CN108800152A - Danger wastes cleaning treatment system with classification closed-type feed system - Google Patents

Danger wastes cleaning treatment system with classification closed-type feed system Download PDF

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Publication number
CN108800152A
CN108800152A CN201810668131.5A CN201810668131A CN108800152A CN 108800152 A CN108800152 A CN 108800152A CN 201810668131 A CN201810668131 A CN 201810668131A CN 108800152 A CN108800152 A CN 108800152A
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China
Prior art keywords
closed
danger wastes
waste
pretreatment
warehouse
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CN201810668131.5A
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Chinese (zh)
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CN108800152B (en
Inventor
杨盛林
苗豪梅
高松
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BEIKONG ANNAIDE ENVIRONMENT TECHNOLOGY DEVELOPMENT CHANGZHOU Co.,Ltd.
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Beijing Beikong Environmental Protection Engineering Co Ltd
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Priority to CN201810668131.5A priority Critical patent/CN108800152B/en
Publication of CN108800152A publication Critical patent/CN108800152A/en
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Publication of CN108800152B publication Critical patent/CN108800152B/en
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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
    • 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
    • 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
    • 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 with classification closed-type feed system, including intelligent storage feed proportioning system, pretreatment system, feed system, incineration system and exhaust treatment system.Danger wastes cleaning treatment system using the present invention, danger wastes in factory in transport process all in enclosure space, any pollution will not be generated to ground and outside air；Classification pretreatment is carried out to danger wastes and is fed by physical property matching, not only can guarantee the stabilization of burning process, but also the generation of safety accident can be prevented.

Description

Danger wastes cleaning treatment system with classification closed-type feed system
The application is to be August in 2016 1 application No. is " 201610622503.1 ", the applying date, is entitled " dangerous The divisional application of the application for a patent for invention of waste cleaning treatment system ".
Technical field
The present invention relates to hazardous waste disposal fields.
Background technology
Danger wastes (dangerous waste object) refer to corrosivity, toxicity, inflammability, reactivity or infectivity etc. it is a kind of or The waste of several hazard properties of person.With the development of industry, industrial processes discharge dangerous waste object it is increasing, how into Row safely and efficiently handles environmentally safe be of great significance.
In existing dangerous waste object burning processing system, usually the dangerous waste object of various forms is mixed and is temporarily stored into melt pit It is interior, waste is picked up by claw bucket sling and enters kiln.Since the physical property of different dangerous waste objects is different, mixes and be easy to happen danger, the country is A lot of interior hole explosions, deflagration event occurs.In addition, " ground pit type " pan feeding mode has pollution to environment, (exhaust gas is externally arranged naturally It puts).
In addition, the calorific value stability of dangerous waste object to be burned not only influences the dosage of incinerator auxiliary fuel, can also influence to burn Burn the processing capacity of stove.Calorific value is too low, needs to start auxiliary fuel system so that trash burning is complete, operating cost is caused to increase Add；Calorific value is too high, and incinerator furnace temperature is made to be difficult to control, and setting needs to limit furnace temperature with inert substance (excess air, water etc.), together When so that processing capacity is declined.Therefore the calorific value of hazardous waste needs to control in an appropriate range, ensures incineration system warp The reliable operation of Ji.Also, in existing rotary kiln adds the incineration system of secondary combustion chamber, due in design and processes control Defect, lead to problems such as waste that can not be grilled thoroughly in rotary kiln, secondary combustion chamber supplement fuel consumption it is big, make rotary kiln and The efficiency of combustion of secondary combustion chamber cannot achieve optimization.
In addition, there is also many deficiencies, such as clinker in clinker and vent gas treatment for existing danger waste treatment system Water cooling pattern is generally used, not only consumed energy but also polluted ground；Vent gas treatment difficulty is big, discharge is not easy the problems such as up to standard.
Invention content
The purpose of the invention is to overcome the problems, such as in above-mentioned background technology some or it is certain, a kind of dangerous waste is provided Object cleaning treatment system.
Danger wastes cleaning treatment system according to the present invention include intelligent storage feed proportioning system, pretreatment system, into Material system, incineration system and exhaust treatment system.
Wherein intelligent storage feed proportioning system include closed warehouse, closed danger wastes handling channel, closed Grain object transfer passage and closed pretreatment workshop；Wherein：
The first side that closed danger wastes load and unload channel close to closed warehouse is arranged；Closed particulate matter conveying is logical Road first is arranged at vertical second close to this with closed warehouse；Closed pretreatment workshop is close to closed warehouse The opposite side on first side is arranged；And closed pretreatment workshop is directly connected to closed particulate matter transfer passage；
Closed danger wastes handling channel, closed particulate matter transfer passage, closed pretreatment workshop and closing The wall that formula warehouse respectively has one side adjacent；
Closed warehouse is provided with feeding mouth and discharge port, closed danger wastes handling channel and closed warehouse It is connected to by feeding mouth, closed pretreatment workshop is connected to closed warehouse by discharge port；Closed store interior setting There are multiple rows of shelf, be additionally provided with more automatic cruising fork trucks, each shelf ontology includes multiple memory spaces, and each storage is empty Between it is corresponding with unique three-dimensional coordinate point, for storing discarded matter packaging box, shelf ontology and each memory space are equal RFID tag is set, and automatic cruising fork truck includes control unit, RFID reader and range sensor, and control unit control is automatic It cruises the work of fork truck, RFID reader is used to read shelf, memory space, the RFID tag on container, and range sensor is used In detection the distance between fork truck and object；
Feeding mouth is provided with RFID reader, for the discarded matter packaging box to being transported into warehouse by waste conveying device On RFID tag be read out information or be written information operation；
It is equipped with entrance in closed danger wastes handling passage end, the other end is equipped with outlet, is arranged in the channels There is waste conveying device, for conveying danger wastes to closed warehouse, which largely sets It sets in closed danger wastes load and unload channel, rest part is arranged by feeding mouth in closed warehouse.
Intelligent storage feed proportioning system further includes intelligent storage control system；Wherein：
The intelligent storage control system includes controller and database；
Database is used to preserve the map of inventory information table and closed warehouse；
Controller is used to danger wastes intelligent storage feed proportioning system control and is written and read operation to database, It is connected by radio communication between controller and RFID reader, automatic cruising fork truck.
In one particular embodiment of the present invention, wherein pretreatment system includes that the pretreatment of coarse powder material danger wastes is single Member, solid-state danger wastes pretreatment unit, paste danger wastes pretreatment unit and liquid hazardous waste pretreatment are single Member is respectively used to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes and liquid hazardous waste It is pre-processed, forms the uniform bulk material of physical property, sacked material and liquid object three classes after pretreatment and wait for incinerated matter.
In another specific embodiment, wherein feed system include bulk material feed system, sacked material feed system and Liquid object feed system, respectively to incineration system conveying bulk material, sacked material and liquid dangerous waste in a manner of continuous, closed Object.
In a preferred embodiment, wherein bulk material feed system includes：
There is feeding bin closing shell, shell to be 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 below feeding bin, for weighing to discharging；And
Rotary feeder, import are connect with the second weigher, and outlet is connect with incineration system.
In another specific embodiment, incineration system includes rotary kiln and secondary combustion chamber, the kiln tail of rotary kiln and two The lower seal connection of grade combustion chamber.
Under preferable case, wherein secondary combustion chamber bottom is provided with air cooling slag hoist, and Secondary Air and clinker heat exchange are laggard Enter secondary combustion chamber burning, it is air-cooled after clinker be fed directly to clinker storehouse.
In another specific embodiment, wherein exhaust treatment system includes that waste heat boiler, chilling tower, activated carbon dust dress It sets, bag filter, active carbon adsorption column, wash deentrainment tower, flue gas heater, exhaust blower and chimney.
