grooveless rolling

2022-06-23

　　The method of rolling billets and bars on flat rolls without grooves is also called flat roll rolling, round edge rectangular rolling or grooveless rolling. 　　Square billet, square steel and round steel are generally roll...

Practice of hot pressing treatment technology for residual heat from rolling crushing of steel slag

2022-06-23

　　Abstract: China has a large amount of steel slag, and the environmental protection requirements are becoming increasingly strict. The cleaning treatment and resource utilization of steel slag are becoming increasingly urgent....

Analysis and Discussion on activity of blast furnace hearth

2022-06-23

　　Modern blast furnaces are developing towards large furnace capacity and high production efficiency. As a resource and energy intensive blast furnace ironmaking process, the essence of improving the activity of blast furnace h...

Summary of national steel plant production reduction and maintenance information

2022-06-22

　　In recent days, the market price has been dropping rapidly and the production profit of steel mills has been squeezed continuously. The number of steel mills with maintenance and production reduction under the state of loss h...

Installation and adjustment of guide

2022-06-22

　　Adjustment of round steel and threaded guide: 　　1) Single line part 　　1. During the adjustment of all imported rolling guides, the guide roller of the guide must be consistent with the rolling center line of the guide...

Practice of the first stage of magnetic separation of steel slag in Honggang

2022-06-22

　　Abstract: steel slag contains not only high iron content, but also high Cao and MgO, which are indispensable elements in iron and steel production. The resource utilization of steel slag, on the one hand, can reduce the produ...