CN105505477A - Multi-graded pyrolysis and gasification device of solid fuel and application method of multi-graded pyrolysis and gasification device - Google Patents

Multi-graded pyrolysis and gasification device of solid fuel and application method of multi-graded pyrolysis and gasification device Download PDF

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Publication number
CN105505477A
CN105505477A CN201510894537.1A CN201510894537A CN105505477A CN 105505477 A CN105505477 A CN 105505477A CN 201510894537 A CN201510894537 A CN 201510894537A CN 105505477 A CN105505477 A CN 105505477A
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CN
China
Prior art keywords
screw feeder
combustion chamber
gas
outlet
temperature
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Pending
Application number
CN201510894537.1A
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Chinese (zh)
Inventor
黄群星
周国顺
陆鹏
蒋旭光
李晓东
池勇
严建华
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Zhejiang University ZJU
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Zhejiang University ZJU
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Publication date
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Priority to CN201510894537.1A priority Critical patent/CN105505477A/en
Publication of CN105505477A publication Critical patent/CN105505477A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C10J3/64—Processes with decomposition of the distillation products
    • C10J3/66—Processes with decomposition of the distillation products by introducing them into the gasification zone
    • 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
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • 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
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/158—Screws
    • 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
    • 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
    • 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
    • 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1223—Heating the gasifier by burners
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The invention discloses a multi-graded pyrolysis and gasification device of a solid fuel and an application method of the multi-graded pyrolysis and gasification device. An inlet of a first spiral feeder is connected with a crusher and a steam generator at the same time; one outlet of the first spiral feeder is connected with a second spiral feeder through a star-shaped discharging valve, and the other outlet of the first spiral feeder is connected with one inlet of a high-temperature gas combustion chamber; the high-temperature gas combustion chamber is provided with two inlets and one outlet; the other inlet of the high-temperature gas combustion chamber is connected with an oxygen bottle; the outlet of the high-temperature gas combustion chamber is connected with one inlet of the second spiral feeder; the second spiral feeder is provided with two inlets and two outlets; the other inlet of the second spiral feeder is connected with the first spiral feeder through a star-shaped discharging valve; the two outlets of the second spiral feeder are connected with a dreg discharging hole and a gas storage tank respectively. The multi-graded pyrolysis and gasification device of the solid fuel is simple in structure and can be continuously operated, the gasification efficiency and purity of the solid fuel are improved and no pollution is caused. An operation process of the process has relatively high operability and stability, and the process has low cost and high production capacity.

