CN205991497U - Danger wastes cleaning treatment system - Google Patents

Abstract

A kind of danger wastes cleaning treatment system, including intelligent storage feed proportioning system, pretreatment system, feed system, CIU and exhaust treatment system.Had the advantage that using danger wastes cleaning treatment system of the present utility model：(1) danger wastes, all in closing space in transport process in factory, will not produce any pollution to ground and outside air.(2) danger wastes are carried out with classification pretreatment and by physical property matching charging, both can guarantee that stablizing of burning process, the generation of security incident can be prevented again.(3) precise control is carried out to burning process it is ensured that danger incineration of waste thoroughly, and adopts air-cooled to slag, can energy saving and resource, improve production efficiency.

Description

Danger wastes cleaning treatment system

Technical field

This utility model is related to hazardous waste disposal field.

Background technology

Danger wastes (danger waste) refer to corrosivity, toxicity, inflammability, reactive or infectious etc. a kind of or The garbage of several hazard property of person.With industrial expansion, the danger waste of industrial processes discharge is increasing, how to enter Row safely and efficiently processes environmentally safe significant.

In existing danger incineration of waste processing system, generally the danger waste of various forms is mixed and be temporarily stored into melt pit Interior, waste is picked up by claw bucket sling and enters kiln.Because the physical property of different danger wastes is different, mixes and be susceptible to danger, domestic There is a lot of interior hole blasts, deflagration event.Additionally, " ground pit type " pan feeding mode has pollution to environment, and (waste gas is externally arranged naturally Put).

In addition, waiting that the calorific value stability burning danger waste not only affects the consumption of incinerator auxiliary fuel, also can affect to burn Burn the disposal ability of stove.Calorific value is too low, needs to start auxiliary fuel system so that trash burning, causes operating cost to increase completely Plus；Calorific value is too high, so that incinerator furnace temperature is difficult to control to, and setting needs to limit furnace temperature with inert substance (excess air, water etc.), with When make disposal ability decline.The calorific value of therefore hazardous waste needs to control in a suitable scope it is ensured that CIU warp Ji is reliable to be run.And, in the CIU that existing rotary kiln adds secondary combustion chamber, due in design and processes control Defect, lead to garbage cannot grill thoroughly in rotary kiln, secondary combustion chamber supplement fuel consumption big the problems such as, 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 consumed energy but also polluted ground；The problems such as vent gas treatment difficulty is big, discharge is difficult up to standard.

Utility model content

The purpose of this utility model is to overcome certain or some problems in above-mentioned background technology, providing a kind of danger Garbage cleaning treatment system.

Intelligent storage feed proportioning system, pretreatment system are included according to danger wastes cleaning treatment system of the present utility model System, feed 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 load and unload the first side setting that passage is close to closed warehouse；Closed particulate matter conveying is logical Road is close to and first is arranged in vertical second with this of closed warehouse；Closed pretreatment workshop is close to closed warehouse The opposite side setting on this first side；And closed pretreatment workshop is directly connected with closed particulate matter transfer passage；

Closed danger wastes handling passage, closed particulate matter transfer passage, closed pretreatment workshop and closing Respectively there is the adjacent wall of one side in formula warehouse；

Closed warehouse, is provided with feeding mouth and discharging opening, closed danger wastes handling passage and closed warehouse Connected by feeding mouth, closed pretreatment workshop is connected by discharging opening with closed warehouse；Closed store interior setting There are multiple rows of shelf, be additionally provided with multiple stage automatic cruising fork truck, each shelf body all includes multiple memory spaces, each storage is empty Between all corresponding with unique three-dimensional coordinate point, for storing discarded matter packaging box, shelf body and each memory space are equal Setting 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 used for reading shelf, memory space, the RFID label tag on container, and range sensor is used In the distance between detection fork truck and object；

Feeding mouth is provided with rfid interrogator, for the discarded matter packaging box being transported into warehouse by garbage conveyer device On RFID label tag be read out information or write information operation；

It is provided with entrance in closed danger wastes handling passage end, the other end is provided with outlet, arranges in the channels There is garbage conveyer device, for conveying danger wastes to closed warehouse, this garbage delivery device body major part sets Put in closed danger wastes handling passage, remainder is arranged in closed warehouse through feeding mouth.

Intelligent storage feed proportioning system also includes intelligent storage control system；Wherein：

Described intelligent storage control system includes controller database；

Data base is used for preserving inventory information table and the map in closed warehouse；

Controller is used for danger wastes intelligent storage feed proportioning system being controlled and data base is written and read operating, Pass through wireless communication connection between controller and rfid interrogator, automatic cruising fork truck.

In a specific embodiment of the present utility model, wherein pretreatment system includes coarse powder material danger wastes and locates in advance Reason unit, solid-state danger wastes pretreatment unit, paste danger wastes pretreatment unit and liquid hazardous waste are located in advance Reason unit, is respectively used to dangerous to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes and liquid useless Gurry carries out pretreatment, forms physical property uniform bulk material, sacked material and liquid object three class and treat incinerated matter after pretreatment.

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 Knife；

First weigher, for weighing to feeding bin；

Second weigher, is arranged on below feeding bin, for weighing to 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, wherein secondary combustion chamber bottom is provided with air cooling slag hoist, and 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 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, the pipeline wherein between secondary combustion chamber and waste heat boiler is provided with SNCR denitration device.

Had the advantage that using danger wastes cleaning treatment system of the present utility model：

(1) danger wastes, all in closing space in transport process in factory, will not produce to ground and outside air Any pollution.

(2) danger wastes are carried out with classification pretreatment and by physical property matching charging, both can guarantee that stablizing of burning process, The generation of security incident can be prevented again.

(3) precise control is carried out to burning process it is ensured that danger incineration of waste is thorough, and slag is adopted air-cooled, can save The energy and resource, improve production efficiency.

Brief description

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.

Specific embodiment

Describe danger waste cleaning treatment system of the present utility model below in conjunction with the accompanying drawings in detail.Those skilled in the art should Understand, the embodiments described below is only to exemplary illustration of the present utility model, not for it is made with any restriction.

