Novel crystallizer protective cover

Abstract

The utility model provides a novel crystallizer protective cover, which relates to the technical field of steelmaking continuous casting, and comprises a fixed cover and a movable cover, a plurality of groups of through grooves are arranged in the fixed cover at equal intervals, the through grooves are used for a crystallizer to pass through, and a gap is reserved between the crystallizer and the inner wall of each through groove. The movable cover is arranged at the upper end of the crystallizer and fixed to the crystallizer through a flange assembly. A communication port is formed in the middle position of the bottom in the movable cover, and is communicated with the interior of the crystallizer; the conical movable cover is arranged above the crystallizer and shields above the through groove, so that the casting powder is conveniently and intensively received, the casting powder is prevented from penetrating through the gap to enter the fixed cover, the vibration table is prevented from being polarized and blocked, the casting powder is prevented from being wasted, the structure is simple, the cost is low, the field use effect is good, the movable cover is fixed with the crystallizer through the flange assembly, and the service life of the casting powder is prolonged. Usage is convenient and dismounting is fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to a continuous casting technology field especially relates to a novel crystallizer protective cover. BACKGROUND

[0002] The crystallizer is a continuous casting steel equipment which receives molten steel from a tundish and solidifies into a solid shell according to a specified cross-sectional shape, and it is the most critical component of the continuous casting machine, and its structure, material and performance parameters play a decisive role in the quality of the casting blank and the production capacity of the casting machine.

[0003] In the use of the crystallizer, a vibration mechanism needs to be matched, the vibration mechanism is a key equipment of the continuous casting machine, and it is used for vibrating the crystallizer, and the crystallizer is vibrated to prevent the casting blank from being bonded with the copper pipe and leaking, the crystallizer is placed on a vibration bench, is positioned by using a positioning pin, and in the crystallizer vibration process, an automatic slag spraying device sprays protective slag into the copper pipe of the crystallizer, so that the casting blank and the copper pipe are lubricated, in this process, a fixed protective cover needs to be arranged outside the crystallizer, and the crystallizer passes through the fixed protective cover, the clearance between the perforation of the existing fixed protective cover and the crystallizer body is large, the sealing is not strict, and the protective slag and dust on the site are easy to enter the protective cover and the vibration mechanism from the clearance, so that the vibration bench is deviated, is blocked, and the protective slag is wasted, therefore, the utility model provides a novel crystallizer protective cover to solve the problems in the prior art. SUMMARY

[0004] In view of the above problems, the utility model provides a novel crystallizer protective cover, the novel crystallitzer protective cover is provided with a conical movable cover above the crystallizer, the movable cover is arranged above the through groove, and the movable cover is convenient for centrally receiving the protective slag, prevents the protective slag from entering the fixed cover through the clearance, prevents the vibration bench from being deviated and blocked, and avoids waste of the protective slag.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a novel crystallizer protective cover, including a fixed cover and a movable cover, a through groove is arranged in the fixed cover, and a plurality of groups of through grooves are equidistantly arranged, the through groove is used for allowing the crystallizer to pass through, and a gap is formed between the crystallizer and the inner wall of the through groove, the movable cover is arranged at the upper end of the crystallizer, and the movable cover is fixed with the crystallizer through a flange assembly.

[0006] A communication port is arranged at the middle position of the inner bottom of the movable cover, the communication port is communicated with the inside of the crystallizer, the upper opening diameter of the movable cover is greater than the diameter of the flange assembly, and the upper opening diameter of the movable cover is greater than the diameter of the through groove.

[0007] Further improvement lies in that the flange assembly comprises a first flange and a second flange, the first flange is arranged at the bottom of the movable cover, the second flange is arranged above the crystallizer, the first flange and the second flange are fixed through the first bolt, and the first bolt is provided with multiple groups.

[0008] Further improvement lies in that the second bolt is arranged at the edge of the bottom of the movable cover, and the second bolt is provided with multiple groups, and the second bolt is used for fixing with the first flange.

[0009] Further improvement lies in that the gap between the crystallizer and the inner wall of the through groove is 4.5-5.5mm in width.

[0010] Further improvement lies in that the slope of the side wall of the movable cover is 20°-30° in the vertical direction, and the height of the movable cover is 4.5-5.5cm.

[0011] Further improvement lies in that the inner side of the side wall of the movable cover is provided with an embedded groove, and the embedded groove is filled with a reinforcing rib.

[0012] Further improvement lies in that the height of the crystallizer is greater than the thickness of the fixed cover.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model discloses a movable cover of conical shape is set up above the crystallizer, and the movable cover is arranged above the through groove, so that the protective slag can be conveniently received and concentrated, the protective slag is prevented from entering the fixed cover through the gap, the vibration table is prevented from deflecting and being blocked, the waste of the protective slag is avoided, the structure is simple, the cost is low, the on-site use effect is good, and the movable cover is fixed with the crystallizer through the flange assembly, so that the movable cover is convenient to use and quick to disassemble and assemble.

