CN209998357U

CN209998357U - slag stopping wall for continuous casting tundish

Info

Publication number: CN209998357U
Application number: CN201920353876.2U
Authority: CN
Inventors: 廉洁
Original assignee: LAIWU CHUANGYUAN REFRACTORY MATERIALS CO Ltd
Current assignee: LAIWU CHUANGYUAN REFRACTORY MATERIALS CO Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-01-31
Anticipated expiration: 2029-03-20

Abstract

The utility model discloses a kind of continuous casting tundish is with keeping off slag wall, which comprises a wall body, the wall body is in including the straight wall and the symmetric distribution that are located the mid portion the side wall at straight wall both ends straight wall with all run through on the side wall and seted up the steel flowing hole, the both sides of straight wall are pouring area and impact area respectively, the side wall is respectively to pouring area sideslip, still be provided with the enhancement billet subassembly in the wall body, the cooling runner has still been seted up in the wall body, the utility model discloses an aspect of keeping off slag wall can effectively reduce the molten steel velocity of flow, and the slagging-off of being convenient for can avoid the molten steel excessive in addition aspect, can effectively avoid the molten steel backward flow, the utility model discloses a keep off slag wall intensity height, long service life, the cooling of being convenient for after the single use avoids causing great erosion to keeping off slag wall.

Description

slag stopping wall for continuous casting tundish

Technical Field

The utility model belongs to the technical field of the slag trap, concretely relates to kind of continuous casting is slag trap for tundish.

Background

The tundish is refractory containers used in short-flow steelmaking, firstly receives molten steel poured from a ladle, and then the molten steel is distributed to each crystallizer through a tundish nozzle, steel serves as important basic raw materials and plays a role in playing a very important role in economic development of countries in the world, and a slag wall is arranged between a pouring area and an impact area in the tundish and can control the flow of the internal molten steel.

The existing slag wall has low strength, and because molten steel has high flowing strength and high temperature in an impact area, the slag wall is easy to corrode after being used, slag walls for continuous casting tundishes are proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of continuous casting tundish are with keeping off the slag wall to the current that provides in solving above-mentioned background art keeps off the slag wall intensity lower, because molten steel flow strength is high in the impact zone, and has great temperature, uses the back, causes the problem of great erosion to keeping off the slag wall easily.

In order to achieve the purpose, the utility model provides a slag wall for kinds of continuous casting tundishes comprises a wall body, the wall body comprises a straight wall and side walls, the straight wall is located the middle part, the side walls are symmetrically distributed at two ends of the straight wall, steel flowing holes are formed in the straight wall and the side walls in a penetrating mode, the two sides of the straight wall are respectively a pouring area and an impact area, the side walls incline to the side of the pouring area , a reinforcing steel bar assembly is further arranged in the wall body, and a cooling flow channel is further formed in the wall body.

Preferably, the reinforcing steel bar assembly comprises a transverse steel bar assembly and a longitudinal steel bar assembly, respectively, the transverse steel bar assembly comprises a plurality of transverse steel bars arranged at intervals, and the longitudinal steel bar assembly comprises a plurality of longitudinal steel bars arranged at intervals.

Preferably, the cooling channel includes an th cooling channel, and the th cooling channel has a water inlet at the end and a water outlet at the end.

Preferably, the cooling channel further includes a second cooling water channel, the th cooling water channel and the second cooling water channel are both in an "L" shape structure, and two ends of the second cooling water channel are respectively communicated with the th cooling water channel.

Preferably, the runner hole is of a truncated cone structure, and the larger end of the runner hole faces the side of the pouring zone .

Preferably, an th transition area is arranged between the straight wall and the side wall, and the th transition area is in arc transition.

Preferably, the end face of the side wall is further connected with a bending part, a second transition region is arranged between the side wall and the bending part, and the second transition region is in arc transition.

Preferably, the straight wall, the side wall and the bending part are body type structures formed by continuous casting, and the top of the side wall is also provided with a hanging ring.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the slag blocking wall of the utility model can effectively reduce the flow velocity of molten steel, facilitate slag removal, and also can avoid molten steel overflow and molten steel backflow in aspect;

(2) the slag-stopping wall of the utility model has high strength and long service life, is convenient to cool after single use, and avoids causing great erosion to the slag-stopping wall.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic side view, cross-sectional structure of the present invention;

FIG. 4 is a side view, cross-sectional structural schematic of the present invention;

FIG. 5 is a front view of the cooling flow channel of the present invention;

in the drawing, the cooling water channel comprises a wall body 1, a straight wall 2, a side wall 3, a bent part 4, a hanging ring 5, a transition region 6, a transition region 7, a second transition region 8, a steel flowing hole 9, a transverse steel bar 10, a longitudinal steel bar 11, a cooling flow channel 12, a cooling water channel , a cooling water channel 13, a second cooling water channel 14, a water inlet 15 and a water outlet.

