Bowl opening argon blowing type external submersed nozzle

By designing a bowl-shaped argon-blown external immersion nozzle, the problem of easy damage to the seal of the external immersion nozzle was solved by using argon gas sealing and a movable locking block structure, which enabled efficient casting and convenient maintenance of the iron ring, and extended the service life of the ladle.

CN223670209UActive Publication Date: 2025-12-16SUZHOU BAOMINGGAOWEN CERAMICS CO LTD
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Patent Information

Application Number
CN202423097442.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-16
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The existing external submersible nozzle bowl lacks argon blowing function, which makes the sealing structure easy to be damaged, affecting the smooth pouring process and the quality of steel billets. In addition, the internal integral submersible nozzle cannot be replaced online, which limits the service life of the tundish.

Method used

Design a bowl-shaped argon-blown external immersion nozzle, which achieves internal cavity sealing through argon gas pipes and argon gas tanks. Combined with movable locking blocks and reinforcing blocks, it facilitates the maintenance and replacement of the iron ring, and uses a strong spring to provide additional reinforcement.

Benefits of technology

This effectively avoids damage to the sealing structure, improves casting quality and efficiency, and allows for convenient maintenance and replacement of the iron rings, extending the service life of the ladle.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223670209U_ABST
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Abstract

The utility model discloses a bowl mouth argon blowing type external submersed nozzle, which relates to the field of nozzles and comprises a nozzle body, an iron ring is mounted on the outer wall of the nozzle body, an argon pipe is mounted on the side edge of the iron ring, and clamping blocks are symmetrically and movably connected to two sides of an inner cavity of the iron ring. Reinforcing blocks are symmetrically and movably connected to the top and the bottom of an inner cavity of the iron ring, and anti-abrasion pads are symmetrically installed on the opposite sides of the two reinforcing blocks. According to the bowl opening argon blowing type externally-installed submersed nozzle, argon can be blown into the through groove through the argon groove through the arranged argon pipe, so that the inner cavity of the nozzle body can be filled with argon, sealing treatment can be directly conducted through argon without other structures during pouring, and the sealing effect is good. The sealing structure cannot be damaged during pouring, the pouring cost can be effectively reduced, and the pouring quality and efficiency can be further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the water gap field especially relates to a bowl mouth argon blowing type outer dress immersion type water gap. BACKGROUND

[0002] At present, the bowl mouth of the conventional outer dress immersion type water gap does not have the argon blowing function, and generally carries out the physical sealing through the fiber pad, the fiber pad can only play the physical sealing role at the first furnace, and is easily damaged during the steel pouring process, and the immersion type water gap and the upper water gap lower part are matched, and the air suction or the steel pouring is generated due to the poor matching, the pouring smoothness and the billet quality are influenced, and the non-scheduled pouring is even caused in serious cases.

[0003] At present, the inner dress integral immersion type water gap cannot be replaced on line, but sometimes some steel grades with higher pouring protection requirements need to adopt the inner dress integral immersion type water gap, but sometimes the service life of the slag line part restricts the service life of the tundish, when the slag line erosion of the integral immersion type water gap is relatively thin, the novel bowl mouth argon blowing outer dress integral immersion type water gap can be replaced on line after being cut off from the relatively thin slag line through the special tool, so that the long service life of the tundish is realized.

[0004] Therefore, it is necessary to provide the bowl mouth argon blowing type outer dress immersion type water gap to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model mainly aims at providing a bowl mouth argon blowing type outer dress immersion type water gap, which can effectively solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] A bowl mouth argon blowing type outer dress immersion type water gap, which comprises a water gap body, an iron ring is installed on the outer wall of the water gap body, an argon pipe is installed on the side edge of the iron ring, a clamping block is symmetrically movably connected on both sides of the inner cavity of the iron ring, a reinforcing block is symmetrically movably connected on the top and bottom of the inner cavity of the iron ring, and an anti-abrasion pad is symmetrically installed on the opposite side of the two reinforcing blocks.

[0008] Preferably, a through groove is formed in one end of the inner cavity of the water gap body, an argon groove is formed in the inner cavity of the iron ring, the inner cavities of the argon groove and the through groove are the same, a sealing valve is flange-connected to the outer wall of the argon pipe, and the argon pipe is communicated with the inner cavities of the argon groove and the through groove through the argon groove.

[0009] Preferably, adjusting grooves are symmetrically formed on both sides of one end of the iron ring, a guide rod is installed in the inner cavity of the adjusting groove, a spring is wound on the outer wall of the guide rod, and one side of the spring is installed in the inner cavity of the adjusting groove.

