CN116792759B - Control method, device and system of hazardous waste pretreatment system - Google Patents
Control method, device and system of hazardous waste pretreatment system Download PDFInfo
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- CN116792759B CN116792759B CN202310832168.8A CN202310832168A CN116792759B CN 116792759 B CN116792759 B CN 116792759B CN 202310832168 A CN202310832168 A CN 202310832168A CN 116792759 B CN116792759 B CN 116792759B
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- 239000002920 hazardous waste Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 228
- 238000012937 correction Methods 0.000 claims abstract description 205
- 238000012840 feeding operation Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims description 78
- 238000002156 mixing Methods 0.000 claims description 77
- 239000010808 liquid waste Substances 0.000 claims description 73
- 230000036760 body temperature Effects 0.000 claims description 30
- 239000002910 solid waste Substances 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 23
- 238000012544 monitoring process Methods 0.000 claims description 18
- 239000002912 waste gas Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 25
- 239000010812 mixed waste Substances 0.000 description 23
- 230000000875 corresponding effect Effects 0.000 description 22
- 239000007788 liquid Substances 0.000 description 18
- 238000004537 pulping Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 11
- 239000011593 sulfur Substances 0.000 description 11
- 229910052717 sulfur Inorganic materials 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 238000007599 discharging Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000013329 compounding Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
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- 230000001050 lubricating effect Effects 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/02—Casings; Linings; Walls characterised by the shape of the bricks or blocks used
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a control method, a device and a system for a hazardous waste pretreatment system; the control method comprises the following steps: acquiring operation parameters of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list; judging the waste pretreatment state under the current preset waste compatibility list according to the operation parameters, and generating correction compatibility information matched with the operation parameters; receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list; and generating a feeding control signal according to the modified waste compatibility list. The scheme provided by the invention can provide the working efficiency of each device in the system and reduce the operation cost of the system.
Description
Technical Field
The invention relates to the technical field of hazardous waste treatment, in particular to a control method, a control device and a control system of a hazardous waste pretreatment system.
Background
The pretreatment link of the dangerous waste is crucial in the whole dangerous waste incineration treatment line, and directly influences the disposal capacity of the incineration device. Once the incinerator is ignited, the continuous and stable dangerous waste feeding quantity is ensured, otherwise, the treatment capacity of the kiln body is directly affected, so that economic benefit is reduced, fuel expenditure cost is increased, kiln condition is unstable, the service life of the kiln body is shortened, and waste gas emission is not easy to reach the standard. The operation flexibility and the treatment capacity of the waste pretreatment system have very important practical significance for the whole dangerous waste incineration line.
The method is characterized in that two main reasons for system shutdown are found in the actual operation process of the dangerous waste pretreatment system, namely, high pressure is generated due to unsmooth conveying of waste in the system, and then the system is blocked and stopped. Secondly, the kiln body has poor combustion effect, and the waste gas emission does not reach the standard and is forced to stop. In addition, the hard alloy waste contained in the waste is easy to damage key equipment action parts of the system, so that the service life of the equipment is reduced, and the maintenance cost of the system is high.
The problems of the dangerous waste pretreatment system are generated due to improper compatibility of waste materials, and the problem that how to establish a good compatibility relationship to ensure stable and long-acting operation of the system is faced by each dangerous waste operator is solved; meanwhile, the difference between the theoretical compatibility effect and the actual compatibility effect has serious influence on the dangerous waste pretreatment system in the operation process of the actual production process, and is also a main reason for high-frequency yield reduction or shutdown of the system.
Disclosure of Invention
The invention aims to solve the technical problem of providing a control method, a control device and a control system of a hazardous waste pretreatment system, so as to realize the accurate control of all equipment in the system and improve the working efficiency of the system.
In order to solve the technical problems described above, an embodiment of the present invention provides a control method of a hazardous waste pretreatment system, the hazardous waste pretreatment system including a feeding device, a crushing device, a mixing device, a pumping device and an incineration device, the feeding device delivering waste to the crushing device, the waste after being crushed entering the mixing device, being pumped by the pumping device to the incineration device after being mixed for combustion, and discharging waste gas after combustion, the control method comprising:
Acquiring operation parameters of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list;
judging the waste pretreatment state under the current preset waste compatibility list according to the operation parameters, and generating correction compatibility information matched with the operation parameters;
receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list;
and generating a feeding control signal according to the modified waste compatibility list.
Optionally, when the operation parameter represents a torque of a stirring shaft of the mixing device and the torque is reacted by an operation pressure of a driver driving the stirring shaft to rotate, generating the correction compatibility information adapted to the operation parameter includes:
when the running pressure is greater than or equal to a first pressure threshold, adding liquid waste into the compatibility information, and generating first modified compatibility information;
when the running pressure is smaller than or equal to a second pressure threshold, adding dry solid waste in the compatibility information, and generating second modified compatibility information;
when the running pressure is larger than the second pressure threshold and smaller than the first pressure threshold, determining a correction coefficient of the running pressure, and generating correction compatibility information according to the correction coefficient;
Wherein: the first pressure threshold is greater than the second pressure threshold.
Optionally, when the operating pressure is greater than the second pressure threshold and less than the first pressure threshold, determining a correction coefficient of the operating pressure, and generating correction compatibility information according to the correction coefficient, including:
when the operating pressure is greater than a third pressure threshold and less than a fourth pressure threshold, determining a correction coefficient of the operating pressure as a first correction coefficient, wherein the first correction coefficient is 1;
when the running pressure is larger than the third pressure threshold and smaller than the first pressure threshold, determining that the correction coefficient of the running pressure is a second correction coefficient, wherein the second correction coefficient is the ratio of the running pressure to the third pressure threshold, if the second correction coefficient is increased with time, adding liquid waste into compatibility information, and generating third correction compatibility information;
when the operating pressure is greater than the second pressure threshold and less than between the fourth pressure threshold, determining a correction factor for the operating pressure as a third correction factor, and the third correction factor is a ratio of the operating pressure to the fourth pressure threshold, if the third correction factor decreases over time,
Adding dry solid waste materials into the compatibility information and generating fourth modified compatibility information;
wherein: the first pressure threshold > the third pressure threshold > the fourth pressure threshold > the second pressure threshold.
Optionally, when the operation parameter is the highest pumping pressure of each pumping process of the pumping device, generating the modified compatibility information adapted to the operation parameter includes:
and when the highest pumping pressure is greater than or equal to a fifth pressure threshold, adding liquid waste into the compatibility information, and generating fifth modified compatibility information.
Optionally, when the highest pumping pressure is greater than or equal to a fifth pressure threshold, further comprising:
and controlling the dangerous waste pretreatment system to stop running, and triggering and checking a preset waste compatibility list alarm.
Optionally, when the highest pumping pressure is smaller than a fifth pressure threshold, monitoring the change trend of the highest pumping pressure along with time in real time, and if the highest pumping pressure is continuously increased within a preset number of times, triggering an increase alarm.
