CN106066042A - Danger wastes cleaning treatment system - Google Patents
Danger wastes cleaning treatment system Download PDFInfo
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- CN106066042A CN106066042A CN201610622503.1A CN201610622503A CN106066042A CN 106066042 A CN106066042 A CN 106066042A CN 201610622503 A CN201610622503 A CN 201610622503A CN 106066042 A CN106066042 A CN 106066042A
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- danger wastes
- closed
- danger
- pretreatment
- warehouse
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Classifications
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- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
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- 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
- F23G5/442—Waste feed arrangements
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
A kind of danger wastes cleaning treatment system, including intelligent storage feed proportioning system, pretreatment system, feed system, CIU and exhaust treatment system.The danger wastes cleaning treatment system using the present invention have the advantage that (1) danger wastes in factory in transport process all in closing space, ground and outside air will not be produced any pollution.(2) danger wastes carried out classification pretreatment and feeds by physical property matching, both having can guarantee that stablizing of burning process, the generation of security incident can be prevented again.(3) burning process is accurately controlled, it is ensured that danger incineration of waste is thorough, and uses air-cooled to slag, can save the energy and resource, improves production efficiency.
Description
Technical field
The present invention relates to hazardous waste disposal field.
Background technology
Danger wastes (danger refuse) refer to have corrosivity, toxicity, inflammability, reactive or infectious etc. a kind of or
The garbage of several hazard property of person.Along with industrial expansion, the danger refuse of industrial processes discharge is increasing, how to enter
Row processes environmentally safe significant safely and efficiently.
In existing danger incineration of waste processing system, generally the danger refuse of various forms is mixed and be temporarily stored into melt pit
In, claw bucket sling pick up refuse and enter kiln.Owing to the physical property of difference danger refuse is different, mixes and be susceptible to danger, domestic
There is a lot of interior hole blast, deflagration event.Additionally, " ground pit type " pan feeding mode has pollution to environment, (waste gas is externally arranged naturally
Put).
It addition, treat that the calorific value stability of burning danger refuse not only affects the consumption of incinerator auxiliary fuel, also can affect and burn
Burn the disposal ability of stove.Calorific value is the lowest, needs to start auxiliary fuel system so that trash burning is complete, causes operating cost to increase
Add；Calorific value is the highest, makes incinerator furnace temperature be difficult to control to, and arranges and needs to limit furnace temperature with inert substance (excess air, water etc.), with
Time make disposal ability decline.Therefore the calorific value of hazardous waste needs to control in a suitable scope, it is ensured that CIU warp
Ji is run reliably.Further, in existing rotary kiln adds the CIU of secondary combustion chamber, due in design and processes control
Defect, cause garbage cannot grill thoroughly in rotary kiln, secondary combustion chamber supplements the problems such as fuel consumption is big, make rotary kiln and
The efficiency of combustion of secondary combustion chamber cannot realize optimization.
Additionally, existing danger waste treatment system there is also many deficiencies, such as slag in slag and vent gas treatment
Commonly used water-cooled pattern, not only consumes energy but also pollute ground；Vent gas treatment difficulty is big, discharge is difficult to the problems such as up to standard.
Summary of the invention
The invention aims to overcome certain or some problem in above-mentioned background technology, it is provided that a kind of dangerous waste
Thing cleaning treatment system.
Danger wastes cleaning treatment system according to the present invention includes intelligent storage feed proportioning system, pretreatment system, enters
Material system, CIU and exhaust treatment system.
Wherein intelligent storage feed proportioning system include closed warehouse, closed danger wastes handling passage, closed
Grain thing transfer passage and closed pretreatment workshop；Wherein:
Closed danger wastes handling passage is close to first limit in closed warehouse and arranges；The conveying of closed particulate matter is logical
The second limit setting that road next-door neighbour is vertical with this first limit in closed warehouse；Closed pretreatment workshop is close to closed warehouse
The opposite side on this first limit is arranged；And closed pretreatment workshop directly connects with closed particulate matter transfer passage；
Closed danger wastes handling passage, closed particulate matter transfer passage, closed pretreatment workshop and closing
Formula warehouse is respectively arranged with the wall that one side is adjacent；
Closed warehouse, is provided with feeding mouth and discharging opening, closed danger wastes handling passage and closed warehouse
Being connected by feeding mouth, closed pretreatment workshop is connected by discharging opening with closed warehouse；Closed store interior is arranged
Having multiple rows of shelf, be additionally provided with multiple stage automatic cruising fork truck, each shelf body all includes multiple memory space, and each storage is empty
Between all corresponding with unique three-dimensional coordinate point, be used for storing garbage packing crates, shelf body and each memory space equal
Arranging RFID label tag, automatic cruising fork truck includes control unit, rfid interrogator and range sensor, and control unit controls automatically
The work of cruise fork truck, rfid interrogator is for reading the RFID label tag on shelf, memory space, container, and range sensor is used
Distance between detection fork truck and object；
Feeding mouth is provided with rfid interrogator, for the garbage packing crates being transported into warehouse by garbage conveyer device
On RFID label tag be read out information or write information operation；
Being provided with entrance at closed danger wastes handling passage end, the other end is provided with outlet, arranges in the channels
Having garbage conveyer device, for carrying danger wastes to closed warehouse, this garbage delivery device body major part sets
Putting in closed danger wastes handling passage, remainder is in feeding mouth is arranged on closed warehouse.
Intelligent storage feed proportioning system also includes intelligent storage control system；Wherein:
Described intelligent storage control system includes controller and data base；
Data base is for preserving inventory information table and the map in closed warehouse；
Controller operates for being controlled danger wastes intelligent storage feed proportioning system and being written and read data base,
It is connected by radio communication between controller with rfid interrogator, automatic cruising fork truck.
In one particular embodiment of the present invention, wherein pretreatment system includes coarse powder material danger wastes pretreatment list
Unit, solid-state danger wastes pretreatment unit, paste danger wastes pretreatment unit and liquid hazardous waste pretreatment list
Unit, is respectively used to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes and liquid hazardous waste
Carry out pretreatment, form physical property uniform bulk material, sacked material and liquid object three class after pretreatment and treat incinerated matter.
In another specific embodiment, wherein feed system include bulk material feed system, sacked material feed system and
Liquid object feed system, useless to CIU conveying bulk material, sacked material and liquid danger in the way of continuous, airtight respectively
Thing.
In a preferred embodiment, wherein bulk material feed system includes:
Feeding bin, has closing housing, and housing is provided with material inlet and material outlet, and housing bottom is provided with spiral hinge
Cutter；
First weigher, is used for weighing feeding bin；
Second weigher, is arranged on below feeding bin, is used for weighing discharging；And
Rotary feeder, import is connected with the second weigher, and outlet is connected with CIU.
In another specific embodiment, CIU includes rotary kiln and secondary combustion chamber, the kiln tail of rotary kiln and two
The lower seal of level combustor connects.
Under preferable case, being wherein provided with air cooling slag hoist bottom secondary combustion chamber, secondary wind is laggard with slag heat exchange
Enter secondary combustion chamber burning, air-cooled after slag be fed directly to slag storehouse.
In another specific embodiment, wherein exhaust treatment system includes that waste heat boiler, chilling tower, activated carbon dust dress
Put, sack cleaner, active carbon adsorption column, washing deentrainment tower, flue gas heater, exhaust blower and chimney.
Under preferable case, wherein it is provided with SNCR denitration device on the pipeline between secondary combustion chamber and waste heat boiler.
The danger wastes cleaning treatment system using the present invention has the advantage that
(1) danger wastes in factory in transport process all in closing space, ground and outside air will not be produced
Any pollution.
(2) danger wastes carried out classification pretreatment and feed by physical property matching, both having can guarantee that stablizing of burning process,
The generation of security incident can be prevented again.
(3) burning process is accurately controlled, it is ensured that danger incineration of waste is thorough, and uses air-cooled to slag, can save
The energy and resource, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is intelligent storage feed proportioning system horizontal layout schematic diagram；
Fig. 2 is intelligent storage control system schematic diagram；
Fig. 3 is pretreatment system flow chart；
Fig. 4 is feed system flow chart；
Fig. 5 is CIU flow chart；
Fig. 6 is the schematic perspective view of air cooling slag hoist in CIU；
Fig. 7 is the comb type cooling bed schematic perspective view in the air cooling slag hoist shown in Fig. 6；
Fig. 8 is the section view schematic front view of the air cooling slag hoist shown in Fig. 6；And
Fig. 9 is exhaust treatment system flow chart.
