CN107541301A - A kind of biomass fermentation galvanic process of scale - Google Patents
A kind of biomass fermentation galvanic process of scale Download PDFInfo
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- CN107541301A CN107541301A CN201710919411.4A CN201710919411A CN107541301A CN 107541301 A CN107541301 A CN 107541301A CN 201710919411 A CN201710919411 A CN 201710919411A CN 107541301 A CN107541301 A CN 107541301A
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- biomass
- gasification
- galvanic process
- combustion
- gasification tank
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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
Abstract
The present invention relates to a kind of biomass fermentation galvanic process of scale, comprise the following steps：Biomass adds biomass gasifying furnace, it is relatively independent space that the stove maximum feature, which is to provide the combustion chamber of heat and gasification tank, and the heat of combustion chamber is to be transmitted to gasification tank by partition wall by working process after stacking field and stacking by charging apparatus.After biomass is completed to be pyrolyzed and gasified in gasification tank, combustion gas enters combustion chambers burn, and caused high-temperature flue gas produces steam by waste heat boiler, generated electricity after steam drive steam turbine.With existing biomass power generation technics comparing, the present invention has the remarkable advantages such as adaptability to raw material is wide, treating capacity is big, environmental protection is good, the low and cost of investment is low.
Description
Technical field
The present invention relates to the technical field of biomass, and in particular to a kind of biomass fermentation galvanic process, it is therefore intended that utilizes life
Final realize of pyrolysis and gasification of material generates electricity.
Background technology
Biomass refers to cut with life by photosynthesis and caused various organisms, i.e., one using big gas and water, soil etc.
The organic substance that can be grown of life is commonly referred to as biomass, including all plants, microorganism and using plant, microorganism to eat
The animal of thing and its discarded object of production, such as crops, agricultural waste material, timber, timber waste, animal wastes, life
Rubbish, sanitary sewage etc., representational biomass have various stalks, timber, rice husk, peanut shell, corncob, marine alga, bagasse,
Straw, weeds, excrement and various organic domestic wastes, building waste or industrial refuse etc..
The main feature of biomass has：Recyclability, low stain, total amount very abundant, distribution are very extensive.Biomass
Sulfur content, nitrogen content is low, the SO that is generated in combustion process2、NOXIt is few, when biomass is as fuel, because it is needed in growth
The CO wanted2The CO discharged equivalent to it2Amount, thus to the CO of air2Net discharge capacity is similar to zero.The total amount of biomass fuel
Very abundant, biomass energy are world's fourth largest energies, are only second to coal, oil and natural gas.Estimated according to biologist, generation
The biomass year output grown every year in boundary is hundred million tons of 1400-1800, equivalent to 10 times of world's total energy consumption.With agriculture and forestry
Development, particularly charcoal firewood woods popularization, biomass resource will be more and more, and the proportion of biomass energy will be increasing.
At present, U.S.'s biomass energy accounts for the 4% of total energy consumption, and planning the year two thousand twenty will be up to 12%；European biomass accounts for
The 2% of total energy consumption figure, planning the year two thousand twenty biomass fuel substitute 20% fossil fuel；Japanese biomass accounts for total energy
The 0.9% of consumption figure, plan the year two thousand twenty up to 12%；Chinese Academy of Engineering predicts China rural area commercialization biomass energy, by accounting at present
The 0.2% of rural energy brings up to the 12.6% of the year two thousand twenty.
China possesses abundant biomass resource, and annual stalk annual production is up to 700,000,000 tons, in addition also 1.2 hundred million tons of rice
Shell, bagasse, peanut shell etc., plus excrement and domestic organic garbage, the annual biomass resource in China reach 700,000,000 tons mark coals with
On.
