CN204661681U - Cross Sheng gas collector - Google Patents

Abstract

The utility model disclosed Sheng gas gathering system, it comprises inflator, plate one, air guide piston, upper piston connecting rod, be provided with plate in inflator and in the lump inflator inner chamber be separated into Zuo Qu and You Qu be interconnected up and down, air guide piston is slidably socketed between cylinder inner wall and plate one, left differentiation is divided into upper left district and lower-left district by air guide piston, the upper end of air guide piston is connected with upper piston connecting rod, and upper piston connecting rod top is provided with annular air guide groove, and inflator is provided with inlet mouth; The below useful area S1 of air guide piston is greater than top useful area S2, inlet mouth is connected with the gas storage plate of methane fermentation system, upper piston connecting rod sleeve is connected to the fixed block being fixed on inflator top, Air sac cover is connected on fixed block and also fixes with it, is provided with the limited step being fixed on cylinder inner wall and being fixed on plate one in left district.

Description

Cross Sheng gas collector

Technical field

The present invention relates to one and cross Sheng gas collector.

Background technology

The methane-generating pit latest national standards issued for 2002 comprises 5 kinds of pond types, i.e. hydraulic type cylinder methane-generating pit, separation float cover type biogas generating pit, meandering distribution methane-generating pit, prefabricated section (round shape) methane-generating pit and elliposoidal methane-generating pit; Cylinder methane-generating pit had both been pipeline type methane-generating pit, and fermentation raw material enters fermentation in fermentation pipeline and produces biogas, and in fermentation pipeline inner accumulated, easily caused the obstruction of fermentation pipeline; If obstructive position is comparatively dark, usually adopt all foreign material removed in fermentation pipeline, more logical by body of rod stamp.

Animal excrement are fermented the natural pond liquid made, and tasteless and fertilizer efficiency after fermentation after fermentation is more than 10 times of general chemistry synthetic fertilizer; Water quality characteristic is very easily absorbed by plants, and can not as chemical fertilizer, and natural pond liquid usage quantity too much also can not burn seedling, as the first-selected fertilizer of green ecological plantation, natural pond liquid has: effect of expelling parasite, desinsection, and the lethality rate of larva and worm's ovum is more than 90%, belongs to green biological insecticidal agent; Natural pond liquid in use, is held bad consumption and also can not be caused and burn seedling phenomenon, and this is also one of incomparable place of general chemistry synthetic fertilizer.

The methane fermentation system that the present invention adopts, employing be pipeline type fermentation system, it can avoid blocking completely, and mode manually can promote being uniformly distributed of fermentation raw material, and it is convenient to remove natural pond slag.

Applicant finds a kind of pneumatic diaphragm pump (patent No.: 2012101329572) of applicant Anhui Lechang Pneumatic Fluid Equipment Technology Co., Ltd. application by retrieval, it discloses the product similar with the present invention, its air pressure adopting source of the gas to produce as power in order to drive the bilateral reciprocation of diaphragm; Poppet shaft (being equivalent to regulation and control axle of the present invention) is socketed on center valve in-core by it, and spool two ends, center are provided with step chamber, and the inner face of end spool is provided with secondary ring-shaped step; The complex structure of center spool and end spool, adds production cost; The present invention adopt structure relative to documents, anti-gas-leak better effects if.

Summary of the invention

The problems such as technical problem to be solved by this invention is, existing pipeline type methane-generating pit easily blocks, and fermentation raw material, strains'distribution are uneven, natural pond liquid poor fluidity.

The present invention is for solving the problems of the technologies described above, and the technical scheme of employing is.

Lifting agitating device, it comprises methane fermentation system, Pneumatic mixing device, methane fermentation system comprises gas storage plate, gas storage plate is provided with Pneumatic mixing device, Pneumatic mixing device comprises pneumatic piston, gas storage plate is provided with the sleeve matched with pneumatic piston, and pneumatic piston slides along sleeve vertical direction, the upper end of pneumatic piston connects balancing weight by connecting rod, and the lower end of piston is connected by connecting rod stirs net.

Further improvement.

Methane fermentation system also comprises fermentation vat body, water pressure house, fermentation chamber is provided with in fermentation vat body, two corresponding sidewalls are provided with the opening for feed be connected with the chamber that ferments and discharge port about fermentation vat body, fermentation vat body inner side-wall is provided with bracing or strutting arrangement, gas storage plate to be positioned in fermentation vat body and to be fixed on bracing or strutting arrangement, the surrounding of gas storage plate and top seal and its lower ending opening, gas storage plate is opening for feed gas block panel near opening for feed one end sidewall, gas storage plate is discharge port gas block panel near discharge port one end sidewall, the fermentation chamber chamber shape of gas storage plate and fermentation vat body adapts and the width of gas storage plate is less than the width of the fermentation chamber of fermentation vat body, water pressure house is fixed on gas storage plate, and water pressure house is provided with opening for feed water shoot near opening for feed end side, and water pressure house is provided with discharge port water shoot near discharge port end side, fermentation system also comprises pull bar, described pull bar is by cross bar, montant forms, at least one side of cross bar is connected with vertical montant, montant top is provided with the hand-held pole between two montants, and pull bar is positioned over fermentation chamber indoor and two montants lay respectively in the gap between gas storage plate and fermentation vat body.

Further improvement.

Above-mentioned bracing or strutting arrangement is be fixed on the back up pad on the indoor sidewall of fermentation chamber.

Further improvement.

Water pressure house top seal and water pressure house top is connected with the vapor pipe be communicated with air.

Further improvement.

The both end sides of cross bar is connected to vertical montant, and montant top is provided with the hand-held pole between two montants.

The reciprocal stirring means of lifting agitating device, its step comprises:

Fermentation raw material ferments and produces biogas in methane fermentation system, biogas is collected in gas storage plate, along with the increase of biogas air pressure, the pneumatic piston that gas push is arranged at gas storage plate top moves upward, pneumatic piston moves upward to pull in process and stirs net and move upward, and makes to stir net and natural pond liquid stirs; When the airway by being provided with gas storage plate top externally exports biogas, biogas air pressure in gas storage plate declines, and under the action of gravity of the balancing weight at pneumatic piston top, balancing weight promotes pneumatic piston and moves downward, and drive stirring net to reset, and again stir with natural pond liquid.

The further improvement of technique scheme.

Be provided with multiple fermentation zone in gas storage plate and be respectively arranged with Pneumatic mixing device in each fermentation zone.

The further improvement of technique scheme.