Detailed description of the invention
Describe the danger refuse cleaning treatment system of the present invention below in conjunction with the accompanying drawings in detail.Those skilled in the art should manage
Solving, the embodiments described below is only the exemplary illustration to the present invention, makes any restriction not for it.
Danger wastes cleaning treatment system according to the present invention mainly includes intelligent storage feed proportioning system, pretreatment system
System, feed system, CIU and exhaust treatment system.Separately below each system is illustrated.
As shown in Figure 1-2, intelligent storage feed proportioning system mainly includes four parts: closed warehouse 1, closed dangerous waste
Thing handling passage 2, closed particulate matter transfer passage 3, closed pretreatment workshop 4.Described closed danger wastes loads and unloads
Passage 2 is close to first limit 15 in closed warehouse 1 and arranges；Closed particulate matter transfer passage 3 next-door neighbour should with closed warehouse 1
Vertical the second limit 16, first limit is arranged；The opposite side on this first limit that closed pretreatment workshop 4 is close to closed warehouse 1 sets
Put；And closed pretreatment workshop 4 is interconnected with closed particulate matter transfer passage 3, the two entirety is L-shaped.So-called closing
Formula, refers to: closed warehouse 1, closed danger wastes handling passage 2, closed particulate matter transfer passage 3, closed pre-
Process workshop 4 all there are four walls and cover the roof of four walls.Closed danger wastes handling passage 2, closed particulate matter
Transfer passage 3, closed pretreatment workshop 4 are respectively respectively arranged with the wall that one side is the most adjacent with closed warehouse 1.This setup, empty
Between utilization rate big, function is well defined, it is easy to accomplish.
Closed warehouse 1, is provided with multiple feeding mouth 13, shelf 11 and multiple discharging opening 14, includes in closed warehouse 1
Multiple automatic cruising fork trucks 12.Feeding mouth 13 is in normally open, and feeding mouth 13 connects closed warehouse 1 and closed danger is given up
Gurry handling passage 2, is provided with garbage conveyer device 23, for warehouse in closed danger wastes handling passage 2
Conveying danger wastes, this garbage conveyer device 23 main body major part is arranged in closed danger wastes handling passage 2,
Remainder is in feeding mouth 13 is arranged on closed warehouse 1.Closed warehouse 1 arranges multiple rows of shelf 11, shelf 11
Body includes multiple memory space, is used for storing garbage packing crates or pallet, shelf 11 body and each memory space and is all provided with
Put RFID label tag, preserve shelf ID and memory space ID.Closed warehouse 1 arranges unified three-dimensional system of coordinate, in order to determine
The coordinate of feeding mouth 13, discharging opening 14, shelf 11, memory space, automatic cruising fork truck 12 etc..Each memory space etc. all with only
The three-dimensional coordinate point of one is corresponding.
Danger wastes intelligent storage feed proportioning system also includes intelligent storage control system as shown in Figure 5, this control system
System includes controller, blower fan sensor, hazardous gas concentration detector, rfid interrogator, input port door trip, data base.Control
Device processed for danger wastes intelligent storage feed proportioning system overall operation is controlled, controller and blower fan, blower fan sensor,
Wired connection between hazardous gas concentration detector, door trip detector, controller and rfid interrogator, automatic cruising fork truck it
Between for wireless connections, data base is used for preserving inventory information table and (includes the garbage packing crates ID of storage, garbage kind, weight
Amount, source, go out, entry time information, storage position (shelf ID, memory space ID, shelf coordinate, memory space coordinate), goods
Frame region configuration information (shelf ID, shelf area coordinate, racks store type of merchandize) etc.), feeding mouth coordinate, discharging opening sit
Mark, the data such as map in closed warehouse.Automatic cruising fork truck include control unit, rfid interrogator, radio communication device, away from
From sensor, wherein control unit controls the work of automatic cruising fork truck, rfid interrogator be used for reading shelf, memory space,
RFID label tag on container, radio communication device is used for and controller radio communication, and range sensor is used for detecting fork truck and mesh
Distance between mark thing.
To the structure in closed warehouse 1 and realize dangerous useless below in conjunction with Fig. 1-2 under the control of intelligence control system
The operation such as the warehouse-in of gurry, outbound illustrates.
Put into garbage packing crates after being packed by danger wastes by the factory producing garbage, garbage packing crates sets
Being equipped with RFID label tag, unification is transported to region, workshop, danger wastes intelligent storage feed proportioning system place by closed lorry 25,
Carry out in-stockroom operation.Garbage march into the arena after through assay, manually in rfid card input danger wastes composition, quality, product
The information such as raw producer, each the garbage packing crates after typing is equipped with RFID label tag, for storing the kind of goods, coming
The information such as source, weight, physicochemical properties.
Closed danger wastes handling passage 2 includes entrance 21, exports 22, garbage conveyer device 23.Closed goods
During car 25 peril of transportation garbage, enter closed danger wastes handling passage 2 from entrance 21, initially enter closed danger
First inspection area of danger garbage handling passage 2, first tests to every case garbage, weighs, assay led to subsequently
Cross the RFID mark on the pallet of the RFID label tag on rfid interrogator write garbage packing crates or carrying garbage packing crates
In label, assay is sent simultaneously to controller, controller preserved by assay write into Databasce.Assay bag
Include: Check-Out Time, garbage kind, garbage the physical-chemical parameters, garbage source (as produced producer), weight etc..Inspection
After, lorry sails unloading district into and stops.
After stopping in loading dock, by fork truck 24 by garbage packing crates 26 or carry the pallet of garbage packing crates from
Taking off on lorry 25, be placed on garbage conveyer device 23, garbage conveyer device 23 can be conveying roller transporter, is used for
By packing crates 26 or carry this packing crates pallet send into closed warehouse 1.Garbage conveyer device 23 by packing crates 26 by
Feeding mouth 13 sends into closed warehouse 1.Feeding mouth 13 is normally opened opening.It is provided with rfid interrogator on feeding mouth 13, is used for reading
Take the FRID label information on garbage packing crates and to the information such as this label write entry time, feeding mouth rfid interrogator
After reading the FRID label information on garbage packing crates, generate warehouse-in instruction, with the packing crates FRID label information read
Controller with the entry time writing this label is transferred to Intelligent warehouse control system in the lump together as warehouse-in information, controls
This information received is saved into data base by device, controls corresponding automatic cruising fork truck according to this information simultaneously and carries out warehouse-in work
Industry.The danger wastes sending into closed warehouse 1 is mainly solid-state castoff or liquid garbage and paste garbage.
After receiving warehouse-in information, control put as follows in storage by controller: storage position sets；Automatic cruising fork truck selects
Select；Path computing；Input work controls.In detail below above warehouse-in control process is described.
Storage position sets: the inventory information table of storage in controller reading database, and this table includes set in advance general
A certain or some shelf are used for storing the shelf area configuration information of predetermined kind danger wastes, by the RFID in warehouse-in information
Shelf area configuration information in garbage kind of information in label information and inventory information table (include shelf area coordinate,
Shelf ID, shelf location, the information such as racks store type of merchandize) compare one by one, when garbage kind of information is deposited with shelf
When warehousing species information is identical, then show that this shelf area, for storing such garbage, thereby determines that in this shelf area
Storing the garbage of this warehouse-in, after shelf area determines, controller reads the relevant inventory information of this shelf area, and which determines
Shelf have vacant memory space, after determining, select one of them shelf as target shelf, by idle on these target shelf
The memory space for storage package case be set to target storage space, storage position sets complete.Shelf area arrange by with
Lower rule: 1, compatibility rule: same shelf can not store incompatible danger wastes, as bronsted lowry acids and bases bronsted lowry can not be placed on same
On shelf, to avoid chemical reaction occurring, explode or producing severe toxicity gas；2, rule is stored classifiedly: chemical property is similar
After danger wastes classification, as being divided into acid, alkali, halogen, hydrargyrum etc., allied hazard garbage or compatible danger wastes are concentrated
Leave on same shelf or multiple adjacent shelf, form the shelf area of such compatible danger wastes.Deposit incompatible
Need between the shelf area of danger wastes to keep safe distance, such as more than 10 meters.
