A cement vertical mill dust removal device

Abstract

The utility model belongs to the technical field of cement production, and is particularly a cement vertical mill dust removal device, comprising a vertical mill housing, a top shell is arranged on the top of the vertical mill housing, an electric telescopic rod is arranged on the top of the top shell, and a support plate is arranged on the outside of the electric telescopic rod. Two inner grooves are arranged on the inner side of the support plate, a spring is fixedly connected to the inner side of the inner groove, a sliding rod is fixedly connected to the end of the spring away from the inner groove, and a trapezoidal block is fixedly connected to the end of the sliding rod, a bearing seat is arranged on the inner top of the top shell, a hollow shaft is arranged on the inner side of the bearing seat, a secondary wheel is fixedly connected to the outside of the hollow shaft, a main wheel is meshed with the outside of the secondary wheel, and a driving motor is fixedly connected to the outside of the main wheel, an equipment frame is arranged on the bottom of the support plate, a dust suction motor is arranged on the inner side of the equipment frame, and a collection box with a dust suction head is arranged on the outside of the dust suction motor. The cement vertical mill dust removal device achieves the effect of conveniently allowing users to clean dust inside the vertical mill.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production, in particular to a cement vertical mill dust removal device. Background Art

[0002] Cement vertical mill is mainly used for grinding cement clinker. In recent years, with the improvement of vertical mill design and manufacturing technology and the innovation of grinding process, vertical mill has been successfully used as cement final grinding equipment abroad. However, cement vertical mill will generate a lot of dust during use. At this time, the cement vertical mill must be cleaned by dust removal device.

[0003] The existing dust removal device is inconvenient to clean the inner wall of the cement vertical mill when in use, which results in incomplete dust removal and causes dust to float during dust removal, thereby polluting the environment. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a cement vertical mill dust removal device, which solves the problem that the existing dust removal device is inconvenient to use and to clean the inner wall of the cement vertical mill, which results in incomplete dust removal and causes dust to float during dust removal, thereby polluting the environment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement vertical mill dust removal device, comprising a vertical mill shell, a feed port and a discharge port are respectively arranged on both sides of the vertical mill shell, a grinding disc and a grinding roller are respectively arranged on the inner side of the vertical mill shell, a driving mechanism is arranged at the bottom of the grinding disc, a top shell is arranged on the top of the vertical mill shell, an electric telescopic rod is arranged on the top of the top shell, and a support plate is arranged on the outside of the electric telescopic rod. Two inner grooves are provided on the inner side of the support plate, and a spring is fixedly connected to the inner side of the inner groove, and a sliding rod is fixedly connected to the end of the spring away from the inner groove, and a trapezoidal block is fixedly connected to the end of the sliding rod, and a bearing seat is provided on the inner top of the top shell, and a hollow rotating shaft is provided on the inner side of the bearing seat, and a secondary wheel is fixedly connected to the outside of the hollow rotating shaft, and a main wheel is meshed with the outside of the secondary wheel, and a driving motor is fixedly connected to the outside of the main wheel, and an equipment frame is provided at the bottom of the support plate, and a dust suction motor is provided on the inner side of the equipment frame, and a collection box with a dust suction head is provided on the outside of the dust suction motor, and fan blades are also provided on the outside of the hollow rotating shaft.

[0006] As a preferred technical solution of the utility model, the feed port and the discharge port are respectively distributed on both sides of the vertical mill housing, and the main motor and the reducer are also arranged at the bottom of the vertical mill housing.

[0007] As a preferred technical solution of the utility model, the top shell is installed on the top of the vertical mill housing through a plurality of bolts, the electric telescopic rod passes through the top shell and the hollow shaft and is connected to the support plate, and a limit plate is also arranged on the outside of the electric telescopic rod, which can prevent the electric telescopic rod from moving excessively and thus causing damage to the support plate. During daily work, the limit plate will maintain a certain distance from the hollow shaft, and a sealing setting is adopted at the connection between the electric telescopic rod and the hollow shaft.

[0008] As a preferred technical solution of the utility model, the bearing seat is installed on the inner top of the top shell by a number of bolts, the main wheel and the secondary wheel are both bevel gears, the drive motor is arranged on the outside of the top shell and a protective shell is provided on the outside of the drive motor, and the output shaft of the drive motor passes through the top shell and is fixedly connected to the main wheel.

