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Solution dehumidification evaporation and cooling air conditioner device capable of utilizing indoor exhaust air cool and heat

An evaporative cooling air conditioner and solution dehumidification technology, applied in air conditioning systems, household heating, refrigeration and liquefaction, etc., can solve the problems of low performance, low cooling water consumption, and inability to recycle heat, etc., to improve performance, reduce Power consumption, compact effect

Inactive Publication Date: 2009-08-05
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The title of the invention applied by Xi'an University of Architecture and Technology is "Solution Dehumidification Evaporative Cooling Air Conditioning Refrigeration Device", the application date is January 9, 2007, and the application number is 200710017209.9. It operates throughout the year to cool, dehumidify, heat and humidify the air. It has a compact structure and is easy to miniaturize. During summer operation, the refrigerant can be used to cool the air, solution and the refrigerant itself. The cooling water consumption is small and can be recycled Use the cooling capacity of the indoor exhaust air, but the heat of the indoor exhaust air cannot be recycled during winter operation, so the performance of the device is not high during winter operation

Method used

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  • Solution dehumidification evaporation and cooling air conditioner device capable of utilizing indoor exhaust air cool and heat
  • Solution dehumidification evaporation and cooling air conditioner device capable of utilizing indoor exhaust air cool and heat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 As shown, according to the different working processes in winter and summer, its working process can be divided into summer circulation system and winter circulation system.

[0023] 1. Summer circulatory system

[0024] The summer circulation system consists of five subsystems, which are air handling subsystem, solution dehumidification and regeneration subsystem, refrigeration subsystem, solution cooling subsystem and refrigerant cooling subsystem.

[0025] (1) Air handling subsystem

[0026] It is made up of dehumidifier 17, evaporator 3. The dehumidifier 17 and the evaporator 3 are connected through the air duct 53 to form an air passage in which the air is dehumidified and cooled.

[0027] During work, the processed air first enters the dehumidifier 17 to be dehumidified. After reaching the required humidity, it enters the evaporator 3 to be cooled. After reaching the required temperature, it is sent into the air-conditioned room.

[0028] (2) ...

Embodiment 2

[0084] Example 2 as figure 2 Shown. The only difference between it and Embodiment 1 is: there are two evaporative heat exchangers 27, and a group of heat exchangers are arranged in each evaporative heat exchanger, and the cooling heat exchanger 43 and the condensation heat exchanger 44 are respectively located in it.

[0085] The composition of other equipment is exactly the same. The work flow of the circulation system in winter and summer, and the connection mode of the equipment are also exactly the same as those in Embodiment 1.

[0086] In Embodiment 1 and Embodiment 2, the second throttling mechanism 4 between the cooling heat exchanger 43 of the evaporative heat exchanger 27 and the working medium pump 26 also has the following two arrangements:

[0087] ①The second throttling mechanism 4 can be arranged on the fourteenth pipeline 42 where the direct contact heat exchanger 24 is connected to the condensing heat exchanger 44 of the evaporative heat exchanger 27. At thi...

Embodiment 3

[0091] The difference between it and Embodiment 1 and Embodiment 2 is that only the first throttling mechanism 4 is set in the system, and it is usually set at the second channel 82 and the third channel 83 of the evaporator 3 connected with the second four-way valve 80 . The nineteenth pipeline 62 may also be arranged on the eighth pipeline 31; the first flow direction control valve 36 may not be provided between the fifth pipeline 28, the sixth pipeline 29, and the seventh pipeline 30. During the cycle in winter, a bypass fifteenth pipeline 45 and a second flow direction control valve 36 may also be provided between the suction end and the discharge end of the working fluid pump 26 to reduce the flow resistance of the refrigerant in the pipeline.

[0092] The composition and connection methods of other equipment are the same as those of Embodiment 1 and Embodiment 2. During the circulation process of winter and summer, the first throttling mechanism 4 works normally to thrott...

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Abstract

The invention discloses a solution dehumidification evaporative cooling air conditioner capable of utilizing the cold heat of indoor exhaust air. The invention includes a solution dehumidification evaporative cooling air conditioner and refrigeration device, and the invention also includes four-way valves (70, 80), the four-way valve (70) is provided with four passages (71, 72, 73, 74), and the four-way valve (80) is provided with four passages (81, 82, 83, 84). The invention utilizes the four-way valve to realize the conversion of the operating conditions in winter and summer. During operation in summer, the cooling capacity of indoor exhaust air can be recovered and utilized, and during operation in winter, the heat of indoor exhaust air can be recovered and utilized, thereby improving the efficiency of the entire device. performance, while making it compact and easier to miniaturize.

Description

technical field [0001] The invention relates to a solution dehumidification evaporative cooling air conditioner capable of utilizing the cold heat of indoor exhaust air, and belongs to the technical field of refrigeration. Background technique [0002] At present, conventional solution dehumidification air-conditioning devices can be divided into summer circulation system and winter circulation system according to the different work processes in winter and summer. The title of the invention applied by Xi'an University of Architecture and Technology is "Solution Dehumidification Evaporative Cooling Air Conditioning Refrigeration Device", the application date is January 9, 2007, and the application number is 200710017209.9. It operates throughout the year to cool, dehumidify, heat and humidify the air. It has a compact structure and is easy to miniaturize. During summer operation, the refrigerant can be used to cool the air, solution and the refrigerant itself. The cooling wat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B13/00F24F3/14
Inventor 刘雄
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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