Automatic cruising fork truck selects: after storage position sets, controller automatic cruising fork truck in closed warehouse is wide
Broadcasting idle inquiry message, the idle fork truck receiving this inquiry message sends response signal, this signal include fork truck ID numbering,
Idle condition, fork truck position etc., after controller receives response signal, according to the closing in the fork truck position data base with reading
Which idle fork truck distance feeding mouth 13 cartographic information in formula warehouse determines recently, selects from the nearest idle fork truck of feeding mouth 13
Input work is carried out as automatic cruising target fork truck.
Path computing: after automatic cruising fork truck selects, the closed warehouse of storage in controller inquiry data base
Map, according to shelf location (coordinate), automatic cruising target fork truck position, calculates driving path.
Input work controls: after path computing, and controller sends input work instruction, this instruction bag to target fork truck
Include: warehouse-in packing crates place feeding mouth ID, warehouse-in packing crates ID, target shelf ID, target storage space ID, driving path.Mesh
Mark fork truck receive input work instruction after, the control unit of target fork truck control this fork truck according to input work instructed into
Storehouse operates:
After the control unit of automatic cruising target fork truck 12 receives input work instruction, control this fork according to driving path
Car automatic running is to putting in storage near the feeding mouth of packing crates place, and when close to feeding mouth, the RFID reader of target fork truck 12 is read
Getting the RFID label tag on feeding mouth, obtain feeding mouth ID, fork truck control unit is by this ID and the pan feeding in input work instruction
Mouth ID compares, if unanimously, then carries out pan feeding operation, stops if it is inconsistent, control fork truck and sends to controller
Report to the police, until according to this instruction works after receiving the instruction further of controller.In the case of consistent, control unit passes through mesh
The fork truck that the range sensor of mark fork truck detects is the most sufficiently close together with both Distance Judgments of feeding mouth, when the two distance arrives
When reaching setting threshold value, control unit controls fork truck stop motion；The RFID reader of target fork truck reads and enters the useless of feeding mouth
The RFID label tag of the warehouse-in packing crates of carrying on gurry conveyer device 23, when control unit judges that the tag ID read is made with warehouse-in
Industry instruction in comprise warehouse-in packing crates ID identical time, control unit control fork truck by packing crates from garbage conveyer device 23 insert
Take off, and drive to target shelf according to driving path and packing crates is loaded target storage space: control target fork truck and press
According to time near driving path automatic running to target shelf, the RFID label tag on the RFID reader target shelf of target fork truck,
Obtaining target shelf ID, the target shelf ID during this ID is instructed by fork truck control unit with input work compares, if one
Cause, be then loaded operation and carry out pan feeding, if it is inconsistent, out of service and send warning to controller, until receiving control
According to this instruction works after the instruction further of device processed.In the case of consistent, the control unit of target fork truck is passed by distance
The fork truck that sensor detects is the most sufficiently close together with both Distance Judgments of shelf, when the two distance arrives and sets threshold value, and control
Unit processed controls fork truck stop motion；Control unit is by the ID of the memory space on these shelf and the target in input work instruction
Memory space ID and comparing, if unanimously, then carries out pan feeding operation, controls target fork truck and packing crates is loaded into target goods
In the target storage space of frame, stop if it is inconsistent, control fork truck and send warning to controller, until receiving controller
Further instruction after according to this instruction works.After loading, complete for loading information is sent to controller by control unit, control
Inventory information table in device processed more new database: increase this packing crates entry time, warehouse-in kind, weight in inventory information table
Amount, storage position etc..
Owing to the process of danger wastes is mainly burning disposal, will be by the incinerated matter of different calorific values according to joining during burning
Material scheme carries out incinerator pan feeding distribution, and the intelligent storage control system of the present invention also includes that being arranged on Central Control Room (does not shows in figure
Go out) intelligent feed proportioning system, be used for carrying out intelligence dispensing: first intelligence feed proportioning system carries out calorific value selection, i.e. according to detecting
The temperature of incinerator determine the calorific value of the danger wastes to incinerator conveying, if incinerator temperature is less than predetermined burning temperature
Degree, then the garbage that the calorific value of intelligence feed proportioning system selection stock is high, if incinerator temperature is higher than predetermined ignition temperature, then
Intelligence feed proportioning system selects the low garbage of calorific value of stock, preferably intelligence feed proportioning system to determine the danger to incinerator conveying
The thermal value range of danger garbage；After calorific value or thermal value range determine, intelligence feed proportioning system carries out selecting concrete discarded kind
Class and quantity, i.e. according to other physicochemical properties of the close danger wastes of calorific value of storage in data base, such as chemistry
Constituent content/particle diameter/the moisture content etc. such as the compatibility/halogen, it is determined that the kind of the danger wastes sent from closed warehouse 1
Class, quantity, and intended destination (delivering to which platform pre-processing device or processing equipment etc.) to be transported.Intelligence feed proportioning system is pressed
As upper type completes the determination of intelligence proportion scheme, and send the outbound instruction including proportion scheme, program bag to controller
Include storehouse garbage kind, quantity, sequentially.Controller has instructed following outbound according to described outbound and has controlled operation: according to joining
Outbound garbage kind in material scheme, quantity, order determine and are carried out by which danger wastes stored in closed warehouse
Outbound (i.e. determines outbound target)；Automatic cruising fork truck selects；Path computing；Delivery controls.In detail below to going out above
Storehouse controls process and is described.
Determine outbound target: controller receives proportion scheme, in conjunction with the inventory information in data base, determines and is currently needed for out
The garbage in storehouse: controller inquiry inventory information, it is thus achieved that the storage position of outbound target garbage (includes outbound target garbage
The shelf ID at place, shelf coordinate and memory space ID, memory space coordinate).
Automatic cruising fork truck selects: after outbound target garbage determines, controller, to fork truck broadcast idle inquiry message, connects
The idle fork truck receiving this inquiry message sends response signal, and this signal includes the numbering of fork truck, idle condition, fork truck position
Deng, after controller receives response signal, select the idle fork truck nearest from the storage position of target garbage as automatically patrolling
Boat target fork truck carries out Delivery.
Path computing: after automatic cruising fork truck selects, the closed warehouse of storage in controller inquiry data base
Map, according to storage position, the automatic cruising fork truck position of selection, calculates driving path.
Delivery: after driving path calculates, controller sends Delivery instruction, this instruction bag to target fork truck
Include: outbound target garbage place shelf ID, coordinate, outbound target garbage place memory space ID, coordinate, outbound target are useless
Gurry packing crates ID, driving path, intended destination (delivering to which platform pre-processing device or processing equipment) etc..
After automatic cruising target fork truck control unit receives Delivery instruction, the control unit of target fork truck is according to going out
Storehouse job instruction controls target fork truck and completes Delivery: controls fork truck automatic running according to driving path and discards to outbound target
Time near the shelf of thing place, the RFID label tag on these shelf of the RFID reader of target fork truck, obtain shelf ID, fork truck controls
Outbound target garbage place shelf ID during this ID is instructed by unit with Delivery compares, if unanimously, then carries out
Unloading operation carries out discharging, if it is inconsistent, out of service and send warning to controller, until receive controller enters one
Step instructs and according to this instruction works.In the case of consistent, the control unit of target fork truck is detected by range sensor
Both Distance Judgments distance between fork truck and shelf is the most sufficiently close together, when the two distance arrives and sets threshold value, controls single
Unit controls fork truck stop motion；Control unit control target fork truck by outbound target garbage packing crates from target storage space
Take out.After taking-up, control unit controls fork truck according to driving path and outbound target garbage packing crates is sent the corresponding of warehouse
Discharging opening 14 after automatically unload at the intended destination of pretreatment workshop.The automatically-controlled door of discharging opening 14 is provided with RFID clear
Zero device, is zeroed out operation to the relevant information in the rfid card on garbage packing crates during outbound.After outbound, control
Complete for outbound information is sent to controller by unit, the inventory information table in controller more new database: in inventory information table
The storage position of outbound target garbage packing crates is reset, and corresponding disposal information is removed, record this garbage
The outbound information such as outbound time.
The explanation of warehouse-in, outbound has been carried out above as a example by fork truck loading, unloading garbage packing crates, in reality, discarded
Matter packaging box can be carried on pallet, and fork truck can also take pallet carry out loading and the unloading operation of garbage by inserting.
