Movable-cover-free cyclic feeding and discharging type methane-generating pit

A biogas digester, feeding and discharging technology, applied in the field of biogas digesters, can solve the problems of not producing biogas, affecting biogas, less biogas, etc., and achieving the effects of easy operation, not easy to leak, and easy to operate.

Inactive Publication Date: 2017-08-08
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the biogas digester cannot output biogas, and the operation of loading or extracting biogas slurry and biogas residue is relatively cumbersome; when the movable cover is not tightly sealed, it is easy to cause air leakage
In addition, when a single charge generates biogas once, the surface layer of the feed liquid in the biogas tank is prone to crusting, which affects the generation of biogas
In winter, this kind of biogas digester is affected by temperature, and there are problems such as little or no biogas production

Method used

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  • Movable-cover-free cyclic feeding and discharging type methane-generating pit
  • Movable-cover-free cyclic feeding and discharging type methane-generating pit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The schematic diagram of the structure of a kind of biogas digester with a movable cover that circulates in and out of materials described in this embodiment is shown in figure 1 shown.

[0024] The biogas digester described in this embodiment is composed of a feed port 1, a feed pipe 2, a biogas digester body 3, a water pressure room 4, a prefabricated capping cover 5, an air guide pipe 6, and a discharge chamber. Composed of mouth 7; feed pipe 2 is installed above the bottom of biogas tank body 3, and the other end of feed pipe 2 leads upwards to communicate with feed port 1; there is a channel at the bottom of biogas tank body 3 and the bottom of water pressure room 4 Connected, the upper end of the water pressure room 4 has a discharge port 7; the prefabricated capping cover 5 is installed on the upper part of the biogas digester body 3, and the prefabricated capping cover 5 and the biogas digester body 3 are sealed and connected; the air duct 6 is installed on the ...

Embodiment 2

[0034] The schematic diagram of the structure of a kind of biogas digester with a movable cover that circulates in and out of materials described in this embodiment is shown in figure 2 shown.

[0035] The structure of the biogas digester without movable cover circulation in and out of material described in this embodiment is basically the same as that of the biogas digester in Example 1, the difference is that the activity-free The cover cycle feeding and discharging type biogas digester is installed under the ground in the solar greenhouse 8, and the solar greenhouse 8 is used to increase the temperature of the biogas digester so that it can also produce biogas in winter, which solves the problem of no or little gas production in the northern winter of the biogas digester. At the same time, the biogas digester built in the solar greenhouse 8 can be well combined with the cultivation of vegetables in the solar greenhouse. The biogas slurry and residue produced after anaerobi...

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Abstract

The invention discloses a movable-cover-free cyclic feeding and discharging type methane-generating pit. The methane-generating pit is composed of a feeding hole, a feeding pipe, a pit body of the methane-generating pit, a prefabricated top sealing cover, a gas guide pipe, a water pressure chamber and a discharging hole, wherein the feeding pipe is mounted above the bottom of the pit body of the methane-generating pit and the other end of the feeding pipe is upward introduced out to be communicated with the feeding hole; a channel is arranged at the bottom of the pit body of the methane-generating pit and is communicated with the bottom of the water pressure chamber; the discharging hole is formed in the upper end of the water pressure chamber; the prefabricated top sealing cover is mounted at the upper part of the pit body of the methane-generating pit and is in sealed connection with the pit body of the methane-generating pit; the gas guide pipe is mounted on the prefabricated top sealing cover. The methane-generating pit disclosed by the invention is simple in construction, convenient to use, good in sealing performance and long in service life; material liquid is not easily crusted. By combining a sunlight greenhouse, the problem that gas is not generated in winter is solved; the movable-cover-free cyclic feeding and discharging type methane-generating pit has the characteristic that the gas is normally generated in a whole year.

Description

technical field [0001] The invention discloses a type biogas digester without a movable cover which circulates material in and out, and belongs to the technical field of biogas digesters. Background technique [0002] The existing biogas digester is composed of a biogas digester body, an air guide pipe and a movable cover, and a movable cover is arranged on the upper part of the biogas digester body. When the biogas digester is working normally, the movable cover closes the biogas digester, and the biogas generated in the biogas digester is output through the air duct. When loading materials into the biogas tank, or extracting biogas slurry and biogas residue from the biogas tank, it is necessary to open the movable cover and operate through the cover opening. At this time, the biogas digester cannot output biogas, and the operation of loading or extracting biogas slurry and biogas residue is cumbersome; when the movable cover is not tightly sealed, it is easy to cause gas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C12M1/00
CPCC12M21/04C12M33/00C12M37/04Y02E50/30
Inventor 赵桂慎王京平吴文良郭岩彬梁龙彭澎杭胜
Owner CHINA AGRI UNIV
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