Above-mentioned methane fermentation system also comprises fermentation vat body, water pressure house, fermentation chamber is provided with in fermentation vat body, two corresponding sidewalls are provided with the opening for feed be connected with the chamber that ferments and discharge port about fermentation vat body, fermentation vat body inner side-wall is provided with bracing or strutting arrangement, gas storage plate to be positioned in fermentation vat body and to be fixed on bracing or strutting arrangement, the surrounding of gas storage plate and top seal and its lower ending opening, gas storage plate is opening for feed gas block panel near opening for feed one end sidewall, gas storage plate is discharge port gas block panel near discharge port one end sidewall, the fermentation chamber chamber shape of gas storage plate and fermentation vat body adapts and the width of gas storage plate is less than the width of the fermentation chamber of fermentation vat body, water pressure house is fixed on gas storage plate, and water pressure house is provided with opening for feed water shoot near opening for feed end side, and water pressure house is provided with discharge port water shoot near discharge port end side, fermentation system also comprises pull bar, described pull bar is by cross bar, montant forms, at least one side of cross bar is connected with vertical montant, montant top is provided with the hand-held pole between two montants, and pull bar is positioned over fermentation chamber indoor and two montants lay respectively in the gap between gas storage plate and fermentation vat body.

The advantage of technique scheme is, utilize biogas air pressure to drive the motion of stirring net, pneumatic piston moves past in journey the storage space that also add gas storage plate, and utilize the balancing weight action of gravity that pneumatic piston is put, impel pneumatic piston to reset, whole process does not need artificial participation; And by the obstructing problem moving back and forth thoroughly solution pipeline type fermentation unit of pull bar, and can promote that fermentation raw material gos deep in fermentation system, promote the mobility of natural pond liquid, drive being uniformly distributed of bacterial classification.

Cross Sheng gas gathering system, comprise inflator, plate one, air guide piston, upper piston connecting rod, be provided with plate in inflator and in the lump inflator inner chamber be separated into Zuo Qu and You Qu be interconnected up and down, air guide piston is slidably socketed between cylinder inner wall and plate one, left differentiation is divided into upper left district and lower-left district by air guide piston, the upper end of air guide piston is connected with upper piston connecting rod, and upper piston connecting rod top is provided with annular air guide groove, and inflator is provided with inlet mouth; The below useful area S1 of air guide piston is greater than top useful area S2, inlet mouth is connected with the gas storage plate of methane fermentation system, upper piston connecting rod sleeve is connected to the fixed block being fixed on inflator top, Air sac cover is connected on fixed block and also fixes with it, is provided with the limited step being fixed on cylinder inner wall and being fixed on plate one in left district.

Cross and contain the method that gas collector collected Sheng gas, its step comprises:

By gas channel, a, source of the gas by inlet mouth inflator inner chamber, and ensure that the air guide piston upper and lower ends air pressure be slidably connected in inflator is consistent;

B, be greater than upper end useful area due to the lower end useful area of air guide piston, under the influence of air pressure, when the thrust that air guide piston obtains is greater than self gravitation, the upper piston connecting rod that air guide piston driving is arranged at upper end moves, and connects outside air bag by the annular air guide groove be arranged on upper piston connecting rod;

C, when air guide piston obtain thrust be less than self gravitation time, air guide piston moves down, and drives annular air guide groove to be separated with air bag.

The further improvement of technique scheme.

Above-mentioned inlet mouth is communicated with the gas storage plate of methane fermentation system.

The advantage of technique scheme is, utilizes the air pressure in marsh gas fermentation pool to control to contain the opening and closing of gas gathering system, increases the storage space of gas storage plate, more energy-conservation.

Pneumatic diaphragm pump, it comprises the pump housing, the top and bottom of the pump housing are respectively arranged with outlet three way, inlet triplet for water, dash ball, left end and the right-hand member of the pump housing are respectively arranged with the fluid chamber be communicated with inlet triplet for water with outlet three way, and dash ball is arranged at inlet triplet for water and fluid chamber link position place and is arranged at outlet three way and fluid chamber link position place; The centre of the pump housing is provided with centrosome and is provided with controlling valve in centrosome, and centrosome also slidably connects central shaft, and the two ends, left and right of central shaft are fixedly connected with diaphragm respectively, form air chamber between diaphragm and centrosome;

Controlling valve comprises valve pocket, division plate, be provided with division plate in valve pocket and valve pocket inner chamber be separated into master control air chamber and regulation and control air chamber, valve pocket top is respectively arranged with five air drains, the central position on valve pocket top is provided with air inlet duct, the both sides of air inlet duct are provided with symmetrical left air drain and right air drain, outermostly be respectively symmetrical left bank air drain and right air discharge duct, the bottom of above-mentioned five air drains is respectively arranged with the pore be connected with master control air chamber; Division plate is provided with three breather holes, the central position of division plate is provided with central permeable hole, and the two ends in central permeable hole are respectively arranged with symmetrical left breather hole and right breather hole, and central permeable hole is communicated with master control air chamber and regulation and control air chamber;

Be provided with two sleeves in master control air chamber and slidably connect piston respectively in sleeve, form chamber between piston and sleeve, piston connects baffle plate by piston rod; Be provided with center spool between two baffle plates, the center of center spool is provided with the air inlet groove of annular, and air inlet groove is communicated with the pore bottom air inlet duct all the time and is communicated with central permeable hole all the time;

Regulation and control axle is slidably connected in regulation and control air chamber, the centre of regulation and control axle is provided with symmetrical left lug boss and right lug boss, region on regulation and control axle between left lug boss and right lug boss is the air inlet area of regulation and control axle, it is left exhaust area that regulation and control axle is positioned at left lug boss left end region, it is right exhaust area that regulation and control axle is positioned at right lug boss right end region, the air inlet area of regulation and control axle is by being arranged at the air inlet groove of connection center, the central permeable hole spool on division plate, left breather hole is communicated with left chamber and regulation and control air chamber, and right breather hole is communicated with right chamber and regulation and control air chamber; The length of left lug boss right-hand member and right lug boss left end is greater than the distance between central permeable hole and left/right breather hole;

The two ends of regulation and control air chamber are respectively arranged with end spool, end spool is provided with end venting hole, end venting hole, left bank air drain, right air discharge duct are communicated with the exhaust-duct of the pump housing respectively, and air inlet duct is communicated with the induction trunk of the pump housing, and left air drain, right air drain are communicated with the air chamber of respective side respectively.

The further improvement of technique scheme.

Between the left end of the left lug boss of regulation and control axle and the left end of right lug boss, interval equals the distance between left breather hole and right breather hole, and between the right-hand member of the left lug boss of regulation and control axle and the right-hand member of right lug boss, interval equals the distance between left breather hole and right breather hole.