Intelligent storage feed proportioning system, pretreatment are mainly included according to danger wastes cleaning treatment system of the present utility model 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 handling The first side 15 that passage 2 is close to closed warehouse 1 is arranged；Closed particulate matter transfer passage 3 next-door neighbour should with closed warehouse 1 First 16 is arranged in vertical second；The opposite side that closed pretreatment workshop 4 is close to this first side in closed warehouse 1 sets Put；And closed pretreatment workshop 4 is interconnected with closed particulate matter transfer passage 3, the two is overall 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 the roof that workshop 4 all has four walls and covers four walls.Closed danger wastes handling passage 2, closed particulate matter Transfer passage 3, closed pretreatment workshop 4 are each respectively to have the adjacent wall of one side 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 mouths 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 useless Gurry loads and unloads passage 2, loads and unloads in passage 2 in closed danger wastes and is provided with garbage conveyer device 23, for warehouse Conveying danger wastes, this garbage conveyer device 23 main body major part is arranged in closed danger wastes handling passage 2, Remainder is arranged in closed warehouse 1 through feeding mouth 13.Multiple rows of shelf 11, shelf 11 are set in closed warehouse 1 Body includes multiple memory spaces, and for storing discarded matter packaging box or pallet, shelf 11 body and each memory space are 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 One three-dimensional coordinate point 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 is used 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 be wireless connect, data base is used for preserving inventory information table and (includes the discarded matter packaging box ID of storage, discarded species, weight Amount, source, go out, entry time information, storage location (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 The data such as mark, the 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 The distance between mark thing.

Realize dangerous useless below in conjunction with Fig. 1-2 to the structure in closed warehouse 1 and under the control of intelligence control system The operation such as the warehouse-in of gurry, outbound illustrates.

Put into discarded matter packaging box after danger wastes being packed by the factory producing garbage, discarded matter packaging box sets It is equipped with RFID label tag, unification is transported to danger wastes intelligent storage feed proportioning system place workshop region by closed lorry 25, Carry out in-stockroom operation.Garbage march into the arena after through assay, manually input danger wastes composition, quality, product in rfid card The information such as raw producer, the discarded matter packaging box of each after typing is equipped with RFID label tag, for storing the species 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 Dangerous garbage loads and unloads the first inspection area of passage 2, first every case garbage is tested, is weighed, subsequently leads to assay Cross the RFID label tag on the discarded matter packaging box of rfid interrogator write or carry the RFID mark on the pallet discarding matter packaging box In label, assay is sent simultaneously to controller, is preserved assay write into Databasce by controller.Assay bag Include：Check-Out Time, discarded species, garbage the physical-chemical parameters, garbage source (as produced producer), weight etc..Inspection After finishing, lorry sails unloading area into and stops.

After stopping in loading dock, by fork truck 24 by discarded matter packaging box 26 or carry the pallet of discarded matter packaging box from Take off on lorry 25, be placed on garbage conveyer device 23, garbage conveyer device 23 can be conveying roller transporter, be used for By packing cratess 26 or carry this packing crates pallet send into closed warehouse 1.Garbage conveyer device 23 by packing cratess 26 by Feeding mouth 13 sends into closed warehouse 1.Feeding mouth 13 is normally opened opening.It is provided with rfid interrogator, for reading on feeding mouth 13 Take the FRID label information on discarded matter packaging box and write the information such as entry time, feeding mouth rfid interrogator to this label After reading the FRID label information on discarded matter packaging box, generate warehouse-in instruction, with the packing cratess FRID label information reading It is transferred to the controller of intelligent warehouse control system with the entry time writing this label together as warehouse-in information in the lump, control This information receiving is saved into data base by device, controls corresponding automatic cruising fork truck to carry out warehouse-in according to this information simultaneously and makees Industry.The danger wastes sending into closed warehouse 1 are mainly solid-state castoff or liquid garbage and paste garbage.

After receiving warehouse-in information, controller is put in storage control as follows：Storage location sets；Automatic cruising fork truck selects Select；Path computing；Input work controls.In detail below above warehouse-in control process is described.

Storage location sets：The inventory information table of storage in controller reading database, 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) it is compared one by one, when garbage kind of information and shelf are deposited When warehousing species category information is identical, then shows that this shelf area is used for storing such garbage, thereby determine that in this shelf area Store the garbage of this warehouse-in, after shelf area determines, controller reads the related inventory information of this shelf area, and which determines Shelf have vacant memory space, after determination, select one of shelf as target shelf, will be idle on this target shelf The memory space for storage package case be set to target storage space, storage location sets and finishes.Shelf area setting by with Lower rule：1st, compatibility rule：Same shelf can not store incompatible danger wastes, such as bronsted lowry acids and bases bronsted lowry can not be placed on same On shelf, to avoid chemical reaction, blast or to produce hypertoxic gas；2nd, store classifiedly rule：Chemical property is similar After danger wastes classification, such as it is 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 location sets, controller is wide to the automatic cruising fork truck in closed warehouse Broadcast 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., the closing in data base after controller receives response signal, according to fork truck position and reading The cartographic information in formula warehouse determines which idle fork truck apart from feeding mouth 13 recently, selects from the nearest idle fork truck of feeding mouth 13 Carry out input work as automatic cruising target fork truck.

Path computing：After automatic cruising fork truck selects to finish, the closed warehouse of storage in data base inquired about by controller Map, according to shelf location (coordinate), automatic cruising target fork truck position, calculates driving path.

