CN107523362A - A kind of method for organic waste disposal - Google Patents
A kind of method for organic waste disposal Download PDFInfo
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- CN107523362A CN107523362A CN201610443082.6A CN201610443082A CN107523362A CN 107523362 A CN107523362 A CN 107523362A CN 201610443082 A CN201610443082 A CN 201610443082A CN 107523362 A CN107523362 A CN 107523362A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
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- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Abstract
The present invention relates to a kind of method for organic waste disposal.The methods of processing to organic waste is more using burning in the prior art, can cause secondary pollution problems.The present invention step be：Physics pretreatment；Gasification after will be broken is sent into gasification furnace with organic matter is gasified, and caused high-temperature gasification combustible gas is discharged from gasification furnace, is carried out heating to pyrolysis furnace and is reached cracking temperature；Cracking after will be broken is sent into pyrolysis furnace with organic matter and carries out heat scission reaction, produces gas mixture and solid carbon；Gas mixture carries out catalytic pyrolysis after reaching the preference temperature of catalytic pyrolysis after heat exchange；The gas mixture of discharge obtains fuel oil, incoagulability combustible gas and residual oil after entering oil gas fractionating device.The inventive method material strong adaptability, high treating effect.
Description
Technical field
The present invention relates to a kind of method for organic waste disposal.
Background technology
With the quickening of urbanization process, urban population quantity is constantly expanded, and the yield of domestic waste increases rapidly.Domestic waste can be typically divided into the class of food waste organic matter, inorganic matter, stationery, dry goods, plastics, rubber, metal, glass, bamboo and wood etc. 9, wherein rear 7 classes are recovering discarded material.Perishable food waste organic matter, moisture content height are the universals of China's domestic waste.With the raising of Living consumption, inorganic matter declines rapid, biodegradable organic waste proportion substantially rises year by year, combustible increases very fast, the high heating value rubbish (such as plastics, paper) that volume is big, proportion is small increases sharply, recovering discarded material content is also rising year by year, and wherein stationery and the plastics rate of climb are maximum.As noncombustibles reduces rising year by year with combustible year by year in rubbish, the calorific value of rubbish also has faster growth.
The growth of organic matter and calorific value, laid a good foundation for the recovery energies of municipal solid wastes, wherein refuse thermal value is incremented by, and to carry out incineration treatment of garbage provides foundation.Compared with universal Landfill, burning can at utmost and for good and all destroy rubbish, garbage bulk can be greatly reduced, and recover energy.But burning can produce the danger wastes such as poisonous lime-ash, particularly boiler fly ash.In addition, due to msw water content height, domestic waste is handled using burning method, in order to lift fire box temperature, auxiliary fuel consumption need to be increased, auxiliary fuel consumes and station service power consumption rate is all higher, and imperfect combustion product and levels of toxic substances are higher in tail gas, and secondary pollution is caused to surrounding environment.
Single garbage disposal is difficult fundamentally to solve the above problems, therefore, with the recycling of garbage disposal, minimizing, it is harmless turn to principle, to rubbish carry out comprehensive resource processing it is imperative, increasingly paid attention in China.The comprehensive resource processing of current domestic waste, it is basic means by preceding sorting and processing system, using the comprehensive treatment technique supplemented by (bio-degradable such as food waste organic matter organic matter), burning and sanitary landfills (inorganic matter, incineration residue etc.) based on anaerobic fermentation compost.Pass through sorting and processing system before rubbish, sub-elect a large amount of regenerants for being difficult to recycle, the predominantly not organic waste of bio-degradable, such as partly plastic, rubber, bamboo and wood and fabric, if directly burn, the serious problems such as secondary pollution can be equally caused, and energy utilization type is single, simply simply make use of its calorific value.Therefore, comprehensive high-efficiency processing is carried out to organic wastes such as plastics, rubber, bamboo and wood and fabrics, is the technical barrier of garbage as resource integrated treatment, and improve the key technology of garbage as resource integrated treatment.
