Filter type continuous casting long nozzle

Abstract

The utility model discloses a filter type continuous casting long nozzle, which relates to the technical field of continuous casting, and adopts the technical scheme that the filter type continuous casting long nozzle comprises a long nozzle upper section, a long nozzle lower section is arranged at the bottom of the long nozzle upper section, and a filter component is arranged on one side of the long nozzle upper section; a fixing plate is fixedly arranged on one side of the upper long nozzle section, a motor is fixedly arranged at the top of the fixing plate, a rotating shaft is fixedly connected to the output end of the motor, a connecting shell is fixedly arranged at one end of the rotating shaft, a rotating rod is connected to one side of the connecting shell through a bearing, and a long nozzle middle section is fixedly connected to one end of the rotating rod. The long nozzle middle section is arranged between the long nozzle upper section and the long nozzle lower section, and a filter plate is arranged in the long nozzle middle section. The long nozzle has the beneficial effects that the long nozzle middle section is controlled to move out of the bottom of the long nozzle upper section, and the rotating rod drives the long nozzle middle section to rotate, so that the flexible rotation and movement of the long nozzle middle section are realized; accumulated solid impurities and suspended solids can be conveniently and regularly cleaned, the molten steel conveying efficiency is remarkably improved, and the service life of the long nozzle is remarkably prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to continuous casting technical field, concretely relates to a filter formula continuous casting long water gap. BACKGROUND

[0002] Continuous casting is the abbreviation of continuous casting steel, in the production of all kinds of steel products in the steel plant, there are two methods to use molten steel solidification forming: traditional mold casting method and continuous casting method, continuous casting technology has the advantages of greatly improving the metal yield and the quality of the billet, saving energy, when molten steel is poured from the ladle to the tundish, in order to avoid oxidation and splashing, a long water gap is installed at the lower end of the sliding water gap at the bottom of the ladle, one end is connected with the lower water gap, and the other end is inserted into the molten steel in the tundish to seal and protect pouring.

[0003] The existing continuous casting long water gap filter assembly cannot be flexibly adjusted, and it is difficult to clean the accumulated solid impurities and suspended matters, resulting in low molten steel conveying efficiency. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a filter formula continuous casting long water gap to solve the problem that the continuous casting long water gap filter assembly cannot be flexibly adjusted, it is difficult to clean the accumulated solid impurities and suspended matters, and the molten steel conveying efficiency is low.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a filter formula continuous casting long water gap, including long water gap upper segment, long water gap lower segment is equipped at long water gap upper segment bottom, long water gap upper segment one side is equipped with filter assembly;

[0006] The fixed plate is fixed on one side of the long water gap upper segment, the motor is fixed on the top of the fixed plate, the output end of the motor is fixedly connected with the rotating shaft, the connecting shell is fixed on one end of the rotating shaft, the rotating rod is connected with the connecting shell through the bearing on one side, the long water gap middle segment is fixedly connected with one end of the rotating rod, the long water gap middle segment is arranged between the long water gap upper segment and the long water gap lower segment, and the filter plate is arranged in the long water gap middle segment.

[0007] Preferably, the rotating rod is fixedly sleeved with a worm wheel outside, the connecting shell is connected with a worm inside through the bearing, the worm is engaged with the worm wheel, one end of the worm extends out of the connecting shell, and the knob is fixedly connected with one end of the worm.

[0008] Preferably, the bottom plate is fixedly arranged on the bottom of the connecting shell, the reinforcing plate is fixedly arranged on one side of the bottom plate, the shaft sleeve is sleeved with the rotating rod outside through the bearing, and the shaft sleeve is fixedly connected with the reinforcing plate.

[0009] Preferably, the limiting plate is fixedly arranged on one side of the rotating rod.

[0010] Preferably, a plurality of fixing rods are fixedly connected between the long nozzle upper section and the long nozzle lower section.

[0011] Preferably, an inner pipe section is fixedly arranged inside the long nozzle upper section.

[0012] Preferably, the filter plate slides inside the long nozzle middle section.

[0013] Preferably, a baffle is fixedly arranged on one side of the connecting shell and in contact with the limiting plate.

[0014] The embodiment of the utility model has the following advantages:

[0015] The solid impurities and suspended matters in the molten steel are filtered by the filter plate, the long nozzle middle section is moved out from the bottom of the long nozzle upper section by control, the worm drives the rotation of the worm wheel, the worm wheel drives the rotation of the rotating rod, the rotating rod drives the rotation of the long nozzle middle section, the flexible rotation and movement of the long nozzle middle section are realized, the accumulated solid impurities and suspended matters are conveniently cleaned periodically, and the molten steel conveying efficiency and the service life of the long nozzle are remarkably improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creating labor.

[0017] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that can be implemented by the utility model, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be produced by the utility model, should still fall within the scope covered by the technical content disclosed by the utility model.

