论文部分内容阅读
我厂共有8台刮板式给煤机,均采用传统的电磁滑差调节方式进行调速控制。在给煤机运行使用过程中,由于煤中混杂的大石头、大木块、铁丝等异物堵塞及机械卡涩原因,导致给煤机刮板经常被弄弯曲、撕裂,板链被拉断,甚至驱动电动机被烧毁,严重影响设备正常运行。并且给煤机控制箱中的同操器型号陈旧,控制回路设计过于繁琐,且元件老化,故障频繁,维修量增大。为从根本上解决上述问题,我们选用ABB公司601—0016—3型变频器和ABB电动机对我厂给煤机调速控制系统进行改造。
I plant a total of eight scraper coal feeder, are used to adjust the traditional electromagnetic slip speed control. During the operation of the coal feeder, the coal scraper is often bent and torn due to the blockage of foreign matter in the coal such as large stones, large blocks of wood, wire and the like and mechanical jam, Even the drive motor is burned, seriously affecting the normal operation of equipment. And the coal feeder control box in the obsolete models obsolete, control loop design is too complicated, and components aging, frequent failures, increased maintenance. In order to fundamentally solve the above problems, we choose ABB company 601-0016-3 frequency converter and ABB motor on the coal feeder speed control system to transform.