CN214517573U - Slab submersed nozzle with flow control function - Google Patents
Slab submersed nozzle with flow control function Download PDFInfo
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- CN214517573U CN214517573U CN202120432960.0U CN202120432960U CN214517573U CN 214517573 U CN214517573 U CN 214517573U CN 202120432960 U CN202120432960 U CN 202120432960U CN 214517573 U CN214517573 U CN 214517573U
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Abstract
The utility model discloses a slab immersion nozzle who has accuse to flow function relates to immersion nozzle technical field, including the mouth of a river afterbody, the upper end fixed surface of mouth of a river afterbody installs the sealing member, and the upper end fixed mounting of sealing member has mouth of a river bowl portion, and mouth of a river bowl portion is including a bowl portion steel cylinder, and the device is flowed in fixed accuse of bowl portion steel cylinder inside surface upper end fixed mounting, and the lower extreme movable mounting that the device was flowed in fixed accuse rotates the regulation and control device. The utility model discloses an increase and rotate regulation and control device and fixed accuse and flow the device, it flows the hole through-liquid to control when it is to the accuse hole position on the board to flow hole position with the accuse, when the fender flows the board and rotates, the part that will control the hole shelters from, lead to the flow in the accuse hole to reduce, reach the purpose of adjusting mouth of a river flow before using with this, increase the sealing member, dual fixed prevents that the mouth of a river from appearing rocking, fastening magnet in the sealed draw-in groove can adsorb whole mouth of a river on the mould simultaneously, avoid the mouth of a river to drop from the mould, reach the purpose at firm mouth of a river with this.
Description
Technical Field
The utility model relates to an immersion nozzle relates to immersion nozzle technical field, and concretely relates to slab immersion nozzle who has accuse stream function.
Background
The submerged nozzle is a refractory casing for pouring installed at the bottom of the tundish and inserted below the molten steel level of the crystallizer in continuous steel casting equipment, and has the main functions of preventing secondary oxidation and molten steel splashing of the tundish flow, avoiding the protective slag of the crystallizer from being involved in the molten steel, improving the flowing state and heat flow distribution of the flow in the crystallizer, promoting the uniform growth of the billet shell in the crystallizer and being beneficial to the removal of gas and impurities in the steel. The following problems exist in the prior art:
1. the slab immersion nozzle does not have a flow control function, so that the flow of the molten steel entering the nozzle cannot be controlled, the flow speed of the molten steel entering a slab die is too large or too small, and the slab is not favorable for forming;
2. the submerged nozzle is directly inserted into the bottom surface of the mold, so that the nozzle shakes under the pressure generated by the molten steel entering the nozzle, the molten steel is unstable in fixation, and the molten steel can flow reversely in the nozzle or fall off from the nozzle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a slab submersed nozzle with a flow control function, wherein one purpose is to have the flow control function and solve the problem that the flow of molten steel is uncontrollable; wherein another purpose is in order to solve the problem that the mouth of a river rocks to reach the effect of firm mouth of a river.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
there is accuse to flow slab immersion nozzle of function, including the mouth of a river afterbody, the upper end surface fixed mounting of mouth of a river afterbody has the sealing member, the upper end fixed mounting of sealing member has mouth of a river bowl portion.
The mouth of a river bowl portion is including bowl portion steel cylinder, bowl portion steel cylinder internal surface upper end fixed mounting has fixed accuse to flow the device, the lower extreme movable mounting that the device was flowed in fixed accuse has the rotation regulation and control device, the intermediate position surface movable mounting who rotates regulation and control device has strutting arrangement.
The utility model discloses technical scheme's further improvement lies in: the water gap tail part comprises a tail steel cylinder, a tail through hole is formed in the tail steel cylinder, and a steel tapping hole is formed in the front surface and the rear surface of the tail steel cylinder.
By adopting the technical scheme, the tail steel cylinder in the scheme is matched with the steel tapping hole to finish the output of the molten steel.
