CN101845388A - Self-heating methane tank - Google Patents
Self-heating methane tank Download PDFInfo
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- CN101845388A CN101845388A CN201010187780A CN201010187780A CN101845388A CN 101845388 A CN101845388 A CN 101845388A CN 201010187780 A CN201010187780 A CN 201010187780A CN 201010187780 A CN201010187780 A CN 201010187780A CN 101845388 A CN101845388 A CN 101845388A
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- cone
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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
- C12M23/38—Caps; Covers; Plugs; Pouring means
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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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- Clinical Laboratory Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a self-heating methane tank, which comprises a fermentation chamber. A cone is horizontally arranged inside the fermentation chamber; and the liquid level of the fermentation liquor is not lower than the bottom surface of the cone and not higher than the top end of the cone. During use, methane is generated inside fermentation materials; solid materials are pushed by the methane so as to float on the surface of the fermentation liquor, wherein a part of solid materials ascend and stack along the inclined side face of the cone; after stacking to a certain thickness, the solid materials begin to release heat and ferment under the action of microbes; the fermented and decomposed materials fall into the fermentation liquor; the residual solid materials on the surface of the fermentation liquor continuously stack on the cone; and the self-heating effect is achieved through circulation. The decomposition of the solid materials makes caking difficultly generate on the surface of the fermentation liquor, and the methane can be normally exhausted. The self-heating methane tank with the structure can be normally used in four seasons throughout the year, is hard to generate caking on the surface of the fermentation liquor in the using process, does not need a mixing device or blocking rod, has the advantages of simple structure, convenient use, easy implementation and low cost, and is suitable for wide popularization and application in rural areas.
Description
Technical field
The present invention relates to a kind of methane-generating pit, particularly a kind of self-heating methane tank.
Background technology
Utilize the energy of the biogas of plant residue and animal excrement fermentation generation, become the important form that rural energy is supplied with as productive life.The biogas fermentation temperature is subjected to the influence of ground temperature bigger, and ground temperature is subjected to the influence of temperature, and in 10～30 ℃ of scopes, temperature is high more, and gas production rate is big more, and when the pond temperature dropped to below 10 ℃, methane-generating pit stopped aerogenesis gradually.At present, the methane-generating pit built of rural area mostly is the form of normal temperature fermentation.The northern area of China mean daily temperature in November to March next year is lower than 10 ℃ more, is unfavorable for biogas fermentation, and the methane-generating pit under being built in the solar energy heating circle, general annual normal effective storage life is 8-9 month.Become the big problem that many rural subscribers face therefore in the winter time heating of methane-generating pit.
Traditional cement methane-generating pit or biomass pool built from glass fiber reinforced plastic use how pool wall can produce small crackle after several years, and resistance to air loss reduces, the lost of life.Though it is better by methane-generating pit resistance to air loss, heat retaining property and resistance to acids and bases that PVC, PE, EVA or HDPE material are made, but need build in above the ground, easily be exposed to the sun and the people, animal animal is former thereby cause damage because of sunlight, be positioned at the top, bottom surface because of methane-generating pit simultaneously, material in the pond can not flow into fermentation vat automatically, and the low weather of temperature usually can't normal gas producing, even normal gas producing, its air pressure also is difficult to reach the effect of gas just commonly used, generally needs this moment to use topping-up pump to make the methane-generating pit internal pressure reach the required pressure of gas just commonly used.
Prior art also provides the methane-generating pit that has heating device, for example sets up the methane-generating pit of heating pipe, sets up methane-generating pit of light and heat collection kettle or the like, and what majority utilized is that sun power promotes that as thermal source methane-generating pit heats up under the low temperature.This type of methane-generating pit cost height is subjected to solar irradiation to influence greatly poor practicability.In order to save cost, prior art also provides artificial temperature raising method, such as the excrement material is carried out stack retting, perhaps injecting hot water in methane-generating pit, is exactly to adjust material component and ratio in addition, promotes fermentation by whipped form again, these type of insulation means waste time and energy, and biogas tells on not good.
