A ladle bottom blowing and ventilating brick removal device and its working method
A technology of air-permeable bricks and ladles, which is applied in the direction of manufacturing tools, metal processing equipment, casting melt containers, etc., and can solve the problems of reducing the service life of ladles, splashing of refractory materials, and damage of refractory materials, so as to achieve reduced workload and good stability , the effect of easy maintenance
Active Publication Date: 2016-01-20
BEIJING SHOUGANG INT ENG TECH
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Problems solved by technology
This method is easy to cause damage to the refractory material at the bottom of the ladle, thereby reducing the service life of the ladle, and the refractory material splashes during the removal of the ventilating brick, which is likely to cause confusion on site and even accidentally injure surrounding workers
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[0023] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited thereto.
[0024] The present invention includes a drill head 1, a drill rod 2, a drill tail 3, a drill holder 4, an impact mechanism 5, a work frame 6, a work frame hydraulic cylinder 7, a connecting pin 8, a carriage 9, a carriage hydraulic cylinder 10, and a workbench 11. Device center adjustment mechanism 12, longitudinal adjustment mechanism 13, control box 14, and horizontal adjustment mechanism 15.
[0025] The working process of the present invention is as follows: the center adjustment mechanism 12 of the adjustment device makes the center of the device roughly aligned with the center of the air brick 17; the carriage hydraulic cylinder 10 drives the work frame to advance 3500mm to the working position; the work frame hydraulic cylinder 7 drives the impact mechanism 5 and the drill rod 2 are ad...
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Abstract
The invention provides a steel ladle bottom blowing air block dismantling device and a working method thereof and belongs to the technical field of steelmaking supporting equipment. The steel ladle bottom blowing air block dismantling device comprises a drill bit, a drill rod, a bit shank, drill rod brackets, an impact mechanism, a working bench, a working bench hydraulic cylinder, a connecting pin, a slide carriage, a slide carriage hydraulic cylinder, a working table, a device center adjusting mechanism, a longitudinal adjusting mechanism, a control cabinet and a transverse adjusting mechanism. The mode that the working bench and the slide carriage are combined to push forward is adopted, the slide carriage hydraulic cylinder drives the working bench to push forward, and simultaneously the working bench hydraulic cylinder drives the drill rod and the impact mechanism to push forward. The working stroke of the drill bit is the total sum of the working stroke of the slide carriage hydraulic cylinder and the working stroke of the working bench hydraulic cylinder. The steel ladle bottom blowing air block dismantling device has the advantages that the hydraulic driving mode is mainly adopted for the device and auxiliary operation of a crane is not needed, so the workload of the crane is reduced; multiple adjusting mechanisms are adopted, so it is guaranteed that the device can accurately dismantle air blocks; the device is good in stability, high in efficiency and convenient to maintain; workers can dismantle the air blocks only by operating the control cabinet on site, and the security of the workers is ensured.
Description
technical field [0001] The invention belongs to the technical field of supporting equipment for steelmaking, and in particular relates to a device for removing ventilating bricks at the bottom of a ladle and a working method thereof. Background technique [0002] Ladle bottom blowing gas is a common method used by iron and steel plants to stir molten steel, uniform the composition and temperature of molten steel, and remove inclusions and harmful gases in molten steel. Bottom-blown air bricks are located at the bottom of the ladle, covered by molten steel, and the working conditions are very harsh. Due to the erosion of molten steel and the solidification of molten steel on the permeable brick, it is easy to cause the pores of the permeable brick to be blocked. Therefore, it is often necessary to replace the ventilation bricks. [0003] For a long time, there have been two representative methods for steel plants to replace ladle ventilation bricks. One way is to use a cra...
Claims
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IPC IPC(8): B22D45/00B22D41/00F27D1/16
Inventor 武国平宋宇孟国锦胡大江唐落谦方颖
Owner BEIJING SHOUGANG INT ENG TECH