In the second period of iron - making history , more iron was made however , the amount was still very small as compared with today 在炼铁史上的第二个阶段，尽管已有更多的铁被炼出来，但与今天相比，这个数量还是很少的。
During smelting steel and iron , the temperature of molten steel and liquid iron is one of the most important parameters in steel trade 目前，在炼钢、炼铁的行业中，钢水或铁液的温度是决定炼钢或炼铁的重要参数之一。
Reason : the team was formed as a works team for the local iron works and the trousers that the foundry workers wore were called baggies 原因:西布罗米奇俱乐部最初是由一些炼铁工人组成的，而这些工人穿的裤子就叫做灯笼裤,宽大松垮
This article narrated the high - pressured frequency changer in iron - smelting dust removal system transformation analysis as well as the economic efficiency analysis 本文讲述了高压变频器在炼铁除尘系统中的改造分析以及经济效益分析。
It will make the blast furnace abnormal if the thermal state is unstable . this will erode the blast furnace faster , shorten its campaign life 在炼铁生产中，高炉热状态不稳定，往往会导致高炉出现异常情况，使设备侵蚀加快，缩短高炉寿命。
A supervision system of coal power injection was realized using simatic s7 - 300 and wcc6 . 0 , after analyze the techniques of blast furnace pudding 本文通过分析高炉喷吹煤粉炼铁的工艺过程,用西门子系列的s7 - 300和wcc6 . 0实现了对喷吹过程的监控。
Abstract this article narrated the high - pressured frequency changer in iron - smelting dust removal system transformation analysis as well as the economic efficiency analysis 本文讲述了高压变频器在炼铁除尘系统中的改造分析以及经济效益分析。
According to the situation of equipment management and safety requirement of blast furnace ' s fan system , changzhi iron & steel co . ltd has raised this thesis 课题是根据长治钢铁(集团)有限公司炼铁厂设备管理状况和高炉送风系统的安全需要提出的。
Longevity technology of the blast furnace is a tendency of the iron - making development , it is also a topic that is long - term focused on and studied in the iron - making field 摘要高炉长寿是炼铁技术发展的一个趋势，亦是炼铁界长期关注和研究的重点课题。