Optionally, when the operation parameter is a kiln body temperature in the incineration equipment, generating the correction compatibility information adapted to the operation parameter includes:
When the kiln body temperature is greater than or equal to a first temperature threshold, adding low-heating-value liquid waste into the compatibility information, and generating sixth modified compatibility information;
when the kiln body temperature is smaller than or equal to a second temperature threshold value, adding high-heat-value liquid waste into the compatibility information, and generating seventh modified compatibility information;
when the kiln body temperature is between the first temperature threshold value and the second temperature threshold value, monitoring a temperature correction coefficient of the ratio of the kiln body temperature to the preset temperature of the incineration equipment in real time, if the temperature correction coefficient is increased with time, adding low-heating-value liquid waste into the compatibility information, and generating eighth correction compatibility information; if the temperature correction coefficient is reduced along with time, adding high-heat-value liquid waste into the compatibility information, and generating ninth correction compatibility information;
wherein: the first temperature threshold is greater than the second temperature threshold.
Optionally, when the operation parameter is the component content in the exhaust gas, generating the modified compatibility information adapted to the operation parameter includes:
monitoring the change of the content of the preset component in the waste gas along with time in real time, if the content of the preset component is increased along with time, reducing the feeding quantity of the feeding equipment and increasing the liquid waste with high heat value in the compatibility information, and generating tenth modified compatibility information.
The embodiment of the invention also provides a control device of the hazardous waste pretreatment system, which comprises:
the acquisition module is used for acquiring operation parameters of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list;
the processing module is used for judging the waste pretreatment state under the current preset waste compatibility list according to the operation parameters, generating correction compatibility information matched with the operation parameters, receiving weight proportions corresponding to all waste components in the correction compatibility information, and generating a correction waste compatibility list; and generating a feeding control signal according to the modified waste compatibility list.
The embodiment of the invention also provides a dangerous waste pretreatment system, which comprises: the device comprises a feeding device, a crushing device, a mixing device, a pumping device and an incineration device; further comprises:
a controller comprising a control device of the hazardous waste pretreatment system as described above.
The scheme of the invention at least comprises the following beneficial effects:
1. by intelligent compatibility in the hazardous waste pretreatment system, good material compatibility effect can be realized, and blockage of a feed inlet, an equipment bin body and a high-pressure pipeline can be prevented; the good compatibility effect can enable solids contained in the waste to be suspended and entrained in the viscous mixed material, so that conveying piezoresistance can be reduced, a lubricating layer is generated on the inner surface of a conveying pipeline, and the efficiency of treating hazardous waste by the hazardous waste pretreatment system is improved;
2. After good material compatibility is established, hard alloy materials which are difficult to avoid in waste materials are wrapped in the mixed materials, so that the damage to the mechanical structure of equipment can be reduced, the utilization rate of the equipment is improved, and the disposal capacity of the whole incineration treatment line is directly influenced;
3. through the good compatibility effect of intelligent compatibility establishment, can make the calorific value of waste material keep in stable within range, make the waste material go into after the kiln, can not produce great influence to the temperature in the kiln, stable temperature can make resistant firebrick more durable, and the side has prolonged kiln body life-span. Meanwhile, the kiln temperature is stable, so that waste materials can be fully combusted after entering the kiln, the dangerous waste system can be operated, the consumption of other fuels can be reduced, and the system operation cost is greatly reduced.
4. The good compatibility scheme is established through intelligent compatibility, so that the exhaust emission after combustion can be stabilized within a certain range, the desulfurization and denitration efficiency of the exhaust can be improved, the sulfur content and the nitrogen content of waste materials collected from various factories are different, the proportion of each ingredient is reasonably adjusted, the sulfur content and the nitrogen content of the waste materials are within a certain range, and the treatment of the exhaust is facilitated and the environmental protection requirement of the exhaust emission is met.
Drawings
FIG. 1 is a flow chart of a control method of a hazardous waste pretreatment system provided by an embodiment of the invention;
FIG. 2 is a graph of the trend of operating pressure correction coefficients of a drive for driving a stirring shaft in rotation according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a control device module of the hazardous waste pretreatment system according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a control method of a hazardous waste pretreatment system, including:
step 11, acquiring operation parameters of the equipment in the hazardous waste pretreatment system for remembering feeding operation under a preset waste compatibility list;
step 12, judging the waste pretreatment state under the current preset waste compatibility list according to the operation parameters, and generating correction compatibility information matched with the operation parameters;
Step 13, receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list;
and 14, generating a feeding control signal according to the modified waste compatibility list.
In this embodiment, the preset waste material compatibility list may be obtained by manually performing a pre-compatibility according to the condition of the waste materials in the warehouse and the related heat value information thereof, and recording the usage amount of the corresponding waste materials by the compatibility team, and the subsequent feeding personnel or system completes the feeding preparation according to the preset waste material compatibility list. The preset waste material compatibility list comprises, but is not limited to, basic information (such as types, numbers corresponding to the types, states, heat values, component contents and the like) of the waste materials and weight information of different waste materials in the batch compatibility; for example, the waste material in 4 is selected for pre-batching, and the generated pre-set waste material compatibility list is shown in the following table 1:
TABLE 1 preset list of scrap compatibility
The operation parameters are generated when all the devices in the dangerous waste pretreatment system operate according to the waste in the preset waste compatibility list, and can be used for judging the pretreatment state of the waste in all the devices in the current dangerous waste pretreatment system; the operating parameters include, but are not limited to: the current temperature of each device in the hazardous waste pretreatment system and the current index parameters (such as the operating pressure, current, power and the like) of each device in the hazardous waste pretreatment system;
Preferably, the operation parameters can be obtained by real-time monitoring according to preset sensors, such as temperature sensors, pressure sensors and the like;
the method comprises the steps of monitoring and collecting generated operation parameters in real time through a preset sensor in the operation process of the dangerous waste pretreatment system, judging the pretreatment state of current waste according to the operation parameters, and generating correction compatibility information matched with the operation parameters; the revision compatibility information includes, but is not limited to: information of the added waste (attribute information of the waste, quality of the waste, etc.), feeding control information of the corresponding equipment, related warning when the feeding control signal is triggered, trend information of feeding and running of the corresponding equipment;
the dangerous waste pretreatment system feeds according to the preset compatibility list, sequentially completes batch feeding according to the preset compatibility list, and timely records and collects correction compatibility information automatically completed in each link;
according to the trend information of feeding and running of the corresponding equipment in the corrected compatibility information, the quality of waste materials added into the corresponding equipment can be timely controlled; further, a modified waste material compatibility list is generated according to the modified compatibility information, further, a feeding control signal of related equipment is generated according to the modified waste material compatibility list, feeding operation of the related equipment in the hazardous waste pretreatment system is controlled according to the feeding control signal, and subsequent feeding of the equipment in the hazardous waste pretreatment system is timely modified, so that good waste material compatibility effect can be achieved, and faults such as blockage and the like caused by operation of the equipment in the hazardous waste pretreatment system are avoided; the feeding control signal can realize the accurate control of the feeding of the equipment in the dangerous waste pretreatment system, so that the working efficiency of the dangerous waste pretreatment system is improved, and the operation power consumption of the equipment in the system and the operation cost of the system are reduced;
Meanwhile, when the new batch of waste is treated, the waste compatibility guidance can be carried out according to the correction compatibility list and the preset waste compatibility list so as to improve the operation efficiency and safety of equipment in the dangerous waste pretreatment system;
in the above embodiment, the apparatus in the hazardous waste pretreatment system may include: the device comprises a feeding device, a crushing device, a mixing device, a pumping device and an incineration device;
the feeding equipment is used for feeding waste to be treated which is well matched according to the preset waste compatibility list;
the feeding port of the crushing equipment is communicated with the discharging port of the feeding equipment, the crushing equipment can be a crusher, and waste materials thrown in the feeding equipment are crushed in a crushing bin of the crusher through rotation of a cutter shaft, and crushed waste materials are obtained;
the feeding port of the mixing device is communicated with the discharging port of the crushing device, the mixing device can be a mixer, and crushed waste is mixed in a mixing bin of the mixer through rotation of a stirring shaft, and mixed waste is obtained; two waste material adding ports are also arranged at the feed inlet of the mixing equipment, one waste material adding port is connected with a waste liquid conveying pipeline, and the other waste material adding port is connected with a sludge conveying pipeline;
The feeding port of the pumping equipment is communicated with the discharging port of the mixing equipment and is used for pumping the mixed waste;
the feed inlet of the incineration equipment can be communicated with the discharge outlet of the pumping equipment through a conveying pipeline and is used for incinerating the mixed waste pumped by the pumping equipment; the incineration equipment can be a kiln body provided with a spray gun, wherein the feed inlet of the upper part of the kiln body is also provided with two automatic waste liquid adding ports, one waste liquid adding port is connected with a low heat value waste liquid pipeline, and the other waste liquid adding port is connected with a high heat value waste liquid pipeline.
