CN105465790A - Environment-friendly discharge treatment system for industrial waste - Google Patents

Environment-friendly discharge treatment system for industrial waste Download PDF

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Publication number
CN105465790A
CN105465790A CN201610064614.5A CN201610064614A CN105465790A CN 105465790 A CN105465790 A CN 105465790A CN 201610064614 A CN201610064614 A CN 201610064614A CN 105465790 A CN105465790 A CN 105465790A
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CN
China
Prior art keywords
air
water
dust
outlet flue
incineration
Prior art date
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Granted
Application number
CN201610064614.5A
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Chinese (zh)
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CN105465790B (en
Inventor
姜照东
朱敬宇
王青
徐寒静
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Suzhou New District Environmental Protection Service Center Co Ltd
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Suzhou New District Environmental Protection Service Center Co Ltd
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Publication of CN105465790A publication Critical patent/CN105465790A/en
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Publication of CN105465790B publication Critical patent/CN105465790B/en
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Classifications

    • 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
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • 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
    • F23G5/008—Incineration of waste; Incinerator constructions; Details, accessories or control therefor adapted for burning two or more kinds, e.g. liquid and solid, of waste being fed through separate inlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • 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
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/304—Burning pyrosolids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/50001—Combination of two or more furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/30—Halogen; Compounds thereof
    • F23J2215/301—Dioxins; Furans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/20—Intercepting solids by baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/40—Sorption with wet devices, e.g. scrubbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
    • F23J2700/003—Ash removal means for incinerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention provides an environment-friendly discharge treatment system for industrial waste. Solid waste and liquid waste are comprehensively combusted and treated, waste gas and waste smoke generated in the combustion process are purified and treated, finally, complete harmlessness is achieved, and standard emission of the Guobiao GB18484-2001 hazardous waste incineration pollution control standard is met. The system is stable in operation, thorough in combustion, completely harmless in tail gas treatment and capable of effectively controlling and lowering the operation cost.

Description

The environment protection emission treatment system of trade waste
Technical field
The invention belongs to the environmental protection treatment technical field of trade waste, be specifically related to a kind of environment protection emission treatment system of trade waste.
Background technology
Along with the development of industrial economy, a large amount of industrial refuse cannot be processed in time, the industrial refuse overwhelming majority is solid-state castoff and liquid discarded object two kinds of forms, wherein containing a large amount of heavy metals such as poisonous and harmful substance, arsenic, copper, chromium, mercury, deal with improperly and cause irreversible destruction by periphery soil property environment, atmospheric environment etc.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of environment protection emission treatment system of trade waste, comprehensive combustion process solid waste, liquid debris, and purified treatment is carried out to the waste gas produced in combustion process, useless cigarette, finally completely innoxious, the effluent standard that meets GB GB18484-2001 (" dangerous waste incineration Environmental capacity standard ").
For achieving the above object, technical scheme of the present invention is as follows: a kind of environment protection emission treatment system of trade waste, is characterized in that: comprise,
At least two pyrolysis gasification furnaces, every pyrolysis gasification furnace is all configured with charging aperture, the first air inlet, the first water inlet, the first outlet flue and dust-exhausting port, first air inlet of each pyrolysis gasification furnace is all by being with the tracheae of air valve to be connected to the first air blast, first water inlet of each pyrolysis gasification furnace is all connected to cistern by the water pipe of band water-supply valve and water pump, and what be communicated with the dust-exhausting port of each pyrolysis gasification furnace is provided with ash bucket;
Solid waste combustion furnace, it is configured with first and enters mouth, the second outlet flue, the second air inlet, what the first outlet flue of each described pyrolysis gasification furnace was all connected to described solid waste combustion furnace by pipeline second enters mouth, described second outlet flue is connected to the first air-introduced machine by being with the tracheae of air valve, and the second air inlet is connected to the second air blast by being with the tracheae of air valve;
Incineration of liquor stove, incineration of liquor stove, it is configured with the 3rd air inlet, second water inlet, 3rd outlet flue, 6th enters mouth and several inlets, 6th enters first outlet flue of mouth by being with the tracheae of smoke valve to be connected to pyrolysis gasification furnace described in one of them, what be connected with the 3rd air inlet by being with the tracheae of air valve is provided with the 3rd air blast, second water inlet is connected to described cistern by the water pipe of band water valve and water pump, what be connected with the 3rd outlet flue by being with the tracheae of smoke valve is provided with the second air-introduced machine, described inlet is configured in incineration of liquor stove on the sidewall of furnace bottom, described 3rd outlet flue is configured in incineration of liquor stove on the sidewall of furnace roof, corresponding each inlet is configured with a waste liquid spraying pay-off respectively, described waste liquid spraying pay-off comprises fluid reservoir, with the sewer pipe of waste drains pump, and injector, sewer pipe one end connects fluid reservoir, its other end is communicated with incineration of liquor stove by inlet, described injector be arranged on stretch into incineration of liquor furnace interior sewer pipe on, burner is equipped with in each described pyrolysis gasification furnace, solid waste combustion furnace and incineration of liquor stove,
Flue gas heat-exchange unit, it is configured with the 3rd water inlet, second and enters mouth, the 4th outlet flue, delivery port, 3rd water inlet is connected to water tank by the water pipe of band water valve and water pump, second enters mouth is connected with the second outlet flue of solid waste combustion furnace by the band tracheae of smoke valve, and the 4th outlet flue is connected to the 3rd air-introduced machine by being with the tracheae of air valve;
In chilling and absorption tower, it is configured with the 3rd and enters mouth, 4th water inlet, alkali lye import and the 5th outlet flue, 4th outlet flue of described flue gas heat-exchange unit and the 3rd outlet flue of incineration of liquor stove all enter mouth by being with the tracheae of smoke valve to be connected to the described 3rd, 3rd enters mouth is configured in tower body top, 4th water inlet is connected at least described cistern by band water valve with the water pipe of water pump, what be connected with the 5th outlet flue by being with the tracheae of smoke valve is provided with the 4th air-introduced machine, by the 4th water inlet be communicated with absorption tower in chilling be provided with the cooling water pipe being with spray pump, described cooling water pipe stretches in chilling and is provided with the first high pressure nozzle with the one end in absorption tower, first high pressure nozzle to enter in chilling after starting and flue dust instantaneous temperature reduction to 200 DEG C in absorption tower, by described alkali lye import be communicated with absorption tower in chilling be provided with the alkali liquor pipe being with lye pump, described alkali liquor pipe stretches in chilling and is provided with the second high pressure nozzle with the one end in absorption tower, second high pressure nozzle is sprayed onto after starting in chilling and forms alkaline water rete instantaneously with the alkali lye on the inwall of absorption tower,
Bag-type dust collector, it is configured with dust-removing box, 4th enters mouth, ash discharging hole and the 6th outlet flue, 4th enters mouth is configured in dust-removing box on the sidewall of position, intermediate portion, 4th enters mouth is connected with the 5th outlet flue in chilling and absorption tower by depickling absorption tracheae, 6th outlet flue is configured in the top of dust-removing box, what be connected with the 6th outlet flue by being with the tracheae of smoke valve is provided with the 5th air-introduced machine, dedusting filtering bag is provided with in described dust-removing box, part stretches into and is provided with oscillating plate in dust-removing box, the position that described oscillating plate stretches out outside dust-removing box is provided with vibrator,
Depickling adsorbent equipment, it is configured in chilling and between absorption tower and bag-type dust collector, and it comprises calcium hydroxide storage tank, active carbon storage tank; Calcium hydroxide storage tank adsorbs tracheae by the first pipeline with described depickling and is connected, and described first pipeline is provided with the first blender, sprays lime powder by the first blender to depickling absorption tracheal strips; Active carbon storage tank adsorbs tracheae by second pipe and described depickling and is connected, and described second pipe is provided with the second blender, sprays activated carbon powder by the second blender to depickling absorption tracheal strips;
Water circulation depickling dedusting washing tower, it is configured with the 5th and enters mouth, pure qi (oxygen) outlet, and the 5th enters mouth is configured at the bottom of tower, and pure qi (oxygen) outlet is configured in tower top, and the 5th enters mouth is connected with the 6th outlet flue of bag-type dust collector by tracheae;
And the chimney of pure qi (oxygen) outlet with water circulation depickling dedusting washing tower, be provided with on-Line Monitor Device in described chimney, on-Line Monitor Device at least can sulfur dioxide concentration, nitrous oxides concentration, carbonomonoxide concentration, gas concentration lwevel, hydrogen cloride concentration, oxygen concentration, flue dust temperature, moisture content, pressure, flow velocity in the clean flue gas that discharges from chimney of Real-Time Monitoring.
