Precooling solid dehumidification bed
A dehumidification bed and solid technology, which is applied in the field of air dehumidification, can solve the problems of rising outlet air temperature, temperature rise, and dehumidification efficiency decline.
Pending Publication Date: 2020-08-18
GUANGDONG UNIV OF TECH
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[0004] In view of this, the present invention provides a pre-cooling solid dehumidification bed, which is used to solve the problems of temperature rise caus
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[0023] The invention provides a pre-cooling solid dehumidification bed, which is used to solve the problems of temperature rise caused by dehumidification of solid dehumidification materials, resulting in a decrease in dehumidification efficiency and an increase in outlet air temperature.
[0024] In the description of the embodiments of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and only It is for the convenience of describing the embodiment of the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiment of the present invention. In addition, the terms "first" and "sec...
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The invention belongs to the technical field of air dehumidification and particularly relates to a precooling solid dehumidification bed. When the precooling solid dehumidification bed carries out dehumidifying operation, air flows into a shell from an air inlet under driving of a draught fan and conducts heat exchange with a precooler first to reduce the dry-bulb temperature of the air, and thenthe air flows in the shell in a zigzag mode, passes through a first-stage dehumidification module, a second-stage dehumidification module, a third-stage dehumidification module or higher-grade dehumidification modules in sequence and flows out from an air outlet. Moisture in the air is absorbed by a solid adsorption dehumidification layer. At the same time, through precooler conducts cooling and dehumidifying on the air to reduce the influence of condensation heat in the dehumidification process of the solid adsorption dehumidification layer. The dehumidification efficiency is improved, the temperature of the air at the outlet is lowered, and the sensible heat load of a follow-up air-conditioning system is reduced. Moreover, the precooler and the solid adsorption dehumidification layer areseparated to reduce the influence of the precooler on the performance of a dehumidification material of the solid adsorption dehumidification layer, and the moisture absorption capacity of the dehumidification material is improved.
Description
technical field [0001] The invention belongs to the technical field of air dehumidification, in particular to a precooling solid dehumidification bed. Background technique [0002] The dehumidification process of solid dehumidification material is an approximately isenthalpic process, which will release heat of adsorption, so that the temperature of solid dehumidification material will increase, the dehumidification efficiency will decrease, and the outlet air temperature will also increase, increasing the sensible heat of the subsequent air conditioning system load. [0003] Therefore, how to reduce the temperature increase caused by the dehumidification of the solid dehumidification material, resulting in a decrease in dehumidification efficiency, an increase in outlet air temperature, and an increase in the sensible heat load of the subsequent air conditioning system has become a problem to be solved by those skilled in the art. Contents of the invention [0004] In vi...
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Login to View More IPC IPC(8): F24F3/14F24F13/20F24F13/30
CPCF24F3/1423F24F13/20F24F13/30
Inventor 张艳梅杨晚生徐毅峰王璋元赵旭东
Owner GUANGDONG UNIV OF TECH