Heat source shunting type waste heat power generation system and optimization control method thereof

A waste heat power generation and optimization control technology, applied in system integration technology, design optimization/simulation, information technology support system, etc., can solve problems such as large net output power, unorganic Rankine cycle simulation and optimization, and difficulty in obtaining

Pending Publication Date: 2021-05-28
SOUTHWEST JIAOTONG UNIV
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After the organic Rankine cycle system design and equipment selection are completed, due to the uncertainty of the external environment and some operating conditions, the actual operating conditions will often be different from the designed operating conditions, mainly reflected in t

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  • Heat source shunting type waste heat power generation system and optimization control method thereof
  • Heat source shunting type waste heat power generation system and optimization control method thereof
  • Heat source shunting type waste heat power generation system and optimization control method thereof

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[0027]DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below to understand the present invention, but it should be understood, and the present invention is not limited to the scope of the specific embodiments, and in terms of ordinary skill in the art, as long as various changes Within the spirit and scope of the invention appended claims, it is apparent from the spirit and scope of the appended claims, and all inventions of the inventive concepts are all protected.

[0028]Such asfigure 1 As shown, the heat source splitting heat generating system of the present scheme includes an evaporator and a preheater, the heat end of the evaporator is connected to the process hot water inlet pipe, the heat end of the evaporator and the hot end of the preheater; The thermal exit of the preheater is connected to the process hot water supply; the cold end of the evaporator is connected to the cold end outlet of the preheater, the cold end of the evaporator is connected ...

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Abstract

The invention discloses a heat source shunting type waste heat power generation system and an optimization control method thereof. The heat source shunting type waste heat power generation system comprises an evaporator and a preheater, wherein the evaporator is connected with an expansion machine, the preheater is connected with a working medium pump, the working medium pump is connected with a condenser, the expansion machine is connected with the condenser, the condenser is connected with a cold water pump, and the cold water pump is connected with a cold water pipe. The optimization control method comprises the steps: setting a variable change interval based on a genetic algorithm of Matlab, encoding population individuals in the change interval, and obtaining the optimal evaporation temperature <tevaapos>, the optimal primary split ratio <rsp1apos>, the optimal secondary split ratio <rsp2apos> and the maximum net output power W < netapos > by using the genetic algorithm; and optimizing the flow in a process hot water branch pipe and the evaporator. According to the heat source shunting type waste heat power generation system and the optimization control method thereof, the operation optimization target of the maximum net output work in the waste heat power generation circulation process, the flow dividing ratio of two flow dividing units is determined, then the valve position flow of four valves is adjusted, and therefore the optimal working condition operation is achieved.

Description

technical field [0001] The invention relates to the technical field of waste heat power generation, in particular to a heat source split type waste heat power generation system and an optimization control method thereof. Background technique [0002] Organic Rankine Cycle (ORC) is a technology in the chemical industry that uses waste heat to generate electricity. After the organic Rankine cycle system design and equipment selection are completed, due to the uncertainty of the external environment and some operating conditions, the actual operating conditions will often be different from the designed operating conditions, mainly reflected in the changes in the cold source and heat source. It is difficult to obtain the maximum net output power in actual operation. Moreover, the existing research has not simulated and optimized the actual operation of Organic Rankine Cycle (ORC) from the theory and optimization algorithm. Therefore, the present invention proposes a heat sourc...

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Application Information

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IPC IPC(8): F01K25/08F01K27/02F01K13/02G06F30/20G06N3/12
CPCF01K25/08F01K27/02F01K13/02G06F30/20G06N3/126Y04S10/50Y02E40/70
Inventor 王诗祺袁中原
Owner SOUTHWEST JIAOTONG UNIV
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