Under preferable case, wherein being provided with SNCR denitration device on pipeline between secondary combustion chamber and waste heat boiler.
Danger wastes cleaning treatment system using the present invention has the following advantages that：
(1) danger wastes in factory in transport process all in enclosure space, ground and outside air will not be generated Any pollution.
(2) classification pretreatment is carried out to danger wastes and is fed by physical property matching, both can guarantee the stabilization of burning process, The generation of safety accident can be prevented again.
(3) burning process is accurately controlled, it is ensured that danger incineration of waste is thorough, and can be saved using air-cooled clinker The energy and resource improve production efficiency.
Description of the drawings
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 incineration system flow chart；
Fig. 6 is the stereoscopic schematic diagram of air cooling slag hoist in incineration system；
Fig. 7 is the comb type cooling bed stereoscopic schematic diagram in air cooling slag hoist shown in Fig. 6；
Fig. 8 is the section view schematic front view of air cooling slag hoist shown in Fig. 6；And
Fig. 9 is exhaust treatment system flow chart.
Specific implementation mode
Detailed description of the present invention dangerous waste object cleaning treatment system below in conjunction with the accompanying drawings.Those skilled in the art should manage Solution, the embodiments described below are only to make any restrictions not for it to the exemplary illustration of the present invention.
Danger wastes cleaning treatment system according to the present invention includes mainly intelligent storage feed proportioning system, pretreatment system System, feed system, incineration system and exhaust treatment system.Each system is illustrated separately below.
As shown in Figs. 1-2, intelligent storage feed proportioning system includes mainly four parts：Closed warehouse 1, closed dangerous waste Object loads and unloads channel 2, closed particulate matter transfer passage 3, closed pretreatment workshop 4.The closed danger wastes handling First side 15 in channel 2 close to closed warehouse 1 is arranged；Closed particulate matter transfer passage 3 close to closed warehouse 1 should First 16 settings at vertical second；The opposite side on closed pretreatment workshop 4 close to first side in closed warehouse 1 is set It sets；And closed pretreatment workshop 4 is interconnected with closed particulate matter transfer passage 3, the two is integrally L-shaped.So-called closing Formula refers to：It is closed warehouse 1, closed danger wastes handling channel 2, closed particulate matter transfer passage 3, closed pre- Handle roof of the workshop 4 all with four walls of four walls and covering.Closed danger wastes handling channel 2, closed particulate matter The wall that transfer passage 3, closed pretreatment workshop 4 respectively respectively have one side adjacent with closed warehouse 1.This setup, it is empty Between utilization rate it is big, function is well defined, it is easy to accomplish.
Closed warehouse 1 is provided with multiple feeding mouths 13, shelf 11 and multiple discharge ports 14, includes in closed warehouse 1 Multiple automatic cruising fork trucks 12.Feeding mouth 13 is in normally open, and feeding mouth 13 is connected to closed warehouse 1 and closed danger is useless Gurry loads and unloads channel 2, is provided with waste conveying device 23 in closed danger wastes load and unload channel 2, is used for warehouse Danger wastes are conveyed, which is largely arranged in closed danger wastes load and unload channel 2, Rest part is arranged by feeding mouth 13 in closed warehouse 1.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, 11 ontology of shelf and each memory space are all provided with RFID tag is set, shelf ID and memory space ID are preserved.Unified three-dimensional system of coordinate is arranged in closed warehouse 1, to determination The coordinate of feeding mouth 13, discharge port 14, shelf 11, memory space, automatic cruising fork truck 12 etc..Each memory space etc. with only One three-dimensional coordinate point is corresponding.
Danger wastes intelligent storage feed proportioning system further includes intelligent storage control system as shown in Figure 5, the control system System includes controller, wind turbine sensor, hazardous gas concentration detector, RFID reader, input port door switch, database.Control Device processed for controlling danger wastes intelligent storage feed proportioning system overall operation, controller and wind turbine, wind turbine sensor, Wired connection between hazardous gas concentration detector, door switch detector, controller and RFID reader, automatic cruising fork truck it Between to be wirelessly connected, database (includes the discarded matter packaging box ID of storage, discards species, again for preserving inventory information table Amount, source, go out, entry time information, storage location (shelf ID, memory space ID, shelf coordinate, memory space coordinate), goods Frame region setting information (shelf ID, shelf area coordinate, racks store type of merchandize) etc.), feeding mouth coordinate, discharge port sit The data such as map of mark, closed warehouse.Automatic cruising fork truck include control unit, RFID reader, wireless communication device, away from From sensor, the wherein work of control unit control automatic cruising fork truck, RFID reader for read shelf, memory space, RFID tag on container, wireless communication device are used to wirelessly communicate with controller, and range sensor is for detecting fork truck and mesh Mark the distance between object.
It is dangerous useless below in conjunction with being realized under structures of the Fig. 1-2 to closed warehouse 1 and the control in intelligence control system The operations such as storage, the outbound of gurry illustrate.
It is put into discarded matter packaging box after being packaged danger wastes by the factory of generation waste, is set on discarded matter packaging box It is equipped with RFID tag, it is unified to be transported to workshop region where danger wastes intelligent storage feed proportioning system by closed lorry 25, Carry out in-stockroom operation.Waste march into the arena after through assay, danger wastes ingredients, quality, production are manually inputted into RFID card The information such as producer are given birth to, RFID tag is equipped on the discarded matter packaging box of each after typing, for storing the type of cargo, coming The information such as source, weight, physicochemical properties.
Closed danger wastes handling channel 2 includes entrance 21, outlet 22, waste conveying device 23.Closed goods When 25 peril of transportation waste of vehicle, enters in closed danger wastes handling channel 2 from entrance 21, initially enter closed danger First inspection area in dangerous waste handling channel 2, first tests to every case waste, weighs, then lead to inspection result Cross the RFID marks that RFID reader write-in is discarded on the pallet of the RFID tag on matter packaging box or the discarded matter packaging box of carrying In label, inspection result is sent to controller simultaneously, is preserved inspection result write-in database by controller.Inspection result packet It includes：Check-Out Time, discarded species, waste the physical-chemical parameters, waste source (such as generating producer), weight.It examines After, lorry drives into the parking of unloading area.
After loading dock is stopped, by fork truck 24 by discarded matter packaging box 26 or carry the pallet of discarded matter packaging box from It removes, is placed in waste conveying device 23 on lorry 25, waste conveying device 23 can be conveying roller transmission device, be used for Packing case 26 or the pallet for carrying the packing case are sent into closed warehouse 1.Waste conveying device 23 by packing case 26 by Feeding mouth 13 is sent into closed warehouse 1.Feeding mouth 13 is normally opened opening.It is provided with RFID reader on feeding mouth 13, for reading It takes the FRID label information on discarded matter packaging box and the information such as entry time, feeding mouth RFID reader is written to the label After reading the FRID label information on discarded matter packaging box, warehouse-in instruction, the packing case FRID label information with reading are generated It is transferred to together as storage information the controller of intelligent warehouse control system, control together with the entry time that the label is written The information preservation that this is received is entered database by device, while being controlled corresponding automatic cruising fork truck according to the information and being carried out storage work Industry.The danger wastes for being sent into closed warehouse 1 are mainly solid-state castoff or liquid waste and paste waste.
After receiving storage information, controller carries out following storage control：Storage location is set；Automatic cruising fork truck selects It selects；Path computing；Input work controls.It is described in detail below to being put in storage control process above.