[0018] Figure 1 The overall structure front view provided by the utility model is provided.

[0019] Figure 2 The overall structure rear view provided by the utility model is provided.

[0020] Figure 3 The overall structure cross-sectional view provided by the utility model is provided.

[0021] Figure 4 The overall structure provided by the utility model is provided. Figure 3 The structure of A part in the middle is enlarged.

[0022] In the figure: 1, the upper section of the long nozzle; 2, the lower section of the long nozzle; 3, the middle section of the long nozzle; 4, the fixed rod; 5, the fixed plate; 6, the motor; 7, the connecting shell; 8, the knob; 9, the shaft sleeve; 10, the rotating rod; 11, the bottom plate; 12, the reinforcing plate; 13, the filter plate; 14, the limiting plate; 15, the baffle; 16, the rotating shaft; 17, the worm; 18, the worm gear; 19, the inner tube section. DETAILED DESCRIPTION

[0023] The implementation of the present application will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Refer to the attached Figure 1 -attached Figure 4 The filter type continuous casting long nozzle provided by the present application comprises an upper section of long nozzle 1, the bottom of which is provided with a lower section of long nozzle 2, and one side of the upper section of long nozzle 1 is provided with a filter assembly.

[0025] The upper section of long nozzle 1 is fixedly provided with a fixed plate 5 on one side, and the top of the fixed plate 5 is fixedly provided with a motor 6. The output end of the motor 6 is fixedly connected with a rotating shaft 16, one end of which is fixedly provided with a connecting shell 7. The connecting shell 7 is connected with a rotating rod 10 through a bearing on one side, and one end of the rotating rod 10 is fixedly connected with a middle section of long nozzle 3. The middle section of long nozzle 3 is arranged between the upper section of long nozzle 1 and the lower section of long nozzle 2, and the inside of the middle section of long nozzle 3 is provided with a filter plate 13. The rotating rod 10 is fixedly sleeved with a worm gear 18 outside, and the connecting shell 7 is connected with a worm 17 through a bearing inside. The worm 17 is engaged with the worm gear 18, and one end of the worm 17 extends out of the connecting shell 7. One end of the worm 17 is fixedly connected with a knob 8, and the filter plate 13 slides inside the middle section of long nozzle 3.

[0026] In the embodiment, the molten steel is injected into the upper section 1 of the long nozzle, the molten steel enters the middle section 3 of the long nozzle through the inner tube section 19, the solid impurities and suspended matters in the molten steel are filtered through the filter plate 13, and then the molten steel is poured through the lower section 2 of the long nozzle. When the solid impurities and suspended matters in the middle section 3 of the long nozzle accumulate too much, the motor 6 is started, the motor 6 controls the rotation of the rotating shaft 16, the rotating shaft 16 drives the connection shell 7 to rotate, the connection shell 7 drives the rotating rod 10 to rotate, the rotating rod 10 drives the middle section 3 of the long nozzle to rotate, so that the middle section 3 of the long nozzle is moved out from the bottom of the upper section 1 of the long nozzle, then the knob 8 is rotated, the knob 8 drives the worm 17 to rotate, the worm 17 drives the worm wheel 18 to rotate, the worm wheel 18 drives the rotating rod 10 to rotate, the rotating rod 10 drives the middle section 3 of the long nozzle to rotate, and the middle section 3 of the long nozzle is rotated to pour out the solid impurities and suspended matters in the middle section 3 of the long nozzle. The middle section 3 of the long nozzle can be disassembled for replacement or cleaning;

[0027] In order to achieve the purpose of reinforcement, the device adopts the following technical scheme: the bottom of the connection shell 7 is fixedly provided with a bottom plate 11, one side of the bottom plate 11 is fixedly provided with a reinforcing plate 12, the outside of the rotating rod 10 is provided with a shaft sleeve 9 through a bearing, and the shaft sleeve 9 is fixedly connected with the reinforcing plate 12. The bottom plate 11, the reinforcing plate 12 and the shaft sleeve 9 support and reinforce the middle section 3 of the long nozzle;

[0028] In order to achieve the purpose of blocking, the device adopts the following technical scheme: one side of the rotating rod 10 is fixedly provided with a limiting plate 14, one side of the connection shell 7 is fixedly provided with a baffle 15, the baffle 15 is in contact with the limiting plate 14, the rotation of the middle section 3 of the long nozzle is controlled, after the limiting plate 14 contacts the baffle 15, the middle section 3 of the long nozzle cannot continue to rotate and is in a parallel state with the upper section 1 and the lower section 2 of the long nozzle, so as to facilitate the control of the movement of the middle section 3 of the long nozzle between the upper section 1 and the lower section 2 of the long nozzle;

[0029] In order to achieve the purpose of connection, the device adopts the following technical scheme: a plurality of fixed rods 4 are fixedly connected between the upper section 1 and the lower section 2 of the long nozzle, and the lower section 2 of the long nozzle is fixedly connected with the upper section 1 of the long nozzle through the fixed rods 4;

[0030] In order to achieve the purpose of preventing overflow, the device adopts the following technical scheme: the inner tube section 19 is fixedly arranged in the upper section 1 of the long nozzle, the inner tube section 19 injects the molten steel into the middle section 3 of the long nozzle, and the molten steel is prevented from overflowing from the gap between the middle section 3 of the long nozzle and the upper section 1 of the long nozzle.

