STUDY ON DYNAMIC MODEL OF TOP-PRESSURE IN BLAST-FURNACE OF TRT UNDER NORMAL CONDITION OF POWER GENERATION

YANG Chun-jie1; LI Ting-ting1; SONG Zhi-huan1; JI Tian-bo2 1. Zhejiang University

doi:10.19666/j.rlfd.2008.03.007

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STUDY ON DYNAMIC MODEL OF TOP-PRESSURE IN BLAST-FURNACE OF TRT UNDER NORMAL CONDITION OF POWER GENERATION

更新时间：2025-09-28

- STUDY ON DYNAMIC MODEL OF TOP-PRESSURE IN BLAST-FURNACE OF TRT UNDER NORMAL CONDITION OF POWER GENERATION
- Thermal Power Generation Issue 3, Pages: 26-29(2008)
- 作者机构：
  
  1. 浙江大学
  2. 河北津西钢铁股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.03.007
  CLC： TF57
- Published：2008
- 稿件说明：
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YANG Chun-jie1, LI Ting-ting1, SONG Zhi-huan1, et al. STUDY ON DYNAMIC MODEL OF TOP-PRESSURE IN BLAST-FURNACE OF TRT UNDER NORMAL CONDITION OF POWER GENERATION[J]. Thermal power generation, 2008, (3): 26-29.
DOI：

YANG Chun-jie1, LI Ting-ting1, SONG Zhi-huan1, et al. STUDY ON DYNAMIC MODEL OF TOP-PRESSURE IN BLAST-FURNACE OF TRT UNDER NORMAL CONDITION OF POWER GENERATION[J]. Thermal power generation, 2008, (3): 26-29. DOI： 10.19666/j.rlfd.2008.03.007.

摘要

高炉煤气余压透平发电装置(TRT)正常运行的前提是保证高炉炉顶压力的高度稳定。在TRT处于正常发电工况时

高炉间歇上料是引起炉顶压力不稳定的主要因素

将其引入TRT正常发电工况下的高炉炉顶压力模型

采用机理分析与基于实际运行数据的参数辨识相结合的方法建立了该动态模型。结合具体实例

分析了高炉炉顶压力控制系统满足闭环可辨识性条件。对所建立的模型进行了仿真验证

结果表明该模型能够反映TRT正常发电工况下炉顶压力的实际运行状况。

Abstract

The prerequisite of normal operation of TRT by using blast-furnace gas is to ensure the high stability of top-pressure in blast-furnace. Under condition of normal power generation by TRT

the main factor leading to unstability of top-pressure in blast-furnace is the intermittent loading of materials into the blast-furnace

this factor has been introduced into the top-pressure model of the blast-furnace under normal power generation of the TRT. The said dynamic model has been established by using the method of adopting mechanism analysis and combining with parameter's recognition based on practical operation data. Combined with concrete examples

the control system of the top-pressure in blast-furnace

which can satisfy the condition of closed loop recognizability

has been analyzed. The result of simulated verification for the established model shows that the said model can reflect the practical operation situation of the top-pressure in blast-furnace under normal power generation of the TRT.

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