Storage location is set：The inventory information table stored in controller reading database, the table include preset incite somebody to action A certain or certain shelf are used to store the shelf area setting information of predetermined kind danger wastes, by the RFID in storage information Waste information in label information in inventory information table shelf area setting information (including shelf area coordinate, Shelf ID, shelf location, the information such as racks store type of merchandize) it is compared one by one, when waste information is deposited with shelf When warehousing species category information is identical, then show that the shelf area for storing such waste, is thereby determined that in the shelf area The waste of the storage is stored, after shelf area determines, controller reads the related inventory information of the shelf area, which is determined Shelf have vacant memory space, after determining, select one of shelf as target shelf, will be idle on the target shelf The memory space for storage package case be set as target storage space, storage location setting finishes.Shelf area setting by with Lower rule：1, compatibility rule：Same shelf cannot store incompatible danger wastes, as bronsted lowry acids and bases bronsted lowry cannot be placed on it is same On shelf, to avoid chemical reaction, explosion occurs or generates hypertoxic gas；2, rule is stored classifiedly：Chemical property is similar After danger wastes classification, such as it is divided into acid, alkali, halogen, mercury, allied hazard waste or compatible danger wastes is concentrated It is stored on same shelf or multiple adjacent shelfs, forms the shelf area of such compatible danger wastes.It stores incompatible It needs to keep safe distance, such as 10 meters or more between the shelf area of danger wastes.
Automatic cruising fork truck selects：After storage location setting, automatic cruising fork truck of the controller into closed warehouse is wide Broadcast idle inquiry message, the idle fork truck for receiving the inquiry message sends out response signal, the signal include fork truck ID number, Idle state, fork truck position etc., after controller receives response signal, according to the closing in fork truck position and the database of reading The cartographic information in formula warehouse determines which idle fork truck is nearest apart from feeding mouth 13, selects the idle fork truck nearest from feeding mouth 13 Input work is carried out as automatic cruising target fork truck.
Path computing：After automatic cruising fork truck selects, controller inquires the closed warehouse stored in database Map calculates driving path according to shelf location (coordinate), automatic cruising target fork truck position.
Input work controls：After path computing, controller sends out input work instruction, the instruction packet to target fork truck It includes：Feeding mouth ID, storage packing case ID, target shelf ID, target storage space ID, driving path where being put in storage packing case.Mesh After mark fork truck receives input work instruction, the control unit of target fork truck control the fork truck according to input work instruction complete into Library operates：
After the control unit of automatic cruising target fork truck 12 receives input work instruction, the fork is controlled according to driving path Where vehicle automatic running to storage packing case near feeding mouth, when close to feeding mouth, the RFID reader of target fork truck 12 is read Get the RFID tag on feeding mouth, obtain feeding mouth ID, fork truck control unit the ID and input work are instructed in pan feeding Mouth ID is compared, if unanimously, carrying out pan feeding operation, if it is inconsistent, control fork truck stops and sent out to controller Alarm, according to the instruction works after receiving the further instruction of controller.Under unanimous circumstances, control unit passes through mesh Whether both Distance Judgments of fork truck and feeding mouth that the range sensor of mark fork truck detects are close enough, when the two distance arrives When up to given threshold, control unit controls fork truck stop motion；The RFID reader of target fork truck is read into the useless of feeding mouth The RFID tag of the storage packing case carried in gurry conveying device 23, when control unit judges that the tag ID read is made with storage When identical comprising storage packing case ID in industry instruction, control unit controls fork truck and inserts packing case from waste conveying device 23 It takes off, and drives to target shelf according to driving path and packing case is packed into target storage space：Control targe fork truck is pressed When according near driving path automatic running to target shelf, the RFID tag on the RFID reader target shelf of target fork truck, Target shelf ID is obtained, the target shelf ID during fork truck control unit instructs the ID with input work is compared, if one It causes, is then loaded operation and carries out pan feeding, if it is inconsistent, it is out of service and send out alarm to controller, it is controlled until receiving According to the instruction works after the further instruction of device processed.Under unanimous circumstances, the control unit of target fork truck is passed by distance Whether both Distance Judgments of fork truck and shelf that sensor detects are close enough, when the two distance reaches given threshold, control Unit processed controls fork truck stop motion；Control unit by the ID of the memory space on the shelf and input work instruction in target It memory space ID and is compared, if unanimously, carrying out pan feeding operation, packing case is loaded into target goods by control targe fork truck In the target storage space of frame, if it is inconsistent, control fork truck stops and sends out alarm to controller, until receiving controller It is further instruction after according to the instruction works.After loading, loading is finished information and is sent to controller by control unit, control Device processed updates the data the inventory information table in library：Increase the packing case entry time, storage type, again in inventory information table Amount, storage location etc..
Due to being mainly burning disposal to the processing of danger wastes, when burning by the incinerated matter of different calorific values according to Material scheme carries out incinerator pan feeding distribution, and intelligent storage control system of the invention further includes that setting (is not shown in Central Control Room in figure Go out) intelligent feed proportioning system, for carrying out intelligent dispensing：Intelligent feed proportioning system carries out calorific value selection first, i.e., basis detects The temperature of incinerator determine the calorific values of the danger wastes conveyed to incinerator, it is warm less than scheduled burning such as to burn furnace temperature Degree, then the waste that intelligent feed proportioning system selects the calorific value of inventory high, if burning furnace temperature is higher than scheduled ignition temperature, The waste that intelligent feed proportioning system selects the calorific value of inventory low, preferred intelligence feed proportioning system determine the danger conveyed to incinerator The thermal value range of waste；After calorific value or thermal value range determine, intelligent feed proportioning system select specifically discarding type And quantity, i.e., according to other physicochemical properties of the close danger wastes of the calorific value stored in database, such as chemical phase The constituent contents such as capacitive/halogen/grain size/moisture content etc., it is determined that the kind for the danger wastes sent out from closed warehouse 1 Class, quantity, and intended destination to be transported (any platform pre-processing device or processing equipment etc. be sent to).Intelligent feed proportioning system is pressed As upper type completes the determination of intelligent proportion scheme, and the instruction of the outbound including proportion scheme, program packet are sent out to controller It includes library and discards species, quantity, sequence.Controller completes following outbound control operation according to outbound instruction：According to Outbound in material scheme discards species, quantity, sequence and determines which danger wastes that will be stored in closed warehouse carry out Outbound (determines outbound target)；Automatic cruising fork truck selects；Path computing；Delivery controls.In detail below to going out above Library control process is described.
Determine outbound target：Controller receives proportion scheme, and in conjunction with the inventory information in database, determination currently needs The waste in library：Controller inquires inventory information, obtains storage location (including the outbound target waste of outbound target waste Shelf ID, shelf coordinate and memory space ID, the memory space coordinate at place).
Automatic cruising fork truck selects：After outbound target waste determines, controller connects to fork truck broadcast idle inquiry message The idle fork truck for receiving the inquiry message sends out response signal, which includes the number of fork truck, idle state, fork truck position Deng after controller receives response signal, the idle fork truck that selects the storage location from target waste nearest as patrolling automatically The target fork truck that navigates carries out Delivery.
Path computing：After automatic cruising fork truck selects, controller inquires the closed warehouse stored in database Map calculates driving path according to storage location, the automatic cruising fork truck position of selection.
