Double-injection-hole double-flow tundish retaining wall mechanism

Abstract

The utility model relates to the technical field of tundish retaining walls, in particular to a double-injection-hole double-flow tundish retaining wall mechanism which comprises a retaining wall body, an anti-splashing baffle and an intercepting plate, a first supporting column is mounted at the rear end of the retaining wall body, and a mounting plate is mounted at the tail end of the first supporting column. The retaining wall body comprises a middle retaining wall and two side retaining walls, refractory material layers are arranged at the front ends of the middle retaining wall and the side retaining walls, flow guide openings penetrating through the side retaining walls are formed in the two side retaining walls, the anti-splashing baffle is installed at the upper end of the retaining wall body, and fixing holes are formed in the anti-splashing baffle. And the intercepting plate is arranged at the front end of the retaining wall body and located above the flow guide opening, the intercepting plate is made of refractory materials, and filtering holes which are evenly distributed are formed in the intercepting plate. The device has the advantages that molten steel is prevented from splashing out, and floating inclusions can be intercepted and can be conveniently removed and captured.

Description

Technical Field

[0001] The utility model relates to the technical field of tundish dams, in particular to a tundish dam mechanism with double injection holes and double flows. Background Technique

[0002] A tundish is a refractory container used in short-process steelmaking. Its main function is to receive the molten steel poured out from the ladle, and then distribute the molten steel to each mold through a specific nozzle. By using a tundish, the static pressure of the molten steel is reduced, a stable molten steel level is maintained, and the molten steel is smoothly injected into the mold to avoid strong impact of the molten steel on the mold.

[0003] In order to eliminate the dead zone at the bottom of the tundish, improve the flow trajectory of the molten steel, shorten the floating distance of inclusions, and control the size of the ladle injection flow impact zone, a dam needs to be used. Currently, when the flow rate of the molten steel is too fast and the dam withstands the impact of the molten steel during the use of the tundish dam mechanism, the molten steel at the upper part is prone to splash out, and the inclusions floating in the molten steel are prone to drop and discharge due to the reduction of the molten steel volume in the tundish, which is not conducive to removing and capturing inclusions. Content of the Utility Model

[0004] The purpose of the utility model is to provide a tundish dam mechanism with double injection holes and double flows, which has the advantages of preventing the molten steel from splashing out and being able to intercept the floating inclusions for convenient removal and capture, and solves the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A tundish dam mechanism with double injection holes and double flows includes a dam body, a splash-proof baffle, and an interception plate. A first support column is installed at the rear end of the dam body, and a mounting plate is installed at the end of the first support column. The dam body includes a middle dam and side dams. There are two side dams. A refractory layer is provided at the front ends of the middle dam and the side dams. Through-flow diversion openings are provided on both of the two side dams. The splash-proof baffle is installed at the upper end of the dam body, and fixing holes are provided on the splash-proof baffle. The interception plate is arranged at the front end of the dam body and is located above the diversion opening. The interception plate is made of refractory material, and uniformly distributed filtering holes are provided on the interception plate.

[0006] When using the tundish dam mechanism with double injection holes and double flows of the utility model,

[0007] The utility model is installed in the tundish through the existing installation method. At the same time, it is clamped on the outer side of the tundish through the mounting plate, and the mounting plate is fixed with bolts. Under the action of the first support column and the second support column, the retaining wall body can be reinforced. When the molten steel flows, the molten steel is buffered by the side retaining walls, and the splash-proof baffle can block the molten steel from splashing out from the upper part. The molten steel flow is directionally guided to the pouring area through two diversion openings. The inclusions in the molten steel flow are located above the intercepting plate, and the intercepting plate intercepts them.

[0008] Preferably, the included angle between the two side retaining walls and the middle retaining wall is 130 degrees.

[0009] Preferably, the two side retaining walls are respectively located at both ends of the middle retaining wall, and the middle retaining wall and the side retaining walls are integrally formed.

[0010] Preferably, a second support column is installed at the rear end of the retaining wall body, and the end of the second support column is fixedly connected to the first support column.

[0011] Preferably, the mounting plate is arranged in an L shape, and mounting holes are formed in the mounting plate.

[0012] Preferably, threaded holes corresponding to the fixing holes are formed at the upper end of the retaining wall body, and fixing bolts are installed in the fixing holes and the threaded holes by internal threads.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: When the molten steel flows, when the molten steel flow rate is relatively fast, a small amount of molten steel is likely to splash out from the upper part when the molten steel impacts the retaining wall. The splash-proof baffle can block the molten steel from splashing out from the upper part. The molten steel flow is directionally guided to the pouring area through two diversion openings. The inclusions in the molten steel flow are located above the intercepting plate, and the intercepting plate intercepts them. When the water level of the molten steel drops, it prevents the inclusions from being discharged, which can effectively improve the separation rate of the inclusions and facilitate their removal and capture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the utility model;

[0015] Figure 2 is the rear view structural schematic diagram of the utility model;

[0016] Figure 3 is the partial front view structural schematic diagram of the utility model.