In a preferred embodiment of the present invention, comprise described solid waste combustion furnace further, temperature sensor and pressure sensor is equipped with in incineration of liquor stove and each pyrolysis gasification furnace, the sewer pipe of each waste liquid plastic-blasting pay-off is equipped with flowmeter, the each temperature sensor of control connection, pressure sensor, flowmeter be provided with controller, the motor speed of force value VFC first air-introduced machine that controller feeds back according to solid waste combustion furnace pressure sensor and the second air blast, controller is according to the motor speed of force value VFC second air-introduced machine of incineration of liquor furnace pressure sensor feedback and the 3rd air blast, controller controls the burner in it according to the temperature value of temperature sensor feedback in solid waste combustion furnace, controller controls the burner in it according to the temperature value of incineration of liquor in-furnace temperature sensor feedback, controller controls the burner in it according to the temperature value of temperature sensor feedback in pyrolysis gasification furnace, injector described in the flow value control connection that controller feeds back according to flowmeter.
In a preferred embodiment of the present invention, comprise described incineration of liquor stove further and be configured with three inlets, corresponding three inlets are configured with three cover waste liquid spraying pay-offs, and described pyrolysis gasification furnace is configured with three of independent operating.
In a preferred embodiment of the present invention, what comprise in described solid waste combustion furnace secondary supplement air further is provided with the 4th air blast, the air inlet of outlet by being with the pipeline of air valve to be connected to solid waste combustion furnace of described 4th air blast, in described incineration of liquor stove, secondary supplement air is provided with the 5th air blast, the air inlet of outlet by being with the pipeline of air valve to be connected to incineration of liquor stove of described 5th air blast.
In a preferred embodiment of the present invention, comprise further in described chilling He in absorption tower and be also provided with atomizing tower body, the first baffle plate is provided with successively in described aqueous vapor atomization tower body, second baffle, third gear plate, fourth gear plate, fifth gear plate, described first baffle plate, second baffle, third gear plate sets gradually along the trend of flue dust in atomizing tower body, and three is all vertically arranged, the top of the first baffle plate is fixed on tower body sidewall, its bottom is not arranged at the bottom of contact tower, the bottom of second baffle is fixed at the bottom of tower, its top does not contact tower top and arranges, the top that third gear plate erects is fixed on tower body, its bottom is not arranged at the bottom of contact tower, fourth gear plate and the equal horizontally set of fifth gear plate, both are separately fixed on two sidewalls that tower body is oppositely arranged, and both other ends all do not contact tower body setting.
In a preferred embodiment of the present invention, comprise further in described chilling and be also provided with leakage fluid dram with the bottom on absorption tower, described leakage fluid dram is connected to a circulating water pool by being with the drainpipe of water pump, described circulating water pool is connected to alkali lye pond by pipeline, and described alkali lye pond is for the alkali lye import in alkali lye to chilling and absorption tower.
In a preferred embodiment of the present invention, comprise further and be provided with a water softener by what be with the water pipe of water pump to be connected with described cistern, the delivery port of described water softener is connected with cistern by water pipe.
In a preferred embodiment of the present invention, comprise the described 4th further to enter mouth, ash discharging hole and the 6th outlet flue and be separately positioned on the latter half of dust-removing box side, top and bottom, a demarcation strip is provided with in described dust-removing box, space partition in dust-removing box is upper box and lower box by described demarcation strip, passage is offered at the center of described demarcation strip, described dedusting filtering bag is fixed on demarcation strip, and its sack aims at passage setting, the bag of described dedusting filtering bag stretches in lower box and arranges.
In a preferred embodiment of the present invention, comprise described upper box internal fixtion further and be provided with an injection tube inside its cover plate, in described injection tube, interval is provided with multiple winding-up mouth uniformly, one end of described sparge pipe is stretched out casing and is extended laterally, be fixed on and described dust-removing box is provided with a pressure gas tank, described injection tube is stretched out one end that dust-removing box extends laterally and is communicated to pressure gas tank.
In a preferred embodiment of the present invention, comprise described injection tube further and be provided with electromagnetic impulse valve, described controller control connection electromagnetic impulse valve.
The invention has the beneficial effects as follows: discarded object environment protection emission system synthesis burning process solid waste of the present invention and liquid debris, and purified treatment is carried out to the waste gas produced in combustion process, useless cigarette, finally completely innoxious, the effluent standard that meets GB GB18484-2001 (" dangerous waste incineration Environmental capacity standard ").System run all right, burning are thoroughly, vent gas treatment is completely innoxious, can effectively control to reduce operating cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the electrical control schematic diagram of the preferred embodiment of the present invention.
