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Molten pool retainer of continuous casting billet flame cleaning machine

A technology of flame cleaning and retainer, which is applied in the field of metallurgy, can solve the problems of harsh working environment, dense staff, and large metal loss of billet cutting corners, etc., and achieve the effect of improving oxygen utilization rate, increasing oxygen concentration, and stabilizing cleaning quality

Active Publication Date: 2021-12-17
SHANGHAI DONGZHEN METALLURGY ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional artificial flame cleaning requires the continuous casting slab to be lower than 50°C, and requires a special area to stack the continuous casting slab, which has the disadvantages of harsh working environment, large dust, dense staff, low efficiency, a large amount of manpower, large quality fluctuations, and large heat loss. Realize problems such as "hot charging and hot delivery"; there are problems such as large metal loss and low operating efficiency in billet cutting

Method used

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  • Molten pool retainer of continuous casting billet flame cleaning machine
  • Molten pool retainer of continuous casting billet flame cleaning machine
  • Molten pool retainer of continuous casting billet flame cleaning machine

Examples

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Embodiment 1

[0016] Such as figure 1 and figure 2 As shown, the structure schematic diagram of the invention is given. The device is composed of retainer front retaining wall 1, retainer front 2, retainer middle 3, retainer rear 4 and installation rib 5, wherein: retainer front retainer Wall 1, holder front 2, holder middle 3, holder rear 4 are coaxially arranged; holder front 2, holder middle 3, holder rear 4 are in the direction opposite to the top opening of holder front 2 A 90° opening is opened on the top; the retaining wall 1 at the front of the retainer is two 1 / 4 round structures, connected to the front 2 of the retainer; the front 2 of the retainer is contracted, and the opening at the top of the front 2 of the retainer is equal The combination of waist trapezoid and semicircle, the opening angle is 25°-35°; the middle part 3 of the cage is cylindrical, and there is a mounting rib 5 on it; the rear part 4 of the cage is contracted, and the length is 210mm-240mm; Welding sealing...

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Abstract

The invention relates to a molten pool retainer of a continuous casting billet flame cleaning machine. The molten pool retainer comprises a retainer front retaining wall, a retainer front part, a retainer middle part, a retainer rear part and a mounting rib plate. The retainer front retaining wall is directly welded to the retainer front part, an opening is formed in the top of the retainer front part, the retainer front part is directly welded to the retainer middle part, the retainer middle part is connected with the mounting rib plate, and the retainer rear part is directly welded to the retainer middle part. The molten pool retainer is novel and reasonable in structure, can meet the requirements of restraining oxygen streams, improving the oxygen utilization rate, limiting the movement direction of steel slag and ensuring that a molten pool is stably pushed forwards when the corners of a continuous casting billet are cleaned, and can work for a long time.

Description

technical field [0001] The invention belongs to the field of metallurgy, and specifically relates to a molten pool holder for a continuous casting slab flame cleaning machine, which is specially used in the metallurgical industry to restrict oxygen streams, improve oxygen utilization, limit the direction of movement of steel slag, and ensure the stable advancement of the molten pool. Background technique [0002] With the continuous progress of society, people have higher and higher requirements for product quality, and the quality of continuous casting slab will directly affect the performance and surface quality of subsequent products. There are defects such as surface transverse and longitudinal cracks, surface star-shaped cracks, surface slag inclusions, subcutaneous air bubbles and pores, deep vibration marks, surface depressions, etc. at the right-angled corners of the continuous casting slab, which will cause the edge of the hot-rolled coil to appear in the subsequent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/12
CPCB22D11/12
Inventor 张永强罗江威高爱云刘建林
Owner SHANGHAI DONGZHEN METALLURGY ENG TECH
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