The content of the invention
It is an object of the invention to provide the small organic waste material for gasification cracking multi coproduction integrated treatment process of a kind of material strong adaptability, high treating effect, secondary pollution, the organic waste for being difficult to recycle sub-elected in garbage as resource integrated disposal processing can be utilized, such as waste plastics, scrap rubber, bamboo and wood, cloth kind fabric, by the cracking combined process of gasification one, produce the high-grade energies such as combustion gas, fuel oil, electric power, steam, hot water, the benefit of garbage as resource integrated treatment is improved, and further reaches minimizing, innoxious, recycling target.
The present invention comprises the steps of and content：
(1) physics pretreatment, gasification is broken into the charging specification of gasification furnace and pyrolysis furnace respectively with organic matter and cracking with organic matter.
(2) gasification after will be broken is sent into gasification furnace with organic matter is gasified, and caused high-temperature gasification combustible gas is discharged from gasification furnace, pyrolysis furnace is entered after cyclone separator purifies, carrying out heating to pyrolysis furnace reaches cracking temperature.Gasification temperature is 600-900 DEG C, and thermal cracking temperature is 350-700 DEG C.Gasification temperature and thermal cracking temperature are that the material as needed for gasifying and cracking and the type of used gasification furnace and pyrolysis furnace determine.Gasification combustible gas, which enters in cracking burner hearth, to be directly heated and participates in cracking, or is entered in pyrolysis furnace heat transmission equipment and carried out indirect type heating to pyrolysis furnace.
(3) cracking after will be broken is sent into pyrolysis furnace with organic matter, carries out heat scission reaction, produces gas mixture and solid carbon.
(4) gas mixture is purified through cyclone separator, and reaches the preference temperature of catalytic pyrolysis after heat exchange, and catalytic pyrolysis is carried out into catalytic pyrolysis tower.One kind that catalyst is selected in metal oxide catalyst, molecular sieve catalyst, zeolite catalyst, silica-alumina catalyst, platinum-carbon Zr catalyst and several catalyst composites of the above.
(5) gas mixture of catalytic pyrolysis tower discharge enters oil gas fractionating device after heat exchange, and oil gas obtains fuel oil, incoagulability combustible gas and residual oil after oil gas fractionating device and further purification.The residual oil separated from Fractionator Bottom can be further used as the raw material for gasifying or cracking or sell outside.
Described gasification furnace is one kind in fixed-bed gasification furnace, moving bed gasification stove, revolution gasification furnace, bubbling bed gasification furnace, airflow bed gasification furnace, fluidized-bed gasification furnace, multistage gasification furnace, tubular type gasification furnace.Described pyrolysis furnace is one kind in fixed bed pyrolysis furnace, moving bed pyrolysis furnace, revolution pyrolysis furnace, bubbling bed pyrolysis furnace, air flow bed pyrolysis furnace, fluidized bed cracking stove, multistage pyrolysis furnace, tube cracking furnace.Described oil gas fractionating device is oil gas fractionating column.
Compared with prior art, its feature is the organic waste material for gasification cracking multi coproduction integrated treatment process of the present invention：
(1) gasification of organic waste and cracking are organically combined, solves the disadvantage that store list one is handled in traditional treatment method, biomass castoff and macromolecule organic waste can be handled simultaneously；
(2) gasification of organic waste and cracking are organically combined, pyrolysis furnace is heated using high-temperature gasification synthesis gas, pyrolysis furnace heat-transfer effect is good, it is not easy coking, product qualities are good, it is not required to add any auxiliary fuel, solves the problem that additional auxiliary fuel is needed existing for existing single cracking technique；
(3) gasification of organic waste and cracking technique are organically combined, high content hydrogen in gasification artificial fuel gas, be advantageous to increase the saturation degree of the hydrocarbon product of cracking reaction, improve cracking oil gas quality, solve the low problem of existing single cracking technique hydrocarbon product saturation degree well；
(4) gasification artificial fuel gas pass through pyrolysis furnace and oil gas fractionating device, can further remove the tar wherein remained, solve existing single gasification technology well existing for tar be difficult to the problem that removes, the quality of raising combustible gas product；
(5) solid carbon of carbon black-yielding feedstock should not be used as to cracking outlet of still and/or carbon black sorts discarded object, gasification furnace is returned to by machinery and/or Pneumatic conveyer, can further generate high heating value combustion gas, make changing rejected material to useful resource processing more thorough；
(6) technological reaction condition is reducing atmosphere, it is suppressed that NOx, SO2, the pollutant such as dioxin discharge, gasification furnace and pyrolysis furnace afterbody, carbon black refining system are equipped with dust arrester, synthesis gas deacidification purification device is provided with oil gas fractionating system, pollutant emission is strict controlled within national standard, the H in oil, gas product2S、SO2, mercaptan, the pollutant such as HCl also removed；
(7) a small amount of waste component is simple caused by this technique, without the intractable pollutant such as tar, by conventional water technology simple process qualified discharge or can recycle.
