Terrestrial heat generating system

A technology of geothermal power generation and heat exchangers, applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., can solve the problems of inability to achieve temperature matching, loss of effective energy, etc., and achieve the effect of improving efficiency and reducing loss of effective energy

Inactive Publication Date: 2015-03-18
郭庆梅
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The power cycle using water as the working fluid-Rankine cycle has a constant temperature isothermal phase change process in the evaporation and condensation process, the heat exchange of the working fluid, heat source and cold source often cannot achieve the best temperature matching, resulting in a large effective energy loss

Method used

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  • Terrestrial heat generating system

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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0010] Such as figure 1 As shown, the geothermal power generation system includes a generator 4, a heat exchanger 3, an absorber 1 and a steam turbine 6. The water inlet of the heat exchange tube of the heat exchanger 3 communicates with the shell side of the absorber 1 through a connecting pipe, and the connecting pipe Also connected is a solution pump 5 for pumping the circulating working fluid from the shell of the absorber 1 to the heat exchange tube of the heat exchanger 3; the water outlet of the heat exchange tube of the heat exchanger 3 communicates with the shell side of the generator 4 The top of the generator 4 is provided with a steam outlet, and the steam outlet is connected with the inlet of the steam turbine 6, and the outlet of the steam turbine 6 is connected with the shell of the absorber 1; the shell side water inlet of the heat exchanger 3...

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Abstract

The invention discloses a terrestrial heat generating system, and belongs to the technical field of generating systems. The terrestrial heat generating system comprises a generator, a heat exchanger, an absorbing device and a steam turbine; a water inlet of a heat exchange pipe of the heat exchanger communicates with a shell pass of the absorbing device through a solution pump, and a water outlet of the heat exchange pipe of the heat exchanger communicates with the shell pass of the generator; a steam outlet which communicates with an inlet of the steam turbine is arranged in the top part of the generator; an outlet of the steam turbine communicates with a housing of the absorbing device; a shell pass water inlet of the heat exchanger is connected with a shell pass water outlet of the generator; the shell pass water outlet of the heat exchanger is connected with the shell pass water inlet of the absorbing device through a throttle valve; a hot water circulating pipe is arranged in the generator; a cold water circulating pipe is arranged in the absorbing device; ammonia and water mixture is used as the circulating medium. The terrestrial heat generating system has the advantages that the ammonia and water mixture is used as the circulating medium, thus the useful energy loss caused by evaporating and condensing can be reduced, and the circulating generating efficiency can be raised.

Description

technical field [0001] The invention relates to a power generation system, in particular to a geothermal power generation system. Background technique [0002] At present, geothermal resources that can be used for power generation mainly include hydrothermal resources, low-pressure resources and hot dry rock resources. Hydrothermal resources have been used for commercial purposes, and the utilization of two geothermal resources is still in the experimental stage. The geothermal water power generation systems used in practice are mainly flash evaporation systems and duplex circulation systems. The ideal efficiency that can be achieved at different geothermal water temperatures and the ideal maximum power generation per unit mass of hot water also give the highest efficiency limit of the thermodynamic Carnot cycle. When the temperature of the heat source is lower than 673K, the system efficiency of the Rankine cycle using water as the working fluid is low, and the economic an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/04
Inventor 郭庆梅
Owner 郭庆梅
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