火电厂石子煤钢带输送系统的PLC控制实现

吴剑强¹，李明²，吴胜龙³

( 1. 杭州华电华源环境工程有限公司，浙江省杭州市 310030；2.山东滨化热力有限责任公司，山东省滨州市 256600；3. 杭州华源前线能源设备有限公司，浙江省杭州市 310030)

PLC Control Implementation of Steel Belt Coal Mill Rejects Conveying System in Thermal Power Plant

WU Jianqiang¹, LI Ming², WU Shenglong³

(1. Hangzhou Huadian Huayuan Environment Co.,Ltd., Hangzhou 310030, Zhejiang Province, China; 2. Shandong Binhua Thermal Power Co., Ltd., Binzhou 256600, Shandong Province, China; 3. Hangzhou Huayuan Qianxian Energy Equipment Co.,Ltd., Hangzhou 310030, Zhejiang Province, China)

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摘要:

钢带输送机用于石子煤输送具有节能、减排、节水、环保及自动化程度高等优点，

在石子煤量较大的电厂应用广泛，由于PLC具有抗干扰能力强、逻辑处理能力强、

稳定性好等优点，常被选为电厂设备的控制器。以石子煤钢带输送系统的PLC自

动化控制为研究对象，分析了工艺系统的组成，根据工艺系统I/O点需求，配置

相应的PLC控制网络和硬件，通过分步实现各个子程序功能的方式进行PLC编程

和调试，最后通过主程序将各个子程序进行整合，实现了系统的全自动化运行。

关键词 ：石子煤, 钢带输送机, PLC, 程序, 自动化

Abstract：

The steel belt conveyor is used for coal mill rejects transportation, which has the

advantages of energy saving, emission reduction, water saving, environmental

protection and high automation. It has been applied widely in power plants with

large coal mill rejects. Because PLC has the advantages of strong anti-interference

ability, strong logic processing ability and good stability, it is often selected as the

controller of power plant equipment. Taking PLC automatic control of steel belt

coal mill rejects conveying system as the research subject, the composition of

the process system was analyzed; the corresponding PLC control network and

hardware were configured according to the I/O point requirements of the

process system; PLC is mainly programmed and debugged in a step-by-step

manner to realize the functions of each subroutine. Finally, the system is

fully automated by integrating the subroutines together with the main program.

Key words： coal mill rejects steel belt conveyor PLC program automation

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引用本文:

吴剑强, 李明, 吴胜龙. 火电厂石子煤钢带输送系统的PLC控制实现[J]. 发电技术, .
WU Jianqiang, LI Ming, WU Shenglong. PLC Control Implementation of Steel Belt Coal Mill Rejects Conveying System in Thermal Power Plant. Power Generation Technology, 0, (): 1-.

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http://www.pgtjournal.com/CN/ 或 http://www.pgtjournal.com/CN/Y0/V/I/1

[1]	刘久斌,朱红霞,崔晓波. 我国电厂热工自动化的回顾、现状和展望[J]. 发电技术, 2018, 39(1): 18-22.
[2]	周琪, 曾淼. 南昌某综合办公楼中央空调系统设计和实践体会[J]. 发电技术, 2017, 38(3): 92-94.

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