Combined device for improving utilization rate of casting powder

Abstract

The utility model discloses a combined device for improving the utilization rate of casting powder, belongs to the technical field of steelmaking and continuous casting, and solves the problem of excessive waste of the existing casting powder. The combined device comprises two semicircular bottom plates, the two bottom plates are symmetrically arranged, each bottom plate is provided with a plurality of clamping grooves matched with protruding blocks of the crystallizer cover plate, each bottom plate is provided with an L-shaped material blocking plate, the shape defined by the material blocking plates on the two sides is of a U-shaped structure, the inner side of each material blocking plate is provided with a material falling opening used for material falling, and each material falling opening is communicated with the corresponding L-shaped material blocking plate. And an inclined guide plate is arranged between the edge of the blanking port and the baffle plate. According to the combined device for improving the utilization rate of the casting powder, scattering and blowing-away phenomena of the casting powder in the using process are reduced, the environment is effectively improved, meanwhile, the waste problem of the casting powder is effectively solved, and the combined device has the advantages of being wide in application range and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to continuous casting technology field in steelmaking especially relates to a combined device that improves the utilization rate of protecting slag. BACKGROUND

[0002] With the increasingly prominent environmental problems, new environmental emission standards are proposed, thereby putting forward more strict and high standard requirements for steel enterprises, also promoting "ultra-low emission". In the steel industry, many materials used or processes will produce dust problems, the protecting slag used in the current continuous casting is an indispensable auxiliary material in the production process, and no other material can completely replace it, but in the process of using the protecting slag, the current adding mode of the protecting slag is mainly automatic slag adding and auxiliary manual slag adding, and the automatic slag adding mode is that the slag bucket and the spiral slag adding pipe are on the middle tank car, then the rotation of the motor is used to pour the protecting slag to the crystallizer platform, and then the protecting slag is blown to the discharge port of the crystallizer by compressed gas, thereby flowing into the inner crystallizer. Using this way to add slag, the protecting slag is easy to scatter on the crystallizer cover plate or the steel pouring platform, and the post staff is easy to cause dust floating detection device overproof alarm when cleaning the protecting slag, simultaneously increases the consumption of the protecting slag, further improves the production cost, and a large amount of dust is generated in the process, which produces certain harm to the human body, simultaneously causes certain influence on the on-site environment and use cost. SUMMARY

[0003] The utility model solves the technical problem in the prior art, provides a combined device that improves the utilization rate of protecting slag, reduces the scattering and blowing phenomenon of the protecting slag in the using process, effectively improves the environment, effectively solves the waste problem of the protecting slag, and has the characteristics of wide application range and strong practicability.

[0004] The utility model adopts the technical scheme: a combined device that improves the utilization rate of protecting slag, including two semicircular bottom boards, two bottom boards are symmetrically arranged, the bottom board is equipped with a plurality of clamping grooves that are matched with the protruding blocks of the crystallizer cover plate, the bottom board is equipped with L-shaped material baffle, the shape surrounded by the material baffles on both sides is a "N" type structure, the material baffle is equipped with the material drop opening for dropping material, and the inclined guide plate is arranged between the edge of the material drop opening and the material baffle.

[0005] As a further improvement, the edges of the openings of the material baffles on both sides are each provided with a folding plate, and the folding plates on both sides are arranged in a horn shape on the bottom plate.

[0006] Further, the connection portions of the inclined guide plates on both sides are each provided with a magnet, and the magnets on both sides are mutually attracted.

[0007] Further, the bottom plate is provided with lifting lugs for lifting, and the lifting lugs are located at the middle position of the bottom plate.

[0008] Further, the number of card slots on each bottom plate is three, and the card slots are uniformly distributed on the bottom plate.

[0009] Further, the opening of the material blocking plate on both sides is provided with a blocking plate for preventing backflow, and the blocking plate is arranged on the bottom plate.

[0010] Advantages

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The combined device for improving the utilization rate of protective slag of the utility model, when using, through the card slot, the bottom plate is clamped on the convex block of the crystallizer cover plate, when the protective slag passes through the isolation and guiding effect of the material blocking plate, the protective slag blown is re-collected and flows into the crystallizer through the dropping opening, the utilization rate of the protective slag is improved, so that the post cleaning is avoided, the dust problem in the post cleaning process is solved, the working environment quality is improved, through setting the bottom plate into a combined form of two equal parts, the post dismounting device is convenient and the abnormal situation is handled, through setting the card slot, the bottom plate can be completely fixed on the cover plate, the movement in the use process is prevented, and then the use effect is affected, through setting the inclined guide plate, the protective slag gathered in the material blocking plate can be better dropped into the dropping opening, through setting the folding plate, the protective slag blown to the rear side of the material blocking plate is effectively prevented from accumulating, so that the protective slag can only flow into the crystallizer from the dropping opening under the blowing of the compressed gas, so that the utilization rate of the protective slag is effectively further improved, and the utility model has the characteristics of strong practicability and wide application range. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0014] Fig. 2 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Among them: 1-bottom plate, 2-card slot, 3-material blocking plate, 4-inclined guide plate, 5-folding plate, 6-magnet, 7-dropping opening, 8-blocking plate, 9-lifting lug. DETAILED DESCRIPTION

[0016] The utility model will be further described below in combination with the specific embodiment in the drawings.

