CN201362716Y - Solar energy temperature raising and heat insulation biogas generating pit - Google Patents
Solar energy temperature raising and heat insulation biogas generating pit Download PDFInfo
- Publication number
- CN201362716Y CN201362716Y CNU2009201266632U CN200920126663U CN201362716Y CN 201362716 Y CN201362716 Y CN 201362716Y CN U2009201266632 U CNU2009201266632 U CN U2009201266632U CN 200920126663 U CN200920126663 U CN 200920126663U CN 201362716 Y CN201362716 Y CN 201362716Y
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- Prior art keywords
- biogas generator
- feed
- generating pit
- solar energy
- temperature raising
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
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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
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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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/59—Biological synthesis; Biological purification
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Abstract
The utility model discloses a solar energy temperature raising and heat insulation biogas generating pit which comprises a soft biogas generator, a solar thermal collector, a circulating pump, a water inlet pipe, a water outlet pipe and a heat exchange pipe; the biogas generator is installed in a pit body with an opening at the upper end, the bottom and the inner surface of the wall of the pool body are both provided with foam thermal insulation materials or straws of rice and wheat, a dual-layer plastic film tunnel is arranged above the pool body, and the tunnel seals the opening of the pool body. By heating fermentation liquid material in the soft biogas generator by using a solar energy thermal collecting system and a hot water circulating system, the fermentation temperature is raised; simultaneously, the dual-layer plastic film tunnel is constructed above the pool where the soft biogas generator is positioned to sufficiently absorb heat of solar energy, thus forming greenhouse effect, playing the role of thermal insulation, and effectively reducing heat loss.
Description
Technical field
The utility model relates to a kind of methane-generating pit, specifically, is a kind of solar temperature raising and maintaining methane-generating pit.
Background technology
Biogas fermentation is that China utilizes biomass energy form the most widely, and the development of marsh gas in rural area construction can be preserved the ecological environment, increases farmers' income, be improved the quality of living.Factor of created gase is than mainly concentrating on cool autumn weather in summer temperature higher season than higher season in the biogas fermentation, can satisfy basically peasant household with can requirement; And in the winter time because ambient air temperature is lower, the factor of created gase of biogas is just lower, especially in the winter time more clammy southwest of weather and cold northern area, aerogenesis or aerogenesis are not high basically for methane-generating pit under this cold condition, can not satisfy the daily usefulness energy demand of peasant household, therefore just seem particularly important for improving methane-generating pit leavening temperature in winter.
Most stalk or the films of adopting of existing methane pool temperature raising and maintaining in winter technical measures cover, or on methane-generating pit, build heliogreenhouse, increase hot raw materials such as cow dung, sheep excrement, increase fermented product concentration etc., heat, the insulation measure is more single, the extensive backwardness of technology, the temperature raising and maintaining effect is undesirable, can not satisfy the winter methane-generating pit and normally move the requirement of aerogenesis.And the cultivation progress of low temperature fermentation inoculum is comparatively slow, and applying also has certain limitation.Also have the scholar from the pool-type structure of methane-generating pit, build pond material and methane-generating pit garden auxiliary facility and set about research and strengthen methane-generating pit self insulated capacity and prolong raw material residence time the pond, improve the factor of created gase in winter with this, but these methods also are confined to strengthen the ability of insulation, and effect is also not ideal under the clammy situation of weather in the winter time.Occurred utilizing sun power to heat the methane-generating pit (as Chinese patent ZL 20082010350.9) that heats for methane-generating pit in recent years, this type of methane-generating pit adopts green energy resource to heat for heating, has obtained obvious effects.Yet heat insulation effect is undesirable, causes the waste of heat.
The utility model content
The utility model is at comparatively clammy because of winter climate in the prior art, lower and the methane-generating pit of temperature lacks that effectively applicable heat preservation technology measure causes that the biogas fermentation feed temperature is lower, factor of created gase descends, aerogenesis instability aerogenesis not even, can not satisfy the problem of the daily gas demand of peasant household, a kind of solar temperature raising and maintaining methane-generating pit that heats with high insulating effect is provided.
