Small-scale purification equipment for biogas

A biogas and small-scale technology, applied in the direction of gas fuel, petroleum industry, fuel, etc., can solve the problems of poor efficiency, high cost, difficult to promote, etc., and achieve the effect of avoiding backflow phenomenon
CN110791341AActive Publication Date: 2020-02-14江苏德瑞环保科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江苏德瑞环保科技有限公司
Publication Date
2020-02-14

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Abstract

The invention discloses small-scale purification equipment for biogas. The equipment comprises a main body, and a purification device is arranged in the main body; the purification device includes a purification cavity arranged on the inner left side of the main body, an extrusion plate capable of sliding left and right is arranged in the purification cavity, a filter membrane cavity is arranged in the left end surface of the extrusion plate, and a semi-permeable membrane is fixedly arranged in the filter membrane cavity; and the left end of the upper wall of the purification cavity communicates with an air inlet channel having an upward opening, the left end of the lower wall of the purification cavity communicates with a methane channel, and when the extrusion plate moves from left to right, the biogas is sucked into the purification cavity through the air inlet channel. According to the equipment, flow of the biogas is accelerated by sucking air, methane is quickly separated from the rest of waste gas by compressing the gas, the methane and the waste gas are discharged respectively, a gas flow direction is controlled by controlling opening and closing of channels for biogas inflow, methane outflow and waste-gas outflow, so that the backflow phenomenon of masonry is avoided.
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Description

technical field

[0001] The invention relates to the technical field of biogas purification, in particular to a small biogas purification and purification device. Background technique

[0002] With the continuous construction of rural biogas digesters, more and more places use the biogas produced by biogas digesters, which also solves the problem of agricultural waste. In biogas, methane can be used as an energy source, and other gases, such as hydrogen sulfide and ammonia water, are waste gases and have toxic effects. Therefore, biogas needs to be purified and purified before using it. However, the cost of existing biogas purification and purification devices is relatively high, and they have high requirements for operating specifications, so it is difficult to promote them in rural areas. It is extremely dangerous to use biogas directly for combustion. Separated for use, but the efficiency of separation is low, and the effect is not good. The present invention illustrates...

Claims

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