CN102586086A - Methane collecting and pressurizing device and methane-generating pit adopting same - Google Patents
Methane collecting and pressurizing device and methane-generating pit adopting same Download PDFInfo
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Abstract
The invention discloses a methane collecting and pressurizing device and a methane-generating pit adopting the device, and belongs to the technical field of methane-generating pits. The methane collecting and pressurizing device comprises a collecting bag arranged in a closed methane-generating pit, wherein the collecting bag covers a liquid level, the opening of the collecting bag is immersed below the liquid level, and a gas guiding pipe is arranged at the top of the collecting bag. The methane-generating pit comprises a concrete foundation and a main pit fixed on the concrete foundation, wherein the top of the main pit is sealed with a protective cover, a gas overflow pipe is arranged on the protective cover, the methane collecting and pressurizing device is located in the middle of the main pit and is used for collecting methane generated by the methane-generating pit below the methane collecting and pressurizing device, and the gas guiding pipe extends out of the main pit. According to the invention, the methane collecting and pressurizing device is applied to the methane-generating pit, so that the fermentation collecting and automatic pressurizing of methane are realized; and the methane-generating pit can realize automatic collection and circular pressurizing of methane, and does not need any external machines for pressurizing, so that the structure is simplified.
Description
Technical field
The present invention relates to a kind of methane-generating pit, particularly a kind of roof pressing type large vol methane-generating pit that surpasses the household biogas tankage.
Background technology
At present large, medium and small is jumbo methane-generating pit; No matter how structure, material change; Generally all there are anaerobic fermentation tank and gas holder to exist simultaneously, could realize the function of aerogenesis and air storage, and using the requirement that to satisfy normal use under the condition that adds air pressure.Its complex structure, floor space is big, and cost is high.
So far also do not have a kind of large, medium and small large vol methane-generating pit that promptly surpasses the household biogas tankage, only depend on an anaerobic fermentation tank is set can realizes aerogenesis, air storage, the biogas pressure that can raise voluntarily again satisfies the normal requirement of using.
Application number is: 200920079317.3, and name is called: the drift along Chinese utility model patent of methane-generating pit of biogas cover of full-automatic glass steel is housed, discloses a kind of methane-generating pit; Can drift along automatically at the glass steel cage of liquid level through above the methane-generating pit liquid level, being provided with one, this methane-generating pit is used to collect methane-generating pit through simple structure, but its being resuspended to certainly on the liquid level through the glass steel cage; In the glass steel cage collected biogas more for a long time, the lower rim of glass steel cage possibly surpass liquid level, makes collected biogas leak away from the edge of glass steel cage; This sludge gas collecting device simultaneously; Also be the glass steel cage, only can realize the collecting action of biogas, and adopt glass reinforced plastic to process; Can't monitor the situation of its collecting methane at all, be unfavorable for control.
Summary of the invention
Goal of the invention of the present invention is: the problem to above-mentioned existence provides a kind of simple in structure, quick for installation; Easy to maintenance, with low cost, the collecting methane of convenient transportation and supercharging device and adopt the methane-generating pit of this device; This collecting methane and supercharging device are applied in the methane-generating pit, can realize that the fermentation of biogas is collected and supercharging automatically, changed the structure of traditional fermentor tank and gas-holder; Make it can control the force value of biogas; And structure is very easy, and is with low cost, is fit to apply.Be provided with the methane-generating pit of this collecting methane and supercharging device, can realize that biogas collects circulation pressurization automatically, need not any exterior mechanical pressurization; Through collect with supercharging device in methane-generating pit sealed structure; Thereby give the biogas supercharging in the methane-generating pit, guarantee the outwards biogas pressure value of conveying, thereby simplified its structure; Reduced cost, and operation is very easy.
The technical scheme that the present invention adopts is following:
Collecting methane of the present invention and supercharging device, it comprises the collecting bag that is arranged in the airtight methane-generating pit, said collecting bag is covered in liquid level, and its opening is dipped in below the liquid level, is provided with gas tube at the top of collecting bag.