[0017] Reference Figs. 1-2As shown, a combined device for improving the utilization rate of protective slag includes two semicircular bottom plates 1, the two bottom plates 1 are symmetrically arranged, the bottom plate 1 is provided with a plurality of clamping grooves 2 matched with the protruding blocks of the mold cover plate, the bottom plate 1 is provided with an L-shaped material blocking plate 3, the material blocking plates 3 on both sides form a "N" shaped structure, a material falling port 7 for falling material is formed on the inner side of the material blocking plate 3, and a slope guide plate 4 is arranged between the edge of the material falling port 7 and the material blocking plate 3. The bottom plate 1 is clamped on the protruding blocks of the mold cover plate through the clamping grooves 2. When the protective slag passes through the isolation and guiding effect of the material blocking plate 3, the blown protective slag is re-collected through the material falling port 7 and flows into the mold, thereby improving the utilization rate of the protective slag, avoiding post cleaning, solving the dust problem in the post cleaning process, improving the working environment quality, and facilitating the disassembly and offline of the device and the processing under abnormal conditions by setting the bottom plate 1 in a split combination form. By setting the clamping grooves 2, the bottom plate 1 can be completely fixed on the cover plate to prevent movement during use and affect the use effect. By setting the slope guide plate 4, the protective slag collected in the material blocking plate 3 can fall into the material falling port 7 better. By setting the folding plate 5, the accumulation of protective slag on the back side of the material blocking plate 3 is effectively prevented, so that the protective slag can only flow into the mold through the material falling port 7 under the blowing of compressed gas, thereby effectively further improving the utilization rate of the protective slag.

[0018] Specifically, the edges of the openings of the material blocking plates 3 on both sides are provided with folding plates 5, and the folding plates 5 on both sides are arranged in a horn shape on the bottom plate 1, which effectively prevents the accumulation of protective slag on the back side of the material blocking plate 3, so that the protective slag can only flow into the mold through the material falling port 7 under the blowing of compressed gas, thereby effectively further improving the utilization rate of the protective slag.

[0019] Preferably, the connecting portions of the slope guide plates 4 on both sides are provided with magnets 6, and the magnets 6 on both sides are attracted to each other, so that the two bottom plates can be quickly spliced into a complete circle to play a connecting role.

[0020] Further, the bottom plate 1 is provided with lifting lugs 9 for lifting, and the lifting lugs 9 are located at the middle position of the bottom plate 1, facilitating lifting and disassembly of the entire device.

[0021] Further, the number of clamping grooves 2 on each bottom plate 1 is three, and the clamping grooves 2 are uniformly distributed on the bottom plate 1. The uniform distribution of the clamping grooves 2 makes the stress between the bottom plate 1 and the cover plate more uniform and the connection more firm.

[0022] Further, the openings of the material blocking plates 3 on both sides are provided with blocking plates 8 for preventing backflow, and the blocking plates 8 are arranged on the bottom plate 1. The blocking plates 8 effectively prevent the protective slag at the bottom from being scattered to the outside with the backflowing wind, play a blocking role, and reduce the waste of protective slag.

[0023] The combined device for improving the utilization rate of the protective slag of the embodiment is used, the bottom plate 1 is clamped on the protruding block of the crystallizer cover plate through the clamping groove 2, the protective slag is re-collected through the falling opening 7 and flows into the crystallizer under the isolation and guiding effect of the material blocking plate 3, the utilization rate of the protective slag is improved, thus, the post cleaning is avoided, the dust problem in the post cleaning process is solved, the quality of the working environment is improved, the bottom plate 1 is set in a combined form of being divided into two parts, the device is convenient to disassemble and taken offline and handled under abnormal conditions, the clamping groove 2 is arranged, so that the bottom plate 1 can be completely fixed on the cover plate and is prevented from moving in the use process, and then the use effect is affected, the inclined guide plate 4 is arranged, so that the protective slag collected in the material blocking plate 3 can be better fallen into the falling opening 7, the folding plate 5 is arranged, the protective slag is effectively prevented from being blown to the rear side of the material blocking plate 3 and accumulated, so that the protective slag can only flow into the crystallizer from the falling opening 7 under the blowing of the compressed gas, and thus the utilization rate of the protective slag is effectively further improved.

[0024] The above is only the preferred embodiment of the utility model, it should be pointed out that for the person skilled in the art, without departing from the structure of the utility model, still can make several deformation and improvement, these will not influence the effect of the utility model implementation and the practicality of the patent.

Claims

1. A combined device for improving the utilization of protective slag, characterized in that, The utility model relates to a kind of mould bottom plate, including two semicircular bottom plates (1), two described bottom plates (1) are symmetrically arranged, the bottom plate (1) is equipped with multiple clamping slots (2) adapted with crystallizer cover plate protruding block, L-shaped material baffle (3) is equipped on the bottom plate (1), the shape of "N" type structure is enclosed by two sides material baffle (3), material drop port (7) for blanking is opened in the inside of material baffle (3), be equipped with inclined guide plate (4) between the edge of material drop port (7) and material baffle (3).

2. The combined device for improving the utilization rate of protective slag according to claim 1, characterized in that, The edge of the opening of two sides described material baffle (3) is equipped with folding plate (5), two sides described folding plate (5) are arranged in bottom plate (1) in horn shape.

3. The combined device for improving the utilization rate of protective slag according to claim 1, characterized in that, The junction of two sides described inclined guide plate (4) is equipped with magnet (6), two sides described magnet (6) are mutually adsorbed.

4. The combined device for improving the utilization rate of protective slag according to claim 1, characterized in that, Described bottom plate (1) is equipped with lifting lug (9) for hoisting, described lifting lug (9) is located in the middle position of bottom plate (1).

5. The combined device for improving the utilization rate of protective slag according to claim 1, characterized in that, The number of clamping slot (2) on each described bottom plate (1) is three, and the clamping slots (2) are evenly distributed on the bottom plate (1).

6. The combined device for improving the utilization rate of protective slag according to claim 1, characterized in that, The opening of two sides described material baffle (3) is equipped with blocking plate (8) for preventing backflow, and the blocking plate (8) is arranged on the bottom plate (1).

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