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Water gap dredging method and water gap dredging device

A nozzle and oxygen blowing tube technology, applied in the configuration of indicating equipment/measuring equipment, manufacturing tools, casting melt containers, etc., can solve the problems of low dredging efficiency, backflow and splash of steel slag, unclean removal of steel slag, etc., and achieve the dredging effect Good, high dredging efficiency, avoiding the effect of steel slag splashing and hurting people

Pending Publication Date: 2022-06-28
SGIS SONGSHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But now the dredging nozzles are all manually operated, the dredging efficiency is low, the removal of steel slag is not clean, and the steel slag may backflow and splash and hurt people during oxygen blowing, which poses a great safety hazard

Method used

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  • Water gap dredging method and water gap dredging device
  • Water gap dredging method and water gap dredging device
  • Water gap dredging method and water gap dredging device

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Embodiment Construction

[0025] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

[0026] Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings are not intended to limit the scope of the invention as claimed, but are merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary s...

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Abstract

The invention discloses a water gap dredging method and a water gap dredging device, and relates to the technical field of steelmaking. The oxygen blowing pipe is controlled to move in the direction extending into the ladle nozzle; detecting the blocking condition in the water gap, and if the water gap is blocked by the steel slag, controlling the oxygen blowing pipe to blow through the water gap; and controlling the oxygen blowing pipe to circumferentially rotate along the inner wall of the water gap, and meanwhile, controlling the oxygen blowing pipe to blow oxygen into the water gap so as to remove residual steel slag on the inner wall of the water gap. Compared with the prior art, the water gap dredging method provided by the invention adopts the steps of controlling the oxygen blowing pipe to circumferentially rotate along the inner wall of the water gap and simultaneously controlling the oxygen blowing pipe to blow oxygen into the water gap so as to remove the residual steel slag on the inner wall of the water gap, so that the steel slag in the water gap can be thoroughly removed, the dredging efficiency is high, and the dredging effect is good; and the situation that steel slag splashes to hurt people is avoided, and safety and reliability are achieved.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a nozzle dredging method and a nozzle dredging device. Background technique [0002] At present, in the steelmaking process, after the molten steel in the ladle is poured, the hydraulic mechanism is used to close the nozzle. At this time, due to the decrease in temperature, the remaining molten steel solidifies into solid slag and fills the nozzle. In order to facilitate the next use of the ladle, it is necessary to melt and dredge the steel slag in the nozzle by burning oxygen, and blow the liquid steel slag into the ladle to realize the re-opening of the nozzle. However, now the dredging nozzles are all operated manually, the dredging efficiency is low, the steel slag is not cleaned cleanly, and the steel slag may flow backward and splash and hurt people when blowing oxygen, which poses a great safety hazard. [0003] In view of this, it is particularly important to design...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/58B22D2/00
CPCB22D41/58B22D2/00B22D41/001Y02P10/20
Inventor 蓝应华刘平罗定光余衍丰欧国枫林基鹏温必坚潘光军宋美微黎莉刘剑峰
Owner SGIS SONGSHAN CO LTD
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