CN101054548B - Biomass pool and automatic slagoff method for the same - Google Patents
Biomass pool and automatic slagoff method for the same Download PDFInfo
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- CN101054548B CN101054548B CN2006100349145A CN200610034914A CN101054548B CN 101054548 B CN101054548 B CN 101054548B CN 2006100349145 A CN2006100349145 A CN 2006100349145A CN 200610034914 A CN200610034914 A CN 200610034914A CN 101054548 B CN101054548 B CN 101054548B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The present invention relates to methane production apparatus field. The object of the present invention is to overcome the deficiency of existing technology and provides a reasonably designed, highly safe methane pool capable of removing crust of methane fluid and automatically discharging dregs and its usage method. The methane pool comprises ferment pool, feeding pool and output pool etc. The feeding pool is communicated with ferment pool through feeding tube and output tube. The feeding pool is not lower than output pool. The output pool bottom is in same level or slightly lower than ferment pool top whose feeding tube port is higher than that of output pipe. The ferment pool top is installed with gas exhaust port. The character of the present invention: (A+B+C)*1.08 > V > (A+B+C)*0.92. V represents the volume of ferment pool feeding tube port top to ferment pool top inside, A represents the volume of feeding pool, B represent the volume of output pool, C represents the feeding tube volume from ferment pool top to feeding pool bottom.
Description
Technical field
The present invention relates to biogas and produce apparatus field, a kind of interior natural pond of the methane-generating pit liquid of can eliminating of saying so that has more crusts and the realization automatic sludge discharge, need not the method for the methane-generating pit and the automatic sludge discharge of manual maintenance.
Technical background
Biogas is a kind of inflammable gas, is to utilize organism such as human and animal excreta, under anaerobic, the inflammable gas that produces by microorganism energy metabolism and respiration in the methane-generating pit.5 mouthfuls of people of common farmers' normally deposit and support 4 pigs, 1 ox, and the human and animal excreta of year discharging can produce 810-950m3 biogas by theory calculating every year, and deduction ight soil scatters and disappears and the biogas fermentation pressure-losses, and reality can be utilized biogas 500-550m3.Prior art mainly realizes utilization to biogas by methane-generating pit, adopts methane-generating pit also to have numerous advantages except making full use of expense.Human and animal excreta can be killed colonizing in the bacillary pathogeny of human and animal excreta, viral pathogeny, parasitics pathogeny and the sedimentation of mosquitos and flies worm's ovum after dropping into the methane-generating pit fermentation effectively.Under the methane-generating pit air tight condition, the inert substance that discharges is breathed in the metabolism of microbiological degradation matter and energy can be in pond internal recycle utilization, the environmental pollution that does not exist the stack retting method to produce; Waste material after human and animal excreta ferments through methane-generating pit can be directly used in crop fertilizer, breeds fish, feeds pigs, soaks seed or directly enter the river, does not produce secondary pollution; Biogas is used in the rural area, can also reduce traditional cooking smoke fire effectively and burn diseases such as the pink eye disease brought, asthma.
Biogas is that bacterium is fermented under certain condition, decomposing organic matter matter produces.When the condition of producing biogas is suitable more, the vital movement of bacterium is vigorous more, and the biogas of generation is just many more.Therefore, when producing biogas, require the gas production rate height, just must make the biogas microorganism that more vigorous vital movement is under anaerobic arranged, for this reason, creating a good environment is the key of producing biogas.Existing methane-generating pit is produced biogas must satisfy following condition.
1. Yan Ge anaerobic environment
The microorganism that decomposing organic matter matter produces biogas all is to dislike the oxygen bacterium, and their whole vital movement does not need air.On the contrary, airborne oxygen also has infringement to them.Therefore, build water-tight, gastight methane-generating pit, not only go up needs, the more important thing is to guarantee that bacterium under anaerobic lives, make it to reach the very purpose of aerogenesis for charging and air storage.The existing methane pool structure leaves certain air chamber in fermentation vat, so directly contact formation crust layer with oxygen on the upper strata of fermented feed liquid.The continuous increase of crust layer thickness will have a strong impact on the generation of biogas.
2. suitable temperature
Leavening temperature is the important factor that influences biogas fermentation.In certain temperature range, the decomposition digestion rate of fermented feed liquid improves with the rising of temperature, and just gas production rate raises with temperature and improves, but neither get over Gao Yuegao.Methane-generating pit for farm household all adopts the natural temperature fermentation at present, and temperature is 15 ℃ one 30 ℃ in the pond, surpasses 30 ℃ and will carry out thermophilic fermentation, and slag charge does not have fully fermenting, causes waste.But below 15 ℃, the zymophyte vital movement is slow, and ferment effect is undesirable especially.Existing methane pool structures shape pond body must adopt the mode of shallow embedding, the comparatively cold area in the north like this, once to winter methane-generating pit entered resting stage, can't works better.
3. fully guarantee stable distribution of bacterium layer in the fermentation vat
The biogas flora is a big class anaerobic bacterium, does not need oxygen in its whole vital movement.In case the stable under suitable condition growth aerogenesis efficiently that distributes.The distribution of the zymophyte layer of the fermented feed liquid upper strata in methane-generating pit, middle level, lower floor has the division of labor, will influence the fermentation gas effect in case destroy.
4. regular stirring
Existing methane pool is under condition of stirring not, and fermented feed liquid is divided into 3 layers significantly: upper strata crust layer, middle level supernatant liquid, lower floor's sediment layer.Aerobic reaction takes place form the crust layer and be unfavorable for aerogenesis owing to the fermented feed liquid upper strata contacts with air, so, should consider to take the stirring measure.The purpose that stirs is to destroy the crust layer, allows raw material and inoculum be uniformly distributed in the pond, increases the contact surface of microorganism and raw material, accelerates fermenting speed, improves gas production rate.But owing to after reaction for some time, can form in the feed liquid at the different reaction process of feed liquid and form certain bacterium layer distribution.Stirring can upset the bacterium layer and distribute, and makes it need certain hour to distribute again, so regular stirring can slow down the efficient that biogas produces.But in order to destroy the crust layer, prior art can only solve by the alr mode of sacrificing efficient.