Delivery：After driving path calculates, controller sends out Delivery instruction, the instruction packet to target fork truck It includes：Memory space ID, coordinate, outbound target are useless where shelf ID, coordinate, outbound target waste where outbound target waste Gurry packing case ID, driving path, intended destination (being sent 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 Library job instruction control targe fork truck completes Delivery：It is discarded to outbound target that fork truck automatic running is controlled according to driving path When where object near shelf, the RFID tag on the RFID reader of the target fork truck shelf obtains shelf ID, and fork truck control is single Outbound target waste place shelf ID during member instructs the ID with Delivery is compared, if unanimously, unloaded Operation is carried to discharge, if it is inconsistent, it is out of service and send out alarm to controller, until receiving the further of controller It instructs and according to the instruction works.Under unanimous circumstances, fork that the control unit of target fork truck is detected by range sensor The distance between vehicle and shelf judge whether the two distance is close enough, 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 according to driving path and outbound target is discarded the corresponding of matter packaging box submitting warehouse It is unloaded automatically in the intended destination of pretreatment workshop after discharge port 14.RFID clearings are provided on the automatically-controlled door of discharge port 14 Device, the relevant information in RFID card when to outbound on discarded matter packaging box are zeroed out operation.After outbound, control is single Outbound is finished information and is sent to controller by member, and controller updates the data the inventory information table in library：It will in inventory information table The storage location that outbound target discards matter packaging box is reset, and corresponding disposal information is removed, and records going out for the waste The outbounds such as library time information.
It loaded above by fork truck, carried out storage, the explanation of outbound for the discarded matter packaging box of unloading, in practice, discarded Matter packaging box can be carried on pallet, and fork truck can also be by inserting the loading and unloading operation that take pallet to carry out waste.
Closed particulate matter (coarse powder material) transfer passage 3 includes that one or more air outlets 30 (come in and go out in danger wastes The air outlet is closed during library), delivery port 31, particulate matter transmission device 32 (such as belt conveyer) and particle Object storage device 33 is mounted with the closed lorry 25 of graininess danger wastes when unloading the waste, initially enters envelope Second inspection area of enclosed particulate matter transfer passage 3, the second inspection area are provided with on-ground weigher, can claim to the lorry driven into Weight, while also testing to graininess waste in the second inspection area, then that inspection result is (including Check-Out Time, discarded Species, waste the physical-chemical parameters, waste source, complete vehicle weight etc.) send controller to, controller ties the inspection Fruit is sent to database and is preserved.After being verified, lorry 25 drives into the parking of unloading area.The graininess that lorry 25 loads is dangerous Waste via delivery port 31 by particulate matter transmission device 32 convey after complete unload, a graininess danger wastes part into Enter waste treatment apparatus to be handled, another part is stored in particulate matter storage device 33, and above graininess danger is useless The processing information of gurry, storage information (including two-part weight) are equally transmitted to controller, by controller by the information preservation In the database.After lorry 25 unloads, the on-ground weigher for unloading area carries out secondary weighing to lorry, and sends weighing results to control The weighing results are sent to database and preserved by device, controller, and controller calculates the difference weighed twice, obtains graininess The weight of waste, and the gravimetric value is saved into database.
Fig. 3 generally shows the flow chart of danger wastes pretreatment system according to the present invention.The danger of the present invention Waste pretreatment system includes that coarse powder material danger wastes unit, solid-state danger wastes pretreatment unit, paste danger are useless Gurry pretreatment unit, extraordinary danger wastes pretreatment unit and liquid hazardous waste pretreatment unit, are respectively used to It is useless to coarse powder material danger wastes, solid-state danger wastes, paste danger wastes, extraordinary danger wastes and liquid danger Gurry is pre-processed.
Herein, coarse powder material danger wastes refer to its most of material for being included size be less 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 are generally sticky semisolid, and feature is sticky strong and poor fluidity, most of to have Irritant smell and have toxicity.The paste danger wastes of organic are relatively conventional, wherein the content of benzene, phenol and chlorine compared with Height, such as paint.
It is in solid-state that there are also paste danger wastes under normal temperature state (20 DEG C or less), is presented after temperature is got higher Mobility and becoming relatively is glued (such as softening at 30 DEG C), for example, essence, distillation residue.
Extraordinary danger wastes include solid-state danger wastes, liquid hazardous waste and the paste dangerous waste of special type The characteristics of object etc., this substance is that chemical property is more active, is easily reacted 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 explosion or vigorous reaction occur with other materials.
For transporting the coarse powder material danger wastes come, solid-state danger wastes, paste danger wastes, special type from external 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 compatibility between batch these materials burned into incinerator, To ensure the safety of burning process, while also to make the calorific value into each batch materials of incinerator that there is stability, from And it can keep fully burning.
Specifically as shown in Fig. 3, coarse powder material danger wastes pretreatment unit is for detaching 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.Screenings (fines accounts for the major part of coarse powder material danger wastes) quilt It is transported in coarse powder feed bin, oversize (coarse fodder only accounts for the sub-fraction of coarse powder material danger wastes) is transported to solid-state danger It is handled again in dangerous waste pretreatment unit.
The pretreatment of coarse powder material danger wastes can also include desiccation step, and the moisture of 70-80% is contained for desiccation Then inorganic sludge substance after desiccation is transported to thick powder carry storehouse by inorganic sludge substance.
The pretreatment of coarse powder material danger wastes can also include iron removal, for removing iron included in oversize.
Solid-state danger wastes pretreatment unit is for pre-processing solid-state danger wastes.Need broken solid-state Danger wastes will be sought out danger wastes as what compatibility calculated by warehousing system and fork truck, and boosted machine is transported to brokenly It is crushed in broken machine so that broken material particular diameter is less than or equal to 50 × 50 × 80mm.Broken solid-state danger is useless Gurry is transported in agitating device.The pretreatment of solid-state danger wastes further includes step of gathering dust, for collecting in shattering process The dust of generation, and by collected dust be transported in storage warehouse together with broken solid-state danger wastes and without Outer row.
Lime feeding device (addition lime to play the role of presetting pH value) is provided with before storage warehouse, by lime plus Lime from lime silo is transported to agitating device by material device according to the calorific value compatibility of Central Control Room by measuring equipment.
(it is in by broken solid-state danger wastes and coarse powder material danger wastes (screenings) and paste danger wastes Liquid) be shaped to together in agitating device size uniform bulk or rod shaped materials after be transported in storage warehouse, and from It is transported in incineration system and is burned in storage warehouse.
Paste danger wastes pretreatment unit include paste danger wastes are heated in heating device so that Paste danger wastes become mobility by force and the object for being not easy to contact it forms cohesive liquid.
Then, the paste danger wastes after heating are filtered, the paste danger wastes and solid-state that will be in a liquid state Danger wastes and coarse powder material danger wastes stir molding together.In stirring, by the way that flocculation aid is added and by stirring It mixes and is molded paste danger wastes together with solid-state danger wastes and coarse powder material danger wastes, transported to facilitate And its firing efficiency can be improved.Flocculation aid used in whipping process is, for example, the lime in lime silo.By adding The acid-base value of paste danger wastes can be neutralized and improve softening temperature by entering lime.
And solid matter included in paste danger wastes is transported to solid-state danger wastes pretreatment unit In crusher carry out break process.
Extraordinary danger wastes pretreatment unit is dangerous for being pre-processed to extraordinary danger wastes, including to special type Waste is sealed packing (pack material), and by the inner wrapping special type danger wastes after packing by suspending supply unit in midair It is transported in incineration system and is burned.
Liquid hazardous waste pretreatment unit is for pre-processing liquid hazardous waste, so that liquid danger is useless Gurry is sufficiently mixed consequently facilitating burning.Liquid hazardous waste pretreatment includes by liquid hazardous waste in receiver (example Such as filtering tank, filter) in be filtered.
It is introduced into crusher from the solid-state danger wastes filtered out in liquid hazardous waste and carries out break process.
It is introduced into blender by filtered liquid hazardous waste and carries out mixture.
Liquid hazardous waste after mixture is introduced together into mulser.It is useless to liquid danger in mulser Gurry is emulsified, and particularly, liquid hazardous waste carries out high speed centrifugation movement in mulser, and molecule is cut to It is emulsified.