Simultaneously, usually, the fermented liquid liquid level cause biogas normally to shed in the methane-generating pit fermenting process because of producing caking, so be provided with whipping appts in many methane-generating pit proving rooms, perhaps above the proving room inner chamber countercheck rod is set, when material fell, countercheck rod smashed caking materials, biogas can be shed, whipping appts strengthens the methane-generating pit construction cost, and the countercheck rod structure usually seriously corroded need to change, use inconvenience.
Therefore, be necessary to overcome described defective, a kind of self-heating methane tank is provided, can generates heat automatically, promote the material fermentation, improve the methane gas producing rate, ensure that methane-generating pit can both normally use at all seasons, and material liquid surface prevented from caking in the use, need not to install whipping appts or countercheck rod, simple in structure, easy to use, implement easily, with low cost, be suitable in the rural area extensively promoting and using.
Summary of the invention
The purpose of this invention is to provide a kind of self-heating methane tank, can generate heat automatically, promote the material fermentation, improve the methane gas producing rate, ensure that methane-generating pit can both normally use at all seasons, and material liquid surface prevented from caking in the use, need not to install whipping appts or countercheck rod, simple in structure, easy to use, implement easily, with low cost, be suitable in the rural area extensively promoting and using.
Self-heating methane tank of the present invention, comprise proving room, proving room is provided with material inlet, material outlet and methane outlet, material inlet is sealedly connected with feed-pipe, the feed-pipe outlet extends in the fermented liquid of proving room, be horizontally disposed with cone in the proving room, the fermented liquid liquid level is not less than facies basialis pyramidis and is not higher than pyramid tip.
Further, the proving room inner roof wall is covered with the etching resistant film I, and the proving room inner side-wall is covered with the etching resistant film II, and etching resistant film I and etching resistant film II are tightly connected and form the overlay film that can cover proving room inner roof wall and inner side-wall; Methane outlet is sealedly connected with the escape pipe that runs through overlay film and be communicated with the proving room inner chamber;
Further, corresponding with the proving room inner roof wall parallel near being provided with the roof support, it is corresponding with the proving room inner side-wall that parallel the etching resistant film I is held between inner roof wall and the roof support near being provided with the sidewall support, the etching resistant film II be held on inner side-wall and and the inner side-wall support between;
Further, described etching resistant film I and etching resistant film II are the PVC film and make and make one, and the base of etching resistant film II is higher than the fermented liquid liquid level;
Further, described film frame is made by Chinese toon trees or cement material, and described cone is cone and is made by corrosion-resistant plastic.
Beneficial effect of the present invention: the self-heating methane tank of structure of the present invention, comprise proving room, proving room is provided with material inlet, material outlet and methane outlet, material inlet is sealedly connected with feed-pipe, the feed-pipe outlet extends in the fermented liquid of proving room, be horizontally disposed with cone in the proving room, the fermented liquid liquid level is not less than facies basialis pyramidis and is not higher than pyramid tip; During use, the inner biogas that produces of fermentation materials, the biogas come-up is overflowed liquid level, solid materials is subjected to biogas to promote to float on the surface of fermented liquid and draws close to cone, under buoyancy function, the part solid materials constantly rises and accumulation along the cone prism, beginning release of heat and fermentation under microbial process after the material of piling up on the cone reaches certain thickness, material on the cone decomposes and falls in the fermented liquid, all the other solid materialss on fermented liquid surface are or else disconnected to be piled up on cone, release of heat and fermentation once again then, so circulation realizes the spontaneous heating effect, not only obtains adequate heat in the proving room, and solid materials constantly decomposes and makes the fermented liquid surface be difficult to generate caking, ensures that biogas can normally shed; The methane-generating pit of structure of the present invention can both normally use in throughout the year, and fermented liquid surface prevented from caking in the use, need not to install whipping appts or countercheck rod, simple in structure, easy to use, with low cost, not only being adapted at the rural area installs on a large scale and builds, it is convenient in the reconstruction and the reconstruction of waste and old methane-generating pit also to be suitable for structure applications of the present invention, and practicality is good.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an A portion enlarged view among Fig. 1;
Fig. 3 is a B portion enlarged view among Fig. 1;
Fig. 4 is a C portion enlarged view among Fig. 1.
