Device and method for detecting clogging degree of submerged nozzle

A detection method and an immersion technology, which are applied in the detection of the clogging degree of the submerged nozzle and the detection device for the clogging degree of the submerged nozzle, which can solve the problems of inability to detect the clogging degree of the nozzle, lagging detection data, and low detection efficiency.

Active Publication Date: 2022-05-20
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a detection device and method for the clogging degree of the submerged nozzle, which is used to solve the low detection efficiency in the prior art, the inability to detect the clogging degree of the nozzle at the first time after the casting is completed, and the detection data lagging behind question

Method used

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  • Device and method for detecting clogging degree of submerged nozzle
  • Device and method for detecting clogging degree of submerged nozzle
  • Device and method for detecting clogging degree of submerged nozzle

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Embodiment 1

[0034] figure 1 It is a schematic structural diagram of a detection device for the clogging degree of a submerged nozzle in an embodiment of the present invention, as figure 1 As shown, a detection device for the clogging degree of an immersion nozzle, the device includes: a support base 1 , a fixing part 2 , an infrared camera 3 , and a picture analyzer 4 .

[0035]The nozzle is placed on the support seat 1; the fixing member 2 is connected to the support seat for fixing the nozzle on the support seat 1, wherein the outlet 5 of the nozzle is located on the support seat 1 above.

[0036] Further, the support seat 1 is a steel structure.

[0037] Further, there are two or more fixing pieces 2 .

[0038] Further, when there are two fixing pieces 2 , the fixing pieces 2 are respectively arranged at the upper end and the lower end of the support base 1 .

[0039] Specifically, the support base 1 is a steel structure used to support the submerged nozzle, and a support surface i...

Embodiment 2

[0044] A method for detecting the clogging degree of the submerged nozzle according to the embodiment of the present invention is applied to the detection device for the clogging degree of the submerged nozzle described in the first embodiment, figure 2 It is a schematic flowchart of a detection method for the clogging degree of a submerged nozzle according to an embodiment of the present invention, please refer to figure 2 , the method includes:

[0045] Step 1: Bake the unused nozzle, and fix the unused nozzle on the support base 1 with the fixing member 2, so that the outlet of the unused nozzle is within the shooting range of the lens of the infrared camera 3 .

[0046] Step 2: Use the infrared camera 3 to take photos of the outlet appearance of the nozzle to obtain a nozzle outlet picture, and transmit the nozzle outlet picture to the image analyzer 4 in real time.

[0047] Specifically, place the unused nozzle for baking on the support seat 1. Baking the unused nozzle...

Embodiment 3

[0061] The embodiment of the present invention provides a steelmaking process control method based on the clogging degree of the submerged nozzle, which is applied to the detection device for the clogging degree of the submerged nozzle described in the first embodiment and the clogging of the submerged nozzle described in the second embodiment In the detection method of the degree, the steelmaking process control method based on the clogging degree of the submerged nozzle includes:

[0062] Step S10: Obtain the detection result of the nozzle clogging degree;

[0063] Step S20: Obtain the nozzle blockage level according to the detection result of the nozzle blockage degree;

[0064] Specifically, utilize the method described in embodiment two to carry out real-time calculation to the area of ​​nozzle outlet by infrared camera 3 and image analyzer 4, utilize formula CI=1-A according to the outlet area before use and the outlet area after use / A0 is used as an index to evaluate ...

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Abstract

The invention discloses a detection device and method for the clogging degree of a submerged nozzle, comprising: the nozzle of a support seat is placed on the support seat; a fixing piece is connected with the support seat to fix the nozzle on the support seat; It is located above the support base; the lens of the infrared camera is arranged opposite to the support base, and is used to take pictures of the nozzle outlet fixed on the support base; the picture analyzer is connected with the infrared camera to analyze the data of the pictures taken by the infrared camera. It solves the technical problem that the detection efficiency is low in the prior art, the clogging degree of the nozzle cannot be detected at the first time after the casting is completed, and the detection data lags behind. Infrared imaging combined with image processing can be used as soon as the casting is completed to quantify the clogging degree at the nozzle, and obtain the clogging data online in real time, which has the technical effect of improving the timeliness of the nozzle clogging data detection.

Description

[0001] technology neighborhood [0002] The invention relates to the technical field of continuous casting, in particular to a detection device and a method for the clogging degree of a submerged nozzle. Background technique [0003] In the process of continuous casting of aluminum deoxidized steel, the blockage of the submerged nozzle is a significant technical problem. There are two hazards. One is that the blockage of the nozzle reduces the number of casting furnaces and increases the production cost; Involvement, resulting in deterioration of the surface quality of the subsequent steel plate. Therefore, it has always been the goal pursued by continuous casting workers to prevent nozzle clogging by optimizing steelmaking and continuous casting processes. [0004] Quantitative evaluation of nozzle clogging has always been a difficult research point. The prior art includes methods such as using the rubbing method to detect the clogging degree of the outlet of the nozzle, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/00B22D2/00G01M3/00G01J5/48
CPCG01J5/00G01M3/002B22D2/001G01J2005/0077G01J5/485
Inventor 邓小旋邵肖静朱国森刘柏松李海波吕迺冰潘宏伟季晨曦初仁生张宏艳尹娜刘国梁
Owner SHOUGANG CORPORATION
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