An adsorption tower, an adsorption purification system and a purification method
A purification system and adsorption tower technology, which is applied in the field of adsorption purification systems and adsorption towers, can solve the problems of large consumption of regeneration gas and incomplete regeneration, and achieve the effect of reducing the amount of consumption
Active Publication Date: 2019-04-12
CHENGDU SEPMEM SCI & TECH
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The disadvantages of this process are: the consumption of regeneration gas is large, and the regeneration is not complete
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[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...
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Disclosed are an adsorption tower (100), an adsorption purifying system and a purifying method. The adsorption tower (100) comprises an adsorption tower body (101) and a heat exchange device, wherein the adsorption tower (100) is provided with a raw material gas inlet connection pipe (105) and a purified gas outlet connection pipe (106), the heat exchange device comprises a plurality of heat exchange pipes (109) arranged in the adsorption tower (100), and there is a gap (110) for being filled with an adsorbing agent between the heat exchange pipes (109). The adsorption purifying system comprises at least two adsorption towers (100) connected in parallel, wherein part of the adsorption towers (100) are in an adsorption state, part of the adsorption towers are in an adsorption stage, and part of the adsorption towers are in an adsorbent regeneration stage. The purifying method comprises the steps of adsorption and adsorbent regeneration. In the adsorbent regeneration step, both the heat exchange device and a heat regeneration gas are first used for heating the adsorbent, and then, both the heat exchange device and a cold regeneration gas are adopted to cool the adsorbent, which can reduce the amount of regeneration gas.
Description
technical field [0001] The invention relates to the technical field of gas purification, in particular to an adsorption tower, an adsorption purification system and a purification method. Background technique [0002] At present, in the natural gas purification process, adsorbents are often used to remove CO in the raw gas. 2 and moisture and other impurities, raw gas includes but not limited to natural gas. In the existing purification process, the step of adsorbent regeneration is involved: the raw gas is adsorbed and purified by the adsorbent and sent out of the boundary, and then the adsorbent saturated with water passes through the regeneration step to separate the water from the adsorbent. The regeneration steps of the adsorbent are divided into hot blowing and cold blowing: during hot blowing, the regeneration gas is heated by the heater and then directly enters the adsorption tower to heat the adsorbent. After the adsorbent is heated, the water in the adsorbent evap...
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IPC IPC(8): B01D53/02C10L3/10
CPCB01D53/02C10L3/10
Inventor 张惊涛黄文俊
Owner CHENGDU SEPMEM SCI & TECH