Input work controls：After path computing finishes, controller sends input work instruction, this instruction bag to target fork truck Include：Warehouse-in packing cratess place feeding mouth ID, warehouse-in packing cratess ID, target shelf ID, target storage space ID, driving path.Mesh After mark fork truck receives input work instruction, the control unit of target fork truck control this fork truck according to input work instruction complete 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 near the feeding mouth of warehouse-in packing cratess place, when close to feeding mouth, read by the RFID reader of target fork truck 12 Get the RFID label tag on feeding mouth, obtain feeding mouth ID, fork truck control unit is by the pan feeding in the instruction of this ID and input work Mouth ID is compared, if unanimously, carries out pan feeding operation, if it is inconsistent, controlling fork truck to stop and send to controller Report to the police, according to this instruction works after the instruction further receiving controller.In the case of consistent, control unit passes through mesh Whether the fork truck that the range sensor of mark fork truck detects is close enough with both Distance Judgments of feeding mouth, when the two distance arrives When reaching given threshold, 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 cratess carrying on gurry conveyer device 23, when control unit judges that the tag ID reading and warehouse-in are made Industry instruction in comprise put in storage packing cratess ID identical when, control unit control fork truck by packing cratess from garbage conveyer device 23 insert Take off, and drive to target shelf according to driving path and packing cratess are loaded target storage space：Control targe fork truck is pressed According to when near driving path automatic running to target shelf, RFID label tag on the RFID reader target shelf of target fork truck, Obtain target shelf ID, this ID is compared by fork truck control unit with the target shelf ID in input work instruction, 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 through distance and is passed Whether the fork truck that sensor detects is close enough with both Distance Judgments of shelf, when the two distance reaches given threshold, control Unit processed controls fork truck stop motion；Control unit is by the target in the instruction of the ID of the memory space on this shelf and input work Memory space ID and being compared, if unanimously, carries out pan feeding operation, packing cratess are loaded into target goods by control targe fork truck In the target storage space of frame, if it is inconsistent, controlling fork truck to stop and send warning to controller, until receiving controller Instruction further after according to this instruction works.After loading finishes, loading is finished information and is sent to controller by control unit, control Device processed updates the data the inventory information table in storehouse：Increase this packing cratess entry time, warehouse-in species, weight in inventory information table Amount, storage location etc..

Due to burning disposal is mainly to the process of danger wastes, by the incinerated matter of different calorific values according to joining during burning Material scheme carries out incinerator pan feeding distribution, and intelligent storage control system of the present utility model also includes being arranged on Central Control Room (in figure Not shown) intelligent feed proportioning system, be used for carrying out intelligent dispensing：Intelligent feed proportioning system carries out calorific value selection first, that is, according to inspection The temperature of the incinerator measuring determines the calorific value of the danger wastes to incinerator conveying, such as burns furnace temperature and is less than predetermined combustion Burn temperature, then intelligent feed proportioning system selects the high garbage of the calorific value of stock, if burning furnace temperature is higher than predetermined burning temperature Degree, then the low garbage of the calorific value of intelligent feed proportioning system selection stock, preferably intelligent feed proportioning system determines to incinerator conveying Danger wastes thermal value range；After calorific value or thermal value range determine and finish, intelligent feed proportioning system carries out selecting specifically to give up Abandon type and quantity, i.e. other physicochemical properties according to the close danger wastes of the calorific value of storage in data base, for example The constituent content such as chemical compatibility/halogen/particle diameter/moisture content etc., it is determined that the danger wastes sent from closed warehouse 1 Species, quantity, and intended destination (delivered to any platform pre-processing device or processing equipment etc.) to be transported.Intelligent dispensing system System is completed the determination of intelligent proportion scheme by such as upper type, and sends the outbound instruction including proportion scheme, the party to controller Case includes outbound and discards species, quantity, sequentially.Controller completes following outbound control operation according to described outbound instruction：Root Discard species, quantity, sequentially determined which danger wastes that will store in closed warehouse according to the outbound in proportion scheme Carry out outbound (determining outbound target)；Automatic cruising fork truck selects；Path computing；Delivery controls.In detail below to Upper outbound control process 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：Inventory information inquired about by controller, and the storage location obtaining outbound target garbage (includes outbound target garbage Shelf ID, shelf coordinate and memory space ID, the memory space coordinate being located).

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, selecting from the nearest idle fork truck of the storage location of target garbage as automatically patrolling Boat target fork truck carries out Delivery.

Path computing：After automatic cruising fork truck selects to finish, the closed warehouse of storage in data base inquired about by controller Map, according to the automatic cruising fork truck position of storage location, selection, calculates driving path.

Delivery：Driving path calculates after finishing, and 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 given up Gurry packing cratess ID, driving path, intended destination (delivering to any 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 control targe fork truck completes Delivery：Fork truck automatic running is controlled to discard to outbound target according to driving path When near the shelf of thing place, RFID label tag on this shelf of the RFID reader of target fork truck, obtain shelf ID, fork truck controls single This ID is compared by unit with the outbound target garbage place shelf ID in Delivery instruction, if unanimously, is unloaded Carry operation and carry out discharging, if it is inconsistent, out of service and send warning to controller, until receiving the further of controller Instruct and according to this instruction works.In the case of consistent, the fork that the control unit of target fork truck is detected by range sensor Whether car is close enough with the distance between shelf the two distance of judgement, when the two distance reaches given threshold, control unit Control fork truck stop motion；Outbound target is discarded matter packaging box and is taken from target storage space by control unit control targe fork truck Go out.After taking-up, control unit controls fork truck that discarded for outbound target matter packaging box is sent the corresponding of warehouse according to driving path After discharging opening 14, the intended destination in pretreatment workshop unloads automatically.RFID is provided with the automatically-controlled door of discharging opening 14 reset Device, is zeroed out operation to the relevant information in the rfid card on matter packaging box discarded during outbound.After outbound finishes, control single Outbound is finished information and is sent to controller by unit, and controller updates the data the inventory information table in storehouse：Will in inventory information table The storage location that outbound target discards matter packaging box resets, and corresponding disposal information is removed, and records going out of this garbage The outbound such as storehouse time information.

So that fork truck loads, matter packaging box is discarded in unloading as a example carry out the explanation of warehouse-in, outbound above, in practice, discarded Matter packaging box can be carried on pallet, and fork truck can also be by plugging in loading and the unloading operation taking pallet to carry out garbage.