The advantage of such scheme is, the poppet shaft (being equivalent to regulation and control axle of the present invention) in documents is socketed on center valve in-core, and the sealing requirements at two ends, poppet shaft left and right is higher, prevents gas leakage; Degassing function is played at regulation and control axle two ends of the present invention, to stopping property no requirement (NR), therefore not easily leaks gas, relative to documents better tightness of the present invention; Regulation and control axle is arranged at below the spool of center, replaces poppet shaft of the prior art and be slidably socketed in center valve in-core, reduce the production difficulty of center spool; And the air inlet of left/right chamber to be separated with giving vent to anger with the air inlet of left/right air chamber with giving vent to anger, non-interference, to ensure that gas flow is more stable, increasing the stability of equipment.

The method of pneumatic diaphragm pump Automatic Extraction natural pond liquid and pneumatic diaphragm pump is utilized to extract the principle of natural pond liquid.

Controlling valve original state: air inlet duct is communicated with the air inlet groove of center spool, air inlet groove is communicated with the air inlet area of regulation and control axle by central permeable hole, and the left lug boss of regulation and control axle blocks left breather hole, and right lug boss blocks right breather hole;

The induction trunk of pneumatic diaphragm pump connects the airway at gas storage plate top, and by airway to methane conveying in the pump housing, biogas enters in the air inlet groove of center spool by the pore bottom air inlet duct, and the air inlet area of regulation and control axle is entered by central permeable hole, because regulation and control axle can not be in force balance state completely, gas push regulates and controls axial side and moves;

Suppose, biogas promotes regulation and control, and axially left side is mobile, and the air inlet area of regulation and control axle is communicated with left chamber by left breather hole, and biogas enters in left chamber, and meanwhile, right chamber is communicated with the right exhaust area of regulation and control axle by right breather hole; Biogas promotes left piston and moves right, and moved to right by left piston bar promotion center spool, center spool move to right promote right piston rod move, utilize right piston rod to promote right piston to move to right, and the end venting hole of the gas in right chamber on right breather hole, right exhaust area, right part spool is delivered in exhaust-duct, complete the intake process of left chamber and the exhaust process of right chamber;

Center spool is in the process of moving right, the air inlet groove of center spool is communicated with air inlet duct and right air drain, the left air drain be communicated with left air cavity is communicated with left bank air drain by master control air chamber, gas enters in right air chamber by right air drain, right diaphragm is upheld distortion and is driven the shrinkage strain of left diaphragm by the interlock effect of central shaft, and in left diaphragm shrinkage strain process, extruding regulation and control axle moves to right; Make the air inlet area of axle to be separated with left breather hole, and connect with right breather hole, thus left chamber is communicated with the left exhaust area of regulation and control axle, right chamber is communicated with air inlet area, biogas enters right chamber by right breather hole, the right piston of gas push moves left, and drives right piston rod, center spool, left piston bar, left piston to be moved to the left, and completes the intake process of right chamber and the exhaust process of left chamber;

Center spool is being moved to the left in process, the air inlet groove of center spool and right air drain are departed from, and air inlet groove and left air drain are connected, biogas enters in left air cavity by left air drain, right air cavity by right air drain with control air cavity be communicated with and with right air discharge duct UNICOM; In left air cavity intake process, right air cavity is in exhaust process; The extension distortion of left diaphragm drives the shrinkage strain of right diaphragm by the interlock effect of central shaft, and promotion regulation and control axle moves to left, and air inlet area and the right breather hole of regulation and control axle depart from and connect with left breather hole;

If this is reciprocal, thus realize air inlet or the exhaust of left air chamber and right chamber, left diaphragm upholds the shrinkage strain being driven right diaphragm when being out of shape by the interlock effect of central shaft, thus the volume of the reduction of left fluid chamber volume and right fluid chamber is increased, realize the drainage procedure of left fluid chamber and the water inlet process of right fluid chamber; In like manner, right diaphragm upholds the shrinkage strain being driven left diaphragm when being out of shape by the interlock effect of central shaft, thus right fluid chamber volume is reduced and the increase of left fluid chamber volume, thus realize the water shoot process of right fluid chamber and the water inlet process of left fluid chamber.

The advantage of such scheme is, utilizes biogas air pressure for power Automatic Extraction natural pond liquid, replaces manual operation; Because pneumatic diaphragm pump can extract containing particle-liquid efficiently, solve traditional pump housing and extract containing particle-liquid solution obstructing problem.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is fermentation vat body structure schematic diagram of the present invention.

Fig. 2 is fermentation vat body cross-sectional view of the present invention.

Fig. 3 is gas storage plate perspective view of the present invention.

Fig. 4 is the perspective view that gas storage plate of the present invention is more optimized.

Fig. 5 is pull bar perspective view of the present invention.

Fig. 6 is water pressure house perspective view of the present invention.

Fig. 7 is the first embodiment of Pneumatic mixing device of the present invention.

Fig. 8 is Pneumatic mixing device the second embodiment of the present invention.

Fig. 9 is the third embodiment of Pneumatic mixing device of the present invention.

Figure 10 is the pull whipping appts that fermentation vat body air pressure of the present invention stirs the third embodiment.

Figure 11 is pneumatic diaphragm pump state one structural representation of the present invention.

Figure 12 is controlling valve state one structural representation of the present invention.

Figure 13 is controlling valve state two structural representation of the present invention.

Figure 14 is controlling valve state three structural representation of the present invention.

Figure 15 is controlling valve state four structural representation of the present invention.

Figure 16 is controlling valve state five structural representation of the present invention.

Figure 17 is controlling valve state six structural representation of the present invention.

Figure 18 is the structural representation that controlling valve of the present invention another kind is more optimized.

Figure 19 is the structural representation that controlling valve of the present invention another kind is more optimized.

Figure 20 is the structural representation of Sheng gas collector excessively of the present invention.

Be denoted as in figure:

10, fermentation vat body; 12, opening for feed; 14, discharge port; 16, ferment chamber.

20, water pressure house; 22, venting hole; 24, opening for feed water shoot; 26, discharge port water shoot.

30, gas storage plate; 32, opening for feed gas block panel; 34, discharge port gas block panel; 35, the first baffle plate; 36, second baffle; 38, airway.

40, pull bar; 42, cross bar; 44, montant; 46, hand-held pole.

52, pneumaticpiston; 54, balancing weight; 56, net is stirred; 57, movable stirring net.

