A secondary pouring process for continuous casting tundish
A continuous casting tundish and tundish technology, applied in the field of continuous casting in the metallurgical industry, can solve the problems affecting the production of iron and steel enterprises, reduce the service life of the tundish, etc., so as to reduce the consumption of continuous casting refractory materials and ease the supply of the tundish. Tension, ensure the antegrade effect of production
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[0032] The present invention will be further described below by example.
[0033] A continuous casting tundish secondary pouring process, the continuous casting tundish secondary pouring refers to a tundish with a rated service life greater than 20 hours, within 12 hours after the tundish is poured once, due to an accident, Cause the tundish to stop pouring, and start pouring again within 3 hours. The first pouring of the tundish means that the tundish pours molten steel into the crystallizer for the first time for pouring. The scope of the accident treatment time is different. Continuous casting tundish two Different operations are used for each pouring;
[0034] When the accident processing time is 0<t≤10 minutes, perform the following operations:
[0035] (1) Before the pouring of the tundish is stopped, the tundish should be slag-discharged so that the thickness of the slag layer is less than 10 mm, and the tundish covering agent is no longer added;
[0036] (2) When the...
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