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System for replacing blast furnace activity main trough and replacement method therefor

A replacement method, the technology of the main iron trough, applied in the field of metallurgical industry, can solve the problems of high technical requirements for workers, large casthouse platform space, long working time, etc., so as to save investment, improve production efficiency and save working time Effect

Inactive Publication Date: 2009-06-03
CISDI ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This hoisting method needs to be equipped with a large crane, and the operation time is long, which requires high technical skills for the workers; on the other hand, hoisting with a crane will occupy a large space on the casthouse platform, which gives the layout and layout of the iron yard platform. The plant structure puts forward higher requirements and increases related investment

Method used

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  • System for replacing blast furnace activity main trough and replacement method therefor
  • System for replacing blast furnace activity main trough and replacement method therefor
  • System for replacing blast furnace activity main trough and replacement method therefor

Examples

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Embodiment 1

[0029] Embodiment 1: as Figure 1 to Figure 5 As shown, a blast furnace movable main iron channel replacement system, the system includes a casthouse platform 7 for transporting the main iron channel; a support beam 4; a lifter 5; a hoisting cable 3; a lifting beam 6; the lifting beam 6 The two ends of each are provided with hoisting cable through holes 12; flatbed truck 1; connection plate 9, and bolts 10 and nuts 11 that are matched with the connection plate 9.

[0030] When it is necessary to replace the movable main iron trough of the blast furnace, the components included in the above-mentioned system are operated according to the following steps: (1) two support beams 4 are installed on the casthouse platform 7; (2) two supports of each support beam 4 (3) One end of the hoisting rope 3 is clamped in the hoisting device 5, and the other end passes through the hoisting rope through hole 12 of the hoisting beam 6 so as to connect with the connecting plate 9 Fasten the conn...

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Abstract

The invention relates to a system for replacing a blast furnace activity main trough, which is characterized in that the system comprises a cast house platform (7), a support beam (4) arranged on the cast house platform (7), a raiser arranged on the support beam (4), a lift cable (3) with the head end tightly clamped in the raiser (5), and a platform lorry (1) used for transporting the main trough. At the same time, the invention relates to a method for replacing the blast furnace activity main trough. The replacement system and the replacement method have the advantages of higher working performance, safety and reliability; the occupied space of the cast housing platform is small; and no extra investment is needed.

Description

technical field [0001] The invention belongs to the technical field of metallurgical industry, and relates to a replacement system and method for a movable main iron trough of a blast furnace. Background technique [0002] The main iron trough of the blast furnace is an important part to realize the separation of iron slag. Due to the erosion of iron slag, the lining of the main iron channel is easily damaged and requires regular maintenance. In the past, the fixed main iron channel was often used, that is, the main iron channel was fixed on the casthouse platform, and the inner lining was stacked, sprayed and baked on site. This process takes a long time and affects the normal tapping of the blast furnace. In order to ensure the tapping cycle of the blast furnace, it must be satisfied by increasing the number of iron channels. In recent years, active main iron channels have appeared, and the maintenance time of the main iron channels can be shortened by replacing the main...

Claims

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Application Information

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IPC IPC(8): C21B7/14
Inventor 郑军唐小葳彭学元
Owner CISDI ENG CO LTD
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