[0017] The reference numerals and names in the drawings are as follows:

[0018] 100, Retaining Wall Body; 101, Intermediate Retaining Wall; 102, Side Retaining Wall; 103, First Support Column; 104, Mounting Plate; 105, Mounting Hole; 106, Second Support Column; 107, Diversion Opening; 108, Refractory Layer; 109, Threaded Hole; 201, Splash Guard; 202, Fixing Bolt; 301, Intercepting Plate; 302, Filter Hole. Detailed Implementation Manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment

[0021] Please refer to Figures 1 to 3 , an embodiment provided by the present invention: a double-pouring-hole and double-flow tundish retaining wall mechanism, including:

[0022] A retaining wall body 100, a splash guard 201 and an intercepting plate 301. A first support column 103 is installed at the rear end of the retaining wall body 100, and a mounting plate 104 is installed at the end of the first support column 103. The retaining wall body 100 includes an intermediate retaining wall 101 and side retaining walls 102. There are two side retaining walls 102. A refractory layer 108 is provided at the front ends of the intermediate retaining wall 101 and the side retaining walls 102. Diversion openings 107 penetrating through the side retaining walls 102 are provided on both of the two side retaining walls 102. The splash guard 201 is installed at the upper end of the retaining wall body 100, and fixing holes are provided on the splash guard 201. The intercepting plate 301 is provided at the front end of the retaining wall body 100, and the intercepting plate 301 is located above the diversion openings 107. The intercepting plate 301 is made of refractory material, and uniformly distributed filter holes 302 are provided on the intercepting plate 301.

[0023] In this embodiment, the present invention is installed in the tundish by the existing installation method. At the same time, the mounting plate 104 is clamped outside the tundish, and the mounting plate 104 is fixed by cooperating with bolts. Under the action of the first support column 103 and the second support column 106, the retaining wall body 100 can be strengthened. When the molten steel flows, the side retaining walls 102 buffer the molten steel, the splash guard 201 can block the splashing of the upper molten steel, the molten steel flow is directionally guided to the pouring area through the two diversion openings 107, the inclusions in the molten steel flow are located above the intercepting plate 301, and the intercepting plate 301 intercepts them.

[0024] Furthermore,

[0025] The included angle between the two side retaining walls 102 and the middle retaining wall 101 is one hundred and thirty degrees.

[0026] Furthermore,

[0027] The two side retaining walls 102 are respectively located at both ends of the middle retaining wall 101, and the middle retaining wall 101 and the side retaining walls 102 are integrally formed.

[0028] Furthermore,

[0029] A second support column 106 is installed at the rear end of the retaining wall body 100, and the end of the second support column 106 is fixedly connected to the first support column 103.

[0030] Furthermore,

[0031] The mounting plate 104 is arranged in an L shape, and mounting holes 105 are formed in the mounting plate 104.

[0032] Furthermore,

[0033] Threaded holes 109 corresponding to the fixing holes are formed at the upper end of the retaining wall body 100, and fixing bolts 202 are threadedly installed in the fixing holes and the threaded holes 109. The threaded holes 109 and the fixing holes cooperate with the fixing bolts 202 to install the splash-proof baffle 201.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A double-pouring-hole and double-flow tundish baffle mechanism, comprising a baffle body (100), a splash-proof baffle (201) and an interception plate (301), characterized in that: A first support column (103) is installed at the rear end of the retaining wall body (100), and a mounting plate (104) is installed at the end of the first support column (103). The retaining wall body (100) includes a middle retaining wall (101) and side retaining walls (102). There are two side retaining walls (102). A refractory layer (108) is provided at the front ends of the middle retaining wall (101) and the side retaining walls (102). Flow guiding openings (107) penetrating through the side retaining walls (102) are formed in both of the two side retaining walls (102). The splash-proof baffle (201) is installed at the upper end of the retaining wall body (100), and fixing holes are formed in the splash-proof baffle (201). The intercepting plate (301) is arranged at the front end of the retaining wall body (100), and the intercepting plate (301) is located above the flow guiding opening (107). The intercepting plate (301) is made of refractory material, and uniformly distributed filtering holes (302) are formed in the intercepting plate (301).

2. A double-pouring-hole and double-flow tundish baffle mechanism according to claim 1, characterized in that: The included angle between the two side retaining walls (102) and the middle retaining wall (101) is one hundred and thirty degrees.

3. The double-pouring-hole and double-flow tundish dam mechanism according to claim 1, characterized in that: The two side retaining walls (102) are respectively located at both side ends of the middle retaining wall (101), and the middle retaining wall (101) and the side retaining walls (102) are integrally formed.

4. A double-pouring-hole and double-flow tundish baffle mechanism according to claim 1, characterized in that: A second support column (106) is installed at the rear end of the retaining wall body (100), and the end of the second support column (106) is fixedly connected to the first support column (103).

5. A double-injection-hole double-flow tundish dam mechanism according to claim 1, characterized in that: The mounting plate (104) is arranged in an L shape, and mounting holes (105) are formed in the mounting plate (104).

6. A double-pouring-hole double-flow tundish dam mechanism according to claim 1, characterized in that: Threaded holes (109) corresponding to the fixing holes are formed at the upper end of the retaining wall body (100), and fixing bolts (202) are installed by internal threading in the fixing holes and the threaded holes (109).

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