CN204111750U - A kind of solar heat-preservation, biogas production, greenhouse gardening integral system - Google Patents

A kind of solar heat-preservation, biogas production, greenhouse gardening integral system Download PDF

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Publication number
CN204111750U
CN204111750U CN201420504929.3U CN201420504929U CN204111750U CN 204111750 U CN204111750 U CN 204111750U CN 201420504929 U CN201420504929 U CN 201420504929U CN 204111750 U CN204111750 U CN 204111750U
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China
Prior art keywords
methane
heat
generating pit
solar heat
solar
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Expired - Fee Related
Application number
CN201420504929.3U
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Chinese (zh)
Inventor
赵金辉
张力隽
李凯华
侯超杰
杨静怡
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Zhengzhou University
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Zhengzhou University
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Priority to CN201420504929.3U priority Critical patent/CN204111750U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Abstract

The utility model provides a kind of solar heat-preservation, biogas production, greenhouse gardening integral system, can utilize the temperature in sun power maintenance methane-generating pit fully.Comprise several booth bases, be provided with at least two methane-generating pits below booth base, side, booth base is provided with opening for feed, side is provided with discharge port, and methane-generating pit is connected with solar heat collector.The utility model utilizes solar heat collector absorption sun power to heat, afterwards heat is passed to methane-generating pit, makes full use of the insulation effect in booth base simultaneously, make the temperature reasonable layout in methane-generating pit, even if at cold snap, the high-efficiency fermenting of biogas also can be ensured.