5. scarfing cinder regularly
The slag charge that existing methane pool produces mainly contains two portions, and a part is to react the slag charge of postprecipitation in the methane-generating pit bottom, and another part is that the feed liquid upper strata contacts the crust layer that produces with air chamber.Artificial or the machinery of available technology adopting is cleared up the bottom slag charge, but powerless for the crust layer on feed liquid upper strata.Though adopt the mode that stirs to slow down the formation of crust layer, finally also be to deal with problems.So the existing methane pool life-span is generally 2～3 years, and methane-generating pit is fixed building, so caused a large amount of wastings of resources.
Below discuss the constructional feature in several ponds commonly used:
1, fixed arch lid hydraulic type biomass pool
Fixed arch lid hydraulic type biomass pool has round shape, sphere and three kinds of pond types of elliposoidal.Body top, the pond air chamber complete closed of this pond type, along with the continuous generation of biogas, the corresponding raising of biogas pressure.The air pressure that this constantly increases forces a part of feed liquid in the methane-generating pit to enter in the water pressure house that communicates with the pond body, makes that the liquid level in the water pressure house raises.So, the liquid level of water pressure house has just produced a waterhead with the intravital liquid level of methane-generating pit, and this waterhead just is called " hydraulic pressure ".When using gas, the biogas switch opens, biogas is discharged under hydraulic pressure; When biogas reduced, the feed liquid of water pressure house was returned again in the body of pond, made waterhead constantly descend, and caused the also corresponding thereupon reduction of biogas pressure.This part feed liquid of utilizing is gone here and there back and forth, causes that hydraulic pressure changes the pond type of storing and discharge biogas repeatedly, just is referred to as hydraulic type biomass pool.
The shortcoming that the hydraulic type biomass pool type exists mainly is:
(1) change repeatedly owing to air pressure, and generally change between 4～16 kpa pressures, the ultimate value of pressure is difficult to control.The stable of pond body intensity and light fixture, kitchen range efficiency of combustion all there is adverse influence with improving.
(2) owing to there is not whipping appts, scum silica frost crusts easily in the pond, is difficult to fragmentation again, so the utilization ratio of fermented feed liquid is not high, it is on the low side that the pond holds factor of created gase, and general factor of created gase only is 0.15 meter every day
3/ rice
3About.
(3) do not solve the incrustive problem of top feed liquid, and since the removable cover diameter can not strengthen, concerning fermented feed liquid based on the methane-generating pit of stalk, big discharging, the work of particularly settling accounts the shell slag is relatively more difficult.Therefore, preferably adopt discharging machinery the scarfing cinder discharging time.
(4) reasons in structure of building owing to the pond body, top cover leaks gas easily, and the pond body breaks easily.
(5) structures shape must adopt the mode of shallow embedding, so there is resting stage winter.
2. center swing pipe formula methane-generating pit
The hydraulic type biomass pool that belongs to modification changes removable cover into ferro-cement charging and discharging swing pipe, makes it have the function of a pipe three usefulness: to replace feed-pipe, discharge nozzle and removable cover.Simplify the structure, reduced and built the pond cost, often be in dampness because of feed liquid makes methane-generating pit arch lid again, help the raising of its air-tightness.And the scarfing cinder discharging is convenient, is convenient to hand mixing.But the old feed liquid after the normal and fermentation of fresh raw material mixes, and utilization ratio of raw materials descends to some extent.
3. meander cloth hydraulic type biomass pool
The fermented feed liquid of this pond type all adopts people, animal, poultry manure without stalk, and the water content of raw material is about 95%.This pond type has following characteristics:
(1) establishes the filtrate dish in the opening for feed throat, need often cleaning.
(2) raw material enters in the pond and carries out half control or fully-controlled type cloth by distributor, forms the multichannel meander, increases the virgin material diffusingsurface, gives full play to the pond and holds carrying capacity, has improved the pond and has held factor of created gase.
(3) tilt to discharge port by opening for feed at the bottom of the pond.
(4) enlarge the bay wall outlet, and establish dividing plate, the solid bacterium of plug flow in inside.
(5) pond arch central authorities, skylight lid bottom cage carry biogas to go into gas tank.Simultaneously, utilize air pressure inside, air-flow to produce stirring action, alleviate top feed liquid crust.
(6) lower-most point at the bottom of the pond is placed on the water pressure house bottom.Under effect at the bottom of the inclination pond, fermented liquid can form certain mobile thrust, realizes the input and output material gravity flow, can not open skylight lid whole feed liquids are taken out by water pressure house.
Still do not solve the incrustive problem of top feed liquid.Lower-most point at the bottom of the pond is placed on water pressure house bottom, can reduces temperature in the pond when cold, influence in the pond in and ferment, increasing resting stage in the sky.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of reasonable in design be provided, calculate simple and easy, safe, methane-generating pit and using method thereof that can automatic sludge discharge.
The invention discloses a kind of methane-generating pit, the same primary structures such as fermentation vat, charging pond and material-output tank that comprise with existing methane pool.Charging pond and material-output tank are communicated with fermentation vat by feed-pipe and discharge nozzle respectively, and the charging pond is not less than material-output tank, hold flatly with fermentation vat at the bottom of the material-output tank, and the feed-pipe mouth of pipe on the fermentation vat is higher than the discharge nozzle mouth of pipe, and the fermentation vat top is provided with the air outlet.Characteristics of the present invention are that the volume B, feed-pipe of volume A, the material-output tank in the inboard volume V in feed-pipe mouth of pipe upper end to fermentation vat top and charging pond in the fermentation vat is from the pass that fermentation vat pushes up the partial volume C at the bottom of the charging pond: (A+B+C) * and 1.08＞V＞(A+B+C) * 0.92.
Existing methane-generating pit is in the process of using, and fermentation vat is full of inflammable gas at biogas air mixed air chamber of the inner formation in top, pond.If the pressure of biogas air chamber is too little or equate with the external world, opening when the air outlet uses biogas, cause easily fire is introduced in the pond so, light inflammable gas in the pond, set off an explosion, there is very big dangerous hidden danger.Owing to methane-generating pit self bears pressure certain limit is arranged also on the other hand, if the excessive pond cubical expansion that also can cause of air pressure inside is broken.So must be no more than the pressure that methane-generating pit self can bear by strict maximum volume and the pressure of controlling the biogas air chamber that forms.