60, pull whipping appts; 62, the first pull block; 62a, chute; 62b, the first paddle; 64, the second pull block; 64a, protruding block; 64b, the second paddle.

100, the pump housing; 110a, left fluid chamber; 110b, right fluid chamber; 120a, left air chamber; 120b, right air chamber; 130, central shaft; 140, inlet triplet for water; 150, outlet three way; 160, dash ball.

200, controlling valve; 210, air inlet duct; 212a, left air inlet duct; 212b, right air inlet duct; 214a, left bank air drain; 214b, right air discharge duct.

220, master control air chamber; 221a, left chamber; 221b, right chamber; 222a, left piston; 222b, right piston; 223a, left piston bar; 223b, right piston rod; 224, center spool.

230, air chamber is regulated and controled;

240, axle is regulated and controled; 242, left lug boss; 244, right lug boss;

250, division plate; 252, central permeable hole; 254, left breather hole; 256, right breather hole;

260, end spool; 262, end venting hole.

300, Sheng gas gathering system is crossed; 310, inflator; 320, inlet mouth; 330, plate one; 340, air guide piston; 350, upper piston connecting rod; 360, gas channel; 370, annular air guide groove.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to scope.

As Fig. 1, 2, 3, shown in 4, methane fermentation system, primarily of fermentation vat body 10, water pressure house 20, gas storage plate 30 forms, fermentation chamber 16 is provided with in fermentation vat body 10, the corresponding sidewall of fermentation vat body about 10 two is provided with the opening for feed 12 be connected with the chamber 16 that ferments and discharge port 14, fermentation vat body inner side-wall is provided with bracing or strutting arrangement, gas storage plate 30 to be positioned in fermentation vat body 10 and to be fixed on bracing or strutting arrangement, gas storage plate 30 is opening for feed gas block panel 32 near opening for feed 12 one end sidewall, gas storage plate 30 is discharge port gas block panel 34 near discharge port 14 one end sidewall, the interval on opening for feed gas block panel 32 and discharge port gas block panel 34 perigee distance fermentation chamber 16 ground should be greater than 10cm, facilitate fermentation raw material flowing in fermentation chamber 16, water pressure house 20 is fixed on gas storage plate 30, and water pressure house 20 is provided with opening for feed water shoot 24 near opening for feed 12 end side, and water pressure house 20 is provided with discharge port water shoot 26 near discharge port 14 end side.

The surrounding of gas storage plate 30 and top seal and its lower ending opening, gas storage plate 30 adapts with fermentation chamber 16 shape of fermentation vat body 10, the width of gas storage plate 30 is less than the width of the fermentation chamber 16 of fermentation vat body 10, and namely the top sidewall of gas storage plate 30 and the top sidewall of lower sidewalls and fermentation vat body 10 and lower sidewalls have interval.

Above-mentioned bracing or strutting arrangement for being fixed on the back up pad on the indoor sidewall of fermentation chamber, can being supported by back up pad and fixing gas storage plate 30; For being arranged at the column between gas storage plate and fermentation chamber, can also being fixed by column and supporting gas storage plate 30.

Water pressure house 20 top seal and water pressure house 20 top is connected with the vapor pipe 22 be communicated with air.

Fermentation raw material enters in fermentation chamber 16, easy formation is piled up, affect the flowing of cripple and natural pond slag, when with stalk being particularly raw material, stalk accumulation can cause the obstruction of fermentation chamber, can be solved easily by rod in opening for feed and discharge port if blocked, but if block in fermentation chamber chamber interior, cleaning will be difficult to.

For thoroughly solving above-mentioned obstructing problem, this fermentation system also comprises pull bar 40, described pull bar 40 is by cross bar 42, montant 44 forms, the both end sides of cross bar 42 is connected to vertical montant 44, and montant 44 top is provided with the hand-held pole 46 between two montants 44, preferably, leave gap between hand-held pole 46, save material.

Pull bar 40 is positioned in fermentation chamber 16 and two montants 44 lay respectively in the gap between gas storage plate 30 and fermentation vat body 10, pull bar 40 is driven to move by pulling hand-held pole 46, effectively can solve the obstructing problem in fermentation chamber 16, and fermentation raw material can be promoted in pull bar 40 moving process to go deep in fermentation system and be uniformly distributed, the flowing of natural pond liquid can also be promoted, thus promote being uniformly distributed of bacterial classification.

The another kind of embodiment of pull bar 40, if bracing or strutting arrangement adopts the column be arranged between gas storage plate and fermentation chamber, the structure of pull bar 40 will change, the end side of cross bar 42 connects vertical montant 44, the hand-held pole 46 of montant 44 top level connection joint one and cross bar 42 same side, this embodiment, can conveniently take out pull bar 50; Pull bar 40 is put into along the gap between fermentation vat body 10 and gas storage plate 30 chamber 16 that ferments, by pulling hand-held pole 46, solving and block or drive being uniformly distributed of fermentation raw material, promote natural pond liquid flowing, drive bacterial classification to be uniformly distributed.

As shown in Figure 8, for increasing the contact area of cross bar 42, the section shape of cross bar 42 adopts T-type structure.

Fermentation raw material enters in fermentation chamber 16 also to ferment by opening for feed 12 and produces biogas, the biogas produced is gathered in gas storage plate respectively, the biogas assembled in gas storage plate 30 occupies the space of natural pond liquid in gas storage plate, and extruding natural pond liquid convection current also makes the natural pond liquid liquid level fermented in chamber 16 rise; The natural pond liquid liquid level of fermentation chamber indoor overflows across gas storage plate, and reaches opening for feed water shoot and the discharge port position of drain pipe of water pressure house, and along with gathering of biogas in gas storage plate, the natural pond liquid of fermentation chamber indoor is flowed in water pressure house by opening for feed water shoot and discharge port water shoot.

Externally biogas is exported by the airway 38 being arranged at gas storage plate top, biogas air pressure in gas storage plate 30 declines, the natural pond liquid stored in water pressure house is back in fermentation chamber 16 by opening for feed water shoot and discharge port water shoot, supplements the biogas volume lacked in gas storage plate.

Although technique scheme can solve the easy obstructing problem of existing pipeline type methane-generating pit, the self-circulation poor fluidity of natural pond liquid, hydraulic pressure can not be effectively utilized to complete being uniformly distributed of bacterial classification; Thus causing the fermentation efficiency of fermentation system low, gas production rate is low, for promoting the natural pond of the present invention liquid recycle stream property moved and promoting being uniformly distributed of bacterial classification, the invention provides following technical scheme.