[0009] As a preferred technical solution of the utility model, there are two springs, two slide rods and two trapezoidal blocks, one end of the two springs is respectively fixedly connected to the inner side of the two inner grooves and the other ends of the two springs are respectively fixedly connected to the two slide rods, one end of the two slide rods away from the two springs passes through the two inner grooves and is fixedly connected to the two trapezoidal blocks, the sizes of the two trapezoidal blocks match the outer casing of the vertical mill and brushes are provided on the outside of the two trapezoidal blocks.

[0010] As a preferred technical solution of the utility model, the dust suction motor is distributed at the bottom of the support plate, and a connecting pipe is provided on the outside of the dust suction motor. The end of the connecting pipe away from the dust suction motor is connected to the collection box. The collection box is also distributed on the inner side of the equipment frame, and a number of dust suction heads are provided on both sides of the collection box.

[0011] As a preferred technical solution of the present utility model, other components not mentioned in this application are all existing mechanisms and will not be described in detail again.

[0012] Compared with the prior art, the utility model provides a cement vertical mill dust removal device, which has the following beneficial effects:

[0013] The cement vertical mill dust removal device is provided with a vertical mill shell, a feed port, a discharge port, a grinding disc, a grinding roller, a top shell, an electric telescopic rod, a support plate, an inner groove, a spring, a sliding rod, a trapezoidal block, a bearing seat, a hollow rotating shaft, a secondary wheel, a main wheel, a driving motor, an equipment frame, a dust suction motor, and a collection box. When in use, the user can grind cement through the feed port, the grinding disc, the grinding roller and other mechanisms. When the grinding is completed, the main wheel can be driven to rotate by the driving motor, the rotation of the main wheel drives the secondary wheel to rotate, the rotation of the secondary wheel drives the hollow rotating shaft to rotate, and the rotation of the hollow rotating shaft drives the fan blades to rotate. At this time, the fan blades can attract the ground cement, and the cement can be discharged through the discharge port. When When it is necessary to remove dust from the vertical mill, the user can start the electric telescopic rod and the dust suction motor. The electric telescopic rod will drive the support plate to move, and the movement of the support plate will drive the sliding rod, the equipment frame, and the trapezoidal block to move. The trapezoidal block can move in tight contact with the inner wall of the vertical mill casing through the spring. When the trapezoidal block moves, the brush on its outside can clean the inner wall of the vertical mill casing. The dust suction motor will absorb the dust cleaned by the brush through the dust suction head on the outside of the collection box. As the electric telescopic rod continues to work, the support plate will continue to move, and the dust in the vertical mill casing can be cleaned, thereby achieving the effect of facilitating the user to clean the dust inside the vertical mill. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0015] Figure 2 It is an enlarged schematic diagram of the local structure of the utility model;

[0016] Figure 3 This is an enlarged schematic diagram of the structure at A of the utility model;

[0017] Figure 4 It is a three-dimensional schematic diagram of the local structure of the utility model.

[0018] In the figure: 1. vertical mill housing; 2. feed inlet; 3. discharge outlet; 4. grinding disc; 5. grinding roller; 6. top shell; 7. electric telescopic rod; 8. support plate; 9. inner groove; 10. spring; 11. slide bar; 12. trapezoidal block; 13. bearing seat; 14. hollow shaft; 15. secondary wheel; 16. main wheel; 17. driving motor; 18. equipment frame; 19. dust suction motor; 20. collection box; 21. fan blades. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 In this embodiment: a cement vertical mill dust removal device comprises a vertical mill housing 1, a feed port 2 and a discharge port 3 are respectively arranged on both sides of the vertical mill housing 1, a grinding disc 4 and a grinding roller 5 are respectively arranged on the inner side of the vertical mill housing 1, a driving mechanism is arranged at the bottom of the grinding disc 4, a top shell 6 is arranged on the top of the vertical mill housing 1, an electric telescopic rod 7 is arranged on the top of the top shell 6, and a support plate 8 is arranged on the outside of the electric telescopic rod 7. Two inner grooves 9 are provided on the inner side of the support plate 8, and a spring 10 is fixedly connected to the inner side of the inner groove 9, and a sliding rod 11 is fixedly connected to the end of the spring 10 away from the inner groove 9, and a trapezoidal block 12 is fixedly connected to the end of the sliding rod 11, and a bearing seat 13 is provided on the inner top of the top shell 6, and a hollow rotating shaft 14 is provided on the inner side of the bearing seat 13, and a secondary wheel 15 is fixedly connected to the outside of the hollow rotating shaft 14, and a main wheel 16 is meshed with the outside of the secondary wheel 15, and a driving motor 17 is fixedly connected to the outside of the main wheel 16, and an equipment frame 18 is provided at the bottom of the support plate 8, and a dust suction motor 19 is provided on the inner side of the equipment frame 18, and a collecting box 20 with a dust suction head is provided on the outside of the dust suction motor 19, and a fan blade 21 is also provided on the outside of the hollow rotating shaft 14.