Liquid hazardous waste (mixed waste liquor) after emulsification is temporary in three different storages according to the height of calorific value In tank, these three storage tanks are respectively used to keep in the liquid hazardous waste of high, medium and low calorific value.
When the calorific value for the material being transported in incinerator is relatively low, measuring and dispensing system is dangerous from high heating value liquid is stored Liquid hazardous waste is taken out in the storage tank of waste carries out compatibility therewith, so that the calorific value of the material in incinerator is uniform, So as to realize the clean-burning purpose of material, conversely, when the calorific value for the material being transported in incinerator is higher, metering is matched It send system that can take out liquid hazardous waste from the storage tank for storing low heat value liquid hazardous waste and carries out compatibility therewith. Alternatively, it is also possible to can also realize the compatibility of material calorific value by adjusting the dispatching speed of 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 Activated carbon adsorption device fully can prevent ambient enviroment to be contaminated so that pernicious gas will not be excessive.
It should be noted that for the compatibility of material, referring to two kinds and the mixing of the above danger wastes should prevent Following situations：Amount of heat or high pressure, generation flame are generated, explosion occurs, generates inflammable gas, generates toxic gas, is violent Polymerisation and noxious material dissolving.
Other than the compatibility between material, the compatibility between material and container also should ensure that.
Refer to that compatibility is carried out to material, so that the calorific value of material is as far as possible between certain for the stability of material calorific value In the range of to reduce the dosage of auxiliary fuel.The calorific value of material not only influences the dosage of the auxiliary fuel of incinerator, can also shadow Ring the processing capacity of incinerator.Calorific value is too low, needs to start auxiliary fuel system so that trash burning is complete, causes operating cost Increase；Calorific value is too high, and the furnace temperature of incinerator is made to be difficult to control, and setting needs to limit stove with inert substance (excess air, water etc.) Temperature, while processing capacity being made to decline.Therefore the calorific value of material needs to control in an appropriate range, ensures system operation Economic and reliable.
When carrying out compatibility to material, it is also noted that following several situations：
1) content of acid contaminant is controlled.Control acid contaminant content with ensure incineration system normal operation and The qualified discharge of tail gas.Halogenated organic not only influences the calorific value of waste, also influence trash burning after content of acid gas and The operation of smoke processing system controls the unreasonable generation for also easily causing chlorine, corrosivity bigger.Meanwhile it should when operation Detailed analysis is carried out to material, the hazardous waste high to those content of halogen, quantity is big should be burned uniformly as possible, and should be controlled whole Body quantity.
2) content for controlling heavy metal, to ensure the normal operation of incineration system and the qualified discharge of tail gas when burning. Organic heavy metal substance should control overall quantity and uniformly enter stove burning.Due to the toxicity characteristic of these wastes, bucket is generally used The mode that shape waste enters stove is handled, and can be controlled in each content and number.
3) content of phosphorus is controlled.Phosphorus is mainly organic phosphorus compound in hazardous waste, burns the P2O5 of generation in 400-700 DEG C can to metal generate increase corrosion, if not controlling the content of phosphorus, waste heat boiler service life can greatly shorten.
4) uncontrollable discharge of smell substance is reduced.For the hazardous waste that peculiar smell is larger, what can directly be burned should be reduced Its compatibility operates.It not directly burns, strictly to control volatilization during its compatibility.
Dangerous waste object forms bulk material, sacked material and liquid object three categories, same class material after above-mentioned pretreating process Physics and chemical characteristic it is close.The present invention is based on the morphological characters of above-mentioned three categories material to separately design corresponding charging system It unites to convey dangerous waste object to be burned to incineration system, to effectively prevent the hair of deflagration event in existing " ground pit type " pan feeding mode It is raw.
Referring to Fig. 4, danger waste separation feed system according to the present invention mainly include bulk material feed system, sacked material into Material system and liquid object feed system are respectively intended to convey bulk material, sacked material and liquid dangerous waste object to incineration system 100.
Bulk material feed system includes mainly under feeding bin 201, the first weigher 203, the second weigher 205 and revolution Glassware 206.There is feeding bin 201 closing shell, shell to be provided with material inlet 211 and material outlet 212.1 shell of feeding bin In be provided with stock distributor 213, be used for evenly dispersed material.201 housing bottom of feeding bin is provided with spiral reamer 204.? Elevator (conveyer) 202 can be arranged in the front end of feeding bin 201, and bulk material 220 can be promoted and arrive feeding bin by elevator 202 201 top, and enter in feeding bin 201 from material inlet 211.
(gravity is relied on when being conveyed by storehouse formula due to bulk material), is easy occur knot storehouse (flow stagnation) phenomenon in storehouse, Once consequence is very serious caused by tying storehouse, the material often accommodated in storehouse from several to tens ton can only often disassemble feed bin Material could be exported.For the present invention in order to prevent and dissolve the generation of the phenomenon in advance, spy is provided with the first weigher 203 and the Two weighers 205 are prejudged.First weigher 203 is used for carrying out entirety to feeding bin 201 weighing, the second weigher 205 are used for weighing to the material sent out from the material outlet 212 of feeding bin 201.First weigher 203 preferably uses loading Sensor is arranged in the outside of feeding bin 201.Second weigher 205 preferably uses volume measurement scale, thus can continuous conveying Material, and energy metering material volume, the weight of conveying material can be obtained by being multiplied by material proportion with the volume of material of metering.
When feed system is run, 220 (the gravimetric value m of bulk material to be burned that is pre-metered0) from material inlet 211 into Enter feeding bin 201, second weigher 205 is delivered to by spiral reamer 204 after the dispersion of stock distributor 213, passes through second Weigher 205 is conveyed through rotary feeder 206 to incineration system 100 after weighing.A timing is measured by the second weigher 205 The interior weight of material conveyed to incineration system 100 is m2, the net object in feeding bin 201 is measured by the first weigher 203 Material weight is m1.In continuous production process, 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 is more than predetermined normal value, then material in feeding bin 201 is implied Flowing starts to slow down, and continues development and goes down to occur to tie storehouse phenomenon.Operating personnel, can by the monitoring to above-mentioned gravimetric value It gives warning in advance, and takes solving measure in advance.For example, by using air bubble height is squeezed into feeding bin 201 from 201 bottom of feeding bin Pressure air is vibrated, and to make knot storehouse phenomenon just be dissolved in the budding stage, to ensure continuous production, greatly improves production Efficiency.
Bulk material is conveyed to incineration system 100 using rotary feeder 206 in the bulk material feed system of the present invention, both Can continuous conveying material, and can effectively block the upward anti-channeling of high hot-air burnt in incineration system 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 incineration system 100 all uses closed.Bulk material 220 is in transmission process It is carried out all in enclosure space, to prevent the pernicious gas volatilized in dangerous waste object from outwardly discharging.It is promoted in order to prevent Occur deflagration accident in machine 202 and feeding bin 201, the inner space of elevator 202 and feeding bin 201 all with extractor fan 209 Connection, extractor fan 209 can be connect with the entrance of incineration system 100, to which the flammable explosive gas of extraction to be passed directly into Incineration system 100 is burnt.Dust-precipitator 208 can be set before extractor fan 209, and the dust that dust-precipitator 208 is collected is by locking wind Blanking device 219 is delivered in elevator 202 to be conveyed to incineration system 100 again.In addition, can also be set at the top of feeding bin 201 It is equipped with explosion-proof valve 214, further ensures that safety.
