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A low discharge temperature geothermal energy coupled power generation cycle system and its working method

A circulation system and geothermal energy technology, applied in geothermal energy systems, geothermal power generation, machines/engines, etc., can solve the problems of large irreversible losses and high construction costs, so as to improve utilization rate, improve thermal efficiency, and ensure operating efficiency and stability sexual effect

Active Publication Date: 2017-06-06
SINOMA ENERGY CONSERVATION
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the construction cost of the ORC power generation cycle is slightly higher, and the characteristics of the constant temperature evaporation of the working fluid of the ORC power generation cycle make the irreversible loss still relatively large under specific working fluid conditions

Method used

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  • A low discharge temperature geothermal energy coupled power generation cycle system and its working method

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Embodiment

[0031] Embodiment: A low-emission temperature geothermal energy coupled power generation cycle system (see Figure 1), which is characterized in that it includes an ammonia hydropower generation cycle unit and a low boiling point working fluid power cycle unit that are coupled to each other; wherein, the ammonia hydropower The circulation unit is composed of a generator 1, a separator 2, a steam turbine I3, a high temperature regenerator 4, a pressure reducing valve 5, an absorber 6, a condenser I7, and a working fluid pump I8; the low boiling point working fluid power circulation unit is a steam turbine II9, condenser II10, working fluid pump II11, preheater 12; wherein, the generator 1 is connected in series with the separator 2; the upper part of the separator 2 is connected to the steam turbine I3, and the lower part is connected to high temperature heat recovery The device 4 and the pressure reducing valve 5 are connected in series in sequence; the pressure reducing valve 5 ...

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Abstract

A low-emission-temperature geothermal energy coupling power generation circulation system is characterized by comprising an ammonia water power generation circulation unit and a low-boiling-point working medium power circulation unit which are coupled with each other. A working method of the low-emission-temperature geothermal energy coupling power generation circulation system comprises geothermal water inflow, recharge, work applying, heat emission, mixed absorption, condensation, circulation and heat recovery. According to the low-emission-temperature geothermal energy coupling power generation circulation system and the working method thereof, the system operating efficiency and stability is high; the utilization rate of the medium and low temperature geothermal water is effectively improved and the heat pollution is reduced; the cost is reasonable and the heat efficiency is improved; the application value is high.

Description

[0001] (1) Technical field: [0002] The invention relates to a thermal energy conversion and utilization technology, in particular to a geothermal energy coupled power generation cycle system with low emission temperature that fully utilizes geothermal energy for power generation and a working method thereof. [0003] (2) Background technology: [0004] At present, the medium and low temperature power generation technology is a research hotspot in the field of energy development and the direction of industrialization. Due to the low energy grade of the medium and low temperature geothermal energy, its utilization method is relatively simple and the utilization efficiency cannot be improved. At present, the medium and low temperature geothermal power generation cycle system has attracted more and more attention, and making full use of low-grade thermal energy is the main optimization goal of the geothermal power generation cycle system. At present, the stability of Kalina and ORC pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03G4/00F01K25/10F01K23/02
CPCY02E10/10
Inventor 付文成王艳
Owner SINOMA ENERGY CONSERVATION
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