Based on above-mentioned 2 requirements, the present invention requires the inboard volume in the upper end of the feed-pipe mouth of pipe in the fermentation vat to fermentation vat top to be equal to from the partial volume sum that fermentation vat pushes up at the bottom of the charging pond with the volume of the volume in charging pond, material-output tank, feed-pipe, and error is no more than positive and negative 8 percent.First purpose is to realize the equivalent transposition calculating of biogas air chamber and fermented feed liquid, then discharges the fermented feed liquid of how many equal volume when producing great biogas air chamber.Because the big or small of air chamber constantly changes in the process of using, adopt this method then can calculate dynamic air chamber, tolerance and peasant household simply and easily with parameters such as pond sizes, can strictly control the peak pressure that methane-generating pit can bear.This structure employing hydraulic pressure is kept the interior biogas air chamber of fermentation vat and is had certain air pressure.In the process of using, when forming the biogas air chamber in the fermentation vat, air pressure makes the liquid level rising of charging pond and material-output tank be higher than liquid level in the fermentation vat, makes the biogas air chamber have certain air pressure.When opening the air outlet, the air pressure of air chamber makes extraneous air and flame can't enter air chamber, then can not cause the dangerous consequences of igniting.
The position of charging of the present invention pond and material-output tank all is not less than the fermentation vat top, in use can continue to keep hydraulic pressure.And the position in charging pond is not less than material-output tank, so can facilitate fermented feed liquid to flow to material-output tank from the charging pond.Hold flatly with fermentation vat at the bottom of the pond of material-output tank, can judge when feeding intake first whether the fermented feed liquid in the fermentation vat is full of whole fermentation vat.Can avoid in fermentation vat, forming the air air chamber, cause the contact surface of fermented feed liquid and air air chamber to form slagging scorification, or even crust.
Air chamber in the fermentation vat of the present invention is the pure biogas air chamber according to the hydraulic pressure dynamic change volume of charging pond and material-output tank, utilizes the air pressure that variation produced of biogas air chamber volume, and the fermentation slag charge bottom the fermented feed liquid is extruded by discharge nozzle.Existing methane pool also has the principle that adopts air chamber pressure, but because the structure of methane-generating pit is different fully, so the effect that causes is also different.For maintaining easily, the slag-drip opening of existing methane pool is very big, and the height in deslagging pond and fermentation vat maintain an equal level, and the insufficient pressure that has caused the air chamber that forms is to be used for deslagging.And the present invention may further comprise the steps when using:
Till at first injecting fermented feed liquid to fermented feed liquid and overflow at the bottom of the material-output tank pond at least, close the air outlet then, make fermented feed liquid under bacteriological action, carry out the anaerobic reaction and produce biogas from the charging pond.All design a stable air or gas mixture air chamber in the prior art in the use of all methane-generating pits, because the oxygen in the air air chamber is to the oxygenizement of fermented feed liquid, cause fermented feed liquid liquid level upper strata formation crust layer in the methane-generating pit, and cause the water surface slagging scorification of methane-generating pit fermented feed liquid, cause scrapping of methane-generating pit in the course of time.Design of the present invention has broken through this design concept of present methane-generating pit, has introduced brand-new dynamic air chamber notion.Fermented feed liquid all is immersed in the water all the time, and the reaction that fermented feed liquid is produced all is the anaerobic reaction.The air chamber that produces is pure biogas air chamber, makes fermented feed liquid fully fermentation in water, has stopped the necessary condition of water surface slagging scorification, has solved all insurmountable this difficult problem in present all methane-generating pit design and use.Because fermented feed liquid can fully ferment in the pond, so the concentration of fermented feed liquid can be very high, even reach more than 40%, and existing standard fermentation concentration can only be about 8%, otherwise can produce incrustive danger.Peasant household will carry out the allotment of fermented feed liquid in using the existing methane pool process, very trouble.And the present invention is in use as long as directly directly pour fermented materials such as ight soil straw into.
Reacted fermentation slag charge proportion sinks to greatly at the bottom of the pond, and biogas rises to the methane-generating pit top and forms pure biogas air chamber.Owing to all be full of fermented feed liquid in the original methane-generating pit, so inevitable discharge section fermented feed liquid when forming the biogas air chamber.Because the height in charging pond is not less than material-output tank, under the action of air pressure of pure biogas air chamber, the fermented feed liquid liquid level descends, and the fermentation slag charge at the bottom of the pond is discharged from material-output tank through discharge nozzle, also has the small part fermented feed liquid to discharge the hydraulic pressure that forms with gas chamber pressure balance from material-output tank.Along with constantly carrying out of fermentation reaction, the biogas air chamber of formation constantly increases, and the pressure in the methane-generating pit also constantly rises.Then no longer increase when air chamber expands in the fermentation vat feed-pipe mouth of pipe upper end to, the biogas that continues to produce will be overflowed by feed-pipe.Also be that the air chamber pressure of this moment has reached ultimate value this moment, and to be no more than the peak pressure that methane-generating pit can bear also be the emphasis of methane-generating pit design so control this ultimate value.The gas volume that produces according to the present invention and the liquid volume equivalent Transposition Principle of discharge, can easily calculate and design dynamic air chamber, tolerance and peasant household parameters such as pond size, in conjunction with the height of the liquid of discharging, can calculate and design the internal gas pressure of the maximum of methane-generating pit.
Further comprising the steps of in the process of using:
When using biogas, open the air outlet, because the biogas air chamber has certain pressure, biogas is extruded from the air outlet.The use of biogas has reduced air chamber volume and air pressure, and fermented feed liquid refluxes under action of gravity, and liquid level gos up.Because the existence of the difference of altitude of charging pond and material-output tank, the fermented feed liquid of backflow mainly are to inject from the charging pond, have replenished the space that air chamber reduces.When not using biogas, close the air outlet, make fermented feed liquid continue to produce biogas, the volume of biogas air chamber increases, and liquid level descends once more, and the fermentation slag charge that is deposited in the bottom of fermentation vat is extruded from discharge nozzle.In structure design, adopt the progressively constant design that discharges naturally of pressure, utilized the principle of equivalent transposition, regulated atmospheric pressure automatically, kept progressively dynamic air chamber of constant and stable tolerance supply.After when methane-generating pit drops into, the end time of generally being separated by will open and close the air outlet by multiple, and the liquid level of fermented feed liquid is periodically moved up and down, and constantly discharges the fermentation slag charge, and makes that the fermented feed liquid that is in liquid level can slagging scorification.In the process of using, the present invention utilizes the principle of equivalent transposition, in service, dynamic air chamber in the high-order exchange of self acting hydraulic pressure moves automatically, make pond internal pressure circulation self-organizing system, and the natural pond slag of fermented feed liquid lower floor sediment layer is discharged outside the methane-generating pit in the methane-generating pit after will fully fermenting, and has realized the automatic sludge discharge of domestic methane tank.Facts have proved that the methane-generating pit of this structure 10 years is without scarfing cinder.Fire resistance of the present invention is also very high, when dynamic air chamber is full of combustion gas, the air chamber internal pressure very much not can produce the tempered phenomenon, has been full of the fermented feed liquid of water-based when combustion gas uses up in the air chamber again, this spontaneous fire prevention, explosion-proof potent should be that present any methane-generating pit is all incomparable.
