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A device for removing zinc pot bottom slag

A technology of zinc pot and zinc liquid, which is applied in the direction of coating, metal material coating process, hot-dip galvanizing process, etc., can solve the problems of poor operability, complex structure, and low efficiency of slag removal, and achieve a simple structure and easy replacement Effect

Active Publication Date: 2019-09-27
宝钢日铁汽车板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Complex structure, poor operability and low slag removal efficiency

Method used

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  • A device for removing zinc pot bottom slag
  • A device for removing zinc pot bottom slag
  • A device for removing zinc pot bottom slag

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Embodiment Construction

[0040] The device for removing zinc pot bottom slag according to the present invention will be further explained below in conjunction with the accompanying drawings and specific examples, but the explanation does not constitute an improper limitation to the technical solution of the present invention.

[0041] figure 1 It shows the structure of the device for removing zinc pot bottom dross in one embodiment of the present invention. Such as figure 1As shown, the edge of the zinc pot is provided with a pot edge backing plate 5, and the device for removing the slag at the bottom of the zinc pot is located in the zinc pot. The device for removing the bottom of the zinc pot includes a nitrogen gas introduction pipe 2, a suction main pipe 3 and a filter basket 4. The nitrogen pipe 1 and the nitrogen inlet pipe 2 are connected at the 90-degree elbow of the nitrogen pipe 1, wherein the nitrogen pipe 1 is provided with a pressure reducing valve 11 and a manual stop valve 12, and the...

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Abstract

The invention discloses a zinc pot bottom slag removing device which comprises a pumping main pipe, a nitrogen leading-in pipe and a filtering basket, wherein a suction end of the pumping main pipe is arranged at the bottom of a zinc pot; the tail end of the nitrogen leading-in pipe is close to the part near the suction end of the pumping main pipe and stretches into the pumping main pipe; the filtering basket is arranged below a discharging hole of the pumping main pipe; a filter screen is arranged on the filtering basket; and nitrogen is pumped into the nitrogen leading-in pipe to enable negative pressure to be generated in the pumping main pipe so as to pump zinc slag and liquid zinc at the bottom of the zinc pot into the filtering basket, wherein zinc slag is kept in the filtering basket while the liquid zinc flows out of the filtering basket through the filter screen. The zinc pot bottom slag removing device utilizes the siphon principle, is simple in structure, does not need a motor or a power supply and only needs nitrogen to be led in; in addition, the pumping process can be stopped and started at any time; and moreover, the zinc pot bottom slag removing device can carry out filtration in a circulating manner, is convenient to use and is provided with the filtering basket convenient to dismantle.

Description

technical field [0001] The invention relates to a removal device, in particular to a zinc slag removal device. Background technique [0002] The zinc slag produced in the continuous hot-dip galvanizing process of strip steel mainly includes scum and bottom slag. According to statistics, 3% to 10% of zinc slag will be produced per ton of zinc ingot, which not only reduces the utilization rate of zinc, but also produces Zinc slag will also affect the quality of the galvanized coating due to adhesion on the surface of the coating. During the galvanizing process, the iron on the surface of the strip steel will continuously dissolve into the zinc bath, combine with the aluminum in the zinc bath to produce zinc slag and precipitate to the bottom of the zinc pot. The bottom dross keeps increasing, and when it accumulates to a certain amount, it needs to be cleaned up in time, otherwise, if the bottom dross height is too high, the zinc dross will roll in the zinc liquid and adhere ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/00C23C2/06C23C2/40
Inventor 王鲁李庆胜余基来朱炜
Owner 宝钢日铁汽车板有限公司
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