Wherein, 2-pyrolysis gasification furnace, 21-charging aperture, 22-first air inlet, 23-first water inlet, 24-first outlet flue, 25-dust-exhausting port, 26-first air blast, 27-retaining time, 28-temperature sensor, 29-pressure sensor, 30-controller, 31-water softener;
4-solid waste combustion furnace, 41-first enters mouth, 42-second outlet flue, 43-second air inlet, 44-first air-introduced machine, 45-second air blast, 46-burner, 47-the 4th air blast;
6-incineration of liquor stove, 61-the 3rd air inlet, 62-second water inlet, 63-the 3rd outlet flue, 64-inlet, 65-the 3rd air blast, 66-second air-introduced machine, 67-fluid reservoir, 68-injector, 69-flowmeter, 70-the 5th air blast, 71-the 6th enters mouth;
8-flue gas heat-exchange unit, 81-the 3rd water inlet, 82-second enters mouth, 83-the 4th outlet flue, 84-delivery port, 85-the 3rd air-introduced machine;
In 10-chilling and absorption tower, 101-the 3rd enters mouth, 102-the 4th water inlet, the import of 103-alkali lye, 104-the 5th outlet flue, 105-the 4th air-introduced machine, 106-first high pressure nozzle, 107-second high pressure nozzle, 108-first baffle plate, 109-second baffle, 110-third gear plate, 111-fourth gear plate, 112-fifth gear plate, 113-leakage fluid dram, 114-circulating water pool, 115-alkali lye pond;
12-bag-type dust collector, 121-dust-removing box, 121a-upper box, 121b-lower box, 122-the 4th enters mouth, 123-ash discharging hole, 124-the 6th outlet flue, 125-depickling dust suction tracheae, 126-the 5th air-introduced machine, 127-dedusting filtering bag, 128-oscillating plate, 129-vibrator, 130-demarcation strip, 131-injection tube, 132-jets mouth, 133-pressure gas tank, 134-electromagnetic impulse valve;
14-depickling adsorbent equipment, 141-calcium hydroxide storage tank, 142-active carbon storage tank, 143-first blender, 144-second blender;
16-water circulation depickling dedusting washing tower, 161-the 5th enters mouth, and 162-pure qi (oxygen) exports;
18-chimney, 20-on-line measuring device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, 2, in the present embodiment, disclose the system of a kind of integrated treatment solid-state industries discarded object and liquid-state industrial discarded object, the final discharge of harmless environmental protection in a gaseous form after native system process.
Exhaust gas purification system is shared in liquid-state industrial discarded object of the present invention and solid-state industries offal treatment process.
Have in pyrolysis gasification furnace 2, solid waste combustion furnace 4, flue gas heat-exchange unit 8, chilling and absorption tower 10, depickling adsorbent equipment 14, bag-type dust collector 12, water circulation depickling dedusting washing tower 16 and chimney 18 during process solid-state industries discarded object.
Solid waste first combustion and pyrolysis gasification under anoxia condition in pyrolysis gasification furnace 2, the discarded object of filling is progressively carried out drying, cracking, burning and after-flame by the heat energy of spent discarded object release in stove, final pyrolytic gasification produces fuel gas, fuel gas enters in solid waste combustion furnace 4 subsequently, mixed combustion is carried out with the air of preheating in advance, by the temperature in control solid waste combustion furnace 4 between 1100 DEG C ~ 1150 DEG C, effectively can control the generation of bioxin; By the burning cooperation of pyrolysis gasification furnace 2 and solid waste combustion furnace 4, waste combustion is changed into CO 2and various corresponding sour gas, burning is thoroughly;
The waste gas produced after burning, flue dust enter flue gas heat-exchange unit 8, exchange radiating and cooling, produce the saturated vapor that can recycle simultaneously;
In chilling and absorption tower 10, by controlling the working environment in absorption tower, effectively can contain the synthesis again of bioxin, simultaneously to useless cigarette, waste gas carry out first once in and depickling, dust removal process, the sour gas of removal about 40% ~ 50% can be neutralized;
In first time and depickling, the waste gas after dust removal process, useless cigarette before entering bag-type dust collector 12, sprinkling pulverized limestone and active carbon are carried out to it, on the one hand pulverized limestone carries out in second time and depickling to useless cigarette, waste gas, and active carbon carries out the absorption of heavy metal adsorption and PCDDS/PCDFS to useless cigarette, waste gas; On the other hand to waste gas, useless tobacco powder networking, deposit, form powder net through bag-type dust collector on bag wall, unreacted absorbent continues gaseous acid material and Adsorption of Heavy Metals in the useless cigarette of neutralization, waste gas, improves absorption, deacidification effect;
Flue dust after absorption and secondary depickling process enters bag-type dust collector 12, carries out final dusting process, can remove the flue dust of 85% ~ 90%; Separately, the bag-type dust collector of optimal design is configured with automatic ash removing function, can improve the service life of dust removing effects and cloth bag;
Flue gas after final dusting enters water circulation depickling dedusting washing tower 16, carry out three depicklings, third dedusting, make the effluent standard that the gas that discharges from chimney is completely innoxious, meet GB GB18484-2001 (" dangerous waste incineration Environmental capacity standard "); On-Line Monitor Device is directly networked Environmental Protection Agency, the composition of Real-Time Monitoring emission gases from chimney, concentration and flow, temperature etc.
Have in incineration of liquor stove 6, chilling when processing liquid industrial waste gas thing and absorption tower 10, depickling adsorbent equipment 14, bag-type dust collector 12, water circulation depickling dedusting washing tower 16 and chimney 18.
The high-temp combustion of waste liquid is completed in incineration of liquor stove 6, with the flue gas of the waste liquid of vapour atomized spray fully contact High Temperature Rotating rising in combustion furnace, moisture in waste liquid is by heating evaporation, most poisonous and harmful substances in waste liquid are at high temperature burnt completely, after-flame produces volume of smoke, CO2 and various corresponding sour gas, by the burning situation in adjustment combustion chamber, while guaranteeing to burn completely, effectively control the generation of bioxin.
The waste gas that waste liquid thoroughly produces after burning in incineration of liquor stove 6, flue dust enter in chilling and absorption tower 10, to useless cigarette, waste gas carry out first once in and depickling, dust removal process, the sour gas of removal about 40% ~ 50% can be neutralized; Simultaneously by controlling the working environment in absorption tower, effectively can contain the synthesis again of bioxin, because the flue gas produced after incineration of liquor has high halogen-containing characteristic, liquid discarded object of the present invention does not enter flue gas heat-exchange unit 8 after burning disposal and the water heater directly entering incineration of liquor system carries out heat exchange, flue gas after heat exchange enters in chilling and absorption tower 10, the 3rd water inlet 81 that thermogenetic hot water enters flue gas heat-exchange unit 8 is changed in water heater, hot water uses as a supplement, recycle, reduce system operation cost.
