CN101158312A - Power generation method using biomass - Google Patents

Power generation method using biomass Download PDF

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Publication number
CN101158312A
CN101158312A CNA2007101512030A CN200710151203A CN101158312A CN 101158312 A CN101158312 A CN 101158312A CN A2007101512030 A CNA2007101512030 A CN A2007101512030A CN 200710151203 A CN200710151203 A CN 200710151203A CN 101158312 A CN101158312 A CN 101158312A
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CN
China
Prior art keywords
gas
gasification
biomass
living beings
power generation
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Pending
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CNA2007101512030A
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Chinese (zh)
Inventor
王良
张继勇
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WUHAN LIREN INVESTMENT CO Ltd
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WUHAN LIREN INVESTMENT CO Ltd
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Priority to CNA2007101512030A priority Critical patent/CN101158312A/en
Publication of CN101158312A publication Critical patent/CN101158312A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Abstract

The invention relates to a method for generation by a biomass. The method utilizes the gasification technology, which converts the forestry and agricultural residues comprising wasted straws, sawdust, haulms, rice husks, bagasse, etc. into the flammable gas approaching the coal gas; after the dust and the tar of the flammable gas is removed by a purifier, the flammable gas is conveyed in a gas internal combustion engine or a gas turbine for generation. The invention has strong raw material adaptability, can dispose the biomass raw material of different types, and has the advantages of large production intensity, high gas heat value, little tar content, high gasification efficiency, strong load adaptability, easy start and stop, large adjustable range, stable operation, extremely high flexibility in scale. Furthermore, the generation scale depends on the quantity of the raw material and the requirement of the power, and can be designed and matched according to the requirement of the user.

Description

Utilize the method for biomass power generation
Technical field
The present invention is a kind of method of utilizing biomass power generation.
Background technique
Along with the continuous progress and the development of society, a large amount of uses of conventional fossil energy have brought serious day by day energy crisis and environmental pollution.How finding the discharging that substitutes conventional fossil energy and reduce various harmful wastes is the difficult problem that very urgently will solve now.Various living beings (comprising agriculture and forestry organic waste material and trade waste) are the reproducible energy of a kind of cleaning, utilize these living beings to generate electricity, and are the effective ways that solves an above-mentioned difficult problem.Use the mode of biomass power generation mainly based on direct burning at present, the mode of this direct burning, similar to traditional coal-burning power plant, its minimum installation scale is 24MW, demand to raw material is very big, be to satisfy the demand of power plant to raw material in certain collection transportation radius, main is that directly burning still brings great pollution to environment.
Summary of the invention
The objective of the invention is in order to overcome the defective that direct biomass burning generates electricity, invent a kind of various biomass materials are collected pretreatment after, in gasification oven, gasify the method for utilizing the inflammable gas that produces to generate electricity.
The objective of the invention is to realize as follows: the described method of utilizing biomass power generation comprises living beings gasification, gas purification, gas internal-combustion engine or gas turbine power generation, UTILIZATION OF VESIDUAL HEAT IN four parts:
One. the living beings gasification comprises feedworks and gasification installation:
Feedworks adopts screw feeder, power equipment is an electromagnetic adjustable speed motor, screw feeder both had been convenient to evenly charging continuously, can effectively gasification oven be sealed with outside completely cutting off again, make the gasification required air only enter gasification oven by the control of air intake machine, electromagnetic adjustable speed motor then can be regulated the living beings inlet amount arbitrarily;
Gasification installation can adopt the gasification oven of circle fluidized-bed gasification furnace or other continuously-runnings, it mainly is made of air intake machine, gasification oven and deslagging spiral, living beings generate inflammable gas through high temperature pyrolysis and gasification in gasification oven, the remaining ash in gasification back is then in time discharged out of the furnace by the deslagging spiral.
Two. gas purification
Gas needs just can be used for generating after purified treatment, gas-purification comprises dedusting, ash disposal and removes tar, multistage dedusting technology is adopted in gas purification: as inertial dust separator, cyclone separator, venturi scrubber, electric precipitation, through multistage dedusting, solid particle in the combustion gas and fine dust are cleaned totally substantially; Tar in the combustion gas adopts the way of absorption and washing to remove, and capital equipment is two spray aeration towers that are together in series.
Three. electricity generating device
Combustion gas internal combustion engine generator group or gas turbine are adopted in generating, and generator system can be made up of separate unit or many unit parallel connections according to the material quantity in the certain limit.
Four. residual heat using device
No matter be gas internal-combustion engine, or gas turbine, generating back discharge tail gas temperature is all between 500-600 ℃, if power generating equipment band air increases the gas pressurization system, the tail gas temperature all generally between 450-500 ℃, contains a large amount of callable energy, so increase waste heat recovering device behind fuel gas generation equipment in the tail gas, as exhaust heat boiler etc., can improve system effectiveness; In the living beings gasification power generation system, except power generating equipment tail gas has a large amount of waste heats, the fuel gas temperature of biomass gasifying furnace outlet is also very high, reach about 700-800 ℃, so the waste heat of this part gasification sensible heat and fuel gas generation equipment is combined, utilize exhaust heat boiler and superheater to produce steam, utilize steam turbine to generate electricity again.
Good effect of the present invention is as follows: adaptability to raw material of the present invention is strong, can handle different types of biomass material; Production intensity is big, the gas heating value height, and tar content is less, the gasification efficiency height; Load performance is strong, starts to stop easily, and regulation range is big, operates steadily; Have very high flexibility on the scale, the generating scale is decided by raw material quantity, need for electricity, can design according to user's needs and mate.
Description of drawings
Fig. 1 is a process flow diagram of the present invention
Embodiment
As shown in Figure 1, utilize gasification technology, agriculture and forestry organic waste material, comprise that useless stalk, wood chip, straw, rice husk, sugarcane bagasse etc. are converted to inflammable gas near coal gas by gasification installation, these combustible gas Main Ingredients and Appearances are CO, H 2, CH 4, CO 2Deng, calorific value is at 1250kcal/m 3About, contain a spot of tar simultaneously, after these combustible gases remove dust and tar through gas cleaning plant, deliver in gas internal-combustion engine or the gas turbine again and generate electricity, the high-temperature tail gas that internal-combustion engine or gas turbine are discharged further is used for heating exhaust heat boiler and produces steam electric power by steam turbine.

