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Steam turbine and organic Rankine cycle fluid turbine dual-drive combined electricity generation or mechanical working equipment

A Rankine cycle, dual-drive technology, applied to steam engine devices, machines/engines, mechanical equipment, etc., can solve the problem that the heat source cannot be fully utilized

Active Publication Date: 2016-10-12
CHINA CHANGJIANG ENERGY CORP GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a dual-drive system of a steam turbine and an organic Rankine cycle working medium turbine to solve the technical problem that the heat source in the prior art cannot be fully utilized

Method used

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  • Steam turbine and organic Rankine cycle fluid turbine dual-drive combined electricity generation or mechanical working equipment
  • Steam turbine and organic Rankine cycle fluid turbine dual-drive combined electricity generation or mechanical working equipment
  • Steam turbine and organic Rankine cycle fluid turbine dual-drive combined electricity generation or mechanical working equipment

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Embodiment 1

[0057] Such as Figure 1-4 As shown, a steam turbine and organic Rankine cycle working fluid turbine dual drive system provided in this embodiment includes a steam turbine subsystem, a working fluid turbine subsystem and a dual drive device;

[0058] The dual drive device includes two working fluid input terminals and one power output terminal, and the power input by the two working fluid input terminals is superimposed and then output from the power output terminal;

[0059] The steam turbine subsystem includes a waste heat boiler 16, a steam turbine 17, one side of the working fluid input end of the dual drive device, one side of the evaporator 21, a condensing water pump 18 and a feed water pump 20, and the above-mentioned components are connected in sequence to form a Independent circulatory system;

[0060] The working medium turbine subsystem includes the other side of the evaporator 21, the working medium input end on the other side of the dual drive device, the workin...

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Abstract

The invention relates to a steam turbine and organic Rankine cycle fluid turbine dual-drive combined electricity generation or mechanical working equipment. The equipment is driven by a turbine expander, which distributes two different working media respectively through a converging type cylindrical gear box and cantilever structures for two input shafts, and transmits electricity or directly works through an output shaft. After passing through a steam turbine to enable the steam turbine to run to work, an organic Rankine cycle heat source, namely saturated steam, enters an evaporator to exchange heat with an organic working medium, then the organic working medium enters a working medium turbine to enable the working medium turbine to run to work, and finally the organic working medium returns to a condenser to finish an internal cycle through a working medium pump; and after exchanging heat with the organic working medium in the evaporator, the heat source steam returns to a cooling tower and then passes through a waste heat boiler or directly passes through the waste heat boiler to finish an external cycle. According to the equipment, a steam cycle system not only plays a role in utilizing a high-grade heat source but also plays a role in adjusting hear source parameter and improving the heat exchange efficiency of the evaporator, and an organic Rankine cycle plays a role in further utilizing a low-grade heat source to save energy and protect environment.

Description

technical field [0001] The invention is applicable to the field of waste heat utilization of steam turbine and organic Rankine cycle equipment, specifically relates to power generation or work output of steam turbine and organic Rankine cycle equipment, and is a core power module of steam turbine and organic Rankine cycle equipment. Background technique [0002] At present, the utilization rate of low-quality heat sources in China is not high, resulting in a large waste of energy, which does not conform to the current macroscopical situation of energy conservation and environmental protection at home and abroad; at this stage, the domestic use of low-quality heat sources mainly uses screw expanders and organic Rankine cycle systems to generate electricity. Among them, the core power module of the organic Rankine cycle power generation equipment is also divided into two types, namely the screw machine and the centripetal turbine; due to the structure of the screw machine and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K23/02F01K25/08F01K27/00
CPCF01K23/02F01K25/08F01K27/00
Inventor 毛联飞李顺胡哺松梅政文孙茴韦钰芳毛颖
Owner CHINA CHANGJIANG ENERGY CORP GROUP
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