Injection organic Rankine flash evaporation combined cooling and power supply system

A combined cooling and power supply, Rankine technology, applied in the direction of compressors, refrigerators, refrigeration components, etc., can solve the problem of low energy grade, achieve the effect of improving utilization efficiency, reducing power consumption, and avoiding cavitation

Active Publication Date: 2020-06-19
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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Problems solved by technology

But there is a common problem of low energy grade

Method used

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  • Injection organic Rankine flash evaporation combined cooling and power supply system

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Embodiment Construction

[0021] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Such as figure 1 As shown, a spray organic Rankine flash cogeneration system of this embodiment includes a gas-liquid separator 1, a high-pressure expander 2, a low-pressure expander 3, a generator 4, a pressure reducing valve 5, and a flash tank 6. Steam extraction regulating valve 7, refrigeration ejector 8, jet regenerator 9, condenser 10, low pressure working medium pump 11, regenerator 12, high pressure working medium pump 13, preheater 14, generator 15, evaporation Device 16, throttle valve 17 and supporting connecting pipes.

[0023] The gas outlet of the gas-liquid separator 1 is connected to the steam inlet of the high-pressure expander 2, the liquid outlet of the gas-liquid separator 1 is connected to the inlet o...

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Abstract

The invention discloses an injection organic Rankine flash evaporation combined cooling and power supply system. The system comprises a gas-liquid separator, a high-pressure expansion machine, a low-pressure expansion machine, a power generator, a pressure reducing valve, a flash evaporation tank, an extraction regulating valve, a refrigeration ejector, an injection regenerator, a condenser, a low-pressure working medium pump, a high-pressure working medium pump, a generator, an evaporator and a throttle valve; low-grade heat energy is connected with the generator, and a circulating working medium in the generator is heated; the high-pressure expansion machine, the low-pressure expansion machine and the power generator are coaxially connected to drive the power generator to generate electricity; and the circulating working medium evaporates and absorbs heat in the evaporator to obtain cold energy. An organic Rankine flash evaporation system, an injection regenerative system and an injection refrigeration system are coupled, so that the power consumption of the working medium pumps is reduced, the energy utilization efficiency is improved, and the system has the advantages of beingsimple in structure, remarkable in energy saving effect, convenient to control and the like.

Description

technical field [0001] The invention relates to low-grade heat energy utilization technology, in particular to a spray organic Rankine flash cooling and power cogeneration system. Background technique [0002] There are many kinds of medium and low temperature heat sources in my country, the total amount is huge, and they are widely distributed. They mainly include two categories. One is medium and low temperature renewable energy that exists in nature, mainly including solar energy, biomass energy, geothermal energy, etc., and the other is industrial production process. Discharged waste heat, waste heat, etc. But generally there is the problem of low energy grade. The development of high-efficiency recycling technology for low-grade heat energy can greatly improve my country's energy utilization efficiency, reduce fossil energy consumption, and achieve sustainable social and economic development in my country. [0003] In the process of energy utilization technology develo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B9/08F25B40/06F25B43/00F01K13/00F01K25/10
CPCF01K13/00F01K25/10F25B9/08F25B40/06F25B43/00
Inventor 王令宝卜宪标李华山龚宇烈
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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