Flue dust after absorption and secondary depickling process enters bag-type dust collector 12, carries out final dusting process, can remove the flue dust of 85% ~ 90%; Separately, the bag-type dust collector of optimal design is configured with automatic ash removing function, can improve the service life of dust removing effects and cloth bag;
Flue gas after final dusting enters water circulation depickling dedusting washing tower 8, carries out three depicklings, third dedusting, makes the gas discharged from chimney meet the effluent standard of GB GB18484-2001 (" dangerous waste incineration Environmental capacity standard "); On-Line Monitor Device is directly networked Environmental Protection Agency, the composition of Real-Time Monitoring emission gases from chimney, concentration and flow, temperature etc.
Concrete:
One, the combustion process of solid-state castoff: pyrolysis gasification furnace 2 and solid waste combustion furnace 4
Pyrolysis gasification furnace 2 of the present invention has can three of independent operating, be respectively A stove, B stove, C stove, every pyrolysis gasification furnace 2 is all configured with charging aperture 21, first air inlet 22, first water inlet 23, first outlet flue 24 and dust-exhausting port 25, first air inlet 22 of each pyrolysis gasification furnace 2 is all by being with the tracheae of air valve to be connected to the first air blast 26, first water inlet 23 of each pyrolysis gasification furnace 2 is all connected to cistern 27 by the water pipe of band water-supply valve and water pump, and what be communicated with the dust-exhausting port 25 of each pyrolysis gasification furnace 2 is provided with ash bucket;
Solid waste combustion furnace 4, it is configured with first and enters mouth 41, second outlet flue 42, second air inlet 43, what the first outlet flue 24 of each described pyrolysis gasification furnace 2 was all connected to described solid waste combustion furnace 4 by pipeline second enters mouth 41, described second outlet flue 42 is connected to the first air-introduced machine 44 by being with the tracheae of air valve, second air inlet 43 is connected to the second air blast 45 by being with the tracheae of air valve, is equipped with burner 46 in each described pyrolysis gasification furnace 2 and solid waste combustion furnace.
First discarded object drops into pyrolysis gasification furnace 2, meanwhile start the burner 46 in solid waste combustion furnace 4, the design temperature of 1100 DEG C will be warming up in solid waste combustion furnace 4, start the burner 46 in pyrolysis gasification furnace 2 subsequently, ignition discarded object, in pyrolysis gasification furnace 2, the air of oxygen amount 20% ~ 30% needed for stoichiometry that oxygen amount only has burning is supplied by the first air blast 26, in pyrolysis gasification furnace 2, discarded object carries out the combustion and pyrolysis gasification of anaerobic environment, the long strand of various compound is progressively broken and becomes short molecular chain, become fuel gas, the Main Ingredients and Appearance of fuel gas is: N2, H2, CH4, C2H6, C6H8, CO and volatile sulfur, flammable chlorine etc., fuel gas enters in solid waste combustion furnace 4 subsequently, mixed combustion is carried out with the air of preheating in advance, what burn in the whole combustion process in solid waste combustion furnace 4 is gaseous material, the flue gas time of staying in solid waste combustion furnace 4 produced is more than 2s, in such a case, overwhelming majority toxic and harmful is entirely destroyed and changes into CO2 and various corresponding sour gas, as polyethylene, chloride etc.Start the first air-introduced machine 44 to make to form tiny structure environment in solid waste combustion furnace 4, guiding fuel gas enters in solid waste combustion furnace 4, the flue gas produced after solid waste combustion furnace 4 burns is discharged from the second outlet flue 42, sends into follow-up exhaust gas purification system and carries out processing rear discharge.The present invention all the time between 1100 DEG C ~ 1150 DEG C, effectively can control the generation of bioxin by the temperature in control combustion stove 4; By the burning cooperation of pyrolysis gasification furnace 2 and solid waste combustion furnace 4, waste combustion is changed into CO2 and various corresponding sour gas, burning thoroughly.
Simultaneously, after three pyrolysis gasification furnaces 2 are set, in system operation, first discarded object is dropped in A stove, in the process of A furnace igniting burning, discarded object is dropped into B stove, when A stove organic matter in garbage is tending towards 1 ~ 3%, journey can by look state time, B stove has also fed intake complete, start igniting, initial stage, A stove participates in the combustible gas scale of construction required when fuel gas adds that the initial amount of vaporization of B stove just in time can make temperature in solid waste combustion furnace 4 maintain the nature of about 1110 DEG C all the time, in the process of B furnace igniting burning, discarded object is dropped into C stove, A stove carries out deashing process, with each pyrolysis gasification furnace 2 of this alternate run, guarantee that burning is uninterrupted, the disposal ability of raising equipment, control temperature in solid waste combustion furnace 4 maintains between 1110 DEG C simultaneously all the time, be beneficial to the generation of containment bioxin.
Two, the combustion process of liquid discarded object: incineration of liquor stove 6
Incineration of liquor stove 6, it is configured with the 3rd air inlet 61, second water inlet 62, 3rd outlet flue 63, 6th enters mouth 71 and three inlets 64, 6th enters first outlet flue 24 of mouth 71 by being with the tracheae of smoke valve to be connected to one of them pyrolysis gasification furnace 2, what be connected with the 3rd air inlet 61 by being with the tracheae of air valve is provided with the 3rd air blast 65, second water inlet 62 is connected to described cistern 27 by the water pipe of band water valve and water pump, what be connected with the 3rd outlet flue 63 by being with the tracheae of smoke valve is provided with the second air-introduced machine 66, described inlet 64 is configured in incineration of liquor stove 6 on the sidewall of furnace bottom, described 3rd outlet flue 63 is configured in incineration of liquor stove 6 on the sidewall of furnace roof, corresponding each inlet 64 is configured with a waste liquid spraying pay-off respectively, described waste liquid spraying pay-off comprises fluid reservoir 67, with the sewer pipe of waste drains pump, and injector 68, sewer pipe one end connects fluid reservoir 67, its other end is communicated with incineration of liquor stove 6 by inlet 64, described injector 68 be arranged on stretch into incineration of liquor stove 6 inside sewer pipe on, burner 46 is equipped with in each pyrolysis gasification furnace 6.
First burner 46 is started, intensification preheating incineration of liquor stove 6, when in-furnace temperature rises to 650 DEG C, start waste liquid spraying pay-off, when waste liquid is injected in incineration of liquor stove 6 with steam fog shape, in-furnace temperature approaches about 1150 DEG C, in incineration of liquor stove 6, the air of oxygen amount 20% ~ 30% needed for stoichiometry that oxygen amount only has burning is supplied by the 3rd air blast 65, the flue gas of steam fog shape waste liquid fully contact High Temperature Rotating rising in incineration of liquor stove 6, water-sealing high temperature evaporation in waste liquid, most poisonous and harmful substances in waste liquid are at high temperature burnt completely, after-flame produces volume of smoke, CO2, and various corresponding sour gas, final discharge from the 3rd outlet flue 63 under the suction of the second air-introduced machine 66.By the position of reasonable Arrangement inlet 64 and the 3rd outlet flue 63, namely the 3rd outlet flue 63 is arranged in the sidewall of incineration of liquor stove 6 near furnace roof, inlet 64 is arranged in the sidewall of incineration of liquor stove 6 near furnace bottom, make the flue gas after burning compared to waste liquid with in reverse inflow incineration of liquor stove 6, improve the heat utilization efficiency of incineration of liquor stove 6.