Owing to adopted said structure; Collecting bag can apply in the airtight methane-generating pit, and cooperates methane-generating pit to use, and is used to collect the biogas that the fermented feed liquid reaction of its below is produced; Top at collecting bag is provided with gas tube, can the biogas of collecting is used for discharging using.Because this collecting methane and supercharging device need be installed in the methane-generating pit in use, be covered on the liquid level, and combine the height of the fermented feed liquid in the methane-generating pit; The height of fermented feed liquid need cover the lower rim of this collecting bag, also is that the opening of collecting bag is dipped in below the liquid level, and the biogas that feed liquid fermentation back produces gets in the collecting bag; When the tolerance in the collecting bag increases, the feed liquid in the collecting bag is pressed into outside the collecting bag, thereby makes liquid level rise or the collecting bag come-up; The feed liquid on top that tolerance is pressed into collecting bag more greatly is just many more, and liquid level is just high more, because methane-generating pit is a closed structure; Thereby the space on collecting bag top is compressed, and the air pressure on collecting bag top increases, thereby affacts the surface of collecting bag; Make that the gaseous tension in the collecting bag is just big more, the pressure of the difference of altitude formation of liquid level in the top liquid level that the gaseous tension in the collecting bag equals collecting bag and the gas tank, thus reach the most anticyclonic purpose of control through the control of liquid level difference; Therefore this collecting methane and supercharging device are in terms of existing technologies; Except collecting the biogas, can also apply in the airtight methane-generating pit through its structure, realize it and collect the circulation pressurization automatically.Collecting methane of the present invention and supercharging device apply in the airtight methane-generating pit, the alternative traditional one grade fermemtation pond and the function of secondary gas-holder; The automatic lifting of feed liquid, realization biogas is collected the circulation pressurization automatically, under the situation that need not the exterior mechanical pressurization; Satisfying biogas carries and the air pressure requirement of using; For the member of methane-generating pit reduces half at least, therefore build pond efficient and double at least, thereby reduced production cost simultaneously.Collecting methane of the present invention and supercharging device; Its mounting height can satisfy setting air pressure can guarantee that again the collecting bag upper volume is not less than the gas tank volume simultaneously; Make the biogas in the methane-generating pit collect voluntarily, and rise or descend by the liquid level rising or the automatic biogas pressure that forms that descends.
Collecting methane of the present invention and supercharging device, the below of said collecting bag is provided with the collecting bag bracing frame, and the collecting bag bracing frame upwards supports collecting bag formation gas tank.
Owing to adopted said structure, the collecting bag bracing frame is set below collecting bag, this collecting bag bracing frame can support the formation gas tank with collecting bag, is used to collect the biogas that its below produces.This collecting bag bracing frame mainly is that collecting bag is played a part support, can guarantee the general shape of collecting bag, and this gas tank is convex structure; Specifically can combine with cylindrical for semisphere or hemisphere, perhaps other structure formation makes to can be used for collecting biogas in this gas tank; Simultaneously in order to cooperate the use of collecting bag; This collecting bag bracing frame can be arranged in the methane-generating pit, makes gas tank that collecting bag forms in the fermented feed liquid of methane-generating pit, keeps its basic structure formation; Avoid collecting bag that bigger distortion takes place in the feed liquid of methane-generating pit, the effect of biogas is collected in influence then.Because this collecting methane and supercharging device need be installed in the methane-generating pit in use; And the height of the fermented feed liquid in the combination methane-generating pit; The height of fermented feed liquid need cover the lower rim of this collecting bag, and the biogas that feed liquid fermentation back produces gets in the gas tank of collecting bag formation, when tolerance increases; Feed liquid in the gas tank is pressed into the top of gas tank; The feed liquid on top that tolerance is pressed into gas tank more greatly is just many more, and liquid level is just high more, thereby makes the gaseous tension in the gas tank just big more; Gaseous tension with the difference of altitude of liquid level in the top liquid level of gas tank and the gas tank exist must get in touch, thereby make the control through the liquid level difference reach the most anticyclonic purpose of control.
Collecting methane of the present invention and supercharging device, said collecting bag and collecting bag bracing frame are fixed on the bottom of airtight methane-generating pit through pull bar, and the opening of collecting bag and collecting bag bracing frame is dipped in below the liquid level.
