Dehydration equipment, a gas compression system, and a dehydration method

Title:

Dehydration equipment, a gas compression system, and a dehydration method

Document Type and Number:

Japanese Patent JP6121449

Kind Code:

B2

Abstract:

A dehyderation equipment includes a plurality of adsorption towers that are proveided in parallel in a CO 2 gas supply line and alternately perform an adsorption process, in which water contained in CO 2 gas is adsorbed, and a regeneration process, in which adsorbed water is desorbed, a predetermined adsorption tower performing the adsorption process while the other adsorption tower performs the regeneration process. In the dehyderation equipment, a regenerative gas heater heats a portion of the CO 2 gas dehyderated in the adsorption tower that is performing the adsorption process and supplies the gas to the adsorption tower that is performing the regeneration process. A regenerative gas preheater performs heat exchange between the CO 2 gas that will be supplied to the regenerative gas heater and the CO 2 gas sent out from the adsorption tower that is performing the regeneration process. Then, in the dehyderation equipment, a regenerative gas cooler cools the CO 2 gas that has been sent out from the adsorption tower that is performing the regeneration process and exchanged heat, separates water from the cooled CO 2 gas, and returns the resulting gas to the adsorption tower. Thus, the dehyderation equipment can prevent an increase in utility consumption due to the regeneration process.

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Inventors:

Masayuki Inui
Takahito Yonekawa
Koji Nakayama
Tatsuya Tsujiuchi
Sorimachi Miki

Application Number:

JP2014556423A

Publication Date:

April 26, 2017

Filing Date:

January 08, 2014

Export Citation:

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Assignee:

MITSUBISHI HEAVY INDUSTRIES,LTD.

International Classes:

B01D53/26

Domestic Patent References:

JP63020936U
JP2010241630A

Foreign References:

US20130000486
US20050229784

Attorney, Agent or Firm:

Noriharu Fujita
Miori Takao
Kawakami Miki
Daisuke Nagata

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