CN210632940U

CN210632940U - Slab continuous casting immersion nozzle

Info

Publication number: CN210632940U
Application number: CN201920919446.2U
Authority: CN
Inventors: 曹喜军; 杨海西; 韩报明; 刘文平
Original assignee: Jingye Steel Co Ltd
Current assignee: Jingye Steel Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-29
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to the technical field of steel continuous casting devices, and discloses a slab continuous casting submersed nozzle, which solves the problems of great difficulty, complex installation and disassembly operations and unfavorable replacement of the submersed nozzle in the prior art, and comprises a submersed nozzle body, an installation block and a locking cap, wherein the inner wall of the locking cap is provided with an internal thread, the outer wall of a port of the submersed nozzle body is provided with a connecting block, the outer wall of the connecting block is provided with an external thread, the outer wall of the connecting block is uniformly provided with six clamping grooves, the bottom surfaces of the six clamping grooves are respectively fixed with a spring, one end of the installation block is welded with a mounting plate, the other end of the installation block is provided with a socket, the inner wall of the socket is uniformly provided with six through grooves, the six through grooves are respectively and slidably provided with a clamping block, the locking cap is in threaded connection, thereby facilitating the fixing of the submerged entry nozzle.

Description

Slab continuous casting immersion nozzle

Technical Field

The utility model relates to a steel continuous casting device technical field especially relates to a slab continuous casting immersion nozzle.

Background

At present, the internal whole immersion nozzle of package majority adoption in the middle of the domestic slab caster, because the single package continuous casting stove number in middle of the immersion nozzle life-span restriction, the immersion nozzle mainly is in the pouring in-process in the continuous casting crystallizer part, receive high temperature molten steel, the erosion and the washing of slag are very easily damaged, just must stop watering when damaging seriously, consequently, for realizing the multi-furnace continuous casting, just must change the immersion nozzle, but the current change operation degree of difficulty is great, the installation, dismantle complex operation, be unfavorable for the change of immersion nozzle, therefore, we have proposed a slab continuous casting immersion nozzle and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current change operation degree of difficulty that exists among the prior art great, installation, dismantlement complex operation are unfavorable for the shortcoming of the change of immersion nozzle, and a slab continuous casting immersion nozzle who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a slab continuous casting immersion nozzle, includes immersion nozzle body, installation piece and locking cap, its characterized in that, be provided with the internal thread on the inner wall of locking cap, be provided with the connecting block on the port outer wall of immersion nozzle body, be provided with the external screw thread on the outer wall of connecting block, and evenly seted up six draw-in grooves on the outer wall of connecting block, six the bottom surface of draw-in groove all is fixed with the spring, the one end welding of installation piece has the mounting panel, and the other end of installation piece has seted up the socket, six logical grooves have evenly been seted up on the inner wall of socket, six equal slidable mounting has the fixture block in the logical groove, the fixture block is kept away from the one end bottom.

Preferably, the connecting block is inserted into the insertion opening, and the clamping block is inserted into the clamping groove.

Preferably, the internal thread in the locking cap is matched with the external thread on the outer wall of the connecting block, and the locking cap is in threaded connection with the outer side of the connecting block.

Preferably, the mounting block and the mounting plate are both provided with a water feeding port, and the water feeding ports are communicated with the submerged nozzle body.

Preferably, the inner walls of the two sides of the through groove are both provided with sliding grooves, the outer walls of the two sides of the clamping block are both fixedly welded with limiting blocks, and the two limiting blocks are respectively inserted into the sliding grooves on the two sides in a sliding manner.

The utility model has the advantages that:

1. through inserting the connecting block and establishing in the installation piece, and through locking cap threaded connection on the installation piece, extrude the fixture block by the locking cap and make the fixture block insert in the draw-in groove of establishing on the connecting block to be convenient for fix the immersion nozzle.

2. This device easy operation can fix fast and dismantle the immersion nozzle, has improved the change efficiency to the immersion nozzle greatly.