Separately, the present invention is by controlling the temperature of incineration of liquor stove 6 combustion all the time between 1100 DEG C ~ 1150 DEG C, effectively can control the generation of bioxin, by arranging three inlets 64 and supporting waste liquid spraying pay-off, alternately start or start simultaneously waste liquid spraying pay-off, guarantee that burning is uninterruptedly carried out, improve the disposal ability of system.
Separately, the present invention is in order to reduce operating cost, incineration of liquor stove 6 enters mouth 71 by the 6th and is connected with the first outlet flue 24 of one of them pyrolysis gasification furnace 2, the high heat flue gas produced in pyrolysis gasification furnace 2 combustion process enters in incineration of liquor stove 6, for the burning of heating of waste liquid in incineration of liquor stove 6, reduce the use amount of fuel when incineration of liquor stove 6 burns, the fuel cost of 30% ~ 50% can be saved.
Three, flue gas heat-exchange unit 8
Flue gas heat-exchange unit 8, it is configured with the 3rd water inlet 81, second and enters mouth 82, the 4th outlet flue 83, delivery port 84,3rd water inlet 81 is connected to water tank by the water pipe of band water valve and water pump, second enters mouth 82 is connected with the second outlet flue 42 of solid waste combustion furnace 4 by the band tracheae of smoke valve, and the 4th outlet flue 83 is connected to the 3rd air-introduced machine 85 by being with the tracheae of air valve.
The flue gas produced after mixed combustion in solid waste combustion furnace 4 enters flue gas heat-exchange unit 8 and carries out exchange radiating and cooling, produces the saturated vapor that can recycle, reduces the thermic load of subsequent technique simultaneously, with the technological parameter on absorption tower 10 in adjustment chilling.
Four, in chilling and absorption tower 10
In chilling and absorption tower 10, it is configured with the 3rd and enters mouth 101, 4th water inlet 102, alkali lye import 103 and the 5th outlet flue 104, 4th outlet flue 83 of described flue gas heat-exchange unit 8 and the 3rd outlet flue 63 of incineration of liquor stove 6 all enter mouth 101 by being with the tracheae of smoke valve to be connected to the described 3rd, 3rd enters mouth 101 is configured in tower body top, 4th water inlet 102 is connected at least described cistern 27 by band water valve with the water pipe of water pump, what be connected with the 5th outlet flue 104 by being with the tracheae of smoke valve is provided with the 4th air-introduced machine 105, by the 4th water inlet 102 be communicated with absorption tower 10 in chilling be provided with the cooling water pipe being with spray pump, described cooling water pipe stretches in chilling and is provided with the first high pressure nozzle 106 with the one end in absorption tower 10, first high pressure nozzle 106 to enter in chilling after starting and flue dust instantaneous temperature reduction to 200 DEG C in absorption tower 10, by described alkali lye import be communicated with absorption tower in chilling be provided with the alkali liquor pipe being with lye pump, described alkali liquor pipe stretches in chilling and is provided with the second high pressure nozzle 107 with the one end in absorption tower, second high pressure nozzle 107 is sprayed onto after starting in chilling and forms alkaline water rete instantaneously with the alkali lye on the inwall of absorption tower.
The flue dust that high temperature incineration produces can again synthesize generation bioxin when high temperature is reduced between 250 DEG C ~ 500 DEG C, in order to contain the synthesis again of bioxin, the present invention by the first high pressure nozzle 106 in chilling and absorption tower 10 in inject high pressure cooling water, by entering in chilling and temperature rapid cooling to 200 DEG C in the flue dust 1S of about 500 DEG C in absorption tower 10, the synthesis again of bioxin effectively can be contained with this; After rapid cooling by the second high pressure nozzle 107 by alkali lye along to be tangentially sprayed onto in chilling and on the inwall of absorption tower 10, inwall to be formed one deck and rotates the alkaline water rete flowed downward, alkaline water rete in flow process in and sour gas, neutralization deacidifies; Simultaneously grit is separated by centrifugal action, throws to tower body inwall, adsorb by alkaline water rete, flow to bottom with water and discharge, realize the depickling dedusting of waste gas, useless cigarette.
Through chilling, flue dust water capacity after depickling is high, in order to ensure that flue dust can enter back segment bag-type dust collector 12 and carry out further dedusting, need chilling, after depickling flue dust carry out atomization water-removing, in chilling of the present invention and absorption tower 10 is also provided with atomizing tower body, with to chilling, high humidity flue dust after depickling carries out atomization water-removing, the first baffle plate 108 is provided with successively in described aqueous vapor atomization tower body, second baffle 109, third gear plate 110, fourth gear plate 111, fifth gear plate 112, described first baffle plate 108, second baffle 109, third gear plate 110 sets gradually along the trend of flue dust in atomizing tower body, and three is all vertically arranged, the top of the first baffle plate 108 is fixed on tower body sidewall, its bottom is not arranged at the bottom of contact tower, the bottom of second baffle 109 is fixed at the bottom of tower, its top does not contact tower top and arranges, the top that third gear plate 110 erects is fixed on tower body, its bottom is not arranged at the bottom of contact tower, fourth gear plate 111 and fifth gear plate 112 all horizontally sets, both are separately fixed on two sidewalls that tower body is oppositely arranged, and both other ends all do not contact tower body setting.By arranging baffle plate in tower body, the flue gas stream being mingled with steam on the one hand collides on baffle plate, atomizing is made by physical impacts, be separated by the obstruct of baffle plate on the other hand and little for the density flue gas being positioned at top is discharged, and density be positioned at greatly below grit, water can not with flue gas by baffle, the effect play dedusting further, dewatering.
Five, bag-type dust collector 12
Bag-type dust collector 12, it is configured with dust-removing box 121, 4th enters mouth 122, ash discharging hole 123 and the 6th outlet flue 124, 4th enters mouth 122 is configured in dust-removing box 121 on the sidewall of position, intermediate portion, 4th enters mouth 122 is connected with the 5th outlet flue 104 in chilling and absorption tower 10 by depickling absorption tracheae 125, 6th outlet flue 124 is configured in the top of dust-removing box 121, what be connected with the 6th outlet flue 124 by being with the tracheae of smoke valve is provided with the 5th air-introduced machine 126, dedusting filtering bag 127 is provided with in described dust-removing box 121, part stretches into and is provided with oscillating plate 128 in dust-removing box 121, described oscillating plate 128 position of stretching out outside dust-removing box 121 is provided with vibrator 129.