Embodiment
Fig. 1 is a structural representation of the present invention; Fig. 2 is an A portion enlarged view among Fig. 1; Fig. 3 is a B portion enlarged view among Fig. 1; Fig. 4 is a C portion enlarged view among Fig. 1.
As shown in the figure:
The self-heating methane tank of present embodiment, comprise proving room 1, proving room is provided with material inlet 2, material outlet 3 and methane outlet 4, and material inlet 2 is sealedly connected with feed-pipe 21, in the present embodiment, feed-pipe make by the PVC material and cross section be the diameter circle that is not less than 200mm (certainly, for the ease of gathering materials on the spot, the also available fragment of brick of feed-pipe is piled up and is formed), the feed-pipe outlet extends in the fermented liquid 5 of proving room, be horizontally disposed with cone 6 in the proving room, the fermented liquid liquid level is not less than facies basialis pyramidis; During use, the inner biogas that produces of fermentation materials, the biogas come-up is overflowed liquid level, solid materials is subjected to biogas to promote to float on the surface of fermented liquid and draws close to cone, under buoyancy function, the part solid materials constantly rises and accumulation along the cone prism, beginning release of heat and fermentation under microbial process after the material of piling up on the cone reaches certain thickness, material on the cone decomposes and falls in the fermented liquid, all the other solid materialss on fermented liquid surface are or else disconnected to be piled up on cone, release of heat and fermentation once again then, so circulation realizes the spontaneous heating effect, not only obtains adequate heat in the proving room, and solid materials constantly decomposes and makes the fermented liquid surface be difficult to generate caking, ensures that biogas can normally shed.Described cone cross section can be shapes such as circle, Polygons.
Further improvement as previous embodiment, the proving room inner roof wall is covered with etching resistant film I 71, the proving room inner side-wall is covered with etching resistant film II 81, and etching resistant film I 71 is tightly connected with etching resistant film II 81 and forms the overlay film that can cover proving room inner roof wall and inner side-wall; Described being tightly connected can be realized by the tamanori bonding mode; Methane outlet is sealedly connected with the escape pipe 9 that runs through overlay film and be communicated with the proving room inner chamber, in the present embodiment, the feed-pipe outlet is stretched in the fermented liquid between etching resistant film II and proving room sidewall, the base of etching resistant film II is higher than the fermented liquid liquid level, avoids film II bottom to immerse in the fermented liquid back and blocks feed-pipe with the fermented liquid swing and export; Because of traditional cement methane-generating pit, biomass pool built from glass fiber reinforced plastic after using several years, pool wall generally all can produce tiny crackle, and resistance to air loss reduces and even can't use, and the biogas pool wall of structure of the present invention increases and covers etching resistant film, block the space on the proving room locular wall, improve the proving room obturation effect.
Further improvement as previous embodiment, among the present invention, corresponding with the proving room inner roof wall parallel near being provided with roof support 7, corresponding with the proving room inner side-wall parallel near being provided with sidewall support 8, etching resistant film I 71 is held between inner roof wall and the roof support, etching resistant film II 81 be held on inner side-wall and and the inner side-wall support between, biogas pressure raises in proving room, etching resistant film is close to the proving room upper inner wall under biogas pressure, when biogas pressure reduces, overlay film is indulged on the support, and is simple in structure, is easy to realize, be not only applicable to newly-built methane-generating pit, also can on existing methane-generating pit basis, reconstruct with suiting measures to local conditions, and need not to build in addition Xin Chi, reduce cost.Roof support and sidewall support all adopt wood materials to make, sulfur corrosion resistant effective.Overlay film can be one or more layers, and etching resistant film I and etching resistant film II all can be any of PVC film, HDPE film, EVA film or PE film.
As the further improvement of previous embodiment, one is made and formed to described etching resistant film I and etching resistant film II by the PVC film, be convenient to processing and use, and cost is low.
