CN109575998B - Distributed multifunctional organic matter gasification pyrolysis energy supply device and method - Google Patents
Distributed multifunctional organic matter gasification pyrolysis energy supply device and method Download PDFInfo
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- 238000002309 gasification Methods 0.000 title claims abstract description 80
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000005416 organic matter Substances 0.000 title claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 75
- 238000010248 power generation Methods 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 109
- 238000007599 discharging Methods 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 16
- 239000002918 waste heat Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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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
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- C10J2300/0909—Drying
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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
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1606—Combustion processes
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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
- C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a distributed multifunctional organic matter gasification pyrolysis energy supply device and method. Compared with the traditional combustion energy supply power generation mode, the device provided by the invention is easy to miniaturize, strong in raw material adaptability, low in requirement on water content, and free from pulverizing and granulating the raw materials, so that the power generation cost is greatly reduced. The pyrolysis gasification process furthest has reduced the process energy consumption, has automatically cleaning characteristic simultaneously, and the pollutant discharges lowly, produces tar hardly, and equipment reliability improves by a wide margin, and spiral blevile of push can accurately control the dwell time of organic matter in the pyrolysis gasification section through control frequency, provides convenient for whole reaction.
Description
Technical Field
The invention relates to a distributed multifunctional organic matter gasification pyrolysis energy supply device and method.
Background
With the coming of the new century, human beings face double pressure of economic growth and environmental protection, the production and consumption modes of energy are changed, renewable energy including biomass energy is developed and utilized by modern technology, waste organic matters including waste rubber, waste plastic and other resources are recycled, and the method has great significance for establishing a sustainable energy system, promoting social and economic development and ecological environment improvement and getting rid of dependence on fossil energy.
According to the national energy plan of thirteen five, the use of traditional energy is no longer suitable for the development of modern countries, and the development and the utilization of new energy become important. At present, the development direction of new energy is to convert primary energy and secondary energy into electric energy, zero emission and zero pollution are achieved in the real sense at a use end, and therefore how to realize energy conservation and emission reduction at an electric energy generation end is the key to realize energy reform.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the distributed multifunctional organic matter gasification pyrolysis energy supply device and method, compared with the traditional combustion energy supply power generation mode, the distributed multifunctional organic matter gasification pyrolysis energy supply device is easy to miniaturize, has strong raw material adaptability and low requirement on water content, does not need to be milled and granulated, and greatly reduces the power generation cost. The pyrolysis gasification process furthest has reduced the process energy consumption, has automatically cleaning characteristic simultaneously, and the pollutant discharges lowly, produces tar hardly, and equipment reliability improves by a wide margin, and spiral blevile of push can accurately control the dwell time of organic matter in the pyrolysis gasification section through control frequency, provides convenient for whole reaction.
The technical scheme of the invention is as follows:
a distributed multifunctional organic matter gasification pyrolysis energy supply device comprises a gasification combustion device 1, a sealed feeding device 2, an ash discharging device 3, a fuel gas purifying device 4, a combustible gas condenser 5, a combustible gas collecting device 6, a combustion power generation device 7, a gas waste heat recovery device 8 and a storage battery 9;
the sealed feeding device 2 comprises a feeding hole 2a, a sealed feeding valve 2b and a spiral feeder 2c, the feeding hole 2a is controlled by the sealed feeding valve 2b, and the spiral feeder 2c is arranged at the outlet of the sealed feeding valve 2b and communicated with the hearth of the gasification combustion device 1;
the gasification combustion device 1 comprises a spiral pushing device 1a, a drying section 1b, a pyrolysis gasification section 1c and a combustion section 1d, the gasification combustion device 1 is internally divided into a left chamber and a right chamber, the tops of the two chambers are communicated, and the bottom of the two chambers is separated; the first chamber is a combustion section 1d, and the combustion section 1d is provided with a gasification agent inlet 1 e; the other chamber is provided with a drying section 1b and a pyrolysis gasification section 1c from bottom to top;
the ash slag discharging device 3 comprises a spiral discharging device 3a, a sealing discharging valve 3b and a slag hole 3c, the bottom of a combustion section 1d of the distributed gasification combustion device 2 is connected with an inlet of the spiral discharging device 3a, an outlet of the spiral discharging device 3a is connected with the slag hole 3c, the sealing discharging valve 3b is arranged between the spiral discharging device 3a and the slag hole 3c, and a cooling air inlet 3d is arranged below the spiral discharging device 3 a;
the pyrolysis gasification gas outlet of the gasification combustion device 1 is connected with the gas purification inlet of the gas purification device 4, the gas purification outlet of the gas purification device 4 is connected with the gas inlet of the combustible gas condenser 5, the gas outlet of the combustible gas condenser 5 is connected with the gas inlet of the combustible gas collection device 6, the gas outlet of the combustible gas collection device 6 is connected with the clean gas inlet of the combustion power generation device 7, the gas outlet of the combustion power generation device 7 is connected with the gas inlet 8a of the gas waste heat recovery device 8, and the hot air outlet 8d of the gas waste heat recovery device 8 is connected with the gasifying agent inlet 1e of the gasification combustion device 1;
the combustible gas condenser 4 is provided with a condensed liquid fuel outlet 4 a;
the combustion power generation device 7 is provided with an electric power outlet and is connected with a storage battery 9;
the gas waste heat recovery device 8 is provided with a normal temperature air inlet 8c and a smoke outlet 8 b.
