CN103421680A - System used for producing biogas from renewable energy by multi-energy coupling - Google Patents
System used for producing biogas from renewable energy by multi-energy coupling Download PDFInfo
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- CN103421680A CN103421680A CN2012101662467A CN201210166246A CN103421680A CN 103421680 A CN103421680 A CN 103421680A CN 2012101662467 A CN2012101662467 A CN 2012101662467A CN 201210166246 A CN201210166246 A CN 201210166246A CN 103421680 A CN103421680 A CN 103421680A
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- renewable energy
- energy source
- source producing
- producing methane
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses a system used for producing biogas from renewable energy by multi-energy coupling. The system comprises a solar energy heat power generation system, a biomass raw material pre-treatment system, a biogas fermentation system, a waste-heat utilization system and a fuel auto-control injection system; a heat exchanger (3) of the solar energy heat power generation system is connected to a compressor (1) and a gas turbine (2) respectively; a mixer (12) of the biomass raw material pre-treatment system is connected to an electric generator (7); exhaust generated in the waste-heat utilization system is exhausted via a solar energy collector (4), the gas turbine (2), the heat exchanger (3) and a silencer (6); a fire barrier (16) of the fuel auto-control injection system is connected to a combustion chamber (5); and a temperature indicator is connected to a pipeline arranged between the solar energy collector (4) and the combustion chamber (5).
Description
Technical field
The present invention relates to biomass energy and solar energy composite utilizes system.
Background technology
[0002] fossil energy exhaustion and environment go from bad to worse and become long-term, the great bottleneck of restriction global economy and social development, and will have influence on the mankind's survival condition future.In order to address this problem, want on the one hand Efforts To Develop energy-conservation with energy for science, the development and utilization of renewable energy source must be accelerated in another aspect.Biogas, as a kind of clean, efficient New Regenerated energy, more and more is subject to the extensive concern of countries in the world.But biogas fermentation is limited by temperature condition, when methane-generating pit temperature aerogenesis no longer almost during lower than 10 ℃.At northern China cold district in winter, there is the phenomenon of " half a year use, half a year idle " in methane-generating pit, and methane-generating pit passes the winter on an empty stomach, cause a large amount of methane-generating pits bursting by freezing, scrap, cause huge financial loss.Simultaneously, the biomass pre-treatment is also the important step that affects anaerobic fermentation system steady running, improves factor of created gase and project benefit, and as stalk, pre-treatment is to improve the stalk utilization ratio, strengthens gas production rate, the effective means that shortens start time.
Summary of the invention
The renewable energy source producing methane system that the purpose of this invention is to provide a kind of multipotency coupling.
The present invention is the renewable energy source producing methane system of multipotency coupling, biomass material 9 is by pulverizer 8, transfer roller 10 devices, enter in anaeroic digestor 11, system sprays into system by solar heat power generation system, biomass material pretreatment system, methane fermentation system, bootstrap system and fuel automatic control and forms; Solar heat power generation system is comprised of compressor 1, internal combustion turbine 2, interchanger 3, solar energy collectors 4, combustion chamber 5, generator 7, and interchanger 3 is connected with compressor 1, internal combustion turbine 2 respectively; The biomass material pretreatment system is comprised of generator 7, pulverizer 8, transfer roller 10; Methane fermentation system is comprised of biomass material 9, anaeroic digestor 11, stirrer 12, and stirrer 12 is connected with generator 7; Bootstrap system is comprised of solar energy collectors 4, internal combustion turbine 2, interchanger 3, sourdine 6, and weary gas via solar energy collectors 4, internal combustion turbine 2, interchanger 3, sourdine 6 out; The fuel automatic control sprays into system and is comprised of anaeroic digestor 11, refining plant 13, stopping valve 14, buffer tank 15, variable valve 16 and spark arrester 17, spark arrester 16 is connected with combustion chamber 5, and the temperature indication is connected with the pipeline between heat collector 4, combustion chamber 5 with control instruments.
The invention has the beneficial effects as follows, exploitation phosgene internal combustion turbine and solar energy heating are collaborative carries out efficient biomass pre-treatment integrated unit, and sun power is converted into to electric energy by power set, by electric energy conversion, is that mechanical energy is carried out the biomass pre-treatment, make it easy to fermentation, improve factor of created gase.Simultaneously, utilize the waste heat of sun power and internal combustion turbine to maintain the methane-generating pit constant temperature, factor of created gase is significantly improved on the original basis, keep continuously, stablize air feed, provide multiple forms of energy to complement each other to reach, the energy-saving effect of energy synthesis cascade utilization.
The accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention, and Reference numeral and corresponding name are called: compressor 1, internal combustion turbine 2, interchanger 3, solar energy collectors 4, combustion chamber 5, sourdine 6, generator 7, pulverizer 8, biomass material 9, transfer roller 10, anaeroic digestor 11, stirrer 12, refining plant 13, stopping valve 14, buffer tank 15, variable valve 16, spark arrester 17.
Embodiment
As shown in Figure 1, the present invention is the renewable energy source producing methane system of multipotency coupling, biomass material 9 is by pulverizer 8, transfer roller 10 devices, enter in anaeroic digestor 11, system sprays into system by solar heat power generation system, biomass material pretreatment system, methane fermentation system, bootstrap system and fuel automatic control and forms; Solar heat power generation system is comprised of compressor 1, internal combustion turbine 2, interchanger 3, solar energy collectors 4, combustion chamber 5, generator 7, and interchanger 3 is connected with compressor 1, internal combustion turbine 2 respectively; The biomass material pretreatment system is comprised of generator 7, pulverizer 8, transfer roller 10; Methane fermentation system is comprised of biomass material 9, anaeroic digestor 11, stirrer 12, and stirrer 12 is connected with generator 7; Bootstrap system is comprised of solar energy collectors 4, internal combustion turbine 2, interchanger 3, sourdine 6, and weary gas via solar energy collectors 4, internal combustion turbine 2, interchanger 3, sourdine 6 out; The fuel automatic control sprays into system and is comprised of anaeroic digestor 11, refining plant 13, stopping valve 14, buffer tank 15, variable valve 16 and spark arrester 17, spark arrester 16 is connected with combustion chamber 5, and the temperature indication is connected with the pipeline between heat collector 4, combustion chamber 5 with control instruments.
Solar energy collectors 4 are tower structure, or slot type structure, or dish formula structure.
Described biomass material 9 is the straw biological raw material.
Described anaeroic digestor 11 adopts urethane as lagging material, with glass reinforced plastic, thermal insulation layer is carried out to waterproofing protection.
Described interchanger 3 is U-shaped tube heat-exchanger, or finned tube heat exchanger, or plate-type heat exchanger.
Described refining plant 13 is for adopting the refining plant of carbonaceous molecular sieve technique, or the refining plant of employing active carbon absorption technology, or adopts the refining plant of adsorption dry technique.
5 igniting of described combustion chamber adopt some fire-fighting combustion technology, and spark arrester 17 was set before fuel sprays into combustion chamber 5.
Described variable valve 16 is pneumatic adjusting valve.
The present invention utilizes the solar heating air, high temperature air is passed into to internal combustion turbine, then, by the generating of gas turbine drives generator, the electric energy of generation drives pulverizer to carry out the biomass pre-treatment, then be input in methane-generating pit and ferment, the part biogas of generation acts as a fuel and passes in internal combustion turbine.
The present invention adopts the waste heat of sun power and internal combustion turbine to maintain methane-generating pit ferment at constant temperature condition, realizes efficiently, stablizes air feed.
Sun power has intermittent and unstable, and its scope of application is dwindled greatly, but, in this system, the methane content that can purify out by controlling methane-generating pit, spray in internal combustion turbine continuously and stably.When in the winter time or when cloudy day, sun power reduces, and the air themperature that enters internal combustion turbine is lower, sprays into the methane fuel amount and just automatically increases; When in summer or when sunny, sun power increases, and the air themperature that enters internal combustion turbine is higher, sprays into the methane fuel amount and just automatically reduces.The methane automatic control sprays into the exploitation of system, has ensured the stability of whole system, is not subject to external interference, and continuous, stable electric generation, carry out the biomass pre-treatment.
