Main factors affecting using life of blast furnace bottom and hearth

1.Design structure: Resonable design structure (salamander depth, material selection and arrangement) is the foundation of safety and long service life of blast furnace bottom and hearth.
2.Refractory raw material quality: Refractory material quality is the promise of safety and long service life of furnace bottom and hearth.The higher the price, the better the quality of the merchandise.In this respect, we have many lessons.
3.Construction quality:The quality of construction and material quality are equally important(Flatness of flat steel and screed、Gap and integrity of carbon brick、The density of ramming material and so on）.
4.Operation level：Improper operation will cause the hearth to be inactive , coke duichen sitting dead,the circulation of molten iron in hearth is aggravated. All these will affect the service life of furnace hearth.
5.Monitoring means: Only through modern monitoring methods, timely monitoring of the erosion of the hearth, the trend of development, to know the situation, and know why, so that we can nip in the bud.
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Article Source:Refractory castable material inspection before construction
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
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