Some methane-generating pits that use have generally adopted the method for paddling process in the cistern in order to prevent slagging scorification in the pond at present.This method not only wastes time and energy, and destroyed the distribution of zymophyte layer in the pond, has reduced the spontaneous fermentation temperature in the pond and the operating structure of zymophyte layer, has influenced the process of fermentation.However it still can't solve the incrustive problem of water surface slagging scorification of methane-generating pit fermented product.And the design feature of pond of the present invention body structure, it is realizing that equivalent replaces dynamic air chamber when moving automatically and make the floating stirring of the automatic water of fermented product in the pond naturally, input and output material all is automatic operation, do not exist the stable destruction that distributes of bacterium layer, do not influence the process of fermentation, an omnibearing difficult problem that has solved slagging scorification in the methane-generating pit pond, and the efficient of assurance fermentation.Therefore it can stablize, fully, naturally, fermentation efficiently, thoroughly kill various harmful germs in the liquid of natural pond, discharge the natural pond liquid that cleans.
Structure of the present invention also helps the insulation of methane-generating pit.Existing methane pool is owing to much all adopt the fair structure of charging pond and material-output tank and fermentation vat height, charging and discharging for convenience, caused the methane-generating pit of existing structure can only adopt the structure of shallow embedding, arrived winter temperature low excessively the time methane-generating pit just can't use.And the height of charging of the present invention pond and material-output tank all is not less than fermentation vat, so can fermentation vat is buried in underground.Can methane-generating pit be imbedded under the different stratum according to the difference of the various places lowest temperature, particularly be positioned under the frozen soil layer, guarantee the fully temperature of fermentation.No matter temperature all remains on more than 20 ℃ in the fermentation vat throughout the year, make abundant fermentation gas in the pond, no resting stage, solved this difficult problem that a lot of methane-generating pits do not solve.
The present invention is provided with a stock retaining wall near the feed-pipe mouth of pipe one side at the bottom of the fermenting tank for fermentation pond, the pass apart from d and fermentation vat bottom width degree L of stock retaining wall and fermentation vat feather edge is: 1/6L＜d＜5/12L.Its purpose has:
(1) virgin material rests on the side of stock retaining wall by feed-pipe when the feed-pipe mouth of pipe enters, and can not impact and destroy stablizing of stock retaining wall opposite side zymophyte floor district.Virgin material under the floating effect of stirring of the automatic water of fermented product, is got back to Primary Fermentation bacterium floor district and is fully fermented in the pond after this side transition fermentation from the both sides of stock retaining wall.So the height of stock retaining wall preferably will be higher than the mouth of pipe of feed-pipe.(2) stock retaining wall is a stable range of distribution, Primary Fermentation bacterium floor district by a side of discharge nozzle, the slag charge of fermentation is discharged from material-output tank through discharge nozzle in this district, can attachedly hang into a stable bacterium layer distribution wall on the wall of this side of stock retaining wall, produce solid bacterium effect, guarantee stable fully fermentation in the pond.Stock retaining wall is arranged on the side near feed-pipe, and the optimum position is 1/4 position of fermentation vat bottom width degree.Because the pond internal pressure is from top to bottom, distribute toward both sides by the center, so the present invention is made into the scarp at the bottom of with fermentation vat, divide near the fermentation vat bottom of the discharge nozzle mouth of pipe to be higher than other positions at the bottom of the fermentation vat.The direction on scarp is just opposite with prior art, and this is because the characteristics of the pressure distribution in the fermentation vat determine.Discharge nozzle one side is higher than the structure of other positions, helps under the pressure effect in fermentation vat the slag charge at the bottom of the pond is extruded, and can not take away other not fully fermenting feed liquids, causes the waste of resource.According to the characteristics of pressure distribution, the shape of fermentation vat of the present invention the best is a semisphere, and the air outlet is positioned at hemispheric top.Such structure helps the pressure distribution of even fermentation vat pool wall, reduces the problem of stress concentration, improves stability of structure.
Owing to need to be serviced under the few cases of the present invention, can adopt sealing fully on the fermentation vat top in theory, only leave the structure of air outlet.But in order to reduce the difficulty of construction, and conveniently in particular cases can safeguard methane-generating pit.So the Chi Gai that this fermentation vat top is provided with Chi Kou and is mated is located at the pond with described air outlet and covers.Operate in case can open Chi Gai when methane-generating pit need be safeguarded like this, simple and convenient.Owing to can produce bigger pressure in the fermentation vat of the present invention, in order to guarantee the resistance to air loss of Chi Gai, enclose well one of pond mouth arranged outside, Jing Qiang is higher than Chi Gai.Can in enclosing well, pour into water, if take place that biogas leaks then directly can the water from enclose well whether have bubble to emerge to observe to obtain, so that the user employs prevention and reclamation activities as early as possible.
Because the aperture efficiency of charging pond and material-output tank is bigger, and need not to adopt so big opening general charging and discharging the time, so this patent is provided with opening for feed and flash mouth in the top-side of charging pond and material-output tank respectively, the position of opening for feed is not less than the flash mouth, the volume of opening for feed at the bottom of the pond is A ' in the charging pond, the volume of flash mouth at the bottom of the pond is B ' in the material-output tank, and the inboard volume V in feed-pipe mouth of pipe upper end to fermentation vat top is in the fermentation vat: (A '+B '+C) * 1.08＞V＞(A '+B '+C) * 0.92.Described opening for feed can be connected with the source of fermented feed liquid, and discharge port can be connected with the container of collecting slag charge, so just need not manually to feed intake or scarfing cinder, and for keeping the directed flow of feed liquid, the position of opening for feed is a little more than the flash mouth simultaneously.
