Novel underground constant-pressure biogas storage device

Abstract

The invention relates to a novel underground constant-pressure biogas storage device. In order to overcome the defects of the existing biogas storage device that the occupied floor area is large, the anticorrosion maintenance is needed every year, an exposed concrete pond wall part is likely to fracture and easy for leaking water, and the service life is short, the invention provides a novel underground constant-pressure biogas storage device. According to the technical scheme, a cushion block (1) is fixed on a given position at the bottom of a pond, a water supply pipe (3) is installed in a wall (2), an arch cover (8) is connected with the wall (2), an adjusting fixed water pressure pipe (4) is connected with the cushion block (1), then a cover plate (10) is installed on the wall (2), a movable cover (7) with an air guide pipe (6) is installed on the cover plate (10), and the constant pressure of an air chamber (5) and a water pressure chamber (9) is maintained by virtue of the water pressure pipe (4) and the water supply pipe (3).

Description

technical field [0001] The invention relates to a novel underground constant pressure methane storage device. Background technique [0002] At present, the known gas storage devices for large and medium-sized biogas are all above-ground structures, and the materials used are mainly steel floating hoods and soft gas storage hoods made of double-film plastic materials. The disadvantages and disadvantages are: 1. Large footprint ; 2. The steel floating cover needs to be maintained for anti-corrosion every year, and the concrete pool wall part exposed to the ground is easy to crack and leak; 3. The service life of the double-film plastic is short and other shortcomings. Contents of the invention [0003] In order to overcome the above-mentioned problems in the existing biogas storage device technology, the present invention provides an underground constant pressure biogas storage device, which does not occupy the surface, requires less investment, is maintenance-free, and has ...

AI Technical Summary

Problems solved by technology

[0002] At present, the known gas storage devices for large and medium-sized biogas are all above-ground structures, and the materials used are mainly steel floating hoods and soft gas storage hoods made of double-film plastic materials. The disadvantages and disadvantages are: 1. Large footprint ; 2. The steel floating cover needs to be maintained for anti-corrosion every year, and the concrete pool wall part exposed to the ground is easy to crack and leak; 3. The service life of the double-film plastic is short.

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