A distributed multifunctional organic matter gasification pyrolysis energy supply method comprises the following steps:
(1) organic matters are added from a feeding hole 2a, and enter a drying section 1b at the bottom of a gasification combustion device 1 after being exhausted by a sealed feeding device 2, the organic matters are pushed by a spiral pushing device 1a to sequentially pass through the drying section 1b and a pyrolysis gasification section 1c from bottom to top and reach the top of a furnace body, products after pyrolysis gasification fall to a combustion section 1c of the furnace body for gasification and full combustion, hot flue gas generated by combustion sequentially flows through gasification, pyrolysis and drying to provide energy for the whole gasification pyrolysis drying process, generated hot ash residues are cooled by cold air, then pass through a spiral discharging device 3a of an ash residue discharging device 3, pass through a sealed discharging valve 3b and are discharged from a slag outlet 3c to a system, and generated hot air is blown into the combustion section 1d from the bottom to participate in reaction;
(2) pyrolysis gasification gas generated in the pyrolysis gasification section 1c is discharged out of the furnace body from a gas outlet near the feed inlet 2a and enters a gas purification device 4, the pyrolysis gasification gas is subjected to removal of a small amount of dust and acidic components and then enters a combustible gas condenser 5 to remove macromolecular condensable gas and a small amount of light tar, the generated clean combustible gas is sent into a combustible gas collection device 6 and then enters a combustion power generation device 7 through the combustible gas collection device 6 to perform gas power generation, and the generated high-temperature flue gas is discharged out of the system after waste heat recovery;
(3) the electric energy generated by combustion power generation is sent to a storage battery 9 for storage, and the electric vehicle is charged or distributed electric power is provided; the hot air generated after the normal temperature air is heated up through the heat exchange of the gas heat exchange device is used as a gasifying agent to participate in the reaction in the furnace through a gasifying agent inlet of a combustion section 1d of the gasification combustion device 1.
The invention has the beneficial effects that:
(1) compare with traditional combustion energy supply power generation mode, easily miniaturization, raw materials strong adaptability, it is low to the moisture content requirement, need not carry out the powder process granulation to the raw materials, reduced the power generation cost by a wide margin.
(2) The pyrolysis gasification process reduces the process energy consumption to the maximum extent, and has the characteristics of self-cleaning, low pollutant discharge, almost no tar generation and great improvement of equipment reliability.
