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Solar absorption refrigeration system

A solar energy absorption and refrigeration system technology, which is applied in refrigerators, refrigeration and liquefaction, lighting and heating equipment, etc., can solve the problems of poor stability and low heat collection temperature, and achieve the effect of compensating for temperature drop and stable work

Inactive Publication Date: 2012-10-17
苏州张扬能源科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a solar energy absorption refrigeration system to solve the problem that when solar energy is used as an energy source, its heat collection temperature is not high and its stability is poor and it is difficult to be used in the absorption refrigeration cycle.

Method used

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  • Solar absorption refrigeration system

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the examples, but not as a limitation of the present invention.

[0012] Such as figure 1 As shown, the saturated NH flowing out from the condenser 7 3 After the throttle valve 15 lowers the temperature and pressure, it enters the evaporator 8, and absorbs the heat of the refrigerant medium in the evaporator 8 to vaporize at a constant pressure. When the heating temperature of the solar heating system 1 is not enough, saturated NH 3 Part of the steam enters the absorber 9 through the valve 13, and the high concentration LiNO from the generator 6 in the absorber 9 3 The solution absorbs saturated NH 3 , forming NH 3 -LiNO 3 solution, the heat released during the absorption process is taken away by the cooling water, and the solution pump 11 pumps the NH 3 -LiNO 3 The solution is sent to generator 6 for heating. NH in solution after temperature rise 3 overflow to form NH at higher pressure ...

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Abstract

The invention discloses a solar absorption refrigeration system, which comprises an evaporator, an absorber, a generator, a condenser, a solar heating system with a solar heat collector and a heat collection water tank, an auxiliary heater for heating water flowing out of the solar heat collector and a branch which is provided with a compressor and is arranged between the evaporator and the generator, wherein after absorbing heat released in the absorption process by the absorber, cooling water absorbs refrigerant steam by the condenser to release the heat; and the solar heating system is used for heating a refrigerant solution in the generator. By the solar absorption refrigeration system, the problems of instability of the water outlet temperature of the solar heat collector and insufficient cooling caused by temperature reduction of the solar heating system are solved, influence on the cycle efficiency of a refrigeration cycle is reduced to the maximum extent, and the solar absorption refrigeration system operates stably.

Description

technical field [0001] The invention relates to a refrigeration system, in particular to an absorption refrigeration system driven by solar energy. Background technique [0002] The absorption refrigeration system is widely used because of its simple structure, low manufacturing cost, and wide temperature adjustment range. In the prior art, such as the absorption refrigerator disclosed in CN101236031A, it includes an absorber for absorbing coolant gas, a solution for cooling the absorber by using absorbable solution to recover heat, and a high-temperature regenerative heat exchanger for heating absorbable solution to separate coolant gas, A low-temperature regenerative heat exchanger utilizing coolant gas for heat exchange with an absorbable solution, and a coolant discharge heat exchanger. Another example is the absorption refrigerator disclosed in CN101988773A, which includes a regenerator, a condenser, an evaporator, and an absorber. The energy source of this type of ab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B27/00
Inventor 张卫东
Owner 苏州张扬能源科技有限公司
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