CN110437861A - It is a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis method and apparatus - Google Patents
It is a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis method and apparatus Download PDFInfo
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- CN110437861A CN110437861A CN201910692515.5A CN201910692515A CN110437861A CN 110437861 A CN110437861 A CN 110437861A CN 201910692515 A CN201910692515 A CN 201910692515A CN 110437861 A CN110437861 A CN 110437861A
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 130
- 239000002910 solid waste Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 17
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000010457 zeolite Substances 0.000 title claims abstract description 17
- 239000003054 catalyst Substances 0.000 title claims abstract description 15
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims description 89
- 239000011261 inert gas Substances 0.000 claims description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 8
- 238000007233 catalytic pyrolysis Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 7
- 239000010813 municipal solid waste Substances 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- 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 invention discloses a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis method and device, described device includes fire grate pyrolysis oven, microwave generator, quadric catalysis pyrolysis oven, gas tank, combustion furnace, gas heat exchanger, deduster and chimney, and the furnace wall bottom of fire grate pyrolysis oven and quadric catalysis pyrolysis oven is arranged in microwave generator；The pyrolysis gas outlet of quadric catalysis pyrolysis oven is connected to gas tank, and pyrolysis gas part enters combustion furnace, remaining is sent into gas tank；Exhanst gas outlet is connected to deduster, after processing through smoke stack emission；Wherein catalyst layer of the artificial synthesized zeolite as secondary pyrolysis oven.The present invention has the advantages that simple and easy to do, product yield is high, environment protecting is good, can be widely applicable for the processing of city combustible solid wastes by utilizing rubbish, application prospect is wider.
Description
Technical field
The present invention relates to combustible solid wastes by utilizing method for pyrolysis and devices, more particularly to one kind to be urged based on microwave-assisted and zeolite
The combustible solid wastes by utilizing high temperature pyrolysis producing gas method and device of agent.
Background technique
Continually developing using the development with social economy, in particular with the fast of urbanization due to natural resources in recent years
Speed development, the municipal refuse of countries in the world are increased with faster speed, and resulting urban solid garbage is to earth ecology
Huge threat is brought, serious social concern is become.The generation of some materials largely disappears along with non-renewable resources
Consumption, energy supply growing tension, therefore countries in the world have all turned one's attention to the exploitation of renewable energy technologies.Flammable solid is useless
Object will all have real meaning to solution environmental problem, alleviation energy supply pressure as available resources, processing and utilizing technology
Justice.The recovery and reusing and recycling mode of combustible solid wastes by utilizing can be mainly divided into following three classes: (1) regeneration；(2) recycling is burned
Energy；(3) cracking conversion.Wherein regeneration is most economical and the simplest method, but since combustible solid wastes by utilizing is with more
The characteristics of sample, promiscuity, soiled, therefore its processing program is more many and diverse, obtained composite recycled material property is also unstable.
Combustible solid wastes by utilizing calorific value is higher, recoverable energy of burning, but can generate a large amount of poisonous and harmful substances when burning, easy to environment
Cause " secondary pollution ".Research has shown that combustible solid wastes by utilizing carries out thermal cracking under certain condition can be made fuel oil, fuel gas
With active carbon etc..Converting combustible solid wastes by utilizing fuel, not only can solve the pollution problem of combustible solid wastes by utilizing, may be used also
To alleviate the in short supply of the energy to a certain extent, it is considered to be most promising recovery method as resource.
Currently, China is directed to the processing of solid waste rubbish, also new technology is constantly being improved and developed.Especially to flammable
For solid waste, pyrolytic technique is and its effective mode.Common pyrolysis way has shading pyrolysis, medium temperature pyrolysis and height
Warm solution.The product that wherein high temperature pyrolysis obtains is mostly gas products, has the advantages that transport storage is convenient.But often
The pyrolytic technique heating seen is slower, and temperature is not easily controlled, and leads to the disadvantages of product yield is not high, and quality is not high.Therefore having must
Operation cost can be saved by developing, and the invention for improving product yield and quality solves these problems.