The high-new switch technology of biomass energy can not only greatly speed up villages and small towns resident and realize energy modernization, full
Active demand after sufficient peasant's affluence to high-grade energy, while can be also applied in the production fields such as township enterprise.Due to
China is very large in area and thickly populated, and conventional energy resource can not possibly meet the needs of vast rural area is growing, and the biomass such as stalk is direct
Atmospheric environment problem getting worse caused by burning.Therefore, based on the existing biomass resource in rural area, new conversion skill is studied
Art, develop New Equipments, be both rural development there is an urgent need to, be again China reduce discharge, environmental protection, implementation sustainable development
The needs of exhibition.
At present, China's biomass power generation is divided into the direct combustion power generation of biomass and gasification of biomass after-combustion generates electricity two kinds.
The direct combustion power generation technique of biomass be directly burnt by the biomass of boiler produce high-temperature flue gas after produce steam, pass through steaming
Vapour driving steam turbine is divided into fixed bed or fluid bed so as to drive electrical power generators, according to combustion system.Biomass is direct at present
The major defect of combustion power generation technique is：Generating small scale (50,000 KW of maximum), unit generation investment are high.
Biomass Gasification ＆ Power Generation technique is first by gasification of biomass, and the combustion gas after gasification is needed by complicated purifier
Afterwards, gas turbine power generation is passed through.The major defect of Biomass Gasification ＆ Power Generation technique is at present：In combustion gas tar content it is exceeded,
Generating scale too small (maximum 5000KW), production cost are high.
The content of the invention
The goal of the invention of the present invention is, there is provided a kind of biomass fermentation galvanic process of scale, its process characteristic is first
Biomass is pyrolyzed and gasified in gasification furnace, the combustion gas of production is also all burnt in gasification furnace, the high temperature cigarette for production of burning
Gas obtains steam by waste heat boiler, by being generated electricity after steam drive steam turbine.With existing biomass power generation technics comparing, the present invention
With adaptability to raw material is wide, treating capacity is big, environmental protection is good, the remarkable advantage such as low of investing low and cost.
In order to realize above technique effect, the invention provides a kind of biomass fermentation galvanic process of scale, specifically include
Following steps：
(1) biomass is transported to stockyard, after completing biomass processes, the furnace roof of gasification furnace is transported to by conveying arrangement, by filling
Material facility is fitted into the gasification tank of gasification furnace；
(2) heat caused by the combustion chambers burn in gasification furnace is transmitted to gasification tank by partition wall, and the temperature in combustion chamber is
900-1300 DEG C, the temperature in gasification tank is 800-1200 DEG C；
(3) water vapour is sprayed into gasification tank, biomass is finally fully completed gasification in gasification tank, produced in gasification tank
Combustion gas enter combustion chambers burn, high-temperature flue gas caused by burning from gasification furnace enter waste heat boiler production steam, steam drive
Generated electricity after dynamic steam turbine；
(4) after the flue gas by waste heat boiler discharge is by purifier, smoke stack emission is sent into air by air-introduced machine；
(5) from combustion chamber discharge ashes by being discharged after water cooling plant, ashes can be recycled as agricultural fertilizer
Utilize.
The biomass is all lived organic substances that can be regenerated, and specifically includes various organically agriculture rubbish
Rubbish, forestry rubbish, house refuse, the one or more of building waste or industrial refuse.
The biomass processes are the shearing, crush of biomass, the one or more of briquetting or drying.
The combustion chamber is preheated with combustion air by the heat exchanger after waste heat boiler or waste heat boiler.
The partition wall is built by laying bricks or stones and formed by the high-temperature refractory of high heat conduction, anti-oxidant, anti-reduction, resistance to thermal shock.
The water vapour derives from waste heat boiler or water cooling plant.
The purifier is the one or more of cyclone dust collectors, gravitational precipitator or sack cleaner.
The water cooling plant is one-level water cooling plant or two-stage water cooling plant.