In an alternative embodiment of the present invention, the feed control signals may include, but are not limited to: and the feeding equipment feeds the control signal and the mixing equipment corrects the feeding signal.
In this embodiment, according to the characteristics of the waste in the modified waste compatibility list, a feeding control signal of a corresponding device may be generated, and a corresponding waste may be added to the hazardous waste pretreatment system, so as to adjust the treatment effect of the waste in the hazardous waste pretreatment system in time, and further improve the operation efficiency and safety of the hazardous waste pretreatment system.
In an alternative embodiment of the present invention, when the operation parameter represents a torque of the stirring shaft of the mixing device and the torque is reacted by an operation pressure of a driver driving the stirring shaft to rotate, the step 12 may include:
Step 121a, adding liquid waste into the compatibility information and generating first modified compatibility information when the operating pressure is greater than or equal to a first pressure threshold;
step 122a, adding dry solid waste to the compatibility information and generating second modified compatibility information when the operating pressure is less than or equal to a second pressure threshold;
wherein: the first pressure threshold is greater than the second pressure threshold.
In this embodiment, when the operation parameter is the monitored torque of the stirring shaft of the mixing device, the torque of the stirring shaft can be represented by the operation pressure of the driver when the driver drives the stirring rotation; the operation pressure corresponds to the driving pressure of the hydraulic oil when the driver is hydraulically driven, and is certainly not limited to the hydraulic driving, but can be represented by the operation current of the driving motor driven by electric power; when mixing operation is carried out, the operation pressure of a driver for driving the stirring shaft to rotate is monitored in real time, meanwhile, the operation pressure can be used as a dependent variable, the operation time of the mixing equipment is used as an independent variable, and a first graph of the operation pressure and the operation time of the mixing equipment is drawn;
When the operating pressure is greater than or equal to a first pressure threshold and the first curve is in an ascending trend within a period of time, the operating pressure is gradually increased along with time, which indicates that the waste materials mixed in the mixing bin of the mixing device are thicker at the moment, the actual compatibility effect is poor, the actual form of the mixed waste materials is inconsistent with the expected form after different waste materials are mixed, for example, the packaging waste liquid is stored for a long time and the waste materials are solidified into crystalline salt, so that the content of solid waste materials in the batch mixed waste materials is higher, at the moment, liquid waste materials need to be added in the compatibility information, and meanwhile, first modified compatibility information for adding the liquid waste materials is generated; the first correction compatibility information may include types of liquid waste to be added, and a first correction compatibility list is further generated according to weight proportions of waste components, where the first correction compatibility list may include types and weights of liquid waste to be added;
further, the system generates a first feeding control signal for adding the liquid waste according to the first correction compatibility list, instantly adjusts the pulping state of the mixed waste in the mixing equipment, and controls a waste liquid conveying pipeline of the mixing equipment to input the liquid waste into the liquid waste so as to relieve the torque of the stirring shaft during stirring;
When the running pressure is smaller than or equal to the second pressure threshold value and the first curve is in a descending trend or tends to be gentle, the running pressure is gradually reduced along with time, which means that the waste materials mixed in the mixing bin of the mixing equipment are thinner at the moment, the actual compatibility effect is poor, a large amount of liquid is likely to be generated due to chemical reaction between different waste materials, the mixed waste materials are easy to generate solid-liquid layering phenomenon, solid waste materials are needed to be added in the compatibility information at the moment, and meanwhile, second correction compatibility information for adding the solid waste materials is generated; the second correction compatibility information may include types of solid waste to be added, and a second correction compatibility list is further generated according to weight proportions of waste components, where the second correction compatibility list may include types and weights of solid waste to be added;
further, the system generates a second feeding control signal for adding the solid waste according to the second correction compatibility list, instantly adjusts the pulping state of the mixed waste in the mixing equipment, and controls a sludge conveying pipeline of the mixing equipment to input the solid waste so as to adjust the pulping effect of the mixed waste;
By monitoring the operation pressure of a driver for driving the stirring shaft of the mixing equipment to rotate under a preset waste compatibility list, the correction compatibility information of corresponding liquid waste or solid waste is timely generated, and the mixing equipment or the feeding equipment is controlled to add the liquid waste or the solid waste so as to adjust the pulping effect after the waste is mixed, so that the problems of low operation efficiency and the like caused by damage to the equipment due to overlarge pressure or overlarge pressure can be avoided.
In an optional embodiment of the present invention, the step 12 may further include:
step 123a, when the operating pressure is greater than the second pressure threshold and less than the first pressure threshold, determining a correction coefficient of the operating pressure, and generating correction compatibility information according to the correction coefficient;
further, step 123a may include:
step 123a-1, when the operating pressure is less than the third pressure threshold and greater than between the fourth pressure threshold, determining that the correction coefficient of the operating pressure is a first correction coefficient, and the first correction coefficient is 1;
step 123a-2, when the operating pressure is greater than the third pressure threshold and less than the first pressure threshold, determining that the correction coefficient of the operating pressure is a second correction coefficient, and the second correction coefficient is a ratio of the operating pressure to the third pressure threshold, if the second correction coefficient increases with time, adding liquid waste in the compatibility information, and generating third correction compatibility information;
Step 123a-3, when the operating pressure is greater than the second pressure threshold and less than the fourth pressure threshold, determining that the correction coefficient of the operating pressure is a third correction coefficient, and the third correction coefficient is a ratio of the operating pressure to the fourth pressure threshold, if the third correction coefficient decreases with time, adding dry solid waste in compatibility information, and generating fourth correction compatibility information; wherein: the first pressure threshold > the third pressure threshold > the fourth pressure threshold > the second pressure threshold.
