Refrigerant hydrate circulating cool storage system

Abstract

The invention discloses a refrigerant hydrate circulating cool storage system. The refrigerant hydrate circulating cool storage system comprises a hydrate reaction barrel, an absorber, a solution pump, a generator, a condenser and mixed liquid which is formed by a DMF solvent and an R134a refrigerant and is operated in the whole system. The DMF solvent and the R134a refrigerant form a mixed solution in the absorber, and the mixed solution is pumped into the generator through the solution pump. R134a steam is generated in the generator, enters an evaporator coil located in the hydrate reaction barrel after being cooled and liquefied through the condenser so as to provide cooling capacity for hydrate reactions and then returns to the absorber, the residual solution in the generator also returns to the absorber to be mixed again. According to the refrigerant hydrate circulating cool storage system, hydrates melts to absorb heat at the high temperature by day so as to achieve the purpose of cooling a room, and waste heat or low-price electric energy is used for achieving the purpose of refrigerant gas hydrate cool storage by night through the cool storage circulating system.

Description

technical field [0001] The invention relates to the field of industrial refrigeration, in particular to a refrigerant hydrate circulation cold storage system. Background technique [0002] Due to the improvement of people's living standards, air conditioners are becoming more and more popular. However, due to the high energy consumption of air conditioners, the concentrated use of air conditioners has caused the gap between peak and valley electricity consumption in cities to increase day by day. In order to cut peaks and fill valleys of the power grid, energy storage air conditioners are now being advocated. A better option is to use ice storage systems, which can save a lot of operating costs for users. However, the ice storage system also has its own disadvantages. For example, the initial investment is large, and the refrigeration unit has a very low evaporation temperature during ice production, and its COP is reduced. Therefore, from the perspective of energy saving, ...

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Problems solved by technology

[0003] In order to solve the problems of increasing peak-to-valley gaps in urban electricity consumption and serious energy consumption caused by centralized use of air conditioners, the present invention provides a refrigerant hydrate circulating cold storage system, which can melt hydrates during the day when the temperature is relatively high. Absorb heat to achieve the purpose of cooling the room, and at night, use waste heat or low-cost electric energy to pass through the cold storage cycle system to achieve the purpose of refrigerant gas hydrate cold storage

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