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Energy efficient refrigeration large industrial dehumidifier

A high-efficiency energy-saving, large-scale industrial technology, applied in the field of air purification, can solve the problems of low heat exchange efficiency, small heat exchange area, and limited air processing capacity, and achieve the effect of reducing energy consumption

Active Publication Date: 2012-11-28
HANGZHOU LINAN TIANCHENG MECHANICAL & ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Shell-and-tube heat exchangers are often used in the manufacture of small dehumidification devices due to high manufacturing costs and small heat transfer areas. The general air processing capacity is limited to 18,000m 3 Below / h
At the same time, due to the small heat transfer area, the heat transfer efficiency is very low when dealing with low-density air (pressure lower than 0.4MPa).

Method used

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  • Energy efficient refrigeration large industrial dehumidifier
  • Energy efficient refrigeration large industrial dehumidifier
  • Energy efficient refrigeration large industrial dehumidifier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] refer to figure 1 Shown: the high-efficiency energy-saving refrigerated large-scale industrial dehumidification device of the present invention, by shell 1, heat exchanger 2, cooling evaporator 3, gas-liquid separator 4 (containing water baffle 41, Water collection tank 42), condensation heat heater 5, blower fan 6, form air circulation channel. The air passes through the dust removal filter 11 and the heat exchanger 2 in turn. After the air passes through the heat exchanger for preliminary cooling, it enters the cooling evaporator 3 to further cool the air, so that the air is cooled to the dew point temperature required by the design, and then the water containing The cold air from the beads is sent into the high-efficiency gas-liquid separation chamber 4, and the moisture in the air is dropped into the sump 42 by the effect of the water baffle 41 to be drawn out of the body. The cold air after gas-liquid separation enters the heat exchanger 2, and after being heated...

Embodiment 2

[0023] refer to figure 2 , image 3 , the heat exchanger 2 in the integrated high-efficiency energy-saving dehumidification device of the present invention is a plate heat exchanger, and its working principle is as follows figure 2 As shown, hot and cold air passes through the two sides of the metal plate, and the heat exchange is caused by the temperature difference. In order to achieve the purpose of making a large-area exchanger, the heat exchanger among the present invention is as image 3 As shown, it is welded by multi-layer metal plates, and a rib structure is introduced between the plates to improve the structural strength of the heat exchanger.

Embodiment 3

[0025] refer to Figure 4 : The water retaining plate in the high-efficiency energy-saving refrigeration type large-scale industrial dehumidification device of the present invention is made of multi-layer wire mesh weaving, and its porous structure can not only form a diversion effect on the airflow, but also facilitate the formation of dewdrops, which can well achieve The purpose of gas-liquid separation.

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Abstract

Disclosed is an energy efficient refrigeration large industrial dehumidifier which can be used for air drying processing in chemical, pharmaceutical, shipbuilding, and sugar industries. The dehumidifier is composed of a heat exchanger, an evaporator, a gas-liquid separator, a condensation heat heater, a fan, etc. The dehumidifier helps to overcome the shortcomings of complex structure and high energy consumption of conventional dehumidification units, and realize the purposes of efficient and energy-saving air dehumidification through the use of a combination method of cold air pre-cooling and condensation heat heater.

Description

field of invention [0001] The invention relates to the manufacture of a dehumidification device in the field of air purification and the manufacture of a heat exchanger contained in the dehumidification device. Background technique [0002] There are many dehumidification devices that cool the air and remove water through the refrigeration system. In order to improve the refrigeration efficiency of the refrigeration system, many air drying and dehumidification equipment use a heat exchange device before the refrigeration system, and use the cold and dry air after cooling and dehydration to pass through the heat. The exchange pre-cools the air to be treated, which can improve the cooling efficiency and achieve the purpose of saving energy consumption. However, the heat exchange device used in traditional dehumidifiers is a shell-and-tube heat exchanger. Shell-and-tube heat exchangers are often used in the manufacture of small dehumidification devices due to high manufacturin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/26F28D9/00
CPCY02P20/10
Inventor 胡明宏杜根法叶伟峰彭丽青杨岳云
Owner HANGZHOU LINAN TIANCHENG MECHANICAL & ELECTRICAL