CN102703304A - Efficient environment-friendly straw methane tank used in rural areas - Google Patents
Efficient environment-friendly straw methane tank used in rural areas Download PDFInfo
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- CN102703304A CN102703304A CN2012101844022A CN201210184402A CN102703304A CN 102703304 A CN102703304 A CN 102703304A CN 2012101844022 A CN2012101844022 A CN 2012101844022A CN 201210184402 A CN201210184402 A CN 201210184402A CN 102703304 A CN102703304 A CN 102703304A
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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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/10—Separation or concentration of fermentation products
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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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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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 an efficient environment-friendly straw methane tank used in rural areas, which includes a tank body, a charging tank and a discharging tank, wherein the charging tank and the discharging tank are respectively mounted on two sides of the tank body; the upper part of the tank body is an acidification tank, and the lower part of the tank is a fermentation tank separated from the acidification tank; a gas outlet of the fermentation tank extends out of the acidification tank and is flush with a tank port of the acidification tank; two sides of the fermentation tank are respectively connected with the discharging tank and the charging tank; a first discharge port is arranged on one side at the bottom part of the acidification tank; the first discharge port is connected with a vacuum pump; and moreover, a second discharge port is mounted at the upper end of vacuum pump and is communicated with the charging tank. According to the invention, the whole tank body is divided into two parts, namely the upper part and the lower part, the upper part is acidification tank while the lower part is the fermentation tank, as a result, solid-liquid separation and acidification-fermentation separation are realized, discharging of the methane tank is facilitated, the age-old problem of difficulty in discharging is solved, and further, the straw methane tank solves the problems of difficult management and the like in case of multi-day gas usage stop because the movable cover of the methane tank is opened due to large-volume of discharge in two seasons every year.
Description
Technical field
The present invention relates to the methane-generating pit field, particularly a kind of rural area is with high-efficiency environment friendly stalk marsh gas pond.
Background technology
Biogas be organic substance in anaerobic environment, under the condition of certain temperature, humidity, potential of hydrogen, through the microbial fermentation effect, a kind of inflammable gas of generation.Because this gas is found in marsh, lake, pond at first; So people are its biogas, the construction of stalk marsh gas pond is to solve one of important channel of rural area fuel problem, because a large amount of cellulosic existence in the slag of stalk natural pond; Make stalk natural pond slag can't directly use the suction material discharging car of ight soil class methane-generating pit to carry out discharging; The discharging of stalk natural pond slag becomes one of key issue in the stalk marsh gas popularization, and methane-generating pit needs the big discharging of two seasons to cause stopping in many days giving vent to anger every year simultaneously, forms the difficulty on the difficult management; The rural area because of Labor Transfer after; Aquaculture descends, and it is not enough to cause fowl poultry kind to be distinguished as main methane-generating pit fermentation raw material, also the unbalanced problem of ubiquity four seasons aerogenesis.
Summary of the invention
In order to overcome above-mentioned defective, it is high to the invention provides a kind of gas production rate, discharging easily the rural area with high-efficiency environment friendly stalk marsh gas pond.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of rural area is with high-efficiency environment friendly stalk marsh gas pond; Comprise fermentation vat, said fermentation vat both sides are respectively equipped with charging pond and material-output tank, and the upper end of fermentation vat is provided with the air outlet; The air outlet is communicated with outside biogas and uses equipment; The body top, pond of said fermentation vat is provided with acidulated pool, and bottom one side of acidulated pool is provided with first discharge port, and first discharge port is communicated with one first vacuum pump; Second discharge port is equipped with in first vacuum pump upper end, and second discharge port is positioned at top, charging pond or is positioned at urinal top, lavatory.
As further improvement of the present invention, the charging pond is communicated with the lavatory urinal, or the charging pond is the lavatory urinal.
As the further improvement of invention, be provided with second vacuum pump that horizontally rotates in the said material-output tank, the 3rd discharge port is equipped with in second vacuum pump upper end, and the 3rd discharge port rotates the back through second vacuum pump and is communicated with acidulated pool or fertilizer apparatus.
As the further improvement of invention, said the 3rd discharge port is provided with the valve that control opens and closes.
As further improvement of the present invention, acidulated pool and concordant with the pond mouth of acidulated pool is stretched out in said air outlet.
