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1 前言 永钢是以生产建筑钢材为主的村办冶金企业,原650生产线主要考虑本企业不能自产钢坯(锭),市场货源品种又较杂。当1995年4月开坯生产的同时,公司根据市场原料情况,成品销售市场的变化,及公司内各条生产线的总体规划,提出改造650旧工艺。在原基础上改造一火轧建筑材螺纹钢。并于1995年8月底完成了二期改造工程,经一次试轧成功。全生产线是在总结国内外同行的经验基础上,自行设计、自行施工调试的。是目前国内较先进的半连轧棒材生产线,形成了开坯、轧材一条龙,前后基本配套,低投入、高产
1 Preface Yonggang is a village-owned metallurgical enterprise mainly engaged in the production and construction of steel products. The original 650 production line mainly considers that the enterprise can not produce its own billets (ingots), and the market supply varieties are more complicated. When the production was started in April 1995, the company proposed to renovate the 650 old craft according to the market raw materials, the change of the finished product sales market and the overall planning of each production line in the company. Based on the original transformation of a fire rolling building materials rebar. And in late August 1995 completed the second phase of the renovation project, after a successful test-rolling. The whole production line is based on the experience of domestic and foreign counterparts on the basis of their own design, construction and commissioning of their own. Is currently the more advanced semi-continuous rolling bar production line, forming a billet, rolling one-stop, before and after the basic support, low input, high yield