CN2868476Y

CN2868476Y - Organic waste gasifying-pyrolysis multi-united production treating apparatus

Info

Publication number: CN2868476Y
Application number: CN 200520117386
Authority: CN
Inventors: 张志霄
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-19
Filing date: 2005-12-19
Publication date: 2007-02-14
Anticipated expiration: 2015-12-19

Abstract

The utility model relates to a disposal device for organic waste. The methods such as burning and so on are applied to the disposal of organic waste in the existing technology, which will produce serious problems such as secondary pollutant, etc. The utility model includes a gasification device, a heat-cracking decomposition device, a catalytic cracking device and an oil/gas fractionation device. The flammable gas outlet of the gasification device is connected with the flammable gas inlet of the heat-cracking decomposition device, and the outlet of admixture of oil/gas of the heat-cracking decomposition is connected with the inlet of the admixture of oil/gas of the catalytic cracking device; the outlet of the catalytic cracking gas of the catalytic cracking device is connected with the inlet of the catalytic cracking gas of the oil/gas fractionation device, and the residuum nozzle of the gasification device and the heat-cracking decomposition device is connected with the residuum outlet of the oil/gas fractionation device by the residuum pump. The utility model can be widely applied to handle all agricultural and forest waste residues and industrial organic residues.

Description

A kind of organic waste material for gasification cracking multi coproduction treating apparatus

Technical field

The utility model relates to a kind of organic refuse treatment appts, relates in particular to a kind of organic waste material for gasification cracking multi coproduction integrated treating device.

Background technology

Along with quickening of urbanization process, urban population quantity is constantly expanded, and the generation of domestic waste increases rapidly.Generally domestic waste can be divided into 9 classes such as the surplus organic matter in kitchen, inorganic matter, stationery, dry goods, plastics, rubber, metal, glass, bamboo wood, wherein back 7 classes are recyclable discarded object.The surplus organic matter in perishable kitchen, moisture content height are the universals of China's domestic waste.Raising along with the resident living level, inorganic matter descends rapidly, perishable organic waste proportion obviously rises year by year, combustible increases very fast, the high heating value rubbish (as plastics, paper etc.) that volume is big, proportion is little increases sharply, recyclable discarded object content is also rising year by year, wherein stationery and plastics rate of climb maximum.Along with noncombustibles in the rubbish reduces rising year by year with combustible year by year, the calorific value of rubbish also has faster and increases.

The growth of organic matter and calorific value, for the recovery energy of municipal solid wastes is laid a good foundation, wherein increasing progressively of refuse thermal value provides foundation for carrying out incineration treatment of garbage.Compare with general landfill technology, burning can be at utmost and is for good and all destroyed rubbish, can reduce the rubbish volume significantly, and recover energy.Can produce danger wastes such as poisonous lime-ash, particularly boiler fly ash but burn.In addition, because msw water content height, adopt burning method to handle domestic waste, in order to promote fire box temperature, need to strengthen auxiliary fuel consumption, auxiliary fuel consumes with station service power consumption rate all higher, and imperfect combustion product and noxious material content are higher in the tail gas, and surrounding environment has been caused secondary pollution.

Single garbage disposal is difficult to fundamentally address the above problem, and therefore, with resource, minimizing, the harmless principle that turns to of garbage disposal, it is imperative that rubbish is carried out the comprehensive resource processing, obtains day by day paying attention in China.The comprehensive resource of present domestic waste is handled, relying on the presort treatment system is basic means, employing be to be the comprehensive treatment technique of assisting based on anaerobic fermentation compost bio-degradable organic matters such as () the surplus organic matters in kitchen, burning and sanitary landfills (inorganic matter, incineration residue etc.).By rubbish presort treatment system, sub-elect and be difficult to the regenerant that recycles in a large number, be mainly the not organic waste of bio-degradable, as partly plastic, rubber, bamboo wood and fabric etc., if directly burn, can cause serious problems such as secondary pollution equally, and the using energy source form is single, has just simply utilized its calorific value.Therefore, organic wastes such as plastics, rubber, bamboo wood and fabric being carried out comprehensive high-efficiency handle, is the technical barrier of garbage as resource integrated treatment, also is the key technology that improves the garbage as resource integrated treatment.

Summary of the invention

The purpose of this utility model provides the organic waste material for gasification cracking multi coproduction integrated treating device that a kind of material adaptability is strong, treatment effect good, secondary pollution is little, can utilize the recycling organic waste that is difficult to that sub-elects in the garbage as resource integrated treatment process, as waste plastics, scrap rubber, bamboo wood, cloth kind fabric etc., through the gasification cracking combined process, the high-grade energy such as production combustion gas, fuel oil, electric power, steam, hot water, improve the benefit of garbage as resource integrated treatment, and further reach the target of minimizing, innoxious, resource.