The first promotes the scheme of natural pond liquid flowing.

Gas storage plate is provided with the first baffle plate between opening for feed gas block panel and discharge port gas block panel and second baffle, the first fermentation zone is formed between opening for feed gas block panel and the first baffle plate, form the second fermentation zone between first baffle plate and second baffle, between second baffle and discharge port gas block panel, form the 3rd fermentation zone; The top of the first fermentation zone, the second fermentation zone and the 3rd fermentation zone is provided with separate airway.

For making full use of the biogas storage space in gas storage plate, the length of the first baffle plate and the projection of second baffle in the vertical direction should be less than the length of opening for feed gas block panel and the projection of discharge port gas block panel in the vertical direction; By the first baffle plate and second baffle, gas storage plate is separated into three fermentation zones, its object is to, utilize the fermentation raw material of fermentation chamber indoor, bacterial classification equal distribution uneven, cause each fermentation zone fermentation efficiency of fermentation chamber indoor different, thus impel the convection current of natural pond liquid and drive being uniformly distributed of bacterial classification.

Fermentation raw material to be poured in opening for feed and is produced biogas in the indoor fermentation of fermentation chamber, biogas is collected in three fermentation zones of gas storage plate, due to the skewness of the factor such as fermentation raw material, bacterial classification, make the fermentation efficiency of three fermentation zones inconsistent, the such as fermentation efficiency of the second fermentation zone is greater than the first fermentation zone and the 3rd fermentation zone, in second fermentation zone, fermentation generation biogas is collected in the second fermentation zone, and the natural pond liquid extruded in the second fermentation zone flows to the first fermentation zone and the 3rd fermentation zone, and the natural pond liquid liquid level of fermentation chamber indoor is made to increase; When the second fermentation zone stores full biogas, the biogas continuing fermentation generation will flow to the first fermentation zone and the second fermentation zone by the first baffle plate and second baffle, until three fermentation zones are interconnected; When three fermentation zones are all crowded with biogas, the biogas continuing fermentation generation will overflow fermentation system by opening for feed gas block panel and discharge port gas block panel; The fermentation of fermentation chamber produces in process of methane, the liquid level of fermentation chamber indoor natural pond liquid constantly rises, when the natural pond liquid liquid level of fermentation chamber indoor reaches opening for feed water shoot and discharge port water shoot lower-most point, the natural pond liquid of fermentation chamber indoor will be flowed in water pressure house by opening for feed water shoot and discharge port water shoot.

By being arranged at the first fermentation zone, the mutual independently airway at the second fermentation zone and the 3rd top, fermentation zone is when externally exporting biogas, biogas air pressure in gas storage plate declines, the natural pond liquid stored in water pressure house is back to fermentation chamber indoor by opening for feed water shoot and discharge port water shoot, supplements the biogas volume lacked.

And particularly importantly, when fermentation raw material enters fermentation chamber indoor, be particularly that fermentation raw material enters fermentation chamber indoor with stalk, easily block bottom the first baffle plate and second baffle, if adopt common duct type structure, process will be difficult to; Innovative point of the present invention is, utilizes pull bar moving back and forth in fermentation chamber indoor, thus solves obstructing problem, and can promote being uniformly distributed of fermentation raw material, promotes circulating of natural pond liquid, and drives being uniformly distributed of bacterial classification.

The second promotes the scheme of natural pond liquid flowing.

As shown in Figure 7,8, gas storage plate is provided with Pneumatic mixing device, it comprises pneumatic piston 52, gas storage plate is provided with the sleeve matched with pneumatic piston 52, pneumatic piston 52 slides along sleeve vertical direction, the upper end of piston 52 connects balancing weight 54 by connecting rod, and the lower end of piston 52 is connected by connecting rod stirs net 56.

Biogas is collected in gas storage plate, and along with the increase of biogas air pressure, gas push pneumatic piston 52 moves upward, and pulls stirring net 56 to move upward, and makes to stir net 56 and stirs with natural pond liquid, promotes natural pond liquid flowing; When externally exporting biogas by airway 38, the biogas air pressure in gas storage plate declines, and under the action of gravity of balancing weight 54, balancing weight 54 promotes pneumatic piston 52 and moves downward, and drives stirring net 56 to reset, and again stirs with natural pond liquid, promotes natural pond liquid flowing.

Further optimization, the top of the first fermentation zone of gas storage plate, the second fermentation zone, the 3rd fermentation zone is respectively arranged with Pneumatic mixing device, because the air pressure of each fermentation zone is different, stirs net Asynchrony, thus promotes mixing effect.

The third promotes the scheme of natural pond liquid flowing.

Promote at the second the basis of natural pond liquid mobility program is improved, promote that natural pond liquid mobility program difference is with the second, net 57 one end is stirred by connecting rod connection activity in the lower end of piston 52, and the movable the other end stirring net 57 is movably connected on the bottom of fermentation vat body 10.

The second promotes that in the scheme of natural pond liquid flowing, stirring net 56 is that vertical direction moves, and natural pond liquid flow effect is not obvious, and the side direction being stirred net 57 by activity is stirred, and promotes mixing effect.

4th kind promotes the scheme that natural pond liquid flows.

As Fig. 9, shown in 10, gas storage plate is provided with Pneumatic mixing device, it comprises pneumatic piston 52, first fermentation zone, second fermentation zone, the top portion cloth of the 3rd fermentation zone is provided with the sleeve matched with pneumatic piston 52, pneumatic piston 52 slides along sleeve vertical direction, the upper end of piston 52 connects balancing weight 54 by connecting rod, the lower end of pneumatic piston 52 is by connecting rod connection activity pull whipping appts 60, pull whipping appts 60 comprises the first pull block 62, second pull block 64, connecting rod below pneumatic piston 52 in first fermentation zone is flexibly connected the first pull block 62, connecting rod below pneumatic piston 52 in second fermentation zone is flexibly connected the second pull block 64, connecting rod below pneumatic piston 52 in 3rd fermentation zone connects the first pull block 62, first pull block 62 comprises chute 62a, the first paddle 62b, first pull block 62 is provided with the chute 62a along the first pull block length direction, the two ends sidewall of the first pull block 62 is provided with several first paddles 62b, second pull block 64 comprises protruding block 64a, the second paddle 64b, second pull block 64 is provided with the protruding block 64a along the second pull block 64 length direction, protruding block 64a and chute 62a matches and is slidably connected, and the two ends sidewall of the second pull block 64 is provided with several second paddles 64b.