Owing to adopted said structure, the bottom of collecting bag and collecting bag bracing frame is connected on the pull bar, and an other end of pull bar is connected to the bottom of methane-generating pit then; And this pull bar presents shape straight up, can certainly pull bar be processed crooked or other structure formation according to practical situation, can collecting bag and collecting bag bracing frame be connected to the sidewall or the top of methane-generating pit certainly through pull bar according to the demand of reality; Only need to satisfy the middle part that collecting bag and collecting bag bracing frame is positioned at methane-generating pit, and gas tank is convex structure, is convenient to collect biogas and gets final product; Collecting bag and collecting bag bracing frame are positioned at the middle part of methane-generating pit, also are the middle part that gas tank is positioned at methane-generating pit, and the opening that needs to guarantee collecting bag and collecting bag bracing frame is dipped in below the liquid level; Thereby be convenient to gas tank and collect the biogas that the feed liquid reaction produces in the methane-generating pit of its below; Reinforced simultaneously liquid level is above the height of the end opening of collecting bag, and the biogas that feed liquid fermentation back produces gets in the gas tank of collecting bag formation, when tolerance increases; Feed liquid in the gas tank is pressed into gas tank top; The feed liquid that tolerance is pressed into gas tank top more greatly is just many more, and liquid level is just high more, thereby makes the gaseous tension in the gas tank just big more; Gaseous tension equals the difference of altitude of liquid level in gas tank top liquid level and the gas tank, thereby reaches the most anticyclonic purpose of control through the control of liquid level difference.
Collecting methane of the present invention and supercharging device, said gas tank are hemispherical dome structure or hemisphere and cylindrical structure combining.
Owing to adopted said structure; This gas tank mainly is made up of collecting bag and collecting bag bracing frame, and the collecting bag bracing frame supports whole collecting bag and be hemispherical dome structure, and perhaps the top is a semisphere; The hemispheric following cylindrical configuration that combines; Thereby make this device can collect the biogas of its below, and with collecting methane in this gas tank, its concrete structure can be selected according to the size of the methane-generating pit of reality.
The methane-generating pit of employing collecting methane of the present invention and supercharging device; Concrete foundation and be fixed in the main pond on the concrete foundation; The top seal in said main pond has protective guard, forms airtight biomass pool body, and excessive tracheae is set on protective guard; The opening of said collecting methane and supercharging device is dipped in below the liquid level in the main pond, and said gas tube passes outside the main pond.
Owing to adopted said structure, this methane-generating pit is built on the concrete foundation, and therefore this main pond is fixed and is sealed on this concrete foundation; And the top seal in main pond has protective guard, is integrally formed the formula closed structure, and protective guard is provided with excessive tracheae; Be used to discharge the gas in the protective guard, and protective guard plays collection residual air, prevent the effect that foul smell distributes; Collecting methane and supercharging device are positioned at the middle part in main pond, be mainly used in the biogas of the methane-generating pit generation of collecting its below, and the liquid level of the feed liquid in the methane-generating pit should surpass the height of the end opening of collecting methane and supercharging device; The opening that is collecting methane and supercharging device is dipped in below the liquid level, and the biogas that feed liquid fermentation back produces gets in the gas tank of collecting bag formation, when tolerance increases; Feed liquid in the gas tank is pressed into collecting bag top along gap or liquid pass hole between collecting bag and the main pond; Thereby reduced the space on collecting bag top, made its upper space pressure increase, the feed liquid that the tolerance in collecting bag is pressed into collecting bag top more greatly is just many more; Liquid level is just high more, thereby makes the gaseous tension in the gas tank just big more.Gaseous tension equals the pressure of the difference of altitude formation of liquid level in collecting bag top liquid level and the gas tank; Thereby the control through the liquid level difference reaches the most anticyclonic purpose of control; Need not to be provided with in addition the secondary gas-holder, escaping in gas tank and the feed liquid received and kept and regularly emptying or utilization in excessive gas and the stink entering protective guard.Biogas in the collecting bag is delivered to the user through the gas tube gravity flow and is used.The methane-generating pit of employing collecting methane of the present invention and supercharging device can realize that biogas collects circulation pressurization automatically, need not any exterior mechanical pressurization, thereby has simplified its structure, reduced cost, and operation is very easy.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, the bottom of collecting bag and/or collecting bag bracing frame is fixedly connected on the concrete foundation through pull bar.