Summary of the invention
It is proposed by the present invention a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis gas side
Method and device.Microwave generator is added on the basis of conventional oven bank of pyrolysis furnace, and high temperature inert gas is passed through into furnace and carries out height
Warm solution, temperature are controlled at 750 DEG C -850 DEG C.Pyrolysis gas is sent into quadric catalysis pyrolysis oven simultaneously and carries out catalytic pyrolysis, is adopted
The zeolite manually synthesized has wearability and unique porous structure as catalyst, artificial synthesized zeolite, can be abundant
Ground carries out heat transfer, and has good catalytic performance, thermal stability and high catalytic activity.Combustion furnace is fed gas into again,
Its burning is set to provide heat required when pyrolysis, gas products of having more than needed carry out product collection, are applied to other industry.Tail gas passes through
Inert gas therein is separated after processing to recycle.
The purpose of the present invention is realized at least through one of following technical solution.
It is a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis device, which is characterized in that packet
Include fire grate pyrolysis oven, microwave generator, fire grate, quadric catalysis pyrolysis oven, gas tank, combustion furnace, deduster, gas separator and cigarette
The furnace wall bottom of fire grate pyrolysis oven and quadric catalysis pyrolysis oven is arranged in chimney, microwave generator；The pyrolysis of quadric catalysis pyrolysis oven
Gas outlet is respectively connected to gas tank and combustion furnace, the flue gas at the top of the high-temperature flue gas of generation of burning in combustion furnace, fire grate pyrolysis oven
Outlet with the flue gas at the top of quadric catalysis pyrolysis oven is connected to deduster, and the exhanst gas outlet of deduster is connected to gas separation
The gas feed of device, the offgas outlet of gas separator are connected to chimney and are discharged.
It further, further include gas heat exchanger, the high-temperature flue gas outlet for generation of burning in combustion furnace is connected to fire grate heat
It solves furnace and quadric catalysis pyrolysis oven and provides heat for the two, the high-temperature flue gas outlet of combustion furnace is additionally coupled to before being connected to deduster
Gas heat exchanger.
It further, further include screw(-type) feeder and collecting chamber, screw(-type) feeder is connected to the side wall bottom of fire grate pyrolysis oven
Portion, collecting chamber are connected to fire grate pyrolysis furnace bottom to collect lime-ash, and the fire grate in fire grate pyrolysis oven is arranged in bottom sidewall.
It further, further include inert gas storage room, gas knockout tower connects inert gas storage room, gas is separated
The inert gas isolated in tower introduces inert gas storage room, and inert gas storage room connects gas heat exchanger for inert gas
Heating, the inert gas outlet of gas heat exchanger are connected to the bottom inlet of fire grate pyrolysis oven.
Further, fire grate pyrolysis oven and quadric catalysis pyrolysis oven are all made of jacket for heat exchange, and burning generates in combustion furnace
High-temperature flue gas enters collet and exchanges heat.
The method that combustible solid wastes by utilizing high temperature pyrolysis is carried out using above-mentioned combustible solid wastes by utilizing high temperature pyrolysis device, including such as
Lower step:
(1) it is pyrolyzed the preparation stage: being passed through inert gas to fire grate pyrolysis oven, make to be fully warmed-up in pyrolysis oven；
(2) pyrolysis phases: screw(-type) feeder feeds material, and the high-temperature field for generating microwave is pyrolyzed material；
(3) quadric catalysis pyrolysis oven carries out high-temperature catalytic pyrolysis to the pyrolysis gas generated in fire grate pyrolysis oven；
(4) secondary pyrolysis gas is sent into combustion furnace burning, gas of having more than needed is sent into gas tank；
(5) flue gas that combustion furnace, fire grate pyrolysis oven and quadric catalysis pyrolysis oven generate is dusted into deduster, then into
Enter gas knockout tower, gas is separated into tail gas and inert gas, and tail gas enters chimney and discharged.