Closed particulate matter (coarse powder material) transfer passage 3 includes that one or more air outlet 30 (comes in and goes out at danger wastes
During storehouse, described air outlet is closed), delivery port 31, particulate matter transporter 32 (such as belt conveyer) and granule
Thing storage device 33, is mounted with the closed lorry 25 of graininess danger wastes when unloading this garbage, initially enters envelope
Second inspection area of enclosed particulate matter transfer passage 3, the second inspection area is provided with on-ground weigher, it is possible to claim the lorry sailed into
Weight, also tests to graininess garbage in the second inspection area simultaneously, subsequently assay (is included Check-Out Time, is discarded
Species, garbage the physical-chemical parameters, garbage source, complete vehicle weight etc.) send controller to, this inspection is tied by controller
Fruit is sent to data base and preserves.After being verified, lorry 25 sails unloading district into and stops.The graininess that lorry 25 loads is dangerous
Garbage completes unloading via delivery port 31 after being carried by particulate matter transporter 32, a graininess danger wastes part is entered
Entering waste treatment apparatus to process, another part is stored in particulate matter storage device 33, and above graininess danger is given up
Controller is passed in the process information of gurry, storage information (including two-part weight) equally, controller this information preserved
In data base.After lorry 25 unloading, the on-ground weigher in unloading district carries out secondary weighing to lorry, and sends weighing results to control
Device, this weighing results is sent to data base and preserves by controller, and controller calculates the difference weighed for twice, obtains graininess
The weight of garbage, and this gravimetric value is saved into data base.
Fig. 3 generally show the flow chart of the danger wastes pretreatment system according to the present invention.The danger of the present invention
Garbage pretreatment system includes that coarse powder material danger wastes unit, solid-state danger wastes pretreatment unit, paste danger are given up
Gurry pretreatment unit, extraordinary danger wastes pretreatment unit and liquid hazardous waste pretreatment unit, be respectively used to
Coarse powder material danger wastes, solid-state danger wastes, paste danger wastes, extraordinary danger wastes and liquid danger are given up
Gurry carries out pretreatment.
In this article, coarse powder material danger wastes refer to its most of material comprised be smaller in size than or equal to 50 ×
50 × 80mm, such as particulate material or powder danger wastes；Solid-state danger wastes generally refer to size more than 50 × 50 ×
The solid-state danger wastes of 80mm.
Paste danger wastes is generally the semisolid of thickness, and feature is that viscosity is strong and poor fluidity, major part tool
Irritant abnormal smells from the patient and there is toxicity.The paste danger wastes of organic is relatively conventional, and wherein the content of benzene, phenol and chlorine is relatively
Height, such as, paint.
Also there are some paste danger wastes in solid-state under room temperature state (less than 20 DEG C), uprise in temperature and present afterwards
Mobility and becoming relatively is glued (such as i.e. softening at 30 DEG C), such as essence, the residue of distillation.
Extraordinary danger wastes includes solid-state danger wastes, liquid hazardous waste and the paste dangerous waste of special type
Things etc., the feature of this kind of material is that chemical property is the most active, easily reacts with other material, and has Strong oxdiative
Property, hypertoxicity or explosive, such as trivalent cobalt salt, peroxide, cyanide, perhalide etc., these material demand quilts
Isolation processing, to avoid blast or with other material generation vigorous reaction.
For the coarse powder material danger wastes come from outside transport, solid-state danger wastes, paste danger wastes, special type
Danger wastes and liquid hazardous waste, first carried out composition detection and by Central Control Room to these in advance at Central Control Room
Danger wastes carries out heat compatibility, so that carrying out, between these materials burned, there is the compatibility with batch entrance incinerator,
Thus ensure the safety of burning process, the most also to make the calorific value entering each batch materials of incinerator have stability, from
And can keep fully burning.
The most as shown in Figure 3, coarse powder material danger wastes pretreatment unit is used for separating coarse powder material danger wastes
Included in a small amount of solid-state danger wastes.It is defeated that coarse powder material danger wastes is transported to coarse powder material through coarse powder material belt conveyor
Send storehouse, and be finally transported to sizing screen sieves.Siftage (fines, it accounts for the major part of coarse powder material danger wastes)
Being transported in coarse powder feed bin, oversize (coarse fodder, it only accounts for the sub-fraction of coarse powder material danger wastes) is transported to solid-state
Danger wastes pretreatment unit is processed again.
Coarse powder material danger wastes pretreatment can also include mummification step, contains the moisture of 70-80% for mummification
Inorganic mud class material, is then transported to thick powder carry storehouse by the inorganic mud class material after mummification.
Coarse powder material danger wastes pretreatment can also include iron removal, for removing the ferrum included in oversize.
Solid-state danger wastes pretreatment unit is for carrying out pretreatment to solid-state danger wastes.Need broken solid-state
Danger wastes to be sought out as what compatibility calculated by danger wastes by warehousing system and fork truck, and boosted machine is transported to brokenly
Broken machine crushes so that the material particular diameter after Po Sui is less than or equal to 50 × 50 × 80mm.Solid-state danger after Po Sui is given up
Gurry is transported in agitating device.Solid-state danger wastes pretreatment also includes step of gathering dust, and is used for collecting in shattering process
The dust produced, and be transported in storage warehouse not carry out together with collected dust solid-state danger wastes after broken
Outer row.
Before storage warehouse, it is provided with Calx feeding device (adding Calx to play the effect of presetting pH value), is added by Calx
Calx from lime silo is transported to agitating device according to the calorific value compatibility of Central Control Room by measuring equipment by material device.
Will broken after solid-state danger wastes and coarse powder material danger wastes (siftage) and paste danger wastes (in
Liquid) in agitating device, be shaped to the bulk of size uniform or rod shaped materials together after be transported in storage warehouse, and from
Storage warehouse is transported to CIU burns.
Paste danger wastes pretreatment unit includes heating paste danger wastes in heater, so that
Paste danger wastes becomes mobility and by force and is difficult to its object contacted is formed the liquid bondd.
Then, the paste danger wastes after heating is filtered, by the paste danger wastes being in a liquid state and solid-state
Danger wastes and coarse powder material danger wastes stir molding together.When stirring, by adding flocculation aid and by stirring
Mix and by the molding together with solid-state danger wastes and coarse powder material danger wastes of paste danger wastes, thus convenient transport
And its firing efficiency can be improved.Flocculation aid used in whipping process is for example, from the Calx in lime silo.By adding
Enter Calx to neutralize the acid-base value of paste danger wastes and improve softening temperature.
And the solid matter included in paste danger wastes is transported to solid-state danger wastes pretreatment unit
In disintegrating machine carry out break process.
Extraordinary danger wastes pretreatment unit is for carrying out pretreatment to extraordinary danger wastes, including to extraordinary dangerous
Garbage carries out sealing subpackage (pack material), and by the fractional pack special type danger wastes after subpackage by suspention supply unit
It is transported in CIU burn.
Liquid hazardous waste pretreatment unit is for carrying out pretreatment to liquid hazardous waste, so that liquid danger is given up
Gurry is sufficiently mixed consequently facilitating burn.Liquid hazardous waste pretreatment includes liquid hazardous waste in receiver (example
Such as filtering tank, filter) in filter.
The solid-state danger wastes filtered out from liquid hazardous waste is introduced in disintegrating machine and carries out break process.
Liquid hazardous waste after filtering is introduced in blender and carries out mixture.
Liquid hazardous waste after mixture is introduced together in mulser.Liquid danger is given up by mulser
Gurry carries out emulsifying, and particularly, liquid hazardous waste carries out high speed centrifugation motion in mulser, and molecule is cut to
Its emulsifying.
Liquid hazardous waste (mixed waste liquor) after emulsifying is temporary in three different storages according to the height of calorific value
In tank, these three storage tank is respectively used to the liquid hazardous waste of temporary high, medium and low calorific value.
When the calorific value of the material being transported in incinerator is relatively low, measuring and dispensing system is dangerous from storing high heating value liquid
The storage tank of garbage takes out liquid hazardous waste and carries out compatibility therewith, so that the calorific value of the material in incinerator is uniform,
It is thus possible to realize the clean-burning purpose of material, otherwise, when the calorific value of the material being transported in incinerator is higher, metering is joined
Send system can take out liquid hazardous waste from the storage tank storing low heat value liquid hazardous waste and carry out compatibility therewith.
