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Kalina cycle generation system adopting ejector

A cycle power generation and injector technology, applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., can solve the problems of high-pressure potential energy loss, reduction, and waste efficiency of dilute ammonia solution, so as to improve work efficiency, improve system efficiency, and improve The effect of working ability

Inactive Publication Date: 2012-05-02
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Throttling leads to loss of high-pressure potential energy of dilute ammonia solution, resulting in waste and reduced efficiency

Method used

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  • Kalina cycle generation system adopting ejector
  • Kalina cycle generation system adopting ejector
  • Kalina cycle generation system adopting ejector

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Embodiment Construction

[0011] The structure of the present invention will be further described below in conjunction with the accompanying drawings and through embodiments. It should be noted that this embodiment is illustrative rather than limiting. The protection scope of the present invention is not limited by this embodiment.

[0012] The Kalina cycle power generation system using injectors (as shown in the figure), the components are connected as follows: the fluid inlet of the injector 4 is connected to the outlet of the working medium side of the preheater 8; the injected fluid inlet of the injector 4 is connected to The outlet of the expander 3; the fluid outlet of the ejector 4 is connected to the inlet of the working medium side of the condenser 6. The working fluid side outlet of the condenser is connected to the working fluid pump 7, preheater 8, evaporator 1 and gas-liquid separator 2 in sequence, one outlet of the gas-liquid separator is connected to the expander; the other outlet is c...

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Abstract

The invention discloses a Kalina cycle generation system adopting an ejector. A structure of the Kalina cycle generation system is that an ejector fluid inlet is connected with a preheater working medium lateral outlet, an ejected fluid inlet of the ejector is connected with an outlet of an expansion machine, and a fluid outlet of the ejector is connected with a condenser working medium lateral inlet. The condenser working medium lateral outlet is connected with a working medium pump, a preheater, an evaporator and a gas-liquid separator in sequence. One outlet of the gas-liquid separator is connected with the expansion machine, and the other outlet of the gas-liquid separator is connected with the preheater, thereby forming a closed cycle return circuit. A mixing chamber in the ejector serves as an ammonia water absorbing and mixing chamber. Based on the existing Kalina cycle generation system, the ejector is adopted to replace a throttle valve, and the ejector guides the outlet of the expansion machine to exhaust gas in ejecting mode, thereby avoiding throttling loss, reducing exhaust pressure of the expansion machine, increasing working differential pressure of the expansion machine and improving acting ability and efficiency of the expansion machine.

Description

technical field [0001] The invention belongs to thermal power generation technology, in particular to a Kalina cycle power generation system using injectors for medium and low temperature heat sources. Background technique [0002] Medium and low temperature heat sources generally refer to low-grade energy sources with a temperature below 200°C. There are many types of these heat sources, including new energy sources such as solar energy and geothermal energy, and various waste (waste) heat. The amount of medium and low temperature waste heat is extremely large. A large amount of medium and low temperature waste heat generated in the production process of steel, cement, petrochemical and other industries, including hot water, low-grade flue gas and steam, etc., these heat quantities are large and low-grade, and basically cannot be processed. Production process reuse. Recycling and utilizing this part of energy can not only reduce energy consumption, but also reduce environm...

Claims

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Application Information

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IPC IPC(8): F01K25/10
Inventor 李新国赵翠翠胡晓辰
Owner TIANJIN UNIV
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