Organic waste material for gasification-cracking multi coproduction integrated treatment process of the present invention, is but also widely used for handling various agriculture and forestry organic waste materials (such as stalk, rice husk, straw, wooden unit, wood chip, bark, sawdust) and industrial organic wastes (such as waste plastics, damaged tire, scrap rubber, used oil, waste animal vegetable oil, greasy filth, organic liquid waste).
Embodiment
The present invention is illustrated below by way of three embodiments.
Embodiment one：
The gasifications such as bamboo and wood, cloth kind fabric and agriculture and forestry organic waste material are broken into gasification furnace and the suitable charging specification of pyrolysis furnace respectively with the cracking such as the ton day of organic matter 70 and waste plastics, rubber with the ton day of organic matter 50.Gasification furnace uses fluidized-bed gasification furnace, and pyrolysis furnace is using revolution pyrolysis furnace.
Gasification organic matter is sent into by the charge door of gasification furnace, and oxygen or air are entered by air blower by gasification furnace air outlet.To improve gasification result, gasification furnace is provided with steam inlet.Gasification furnace is provided with pyrolysis solid charcoal feeding mouth and Fractionator Bottom residual oil nozzle, caused heavy resid after cracking solid carbon and oil gas fractionation caused by organic waste cracking can be sent into gasification furnace and be gasified.Gasifier temperature is controlled at 880 DEG C.Clinker autopneumatolysis fire grate cinder notch caused by gasification is discharged, and ash therein is removed through cyclone separator after combustible gas discharge, and ash can merge with slag or be cooled separately collecting.
Cracking is sent into pyrolysis furnace with organic matter, gasification combustible gas, which enters in cracking burner hearth, to be directly heated and participate in cracking.Under the heating of gasification combustible gas, reach 500 DEG C, with organic matter cracking reaction occurs for cracking, produces gas mixture and solid carbon.Solid carbon is sent into gasification furnace, the gasified raw material as gasification furnace after discharging opening is discharged, by conveyer.
Cracking gas mixture isolates entrained solid charcoal particle by cyclone separator, and after heat exchange, catalytic pyrolysis is carried out into fixed-bed catalytic cracker, and the solid carbon isolated is sent into gasified raw material of the gasification furnace as gasification furnace.Cat-cracker apparatus with catalyst inside, catalyst select ZSM-5 molecular sieve catalysts.
The gas mixture of catalytic pyrolysis tower discharge enters oil gas fractionating column after heat exchange, and air-liquid separation is obtained into separator after cooler condenses from the oil gas of oil gas fractionating column top out.Incoagulability combustible gas enters purified synthesis gas device after vacuum pumping, remove acid contaminant therein, combustible gas after purification drains into combustion gas storage tank with blower fan, the combustible gas directly can generate electricity for gas electricity generator, gas electricity generator outlet sets waste heat boiler, steam or hot water can be produced, the flue gas after waste heat boiler reclaims heat is discharged into air by chimney.For gasoline fraction of the separator bottom after cutting water after reflux pump pressurizes, a part returns to fractionation tower top as overhead reflux liquid, and to control the temperature of fractionating column, another part enters gasoline tank after solvent extraction and washing.A side line diesel oil stripper is provided with the middle part of fractionating column, the diesel oil distillate of stripper bottom outflow squeezes into diesel oil tank after cooler cools down using pump, and tower overhead gas sends fractionating column back to.From the residual oil that Fractionator Bottom is separated after the pressurization of bottom of towe residual oil pump, bottom of towe is returned to after partly carrying out heat exchange by heat exchanger with side stream, another part can be sent into gasification furnace as the raw material of gasification furnace.