Description

A kind of solid-fuelled multistage pyrolysis gasifying device and using method thereof
Technical field
The present invention relates to solid-fuelled multistage pyrolysis gasifying device, the method regasified by first pyrolysis afterfire produces gasification gas, thus provides a kind of solid-fuelled multistage pyrolysis gasifying device and using method thereof.Make the gasification gas produced purer, and without any pollution.
Background technology
Low-rank coal, mud, the solid fuel of plastic waste or domestic waste equistability difference is difficult to be used as large-scale industrial gasification raw material, substantially can only be used for the power fuel in partial area.And above-mentioned solid fuel is gasified to produce gasification gas be improve the important method of its stability, meanwhile, also can make up the breach of part oil-gas resource, thus promote China's expanding economy.
Also many to above-mentioned solid-fuelled pyrolytic gasification research both at home and abroad, but up to the present, described pyrolysis gasifying device is still still immature, and be substantially in test or demonstration phase, its Major Difficulties is: the operability in (1) process operation process and stability; (2) cost of technique and throughput; (3) purity of gasification gas is difficult to be guaranteed.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of solid-fuelled multistage pyrolysis gasifying device be provided, can operate continuously and improve efficiency and the purity of solid fuel gasification, without any pollution.
The technical scheme that the present invention adopts for its technical problem of solution is as follows:
A kind of solid-fuelled multistage pyrolysis gasifying device, comprises crusher, vapour generator, the first screw feeder, star-shaped discharge valve, high-temperature gas combustion chamber, oxygen cylinder, the second screw feeder, slag-drip opening and gas-holder;
The import of the first screw feeder is connected with crusher and vapour generator simultaneously, an outlet of the first screw feeder connects the second screw feeder by star-shaped discharge valve, another outlet is connected with an import of high-temperature gas combustion chamber, there are two imports and an outlet in high-temperature gas combustion chamber, another import of high-temperature gas combustion chamber connects oxygen cylinder, the outlet of high-temperature gas combustion chamber is connected with an import of the second screw feeder, second screw feeder has two imports and two outlets, another import of second screw feeder connects the first screw feeder by star-shaped discharge valve, two outlets connect slag-drip opening and gas-holder respectively.
A using method for solid-fuelled multistage pyrolysis gasifying device, comprises following process:
After solid fuel is carried out fragmentation by crusher, pushed ahead by blade in the first screw feeder, the high-temperature steam of vapour generator generation simultaneously passes in the first screw feeder, temperature in first screw feeder controls between 300 DEG C-500 DEG C, solid fuel is made to have enough temperature to carry out pyrolysis, semicoke after pyrolysis enters in the second screw feeder in the right-hand member outlet of the first screw feeder by star-shaped discharge valve, and pyrogenous origin gas enters high-temperature gas combustion chamber, the oxygen that oxygen cylinder provides carries out Thorough combustion with pyrogenous origin gas in high-temperature gas combustion chamber, temperature in high-temperature gas combustion chamber controls more than 1000 DEG C, the gas mixture generated after burning enters the second screw feeder, and in the second screw feeder, gas mixture is carried out hybrid reaction with the semicoke entered by star-shaped discharge valve thus produces gasification gas, last ash is discharged by the slag-drip opening of the second screw feeder, and the gasification gas of generation is collected at the pneumatic outlet gas-holder of the second screw feeder.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, can operate continuously and improve efficiency and the purity of solid fuel gasification, without any pollution.And in process operation process operability and stability higher; The cost of technique and throughput; The purity of gasification gas is relative also higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: crusher 1, vapour generator 2, first screw feeder 3, star-shaped discharge valve 4, high-temperature gas combustion chamber 5, oxygen cylinder 6, second screw feeder 7, slag-drip opening 8, gas-holder 9.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of solid-fuelled multistage pyrolysis gasifying device, comprises crusher 1, vapour generator 2, first screw feeder 3, star-shaped discharge valve 4, high-temperature gas combustion chamber 5, oxygen cylinder 6, second screw feeder 7, slag-drip opening 8 and gas-holder 9.
The import of the first screw feeder 3 is connected with crusher 1 and vapour generator 2 simultaneously, an outlet of the first screw feeder 3 connects the second screw feeder 7 by star-shaped discharge valve 4, another outlet is connected with an import of high-temperature gas combustion chamber 5, there are two imports and an outlet in high-temperature gas combustion chamber 5, another import of high-temperature gas combustion chamber 5 connects oxygen cylinder 6, the outlet of high-temperature gas combustion chamber 5 is connected with an import of the second screw feeder 7, second screw feeder 7 has two imports and two outlets, another import of second screw feeder 7 connects the first screw feeder 3 by star-shaped discharge valve 4, two outlets connect slag-drip opening 8 and gas-holder 9 respectively.
Working process of the present invention is as follows:
During use, after solid fuel is carried out fragmentation by crusher 1, pushed ahead by blade in the first screw feeder 3, simultaneously vapour generator 2 produces high-temperature steam and passes in the first screw feeder 3, temperature in first screw feeder 3 controls between 300 DEG C-500 DEG C, solid fuel is made to have enough temperature to carry out pyrolysis, semicoke after pyrolysis enters in the second screw feeder 7 in the right-hand member outlet of the first screw feeder 3 by star-shaped discharge valve 4, and pyrogenous origin gas enters high-temperature gas combustion chamber 5, the oxygen that oxygen cylinder 6 provides carries out Thorough combustion with pyrogenous origin gas in high-temperature gas combustion chamber 5, temperature in high-temperature gas combustion chamber 5 controls more than 1000 DEG C, the gas mixture generated after burning enters the second screw feeder 7, and in the second screw feeder 7, gas mixture is carried out hybrid reaction with the semicoke entered by star-shaped discharge valve 4 thus produces gasification gas, last ash is discharged by the slag-drip opening 8 of the second screw feeder 7, and the gasification gas of generation is collected at the pneumatic outlet gas-holder 9 of the second screw feeder 7.
Embodiment:
The component table of gasification gas of table 1 for preparing for raw material with Inner Mongol brown coal, can see, in the gasification gas of generation except CO2 is non-combustible gas and do not pollute environment, remaining gas is the H of high-quality 2, CH 4, CO.
Table 1
Gas H 2 CH 4 CO CO 2
Per-cent (%) 43.85 15.88 39.04 1.23

Claims (2)