In the embodiment, through a preset pressure sensor, the operation pressure of a corresponding driver when a stirring shaft of the mixing equipment is driven to feed and mix materials is monitored and collected in real time, the operation pressure reflects the actual pulping condition after mixing materials, and the pulping condition directly influences the discharging operation of the mixing equipment and the operation of subsequent equipment;
by applying said operating pressure MiX P Monitoring in real time, determining a correction coefficient of the running pressure, and generating correction compatibility information according to the correction coefficient; further determining a modified waste material compatibility list according to the modified compatibility information and the weight proportion corresponding to the waste material components; further, according to the modified waste material compatibility list, a feeding control signal is generated, and the quality of waste materials added into the mixing equipment is controlled, so that the actual mixing pulping effect of the waste material compatibility is monitored, the mixing material compatibility pulping effect of the mixing equipment is optimized, the mixing material compatibility efficiency is improved, and the normal operation of the back-end equipment is facilitated;
When the operating pressure is between the fourth pressure threshold and a third pressure threshold, the operating pressure MiX is described P Within the range of a preset pressure value, the actual compatibility effect of the stirring shaft of the mixing equipment after stirring and mixing at the moment is shown to not generate serious high-pressure blocking influence on the subsequent pumping and conveying links, and the material can be continuously fed to the subsequent discharging and pumping processing links; at this time, when the correction coefficient of the operating pressure is a first correction coefficient and the first correction coefficient is 1,
when the operating pressure is atBetween the third pressure threshold and the first pressure threshold, the operating pressure MiX is specified P When the operating pressure is far greater than the preset pressure value range, the correction coefficient of the operating pressure is a second correction coefficient, the second correction coefficient is the ratio of the operating pressure to the third pressure threshold value, if the second correction coefficient is increased along with time, the operating pressure of a driver for driving the stirring shaft of the mixing equipment to rotate is continuously increased, at the moment, liquid waste is required to be added, and meanwhile, third correction compatibility information for adding the liquid waste is generated, wherein the third correction compatibility information can comprise the type of the liquid waste required to be added, and a third correction compatibility list can be generated according to the weight proportion of the waste components, and the third correction compatibility list can comprise the type and the weight of the liquid waste required to be added; generating a third feeding control signal according to the third correction compatibility list, and controlling the mass of the liquid waste added into the mixing equipment so as to relieve the pressure of a stirring shaft, optimize the slurry mixing effect and avoid damaging the mixing equipment and subsequent pumping equipment;
When the operating pressure is between the second pressure threshold and a fourth pressure threshold, the operating pressure MiX is described P When the operating pressure is far smaller than the preset pressure value range, the correction coefficient of the operating pressure is a third correction coefficient, the third correction coefficient is the ratio of the operating pressure to the first pressure threshold, if the third correction coefficient is reduced with time, the operating pressure of a driver for driving a stirring shaft of the mixing equipment to rotate is continuously reduced, solid waste is required to be added at the moment, meanwhile, fourth correction compatibility information for adding the liquid waste is generated, the fourth correction compatibility information can comprise the type of the solid waste required to be added, and a fourth correction compatibility list can be generated according to the weight proportion of waste components, and the fourth correction compatibility list can comprise the type and the weight of the solid waste required to be added; generating a fourth feeding control signal according to the fourth correction compatibility list, and controlling the quality of the solid waste added into the mixing equipment so as to optimize the mixing and pulping effect and improve the mixing efficiency of the mixing equipment;
in a specific implementation example, when the third pressure threshold MiX Pg1 Set to 40, the fourth pressure threshold MiX Pg2 Set to 60, set the second pressure threshold MiX Pmin 35, the first pressure threshold MiX Pmax When the value is 120, that is, the effective value of the correction coefficient is between 0.875 and 2, the generated correction coefficient trend curve is shown in fig. 2, and the correction coefficient can be further corrected and optimized according to feedback data of a subsequent processing link;
through carrying out real-time supervision to driving mixing equipment's (mixing) shaft pivoted driver's operating pressure and correction factor to in time adjust the compatibility condition of compounding, optimize the compounding of compounding equipment is mixed into thick liquid effect, improves mixing equipment compounding work efficiency, and then improves the slurrying effect of mixing waste material, improves system efficiency.
In an alternative embodiment of the present invention, when the operation parameter is the highest pumping pressure of each pumping process of the pumping apparatus, the step 12 may include:
step 121b, when the highest pumping pressure is greater than or equal to the fifth pressure threshold, adding liquid waste to the compatibility information, and generating fifth modified compatibility information.
In this embodiment, when the operation parameter is the highest pumping pressure of the pumping device for pumping the waste material once monitored in real time, and when the highest pumping pressure is greater than or equal to a fifth pressure threshold, it is indicated that the pulping effect of the mixed waste material pumped by the pumping device does not conform to the expected effect, the mixed waste material is thicker, the pumping condition is not satisfied, at the same time, the addition of the waste material is required, and meanwhile, fifth correction compatibility information for adding the liquid waste material is generated, where the fifth correction compatibility information may include the type of the liquid waste material to be added, and further, according to the weight ratio of the waste material components, a fifth correction compatibility list may be generated, where the fifth correction compatibility list may include the type and the weight of the liquid waste material to be added; and generating a fifth feeding control signal according to the fifth correction compatibility list, and controlling the quality of waste materials added into the hazardous waste pretreatment system so as to optimize the mixing and pulping effect and improve the mixing efficiency of the mixing equipment.
In an optional embodiment of the present invention, when the highest pumping pressure is smaller than a fifth pressure threshold, a trend of the highest pumping pressure over time is monitored in real time, if the highest pumping pressure continuously rises within a preset number of times, a rising alarm is triggered, and an operation state of related equipment in a system is early-warned in time, and a compatibility list is adjusted in time, so that damage to the related equipment is avoided;
the method has the advantages that the maximum pumping pressure of single pumping of the pumping equipment under the preset waste compatibility list is monitored, the pulping effect of the mixing equipment after mixing operation is further reflected, a correction compatibility list for adding corresponding liquid waste or solid waste is timely generated, a corresponding feeding control signal is then generated, the mixing equipment is controlled to add the liquid waste or the solid waste, the pulping effect of the mixed waste is adjusted, and meanwhile the problems that equipment is damaged due to overlarge pressure or operation efficiency is low due to overlarge pressure can be avoided.