The technical solution adopted in the present invention has used biomass gasifying furnace 3 as shown in Figure 2, and shown gasification furnace 3 is real
A device therefor is applied, is mainly formed by gasification tank 5 and the modular combination of combustion chamber 4.Biomass material is filled by feed bin 1 and charging
Put in 2 loading gasification tanks 5, multiple gasification tanks 5 are arranged in a very big combustion chamber 4, each gasification tank 5 and combustion chamber 4 it
Between be provided with heat transfer partition wall 7.The heat required for gasification tank 5 is produced by the combustion gas of burner 6 in combustion chamber 4, heat leads to
Cross partition wall 7 to be transmitted in each gasification tank 5, gasification tank 5 is passed through water vapour by water vapour pipeline 12 and carries out gasification of biomass, gasification
Caused combustion gas is burnt into combustion chamber 4, and high-temperature flue gas caused by burning enters the production of waste heat boiler 14 by flue tube 13 and steamed
Vapour, steam drive generator 16 by steam turbine 15, are generated electricity so as to realize.Ashes caused by combustion chamber pass through the He of one-level water cooling 8
After discharge device 9, further cool down in two-stage water-cooling 10, discharged finally by discharge device 11.
Implement a kind of electrification technique of biomass of the present invention, have the advantages that：
1) adaptability to raw material is fine：The present invention adapts to the gasification of various biomass, the various biologies that adaptability varies
The processing of matter, and it is very loose in the size of raw material, and this adaptability is much better than existing various biomass generators；
2) accomplish scale production：The quantity of gasification tank can need to carry out modular combination according to user in the present invention,
To realize different generated energy targets, also to realize that 100,000 more than KW generating creates condition；
3) environment protecting is fine：The combustion gas of the present invention is fully burned in gasification furnace, does not have tar completely so
Deng secondary pollution the problem of, therefore the present invention environment protecting it is fine；
4) biomass fuel gas calorific value is high：The present invention is in gasification tank without addition air, oxygen, nitrogen so that final
The calorific value of the biological fuel gas arrived is high, is advantageous to generate electricity；
5) Btu utilization is fine：The various heats of the present invention can be utilized well, and discharge flue-gas temperature is low, heat
Lose small, integrated heat efficiency height；
6) production cost is relatively low：The heat that gasification of biomass of the present invention needs comes from self-produced biological fuel gas, original combustion
Expect that adaptability is good, standby redundancy and maintenance are few, and these all make it that total production cost is competitive；
7) automaticity is high：The present invention realizes gasification of biomass continuous duty degree, and automaticity is high, to generate electricity
Create good condition.
Brief description of the drawings
Fig. 1 is the process flow diagram of biomass power generation of the present invention；
Fig. 2 is the schematic device of biomass power generation of the present invention.
Embodiment
In order that technical solution of the present invention is easier to understand, in conjunction with accompanying drawing by the way of specific embodiment, to this hair
Clear, complete description that bright technical scheme is carried out.It should be noted that the part that embodiment described herein is only the present invention is implemented
Example, and whole implementations of non-invention, the embodiment only have exemplary, and its effect is only to carry for auditor and the public
The mode more simple and clear for understanding present invention, rather than the limitation to technical scheme of the present invention.Do not departing from
On the premise of present inventive concept, all those of ordinary skill in the art do not make creative work with regard to thinkable other implementations
Mode, and it is other to the simple replacement of technical solution of the present invention and various change, belong to protection scope of the present invention.
