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Process and device for drying adsorption type compressed gas regenerated by using compression heat

A technology of compressed gas and drying process, which is applied in gas treatment, membrane technology, and separation of dispersed particles, etc., to achieve significant energy saving and consumption reduction, thorough regeneration, and drift avoidance

Active Publication Date: 2011-06-22
XIAN UNIONFILTER PURIFICATION EQUIP
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Problems solved by technology

[0010] The present invention aims to overcome the shortcomings of existing adsorption drying methods and large-scale adsorption compressed gas dryers, and provides an adsorption compressed gas drying process that can obtain lower dew point dry gas and recover blown cold gas by utilizing compression heat regeneration and devices, which have a significant effect of saving and reducing consumption

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  • Process and device for drying adsorption type compressed gas regenerated by using compression heat
  • Process and device for drying adsorption type compressed gas regenerated by using compression heat

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Embodiment Construction

[0037] The adsorption drying method utilizing compression heat regeneration mainly includes the following steps:

[0038] 1] The raw material gas first flows through the regenerated adsorbent at full flow, uses the waste heat of the raw gas to heat the regenerated adsorbent, and then flows through the adsorbed adsorbent, and the above gas is dried by the adsorbent to absorb moisture and become Product gas discharge;

[0039] 2] After cooling and separating the raw material gas, it flows through the adsorbent for adsorption in step 1. After the moisture in the adsorbed raw material gas is dried, it becomes product gas, part of the product gas is discharged, and part of the product gas enters step 3 for processing; enter step 3 or Part of the gas processed in step 4 is 4 to 10% of the total finished product in step 2, preferably 5 to 7%, and the ratio can be adjusted according to specific conditions in actual production;

[0040] 3] Part of the product gas generated in step 2 i...

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Abstract

Aiming at overcoming the defects of the traditional absorption drying method and a large adsorption type compressed air dryer, the invention provides a process and device being used for drying an adsorption type compressed gas regenerated by using compression heat, being capable of obtaining a drying gas with lower dew point and recycling a blast-cold gas. According to the invention, an exhaust and pressure-reduction process does not exist, the regenerated and heated blast-cold gas is recycled, the compressed air and the energy are saved, and the energy consumption is lowered.

Description

technical field [0001] The invention relates to an adsorption compressed gas drying process and device, in particular to an adsorption compressed gas drying process and device utilizing compression heat regeneration. Background technique [0002] In the compressed gas drying technology, the adsorption dryer is widely used because it can obtain low dew point gas. The commonly used models are divided into heatless regeneration, micro heating regeneration, external heating regeneration and compression heat (waste heat) regeneration according to their regeneration methods. . [0003] Under the current international and domestic energy-saving and consumption-reducing situation, the original various adsorption dryers show their shortcomings. 20%), high energy consumption and large waste and limited use (currently only for 20cm 3 / min model); the micro-heating regenerative adsorption dryer is also about to be eliminated by the market due to the large consumption of finished gas a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/26B01D53/04
CPCB01D2259/402B01D53/0462B01D53/261
Inventor 李大明张志全吉军
Owner XIAN UNIONFILTER PURIFICATION EQUIP
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