Heat recovery type multi-stage solution dehumidifying fresh air handling unit

A solution dehumidification, fresh air unit technology, applied in heat recovery systems, space heating and ventilation, space heating and ventilation details, etc. The effect of improving processing performance
CN104633792AInactive Publication Date: 2015-05-20TSINGHUA UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2015-05-20
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention relates to a heat recovery type multi-stage solution dehumidifying fresh air handling unit which comprises a fresh air handling channel and a return air handling channel. The fresh air handling channel comprises multiple stages of first solution-air direct contact modules and multiple stages of solution dehumidifiers. The return air handling channel comprises multiple stages of second solution-air direct contact modules and multiple stages of solution regenerators. Each first solution-air direct contact module is connected with the corresponding second solution-air direct contact module through a solution circulating pump to form a solution circulating loop. Each solution dehumidifier is connected with a first solution-water heat exchanger through a solution circulating pump to form a solution circulating loop. Each solution regenerator is connected with a second solution-water heat exchanger through a solution circulating pump to form a solution circulating loop. Each solution dehumidifier is connected with the corresponding solution regenerator in series to form a solution circulating loop. A solution-solution heat exchanger is arranged on the solution circulating loop between each solution dehumidifier and the corresponding solution regenerator.
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Description

technical field

[0001] The invention relates to a fresh air unit, in particular to a heat recovery type multi-stage solution dehumidification fresh air unit. Background technique

[0002] The air humidity treatment process is an important part of the building air conditioning system, and improving the performance of air dehumidification / humidification treatment is one of the key links to realize the efficient operation of the air conditioning system. The air dehumidification method in the existing air conditioning system is mostly based on condensation dehumidification, that is, low-temperature cold water, refrigerant and other refrigerants are used to cool the air below the dew point, so that the moisture in the air condenses to complete the dehumidification process. This dehumidification method requires a low temperature of the cold source (lower than the dew point temperature of the air), resulting in a low evaporation temperature of the refrigeration cycle, thereby limit...

Claims

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