Residual pressure energy storage type medium and low temperature geothermal energy magnetic levitation power generation device
A technology of power generation device and geothermal energy, applied in geothermal energy power generation, circuit device, geothermal energy system, etc., can solve the problem of low utilization rate of thermal energy, and achieve the effect of promoting heat exchange, high thermal cycle efficiency and improving reliability
Pending Publication Date: 2019-06-25
SHANGHAI JIAO TONG UNIV +1
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However, the traditional ORC method has a low heat utilization rate
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[0026] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0027] According to the present invention, a residual pressure energy storage type medium and low temperature geothermal maglev power generation device includes a maglev generator 1, an evaporator 2, a regenerator 6, a preheater 7, a condenser 8, a working fluid pump 9, and a working fluid pump. Quality tank 10 and cooling pump 11;
[0028] Among them, the primary side of the evaporator 2, the maglev generator 1, the primary side of the regenerator 6, the primary side of the condenser 8, th...
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The invention provides a residual pressure energy storage type medium and low temperature geothermal energy magnetic levitation power generation device. The device is composed of a magnetic levitationgenerator, a pressure-limiting safety valve, a turbine generator, a rectification energy storage unit, an evaporator, a heat regenerator, a preheater, a condenser, a working medium tank, a working medium pump and a cooling pump; in the normal pressure state, the working medium with low boiling point flows through the evaporator, the magnetic levitation generator, the heat regenerator, the condenser, the working medium tank, the working medium pump, the preheater and the heat regenerator for circulating power generation in sequence; when the air pressure of the inlet of the magnetic levitationgenerator is larger, the pressure-limiting safety valve is opened, the discharging steam passing by the pressure-limiting safety valve is used for driving the turbine generator to generate electricity, the generated alternating current can enter the rectification energy storage unit to be stored, and electric energy supplement is provided for the electric equipment in the system; the medium and low temperature geothermal water flows back to the underground through the evaporator and the preheater, and provides energy for the power generation system; and the cooling pump provides cold water for the condenser, and the working medium is condensed. According to the device, the residual pressure energy storage device is adopted to recycle the discharged air flow energy, and the system efficiency is higher than that of a traditional geothermal power generation device.
Description
Technical field [0001] The invention relates to the technical field of geothermal power generation, in particular to a residual pressure energy storage type medium and low temperature geothermal energy maglev power generation device. Background technique [0002] Energy is the lifeblood of a country's development, and the industrial revolution often starts with energy upgrades. Geothermal energy is a green and environmentally friendly renewable energy with high power generation stability. my country has a vast territory, rich geothermal resources, and huge development potential, but the current development and utilization of geothermal energy is still significantly behind the developed countries. The development and utilization of geothermal resources is of great significance for promoting my country's energy upgrading and better achieving energy conservation and emission reduction. [0003] At present, the use of organic Rankine Cycle (ORC) power generation is an effective way t...
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IPC IPC(8): F03G4/00F01D15/10H02N15/00H02J7/32
CPCY02E10/10
Inventor 姜建国谢和平周中正刘云龙张丹朱建波
Owner SHANGHAI JIAO TONG UNIV