Heat Recovery Evaporative Condensing Chiller
A technology of evaporative condensation and water chiller, which is applied in the direction of evaporator/condenser, refrigerator, heating method, etc. It can solve the problems of low heat recovery rate and low temperature of hot water recovery, and achieve enhanced heat exchange effect and improved exhaust temperature, the effect of lowering the temperature
Active Publication Date: 2018-08-10
ZHEJIANG KING CO LTD
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Problems solved by technology
[0005] The technical problem to be solved and the technical task proposed by the present invention are to overcome the technical defects of low heat recovery rate and low hot water recovery temperature of the existing evaporative condensing chiller under heat recovery conditions, and provide a heat recovery evaporative condensing chiller Chillers to increase heat recovery and increase the temperature of recovered hot water without affecting the performance coefficient of the unit
Method used
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Embodiment Construction
[0018] The present invention will be further described below in conjunction with the accompanying drawings of the description.
[0019] Such as figure 1 The shown heat recovery evaporative condensing chiller includes a compressor 1, a heat recovery device 18, an evaporative condenser 11, an expansion valve 3, and a flooded evaporator 2, and the heat recovery device 18 has refrigerants that exchange heat with each other Channel A and hot water channel. Refrigerant channel A is usually a heat exchange coil. The two ends of the hot water channel are used for hot water inlet and hot water outlet respectively. Heat exchange is performed when hot water and refrigerant flow through the heat recovery device at the same time. , the evaporative condenser 11 has a sump 7, a coil heat exchanger 14, a spray system 10, and an axial flow fan 12 arranged in order from low to high, and a spray water pipe is connected between the sump 7 and the spray system 10. The spray water pipe is connecte...
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The invention discloses a heat recovery type evaporative condensation chiller, which belongs to the technical field of air conditioning units. The existing evaporative condensation chiller has a low heat recovery rate and a low hot water recovery temperature under heat recovery conditions. A cooling water channel is added to the liquid evaporator to exchange heat with the refrigerant channel B of the flooded evaporator. The cooling water channel is connected to the sump through a water pipe to take water from the sump and exchange heat with the refrigerant channel B of the flooded evaporator. It is equivalent to adding a superheating device in the flooded evaporator. The low-pressure and low-temperature saturated gaseous refrigerant in the flooded evaporator fully exchanges heat with the cooling water at about 25°C drawn from the sump to become With supersaturated steam, the suction temperature and superheat of the compressor are increased, and the discharge temperature of the compressor is increased, which solves the heat recovery rate and hot water recovery temperature of the evaporative and condensing chiller under the heat recovery condition. low puzzle.
Description
technical field [0001] The invention belongs to the technical field of air conditioning units, in particular to a heat recovery type evaporative condensation chiller. Background technique [0002] As we all know, chillers discharge a large amount of condensation heat through the cooling water system during operation, which increases the ambient temperature of the building and causes serious environmental thermal pollution. Moreover, due to the increase of the ambient temperature, the working environment of the chiller is also deteriorated, resulting in a decrease in the COP of the unit and an increase in energy consumption of the air conditioner. [0003] The heat recovery chiller is to use the heat released during the condensation and exothermic process of the refrigerant in the refrigeration cycle to prepare hot water. Generally speaking, users such as hotels, hotels, hospitals, public bathrooms, and some food processing factories, while providing cooling, also use variou...
Claims
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IPC IPC(8): F24F5/00F25B1/00F25B41/06F25B43/00F25B39/04F25B41/30
CPCF24F5/0035F25B1/00F25B39/04F25B43/006F24F2005/0039F25B41/31
Inventor 王红燕章立标陈根伟王九珍
Owner ZHEJIANG KING CO LTD