In an alternative embodiment of the present invention, when the highest pumping pressure is greater than or equal to a fifth pressure threshold, the method may further include: and controlling the dangerous waste pretreatment system to stop running, and triggering and checking a preset waste compatibility list alarm.
In this embodiment, when the highest pumping pressure is greater than or equal to the fifth pressure threshold, the operation of the hazardous waste pretreatment system is stopped to avoid damaging related equipment and unnecessary maintenance costs, and the preset waste compatibility list is immediately checked and adjusted again according to the fifth modified compatibility list.
In an alternative embodiment of the present invention, when the operation parameter is a kiln body temperature in the incineration equipment in the hazardous waste pretreatment system, the step 12 may include:
step 121c, adding low-heating-value liquid waste into the compatibility information and generating a sixth modified compatibility list when the kiln body temperature is greater than or equal to a first temperature threshold;
step 122c, adding high-heating-value liquid waste into the compatibility information when the kiln body temperature is less than or equal to a second temperature threshold value, and generating a seventh correction compatibility list;
step 123c, when the kiln body temperature is between the first temperature threshold and the second temperature threshold, monitoring a temperature correction coefficient of a ratio of the kiln body temperature of the incineration equipment to a preset temperature in real time, if the temperature correction coefficient increases with time, adding low-heating-value liquid waste into the compatibility information, and generating eighth correction compatibility information; if the temperature correction coefficient is reduced along with time, adding high-heat-value liquid waste into the compatibility information, and generating ninth correction compatibility information;
Wherein: the first temperature threshold is greater than the second temperature threshold.
In this embodiment, a preset temperature for safe operation of the kiln body of the incineration device exists between the first temperature threshold and the second temperature threshold, where the preset temperature may be set according to actual situations, such as a material of the incineration device, a size of the incineration device, and the like; the preset temperature comprises a first preset temperature and a second preset temperature, and the first preset temperature and the second preset temperature are between a first temperature threshold value and a second temperature threshold value;
when the kiln body temperature is greater than or equal to a first temperature threshold value, the kiln body temperature is continuously increased, liquid waste with low heat value is required to be added at the moment, and sixth correction compatibility information of the liquid waste with low heat value is generated, wherein the sixth correction compatibility information can comprise the types of the liquid waste with low heat value required to be added, a sixth correction compatibility list is generated according to the weight proportion of waste components, and the sixth correction compatibility list can comprise the types and the weights of the liquid waste with low heat value required to be added; generating a sixth feeding control signal according to the sixth correction compatibility list, and controlling the quality of the liquid waste with low calorific value fed through the low calorific value waste liquid pipeline of the kiln body;
When the kiln body temperature is smaller than or equal to the second temperature threshold value, the kiln body temperature is continuously reduced, liquid waste with high heat value is required to be added at the moment, seventh correction compatibility information of the liquid waste with high heat value is generated, the seventh correction compatibility information can comprise the types of the liquid waste with high heat value required to be added, a seventh correction compatibility list is generated according to the weight proportion of waste components, and the seventh correction compatibility list can comprise the types and the weights of the liquid waste with high heat value required to be added; generating seven feeding control signals according to the seventh correction compatibility list, and controlling the quality of liquid waste with high calorific value fed through a high calorific value waste liquid pipeline of the incineration equipment;
when the kiln body temperature is between the first temperature threshold value and the second temperature threshold value, monitoring a temperature correction coefficient of the ratio of the kiln body temperature to the preset temperature of the incineration equipment in real time, if the temperature correction coefficient is increased with time, adding low-heating-value liquid waste into the compatibility information, and generating eighth correction compatibility information, wherein the eighth correction compatibility information can comprise the types of the low-heating-value liquid waste to be added, and further generates an eighth correction compatibility list according to the weight proportion of waste components, wherein the eighth correction compatibility list can comprise the types and the weights of the low-heating-value liquid waste to be added; generating eight feeding control signals according to the seventh correction compatibility list, and controlling the quality of liquid waste with low heat value fed through a high heat value waste liquid pipeline of the incineration equipment;
If the temperature correction coefficient is reduced along with time, adding liquid waste with high heat value into the compatibility information, and generating ninth correction compatibility information; the ninth modified compatibility information may include a type of the liquid waste material with a high heat value to be added, and further generate a ninth modified compatibility list according to a weight ratio of the waste material components, where the ninth modified compatibility list may include a type and a weight of the liquid waste material with a high heat value to be added; generating nine feeding control signals according to the seventh correction compatibility list, and controlling the quality of liquid waste with high calorific value fed through a high calorific value waste liquid pipeline of the incineration equipment;
the kiln body and the temperature correction coefficient after the waste is added into the incineration equipment are monitored in real time, and the amount of the liquid waste with corresponding high heat value or low heat value is added in time, so that the heat value of the waste in the incineration equipment can be kept in a stable range, the waste can not have larger influence on the temperature in the kiln body after entering the incineration equipment, the stable temperature can enable the refractory brick to be more durable, and the service life of the kiln body is prolonged laterally; meanwhile, the kiln temperature is stable, so that waste materials can be fully combusted after entering the kiln, the combustion efficiency of the incineration equipment is improved, and the system operation cost is further reduced.
In an alternative embodiment of the present invention, when the operation parameter is the component content in the exhaust gas, the step 12 may include:
and step 121d, monitoring the change of the content of the preset component in the waste gas with time in real time, if the content of the preset component increases with time, reducing the quality of the waste material containing the preset component in the compatibility information, and generating tenth modified compatibility information.
In this embodiment, the predetermined component content in the exhaust gas may include: nitrogen content (NO) 2 ) Or sulfur content (SO) 2 ) The method comprises the steps of carrying out a first treatment on the surface of the The nitrogen content or the sulfur content further reacts on the type and the quality of the initial mixed waste, when the content of the preset components in the waste gas is larger than a preset content threshold value, the content value of the waste gas components can be used as a dependent variable, the running time of the pumping equipment is used as the independent variable, and a trend curve of the content value of the waste gas components and the running time is drawn; the trend curve may represent a trend of increasing or decreasing the exhaust gas component content of the kiln body;
when the trend curve shows that the exhaust gas component content value is positively correlated with the operation time of the pumping equipment, the pollution sulfur content or nitrogen content in the exhaust gas component of the kiln body is continuously increased, the quality of the waste material containing sulfur or nitrogen in the kiln body needs to be reduced, and tenth correction compatibility information for reducing the waste material containing the preset component is generated, wherein the tenth correction compatibility information can comprise the type of the waste material containing the preset component, which needs to be reduced, and a tenth correction compatibility list can be generated according to the weight proportion of the waste material component, and the tenth correction compatibility list can comprise the type and the weight of the reduced waste material containing the preset component; generating a tenth feeding control signal according to the tenth correction compatibility list;
Of course, a control signal for reducing the pumping speed of the pumping equipment and/or a control signal for reducing the quality of the pumped mixed waste of the pumping equipment can be generated, and the pumping speed of the pumping equipment and/or the quality of the pumped mixed waste can be regulated and controlled so as to ensure that the system can safely and effectively run, and meanwhile, the content of polluting gas in waste gas is reduced, and the subsequent unnecessary waste gas treatment is avoided; according to the control signal for reducing the pumping speed of the pumping equipment and/or the control signal for reducing the quality of the pumped mixed waste material of the pumping equipment, the pumping speed of the pumping equipment and/or the quality of the pumped mixed waste material are regulated and controlled so as to reduce the content of polluted waste gas in the system, ensure that the system can safely and effectively run and reduce the subsequent unnecessary waste gas treatment links;
preferably, when the pumping device operates according to the preset pumping speed after deceleration or the preset pumping quality after weight reduction, the quantity of deceleration or weight reduction can be determined according to the type of the mixed waste and the component content value.