Start the 5th air-introduced machine 126 to make to form subnormal ambient in dust-removing box 121, in the dust-removing box 121 of band subnormal ambient, dirt gas enters mouth 122 from the 4th and enters dedusting filtering bag 127, dedusting filtering bag 127 pairs of dirt gas carry out dirt, gas is separated, gas after separation is discharged from the 6th outlet flue 124, enter the back segment operation of trade waste process, dust after separation is discharged from ash discharging hole 123, the dust-removing box 121 of funnel-shaped structure is beneficial to and makes the dust after being separated enter ash discharging hole 123 and discharge, the standard of Exhaust Gas from the 6th outlet flue 124 can be controlled by the order number adjusting dedusting filtering bag 127, of the present invention 4th enters mouth 122, the specific position design of ash discharging hole 123 and the 6th outlet flue 124, namely the 6th outlet flue 124 is arranged on the top of dust-removing box 121, ash discharging hole 123 is arranged on the lower curtate of dust-removing box 121, 4th enters the latter half that mouth 122 is arranged on dust-removing box 121 side, make the stroke of gas in dust-removing box 121 the longest, the filter dirt better effects if of gas, improve dust removing effects.
Dedusting filtering bag 127 works after a period of time, dust easily blocks the mesh of dedusting filtering bag 127, mesh blocking forms a barrier to mesh itself time to a certain degree, and restriction gas passes, and causes the dedusting fault of dust arrester, now Vibration on Start-up device 129, oscillating plate 128 is along with vibration, and vibration processes shake dedusting filtering bag 127, will be adsorbed on dust on dedusting filtering bag 127 and shake off, avoid dust to block filter opening, form the automatic ash removing function of bag-type dust collector 12 of the present invention since then.
As a further improvement on the present invention, a demarcation strip 130 is provided with in described dust-removing box 121, space partition in dust-removing box 121 is upper box 121a and lower box 121b by described demarcation strip 130, passage is offered at the center of described demarcation strip 130, described dedusting filtering bag 127 is fixed on demarcation strip 130, and its sack aims at passage setting, the bag of described dedusting filtering bag 127 stretches in lower box 121b.After dust-removing box 121 cuts off by increase demarcation strip 130, passage on demarcation strip 130 be from the 6th outlet flue 124 discharge must through position, and the dust outside being isolated in by dedusting filtering bag 127 impossible enter passage and discharge from the 6th outlet flue 124, further increase dust removing effects.
In order to further optimize the automatic ash removing function of bag-type dust collector 12, described upper box 121a internal fixtion is provided with an injection tube 131 inside its cover plate, in described injection tube 131, interval is provided with multiple winding-up mouth 132 uniformly, one end of described injection tube 131 is stretched out dust-removing box 121 and is extended laterally, be fixed on and described dust-removing box 121 is provided with a pressure gas tank 133, described injection tube 131 is stretched out one end that dust-removing box 121 extends laterally and is communicated to pressure gas tank 133.Dedusting filtering bag 127 is cleaned to dedusting filtering bag 127 blowing pressurized air by injection tube 131, so as not to dust arrester when dedusting filtering bag 127 works long hours because of the fault that causes of dust blocking mesh.The preferred described injection tube 131 of the present invention is provided with electromagnetic impulse valve 134, electromagnetic impulse valve 134 described in controller 30 control connection, by controller 30 control electromagnetic impulse valve 134 timing or Pulse Width Control open, realize the automatic cleaning of dedusting filtering bag 127, without the need to artificial participation, wherein, controller 30 can also by controlling adjustment pulse width, the mode of pulse spacing and period distances controls the effect of cleaning.
Six, depickling adsorbent equipment 14
It is configured in chilling and between absorption tower 10 and bag-type dust collector 12, it comprises calcium hydroxide storage tank 141, active carbon storage tank 142; Calcium hydroxide storage tank 141 adsorbs tracheae 125 by the first pipeline and described depickling and is connected, and described first pipeline is provided with the first blender 143, sprays lime powder by the first blender 143 in depickling absorption tracheae 125; Active carbon storage tank 141 adsorbs tracheae 125 by second pipe and described depickling and is connected, and described second pipe is provided with the second blender 144, sprays activated carbon powder by the second blender 144 in depickling absorption tracheae 125.
Useless cigarette after in chilling and absorption tower 10 processes, waste gas carry out sprinkling pulverized limestone and active carbon based on depickling adsorbent equipment 14 to it before entering bag-type dust collector 12, on the one hand pulverized limestone carries out in second time and depickling to useless cigarette, waste gas, and active carbon carries out the absorption of heavy metal adsorption and PCDDS/PCDFS to useless cigarette, waste gas; On the other hand to waste gas, useless tobacco powder networking, deposit, form powder net when bag-type dust collector 12 on bag wall, unreacted absorbent continues gaseous acid material and Adsorption of Heavy Metals in the useless cigarette of neutralization, waste gas, improves absorption, deacidification effect.
Seven, water circulation depickling dedusting washing tower 16
It is configured with, and the 5th enters mouth 161, pure qi (oxygen) outlet the 162, five is entered mouth 161 and is configured at the bottom of tower, and pure qi (oxygen) outlet 162 is configured in tower top, and the 5th enters mouth 161 is connected with the 6th outlet flue 124 of bag-type dust collector 12 by tracheae.In water circulation depickling dedusting washing tower 16, last washing depickling, dust removal process are carried out to flue gas, final pure qi (oxygen) is environment protection emission from chimney 18, on-line measuring device 20 is provided with, sulfur dioxide concentration, nitrous oxides concentration, carbonomonoxide concentration, gas concentration lwevel, hydrogen cloride concentration, oxygen concentration, flue dust temperature, moisture content, pressure, flow velocity in the clean flue gas that Real-Time Monitoring discharges from chimney in chimney 18.
As a further improvement on the present invention, described solid waste combustion furnace 2, temperature sensor 28 and pressure sensor 29 is equipped with in incineration of liquor stove 6 and each pyrolysis gasification furnace 2, the sewer pipe of each waste liquid plastic-blasting pay-off is equipped with flowmeter 69, the each temperature sensor 28 of controller 30 control connection, pressure sensor 29, flowmeter 69, force value VFC first air-introduced machine 44 that controller 30 feeds back according to solid waste combustion furnace 2 pressure sensor 29 and the motor speed both the second air blast 45, force value VFC second air-introduced machine 66 that controller 30 feeds back according to incineration of liquor stove 6 pressure sensor 29 and the motor speed both the 3rd air blast 65.Whole system of the present invention is a normal pressure system, and the rotating speed controlling the first air-introduced machine 44, second air blast 45, second air-introduced machine 66 and the 3rd air blast 65 4 motor by controller 30 controls the air capacity of whole system, guarantees system stable operation.