[0021] The feed port 2 and the discharge port 3 are respectively distributed on both sides of the vertical mill housing 1. The bottom of the vertical mill housing 1 is also provided with a main motor and a reducer, so that the user can grind the cement through the feed port 2, the grinding disc 4, the grinding roller 5 and other existing mechanisms in the vertical mill. When the grinding is completed, the main wheel 16 can be driven by the driving motor 17 to rotate, and the rotation of the main wheel 16 drives the secondary wheel 15 to rotate, and the rotation of the secondary wheel 15 drives the hollow shaft 14 to rotate, and the rotation of the hollow shaft 14 drives the fan blades 21 to rotate. At this time, the fan blades 21 can attract the ground cement, and the cement can be discharged through the discharge port 3. The top shell 6 is installed on the top of the vertical mill housing 1 by a number of bolts, and the electric telescopic rod 7 passes through the top shell 6 and the hollow shaft 14 and is connected to the support plate 8, and the electric telescopic rod 7. The outside of the housing 6 is also provided with a limit plate, a seal is adopted at the connection between the electric telescopic rod 7 and the hollow rotating shaft 14, the bearing seat 13 is installed on the inner top of the top shell 6 by a number of bolts, the main wheel 16 and the secondary wheel 15 are both bevel gears, the driving motor 17 is arranged on the outside of the top shell 6 and a protective shell is arranged on the outside of the driving motor 17, the output shaft of the driving motor 17 passes through the top shell 6 and is fixedly connected with the main wheel 16, there are two springs 10, sliding rods 11 and trapezoidal blocks 12, one end of the two springs 10 is respectively fixedly connected to the inner side of the two inner grooves 9 and the other end of the two springs 10 is respectively fixedly connected to the two sliding rods 11, the ends of the two sliding rods 11 away from the two springs 10 are respectively passed through the two inner grooves 9 and are fixedly connected to the two trapezoidal blocks 12, the sizes of the two trapezoidal blocks 12 are matched with the vertical mill housing 1 and the outsides of the two trapezoidal blocks 12 are provided with brushes, so that when it is necessary to remove dust from the vertical mill, the user The electric telescopic rod 7 can be started, and the electric telescopic rod 7 drives the support plate 8 to move. The movement of the support plate 8 drives the sliding rod 11, the equipment frame 18, and the trapezoidal block 12 to move. The movement of the trapezoidal block 12 can be in close contact with the inner wall of the vertical mill housing 1 through the spring 10. When the trapezoidal block 12 moves, the brush on the outside can clean the inner wall of the vertical mill housing 1. The dust suction motor 19 is distributed at the bottom of the support plate 8. A connecting pipe is also provided on the outside of the dust suction motor 19. The end of the connecting pipe away from the dust suction motor 19 is connected to the collection box 20. The collection box 20 is also distributed on the inner side of the equipment frame 18. A plurality of dust suction heads are provided on both sides of the collection box 20, so that the user can start the dust suction motor 19. When the dust suction motor 19 works, the dust and the like cleaned by the brush are absorbed through the dust suction head on the outside of the collection box 20. As the electric telescopic rod 7 continues to work, the support plate 8 will continue to move, and the dust in the vertical mill housing 1 can be cleaned at this time.

