CN109519938A - A kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system - Google Patents

A kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system Download PDF

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Publication number
CN109519938A
CN109519938A CN201811508652.0A CN201811508652A CN109519938A CN 109519938 A CN109519938 A CN 109519938A CN 201811508652 A CN201811508652 A CN 201811508652A CN 109519938 A CN109519938 A CN 109519938A
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CN
China
Prior art keywords
burning
boiler
waste liquid
sulfur
melting furnace
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Pending
Application number
CN201811508652.0A
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Chinese (zh)
Inventor
余传林
宋爱军
赵广播
孙绍增
赵洪宇
关小川
王祺
张翔武
张�杰
蔡伟
余瀚坤
曹威
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DALIAN KELIN ENERGY ENGINEERING TECHNOLOGY DEVELOPMENT Co Ltd
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DALIAN KELIN ENERGY ENGINEERING TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201811508652.0A priority Critical patent/CN109519938A/en
Publication of CN109519938A publication Critical patent/CN109519938A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/12Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/46Recuperation of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00Removing ash, clinker, or slag from combustion chambers
    • F23J1/06Mechanically-operated devices, e.g. clinker pushers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/006Layout of treatment plant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/08Arrangements of devices for treating smoke or fumes of heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/10Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/20Waste heat recuperation using the heat in association with another installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/10Liquid waste
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/10Nitrogen; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/30Halogen; Compounds thereof
    • F23J2215/301Dioxins; Furans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/10Intercepting solids by filters
    • F23J2217/101Baghouse type
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The invention discloses a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust systems.It is burned being sprayed at the top of burning boiler after Waste liquid atomization, two burners are staggered in arrangement at left and right sides of burning boiler top, and the waste liquid realizes evaporation, drying, the cracking of organic matter and burnout in burning boiler.The heat of flue gas is incinerated the subsequent cooling chamber of boiler after burning and D type boiler carries out waste heat recycling.Melting furnace is arranged in burning boiler bottom, in melting furnace, utilize the strong heat storage capacity of fused salt, both solid salt can be heated into liquid, the salt of not up to molten condition can be reheated by the afterburning burner in furnace and be flowed out after melting from melting furnace bottom again, water cooling scraper slag removing machine is fallen into after twin shaft cooler is cooling and transport to workshop is handled.Equipment in the system all selects acidproof corrosion-resistant material, and occupied area is small, and installation workload is small and easy to maintain, and operation is simple and reliable, and recyclable solid high purity salt.

Description

A kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system
Technical field
It is specially a kind of the row such as chemical industry, pesticide, printing and dyeing, papermaking the present invention relates to hazardous waste disposal technical field The sulfur-bearing salty organic waste liquid of industry carries out innoxious, minimizing, the liquid waste incineration energy conservation and environmental protection discharge of recycling treatment and waste heat Recovery system.
Background technique
In the production process of the industries such as chemical industry, pesticide, printing and dyeing, papermaking, often has some high-risk exhaust gas and sulfur-bearing contains Chlorine salty organic waste liquid generates, and to avoid these high-risk pollutants from threatening the health and natural environment of the mankind, needs pair Its innoxious, minimizing of progress and recycling treatment.High saliferous, the high toxicity of these wastes cause it biochemical Processing, thus a kind of reasonable, effective incineration treatment technology is found, pollution of the waste to environment is reduced, and as sharp as possible Useful industrial chemicals is obtained during the processing waste and achievees the purpose that comprehensive utilization of resources, promotes industry sustainable Development is of great significance.
Currently, incineration technology processing high concentration saliferous is widely used in industries such as chemical industry, pesticide, printing and dyeing, papermaking both at home and abroad Organic liquid waste, incinerator mostly using fuel oil or natural gas as auxiliary fuel, part incinerator also using enterprise's high heating value exhaust gas as Auxiliary fuel.Incinerator combustion system in conventional incineration processing system is single, can only simply handle single waste.Especially It is in terms of high-concentration sulfur-containing salty organic waste liquid processing, the control of conventional incinerators in-furnace temperature can only guarantee full combustion, Destroy organic harmful components by fire thoroughly using high temperature as far as possible to ensure that environment protection standard is discharged.And high-concentration sulfur-containing salty organic waste liquid In exactly containing largely can be used as the useful component of chemical raw material, facilitate chemical combination by controlling incineration temperature under certain condition Reaction generates certain reaction product, is used, turns waste into wealth as intermediates such as chemical raw materials, but such issues that always There is no ideal solution.
