CN204211739U - A kind of solar-energy methane pit - Google Patents
A kind of solar-energy methane pit Download PDFInfo
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- CN204211739U CN204211739U CN201420697477.5U CN201420697477U CN204211739U CN 204211739 U CN204211739 U CN 204211739U CN 201420697477 U CN201420697477 U CN 201420697477U CN 204211739 U CN204211739 U CN 204211739U
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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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Abstract
The utility model discloses a kind of solar-energy methane pit, comprise opening for feed, feed-pipe, fermentation vat, discharger, water pressure house, removable cover, sealing cover, annulus heating coil, thermal insulation layer, solar pipe, solar thermal collection system; Described annulus heating coil is installed on fermentation vat bottom part down; Thermal insulation layer is covered with under annulus heating coil; Annulus heating coil is communicated with solar thermal collection system by two solar pipes.This solar-energy methane pit adopts solar energy hot water supplying technology to combine with methane-generating pit technological transformation, improves methane-generating pit Biogas production during winter rate by solar water circulating technology, the fluctuation range of reduction methane-generating pit air demand throughout the year, thus increases economic efficiency.
Description
Technical field
The utility model relates to solar facilities technical field, particularly relates to a kind of solar-energy methane pit.
Background technology
Along with developing rapidly of economy, the challenge that environmental problem and energy dilemma are brought to the mankind is increasingly serious, thus just seems particularly important to the development and utilization of renewable energy source.Sun power is clean, the energy reliably, and the progress of technology makes the exploitation of sun power obtain to develop on a large scale very much, and the production cost of relevant device reduces greatly.China's solar energy resources is also important agricultural and livestock-raising district compared with the area of horn of plenty simultaneously, is applicable to very much the Application and Development of biogas.Biogas is a kind of renewable energy source, is the effective way utilizing biomass to produce clean energy, and biogas can reduce the impact of waste on environment on stream, has good detergency ability.
At present, one of difficult problem that biogas engineering industrialization is maximum is normal full load aerogenesis under guarantee winter low temperature environment, and this is particularly crucial to big-and-middle-sized central gas supply type biogas engineering.The effective way solving this difficult problem heats methane-generating pit exactly, show that mesophilic digestion has good economy to the research that biogas normal temperature (10 ~ 26 DEG C), middle temperature (28 ~ 38 DEG C) and high temperature (46 ~ 60 DEG C) ferment, optimum temperuture is 35 DEG C.Present major part adopts ground source heat pump type methane-generating pit heating system, but earth-source hot-pump system also has potential problem: in the field of air conditioning of cooling in summer Winter heat supply, and Summer and winter gets heat extraction imbalance can affect the operation of earth-source hot-pump system long-term stability.And biogas to run thermal load in the winter time more much higher than refrigeration duty required during extreme high temperature in summer weather, mesophilic digestion methane-generating pit does not even need refrigeration duty, and therefore, it will be more serious for getting the problem that heat extraction imbalance causes in biogas engineering.
How sun power is combined with methane-generating pit technology, solve in biogas engineering the problem of getting heat extraction imbalance and causing, thus improve methane-generating pit Biogas production during winter rate, reduce the fluctuation range of methane-generating pit air demand throughout the year, become a difficult problem for current biogas engineering.
Utility model content
In order to solve in methane-generating pit Biogas production during winter rate and biogas engineering the problem of getting heat extraction imbalance and causing, the utility model provides a kind of solar-energy methane pit, this solar-energy methane pit adopts solar energy hot water supplying technology to combine with methane-generating pit technological transformation, methane-generating pit Biogas production during winter rate is improved by solar water circulating technology, reduce the fluctuation range of methane-generating pit air demand throughout the year, increase economic efficiency.
