CN102864072A - Methane-generating pit - Google Patents
Methane-generating pit Download PDFInfo
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- CN102864072A CN102864072A CN2012102759154A CN201210275915A CN102864072A CN 102864072 A CN102864072 A CN 102864072A CN 2012102759154 A CN2012102759154 A CN 2012102759154A CN 201210275915 A CN201210275915 A CN 201210275915A CN 102864072 A CN102864072 A CN 102864072A
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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
- C12M23/20—Material Coatings
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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
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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 invention discloses a methane-generating pit. A pit body of the methane-generating pit comprises an impermeable layer, an inner layer, an outer layer and a heat preserving layer, wherein a space of which the top is provided with an opening is formed in each of the inner layer and the outer layer; the inner layer and the outer layer are sealed relatively; the impermeable layer is fixed on the entire inner wall of the inner layer; and the heat preserving layer is positioned at the bottom of the pit body of the methane-generating pit and/or between the inner layer and the outer layer on a side wall. Compared with the prior art, the methane-generating pit provided by the embodiment of the invention has the advantages that the heat preserving layer is arranged in the inner wall of the methane-generating pit, so that the temperature diffusing speed of the methane-generating pit can be lowered, the heat preserving effect is improved, fermentation is facilitated, and the methane generating speed and efficiency are increased.
Description
Technical field
The application relates to the biogas technology field, particularly relates to a kind of methane-generating pit.
Background technology
Biogas is as a kind of new clean energy, can be widely used in China rural area, it is to utilize the discarded stalk of farm crop to produce biogas as the energy through fermentation, be used for cooking, heat up water, illumination etc., can save a large amount of fire coals, fuel oil and faggot etc., and can improve environment, thermo-efficiency is high, to be paid attention to by relevant department.
Because temperature influence is larger when fermentation, so the gas production rate of existing methane-generating pit all changes along with seasonal variation, only the feed liquid in (general temperature is greater than 15 ℃ the time) methane-generating pit could normal output biogas when temperature is higher.And when temperature is lower than certain temperature (generally below 15 ℃ time), especially when winter, be in the methane-generating pit in the frozen soil layer, fermenting speed is slower, usually 3 talentes can aerogenesis after feeding intake, aerogenesis speed and efficient are lower, can not normal gas producing, cause follow-up biogas utilization to carry out, thereby limited promoting the use of of biogas.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of methane-generating pit, has insulation construction, to solve the problem that methane-generating pit can not normal gas producing when the low temperature.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of methane-generating pit, the pond body of this methane-generating pit comprises: impervious barrier, internal layer, skin and thermal insulation layer, wherein:
Mutually sealing between the described internal layer and outer all form the space that a top is provided with opening, described internal layer and skin, described impervious barrier is fixed on the whole inwall of described internal layer;
Described thermal insulation layer is shown in the bottom of described methane tank body and/or the sidewall locations between internal layer and the skin.
Preferably, described internal layer, skin are any one in concrete layer and the frp layer.
Preferably, be provided with the space between described thermal insulation layer and internal layer, the skin.
Preferably, institute's thermal insulation layer is polyphenylene heat insulation slab.
Preferably, this methane tank body further comprises: heat coil pipe and recycle pump, wherein:
Described heating between the thermal insulation layer and internal layer that coil pipe is arranged on the bottom of described methane tank body and/or sidewall locations;
Described recycle pump is connected with a described end that heats coil pipe, and hot water is pumped into described heating in the coil pipe.
Preferably, be positioned at the described coil winding that heats on the described methane-generating pit sidewall on described methane-generating pit inner layer outer wall.
Preferably, the described coil pipe that heats that is positioned on the described methane-generating pit sidewall arranges in the mode of twining described methane-generating pit internal layer.
Preferably, the water-in of described recycle pump is connected with the solar water water outlet, perhaps is connected with the underground heat hot water outlet.
By above technical scheme as seen, be provided with thermal insulation layer in this methane-generating pit inwall that the embodiment of the present application provides, so just can reduce methane-generating pit temperature velocity of diffusion, improve heat insulation effect, be conducive to fermentation, improve aerogenesis speed and efficient.
In addition, in this methane-generating pit inwall, can also be provided with and heat coil pipe, and when the temperature of feed liquid in the methane-generating pit is hanged down, can control the hot water that heats in the coil pipe circulates, and then so that this methane-generating pit outside having the function of insulation, can also have the function of heating, both cooperatively interact so that the feed liquid in the methane-generating pit is in suitable leavening temperature, improve aerogenesis speed and efficient.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of methane-generating pit that Fig. 1 provides for the embodiment of the present application;
The structural representation of the another kind of methane-generating pit that Fig. 2 provides for the embodiment of the present application.
Embodiment
In order to make those skilled in the art person understand better technical scheme among the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
The structural representation of a kind of methane-generating pit that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1,1 is the pond body of methane-generating pit among the figure, and in the embodiment of the present application, methane tank body 1 comprises: internal layer 2, skin 3, thermal insulation layer 4 and impervious barrier 5, wherein: impervious barrier 5, internal layer 2, thermal insulation layer 4 and outer 3 distribute from inside to outside successively.
Internal layer 2 and outer 3 is encircled into the space that a top is provided with opening, and as shown in Figure 1, opening is 6, can be provided with gas output device on the opening 6, is used for the biogas of methane tank body 1 interior generation is exported to the user.Mutually sealing between the internal layer 2 and outer 3 namely is provided with the space between internal layer 2 and outer 3.In the embodiment of the present application, according to different build process, internal layer 2, outer 3 can be selected any one in concrete layer and the frp layer, concrete layer can be poured into a mould at the construction field (site), and frp layer can realize making typing in factory, but usually in reality is built, internal layer 2 and outer 3 common selection commaterial.
Impervious barrier 5 is positioned on the inwall of internal layer 2, the effect of impervious barrier 5 is to prevent that the natural pond liquid of depositing in the methane tank body 1 from oozing out, and not only can affect the gas generation process of biogas after natural pond liquid oozes out, and if in winter, natural pond liquid oozes out and laggardly enters in the soil to form frozen soil layer, and methane tank body 1 is damaged.In the embodiment of the present application, impervious barrier 4 can be the water-proof coating of field-applied on internal layer 2 inwalls.
As shown in Figure 1, in the crack of thermal insulation layer 4 between internal layer 2 and outer 3, and the position of thermal insulation layer 4 can be arranged in the bottom of methane tank body, also can be arranged in the sidewall of methane tank body, in addition, also can be arranged in simultaneously bottom and the sidewall of methane tank body.And as shown in Figure 1, in the embodiment of the present application, in order to improve the heat insulation effect of thermal insulation layer 4, be provided with the space between thermal insulation layer 4 and the internal layer 2, outer 3, be filled with air in the space, can between thermal insulation layer 4 and internal layer 2, outer 3, all form gas cloud like this, improved heat insulation effect.Aforementionedly being provided with the space between thermal insulation layer 4 and internal layer 2, outer 3, only is the application's a preferred embodiment, considers the difficulty problem of building this methane tank body, can also make between thermal insulation layer 4 and internal layer 2, the skin 3 to contact.
In addition, the material of thermal insulation layer 4 can be selected the macromolecular material with effect of heat insulation, such as: polymer polyphenyl plate etc.And as required, in other embodiment of the application, can also in the top of methane tank body, also thermal insulation layer can be set.
Compared with prior art, be provided with thermal insulation layer in this methane-generating pit inwall that the embodiment of the present application provides, so just can reduce methane-generating pit temperature velocity of diffusion, improve heat insulation effect, be conducive to fermentation, improve aerogenesis speed and efficient.
Embodiment two:
In a upper embodiment, in methane-generating pit, be provided with warming plate, to reduce temperature velocity of diffusion in the pond, but this prerequisite is that the temperature in the pond is higher, and when being positioned at winter, the temperature of natural pond liquid self is just lower in the pond, uses separately this moment so warming plate also can't guarantee the temperature of the natural pond liquid of methane-generating pit.For this reason, the embodiment of the present application also provides another kind of methane-generating pit.
As shown in Figure 2, on the basis of embodiment one, this methane tank body can also comprise: heat coil pipe 7 and recycle pump 8, wherein:
Heat between thermal insulation layer 4 that coil pipe 7 can be arranged on methane tank body bottom and the internal layer 2 (as shown in Figure 2), also can be arranged between the thermal insulation layer 4 and internal layer 2 of methane tank body sidewall, certain, can also arrange simultaneously in these two positions.Recycle pump 8 is connected with an end that heats coil pipe 7, is pumped into for the water that temperature is higher to heat in the coil pipe 7, and the natural pond liquid in the methane tank body 1 is heated.
When reality was used, the water-in of recycle pump 8 can be connected with the water outlet of solar water, also can be connected with the mouth of a river of blowing of earth source heat pump, namely can use sun power or underground heat that the natural pond liquid in the methane tank body 1 is heated.In addition, when the user does not have above-mentioned sun power and Geothermal Conditions, can also obtain hot water by alternate manner, and hot water is pumped into heats in the coil pipe 7, the natural pond liquid in the methane tank body 1 is heated.
In the embodiment of the present application, in this methane-generating pit inwall, can also be provided with and heat coil pipe, and when the temperature of feed liquid in the methane-generating pit is hanged down, can control the hot water that heats in the coil pipe circulates, and then so that this methane-generating pit outside having the function of insulation, can also have the function of heating, both cooperatively interact so that the feed liquid in the methane-generating pit is in suitable leavening temperature, improve aerogenesis speed and efficient.
The above only is the application's preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be apparent to one skilled in the art, and General Principle as defined herein can in the situation of the spirit or scope that do not break away from the application, realize in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a methane-generating pit is characterized in that, the pond body of this methane-generating pit comprises: impervious barrier, internal layer, skin and thermal insulation layer, wherein:
Mutually sealing between the described internal layer and outer all form the space that a top is provided with opening, described internal layer and skin, described impervious barrier is fixed on the whole inwall of described internal layer;
Described thermal insulation layer is shown in the bottom of described methane tank body and/or the sidewall locations between internal layer and the skin.
2. methane-generating pit according to claim 1 is characterized in that, described internal layer, skin are any one in concrete layer and the frp layer.
3. methane-generating pit according to claim 1 is characterized in that, is provided with the space between described thermal insulation layer and internal layer, the skin.
4. methane-generating pit according to claim 3 is characterized in that, institute's thermal insulation layer is polyphenylene heat insulation slab.
5. methane-generating pit according to claim 1 is characterized in that, further comprises: heat coil pipe and recycle pump, wherein:
Described heating between the thermal insulation layer and internal layer that coil pipe is arranged on the bottom of described methane tank body and/or sidewall locations;
Described recycle pump is connected with a described end that heats coil pipe, and hot water is pumped into described heating in the coil pipe.
6. methane-generating pit according to claim 5 is characterized in that, the described coil pipe that heats that is positioned at described methane-generating pit bottom arranges in a spiral manner.
7. methane-generating pit according to claim 5 is characterized in that, is positioned at the described coil winding that heats on the described methane-generating pit sidewall on described methane-generating pit inner layer outer wall.
8. according to claim 6 or 7 described methane-generating pits, it is characterized in that, the water-in of described recycle pump is connected with the solar water water outlet, perhaps is connected with the underground heat hot water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102759154A CN102864072A (en) | 2012-08-03 | 2012-08-03 | Methane-generating pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102759154A CN102864072A (en) | 2012-08-03 | 2012-08-03 | Methane-generating pit |
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| Publication Number | Publication Date |
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| CN102864072A true CN102864072A (en) | 2013-01-09 |
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| CN2012102759154A Pending CN102864072A (en) | 2012-08-03 | 2012-08-03 | Methane-generating pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
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| CN101024812A (en) * | 2007-04-02 | 2007-08-29 | 王择霖 | Cold-area heat-insulation type marsh gas generator |
| CN201040753Y (en) * | 2007-05-29 | 2008-03-26 | 王洪凯 | Methane fermentation pool cover and square methane tank |
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| CN201665678U (en) * | 2009-05-26 | 2010-12-08 | 吴向军 | Four-season type solar-energy methane generator |
| CN201842845U (en) * | 2010-11-03 | 2011-05-25 | 赖泽民 | Air heat insulation and preservation methane tank |
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
| CN202912950U (en) * | 2012-08-03 | 2013-05-01 | 北京奇迪惠民科技投资有限公司 | Biogas digester |
-
2012
- 2012-08-03 CN CN2012102759154A patent/CN102864072A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024812A (en) * | 2007-04-02 | 2007-08-29 | 王择霖 | Cold-area heat-insulation type marsh gas generator |
| CN201040753Y (en) * | 2007-05-29 | 2008-03-26 | 王洪凯 | Methane fermentation pool cover and square methane tank |
| CN201362716Y (en) * | 2009-03-17 | 2009-12-16 | 重庆市农业科学院农业工程研究所 | Solar energy temperature raising and heat insulation biogas generating pit |
| CN201665678U (en) * | 2009-05-26 | 2010-12-08 | 吴向军 | Four-season type solar-energy methane generator |
| CN201842845U (en) * | 2010-11-03 | 2011-05-25 | 赖泽民 | Air heat insulation and preservation methane tank |
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
| CN202912950U (en) * | 2012-08-03 | 2013-05-01 | 北京奇迪惠民科技投资有限公司 | Biogas digester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864071A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Methane tank |
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Application publication date: 20130109 |