Such as the Chinese patent of application number 2011100946908, provide " high concentration salt bearing organic waste liquid incinerator and Technique ", comprising: horizontal chamber furnace (oven), vertical heater, waste heat boiler, cyclone separator, desulfurizing tower, air-introduced machine and chimney, process flow are edge Horizontal chamber furnace (oven) axial direction hydrojet uses flue gas traveling along I lower part hydrojet of vertical heater, along II top hydrojet of vertical heater, fire tube waste heat boiler Flue gas is introduced scrubbing tower and carries out desulfurization, then discharged by chimney by the mode outside water traveling pipe in pipe, air-introduced machine.It should The incinerator and technique of device use low heat value liquid-carrier spray burning technology, to high concentration salty organic waste liquid, highly concentrated Spending organic brine waste, waste oil etc. has excellent treatment effect, and processing capacity is greater than 2.0t/h, and incineration of liquor is also relatively complete. But the shortcomings that device be salt resource recycling rate it is low, exhaust gas dust content is high, it is difficult to reach environmental emission standard Requirement, and occupation area of equipment is big.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems, using in incinerator design in the drying of burning boiler internal spraying By a large amount of useful components contained in high-concentration sulfur-containing salty organic waste liquid, chemical combination generates centainly technology at a certain temperature Reaction product is used as chemical intermediates such as chemical raw materials, realizes resource reclaim recycling, above-mentioned existing to improve There is the defect of technology.
To achieve the goals above, a kind of technical solution provided by the invention are as follows: sulfur-bearing organic waste liquid containing salt burning energy conservation Environment protection emission system specifically includes that air blower, water cooling scraper slag removing machine, twin shaft cooler, melting furnace, the burning of melting furnace afterburning Device, burning boiler refractory lining, burning boiler (combustion chamber), burning boiler burner, waste liquid spout, waste heat boiler cooling chamber+D Type boiler, connection flue, chilling tower, expansion joint, bag filter, extracting tower, flue remove water demister, flue gas reheater Burner, flue gas reheater, SCR denitration device, economizer, air-introduced machine, chimney, burning boiler (combustion chamber) top peace Waste liquid spout is filled, the waste liquid spout is connected with liquid waste spray gun;The lower part of the burning boiler (combustion chamber) is provided with melting Furnace, the salt after drying, evaporation, destructive distillation, burning mostly decline by gravity in liquid form, fall into melting furnace, described molten Melt the lower part connection twin shaft cooler of furnace, the lower part of the twin shaft cooler is arranged water cooling scraper slag removing machine, completes further Cooling and conveying;Waste heat boiler cooling chamber+D type boiler is arranged after the burning boiler (combustion chamber);In the waste heat boiler Chilling tower is arranged after cooling chamber+D type boiler;Bag filter, extracting tower, flue is set gradually after the chilling tower to remove Mist device, flue gas reheater, SCR denitration device, economizer, air-introduced machine and chimney.
Further improved, this system is using burning boiler constant temperature combustion reaction technology and in burning boiler (combustion chamber) Inside carry out spray drying and in burning boiler (combustion chamber) afterwards using waste heat boiler cooling chamber+D type boiler to the waste heat in flue gas Carry out heat recovery.
Further improved, the burning boiler (combustion chamber) is using rectangular or rectangular big volume combustion chambers;It is described Burning boiler (combustion chamber) top is staggered front to back two burning boiler burners of arrangement;Burning uses natural gas or other combustible gases Body is carried out by the afterburning burner of melting furnace.
Further improved, the fused salt fallen into the melting furnace keeps good by the burning of melting furnace afterburning burner Mobility.
It is further improved, flue water removal demister is installed in the subsequent pipeline of the extracting tower, and de- A discharging valve is arranged in pipeline least significant end between acid tower and air-introduced machine.
Further improved, liquid or gas auxiliary fuel are fired by boiler burning combustion-chamber burner, melting furnace afterburning Burner and flue gas reheater burner introduce burning in burning boiler (combustion chamber), melting furnace and flue gas reheater respectively, Its ignition temperature will be fired according to the property of the property of sulfur-bearing salty organic waste liquid and solid salt by adjusting liquid or gas auxiliary The air capacity that doses and burning need determines control parameter, and measures and control by thermocouple, differential pressure transmitter, reaches The requirement of constant temperature and high-temp combustion.
It is further improved, until the material of the pipeline of extracting tower is the 316L of acid corrosion-resistant after the chilling tower Stainless steel tube;The cabinet material selection chrome-molybdenum steel of bag filter, prevents sulfuric acid corrosion.