The utility model solves the technical scheme that its technical problem adopts: a kind of solar-energy methane pit, comprises opening for feed, feed-pipe, fermentation vat, discharger, water pressure house, removable cover, sealing cover, annulus heating coil, thermal insulation layer, solar pipe, solar thermal collection system; Described fermentation vat top is provided with round exit; Feed-pipe one end is stretched into bottom fermentation vat, and the other end is connected with opening for feed; Removable cover is arranged on fermentation vat round exit place, and center is provided with tracheae open holes; Above removable cover, sealing cover is installed; At the fermentation vat waist on feed-pipe opposite, discharger is installed; Water pressure house is placed in by fermentation vat, adopts pipeline to be communicated with in the middle part of fermentation vat bay wall; Annulus heating coil is installed under fermentation vat; Thermal insulation layer is covered with under annulus heating coil; Annulus heating coil is communicated with solar thermal collection system by two solar pipes.
When fair weather, temperature in fermentation vat can be maintained 45 DEG C-60 DEG C by solar thermal collection system.
As further improvement of the utility model: described solar thermal collection system is made up of framework, support, thermal-collecting tube, glass, black heat-sink shell, hot-water line, cold water pipe, attemperater; Described framework adopts rectangular structure, and become angle with horizontal plane, bottom is supported by support; Glass is arranged on framework surface; Framework bottom surface is provided with black heat-sink shell, and black heat-sink shell and glass form vacuum space; Thermal-collecting tube is evenly arranged between black heat-sink shell and glass; Cold water pipe is fixed on framework lower end, communicates with thermal-collecting tube lower end; The rack-mount end of attemperater, communicates with thermal-collecting tube upper end, and attemperater right-hand member is provided with hot-water line.
Described thermal-collecting tube is made up of inside and outside two concentric(al) circles Glass tubings, and cured being deposited on inner tube outer surface of selective absorbing with high-absorbility and low-launch-rate forms heat-absorbing body, is pumped into high vacuum between inner and outer pipes interlayer.
As further improvement of the utility model: solar-energy methane pit is also provided with the air source heat pump for providing supplementary energy for methane-generating pit.13 air source heat pump 12 hours can 1 ton of 20 DEG C of cool water heating to 55 DEG C, due to air source heat pump for methane-generating pit provides supplementary energy, in cloudy day or rainy day, the work of the alternative sun power fair weather of air source heat pump working 12 hours, throughout the year can both as requested for methane-generating pit provides sufficient heat.
As further improvement of the utility model: described annulus heating coil is made up of water inlet pipe, radiating pipe, rising pipe; Radiating pipe is in water inlet pipe and the distribution of rising pipe both sides semicircular in shape; Radiating pipe one end is connected with water inlet pipe, and the other end is connected with rising pipe.
Described radiating pipe tube wall is provided with corrugated fin, is connected between radiator element with body for face contacts; Be conducive to distributing of heat.
Described fermentation vat middle and upper part is provided with plural breather hole, and the biogas of generation is disengaged very swimmingly in pipeline; Efficiently solve the crust of fermentation raw material, layering and dead band phenomenon, greatly increase the digestion ability of methane-generating pit.
Described hydraulic pressure adopts rectangular configuration, is conducive to multiple feed, and Large Copacity ground bin stock, is also convenient to batch mixing, batching.
Described water pressure house top arranges movable euphotic cover plate, and lightly convenient, stopping property is strong, can collect sun power, play liquid and heat the effect heated.
The utility model, a kind of solar-energy methane pit, is improved methane-generating pit Biogas production during winter rate by sun power circulating water heating fermentation vat, is stablized methane-generating pit air demand throughout the year.Sunlight shines on the black heat-sink shell of the second layer through the first layer glass of solar thermal collection system, by the heat absorption of solar energy, vacuum heat-insulation between two-layer, heat can not to unofficial biography, the water inside thermal-collecting tube can only be passed to, water in thermal-collecting tube is heated, the water of heating lightens along thermal-collecting tube heating surface and up enters attemperater, the water of water tank enters annulus heating plate along solar pipe, hot water is distribute heat under the effect of radiating pipe, the heat heating fermentation vat distributed, the water having distributed heat enters solar thermal collection system by solar pipe deferent, so constantly circulation, water in attemperater is constantly heated, thus reach the object of stable heating fermentation vat, fermentation materials ferments at the fermentation vat of steady temperature, produce biogas.