Closed particulate matter (coarse powder material) transfer passage 3 includes one or more air outlets 30 and (comes in and goes out in danger wastes During storehouse, described air outlet is closed), delivery port 31, particulate matter transporter 32 (as belt conveyer) and granule Thing storage device 33, the closed lorry 25 being mounted with 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, and the lorry that sail into can be claimed 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 is preserved.After being verified, lorry 25 sails unloading area into and stops.The graininess that lorry 25 loads is dangerous Garbage completes to unload after particulate matter transporter 32 conveying via delivery port 31, and a graininess danger wastes part is entered Enter waste treatment apparatus to be processed, another part is stored in particulate matter storage device 33, above graininess is dangerous useless The processing information of gurry, storage information (including two-part weight) equally pass to controller, are preserved this information by controller In data base.After lorry 25 unloading, the on-ground weigher in unloading area carries out secondary weighing to lorry, and weighing results are sent to control Device, this weighing results is sent to data base and is preserved by controller, the difference that controller calculating is weighed twice, obtains graininess The weight of garbage, and this gravimetric value is saved into data base.

The flow chart that Fig. 3 generally show the danger wastes pretreatment system according to the present invention.The danger of the present invention It is dangerous useless that garbage pretreatment system includes coarse powder material danger wastes unit, solid-state danger wastes pretreatment unit, paste Gurry pretreatment unit, extraordinary danger wastes pretreatment unit and liquid hazardous waste pretreatment unit, are respectively used to Dangerous useless to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes, extraordinary danger wastes and liquid Gurry carries out pretreatment.

Herein, coarse powder material danger wastes refer to its most of material being comprised be smaller in size than or be equal to 50 × 50 × 80mm, such as particulate material or powder danger wastes；Solid-state danger wastes generally refer to size be more than 50 × 50 × The solid-state danger wastes of 80mm.

Paste danger wastes are generally sticky semisolid, and feature is that viscosity is strong and poor fluidity, most of tool Irritant abnormal smells from the patient and there is toxicity.The paste danger wastes of organic are relatively conventional, and wherein the content of benzene, phenol and chlorine is relatively Height, for example, paint.

Also there are some paste danger wastes to be in solid-state under normal temperature state (less than 20 DEG C), present after temperature uprises Mobility and becoming relatively is glued (softening for example at 30 DEG C), for example essence, the residue of distillation.

Extraordinary danger wastes include solid-state danger wastes, liquid hazardous waste and the paste dangerous waste of special type Thing etc., the feature of this kind of material is that chemical property is more active, easily reacts with other materials, 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 materials, vigorous reaction occurs.

For the coarse powder material danger wastes coming from outside transport, solid-state danger wastes, paste danger wastes, special type Danger wastes and liquid hazardous waste, are carried out composition detection and by Central Control Room to these in advance in Central Control Room first Danger wastes carry out heat compatibility, so that there is the compatibility with criticizing between these materials that entrance incinerator is burned, Thus ensureing the safety of burning process, the calorific value entering each batch materials of incinerator also to be made to have stability simultaneously, from And can keep fully burning.

Specifically 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.Coarse powder material danger wastes are transported to thick powder carry through coarse powder material belt conveyor Storehouse, and be finally transported in sizing screen and sieved.Siftage (fines, it accounts for the major part of coarse powder material danger wastes) quilt It is 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 Processed again in dangerous garbage pretreatment unit.

Coarse powder material danger wastes pretreatment can also include mummification step, contain the moisture of 70-80% for mummification Then inorganic mud class material after mummification is transported to thick powder carry storehouse by inorganic mud class material.

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 used for carrying out pretreatment to solid-state danger wastes.Need broken solid-state Danger wastes pass through warehousing system and danger wastes will be sought out by fork truck as what compatibility calculated, and boosted machine is transported to brokenly Crushed in broken machine so that the material particular diameter after being crushed is less than or equal to 50 × 50 × 80mm.Solid-state after broken is dangerous useless Gurry is transported in agitating device.Solid-state danger wastes pretreatment also includes step of gathering dust, for collecting in shattering process The dust producing, and by collected dust with broken after solid-state danger wastes together be transported in storage warehouse and do not carry out Outer row.

Be provided with Calx feeding device (add Calx and to play the effect of presetting pH value) before storage warehouse, by Calx plus 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 with coarse powder material danger wastes (siftage) and paste danger wastes (be in Liquid) be shaped to the bulk of size uniform or rod shaped materials in agitating device together after be transported in storage warehouse, and from It is transported in CIU in storage warehouse and burned.

Paste danger wastes pretreatment unit includes being heated paste danger wastes in heater, so that Paste danger wastes are changed into that mobility is strong and object that be difficult that it is contacted forms the liquid of bonding.

Then, the paste danger wastes after heating are filtered, by the paste being in a liquid state danger wastes and solid-state Danger wastes and coarse powder material danger wastes stir molding together.In stirring, by adding flocculation aid and passing through to stir 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.In whipping process, flocculation aid used is for example, derived 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 used for carrying out pretreatment to extraordinary danger wastes, including to extraordinary dangerous Garbage carries out sealing subpackage (pack material), and the fractional pack special type danger wastes after subpackage are passed through to suspend supply unit in midair It is transported in CIU and burned.

Liquid hazardous waste pretreatment unit is used for carrying out pretreatment to liquid hazardous waste, so that liquid is dangerous useless Gurry is sufficiently mixed consequently facilitating burning.Liquid hazardous waste pretreatment is included liquid hazardous waste in receiver (example As filtering tank, filter) in filtered.

The solid-state danger wastes being filtered out from liquid hazardous waste are introduced in disintegrating machine and carry 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.Dangerous to liquid useless in 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 tanks are 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 Take out liquid hazardous waste in the storage tank of garbage and carry out compatibility therewith, so that the calorific value of the material in incinerator is uniformly, So as to realize the clean-burning purpose of material, conversely, 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. Also it is capable of the compatibility of material calorific value alternatively, it is also possible to the dispensing speed by adjusting measuring and dispensing system.