The present invention has following outstanding substantive distinguishing features and obvious improvement with respect to prior art:
1. the inboard volume in feed-pipe mouth of pipe upper end to fermentation vat top must be equal to from the partial volume sum that fermentation vat pushes up at the bottom of the charging pond with the volume of the volume in charging pond, material-output tank, feed-pipe in the fermentation vat.Make things convenient for the design of methane-generating pit on the one hand, when fermentation vat forms air chamber, can form pressure air chamber naturally on the other hand.Adopt the progressively constant design that discharges naturally of pressure in the use, utilized the principle of equivalent transposition, regulated atmospheric pressure automatically, kept progressively dynamic air chamber of constant and stable tolerance supply.
2. structure of the present invention can be discharged the slag charge of fermented feed liquid bottom when forming the biogas air chamber automatically from discharge nozzle, and can from feed-pipe automatically the fresh feed liquid of introducing enter in the fermentation vat and ferment, deslagging and charging are finished automatically, need not manual intervention.
3. the inventive method is carried out the anaerobic reaction with fermented feed liquid, makes fermented product fully fermentation in water, has stopped the necessary condition of water surface slagging scorification, has solved all insurmountable this difficult problem in present all methane-generating pit design and use.
4. the automatic water of fermented product is floating in the fermentation vat in the process of Shi Yonging stirs, realizing that equivalent replaces dynamic air chamber when moving automatically and make the floating stirring of the automatic water of fermented product in the pond naturally, do not destroy zymophyte layer distribution in the pond again, do not influence the process of fermentation, the omnibearing incrustive difficult problem of slagging scorification in the methane-generating pit pond, the raising fermentation efficiency of having solved.
5. the stable fire prevention of aerogenesis in the fermentation vat, explosion-proof raising.The present invention's automatic equivalent transposition of pool gas and fermented feed liquid of fermenting, the automatic high-order drop circulation of fermented feed liquid and form dynamic air chamber operation has produced fire prevention, explosion-proof potent answering naturally.During the methane-generating pit operation, when dynamic air chamber is full of combustion gas, the air chamber internal pressure very much not can produce the tempered phenomenon, has been full of the fermented feed liquid of water-based when combustion gas uses up in the air chamber again, this spontaneous fire prevention, explosion-proof potent should be that present any methane-generating pit is all incomparable.
6. can adopt the structure of deep embeded type, can not be subjected to the influence of surface temperature, not have resting stage, can use wide geographic area.Because the pond body is embedded in undergroundly, need not artificial maintenance and scarfing cinder, build the pond after ground clean very much, can plant, can afforest, can build a house.
7. methane-generating pit is in use because the ceaselessly floating stirring of water automatically of fermented product in the pond, can slagging scorification in the pond, the temperature of fermentation all remains on more than 20 ℃ in the pond throughout the year, its fermented feed liquid concentration range is very wide under the condition of this abundant fermentation, when the zymophyte layer normally moves in the pond, can move the fermented feed liquid of high density in the pond naturally and produce biogas.Fermentation solid concentration reaches as high as 40%, and it is 0.5m that every cubic metre of pond holds average daily output tolerance
3～0.8m
3
8. management is very simple and convenient.The various operations of aerogenesis are all carried out automatically in the methane-generating pit pond, need not the artificial operation, and management is got up very convenient.Peasant household only needs regularly to add suitable organic fertilizer, just can use competent combustion gas.Build on the ground of whole methane-generating pit can be totally-enclosed except that charging Chi Gai, need not artificial maintenance and scarfing cinder, and the maintenance of all need not uncapping in 10 years is fit to vast rural area and uses very much.
9. body construction in pond is convenient, practical.The methane-generating pit master adopts brick semi-circular structure in the pond, and the storage maximum is taken up an area of minimum, and compressive resistance is strong.A 10m
3Methane-generating pit, the pond inner height has only 1.5 meters high, personnel construct very convenient inside.Adopt the horizontal brick block method that crouches when brick, the crushing resistance height, the pond body is built very firm.
10. the capacity flexibly changing is built in whole pond.Methane-generating pit equivalent transposition principle of design is very flexible, can be according to user's requirement, and the treatment capacity of fertile sewage, and the methane-generating pit of building different tankages uses for the user.It can adopt the horizontal brick block mode for sleeping in of different thickness to build according to different tankages in building the pond construction.The construction tankage of a dark concealed methane-generating pit can from several cubes to hundreds of cube, also can be according to the landform difference, several ponds string also connects together and forms an integral body, this is that any other methane-generating pit all can not be accomplished at present.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
User mode figure when Fig. 2 is embodiment 1 charging;
Fig. 3 is the user mode figure of embodiment 1 minimum inlet amount;
User mode figure when Fig. 4 is embodiment 1 generation biogas;
Fig. 5 is the biogas amount user mode figure the most for a long time that embodiment 1 produces;
User mode figure when Fig. 6 is embodiment 1 use biogas;
User mode figure when Fig. 7 is embodiment 1 deslagging;
Fig. 8 is the structural representation of embodiment 2;
User mode figure when Fig. 9 is embodiment 2 chargings;
User mode figure when Figure 10 is embodiment 2 deslagginves;
Figure 11 is the user mode figure of embodiment 3 minimum inlet amounies;
User mode figure when Figure 12 is embodiment 3 deslagginves.
Figure 13 is the structural representation of embodiment 4;
Figure 14 is imbedded in subterranean user mode figure for embodiment 4.
Embodiment
Below with reference to accompanying drawing this patent is described further.