Owing to adopted said structure; Different according to collecting methane and supercharging device structure; Can the bottom of bottom, collecting bag and the collecting bag bracing frame of the bottom of collecting bag, collecting bag bracing frame be connected on the pull bar, and be fixed on the concrete foundation of biogas bottom, thereby guarantee that collecting methane and supercharging device can be positioned at the middle part of methane-generating pit through this pull bar; Then the fermentation of being convenient to feed liquid is collected; Different and the supercharging automatically according to the height of liquid level simultaneously, the difference of altitude of the setting installation site of collecting bag end opening to main pond desired location suitable for reading should satisfy and set air pressure and guarantee again that simultaneously going up pool volume is not less than the gas tank volume.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, said collecting bag is provided with liquid pass hole, is provided with the gap between perhaps said collecting bag and the main pond, makes the upper and lower of collecting bag connect each other.
Owing to adopted said structure; For the perforation between the below of the top that guarantees collecting bag and collecting bag; Thereby being convenient to feed liquid upwards perhaps flows downward; Therefore can on the edge of collecting bag, liquid pass hole be set, thereby satisfy the effect that collecting bag feed liquid up and down connects, make collecting bag can play the effect of collecting methane and automatic supercharging then; Can certainly select less collecting bag according to the needs of reality, make to have the gap between the inwall in edge and main pond of collecting bag, realize the collecting bag up/down perforation equally, effect that can the unrestricted flow feed liquid.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, the below of said protective guard is provided with the protective guard bracing frame, and said protective guard bracing frame is sealedly attached on the main pond, and said protective guard bracing frame supports protective guard shape pouch gas tank.
Owing to adopted said structure, the protective guard bracing frame is set below protective guard, this protective guard bracing frame is sealedly attached to the top in main pond simultaneously; And the protective guard bracing frame supports protective guard shape pouch gas tank; Thereby the bag shape gas tank that makes this protective guard form plays collection residual air, prevents the effect that foul smell distributes, and when the feed liquid unreacted in the methane-generating pit; Guarantee that this protective guard keeps its original structure formation, thereby guarantee the normally safe in utilization of methane-generating pit.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, said collecting bag is divided into up and down two portions with main pond, has been respectively the lower storage reservoir of fermentation vat effect and to the upper storage reservoir of biogas supercharging.
Be divided into lower storage reservoir owing to adopted said structure, main pond to be collected bag, wherein lower storage reservoir has been mainly used in the fermentation vat effect; Upper storage reservoir then is mainly used in provides the space; When the feed liquid in lower storage reservoir is forced out, the biogas in the collecting bag is played supercharging, play with of the effect of top hydraulic pressure to the biogas supercharging.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, said main pond is processed by steel plate, fw frp or piecing assembly stem pressing glass reinforced plastics plate.
Owing to adopted said structure, make that on the one hand the material of this methane-generating pit is alternative big, can select according to the requirement of reality, generalization is strong; In addition on the one hand on the basis of the various performances that can guarantee biogas, the low material of alternative costs as far as possible, thus help reducing the cost of whole methane-generating pit, be convenient to promote and quote.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, collecting methane of the present invention and supercharging device apply in the methane-generating pit, can realize that the fermentation of biogas is collected and supercharging automatically, have changed the structure of traditional fermentor tank and gas-holder, make structure very easy, with low cost, are fit to apply;
2, the methane-generating pit of this collecting methane of employing of the present invention and supercharging device can realize that biogas collects circulation pressurization automatically, need not any exterior mechanical pressurization, thereby has simplified its structure, reduced cost, and operation is very easy.
Description of drawings
Fig. 1 is collecting methane of the present invention and supercharging device and the structural representation that adopts the methane-generating pit of this device.