Further, the combustion furnace draws high-temperature flue gas part and introduces fire grate pyrolysis oven and quadric catalysis pyrolysis oven, right
The two exchanges heat, and remainder is introduced into gas heat exchanger and exchanges heat, and then enters back into deduster.
It further, the use of inert gas is CO in step (1)2, CO2As auxiliary gas, stability is strong, and cost
Cheaply.
Further, the reaction temperature in fire grate pyrolysis oven and quadric catalysis pyrolysis oven is 750 DEG C -850 DEG C.
Further, inert gas isolated in gas knockout tower is introduced into inert gas storage room, then passes through
Enter fire grate pyrolysis oven after exchanging heat in gas heat exchanger.
Further, it uses artificial synthesized zeolite porous media as catalyst in step (3) in furnace, has good
Thermal stability and high catalytic activity, while being pyrolyzed using microwave, be easy to quick raising and the Reasonable Regulation And Control of temperature.
Compared with prior art, advantages of the present invention and effect are:
(1) compared with traditional burner bank of pyrolysis furnace, it is provided with microwave generator in furnace wall bottom, is able to carry out and is rapidly heated simultaneously effectively
Ground regulating and controlling temperature, while improving pyrolysis rate；
(2) secondary pyrolysis way is used, setting utilizes its height through artificial synthesized zeolite as catalyst in secondary pyrolysis oven
Catalytic activity improves pyrolysis rate；
(3) high temperature pyrolysis is utilized, temperature controls at 750 DEG C -850 DEG C, can obtain the gas products of high yield, can be applied to it
He is industrial；
(4) using the portion gas product after combustion furnace burning separation, heat needed for providing pyrolysis oven realizes the saving of resource
With make full use of；
(5) gas separator is set after deduster, and separation inert gas recycles, and economy is high；
(6) setting gas heat exchanger heats inert gas in advance, it is avoided to reduce pyrolysis rate in pyrolysis oven；
(7) advantage that the present invention is simple and easy to do, pyrolysis rate is high, environment protecting is good, can be widely applicable for city flammable solid
The processing of waste rubbish, application prospect are wider.
Detailed description of the invention
Fig. 1 is that the present invention is based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis device figures；
In figure: 1- fire grate pyrolysis oven；2- screw(-type) feeder；3- microwave generator；4- ash collection room；5- fire grate；It urges for 6- bis- times
Change pyrolysis oven；7- gas tank；8- combustion furnace；9- inert gas storage room；10- gas heat exchanger；11 dedusters；12 inert gases point
From tower；13- chimney.
Specific embodiment
The present invention is more specifically described in detail combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, the present invention is based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis schematic device,
Including fire grate pyrolysis oven 1, screw(-type) feeder 2, microwave generator 3, collecting chamber 4, fire grate 5, quadric catalysis pyrolysis oven 6, gas tank 7,
Combustion furnace 8, inert gas storage room 9, gas heat exchanger 10, deduster 11, gas separator 12 and chimney 13, microwave generator
3 are arranged in the furnace wall bottom of fire grate pyrolysis oven 1 and quadric catalysis pyrolysis oven 6；Screw(-type) feeder 2 is connected to fire grate pyrolysis oven 1
Sidewall bottom, collecting chamber 4 are connected to 1 bottom of fire grate pyrolysis oven to collect lime-ash, and the pyrolysis gas outlet of quadric catalysis pyrolysis oven 7 connects
It is connected to gas tank 7, partial thermal decomposition gas enters combustion furnace 8, and the part high-temperature flue gas for generation of burning in combustion furnace 8 enters fire grate pyrolysis oven
1 and quadric catalysis pyrolysis oven 6 chuck layer for both heat is provided, the remaining high-temperature flue gas of generation of burning in combustion furnace 8 into
Enter to be introduced into gas heat exchanger 10 before deduster 11 and exchange heat.