As further improvement of the present invention; Be provided with partition wall in the said acidulated pool acidulated pool is divided into first acidulated pool and second acidulated pool; Said first acidulated pool and second acidulated pool are equipped with first discharge port and are communicated with the charging pond; Be provided with the acidulated pool lid that acidulated pool is hidden above the acidulated pool, acidulated pool covers and is provided with vision slit.
Zymotechnique of the present invention was two steps: promptly merge into the first step to hydrolysis and souring stage: because it is to be converted into simple micromolecular compound to complicated organic substance; Comprise bacterium, fungi and protozoon three major types crowd; Also can be called aerobic bacteria, not methanogen, i.e. aerobic fermentation.It comprises: acetic acid bacteria, other special bacterium are produced in cellulose-decomposing bacterium, semicellulose decomposer, amylolysis bacterium, protein decomposing bacteria, steatolysis bacterium, product acid; 2, second step was methanogen, and it is through not methanogen liquification, forms products such as organic acid, alcohol, carbonic acid gas, hydrogen, under anaerobic could be utilized aerogenesis by methanogen then, i.e. anaerobically fermenting.3, does not methanogenic bacteria as methane-producing bacteria growth and to provide the necessary matrix; methanogenic bacteria and methanogenic bacteria is not discharged feedback inhibition of biochemical reactions; does methanogenic bacteria as methane-producing bacteria to create a suitable redox conditions; non-methanogenic bacteria and methanogenic bacteria work together to maintain proper pH environment; Therefore, according to the design characteristics of aerobic and anaerobic bacteria acidification tank and fermentation tank two step fermentation of straw digesters.
The invention has the beneficial effects as follows:
1, the present invention is divided into top and the bottom with whole pond body, and top is divided into acidulated pool, and the bottom is divided into fermentation vat; Realize solid-liquid separation; Acidifying separates with fermentation, makes things convenient for the methane-generating pit discharging, solves the difficult problem of the discharging of always perplexing the biogas development for many years; Also solved methane-generating pit because of the big discharging of annual two seasons, opened methane tank cover and cause stopping in many days forming the problem of difficult management with gas;
2, reduce straw from village and huddle and leave about and pollute the river problem, make stalk obtain comprehensive utilization simultaneously;
3, utilize the acidizing fluid of acidulated pool that feces of toilet is poured fermenting tank for fermentation, solved because of rural laborer's transfer causes the family to descend with aquaculture, making with the feces of livestock and poultry is the main not enough problem of methane-generating pit fermentation raw material, has also increased biogas output;
4 and control biogas output through the amount of putting into that the acidizing fluid of control acidulated pool is put into fermentation vat, solve result of use difference problem in winter, heat insulation effect is obvious, and all can use continuously the whole year.
Description of drawings
Fig. 1 is the vertical cross-sectional schematic of structure of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
In order to deepen to understanding of the present invention, will combine embodiment and accompanying drawing that the present invention is made further detailed description below, this embodiment only is used to explain the present invention, does not constitute the qualification to protection domain of the present invention.
Fig. 1-2 has shown the embodiment of a kind of rural area of the present invention with high-efficiency environment friendly stalk marsh gas pond: comprise fermentation vat 4, said fermentation vat 4 both sides are respectively equipped with charging pond 1 and material-output tank 2, and the upper end of fermentation vat 4 is provided with air outlet 41; Air outlet 41 is communicated with outside biogas and uses equipment; The body top, pond of said fermentation vat 4 is provided with acidulated pool 3, and bottom one side of acidulated pool 3 is provided with first discharge port, 5, the first discharge ports 5 and is communicated with one first vacuum pump 6; Second discharge port 7 is equipped with in first vacuum pump, 6 upper ends; Second discharge port 7 is positioned at 1 top, charging pond or is positioned at urinal top, lavatory, and charging pond 1 is communicated with the lavatory urinal, or charging pond 1 is the lavatory urinal.Being provided with second vacuum pump, 8, the second vacuum pumps, 8 upper ends that horizontally rotate in the said material-output tank 2 is equipped with the 3rd discharge port 9, the three discharge ports and rotates the back through second vacuum pump 8 and be communicated with acidulated pool 3 or fertilizer apparatuses; Said the 3rd discharge port is provided with the valve 10 that control opens and closes; Be provided with partition wall 12 in the said acidulated pool 3 acidulated pool 3 is divided into first acidulated pool 31 and second acidulated pool 32; Said first acidulated pool 31 and second acidulated pool 32 are equipped with first discharge port 5 and are communicated with charging pond 1; Be provided with the acidulated pool lid that acidulated pool 3 is hidden above the acidulated pool 3, acidulated pool covers and is provided with vision slit 11.
