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Changxing jinyuan refractory material co. LTD

Contact: Mr. Zhou

Telephone: 0572-6123992

Hand machine: 18657298080

Email address: jznh5116@163.com

Website: en.cxjynhcl.com

Address: wang bang tou industrial park, taihu street, changxing county, huzhou city, zhejiang province


What factors affect the use of refractory bricks

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What factors affect the use of refractory bricks

Date of release:2018-08-01 Author: Click:

Blast furnace hearth firebrick is a kind of material with good refractory properties, which can be well used in high-temperature environment. Therefore, it is often used in various high-temperature kilns and furnaces. In order to make better use of firebrick for blast furnace hearth, people should know which factors influence the use of firebrick.



The inner lining of the hearth of the blast furnace is lined with refractory bricks to form a space for smelting, which is in direct contact with the molten iron. The lining of the hearth is damaged by various factors, which can be divided into two categories: one is determined by its own characteristics in the smelting process of the blast furnace and it is a continuous factor; the other is the structural factor of the laying of refractory bricks. As a firebrick manufacturer, ruiwo refractory materials try their best to design the shape of firebrick, control the masonry structure of firebrick, and slow down the damage of hearth firebrick lining in the process of blast furnace smelting.



For the first factor, there are three main aspects, one is high temperature; First, the mechanical erosion and wear of molten iron and slag iron; Finally, the chemical erosion of refractory brick lining by the chemical substances in molten iron and slag iron. Under high temperature environment, firebrick is used in the inner lining of hearth. If the high temperature in hearth exceeds the use temperature of firebrick, it will melt and corrode the firebrick. The mechanical washing of molten iron and slag iron into the hearth causes the inner lining of the hearth to wear out due to the inner and outer pressure of the hearth during the tapping process. The corrosion of FeO and MnO in molten iron and slag iron affects the consumption of the inner lining of hearth refractory brick.





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For the second factor, can design better for blast furnace ironmaking enterprise good quality firebrick, refractory brick type and production to provide professional design services for blast furnace hearth, the integrity of the control after the brick masonry and control fire brick masonry cracks, avoid molten iron to blast furnace hearth refractory brick long-term seepage erosion, avoid hearth refractory erosion after loosening, appear floating firebrick lining brick, affect the normal blast furnace anterograde.



The above is a simple analysis of the reasons for the damage of the furnace hearth firebrick lining. One is the inevitable damage in the smelting process.


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Key word:耐火砖,耐火砖批发,耐火砖厂家直销

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