Novel energy storage air conditioning device and method based on air compression refrigeration cycle

Abstract

The invention provides a novel energy storage air conditioning device and method based on air compression refrigeration cycles. The novel energy storage air conditioning device comprises a dilute solution storage tank, a concentrated solution storage tank, a condensed water storage tank, an ice making device, an ice storage tank, a compressor, a compressor, an expansion machine, a condenser, a first generator, a second generator, an evaporator, an absorber, a heat exchanger, an absorption type refrigerating device, a concentrated solution generating device, a condensed water tray and a solution distributing tank. The invention further provides a novel energy storage air conditioning method based on the air compression refrigeration cycles, cold energy generated by compression heat work, expansion work and expansion refrigeration in the cold accumulation process is utilized, and the energy efficiency is high; ice particles in the ice melting and releasing process are directly contactedwith water, the heat transfer efficiency is high, the cold release is fast, low cold water temperature can be obtained, and the system cost can be reduced conveniently by adopting technologies of low-temperature air supply and the like.

Description

technical field [0001] The patent of the present invention relates to a new type of energy storage air conditioning device and method based on the air compression refrigeration cycle. The sensible heat of the compressed high-temperature air is used to heat the concentrated solution to achieve energy storage, and the cooling capacity is released through absorption refrigeration; at the same time, the compressed air is used to expand and cool down. Direct contact with water or solution to make ice is a new type of environmental protection and high-efficiency energy storage air conditioning technology. Background technique [0002] In building energy consumption, energy consumption for HVAC accounts for an important proportion, usually around 50%. Therefore, energy saving of HVAC systems is an important part of building energy conservation. To this end, researchers have carried out extensive research on energy-efficient air-conditioning systems and technologies. At the same tim...

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Problems solved by technology

[0003] At present, the ice storage technology used in engineering is based on the vapor compression refrigeration technology of refrigerants. The main problem lies in the environmental protection effect of refrigerants. Many refrigerants are greenhouse gases, and large-scale use will aggravate climate warming; other refrigerants are easy to Combustible or combustible, even poisonous, such as ammonia, etc., are not suitable for civil buildings; in addition, the current ice storage technology such as coil freezing also has low energy storage density, large space occupation of ice storage tank, low ice production efficiency, Problems such as melting ice and releasing cooling are complicated, and supercooled water has problems such as difficulty in achieving a large supercooling degree in the ice making process, a large amount of cold water circulation, and a more complicated system that need to be overcome

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