Study on the Model Establishment and the Performance Analysis of the Modified Kalina Cycle System

杨凯杰; 绳晓玲

doi:10.16056/j.2096-7705.2022.03.013

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Study on the Model Establishment and the Performance Analysis of the Modified Kalina Cycle System

更新时间：2026-01-19

- Study on the Model Establishment and the Performance Analysis of the Modified Kalina Cycle System
- Issue 3, Pages: 77-83(2022)
- 作者机构：
  
  华北电力大学,保定
- 作者简介：
- 基金信息：
- DOI：10.16056/j.2096-7705.2022.03.013
  CLC： P743.4;TM61
- Published：2022
- 稿件说明：
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杨凯杰, 绳晓玲. Study on the Model Establishment and the Performance Analysis of the Modified Kalina Cycle System[J]. 2022, (3): 77-83.
DOI：

杨凯杰, 绳晓玲. Study on the Model Establishment and the Performance Analysis of the Modified Kalina Cycle System[J]. 2022, (3): 77-83. DOI： 10.16056/j.2096-7705.2022.03.013.

摘要

为了降低CO2的排放，充分开发利用海洋能源，助力我国早日实现碳中和，提出一种改进Kalina循环。以经太阳能辅助加热的温海水为热源，并通过对改进Kalina循环系统的汽轮机进口温度以及汽轮机进、出口压力进行分析，探究其对改进Kalina循环系统输出净功、热效率和吸热量及放热量的影响。实验结果表明：改进后的Kalina循环与Kalina循环相比，系统吸热量、放热量和工质泵功耗分别降低3.17%、4.04%和25.59%，输出净功增加0.75%；随着汽轮机进口压力的增大，系统的净输出功先增后减，吸热量及放热量均不断减小；系统的输出净功和热效率随着汽轮机出口压力的增加而减小；系统的输出净功、热效率和吸热量及放热量随着汽轮机入口温度的增加而增加，研究结果对提升发电厂的发电效率有一定意义。

Abstract

In order to reduce CO2emissions

fully develop and utilize ocean energy

and help China achieve carbon neutrality as soon as possible

this paper proposes an improved Kalina cycle. Warm seawater heated by solar assisted heating is used as the heat source

and its effects on the net work output

thermal efficiency and heat absorption and discharge of the improved Kalina cycle system are investigated by analyzing the turbine inlet temperature as well as turbine inlet and outlet pressure of the improved Kalina cycle system. The experimental results show that: compared with Kalina cycle

the improved Kalina cycle has 3.17%

4.04% and 25.59% lower heat absorption

4.04% and 25.59% lower heat discharge and 25.59% higher net work output respectively; with the increase of turbine inlet pressure

the net work output of the system increases and then decreases

and the heat absorption and heat discharge both decrease continuously; the net work output and thermal efficiency of the system With the increase of turbine outlet pressure

the net output work

thermal efficiency

heat absorption and heat release of the system increase with the increase of turbine inlet temperature

and the results of the study have some significance to improve the power generation efficiency of the power plant.

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references

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