The utility model discloses technical scheme's further improvement lies in: the water gap bowl part further comprises a steel inlet, the steel inlet is arranged on the front surface and the rear surface of the upper end of the bowl part steel cylinder, and a bowl part opening is formed in the bowl part steel cylinder.
By adopting the technical scheme, the steel inlet in the scheme is matched with the bowl steel cylinder to finish the input of the molten steel.
The utility model discloses technical scheme's further improvement lies in: the rotation regulation and control device comprises a rotating shaft, wherein a flow baffle is fixedly connected to the periphery of the upper end of the rotating shaft, and a downstream hole is formed in the surface of the flow baffle.
By adopting the technical scheme, the rotating shaft in the scheme is matched with the flow baffle to complete flow control.
The utility model discloses technical scheme's further improvement lies in: the fixed flow control device comprises a rotating sleeve, the rotating sleeve is movably connected to the upper end of the rotating shaft, a flow control plate is fixedly mounted at the upper end of the rotating sleeve, and a flow control hole is formed in the upper surface of the flow control plate.
By adopting the technical scheme, the flow control plate in the scheme is matched with the flow control hole to complete the through-flow control of the molten steel.
The utility model discloses technical scheme's further improvement lies in: the supporting device comprises an inner sleeve, the inner sleeve is movably connected to the middle position of the outer surface of the rotating shaft, a supporting rod is fixedly connected to the outer surface of the inner sleeve, and a fixing disc is fixedly connected to the outer surface of the supporting rod.
By adopting the technical scheme, the inner sleeve in the scheme is matched with the fixed disc to complete the support of the rotating shaft.
The utility model discloses technical scheme's further improvement lies in: the sealing member is including sealed dish, sealed draw-in groove has been seted up to the lower surface of sealed dish, sealed draw-in groove's inside fixedly connected with fastening magnet.
By adopting the technical scheme, the sealing clamping groove in the scheme is matched with the fastening magnet to complete stable fixation of the water gap.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a slab immersion nozzle with accuse flows function, the utility model discloses an increase and rotate regulation and control device and fixed accuse and flow the device, rotate the pivot rotation in the regulation and control device, the drive keeps off and flows the board and rotate, keep off the rotation that flows the board and can make the following current hole position on it change, accuse flow hole liquid when the accuse flow hole position on following current hole position and the accuse flow board is to it, when keeping off and flowing the rotation of board, shelter from the part in accuse flow hole, lead to the flow in the accuse flow hole to reduce, reach the purpose of adjusting the mouth of a river flow before using with this.
2. The utility model provides a slab immersion nozzle with accuse flows function, this utility model discloses increase the sealing member, the sealing slot card of sealing member goes into the projecting part of mould during the use, inserts to the mould by the mouth of a river afterbody again, and dual fixed prevents that the mouth of a river from appearing rocking, and fastening magnet in the sealing slot can adsorb whole mouth of a river on the mould simultaneously, avoids the mouth of a river to drop from the mould to this reaches the purpose at firm mouth of a river.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front structural view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic structural view of the supporting device of the present invention;
fig. 5 is a schematic view of the sealing member structure of the present invention.
In the figure: 1. the tail part of the water gap; 11. a tail steel cylinder; 12. a steel tapping hole; 13. a tail through opening;
2. a water gap bowl part; 21. a bowl steel cylinder; 22. a steel inlet; 23. a bowl port;
211. a rotation regulating device; 212. fixing a flow control device; 213. a support device;
2111. a rotating shaft; 2112. a flow baffle plate; 2113. a downstream orifice;
2121. a flow control plate; 2122. a flow control hole; 2123. rotating the sleeve;
2131. fixing the disc; 2132. a support bar; 2133. an inner sleeve;
3. a seal member; 31. sealing the disc; 32. sealing the clamping groove; 33. and (5) fastening the magnet.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the utility model provides a slab immersion nozzle with accuse flows function, including mouth of a river afterbody 1, the outer fixed surface in upper end of mouth of a river afterbody 1 installs sealing member 3, and the upper end fixed mounting of sealing member 3 has mouth of a river bowl portion 2.