In order to address the above problem, solar temperature raising and maintaining methane-generating pit of the present utility model, comprise the software biogas generator, solar energy collector, recycle pump, water inlet pipe, rising pipe and heat transfer tube, on biogas generator, be provided with opening for feed, discharge port and air outlet, at this biogas generator inner bottom part heat transfer tube is installed, the water-in of this heat transfer tube links to each other with an end of water inlet pipe, the outlet that the other end of this water inlet pipe passes the thermal storage water tank on biogas generator and the solar energy collector is communicated with, the water outlet of this heat transfer tube is communicated with described thermal storage water tank's inlet through rising pipe, on described rising pipe, be provided with recycle pump, described biogas generator is contained in the body of open pond, a upper end, at the bottom of the pond of this pond body and the pool wall internal surface be equipped with cellular insulant or rice wheat straw, above this pond body, be provided with the double-plastic shed, by the closure of openings of this shed with the pond body.
By at the bottom of the pond, the cellular insulant or the rice wheat straw of pool wall and the double-plastic shed of building above the body of pond form heat-insulation system, with abundant absorption solar heat, forms Greenhouse effect, plays insulation effect, effectively reduces heat waste.
In the technique scheme, be provided with feed port and mud hole in the pool wall bottom of described pond body, this feed port and mud hole are relative with opening for feed and discharge port on the described biogas generator respectively, and described water inlet pipe and rising pipe pass from this feed port; The outside at described pond body is provided with feed space and discharge room, the inner chamber of this feed space communicates with the inner chamber of described biogas generator through described feed port and opening for feed, the inner chamber of described discharge room communicates with the inner chamber of described biogas generator through described mud hole and discharge port, is respectively equipped with slag notch and overflow port on the sidewall bottom and the top of this discharge room.
In technique scheme, on described rising pipe, be provided with by-pass valve control.At winter, cold spell in spring cold season joint, when external temperature is low, open by-pass valve control, start recycle pump, make the solar water that is stored among the thermal storage water tank, by advancing the heat transfer tube that hot-water line enters the biogas generator inner bottom part, carry out thermal exchange with fermented feed liquid in the producer, thereby improve leavening temperature.In hot season autumn in summer, or do not need in the time of the heat supply of software biogas generator, closing control valve, stop the operation of hot water circulating pump, hot water among the thermal storage water tank no longer enters methane-generating pit, and solar energy collector and thermal storage water tank form solar water heater, can use the domestic hot-water for peasant household provides bathing.
In technique scheme, described heat transfer tube is the be laid in bottom surface central authorities of described biogas generator of ring-type in the shape of a spiral, fully to carry out heat exchange.
The beneficial effects of the utility model are: by solar thermal collection system and hot water cyclesystem the fermented feed liquid in the software biogas generator is heated, improve leavening temperature; Above the software biogas generator is placed the pond, build the double-plastic shed simultaneously, fully absorb solar heat, form Greenhouse effect, play insulation effect, effectively reduce heat waste.The utility model adopts the solar heating heat-exchanger rig and builds the mode that the plastics film shed combines, can make full use of solar heat to software biogas generator temperature raising and maintaining, improve the fermented feed liquid temperature, thereby improve factor of created gase, satisfy daily energy demand in peasant household's winter; Install simultaneously, management, easy to maintenance.
Further the utility model is illustrated below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Solar temperature raising and maintaining methane-generating pit shown in Figure 1 is made up of pond body 13, software biogas generator 1, solar energy collector 2, recycle pump 4, water inlet pipe 5, rising pipe 6, heat transfer tube 7, by-pass valve control 8 and double-plastic shed 10, wherein the upper end of pond body 13 is uncovered, be provided with feed port 17 and mud hole 15 in the pool wall bottom of pond body 13, be provided with feed space 11 and discharge room 12 in the outside of pond body 13, be respectively equipped with slag notch 16 and overflow port 14 on the sidewall bottom and the top of this discharge room 12.At the bottom of the pond of pond body 13 and the pool wall internal surface be equipped with cellular insulant or rice wheat straw 9, above this pond body 13, be provided with double-plastic shed 10, by the closure of openings of this shed 10 with the pond body.
