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Power generation device and method for elevating grade of geothermal energy by using absorption heat pump

An absorption heat pump and power generation device technology, applied in geothermal energy power generation, geothermal energy systems, machines/engines, etc., can solve the problems of low steam parameters and low power cycle efficiency, and achieve high power cycle efficiency, efficient utilization, and reduced The effect of condensation

Pending Publication Date: 2018-07-20
HUANENG CLEAN ENERGY RES INST
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  • Abstract
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Problems solved by technology

[0004] In view of this, the main purpose of the present invention is to provide a power generation device and method that uses an absorption heat pump to improve the grade of geothermal energy, which solves the problem of low power cycle efficiency caused by low steam parameters in geothermal power generation systems, and realizes efficient utilization of geothermal energy

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  • Power generation device and method for elevating grade of geothermal energy by using absorption heat pump

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0014] Such as figure 1 As shown, the present invention uses an absorption heat pump to improve the power generation device of geothermal energy grade, including a geothermal well 1, a generator 4 connected to the geothermal water outlet of the geothermal well 1, and a geothermal water outlet of the generator 4 connected to a water pump 3 The inlet of the water pump 3 is connected to the inlet of the recharge well 2; the refrigerant outlet of the generator 4 is connected to the refrigerant inlet of the condenser 5, and the refrigerant outlet of the condenser 5 is connected to the refrigerant of the evaporator 6 through the throttle valve 8 The refrigerant outlet of the evaporator 6 is connected to the refrigerant inlet of...

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Abstract

The invention discloses a power generation device and method for elevating a grade of geothermal energy by using an absorption heat pump. The power generation device comprises a geothermal unit, an absorption heat pump unit and a power generating unit; the geothermal unit is composed of a geothermal well and an inverted well, the absorption heat pump unit is composed of a generator, a condenser, an absorber, an evaporator, a throttle valve and a circulating pump, and the power generating unit is composed of a turbine, an electric generator, a condensate pump and a feedwater heater. The invention further discloses a power generation method of the power generation device. The problem of low power cycle efficiency caused by low steam parameters of a geothermal power generation system is solved, and the efficient utilization of the geothermal energy is realized.

Description

technical field [0001] The invention relates to the technical field of geothermal power generation, in particular to a power generation device and method for improving the grade of geothermal energy by using an absorption heat pump. Background technique [0002] Geothermal energy is a green, low-carbon, recyclable and renewable energy. It has the characteristics of large reserves, wide distribution, cleanness, environmental protection, stability and reliability. It is a feasible and competitive clean energy. my country is rich in geothermal resources, with huge market potential and broad development prospects. Accelerating the development and utilization of geothermal energy is not only of great significance for adjusting the energy structure, saving energy and reducing emissions, and improving the environment, but also has a significant pulling effect on cultivating emerging industries, promoting new urbanization, and increasing employment. It is an important measure to pro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G4/00
CPCF03G7/04Y02E10/10
Inventor 彭烁周贤李启明钟迪黄中王保民王剑钊
Owner HUANENG CLEAN ENERGY RES INST
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