Claims (1)

1. method of utilizing biomass power generation, it is characterized in that: the described method of utilizing biomass power generation comprises living beings gasification, gas purification, gas internal-combustion engine or gas turbine power generation, UTILIZATION OF VESIDUAL HEAT IN four parts:
One. the living beings gasification comprises feedworks and gasification installation:
Feedworks adopts screw feeder, power equipment is an electromagnetic adjustable speed motor, screw feeder both had been convenient to evenly charging continuously, can effectively gasification oven be sealed with outside completely cutting off again, make the gasification required air only enter gasification oven by the control of air intake machine, electromagnetic adjustable speed motor then can be regulated the living beings inlet amount arbitrarily;
Gasification installation can adopt the gasification oven of circle fluidized-bed gasification furnace or other continuously-runnings, it mainly is made of air intake machine, gasification oven and deslagging spiral, living beings generate inflammable gas through high temperature pyrolysis and gasification in gasification oven, the remaining ash in gasification back is then in time discharged out of the furnace by the deslagging spiral;
Two. gas purification
Gas needs just can be used for generating after purified treatment, gas-purification comprises dedusting, ash disposal and removes tar, multistage dedusting technology is adopted in gas purification: as inertial dust separator, cyclone separator, venturi scrubber, electric precipitation, through multistage dedusting, solid particle in the combustion gas and fine dust are cleaned totally substantially; Tar in the combustion gas adopts the way of absorption and washing to remove, and capital equipment is two spray aeration towers that are together in series;
Three. electricity generating device
Combustion gas internal combustion engine generator group or gas turbine are adopted in generating, and generator system can be formed by many units are in parallel according to the material quantity in the certain limit;
Four. residual heat using device
No matter be gas internal-combustion engine, or gas turbine, generating back discharge tail gas temperature is all between 500-600 ℃, if power generating equipment band air increases the gas pressurization system, the tail gas temperature all generally between 450-500 ℃, contains a large amount of callable energy, so increase waste heat recovering device behind fuel gas generation equipment in the tail gas, as exhaust heat boiler etc., can improve system effectiveness; In the living beings gasification power generation system, except power generating equipment tail gas has a large amount of waste heats, the fuel gas temperature of biomass gasifying furnace outlet is also very high, reach about 700-800 ℃, so the waste heat of this part gasification sensible heat and fuel gas generation equipment is combined, utilize exhaust heat boiler and superheater to produce steam, utilize steam turbine to generate electricity again.
CNA2007101512030A 2007-09-14 2007-09-14 Power generation method using biomass Pending CN101158312A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101798953A (en) * 2010-03-12 2010-08-11 华北电力大学 Medium-low pluripotential complementary methane generating system
CN101876430A (en) * 2010-06-03 2010-11-03 周振华 Chinese silvergrass biomass generation method
CN101927123A (en) * 2009-06-22 2010-12-29 柯荣义 Recycling device for biomass combustion tail gas
CN101974351A (en) * 2010-08-09 2011-02-16 高邮市林源科技开发有限公司 Scale fixed bed biomass gasification power generation production technology and complete equipment
CN102010757A (en) * 2010-11-15 2011-04-13 华北电力大学（保定） Method for generating power by gasifying integrated straws in supercritical coal-fired generator set
CN102408917A (en) * 2011-10-11 2012-04-11 华中科技大学 High-density biomass fuel preparing system
CN102417831A (en) * 2011-09-28 2012-04-18 合肥德博生物能源科技有限公司 Biomass gasification generation system
CN102439116A (en) * 2009-05-14 2012-05-02 超技术股份有限公司 A pyrolytic process and apparatus for producing biomass char and energy
CN103013576A (en) * 2012-12-10 2013-04-03 陕西华祥能源科技集团有限公司 IGCC (Integrated Gasification Combined Cycle) poly-generation device and method based on pyrolysis and gasification of low metamorphic powdered coal
CN103881754A (en) * 2014-03-24 2014-06-25 国电长源湖北生物质气化科技有限公司 Efficient biomass gasification and coal-fired power generating boiler combined power generating method
CN104531216A (en) * 2015-01-06 2015-04-22 梁佩贤 Biomass gas electricity generation and combined heat and electricity supply technology
CN104619971A (en) * 2012-12-28 2015-05-13 欧洲涡轮机公司 Method and plant for transferring energy from biomass raw material to at least one energy user
CN104629812A (en) * 2014-12-19 2015-05-20 权秀吉 Waste sorting and power generation tail gas recycling system
CN105273762A (en) * 2015-10-28 2016-01-27 江苏中科重工股份有限公司 Biomass gasification back-heating circulation power generation system
CN105524659A (en) * 2016-01-29 2016-04-27 江苏中科重工股份有限公司 Environment-friendly biomass gasification power generation system
CN106493150A (en) * 2016-10-26 2017-03-15 湖南碧海农业机械科技有限责任公司 The method and apparatus that a kind of power self-support formula Organic residues are recycled
WO2017147810A1 (en) * 2016-03-02 2017-09-08 马骏 Novel power generating system using multiple gas channels for power generation
CN108018057A (en) * 2017-12-26 2018-05-11 济源润万家农业科技有限公司 Biomass carbonization is pyrolyzed power generator
CN108048138A (en) * 2017-12-20 2018-05-18 武汉凯迪工程技术研究总院有限公司 Based on the double-fluidized-bed biomass graded conversion of middle low temperature and coal-burning boiler coupled electricity-generation method and its system
CN109022048A (en) * 2018-08-31 2018-12-18 哈尔滨锅炉厂有限责任公司 Positive pressure fire coal coupled biological matter gasification power generation system and the method for carrying out conversion electric energy
CN109575998A (en) * 2019-01-09 2019-04-05 大连理工大学 A kind of distributed multifunctional organic matter gasification and pyrolysis power supply device and method
CN110184091A (en) * 2019-04-22 2019-08-30 昆明理工大学 A kind of distribution gasification of biomass polygenerations systeme and co-production

