Internal circulation pressure swing adsorption hydrogen purifier

Abstract

The invention provides an internal circulation pressure swing adsorption hydrogen purifier, which mainly consists of a built-in parallel first adsorption purification cylinder and a second adsorption purification cylinder with built-in adsorbents, a gas-water separator, a piston cylinder, a connecting rod driver, a push-pull Connecting rod, throttle valve, electromagnetic shut-off valve, ventilation check valve, back pressure valve, flame arrester, etc. The invention adopts a large-flow internal circulation process accompanied by a small amount of discharge, and implements gas purification by changing the gas purification flow process. Compared with the existing purifiers, the purity of the purified gas remains unchanged, while the consumption of high-purity gas used for regeneration is only 4% of the above-mentioned existing products. Energy consumption is 3.6% of the above existing products. Change the defects of existing traditional equipment: high consumption of high-purity hydrogen gas, large amount of waste gas hydrogen production and other disadvantages. The invention realizes the reduction of the amount of hydrogen produced in waste gas, and realizes the internal recycling of high-purity hydrogen.

Description

technical field [0001] The invention belongs to the technical field of gas purification, in particular to an internal circulation pressure swing adsorption hydrogen purifier used for pure water electrolysis to produce hydrogen. Background technique [0002] With the increasingly serious air pollution problem and the continuous improvement of gas purity requirements, as a gas purifier that can absorb, decompose or transform gas pollutants, and effectively improve the cleanliness of the gas, it has become a "hot appliance" at present. It has become a popular electrical appliance, which shows that the gas purification equipment has developed rapidly and has a good prospect in recent years. [0003] As a clean and efficient energy carrier, hydrogen energy has high hopes. Hydrogen is widely used in chemical industry, electronics, scientific research, energy, special sintering, inspection and quarantine, generator cooling and other fields; electrolysis of pure water hydrogen prod...

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Problems solved by technology

[0008] The object of the present invention is to overcome the disadvantages of the existing traditional equipment, such as large consumption of high-purity hydrogen gas and large production of waste gas hydrogen, and provide an internal circulation pressure swing adsorption hydrogen purifier, which realizes the reduction of waste gas hydrogen generation Quantity, to realize the internal circulation of high-purity hydrogen gas

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