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鞍钢冷轧厂１８０／４４０型罩式退火炉是仿照武钢引进德国ＬＯＩ工业炉公司技术设计的，在７０年代这种罩式炉在国内是比较先进的，但由于美国ＩＰＡＣ公司配套的计算机控制系统硬件质量差，性能并不十分可靠。尤其进入９０年代后，设备老化，加上ＩＰＡＣ公司倒闭，特殊备件已无处采购和替代，致使这套计算机控制系统故障频繁。为满足生产要求，我厂工程技术人员独立设计、更新改造、安装调试一套新型计算机控制系统。换型和改造２４座炉计算机系统取得了成功，经实际生产运行表明，选型先进合理，控制系统可靠，自动化程度高，精度高，事故少，取得良好的经济效益。
Anshan Iron and Steel Cold Rolling Mill 180/440 type annealing furnace is modeled on the introduction of the German company LOI Industrial Furnace Wugang technology design, in the 70s this hood furnace is more advanced in the country, but the United States IPAC company supporting computer control system Poor hardware quality, performance is not very reliable. Especially into the 90’s, the aging equipment, coupled with IPAC company closed down, special spare parts have nowhere to buy and replace, resulting in frequent failures of this computer control system. In order to meet the production requirements, I plant engineering and technical personnel independent design, renovation, installation and commissioning a new type of computer control system. Retrofitting and transformation of 24 furnace computer system has been a success, the actual production and operation showed that the selection of advanced and reasonable, reliable control system, a high degree of automation, high precision, fewer accidents, and achieved good economic returns.