Multi-cold source ice storage air conditioning system with liquid level balance mechanism
An ice-storage air-conditioning and liquid-level balancing technology, which is applied in air-conditioning systems, refrigerators, household appliances, etc., can solve the problems of affecting the overall appearance of the ice tank, affecting the heat exchange efficiency of ice hockey, increasing the area occupied by the ice storage tank, etc., and achieving Improve the overall aesthetics, improve the efficiency of cold energy utilization, and improve the effect of cold storage efficiency
Active Publication Date: 2016-03-02
SHENZHEN GAS CORP +1
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Problems solved by technology
However, the use of siphons will have the following problems: For indoor ice storage tanks, since the height of the machine room is usually 4.5-5 meters, and the height of the siphon tubes must be at least 1-1.5 meters, it is necessary to reduce the height of the ice storage tanks to within 3 meters , the area occupied by the ice storage tank is greatly increased, and because the height of the ice storage tank is reduced, the heat exchange efficiency of the ice ball will be affected; for the outdoor ice storage tank, a siphon is installed on the top of the ice storage tank, which will affect the overall appearance of the ice storage tank
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[0020] Such as figure 1 with figure 2As shown, the present invention discloses a multi-cold source ice storage air conditioning system with a liquid level balance mechanism, including a cold recovery system 4, an ice storage device 10, an air conditioning load side system 3, a first ice storage pump 6, and a refrigeration unit 7 , the cold recovery system 4 includes a primary heat exchanger 401, a secondary heat exchanger 402, a heat exchange liquid output pipeline 403, a heat exchange liquid input pipeline 404, a refrigerant tank 405, a primary cold recovery pump 406, and a second ice storage pump 5. The primary heat exchanger 401 is provided with a liquefied natural gas input pipeline 407 and a natural gas output pipeline 408, one end of the heat exchange liquid output pipeline 403 communicates with the primary heat exchanger 401, and the other end of the heat exchange liquid output pipeline 403 One end communicates with the secondary heat exchanger 402, the refrigerant ta...
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The invention provides a multi-cold source ice storage air conditioning system with a liquid level balance mechanism, including a cold recovery system, an ice storage device, an air conditioner load side system, a first ice storage pump, a refrigeration unit, and a liquid level balance mechanism. The beneficial effect of the present invention is that the ice-storage air-conditioning system of the present invention realizes the recovery and storage of cold energy, and the utilization of cold energy, saves resources, improves the utilization efficiency of cold energy, and the cold energy of LNG and the refrigerating unit cooperate to provide cooling. It can meet the requirements of the user's air conditioning system, and can make full use of various resources, which plays a positive role in effectively reducing energy consumption; the liquid level balance mechanism solves the liquid level balance problem of the first ice storage tank and the second ice storage tank, Due to the cancellation of the siphon, the loss of cooling capacity generated by the siphon is reduced, and the efficiency of cold storage is improved. For the indoor computer room, the ice trough can make full use of the height space of the computer room, reduce the area occupied by the ice trough, and save the cost of the computer room; for the outdoor computer room, the overall aesthetics of the ice trough is improved.
Description
technical field [0001] The invention relates to a cold energy storage and utilization device, in particular to a multi-cold source ice storage air conditioning system with a liquid level balance mechanism. Background technique [0002] The ice-storage air-conditioning system is an air-conditioning system that uses low-valley electricity prices to store ice at night, and melts ice for cooling during daytime peak electricity prices, thereby reducing operating costs and balancing power grid loads. The traditional ice storage air-conditioning system has a relatively single cold source, usually using an electric refrigeration unit. The ice storage device is composed of one or more ice tanks. When the system is running, different ice tanks store or release cold at the same time. When the system introduces other cold sources, the single operation mode of the ice tank cannot meet the requirements of different cold sources working together. [0003] The LNG gasification process will...
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IPC IPC(8): F24F5/00F24F13/30F25B41/04F25B41/20
Inventor 陈秋雄陈运文杜琳琳杨国旗
Owner SHENZHEN GAS CORP