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1,Cause Analysis of Damage
(1) The main trough is under the combined action of periodic high-speed, high-temperature molten iron and a large amount of corrosive slag,The main part of erosion is slag line part,two concave grooves appeared.the other parts are less damaged.the erosion of the lower wire area is mainly caused by mechanical erosion of molten iron, while the slag line area is mainly caused by oxidative decarbonization and chemical erosion.
(2) The main reason for the spalling of product structure is that the groove lining is heated on one side in the process of use.There is a temperature gradient in the product, and the strength of the product changes at different temperatures.Unbalanced organizational structure leads to structural exfoliation under thermal shock.
2,Solutions
(1)Reasonable control of material matrix composition, high Aluminization of matrix, volume expansion, offset sintering shrinkage, so as to make the volume change of sintering layer, transition layer and protoplasm layer as much as possible, and reduce the structure spalling.
(2)Reasonable control of the sintering strength and thermal expansion coefficient of the product to ensure anti-erosion and anti-spalling requirements.
(3)The low cement Al2O3-SIC-C fast drying castable with corundum, silicon carbide and asphalt as main raw materials satisfies the application requirements well.
3,Index ofRamming Mass for Iron Trough:
4.Good feedback of product use effect,the products have been exported to Australia, Kenya, Mexico
5.We are a professional supplier, who can provide customers with free product technology, use and other issues.
Do you want to find a professional supplier of castable products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
We will participate in every Factory Price Ramming Mass Silica for Induction Furnace Blast Runner fair, bringing our masterpieces and representative products, for we believe this is the greatest return for your support! We strive to be strong to promote the development of the industry and the progress of society and contribute our due strength based on the local, facing the world. Up to now, our company has developed into a mature company based on independent research and technological development and oriented to the market such as accumulation, continuous innovation.
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