Device and method for detecting blockage degree of submersed nozzle

A detection method and detection device technology, applied in the direction of measuring devices, radiation pyrometry, fluid tightness testing, etc., can solve the problems of low detection efficiency, lagging detection data, and inability to detect the degree of clogging of water outlets, etc.

Active Publication Date: 2020-09-18
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 blockage degree of submersed nozzle
  • Device and method for detecting blockage degree of submersed nozzle
  • Device and method for detecting blockage degree of submersed nozzle

Examples

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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 device and method for detecting the blockage degree of a submersed nozzle. A supporting base nozzle is placed on a supporting base; afixing piece is connected with the supporting base and used for fixing the nozzle to the supporting base, and an outlet of the nozzle is located above the supporting base; a lens of the infrared camera is arranged opposite to the supportingbaseand is used for shooting a nozzle outlet picture fixed on the supporting base; and apicture analyzer is connected with the infrared camera and is used for carrying out data analysis on pictures shot by the infrared camera. The technical problems that in the prior art, the detection efficiency is low, the blockage degree of a nozzle cannot be detected at the first time after casting is completed, and detection data lag exists are solved. Infrared imaging is matched with picture processing at the first time after casting is completed, the blockage degree of the nozzle can be quantified, nozzle blockage data can be obtained online in real time, and the technical effect of improving the timeliness of nozzleblockage data detection is achieved.

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 Applications(China)
IPC IPC(8): G01J5/00B22D2/00G01M3/00
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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