It is further improved, it burns in the burning boiler (combustion chamber) along boiler heating surface interlaced arrangement burning boiler Device completes drying, evaporation, destructive distillation, burning and the reaction process of burning disposal sulfur-bearing salty organic waste liquid, passes through system bottom Water cooling scraper slag removing machine recycles solid salt, transports cold positioned at burning boiler (combustion chamber) lower liquid salt outlet and waste heat boiler But the warehouse of the lower section setting recycling solid salt of the ash port at room+D type boiler rear portion;The ash that the bag filter captures Divide and fall into small car, sends back in plant area's burning boiler and carry out burning or direct landfill disposal.
So-called spray drying can make high-concentration sulfur-containing salty organic waste liquid in certain time and space by destructive distillation, steaming Hair decomposes, combustion process, by keeping in-furnace temperature constant, keeps inorganic matter in sulfur-bearing salty organic waste liquid and organic matter anti- A certain amount of chemical intermediate sufficiently should be ultimately generated.And this system is provided with melting furnace in burning boiler lower part, and twin shaft is cold But liquid may be implemented after burning waste liquid and go out salt for device and water cooling scraper slag removing machine, and solid-state receives salt.The flue gas of burning boiler outlet Temperature >=1100 DEG C ensure that the burning of organic matter in salty organic waste liquid is destroyed by fire, by flue gas harmful substance Pintsch process, Thoroughly destroy by fire.
So-called atomizing chilling be by spraying into atomization chilled water (chw) to flue gas rapid cooling on the top of chilling tower, make flue gas from 550 DEG C are chilled to 180 DEG C, to control the generation of dioxin-like chemical, which can also be used for burning disposal organic waste containing chlorine Liquid.
The system be suitable for handle difficult biochemical treatment, high-concentration sulfur-containing saliferous, toxicity greatly, the organic waste materials of complicated component, Not only harmful substance can be destroyed by fire, but also chemical intermediate can be generated, waste heat can also be recycled, reach the comprehensive benefit of waste With, protection environment purpose.The technical solution of this system and existing burning disposal high-concentration sulfur-containing salty organic waste liquid technology phase Compare, is spray-dried in burning boiler using burning boiler (combustion chamber) combustion reaction technology, destructive distillation, evaporation, chemical combination Reaction and burning, overcome existing incinerator and only burn and do not recycle chemical intermediate, and the insufficient flue gas emission of burning does not reach Target technical problem;The processing mode and unified offal treatment mode for breaching single burning disposal waste, also produce Raw valuable chemical intermediate raw material etc.;Process system of the invention also has that manufacturing process is simple, easy to maintenance, fortune simultaneously The features such as row safety and stability, occupation area of equipment are small, resource recycling rate is high is suitable in chemical industry, pesticide, printing and dyeing, papermaking etc. It is widely used to promote in industry.
Detailed description of the invention
Fig. 1 is main apparatus structure schematic diagram of the invention;
In figure: 1, air blower, 2, water cooling scraper slag removing machine, 3, twin shaft cooler, 4, melting furnace, 5, melting furnace afterburning burner, 6, burning boiler refractory lining, 7, burning boiler (combustion chamber), 8, burning boiler burner, 9, waste liquid spout, 10, waste heat boiler Cooling chamber+D type boiler, 11, connection flue, 12, chilling tower, 13, expansion joint, 14, bag filter, 15, extracting tower, 16, cigarette Road removes water demister, 17, flue gas reheater burner, 18, flue gas reheater, 19, SCR denitration device, 20, province's coal Device, 21, air-introduced machine, 22, chimney.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only the preferred embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
A kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system as shown in Figure 1, specifically includes that air blower 1, Water cooling scraper slag removing machine 2, twin shaft cooler 3, melting furnace 4, the burning of melting furnace afterburning, 5, burning boiler refractory lining 6 burns pot Furnace (combustion chamber) 7, burning boiler burner 8, waste liquid spout 9, waste heat boiler cooling chamber+D type boiler 10 connect flue 11, anxious Cold tower 12, expansion joint 13, bag filter 14, extracting tower 15, flue remove water demister 16, flue gas reheater burner 17, flue gas reheater 18, SCR denitration device 19, economizer 20, air-introduced machine 21 and chimney 22, the burning boiler (burn Room) 7 tops install waste liquid spouts 9, and the waste liquid spout 9 is connected with liquid waste spray gun;Under the burning boiler (combustion chamber) 7 Portion is provided with melting furnace 4, and the salt after drying, evaporation, destructive distillation, burning mostly declines by gravity in liquid form, falls into In melting furnace 4, the lower part of the melting furnace 4 connects twin shaft cooler 3, and water cooling scraper plate is arranged in the lower part of the twin shaft cooler 3 Slag remover 2 completes further cooling and conveying;Waste heat boiler cooling chamber+D is arranged after the burning boiler (combustion chamber) 7 Type boiler 10;Chilling tower 12 is arranged after the waste heat boiler cooling chamber+D type boiler 10;After the chilling tower 12 successively Bag filter 14 is set, extracting tower 15, flue water removal demister 16, flue gas reheater 18, SCR denitration device 19, is saved Coal device 20, air-introduced machine 21 and chimney 22.