Because the fermentation efficiency of each fermentation zone is different, cause the biogas air pressure of each fermentation zone different, the movement of pneumatic piston 52 is asynchronous, pull whipping appts 60 is misplaced, make to be shifted between the first pull block 62 and the second pull block 64, thus make to misplace between the first paddle 62a and the second paddle 64b cut and stir, thus the ight soil of fermentation chamber indoor can be cut, increase the contact area of ight soil and natural pond liquid, promote fermentation efficiency, and promote the mobility of natural pond liquid, promote being uniformly distributed of bacterial classification.

Natural pond of the prior art liquid is fished for and is mainly adopted obtain manner manually, part adopts water pump to extract, more particle is had owing to mixing in the liquid of natural pond, adopt common water pump can not adapt to this severe Working environment, cause the obstruction of water pump, pneumatic diaphragm pump of the prior art, employing pressurized air is propulsion source, for various corrosive liquid, with the liquid of particle, high viscosity, volatile, inflammable, hypertoxic liquid, all can be taken out light and be exhausted, so pneumatic diaphragm pump adapts to the extraction to natural pond liquid.

The biogas that methane-generating pit produces during the fermentation is collected in gas storage plate, and along with the progressively increase of biogas air pressure, is flowed into outside gas storage plate by the natural pond liquid in extruding gas storage plate, and make the natural pond liquid liquid level in methane-generating pit constantly increase; Utilize gas storage board memory biogas as driving the power of pneumatic diaphragm pump, drive the work of pneumatic diaphragm pump, thus extract natural pond liquid; The work of traditional pneumatic diaphragm pump is the driving being driven compressor by electric power, and the present invention, by the driving of biogas air pressure, can realize the comprehensive utilization of eco-friendly power source.

Particularly, pneumatic diaphragm pump is positioned in water pressure house, filtering net can be socketed with outside pneumatic diaphragm pump, prevent larger particle from flowing in pneumatic diaphragm pump, the inlet end of pneumatic diaphragm pump connects the airway of gas storage plate by tracheae, above-mentioned airway is provided with the valve body controlling tracheae and open or close; When gas storage board memory contains a large amount of biogas, open the valve body on tracheae, the biogas in gas storage plate flows in pneumatic diaphragm pump, and drives the work of pneumatic diaphragm pump, discharged outside water pressure house by the natural pond liquid in pneumatic diaphragm pump extruding water pressure house, thus reach the object automatically extracting natural pond liquid.

As shown in figure 11, the invention provides a kind of pneumatic diaphragm pump, it comprises the pump housing 100, the top and bottom of the pump housing 100 are respectively arranged with outlet three way 150, inlet triplet for water 140, left end and the right-hand member of the pump housing 100 are respectively arranged with the left fluid chamber 110a and right fluid chamber 110b that are communicated with inlet triplet for water 140 with outlet three way 150, left fluid chamber 110 is respectively arranged with dash ball 160 with the junction of outlet three way 150 and inlet triplet for water 140, and the junction of right fluid chamber 110b and outlet three way 150 and inlet triplet for water 140 is respectively arranged with dash ball 160; The centre of the pump housing 100 is provided with centrosome and is provided with controlling valve 200 in centrosome, controlling valve 200 is for controlling the flow direction of source of the gas, centrosome also slidably connects central shaft 130, the two ends, left and right of central shaft 130 are fixedly connected with left diaphragm and right diaphragm respectively, left diaphragm and centrosome form left air chamber 120a, form right air chamber 120b between right diaphragm and centrosome.

Controlling valve 200 comprises valve pocket, division plate 250, be provided with division plate 250 in valve pocket and valve pocket inner chamber be separated into master control air chamber 220 and regulation and control air chamber 230, valve pocket top is respectively arranged with five air drains, the central position on valve pocket top is provided with air inlet duct 210, the both sides of air inlet duct 210 are provided with symmetrical left air drain 212a and right air drain 212b, outermostly be respectively symmetrical left bank air drain 214a and right air discharge duct 214b, the bottom of above-mentioned five air drains is respectively arranged with the pore be connected with master control air chamber; Division plate 250 is provided with three breather holes, the central position of division plate 250 is provided with central permeable hole 252, the two ends in central permeable hole 252 are respectively arranged with symmetrical left breather hole 254 and right breather hole 256, and central permeable hole 252 is communicated with master control air chamber 220 and regulation and control air chamber 230.

Be provided with left sleeve and right sleeve in master control air chamber 220, slidably connect left piston 222a in left sleeve, form left chamber 221a between left piston 222a and left sleeve, left piston 222a connects right baffle-plate by left piston bar 223a; In like manner, slidably connect right piston 222b in right sleeve, form right chamber 221b between right piston 222b and right sleeve, right piston 222b connects right baffle plate by right piston rod 223b; Be provided with center spool 224 between right baffle-plate and right baffle plate, the center of center spool 224 is provided with the air inlet groove of annular, and air inlet groove is just to the pore bottom air inlet duct 210.

Regulation and control axle 240 is slidably connected in regulation and control air chamber 230, the left lug boss 242 being provided with two ends symmetry of regulation and control axle 240 and right lug boss 244, region on regulation and control axle 240 between left lug boss 242 and right lug boss 244 is the air inlet area of regulation and control axle 240, it is left exhaust area that regulation and control axle 240 is positioned at left lug boss 242 left end region, it is right exhaust area that regulation and control axle 240 is positioned at right lug boss 244 right end region, the air inlet area of regulation and control axle 240 is communicated with the air inlet groove of center spool by the central permeable hole 252 be arranged on division plate 250, left breather hole 254 is communicated with left chamber 221a and regulation and control air chamber 230, right breather hole 256 is communicated with right chamber 221b and regulation and control air chamber 230.

The two ends of regulation and control air chamber 230 are respectively arranged with end spool 260, end spool 260 is provided with end venting hole 262, end venting hole 262, left bank air drain 214a, right air discharge duct 214b are communicated with the exhaust-duct of the pump housing 100 respectively, air inlet duct 210 is communicated with the induction trunk of the pump housing, the left air drain of 212a is communicated with left air chamber 120a, and right air drain 212b is communicated with right air chamber 120b.

Biogas enters in the pump housing by the induction trunk of airway, the pump housing, and enter in the air inlet groove of center spool by the pore bottom air inlet duct 210, because left air chamber 221a, right air chamber 221b are communicated with exhaust-duct respectively by left breather hole with right breather hole, because center spool can not be in force balance state completely, center spool can move to side.

Suppose, center spool moves to the right, is communicated with air inlet duct 210 and right air drain 212b by the air inlet groove of center spool, and similarly, biogas enters the air inlet area of regulation and control axle by central permeable hole 252 and promotes the motion of regulation and control axle.