Biogas generator 1 is housed in pond body 13, this biogas generator 1 is provided with opening for feed, discharge port and air outlet 1a, opening for feed and discharge port dock with described feed port 17 and mud hole 15 respectively, and the inner chamber of biogas generator 1 communicates with the inner chamber of feed space 11 and discharge room 12 respectively through feed port 17 and mud hole 15.Form methane fermentation system by biogas generator 1, feed space 11, discharge room 12, air outlet 1a.
At biogas generator 1 inner bottom part heat transfer tube 7 is installed, this heat transfer tube 7 is the be laid in bottom surface central authorities of biogas generator 1 of ring-type in the shape of a spiral, the water-in of this heat transfer tube 7 links to each other with an end of water inlet pipe 5, the outlet that the other end of this water inlet pipe 5 passes the thermal storage water tank 3 on biogas generator 1 and feed port 17 and the solar energy collector 2 is communicated with, the rising pipe 6 of the water outlet of this heat transfer tube 7 through passing biogas generator 1 and feed port 17 is communicated with thermal storage water tank 3 inlet, is provided with recycle pump 4 and by-pass valve control 8 on described rising pipe 6.By solar thermal collection system and hot water cyclesystem the fermented feed liquid in the software biogas generator is heated, improve leavening temperature.
At winter, cold spell in spring cold season joint, when external temperature is low, open by-pass valve control 8, start recycle pump 4, make the hot water that is stored among the thermal storage water tank 3, by advancing the heat transfer tube 7 that water inlet pipe 5 enters biogas generator 1 inner bottom part, carry out thermal exchange with fermented feed liquid in the producer 1, thereby improve leavening temperature.Hot water is through after heat transfer tube 7 heat exchange, temperature descends, send into solar energy collector by rising pipe 6 by recycle pump 4 again, draw solar thermal energy, enter hot water water storage tank 3, so constantly circulation makes full use of solar energy resources, improve the winter-spring season leavening temperature of software biogas generator 1, thereby improve factor of created gase.Simultaneously, the double-plastic shed can fully absorb solar heat, forms Greenhouse effect, and the software biogas generator is played insulation effect, effectively reduces heat waste.Hot season autumn in summer, or do not need in the time of 1 heat supply of software biogas generator, closing control valve 8, stop the operation of recycle pump 4,3 hot water no longer enters biogas generator 1 among the thermal storage water tank, and solar energy collector and thermal storage water tank form solar water heater, can use the domestic hot-water for peasant household provides bathing.
Claims (4)
1. solar temperature raising and maintaining methane-generating pit, comprise software biogas generator (1), solar energy collector (2), recycle pump (4), water inlet pipe (5), rising pipe (6) and heat transfer tube (7), on biogas generator (1), be provided with opening for feed, discharge port and air outlet (1a), at this biogas generator (1) inner bottom part heat transfer tube (7) is installed, the water-in of this heat transfer tube (7) links to each other with an end of water inlet pipe (5), the outlet that the other end of this water inlet pipe (5) passes the thermal storage water tank (3) on biogas generator (1) and the solar energy collector (2) is communicated with, the water outlet of this heat transfer tube (7) is communicated with through the inlet of rising pipe (6) with described thermal storage water tank (3), on described rising pipe (6), be provided with recycle pump (4), it is characterized in that: described biogas generator (1) is contained in a upper end open pond body (13), at the bottom of the pond of this pond body (13) and the pool wall internal surface be equipped with cellular insulant or rice wheat straw (9), be provided with double-plastic shed (10) in the top of this pond body (13), by the closure of openings of this shed (10) with the pond body.
2. solar temperature raising and maintaining methane-generating pit according to claim 1, it is characterized in that: be provided with feed port (17) and mud hole (15) in the pool wall bottom of described pond body (13), this feed port (17) and mud hole (15) are relative with opening for feed and discharge port on the described biogas generator (1) respectively, and described water inlet pipe (5) and rising pipe (6) pass from this feed port (17); Be provided with feed space (11) and discharge room (12) in the outside of described pond body (13), the inner chamber of this feed space (11) communicates with the inner chamber of described biogas generator (1) through described feed port (17) and opening for feed, the inner chamber of described discharge room (12) communicates with the inner chamber of described biogas generator (1) through described mud hole (15) and discharge port, is respectively equipped with slag notch (16) and overflow port (14) on the sidewall bottom and the top of this discharge room (12).