Concrete operations process: when operation, start burning boiler burner 8 first, pass through alcohol radical auxiliary fuel or fuel gas So that temperature in burning boiler (combustion chamber) 7 is reached design requirement, under normal circumstances, controls the outlet of burning boiler (combustion chamber) 7 Temperature is at 1100 DEG C or so;In addition the size of burner hearth is reasonably arranged, to guarantee waste liquid enough residence times (> 2s);Contain Sulphur salty organic waste liquid passes through atomizer with mist from the top of 9 spirt burning boiler (combustion chamber) 7 of waste liquid spout, gives up Liquid sufficiently drying, destructive distillation, evaporation, burning, reaction in burning boiler (combustion chamber) 7;It is set in 7 lower part of burning boiler (combustion chamber) Melting furnace 4 is set to be used to collect the liquid salt formed in the above process in burning boiler (combustion chamber) 7, it can be by melting furnace 4 The melting furnace afterburning burner 5 of arrangement achievees the purpose that make fused salt to keep good mobility to control ignition temperature, and fused salt is logical Cross melting furnace 4 flow into lower part twin shaft cooler 3 it is cooling, and then fall into water cooling scraper slag removing machine 2 do further it is cooling with it is defeated It send.Arrange that waste heat boiler cooling chamber+D type boiler 10, burning boiler (combustion chamber) 7 generate behind burning boiler (combustion chamber) 7 Flue gas enter waste heat boiler cooling chamber+D type boiler 10 carry out waste heat recycling, waste heat boiler select membrane wall structure form pot Furnace, to ensure that 1100 DEG C of high saliferous high-temperature flue gas enters cooling chamber energy reliability service, waste heat recovery section is whole system Important composition component, mainly there are two effects for setting waste heat recovery section: first is that recovery waste heat, generate saturated vapor for personal and Station-service;Second is that flue-gas temperature is reduced to 550 DEG C from 1100 DEG C.In order to guarantee that burning boiler (combustion chamber) 7, waste heat boiler are cooling Room+D type boiler 10, flue gas reheater 17 are safely operated, and are had refractory lining 6 in burning boiler interior design, are considered that system is swollen Swollen requirement is equipped with expansion joint 13 between high-temperature components at different levels;Behind D type waste heat boiler 10 arrange chilling tower, by flue gas by 550 DEG C are chilled to 180 DEG C, control the generation of dioxin-like chemical.Bag filter 14, extracting tower are sequentially arranged after chilling tower 15, flue removes water demister 16, flue gas reheater burner 17, flue gas reheater 18, SCR denitration device 19, to cigarette Gas is further purified, and the dust that the bag filter 16 traps is transported to grey field by conveyer, will finally be met The flue gas that national environmental protection qualified discharge requires is sent into chimney 22 through air-introduced machine 21, is discharged into atmosphere by chimney 22.
The present invention handles sulfur-bearing salty organic waste liquid using spray drying technology, and is recycled by burning disposal and waste heat The innoxious of component of effluent harmful substance, minimizing processing had not only may be implemented in system and system for cleaning fume, but also can become Waste be changed into values realizes that resource utilization utilizes, and obtains the chemical industry such as solid salt and chemical intermediate from high-concentration sulfur-containing salty organic waste liquid Raw material, can with effective recycling harmful substance burn release energy, reached environment protection, it is energy saving and The multiple effect of changing rejected material to useful resource.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system specifically includes that air blower (1), water cooling scraper plate remove Slag machine (2), melting furnace (4), melting furnace afterburning burner (5), burning boiler refractory lining (6), burns twin shaft cooler (3) Boiler (combustion chamber) (7), burning boiler burner (8), waste liquid spout (9), waste heat boiler cooling chamber+D type boiler (10), connection Flue (11), chilling tower (12), expansion joint (13), bag filter (14), extracting tower (15), flue remove water demister (16), flue gas reheater burner (17), flue gas reheater (18), SCR denitration device (19), economizer (20), air inducing Machine (21), chimney (22), it is characterized in that: waste liquid spout (9) are installed at the top of the burning boiler (combustion chamber) (7), the waste liquid Spout (9) is connected with liquid waste spray gun;The lower part of the burning boiler (combustion chamber) (7) is provided with melting furnace (4), through overdrying Salt after dry, evaporation, destructive distillation, burning mostly declines by gravity in liquid form, falls into melting furnace (4), the melting furnace (4) lower part connects twin shaft cooler (3), and water cooling scraper slag removing machine (2) are arranged in the lower part of the twin shaft cooler (3), into one Step completes cooling and conveying;Waste heat boiler cooling chamber+D type boiler (10) are arranged after the burning boiler (combustion chamber) (7);? Chilling tower (12) are arranged after the waste heat boiler cooling chamber+D type boiler (10);Cloth bag is set gradually after the chilling tower (12) Deduster (14), extracting tower (15), flue water removal demister (16), flue gas reheater (18), SCR denitration device (19), Economizer (20), air-introduced machine (21) and chimney (22).
2. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: institute Burning boiler (combustion chamber) (7) are stated using rectangular or rectangular big volume combustion chambers;On the burning boiler (combustion chamber) (7) Portion is staggered front to back two burning boiler burners (8) of arrangement;Burning is mended using natural gas or other fuel gas by melting furnace Burner (5) carries out.
3. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: falling The fused salt entered in the melting furnace (4) keeps good mobility by the burning of melting furnace afterburning burner (5).
4. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: Flue water removal demister (16) is installed, in extracting tower (15) and air-introduced machine (21) in the subsequent flue of the extracting tower (15) Between pipeline least significant end be arranged a discharging valve.
5. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: liquid Body or gas auxiliary fuel pass through boiler burning combustion-chamber burner (8), melting furnace afterburning burner (5) and flue gas reheater Burner (17) introduces burning in burning boiler (combustion chamber) (7), melting furnace (4) and flue gas reheater (18), burning respectively Temperature by according to the property of the property of sulfur-bearing salty organic waste liquid and solid salt by adjusting liquid or gas auxiliary fuel consumption with The air capacity that burning needs determines control parameter, and measures and control by thermocouple, differential pressure transmitter, to reach constant temperature Or the requirement of high-temp combustion.
6. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: institute The waste heat recycling of flue gas can be carried out by stating waste heat boiler cooling chamber+D type boiler (10), and front and rear portion are designed with configuration can The gas shock-wave ash blowing measure leaned on, to prevent fouling of heating surface.
7. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: institute Chilling tower (12) is stated later until the material of the pipeline of extracting tower (15) is the 316L stainless steel tube of acid corrosion-resistant;Cloth bag removes The cabinet material selection chrome-molybdenum steel of dirt device (14), prevents sulfuric acid corrosion.
8. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: institute Flue-gas temperature can be risen to by burning natural gas by stating the flue gas reheater burner (17) in flue gas reheater (18) 220 DEG C or so.
9. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system according to claim 1, it is characterized in that: Along boiler heating surface interlaced arrangement burning boiler burner (8) in the burning boiler (combustion chamber) (7), completes burning disposal and contain Drying, evaporation, destructive distillation, burning and the reaction process of sulphur salty organic waste liquid pass through the water cooling scraper slag removing machine (2) of system bottom Solid salt is recycled, after burning boiler (combustion chamber) (7) lower liquid salt outlet and waste heat boiler cooling chamber+D type boiler (10) The warehouse of the lower section setting recycling solid salt of the ash port in portion;The ash that the bag filter (14) captures falls into trolley It is interior, it sends back in plant area's burning boiler and carries out burning or direct landfill disposal.
10. a kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system, it is characterised in that: the system body is by air blast Machine (1), water cooling scraper slag removing machine (2), twin shaft cooler (3), melting furnace (4), burning boiler (combustion chamber) (7), waste heat boiler (cooling chamber+D type boiler) (10), connection flue (11), chilling tower (12), expansion joint (13), bag filter (14), depickling Tower (15), flue remove water demister (16), flue gas reheater (18), SCR denitration device (19), economizer (20), air inducing The composition such as machine (21), chimney (22), this system are a kind of utilization technologies such as spray drying, the recycling of D type boiler afterheat, atomizing chilling Burning disposal sulfur-bearing salty organic waste liquid, while generating the treatment process of the industrial chemicals of the high added values such as solid salt.
CN201811508652.0A 2018-12-11 2018-12-11 A kind of sulfur-bearing organic waste liquid containing salt burning energy conservation and environmental protection exhaust system Pending CN109519938A (en)

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CN109931615A (en) * 2019-04-23 2019-06-25 宝钢工程技术集团有限公司 A kind of industrial and municipal solid waste melt pyrolysis system
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