Danger wastes pretreatment system of the present utility model is air-tight state and is furnished with ventilating system, ventilating system sets It is equipped with absorbent charcoal adsorber, so that harmful gass will not be excessive, can fully prevent surrounding to be contaminated.

It should be noted that for the compatibility of material, refer to two kinds and the mixing of above danger wastes should prevent Situations below：Produce amount of heat or high pressure, produce flame, explode, produce inflammable gas, generation toxic gas, violent Polyreaction and noxious substance dissolving.

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 carry out compatibility to material, so that the calorific value of material is as far as possible between certain 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 too low, needs to start auxiliary fuel system so that trash burning completely, causes operating cost Increase；Calorific value is too high, so that the furnace temperature of incinerator is difficult to control to, and setting needs to limit stove with inert substance (excess air, water etc.) Temperature, makes disposal ability decline simultaneously.The calorific value of therefore material needs to control in a suitable scope it is ensured that system operation Economic and reliable.

When compatibility is carried out to material it is also noted that following several situation：

1) control the content of acid contaminant.Control acid contaminant content with ensure CIU normal operation and The qualified discharge of tail gas.Halogenated organic not only affects the calorific value of waste, also impact trash burning after content of acid gas and The operation of smoke processing system, controls the unreasonable generation also easily causing chlorine, and its corrosivity is bigger.Meanwhile, should during operation Labor is carried out to material, the hazardous waste that those content of halogen are high, quantity is big should be tried one's best and uniformly burn, and should control whole Body quantity.

2) control the content of heavy metal, to ensure the normal operation of CIU and the qualified discharge of tail gas when burning. Organic heavy metal class material should control overall quantity uniformly to enter stove burning.Due to the toxicity characteristic of these wastes, typically adopt bucket The mode that shape waste enters stove is processed, and can be controlled in each content and number of times.

3) control the content of phosphorus.In hazardous waste, phosphorus is mainly organic phosphorus compound, burns the P2O5 producing in 400-700 DEG C can to metal produce increase corrosion, if not controlling the content of phosphorus, waste heat boiler service life can greatly shorten.

4) reduce the uncontrollable discharge of smell substance.For the hazardous waste that abnormal flavour is larger, that can directly burn should reduce Its compatibility operates.Not directly burn, volatilize during will strictly controlling its compatibility.

After above-mentioned pretreating process, danger waste forms bulk material, sacked material and liquid object three major types, same class material Physics and chemical characteristic close.This utility model separately designs to enter accordingly based on the morphological character of above-mentioned three major types material Material system to convey to treat burning danger waste to CIU, thus effectively preventing deflagration event in existing " ground pit type " pan feeding mode Generation.

Referring to Fig. 4, bulk material feed system, packed is mainly included according to danger waste separation feed system of the present utility model Material feed system and liquid object feed system, are respectively intended to useless to CIU 100 conveying bulk material, sacked material and liquid danger Thing.

Bulk material feed system is mainly included under feeding bin 201, the first weigher 203, the 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 202 201 top, and enter feeding bin 201 from material inlet 211.

Because bulk material passes through, during the formula conveying of storehouse (dependence gravity), easily knot storehouse (flow stagnation) phenomenon in storehouse, Once the consequence that knot storehouse leads to is very serious, often accommodates the material from several to tens tons in storehouse, often can only disassemble feed bin Material could be derived.In order to prevent and dissolving the generation of this phenomenon in advance, spy is provided with the first weigher 203 to this utility model Prejudged with the second weigher 205.First weigher 203 is weighed for feeding bin 201 is carried out with entirety, the second meter Amount scale 205 is used for the material sent from the material outlet 212 of feeding bin 201 is weighed.First weigher 203 preferably employs Load sensor, is arranged on the outside of feeding bin 201.Second weigher 205 preferably employs volume measurement scale, thus can be continuous Conveying material, and energy metering material volume, are multiplied by, with the volume of material of metering, the weight that material proportion can draw conveying material.

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 dispersion, the second weigher 205 is delivered to by spiral reamer 204, by second Weigher 205 conveys to CIU 100 through rotary feeder 206 after weighing.One timing is measured by the second weigher 205 The interior weight of material to CIU 100 conveying is m₂, the net 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 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.Squeeze into height for example with air bubble in feeding bin 201 bottom is to feeding bin 201 Pressure air is vibrated, so that knot storehouse phenomenon was just dissolved in the budding stage, thus ensureing continuous production, greatly improves production Efficiency.

Rotary feeder 206 is adopted to convey bulk to CIU 100 in bulk material feed system of the present utility model Material, can either continuous conveying material, can effectively block in CIU 100 the high hot-air anti-channeling upwards of burning again.

According to bulk material feed system of the present utility model, the company between elevator 202, elevator 202 and feeding bin 201 Transfer pipeline between adapter road and feeding bin 201 and CIU 100 all adopts closed.Bulk material 220 was conveying Carry out all in closing space in journey, thus preventing the harmful gass volatilizing in danger waste from outwardly discharging.In order to prevent There is deflagration accident having in elevator 202 and feeding bin 201, 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 the flammable explosive gas of extraction are directly led to Enter CIU 100 to be burnt.Dust-precipitator 208 can be set before extractor fan 209, and the dust that dust-precipitator 208 is collected passes through lock Wind blanking device 219 is delivered in elevator 202 and conveys to CIU 100.In addition, the top in feeding bin 201 is acceptable It is provided with explosion-proof valve 214, further ensure that safety.

Sacked material feed system mainly includes suspended chain 251, hopper 252 and upper push-pull valve 253 and lower plugboard valve 254.Charging start before, upper and lower push-pull valve 253 and 254 all in closed mode, when sacked material 250 falls into from suspended chain 251 When in hopper 252, upper push-pull valve 253 is opened makes sacked material 250 fall on lower plugboard valve 254, then goes up push-pull valve 253 and closes, Open lower plugboard valve 254, sacked material 250 automatically falls into CIU 100 and burned.By upper and lower two push-pull valves repeatedly Cooperation can completely cut off the high hot-air anti-channeling upwards of burning in CIU 100.Sacked material 250 is weighed in advance and is hung by control The transporting velocity of chain 251 is controlling the charging rate of sacked material 250.