The operation steps of the embodiment of the invention is following:
1, fermentation vat 4 starts: add 600-800 kilograms of human and animal excretas during beginning, 300-500 kilograms of sludge seeding things add about 3000 kilograms in water then.
2,150 kilograms of many kinds stalks such as wheat straw, straw, cornstalk and blue or green weeds are dropped in first acidulated pool 31 of acidulated pool 3; Water less water (the preferably nontoxic sewage of river embankment) then from the upper strata; Keep moistening being advisable of stalk compacting; Cover the heating of plastics film stack retting again, temperature can reach 40 ° of C-60 ° C.6-8 days seasons of stack retting time in general spring and autumn; 12-15 days autumn and winter seasons; Get into acidulated pool 3 immersions after 10 days from material-output tank 2 usefulness second vacuum pump 8 extraction natural pond liquid water subsequently; The system of will macerating produces dense volatilization acid solution water and puts into fermentation vat 4 by first vacuum pump 6 from second discharge port 5 and produce biogas (new fermentation vat must enrichment biogas bacterial classification, groups of people's animal manure dirt etc. started just use the gas pond always); Factor of created gase is more much higher than the methane-generating pit of conventional one-step fermentation, and general acid solution water advances behind the pond just to begin to have produced biogas in 8 hours.
3, before the acidizing fluid of first acidulated pool 31 is put into fermentation vat; Get into second acidulated pool 32 from material-output tank 2 extraction natural pond liquid and soak stalk; After the acidizing fluid of first acidulated pool 31 has been put, no longer add water, let moistening stalk continue stack retting again, aerobic bacteria is grown fast decompose after 10 days; Get into first acidulated pool 31 from material-output tank 2 extraction natural pond liquid once more, again second acidulated pool 32 is put into fermentation vat 4 by the charging pond.Stalk circulation immersions replacement in first acidulated pool 31, second acidulated pool 32 is no more than three times, and the best is twice, and be detained about 45 days general spring and summer, about 55 days autumn and winters.
4, utilize acidizing fluid can feces of toilet be poured fermentation vat 4 fermentations automatically every day, increase the methane gas producing amount.
Press stalks such as acidulated pool eight rice of annual turnover or wheat straw, each 150 kilograms, annual total needs 1200 kilograms of stalks, presses rice wheat straw dry matter content 82% to calculate, and can get 984 kilograms of dry-matteies, presses per kilogram rice wheat straw dry-matter and produces biogas 0.43m
3, can produce biogas 432.12m the whole year
3, add that 4 to the 5 mouthfuls of people's in a family family on average discharges feces just 2 kilograms every day, press human excrement solids content 20% and calculate, can get 0.4 kilogram of dry-matter every day, can produce biogas 0.1 m
3, can produce biogas 36.5 m the whole year
3, annual stalk and human excrement accumulative total are produced biogas 468.62 m
3, can supply 4 to 5 mouthfuls of people's three meals in a day in summer, one day two meal of spring and autumn, eat winter one to two.
In order to solve the unbalanced problem of four seasons aerogenesis, can take to control the soured water amount of putting into, added 280 kilograms per 10 days of summer, spring and autumn adds 320 kilograms 10 days every days, and per 10 days of winter added 380 kilograms, like this can balanced aerogenesis.
Claims (6)
1. a rural area is with high-efficiency environment friendly stalk marsh gas pond; Comprise fermentation vat (4); Said fermentation vat (4) both sides are respectively equipped with charging pond (1) and water pressure house material-output tank (2), and the upper end of fermentation vat (4) is provided with air outlet (41), and air outlet (41) are communicated with outside biogas and use equipment; It is characterized in that: the body top, pond of said fermentation vat (4) is provided with acidulated pool (3); Bottom one side of acidulated pool (3) is provided with first discharge port (5), and first discharge port (5) is communicated with artificial strong inverse flow liquid drawing device (6), and second discharge port (7) is equipped with in artificial strong inverse flow liquid drawing device (6) upper end; Second discharge port (7) is positioned at top, charging pond (1) or is positioned at urinal top, lavatory, extracts the stalk acidizing fluid and gets into fermentation vat generation biogas by the charging pond.
