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Research on technology of reducing consumption and improving efficiency of rolling reheating furnace
2022-06-15
Heating furnace is an important thermal equipment in the production of iron and steel industry. It plays a very important role in steel rolling production. Its energy consumption accounts for 6% of the total energy consumptio...
Characteristics and working principle of six high mill
2022-06-14
The traditional four high mill is a technology in the field of plate and strip rolling. With the increasing requirements for plate accuracy and shape, especially for the dimensional accuracy of strip, the shape control abilit...
Cause analysis of iron oxide scale in steel rolling
2022-06-13
In the surface quality of hot rolled products, the pressing defect of iron oxide scale is a headache in the product quality of many factories. After pickling, the iron oxide scale pressed into the surface leaves small pits wi...
Discussion on oxidation of billet in heating furnace
2022-06-13
Abstract: in this paper, the mechanism, causes and influencing factors of iron oxide scale formation during + billet heating in the heating furnace are briefly discussed, and some measures and methods to reduce oxidation burn...
Causes and effects of iron oxide scale formation
2022-06-11
Iron oxide scale is a layer of metal oxide attached to the metal surface when the metal is heated, heat treated or processed in a hot state. Due to the difference of metal composition, surface temperature, heating and cooling...
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...
Changes in steel when heated
2022-03-24
Most of the heat treatment of steel needs to be heated to obtain austenite, and then cooled at different speeds to transform the austenite into different structures to obtain different properties of the steel. Therefore, to mas...
Automatic control of high pressure water descaling system
2022-03-24
0 Preface In the production process of hot-rolled steel, the furnace pig iron oxide scale on the surface of the billet is one of the main reasons for affecting the surface quality of the steel. Due to its existence, various p...
Basic knowledge about continuous pipe mills
2022-03-24
What is a continuous rolling mill? Continuous tube rolling mill is a high-efficiency rolling mill for producing medium and small diameter seamless steel tubes. It is to sleeve the perforated capillary on a mandrel, and pass t...
Production practice of reducing cost of red steel bar and rebar production line
2022-03-24
Abstract: This paper introduces the difficulties faced by the cost control of the bar production line in the rolling mill of Honghe Iron and Steel Co., Ltd. The equipment level of the bar production line is not high, the supply...
Application and practice of fixed-length shearing in high-quality bar production line
2022-03-24
1 Overview of production status Xuangang's high-quality bar production line was officially put into production in March 2012. This production line is currently a professional production line in domestic technology and aut...
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15358968703