Cast iron ladle building process

Abstract

The invention discloses a ladle building process for a cast iron ladle. The ladle building process comprises the steps that S1, manufacturing an inner mold; S2, manufacturing a refractory casting material; S3, pouring the ladle bottom of the ladle body by means of a refractory pouring material ; S4, loading the inner mold into a ladle body, then pouring the ladle wall of the ladle body by using the refractory pouring material, wherein a lining is formed on the ladle wall and the ladle bottom; S5, demolding the manufactured ladle; s6, baking the manufactured ladle. According to the ladle building process for the cast iron ladle, the service life of the ladle can be prolonged.

Description

technical field [0001] The invention belongs to the technical field of molten iron ladles, in particular, the invention relates to a ladle construction process of cast iron molten iron ladles. Background technique [0002] At present, the ladle widely used in my country's cast iron production industry is mainly composed of a shell and an inner lining. The shell is made of 10mm thick steel plate. A layer of high-alumina bricks is built on the inside of the shell, and then a layer of refractory mud is applied. Coated with a layer of graphite paint, the lining has a short service life, generally 30-35 furnaces. The main reasons for the short service life are: first, due to local burn-through, the phenomenon of ladle leakage occurs; second, as the number of taps increases, a large amount of slag iron sticks to the bottom of the ladle, and the slag gradually melts to form impurities, which are poured into the cavity with molten iron . A large amount of slag iron sticks to the bo...

AI Technical Summary

Problems solved by technology

[0002] At present, the ladle widely used in my country's cast iron production industry is mainly composed of a shell and an inner lining. The shell is made of 10mm thick steel plate. A layer of high-alumina bricks is built on the inside of the shell, and then a layer of refractory mud is applied. Coated with a layer of graphite paint, the lining has a short service life, generally 30-35 furnaces

The main reasons for the short service life are: first, due to local burn-through, the phenomenon of ladle leakage occurs; second, as the number of taps increases, a large amount of slag iron sticks to the bottom of the ladle, and the slag gradually melts to form impurities, which are poured into the cavity with molten iron

A large amount of iron slag sticks to the bottom of the ladle, and the volume of the molten iron ladle becomes smaller, resulting in the scrapping of the ladle

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