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Gas pressure protection device

A protection device and gas pressure technology, applied in the field of anaerobic treatment, can solve problems such as the inability to adjust the upper limit of the pressure, and achieve the effects of avoiding the upper limit change of the gas storage pressure, improving safety, and maintaining a constant threshold

Inactive Publication Date: 2020-08-07
QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the height between the overflow port and the bottom of the pressure limiting tube is fixed, so the upper pressure limit cannot be adjusted

Method used

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  • Gas pressure protection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 As shown, this embodiment provides a gas pressure protection device, which includes a tank body 1 and a water level adjustment assembly 3, a liquid is arranged in the tank body 1, an air inlet 11 and an air outlet 12 are arranged on the tank body, and the air inlet 11 is connected with a pressure-limiting tube 4, and the gas outlet end of the pressure-limiting tube 4 stretches into the liquid in the tank body 1. The water level adjustment assembly 3 includes a water level adjustment tube 31 , the height of the upper end surface of the water level adjustment tube 31 is adjustable, and the lower end surface of the water level adjustment tube 31 extends out of the tank body 1 .

[0039] In the gas pressure protection device provided in this embodiment, a liquid is provided in the tank body 1 , a pressure limiting tube 4 is connected to the air inlet, and the gas outlet end of the pressure limiting tube 4 extends into the liquid in the tank body 1 . The ga...

Embodiment 2

[0061] In another optional embodiment of the present invention, the water level regulating pipe 31 may be directly connected to the bottom of the connecting body 2 in a sealed manner through a sealing member. By setting a through hole at the bottom of the connecting body 2, the seal is set as a rubber plug, the rubber plug is in an interference fit with the through hole, and a connecting hole is set in the middle of the rubber plug, the water level regulating pipe 31 can pass through the connecting hole, and is connected with the connecting hole. Connection hole interference fit connection. When adjusting the height of the upper end surface of the water level regulating pipe 31 in the connecting body 2, an upward or downward force can be applied to the water level regulating pipe 31 on the outside of the rubber plug by means of external force to adjust the upper end surface of the water level regulating pipe 31 in the connecting body 2 high. Through the rubber plug, the heigh...

Embodiment 3

[0063]The difference between this embodiment and Embodiment 1 is that the tank body 1 and the connecting body 2 in this embodiment are set separately, the bottom of the connecting body 2 is slightly lower than the gas outlet end of the pressure limiting tube 4 in the tank body 1, and the tank body 1 and the connecting body 2 are connected. Two connecting holes are respectively arranged on the opposite side walls of the body 2, and the diameter of the connecting holes is 6mm-10mm. Then connect the corresponding connecting holes one by one through the two connecting pipes, so as to realize the communication between the tank body 1 and the connecting body 2 and to suppress the fluctuation of the water surface in the connecting body 2 when the pressure limiting pipe 4 is depressurized and exhausted.

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Abstract

The invention discloses a gas pressure protection device, and relates to the technical field of anaerobic treatment. The gas pressure protection device comprises a tank body and a water level regulating component, wherein liquid is filled in the tank body; an air inlet and an air outlet are formed in the tank body, a pressure limiting pipe is connected in the air inlet, and the air outlet end of the pressure limiting pipe extends into the liquid in the tank body; and the water level regulating component comprises a water level regulating pipe, the height of the upper end face of the water level regulating pipe is adjustable, and the lower end face of the water level regulating pipe extends out of the tank body. The gas pressure protection device controls the height difference of the upperend face of the water level regulating pipe and the air outlet end of the pressure limiting pipe by adjusting the height of the upper end face of the water level regulating pipe, so that the height ofthe water level in the tank body is consistent with the height of the upper end face of the water level regulating pipe, and further the underwater depth of the pressure limiting pipe is controlled.The water pressure corresponding to the underwater depth of the pressure limiting pipe is the upper pressure limit of gas, and thus the upper limit of gas storage pressure can be regulated.

Description

technical field [0001] The invention relates to the technical field of anaerobic treatment, in particular to a gas pressure protection device. Background technique [0002] The biogas fermentation process needs to be strictly sealed to ensure an anaerobic environment, and the biogas pressure in the biogas fermentation device changes dynamically with the biogas utilization process. As an important parameter in the biogas fermentation process, the biogas pressure directly affects the safety of the biogas fermentation device, so there are high requirements for the reliability and data accuracy of the biogas safety pressure control. [0003] In the prior art, when a water-sealed pressure relief tank is used as a biogas pressure protection device, the air inlet of the water-sealed pressure relief tank is connected to a pressure-limiting pipe, and the pressure-limiting pipe is inserted into water at a certain depth, and the water is connected to the air inlet connected to the pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/02F17D3/01F16J15/00F16L43/00C12M1/00
CPCC12M1/00F16J15/00F16L43/00F17D1/02F17D3/01
Inventor 俞发强张名捷胡金磊邹祁武赵耀鹏阮伟聪任万鑫杨函煜孔华东黎灿兵
Owner QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD
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