Crystallizer nozzle three-dimensional accurate positioning detection device

The three-dimensional precision positioning detection device for the crystallizer nozzle solves the positioning deviation problem in traditional positioning detection methods, achieves precise nozzle positioning, improves the uniformity of billet cooling and the service life of the crystallizer, and enhances billet quality and production stability.

CN223902888UActive Publication Date: 2026-02-13HBIS LAOTING STEEL CO LTD +2
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Patent Information

Application Number
CN202423172571.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Traditional methods for positioning and detecting nozzles on crystallizer spray racks suffer from large positioning deviations, are time-consuming and labor-intensive, and lead to uneven cooling of the cast billet. This can easily cause surface defects on the cast billet and problems such as cavitation and detachment of the copper plate at the bottom of the crystallizer, affecting the quality of the cast billet and the life of the crystallizer.

Method used

A three-dimensional precision positioning and detection device for crystallizer nozzles is adopted, which includes a lower connecting shaft, a left positioning plate, a right positioning plate, an upper connecting shaft, contact one, and contact two. By accurately detecting the X, Y, and Z distances and included angles of the nozzle, the three-dimensional positioning accuracy of the nozzle is ensured.

Benefits of technology

It achieves precise three-dimensional positioning of the nozzle, improves the uniformity of billet cooling, extends the service life of the copper plate in the crystallizer, enhances billet quality, and avoids production accidents.

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Abstract

The utility model relates to a three-dimensional accurate positioning detection device for a crystallizer nozzle, and belongs to the technical field of continuous casting key equipment in the metallurgical industry. According to the technical scheme, a left positioning plate (9) and a right positioning plate (10) are connected together through an upper connecting shaft (11) and a lower connecting shaft (6), one side face of the left positioning plate (9) and one side face of the right positioning plate (10) are first positioning faces (12) matched with a crystallizer, and a first contact (14) and a second contact (15) are connected with the left positioning plate (9) and the right positioning plate (10) respectively to form an integrated structure. The first contact (14) is perpendicular to the first positioning face (12) of the left positioning plate (9) and the first positioning face (12) of the right positioning plate (10), and the angle between the second contact (15) and the first contact (14) is the same as the included angle between the two nozzles in each set of the spraying frame. The three-dimensional positioning device has the advantages of being capable of conducting three-dimensional accurate positioning on the nozzle of the spraying frame of the crystallizer, meeting the casting blank cooling requirement and prolonging the service life of a crystallizer copper plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of crystallizer nozzle three-dimensional accurate positioning detection devices, belong to metallurgical industry continuous casting key equipment technical field. BACKGROUND

[0002] Slab crystallizer is the core equipment of continuous casting machine, high-temperature molten steel is cast into crystallizer, and a certain thickness value of shell is formed by cooling, but in order to ensure the safe operation of casting shell out of crystallizer, a spray frame is arranged at the outlet of the crystallizer to cool the shell of the casting shell, and then the thickness of the shell is increased to avoid the occurrence of the leakage accident of the crystallizer outlet.

[0003] The crystallizer spray frame is installed at the outlet of the crystallizer, as shown in the accompanying drawings Figures 1-5 The nozzles in the crystallizer spray frame include a plurality of groups facing the casting shell, each group has two nozzles, the distance X between the nozzle and the casting shell, the distance Y between the two nozzles, and the distance Z between the adjacent two groups of nozzles, and the diameter affects the uniformity of the cooling of the casting shell. Therefore, it is necessary to position the X, Y and Z of the nozzles of the crystallizer spray frame in three dimensions to ensure that the X, Y and Z meet the requirements of the crystallizer spray. The traditional positioning detection method is to use a box ruler to measure. The measurement is affected by the space on site, and a certain amount of positioning deviation will basically occur, which is time-consuming and laborious. This will cause the casting shell to be unevenly cooled, resulting in defects on the surface of the casting shell, gas corrosion and falling of the lower copper plate of the crystallizer, and other problems, which will have a great impact on the service life of the crystallizer and the quality of the casting shell. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a kind of crystallizer nozzle three-dimensional accurate positioning detection device, can be positioned to the nozzle of crystallizer spray frame in three dimensions, meet the cooling requirements of casting shell, prolong the service life of crystallizer copper plate, solve the problems in the background art.

[0005] The technical scheme of the utility model is:

[0006] A kind of crystallizer nozzle three-dimensional accurate positioning detection device, including lower connecting shaft, left positioning plate, right positioning plate, upper connecting shaft, contact one and contact two, left positioning plate and right positioning plate are connected together by upper connecting shaft and lower connecting shaft, one side of left positioning plate and right positioning plate is the positioning surface one matched with crystallizer, contact one and contact two are connected into an integrated structure with left positioning plate and right positioning plate respectively, the positioning surface one of contact one and left positioning plate and right positioning plate is vertically arranged, the angle between contact two and contact one is the same as the included angle between the two nozzles in each group of spray frame.

[0007] The end of the contact one close to the positioning surface one of left positioning plate and right positioning plate is in ladder type.

[0008] The upper connecting shaft and the lower connecting shaft are both provided with fastening nuts and adjusting gasket sets at both ends.

[0009] The distance between the left positioning plate and the right positioning plate is the same as the distance between the two groups of nozzles adjacent to the spraying frame.