In an alternative embodiment of the present invention, the operation parameters may further include: representing the weight of the waste in the crushing plant and/or the weight of the waste in the mixing plant in the hazardous waste pretreatment system under a preset waste compatibility list, when the operation parameter is the weight of the waste in the crushing plant and/or the weight of the waste in the mixing plant, the step 12 may include:
And step 121e, generating a control signal for opening or closing a gate of the material equipment in the hazardous waste pretreatment system according to the weight of the waste in the crushing equipment and/or the weight of the waste in the mixing bin of the mixing equipment and a preset weight threshold.
In this embodiment, the waste weight may be monitored in real time by a preset weight sensor; in the dangerous waste pretreatment link, such as the crushing process of waste, the rear part of empty materials in a crushing bin of equipment to be crushed can be put into the crushing of the waste to be treated of the next batch; or in the mixing process of the waste materials, the waste materials need to be ensured to maintain a certain material level in a mixing bin of the mixing equipment so as to achieve better mixing effect and fault tolerance; generating a first control signal for opening the sluice of the feed device when the scrap weight is less than the predetermined weight threshold; when more waste materials are in the bin, the continuous feeding of the waste materials is stopped, so that the weight of the waste materials in the bin is required to be monitored in real time, and a second control signal for closing a gate of the feeding equipment is generated, so that the opening or closing of the gate of the feeding equipment is controlled in time, the amount of the waste materials in the bin is regulated in time, the movement of the mixed waste materials to a discharging area is assisted and enhanced, and the working efficiency of the mixing equipment is improved; the preset weight threshold can be set according to actual requirements during discharging.
The dangerous waste pretreatment system of the invention is characterized in that when the system is specifically operated:
the compatibility alarm generated in the mixing link can be set as a first link, the type of the warning number is W1, which indicates that the compatibility staff has wrongly judged the form of the waste materials or has chemical reaction which is not in the expected range between the compatible waste materials, the warning number can be set as W11 in the link correction compatibility list, and the warning number can be set as W12 in the delta MX/delta t < 0. And sending out warning to possible problem wastes according to the warning number. After receiving the information, the compatilizer needs to check the key waste details in the compatibility list in detail, and update the checked waste characteristic data into a database ledger for special marking.
The compatibility alarm occurring in the pumping link may be set to a second link, the type of warning number is W2, Δmx/Δt >0 in the link correction compatibility list may be set to a warning number W21, Δmx/Δt <0 may be set to a warning number W22.
The compatibility alarm occurring in the combustion link may be set to a third link, the type of warning number is W3, Δtx/Δt >0 in the link correction compatibility list may be set to a warning number W31, and Δtx/Δt <0 may be set to a warning number W32.
The compatibility alarm generated in the burning link can be set as a fourth link, and the type of the alarm number is W4. In the link correction recipe, Δsx/Δt >0 and Δtx/Δt >0, the warning number may be set to W41.
Meanwhile, the priority of the alarm level can be set according to different warning categories, for example, the control of kiln temperature needs first time guarantee, and the subsequent condition that the tail gas emission does not reach the standard is avoided, so that priority consideration is needed when a compatibility list is adjusted.
When the content of the corrected compatibility list shows that the second link triggers W21 alarm, 400kg of dry sludge is added, the third link triggers W32 alarm, 100kg of low-calorific-value waste liquid is added, and the fourth link triggers W41 alarm. Based on the above relevant information, the revisions of the scrap compatibility are shown in table 2 below:
TABLE 2 revision of the compatibility of wastes
According to the revision information of the above waste material compatibility, it can be known that:
(1) W41 indicates that the sulfur content is elevated and that the compatibility is revised to reduce the sulfur content of the scrap. The waste material coded as 9010002 is required to be reduced in the subsequent compatibility process, so that the sulfur content is reduced;
(2) The calculation of the mixed waste with average viscosity 38.24 in the original wood list still requires triggering of the W21 warning in the second link 2 and thus an increase of 400kg of dry sludge for correction of MX coefficients, so that the actual solid-to-liquid ratio of the solid-to-liquid waste encoded as "9010002" is highly likely to be in agreement with the actual ones, the actual waste liquid contents may be high and further checks may be required, such as timely correction of database parameters in agreement with the actual ones.
(3) When the matching list is optimized, powder, solid and jelly can be added, and meanwhile, as a warning W32 (with highest warning priority level) is triggered to indicate that the heat value of mixed waste after matching is higher, waste with low heat value needs to be added when matching is revised again, so that waste with low heat value is selected from a waste list to be fed in a waste database to serve as revised waste, and finally, a revised waste matching list with optimized weight coefficients of different waste is determined;
guiding a compatibility principle: (1) The average heat value of the optimized compatibility list approaches to the heat value of actual demand, namely the average heat value of the intelligent compatibility list; (2) The average value of the sulfur content approaches the average sulfur content value of the compatibility list; (3) The optimized batch mixed waste weight Wtotal and the intelligent compatibility scheme batch mixed waste weight Wsuget automatically speed-regulated batch waste weight approach balance, namely Wtotal=Wsuget (1-speed reduction ratio) or Wtotal=Wsuget (1+speed increase ratio); (4) According to the waste characteristic information in the waste database, new waste types are added to the original batching list as little as possible.
According to the principle, the weight coefficient of the new different wastes is calculated by referring to the intelligent compatibility list and the characteristic information of the wastes in the waste database, the deviation value of each index is not more than 5%, and the finally optimized compatibility list is shown in the following table 3 and is used as a follow-up continuous feeding scheme.
TABLE 3 correction of the scrap recipe
The embodiment of the invention also provides a control device 30 of the hazardous waste pretreatment system, which comprises:
the obtaining module 31 is configured to obtain an operation parameter of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list;
the processing module 32 is configured to determine a current waste pretreatment state under a preset waste compatibility list according to the operation parameter, and generate modified compatibility information adapted to the operation parameter; receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list; and generating a feeding control signal according to the modified waste compatibility list.