Now, regulation and control axle 240 has three kinds of states, and one, regulation and control axle 240 move to the left; Two, regulate and control axle 240 and keep motionless; Three, regulate and control axle 240 to move to the right.

When regulating and controlling axle 240 and moving to the left, the air inlet area of regulation and control axle 240 enters left chamber 221a by left breather hole 254, and meanwhile, right chamber is communicated with the right exhaust area of regulation and control axle 240 by right breather hole; Gas enters right air chamber by right air drain, and right diaphragm is upheld distortion and driven left diaphragm shrinkage strain by central shaft, contacts and drives axle 240 end motion to the right in left diaphragm shrinkage strain process with regulation and control axle 240 left end; Thus the regulation and control left exhaust area of axle and left chamber are connected, and regulating and controlling the air inlet area of axle and right chamber is connected, biogas enters in right chamber, thus promotes the end motion left of right piston, and drives the end motion left of center spool, left piston; Meanwhile, the air inlet groove of center spool departs from right air drain and is communicated with left air drain, and biogas enters in left air cavity; Left diaphragm is upheld be out of shape and drive right diaphragm shrinkage strain, and the axial left end motion of extruding regulation and control, and so forth.

When regulating and controlling axle 240 and keeping motionless, right diaphragm is upheld distortion and is driven left diaphragm shrinkage strain, utilizes the squeezing action of left diaphragm, and drive regulation and control axle to move right, its principle is moved identical with above-mentioned regulation and control axle 240 to the left, repeats no more herein.

When regulating and controlling axle 240 and moving to the right, right chamber is connected by right breather hole in the air inlet area of regulation and control axle, biogas enters in right chamber, and the center spool of promotion holds movement left, the air inlet groove of center spool and right air drain are departed from, center spool is held left in moving process, the air inlet groove of center spool is communicated with left air drain, biogas enters in left air chamber by left air drain, left diaphragm is impelled to uphold distortion and right diaphragm shrinkage strain, also promote the axial left end of regulation and control in right diaphragm shrinkage strain process to move, right chamber is communicated with the regulation and control right exhaust area of axle, and left chamber is communicated with regulation and control axle air inlet area, biogas enters in left chamber, center spool is promoted by left piston, right piston moves right, thus complete scavenging period.

When left diaphragm shrinkage strain and right diaphragm uphold distortion, left fluid chamber 110a volume increases, and right fluid chamber 110b reduces, and by the restriction of dash ball, left fluid chamber 110a is in absorbing fluid state, and right fluid chamber is in expel liquid state; In like manner, when left diaphragm upholds distortion and right diaphragm shrinkage strain, left fluid chamber 110a volume reduces, and right fluid chamber 110b increases, and by the restriction of dash ball, left fluid chamber 110a is in expel liquid state, and right fluid chamber is in absorbing fluid state.

Therefore, the work of pneumatic diaphragm pump is not affected by the gap length between the left lug boss 242 of above-mentioned analysis regulation and control axle, right lug boss 244; But particularly importantly, the length of left lug boss 242 right-hand member and right lug boss 244 left end should be greater than the distance between central permeable hole and left/right breather hole; Further, when regulating and controlling axle and moving to high order end, to regulate and control the right side wall of the end spool of axle left end for benchmark, the distance between right lug boss 244 left end sidewall and end spool 260 right side wall is greater than the interval between central permeable hole and end spool right side wall; In like manner, when regulation and control axle moves to low order end, distance between left lug boss 244 right end sidewalls and right-hand end spool 260 left side wall is greater than the interval between central permeable hole and right-hand end spool left side wall, ensures that the air inlet area of regulation and control axle is connected with central permeable hole all the time.

Although the scheme provided above-mentioned can realize the normal work of pneumatic diaphragm pump, but, due to center spool and the Asynchrony of regulation and control axle, center spool be can not determine with the starting state of regulation and control axle, the invention provides following more perfect scheme, for determining center spool and the Starting mode and the kinestate that regulate and control axle for this reason.

As shown in Figure 18,19, between the left end of the left lug boss 242 of regulation and control axle and the left end of right lug boss 244, interval equals the distance between left breather hole and right breather hole, and between the right-hand member of the left lug boss 242 of regulation and control axle and the right-hand member of right lug boss 244, interval equals the distance between left breather hole and right breather hole.

Regulation and control axle original state: the left lug boss of regulation and control axle blocks left breather hole, and right lug boss blocks right breather hole; Because left chamber and right chamber are enclosed space, when in the air inlet groove that source of the gas enters center spool, source of the gas can not drive center spool to move, and can only promote regulation and control axle and move.

When regulating and controlling mobile axially, the left breather hole of regulation and control axle is communicated with air inlet area, and right breather hole is communicated with the right exhaust area of regulation and control axle; When regulating and controlling mobile axially, the right breather hole of regulation and control axle is communicated with air inlet area, and left breather hole is communicated with the left exhaust area of regulation and control axle.

Controlling valve original state: air inlet duct is communicated with the air inlet groove of center spool, air inlet groove is by the air inlet area of central permeable hole UNICOM regulation and control axle, and the left lug boss of regulation and control axle blocks left breather hole, and right lug boss blocks right breather hole.

The principle of work of pneumatic diaphragm pump of the present invention and utilize biogas air pressure to realize method that pneumatic diaphragm pump extracts natural pond liquid.

The induction trunk of pneumatic diaphragm pump connects the airway at gas storage plate top, and by airway to methane conveying in the pump housing, biogas enters in the air inlet groove of center spool 224 by the pore bottom air inlet duct 210, and the air inlet area of regulation and control axle 240 is entered by central permeable hole 250, because regulation and control axle 240 can not be in force balance state completely, gas push regulation and control axle 240 moves to side.

Suppose, biogas promotes regulation and control axle 240 and moves to the left, and the air inlet area of regulation and control axle 240 is communicated with left chamber 221a by left breather hole 254, and biogas enters in left chamber 221a, meanwhile, right chamber 221b is communicated with the right exhaust area of regulation and control axle 240 by right breather hole 256; Biogas promotes left piston and moves right, and moved to right by left piston bar promotion center spool, center spool moves to right and promotes right piston rod 223b in process and move, utilize right piston rod 223b to promote right piston to move to right, and the end venting hole of the gas in right chamber on right breather hole, right exhaust area, right part spool is delivered in exhaust-duct, complete the intake process of left chamber and the exhaust process of right chamber.