[0010] Preferably, an adjusting block is installed on the other side of the spring, the adjusting block is movably connected in the inner cavity of the adjusting groove, a handle is installed on the outer wall of the adjusting block, a locking block is installed on the other side of the adjusting block, the locking block and the adjusting block are sleeved on the outer wall of the guide rod, the locking block is movably connected in the inner cavity of the adjusting groove, and the locking block is inserted into the outer wall of the sprue body.

[0011] Preferably, the inner cavity of the iron ring has symmetrically formed receiving grooves at the center of the top and bottom, and symmetrically formed movable grooves at the center of both sides of the inner cavity of the receiving groove. A fixed post is installed in the center of the inner cavity of the movable groove, and a strong spring is wound around the outer wall of the fixed post. The bottom of the strong spring is installed at the bottom of the inner cavity of the movable groove.

[0012] Preferably, a movable block is installed on the top of the strong spring. The movable block is movably connected in the inner cavity of the movable groove and sleeved on the outer wall of the fixed column. The movable block is installed on both sides of the reinforcing block. The reinforcing block is movably connected in the inner cavity of the receiving groove. One end of the reinforcing block is inclined.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This bowl-shaped argon-blown external immersion nozzle, through an argon gas pipe, can blow argon gas into the through-slot via an argon gas tank, so that the inner cavity of the nozzle body can be filled with argon gas. During casting, there is no need for sealing through other structures; the argon gas can be used directly for sealing, so that the sealing structure will not be damaged during casting, which can effectively reduce the cost of casting and further improve the quality and efficiency of casting.

[0015] 2. This bowl-shaped argon-blown external immersion nozzle can be moved by adjusting the handle, which in turn moves the locking block. This allows the locking block to be removed from the inner cavity of the nozzle body, thus separating the nozzle body from the iron ring for easy maintenance and replacement of the iron ring. Under normal conditions, a spring can keep the locking block inward, allowing the nozzle body to connect to the iron ring via the locking block.

[0016] 3. This bowl-shaped argon-blown external immersion sprue, through the installation of a powerful spring, can spring the reinforcing block inward through the movable block, so that the reinforcing block can adhere to the outer wall of the sprue body through the anti-wear pad, thereby reinforcing the connection between the sprue body and the iron ring. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the iron ring of this utility model;

[0019] Figure 3 is the utility model Figure 2 the enlarged view of A in the middle;

[0020] Figure 4 is the utility model Figure 2 the enlarged view of B in the middle.

[0021] In the figure: 1, water gap body; 2, iron ring; 3, through groove; 4, argon groove; 5, argon pipe; 6, sealing valve; 7, adjusting groove; 8, guide rod; 9, spring; 10, adjusting block; 11, handle; 12, clamping block; 13, reinforcing block; 14, wear pad; 15, movable block; 16, containing groove; 17, movable groove; 18, fixed column; 19, strong spring. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figures 1-4 shown, a bowl mouth blows argon type outer immersion type water gap, including water gap body 1, the outer wall of water gap body 1 is installed with iron ring 2, the side of iron ring 2 is installed with argon pipe 5, the inside cavity of iron ring 2 is symmetrically movably connected with clamping block 12, the top and bottom of the inside cavity of iron ring 2 is symmetrically movably connected with reinforcing block 13, the opposite side of two reinforcing blocks 13 is symmetrically installed with wear pad 14, one end of the inside cavity of water gap body 1 is provided with through groove 3, the inside cavity of iron ring 2 is provided with argon groove 4, the inside cavity of argon groove 4 and through groove 3 is same, the outer wall flange of argon pipe 5 is connected with sealing valve 6, argon pipe 5 is communicated with the inside cavity of through groove 3 through argon groove 4, the both sides of one end of iron ring 2 is symmetrically provided with adjusting groove 7, the inside cavity of adjusting groove 7 is installed with guide rod 8, the outer wall of guide rod 8 is wound with spring 9, one side of spring 9 is installed in the inside cavity of adjusting groove 7, the other side of spring 9 is installed with adjusting block 10, adjusting block 10 is movably connected in the inside cavity of adjusting groove 7, the outer wall of adjusting block 10 is installed with handle 11, the other side of adjusting block 10 is installed with clamping block 12, clamping block 12 and adjusting block 10 are sleeved on the outer wall of guide rod 8, clamping block 12 is movably connected in the inside cavity of adjusting groove 7, clamping block 12 is inserted on the outer wall of water gap body 1, the middle of the top and bottom of the inside cavity of iron ring 2 is symmetrically provided with containing groove 16, the both sides of the inside cavity of containing groove 16 is symmetrically provided with movable groove 17, the middle of the inside cavity of movable groove 17 is installed with fixed column 18, the outer wall of fixed column 18 is wound with strong spring 19, the bottom of strong spring 19 is installed in the bottom of the inside cavity of movable groove 17, the top of strong spring 19 is installed with movable block 15, movable block 15 is movably connected in the inside cavity of movable groove 17 and is sleeved on the outer wall of fixed column 18, movable block 15 is installed on the both sides of reinforcing block 13, reinforcing block 13 is movably connected in the inside cavity of containing groove 16, one end of reinforcing block 13 is in the form of inclination.