[0031] The use process of the utility model is as follows: when the utility model is used, the molten steel is injected into the inside of the upper section 1 of the long nozzle, the molten steel enters the inside of the middle section 3 of the long nozzle through the inner pipe section 19, the solid impurities and suspended matters in the molten steel are filtered through the filter plate 13, then the molten steel is poured through the lower section 2 of the long nozzle, when the solid impurities and suspended matters in the inside of the middle section 3 of the long nozzle accumulate too much, the motor 6 is started, the motor 6 controls the rotation of the rotating shaft 16, the rotating shaft 16 drives the rotation of the connecting shell 7, the connecting shell 7 drives the rotation of the rotating rod 10, the rotating rod 10 drives the rotation of the middle section 3 of the long nozzle, the middle section 3 of the long nozzle is moved out from the bottom of the upper section 1 of the long nozzle, then the knob 8 is rotated, the knob 8 drives the rotation of the worm 17, the worm 17 drives the rotation of the worm wheel 18, the worm wheel 18 drives the rotation of the rotating rod 10, the rotating rod 10 drives the rotation of the middle section 3 of the long nozzle, the middle section 3 of the long nozzle is rotated to pour out the solid impurities and suspended matters in the inside thereof, meanwhile the middle section 3 of the long nozzle is detachable to be replaced or cleaned, then the rotation of the middle section 3 of the long nozzle is controlled again, after the limiting plate 14 contacts the baffle 15, the middle section 3 of the long nozzle cannot continue to rotate and is in parallel with the upper section 1 of the long nozzle and the lower section 2 of the long nozzle, which is convenient for controlling the movement of the middle section 3 of the long nozzle between the upper section 1 of the long nozzle and the lower section 2 of the long nozzle.

[0032] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the utility model by using the technical solutions described above or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection of the utility model.

Claims

1. A filter-type continuous casting shroud comprising an upper shroud segment (1), characterized in that: The bottom of the long nozzle upper section (1) is provided with a long nozzle lower section (2), and one side of the long nozzle upper section (1) is provided with a filter assembly. One side of the long nozzle upper section (1) is fixedly provided with a fixed plate (5), the top of the fixed plate (5) is fixedly provided with a motor (6), the output end of the motor (6) is fixedly connected with a rotating shaft (16), one end of the rotating shaft (16) is fixedly provided with a connecting shell (7), one side of the connecting shell (7) is connected with a rotating rod (10) through a bearing, one end of the rotating rod (10) is fixedly connected with a long nozzle middle section (3), the long nozzle middle section (3) is arranged between the long nozzle upper section (1) and the long nozzle lower section (2), and the inside of the long nozzle middle section (3) is provided with a filter plate (13).

2. A filter-type casting shroud according to claim 1, characterized in that: The rotating rod (10) is fixedly sleeved with a worm wheel (18) outside, the connecting shell (7) is connected with a worm gear (17) through a bearing inside, the worm gear (17) is engaged with the worm wheel (18), one end of the worm gear (17) extends out of the connecting shell (7), and the one end of the worm gear (17) is fixedly connected with a knob (8).

3. The filter-type continuous-casting shroud according to claim 1, characterized in that: The bottom of the connecting shell (7) is fixedly provided with a bottom plate (11), one side of the bottom plate (11) is fixedly provided with a reinforcing plate (12), the rotating rod (10) is sleeved with a shaft sleeve (9) outside through a bearing, and the shaft sleeve (9) is fixedly connected with the reinforcing plate (12).

4. The filter-type continuous-casting shroud according to claim 1, characterized in that: One side of the rotating rod (10) is fixedly provided with a limiting plate (14).

5. The filter-type continuous-casting shroud according to claim 1, characterized in that: A plurality of fixed rods (4) are fixedly connected between the long nozzle upper section (1) and the long nozzle lower section (2).

6. The filter-type continuous-casting shroud according to claim 1, characterized in that: The inside of the long nozzle upper section (1) is fixedly provided with an inner tube section (19).

7. The filter-type continuous-casting shroud according to claim 1, characterized in that: The filter plate (13) slides inside the long nozzle middle section (3).

8. The filter-type continuous-casting shroud according to claim 4, characterized in that: One side of the connecting shell (7) is fixedly provided with a baffle (15), and the baffle (15) is in contact with the limiting plate (14). One side of the connecting shell (7) is fixedly provided with a baffle (15), and the baffle (15) is in contact with the limiting plate (14).

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