A kind of solar-energy methane pit of the utility model is applicable to biogas suitability for industrialized production, and its beneficial effect is:
1) fabrication cost is few, and working cost is low.
2) recycle of agricultural wastes is achieved.
3) improve biogas Biogas production during winter rate, reduce the fluctuation range of methane-generating pit air demand throughout the year, increase economic efficiency.
4) also become while meeting the comfortable life of health of people and build the indispensable part of environmental protection, energy-saving low-carbon harmonious society.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of solar thermal collection system.
Fig. 3 is the structural representation of annulus heating coil.
In figure, 1, opening for feed, 2, feed-pipe, 3, fermentation vat, 4, discharger, 5, water pressure house, 6, removable cover, 7, sealing cover, 8, annulus heating coil, 9, thermal insulation layer, 10, solar pipe, 11, solar thermal collection system, 12, breather hole, 21, framework, 22, support, 23, thermal-collecting tube, 24, glass, 25, black heat-sink shell, 26, hot-water line, 27, cold water pipe, 28, attemperater, 31, water inlet pipe, 32, radiating pipe, 33, rising pipe.
Embodiment
Please refer to Fig. 1, this specific embodiment, fermentation vat (3) adopts oval globosity, and top is provided with round exit, and fermentation vat (3) middle and upper part is provided with plural breather hole (12); Fermentation vat (3) bottom is stretched in feed-pipe (2) one end, and the other end is connected with opening for feed (1); Opening for feed (1) becomes hydraucone shape; Removable cover (6) is arranged on fermentation vat (3) round exit place, and center is provided with tracheae open holes; Removable cover (6) top is provided with sealing cover (7); At fermentation vat (3) waist on feed-pipe (2) opposite, discharger (4) is installed; It is other that water pressure house (5) is placed in fermentation vat (3), and top arranges movable euphotic cover plate, adopts pipeline to be communicated with in the middle part of fermentation vat (3) bay wall; Annulus heating coil (8) is installed under fermentation vat (3); Thermal insulation layer (9) is covered with under annulus heating coil (8); Annulus heating coil (8) is communicated with solar thermal collection system (11) by two solar pipes (10).
Please refer to Fig. 2, this specific embodiment, framework (21) adopts rectangular structure, and become angle with horizontal plane, bottom is supported by support (22); Glass (24) is arranged on framework (21) surface; Framework (21) bottom surface is provided with black heat-sink shell (25), and black heat-sink shell (25) and glass (24) form vacuum space; Thermal-collecting tube (23) is evenly arranged between black heat-sink shell (25) and glass (24), and thermal-collecting tube (23) is made up of inside and outside two concentric(al) circles Glass tubings; Cold water pipe (27) is fixed on framework (21) lower end, communicates with thermal-collecting tube (23) lower end; Attemperater (28) is arranged on support (22) upper end, communicates with thermal-collecting tube (23) upper end, and attemperater (28) right-hand member is provided with hot-water line (26).
Please refer to Fig. 3, this specific embodiment, radiating pipe (32) is in water inlet pipe (31) and the distribution of rising pipe (33) both sides semicircular in shape; Radiating pipe (32) one end is connected with water inlet pipe (31), and the other end is connected with rising pipe (33); Radiating pipe (32) tube wall is provided with corrugated fin, is connected between radiator element with body for face contacts.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that technical solutions of the utility model are carried out; or say that design of the present utility model and technical scheme are applied to other occasions, all in protection domain of the present utility model without improving.
Claims (9)
1. a solar-energy methane pit, comprises opening for feed, feed-pipe, fermentation vat, discharger, water pressure house, removable cover, sealing cover; Described fermentation vat top is provided with round exit; Feed-pipe one end is stretched into bottom fermentation vat, and the other end is connected with opening for feed; Removable cover is arranged on fermentation vat round exit place, and center is provided with tracheae open holes; Above removable cover, sealing cover is installed; At the fermentation vat waist on feed-pipe opposite, discharger is installed; Water pressure house is placed in by fermentation vat, adopts pipeline to be communicated with in the middle part of fermentation vat bay wall; It is characterized in that: also comprise annulus heating coil, thermal insulation layer, solar pipe, solar thermal collection system, described annulus heating coil is installed on fermentation vat bottom part down; Thermal insulation layer is covered with under annulus heating coil; Annulus heating coil is communicated with solar thermal collection system by two solar pipes.
