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A device for removing iron oxide and improving the detection rate of surface problems and its operation process

A technology of iron oxide and detection rate, which is applied in the direction of workpiece cleaning device, workpiece surface treatment equipment, manufacturing tools, etc., can solve the problems of ultra-thin strip iron oxide falling off and undetectable, achieve small transformation, improve detection rate, The effect of accurate identification

Active Publication Date: 2022-07-08
SHAGANG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a device for removing iron oxide and improving the detection rate of surface problems and its operation process, which is suitable for ultra-thin strip products, and solves or partially solves the problem of iron oxide falling off on the surface of ultra-thin strips and the lack of The problem that the recognition surface detector cannot detect

Method used

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  • A device for removing iron oxide and improving the detection rate of surface problems and its operation process
  • A device for removing iron oxide and improving the detection rate of surface problems and its operation process
  • A device for removing iron oxide and improving the detection rate of surface problems and its operation process

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Embodiment 1

[0021] A device for removing iron oxide and improving the detection rate of surface problems, including ultra-thin strip casting and rolling process lines, such as figure 1 As shown, it also includes an iron oxide powder collection device 2, a compressed air pipeline 3, a high-pressure nozzle 4, an air compression pump 5 and a steel strip 1 to be cleaned. The line moves forward and passes through the iron oxide powder collecting device 2; the compressed air pipeline 3 is arranged above and below the outlet of the iron oxide powder collecting device 2, and the compressed air pipeline 3 is connected with the air compression pump 5; the The high-pressure nozzle 4 is arranged on the compressed air pipeline 3, and the nozzle of the high-pressure nozzle 4 is at 30° to the surface of the steel strip 1 to be cleaned.

[0022] In this embodiment, the number of the high-pressure nozzles 4 is 18, which are divided into groups of 9 and arranged above and below the steel strip 1 to be clea...

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Abstract

The invention discloses a device for removing iron oxide and improving the detection rate of surface problems and its operation process. The device includes an ultra-thin strip casting and rolling process line, and is characterized in that it also includes an iron oxide powder collecting device, a compressed air pipeline, a High-pressure nozzle, air compression pump and steel strip to be cleaned, the steel strip to be cleaned advances along with the ultra-thin strip casting and rolling process line, and passes through the iron oxide powder collection device; the compressed air pipeline is arranged in the iron oxide powder Above and below the outlet of the powder collecting device, the compressed air pipeline is connected to an air compression pump; the high-pressure nozzle is arranged on the compressed air pipeline, and the nozzle of the high-pressure nozzle is connected to the surface of the steel strip to be cleaned at 30°. The device is suitable for ultra-thin strip products, which can ensure that the surface of the strip is clean, ensure the efficient use and accurate identification of the surface detector, and ensure a clean production environment.

Description

technical field [0001] The invention belongs to the technical field of Castrip steel strips (ie, ultra-thin strips), and in particular relates to a device for removing iron oxide and improving the detection rate of surface problems and an operation process thereof. Background technique [0002] In the prior art, compared with the conventional traditional hot coil, the ultra-thin strip greatly simplifies the process flow. The equipment length is 52m, which is only one tenth of the traditional hot rolling. Therefore, the descaling system in each process of hot continuous rolling is not Not set up in ultra-thin strip casting lines. As we all know, the iron oxide on the surface of the steel is generally composed of three kinds of iron oxides, from the inside to the outside are FeO, Fe 3 O 4 , Fe 2 O 3 , and most of the ultra-thin cast strips are in the protection of inert gas before rolling, and they are rolled in a single stand, so the time they are exposed to air in the hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B45/06B21B45/02
CPCB21B45/06B21B45/0275Y02P70/10
Inventor 井喜林孟静陈嘉宇常帅
Owner SHAGANG GROUP
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