Method for mounting and dismounting product welding test piece during spherical tank heat treatment

Method for mounting and dismounting product welding test piece during spherical tank heat treatment

The invention relates to a mounting and dismounting method for a product welding test piece during spherical tank heat treatment, and belongs to the technical field of spherical tank heat treatment. The mounting method comprises the following steps: S1, preparing a product welding test piece of the...

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Hauptverfasser: LEI WEIWEI, CHEN YANHUA, NIU ZONGZHI, SHAN TISHI, JI PENG, ZHOU ZHIGUO
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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creator LEI WEIWEI
CHEN YANHUA
NIU ZONGZHI
SHAN TISHI
JI PENG
ZHOU ZHIGUO
description The invention relates to a mounting and dismounting method for a product welding test piece during spherical tank heat treatment, and belongs to the technical field of spherical tank heat treatment. The mounting method comprises the following steps: S1, preparing a product welding test piece of the spherical tank, and drawing a mark at a test piece placing position on the outer side of the wall of the spherical tank; and S2, welding a steel claw at the marked position, and putting a product welding test piece. And S3, a flat wedge is hit between the steel claw and the product welding test piece, and gaps in the other three directions except the upper portion of the periphery of the test piece are tightly plugged with a refractory material. S4, high-temperature sand is poured into a gap above the test piece, and jolt ramming is carried out. And S5, a heat preservation steel belt is installed along with the spherical tank, a refractory material is arranged, and heat treatment is conducted. And S6, after heat tr
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subjects CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
title Method for mounting and dismounting product welding test piece during spherical tank heat treatment
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