The outlet of the flue gas at 6 top of flue gas and quadric catalysis pyrolysis oven at 1 top of fire grate pyrolysis oven is connected to deduster
11, the exhanst gas outlet of deduster 11 is connected to the gas feed of gas separator 12, and enters by tail gas obtained after separation
Chimney 13 is discharged；It is recycled back to fire grate pyrolysis oven 1 through the isolated inert gas of gas separator 12, inert gas is advanced
Enter inert gas storage room 9, enters fire grate heat after the high-temperature flue gas heat exchange generated subsequently into gas heat exchanger 10 and combustion furnace 8
Solve furnace 1.
Wherein catalyst layer of the artificial synthesized zeolite as quadric catalysis pyrolysis oven 6,1 bottom of fire grate pyrolysis oven are passed through lazy
Property gas.
The method of combustible solid wastes by utilizing high temperature pyrolysis, specific steps are as follows:
(1) it is pyrolyzed the preparation stage: being passed through high temperature inert gas CO to fire grate pyrolysis oven 12, wherein CO2Have to pass through gas converting heat
The heat treatment of device 10 could be sent into furnace；
(2) primary pyrolysis starts: after being sent into furnace as material by screw(-type) feeder 2 using common damaged tire, being sent out using microwave
In-furnace temperature is promoted to 750 DEG C -850 DEG C by the microwave that raw device generates, and is pyrolyzed it sufficiently to material.
(3) catalytic pyrolysis is carried out to mixed gas using quadric catalysis pyrolysis oven 6, uses artificial synthesized zeolite more in furnace
Hole medium is pyrolyzed as catalyst with good thermal stability and high catalytic activity, while using microwave, is easy to pair
Temperature is regulated and controled, and temperature control is at 750 DEG C -850 DEG C when catalytic pyrolysis.
(4) secondary pyrolysis gas is sent into combustion furnace 8, gas of having more than needed is sent into gas tank 7 and carries out product collection.
(5) high-temperature flue gas drawn as combustion furnace 8 provides heat required for pyrolysis oven and gas heat exchanger 10.
(6) flue gas that heat utilization finishes first is introduced into deduster 11 and is dusted processing, separate indifferent gas therein
Body is recycled, and exhaust gas is finally discharged.
Further, fire grate pyrolysis oven 1 and quadric catalysis pyrolysis oven 6 are all made of outer layer heat preservation, and collet is passed through high-temperature flue gas
It is heated.
Embodiment of the present invention are not limited by the above embodiments, other are any without departing from Spirit Essence of the invention
With changes, modifications, substitutions, combinations, simplifications made under principle, equivalent substitute mode should be, be included in of the invention
Within protection scope.
Claims (10)
1. a kind of based on microwave-assisted and zeolite catalyst combustible solid wastes by utilizing high temperature pyrolysis device, which is characterized in that including
Fire grate pyrolysis oven (1), microwave generator (3), quadric catalysis pyrolysis oven (6), gas tank (7), combustion furnace (8), deduster (11), gas
Body separator (12) and chimney (13), microwave generator (3) setting is in fire grate pyrolysis oven (1) and quadric catalysis pyrolysis oven (6)
Furnace wall bottom；The pyrolysis gas outlet of quadric catalysis pyrolysis oven (6) is respectively connected to gas tank (7) and combustion furnace (8), combustion furnace (8)
Flue gas at the top of high-temperature flue gas that middle burning generates, flue gas and quadric catalysis pyrolysis oven (6) at the top of fire grate pyrolysis oven (1) goes out
Mouth is connected to deduster (11), and the exhanst gas outlet of deduster (11) is connected to the gas feed of gas separator (12), gas
The offgas outlet of separator (12) is connected to chimney (13).
2. combustible solid wastes by utilizing high temperature pyrolysis device according to claim 1, which is characterized in that further include gas heat exchanger
(10), combustion furnace (8) high temperature exhanst gas outlet is connected to fire grate pyrolysis oven (1) and quadric catalysis pyrolysis oven (6) and provides for the two
Heat, the high-temperature flue gas outlet of combustion furnace (8) are first connected to gas heat exchanger (10), are then connected to deduster (11).