2. rural area according to claim 1 is characterized in that with high-efficiency environment friendly stalk marsh gas pond: charging pond (1) is communicated with the lavatory urinal, utilizes soaked stalk acidizing fluid in the acidulated pool, not only washes clean feces of toilet but also replenish the biogas fermentation raw material.
3. rural area according to claim 1 is with high-efficiency environment friendly stalk marsh gas pond; It is characterized in that: be provided with an artificial strong inverse flow liquid drawing device (8) in the said material-output tank (2); The 3rd discharge port (9) is equipped with in artificial strong inverse flow liquid drawing device (8) upper end, and the 3rd discharge port rotates the back through artificial strong inverse flow liquid drawing device (8) and is communicated with acidulated pool (3) or fertilizer apparatus.
According to claim 1 or 3 described rural areas with high-efficiency environment friendly stalk marsh gas pond, it is characterized in that: said the 3rd discharge port is provided with the valve (10) that control opens and closes.
5. rural area according to claim 1 and 2 is with high-efficiency environment friendly stalk marsh gas pond; It is characterized in that: be provided with partition wall (12) in the said acidulated pool (3) acidulated pool (3) is divided into first acidulated pool (31) and second acidulated pool (32); Said first acidulated pool (31) and second acidulated pool (32) are equipped with first discharge port (5), at the mouth end (200 * 200 * 200) mm filtration unit will be set and be communicated with charging pond (1), are provided with the acidulated pool lid that acidulated pool (3) is hidden above the acidulated pool (3); Acidulated pool covers and is provided with vision slit (11); After treating stalk acidifying end cycle, open 1-2 piece acidulated pool lid, just very easily the stalk residue is cleaned out.
6. rural area according to claim 1 is characterized in that with high-efficiency environment friendly stalk marsh gas pond: acidulated pool (3) is stretched out in said air outlet (41) also can be along acidulated pool inwall punching pass-out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101844022A CN102703304A (en) | 2012-06-06 | 2012-06-06 | Efficient environment-friendly straw methane tank used in rural areas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101844022A CN102703304A (en) | 2012-06-06 | 2012-06-06 | Efficient environment-friendly straw methane tank used in rural areas |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074208A (en) * | 2013-01-29 | 2013-05-01 | 农业部沼气科学研究所 | High-concentration straw methane fermentation equipment |
| CN104789458A (en) * | 2015-03-30 | 2015-07-22 | 陆永成 | Self-activation flowing stir type methane fermenting system capable of facilitating uniform distribution of bacteria species |
| CN106148171A (en) * | 2016-08-22 | 2016-11-23 | 东北师范大学 | The degraded of a kind of straw and the device of anaerobic ferment for methane and using method |
| CN108315232A (en) * | 2018-01-23 | 2018-07-24 | 龚增利 | A kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw |
| CN108998356A (en) * | 2018-09-28 | 2018-12-14 | 淮安市农业环境保护监测站 | The biogas recirculation utilizing works system of waste dish step fermentation |
-
2012
- 2012-06-06 CN CN2012101844022A patent/CN102703304A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074208A (en) * | 2013-01-29 | 2013-05-01 | 农业部沼气科学研究所 | High-concentration straw methane fermentation equipment |
| CN103074208B (en) * | 2013-01-29 | 2014-04-02 | 农业部沼气科学研究所 | High-concentration straw methane fermentation equipment |
| CN104789458A (en) * | 2015-03-30 | 2015-07-22 | 陆永成 | Self-activation flowing stir type methane fermenting system capable of facilitating uniform distribution of bacteria species |
| CN106148171A (en) * | 2016-08-22 | 2016-11-23 | 东北师范大学 | The degraded of a kind of straw and the device of anaerobic ferment for methane and using method |
| CN108315232A (en) * | 2018-01-23 | 2018-07-24 | 龚增利 | A kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw |
| CN108315232B (en) * | 2018-01-23 | 2024-05-28 | 苏雄 | Biogas generating device capable of rapidly fermenting and decomposing straw and application method thereof |
| CN108998356A (en) * | 2018-09-28 | 2018-12-14 | 淮安市农业环境保护监测站 | The biogas recirculation utilizing works system of waste dish step fermentation |
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Application publication date: 20121003 |