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Gas storage method for straw methane tank

A gas storage and biogas digester technology, applied in sterilization methods, biochemical equipment and methods, gas production bioreactors, etc., can solve the problems of high cost, poor sealing, and low safety performance of gas storage cabinets , to achieve the effect of ensuring pressure safety and improving safety performance

Inactive Publication Date: 2017-05-31
重庆田瓜瓜农业科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a gas storage method for straw biogas digesters, which solves the problems of high cost, poor sealing performance and low safety performance of existing gas storage cabinets

Method used

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  • Gas storage method for straw methane tank
  • Gas storage method for straw methane tank
  • Gas storage method for straw methane tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 1-5 A gas storage method for a straw biogas digester is shown, including a biogas digester 1 located below the ground surface, and a biogas chamber 2 located above the ground surface. The shell of the biogas chamber is a double-layer structure, including an outer membrane 3 and an inner membrane 6 , between the outer membrane 3 and the inner membrane 6 is an insulation and pressure regulating chamber 7 as an insulation layer and a pressure regulating chamber, the insulation and pressure regulating chamber 7 is provided with an air inlet 8 and is connected with the blower 9 outside the biogas chamber, the insulation A pressure controller 10 is arranged in the pressure regulating chamber 7, and the pressure controller 10 is connected and controlled with the blower 9 to ensure the pressure safety of the heat preservation and pressure regulating chamber.

[0026] Such as figure 2 As shown, the outer layer of the outer film 3 is provided with a steel wire p...

Embodiment 2

[0031] Such as Figure 1-5 Shown is a gas storage method for a straw biogas digester. On the basis of Example 1, the biogas digester 1 is provided with a feed pipe, and the feed pipe is a double-layer structure, including the inner feed of the inner layer Pipe 19 and the outer hot water pipe 20 of outer layer. Guaranteed fermentation temperature.

Embodiment 3

[0033] Such as Figure 1-5 Shown is a gas storage method for a straw biogas digester. On the basis of Embodiment 1, the biogas digester 1 is provided with a slag discharge pipe 21 , and a slag discharge pump 22 is installed on the slag discharge pipe 21 .

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Abstract

The invention discloses a gas storage method for a straw methane tank. A methane tank positioned below the earth surface and a methane chamber positioned above the earth surface are included. The housing of the methane chamber is a bilayer structure, including an outer membrane and an inner membrane. A thermal-insulation and pressure-regulating chamber used as a thermal-insulation layer and a pressure-regulating cavity is arranged between the outer membrane and the inner membrane. The thermal-insulation and pressure-regulating chamber is provided with an air inlet and is connected to an air blower outside the methane chamber. A pressure controller is disposed inside the thermal-insulation and pressure-regulating chamber, and the pressure controller is connected to the air blower for control. The external layer of the outer membrane is provided with a steel wire protecting net, which contains an upper annular weft net, a middle annular weft net and a lower annular weft net. The upper annular weft net and the middle annular weft net are movably connected through connecting steel bars, and the middle annular weft net and the lower annular weft net are movably connected through connecting steel bars.

Description

technical field [0001] The invention relates to the field of biogas preparation and storage, in particular to a gas storage method for straw biogas digesters. Background technique [0002] At present, ordinary biogas storage tanks have the following problems: 1. When the biogas residue is discharged or the water level drops, a certain negative pressure will be generated inside the gas storage tank, which will cause certain damage to the gas storage tank; 2. No heat preservation The temperature is low, and the biogas is produced by the activities of various anaerobic bacteria. The normal adaptation temperature of anaerobic bacteria is 8-70°C, and no biogas will be produced below 8°C. This is why biogas projects in northern my country cannot produce gas in winter. 3. When the biogas material is reduced or the water level is insufficient, the biogas pressure cannot be constant, especially the requirement of the biogas generator set for constant pressure; 4. When the slag is disch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/38C12M1/36C12M1/00C12P5/02
CPCC12M21/04C12M23/36C12M23/46C12M23/48C12M37/04C12M41/18C12M41/40C12P5/023Y02E50/30
Inventor 李昌林
Owner 重庆田瓜瓜农业科技开发有限公司