[0015] 2. The side wall of the movable cover has a certain slope, so that the protective slag can be concentrated and received, and the strength of the movable cover as a whole can be improved through the reinforcing rib filled in the inner side of the side wall of the movable cover, so that the deformation of the movable cover is avoided, and the protection effect is ensured. DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the Figure 1 structure schematic view of A place in the utility model;

[0018] Figure 3 It is the side view of the utility model;

[0019] Figure 4 It is the crystallizer and fixed cover section view schematic view of the utility model;

[0020] Figure 5The utility model discloses a movable cover structure schematic diagram.

[0021] Among them: 1, fixed cover, 2, movable cover, 3, through groove, 4, crystallizer, 5, communication port, 6, first flange, 7, second flange, 8, first bolt, 9, second bolt, 10, inlay groove, 11, reinforcing rib. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the present embodiment is only used to explain the utility model, and does not constitute the limitation of the protection scope of the utility model.

[0023] Example one

[0024] According to Figure 1 , 2 , 3, 4, 5, the present embodiment proposes a new crystallizer protective cover, including fixed cover 1 and movable cover 2, the inside of fixed cover 1 is equipped with through groove 3, and through groove 3 is equidistantly equipped with multiple groups, through groove 3 is used for the crystallizer 4 to pass through, and there is a gap between the crystallizer 4 and the inner wall of through groove 3, the movable cover 2 is arranged at the upper end of the crystallizer 4, and the movable cover 2 is fixed with the crystallizer 4 through the flange assembly.

[0025] The middle position of the inside bottom of movable cover 2 is equipped with communication port 5, and the communication port 5 is communicated with the inside of crystallizer 4, the upper opening caliber of movable cover 2 is greater than the caliber of flange assembly, and the upper opening caliber of movable cover 2 is greater than the caliber of through groove 3. When using, the movable cover 2 of conical shape is arranged above the crystallizer 4, is shielded above the through groove 3, is convenient for concentratedly receiving protective slag, prevents protective slag from passing through the gap into the fixed cover 1, prevents the vibration table from polarizing, and avoids the waste of protective slag, the structure is simple, the cost is low, the on-site use effect is good, and the movable cover 2 is fixed with the crystallizer 4 through the flange assembly, is convenient to use, and is quickly disassembled.

[0026] The flange assembly includes first flange 6 and second flange 7, the first flange 6 is arranged at the bottom of movable cover 2, the second flange 7 is arranged above the crystallizer 4, the first flange 6 and the second flange 7 are fixed through first bolt 8, and the first bolt 8 is equipped with multiple groups. The edge of the bottom of movable cover 2 is equipped with second bolt 9, and the second bolt 9 is equipped with multiple groups, and the second bolt 9 is used for being fixed with the first flange 6. When using, the movable cover 2 is fixed through the second bolt 9 and the first flange 6, the first flange 6 and the second flange 7 are fixed through the first bolt 8, so as to concentrately receive protective slag, prevent protective slag from passing through the gap into the fixed cover 1, convenient to use, and quickly disassembled.

[0027] The gap between the crystallizer 4 and the inner wall of the through groove 3 is 5mm. The slope of the side wall of the movable cover 2 in the vertical direction is 20°-30°, and the height of the movable cover 2 is 5cm. The height of the crystallizer 4 is greater than the thickness of the fixed cover 1. The gap between the crystallizer 4 and the inner wall of the through groove 3 is 5mm (the fixed cover 1 does not interfere with the body of the crystallizer 4 when the crystallizer is vibrated up and down), and the movable cover 2 is conical. The slope of the four edges of the movable cover 2 in the vertical direction is 20°-30°. The height of the movable cover 2 is 5cm. The movable cover 2 is arranged above the through groove 3, which facilitates the centralized reception of the protective slag. The structure is simple, easy to manufacture, reliable in operation, and can avoid the interference between the fixed cover 1 and the crystallizer 4 and the outflow of the protective slag.

[0028] Embodiment two

[0029] According to Figure 1 , 2 , 3, 4, 5, the embodiment provides a novel crystallizer protective cover, which comprises a fixed cover 1 and a movable cover 2. The fixed cover 1 is internally provided with through grooves 3, and the through grooves 3 are equidistantly provided with multiple groups. The through grooves 3 are used for allowing the crystallizer 4 to pass through, and a gap is left between the crystallizer 4 and the inner wall of the through groove 3. The movable cover 2 is arranged at the upper end of the crystallizer 4, and the movable cover 2 is fixed to the crystallizer 4 through a flange assembly.