A kind of methane-generating pit as shown in Figure 1 comprises fermentation vat 1, charging pond 2 and material-output tank 3, and charging pond 2 and material-output tank 3 are communicated with fermentation vat 1 by feed-pipe 21 and discharge nozzle 31 respectively, and fermentation vat 1 is semisphere.For making the fermented feed liquid can directed flow, the charging pond 2 of present embodiment be a little more than material-output tank 3, and 3 ends of material-output tank and fermentation vat top 11 maintain an equal level, and the feed-pipe mouth of pipe 22 on the fermentation vat 1 is higher than the discharge nozzle mouth of pipe 32.Under the hydraulic effect, can guarantee that fermented feed liquid flows to material-output tank 3 from charging pond 2 through fermentation vat 1.Charging pond 2 and material-output tank 3 are respectively equipped with pond lid 24 and 34, are used for charging and deslagging.The pond lid 15 that fermentation vat top 11 is provided with pond mouth 14 and is mated, described air outlet 13 is located on the pond lid 15, and is connected with escape pipe 4 and is used to discharge gas in the fermentation vat 1.The 12 close feed-pipe mouth of pipe 22 1 sides are provided with a stock retaining wall 16 at the bottom of the fermentation vat, and stock retaining wall 16 is d=1/3L with the pass apart from 12 width L at the bottom of d and the fermentation vat at 12 edges at the bottom of the fermentation vat.Shown in dash area among the figure, the feed-pipe mouth of pipe 22 upper ends to fermentation vat pushes up volume A, the volume B of material-output tank 3, the feed-pipe 21 in the volume V of 11 inboards and charging pond 2 and from the pass of the partial volume C at 11 to 2 ends of charging pond of fermentation vat top is in the fermentation vat 1: V=A+B+C.Owing to build the problem of precision, can there be certain error, but can not be too big, generally be controlled in 5%.
During charging first, as shown in Figure 2, open air outlet 13, the cover plate 24 in charging pond 2, the cover plate 34 of material-output tank 3 pours into the fermented feed liquid of deployed ratio from charging pond 2.Fermented feed liquid progressively is full of feed-pipe 21, fermentation vat 1 and discharge nozzle 31, and the direction that fermented feed liquid pours into is shown in figure hollow core arrow.The rising of feed liquid liquid level thereupon, former be in air in the fermentation vat 1 by progressively from the air outlet 13, discharge through escape pipe 4, shown in arrow among the figure.The amount of the feed liquid that pours into first promptly just is full of discharge nozzle 13, as shown in Figure 3 for till overflowing at the bottom of material-output tank 3 ponds at least.Because the bottom of material-output tank 3 and the fermentation vat of fermentation vat 1 top 11 inboard maintaining an equal level, according to the principle of fluid connection device, this moment, fermentation vat 1 just was full of fermented feed liquid, did not have any air chamber.For guaranteeing that all air discharge fully, also can a little irritate some fermented feed liquids more.Fermented feed liquid is pure anaerobic reaction in this state, and fermented product can fully ferment in water, has stopped the necessary condition of water surface slagging scorification.
Next close air outlet 13, make fermented feed liquid under bacteriological action, carry out the anaerobic reaction and produce biogas.As shown in Figure 4, the biogas that fermentation produces forms biogas air chamber D at the top of fermentation vat 1, and reacted slag charge 5 sinks to the bottom of fermentation vat 1.Owing to do not have air in the original fermentation vat 1, so the biogas air chamber D that forms is pure biogas, there is not mixture of oxygen, so can't burn, make blast lack prerequisite.The air pressure that the biogas air chamber D that forms forms descends the liquid level in the fermentation vat 1, shown in arrow among the figure.The fermented feed liquid that liquid level decline is discharged is discharged by discharge nozzle 31 and feed-pipe 21, shown in figure hollow core arrow.Because the height of the feed-pipe mouth of pipe 22 is higher than the height of the discharge nozzle mouth of pipe 32, so feed liquid is at first discharged from discharge nozzle 31.As shown in the figure, the feed liquid of discharge forms the hydraulic pressure of both sides to biogas air chamber D, makes biogas air chamber D form an air pressure and is higher than extraneous pressure air chamber.Even so open air outlet 13, extraneous air also can't enter in the fermentation vat 1, so stopped the condition of blasting.
As shown in Figure 5, the volume of biogas air chamber D constantly increases, till air chamber D extends to the feed-pipe mouth of pipe 22 upper ends.The biogas that continues to produce will be overflowed by feed-pipe 21, shown in bubble among the figure.This moment air chamber D the volume maximum, the maximum gas-storing capacity of this methane-generating pit just, this moment, the air pressure of air chamber D also was to have reached maximum, so want strict this air pressure of control be no more than the pressure that methane-generating pit pond body can bear when the design methane-generating pit.Because the feed-pipe mouth of pipe 22 upper ends to fermentation vat pushes up volume A, the volume B of material-output tank 3, the feed-pipe 21 in the volume V of 11 inboards and charging pond 2 and from the pass that fermentation vat pushes up the partial volume C at 11 to 2 ends of charging pond is in the fermentation vat 1: V=A+B+C.So the volume of the fermented feed liquid that arrange this moment just is full of charging pond 2, material-output tank 3, feed-pipe 21 and discharge nozzle 31.Charging pond 2 and feed-pipe 21, or the hydraulic pressure of material-output tank 3 and discharge nozzle 31 formation certain altitudes adds that normal atmosphere then is the biogas air chamber D pressure of this moment.So the present invention can calculate dynamic air chamber, tolerance and peasant household simply and easily with parameters such as pond sizes, can strictly control the peak pressure that methane-generating pit can bear.In the process of fermentation, also can form a spot of slag charge 51 in the left side of stock retaining wall 16.
In the process of using biogas, as shown in Figure 6.Open air outlet 13, under the hydraulic effect, biogas will shown in arrow among the figure, be used for the illumination or the burning of peasant household from escape pipe 4 ejections.Along with the ejection of biogas, biogas air chamber D will progressively reduce, and the fermented feed liquid liquid level rises in the fermentation vat 1, and the liquid level in charging pond 2 and the material-output tank 3 falls after rise.Continue from the charging pond 2 afterfermentation feed liquids this moment, the liquid level of the liquid level in charging pond 2 and material-output tank 3 forms difference of altitude h, and fermented feed liquid flows orientation from left to right, shown in figure hollow core arrow.In the left side of fermentation vat 1, the fresh feed liquid of replenishing into will drive stock retaining wall 16 left sides and form a spot of slag charge 51, walk around stock retaining wall 16 to its right side, keep stock retaining wall 16 left sides not have sediment, shown in filled arrows among the figure.As shown in Figure 7, when the user does not re-use biogas, close air outlet 13, fermented feed liquid continues fermentation and forms biogas.Biogas air chamber D volume increases once more, and liquid level descends in the fermentation vat 1, and the liquid level of charging pond 2 and material-output tank 3 rises.Under the pressure effect of biogas air chamber D, shown in arrow among the figure, the slag charge 5 that is deposited in fermentation vat 1 bottom can be drained in the material-output tank 3 through discharge nozzle 31.Because the barrier effect of stock retaining wall 16, slag charge 5 can not discharged from feed-pipe 21 substantially.And owing to be higher than 12 other positions at the bottom of the fermentation vat near 12 parts at the bottom of the fermentation vat of the discharge nozzle mouth of pipe 32, thus mainly be that slag charge 5 is discharged under the effect of pressure, other not the feed liquid of fermentation finished thoroughly1 seldom discharge.Slag charge 52 in the material-output tank 3 can be opened pond lid 34 and discharge, shown in filled arrows among the figure.