Embodiment two：
The gasifications such as bamboo and wood, cloth kind fabric and agriculture and forestry organic waste material are broken into gasification furnace and the suitable charging specification of pyrolysis furnace respectively with the cracking such as the ton day of organic matter 60 and waste plastics, rubber with the ton day of organic matter 35.Gasification furnace uses fixed-bed gasification furnace, and pyrolysis furnace uses fixed bed pyrolysis furnace.
Gasification organic matter is sent into by the charge door of gasification furnace, and oxygen or air are entered by air blower by gasification furnace air outlet, and to improve gasification result, gasification furnace is provided with steam inlet.Gasifier temperature is controlled at 610 DEG C.Clinker autopneumatolysis fire grate cinder notch caused by gasification is discharged, and ash therein is removed through cyclone separator after combustible gas discharge, and ash can merge with slag or be cooled separately collecting.
Cracking is sent into pyrolysis furnace with organic matter, gasification combustible gas enters in pyrolysis furnace heat transmission equipment carries out indirect type heating to pyrolysis furnace.Under the heating of gasification combustible gas, reach 360 DEG C, with organic matter cracking reaction occurs for cracking, produces gas mixture and solid carbon.Pyrolysis furnace is provided with Fractionator Bottom residual oil nozzle, and caused heavy resid is sent into pyrolysis furnace and cracked after can oil gas be fractionated.Solid carbon is sent into gasification furnace, the gasified raw material as gasification furnace after discharging opening is discharged, by conveyer.
Cracking gas mixture isolates entrained solid charcoal particle by cyclone separator, and after heat exchange, catalytic pyrolysis is carried out into fixed-bed catalytic cracker, and the solid carbon isolated is sent into gasified raw material of the gasification furnace as gasification furnace.Cat-cracker apparatus with catalyst inside, catalyst select ZSP zeolite catalysts.
The gas mixture of catalytic pyrolysis tower discharge enters oil gas fractionating column after heat exchange, and air-liquid separation is obtained into separator after cooler condenses from the oil gas of oil gas fractionating column top out.Incoagulability combustible gas enters purified synthesis gas device after vacuum pumping, removes acid contaminant therein, and the combustible gas after purification drains into combustion gas storage tank with blower fan, and the combustible gas directly can generate electricity for gas electricity generator.For gasoline fraction of the separator bottom after cutting water after reflux pump pressurizes, a part returns to fractionation tower top as overhead reflux liquid, and to control the temperature of fractionating column, another part enters gasoline tank after solvent extraction and washing.A side line diesel oil stripper is provided with the middle part of fractionating column, the diesel oil distillate of stripper bottom outflow squeezes into diesel oil tank after cooler cools down using pump, and tower overhead gas sends fractionating column back to.From the residual oil that Fractionator Bottom is separated after the pressurization of bottom of towe residual oil pump, bottom of towe, raw material of the another part as pyrolysis furnace are returned after partly carrying out heat exchange by heat exchanger with side stream.
Embodiment three：
The gasifications such as bamboo and wood, cloth kind fabric and agriculture and forestry organic waste material are broken into gasification furnace and the suitable charging specification of pyrolysis furnace respectively with the cracking such as the ton day of organic matter 65 and waste plastics, rubber with the ton day of organic matter 55.Gasification furnace uses fixed-bed gasification furnace, and pyrolysis furnace uses fixed bed pyrolysis furnace.
Gasification organic matter is sent into by the charge door of gasification furnace, and oxygen or air are entered by air blower by gasification furnace air outlet, and to improve gasification result, gasification furnace is provided with steam inlet.Gasifier temperature is controlled at 780 DEG C.Clinker autopneumatolysis fire grate cinder notch caused by gasification is discharged, and the cyclone separator that combustible gas exports through the combustible gas that gasifies removes ash therein, and ash can merge with slag or be cooled separately collecting.
Cracking is sent into pyrolysis furnace with organic matter, gasification combustible gas, which enters in cracking burner hearth, to be directly heated and participate in cracking.Under the heating of gasification combustible gas, reach 650 DEG C, with organic matter cracking reaction occurs for cracking, produces gas mixture and solid carbon.Solid carbon is refined after discharging opening is discharged as carbon black.
Cracking gas mixture isolates entrained solid charcoal particle by cyclone separator, and after heat exchange, carries out catalytic pyrolysis into fixed-bed catalytic cracker, the solid carbon isolated is sent into solid carbon refining plant and refined as carbon black.Cat-cracker apparatus with catalyst inside, catalyst select Y zeolite catalyst.
