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요약정보
基于S7-300PLC的空气清仓远程智能系统 / Remote Intelligent System for Air Clearance Based on S7-300PLC
Resource Type
Academic Journal
Authors
王本治
;
金春雷
;
方胜海
;
WANG Benzhi
;
JIN Chunlei
;
FANG Shenghai
Source
现代矿业 / Modern Mining
. 38(4):155-157
Subject
空气清仓系统
自动控制
S7-300PLC
圆盘给料机
Language
Chinese
ISSN
1674-6082
Online Access
Find it @ DONGA
초록
马钢矿业资源集团南山矿业公司和尚桥选矿厂的12台圆盘给料机间接为球磨机供矿,在矿石潮湿情况下其上方矿仓易蓬拱阻塞出口,原空气清仓系统为人工操作,工作效率和安全性均存在不足.为解决该问题,设计采用西门子S7-300PLC可编程控制器解决空气清仓系统的人工操作问题.系统选用CPU315-2PN/DP和扩展模块,PLC输出端接对应空气阀门的继电器,继电器的常开触点并接在现场按钮点动控制回路中,当继电器得电常开触点闭合,使气阀打开,空气清仓运行.PLC输出端还接对应的12台空气清仓的报警铃,气源打开即代表将放炮,报警铃闪烁并响铃,提醒附近工人离开现场.系统投入生产运行后,改善了圆盘给料机岗位工人的工作环境,减少了每班当班人数1人,避免了圆盘给料机不下料导致的皮带空转,有效地提高了圆盘给料机的下矿效率,保证了下级设备GK筛的持续供矿.本系统总体结构简单明了,易于操作,实用性较强,具有一定的推广应用价值.
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