In a specific embodiment of the present utility model, bulk material 220 and bag-shaped material that bulk material feed system conveys After the sacked material 250 of feed system conveying can converge before CIU 100, CIU is entered by same blanking scraper-trough conveyer 100, thus the feeding inlet structure setting of optimization of combustion system 100.Certainly, in other embodiments, bulk material feed system is defeated The sacked material 250 of the bulk material 220 sending and the conveying of bag-shaped material feed system can also pass through Y type blanking scraper-trough conveyer respectively and enter burning System 100.

Liquid object feed system 300 using multichannel nozzle be respectively intended to CIU 100 conveying high heating value, middle calorific value and Low heat value liquid.Need to select to supply the liquid of different calorific values so as to the technique according to CIU 100.Each road nozzle Before can be connected with effusion meter come to carry out measure liquid endanger waste inlet amount.

Referring to 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 bulk material feed system mentioned above and sacked material feed system again), kiln tail is and secondary combustion chamber 120 lower seal connects, and the top of secondary combustion chamber 120 is connected with exhaust treatment system 500 by pipeline, secondary combustion chamber 120 bottom is connected with slag-tapping system.Wherein, rotary kiln 110 and secondary combustion chamber 120 are also connected with natural gas station 400 respectively, Carry out lighting a fire and combustion-supporting to rotary kiln 110 and secondary combustion chamber 120 respectively by auxiliary burner 401 and 402.Rotary kiln 110 With temperature monitor and oxygen content monitor are respectively arranged with 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 There are two belt wheels and a bull gear, drive mechanism drives the bull gear on body by little gear, then pass through bull gear band Dynamic rotary kiln body rotates.The transmission downward for ensureing material, rotary kiln 110 must keep certain gradient, and this practicality is new In type, 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.Kiln Interior volume heat load is 20～44kg/ (m³·h).

Secondary combustion chamber 120 top is cylindrical structure, and liner material turns+light weight fireclay brick+calcium silicate board for high alumina, outward Steel plated.Secondary combustion chamber 120 bottom has taper necking, and taper necking bottom is provided with air cooling slag hoist 121.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, the bulk material 220 of different calorific values, sacked material 250 and liquid object are pressed after predetermined calorific value compatibility respectively Send in rotary kiln 110, blast air by being arranged on the primary blower 111 of kiln hood into kiln, and pass through auxiliary combustion Device 401 is lighted a fire.Under rotary kiln 110 continuously rotates, material do not stop to stir in kiln, heats, is dried waste, it is gentle to decompose Change.The ignition temperature of rotary kiln 110 controls at 700～850 DEG C, and, less than 2%, material is in rotary kiln for remaining Control for Oxygen Content The time of staying in 110 is about 20-45min.Under this process conditions, material is incinerated into high-temperature flue gas and slag.Burning The flue gas producing enters secondary combustion chamber 120 from kiln tail, is burned further here.By secondary blower 122 to two Blast secondary wind in level combustor 120, and carried out by auxiliary burner 402 combustion-supporting.By positioned at secondary combustion chamber 120 flue gas Thermocouple on exhaust pass and oxygen content detector are detecting oxygen content in furnace temperature and aerofluxuss, 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 preferred embodiment of the present utility model, the ignition temperature in secondary combustion chamber 120 controls 1100～1200 DEG C, remaining Control for Oxygen Content is less than 8%.Flue gas secondary combustion chamber 120 the time of staying 3.5 seconds with On.With this understanding it is ensured that the danger waste entering incinerator fully thoroughly burns completely, and two English in flue gas and The 99.99% of other oxious components is decomposed.

Slag-tapping system mainly includes air cooling slag hoist 121.Referring to 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 is connected 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 blasting from air inlet 133 is slagged tap air-cooled Enter 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.

Referring to Fig. 6-8, in one embodiment, air cooling slag hoist 121 includes shell body 130 and is located 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 is connected with the burner hearth of secondary combustion chamber 120 Logical, for receiving slag.Comb type cooling bed 132 includes grate plate 140, and grate plate 140 front end is located at below slag inlet 131, grate plate 140 end Adjacent with slag notch 134.Array air vent is evenly distributed with grate plate 140, the aperture of air vent be arranged to make cold wind under Up pass through but slag will not down spill.Multiple row motion beam 150 is provided with grate plate 140, each column motion beam 150 is spaced and sets It is equipped with multiple stick pushers 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, convey along slag for powered motion beam 150 Direction A moves back and forth, for example can be motion beam 150 is driven using air cylinder driven mode.By motion beam 150 Reciprocating motion can effectively prevent the bonding of high-temperature fusion slag；Slag is promoted to slag notch 134 by stick pusher 151 simultaneously Slow wriggling.Stick pusher 151 is divided into inclined plane 152 and vertical plane 153 such that it is able to swimmingly guide along slag conveying direction A Slag conveys to slag notch 134.

It is provided with air inlet pipeline, air inlet pipeline is divided into air intake house steward 180 and winding pipe 181, and in figure is shown below grate plate 140 In the embodiment going out, air intake house steward 180 is be arranged in parallel with the length direction of grate plate 140, uniformly draws upwards from air intake house steward 180 Go out multiple row winding pipe 181, the air inlet 133 of air inlet pipeline is connected with secondary blower 122.Secondary blower 122 drum The cold wind entering uniformly is blowed to the array air vent of grate plate 140 through air inlet pipeline.

In preferred embodiment of the present utility model, grate plate 140 end is provided with ramp type and slags tap baffle plate 170, by going out The height of slag baffle plate 170 adjusting the thickness of slag layer in grate plate 140 so that the thickness of slag layer in grate plate 140 maintains necessarily Thickness, the slag that lower floor is cooled can play a protective role to grate plate 140.

