Heat source tower heat pump solution regeneration system based on freezing method
A heat source tower heat pump and solution regeneration technology, which is applied in heat pumps, refrigeration and liquefaction, refrigerators, etc., can solve problems such as jeopardizing the safe operation of the heat source tower heat pump system, increasing freezing point temperature, and solution freezing accidents. The effect of reducing installed capacity and ensuring safe operation
Active Publication Date: 2019-02-19
NANJING INST OF TECH
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Problems solved by technology
While the solution is sprayed in the heat source tower, it exchanges heat and mass with the air, and the water vapor in the air will enter the solution, which will reduce the concentration of the solution, and then the freezing point temperature of the solution will rise, which will easily cause solution freezing accidents and endanger Safe operation of heat source tower heat pump system
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[0019] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0020] A heat source tower heat pump solution regeneration system based on refrigeration, such as figure 1 As shown, the heat source tower solution is connected to the dilute solution tank 1 through the solenoid valve 1, and then enters the regeneration system through the pump 1. The specific principle is as follows:
[0021] Ice making system: mainly includes compressor, condenser, throttle valve, ice slurry ice maker. The circulating working medium is refrigerant. The low-temperature and low-pressure refrigerant gas is compressed into high-temperature and high-pressure refrigerant gas by the compressor; then it becomes a high-temperature and high-pressure refrigerant liquid after being conde...
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The invention discloses a heat source tower heat pump solution regeneration system based on a freezing method. An ice making system, a salt separate-out system and a heat supplying system are included. The ice making system comprises a compressor, a condenser, a throttling valve and an ice slurry ice maker, and is used for preparing salt-containing ice slurry; the salt separate-out system comprises a gravity salt separate-out device, a centrifugal salt separate-out machine, an ice collecting tank 1, an electromagnetic valve and the like. The heat supplying system comprises a condenser, an icecollecting tank 1, a pump 2, an expanding water tank, an electromagnetic valve and the like. The gravity salt separate-out device and the centrifugal salt separate-out machine of the salt separate-outsystem can independently run, can also be connected in parallel or in series to run, is used for an occasion large in solution regeneration amount when connected in parallel, and is used for an occasion high in solution concentration when connected in series. The system can efficiently solve the heat source tower heat pump unit solution regeneration problem, guarantees safe running of the heat source tower heat pump system, and can also serve as an auxiliary heat source of the heat source tower heat pump system, the energy efficiency of the system is improved, the heat source tower heat pumpsolution regeneration system can also be used as an ice slurry preparing system in spring, summer and autumn, and the whole-year comprehensive energy efficiency of the system is improved.
Description
technical field [0001] The invention relates to a heat source tower heat pump solution regeneration system based on a freezing method, and belongs to the technical field of heat source tower solution regeneration. Background technique [0002] With the development of the economy and the continuous improvement of living standards, people have higher and higher requirements for the comfort of living and working environments, and the demand for heating in buildings is increasing. The middle and lower reaches of the Yangtze River are hot in summer and cold in winter, and the economy in this area is relatively developed, so the demand for building heating is particularly urgent. [0003] As a new type of heat pump system, the heat source tower heat pump system uses air as the cold and heat source, which is suitable for regions with hot summer and cold winter, especially in the middle and lower reaches of the Yangtze River. Compared with the air source heat pump, the heat source ...
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IPC IPC(8): F25B30/04F25B41/04F25B41/20
CPCF25B30/04F25B41/20
Inventor 曹先齐张盼文先太李小飞
Owner NANJING INST OF TECH