The utility model comprises gasification installation, thermal cracker, cat-cracker and oil gas fractionating device, described gasification installation comprises charge door, combustible gas outlet, slag-drip opening and residual oil nozzle, thermal cracker comprises that material inlet, combustible gas feed mouth, gas mixture outlet, solid carbon outlet and residual oil nozzle, cat-cracker comprises gas mixture inlet and catalytically cracked gas outlet, the oil gas fractionating device comprises catalytically cracked gas inlet, steam inlet and residual oil outlet, residual oil refluxing opening, and wherein the residual oil outlet is communicated with by residual oil pump with the residual oil refluxing opening.The combustible gas outlet of gasification installation feeds mouth with the combustible gas of thermal cracker and is communicated with, the gas mixture outlet of thermal cracker is communicated with the gas mixture inlet of cat-cracker, the catalytically cracked gas outlet of cat-cracker is communicated with the catalytically cracked gas inlet of oil gas fractionating device, and the residual oil nozzle of gasification installation and thermal cracker is communicated with by residual oil pump with the residual oil outlet of oil gas fractionating device.

Described gasification installation is a kind of 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, the tubular type gasification furnace.

Described thermal cracker is a kind of 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, the tube cracking furnace.

Described cat-cracker is a fixed bed catalytic reactor, apparatus with catalyst inside.Described oil gas fractionating device is the oil gas fractionating column.

The utility model is that gasification is added gasification furnace with combustible by charge door, produces the high-temperature gasification combustible gas, utilizes its sensible heat heating to drop into the oiling organic matter of pyrocrack furnace.The ash of gasification furnace can merge or separate cooling with slag and collect.The oil gas that pyrocrack furnace produces has promoted the oil product label after the catalytic reaction of catalytic cracker, collect oil product and fuel gas by gas and oil separating plant.The solid carbon that pyrocrack furnace produces can be delivered to the raw material of gasification furnace as the gasification furnace gasification, can be carbon black through pyrolysis solid carbon system device of refining also.Combustible gas can directly use for the gas electricity generator generating or for the combustion gas user, and the gas electricity generator outlet can be provided with waste heat boiler, for the user provides steam or hot water, enters atmosphere through the flue gas behind the waste heat boiler recovery heat by chimney.

The utility model also can be widely used in handles various agriculture and forestry organic waste materials (as stalk, rice husk, straw, wooden unit, wood chip, bark, sawdust etc.) and industrial organic waste (as waste plastics, damaged tire, scrap rubber, used oil, waste animal vegetable oil, greasy filth, organic liquid waste etc.).

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

As shown in Figure 1, a kind of organic waste material for gasification cracking multi coproduction treating apparatus comprises fixed-bed gasification furnace 2, fixed bed pyrocrack furnace 9, fixed bed catalytic reactor 13 and oil gas fractionating column 17.Fixed-bed gasification furnace 2 comprises charge door 1, combustible gas outlet 4, slag-drip opening 5 and residual oil nozzle 3.Fixed bed pyrocrack furnace 9 comprises that material inlet 8, combustible gas feed mouth 6, gas mixture outlet 10, solid carbon outlet 11 and residual oil nozzle 7.Fixed bed catalytic reactor 13 comprises gas mixture inlet 12 and catalytically cracked gas outlet 14, apparatus with catalyst inside.Oil gas fractionating column 17 comprises catalytically cracked gas inlet 16, steam inlet 15 and residual oil outlet 19, residual oil refluxing opening 18, and wherein residual oil outlet 19 is communicated with by residual oil pump 20 with residual oil refluxing opening 18; The combustible gas outlet 4 of fixed-bed gasification furnace 2 feeds mouth 6 with the combustible gas of fixed bed pyrolysis furnace 9 and is communicated with, the gas mixture outlet 10 of fixed bed pyrolysis furnace 9 is communicated with the gas mixture inlet 12 of fixed bed catalytic reactor 13, the outlet 14 of the catalytically cracked gas of fixed bed catalytic reactor 13 is communicated with the catalytically cracked gas inlet 16 of oil gas fractionating column 17, and the residual oil nozzle 3 of fixed-bed gasification furnace 2 and the residual oil nozzle 7 of fixed bed pyrolysis furnace 9 and the residual oil of oil gas fractionating column 17 export 19 and is communicated with by residual oil pump 20.