(3) The spiral pushing device can accurately control the retention time of the organic matters in the pyrolysis gasification section by controlling the frequency, and convenience is provided for the whole reaction.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1, a gasification combustion device; 1a spiral pushing device; 1b a drying section; 1c a pyrolysis gasification stage; 1d a combustion section; 1e a gasification agent inlet; 2a sealed feeding device; 2a feed inlet; 2b sealing the feed valve; 2c a screw feeder; 3 ash and slag discharging device; 3a spiral discharging device; 3b, sealing the discharge valve; 3c a slag outlet; 3d cooling air inlet; 4, a gas purification device; 4a condensed liquid fuel outlet; 5 a combustible gas condenser; 6 combustible gas collecting device; 7 a combustion power generation device; 8, a gas waste heat recovery device; 8a gas inlet; 8b a flue gas outlet; 8c a normal temperature air inlet; 8d hot air outlet; 9 storage battery.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
Examples
A distributed multifunctional organic matter gasification pyrolysis energy supply device comprises a gasification combustion device 1, a sealed feeding device 2, an ash discharging device 3, a fuel gas purifying device 4, a combustible gas condenser 5, a combustible gas collecting device 6, a combustion power generation device 7, a gas waste heat recovery device 8 and a storage battery 9;
the sealed feeding device 2 comprises a feeding hole 2a, a sealed feeding valve 2b and a spiral feeder 2c, the feeding hole 2a is controlled by the sealed feeding valve 2b, and the spiral feeder 2c is arranged at the outlet of the sealed feeding valve 2b and communicated with the hearth of the gasification combustion device 1;
the gasification combustion device 1 comprises a spiral pushing device 1a, a drying section 1b, a pyrolysis gasification section 1c and a combustion section 1d, the gasification combustion device 1 is internally divided into a left chamber and a right chamber, the tops of the two chambers are communicated, and the bottom of the two chambers is separated; the first chamber is a combustion section 1d, and the combustion section 1d is provided with a gasification agent inlet 1 e; the other chamber is provided with a drying section 1b and a pyrolysis gasification section 1c from bottom to top;
the ash slag discharging device 3 comprises a spiral discharging device 3a, a sealing discharging valve 3b and a slag hole 3c, the bottom of a combustion section 1d of the distributed gasification combustion device 2 is connected with an inlet of the spiral discharging device 3a, an outlet of the spiral discharging device 3a is connected with the slag hole 3c, the sealing discharging valve 3b is arranged between the spiral discharging device 3a and the slag hole 3c, and a cooling air inlet 3d is arranged below the spiral discharging device 3 a;
the pyrolysis gasification gas outlet of the gasification combustion device 1 is connected with the gas purification inlet of the gas purification device 4, the gas purification outlet of the gas purification device 4 is connected with the gas inlet of the combustible gas condenser 5, the gas outlet of the combustible gas condenser 5 is connected with the gas inlet of the combustible gas collection device 6, the gas outlet of the combustible gas collection device 6 is connected with the clean gas inlet of the combustion power generation device 7, the gas outlet of the combustion power generation device 7 is connected with the gas inlet 8a of the gas waste heat recovery device 8, and the hot air outlet 8d of the gas waste heat recovery device 8 is connected with the gasifying agent inlet 1e of the gasification combustion device 1;
the combustible gas condenser 4 is provided with a condensed liquid fuel outlet 4 a;
the combustion power generation device 7 is provided with an electric power outlet and is connected with a storage battery 9;
the gas waste heat recovery device 8 is provided with a normal temperature air inlet 8c and a smoke outlet 8 b.
A distributed multifunctional organic matter gasification pyrolysis energy supply method comprises the following steps:
(1) organic matters are added from a feeding hole 2a, and enter a drying section 1b at the bottom of a gasification combustion device 1 after being exhausted by a sealed feeding device 2, the organic matters are pushed by a spiral pushing device 1a to sequentially pass through the drying section 1b and a pyrolysis gasification section 1c from bottom to top and reach the top of a furnace body, products after pyrolysis gasification fall to a combustion section 1c of the furnace body for gasification and full combustion, hot flue gas generated by combustion sequentially flows through gasification, pyrolysis and drying to provide energy for the whole gasification pyrolysis drying process, generated hot ash residues are cooled by cold air, then pass through a spiral discharging device 3a of an ash residue discharging device 3, pass through a sealed discharging valve 3b and are discharged from a slag outlet 3c to a system, and generated hot air is blown into the combustion section 1d from the bottom to participate in reaction;
(2) pyrolysis gasification gas generated in the pyrolysis gasification section 1c is discharged out of the furnace body from a gas outlet near the feed inlet 2a and enters a gas purification device 4, the pyrolysis gasification gas is subjected to removal of a small amount of dust and acidic components and then enters a combustible gas condenser 5 to remove macromolecular condensable gas and a small amount of light tar, the generated clean combustible gas is sent into a combustible gas collection device 6 and then enters a combustion power generation device 7 through the combustible gas collection device 6 to perform gas power generation, and the generated high-temperature flue gas is discharged out of the system after waste heat recovery;
(3) the electric energy generated by combustion power generation is sent to a storage battery 9 for storage, and the electric vehicle is charged or distributed electric power is provided; the hot air generated after the normal temperature air is heated up through the heat exchange of the gas heat exchange device is used as a gasifying agent to participate in the reaction in the furnace through a gasifying agent inlet of a combustion section 1d of the gasification combustion device 1.
