CN201362715Y

CN201362715Y - Rural household biogas pool

Info

Publication number: CN201362715Y
Application number: CNU2009201265254U
Authority: CN
Inventors: 杜长华; 陈建刚; 赵年成
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-04
Filing date: 2009-03-04
Publication date: 2009-12-16
Anticipated expiration: 2019-03-04

Abstract

The utility model discloses a rural household biogas pool which comprises a pool body, a feeding pipe, an air valve, a water pressure room and a fermentation cavity, wherein the fermentation cavity is an inner chamber of the pool body which is an elliptical spheroid structure; a top opening is reserved at the top of the pool body, and the water pressure room extends into the fermentation cavity through the top opening and is connected with the pool body in a sealing way; and the lower end of the water pressure room is provided with an opening which communicating the water pressure room with the fermentation cavity. In the utility model, the traditional high circular agricultural biogas pool is changed into elliptical biogas pool so as to reduce the height of the biogas pool, thus being beneficial to reducing the depth of pits excavated by farmers when installing the biogas pool, and saving labor costs; the water pressure room is arranged at the top of the biogas pool, thus being extremely convenient for slag and floating shell removal; moreover, the biogas pool is made of organic glass fiber reinforced plastic materials, thus improving the corrosion resistance of the pool body, and being capable of adopting industrial production and beneficial to generalization and application of vast number of rural users.

Description

Methane-generating pit for farm household

Technical field

The utility model relates to a kind of methane-generating pit, is specifically related to a kind of low cost, methane-generating pit for farm household easy for installation.

Background technology

China has vast people in the countryside, the daily most of modes that still adopt timber or burn coal of cooking of lighting a fire of people, and this had both consumed ample resources, and efficiency of combustion is low, also was unfavorable for environmental protection, had also increased people's expenditure.Along with the maturation of methane-generating pit technology, its heating efficiency height, cost low advantage be subjected to extensive attention, country encouraged the development of methane-generating pit since 2004, and made 2010 and will reach the popularity rate of the production and use of marsh gas 30% strategic objective.

The development of biogas and the research and design of pond type present multicoloured situation at present.On material, concrete, modified cement, magnesite, organic resin and plastics etc. are arranged at present, and the methane-generating pit variable thickness of dissimilar materials making; In the design of pond type, main still is based on the sphere structure of circle.The methane-generating pit that adopt in now present rural area, mostly be hydraulic type biomass pool, ubiquity slagging-off difficulty, material come-up crust, factor of created gase is low, adaptability is wide, inconvenience is installed, promote the problem that is restricted, be illustrated in figure 1 as the structure sectional view of traditional methane tank, it is characterized by and adopt circular sphere structure, be provided with water pressure house 24 on a distolateral wall of methane-generating pit, the other end sidewall connects feed-pipe 22, connects air valve 23 at body top, pond; The hole that the methane-generating pit of this structure must excavate the sphere diameter degree of depth when mounted is landfill again, need expend a large amount of man-hours, workload is too big, and because water pressure house 24 is installed in the lateral parts of pond body, its joint portion is in the pond body up and down on the two-part bonding crack, it is fixing and bonding good to be difficult to during installation, and the excessive problem of biogas appears in regular meeting; Because air valve 23 is only left in the methane-generating pit upper end, it is very inconvenient to remove the gred, and could handle after methane-generating pit need being opened, and operation is trouble very.

The utility model content

Need deep-cut heatable adobe sleeping platform when installing at agricultural methane-generating pit of the prior art, then can not install on rainy day, and leak air easily, production cost is higher, the deficiency of being inconvenient to remove the gred and clearing up floating shell, the utility model provide a kind of easy for installation, have a good resistance to air loss, convenient slagging-off, production cost is low, helps the methane-generating pit for farm household of extensively promoting.

