Rapid hot standby method for tundish

Rapid hot standby method for tundish

The method comprises the following steps: pre-judging the process technology and the time required for equipment maintenance, raising the steel feeding temperature of a last furnace by 5 DEG C before hot standby, carrying out tundish deslagging, controlling the slag thickness of the tundish to be wi...

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Hauptverfasser: LIU JINGJUN, GE CHUANJUN, CHEN CHAO, WANG BING, SU QINGLIN, GUO CHUNQIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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creator LIU JINGJUN
GE CHUANJUN
CHEN CHAO
WANG BING
SU QINGLIN
GUO CHUNQIANG
description The method comprises the following steps: pre-judging the process technology and the time required for equipment maintenance, raising the steel feeding temperature of a last furnace by 5 DEG C before hot standby, carrying out tundish deslagging, controlling the slag thickness of the tundish to be within 40mm, carrying out tundish wall slag line inspection in the hot standby process, and requiring the tundish wall erosion to be less than 20mm and the current stabilizer to be more than 200mm; measuring the liquid level height of molten steel in the tundish after the large ladle is poured, stopping pouring of the tundish when the liquid level height reaches 150-250mm, rapidly driving the tundish vehicle to a baking position for big fire baking, and rapidly sealing a dummy ingot after a cast flow steel billet is pulled out; according to the rapid hot standby method for the tundish, the shutdown flow blocking time can be determined according to the liquid level height of the tundish, the molten steel remaining amo
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measuring the liquid level height of molten steel in the tundish after the large ladle is poured, stopping pouring of the tundish when the liquid level height reaches 150-250mm, rapidly driving the tundish vehicle to a baking position for big fire baking, and rapidly sealing a dummy ingot after a cast flow steel billet is pulled out; according to the rapid hot standby method for the tundish, the shutdown flow blocking time can be determined according to the liquid level height of the tundish, the molten steel remaining amo</abstract><oa>free_for_read</oa></addata></record>
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subjects CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
title Rapid hot standby method for tundish
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