Danger waste is different from conventional house refuse.In conventional house refuse, silico-calcium constituent content is big, the stove producing after burning Slag exists in solid form；Solid-state slag is all easily achieved using water-cooled or air-cooled pattern.And silico-calcium contains in waste of endangering Amount is low, and magnesium, aluminum, fluorine element content are high, and therefore after high temperature incineration, slag is in molten state；Slag due to molten state is easy to cementing machine Device, the air-cooled forbidden zone being considered as by the technical staff of danger incineration of waste process field always being difficult to, can only be using conventional water Chill formula.And this utility model, by the structure design of above-mentioned air cooling slag hoist 121 and motion mode, can effectively overcome high temperature The bonding of molten slag, so that the danger air-cooled pattern of incineration of waste slag is achieved.

Another advantage of the present utility model is：The slag of secondary combustion chamber 120 bottom is directly and secondary wind carries out heat friendship Change.This air-cooled pattern can make secondary wind be preheated, and improves the efficiency of combustion of secondary combustion chamber 120；In addition, after air-cooled Slag can directly pass through (closed) conveyer 123 and be delivered to slag storehouse 124 to be stored.Slag storehouse 124 bottom is provided with out Slag valve 126, valve 126 of slagging tap can be connected with automobile loading spout 127, can be in completely enclosed state by automobile loading spout 127 The lower freight house conveying slag to automobile 128.This slag treatment mode overcomes slag in existing water-cooled pattern needs dry in the sun Problem, has fully saved the energy and water resource, and environment is not caused with any pollution.

Referring to Fig. 9, exhaust treatment system 500 mainly includes waste heat boiler 510, chilling tower 520, activated carbon dusting device 530th, 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 adopts Radiation heat transfer mode, radiation heat transfer is that the water in pipeline is heated into steam, pipeline heat exchange by way of radiation heat transfer by flue gas Manage as finned membrane wall passage.Radiation heat transfer, due to being arrangement of cavities, is difficult dust stratification, and deashing is more convenient.This practicality The heat exchange mode of new employing full film type wall, is equipped with deashing device, it is to avoid the phenomenon of coking occurs simultaneously.

SNCR (selective non-catalytic method) can be arranged 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 spraying into, and in flue gas, NOx component is O2's In the presence of with carbamide occur reduction reaction, meanwhile urea liquid moisture all vaporized by flue gas and take away.Control ammonia nitrogen ratio, The reduction efficiency of NOx is 50%.

Expansion chamber is set 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, can avoid two English and the temperature province of furan regeneration.

Bootstrap system utilizes the waste heat for generating steam in flue gas.Steam in addition to personal, after remaining reduces pressure as needed For production and application.Additionally, the steam that bootstrap system produces, by access industrial garden steam pipe system, uses for garden enterprise.

High-temperature flue gas temperature after waste heat boiler 510 is down to 550 DEG C, enters chilling tower 520, chilling through flue from top Pressure type shower nozzle 522 is arranged on tower 520, shower nozzle 522 is connected with the alkali liquor pond 521 equipped with sodium hydroxide.In the presence of high pressure, The effect through moment blood pressure lowering when spiral diffusion and ejection for the sodium hydroxide solution within shower nozzle 522, 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 rapidly at short notice, 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 evaporation, There is neutralization reaction with acid gas in flue gas in sodium hydroxide.Due to flue gas, between 200-500 DEG C, the time of staying is less than 1s, because This prevents the resynthesis of two English.

The system uses sodium hydroxide solution, and the deacidification effect of smoke processing system is more guaranteed.Chilling alkali liquor Injection flow rate automatically adjusts according to flue gas exit temperature, and when this temperature is higher than design temperature, the chilling alkali liquor amount that nozzle sprays increases Plus, conversely, then reducing chilling alkali liquor amount.Due to entering the material of incinerator 100 through a series of pre- place such as broken, quenched Reason, so the composition of incineration flue gas middle acid substance will not occur acute variation, sodium hydroxide therefore 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, this utility model adopts activated carbon dusting device 530 to the Venturi tube 533 injection powdered carbon being arranged in flue gas pipeline, using two English and weight in active carbon powder absorption flue gas The noxious substances such as metal are reaching the purpose of flue gas high-efficient purification.Because activated carbon has great specific surface area, therefore, even if It is a small amount of activated carbon, as long as mixing homogeneously with flue gas and long enough time of contact is it is possible to reach high adsorption cleaning efficiency.Live Property charcoal and flue gas the inner strong turbulent flow of the Venturi tube 533 being uniformly combined by being arranged on flue realize, live Property charcoal is uniformly sprayed in flue gas, and mix homogeneously has reached good adsorption effect.Activated carbon is strong with flue gas in the duct After uniformly mixing, reach efficient absorption effect, but adsorbing in pipeline be not up to saturation, after subsequently entering together with flue gas again In continuous sack cleaner 540, rest on filter bag, be fully contacted with the flue gas slow transitting through filter bag, reach to weight in flue gas The adsorption cleaning of the pollutant such as metal 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 this utility model, to ensure specific surface area and absorbability, activated carbon is added to even Continuous operation, controls activated carbon addition by frequency conversion batcher.Activated carbon quantity delivered is with incinerator 100 load adjustment with according to fixed The heavy metal of phase and two English Monitoring Data give to adjust signal.

When flue gas is by the outer filter bag through sack cleaner 540, 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 in the dust of filter bag outer surface Plus, so that dust remover resistance is increased, for making equipment resistance maintain in the range of restriction it is necessary to regular elimination is attached to filter bag surface Dust：Controlled by PLC and periodically trigger each control valve unlatching in order, so that gas bag compressed air is sprayed by injection tube eyelet, lead to Cross Venturi tube, inducing peripheral air enters filter bag, so that filter bag is drastically expanded in a flash, and the back action along with 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, this utility model exists Activated-charcoal column 550 is also set up on the flue gas flow path of sack cleaner 540, the dioxin substance of eliminating minute can be gone further.