Claims (2)
1. The distributed multifunctional organic matter gasification pyrolysis energy supply device is characterized by comprising a gasification combustion device (1), a sealed feeding device (2), an ash discharging device (3), a gas purifying device (4), a combustible gas condenser (5), a combustible gas collecting device (6), a combustion power generation device (7), a gas waste heat recovery device (8) and a storage battery (9);
the sealed feeding device (2) comprises a feeding hole (2a), a sealed feeding valve (2b) and a spiral feeder (2c), the feeding hole (2a) is controlled by the sealed feeding valve (2b), and the spiral feeder (2c) is arranged at the outlet of the sealed feeding valve (2b) and communicated with the hearth of the gasification combustion device (1);
the gasification combustion device (1) comprises a spiral pushing device (1a), a drying section (1b), a pyrolysis gasification section (1c) and a combustion section (1d), the gasification combustion device (1) is internally divided into a left chamber and a right chamber, the tops of the two chambers are communicated, and the bottom of the two chambers is separated; the first chamber is a combustion section (1d), and the combustion section (1d) is provided with a gasification agent inlet (1 e); the other chamber is provided with a drying section (1b) and a pyrolysis gasification section (1c) from bottom to top;
the ash slag discharging device (3) comprises a spiral discharger (3a), a sealing discharge valve (3b) and a slag hole (3c), the bottom of a combustion section (1d) of the distributed gasification combustion device (2) is connected with an inlet of the spiral discharger (3a), an outlet of the spiral discharger (3a) is connected with the slag hole (3c), the sealing discharge valve (3b) is arranged between the spiral discharger (3a) and the slag hole (3c), and a cooling air inlet (3d) is arranged below the spiral discharger (3 a);
a pyrolysis gasification gas outlet of the gasification combustion device (1) is connected with a gas purification inlet of the gas purification device (4), a gas purification outlet of the gas purification device (4) is connected with a gas inlet of the combustible gas condenser (5), a gas outlet of the combustible gas condenser (5) is connected with a gas inlet of the combustible gas collection device (6), a gas outlet of the combustible gas collection device (6) is connected with a clean gas inlet of the combustion power generation device (7), a gas outlet of the combustion power generation device (7) is connected with a gas inlet (8a) of the gas waste heat recovery device (8), and a hot air outlet (8d) of the gas waste heat recovery device (8) is connected with a gasifying agent inlet (1e) of the gasification combustion device (1);
the combustible gas condenser (4) is provided with a condensed liquid fuel outlet (4 a);
the combustion power generation device (7) is provided with an electric power outlet and is connected with a storage battery (9);
the gas waste heat recovery device (8) is provided with a normal-temperature air inlet (8c) and a smoke outlet (8 b).
2. A distributed multifunctional organic matter gasification pyrolysis energy supply method is characterized by comprising the following steps:
(1) organic matters are added from a feeding hole (2a), after air is exhausted through a sealed feeding device (2), the hot smoke generated by combustion sequentially flows through gasification, pyrolysis and drying to provide energy for the whole gasification, pyrolysis and drying processes, the generated hot ash is cooled by cold air, passes through a spiral discharging device (3a) of an ash discharging device (3), is discharged out of a system through a sealed discharging valve (3b) and a slag outlet (3c), and the generated hot air is blown into the combustion section (1d) from the bottom to participate in reaction;
(2) pyrolysis gasification gas generated by the pyrolysis gasification section (1c) is discharged out of the furnace body from a gas outlet near the feed inlet (2a) and enters a gas purification device (4), the pyrolysis gasification gas is subjected to removal of a small amount of dust and acidic components and then enters a combustible gas condenser (5) to remove macromolecular condensable gas and a small amount of light tar, the generated clean combustible gas is sent into a combustible gas collection device (6), the combustible gas enters a combustion power generation device (7) from the combustible gas collection device (6) to perform gas power generation, and the generated high-temperature flue gas is discharged out of the system after waste heat recovery;
(3) the electric energy generated by combustion power generation is sent to a storage battery (9) for storage, and the electric vehicle is charged or distributed electric power is provided; the hot air generated after the normal temperature air is heated up through the heat exchange of the gas heat exchange device is used as a gasifying agent to participate in the reaction in the furnace through a gasifying agent inlet of a combustion section (1d) of the gasification combustion device (1).
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| CN201910019861.7A CN109575998B (en) | 2019-01-09 | 2019-01-09 | Distributed multifunctional organic matter gasification pyrolysis energy supply device and method |
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Citations (4)
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