Drawings

Fig. 1 is a schematic structural view of a slab continuous casting submerged nozzle provided by the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: 1 immersion nozzle body, 2 installation pieces, 3 mounting panels, 4 connecting blocks, 5 locking caps, 6 water feeding openings, 7 clamping grooves, 8 springs, 9 through grooves, 10 clamping blocks, 11 sliding grooves, 12 limiting blocks and 13 inclined planes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a slab continuous casting submerged nozzle comprises a submerged nozzle body 1, a mounting block 2 and a locking cap 5, wherein inner threads are arranged on the inner wall of the locking cap 5, a connecting block 4 is welded on the outer wall of a port of the submerged nozzle body 1, outer threads are arranged on the outer wall of the connecting block 4, the inner threads in the locking cap 5 are matched with the outer threads on the outer wall of the connecting block 4, the locking cap 5 is in threaded connection with the outer side of the connecting block 4, six clamping grooves 7 are uniformly arranged on the outer wall of the connecting block 4, springs 8 are fixedly welded on the bottom surfaces of the six clamping grooves 7, a mounting plate 3 is welded at one end of the mounting block 2, a socket is arranged at the other end of the mounting block 2, the connecting block 4 is inserted in the socket, six through grooves 9 are uniformly arranged on the inner wall of the socket, a, all seted up spout 11 on the both sides inner wall of logical groove 9, all welded fastening has stopper 12 on the both sides outer wall of fixture block 10, and two stoppers 12 slide respectively and insert and establish in both sides spout 11, and the one end bottom surface that mounting panel 3 was kept away from to fixture block 10 is provided with scarf 13, extrudes fixture block 10 when being convenient for rotate locking cap 5.

Further, the mounting block 2 and the mounting plate 3 are both provided with a water feeding port 6, and the water feeding port 6 is communicated with the immersion type water gap body 1.

In this embodiment, insert the connecting block 42 in the installation piece, and through establish locking cap 5 cover on immersion nozzle body 1 with the outer wall of installation piece 2, rotate locking cap 5, make locking cap 5 threaded connection on installation piece 2, extrude fixture block 10 by locking cap 5, make fixture block 10 to the removal of connecting block 4 direction, and make it insert in the draw-in groove 7 of establishing on connecting block 4, thereby make immersion nozzle body 1 fixed, when needs are dismantled, reverse rotation locking cap 5, make locking cap 5 break away from installation piece 2, simultaneously by spring 8 the ejecting draw-in groove 7 of fixture block 10, thereby can extract connecting block 4, be convenient for take out immersion nozzle body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A slab continuous casting submerged nozzle comprises a submerged nozzle body (1), a mounting block (2) and a locking cap (5), and is characterized in that inner threads are arranged on the inner wall of the locking cap (5), a connecting block (4) is arranged on the outer wall of a port of the submerged nozzle body (1), outer threads are arranged on the outer wall of the connecting block (4), six clamping grooves (7) are uniformly formed in the outer wall of the connecting block (4), and springs (8) are fixed on the bottom surfaces of the six clamping grooves (7);

the one end welding of installation piece (2) has mounting panel (3), and the socket has been seted up to the other end of installation piece (2), six logical groove (9), six have evenly been seted up on the inner wall of socket equal slidable mounting has fixture block (10) in leading to groove (9), fixture block (10) are kept away from the one end bottom surface of mounting panel (3) is provided with scarf (13).

2. The slab continuous casting submerged nozzle of claim 1, wherein the connecting block (4) is inserted into the insertion opening, and the fixture block (10) is inserted into the clamping groove (7).

3. A slab-casting submerged nozzle according to claim 1, wherein the locking cap (5) has internal threads adapted to external threads on the outer wall of the connecting block (4), and the locking cap (5) is screwed to the outside of the connecting block (4).

4. The slab continuous casting submerged nozzle according to claim 1, characterized in that the mounting block (2) and the mounting plate (3) are both provided with a water feeding port (6), and the water feeding port (6) is communicated with the submerged nozzle body (1).

5. The slab continuous casting submerged nozzle according to claim 1, wherein sliding grooves (11) are formed in both side inner walls of the through groove (9), a limiting block (12) is welded and fixed to both side outer walls of the clamping block (10), and the two limiting blocks (12) are slidably inserted into the sliding grooves (11) on both sides, respectively.