Sacked material feed system includes mainly suspended chain 251, lower hopper 252 and upper gate valve 253 and underthrust plate valve 254.Before charging starts, upper and lower gate valve 253 and 254 is all in closed state, when sacked material 250 is fallen into down from suspended chain 251 When in hopper 252, the opening of upper gate valve 253 makes sacked material 250 fall on underthrust plate valve 254, and then upper gate valve 253 is closed, Underthrust plate valve 254 is opened, sacked material 250 automatically falls into incineration system 100 and burned.Repeatedly by upper and lower two gate valves Cooperation can completely cut off in incineration system 100 the upward anti-channeling of high hot-air burnt.Sacked material 250 is weighed and is hung by controlling in advance The conveying speed of chain 251 controls the charging rate of sacked material 250.
In one particular embodiment of the present invention, the bulk material 220 of bulk material feed system conveying and the charging of bag-shaped material The sacked material 250 of system conveying enters incineration system 100 by Y type blanking scraper-trough conveyers respectively, to prevent the spy in sacked material 50 Kind dangerous waste object, which is in contact with balk cargo before entering kiln, to be caused to explode.
Liquid object feed system 300 using multichannel nozzle be respectively intended to incineration system 100 convey high heating value, middle calorific value and Low heat value liquid.So as to select to supply the liquid of different calorific values according to the technique of incineration system 100 needs.Each road nozzle Before can be connected with flowmeter carry out metering liquid dangerous waste object inlet amount.
Referring to Fig. 5, incinerator 100 is made of rotary kiln 110, secondary combustion chamber 120 and slag-tapping system.Rotary kiln 110 kiln hoods connect that (including solid feed system 200 and liquid object feed system 300, wherein solid are fed with feed system System 200 can be divided into bulk material feed system described above and sacked material feed system again), kiln tail is and secondary combustion chamber 120 lower seal connection, the top of secondary combustion chamber 120 are connect by pipeline with exhaust treatment system 500, secondary combustion chamber 120 bottom is connect with slag-tapping system.Wherein, rotary kiln 110 and secondary combustion chamber 120 also connect with natural gas station 400 respectively, By auxiliary burner 401 and 402 respectively to rotary kiln 110 and secondary combustion chamber 120 carry out igniting and it is combustion-supporting.Rotary kiln 110 With temperature monitor and oxygen content monitor are respectively arranged in secondary combustion chamber 120.
Rotary kiln 110, which is a horizontal circular, the rotatable stove of lining of fire brick, inner lining refractory block (50mm insulating bricks + 250mm mullite bricks), kiln external temperature is maintained at 175 DEG C or more, to prevent sour gas from corroding.On kiln ontology There are two belt wheel and a bull gear, transmission mechanism is driven the bull gear on ontology by pinion gear, then passes through bull gear band Dynamic rotary kiln ontology rotation.To ensure the downward transmission of material, rotary kiln 110 must keep certain gradient, in of the invention The axial line of rotary kiln 110 is with horizontal line at 1.5 degree of angles.The rotation scale of kiln is preferably 0.2 to 2.0 turn per minute.In kiln Volume heat load is 20~44kg/ (m3·h)。
120 top of secondary combustion chamber is cylindrical structure, and liner material is that high alumina turns+light weight fireclay brick+calcium silicate board, outside Steel plated.120 lower part of secondary combustion chamber has taper necking, and taper necking bottom is provided with air cooling slag hoist 121.It is air-cooled to slag tap Machine 121 is connect with external secondary blower 122.The volume heat load of secondary combustion chamber 120 is 15~40kJ/m3.h。
When burning, the bulk material 220, sacked material 250 and liquid object of different calorific values are distinguished as after scheduled calorific value compatibility It is sent into rotary kiln 110, air is blasted into kiln by the primary blower 111 for being arranged in kiln hood, and pass through auxiliary combustion Device 401 is lighted a fire.Waste is under 110 continuous rotation of rotary kiln, and material do not stop to stir in kiln, heat, dry, it is gentle to decompose Change.The ignition temperature of rotary kiln 110 is controlled at 700~850 DEG C, and remaining Control for Oxygen Content is less than 2%, and material is in rotary kiln Residence time in 110 is about 20-45min.Under this process condition, material is incinerated into high-temperature flue gas and clinker.Burning The flue gas of generation enters secondary combustion chamber 120 from kiln tail, is further burned herein.Pass through secondary blower 122 to two Grade blasts Secondary Air in combustion chamber 120, and is carried out by auxiliary burner 402 combustion-supporting.By being located at 120 flue gas of secondary combustion chamber Thermocouple and oxygen content detector on exhaust pass detect oxygen content in furnace temperature and exhaust, and then control auxiliary burner 402 and secondary blower 122 uninterrupted, make 120 temperature of secondary combustion chamber stablize in setting value, to make dangerous waste burn It is constantly in optimum state.In a preferred embodiment of the invention, the ignition temperature control in secondary combustion chamber 120 1100~ 1200 DEG C, remaining Control for Oxygen Content is less than 8%.Flue gas secondary combustion chamber 120 residence time at 3.5 seconds or more.Herein Under the conditions of, it is ensured that entering the dangerous waste object of incinerator, fully thoroughly burning is complete, and flue gas Zhong bioxin and other has The 99.99% of evil composition is decomposed.
Slag-tapping system includes mainly air cooling slag hoist 121.Referring to Fig. 6-8, air cooling slag hoist 2 is equipped with slag inlet 131, slags tap Mouth 134 and air inlet 133.Wherein, slag inlet 131 is connected to the bottom of secondary combustion chamber 120.Rotary kiln 110 and secondary firing The hot stove slag that room 120 generates enters air cooling slag hoist 121 through slag inlet 131, and the cold wind blasted from air inlet 133 is slagged tap air-cooled Enter the progress high temperature oxygenating of secondary combustion chamber 120 after carrying out heat exchange with hot stove slag in machine 121, clinker after cooling is through slag notch 134 discharge.
Referring to Fig. 6-8, in one embodiment, air cooling slag hoist 121 is including outer housing 130 and is located at outer housing 130 Interior comb type cooling bed 132.The top of outer housing 130 is provided with slag inlet 131, and slag inlet 131 and the burner hearth of secondary combustion chamber 120 connect It is logical, for receiving clinker.Comb type cooling bed 132 includes grate plate 140, and 140 front end of grate plate is located at 131 lower section of slag inlet, 140 end of grate plate It is adjacent with slag notch 134.Array ventilation hole is evenly distributed in grate plate 140, the aperture of ventilation hole is arranged to make cold wind under Up by but clinker will not leak out down.It is provided with multiple row movement beam 150 in grate plate 140, is spaced and sets on each column movement beam 150 It is equipped with multiple stick pushers 151.The length direction of stick pusher 151 is perpendicular to clinker conveying direction A.
150 lower section of each column movement beam is provided with movement beam driving mechanism 160, is used for drive motion beam 150 and is conveyed along clinker Direction A is moved back and forth, such as cylinder type of drive may be used to be driven to movement beam 150.By moving beam 150 Reciprocating motion can effectively prevent the bonding of high-temperature fusion slag；Push clinker to slag notch 134 by stick pusher 151 simultaneously Slowly wriggle.A points along clinker conveying direction of stick pusher 151 is inclined surface 152 and vertical plane 153, so as to swimmingly guide Clinker is conveyed to slag notch 134.
140 lower section of grate plate is provided with air inlet pipeline, and air inlet pipeline is divided into air inlet manifold 180 and winding pipe 181, shows in figure In the embodiment gone out, enters the wind manifold 180 and the length direction of grate plate 140 is arranged in parallel, uniformly draw upwards from air inlet manifold 180 Go out multiple row winding pipe 181, the air inlet 133 of air inlet pipeline is connect with secondary blower 122.Secondary blower 122 rouses The cold wind entered is uniformly blowed to the array ventilation hole of grate plate 140 through air inlet pipeline.