Claims (9)
1. the renewable energy source producing methane system that multipotency is coupled, biomass material (9) is by pulverizer (8), transfer roller (10) device, enter in anaeroic digestor (11), it is characterized in that system sprays into system by solar heat power generation system, biomass material pretreatment system, methane fermentation system, bootstrap system and fuel automatic control and forms; Solar heat power generation system is comprised of compressor (1), internal combustion turbine (2), interchanger (3), solar energy collectors (4), combustion chamber (5), generator (7), and interchanger (3) is connected with compressor (1), internal combustion turbine (2) respectively; The biomass material pretreatment system is comprised of generator (7), pulverizer (8), transfer roller (10); Methane fermentation system is comprised of biomass material (9), anaeroic digestor (11), stirrer (12), and stirrer (12) is connected with generator (7); Bootstrap system is comprised of solar energy collectors (4), internal combustion turbine (2), interchanger (3), sourdine (6), and weary gas via solar energy collectors (4), internal combustion turbine (2), interchanger (3), sourdine (6) out; The fuel automatic control sprays into system and is comprised of anaeroic digestor (11), refining plant (13), stopping valve (14), buffer tank (15), variable valve (16) and spark arrester (17), spark arrester (16) is connected with combustion chamber (5), and the temperature indication is connected with the pipeline between heat collector (4), combustion chamber (5) with control instruments.
2. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described solar energy collectors (4) are tower structure, or slot type structure, or dish formula structure.
3. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described anaeroic digestor (11) is the thermophilic digestion device.
4. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described biomass material (9) is the straw biological raw material.
5. the renewable energy source producing methane system of multipotency coupling according to claim 3, is characterized in that, described anaeroic digestor (11) adopts urethane as lagging material, with glass reinforced plastic, thermal insulation layer is carried out to waterproofing protection.
6. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described interchanger (3) is U-shaped tube heat-exchanger, or finned tube heat exchanger, or plate-type heat exchanger.
7. the renewable energy source producing methane system that multipotency according to claim 1 is coupled, it is characterized in that, described refining plant (13) is for adopting the refining plant of carbonaceous molecular sieve technique, or the refining plant of employing active carbon absorption technology, or adopts the refining plant of adsorption dry technique.
8. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described combustion chamber (5) igniting adopts some fire-fighting combustion technology, sprays into combustion chamber (5) at fuel spark arrester (17) is set before.
9. the renewable energy source producing methane system of multipotency coupling according to claim 1, is characterized in that, described variable valve (16) is pneumatic adjusting valve.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952292A (en) * | 2014-05-21 | 2014-07-30 | 杨合长 | Preparation system of renewable energy sources |
| CN105600751A (en) * | 2015-12-19 | 2016-05-25 | 榆林学院 | Biogas fermentation waste liquid combined meager coal pulping co-gasification system |
| CN107619310A (en) * | 2017-09-08 | 2018-01-23 | 国电龙源电力技术工程有限责任公司 | The system and method that Coastal Power Station warm water discharge recycles |
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| CN101798953A (en) * | 2010-03-12 | 2010-08-11 | 华北电力大学 | Medium-low pluripotential complementary methane generating system |
| CN101994569A (en) * | 2010-09-25 | 2011-03-30 | 河北理工大学 | Distributed energy comprehensive utilization system for biomass energy and solar energy |
| US20110154823A1 (en) * | 2009-12-31 | 2011-06-30 | Energy Spring Tech. Inc. | Energy regeneration system |
| CN202730116U (en) * | 2012-05-26 | 2013-02-13 | 兰州理工大学 | Multi-energy coupling system for producing biogas by renewable energy |
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2012
- 2012-05-26 CN CN2012101662467A patent/CN103421680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110154823A1 (en) * | 2009-12-31 | 2011-06-30 | Energy Spring Tech. Inc. | Energy regeneration system |
| CN101798953A (en) * | 2010-03-12 | 2010-08-11 | 华北电力大学 | Medium-low pluripotential complementary methane generating system |
| CN101994569A (en) * | 2010-09-25 | 2011-03-30 | 河北理工大学 | Distributed energy comprehensive utilization system for biomass energy and solar energy |
| CN202730116U (en) * | 2012-05-26 | 2013-02-13 | 兰州理工大学 | Multi-energy coupling system for producing biogas by renewable energy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952292A (en) * | 2014-05-21 | 2014-07-30 | 杨合长 | Preparation system of renewable energy sources |
| CN105600751A (en) * | 2015-12-19 | 2016-05-25 | 榆林学院 | Biogas fermentation waste liquid combined meager coal pulping co-gasification system |
| CN107619310A (en) * | 2017-09-08 | 2018-01-23 | 国电龙源电力技术工程有限责任公司 | The system and method that Coastal Power Station warm water discharge recycles |
| CN107619310B (en) * | 2017-09-08 | 2023-04-28 | 国能龙源电力技术工程有限责任公司 | System and method for recycling coastal power plant warm water |
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Application publication date: 20131204 |