Alternatively, it is also possible to also be able to realize the compatibility of material calorific value by the dispensing speed of regulation measuring and dispensing system.
The danger wastes pretreatment system of the present invention is air-tight state and is furnished with ventilating system, and ventilating system is provided with
Absorbent charcoal adsorber, so that harmful gas will not be excessive, it is possible to prevent surrounding to be contaminated fully.
It should be noted that the compatibility for material, refer to two kinds and above danger wastes mixing should prevent
Situations below: produce amount of heat or high pressure, generation flame, explode, produce inflammable gas, generation toxic gas, violent
Polyreaction and the dissolving of noxious substance.
In addition to the compatibility between material, also should ensure that the compatibility between material and container.
For the stability of material calorific value, refer to material is carried out compatibility, so that the calorific value of material is as far as possible between necessarily
In the range of with reduce auxiliary fuel consumption.The calorific value of material not only affects the consumption of the auxiliary fuel of incinerator, also can shadow
Ring the disposal ability of incinerator.Calorific value is the lowest, needs to start auxiliary fuel system so that trash burning is complete, causes operating cost
Increase；Calorific value is the highest, makes the furnace temperature of incinerator be difficult to control to, and arranges and needs to limit stove with inert substance (excess air, water etc.)
Temperature, makes disposal ability decline simultaneously.Therefore the calorific value of material needs to control in a suitable scope, it is ensured that system is run
Economical reliable.
When material is carried out compatibility, it is also noted that following several situations:
1) content of acid contaminant is controlled.Control the content of acid contaminant with ensure CIU properly functioning and
The qualified discharge of tail gas.Halogenated organic not only affects the calorific value of refuse, also affect the content of acid gas after trash burning and
The operation of smoke processing system, controls the unreasonable generation also easily causing chlorine, and its corrosivity is bigger.Meanwhile, should during operation
Material is carried out labor, and the hazardous waste high to those content of halogen, quantity is big should be tried one's best and uniformly be burned, and should control whole
Body quantity.
2) content of heavy metal is controlled, to ensure the qualified discharge of the properly functioning and tail gas of CIU when burning.
Organic heavy metal class material should control overall quantity and uniformly enter stove burning.Due to the toxicity characteristic of these refuses, typically use bucket
Shape refuse enters the mode of stove and processes, and can be controlled on each content and number of times.
3) content of phosphorus is controlled.In hazardous waste, phosphorus is mainly organic phosphorus compound, burns the P2O5 produced at 400-700
DEG C metal can be produced the corrosion strengthened, if not controlling the content of phosphorus well, then waste heat boiler can be greatly shortened service life.
4) uncontrollable discharge of smell substance is reduced.For the hazardous waste that abnormal flavour is bigger, that can directly burn should reduce
Its compatibility operates.Not directly burn, volatilize during will strictly controlling its compatibility.
Refuse of endangering after above-mentioned pretreating process forms bulk material, sacked material and liquid object three major types, same class material
Physics and chemical characteristic close.Present invention morphological character based on above-mentioned three major types material separately designs and feeds system accordingly
System carries to CIU waits to burn danger refuse, thus effectively prevent deflagration event in existing " ground pit type " pan feeding mode
Raw.
See Fig. 4, mainly include that bulk material feed system, sacked material enter according to the danger waste separation feed system of the present invention
Material system and liquid object feed system, be respectively intended to carry bulk material, sacked material and liquid danger refuse to CIU 100.
Bulk material feed system mainly includes under feeding bin the 201, first weigher the 203, second weigher 205 and revolution
Glassware 206.Feeding bin 201 has closing housing, and housing is provided with material inlet 211 and material outlet 212.Feeding bin 1 housing
In be provided with stock distributor 213, for dispersed material.Feeding bin 201 housing bottom is provided with spiral reamer 204.?
The front end of feeding bin 201 can arrange elevator (conveyer) 202, and bulk material 220 can be risen to feeding bin by elevator 202
The top of 201, and enter feeding bin 201 from material inlet 211.
Owing to bulk material is by (dependence gravity) during the conveying of storehouse formula, knot storehouse (flow stagnation) phenomenon easily occurs in storehouse,
The consequence that once knot storehouse causes is very serious, often accommodates the material from several to tens tons, often can only disassemble feed bin in storehouse
Material could be derived.The present invention is in order to prevent and dissolve the generation of this phenomenon in advance, and spy is provided with the first weigher 203 and
Two weighers 205 are prejudged.First weigher 203 is used for that feeding bin 201 is carried out entirety and weighs, the second weigher
205 are used for weighing the material sent from the material outlet 212 of feeding bin 201.First weigher 203 preferably employs loading
Sensor, is arranged on the outside of feeding bin 201.Second weigher 205 preferably employs volume measurement scale, thus can carry continuously
Material, again can metering material volume, with metering volume of material be multiplied by material proportion can draw conveying material weight.
When feed system runs, (gravimetric value is m to the bulk material to be burned 220 being pre-metered0) enter from material inlet 211
Enter feeding bin 201, after stock distributor 213 disperses, be delivered to the second weigher 205, by second by spiral reamer 204
Weigher 205 carries to CIU 100 through rotary feeder 206 after weighing.A timing is measured by the second weigher 205
The interior weight of material to CIU 100 conveying is m2, the clean thing in feeding bin 201 is measured by the first weigher 203
Material weight is m1.In continuous flow procedure, work as m0-m2When value stabilization is in predetermined range of normal value, show in feeding bin 201
Flow of Goods and Materials is normal；And work as m1Value becomes larger, m0-m2When value exceedes predetermined normal value, then imply that material in feeding bin 201
Flowing starts to slow down, and continues development and goes down it is possible to occur to tie storehouse phenomenon.Operator, can by the monitoring to above-mentioned gravimetric value
Give warning in advance, and take solving measure in advance.Bottom feeding bin 201, in feeding bin 201, height is squeezed into for example with air bubble
Pressure air vibrates, so that knot storehouse phenomenon was just dissolved in the budding stage, thus ensures to produce continuously, is greatly improved production
Efficiency.
Rotary feeder 206 is used to carry bulk material to CIU 100, both in the bulk material feed system of the present invention
Material can be carried continuously, can effectively block again the high hot-air upwards anti-channeling of burning in CIU 100.
Bulk material feed system according to the present invention, the connecting tube between elevator 202, elevator 202 and feeding bin 201
Transfer pipeline between road and feeding bin 201 and CIU 100 all uses closed.Bulk material 220 is at course of conveying
In carry out all in closing in space, thus the harmful gas volatilized in the refuse that prevents from endangering outwardly is discharged.In order to prevent carrying
Rise and machine 202 and feeding bin 201 occur deflagration accident having, the inner space of elevator 202 and feeding bin 201 all with extractor fan
209 connections, extractor fan 209 can be connected with the entrance of CIU 100, thus directly be led to by the flammable explosive gas of extraction
Enter CIU 100 to burn.Can arrange dust-precipitator 208 before extractor fan 209, the dust that dust-precipitator 208 is collected is by lock
Wind blanking device 219 is delivered in elevator 202 carry to CIU 100 again.It addition, the top at feeding bin 201 is all right
It is provided with explosion-proof valve 214, further ensures that safety.
Sacked material feed system mainly includes suspended chain 251, hopper 252 and upper push-pull valve 253 and lower plugboard valve
254.Before charging starts, upper and lower push-pull valve 253 and 254 is all in closed mode, when sacked material 250 falls into from suspended chain 251
Time in hopper 252, upper push-pull valve 253 is opened and is made sacked material 250 fall on lower plugboard valve 254, then goes up push-pull valve 253 and closes,
Opening lower plugboard valve 254, sacked material 250 automatically falls into CIU 100 and burns.By upper and lower two push-pull valves repeatedly
Cooperation can completely cut off the high hot-air upwards anti-channeling of burning in CIU 100.Sacked material 250 is weighed in advance and is hung by control
The transporting velocity of chain 251 controls the charging rate of sacked material 250.
In one particular embodiment of the present invention, bulk material 220 and the bag-shaped material of bulk material feed system conveying feeds
The sacked material 250 of system conveying enters CIU 100 by Y type blanking scraper-trough conveyer respectively, thus prevents the spy in sacked material 50
Plant danger refuse and balk cargo comes in contact before entering kiln and causes blast.
