Exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchangers

A technology for a fresh air unit and a heat exchanger, which is applied in the field of air conditioning units, can solve problems such as unregulated air humidity, and achieve the effects of increasing moisture content, saving production costs, and increasing heating capacity.

Inactive Publication Date: 2010-12-01
NANTONG HUAXIN CENT AIR CONDITIONER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing fresh air air conditioning units

Method used

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  • Exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchangers
  • Exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchangers

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[0010] The present invention will be further described below in conjunction with specific embodiments:

[0011] The exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchanger as shown in the figure includes air chamber A 1, air chamber B 2, air chamber C 3, air chamber D 4, compressor 5, and four-way valve 6. The air chamber A 1 is provided with exhaust air inlet A7, air valve A 8, fresh air inlet B 9, air valve B 10, heat exchanger B 11, air valve E 12, air outlet A 13, air valve F 14, Air outlet B 15; The air chamber B 2 is provided with exhaust air inlet C 16, air valve C 17, fresh air inlet D 18, air valve D 19, heat exchanger A 20, air valve G 21, air outlet C 22, air Valve H 23, air outlet D 24; the air chamber C 3 is provided with an exhaust fan 25 and an air outlet 26; the air chamber D 4 is provided with a blower 27 and an air outlet 28; heat exchanger A 20 and heat exchanger B 11 is connected, and a throttle valve 29 is provided between h...

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Abstract

The invention discloses an exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchangers, the unit is provided with two heat exchangers (an evaporator and a condenser) with moisture absorption materials in a refrigeration system, one heat exchanger is to realize the purposes of evaporation cooling and dehumidification, the other one is to realize the functions of condensation heating and regeneration, and the two heat exchanges can be switched over between the evaporation and the condensation for realizing the continuous operation. Compared with the prior art, the exhaust air heat recovery fresh air unit increases the function of regulating the air humidity, the latent heat exhaust air and fresh air condensed water with low temperature and low moisture can be utilized for cooling a refrigerant on the high pressure side of the refrigeration system in summer, thereby decreasing the condensing pressure and providing the energy efficiency ratio of the unit; the exhaust air with high temperature and high moisture can be utilized for heating the refrigerant on the low pressure side of the refrigeration system in winter, thereby improving the evaporation pressure, and further improving the heating capacity; the condensed water in the exhaust air can humidify the fresh air and improve the moisture content in the supplied air; furthermore, the device has simple structure and can save the production cost.

Description

technical field [0001] The invention relates to an air conditioning unit, in particular to an exhaust heat recovery fresh air unit equipped with a moisture absorption heat exchanger. Background technique [0002] Existing fresh air air-conditioning units do not have the function of regulating air humidity. Due to the different air humidity in different seasons, the air humidity is higher in summer and lower in winter, and the human body's adaptability to air humidity is also different. This function is added to the air conditioning unit to adjust the indoor air temperature in different seasons. Air humidity, create a comfortable, warm humidity environment. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to solve the deficiencies of the prior art and provide an exhaust heat recovery fresh air unit equipped with a moisture absorption heat exchanger. [0004] Technical solution: The purpose of the exhaust air heat recovery fresh ...

Claims

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Application Information

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IPC IPC(8): F24F3/14F24F12/00
CPCY02P80/15
Inventor 俞越涂庭朝
Owner NANTONG HUAXIN CENT AIR CONDITIONER
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