In a preferred embodiment of the invention, 140 end of grate plate is provided with ramp type and slags tap baffle 170, passes through gear of slagging tap The height of plate 170 adjusts the thickness of slag layer in grate plate 140, to making the thickness of slag layer in grate plate 140 maintain certain thickness, The cooled clinker of lower layer can play a protective role to grate plate 140.
Dangerous waste object is different from conventional house refuse.Silico-calcium constituent content is big in conventional house refuse, the stove generated after burning Slag exists in solid form；No matter solid-state clinker is all easily achieved using water cooling or air-cooled pattern.And silico-calcium contains in dangerous waste object Low, magnesium, aluminium, fluorine element content height are measured, therefore clinker is in molten state after high temperature incineration；Since the clinker of molten state is easy to cementing machine Device, it is air-cooled that the forbidden zone being difficult to realize is considered as by the technical staff in dangerous waste object burning disposal field always, conventional water can only be used Chill formula.And the present invention can effectively overcome high-temperature fusion by the structure design and motion mode of above-mentioned air cooling slag hoist 121 The bonding of clinker, to make the air-cooled pattern of dangerous waste object dregs of incinerator be achieved.
Yet another advantage of the present invention is that：The clinker of 120 bottom of secondary combustion chamber directly carries out heat exchange with Secondary Air.This The air-cooled pattern of kind can be such that Secondary Air is preheated, and improve the efficiency of combustion of secondary combustion chamber 120；In addition, the clinker after air-cooled Can directly clinker storehouse 124 be delivered to by (closed) conveyer 123 to be stored.124 lower part of clinker storehouse is equipped with valve of slagging tap 126, valve 126 of slagging tap can be connect with automobile loading spout 127, by automobile loading spout 127 can under completely enclosed state to The freight house of automobile 128 conveys clinker.This slag treatment mode overcomes the problem of clinker in existing water cooling pattern needs drying, The energy and water resource have fully been saved, and any pollution has not been caused to environment.
Referring to Fig. 9, exhaust treatment system 500 includes mainly waste heat boiler 510, chilling tower 520, activated carbon dusting device 530, bag filter 540, active carbon adsorption column 550, washing deentrainment tower 560, flue gas heater 570, last row wind turbine 580 and Chimney 590.
Flue gas is divided into four backhauls by 510 burner hearth of waste heat boiler by three row's suspension type fin panel casings, and waste heat boiler uses Radiation heat transfer mode, radiation heat transfer are that the water in pipeline is heated into steam, pipeline heat exchange by flue gas by way of radiation heat transfer Pipe is finned membrane wall channel.Radiation heat transfer is not easy dust stratification, and deashing is more convenient due to being arrangement of cavities.The present invention Using the heat exchange mode of full film type wall, while the phenomenon that being equipped with deashing device, avoiding 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, under high temperature environment, the atomization urea liquid of flue gas and penetrating are sufficiently mixed, and NOx components are O2's in flue gas In the presence of with urea occur reduction reaction, at the same time urea liquid moisture all vaporized and taken away by flue gas.Ammonia nitrogen ratio is controlled, The reduction efficiency of NOx is 50%.
Expansion chamber is set in the bottom of waste heat boiler, flue gas will settle dust when flowing from bottom to top and enter sedimentation Room, the flying dust that expansion chamber is collected are transported to flying dust storehouse 513 through the double-deck gate valve 511 and conveyer 512.Boiler design exiting flue gas Temperature is 550 DEG C, can avoid bioxin and the regenerated temperature region of furans.
Afterheat utilizing system utilizes the waste heat for generating steam in flue gas.Steam is in addition to personal, after remaining is depressurized as needed For producing and using.In addition, the steam that afterheat utilizing system generates uses access industrial garden steam pipe network for garden enterprise.
High-temperature flue gas temperature after waste heat boiler 510 is down to 550 DEG C, enters chilling tower 520, chilling from top through flue Pressure type nozzle 522 is set on tower 520, and nozzle 522 is connect with the lye pond 521 equipped with sodium hydroxide.Under the action of high pressure, The effect of moment decompression, solution are atomized into 0.08mm when sodium hydroxide solution inside nozzle 522 spreads and sprays through spiral The drop of left and right, the drop after being atomized fully exchange heat with high-temperature flue gas, and rapid evaporation, takes away heat in a short time so that Flue-gas temperature moment (0.8s) be reduced to 200 DEG C hereinafter, and moisture content (mass ratio) be less than 3%.While moisture evaporation, With acid gas in flue gas neutralization reaction occurs for sodium hydroxide.Since the residence time is less than 1s to flue gas between 200-500 DEG C, because This prevents synthesizing again for bioxin.
For this system using sodium hydroxide solution, the deacidification effect of smoke processing system is more guaranteed.Chilling lye Water spray is automatically adjusted according to flue gas exit temperature, and when the temperature is higher than set temperature, the chilling lye amount that nozzle sprays increases Add, conversely, then reducing chilling lye amount.Due to entering the material of incinerator 100 by a series of pre- place such as broken, quenched Reason, so acute variation, therefore the sodium hydroxide in chilling extracting tower 520 will not occur for the ingredient of incineration flue gas middle acid substance The addition of solution can maintain certain amount, ensure higher removal rate.
In order to meet incineration of waste standard limit of smog release, it is ensured that heavy metal (especially Hg) bioxin (PCDDs), furans (PCDFs) discharge standard, in addition to strictly controlling burning process and technical parameter, the present invention uses activated carbon dusting device 530 Powdered carbon is sprayed to the Venturi tube 533 being arranged in flue gas pipeline, dioxin in flue gas and a huge sum of money are adsorbed using active carbon powder The noxious materials such as belong to and achievees the purpose that flue gas high-efficient purification.Since activated carbon has great specific surface area, even A small amount of activated carbon, as long as being uniformly mixed with flue gas and time of contact long enough, so that it may to reach high adsorption cleaning efficiency.Activity The inner strong turbulent flow of the Venturi tube 533 of charcoal and flue gas being uniformly combined by flue is realized, active Charcoal is uniformly sprayed into flue gas, is uniformly mixed, has been reached good adsorption effect.Activated carbon is strongly equal with flue gas in the duct After even mixing, reach efficient absorption effect, but the absorption in pipeline and be not up to saturated, then enters together with flue gas again follow-up Bag filter 540 in, rest on filter bag, come into full contact with the flue gas for slow transitting through filter bag, reach in flue gas a huge sum of money Belong to the adsorption cleaning of the pollutants such as Hg and PCDD/Fs, the activated carbon of absorption heavy metal, bioxin falls into bag filter 540 Ash bucket.
Activated carbon is then sent directly into flue through self-measuring device, is removed into follow-up cloth bag after being sufficiently mixed with flue gas Dirt device 540.The activated carbon that 200 mesh are used in the present invention, to ensure that specific surface area and adsorption capacity, activated carbon are added to continuous work Industry controls activated carbon additive amount by frequency conversion batcher.Activated carbon supply amount is with 100 load adjustment of incinerator and according to regularly Heavy metal is He bioxin monitoring data give adjustment signal.
When flue gas is by outer filter bag by bag filter 540, the dust in flue gas is trapped within filter bag outer surface, to It is purified, then Venturi tube enters upper box in deduster, is discharged from outlet.Dust of the attached collection in filter bag outer surface constantly increases Add, dust remover resistance is made to increase, in the range of so that equipment resistance is maintained restriction, it is necessary to periodically eliminate and be attached to filter bag surface Dust：Each control valve is periodically triggered in order by PLC controls to open, and so that compressed air in gas bag is sprayed by injection tube eyelet, is led to Venturi tube is crossed, inducing peripheral air enters filter bag, and filter bag is made drastically to be expanded in a flash, and along with the acting in opposition of air-flow, Shake off dust.The dust shaken off falls into ash bucket, is discharged through spiral ash hoist 541.Cloth bag uses high temperature resistant type PTFE overlay films, has It prevents dew condensation phenomenon from generating to effect, while the service life of filter cloth can be extended.