[0010] The beneficial effects of the utility model are that the three-dimensional accurate positioning of the crystallizer spraying frame nozzles can be realized, the casting blank cooling requirements can be met, the casting blank cooling effect can be improved, the service life of the crystallizer copper plate can be prolonged, the quality of the casting blank can be improved, and the production accidents can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a use state schematic view of the utility model;

[0012] Figure 2 It is a use state schematic view of the utility model; Figure 1

[0013] Figure 3 It is a perspective view of the crystallizer spraying frame;

[0014] Figure 4 It is a front view of the crystallizer spraying frame;

[0015] Figure 5 It is a side view of the crystallizer spraying frame;

[0016] Figure 6 It is a front view of the utility model;

[0017] Figure 7 It is a side view of the utility model;

[0018] In the drawing: nozzle 1, crystallizer spraying frame 2, wedge key 3, crystallizer copper plate 4, crystallizer foot roller 5, lower connecting shaft 6, fastening nut 7, adjusting gasket set 8, left positioning plate 9, right positioning plate 10, upper connecting shaft 11, positioning surface one 12, positioning surface two 13, contact one 14, contact two 15. DETAILED DESCRIPTION

[0019] The utility model will be further described through examples in combination with the drawings.

[0020] Refer to the attached Figures 1-7 ​A three-dimensional accurate positioning detection device for a crystallizer nozzle comprises a lower connecting shaft 6, a left positioning plate 9, a right positioning plate 10, an upper connecting shaft 11, a contact 1 14 and a contact 2 15, the left positioning plate 9 and the right positioning plate 10 are connected together through the upper connecting shaft 11 and the lower connecting shaft 6, one side of the left positioning plate 9 and the right positioning plate 10 is a positioning surface 1 12 matched with the crystallizer, the contact 1 14 and the contact 2 15 are connected with the left positioning plate 9 and the right positioning plate 10 into an integral structure, the contact 1 14 is arranged perpendicularly to the positioning surface 1 12 of the left positioning plate 9 and the right positioning plate 10, and the angle between the contact 2 15 and the contact 1 14 is the same as the included angle between two nozzles in each group of the spraying frame.

[0021] In the embodiment, reference is made to the accompanying drawings Figures 1-5 The crystallizer spraying frame 2 is installed at the outlet of the crystallizer, the nozzles 1 in the crystallizer spraying frame are nine groups, each group has two nozzles, the included angle between the two nozzles in each group is α, the distance X between the two nozzles and the cast blank, the distance Y between the two nozzles, and the distance Z between the adjacent two groups of nozzles,

[0022] After the crystallizer spraying frame 2 and the crystallizer nozzle 1 are assembled, the whole is fixed on the off-line crystallizer.

[0023] Reference is made to the accompanying drawings Figures 1-7 The positioning detection device comprises a lower connecting shaft 6, a fastening nut 7, an adjusting gasket set 8, a left positioning plate 9, a right positioning plate 10, an upper connecting shaft 11, a positioning surface 1 12, a positioning surface 2 13, a contact 1 14 and a contact 2 15, the left positioning plate 9, the right positioning plate 10, the upper connecting shaft 11, the lower connecting shaft 6, the fastening nut 7 and the adjusting gasket set 8 are assembled, it is confirmed whether the Z value is 200±0.5mm, and the included angle α of the contact 1 and the contact 2 is 11°.

[0024] Reference is made to the accompanying drawings Figure 1 After the positioning surface 1 12 and the positioning surface 2 13 are closely combined with the surface of the crystallizer copper plate 4, it is measured by a feeler gauge whether the theoretical distance A is 1mm, and it is checked by the center points of the contact 1 14 and the contact 2 15 of the left positioning plate 9 and the right positioning plate 10 whether the horizontal distance Z value of the crystallizer nozzle 1 is 200mm, if the two values are within the deviation range, the position of the crystallizer nozzle 4 is qualified, the purpose of three-dimensional accurate positioning is achieved, otherwise the crystallizer spraying frame 2 needs to be adjusted.

[0025] The utility model discloses: (1) can accurate detection crystallizer nozzle position, improved precision, (2) the implementation of this scheme, improved the labour efficiency of worker, can shorten at least 1 hour / time of work hour, (3) to the crystallizer copper plate lower mouth state steady and get the promotion, after this scheme implementation, avoid the crystallizer copper plate due to cavitation, the off-line of falling off and so on reason, (4) make the cooling even of the casting blank of crystallizer outlet, avoid the occurrence of crystallizer outlet leakage accident, production is more stable.

Claims

1. A device for detecting accurate positioning of a three-dimensional dimension of a mold nozzle, characterized by: The device comprises a lower connecting shaft (6), a left positioning plate (9), a right positioning plate (10), an upper connecting shaft (11), a contact one (14) and a contact two (15), the left positioning plate (9) and the right positioning plate (10) are connected together through the upper connecting shaft (11) and the lower connecting shaft (6), one side of the left positioning plate (9) and the right positioning plate (10) is a positioning surface one (12) matched with a crystallizer, the contact one (14) and the contact two (15) are connected with the left positioning plate (9) and the right positioning plate (10) into an integral structure, the contact one (14) is arranged perpendicularly to the positioning surface one (12) of the left positioning plate (9) and the right positioning plate (10), and the angle between the contact two (15) and the contact one (14) is the same as the included angle between two nozzles in each group of the spraying frame.

2. The three-dimensional accurate positioning detection device for a mold nozzle according to claim 1, characterized in that: The end of the contact one (14) close to the positioning surface one (12) of the left positioning plate (9) and the right positioning plate (10) is in a stepped type.

3. The device for precise positioning detection of a three-dimensional mold nozzle according to claim 1, characterized in that: Both ends of the upper connecting shaft (11) and the lower connecting shaft (6) are provided with fastening nuts (7) and adjusting gasket sets (8).

4. The device for precise positioning detection of a three-dimensional mold nozzle according to claim 1, characterized in that: The distance between the left positioning plate (9) and the right positioning plate (10) is the same as the distance between two adjacent groups of nozzles of the spraying frame.