The technical solution of the utility model is: methane-generating pit for farm household, comprise pond body, feed-pipe, air valve, water pressure house and fermentation chamber, and fermentation chamber is the inner chamber of pond body, it is characterized in that, described pond body is the oval-shaped ball structure; Leave open top at body top, pond, water pressure house stretches in the fermentation chamber by open top, and is tightly connected with the pond body; Opening is left in lower end at water pressure house, and opening is communicated with water pressure house with fermentation chamber.

Further feature is: described water pressure house is a conical structure, places by the up big and down small shape of going up, and its central shaft overlaps with the central shaft of pond body vertical direction.

Be provided with snap ring at water pressure house and open top contact position, snap ring is enclosed within on the outer wall of water pressure house.

Upper end open place at water pressure house is provided with removable cover.

With respect to prior art, the utlity model has following remarkable advantage:

1, changes traditional agricultural methane-generating pit into ellipse from high circle, reduced the height of methane-generating pit, help reducing the degree of depth of excavating heatable adobe sleeping platform when peasant household installs, saved labour cost, also reduced simultaneously and installed the work day that consumes;

2, water pressure house is arranged on the methane-generating pit top, no matter rain or the hole in have ponding to install, and water pressure house can easily be fixed when mounted with bonding, effectively improved the resistance to air loss of water pressure house and pond body connection section, simultaneously can take out water pressure house, by its opening of reserving at Chi Tishang, can remove the gred very easily and the cleaning of floating shell, solved the difficult problem of methane-generating pit slagging-off for a long time;

3, adopt the synthetic glass steel to do methane-generating pit, saved great amount of cost, improved the erosion resistance of pond body, prolonged work-ing life, and can adopt industrial production, get final product, help vast rural subscribers and promote the use of by Mould Machining.

Description of drawings

Fig. 1 is the sectional view of traditional methane tank;

Fig. 2 is the front view of the utility model methane-generating pit for farm household;

Fig. 3 is the A-A sectional view of Fig. 2.

Among the figure, 1-pond body, 2-feed-pipe, 3-air valve, 4-water pressure house, 5-removable cover, 6-open top, 7-fermentation chamber, 8-opening, 9-snap ring, 22-feed-pipe, 23-air valve, 24-water pressure house.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Methane-generating pit for farm household of the present utility model, it is the improvement of carrying out at the deficiency that the traditional methane-generating pit in rural area in use exists, comprise pond body 1, feed-pipe 2, air valve 3, water pressure house 4 and fermentation chamber 7, fermentation chamber 7 is the inner chamber of pond body 1, it is characterized in that described pond body 1 is the oval-shaped ball structure; Leave open top 6 at pond body 1 top, water pressure house 4 stretches in the fermentation chamber 7 by open top 6, and is tightly connected with pond body 1; Leave opening 8 in the lower end of water pressure house 4, opening 8 is communicated with water pressure house 4 with fermentation chamber 7.Feed-pipe 2 is communicated with fermentation chamber 7 from the side of pond body 1, and as the pipeline that the fermented material of biogas is added fermentation chamber 7, air valve 3 is connected with the biogas pipeline of outside as the discharge valve of the biogas of fermentation chamber 7 generations, and biogas is transported to the user.

The trans D of described pond body 1 is greater than vertical diameter.When the design methane-generating pit, build 1 6-8m according to biogas project national standard ³About methane-generating pit, the prioritization scheme that adopts in the present embodiment, methane-generating pit is designed to diameter 2.6m, the oval-shaped ball structure of high 2.2m, the high circular pond that its vertical aspect ratio is traditional will be hanged down about 0.5m, and this helps peasant household and excavates when burying the methane-generating pit heatable adobe sleeping platform underground, can dig the degree of depth of 0.5m less, owing to when earth excavation, more down dig hard more also more time-consumingly, therefore adopt oval-shaped sphere structure can save 2 work days of labour cost at least, greatly reduce production cost.

