Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system

A two-stage flash evaporation and cycle power generation technology, which is applied in the field of solar energy, can solve the problems of heat storage pressure attenuation, hot water temperature reduction, system efficiency reduction, etc., and achieve the effect of enhanced work ability, constant inlet steam temperature, and avoiding depletion

Active Publication Date: 2016-08-24
SOUTHEAST UNIV
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Problems solved by technology

my country's geothermal power stations mostly adopt the expansion type. Compared with other methods, this method has the advantages of simple system, lower requirements for equipment, and less impact on the environment after strengthening recharge management, but the power generation efficiency is low.
In addition, the long

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  • Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system
  • Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system
  • Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system

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[0025] The present invention will be described in detail below in conjunction with the drawings.

[0026] Such as Figure 1 ~ Figure 5 As shown, the present invention includes a trough solar collector 1, a heat storage device 2, a geothermal water treatment device 3, a primary flash evaporator 4, a secondary flash evaporator 5, a steam turbine 6, a low pressure compressor 7, and a high pressure compressor 8. , Evaporator 9, intermediate evaporator 10, intercooler 11, condenser 12, first throttle valve 13, second throttle valve 14 and valve 15, the heat storage device 2 and the trough solar collector 1 Connect with each other to form a closed loop.

[0027] The geothermal water treatment device 3 is respectively connected to the inlet 2a of the heat storage device 2 and the inlet 4a of the primary flash evaporator 4. The heat storage device 2 to the outlet 2b is connected to the inlet 4a of the primary flash evaporator 4, and the primary flash evaporator 4 is provided with The sat...

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Abstract

The invention provides a solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system. The solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system comprises a groove type solar energy heat collector, a heat storage device, a terrestrial heat processing device, a first-level flash vessel, a second-level flash vessel, a steam turbine, a low-pressure compressor, a high-pressure compressor, an evaporator, a middle evaporator, a middle cooler and a condenser, wherein the terrestrial heat processing device, the first-level flash vessel, the second-level flash vessel, the steam turbine, the low-pressure compressor, the high-pressure compressor, the evaporator communicate to a production well, the middle evaporator, the middle cooler and the condenser communicate to a recharge well, and the heat storage device and the groove type solar energy heat collector communicate with each other and form a closed cycle.

Description

Technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar and geothermal combined two-stage flashing double working substance cycle power generation hot water system. Background technique [0002] Solar energy is inexhaustible, clean, pollution-free and renewable green energy. The use of solar power generation has unparalleled cleanliness, high safety, relative universality and sufficiency of energy, long life, and maintenance-free advantages that other conventional energy sources do not have. However, the construction cost of solar power stations is relatively high. The power generation is limited by the unstable radiation intensity, and the power generation efficiency is low. [0003] The vast land area and the low-to-high latitude distribution range make my country reserves abundant geothermal resources. Geothermal power generation is an important form of utilization of geothermal resources. The principle of geothermal power ...

Claims

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Application Information

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IPC IPC(8): F03G6/00F03G4/00F01D15/10F01K17/02F22B3/04F24J2/00F24J2/34
CPCF01D15/10F01K17/005F01K17/02F03G6/00F22B3/04F24S21/00F24S60/00F24S2023/88F24T10/20Y02E10/10Y02E10/46
Inventor 王军刘婷婷黄秀勇
Owner SOUTHEAST UNIV
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