To ensure that Wei gas Zhong dioxins materials meet the following new standard 0.1TEQng/m3Requirement, the present invention is in cloth bag Activated-charcoal column 550 is also set up on the flue gas flow path of deduster 540, can further remove micro bioxin substance.
Washing deentrainment tower 560 is the further removal to pollutant in flue gas, will by neutralization reaction, the effect scrubbed Sour gas, dust are strict controlled in design limitation, it is ensured that smoke processing system reaches the requirement of highest standard.
Flue gas enters washing deentrainment tower 560 and treatment effect can be improved to sour gas wet-treating, and reduces processing Cost；In order to ensure the washing effect of scrubbing tower lye, the pH value realization of lye is detected and controlled automatically.Control system according to The variation of pH value automatically adjusts dosage, keeps washing effect best, influences washing effect to overcome human factor.
560 built-in filler of deentrainment tower is washed, flue gas enters the wash tower bottoms being located above circulating water chennel in divergent shape, so Continue vertically up by dry load layer afterwards, the absorption of sour gas is just happened at this position.Pass through the nozzle with nozzle Circulation fluid expansion is spread into entire tower section, it is ensured that all gas can come into full contact with circulation fluid.
The outlet of washing deentrainment tower 560 sets demister, and all drops can be removed from flue gas stream by demister.Demister band There is Flushing nozzle, can intermittently spray into high pressure, clean water cleaning demister, the water isolated is entered into wash tower bottoms.It is to be recycled After saturation, high slat-containing wastewater enters advanced treatment system desalination.The flue-gas temperature come out from washing deentrainment tower 560 is about 70 DEG C, It needs by flue gas heater 570, after temperature is increased to 120 DEG C, enters back into last row wind turbine 580.Flue gas heater 570 can be with The flue gas of the steam or high temperature section that use waste heat boiler 510 is heat source.
Sample tap and on-line checking mouth are stayed in chimney 590, matches a set of flue gas on-line measuring device, for detecting discharged cigarette Flue dust, humidity, flue-gas temperature, pressure, flow, HF, SO in gas2、CO、NOx、HCl、O2、CO2Deng.Monitoring data, which are fed back to, burns It burns workshop DCS system to show and record by host computer, analyzes and use for environment care provider in factory.SO2And HCl numbers According to deacidification system is also transmitted to, with the operating parameter of the content Numerical Control deacidification system of discharge gas middle acid substance, thus Ensure that flue gas emission is qualified.Smoke on-line monitoring system is furnished with data remote unit, is believed using local networks and Environmental Protection Agency's environmental protection Platform communication is ceased, monitoring data can be reported to relevant environment monitoring department.
The flying dust that waste heat boiler 510, chilling tower 520, deduster 540 are collected in exhaust treatment system 500, all through conveyer 512 enter flying dust storehouse 513, and flying dust storehouse 513 can be connect with automobile loading spout 516, can be complete by automobile loading spout 516 Clinker is conveyed 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 Deduster 518 and air-introduced machine 519 can be arranged in portion, and the wind of extraction may be coupled to the kiln hood of rotary kiln 110, make as First air With.This flying dust processing mode does not cause any pollution to environment.
Higher gas cleaning rate is can reach in the case where making full use of waste heat by above-mentioned exhaust treatment system 500, It can be to dust, sour gas, NOXThe pollutants such as, bioxin, heavy metal are purified, and statutory emissions regulations are reached.

Claims (7)

1. a kind of danger wastes cleaning treatment system, including intelligent storage feed proportioning system, pretreatment system, feed system, burn Burning system and exhaust treatment system；
Wherein intelligent storage feed proportioning system includes closed warehouse, closed danger wastes handling channel, closed particulate matter Transfer passage and closed pretreatment workshop；Wherein：
The first side that closed danger wastes load and unload channel close to closed warehouse is arranged；Closed particulate matter transfer passage is tight Adjacent this with closed warehouse first is arranged at vertical second；Closed pretreatment workshop close to closed warehouse this The opposite side on one side is arranged；And closed pretreatment workshop is directly connected to closed particulate matter transfer passage；
Closed danger wastes handling channel, closed particulate matter transfer passage, closed pretreatment workshop and closed storehouse The wall that library respectively has one side adjacent；
Closed warehouse, is provided with feeding mouth and discharge port, and closed danger wastes handling channel passes through with closed warehouse Feeding mouth is connected to, and closed pretreatment workshop is connected to closed warehouse by discharge port；Closed store interior is provided with more Shelf are arranged, more automatic cruising fork trucks are additionally provided with, each shelf ontology includes multiple memory spaces, and each memory space is equal Corresponding with unique three-dimensional coordinate point, for storing discarded matter packaging box, shelf ontology and each memory space are respectively provided with RFID tag, automatic cruising fork truck include control unit, RFID reader and range sensor, and control unit controls automatic cruising The work of fork truck, RFID reader are used to read shelf, memory space, the RFID tag on container, and range sensor is for examining Survey the distance between fork truck and object；
Feeding mouth is provided with RFID reader, for being transported on the discarded matter packaging box in warehouse by waste conveying device RFID tag is read out information or the operation of information is written；
It is equipped with entrance in closed danger wastes handling passage end, the other end is equipped with outlet, is provided in the channels useless Gurry conveying device, for conveying danger wastes to closed warehouse, largely setting exists the waste delivery device body In closed danger wastes handling channel, rest part is arranged by feeding mouth in closed warehouse；
Wherein pretreatment system includes coarse powder material danger wastes pretreatment unit, solid-state danger wastes pretreatment unit, cream Shape 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 and liquid hazardous waste are pre-processed, and it is equal that physical property is formed after pretreatment Even bulk material, sacked material and liquid object three classes wait for incinerated matter.
Wherein feed system includes bulk material feed system, sacked material feed system and liquid object feed system, respectively with it is continuous, Closed mode conveys bulk material, sacked material and liquid dangerous waste object to incineration system.
2. danger wastes cleaning treatment system according to claim 1, wherein intelligent storage feed proportioning system further include intelligence It can storage control system；Wherein：
The intelligent storage control system includes controller and database；
Database is used to preserve the map of inventory information table and closed warehouse；
Controller is used to danger wastes intelligent storage feed proportioning system control and is written and read operation to database, controls It is connected by radio communication between device and RFID reader, automatic cruising fork truck.
3. danger wastes cleaning treatment system according to claim 1, wherein bulk material feed system include：
There is feeding bin closing shell, shell to be 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 below feeding bin, for weighing to discharging；And
Rotary feeder, import are connect with the second weigher, and outlet is connect with incineration system.
4. danger wastes cleaning treatment system according to claim 1, incineration system include rotary kiln and secondary firing Room, the kiln tail of rotary kiln and the lower seal of secondary combustion chamber connect.
5. danger wastes cleaning treatment system according to claim 4, wherein secondary combustion chamber bottom are provided with air-cooled Mucking machine enters secondary combustion chamber after Secondary Air and clinker heat exchange and burns, it is air-cooled after clinker be fed directly to clinker storehouse.
6. danger wastes cleaning treatment system according to claim 1, wherein exhaust treatment system include waste heat boiler, Chilling tower, activated carbon dusting device, bag filter, active carbon adsorption column, washing deentrainment tower, flue gas heater, exhaust blower with And chimney.
7. danger wastes cleaning treatment system according to claim 1, wherein secondary combustion chamber and waste heat boiler it Between pipeline on be provided with SNCR denitration device.
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