In this embodiment, mouth of a river bowl portion 2 is used for the entering of molten steel, and sealing member 3 is used for the fixed connection of mouth of a river and mould, and mouth of a river afterbody 1 is to the mould molten steel of carrying.
As shown in fig. 1 to 5, in the present embodiment, the nozzle tail 1 preferably includes a tail cylinder 11, a tail through hole 13 is formed in the tail cylinder 11, and a tap hole 12 is formed in front and rear surfaces of the tail cylinder 11.
As shown in fig. 1-5, molten steel preferably enters the rear barrel 11 through the nozzle bowl 2 and is finally delivered into the mold through the tap hole 12.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the nozzle bowl 2 comprises a bowl steel cylinder 21, a fixed flow control device 212 is fixedly mounted at the upper end of the inner surface of the bowl steel cylinder 21, a rotation control device 211 is movably mounted at the lower end of the fixed flow control device 212, a support device 213 is movably mounted at the outer surface of the middle position of the rotation control device 211, the nozzle bowl 2 further comprises a steel inlet 22, the steel inlet 22 is arranged at the front and rear surfaces of the upper end of the bowl steel cylinder 21, a bowl through opening 23 is arranged in the bowl steel cylinder 21, the rotation control device 211 comprises a rotating shaft 2111, a flow baffle 2112 is fixedly connected to the periphery of the upper end of the rotating shaft 2111, a downstream hole 2113 is arranged on the surface of the flow baffle 2112, the fixed flow control device 212 comprises a rotating sleeve 2123, the rotating sleeve 2123 is movably connected to the upper end of the rotating shaft 2111, a flow control plate 2121 is fixedly mounted at the upper end of the rotating sleeve 2123, a flow control hole 2122 is arranged on the upper surface of the flow control plate 2121, the support device 213 comprises an inner sleeve 2133, the inner sleeve 2133 is movably connected to the middle position of the outer surface of the rotating shaft 2111, the outer surface of the inner sleeve 2133 is fixedly connected with a support rod 2132, and the outer surface of the support rod 2132 is fixedly connected with a fixed disc 2131.
In this embodiment, the rotating shaft 2111 of the rotation control device 211 rotates to drive the flow blocking plate 2112 to rotate, the rotation of the flow blocking plate 2112 changes the position of the downstream hole 2113 thereon, when the position of the downstream hole 2113 is aligned with the position of the flow control hole 2122 of the flow control plate 2121, the flow control hole 2122 is through, and when the flow blocking plate 2112 rotates, the flow control hole 2122 is partially blocked, which results in a reduction of the flow in the flow control hole 2122, thereby achieving the purpose of adjusting the flow rate of the nozzle before use.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the sealing element 3 comprises a sealing disc 31, a sealing slot 32 is formed in the lower surface of the sealing disc 31, and a fastening magnet 33 is fixedly connected inside the sealing slot 32.
In this embodiment, the sealing slot 32 card of sealing member 3 goes into the protruding part of mould during the use, inserts the mould by mouth of a river afterbody 1 again, and dual fixed prevents that the mouth of a river from appearing rocking, and fastening magnet 33 in the sealing slot 32 simultaneously can adsorb whole mouth of a river on the mould, avoids the mouth of a river to drop from the mould to this reaches the purpose at firm mouth of a river.
The working principle of the slab submerged nozzle with the flow control function is described in detail below.
