Product gas output device of high-purity and high-pressure gas preparation equipment
A technology for outputting device and product gas, which is applied in the fields of dispersed particle separation, chemical instruments and methods, separation methods, etc., can solve the problem of not providing practical and effective system preparation time, and achieve shortening system preparation time, reducing operating costs, and working conditions. good adaptability
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Embodiment 1
[0022] Such as figure 1 It can be seen that this embodiment is applied to a high-purity, high-pressure gas equipment based on PSA technology.
[0023] In this embodiment, the high-purity, high-pressure gas equipment based on PSA technology includes a gas source compressor 1, and the gas source compressor 1 passes through a gas-liquid separator A2, a refrigerated dryer 3, and a gas-liquid separator B4 1. The filter A5 communicates with the air source buffer tank 8, and a back pressure valve A7 that can control the pressure in front of the valve is arranged between the filter A5 and the air source buffer tank 8, and is adjacent to the air source buffer tank 8; A gas source bypass 6 is arranged between the pressure valves A7, and the gas source buffer tank 8 communicates with the gas source bypass 6 through the gas source buffer tank exhaust pipeline 9 and the check valve A10; the gas source bypass Road 6 communicates with PSA gas separation device 12 through valve A11; describe...
Embodiment 2
[0034] Such as figure 2 It can be seen that this embodiment is applied to high-purity, high-pressure gas equipment based on PSA technology, and the difference from Embodiment 1 is:
[0035] 1. A replacement gas bypass 16 is connected in parallel between the pressure swing adsorption gas separation device 12 and the back pressure valve B18, and the replacement gas bypass 16 is provided with a one-way valve B17 and a throttle valve 19. At the back pressure valve B18 in front of the product gas buffer tank 20, a parallel displacement gas bypass 16 is set, through the check valve B17 on the replacement gas bypass and the orifice of the throttle valve 19, the gas stored in the product gas buffer tank For the qualified product gas in 20, after the pressure is equalized in PSA tower A13 or PSA tower B14, the gas with impurities at the top of the PSA tower is pressed forward, and at the same time, the Under certain conditions, the impurities adsorbed on the top of the pressure swing...
Embodiment 3
[0038] Such as image 3 It can be seen that this embodiment is applied to high-purity and high-pressure gas equipment based on PSA technology. In this embodiment, between the valve H34 and the medium and high-pressure gas cylinder 35 to between the one-way valve B17 and the product gas buffer tank 20, A decompression backfill pipeline 46 is set, and a valve I36 and a pressure relief valve A37 are arranged on the decompression backfill pipeline 46; the high-purity product gas separated by the equipment is stored in the medium and high-pressure gas cylinders 35; When producing high-purity product gas, the high-pressure high-purity product gas stored in the medium and high-pressure gas cylinders 35 is decompressed and transported to the product gas buffer tank 20 through the pressure reducing valve A37 to realize the pressure swing adsorption gas separation device When it is turned on, it is in the working state and working condition of normal separation and output of high-purity...
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