3. solar temperature raising and maintaining methane-generating pit according to claim 1 is characterized in that: be provided with by-pass valve control (8) on described rising pipe (6).
4. solar temperature raising and maintaining methane-generating pit according to claim 1 is characterized in that: described heat transfer tube (7) is the be laid in bottom surface central authorities of described biogas generator (1) of ring-type in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201266632U CN201362716Y (en) | 2009-03-17 | 2009-03-17 | Solar energy temperature raising and heat insulation biogas generating pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201266632U CN201362716Y (en) | 2009-03-17 | 2009-03-17 | Solar energy temperature raising and heat insulation biogas generating pit |
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| Publication Number | Publication Date |
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| CN201362716Y true CN201362716Y (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201266632U Expired - Fee Related CN201362716Y (en) | 2009-03-17 | 2009-03-17 | Solar energy temperature raising and heat insulation biogas generating pit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864072A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane-generating pit |
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
| CN103571745A (en) * | 2012-07-31 | 2014-02-12 | 天津绿动植物营养技术开发有限公司 | Small thermostat water-bath biogas generator |
| CN103831284A (en) * | 2014-03-11 | 2014-06-04 | 湖州铁佛耐火材料有限公司 | Fermentation system |
| CN103897983A (en) * | 2012-12-25 | 2014-07-02 | 海口同方阳光科技有限公司 | Solar biogas tank temperature-increasing device |
| CN106867876A (en) * | 2017-04-13 | 2017-06-20 | 惠安县丽佳智能设备有限公司 | A kind of Novel biomass pool for improving biogas yield |
| CN109526485A (en) * | 2017-08-20 | 2019-03-29 | 西北农林科技大学 | A kind of anaerobic reactor heating plant coupled based on solar energy with greenhouse |
| CN110921837A (en) * | 2019-12-02 | 2020-03-27 | 中国中元国际工程有限公司 | Biological efficient phosphorus removal and anti-blocking engineering wetland system and method suitable for low-temperature environment |
| CN113170688A (en) * | 2021-04-06 | 2021-07-27 | 常州大学 | Heat-storage and temperature-increasing system of mobile energy vehicle intelligent connection fruit and vegetable greenhouse |
-
2009
- 2009-03-17 CN CNU2009201266632U patent/CN201362716Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571745A (en) * | 2012-07-31 | 2014-02-12 | 天津绿动植物营养技术开发有限公司 | Small thermostat water-bath biogas generator |
| CN102864072A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane-generating pit |
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
| CN103897983A (en) * | 2012-12-25 | 2014-07-02 | 海口同方阳光科技有限公司 | Solar biogas tank temperature-increasing device |
| CN103831284A (en) * | 2014-03-11 | 2014-06-04 | 湖州铁佛耐火材料有限公司 | Fermentation system |
| CN103831284B (en) * | 2014-03-11 | 2015-10-21 | 湖州铁佛耐火材料有限公司 | A kind of fermentation system |
| CN106867876A (en) * | 2017-04-13 | 2017-06-20 | 惠安县丽佳智能设备有限公司 | A kind of Novel biomass pool for improving biogas yield |
| CN109526485A (en) * | 2017-08-20 | 2019-03-29 | 西北农林科技大学 | A kind of anaerobic reactor heating plant coupled based on solar energy with greenhouse |
| CN110921837A (en) * | 2019-12-02 | 2020-03-27 | 中国中元国际工程有限公司 | Biological efficient phosphorus removal and anti-blocking engineering wetland system and method suitable for low-temperature environment |
| CN113170688A (en) * | 2021-04-06 | 2021-07-27 | 常州大学 | Heat-storage and temperature-increasing system of mobile energy vehicle intelligent connection fruit and vegetable greenhouse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20110317 |