A Method for Aligning Longitudinal Seams Between Shells of Hot Blast Stoves

A technology for hot blast stoves and furnace shells, applied in the field of longitudinal seam alignment devices between hot blast stove shells, which can solve the problems of thick hot blast stove shells and inconvenient alignment welding of furnace shells, etc., so as to facilitate subsequent welding, improve construction quality, and manufacture simple effect

Active Publication Date: 2022-04-29
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the shells of the hot blast stove are thick and heavy, and it is inconvenient to align and weld the shells, the invention provides a device and method for aligning the longitudinal seams between the shells of the hot blast stove. And ensure the alignment effect, improve the construction efficiency

Method used

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  • A Method for Aligning Longitudinal Seams Between Shells of Hot Blast Stoves
  • A Method for Aligning Longitudinal Seams Between Shells of Hot Blast Stoves
  • A Method for Aligning Longitudinal Seams Between Shells of Hot Blast Stoves

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Embodiment 1

[0039] A device for aligning longitudinal seams between shells of a hot blast stove in this embodiment includes a main alignment mechanism and an auxiliary alignment mechanism. The main alignment mechanism is arranged inside the furnace shell 1 and includes turnbuckle bolts 2, holding rods 3 and positioning blocks 4; The alignment mechanism is arranged on the outside of the furnace shell 1 and includes a positioning block 5 , a lanyard 6 and a chain hoist 7 . Because the furnace shell 1 is large and heavy, it is laborious to move. In this embodiment, the furnace shell 1 longitudinal seam is equipped with two sets of main alignment mechanism and auxiliary alignment mechanism from top to bottom, which can be operated at the same time to align the longitudinal seam. The main alignment mechanism and the auxiliary alignment mechanism are taken as examples for specific description.

[0040] combine figure 1 , the positioning block 4 is made of a steel plate whose length*width*thick...

Embodiment 2

[0047] The steps for aligning using the longitudinal seam alignment device of embodiment 1 are:

[0048] Step 1, lifting the multi-piece furnace shell 1, and roughly assembling the furnace body, and welding the positioning block 4 and the positioning stopper 5;

[0049] Step 2. According to the distance between the two positioning blocks 4 that have been installed, screw the screw rods at both ends of the turnbuckle 2 until the hook whose length can meet the screw rod can be hooked into the hole set on the positioning block 4;

[0050] Using the fulcrum principle, the dynamic holding rod 3 is rotated from top to bottom to drive the elliptical frame of the turnbuckle bolt 2 to rotate, so that the screws at both ends tighten each other due to the rotation; the positioning block 4 is pulled by the screw hook of the turnbuckle bolt 2, Drive the furnace shell 1 to tighten and align to meet the welding distance;

[0051] It is worth noting that, at this time, the positioning stoppe...

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Abstract

A device and a method for aligning longitudinal seams between shells of a hot blast stove according to the invention belong to the technical field of installation and adjustment of metallurgical equipment. It includes a main alignment mechanism and an auxiliary alignment mechanism. The main alignment mechanism includes turnbuckle bolts, holding rods and positioning blocks. The positioning blocks are arranged on both sides of the longitudinal seam of the furnace shell and on the inner side of the furnace shell. The hook is hooked into the hole opened on the positioning block, and the holding rod is inserted into the oval frame of the turnbuckle to rotate, so that the distance between the smaller longitudinal seams of the furnace shell is reduced to achieve the alignment of the longitudinal seams. The auxiliary alignment mechanism includes a positioning block and a chain hoist. The positioning block is arranged on both sides of the longitudinal seam of the furnace shell and on the outside of the furnace shell. The chain block is hooked into the positioning block and the chain block can be adjusted. Reduce larger seam pitches and align using the main alignment mechanism. The invention comprehensively considers the size of the seam distance, so that the alignment work can be carried out smoothly, the operation is convenient, and the construction quality and construction efficiency are improved.

Description

technical field [0001] The invention relates to the technical field of installation and adjustment of metallurgical equipment, and more specifically relates to a device and method for aligning longitudinal seams between shells of a hot blast stove. Background technique [0002] The hot blast stove shell, as an important part of the hot blast stove body, plays an extremely important role. In the hot blast stove installation project of the ironmaking system in the metallurgical industry, the hot blast stove shell is usually made into pieces in the factory and transported to the construction site, and then assembled on the assembly platform, and then hoisted for installation. The alignment accuracy and speed of the longitudinal seam of the hot blast stove shell directly affect the subsequent installation of the hot blast stove body. [0003] Since the shell of the hot blast stove is generally 35mm-40mm thick or even thicker, it is temporarily placed after transportation to the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/04B23K31/02
CPCB23K37/0443B23K31/02
Inventor 胡巍单博龙
Owner CHINA MCC17 GRP
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