Suspected of violating laws and regulations! Shagang Group and its chairman were punished!

2022-06-10

　　Jiangsu Shagang Co., Ltd. (hereinafter referred to as Shagang Co., Ltd.) announced on May 10 that its controlling shareholder Jiangsu Shagang Group Co., Ltd. (hereinafter referred to as "Shagang Group") had received...

Optimization of double length cutting program of flying shear and common fault treatment

2022-06-10

　　1. Basic functions and composition of flying shear 　　In this rolling line, the flying shear is an important part of the auxiliary transmission equipment in the production line, which has a great impact on the normal produ...

Causes of strip steel surface defects and preventive measures

2022-06-10

　　Loose sand sheet iron 　　Shapes that appear: 　　The iron sheet is dark brown, round and fine, distributed in loose sand 　　Cause of occurrence: 　　1) The high-temperature rolled piece is rolled on the roll with ro...

Proposal and analysis of critical thickness of secondary cooling shell

2022-06-10

　　Concept of critical thickness of secondary cooling 　　After the primary cooling of the crystallizer, the solid billet shell formed in the crystallizer is wrapped with high-temperature molten steel and enters the secondary ...

Technical progress of blast furnace ironmaking in Xuanhua Iron and Steel Co., Ltd

2022-06-10

　　1. Foreword 　　At present, Xuanhua Iron and Steel Co., Ltd. has 3 blast furnaces, 2500m3 × 2+2000m3 × 1。 In recent years, the former process of Xuanhua Iron and Steel Co., Ltd. has taken many measures at the sa...

Exploration and practice of distribution matrix for No. 1 BF of Han steel

2022-06-10

　　Abstract: the distribution matrix is an important means to adjust the burden system of blast furnace. Through continuous exploration and study of blast furnace distribution matrix, combining theory with practice, Han Steel No...