[0024] Through the argon pipe 5 arranged, the argon can be blown into the through groove 3 through the argon groove 4, so that the inner cavity of the nozzle body 1 can be filled with argon, and when pouring, sealing is not needed through other structures, and sealing treatment can be directly carried out through argon, so that the pouring can not appear the damage phenomenon of the sealing structure, the cost of pouring can be effectively reduced, and the quality and efficiency of pouring can be further improved, through the movement of the handle 11 arranged, the clamping block 12 can be moved through the adjusting block 10, so that the clamping block 12 can be taken out from the inner cavity of the nozzle body 1, at this time, the nozzle body 1 and the iron ring 2 can be separated, the iron ring 2 is convenient to maintain and replace, through the spring 9 arranged, the clamping block 12 can be bounced to the inside at any time, so that the nozzle body 1 can be connected with the iron ring 2 through the clamping block 12, through the strong spring 19 arranged, the reinforcing block 13 can be bounced to the inside through the movable block 15, so that the reinforcing block 13 can be attached to the outer wall of the nozzle body 1 through the wear-resistant pad 14, so that the connection of the nozzle body 1 and the iron ring 2 can be reinforced.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shrouded submerged entry nozzle of the bowl argon blowing type comprising a nozzle body (1), characterized in that: The outer wall of the water gap body (1) is provided with an iron ring (2), the side of the iron ring (2) is provided with an argon pipe (5), the two sides of the inner cavity of the iron ring (2) are symmetrically and movably connected with clamping blocks (12), and the top and bottom of the inner cavity of the iron ring (2) are symmetrically and movably connected with reinforcing blocks (13).

2. The bowl mouth argon-blowing type outer-submerged entry nozzle according to claim 1, characterized in that: One end of the inner cavity of the water gap body (1) is provided with a through groove (3), the inner cavity of the iron ring (2) is provided with an argon groove (4), the inner cavities of the argon groove (4) and the through groove (3) are the same, the outer wall of the argon pipe (5) is flange-connected with a sealing valve (6), and the argon pipe (5) is communicated with the inner cavities of the argon groove (4) and the through groove (3).

3. The bowl mouth argon-blowing type outer-submerged entry nozzle according to claim 1, characterized in that: The two sides of one end of the iron ring (2) are symmetrically provided with adjusting grooves (7), the inner cavities of the adjusting grooves (7) are provided with guide rods (8), the outer walls of the guide rods (8) are wound with springs (9), and one side of the spring (9) is mounted in the inner cavity of the adjusting groove (7).

4. The bowl mouth argon-blowing type outer-submerged entry nozzle according to claim 3, characterized in that: The other side of the spring (9) is provided with an adjusting block (10), the adjusting block (10) is movably connected in the inner cavity of the adjusting groove (7), the outer wall of the adjusting block (10) is provided with a handle (11), the other side of the adjusting block (10) is provided with a clamping block (12), the clamping block (12) and the adjusting block (10) are sleeved on the outer wall of the guide rod (8), the clamping block (12) is movably connected in the inner cavity of the adjusting groove (7), and the clamping block (12) is inserted into the outer wall of the water gap body (1).

5. The bowl mouth argon-blowing type outer-submerged entry nozzle according to claim 1, characterized in that: The middle of the top and bottom of the inner cavity of the iron ring (2) is symmetrically provided with a containing groove (16), the middle of the two sides of the inner cavity of the containing groove (16) is symmetrically provided with a movable groove (17), the middle of the inner cavity of the movable groove (17) is provided with a fixed column (18), the outer wall of the fixed column (18) is wound with a strong spring (19), and the bottom of the strong spring (19) is mounted at the bottom of the inner cavity of the movable groove (17).

6. A shroud argon-blowing type outer-submerged entry nozzle according to claim 5, characterized by: The top of the strong spring (19) is provided with a movable block (15), the movable block (15) is movably connected in the inner cavity of the movable groove (17) and sleeved on the outer wall of the fixed column (18), the movable block (15) is mounted on the two sides of the reinforcing block (13), the reinforcing block (13) is movably connected in the inner cavity of the containing groove (16), and one end of the reinforcing block (13) is inclined.