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Self-driven expansion generator system

A generator and self-driven technology, applied in the direction of machines/engines, mechanical equipment, steam engine devices, etc., can solve the problems of insufficient power generation efficiency and unstable unit system, so as to improve power generation efficiency and system reliability, reduce demand, The effect of improving stability

Inactive Publication Date: 2017-09-29
江苏必领能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The organic Rankine cycle expansion generator system, the unit system is not stable enough, and the power generation efficiency is not high enough, so the existing expansion generator system needs further improvement

Method used

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Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1As shown, in this embodiment, the starting device is a working medium pump motor. The starting steam drum 90 evaporates the organic working medium in it into gas and then enters the expander 10 through the bypass valve 91 to provide air bearings for the expander. Gas buoyancy, after the bearing runs normally, the working medium pump motor 81 drives the working medium pump 80 to run, and the working medium pump 80 pumps the liquid working medium in the liquid reservoir into the preheater 60 for preheating, and the liquid working medium in the liquid storage and the working medium The liquid filter 51 installed between the mass pumps is used to filter impurities in the liquid working medium. The preheated liquid working medium enters the evaporator and is heated by an external low-grade heat source to become high-temperature steam, and then passes through the intake valve 31 And the gas path filter 32 enters the expander 10 to expand, the flywheel...

Embodiment 2

[0027] Embodiment 2: as figure 2 As shown, in this embodiment, the starting device is a working medium starting pump, and the clutch 14 and the working medium pump 80 are in a disengaged state at the beginning, and the starting steam drum 90 evaporates the organic working medium in it into a gas and then passes through the bypass valve 91 Enter the expander 10 to provide gas buoyancy for the air bearing of the expander. After the bearing operates normally, the working fluid starting pump 70 pumps the liquid working medium in the liquid storage into the preheater 60 for preheating. The liquid filter 51 installed between the device and the working medium pump is used to filter impurities in the liquid working medium. The preheated liquid working medium enters the evaporator and is heated by an external low-grade heat source into high-temperature steam and then passes through the evaporator. The air valve 31 and air filter 32 enter the expander 10 for expansion. After the expand...

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Abstract

The invention relates to a self-driven expansion generator system. The self-driven expansion generator system comprises an expansion machine, a generator, an evaporator, a condenser, a working medium pump, a clutch and a start device. The expansion machine is connected with the generator through the coupler. The evaporator is connected with the expansion machine through the intake valve. An inlet of the condenser is connected with the expansion machine. A working medium pump is arranged between an outlet of the condenser and the evaporator. The expansion machine is connected with the working medium through the clutch. The start device is used for pumping the liquid working medium into the evaporator when the system is started. The self-driven expansion generator system can utilize various kinds of waste heat to generate electricity, when the self-driven expansion generator system operates, the expansion machine drives the working medium pump to work through the clutch, and other external energy is not needed. In this way, the self-driven expansion generator system is stable in operation, high in reliability and efficiency, and environmentally friendly and saves energy.

Description

technical field [0001] The invention relates to a generator, in particular to a self-driven expansion generator system. Background technique [0002] With the increasing consumption of fossil energy such as coal, oil, and natural gas, as well as the environmental burden (such as carbon dioxide emissions, etc.) brought about by energy consumption, energy and environmental issues have become a major concern of the world. Against this background, the conversion of low-grade heat into electricity using an organic Rankine cycle has attracted increasing attention. The so-called organic Rankine cycle means that in the traditional Rankine cycle, organic working fluid (such as R113, R123, etc.) is used instead of water as the working fluid to push the expander to do work. In recent years, the research work of organic Rankine cycle has been vigorously carried out at home and abroad, and it is an ideal way to utilize low-grade heat energy. In the organic Rankine cycle expansion gener...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/08F01K13/02F01K13/00
CPCF01K13/006F01K13/02F01K25/08
Inventor 陈建红刘斌胡易木王志峰
Owner 江苏必领能源科技有限公司
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