2. a kind of solar-energy methane pit according to claim 1, is characterized in that: described solar thermal collection system is made up of framework, support, thermal-collecting tube, glass, black heat-sink shell, hot-water line, cold water pipe, attemperater; Described framework adopts rectangular structure, and become angle with horizontal plane, bottom is supported by support; Glass is arranged on framework surface; Framework bottom surface is provided with black heat-sink shell, and black heat-sink shell and glass form vacuum space; Thermal-collecting tube is evenly arranged between black heat-sink shell and glass; Cold water pipe is fixed on framework lower end, communicates with thermal-collecting tube lower end; The rack-mount end of attemperater, communicates with thermal-collecting tube upper end, and attemperater right-hand member is provided with hot-water line.
3. a kind of solar-energy methane pit according to claim 2, it is characterized in that: described thermal-collecting tube is made up of inside and outside two concentric(al) circles Glass tubings, cured being deposited on inner tube outer surface of selective absorbing with high-absorbility and low-launch-rate forms heat-absorbing body, is pumped into high vacuum between inner and outer pipes interlayer.
4. a kind of solar-energy methane pit according to claim 1 and 2, is characterized in that: being provided with air source heat pump is supplementary energy.
5. a kind of solar-energy methane pit according to claim 1 and 2, is characterized in that: described annulus heating coil is made up of water inlet pipe, radiating pipe, rising pipe; Described radiating pipe is in water inlet pipe and the distribution of rising pipe both sides semicircular in shape; Radiating pipe one end is connected with water inlet pipe, and the other end is connected with rising pipe.
6. a kind of solar-energy methane pit according to claim 5, is characterized in that: radiating pipe tube wall is provided with corrugated fin, is connected between radiator element with body for face contacts.
7. a kind of solar-energy methane pit according to claim 1 and 2, is characterized in that: described fermentation vat middle and upper part is provided with plural breather hole.
8. a kind of solar-energy methane pit according to claim 1 and 2, is characterized in that: described hydraulic pressure adopts rectangular configuration.
9. a kind of solar-energy methane pit according to claim 1 and 2, is characterized in that: described water pressure house top arranges movable euphotic cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697477.5U CN204211739U (en) | 2014-11-20 | 2014-11-20 | A kind of solar-energy methane pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697477.5U CN204211739U (en) | 2014-11-20 | 2014-11-20 | A kind of solar-energy methane pit |
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| Publication Number | Publication Date |
|---|---|
| CN204211739U true CN204211739U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420697477.5U Expired - Fee Related CN204211739U (en) | 2014-11-20 | 2014-11-20 | A kind of solar-energy methane pit |
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| Country | Link |
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| CN (1) | CN204211739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838586A (en) * | 2016-03-09 | 2016-08-10 | 赵洪发 | Solar-heating biogas generator |
| CN106701546A (en) * | 2017-02-11 | 2017-05-24 | 曲阜七星沼气科技发展有限公司 | Solar vacuum constant-temperature marsh gas reaction tank |
-
2014
- 2014-11-20 CN CN201420697477.5U patent/CN204211739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838586A (en) * | 2016-03-09 | 2016-08-10 | 赵洪发 | Solar-heating biogas generator |
| CN106701546A (en) * | 2017-02-11 | 2017-05-24 | 曲阜七星沼气科技发展有限公司 | Solar vacuum constant-temperature marsh gas reaction tank |
| CN106701546B (en) * | 2017-02-11 | 2019-07-16 | 曲阜七星沼气科技发展有限公司 | Solar energy evacuated constant temperature biogas reactor tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20161120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |