CN101381760A - Method for enabling household biogas pool to normally produce biogas in winter - Google Patents
Method for enabling household biogas pool to normally produce biogas in winter Download PDFInfo
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- CN101381760A CN101381760A CNA2008101580013A CN200810158001A CN101381760A CN 101381760 A CN101381760 A CN 101381760A CN A2008101580013 A CNA2008101580013 A CN A2008101580013A CN 200810158001 A CN200810158001 A CN 200810158001A CN 101381760 A CN101381760 A CN 101381760A
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- methane
- generating pit
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- tank
- bacillus
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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 relates to a method for making a household methane tank normally generate gas in winter, which mainly comprises two steps: firstly, simple and easy cold-proof measures are taken for the established methane tank, or a novel low temperature resistant methane tank is established, or the methane tank is established underground indoors and the ground temperature is utilized to make the temperature of a feed liquor in the tank reach more than 9 DEG C; and secondly, a low-temperature methane production microbial agent is added into the methane tank. The average methane production amount per day of the 10 cubic meter methane tank which takes feces as a raw material is improved by about 40 to 60 percent compared with a contrast tank within 3 months in winter; and the average methane production amount per day of the 10 cubic meter methane tank which takes straws as the raw material is improved by 30 to 50 percent compared with the contrast tank.
Description
Technical field
The present invention relates to a kind of method that makes domestic methane tank normal gas producing in winter, mainly can solve northern domestic methane tank aerogenesis in winter problem, belong to the domestic methane tank technical field.
Background technology
Under the theory of Sustainable development, as main direction, agriculture, rural areas and farmers are shown great attention in the rural area and " ecological rich people's engineering " builds energy-saving and emission-reduction in the Chinese government.The production and use of marsh gas become that the rural ecological home is built, the new socialist countryside is built, realized the important tie of agricultural resource recycle and energy-saving and emission-reduction, with the Economic development of whole rural society close getting in touch arranged.But what the domestic methane tank of promoting owing to present China big area almost all adopted is the normal temperature fermentation pattern, the aerogenesis situation of methane-generating pit is acted upon by temperature changes very big, and the northern area winter temperature is lower, a lot of domestic methane tanks all stop aerogenesis, that have even be damaged by frost, seriously limited popularizing and development of northern area methane-generating pit.
Domestic domestic methane tank generally is that the insulation of surviving the winter of taking some can improve domestic methane tank factor of created gase in winter and performance comprehensive benefit heats measure at present, mainly comprises:
1, heliogreenhouse, the warm house of raising pigs, lavatory, methane-generating pit " quaternity " pattern;
2, the general employing in the north dug the winter protection ditch, and the mode of filling out fermented product in the ditch is incubated methane-generating pit for farm household;
3, regulate the fermentation raw material proportioning, improve the foodstuff structure of microorganism;
4, aspect use and management, accomplish diligent discharging, diligent charging, each input and output material amount will be lacked, and some hot raw materials will be suitably added in charging, as through the crop material of macerating system, cow dung, horsehit etc., to improve fermented product concentration, the method for taking to mend temperature with material heats up to the methane-generating pit feed liquid.
Though above-mentioned measure has some effects, but still be difficult to satisfy the demand, be difficult to realize domestic methane tank normal gas producing in winter.
Be exactly to utilize sun power that methane-generating pit is heated up in addition; as the number of applying for a patent is to disclose a kind of utility model solar-energy methane pit in 200720116010.7 " the solar-energy methane pit double combination warmhouse booths "; the natural light heat loss that this utility model has overcome sun power can not be incubated the shortcoming of utilization; can well absorb and preserve the natural light and heat that utilizes sun power; the photo-thermal of protection sun power is difficult for distributing loss, thereby has protected the methane-generating pit normal gas producing in winter in the warmhouse booth.But price is too high, and peasant household can't accept.Number of patent application is to have introduced a kind of biogas generator that has whipping appts in 971253234 " marsh gas generation new method and the marsh gas fast generators thereof ", and this container has insulation and autohemagglutination hot merit energy, but more complicated.Yet there are no the report of better methane-generating pit overwintering technology.
Summary of the invention
At the problem that present northern country domestic methane tank can't be survived the winter, the invention provides a kind of domestic methane tank overwintering technology.
Summary of the invention
The invention provides a kind of method that makes domestic methane tank normal gas producing in winter, be called for short domestic methane tank two and go on foot the method for surviving the winter, the first step is taked stalks mulching or is added the easy warming measure of brooder the methane-generating pit of having built, perhaps newly-built low temperature resistant methane-generating pit, perhaps methane-generating pit is built in indoor underground, utilize ground temperature to make that feed temperature reaches more than 9 ℃ in the pond, second step added the low-temperature production of biogas microbiobacterial agent in methane-generating pit, can overcome the methane-generating pit that exists in the prior art few even anaerogenic technical barrier of aerogenesis in the winter time effectively.Adopting the methane-generating pit for farm household of this method, in the winter time 3 months, is the 10m of raw material with ight soil
3The comparison of methane-generating pit average every day of gas production rate improves about 40-60% according to the pond, is the 10m of raw material with the stalk
3The comparison of methane-generating pit average every day of gas production rate improves 30-50% according to the pond.
Detailed Description Of The Invention
A kind of method that makes domestic methane tank normal gas producing in winter is carried out in two steps, and step is as follows:
The first step: before going into the winter methane-generating pit of having built taked stalks mulching or add the simple and easy warming measure of brooder, perhaps newly-built low temperature resistant methane-generating pit is perhaps built methane-generating pit in indoor undergroundly, makes that feed temperature reaches more than 9 ℃ in the pond;
Second step: in methane-generating pit, add the low-temperature production of biogas microbiobacterial agent, described low-temperature production of biogas microbiobacterial agent, fermented liquid by Pseudomonas fluorescens (Pseudomonas fluorescens), wax bacillus (Bacillus cereus), Bacillus subtillis (Bacillus subtilis) and four kinds of bacterium of bacillus circulans (Bacillus circulans) is formed by following weight part: Pseudomonas fluorescens liquid 7-16 part, wax bacillus liquid 5-8 part, Bacillus subtillis liquid 6-11 part, bacillus circulans liquid 5-9 part.
More than four kinds of bacterium buy by DSMZ, adopt the ordinary method fermentative preparation, living bacteria count is respectively all more than 1,000,000,000/milliliter in the fermented liquid.
Described construction of marsh gas tank is taked in the simple and easy warming measure, taking stalks mulching is to cover the exsiccant maize straw above the construction of marsh gas tank or/and wheat stalk; Described interpolation brooder is to build the small plastic brooder above methane-generating pit.
Described low temperature resistant methane-generating pit, wherein biogas pool wall shell is formed main stressed supporting body by masonry and concrete, and the methane-generating pit inwall is formed thermal insulator by lagging material, blocks the inside and outside heat exchange of methane-generating pit, reaches the purpose of insulation.Wherein lagging material is not concrete limits, the user can be according to the difference of their location weather, select different lagging materials and respective thickness, cavernous material such as lagging material such as waste foam and slag can be as the lagging material utilization, also have the particle plastic garbage of pulverizing, also can be used as lagging material and use.Can be with reference to the disclosed novel low temperature resistant ferment biomass pool of CN201071366.
Method of the present invention is adapted to middle-size and small-size methane-generating pit, is particularly suitable for the methane-generating pit that 6～100 cubic metres of ponds hold.
Be not particularly limited in the method for the present invention, select to get final product by this area routine techniques
The inventive method compared with prior art excellent results is as follows:
1, method domestic methane tank of the present invention " two go on foot the method for surviving the winter ", determined that the inner feed temperature of made methane-generating pit that the first step takes reaches the measure more than 9 ℃, determined the using method of the second step low-temperature production of biogas microbiobacterial agent, by the methane-generating pit for farm household verification experimental verification, this technology have using method simple, advantage such as be easy to popularize, easily adopted or promote by peasant household.
2, method domestic methane tank of the present invention " two go on foot the method for surviving the winter " in the winter time 3 months, is the 10m of raw material with ight soil
3The comparison of methane-generating pit average every day of gas production rate improves about 40-60% according to the pond, is the 10m of raw material with the stalk
3The comparison of methane-generating pit average every day of gas production rate improves 30-50% according to the pond.
3, method domestic methane tank of the present invention " two go on foot the method for surviving the winter " can make domestic methane tank normal gas producing in winter.Because methane-generating pit can use throughout the year, and the each household coal consumption of living that on average can save three to four months every year, saved spending, made things convenient for life, improve the wide farmers construction of marsh gas tank and with the enthusiasm of biogas, thereby promoted the sound development of biogas construction.
Embodiment
The present invention will be further described below in conjunction with embodiment, among the embodiment not in detail the explanation all by state of the art.The low-temperature production of biogas microbiobacterial agent that uses among the embodiment is to be made up of by following weight part the fermented liquid of Pseudomonas fluorescens (Pseudomonasfluorescens), wax bacillus (Bacillus cereus), Bacillus subtillis (Bacillus subtilis) and four kinds of bacterium of bacillus circulans (Bacillus circulans):
Pseudomonas fluorescens liquid 7-16 part, wax bacillus liquid 5-8 part, Bacillus subtillis liquid 6-11 part, bacillus circulans liquid 5-9 part.
More than four kinds of bacterium buy by DSMZ, adopt the ordinary method fermentative preparation, living bacteria count is respectively all more than 1,000,000,000/milliliter in the fermented liquid.
Embodiment 1:10m
3Domestic methane tank temperature on average in winter is to adopt two to go on foot the method for surviving the winter under 6 ℃ of left and right sides conditions
Concrete grammar is as follows:
(1) for the methane-generating pit for farm household of building outdoor and normal gas producing in:
In early November, open the methane-generating pit opening for feed, after 300mL low-temperature production of biogas microbiobacterial agent injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed, get natural pond liquid from water pressure house and pour opening for feed for 10 barrels, promote fermented liquid thorough mixing in low-temperature production of biogas microbiobacterial agent and the methane-generating pit, and seal methane-generating pit opening for feed Chi Gai.Get dried maize straw or wheat stalk, be tiled in above the methane-generating pit of having built, the about 30cm of thickness is incubated methane-generating pit.Methane-generating pit gets final product normal gas producing in the winter time.
(2) for the methane-generating pit for farm household of building indoor underground and normal gas producing in:
In early November, open the methane-generating pit opening for feed, 300mL low-temperature production of biogas microbiobacterial agent is injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed after, pour opening for feed for 10 barrels in the indirect natural pond of hydraulic pressure liquid, promote microbial inoculum and fermented liquid thorough mixing, seal methane-generating pit opening for feed Chi Gai.Methane-generating pit gets final product normal gas producing in the winter time.
Embodiment 2:10m
3Domestic methane tank temperature on average in winter is to adopt two to go on foot the method for surviving the winter under 0 ℃ of left and right sides condition
(1) built the methane-generating pit for farm household of outdoor and normal gas producing in:
Mid-October, open the methane-generating pit opening for feed, add 400mL low-temperature production of biogas microbiobacterial agent.After the low-temperature production of biogas microbiobacterial agent injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed, pour opening for feed for 10 barrels, promote the interior fermented liquid thorough mixing of microbiobacterial agent and methane-generating pit, seal methane-generating pit opening for feed Chi Gai in the indirect natural pond of hydraulic pressure liquid.Get exsiccant maize straw or wheat stalk, be tiled in above the methane-generating pit of having built, the about 50cm of thickness is incubated methane-generating pit, makes that feed temperature reaches more than 9 ℃ in the pond; Methane-generating pit gets final product normal gas producing in the winter time.
(2) built the methane-generating pit for farm household of indoor and normal gas producing in:
Directly adding the low-temperature production of biogas microbiobacterial agent gets final product.Mid-October, open the methane-generating pit opening for feed, after 400mL low-temperature production of biogas microbiobacterial agent injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed, pour opening for feed for 10 barrels in the indirect natural pond of hydraulic pressure liquid, promote microbial inoculum and fermented liquid thorough mixing, seal methane-generating pit opening for feed Chi Gai, make that feed temperature reaches more than 9 ℃ in the pond; Methane-generating pit gets final product normal gas producing in the winter time.
Embodiment 3:10m
3Domestic methane tank temperature on average in winter is for adopting two to go on foot the method for surviving the winter under-8 ℃ of left and right sides conditions
(1) built the methane-generating pit for farm household of outdoor and normal gas producing in:
Mid-October, open the methane-generating pit opening for feed, add 400mL low-temperature production of biogas microbiobacterial agent.After the low-temperature production of biogas microbiobacterial agent injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed, pour opening for feed for 10 barrels, promote microbial inoculum and fermented liquid thorough mixing, seal methane-generating pit opening for feed Chi Gai in the indirect natural pond of hydraulic pressure liquid.Get dried maize straw or wheat stalk, be tiled in above the methane-generating pit of having built, the about 50cm of thickness is incubated methane-generating pit.Make that feed temperature reaches more than 9 ℃ in the pond.Methane-generating pit gets final product normal gas producing in the winter time.
(2) built the methane-generating pit for farm household of indoor and normal gas producing in:
Directly adding the low-temperature production of biogas microbiobacterial agent gets final product, mid-October, open the methane-generating pit opening for feed, after 400mL low-temperature production of biogas microbiobacterial agent injected inside, methane-generating pit master pond with long tube from the methane-generating pit opening for feed, pour opening for feed for 10 barrels in the indirect natural pond of hydraulic pressure liquid, promote microbial inoculum and fermented liquid thorough mixing, seal methane-generating pit opening for feed Chi Gai.Make that feed temperature reaches more than 9 ℃ in the pond; Methane-generating pit gets final product normal gas producing in the winter time.
(3) methane-generating pit indoor, that building is built in plan in:
Methane-generating pit is built up low temperature resistant methane-generating pit, go into to add fermentation raw material and inoculum before the winter, methane-generating pit is normally started.In early October, open the methane-generating pit opening for feed, add 400mL low-temperature production of biogas microbiobacterial agent, seal methane-generating pit opening for feed Chi Gai.Make that feed temperature reaches more than 9 ℃ in the pond; Methane-generating pit gets final product normal gas producing in the winter time.
(4) methane-generating pit outdoor, that building is built in plan in:
Methane-generating pit is built up low temperature resistant methane-generating pit.Add fermentation raw material and inoculum before going into the winter, methane-generating pit is normally started.Above methane-generating pit, build brooder.In early October, open the methane-generating pit opening for feed, add 400mL low-temperature production of biogas microbiobacterial agent, seal methane-generating pit opening for feed Chi Gai.Get dried maize straw or wheat stalk, be tiled in above the methane-generating pit of having built, the about 30cm of thickness is incubated methane-generating pit.Make that feed temperature reaches more than 9 ℃ in the pond; Methane-generating pit gets final product normal gas producing in the winter time.
Claims (5)
1, a kind of method that makes domestic methane tank normal gas producing in winter is characterized in that step is as follows:
(1) before going into the winter methane-generating pit of having built taked stalks mulching or add the simple and easy warming measure of brooder, perhaps newly-built low temperature resistant methane-generating pit is perhaps built methane-generating pit in indoor undergroundly, makes that feed temperature reaches more than 9 ℃ in the pond;
(2) in methane-generating pit, add the low-temperature production of biogas microbiobacterial agent, described low-temperature production of biogas microbiobacterial agent, fermented liquid by Pseudomonas fluorescens (Pseudomonas fluorescens), wax bacillus (Bacillus cereus), Bacillus subtillis (Bacillus subtilis) and four kinds of bacterium of bacillus circulans (Bacillus circulans) is formed by following weight part: Pseudomonas fluorescens liquid 7-16 part, wax bacillus liquid 5-8 part, Bacillus subtillis liquid 6-11 part, bacillus circulans liquid 5-9 part.
2, the method that makes domestic methane tank normal gas producing in winter as claimed in claim 1 is characterized in that, described construction of marsh gas tank is taked in the simple and easy warming measure, and taking stalks mulching is to cover corn stalk above the construction of marsh gas tank or/and the dry stalk of wheat straw; Described interpolation brooder is to build the small plastic brooder above methane-generating pit.
3, the method that makes domestic methane tank normal gas producing in winter as claimed in claim 1, it is characterized in that, described low temperature resistant methane-generating pit, wherein biogas pool wall shell is formed main stressed supporting body by masonry and concrete, and the methane-generating pit inwall is formed thermal insulator by lagging material.
4, the method that makes domestic methane tank normal gas producing in winter as claimed in claim 3 is characterized in that, described low temperature resistant methane-generating pit, and wherein lagging material is selected from the particle plastic garbage of waste foam, slag or pulverizing.
5, the method that makes domestic methane tank normal gas producing in winter as claimed in claim 1 is characterized in that, described methane-generating pit is the methane-generating pit that 6～100 cubic metres of ponds hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101580013A CN101381760A (en) | 2008-10-17 | 2008-10-17 | Method for enabling household biogas pool to normally produce biogas in winter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101580013A CN101381760A (en) | 2008-10-17 | 2008-10-17 | Method for enabling household biogas pool to normally produce biogas in winter |
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| Publication Number | Publication Date |
|---|---|
| CN101381760A true CN101381760A (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101580013A Pending CN101381760A (en) | 2008-10-17 | 2008-10-17 | Method for enabling household biogas pool to normally produce biogas in winter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876618A (en) * | 2012-10-22 | 2013-01-16 | 新疆农业科学院微生物应用研究所 | Solid composite accelerant for low-temperature methane and preparation method thereof |
| CN104876658A (en) * | 2015-05-26 | 2015-09-02 | 东北农业大学 | Biological energy source heat preservation method for fermentation of organic wastes in winter |
-
2008
- 2008-10-17 CN CNA2008101580013A patent/CN101381760A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876618A (en) * | 2012-10-22 | 2013-01-16 | 新疆农业科学院微生物应用研究所 | Solid composite accelerant for low-temperature methane and preparation method thereof |
| CN102876618B (en) * | 2012-10-22 | 2014-12-17 | 新疆农业科学院微生物应用研究所 | Solid composite accelerant for low-temperature methane and preparation method thereof |
| CN104876658A (en) * | 2015-05-26 | 2015-09-02 | 东北农业大学 | Biological energy source heat preservation method for fermentation of organic wastes in winter |
| CN104876658B (en) * | 2015-05-26 | 2017-12-01 | 东北农业大学 | A kind of bioenergy heat preserving method of organic waste winter fermentation |
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Open date: 20090311 |