Mark among the figure: 1-master pond, 2-collecting bag, 3-protective guard, 4-pull bar, 5-concrete foundation, 6-gas tube, the excessive tracheae of 7-, 8-collecting bag bracing frame, 9-protective guard bracing frame, 10-gas tank, 11-bag shape gas tank, 12-lower storage reservoir, 13-upper storage reservoir, 14-collecting bag end opening.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, collecting methane of the present invention and supercharging device comprise the collecting bag 2 that is arranged in the methane-generating pit; This collecting bag 2 can be by independent manufacturing; And can combine airtight methane-generating pit to use, the opening of said collecting bag 2 is dipped in below the liquid level, promptly is arranged at common methane-generating pit inside; Its lower edge is less than the diameter of methane-generating pit inwall; Feed liquid liquid level in the methane-generating pit is higher than the opening of this collecting bag 2 simultaneously, is provided with gas tube 6 at the top of collecting bag 2, and this gas tube 6 can be drawn the biogas in the collecting bag 2 and used.Below collecting bag 2, be provided with collecting bag bracing frame 8, said collecting bag bracing frame 8 is arranged in the methane-generating pit, and said collecting bag bracing frame 8 upwards supports collecting bag 2 formation gas tanks 10; Gas tank 10 is hemispherical dome structure or hemisphere and cylindrical structure combining; Can certainly select other structure according to the needs of reality, be advisable to satisfy its function, gas tank 10 makes the biogas that fermented feed liquid produced of its below can enter in the gas tank 10; And can the feed liquid in the gas tank 10 be extruded; Because the diameter of collecting bag 2 lower edges is less than the diameter of methane-generating pit inwall, the fermented feed liquid that therefore is forced out can be pressed into the top of gas tank 10, and the feed liquid on top that the tolerance when gas tank 10 in is pressed into gas tank 10 more greatly is just many more; Liquid level is just high more, thereby makes the gaseous tension in the gas tank 10 just big more.Gaseous tension equals the difference of altitude of liquid level in top liquid level and the gas tank of gas tank 10, thereby reaches the most anticyclonic purpose of control through the control of liquid level difference.Said collecting bag 2 and collecting bag bracing frame 8 are fixed on the bottom of methane-generating pit through pull bar 4; Make collecting bag 2 and collecting bag bracing frame 8 be positioned at the middle part of methane-generating pit; Collecting bag 2 is with the purpose that collecting bag bracing frame 8 is positioned at the middle part of methane-generating pit; The opening of being convenient to control collecting bag 2 and collecting bag bracing frame 8 is dipped in below the liquid level; Reinforced liquid level can surpass the height of the end opening 14 of collecting bag, can carry out fermentation reaction from guaranteeing its below, and top hydraulic pressure carries out supercharging to biogas effect can be carried out in its top.Therefore also can pull bar is fixed collecting bag 2 and collecting bag bracing frame 8, and an other end be fixed on the inwall or top of methane-generating pit, is advisable to satisfy actual needs according to the needs of reality.
Collecting methane of the present invention and supercharging device apply in the methane-generating pit, can realize that the fermentation of biogas is collected and increase automatically, have changed the structure of traditional fermentor tank and gas-holder, make structure very easy, with low cost, are fit to apply.
As shown in Figure 1, the methane-generating pit of employing collecting methane of the present invention and supercharging device, concrete foundation 5 is adopted in the bottom of this methane-generating pit; And its sidewall is main pond 1, is processed by steel plate, fw frp or piecing assembly stem pressing glass reinforced plastics plate, can select according to practical situation; Said main pond 1 is fixed on the concrete foundation 5; Top seal in main pond 1 is fixed with protective guard 3, and the below of protective guard 3 is provided with protective guard bracing frame 9, and said protective guard bracing frame 9 is sealedly attached on the main pond 1; Form airtight methane-generating pit; Said protective guard bracing frame 9 supports protective guard 3 shape pouch gas tanks 11, and the gas tank 11 that protective guard 3 forms plays collection residual air, prevents the effect that foul smell distributes.Protective guard 3 is provided with the tracheae 7 that overflows.Be provided with collecting bag 2 at the middle part of methane-generating pit, collect the biogas that its below methane-generating pit produces, the opening of said collecting bag 2 is dipped in below the liquid level; Be provided with gas tube 6 at the top of collecting bag 2, said gas tube 6 passes outside the main pond 1, the biogas in the collecting bag 2 is drawn use; The below of collecting bag 2 is provided with collecting bag bracing frame 8, and said collecting bag bracing frame 8 is arranged in the methane-generating pit, and said collecting bag bracing frame 8 upwards supports collecting bag 2 formation gas tanks 10; The bottom of collecting bag 2 and collecting bag bracing frame 8 is fixedly connected on the concrete foundation 5 through pull bar 4; Collecting bag 2 is divided into up and down two portions with main pond 1, has been respectively the lower storage reservoir 12 of fermentation vat effect and to the upper storage reservoir 13 of biogas supercharging, and on the sidewall in main pond 1, also is provided with feed-pipe; Be convenient to fermented feed liquid is infeeded in the main pond 1; Said collecting bag 2 is provided with liquid pass hole, perhaps collecting bag 2 is set to and main pond 1 between have the gap so that the fermented liquid of lower storage reservoir 12 rise to get in the upper storage reservoir 13.Collecting bag 2 can be made by the polymer soft composite material with protective guard 3, can select arbitrarily according to actual needs to use.