Optionally, when the operation parameter represents a torque of a stirring shaft of the mixing device and the torque is reacted by an operation pressure of a driver driving the stirring shaft to rotate, the processing module 32 is configured to generate correction compatibility information adapted to the operation parameter, including:
when the running pressure is greater than or equal to a first pressure threshold, adding liquid waste into the compatibility information, and generating first modified compatibility information;
when the running pressure is smaller than or equal to a second pressure threshold, adding dry solid waste in the compatibility information, and generating second modified compatibility information;
When the running pressure is larger than the second pressure threshold and smaller than the first pressure threshold, determining a correction coefficient of the running pressure, and generating correction compatibility information according to the correction coefficient;
wherein: the first pressure threshold is greater than the second pressure threshold.
Optionally, when the operating pressure is greater than the second pressure threshold and less than the first pressure threshold, the processing module 32 is configured to determine a correction coefficient of the operating pressure, and generate correction compatibility information according to the correction coefficient, including:
when the operating pressure is greater than a third pressure threshold and less than a fourth pressure threshold, determining a correction coefficient of the operating pressure as a first correction coefficient, wherein the first correction coefficient is 1;
when the running pressure is larger than the third pressure threshold and smaller than the first pressure threshold, determining that the correction coefficient of the running pressure is a second correction coefficient, wherein the second correction coefficient is the ratio of the running pressure to the third pressure threshold, if the second correction coefficient is increased with time, adding liquid waste into compatibility information, and generating third correction compatibility information;
When the running pressure is larger than the second pressure threshold and smaller than the fourth pressure threshold, determining that the correction coefficient of the running pressure is a third correction coefficient, wherein the third correction coefficient is the ratio of the running pressure to the fourth pressure threshold, if the third correction coefficient is reduced with time, adding dry solid waste in compatibility information, and generating fourth correction compatibility information;
wherein: the first pressure threshold > the third pressure threshold > the fourth pressure threshold > the second pressure threshold.
Optionally, when the operation parameter is the highest pumping pressure of each pumping process of the pumping device, the processing module 32 generates modified compatibility information adapted to the operation parameter, including:
and when the highest pumping pressure is greater than or equal to a fifth pressure threshold, adding liquid waste into the compatibility information, and generating fifth modified compatibility information.
Optionally, when the highest pumping pressure is greater than or equal to a fifth pressure threshold, the processing module 32 is further configured to:
and controlling the dangerous waste pretreatment system to stop running, and triggering and checking a preset waste compatibility list alarm.
Optionally, when the highest pumping pressure is smaller than a fifth pressure threshold, monitoring the change trend of the highest pumping pressure along with time in real time, and if the highest pumping pressure is continuously increased within a preset number of times, triggering an increase alarm.
Optionally, when the operation parameter is a kiln body temperature in the incineration device, the processing module 32 is configured to generate modified compatibility information adapted to the operation parameter, including:
when the kiln body temperature is greater than or equal to a first temperature threshold, adding low-heating-value liquid waste into the compatibility information, and generating sixth modified compatibility information;
when the kiln body temperature is smaller than or equal to a second temperature threshold value, adding high-heat-value liquid waste into the compatibility information, and generating seventh modified compatibility information;
when the kiln body temperature is between the first temperature threshold value and the second temperature threshold value, monitoring a temperature correction coefficient of the ratio of the kiln body temperature to the preset temperature of the incineration equipment in real time, if the temperature correction coefficient is increased with time, adding low-heating-value liquid waste into the compatibility information, and generating eighth correction compatibility information; if the temperature correction coefficient is reduced along with time, adding high-heat-value liquid waste into the compatibility information, and generating ninth correction compatibility information;
wherein: the first temperature threshold is greater than the second temperature threshold.
Optionally, when the operation parameter is the component content in the exhaust gas, the processing module 32 is configured to generate modified compatibility information adapted to the operation parameter, including:
Monitoring the change of the content of the preset component in the waste gas along with time in real time, if the content of the preset component is increased along with time, reducing the feeding quantity of the feeding equipment and increasing the liquid waste with high heat value in the compatibility information, and generating tenth modified compatibility information.
It should be noted that, the device is a device corresponding to the control method of the hazardous waste pretreatment system, and all implementation manners in the method embodiment are applicable to the device embodiment, so that the same technical effects can be achieved.
The embodiment of the invention also provides a dangerous waste pretreatment system, which comprises: feeding equipment, crushing equipment, mixing equipment, pumping equipment and incineration equipment; further comprises: a controller comprising a control device of the hazardous waste pretreatment system as described in the above embodiments.
In this embodiment, the hazardous waste pretreatment system may further include: the driver is electrically connected with the feeding equipment, the crushing equipment, the mixing equipment, the pumping equipment and the incineration equipment and is used for driving the feeding equipment, the crushing equipment, the mixing equipment, the pumping equipment and the incineration equipment to operate; the sensor is electrically connected with the driver and is used for detecting operation parameters generated when the driver drives the feeding equipment, the crushing equipment, the mixing equipment, the pumping equipment and the incineration equipment to operate;
The operation parameters of the driver are monitored in real time through the sensor and are transmitted to the controller for processing, a corresponding correction compatibility list is generated, and meanwhile, a control feeding signal corresponding to the correction compatibility list is automatically output after logic operation, so that the operation of equipment in the dangerous waste pretreatment system is accurately controlled, the energy consumption of the equipment in the dangerous waste pretreatment system is reduced, and the working efficiency of the dangerous waste pretreatment system is improved;
in the above embodiment of the present invention, the controller may store the received operation parameters and the corresponding control signals, perform iterative storage operation based on a deep learning algorithm, increase automatic logic calculation and judgment, and strengthen automatic output of control signals, so as to realize automatic judgment, and reduce costs of manual operation and judgment.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The control method of the hazardous waste pretreatment system comprises a feeding device, a crushing device, a mixing device, a pumping device and an incineration device, wherein the feeding device conveys waste materials to the crushing device, the waste materials enter the mixing device after being crushed, are pumped into the incineration device by the pumping device after being mixed and are combusted, and exhaust gas is discharged after being combusted, and the control method comprises the following steps:
Acquiring operation parameters of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list; the operation parameters are obtained by real-time monitoring according to preset sensors, are generated when all the devices in the dangerous waste pretreatment system operate according to the waste in the preset waste compatibility list, and are used for judging the pretreatment state of the waste in all the devices in the current dangerous waste pretreatment system; the operating parameters include: the current temperature of each device in the hazardous waste pretreatment system and the current index parameters of each device in the hazardous waste pretreatment system, wherein the index parameters comprise: pressure, current, power of the device operation;
according to the operation parameters, judging the waste pretreatment state under the current preset waste compatibility list, and generating correction compatibility information matched with the operation parameters, wherein the correction compatibility information comprises: adding information of waste materials, feeding control information of corresponding equipment, warning when a feeding control signal is generated in a triggering mode, and trend information of feeding and running of the corresponding equipment; when the operation parameter is the kiln body temperature in the incineration equipment in the dangerous waste pretreatment system, the kiln body temperature and the temperature correction coefficient after the waste is added into the incineration equipment are monitored in real time, and the amount of liquid waste with corresponding high heat value or low heat value is timely added;
Receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list;
and generating a feeding control signal according to the modified waste compatibility list, controlling feeding operation of related equipment in the hazardous waste pretreatment system according to the feeding control signal, and timely modifying subsequent feeding of the equipment in the hazardous waste pretreatment system.