1. a solid-fuelled multistage pyrolysis gasifying device, is characterized in that comprising crusher, vapour generator, the first screw feeder, star-shaped discharge valve, high-temperature gas combustion chamber, oxygen cylinder, the second screw feeder, slag-drip opening and gas-holder;
The import of the first screw feeder is connected with crusher and vapour generator simultaneously, an outlet of the first screw feeder connects the second screw feeder by star-shaped discharge valve, another outlet is connected with an import of high-temperature gas combustion chamber, there are two imports and an outlet in high-temperature gas combustion chamber, another import of high-temperature gas combustion chamber connects oxygen cylinder, the outlet of high-temperature gas combustion chamber is connected with an import of the second screw feeder, second screw feeder has two imports and two outlets, another import of second screw feeder connects the first screw feeder by star-shaped discharge valve, two outlets connect slag-drip opening and gas-holder respectively.
2. the using method of a kind of solid-fuelled multistage pyrolysis gasifying device as claimed in claim 1, is characterized in that comprising following process:
After solid fuel is carried out fragmentation by crusher, pushed ahead by blade in the first screw feeder, the high-temperature steam of vapour generator generation simultaneously passes in the first screw feeder, temperature in first screw feeder controls between 300 DEG C-500 DEG C, solid fuel is made to have enough temperature to carry out pyrolysis, semicoke after pyrolysis enters in the second screw feeder in the right-hand member outlet of the first screw feeder by star-shaped discharge valve, and pyrogenous origin gas enters high-temperature gas combustion chamber, the oxygen that oxygen cylinder provides carries out Thorough combustion with pyrogenous origin gas in high-temperature gas combustion chamber, temperature in high-temperature gas combustion chamber controls more than 1000 DEG C, the gas mixture generated after burning enters the second screw feeder, and in the second screw feeder, gas mixture is carried out hybrid reaction with the semicoke entered by star-shaped discharge valve thus produces gasification gas, last ash is discharged by the slag-drip opening of the second screw feeder, and the gasification gas of generation is collected at the pneumatic outlet gas-holder of the second screw feeder.
CN201510894537.1A 2015-12-07 2015-12-07 Multi-graded pyrolysis and gasification device of solid fuel and application method of multi-graded pyrolysis and gasification device Pending CN105505477A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107345166A (en) * 2017-08-31 2017-11-14 北京神雾电力科技有限公司 Pyrolytic gasification reactor
CN107903948A (en) * 2017-12-20 2018-04-13 常州至拓新能源开发有限公司 A kind of segmented pyrolysis gasifying device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008038385A1 (en) * 2008-08-19 2010-02-25 Brück, Alexandra Organic material conversion method for hybrid system at pyrolysis plant, involves converting organic material into combustible fuel and gases in two spatial or temporally separated manner through pyrolysis of carbon monoxide and hydrogen
CN102676236A (en) * 2012-05-25 2012-09-19 济南宝华新能源技术有限公司 Method and device for three-stage separating biomass gasification
CN202610180U (en) * 2012-05-29 2012-12-19 东南大学 Device for extracting biological oil from biomass
CN104087340A (en) * 2014-06-06 2014-10-08 同济大学 Waste pyrolysis system with adjustable oil, gas and carbon and method
CN204417437U (en) * 2015-01-12 2015-06-24 南京师范大学 A kind of novel biomass substep gasification installation
CN104789270A (en) * 2015-01-16 2015-07-22 胜利油田胜利动力机械集团有限公司 Biomass two-section type dry distillation gasification process and device
CN204727845U (en) * 2015-06-02 2015-10-28 华中农业大学 A kind of Multifunction sectional type biomass pyrolysis device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008038385A1 (en) * 2008-08-19 2010-02-25 Brück, Alexandra Organic material conversion method for hybrid system at pyrolysis plant, involves converting organic material into combustible fuel and gases in two spatial or temporally separated manner through pyrolysis of carbon monoxide and hydrogen
CN102676236A (en) * 2012-05-25 2012-09-19 济南宝华新能源技术有限公司 Method and device for three-stage separating biomass gasification
CN202610180U (en) * 2012-05-29 2012-12-19 东南大学 Device for extracting biological oil from biomass
CN104087340A (en) * 2014-06-06 2014-10-08 同济大学 Waste pyrolysis system with adjustable oil, gas and carbon and method
CN204417437U (en) * 2015-01-12 2015-06-24 南京师范大学 A kind of novel biomass substep gasification installation
CN104789270A (en) * 2015-01-16 2015-07-22 胜利油田胜利动力机械集团有限公司 Biomass two-section type dry distillation gasification process and device
CN204727845U (en) * 2015-06-02 2015-10-28 华中农业大学 A kind of Multifunction sectional type biomass pyrolysis device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107345166A (en) * 2017-08-31 2017-11-14 北京神雾电力科技有限公司 Pyrolytic gasification reactor
CN107903948A (en) * 2017-12-20 2018-04-13 常州至拓新能源开发有限公司 A kind of segmented pyrolysis gasifying device

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Application publication date: 20160420