3. combustible solid wastes by utilizing high temperature pyrolysis device according to claim 1, which is characterized in that further include screw(-type) feeder
(2) and collecting chamber (4), screw(-type) feeder (2) are connected to the sidewall bottom of fire grate pyrolysis oven (1), and collecting chamber (4) is connected to fire grate
To collect lime-ash, the fire grate (5) in fire grate pyrolysis oven (1) is arranged in bottom sidewall for pyrolysis oven (1) bottom.
4. combustible solid wastes by utilizing high temperature pyrolysis device according to claim 2, which is characterized in that further include inert gas storage
It deposits room (9), gas knockout tower (12) connects inert gas storage room (9), the indifferent gas that will be isolated in gas knockout tower (12)
Body introduces inert gas storage room (9), and inert gas is heated in inert gas storage room (9) connection gas heat exchanger (10), gas
The inert gas outlet of body heat exchanger (10) is connected to the bottom inlet of fire grate pyrolysis oven (1).
5. combustible solid wastes by utilizing high temperature pyrolysis device according to claim 2, which is characterized in that fire grate pyrolysis oven (1) and
Quadric catalysis pyrolysis oven (6) is all made of jacket for heat exchange, and the high-temperature flue gas that burning generates in combustion furnace (8) enters collet and changed
Heat.
6. a kind of carry out flammable solid using the described in any item combustible solid wastes by utilizing high temperature pyrolysis gas making devices of claim 1-5
The method of waste high temperature pyrolysis, which comprises the steps of:
(1) it is pyrolyzed the preparation stage: being passed through inert gas to fire grate pyrolysis oven (1), fire grate pyrolysis oven (1) is fully warmed-up；
(2) pyrolysis phases: screw(-type) feeder (2) feeds material, is pyrolyzed to the material in fire grate pyrolysis oven (1)；
(3) quadric catalysis pyrolysis oven (6) carries out catalytic pyrolysis to the pyrolysis gas generated in fire grate pyrolysis oven (1)；
(4) secondary pyrolysis gas is sent into combustion furnace (8), gas of having more than needed is sent into gas tank (7)；
(5) flue gas that combustion furnace (8), fire grate pyrolysis oven (1) and quadric catalysis pyrolysis oven (6) generate enter deduster (11) into
Row dedusting, subsequently into gas knockout tower (12), gas is separated into tail gas and inert gas, and tail gas enters chimney (13) progress
Discharge.
7. according to the method described in claim 6, it is characterized by: the combustion furnace (8), which draws high-temperature flue gas part, introduces furnace
Bank of pyrolysis furnace (1) and quadric catalysis pyrolysis oven (6), exchange heat to the two, remainder be introduced into gas heat exchanger (10) into
Row heat exchange, then enters back into deduster (11).
8. according to the method described in claim 6, it is characterized by: inert gas used in the step (1) is CO2；Fire grate
Reaction temperature in pyrolysis oven (1) and quadric catalysis pyrolysis oven (6) is 750 DEG C -850 DEG C.
9. according to the method described in claim 6, it is characterized by: inert gas isolated in gas knockout tower (12) is first
Into inert gas storage room (9), then by entering fire grate pyrolysis oven (1) after the heat exchange in gas heat exchanger (10).
10. according to the method described in claim 6, it is characterized by: being used inside quadric catalysis pyrolysis oven (6) in step (3)
Artificial synthesized zeolite is as catalyst.
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| CN106629711A (en) * | 2016-12-08 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | System and method for harmlessly treating waste |
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| CN107987866A (en) * | 2018-01-15 | 2018-05-04 | 陕西科技大学 | A kind of device and method of the efficient depolymerization co-producing bio-oil of solid waste microwave and charcoal |
| CN109679672A (en) * | 2019-01-31 | 2019-04-26 | 华南理工大学 | A kind of reaction system and its method of catalytic pyrolysis organic solid castoff preparing gas fuel |
| CN211546421U (en) * | 2019-07-30 | 2020-09-22 | 华南理工大学 | Combustible solid waste high-temperature pyrolysis device based on microwave assistance and zeolite catalyst |
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