Embodiment 1
As shown in figure 1, the invention provides a kind of biomass fermentation galvanic process of scale, its elementary production steps includes：
1) various stalks (including maize straw, broomcorn straw etc.) are transported to stockyard and are classified and stored, and complete shearing (most
Long size Control is within 100mm) and drying and processing after, the furnace roof of gasification furnace is transported to by hopper, is initially charged with feeding chamber, is passed through
Feeding device loads the gasification tank of gasification furnace；
2) size of gasification tank is width 630mm, length 1600mm, height 8000mm tank body, can accommodate stalk about
800kg, each tank hour handle stalk weight about 400kg, a tank 1 year treating capacity about 3360t, 50 tanks biology of 1 year
Matter treating capacity reaches 16.8 ten thousand tons；
3) heat caused by burning is transmitted to gasification tank by partition wall in the combustion chamber in gasification furnace, and the temperature of combustion chamber is
1150 DEG C, the temperature of gasification tank is 1000 DEG C；
5) water vapour is passed through in gasification tank, for water vapour as gasifying agent, stalk completes gasification, production in gasification and pyrolysis tank
Raw combustion gas enters combustion chamber, and all burning produces high-temperature flue gas；
4) behind high-temperature flue gas discharge combustion chamber caused by combustion chamber, steam is produced by waste heat boiler, steam passes through steamer
Electrical power generators are driven after machine, annual generated energy (KW of installed capacity 20,000) can reach about 1.6 hundred million degree of electricity；
7) the annual about 5000t of the biomass ashes of combustion chamber discharge, can be used as good agricultural fertilizer.
Present invention process has further the advantage that：
1) technique can handle high heating value (21MJ/Nm3) biomass material, low heat value (12MJ/ can also be handled
Nm3) biomass material, the technique is very strong to the adaptability of raw material；
2) all very fully, energy waste is seldom, and resource is all recycled for the using energy source of the technique；
3) in the technique quantity of gasification tank or size can be adjusted as requested with modular combination, so as to
Realize the production of scale；
4) biological fuel gas of the technique productions can mitigate environmental pressure, simultaneously using Substitute coal as the fuel to generate electricity
Solves the power supply problem of remote districts.
Embodiment 2
As shown in figure 1, present invention also offers a kind of biomass fermentation galvanic process of scale, its elementary production steps bag
Include：
1) various timber (including willow, pine etc.) are transported to stockyard and are classified and stored, and complete shearing, broken (maximum
Size Control is within 100x100x100mm) and the processing such as drying after, the furnace roof of gasification and pyrolysis stove is transported to by conveying arrangement,
Feeding chamber is initially charged with, the gasification and pyrolysis tank of gasification and pyrolysis stove is loaded by feeding device；
2) size of gasification and pyrolysis tank is width 630mm, length 1600mm, height 8000mm tank body, can accommodate wooden unit
About 1600kg, each tank hour handle wooden unit weight about 800kg, 1 year treating capacity of a tank about 6720t, 208 tanks 1 year
Biomass processes amount at least reaches 1,400,000 tons；
3) heat caused by burning is transmitted to gasification tank by partition wall in the combustion chamber in gasification furnace, and the temperature of combustion chamber is
1150 DEG C, the temperature of gasification tank is 1000 DEG C；
5) water vapour is passed through in gasification tank, for water vapour as gasifying agent, stalk completes gasification, production in gasification and pyrolysis tank
Raw combustion gas enters combustion chamber, and all burning produces high-temperature flue gas；
4) behind high-temperature flue gas discharge combustion chamber caused by combustion chamber, steam is produced by waste heat boiler, steam passes through steamer
Electrical power generators are driven after machine, annual generated energy (KW of installed capacity 200,000) can reach about 1,600,000,000 degree of electricity；
7) the biomass ashes of combustion chamber discharge are annual about 4.2 ten thousand tons, can be used as good agricultural fertilizer.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific reality
Mode is applied, above-mentioned embodiment is only schematical, rather than restricted, and one of ordinary skill in the art exists
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, many shapes can be also made
Formula, these are belonged within the protection of the present invention.