Liquid object feed system 300 use multichannel nozzle be respectively intended to CIU 100 carry high heating value, middle calorific value and
Low heat value liquid.It is thus possible to need the liquid selecting to supply different calorific value according to the technique of CIU 100.Each road nozzle
Before can connect have effusion meter carry out measure liquid danger refuse inlet amount.
Seeing Fig. 5, incinerator 100 is made up of rotary kiln 110, secondary combustion chamber 120 and slag-tapping system.Rotary kiln
110 kiln hoods are connected with feed system and (include solids feed system 200 and liquid object feed system 300, wherein solids charging
System 200 can be divided into again bulk material feed system mentioned above and sacked material feed system), kiln tail is and secondary combustion chamber
The lower seal of 120 connects, and the top of secondary combustion chamber 120 is connected with exhaust treatment system 500 by pipeline, secondary combustion chamber
The bottom of 120 is connected with slag-tapping system.Wherein, rotary kiln 110 and secondary combustion chamber 120 are connected with natural gas station 400 the most respectively,
Igniting is carried out with combustion-supporting to rotary kiln 110 and secondary combustion chamber 120 respectively by auxiliary burner 401 and 402.Rotary kiln 110
Be respectively arranged with temperature monitor and oxygen content monitor in secondary combustion chamber 120.
Rotary kiln 110 is that a horizontal circular has the rotatable stove of lining of fire brick, inner lining refractory block (50mm insulating brick
+ 250mm mullite brick), kiln external temperature is maintained at more than 175 DEG C, in case antacid gas pickling.On kiln body
Having two belt wheels and a bull gear, drive mechanism is by the bull gear on little gear driven body, then by canine tooth astragal
Dynamic rotary kiln body rotates.The transmission downward for ensureing material, rotary kiln 110 must keep certain gradient, in the present invention
The axial line of rotary kiln 110 becomes 1.5 degree of angles with horizontal line.The rotation yardstick of kiln is preferably 0.2 to 2.0 turn per minute.In kiln
Volume heat load is 20～44kg/ (m3·h)。
Secondary combustion chamber 120 top is cylindrical structure, and liner material is that high alumina turns+light weight fireclay brick+calcium silicate board, outward
Steel plated.Secondary combustion chamber 120 bottom has taper reducing, is provided with air cooling slag hoist 121 bottom taper reducing.Air-cooled slag tap
Machine 121 is connected with outside secondary blower 122.The volume heat load of secondary combustion chamber 120 is 15～40kJ/m3.h。
During burning, by the different bulk material 220 of calorific value, sacked material 250 and liquid object by difference after predetermined calorific value compatibility
Send in rotary kiln 110, in kiln, blast air by being arranged on the primary blower 111 of kiln hood, and pass through auxiliary combustion
Device 401 is lighted a fire.Refuse under rotary kiln 110 rotates continuously, material do not stops to stir in kiln, heat, be dried, decompose gentle
Change.The ignition temperature of rotary kiln 110 controls at 700～850 DEG C, and residue Control for Oxygen Content is less than 2%, and material is at rotary kiln
The time of staying in 110 is about 20-45min.Under these process conditions, material is incinerated into high-temperature flue gas and slag.Burning
The flue gas produced enters secondary combustion chamber 120 from kiln tail, is here burned further.By secondary blower 122 to two
Blast secondary wind in level combustor 120, and carry out combustion-supporting by auxiliary burner 402.By being positioned at secondary combustion chamber 120 flue gas
Thermocouple and oxygen content detector on exhaust pass detect oxygen content in furnace temperature and aerofluxus, and then control auxiliary burner
402 and the uninterrupted of secondary blower 122, make secondary combustion chamber 120 temperature stabilization in setting value so that danger waste burning
It is constantly in optimum state.In a preferred embodiment of the invention, the ignition temperature in secondary combustion chamber 120 control 1100～
1200 DEG C, residue Control for Oxygen Content is less than 8%.Flue gas in time of staying of secondary combustion chamber 120 more than 3.5 seconds.At this
Under the conditions of, it is ensured that the danger refuse entering incinerator burns completely the most thoroughly, and two English in flue gas have with other
The 99.99% of evil composition is decomposed.
Slag-tapping system mainly includes air cooling slag hoist 121.Seeing Fig. 6-8, air cooling slag hoist 2 is provided with slag inlet 131, slags tap
Mouth 134 and air inlet 133.Wherein, slag inlet 131 connects with the bottom of secondary combustion chamber 120.Rotary kiln 110 and secondary firing
The hot slag that room 120 produces enters air cooling slag hoist 121 through slag inlet 131, and the cold wind blasted from air inlet 133 is slagged tap air-cooled
Entering secondary combustion chamber 120 after carrying out heat exchange with hot slag in machine 121 and carry out high temperature oxygenating, the slag after cooling is through slag notch
134 discharge.
Seeing Fig. 6-8, in one embodiment, air cooling slag hoist 121 includes shell body 130 and is positioned at shell body 130
Interior comb type cooling bed 132.The top of shell body 130 is provided with slag inlet 131, and slag inlet 131 connects with the burner hearth of secondary combustion chamber 120
Logical, it is used for receiving slag.Comb type cooling bed 132 includes that grate plate 140, grate plate 140 front end are positioned at below slag inlet 131, grate plate 140 end
Adjacent with slag notch 134.Be evenly distributed with array air vent in grate plate 140, the aperture of air vent be arranged to make cold wind under
Up by but slag will not down spill.It is provided with multiple row motion beam 150 in grate plate 140, each column motion beam 150 is spaced and sets
It is equipped with multiple stick pusher 151.The length direction of stick pusher 151 is perpendicular to slag conveying direction A.
It is provided with motion beam drive mechanism 160 below each column motion beam 150, is used for driving motion beam 150 to carry along slag
Direction A moves back and forth, such as, can be driven motion beam 150 to use air cylinder driven mode.By motion beam 150
Reciprocating motion can effectively prevent the bonding of high-temperature fusion slag；Promote slag to slag notch 134 by stick pusher 151 simultaneously
Slowly wriggle.Stick pusher 151 is divided into inclined plane 152 and vertical plane 153 along slag conveying direction A such that it is able to guide swimmingly
Slag carries to slag notch 134.
Being provided with air inlet pipeline below grate plate 140, air inlet pipeline is divided into air intake house steward 180 and air intake arm 181, shows in figure
In the embodiment gone out, air intake house steward 180 be arranged in parallel with the length direction of grate plate 140, the most uniformly draws from air intake house steward 180
Going out multiple row air intake arm 181, the air inlet 133 of air inlet pipeline is connected with secondary blower 122.Secondary blower 122 drum
The cold wind entered uniformly is blowed to the array air vent of grate plate 140 through air inlet pipeline.
In a preferred embodiment of the invention, grate plate 140 end is provided with ramp type and slags tap baffle plate 170, by gear of slagging tap
The height of plate 170 regulates the thickness of slag layer in grate plate 140, so that the thickness of slag layer in grate plate 140 maintains certain thickness,
Grate plate 140 can be played a protective role by the slag that lower floor is cooled.
Danger refuse is different from conventional house refuse.In conventional house refuse, silico-calcium constituent content is big, the stove produced after burning
Slag exists in solid form；Solid-state slag uses water-cooled or air-cooled pattern is all easily achieved.And silico-calcium contains in refuse of endangering
Measuring low, magnesium, aluminum, fluorine element content are high, and therefore after high temperature incineration, slag is molten state；Owing to the slag of molten state is prone to cementing machine
Device, the air-cooled forbidden zone being always considered as by the technical staff of danger incineration of waste process field being difficult to, the water of routine can only be used
Chill formula.And the present invention is designed and motion mode by the structure of above-mentioned air cooling slag hoist 121, it is possible to effectively overcome high-temperature fusion
The bonding of slag, so that the danger air-cooled pattern of incineration of waste slag is achieved.
