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Gas drying process and device

A technology of gas drying and process, applied in the direction of dispersed particle separation, chemical instruments and methods, separation methods, etc., can solve the problems of environmental pollution, waste, high cost, etc., and achieve the advantages of avoiding powdering of adsorbent, convenient operation and wide application range Effect

Active Publication Date: 2010-12-22
无锡联合超滤净化设备科技有限公司
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AI Technical Summary

Problems solved by technology

[0008] The invention provides a gas drying process and device to solve the problems of the prior art that the gas in the regeneration tower is directly discharged to pollute the environment or burn to cause waste and high cost in the decompression regeneration process

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Embodiment Construction

[0046] Gas drying process of the present invention is as follows:

[0047] (1) Adsorption

[0048] (1.1) Filtration and separation of the free liquid contained in the raw gas;

[0049] (1.2) A part of the gas obtained after the treatment of step (1.1) is pressurized and introduced into a tower for adsorption and drying; the adsorbent in the adsorption tower can be silica gel, aluminum glue or molecular sieves;

[0050] (1.3) Another part of the gas obtained after the treatment of step (1.1) is delivered to step (2) for regeneration;

[0051] (1.4) filtering the gas obtained after the treatment in step (1.2) to separate the solid dust particles in the gas;

[0052] (1.5) Part of the gas obtained after the treatment in step (1.4) is introduced into the gas utilization system, and the other part is introduced into the step (2.5);

[0053] (2) regeneration

[0054] (2.1) Heating the gas introduced through step (1.3), so that the temperature rises to the temperature required fo...

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Abstract

The invention provides a gas drying process and a gas drying device and mainly solves the problem of environmental pollution caused by directly exhausting gases in a regeneration tower or waste and high cost caused by burning the gases in the reduced regeneration process of the prior art. The gas drying process comprises three steps of adsorption, regeneration and circulation. The gases are not exhausted to the atmosphere any more during operation so as to prevent environmental pollution and waste caused by burning the exhaust gases; equipment for recycling the exhaust gases is not needed, sothe investment is reduced; and the process is simple and convenient to operate, saves the pressure reduction for exhaust and pressurization after regeneration, and reduces the cost.

Description

technical field [0001] The invention relates to a gas drying process and device. Background technique [0002] At present, the adsorption-type natural gas dehydration device usually adopts a double-tower structure, and its working principle is: when one tower is performing dehydration and adsorption work, the other tower is performing adsorbent regeneration. The tower for dehydration adsorption uses the adsorbent in the tower to absorb the moisture contained in the raw gas, thereby drying the raw gas; the tower for regeneration of the adsorbent generally directly enters the natural gas used as regeneration gas into the heater and heats it to After the temperature required for regeneration, it enters the tower, flows through the adsorbent bed, heats the adsorbent, and desorbs the moisture adsorbed by the adsorbent, so as to achieve the purpose of adsorbent regeneration. [0003] When the tower for adsorbent regeneration is working, it will continuously discharge regeneration...

Claims

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Application Information

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IPC IPC(8): B01D53/26B01D53/04
Inventor 张志全李大明
Owner 无锡联合超滤净化设备科技有限公司
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