In the process of using, methane-generating pit repeats the step of Fig. 5 to Fig. 7.Can form pressure air chamber naturally when fermentation vat 1 forms air chamber D as can be seen.Adopt the progressively constant design that discharges naturally of pressure in the use, utilized the principle of equivalent transposition, regulated atmospheric pressure automatically, kept progressively dynamic air chamber of constant and stable tolerance supply.Make fermented product fully fermentation in water, stopped the necessary condition of water surface slagging scorification.Methane-generating pit when operation, when dynamic air chamber is full of combustion gas, the air chamber internal pressure very much not can produce the tempered phenomenon, has been full of the fermented feed liquid of water-based when combustion gas uses up in the air chamber again, has produced fire prevention, explosion-proof potent answering naturally.
As shown in Figure 8, the basic structure of present embodiment is identical with embodiment 1, main structure difference is that present embodiment is provided with opening for feed 23 and flash mouth 33 in the top-side of charging pond 2 and material-output tank 3 respectively, the position of opening for feed 23 is a little more than flash mouth 33, the volume of opening for feed 23 at the bottom of the pond is A ' in the charging pond 2, the volume of flash mouth 33 at the bottom of the pond is B ' in the material-output tank 3, and the feed-pipe mouth of pipe 22 upper ends to fermentation vat pushes up the volume V of 11 inboards and is in the fermentation vat 1: V=A '+B '+C.Same because can there be certain error in the problem of construction precision, but can not be too big, generally be controlled in 5%.Stock retaining wall 16 is d=1/4L with the pass apart from 12 width L at the bottom of d and the fermentation vat at 12 edges at the bottom of the fermentation vat.
Present embodiment need not to open pond lid 24 and carries out charging in the process of using as embodiment 1, also need not to open pond lid 34 and carry out deslagging.Can between opening for feed 23 is connected the material source of fermented feed liquids, flash mouth 33 connects the container of containing slags, further improves the level of automation of methane-generating pit running.As shown in Figure 9, directly fermented feed liquid is poured into the charging pond 2 from opening for feed 23 during charging, progressively be full of fermentation vat 1, shown in figure hollow core arrow.In the process of deslagging, as shown in figure 10, under the gas pressure of biogas air chamber D, slag charge 5 is discharged from discharge nozzle 31.When slag charge 52 was full of material-output tank 3, slag charge 52 overflowed from flash mouth 33 automatically, shown in filled arrows among the figure.And fresh feed liquid can be replenished from opening for feed 23 automatically, shown in figure hollow core arrow.In the use of whole methane-generating pit, need not to open pond lid 24 and 34 as can be seen, easy to use.And pond lid 24 and 34 only just need use in cleaning charging pond and material-output tank.
There is the certain precision error as crossing when building methane-generating pit, as shown in figure 11.There are certain height difference Δ h in 3 ends of material-output tank and fermentation vat top 11, and in the process of charging, when feed liquid was overflowed from the bottom of material-output tank 3, also there was a small-sized air air chamber E in fermentation vat 1 above feed liquid like this.Oxygen among the air air chamber E can make the upper strata slagging scorification of feed liquid, forms a slagging scorification layer 53, has influenced the generation efficient of biogas.But since the present invention in the process of using, the volume of biogas air chamber constantly changes, and constantly replenishes new feed liquid, the volume of biogas air chamber can change in the scope of 0～V.When dynamically air chamber moves automatically and make naturally that the automatic water of fermented product floats stirring in the pond in, 53 fragmentation of slagging scorification layer are sunk at the bottom of the pond, as shown in figure 12.And because floating stirring of water is the rise and fall of vertical liquid level, the zymophyte layer distributes in the pond so do not destroy in the process that stirs, and does not influence the process of fermentation, an omnibearing difficult problem that has solved slagging scorification in the methane-generating pit pond.
The capacity flexibly changing is built in the whole pond of structure of the present invention, methane-generating pit equivalent transposition principle of design is very flexible, can be according to user's requirement, and the treatment capacity of fertile sewage, and the methane-generating pit of building different tankages uses for the user, and capacity can be from several cubes to hundreds of cube.Be suitable for large-scale stock-farms and need adopt large-scale methane-generating pit, capacity can reach hundreds of cube, so the pressure in the fermentation vat will be very big.So when having higher sealing property, also need and detect between each sealing member whether cooperate detection means closely.The structure of present embodiment is done further improvement to embodiment 1, makes it have higher safety performance in being suitable for the large vol methane-generating pit.The structure of improvement is to be provided with in pond mouth 14 outsides to enclose well 7, and Jing Qiang is higher than pond lid 15, as shown in figure 13.Because pond mouth 14 is to press close to biogas air chamber D and have the structure that member cooperates, exist higher biogas to leak hidden danger.Whether the present invention is in the process of using, and methane-generating pit is whole buried in underground, as Figure 14, should pay close attention to pond mouth 14 and leak gas.The structure of enclosing well 7 of this enforcement is in the process of using, and pours into water in enclosing well 7, forms a watertight seal 6, as shown in figure 14.And if pond mouth 14 is when having biogas to leak, can observe watertight seal 6 has bubble to emerge, thereby plays sealing and leakproof dual function.
In use of the present invention, general with the buried position darker of biomass pool structure in ground.As shown in figure 14, fermented feed liquid apart from the depth H on ground generally more than 1.5 meters.The structure of deep embeded type can not be subjected to the influence of surface temperature, does not have resting stage, can use wide geographic area.And because the pond body is embedded in undergroundly, need not artificial maintenance and scarfing cinder, build the pond after ground clean very much, can plant, can afforest, can build a house.