Washing deentrainment tower 560 is removal further to pollutant in flue gas, by neutralization reaction, the effect scrubbed, 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, automatic detection and control are realized to the pH value of alkali liquor.Control system according to The change of pH value automatically adjusts 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 in that divergent shape enters the wash tower bottoms being located above circulating water chennel, so Continue vertically up to pass through dry load layer afterwards, the absorption of sour gas just occurs at this position.By the shower nozzle with 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 cleaning demister can be sprayed into off and on, the water isolated is entered wash tower bottoms.To be recycled After saturation, 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, temperature to be brought up to after 120 DEG C, enters back into tail exhaust blower 580.Flue gas heater 570 is permissible It is thermal source using the steam of waste heat boiler 510 or the flue gas of high temperature section.

Stay sample tap and on-line checking mouth in chimney 590, join a set of flue gas on-line measuring device, 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 burns Burn workshop DCS system, by host computer, show and record, use for environment care provider analysis in factory.SO₂And HCl number According to also transmitting to deacidification system, with the operational factor of the content numerical control deacidification system of discharge gas middle acid substance, thus Ensure that fume emission is qualified.Smoke on-line monitoring system is furnished with data remote unit, using local networks and Environmental Protection Agency's environmental protection letter Monitoring Data can be reported relevant environment monitoring department by breath Platform communication.

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 entrance flying dust storehouses 513, flying dust storehouse 513 can be connected with automobile loading spout 516, can be complete by automobile loading spout 516 Convey slag to the freight house of automobile 517 under closed state, landfill yard is transported to by automobile 517 and carries 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.This flying dust processing mode does not cause any pollution to environment.

Higher gas cleaning rate be can reach in the case of making full use of waste heat by above-mentioned exhaust treatment system 500, Can be to dust, sour gas, NO_X, two English, the pollutant such as heavy metal purified, reach statutory emissions regulations.

Claims (9)

1. a kind of danger wastes cleaning treatment system it is characterised in that include intelligent storage feed proportioning system, pretreatment system, Feed system, CIU and exhaust treatment system；

Wherein intelligent storage feed proportioning system includes closed warehouse, closed danger wastes handling passage, closed particulate matter Transfer passage and closed pretreatment workshop；Wherein：

Closed danger wastes load and unload the first side setting that passage is close to closed warehouse；Closed particulate matter transfer passage is tight This of adjacent and closed warehouse first is arranged in vertical second；Closed pretreatment workshop be close to closed warehouse this The opposite side setting on one side；And closed pretreatment workshop is directly connected with closed particulate matter transfer passage；

Closed danger wastes handling passage, closed particulate matter transfer passage, closed pretreatment workshop and closed storehouse Respectively there is the adjacent wall of one side in storehouse；

Closed warehouse, is provided with feeding mouth and discharging opening, and closed danger wastes handling passage is passed 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, each shelf body all includes multiple memory spaces, and each memory space is equal Corresponding with unique three-dimensional coordinate point, for storing discarded matter packaging box, shelf body and each memory space are 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 used for reading shelf, memory space, the RF I D label on container, Distance-sensing Device is used for detecting the distance between fork truck and object；

Feeding mouth is provided with RF I D read write line, for the discarded matter packaging box being transported into warehouse by garbage conveyer device RF I D label be read out information or write information operation；

It is provided with entrance in closed danger wastes handling passage end, the other end is provided with outlet, is provided with useless in the channels Gurry conveyer device, for conveying danger wastes to closed warehouse, this garbage delivery device body major part is arranged on In closed danger wastes handling passage, remainder is arranged in closed warehouse through feeding mouth.

2. danger wastes cleaning treatment system according to claim 1 is it is characterised in that wherein intelligent storage dispensing system System also includes intelligent storage control system；Wherein：

Described intelligent storage control system includes controller database；

Data base is used for preserving inventory information table and the map in closed warehouse；

Controller is used for danger wastes intelligent storage feed proportioning system being controlled and data base is written and read operating, and controls Pass through wireless communication connection between device and RF I D read write line, automatic cruising fork truck.

3. danger wastes cleaning treatment system according to claim 1 is it is characterised in that wherein pretreatment system includes Coarse powder material danger wastes pretreatment unit, solid-state danger wastes pretreatment unit, paste danger wastes pretreatment unit With liquid hazardous waste pretreatment unit, it is respectively used to dangerous to coarse powder material danger wastes, solid-state danger wastes, paste Garbage and liquid hazardous waste carry out pretreatment, form physical property uniform bulk material, sacked material and liquid after pretreatment Thing three class treats incinerated matter.

4. danger wastes cleaning treatment system according to claim 1 is it is characterised in that wherein feed system includes dissipating Shape material feed system, sacked material feed system and liquid object feed system, defeated to CIU in the way of continuous, airtight respectively Send bulk material, sacked material and liquid danger waste.

5. danger wastes cleaning treatment system according to claim 4 is it is characterised in that wherein bulk material feed system Including：

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, for weighing to feeding bin；

Second weigher, is arranged on below feeding bin, for weighing to discharging；And rotary feeder, import and second Weigher connects, and outlet is connected with CIU.

6. danger wastes cleaning treatment system according to claim 1 is it is characterised in that CIU includes rotary kiln And secondary combustion chamber, the kiln tail of rotary kiln is connected with the lower seal of secondary combustion chamber.

7. danger wastes cleaning treatment system according to claim 6 is it is characterised in that wherein secondary combustion chamber bottom Be provided with air cooling slag hoist, after secondary wind and slag heat exchange, enter secondary combustion chamber's burning, air-cooled after slag directly convey To slag storehouse.

8. danger wastes cleaning treatment system according to claim 6, danger wastes cleaning treatment system wherein tail Gas processing system includes waste heat boiler, chilling tower, activated carbon dusting device, sack cleaner, active carbon adsorption column, washing demisting Tower, flue gas heater, exhaust blower and chimney.

9. danger wastes cleaning treatment system according to claim 8, wherein secondary combustion chamber and waste heat boiler it Between pipeline on be provided with SNCR denitration device.