[0022] The working principle and use process of the utility model are as follows: the user can grind cement through the existing mechanisms in the vertical mill such as the feed port 2, the grinding disc 4, the grinding roller 5, etc. After grinding, the main wheel 16 can be driven by the driving motor 17 to rotate, the rotation of the main wheel 16 drives the secondary wheel 15 to rotate, the rotation of the secondary wheel 15 drives the hollow shaft 14 to rotate, and the rotation of the hollow shaft 14 drives the fan blades 21 to rotate. At this time, the fan blades 21 can attract the ground cement, and the cement can be discharged through the discharge port 3. When it is necessary to remove dust from the vertical mill, the user can start the electric telescopic rod 7 and the suction rod 7. The dust motor 19 and the electric telescopic rod 7 drive the support plate 8 to move, and the movement of the support plate 8 drives the sliding rod 11, the equipment frame 18, and the trapezoidal block 12 to move. The movement of the trapezoidal block 12 can be in tight contact with the inner wall of the vertical mill housing 1 through the spring 10. When the trapezoidal block 12 moves, the brush on its outside can clean the inner wall of the vertical mill housing 1. When the dust motor 19 works, the dust cleaned by the brush will be absorbed through the dust head on the outside of the collection box 20. As the electric telescopic rod 7 continues to work, the support plate 8 will continue to move, and the dust in the vertical mill housing 1 can be cleaned at this time.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cement vertical mill dust removal device, comprising a vertical mill housing (1), characterized in that: A feed port (2) and a discharge port (3) are respectively arranged on both sides of the vertical mill housing (1), a grinding disc (4) and a grinding roller (5) are respectively arranged on the inner side of the vertical mill housing (1), a driving mechanism is arranged at the bottom of the grinding disc (4), a top shell (6) is arranged on the top of the vertical mill housing (1), an electric telescopic rod (7) is arranged on the top of the top shell (6), a support plate (8) is arranged on the outside of the electric telescopic rod (7), two inner grooves (9) are arranged on the inner side of the support plate (8), a spring (10) is fixedly connected to the inner side of the inner groove (9), a sliding rod (11) is fixedly connected to the end of the spring (10) away from the inner groove (9), and the end of the sliding rod (11) A trapezoidal block (12) is fixedly connected thereto; a bearing seat (13) is arranged on the inner top of the top shell (6); a hollow rotating shaft (14) is arranged on the inner side of the bearing seat (13); a secondary wheel (15) is fixedly connected to the outside of the hollow rotating shaft (14); a main wheel (16) is meshed with the outside of the secondary wheel (15); a driving motor (17) is fixedly connected to the outside of the main wheel (16); an equipment frame (18) is arranged at the bottom of the support plate (8); a dust collecting motor (19) is arranged on the inner side of the equipment frame (18); a collecting box (20) with a dust collecting head is arranged on the outside of the dust collecting motor (19); and a fan blade (21) is also arranged on the outside of the hollow rotating shaft (14).

2. A cement vertical mill dust removal device according to claim 1, characterized in that: The feed port (2) and the discharge port (3) are respectively distributed on both sides of the vertical mill housing (1), and a main motor and a reducer are also provided at the bottom of the vertical mill housing (1).

3. A cement vertical mill dust removal device according to claim 1, characterized in that: The top shell (6) is installed on the top of the vertical mill housing (1) by means of a plurality of bolts. The electric telescopic rod (7) passes through the top shell (6) and the hollow rotating shaft (14) and is connected to the support plate (8). A limit plate is also arranged on the outside of the electric telescopic rod (7). A sealing arrangement is adopted at the connection between the electric telescopic rod (7) and the hollow rotating shaft (14).

4. A cement vertical mill dust removal device according to claim 1, characterized in that: The bearing seat (13) is mounted on the inner top of the top shell (6) by means of a plurality of bolts; the main wheel (16) and the secondary wheel (15) are both bevel gears; the drive motor (17) is arranged on the outer side of the top shell (6) and a protective shell is arranged outside the drive motor (17); the output shaft of the drive motor (17) passes through the top shell (6) and is fixedly connected to the main wheel (16).

5. A cement vertical mill dust removal device according to claim 1, characterized in that: There are two springs (10), slide bars (11) and trapezoidal blocks (12). One end of the two springs (10) is fixedly connected to the inner side of the two inner grooves (9) and the other end of the two springs (10) is fixedly connected to the two slide bars (11). One end of the two slide bars (11) away from the two springs (10) passes through the two inner grooves (9) and is fixedly connected to the two trapezoidal blocks (12). The sizes of the two trapezoidal blocks (12) match the vertical mill housing (1) and brushes are arranged on the outside of the two trapezoidal blocks (12).

6. A cement vertical mill dust removal device according to claim 1, characterized in that: The dust collecting motor (19) is arranged at the bottom of the support plate (8), and a connecting pipe is arranged outside the dust collecting motor (19), and one end of the connecting pipe away from the dust collecting motor (19) is connected to a collecting box (20), and the collecting box (20) is also arranged inside the equipment frame (18), and a plurality of dust collecting heads are arranged on both sides of the collecting box (20).

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