Description

A kind of solar heat-preservation, biogas production, greenhouse gardening integral system
Technical field
The utility model relates to a kind of methane utilizing system, specifically relates to the methane utilizing system under a kind of chilling temperatures.
Background technology
Household biogas has obtained extensive utilization as the time-honored biomass energy utilization technologies of one, but runs into some problems in actual applications, and one of them subject matter is the impact on biogas output on the low side of the temperature of fermentation vat.Test shows, when the temperature of methane-generating pit is more than 15 DEG C, every cubic metre of methane-generating pit every day can aerogenesis 0.1 ~ 0.2m 3, but time below 10 DEG C, biogas fermentation is subject to serious suppression, and factor of created gase is only 0.01m every day 3left and right, cannot meet and use gas demand.By the restriction of cost, most household biogas seldom adopts effective Insulation, and thus in extreme cold period, in methane-generating pit, leavening temperature is on the low side, and methane-generating pit is in not aerogenesis or frozen state, causes winter methane-generating pit to occur a large amount of idle phenomenon.Methane-generating pit leavening temperature this problem low, seriously constrains development and the popularization of Country Household Using Marsh Gas technology.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of solar heat-preservation, biogas production, greenhouse gardening integral system, can utilize the temperature in sun power maintenance methane-generating pit fully.
To achieve these goals, the technical solution of the utility model realizes in the following manner: a kind of solar heat-preservation, biogas production, greenhouse gardening integral system, comprise several booth bases, at least two methane-generating pits are provided with below booth base, side, booth base is provided with opening for feed, side is provided with discharge port, and methane-generating pit is connected with solar heat collector.
Described solar heat collector comprises solar water heater, the outlet of solar water heater is connected with water trap by PE pipe dish, PE pipe dish is arranged in accumulation of heat pond, water trap divides two-way to be connected with heat exchange coil, and heat exchange coil is arranged in methane-generating pit, and the output terminal of heat exchange coil is connected with water collector, water collector is connected with water tank by magnetic valve, recycle pump, water collector is connected with vent valve, and water tank is connected with solar water heater, and magnetic valve connects the point for measuring temperature in methane-generating pit.
The output terminal of described methane-generating pit is also connected with manual valve.
The output terminal of described methane-generating pit is also connected with biogas lamp, and it is inner that biogas lamp is arranged on booth base.
Described accumulation of heat pond is the accumulation of heat pond that paraffin is housed.
Stirrer is provided with in described booth base.
Described thermophore is arranged on below booth base, and thermophore is coated with foamed cement.
Time switch is provided with between solar water heater and accumulation of heat pond.
The utility model utilizes solar heat collector absorption sun power to heat, afterwards heat is passed to methane-generating pit, makes full use of the insulation effect in booth base simultaneously, make the temperature reasonable layout in methane-generating pit, even if at cold snap, the high-efficiency fermenting of biogas also can be ensured.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is the schematic diagram of solar water heater and methane-generating pit heat exchange.
Fig. 3 is methane-generating pit and booth base distribution schematic diagram.
Wherein: 1. water tank, 2. automatic exhaust steam valve, 3. solar water heater, 4. thermophore, 5. recycle pump, 6. recycle pump, 7. vent valve, 8. heat exchange coil, 9. water trap, 10. manual valve, 11. magnetic valves, 12. points for measuring temperature, 13. time switches, 14. opening for feeds, 5. discharge port, 16. booth bases, 17. biogas lamps, 18. methane-generating pits, 19. stirrers.
Embodiment
As shown in figures 1 and 3, a kind of solar heat-preservation, biogas production, greenhouse gardening integral system, comprise several booth bases 16, two methane-generating pits 18 are provided with below booth base 16, side, booth base 16 is provided with opening for feed 14, side is provided with discharge port 15, and methane-generating pit 18 is connected with solar heat collector.Establish two methane-generating pits 18 in each system group, scavenging air valve installed by each system group gas pipe line, makes the alternation of two methane-generating pits 18, solve biogas disruption when reloading, ensure the continuous air feed of system.Opening for feed 14 and discharge port 15 are built between adjacent booth base 16, and are not located at booth inside, ensure that the Air quality in booth.
Utility model works principle is as follows: solar heat heating unit absorbs sunlight and heats circulatory mediator, circulatory mediator transfers heat to methane-generating pit 18, methane-generating pit 18 is fermented efficiently, simultaneously, in booth base 16, the temperature in base is higher, can reduce the heat loss of methane-generating pit 18.
As preferably, as shown in Figure 2, described solar heat collector comprises solar water heater 3, the outlet of solar water heater 3 is connected with water trap 9 by PE pipe dish, PE pipe dish is arranged in accumulation of heat pond 4, water trap 9 points of two-way are connected with heat exchange coil 8, heat exchange coil 8 is arranged in methane-generating pit 18, the output terminal of heat exchange coil 8 is connected with water collector 6, water collector 6 is connected with water tank 1 by magnetic valve 11, recycle pump 5, water collector 6 is connected with vent valve 7, water tank 1 is connected with solar water heater 3, and magnetic valve 11 connects the point for measuring temperature in methane-generating pit 18.Described accumulation of heat pond 4 is for being equipped with the accumulation of heat pond of paraffin.Water tank 1 bottom is provided with automatic exhaust steam valve 2.
The working process of solar heat collector is as follows: solar water heater 3 absorb solar heat, circulatory mediator ethylene glycol is heated, ethylene glycol after heating enters accumulation of heat pond 4, in accumulation of heat pond 4, ethylene glycol transfers heat to the paraffin in accumulation of heat pond 4 by PE coil pipe, make melted paraffin wax, the ethylene glycol flowed out from accumulation of heat pond 4 is divided into two branch roads to enter methane-generating pit 18 by water trap 9, in methane-generating pit 18, ethylene glycol provides heat by heat exchange coil 8 to methane-generating pit, to ensure that the proper temperature in methane-generating pit 18 ferments, produces biogas.Recycle after water collector 6 is collected from methane-generating pit 18 ethylene glycol out.And recycle pump 5 can constantly for whole system supplements ethylene glycol, magnetic valve 11 connects the point for measuring temperature 12 in methane-generating pit 18, by the temperature variation that point for measuring temperature 12 reacts, magnetic valve 11 can the flow of controlled circulation water pump 5, thus reaches the object of the quantity of heat production controlling whole system.At night, solar water heater quits work.Paraffin in accumulation of heat pond, because outside temperature reduces, is frozen into solid by liquid, thus produces a large amount of heat of phase transformation, heated glycol.Ethylene glycol enters in methane-generating pit, continues as methane-generating pit heat supply.
Described thermophore 4 is placed on underground, and thermophore 4 is coated with foamed cement, and its heat insulation effect is good.
As preferably, the output terminal of described methane-generating pit 18 is also connected with manual valve 10, and the biogas manually valve of generation, through Cemented filling to user.
As a step is preferred again, the output terminal of described methane-generating pit 18 is also connected with biogas lamp 17, and it is inner that biogas lamp 17 is arranged on booth base 16.Methane-generating pit 18 is booth base above, and the temperature in booth base 16 decreases the heat loss of methane-generating pit indirectly, and the biogas of the production of methane-generating pit 18 can improve again the temperature in booth base by biogas lamp, be conducive to the growth of plant.
In booth, with the addition of the biogas lamp 17 of some amount, not only saved electric energy, and also improve the output of farm crop to a certain extent.Prove by experiment, in booth, every 50 square area arrange 1 biogas lamp, and when morning, canopy temperature was minimum in the winter time, (5:00 ~ 7:00) lights, and can improve canopy temperature 1 ~ 2 DEG C.The burning of biogas lamp also can produce a certain amount of carbonic acid gas, obtains through experimental verification, can produce the carbon dioxide of 0.9 cubic metre, CO in air in canopy after every 1 cubic metre of biogas combustion 2content is raised to 0.08% ~ 0.12% by 0.02% ~ 0.03%.The morning, 9:00 ~ 11:00 was the animated period of photosynthesis of vegetables, if light biogas lamp, carbonic acid gas is sufficient in photosynthesis animated period concentration, plays a positive role, also improve the output of farm crop to a great extent to the photosynthesis of plant.
As preferred further, be provided with stirrer 19 in described booth base 16, stirrer 19 periodic agitation, not only accelerates the output of aerogenesis, feed liquid can also be made to ferment more abundant.
Between solar water heater 3 and accumulation of heat pond 4, be provided with time switch 13, time switch 13 is opened evening, and daytime closes, and makes solar water heater short circuit evening.