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102439116A (en) * 2009-05-14 2012-05-02 超技术股份有限公司 A pyrolytic process and apparatus for producing biomass char and energy
CN101927123B (en) * 2009-06-22 2013-06-19 柯荣义 Recycling device for biomass combustion tail gas
CN101927123A (en) * 2009-06-22 2010-12-29 柯荣义 Recycling device for biomass combustion tail gas
CN101798953A (en) * 2010-03-12 2010-08-11 华北电力大学 Medium-low pluripotential complementary methane generating system
CN101798953B (en) * 2010-03-12 2012-07-04 华北电力大学 Medium-low pluripotential complementary methane generating system
CN101876430A (en) * 2010-06-03 2010-11-03 周振华 Chinese silvergrass biomass generation method
CN101974351A (en) * 2010-08-09 2011-02-16 高邮市林源科技开发有限公司 Scale fixed bed biomass gasification power generation production technology and complete equipment
CN102010757A (en) * 2010-11-15 2011-04-13 华北电力大学（保定） Method for generating power by gasifying integrated straws in supercritical coal-fired generator set
CN102010757B (en) * 2010-11-15 2013-08-07 华北电力大学（保定） Method for generating power by gasifying integrated straws in supercritical coal-fired generator set
CN102417831A (en) * 2011-09-28 2012-04-18 合肥德博生物能源科技有限公司 Biomass gasification generation system
CN102408917A (en) * 2011-10-11 2012-04-11 华中科技大学 High-density biomass fuel preparing system
CN103013576A (en) * 2012-12-10 2013-04-03 陕西华祥能源科技集团有限公司 IGCC (Integrated Gasification Combined Cycle) poly-generation device and method based on pyrolysis and gasification of low metamorphic powdered coal
CN104619971A (en) * 2012-12-28 2015-05-13 欧洲涡轮机公司 Method and plant for transferring energy from biomass raw material to at least one energy user
CN103881754A (en) * 2014-03-24 2014-06-25 国电长源湖北生物质气化科技有限公司 Efficient biomass gasification and coal-fired power generating boiler combined power generating method
CN103881754B (en) * 2014-03-24 2015-09-09 国电长源湖北生物质气化科技有限公司 The efficient combination electricity-generating method of gasifying biomass and coal-fired electric generation furnace
CN104629812A (en) * 2014-12-19 2015-05-20 权秀吉 Waste sorting and power generation tail gas recycling system
CN104531216A (en) * 2015-01-06 2015-04-22 梁佩贤 Biomass gas electricity generation and combined heat and electricity supply technology
CN105273762A (en) * 2015-10-28 2016-01-27 江苏中科重工股份有限公司 Biomass gasification back-heating circulation power generation system
CN105524659A (en) * 2016-01-29 2016-04-27 江苏中科重工股份有限公司 Environment-friendly biomass gasification power generation system
WO2017147810A1 (en) * 2016-03-02 2017-09-08 马骏 Novel power generating system using multiple gas channels for power generation
CN106493150A (en) * 2016-10-26 2017-03-15 湖南碧海农业机械科技有限责任公司 The method and apparatus that a kind of power self-support formula Organic residues are recycled
CN108048138A (en) * 2017-12-20 2018-05-18 武汉凯迪工程技术研究总院有限公司 Based on the double-fluidized-bed biomass graded conversion of middle low temperature and coal-burning boiler coupled electricity-generation method and its system
CN108018057A (en) * 2017-12-26 2018-05-11 济源润万家农业科技有限公司 Biomass carbonization is pyrolyzed power generator
CN109022048A (en) * 2018-08-31 2018-12-18 哈尔滨锅炉厂有限责任公司 Positive pressure fire coal coupled biological matter gasification power generation system and the method for carrying out conversion electric energy
CN109575998A (en) * 2019-01-09 2019-04-05 大连理工大学 A kind of distributed multifunctional organic matter gasification and pyrolysis power supply device and method
CN110184091A (en) * 2019-04-22 2019-08-30 昆明理工大学 A kind of distribution gasification of biomass polygenerations systeme and co-production

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