Further improvement as previous embodiment, described roof support 7 and sidewall support 8 become by Ailanthus altissima is wooden, installing/dismounting and replacing are convenient, corrosion resistance nature is better, and described cone is made by corrosion-resistant plastic, and light weight also is convenient to processing and application, cone is a cone, be convenient to the absorption and the accumulation of solid materials, certainly, roof support and sidewall support are built into equally by cement can realize purpose of the present invention.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. self-heating methane tank, comprise proving room (1), proving room is provided with material inlet (2), material outlet (3) and methane outlet (4), material inlet is sealedly connected with feed-pipe (21), the feed-pipe outlet extends in the fermented liquid of proving room, it is characterized in that: be horizontally disposed with cone (6) in the proving room, the fermented liquid liquid level is not less than facies basialis pyramidis and is not higher than pyramid tip.
2. self-heating methane tank according to claim 1, it is characterized in that: the proving room inner roof wall is covered with etching resistant film I (71), the proving room inner side-wall is covered with etching resistant film II (81), and etching resistant film I (71) is tightly connected with etching resistant film II (81) and forms the overlay film that can cover proving room inner roof wall and inner side-wall; Methane outlet is sealedly connected with the escape pipe (9) that runs through overlay film and be communicated with the proving room inner chamber.
3. self-heating methane tank according to claim 2, it is characterized in that: corresponding with the proving room inner roof wall parallel near being provided with the roof support, corresponding with the proving room inner side-wall parallel near being provided with the sidewall support, etching resistant film I (71) is held between inner roof wall and the roof support, etching resistant film II (81) be held on inner side-wall and and the inner side-wall support between.
4. self-heating methane tank according to claim 1 and 2 is characterized in that: described etching resistant film I (71) is the PVC film and makes one with etching resistant film II (81).
5. self-heating methane tank according to claim 3 is characterized in that: described film frame is made by Chinese toon trees or cement material, and described cone is cone and is made by corrosion-resistant plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877807A CN101845388B (en) | 2010-05-31 | 2010-05-31 | Self-heating methane tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877807A CN101845388B (en) | 2010-05-31 | 2010-05-31 | Self-heating methane tank |
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| Publication Number | Publication Date |
|---|---|
| CN101845388A true CN101845388A (en) | 2010-09-29 |
| CN101845388B CN101845388B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101877807A Expired - Fee Related CN101845388B (en) | 2010-05-31 | 2010-05-31 | Self-heating methane tank |
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| Country | Link |
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| CN (1) | CN101845388B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888258A (en) * | 2012-10-30 | 2013-01-23 | 世纪国宏新能源科技（北京）有限公司 | Power enhancing agent of fuel |
| WO2018229340A1 (en) * | 2017-06-13 | 2018-12-20 | Demeca Oy | A biogas reactor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180136Y (en) * | 2008-07-11 | 2009-01-14 | 张铁耀 | Top-press type biogas generating pit of full glass fibre reinforced plastics |
| CN201737935U (en) * | 2010-05-31 | 2011-02-09 | 金海� | Self-heating methane tank |
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2010
- 2010-05-31 CN CN2010101877807A patent/CN101845388B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180136Y (en) * | 2008-07-11 | 2009-01-14 | 张铁耀 | Top-press type biogas generating pit of full glass fibre reinforced plastics |
| CN201737935U (en) * | 2010-05-31 | 2011-02-09 | 金海� | Self-heating methane tank |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888258A (en) * | 2012-10-30 | 2013-01-23 | 世纪国宏新能源科技（北京）有限公司 | Power enhancing agent of fuel |
| CN102888258B (en) * | 2012-10-30 | 2014-09-10 | 世纪国宏新能源科技（北京）有限公司 | Power enhancing agent of fuel |
| WO2018229340A1 (en) * | 2017-06-13 | 2018-12-20 | Demeca Oy | A biogas reactor |
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| Publication number | Publication date |
|---|---|
| CN101845388B (en) | 2013-01-23 |
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Granted publication date: 20130123 Termination date: 20150531 |
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