Metallurgical Industry - steel plate annealing nitrogen mach

Carbon molecular sieve was used as adsorbent for nitrogen production by pressure swing adsorption. Under a certain pressure, the adsorption of oxygen in the air by carbon molecular sieve is much greater than that of nitrogen. Therefore, through the programmable control of the opening and closing of the pneumatic valve, the two towers a and B can cycle alternately, pressure adsorption and decompression desorption to complete the separation of oxygen and nitrogen and obtain the required purity of nitrogen.

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