Method for installing steel ring of bell-less top distributor of blast furnace

Method for installing steel ring of bell-less top distributor of blast furnace

The invention discloses a blast furnace bell-less top distributing device steel ring installation method, which provides a furnace throat gas sealing cover and a distributing device steel ring, a flange plate is arranged above the furnace throat gas sealing cover, and the method comprises the follow...

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Hauptverfasser: XIE ZIFENG, BAI DECHUN, YANG GUOXIN, LI MINGXING, DONG HUAWEN, WEN YUANQUAN, LU LIUQING, TANG XINMING, LI WEI, HAN HAIGANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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creator XIE ZIFENG
BAI DECHUN
YANG GUOXIN
LI MINGXING
DONG HUAWEN
WEN YUANQUAN
LU LIUQING
TANG XINMING
LI WEI
HAN HAIGANG
description The invention discloses a blast furnace bell-less top distributing device steel ring installation method, which provides a furnace throat gas sealing cover and a distributing device steel ring, a flange plate is arranged above the furnace throat gas sealing cover, and the method comprises the following steps: step 100, placing the distributing device steel ring above the flange plate, and adjusting the position of the distributing device steel ring to enable the upper surface of the distributing device steel ring to be horizontal; an annular to-be-welded gap is formed between the distributor steel ring and the flange plate; and 200, at least two welding starting points are evenly selected on the annular gap to be welded, an operation area is formed between every two adjacent welding starting points, all the welding starting points are synchronously welded in the clockwise or anticlockwise direction, and welding seams in every two adjacent operation areas are connected. All the welding starting points are sync
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subjects CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
title Method for installing steel ring of bell-less top distributor of blast furnace
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