The gas mixture of catalytic pyrolysis tower discharge enters oil gas fractionating column after heat exchange, and oil gas obtains fuel oil, incoagulability combustible gas and residual oil after oil gas fractionating device and further purification.The residual oil direct marketing separated from Fractionator Bottom.
Presently preferred embodiments of the present invention is these are only, but the scope that the present invention is implemented is not intended to be limited thereto.
Claims (7)
1. a kind of method for organic waste disposal, it is characterised in that comprise the steps of：(1) physics pretreatment, gasification is broken into organic matter and cracking with organic matter respectively gasification furnace and
The charging specification of pyrolysis furnace；(2) gasification after will be broken is sent into gasification furnace with organic matter is gasified, and caused high-temperature gasification combustible gas is discharged from gasification furnace, and pyrolysis furnace is entered after cyclone separator purifies, pyrolysis furnace is added
Heat reaches cracking temperature；Gasification temperature is 600-900 DEG C, and cracking temperature is 350-700 DEG C；(3) cracking after will be broken is sent into pyrolysis furnace with organic matter, carries out heat scission reaction, produces gas mixture and solid carbon；(4) gas mixture purifies through cyclone separator, and reaches the suitable of catalytic pyrolysis after heat exchange
Temperature, catalytic pyrolysis is carried out into catalytic pyrolysis tower；One kind that catalyst is selected in metal oxide catalyst, molecular sieve catalyst, zeolite catalyst, silica-alumina catalyst, platinum zirconium carbide catalyst and several catalyst composites of the above；(5) gas mixture of catalytic pyrolysis tower discharge enters oil gas fractionating device after heat exchange, and oil gas obtains fuel oil, incoagulability combustible gas and residual oil after oil gas fractionating device and further purification.
2. a kind of method for organic waste disposal as claimed in claim 1,
It is characterized in that the solid carbon in described step (3) is delivered to gasification furnace as gasification furnace gasified raw material.
3. an a kind of method for organic waste disposal as claimed in claim 1,
It is characterized in that the residual oil that the Fractionator Bottom in described step (5) is separated enters gasification furnace as gasified raw material.
4. a kind of method for organic waste disposal as claimed in claim 1,
It is characterized in that the residual oil that the Fractionator Bottom in described step (5) is separated enters pyrolysis furnace as cracking stock.
5. a kind of method for organic waste disposal as claimed in claim 1,
It is characterized in that described gasification furnace is one kind in fixed-bed gasification furnace, moving bed gasification stove, revolution gasification furnace, bubbling bed gasification furnace, airflow bed gasification furnace, fluidized-bed gasification furnace, multistage gasification furnace, tubular type gasification furnace；Described pyrolysis furnace is one kind in fixed bed pyrolysis furnace, moving bed pyrolysis furnace, revolution pyrolysis furnace, bubbling bed pyrolysis furnace, air flow bed pyrolysis furnace, fluidized bed cracking stove, multistage pyrolysis furnace, tube cracking furnace.
6. a kind of method for organic waste disposal as claimed in claim 1,
Directly heated it is characterized in that described gasification combustible gas enters in cracking burner hearth and participate in cracking.
7. a kind of method for organic waste disposal as claimed in claim 1,
It is characterized in that described gasification combustible gas enters in pyrolysis furnace heat transmission equipment carries out indirect type heating to pyrolysis furnace.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109439360A (en) * | 2018-09-27 | 2019-03-08 | 昆明理工大学 | A kind of natural pelelith catalysis gutter oil prepares the device and method of biologically based fuels |
| CN112608757A (en) * | 2020-12-15 | 2021-04-06 | 深圳市环保科技集团有限公司 | Anaerobic dry distillation treatment method for waste grinding slag |
| CN115318798A (en) * | 2022-07-15 | 2022-11-11 | 上海化工院环境工程有限公司 | High-efficiency organic waste treatment process device and method |
| CN115591911A (en) * | 2022-10-12 | 2023-01-13 | 昆明理工大学（Cn） | Treatment method for recycling whole waste tires |
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2016
- 2016-06-21 CN CN201610443082.6A patent/CN107523362A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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