Controller 30 controls the burner 46 in it according to the temperature value that temperature sensor 28 in solid waste combustion furnace 4 feeds back, controller 30 controls the burner 46 in it according to the temperature value that temperature sensor 28 in incineration of liquor stove 6 feeds back, controller 30 controls the burner 46 in it according to the temperature value that temperature sensor 28 in pyrolysis gasification furnace 2 feeds back.According to the temperature value control connection burner 46 that temperature sensor 28 feeds back, system cloud gray model Time Controller 30 guarantees that ignition temperature in solid waste combustion furnace 4 is all the time between 1100 DEG C ~ 1150 DEG C, the generation of effective control bioxin, temperature in system cloud gray model time control pyrolysis gasification furnace 2, all the time between 600 DEG C ~ 800 DEG C, guarantees the thorough burning of discarded object.According to the temperature value burner 46 controlled in it that temperature sensor 28 in incineration of liquor stove 6 feeds back, system cloud gray model Time Controller 30 guarantees that temperature in incineration of liquor stove 6 is all the time between 1100 DEG C ~ 1150 DEG C, effectively control the generation of bioxin.
Injector 68 described in the flow value control connection that controller 30 feeds back according to flowmeter 69.The next continuous spraying of waste liquid amount normal condition enters, and when the flow value that flowmeter 69 feeds back is less or waste liquid is concentrated, controller 30 controls injector 68 and is interrupted hydrojet, to maintain the stable of temperature in incineration of liquor stove 6.
In described solid waste combustion furnace 4, secondary supplement air is provided with the 4th air blast 47, the air inlet of outlet by being with the pipeline of air valve to be connected to solid waste combustion furnace 4 of described 4th air blast 47, in described incineration of liquor stove 6, secondary supplement air is provided with the 5th air blast 70, the air inlet of outlet by being with the pipeline of air valve to be connected to incineration of liquor stove of described 5th air blast 70.Controlling the 5th air blast 70 of wind supply quantity by being provided with controller 30, making heat so property gas rotating burning in incineration of liquor stove 6, improving gas residence time, guarantee that waste liquid thoroughly burns.Controlling the 4th air blast 47 of wind supply quantity by being provided with controller 30, making heat so property gas rotating burning in solid waste combustion furnace 4, improving gas residence time, guarantee that waste liquid thoroughly burns.
The bottom in described chilling and absorption tower 10 is also provided with leakage fluid dram 113, described leakage fluid dram 113 is connected to a circulating water pool 114 by being with the drainpipe of water pump, described circulating water pool 114 is connected to alkali lye pond 115 by pipeline, described alkali lye pond 115 is for the alkali lye import 103 in alkali lye to chilling and absorption tower 10, in chilling and in absorption tower 10, the unevaporated alkali lye of part discharges Posterior circle use, reduces equipment operating cost.
In order to avoid the furnace wall fouling of pyrolysis gasification furnace 2, solid waste combustion furnace 4 and incineration of liquor stove 6, and to avoid in chilling and the tower wall fouling on absorption tower 10, what be connected with described cistern 27 by being with the water pipe of water pump is provided with a water softener 31, and the delivery port of described water softener 31 is connected with cistern 27 by water pipe.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. an environment protection emission treatment system for trade waste, is characterized in that: comprise,
At least two pyrolysis gasification furnaces, every pyrolysis gasification furnace is all configured with charging aperture, the first air inlet, the first water inlet, the first outlet flue and dust-exhausting port, first air inlet of each pyrolysis gasification furnace is all by being with the tracheae of air valve to be connected to the first air blast, first water inlet of each pyrolysis gasification furnace is all connected to cistern by the water pipe of band water-supply valve and water pump, and what be communicated with the dust-exhausting port of each pyrolysis gasification furnace is provided with ash bucket;
Solid waste combustion furnace, it is configured with first and enters mouth, the second outlet flue, the second air inlet, what the first outlet flue of each described pyrolysis gasification furnace was all connected to described solid waste combustion furnace by pipeline second enters mouth, described second outlet flue is connected to the first air-introduced machine by being with the tracheae of air valve, and the second air inlet is connected to the second air blast by being with the tracheae of air valve;
Incineration of liquor stove, it is configured with the 3rd air inlet, second water inlet, 3rd outlet flue, 6th enters mouth and several inlets, 6th enters first outlet flue of mouth by being with the tracheae of smoke valve to be connected to pyrolysis gasification furnace described in one of them, what be connected with the 3rd air inlet by being with the tracheae of air valve is provided with the 3rd air blast, second water inlet is connected to described cistern by the water pipe of band water valve and water pump, what be connected with the 3rd outlet flue by being with the tracheae of smoke valve is provided with the second air-introduced machine, described inlet is configured in incineration of liquor stove on the sidewall of furnace bottom, described 3rd outlet flue is configured in incineration of liquor stove on the sidewall of furnace roof, corresponding each inlet is configured with a waste liquid spraying pay-off respectively, described waste liquid spraying pay-off comprises fluid reservoir, with the sewer pipe of waste drains pump, and injector, sewer pipe one end connects fluid reservoir, its other end is communicated with incineration of liquor stove by inlet, described injector be arranged on stretch into incineration of liquor furnace interior sewer pipe on, burner is equipped with in each described pyrolysis gasification furnace, solid waste combustion furnace and incineration of liquor stove,
Flue gas heat-exchange unit, it is configured with the 3rd water inlet, second and enters mouth, the 4th outlet flue, delivery port, 3rd water inlet is connected to water tank by the water pipe of band water valve and water pump, second enters mouth is connected with the second outlet flue of solid waste combustion furnace by the band tracheae of smoke valve, and the 4th outlet flue is connected to the 3rd air-introduced machine by being with the tracheae of air valve;
In chilling and absorption tower, it is configured with the 3rd and enters mouth, 4th water inlet, alkali lye import and the 5th outlet flue, 4th outlet flue of described flue gas heat-exchange unit and the 3rd outlet flue of incineration of liquor stove all enter mouth by being with the tracheae of smoke valve to be connected to the described 3rd, 3rd enters mouth is configured in tower body top, 4th water inlet is connected at least described cistern by band water valve with the water pipe of water pump, what be connected with the 5th outlet flue by being with the tracheae of smoke valve is provided with the 4th air-introduced machine, by the 4th water inlet be communicated with absorption tower in chilling be provided with the cooling water pipe being with spray pump, described cooling water pipe stretches in chilling and is provided with the first high pressure nozzle with the one end in absorption tower, first high pressure nozzle to enter in chilling after starting and flue dust instantaneous temperature reduction to 200 DEG C in absorption tower, by described alkali lye import be communicated with absorption tower in chilling be provided with the alkali liquor pipe being with lye pump, described alkali liquor pipe stretches in chilling and is provided with the second high pressure nozzle with the one end in absorption tower, second high pressure nozzle is sprayed onto after starting in chilling and forms alkaline water rete instantaneously with the alkali lye on the inwall of absorption tower,
