RETROFFITTING OF SEALING-CLEARANCE CONTROL SYSTEM OF THE ROTARY AIR PREHEATOR

doi:10.19666/j.rlfd.2002.01.023

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RETROFFITTING OF SEALING-CLEARANCE CONTROL SYSTEM OF THE ROTARY AIR PREHEATOR

Thermal Power Generation Issue 1, Pages: 56-58(2002)

更新时间：2025-09-28

- RETROFFITTING OF SEALING-CLEARANCE CONTROL SYSTEM OF THE ROTARY AIR PREHEATOR
- 作者机构：
  
  1. 马鞍山第二发电厂
  2. 马鞍山第二发电厂,安徽,马鞍山,243051
  3. ,安徽,马鞍山,243051
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2002.01.023
  CLC： TK223.34
- Published：2002
- 稿件说明：
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RETROFFITTING OF SEALING-CLEARANCE CONTROL SYSTEM OF THE ROTARY AIR PREHEATOR[J]. Thermal Power Generation, 2002, (1): 56-58.
DOI：

RETROFFITTING OF SEALING-CLEARANCE CONTROL SYSTEM OF THE ROTARY AIR PREHEATOR[J]. Thermal Power Generation, 2002, (1): 56-58. DOI： 10.19666/j.rlfd.2002.01.023.

摘要

介绍了回转式空气预热器密封间隙控制系统的技改过程和方法。采用工控机与可编程逻辑控制器 (PLC)组成控制系统

增加过电流调节和保护等策略和功能

提高了系统可控性

减小了空气预热器漏风率。

Abstract

The process and method of retrofitting of the title control system are described. By applying control system composed of process-control-machine and programmable logic controller

adding tactics and functions of over-current regulation and protection

the controllability of the automatic system was heightened and the leakage rate of air preheater was reduced.

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