Detailed Description

The technical solution 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 , but not all embodiments.

Referring to fig. 1, 2, 3, 4 and 5, the utility model provides technical solutions, which include a wall 1, the wall 1 includes a straight wall 2 located at the middle portion and side walls 3 symmetrically distributed at both ends of the straight wall 2, a th transition region 6 is arranged between the straight wall 2 and the side walls 3, the th transition region 6 is an arc transition, the end surface of the side wall 3 is further connected with a bent portion 4, a second transition region 7 is arranged between the side wall 3 and the bent portion 4, the second transition region 7 is an arc transition, the straight wall 2, the side walls 3 and the bent portion 4 are -body type structures formed by continuous casting, the top of the side wall 3 is further provided with a hanging ring 5, steel flowing holes 8 are respectively arranged on the straight wall 2 and the side walls 3, the two sides of the straight wall 2 are respectively a pouring region and a pouring impact region, the side walls 3 are respectively inclined to the side of the continuous casting region, a reinforced steel bar assembly is further arranged in the wall 1, a cooling steel flowing hole 11 is further arranged in the straight wall 1, the steel flowing hole 3898 is a larger side than the pouring region 64, and the pouring end of the wall is facing the wall 64.

In this embodiment, it is preferable that the reinforcing steel bar assembly includes a transverse steel bar assembly and a longitudinal steel bar assembly, respectively, the transverse steel bar assembly includes a plurality of transverse steel bars 9 arranged at intervals, and the longitudinal steel bar assembly includes a plurality of longitudinal steel bars 10 arranged at intervals.

In this embodiment, preferably, the cooling channel 11 includes an -th cooling channel 12, the end of the -th cooling channel 12 is a water inlet 14, the end is a water outlet 15, the cooling channel 11 further includes a second cooling channel 13, the -th cooling channel 12 and the second cooling channel 13 are both in an "L" shape, and two ends of the second cooling channel 13 are respectively communicated with the -th cooling channel 12.

The utility model has the working principle and the using process that the wall body 1 of the slag blocking wall is arranged in the tundish, the side of the slag blocking wall is a pouring area, the side of the slag blocking wall is an impact area, the molten steel can be blocked by the straight wall 2, the side wall 3 and the bending part 4 after reaching the wall body 1, the flow velocity of the molten steel is reduced, the molten steel can only flow to the impact area from the steel flowing hole 8, the slag removal is facilitated, and the bending part 4 can avoid the overflow of the molten steel;

the steel flowing hole 8 is of a round table structure, and the larger end of the steel flowing hole 8 faces the side of the pouring zone , so that the design can effectively avoid molten steel backflow;

the strength of the wall body 1 is improved by the reinforced steel bar assembly, and the wall body 1 is prevented from being corroded greatly;

the cooling channel 11 facilitates cooling of the wall 1 after a single use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

The slag blocking wall for the continuous casting tundish comprises a wall body (1), wherein the wall body (1) comprises a straight wall (2) located in the middle and side walls (3) symmetrically distributed at two ends of the straight wall (2), and steel flowing holes (8) are formed in the straight wall (2) and the side walls (3) in a penetrating mode.
2. kind of slag wall for continuous casting tundish according to claim 1, wherein the reinforcing steel bar assembly includes a transverse steel bar assembly including a plurality of transverse steel bars (9) arranged at intervals and a longitudinal steel bar assembly including a plurality of longitudinal steel bars (10) arranged at intervals, respectively.
3. The kind of slag wall for the continuous casting tundish according to claim 1, wherein the cooling channel (11) includes a cooling channel (12), the end of the cooling channel (12) is a water inlet (14), and the end is a water outlet (15).
4. The kind of slag wall for the continuous casting tundish according to claim 3, wherein the cooling runner (11) further includes a second cooling runner (13), the cooling runner (12) and the second cooling runner (13) are both L-shaped, and both ends of the second cooling runner (13) are respectively communicated with the th cooling runner (12).
5. The kind of slag wall for continuous casting tundish according to claim 1, wherein the runner hole (8) is of a truncated cone structure, and the larger end of the runner hole (8) faces the side of the pouring zone .
6. The kind of slag wall for continuous casting tundish according to claim 1, wherein the transition region (6) is between the straight wall (2) and the side wall (3), and the transition region (6) is an arc transition.
7. The slag stopping wall for the continuous casting tundish according to claim 1, wherein a bent portion (4) is further connected to the end surface of the side wall (3), a second transition region (7) is formed between the side wall (3) and the bent portion (4), and the second transition region (7) is in arc transition.
8. The kind of slag stopping wall for the continuous casting tundish as claimed in claim 7, wherein the straight wall (2), the side wall (3) and the bent part (4) are body type structures formed by continuous casting, and the top of the side wall (3) is further provided with a hanging ring (5).