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Heat source tower based heat pump air-conditioning system and method taking fresh air into consideration

A technology of heat pump air conditioner and heat source tower, which is applied in the direction of air conditioning system, ventilation system, heating and ventilation control system, etc. It can solve the problems of cooling capacity consumption and unfavorable maintenance of fresh air quality, so as to save operating costs, reduce cooling capacity consumption, The effect of improving the quality of fresh air

Active Publication Date: 2016-09-21
SOUTHEAST UNIV
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Problems solved by technology

Since dehumidification requires air to be processed to the dew point temperature corresponding to the indoor temperature, the fresh air unit consumes a part of cooling capacity for dehumidification
In addition, dealing with latent heat and sensible heat loads at the same time will create a wet surface on the surface cooler, providing an environment for mold growth, which is not conducive to maintaining the quality of fresh air

Method used

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  • Heat source tower based heat pump air-conditioning system and method taking fresh air into consideration

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Embodiment Construction

[0013] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0014] Such as figure 1 As shown, the system of the present invention includes a vapor compression circuit, a switchable fresh air system, a solution circulation circuit, an antifreeze liquid circulation circuit and a cooling water circulation circuit.

[0015] The vapor compression cycle circuit includes a compressor 10, a four-way reversing valve 9, a solution heater 12, a condenser (evaporator) 11, a throttle valve 8 and an evaporator (condenser) 6, and the four-way reversing valve 9 The lower right interface end is connected with the solution heater 12, condenser (evaporator) 13, throttle valve 8, evaporator (condenser) 6, four-way reversing valve 9, and the left lower interface end in sequence; the outlet port of the compressor 10 It is connected with the lower interface end of the four-way reversing valve 9, the upper interface end of the four-w...

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Abstract

The invention discloses a heat source tower based heat pump air-conditioning system and method taking fresh air into consideration. The system comprises a steam compression cycle, a switchable fresh air system, a solution circulation loop, an anti-freezing solution circulation loop and a cooling water circulation loop. The system has a winter operating mode and a summer operating mode, specifically, in winter, the system operates as a typical heat pump system of a heat source tower, and anti-freezing solutions in three filler towers enter an indoor unit to release heat after absorbing heat from air to be heated; and in summer, a steam compression type refrigerating system based on the corresponding filler tower and a solution dehumidification fresh air system based on the corresponding filler towers are adopted, the second and third filler towers are used for the solution dehumidification fresh air system, and the first filler tower operates as a conventional cooling tower and provides cooling water for a condenser. By means of the system and method, a cooling tower, in idle in summer, of the heat pump system of the heat source tower is utilized reasonably, the requirement for summer fresh air treatment cooling capacity is reduced, and an energy tower based heat pump air conditioner capable of obtaining fresh air is obtained.

Description

technical field [0001] The present invention relates to a heat pump air-conditioning system based on an energy tower and taking fresh air into account. It is a method and device for pre-dehumidifying fresh air by using a packing tower idle in summer in a heat source tower heat pump system, and belongs to heat source tower heat pumps, solution dehumidification, and fresh air units. technology field. Background technique [0002] With the continuous improvement of living standards, people's requirements for the comfort of life and work are getting higher and higher, the demand for building cooling and heating is increasing, and the proportion of building energy consumption in the total energy consumption of society is constantly increasing. Therefore, to achieve The energy saving of building air conditioning system has become an important way to alleviate the energy shortage. [0003] The heat source tower heat pump system is proposed to solve the problem of frosting in winte...

Claims

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Application Information

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IPC IPC(8): F24F3/14F24F7/007F24F11/00
CPCF24F3/1417F24F7/007F24F11/30F24F11/62F24F11/65F24F2203/025
Inventor 李舒宏董科枫张小松
Owner SOUTHEAST UNIV
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