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Dehumidification system and method

A dehumidification unit and auxiliary system technology, applied in chemical instruments and methods, separation methods, air-conditioning systems, etc., can solve problems such as unattractiveness, limited available running time of heat pumps, long-term use of direct electric heaters, etc.

Active Publication Date: 2020-07-03
ムンタースヨーロッパアクチエボラグ
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High heat demand limits the available run time of the heat pump
In this case, it is commercially unattractive to install a heat pump as the main heat source for the dehumidification plant as the conditions are too harsh for the heat pump and the direct electric heater has to be used for a long time

Method used

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  • Dehumidification system and method
  • Dehumidification system and method
  • Dehumidification system and method

Examples

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Embodiment Construction

[0033] Description of the preferred embodiment

[0034] figure 1 A process gas dehumidification system 2 is exemplarily shown, the process gas dehumidification system 2 includes a process gas dehumidification unit 4 with a moisture absorbent 6, the process gas dehumidification system 2 also includes a moisture absorbent regeneration system 8, the moisture absorbent regeneration system 8 Comprising a regeneration gas closed circuit 10, a regeneration gas flow generating device 12 for generating A regeneration gas flow 14, the heat pump 16 includes a condenser 18, an evaporator 20, and a heat pump refrigerant 22, wherein the regeneration gas closed loop 10 is arranged to pass through the condenser 18 and the evaporator 20 to pass between the regeneration gas 24 and the heat pump refrigerant 22 The dehumidification system 2 includes a regeneration gas moisture removal auxiliary system 26, a regeneration gas heat bypass system 28, devices 34, 36, and the regeneration gas moisture...

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Abstract

The invention relates to a process air dehumidification system (2) comprising a process air dehumidifier unit (4) comprising a moisture absorbing agent (6), the process air dehumidification system (2)further comprising a moisture absorbing agent regeneration system (8) comprising a closed regeneration air loop (10) arranged to pass through the process air dehumidifier unit (4) and comprising regeneration air flow generating means (12) for generating a regeneration air flow (14) in the closed regeneration air loop (10) and comprising a heat pump (16) comprising a condenser (18) and an evaporator (20) and a heat pump refrigerant (22), where the closed regeneration air loop (10) is arranged to pass through the condenser (18) and the evaporator (20) to exchange heat between regeneration air (24) and heat pump refrigerant (22), where the dehumidification system (2) comprises a complementary regeneration air moisture removal system (26) arranged downstreams of the evaporator (20) and upstreams of the condenser (18) and a regeneration air heat bypass system (28) arranged to exchange heat from inlet regeneration air (30) upstreams of the dehumidifier unit (4) and downstreams of the condenser (18) to outlet regeneration air (32) downstreams of the dehumidifier unit (4) and upstreams of the evaporator (20) and means (34) arranged to activate and deactivate the complementary regenerationair moisture removal system (26) and the regeneration air heat bypass system (28). The invention also relates to a method for dehumidification of process air.

Description

technical field [0001] The invention relates to a process gas dehumidification system and method according to the preambles of claims 1 and 15 . Background technique [0002] In many different industry sectors, such as agriculture, automotive, chemical processing, etc., it is very important to maintain the relative humidity of atmospheric or process gases (such as gases enclosed in or flowing into spaces such as storage rooms, production facilities, data centers, etc.), Within the limits specified to prevent undesired effects such as corrosion, electrical failure, bacterial growth, etc. [0003] One way to accomplish this is to remove process gas from the space and reintroduce it and / or introduce new process gas into the space through a dehumidifier that removes excess moisture from the process gas. [0004] A dehumidifier can absorb moisture from the process gas, for example using a hygroscopic agent in the dehumidifier. In order for the process gas to be continuously deh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F3/14F24F11/89F24F11/81F24F11/86
CPCF24F3/1411F24F2003/144F24F2003/1458F24F2203/02F24F2203/021F24F11/89F24F11/81F24F11/86F24F2203/1016B01D53/261B01D53/06B01D2253/106B01D2259/65B01D2259/4508Y02B30/52B01D53/263F24F3/1423F24F2203/1036
Inventor M·卡尔松
Owner ムンタースヨーロッパアクチエボラグ