The methane-generating pit of employing collecting methane of the present invention and supercharging device; Fermented feed liquid gets into lower storage reservoir 12 via feeding-passage; Reinforced liquid level should surpass the height of the end opening 14 of collecting bag, in the gas tank 10 that the biogas entering collecting bag 2 that feed liquid fermentation back produces forms, when tolerance increases; Feed liquid in the gas tank 10 is pressed in the upper storage reservoir 13 along gap between collecting bag 2 and the main pond 1 or liquid pass hole; The feed liquid that tolerance is pressed into upper storage reservoir 13 more greatly is just many more, and liquid level is just high more, thereby makes the gaseous tension in the gas tank 10 just big more; Gaseous tension equals the difference of altitude of liquid level in upper storage reservoir liquid level and the gas tank, and escaping in gas tank and the feed liquid received and kept and regularly emptying or utilization in excessive gas and the stink entering protective guard 13.
There is the biogas of air pressure to deliver to user's use through gas tube 6 gravity flows; The volume of gas tank 10 is set by 1/3rd of main pool volume; The difference of altitude of the setting installation site of collecting bag end opening 14 to main pond desired location suitable for reading should satisfy setting air pressure and guarantee again that simultaneously going up pool volume is not less than the gas tank volume.
The methane-generating pit of employing collecting methane of the present invention and supercharging device, designs simplification, in a main pond, a suitable spherical collecting bag being installed is the function of alternative one grade fermemtation pond and secondary gas-holder; It is quick for installation to build the pond, because member reduces half at least, therefore builds pond efficient and doubles at least; The feed liquid automatic lifting, realization biogas is collected the circulation pressurization automatically, under the situation that need not the exterior mechanical pressurization, satisfies the air pressure requirement that biogas is carried and used; Practice thrift cost, saving member material cost, labour cost cost and mechanical energy consumption running cost; Convenient transportation is because the present invention is mainly with the supporting use of our company's large, medium and small methane-generating pit of patented product mold pressing plate assembly type, so transportation is very convenient; Cleaning, odorless have prevented distributing of foul smell stink; It is easily convenient to be packed into the pond when using straw to make fermentation raw material.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. collecting methane and supercharging device; It is characterized in that: it comprises the collecting bag (2) that is arranged in the airtight methane-generating pit; Said collecting bag (2) is covered in liquid level, and its opening is dipped in below the liquid level, is provided with gas tube (6) at the top of collecting bag (2).
2. collecting methane as claimed in claim 1 and supercharging device is characterized in that: the below of said collecting bag (2) is provided with collecting bag bracing frame (8), and collecting bag bracing frame (8) upwards supports collecting bag (2) formation gas tank (10).
3. collecting methane as claimed in claim 2 and supercharging device; It is characterized in that: said collecting bag (2) and collecting bag bracing frame (8) are fixed on the bottom of airtight methane-generating pit through pull bar (4), and the opening of collecting bag (2) and collecting bag bracing frame (8) is dipped in below the liquid level.
4. like claim 2 or 3 described collecting methane and supercharging devices, it is characterized in that: said gas tank (10) is hemispherical dome structure or hemisphere and cylindrical structure combining.
5. methane-generating pit that adopts described collecting methane of claim 1 to 4 and supercharging device; It is characterized in that: it comprises concrete foundation (5) and is fixed in the main pond (1) on the concrete foundation (5); The top seal in said main pond (1) has protective guard (3); Form airtight biomass pool body; Excessive tracheae (7) is set on protective guard (3), and the opening of said collecting methane and supercharging device is dipped in below the liquid level in the main pond (1), and said gas tube (6) passes outside the main pond (1).
6. the methane-generating pit of employing collecting methane as claimed in claim 5 and supercharging device is characterized in that: the bottom of collecting bag (2) and/or collecting bag bracing frame (8) is fixedly connected on the concrete foundation (5) through pull bar (4).
7. the methane-generating pit of employing collecting methane as claimed in claim 5 and supercharging device; It is characterized in that: said collecting bag (2) is provided with liquid pass hole; Be provided with the gap between perhaps said collecting bag (2) and main pond (1), make the upper and lower of collecting bag (2) connect each other.
8. like the methane-generating pit of claim 5 or 6 or 7 described employing collecting methanes and supercharging device; It is characterized in that: the below of said protective guard (3) is provided with protective guard bracing frame (9); Said protective guard bracing frame (9) is sealedly attached on the main pond (1), and said protective guard bracing frame (9) supports protective guard (3) shape pouch gas tank (11).
9. the methane-generating pit of employing collecting methane as claimed in claim 8 and supercharging device is characterized in that: said collecting bag (2) Jiang Zhuchi (1) is divided into up and down two portions, has been respectively the lower storage reservoir (12) of fermentation vat effect and to the upper storage reservoir (13) of biogas supercharging.
10. like the methane-generating pit of claim 5 or 6 or 7 or 9 described employing collecting methanes and supercharging device, it is characterized in that: said main pond (1) is processed by steel plate, fw frp or piecing assembly stem pressing glass reinforced plastics plate.
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| CN2012100674132A CN102586086B (en) | 2012-03-15 | 2012-03-15 | Methane collecting and pressurizing device and methane-generating pit adopting same |
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| CN2012100674132A CN102586086B (en) | 2012-03-15 | 2012-03-15 | Methane collecting and pressurizing device and methane-generating pit adopting same |
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| CN102586086B CN102586086B (en) | 2013-01-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105152319A (en) * | 2015-07-07 | 2015-12-16 | 扬州市正源市政环保工程有限公司 | Anaerobic fermentation tower negative pressure protection apparatus |
| CN109825339A (en) * | 2019-03-08 | 2019-05-31 | 黄冈师范学院 | The device and method of simple collection and purification storage methane conveying |
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| CN200961136Y (en) * | 2006-10-12 | 2007-10-17 | 齐永先 | Highly effective biomass pool |
| CN201010646Y (en) * | 2007-03-08 | 2008-01-23 | 赵同高 | Integrated voltage-stabilized floating cover type biogas generating pit |
| CN202390436U (en) * | 2012-03-15 | 2012-08-22 | 成都泓奇实业股份有限公司 | Methane collecting and pressurizing device and methane tank utilizing same |
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| CN2723444Y (en) * | 2004-06-29 | 2005-09-07 | 刘招华 | Household simple methane pool in cuontryside |
| EP1801037A1 (en) * | 2005-12-23 | 2007-06-27 | agraferm technologies AG | Cover for slurry tank, biogas storage and similar and method of covering a slurry tank or biogas storage |
| CN200961136Y (en) * | 2006-10-12 | 2007-10-17 | 齐永先 | Highly effective biomass pool |
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| CN105152319A (en) * | 2015-07-07 | 2015-12-16 | 扬州市正源市政环保工程有限公司 | Anaerobic fermentation tower negative pressure protection apparatus |
| CN105152319B (en) * | 2015-07-07 | 2017-12-19 | 扬州市正源市政环保工程有限公司 | A kind of anaerobic fermentation tower negative-pressure protection device |
| CN109825339A (en) * | 2019-03-08 | 2019-05-31 | 黄冈师范学院 | The device and method of simple collection and purification storage methane conveying |
| CN109825339B (en) * | 2019-03-08 | 2024-05-28 | 黄冈师范学院 | Device and method for simply collecting, purifying, storing and conveying biogas |
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| CN102586086B (en) | 2013-01-16 |
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