STUDY ON DYNAMIC BEHAVIOR OF ONCE-THROUGH BOILER EUIPPED FOR SUPERCRITICAL 600 MW UNIT

WANG Zhigang; LEI Zhaotuan; ZHANG GuangcaiXi'an Thermal Power Research Institute Co Ltd

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STUDY ON DYNAMIC BEHAVIOR OF ONCE-THROUGH BOILER EUIPPED FOR SUPERCRITICAL 600 MW UNIT

Thermal Power Generation Vol. 39, Issue 9, Pages: 14-20(2010)

更新时间：2025-09-28

- STUDY ON DYNAMIC BEHAVIOR OF ONCE-THROUGH BOILER EUIPPED FOR SUPERCRITICAL 600 MW UNIT
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.2
- Published：2010
- 稿件说明：
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WANG Zhigang, LEI Zhaotuan, ZHANG GuangcaiXi'an Thermal Power Research Institute Co Ltd. STUDY ON DYNAMIC BEHAVIOR OF ONCE-THROUGH BOILER EUIPPED FOR SUPERCRITICAL 600 MW UNIT[J]. Thermal Power Generation, 2010, 39(9): 14-20.
DOI：

WANG Zhigang, LEI Zhaotuan, ZHANG GuangcaiXi'an Thermal Power Research Institute Co Ltd. STUDY ON DYNAMIC BEHAVIOR OF ONCE-THROUGH BOILER EUIPPED FOR SUPERCRITICAL 600 MW UNIT[J]. Thermal Power Generation, 2010, 39(9): 14-20. DOI：

摘要

建立了沁北电厂超临界600MW机组直流锅炉的动态特性数学模型

包括单相受热管集总参数模型、单相受热管压力-流量通道集总参数模型、两相受热管段集总参数模型、烟气侧放热模型、喷水减温器模型等

以及汽轮机模型。通过数字仿真对该锅炉的动态特性进行了研究

对如给水温度阶跃增加5%、给水流量阶跃增加5%、燃料量阶跃增加5%、过热器减温喷水量阶跃变化、再热器喷水量阶跃变化等各种扰动发生后锅炉动态响应的稳定性、响应幅度以及扰动对锅炉的影响进行了分析。

Abstract

The mathematic model of dynamic behavior for once-through boiler of supercritical 600 MW unti in Qinbei Power Plant has been established

including the lumped parameter model of single-phase heating pipes

the lumped parameter model of pressure-flow rate passage for single-phase heating pipe

the lumped parameter model of two-phase heating pipe sections

the exothermic model of flue as side

the model of spray desuperheater

and the model of steam turbine etc..Through numerical emulation

the dynamic behavior of said boiler has been studied

the stability of dynamic response

the amplitude of said response after any disturbance

such as step increase of 5% in feed-water temperature

in feed-water flow rate

in fuel coal amount

in spray water flow for desuperheating in superheater and reheater etc.

as well as the influence of said disturbances upon dynamic behavior of the boiler

have been analysed

providing certain guiding effect for manufacture

operation

and control of supercritical once-through boiler.

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