Described water pressure house 4 is a conical structure, places by up big and down small shape, and its central shaft overlaps with the central shaft of pond body 1 vertical direction.Be provided with snap ring 9 in water pressure house 4 and open top 6 contact positions, snap ring 9 is enclosed within on the outer wall of water pressure house 4.Water pressure house 4 is inserted in the fermentation chamber 7, after get well with snap ring 9 plugs its joint portion with open top 6, smear seam with clay, and the water of packing into.With respect to traditional methane-generating pit water pressure house is arranged on the side; after the utility model improvement is arranged on pond body 1 top with water pressure house 4; no matter rain or the hole in have under the situation of ponding and can both install; and when having overcome traditional water pressure house and being installed in the side; its joint portion is in the pond body up and down on the two-part bonding crack; be difficult to fixing and bonding good during installation; the excessive difficult problem of biogas appears in regular meeting; rely on the downward gravity compressing of the weight joint portion clay of water in the water pressure house to make that biogas can be not excessive in the pond, effectively raise the resistance to air loss of whole methane-generating pit.

Upper end open place at water pressure house 4 is provided with removable cover 5, and removable cover 5 is the sealing of the upper end open of water pressure house 4 and since methane-generating pit be landfill in underground, have only the top to basset, add that removable cover 5 has guaranteed the security of using.

Because traditional methane-generating pit is a difficult problem on the floating shell in slagging-off and removing pond, and structure of the present utility model can be good at solving always.When needing slagging-off, water pressure house 4 is taken out from pond body 1, drain the liquid in the fermentation chamber 7, the personnel of slagging-off directly enter in the fermentation chamber 7 by open top 6, with the scum removing, scum is transported got final product by hanging basket is set in open top 6.Need remove when floating shell in the pond, only need water pressure house 4 is taken out from pond body 1, the cleanup crew can finish the work of knowing at open top 6 external application waddys or bamboo pole, and is convenient and swift.

Methane-generating pit for farm household of the present utility model adopts the starting material of perspex steel as methane-generating pit, have acid and alkali-resistance, hydrogen sulfide and methane corrosive distinguishing feature, and with respect to traditional cement, FRIM, mould traditional materials such as concrete, the methane-generating pit that perspex steel is made has better resistance to air loss, also can save great amount of cost simultaneously.And can make by mould in factory, because the synthetic glass steel that adopts is light, quality is hard, be easy to processing, during production, with the mould made indoor pond body 1, feed-pipe 2, water pressure house 4 are made after, be transported to again to install in the peasant household that needs and get final product, can greatly improve installation effectiveness, effectively reduce the expenditure cost of peasant household, help the promotion and application in vast rural area.

Claims

1, methane-generating pit for farm household comprises pond body (1), feed-pipe (2), air valve (3), water pressure house (4) and fermentation chamber (7), and fermentation chamber (7) is the inner chamber of pond body (1), it is characterized in that, described pond body (1) is the oval-shaped ball structure; Leave open top (6) at pond body (1) top, water pressure house (4) stretches in the fermentation chamber (7) by open top (6), and is tightly connected with pond body (1); Leave opening (8) in the lower end of water pressure house (4), opening (8) is communicated with water pressure house (4) with fermentation chamber (7).

2, methane-generating pit for farm household according to claim 1 is characterized in that, described water pressure house (4) is a conical structure, places by up big and down small shape, and its central shaft overlaps with the central shaft of pond body (1) vertical direction.

3, methane-generating pit for farm household according to claim 1 and 2 is characterized in that, is provided with snap ring (9) in water pressure house (4) and open top (6) contact position, and snap ring (9) is enclosed within on the outer wall of water pressure house (4).

4, methane-generating pit for farm household according to claim 1 and 2 is characterized in that, is provided with removable cover (5) at the upper end open place of water pressure house (4).

5, methane-generating pit for farm household according to claim 1 and 2 is characterized in that, the trans D of described pond body (1) is greater than vertical diameter.

6, methane-generating pit for farm household according to claim 1 and 2 is characterized in that, adopts the starting material of perspex steel as pond body (1).