Stable gas supply method
A stable, gas-supply pipe technology, applied in container filling methods, equipment loaded into pressure vessels, gas/liquid distribution and storage, etc., can solve problems such as pressure instability
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Embodiment 1
[0029] refer to figure 1 , in this embodiment, the gas supply device includes tube bundle vehicles 1, and the number of tube bundle vehicles 1 is two, but there may be one or more. There is gas stored in the tube bundle car with a pressure of 20MPa.
[0030] The tube bundle vehicle 1 communicates with the gas pipeline 11 through the high-pressure hose 2 and the valve 10 .
[0031] The gas pipeline 11 is provided with a filter 3, and the gas passes through the filter 3 and enters the first-stage decompression device 4 for the first-stage decompression. The primary decompression 4 equipment includes two parallel pipelines 41 and 42, two valve switches 43 are installed on each pipeline, and a primary decompression valve 44 is installed between the two valve switches 43 to depressurize the gas to 1.0 MPa.
[0032] Pressure gauges can also be installed before and after the first stage pressure reducing valve 44 to monitor the gas pressure before and after the first stage pressur...
Embodiment 2
[0042] refer to figure 1 , In this embodiment, hydrogen gas is stored in the tube bundle car 1 with a pressure of 20 MPa.
[0043] On the basis of Embodiment 1, the stable gas supply device in this embodiment also includes a replacement gas inlet 12 and a replacement gas outlet. Nitrogen enters the high-pressure hose 2 through the replacement gas inlet 12 and discharges the air in the high-pressure hose 2. After the replacement The gas is passed into the flame arrester 9 through the replacement gas outlet, and then discharged into the atmosphere.
[0044] In addition, if necessary, gas replacement can also be carried out in the gas pipeline 11 to prevent hydrogen gas from mixing with oxygen in the air to cause an explosion. After use, the valves at both ends of the gas transmission pipeline 11 are closed, and only hydrogen remains in the gas transmission pipeline. When it is used again, it does not need to be replaced, which solves the problem of a large amount of tail gas ge...
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