Workflow of the present utility model is: 1, gasification is sent into organic matter and is carried out combustion gasification in the fixed-bed gasification furnace, and the gasification combustible gas of generation is discharged from the fixed bed gasification outlet of still, after cyclone separator purifies the fixed bed pyrocrack furnace is heated.The ash that gasification produces is discharged from whirlwind separator and slag-drip opening with slag, transports outward after the cooler cooling, and lime-ash is separate collection as required also.2, oiling is sent into the fixed bed pyrocrack furnace with organic matter, reach the thermal cracking temperature via the heating of gasification combustible gas, material carries out heat scission reaction, and cracking produces gas mixture and solid carbon, discharges through discharge end.3, solid carbon can be delivered to fixed-bed gasification furnace as gasified raw material, can be carbon black through pyrolysis solid carbon system device of refining also.4, gas mixture purifies through cyclone separator, and after heat exchange, enters fixed bed catalytic reactor and carry out catalytic pyrolysis.5, the gas mixture of fixed bed catalytic reactor discharge obtains gasoline, diesel oil and incoagulability combustible gas after entering oil gas fractionating column and further the purification after the heat exchange.The residual oil of separating at the bottom of the fractionating column can be further used as gasification or cracking raw material or outside sell.

The utility model compared with prior art has the following advantages:

1, gasification and the cracking with organic waste organically combines, and solved the single disadvantage of material handling in the traditional treatment method, can handle biomass castoff and macromolecule organic waste simultaneously;

2, gasification and the cracking with organic waste organically combines, pyrocrack furnace utilizes the high-temperature gasification synthesis gas to heat, the pyrocrack furnace heat-transfer effect is good, be difficult for coking, the product quality is good, need not add any auxiliary fuel, the needs that well solved existing single cracking technique existence add the difficult problem of auxiliary fuel;

3, gasification and the cracking technique with organic waste organically combines, high-load hydrogen in the gasification artificial fuel gas, help increasing the saturation degree of the hydrocarbon product of cracking reaction, cracking oil gas quality is improved, well solved the existing low difficult problem of single cracking technique hydrocarbon product saturation degree;

4, the gasification artificial fuel gas can further be removed wherein residual tar through pyrolysis furnace and oil gas fractionating device, has solved the difficult problem that tar that existing single gasification technology exists is difficult to remove well, improves the quality of combustible gas product;

5, should not return gasification furnace by conveying device as the solid carbon and/or the carbon black sorting discarded object of production of carbon black raw material to the pyrocrack furnace outlet, can further generate the high heating value combustion gas, it is more thorough that changing rejected material to useful resource is handled;

6, the reaction condition of gasification and cracker is reducing atmosphere, has suppressed NOx, SO ₂, pollutant such as dioxin discharging, gasification furnace and pyrocrack furnace afterbody, carbon black refining system are equipped with dust arrester, be provided with synthesis gas depickling purifier in the oil gas fractionating system, pollutant emission is strict controlled in the national standard, the H in oil, the gas product ₂S, SO ₂, pollutants such as mercaptan, HCl also obtain removing;

7, a small amount of waste water composition of producing of this device is simple, does not contain unmanageable pollutants such as tar, can be by the water technology simple process qualified discharge of routine or recycling.

Claims

1, a kind of organic waste material for gasification cracking multi coproduction treating apparatus, comprise gasification installation, thermal cracker, cat-cracker and oil gas fractionating device, it is characterized in that described gasification installation comprises charge door, the combustible gas outlet, slag-drip opening and residual oil nozzle, thermal cracker comprises material inlet, combustible gas feeds mouth, the gas mixture outlet, solid carbon outlet and residual oil nozzle, cat-cracker comprises gas mixture inlet and catalytically cracked gas outlet, the oil gas fractionating device comprises the catalytically cracked gas inlet, steam inlet and residual oil outlet, the residual oil refluxing opening, wherein the residual oil outlet is communicated with by residual oil pump with the residual oil refluxing opening; The combustible gas outlet of gasification installation feeds mouth with the combustible gas of thermal cracker and is communicated with, the gas mixture outlet of thermal cracker is communicated with the gas mixture inlet of cat-cracker, the catalytically cracked gas outlet of cat-cracker is communicated with the catalytically cracked gas inlet of oil gas fractionating device, and the residual oil nozzle of gasification installation and thermal cracker is communicated with by residual oil pump with the residual oil outlet of oil gas fractionating device.

2, a kind of organic waste material for gasification cracking multi coproduction treating apparatus as claimed in claim 1 is characterized in that described gasification installation is a kind of 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, the tubular type gasification furnace.

3, a kind of organic waste material for gasification cracking multi coproduction treating apparatus as claimed in claim 1 is characterized in that described thermal cracker is a kind of 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, the tube cracking furnace.

4, a kind of organic waste material for gasification cracking multi coproduction treating apparatus as claimed in claim 1 is characterized in that described cat-cracker is a fixed bed catalytic reactor, apparatus with catalyst inside.

5, a kind of organic waste material for gasification cracking multi coproduction treating apparatus as claimed in claim 1 is characterized in that described oil gas fractionating device is the oil gas fractionating column.