Claims (8)
1. the biomass fermentation galvanic process of a kind of scale, it is characterised in that specifically include following steps：
(1) biomass is transported to stockyard, after completing biomass processes, the furnace roof of gasification furnace is transported to by conveying arrangement, is set by charging
Apply and be fitted into the gasification tank of gasification furnace；
(2) heat caused by the combustion chambers burn in gasification furnace is transmitted to gasification tank by partition wall, and the temperature in combustion chamber is 900-
1300 DEG C, the temperature in gasification tank is 800-1200 DEG C；
(3) water vapour is sprayed into gasification tank, biomass is finally fully completed gasification in gasification tank, caused combustion in gasification tank
Gas enters combustion chambers burn, and high-temperature flue gas caused by burning enters waste heat boiler production steam, steam drive vapour from gasification furnace
Generated electricity after turbine；
(4) after the flue gas by waste heat boiler discharge is by purifier, smoke stack emission is sent into air by air-introduced machine；
(5) from combustion chamber discharge ashes by being discharged after water cooling plant, ashes can be recycled utilization as agricultural fertilizer.
2. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that biomass in the step (1)
For all lived organic substances that can be regenerated, various organically agricultural waste, forestry rubbish, life rubbish are specifically included
The one or more of rubbish, building waste or industrial refuse.
3. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that biomass in the step (1)
Handle as the shearing of biomass, crush, the one or more of briquetting or drying.
4. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that combustion chamber in the step (2)
Combustion air is preheated by the heat exchanger after waste heat boiler or waste heat boiler.
5. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that step (2) mid-board is
Built by laying bricks or stones and formed by the high-temperature refractory of high heat conduction, anti-oxidant, anti-reduction, resistance to thermal shock.
6. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that water vapour in the step (3)
From waste heat boiler or water cooling plant.
7. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that purification dress in the step (4)
It is set to the one or more of cyclone dust collectors, gravitational precipitator or sack cleaner.
8. the biomass fermentation galvanic process of scale according to claim 1, it is characterised in that step (5) the reclaimed water cold charge
It is set to one-level water cooling plant or two-stage water cooling plant.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171874A (en) * | 2020-03-05 | 2020-05-19 | 江西昌昱实业有限公司 | Process for preparing synthetic gas or fuel gas by moving bed pure oxygen continuous gasification furnace for cow dung raw material |
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| CN101541926A (en) * | 2006-10-23 | 2009-09-23 | 学校法人长崎综合科学大学 | Biomass gasification apparatus |
| CN103074117A (en) * | 2013-01-09 | 2013-05-01 | 合肥德博生物能源科技有限公司 | Biomass gasification mixed-combustion system of coal-fired power station boiler |
| CN106244246A (en) * | 2016-08-25 | 2016-12-21 | 武汉高斯生态能源技术有限公司 | Biomass Gasification & Power Generation technique |
| CN206033689U (en) * | 2016-08-30 | 2017-03-22 | 曾宪丰 | Water coal powder gasifier |
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2017
- 2017-09-30 CN CN201710919411.4A patent/CN107541301A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541926A (en) * | 2006-10-23 | 2009-09-23 | 学校法人长崎综合科学大学 | Biomass gasification apparatus |
| CN103074117A (en) * | 2013-01-09 | 2013-05-01 | 合肥德博生物能源科技有限公司 | Biomass gasification mixed-combustion system of coal-fired power station boiler |
| CN106244246A (en) * | 2016-08-25 | 2016-12-21 | 武汉高斯生态能源技术有限公司 | Biomass Gasification & Power Generation technique |
| CN206033689U (en) * | 2016-08-30 | 2017-03-22 | 曾宪丰 | Water coal powder gasifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171874A (en) * | 2020-03-05 | 2020-05-19 | 江西昌昱实业有限公司 | Process for preparing synthetic gas or fuel gas by moving bed pure oxygen continuous gasification furnace for cow dung raw material |
| CN111171874B (en) * | 2020-03-05 | 2021-07-09 | 梵境新能源科技(浙江)有限公司 | Process for preparing synthetic gas or fuel gas by moving bed pure oxygen continuous gasification furnace for cow dung raw material |
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Application publication date: 20180105 |