一、前言自两次世界性石油危机以来,热轧带钢生产的指导思想已从单纯追求扩大卷重和提高产量逐渐转向节能、提高质量、扩大品种和降低消耗为中心,从而使第二代热带钢轧机在操作技术上发生了新的转变。开发了诸如热直接轧制(HDR)、热装轧制(HCR)以及自由程序轧制(SFR)等被人们采用的先进轧制工艺。为了更为有效地推广应用这些操作技术上的革新,对沿轧制流程线全长所有相关设备技术提出了配套要求。继而又开 I. Introduction Since the two world oil crises, the guiding ideology of hot rolled strip production has shifted from simply pursuing expansion of the rolling weight and increasing output to energy saving, quality improvement, variety expansion and consumption reduction so that the second generation Hot strip mills have undergone a shift in operational technology. Advanced rolling processes such as direct rolling (HDR), hot rolling (HCR) and free-process rolling (SFR) have been developed. In order to more effectively promote the use of these technical innovations in operation, along the rolling process line all the relevant equipment technology proposed supporting requirements. Then opened again