Yet another advantage of the present invention is that: the slag bottom secondary combustion chamber 120 is directly and secondary wind carries out heat exchange.This
Planting air-cooled pattern can make secondary wind be preheated, and improves the efficiency of combustion of secondary combustion chamber 120；It addition, the slag after air-cooled
Can directly pass through (closed) conveyer 123 to be delivered to slag storehouse 124 and store.Bottom, slag storehouse 124 is provided with valve of slagging tap
126, valve 126 of slagging tap can be connected with automobile loading spout 127, by automobile loading spout 127 can under completely enclosed state to
The freight house conveying slag of automobile 128.This slag treatment mode overcomes slag in existing water-cooled pattern needs the problem of dry in the sun,
Fully save the energy and water resource, and environment has not been caused any pollution.
Seeing Fig. 9, exhaust treatment system 500 mainly includes waste heat boiler 510, chilling tower 520, activated carbon dusting device
530, sack cleaner 540, active carbon adsorption column 550, washing deentrainment tower 560, flue gas heater 570, tail exhaust blower 580 and
Chimney 590.
Waste heat boiler 510 burner hearth is divided into four backhauls by three row's suspension type fin panel casings flue gas, and waste heat boiler uses
Radiation heat transfer mode, radiation heat transfer is that the water in pipeline is heated into steam, pipeline heat exchange by the way of radiation heat transfer by flue gas
Pipe is finned membrane wall passage.Radiation heat transfer, owing to being arrangement of cavities, is difficult to dust stratification, and deashing is more convenient.The present invention
Use the heat exchange mode of full film type wall, be equipped with deashing device simultaneously, it is to avoid the phenomenon of coking occurs.
SNCR (selective non-catalytic method) can be set on the pipeline between waste heat boiler 510 and secondary combustion chamber 120
Denitrification apparatus 129, in high temperature environments, flue gas is sufficiently mixed with the atomization urea liquid sprayed into, and in flue gas, NOx component is O2's
In the presence of with carbamide generation reduction reaction, meanwhile urea liquid moisture is all vaporized by flue gas and takes away.Control ammonia nitrogen ratio,
The reduction efficiency of NOx is 50%.
Arranging expansion chamber in the bottom of waste heat boiler, flue gas will settle dust and enter sedimentation when flowing from bottom to top
Room, the flying dust that expansion chamber is collected is transported to flying dust storehouse 513 through double-deck push-pull valve 511 and conveyer 512.Boiler design exiting flue gas
Temperature is 550 DEG C, it is possible to avoid two English and the temperature province of furan regeneration.
Bootstrap system utilizes the waste heat for generating steam in flue gas.Steam is in addition to personal, after remaining reduces pressure as required
For production and application.Additionally, the steam that bootstrap system produces is by access industrial garden steam pipe system, for garden enterprise.
High-temperature flue gas temperature after waste heat boiler 510 is down to 550 DEG C, through flue from top entrance chilling tower 520, chilling
Arranging pressure type shower nozzle 522 on tower 520, shower nozzle 522 is connected with the alkali liquor pond 521 equipped with sodium hydroxide.Under the effect of high pressure,
Sodium hydroxide solution within shower nozzle 522 is the effect of moment blood pressure lowering when spiral diffusion and ejection, and solution is atomized into 0.08mm
The drop of left and right, the drop after being atomized and the abundant heat exchange of high-temperature flue gas, evaporate the most rapidly, take away heat so that
Flue-gas temperature is reduced to less than 200 DEG C in moment (0.8s), and moisture content (mass ratio) is less than 3%.While moisture evaporates,
Sodium hydroxide and acid gas in flue gas occur to neutralize reaction.Owing to flue gas time of staying between 200-500 DEG C is less than 1s, because of
This prevents the resynthesis of two English.
Native system uses sodium hydroxide solution, and the deacidification effect of smoke processing system is more guaranteed.Chilling alkali liquor
Injection flow rate is automatically adjusted according to flue gas exit temperature, and when this temperature is higher than design temperature, the chilling alkali liquor amount of nozzle ejection increases
Add, otherwise, then reduce chilling alkali liquor amount.The a series of pre-places such as broken, quenched are passed through owing to entering the material of incinerator 100
Reason, so the composition of incineration flue gas middle acid substance will not occur acute variation, therefore sodium hydroxide in chilling extracting tower 520
The addition of solution can maintain some, it is ensured that higher clearance.
In order to meet incineration of waste standard limit of smog release, it is ensured that heavy metal (especially Hg) two English (PCDDs), furan
(PCDFs) discharge standard, in addition to strict control burning process and technical parameter, the present invention uses activated carbon dusting device 530
Spray powdered carbon to the Venturi tube 533 being arranged in flue gas pipeline, utilize two English and a huge sum of money in active carbon powder absorption flue gas
The noxious substances such as genus reach the purpose of flue gas high-efficient purification.Owing to activated carbon has a great specific surface area, therefore, even
A small amount of activated carbon, as long as mixing homogeneously with flue gas and long enough time of contact, it is possible to reach high adsorption cleaning efficiency.Activity
Charcoal is inner strong turbulent flow realization, activity with the Venturi tube 533 being uniformly combined by being arranged on flue of flue gas
Charcoal is sprayed in flue gas uniformly, and mix homogeneously has reached good adsorption effect.Activated carbon is the most equal with flue gas in the duct
After even mixing, reach efficient absorption effect, but absorption in pipeline the most saturated, enter follow-up the most again together with flue gas
Sack cleaner 540 in, rest on filter bag, be fully contacted with the flue gas slow transitting through filter bag, reach in flue gas a huge sum of money
Belonging to the adsorption cleaning of the pollutant such as Hg and PCDD/Fs, Adsorption of Heavy Metals, the activated carbon of two English fall into sack cleaner 540
Ash bucket.
Activated carbon is then sent directly into flue through self-measuring device, enters follow-up cloth bag and remove after being sufficiently mixed with flue gas
Dirt device 540.Using the activated carbon of 200 mesh in the present invention, to ensure specific surface area and absorbability, activated carbon is added to make continuously
Industry, is controlled activated carbon addition by frequency conversion batcher.Activated carbon quantity delivered is with incinerator 100 load adjustment with according to regularly
Heavy metal and two English Monitoring Data give to adjust signal.
Flue gas is by the outer filter bag through sack cleaner 540, and the dust in flue gas is trapped within filter bag outer surface, thus
It is purified, then in removing dust device, Venturi tube enters upper box, discharge from outlet.Attached collection constantly increases at the dust of filter bag outer surface
Add, make dust remover resistance increase, for making equipment resistance maintain in the range of restriction, it is necessary to periodically eliminate and be attached to filter bag surface
Dust: controlled periodically to trigger each control valve in order by PLC and open, make gas bag compressed air be sprayed by injection tube eyelet is logical
Crossing Venturi tube, inducing peripheral air enters filter bag, makes filter bag the most drastically expand, and along with the back action of air-flow,
Shake off dust.The dust shaken off falls into ash bucket, discharges through spiral ash hoist 541.Cloth bag uses high temperature resistant type PTFE overlay film, has
Prevent dew condensation phenomenon from producing to effect, the service life of filter cloth can be extended simultaneously.
For guaranteeing that in tail gas, two English class materials meet following new standard 0.1TEQng/m3Requirement, the present invention is at cloth bag
Also set up activated-charcoal column 550 on the flue gas flow path of cleaner unit 540, the dioxin substance of eliminating minute can be gone further.
Washing deentrainment tower 560 is to the further removal of pollutant in flue gas, by the effect neutralizing reaction, scrub, and will
Sour gas, dust are strict controlled in design limit, it is ensured that smoke processing system reaches the requirement of highest standard.
Flue gas enters washing deentrainment tower 560, to sour gas wet treatment, can improve treatment effect, and reduce process
Cost；In order to ensure the clean result of scrubbing tower alkali liquor, the pH value of alkali liquor is realized detection automatically and controls.Control system according to
The change of pH value is automatically adjusted chemical feeding quantity, makes clean result optimal, to overcome anthropic factor to affect clean result.
The washing built-in filler of deentrainment tower 560, flue gas is that divergent shape entrance is positioned at the wash tower bottoms above circulating water chennel, so
Rear continuation is the most up by dry load layer, and the absorption of sour gas just occurs at this position.Shower nozzle by band nozzle
Circulation fluid is expanded and spreads to whole tower section, it is ensured that all gas can be fully contacted with circulation fluid.