Claims (8)

1. a solar heat-preservation, biogas production, greenhouse gardening integral system, comprise several booth bases (16), it is characterized in that: booth base (16) below is provided with at least two methane-generating pits (18), booth base (16) side is provided with opening for feed (14), side is provided with discharge port (15), and methane-generating pit (18) is connected with solar heat collector.
2. solar heat-preservation according to claim 1, biogas production, greenhouse gardening integral system, it is characterized in that: described solar heat collector comprises solar water heater (3), the outlet of solar water heater (3) is connected with water trap (9) by PE pipe dish, PE pipe dish is arranged in accumulation of heat pond (4), water trap (9) point two-way is connected with heat exchange coil (8), heat exchange coil (8) is arranged in methane-generating pit (18), the output terminal of heat exchange coil (8) is connected with water collector (6), water collector (6) is by magnetic valve (11), recycle pump (5) is connected with water tank (1), water collector (6) is connected with vent valve (7), water tank (1) is connected with solar water heater (3), magnetic valve (11) connects the point for measuring temperature (12) in methane-generating pit (18).
3. solar heat-preservation according to claim 2, biogas production, greenhouse gardening integral system, is characterized in that: the output terminal of described methane-generating pit (18) is also connected with manual valve (10).
4. solar heat-preservation according to claim 2, biogas production, greenhouse gardening integral system, is characterized in that: the output terminal of described methane-generating pit (18) is also connected with biogas lamp (17), and it is inner that biogas lamp (17) is arranged on booth base (16).
5. according to the solar heat-preservation one of claim 2 ~ 4 Suo Shu, biogas production, greenhouse gardening integral system, it is characterized in that: described accumulation of heat pond (4) is for being equipped with the accumulation of heat pond of paraffin.
6. solar heat-preservation according to claim 5, biogas production, greenhouse gardening integral system, is characterized in that: be provided with stirrer (19) in described booth base (16).
7. solar heat-preservation according to claim 6, biogas production, greenhouse gardening integral system, is characterized in that: described thermophore (4) is arranged on below, booth base (16), and thermophore (4) is coated with foamed cement.
8. solar heat-preservation according to claim 7, biogas production, greenhouse gardening integral system, is characterized in that: between solar water heater (3) and accumulation of heat pond (4), be provided with time switch (13).
CN201420504929.3U 2014-09-04 2014-09-04 A kind of solar heat-preservation, biogas production, greenhouse gardening integral system Expired - Fee Related CN204111750U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106857099A (en) * 2017-03-21 2017-06-20 李梦颖 A kind of agricultural booth with biogas warm-up auxiliary system
CN107418882A (en) * 2017-09-26 2017-12-01 辽宁工程技术大学 The phase-change energy-storage solar methane-generating pit of hot-water heating system twin-stage self-loopa round the clock can be achieved
CN112335465A (en) * 2020-10-14 2021-02-09 哈尔滨工业大学 Day and night complementary type soil heating system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106857099A (en) * 2017-03-21 2017-06-20 李梦颖 A kind of agricultural booth with biogas warm-up auxiliary system
CN106857099B (en) * 2017-03-21 2022-05-24 李梦颖 Take biogas heating auxiliary system's agricultural greenhouse
CN107418882A (en) * 2017-09-26 2017-12-01 辽宁工程技术大学 The phase-change energy-storage solar methane-generating pit of hot-water heating system twin-stage self-loopa round the clock can be achieved
CN107418882B (en) * 2017-09-26 2020-09-11 辽宁工程技术大学 Phase change energy storage solar methane tank capable of realizing double-stage day and night self-circulation of hot water system
CN112335465A (en) * 2020-10-14 2021-02-09 哈尔滨工业大学 Day and night complementary type soil heating system
CN112335465B (en) * 2020-10-14 2022-09-06 哈尔滨工业大学 Day and night complementary type soil heating system

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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: 20150121

Termination date: 20150904

EXPY Termination of patent right or utility model