Center spool is in the process of moving right, the air inlet groove of center spool is communicated with air inlet duct and right air drain, the left air drain be communicated with left air cavity is communicated with left bank air drain by master control air chamber, gas enters in right air chamber by right air drain, right diaphragm is upheld distortion and is driven the shrinkage strain of left diaphragm by the interlock effect of central shaft, and in left diaphragm shrinkage strain process, extruding regulation and control axle moves to right; Make the air inlet area of axle to be separated with left breather hole, and connect with right breather hole, thus left chamber is communicated with the left exhaust area of regulation and control axle, right chamber is communicated with air inlet area, biogas enters right chamber by right breather hole, the right piston of gas push moves left, and drives right piston rod, center spool, left piston bar, left piston to be moved to the left, and completes the intake process of right chamber and the exhaust process of left chamber.

Center spool is being moved to the left in process, the air inlet groove of center spool and right air drain are departed from, and air inlet groove and left air drain are connected, biogas enters in left air cavity by left air drain, right air cavity by right air drain with control air cavity be communicated with and with right air discharge duct UNICOM; In left air cavity intake process, right air cavity is in exhaust process; The extension distortion of left diaphragm drives the shrinkage strain of right diaphragm by the interlock effect of central shaft, and promotion regulation and control axle moves to left, and air inlet area and the right breather hole of regulation and control axle depart from and connect with left breather hole.

If this is reciprocal, thus realize air inlet or the exhaust of left air chamber and right chamber, left diaphragm upholds the shrinkage strain being driven right diaphragm when being out of shape by the interlock effect of central shaft, thus the volume of the reduction of left fluid chamber volume and right fluid chamber is increased, realize the drainage procedure of left fluid chamber and the water inlet process of right fluid chamber; In like manner, right diaphragm upholds the shrinkage strain being driven left diaphragm when being out of shape by the interlock effect of central shaft, thus right fluid chamber volume is reduced and the increase of left fluid chamber volume, thus realize the water shoot process of right fluid chamber and the water inlet process of left fluid chamber.

Above-mentioned embodiment is with the work of biogas air pressure for power wheel drive pneumatic diaphragm pump, and certain pneumatic diaphragm pump of the present invention can also utilize other source of the gas, such as pressurized air, Sweet natural gas, nitrogen etc.

Methane fermentation system adopts to convert the bioenergy such as animal excrement, stalk to biogas, the biogas produced is collected in gas storage plate, along with the increase of the biogas amount of gathering, the biogas air pressure of gas storage board memory storage progressively increases and makes the natural pond liquid liquid level in methane-generating pit constantly increase; When the full biogas of gas storage board memory storage, the biogas air pressure now in gas storage plate is maximum, and the natural pond liquid liquid level in fermentation vat rises to extreme higher position, and the biogas continuing fermentation generation can only overflow in gas storage plate, and enters in extraneous air; Because the shape of gas storage plate is fixed, the space storing biogas is determined.

The invention provides one and cross Sheng gas gathering system, when the biogas air pressure of gas storage board memory storage reaches certain value, will Sheng gas gathering system be opened, and utilized gas gathering system to collect biogas, increase the storage space of biogas.

As shown in figure 20, cross Sheng gas gathering system, comprise inflator 310, plate 1, air guide piston 340, upper piston connecting rod 350, be provided with plate 1 in inflator 310 and inflator 310 inner chamber is separated into Zuo Qu and You Qu be interconnected up and down, right district is gas channel 360, air guide piston 340 is slidably socketed between inflator 310 inwall and plate 1, left differentiation is divided into upper left district and lower-left district by air guide piston 340, the upper end of air guide piston is connected with upper piston connecting rod, upper piston connecting rod top is provided with annular air guide groove 370, inflator 310 is provided with inlet mouth 320, source of the gas enters in inflator 310 by inlet mouth 320, and the below of air guide piston 340 is entered by gas channel 360, ensure that the top air pressure of air guide piston 340 is consistent with below air pressure, the below useful area S1 of air guide piston 340 is greater than top useful area S2, it is F=P (S1-S2) that air pressure promotes air guide piston 340 thrust upwards, along with the air pressure P in methane-generating pit progressively increases, when F is greater than the gravity of air guide piston 340 and upper piston connecting rod 350, upper piston connecting rod 350 will move upward, and the annular air guide groove 370 of upper piston connecting rod is connected with the air bag being arranged at inflator 310 outside, gas in inflator 310 enters in air bag by annular air guide groove 370, when the air pressure in inflator declines, due to the action of gravity of upper piston connecting rod 350, upper piston connecting rod moves down, and annular air guide groove 370 departs from air bag.

Cross Sheng gas gathering system to be connected with the gas storage plate of methane fermentation system, particularly, inlet mouth 320 is connected with gas storage plate, and biogas is entered in inflator 310 by inlet mouth 320.

For preventing the gas leakage of Sheng gas gathering system and ensureing its stability, be socketed with the fixed block being fixed on inflator 310 top outside upper piston connecting rod 350, Air sac cover is connected on fixed block and also fixes with it; Be provided with the limited step being fixed on inflator 310 inwall and being fixed on plate 1 in left district, limit the range of movement of air guide piston.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, the General Principle defined in the present invention when not departing from spirit of the present invention or scope, can realize in other embodiments.Therefore, the present invention can not be defined to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (2)

1. cross Sheng gas gathering system, it is characterized in that, it comprises inflator, plate one, air guide piston, upper piston connecting rod, be provided with plate in inflator and in the lump inflator inner chamber be separated into Zuo Qu and You Qu be interconnected up and down, air guide piston is slidably socketed between cylinder inner wall and plate one, and left differentiation is divided into upper left district and lower-left district by air guide piston, and the upper end of air guide piston is connected with upper piston connecting rod, upper piston connecting rod top is provided with annular air guide groove, and inflator is provided with inlet mouth; The below useful area S1 of air guide piston is greater than top useful area S2, upper piston connecting rod sleeve is connected to the fixed block being fixed on inflator top, Air sac cover is connected on fixed block and also fixes with it, is provided with the limited step being fixed on cylinder inner wall and being fixed on plate one in left district.

2. Sheng gas gathering system excessively according to claim 1, inlet mouth is connected with the gas storage plate of methane fermentation system, gas storage plate is also provided with Pneumatic mixing device, Pneumatic mixing device comprises pneumatic piston, gas storage plate is provided with the sleeve matched with pneumatic piston, pneumatic piston slides along sleeve vertical direction, and the upper end of pneumatic piston connects balancing weight by connecting rod, and the lower end of piston is connected by connecting rod stirs net.