Bag-type dust collector, it is configured with dust-removing box, 4th enters mouth, ash discharging hole and the 6th outlet flue, 4th enters mouth is configured in dust-removing box on the sidewall of position, intermediate portion, 4th enters mouth is connected with the 5th outlet flue in chilling and absorption tower by depickling absorption tracheae, 6th outlet flue is configured in the top of dust-removing box, what be connected with the 6th outlet flue by being with the tracheae of smoke valve is provided with the 5th air-introduced machine, dedusting filtering bag is provided with in described dust-removing box, part stretches into and is provided with oscillating plate in dust-removing box, the position that described oscillating plate stretches out outside dust-removing box is provided with vibrator,
Depickling adsorbent equipment, it is configured in chilling and between absorption tower and bag-type dust collector, and it comprises calcium hydroxide storage tank, active carbon storage tank; Calcium hydroxide storage tank adsorbs tracheae by the first pipeline with described depickling and is connected, and described first pipeline is provided with the first blender, sprays lime powder by the first blender to depickling absorption tracheal strips; Active carbon storage tank adsorbs tracheae by second pipe and described depickling and is connected, and described second pipe is provided with the second blender, sprays activated carbon powder by the second blender to depickling absorption tracheal strips;
Water circulation depickling dedusting washing tower, it is configured with the 5th and enters mouth, pure qi (oxygen) outlet, and the 5th enters mouth is configured at the bottom of tower, and pure qi (oxygen) outlet is configured in tower top, and the 5th enters mouth is connected with the 6th outlet flue of bag-type dust collector by tracheae;
And the chimney of pure qi (oxygen) outlet with water circulation depickling dedusting washing tower, be provided with on-Line Monitor Device in described chimney, on-Line Monitor Device at least can sulfur dioxide concentration, nitrous oxides concentration, carbonomonoxide concentration, gas concentration lwevel, hydrogen cloride concentration, oxygen concentration, flue dust temperature, moisture content, pressure, flow velocity in the clean flue gas that discharges from chimney of Real-Time Monitoring.
2. the environment protection emission treatment system of trade waste according to claim 1, it is characterized in that: described solid waste combustion furnace, temperature sensor and pressure sensor is equipped with in incineration of liquor stove and each pyrolysis gasification furnace, the sewer pipe of each waste liquid plastic-blasting pay-off is equipped with flowmeter, the each temperature sensor of control connection, pressure sensor, flowmeter be provided with controller, the motor speed of force value VFC first air-introduced machine that controller feeds back according to solid waste combustion furnace pressure sensor and the second air blast, controller is according to the motor speed of force value VFC second air-introduced machine of incineration of liquor furnace pressure sensor feedback and the 3rd air blast, controller controls the burner in it according to the temperature value of temperature sensor feedback in solid waste combustion furnace, controller controls the burner in it according to the temperature value of incineration of liquor in-furnace temperature sensor feedback, controller controls the burner in it according to the temperature value of temperature sensor feedback in pyrolysis gasification furnace, injector described in the flow value control connection that controller feeds back according to flowmeter.
3. the environment protection emission treatment system of trade waste according to claim 1, it is characterized in that: described incineration of liquor stove is configured with three inlets, corresponding three inlets are configured with three cover waste liquid spraying pay-offs, and described pyrolysis gasification furnace is configured with three of independent operating.
4. the environment protection emission treatment system of trade waste according to claim 1, it is characterized in that: in described solid waste combustion furnace, secondary supplement air is provided with the 4th air blast, the air inlet of outlet by being with the pipeline of air valve to be connected to solid waste combustion furnace of described 4th air blast, in described incineration of liquor stove, secondary supplement air is provided with the 5th air blast, the air inlet of outlet by being with the pipeline of air valve to be connected to incineration of liquor stove of described 5th air blast.
5. the environment protection emission treatment system of trade waste according to claim 1 and 2, it is characterized in that: in described chilling He in absorption tower, be also provided with atomizing tower body, the first baffle plate is provided with successively in described aqueous vapor atomization tower body, second baffle, third gear plate, fourth gear plate, fifth gear plate, described first baffle plate, second baffle, third gear plate sets gradually along the trend of flue dust in atomizing tower body, and three is all vertically arranged, the top of the first baffle plate is fixed on tower body sidewall, its bottom is not arranged at the bottom of contact tower, the bottom of second baffle is fixed at the bottom of tower, its top does not contact tower top and arranges, the top that third gear plate erects is fixed on tower body, its bottom is not arranged at the bottom of contact tower, fourth gear plate and the equal horizontally set of fifth gear plate, both are separately fixed on two sidewalls that tower body is oppositely arranged, and both other ends all do not contact tower body setting.
6. the environment protection emission treatment system of trade waste according to claim 5, it is characterized in that: the bottom in described chilling and absorption tower is also provided with leakage fluid dram, described leakage fluid dram is connected to a circulating water pool by being with the drainpipe of water pump, described circulating water pool is connected to alkali lye pond by pipeline, and described alkali lye pond is for the alkali lye import in alkali lye to chilling and absorption tower.
7. the environment protection emission treatment system of trade waste according to claim 6, is characterized in that: what be connected with described cistern by being with the water pipe of water pump is provided with a water softener, and the delivery port of described water softener is connected with cistern by water pipe.
8. the environment protection emission treatment system of trade waste according to claim 1 and 2, it is characterized in that: the described 4th enters mouth, ash discharging hole and the 6th outlet flue is separately positioned on the latter half of dust-removing box side, top and bottom, a demarcation strip is provided with in described dust-removing box, space partition in dust-removing box is upper box and lower box by described demarcation strip, passage is offered at the center of described demarcation strip, described dedusting filtering bag is fixed on demarcation strip, and its sack aims at passage setting, the bag of described dedusting filtering bag stretches in lower box and arranges.
9. the environment protection emission treatment system of trade waste according to claim 8, it is characterized in that: described upper box internal fixtion is provided with an injection tube inside its cover plate, in described injection tube, interval is provided with multiple winding-up mouth uniformly, one end of described sparge pipe is stretched out casing and is extended laterally, be fixed on and described dust-removing box is provided with a pressure gas tank, described injection tube is stretched out one end that dust-removing box extends laterally and is communicated to pressure gas tank.
10. the environment protection emission treatment system of trade waste according to claim 9, is characterized in that: described injection tube is provided with electromagnetic impulse valve, described controller control connection electromagnetic impulse valve.
CN201610064614.5A 2016-01-29 2016-01-29 The environment protection emission processing system of trade waste Active CN105465790B (en)

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