一、选题武钢硅钢片厂全套设备和工艺是从日本引进的,冷轧取向硅钢片是我厂主要产品之一。该产品具有较高的磁感和较低的铁损,因此对化学成份要求较严格,生产工艺复杂,并且生产工序多流程长。但是由于我公司前工序冶炼系统配套不理想,特别是真空处理效率低,因此前工序克服了许多困难,采用吹氩处理方法,冶炼了一种非专利方法的取向硅钢(我们称之为D材)。它的化 First, the subject of WISCO silicon steel plant full set of equipment and technology is imported from Japan, cold-oriented silicon steel sheet is one of our main products. The product has a higher magnetic induction and lower iron loss, so the more stringent chemical composition, the production process is complex, and the production process of multi-process long. However, due to the poor pre-treatment smelting system of our company, especially the low efficiency of vacuum treatment, the former process has overcome many difficulties. The argon-treated steel was used to smelt a non-patent oriented oriented silicon steel (we call it D ). It’s changed