As shown in fig. 1-5, the rotation shaft 2111 in the rotation control device 211 rotates to drive the flow baffle plate 2112 to rotate, the rotation of the flow baffle plate 2112 changes the position of the downstream hole 2113 thereon, when the position of the downstream hole 2113 is aligned with the position of the flow control hole 2122 on the flow control plate 2121, the flow control hole 2122 passes through the liquid, when the flow baffle plate 2112 rotates, the flow control hole 2122 is partially shielded, so that the flow in the flow control hole 2122 is reduced, thereby achieving the purpose of adjusting the flow of the nozzle before use, when in use, the seal clamping groove 32 of the seal 3 is clamped into the protruding portion of the mold and then inserted into the mold from the nozzle tail 1, double fixation prevents the nozzle from shaking, and simultaneously the fastening magnet 33 in the seal clamping groove 32 can attach the entire nozzle to the mold, thereby preventing the nozzle from falling off from the mold.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (7)
1. There is accuse to flow slab immersion nozzle of function, including mouth of a river afterbody (1), its characterized in that: a sealing element (3) is fixedly arranged on the outer surface of the upper end of the water gap tail part (1), and a water gap bowl part (2) is fixedly arranged at the upper end of the sealing element (3);
the mouth of a river bowl portion (2) is including bowl portion steel cylinder (21), bowl portion steel cylinder (21) inside surface upper end fixed mounting has fixed accuse to flow device (212), the lower extreme movable mounting that the device (212) was flowed in fixed accuse has rotation regulation and control device (211), the intermediate position surface movable mounting who rotates regulation and control device (211) has strutting arrangement (213).
2. The flow-controlled slab submerged entry nozzle of claim 1, wherein: the water gap tail part (1) comprises a tail steel cylinder (11), a tail through hole (13) is formed in the tail steel cylinder (11), and a steel tapping hole (12) is formed in the front surface and the rear surface of the tail steel cylinder (11).
3. The flow-controlled slab submerged entry nozzle of claim 1, wherein: the water gap bowl part (2) is characterized by further comprising a steel inlet (22), wherein the steel inlet (22) is arranged on the front surface and the rear surface of the upper end of the bowl part steel cylinder (21), and a bowl part opening (23) is formed in the bowl part steel cylinder (21).
4. The flow-controlled slab submerged entry nozzle of claim 1, wherein: the rotation regulation and control device (211) comprises a rotating shaft (2111), a flow baffle plate (2112) is fixedly connected to the periphery of the upper end of the rotating shaft (2111), and a downstream hole (2113) is formed in the surface of the flow baffle plate (2112).
5. The flow-controlled slab submerged entry nozzle of claim 1, wherein: the fixed flow control device (212) comprises a rotating sleeve (2123), the rotating sleeve (2123) is movably connected to the upper end of the rotating shaft (2111), a flow control plate (2121) is fixedly installed at the upper end of the rotating sleeve (2123), and a flow control hole (2122) is formed in the upper surface of the flow control plate (2121).
6. The flow-controlled slab submerged entry nozzle of claim 1, wherein: the supporting device (213) comprises an inner sleeve (2133), the inner sleeve (2133) is movably connected to the middle position of the outer surface of the rotating shaft (2111), a supporting rod (2132) is fixedly connected to the outer surface of the inner sleeve (2133), and a fixed disk (2131) is fixedly connected to the outer surface of the supporting rod (2132).
7. The flow-controlled slab submerged entry nozzle of claim 1, wherein: sealing member (3) are including sealed dish (31), sealed draw-in groove (32) have been seted up to the lower surface of sealed dish (31), the inside fixedly connected with fastening magnet (33) of sealed draw-in groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432960.0U CN214517573U (en) | 2021-02-28 | 2021-02-28 | Slab submersed nozzle with flow control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432960.0U CN214517573U (en) | 2021-02-28 | 2021-02-28 | Slab submersed nozzle with flow control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517573U true CN214517573U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432960.0U Active CN214517573U (en) | 2021-02-28 | 2021-02-28 | Slab submersed nozzle with flow control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214517573U (en) |
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2021
- 2021-02-28 CN CN202120432960.0U patent/CN214517573U/en active Active
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