[0030] A communication port 5 is arranged at the middle position of the inner bottom of the movable cover 2, and the communication port 5 is in communication with the inside of the crystallizer 4. The upper opening caliber of the movable cover 2 is greater than the caliber of the flange assembly, and the upper opening caliber of the movable cover 2 is greater than the caliber of the through groove 3. In use, the movable cover 2 in a conical shape is arranged above the crystallizer 4, and covers the upper part of the through groove 3, so as to facilitate the centralized reception of the protective slag, prevent the protective slag from passing through the gap into the fixed cover 1, prevent the vibration table from being deflected and blocked, avoid the waste of the protective slag, and have a simple structure and low cost. The on-site use effect is good, and the movable cover 2 is fixed to the crystallizer 4 through the flange assembly, so as to be convenient to use and quick to disassemble and assemble.

[0031] The flange assembly comprises a first flange 6 and a second flange 7. The first flange 6 is arranged at the bottom of the movable cover 2, and the second flange 7 is arranged above the crystallizer 4. The first flange 6 and the second flange 7 are fixed through a first bolt 8, and the first bolt 8 is provided in multiple groups. Second bolts 9 are arranged at the edges of the bottom of the movable cover 2, and the second bolts 9 are provided in multiple groups. The second bolts 9 are used for being fixed to the first flange 6. In use, the movable cover 2 is fixed through the second bolts 9 and the first flange 6, and the first flange 6 and the second flange 7 are fixed through the first bolt 8, so as to achieve the effects of centralized reception of the protective slag and prevention of the protective slag from passing through the gap into the fixed cover 1. The use is convenient, and the disassembly and assembly are quick.

[0032] The side wall of the movable cover 2 is internally provided with an embedded groove 10, and the embedded groove 10 is internally filled with reinforcing ribs 11. The side wall of the movable cover 2 has a certain slope to achieve the effect of concentrating the receiving of protective slag. The reinforcing ribs 11 filled in the side wall of the movable cover 2 can improve the overall strength of the movable cover 2 and prevent deformation, thereby ensuring the protection effect.

[0033] The movable cover 2 is fixed to the crystallizer 4 through a flange assembly, is convenient to use, and can be quickly disassembled and assembled. Meanwhile, the side wall of the movable cover 2 has a certain slope to achieve the effect of concentrating the receiving of protective slag. The reinforcing ribs 11 filled in the side wall of the movable cover 2 can improve the overall strength of the movable cover 2 and prevent deformation, thereby ensuring the protection effect.

[0034] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples. The above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of mould protector cover comprising a fixed cover (1) and a movable cover (2), characterised in that: The inside of the fixed cover (1) is provided with through grooves (3), and the through grooves (3) are equidistantly provided with multiple groups, the through grooves (3) are used for the crystallizer (4) to pass through, and a gap is left between the crystallizer (4) and the inner wall of the through groove (3), the movable cover (2) is arranged at the upper end of the crystallizer (4), and the movable cover (2) is fixed with the crystallizer (4) through a flange assembly; The inside of the movable cover (2) is provided with a communication port (5) at the middle position of the bottom, the communication port (5) is communicated with the inside of the crystallizer (4), the upper opening caliber of the movable cover (2) is greater than the caliber of the flange assembly, and the upper opening caliber of the movable cover (2) is greater than the caliber of the through groove (3).

2. A novel mould protector according to claim 1, characterised in that: The flange assembly comprises a first flange (6) and a second flange (7), the first flange (6) is arranged at the bottom of the movable cover (2), the second flange (7) is arranged above the crystallizer (4), the first flange (6) and the second flange (7) are fixed through a first bolt (8), and the first bolt (8) is provided with multiple groups.

3. A new type of mould protector according to claim 2, characterized in that: The edge of the bottom of the movable cover (2) is provided with a second bolt (9), and the second bolt (9) is provided with multiple groups, the second bolt (9) is used for fixing with the first flange (6).

4. A new type of mould protector according to claim 1, characterized in that: The gap between the crystallizer (4) and the inner wall of the through groove (3) is 4.5-5.5mm in width.

5. A new type of mould protector according to claim 1, characterized in that: The slope of the side wall of the movable cover (2) in the vertical direction is 20°-30°, and the height of the movable cover (2) is 4.5-5.5cm.

6. A new type of mould protector according to claim 1, characterized in that: The inside of the side wall of the movable cover (2) is provided with an embedded groove (10), and the embedded groove (10) is filled with a reinforcing rib (11) inside.

7. A new type of mould protector according to claim 1, characterized in that: The height of the crystallizer (4) is greater than the thickness of the fixed cover (1).

Images