Washing deentrainment tower 560 outlet sets demister, can remove all drops by demister from flue gas stream.Demister band
There is Flushing nozzle, high pressure, clean water can be sprayed into off and on and clean demister, isolated water is entered wash tower bottoms.To be recycled
After saturated, high slat-containing wastewater enters advanced treatment system desalination.It is about 70 DEG C from washing deentrainment tower 560 flue-gas temperature out,
Need, through flue gas heater 570, after temperature brings up to 120 DEG C, to enter back into tail exhaust blower 580.Flue gas heater 570 is permissible
Using the steam of waste heat boiler 510 or the flue gas of high temperature section is thermal source.
Stay sample tap and on-line checking mouth at chimney 590, join a set of flue gas on-line measuring device, be used for detecting discharged cigarette
Flue dust in gas, humidity, flue-gas temperature, pressure, flow, HF, SO2、CO、NOx、HCl、O2、CO2Deng.Monitoring Data feeds back to burn
Burn workshop DCS system, by host computer, display record, analyze for environment care provider in factory.SO2And HCl number
According to also transmitting to deacidification system, to discharge the operational factor of the content numerical control deacidification system of gas middle acid substance, thus
Ensure that fume emission is qualified.Smoke on-line monitoring system is furnished with data remote unit, utilizes local networks and Environmental Protection Agency's environmental protection letter
Breath Platform communication, can report Monitoring Data relevant environment and monitor department.
The flying dust that in exhaust treatment system 500, waste heat boiler 510, chilling tower 520, cleaner unit 540 are collected, all through conveyer
512 enter flying dust storehouse 513, and flying dust storehouse 513 can be connected with automobile loading spout 516, can be completely by automobile loading spout 516
Carry slag to the freight house of automobile 517 under closed state, automobile 517 transport to landfill yard and carry out solidification landfill.Flying dust Cang518Ding
Portion can arrange cleaner unit 518 and air-introduced machine 519, and the wind of extraction may be coupled to the kiln hood of rotary kiln 110, makes as First air
With.Environment is not caused any pollution by this flying dust processing mode.
In the case of making full use of waste heat, higher gas cleaning rate is can reach by above-mentioned exhaust treatment system 500,
Can be to dust, sour gas, NOX, two English, the pollutant such as heavy metal purify, reach statutory emissions regulations.
Claims (10)
1. a danger wastes cleaning treatment system, including intelligent storage feed proportioning system, pretreatment system, feed system, burns
Burning system and exhaust treatment system.
Danger wastes cleaning treatment system the most according to claim 1, wherein intelligent storage feed proportioning system includes closing
Formula warehouse, closed danger wastes handling passage, closed particulate matter transfer passage and closed pretreatment workshop；Wherein:
Closed danger wastes handling passage is close to first limit in closed warehouse and arranges；Closed particulate matter transfer passage is tight
Vertical the second limit, this first limit adjacent and closed warehouse is arranged；Closed pretreatment workshop be close to closed warehouse this
Opposite side on one side is arranged；And closed pretreatment workshop directly connects with closed particulate matter transfer passage；
Closed danger wastes handling passage, closed particulate matter transfer passage, closed pretreatment workshop and closed storehouse
Storehouse is respectively arranged with the wall that one side is adjacent；
Closed warehouse, is provided with feeding mouth and discharging opening, and closed danger wastes handling passage passes through with closed warehouse
Feeding mouth connects, and closed pretreatment workshop is connected by discharging opening with closed warehouse；Closed store interior is provided with many
Row's shelf, are additionally provided with multiple stage automatic cruising fork truck, and each shelf body all includes multiple memory space, and each memory space is equal
Corresponding with unique three-dimensional coordinate point, it is used for storing garbage packing crates, shelf body and each memory space and is respectively provided with
RF I D label, automatic cruising fork truck includes control unit, RF I D read write line and range sensor, and control unit controls automatically
The work of cruise fork truck, RF I D read write line is for reading the RF I D label on shelf, memory space, container, Distance-sensing
Device is for detecting the distance between fork truck and object；
Feeding mouth is provided with RF I D read write line, for the garbage packing crates being transported into warehouse by garbage conveyer device
RF I D label be read out information or write information operation；
Being provided with entrance at closed danger wastes handling passage end, the other end is provided with outlet, is provided with useless in the channels
Gurry conveyer device, for carrying danger wastes to closed warehouse, this garbage delivery device body major part is arranged on
In closed danger wastes handling passage, remainder is in feeding mouth is arranged on closed warehouse.
Danger wastes cleaning treatment system the most according to claim 2, wherein intelligent storage feed proportioning system also includes intelligence
Can storage control system；Wherein:
Described intelligent storage control system includes controller and data base；
Data base is for preserving inventory information table and the map in closed warehouse；
Controller, for danger wastes intelligent storage feed proportioning system is controlled and is written and read data base operation, controls
It is connected by radio communication between device with RF I D read write line, automatic cruising fork truck.
Danger wastes cleaning treatment system the most according to claim 1, wherein pretreatment system includes that coarse powder material is dangerous
Garbage pretreatment unit, solid-state danger wastes pretreatment unit, paste danger wastes pretreatment unit and liquid are dangerous
Garbage pretreatment unit, be respectively used to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes and
Liquid hazardous waste carries out pretreatment, forms physical property uniform bulk material, sacked material and liquid object three class and wait to burn after pretreatment
Burn thing.
Danger wastes cleaning treatment system the most according to claim 1, wherein feed system includes that the charging of bulk material is
System, sacked material feed system and liquid object feed system, respectively in the way of continuous, airtight to CIU conveying bulk material,
Sacked material and liquid danger refuse.
Danger wastes cleaning treatment system the most according to claim 5, wherein bulk material feed system includes:
Feeding bin, has closing housing, and housing is provided with material inlet and material outlet, and housing bottom is provided with spiral reamer；
First weigher, is used for weighing feeding bin；
Second weigher, is arranged on below feeding bin, is used for weighing discharging；And rotary feeder, import and second
Weigher connects, and outlet is connected with CIU.
Danger wastes cleaning treatment system the most according to claim 1, CIU includes rotary kiln and secondary firing
Room, the kiln tail of rotary kiln is connected with the lower seal of secondary combustion chamber.
Danger wastes cleaning treatment system the most according to claim 7, is wherein provided with air-cooled bottom secondary combustion chamber
Mucking machine, enters secondary combustion chamber's burning after secondary wind and slag heat exchange, air-cooled after slag be fed directly to slag storehouse.
Danger wastes cleaning treatment system the most according to claim 7, wherein exhaust treatment system include waste heat boiler,
Chilling tower, activated carbon dusting device, sack cleaner, active carbon adsorption column, washing deentrainment tower, flue gas heater, exhaust blower with
And chimney.
Danger wastes cleaning treatment system the most according to claim 9, wherein secondary combustion chamber and waste heat boiler it
Between pipeline on be provided with SNCR denitration device.
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| CN201610622503.1A CN106066042B (en) | 2016-08-01 | 2016-08-01 | Danger wastes cleaning treatment system |
| CN201810668131.5A CN108800152B (en) | 2016-08-01 | 2016-08-01 | Danger wastes cleaning treatment system with classification closed-type feed system |
| CN201810668576.3A CN108800163B (en) | 2016-08-01 | 2016-08-01 | Dangerous waste object cleaning treatment system with intelligent storage feed proportioning system |
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| CN201810668131.5A Division CN108800152B (en) | 2016-08-01 | 2016-08-01 | Danger wastes cleaning treatment system with classification closed-type feed system |
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| CN109359387A (en) * | 2018-10-18 | 2019-02-19 | 天津科技大学 | A kind of dangerous waste incineration compatibility system based on off-line operation optimization |
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| CN112862032A (en) * | 2021-01-11 | 2021-05-28 | 南京大学 | RFID-based dangerous waste real-time risk early warning method and device |
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| CN114034045A (en) * | 2021-10-27 | 2022-02-11 | 南京希捷环保科技有限公司 | Key pretreatment process and equipment for performing cooperative treatment on hazardous waste |
| CN117930784A (en) * | 2024-03-18 | 2024-04-26 | 中城院(北京)环境科技股份有限公司 | Automatic control system and method for organic solid waste comprehensive treatment equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108800163B (en) | 2019-08-09 |
| CN106066042B (en) | 2018-08-03 |
| CN108800152B (en) | 2019-09-13 |
| CN108800152A (en) | 2018-11-13 |
| CN108800163A (en) | 2018-11-13 |
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