2. The method of claim 1, wherein when an operation parameter represents a torque of a stirring shaft of the mixing device and the torque is reacted by an operation pressure of a driver that drives the stirring shaft to rotate, generating correction compatibility information adapted to the operation parameter comprises:
when the running pressure is greater than or equal to a first pressure threshold, adding liquid waste into the compatibility information, and generating first modified compatibility information;
when the running pressure is smaller than or equal to a second pressure threshold, adding dry solid waste in the compatibility information, and generating second modified compatibility information;
when the running pressure is larger than the second pressure threshold and smaller than the first pressure threshold, determining a correction coefficient of the running pressure, and generating correction compatibility information according to the correction coefficient;
Wherein: the first pressure threshold is greater than the second pressure threshold.
3. The method of claim 2, wherein determining a correction factor for the operating pressure when the operating pressure is greater than the second pressure threshold and less than the first pressure threshold, and generating correction compatibility information based on the correction factor, comprises:
when the operating pressure is greater than a third pressure threshold and less than a fourth pressure threshold, determining a correction coefficient of the operating pressure as a first correction coefficient, wherein the first correction coefficient is 1;
when the running pressure is larger than the third pressure threshold and smaller than the first pressure threshold, determining that the correction coefficient of the running pressure is a second correction coefficient, wherein the second correction coefficient is the ratio of the running pressure to the third pressure threshold, if the second correction coefficient is increased with time, adding liquid waste into compatibility information, and generating third correction compatibility information;
when the running pressure is larger than the second pressure threshold and smaller than the fourth pressure threshold, determining that the correction coefficient of the running pressure is a third correction coefficient, wherein the third correction coefficient is the ratio of the running pressure to the fourth pressure threshold, if the third correction coefficient is reduced with time, adding dry solid waste in compatibility information, and generating fourth correction compatibility information;
Wherein: the first pressure threshold > the third pressure threshold > the fourth pressure threshold > the second pressure threshold.
4. The method of claim 1, wherein when the operation parameter is a highest pumping pressure of each pumping process of the pumping device, generating the corrected compatibility information adapted to the operation parameter comprises:
and when the highest pumping pressure is greater than or equal to a fifth pressure threshold, adding liquid waste into the compatibility information, and generating fifth modified compatibility information.
5. The method of claim 4, further comprising, when the highest pumping pressure is greater than or equal to a fifth pressure threshold:
and controlling the dangerous waste pretreatment system to stop running, and triggering and checking a preset waste compatibility list alarm.
6. The method for controlling a hazardous waste pretreatment system according to claim 5, wherein,
and when the highest pumping pressure is smaller than a fifth pressure threshold, monitoring the change trend of the highest pumping pressure along with time in real time, and triggering an elevation alarm if the highest pumping pressure is continuously increased within a preset number of times.
7. The control method of a hazardous waste pretreatment system according to claim 1, wherein when the operation parameter is a kiln body temperature in the incineration equipment, generating correction compatibility information adapted to the operation parameter comprises:
when the kiln body temperature is greater than or equal to a first temperature threshold, adding low-heating-value liquid waste into the compatibility information, and generating sixth modified compatibility information;
when the kiln body temperature is smaller than or equal to a second temperature threshold value, adding high-heat-value liquid waste into the compatibility information, and generating seventh modified compatibility information;
when the kiln body temperature is between the first temperature threshold value and the second temperature threshold value, monitoring a temperature correction coefficient of the ratio of the kiln body temperature to the preset temperature of the incineration equipment in real time, if the temperature correction coefficient is increased with time, adding low-heating-value liquid waste into the compatibility information, and generating eighth correction compatibility information; if the temperature correction coefficient is reduced along with time, adding high-heat-value liquid waste into the compatibility information, and generating ninth correction compatibility information;
wherein: the first temperature threshold is greater than the second temperature threshold.
8. The method of claim 1, wherein when the operation parameter is a component content in the exhaust gas, generating corrected compatibility information adapted to the operation parameter comprises:
Monitoring the change of the content of the preset component in the waste gas with time in real time, if the content of the preset component is increased with time, reducing the feeding amount of the feeding equipment and increasing the liquid waste with high heat value in the compatibility information, and generating tenth modified compatibility information.
9. The utility model provides a controlling means of useless pretreatment systems of danger, useless pretreatment systems of danger includes charging equipment, crushing equipment, mixing equipment, pumping equipment and burns equipment, and the charging equipment carries the waste material to crushing equipment, and the waste material gets into mixing equipment after the breakage, is pumped by pumping equipment to burn in the burning equipment after mixing, discharges waste gas after the burning, a serial communication port, controlling means includes:
the acquisition module is used for acquiring operation parameters of feeding operation of equipment in the hazardous waste pretreatment system under a preset waste compatibility list; the operation parameters are obtained by real-time monitoring according to preset sensors, are generated when all the devices in the dangerous waste pretreatment system operate according to the waste in the preset waste compatibility list, and are used for judging the pretreatment state of the waste in all the devices in the current dangerous waste pretreatment system; the operating parameters include: the current temperature of each device in the hazardous waste pretreatment system and the current index parameters of each device in the hazardous waste pretreatment system, wherein the index parameters comprise: pressure, current, power of the device operation;
The processing module is used for judging the waste pretreatment state under the current preset waste compatibility list according to the operation parameters and generating correction compatibility information matched with the operation parameters, and the correction compatibility information comprises: adding information of waste materials, feeding control information of corresponding equipment, warning when a feeding control signal is generated in a triggering mode, and trend information of feeding and running of the corresponding equipment; when the operation parameter is the kiln body temperature in the incineration equipment in the dangerous waste pretreatment system, the kiln body temperature and the temperature correction coefficient after the waste is added into the incineration equipment are monitored in real time, and the amount of liquid waste with corresponding high heat value or low heat value is timely added; receiving weight proportions corresponding to each waste component in the correction compatibility information, and generating a correction waste compatibility list; and generating a feeding control signal according to the modified waste compatibility list, controlling feeding operation of related equipment in the hazardous waste pretreatment system according to the feeding control signal, and timely modifying subsequent feeding of the equipment in the hazardous waste pretreatment system.
10. A hazardous waste pretreatment system comprising: feeding equipment, crushing equipment, mixing equipment, pumping equipment and incineration equipment; characterized by further comprising:
A controller comprising a control device of the hazardous waste pretreatment system of claim 9.
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| CN112923369B (en) * | 2021-02-04 | 2024-03-12 | 上海电气集团股份有限公司 | Method and device for cooperatively disposing dangerous waste by cement kiln |
| CN117877779B (en) * | 2024-02-02 | 2024-07-16 | 北京群源电力科技有限公司 | Intelligent treatment system and method for radioactive waste |
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