Claims (10)
1. methane-generating pit, comprise fermentation vat (1), charging pond (2) and material-output tank (3), charging pond (2) and material-output tank (3) are communicated with fermentation vat (1) by feed-pipe (21) and discharge nozzle (31) respectively, charging pond (2) is not less than material-output tank (3), material-output tank (3) end and fermentation vat top (11) maintain an equal level, the feed-pipe mouth of pipe (22) on the fermentation vat (1) is higher than the discharge nozzle mouth of pipe (32), fermentation vat top (11) is provided with air outlet (13), it is characterized in that the feed-pipe mouth of pipe (22) upper end is to the volume V of inboard, fermentation vat top (11) and the volume A of charging pond (2) in the fermentation vat (1), the volume B of material-output tank (3), the pass of feed-pipe (21) from fermentation vat top (11) to the partial volume C at the end, charging pond (2) is: (A+B+C) * and 1.08＞V＞(A+B+C) * 0.92.
2. methane-generating pit according to claim 1, it is characterized in that (12) are provided with a stock retaining wall (16) near the feed-pipe mouth of pipe (22) one sides at the bottom of fermentation vat (1) fermentation vat, stock retaining wall (16) with the pass apart from (12) width L at the bottom of d and the fermentation vat at (12) edge at the bottom of the fermentation vat is: 1/6L＜d＜5/12L.
3. methane-generating pit according to claim 2, it is characterized in that fermentation vat at the bottom of (12) to small part be the scarp, be higher than (12) other positions at the bottom of the fermentation vat near (12) part at the bottom of the fermentation vat of the discharge nozzle mouth of pipe (32).
4. methane-generating pit according to claim 3 is characterized in that the Chi Gai (15) that fermentation vat top (11) is provided with Chi Kou (14) and is mated, and described air outlet (13) are located on the Chi Gai (15).
5. methane-generating pit according to claim 4 is characterized in that being provided with outside Chi Kou (14) and encloses well (7), and Jing Qiang is higher than Chi Gai (15).
6. methane-generating pit according to claim 1, the described fermentation vat of its feature (1) is semisphere, and air outlet (13) are positioned at hemispheric top.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described methane-generating pits, it is characterized in that respectively opening for feed (23) and flash mouth (33) being set in the top-side of charging pond (2) and material-output tank (3), the position of opening for feed (23) is not less than flash mouth (33), the volume of opening for feed (23) at the bottom of the pond is A ' in the charging pond (2), the volume of flash mouth (33) at the bottom of the pond is B ' in the material-output tank (3), and the inboard volume V in the feed-pipe mouth of pipe (22) upper end to fermentation vat top (11) is in the fermentation vat (1): (A '+B '+C) * 1.08＞V＞(A '+B '+C) * 0.92.
8. automatic sludge discharge method that is applicable to the described methane-generating pit of claim 1, it is characterized in that the air chamber in the described fermentation vat (1) is the pure biogas air chamber according to the hydraulic pressure dynamic change volume of charging pond (2) and material-output tank (3), utilize the air pressure that variation produced of biogas air chamber volume, the fermentation slag charge bottom the fermented feed liquid is extruded by discharge nozzle (31).
9. automatic sludge discharge method according to claim 8 is characterized in that may further comprise the steps:
1. till injecting fermented feed liquid to fermented feed liquid and overflow at the bottom of material-output tank (3) pond at least from charging pond (2);
2. close air outlet (13), make fermented feed liquid under bacteriological action, carry out the anaerobic reaction and produce biogas;
3. reacted fermentation slag charge proportion sinks to greatly at the bottom of the pond, and biogas rises to methane-generating pit top (11) and forms pure biogas air chamber;
4. under the action of air pressure of pure biogas air chamber, the fermented feed liquid liquid level descends, and the fermentation slag charge at the bottom of the pond is discharged from material-output tank (3) through discharge nozzle (31).
10. automatic sludge discharge method according to claim 9 is characterized in that further comprising the steps of:
5. open air outlet (13) and use biogas, pure biogas air chamber volume is reduced, the fermented feed liquid liquid level gos up;
6. fermented feed liquid injects from charging pond (2), replenishes the space that reduces;
7. close air outlet (13), make fermented feed liquid continue to produce biogas, liquid level descends once more, discharges the fermentation slag charge;
8. be separated by an end time repeating step 5. to 7., the liquid level of fermented feed liquid is moved up and down, constantly discharge the fermentation slag charge, and make that the fermented feed liquid that is in liquid level can the slagging scorification crust.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101550429A (en) * | 2009-05-08 | 2009-10-07 | 广东省技术经济研究发展中心 | A water vapor transposition methane producing method and water vapor transposition methane tank |
| CN102653716B (en) * | 2011-03-01 | 2014-07-30 | 四川蒙特新能源科技有限公司 | Overflow dry-type anaerobic fermentation tank |
| CN105462819B (en) * | 2015-12-29 | 2018-03-30 | 郝迪生 | A kind of methane-generating pit |
| CN108220133A (en) * | 2016-12-12 | 2018-06-29 | 广西科学院 | A kind of novel hydraulic biogas generating pit apparatus |
| CN108220131A (en) * | 2016-12-12 | 2018-06-29 | 广西科学院 | A kind of efficient hydraulic type biomass pool device |
| CN108220132A (en) * | 2016-12-12 | 2018-06-29 | 广西科学院 | A kind of hydraulic methane pool device for exempting from crust |
| CN108823078B (en) * | 2018-09-12 | 2024-04-12 | 陈观梯 | Anaerobic methane tank structure |
| CN112940913A (en) * | 2021-04-23 | 2021-06-11 | 王进洋 | Multiple fermentation tank combined methane tank with double star belt overflow tank |
| CN114623368B (en) * | 2022-03-31 | 2023-04-07 | 农业部沼气科学研究所 | Method for reducing methane escape of household methane tank |
| CN115572666B (en) * | 2022-09-08 | 2024-05-03 | 安徽捷思新材料科技有限公司 | Biogas residue precipitation hardening device is prevented in no dead angle light disturbance of biogas degradation pond |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535416Y (en) * | 2002-03-21 | 2003-02-12 | 陈观梯 | Deep-hidden methane tank |
| CN2756632Y (en) * | 2004-12-24 | 2006-02-08 | 西畴展鸿亚麻有限责任公司 | Automatic material discharging methane pool for flax filing prefabricated piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535416Y (en) * | 2002-03-21 | 2003-02-12 | 陈观梯 | Deep-hidden methane tank |
| CN2756632Y (en) * | 2004-12-24 | 2006-02-08 | 西畴展鸿亚麻有限责任公司 | Automatic material discharging methane pool for flax filing prefabricated piece |
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