Modeling and simulation of economizer based on system dynamics

WEI Le; MA Binbin

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Modeling and simulation of economizer based on system dynamics

Thermal Power Generation Vol. 46, Issue 10, Pages: 36-40(2017)

更新时间：2025-09-28

- Modeling and simulation of economizer based on system dynamics
- 作者机构：
  
  华北电力大学控制与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2017
- 稿件说明：
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WEI Le, MA Binbin. Modeling and simulation of economizer based on system dynamics[J]. Thermal Power Generation, 2017, 46(10): 36-40.
DOI：

WEI Le, MA Binbin. Modeling and simulation of economizer based on system dynamics[J]. Thermal Power Generation, 2017, 46(10): 36-40. DOI：

摘要

建立能反映省煤器工作状态的模型是锅炉建模的必要环节。基于能量守恒和质量守恒

将系统动力学原理应用于省煤器

以因果回路模型和存量流量模型为载体

提出了省煤器的系统动力学建模方案

并在Vensim软件上加以实现。通过结合生产实例对所建模型进行仿真研究

验证了所建省煤器模型的有效性和可行性。基于系统动力学的省煤器建模方案为省煤器建模提供了新的思路

同时也为工程上一些难以测量的物理量提供了一种软测量方法。

Abstract

Establishing a model that can reflect the working state of economizer has become a necessary part of boiler modeling. Based on the energy conservation and the mass conservation

by applying the system dynamics principle to the economizer

the system dynamics model of the economizer is proposed in the forms of the causal loop diagrams and the stock and flow diagrams

which are implemented on the Vensim software. Through production examples

the simulation study of the model is carried out

and the proposed model's effectiveness and feasibility are verified. The coal economizer-modeling scheme based on system dynamics provides a new way for modeling coal economizer

and also provides soft sensing method for some difficult physical quantities in engineering.

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