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Coupling device for sea water reverse osmosis system and refrigeration system and operating method of device

A refrigeration system and coupling device technology, which is applied in refrigerators, refrigeration components, seawater treatment, etc., can solve the problems of large discharge volume and low average thermal efficiency, and achieve the effect of improving thermal efficiency and improving work efficiency

Inactive Publication Date: 2011-05-11
NANJING NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, prime movers (internal combustion engines, gas turbines, etc.) have low average thermal efficiency and large emissions in low-load regions, especially when idling.

Method used

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  • Coupling device for sea water reverse osmosis system and refrigeration system and operating method of device
  • Coupling device for sea water reverse osmosis system and refrigeration system and operating method of device

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 As shown, the coupling device of seawater reverse osmosis and refrigeration system is mainly composed of seawater reverse osmosis system, refrigeration system and power system.

[0015] Power system: one end of the cylinder liner of the prime mover 1 is connected to one end of the filter 2, the other end of the filter 2 is connected to one end of the circulation pump 3, the other end of the circulation pump 3 is connected to one end of the plate heat exchanger 4, and the other end of the plate heat exchanger 4 It is connected with the other end of the cylinder liner of the prime mover 1 to form a loop; the output shaft of the prime mover 1 is coupled with the power transmission device 5 in the virtual frame.

[0016] Refrigeration system: the exhaust pipe of the open compressor 14 is connected to one end of th...

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Abstract

The invention discloses a coupling device for a sea water reverse osmosis system and a refrigeration system and an operating method of the device, belonging to the technical fields of sea water desalinization and air-conditioning refrigeration. The coupling device is composed of a sea water reverse osmosis system, a refrigeration system and a power system, wherein an energy recovery device of the sea water reverse osmosis system is coupled with the power system through a clutch; an open-type compressor of the refrigeration system is coupled with the power system through a clutch; and the refrigeration system is coupled with the sea water reverse osmosis system through the power system. The device disclosed by the invention can heat sea water entering a preheating processor by utilizing excess heat recovered by a prime motor cylinder liner, so that the temperature of the sea water entering the preheating processor is kept within the range of 25-30 DEG C, thereby enhancing the work efficiency of the reverse osmosis membrane; and since the sea water reverse osmosis system is coupled with the refrigeration system driven by the prime motor, the prime motor can still operate under rated conditions, thereby preventing the prime motor from operating in a low-load region or even in an idle region, and enhancing the thermal efficiency of the prime motor.

Description

technical field [0001] The invention relates to a coupling device of a seawater reverse osmosis and refrigeration system and an operation method thereof, belonging to the technical field of seawater desalination and air conditioning and refrigeration. Background technique [0002] Water is of great significance to the survival and development of human beings, but the fresh water resources that can be used by human beings only account for 0.77% of the total global water reserves. As the situation of shortage of fresh water resources becomes more and more severe, people place their hopes on the development of new fresh water resources. Ocean water accounts for 96.5% of the world's total water reserves, and nearly 70% of humans live less than 120 kilometers from the sea. Therefore, seawater desalination has become an inevitable trend in the development of new water sources. [0003] The seawater reverse osmosis desalination method belongs to a kind of membrane separation techn...

Claims

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Application Information

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IPC IPC(8): C02F1/44F25B1/00F25B31/02C02F103/08
CPCY02A20/131
Inventor 李应林吴薇卫梁彦赵孝保
Owner NANJING NORMAL UNIVERSITY
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