CN216368241U

CN216368241U - Environment-friendly immediately, grind grinding roller door sealing device

Info

Publication number: CN216368241U
Application number: CN202122720786.2U
Authority: CN
Inventors: 陈伟兵
Original assignee: Hebei Weikai Environmental Protection Equipment Co ltd
Current assignee: Hebei Weikai Environmental Protection Equipment Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-26
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an environment-friendly vertical mill roller door sealing device which comprises a vertical mill body, wherein a first connecting sleeve is fixedly connected to the surface of the vertical mill body and positioned at a grinding roller, an air ring is fixedly connected to the inner wall of the first connecting sleeve, a first vertical face flange is fixedly connected to the surface of the first connecting sleeve, a fixing bolt is arranged in a through hole of the first vertical face flange, the first vertical face flange is fixedly connected with a first fixing sleeve through the matching of the fixing bolt and a nut, a flexible sealing sleeve is fixedly connected to the surface of the first fixing sleeve, and a second fixing sleeve is fixedly connected to the surface of the flexible sealing sleeve. According to the utility model, the labyrinth sleeve forms an annular sealing air chamber wrapped on the grinding roller body in the grinding door sealing cover, so that the circulation of air inside and outside the grinding system can be prevented, the air entering the grinding door sealing cover can not overflow, and the air ring forms a circle of air curtain in one area of the grinding door sealing cover to isolate external cold air from entering the grinding.

Description

Environment-friendly immediately, grind grinding roller door sealing device

Technical Field

The utility model relates to the technical field of vertical mill sealing, in particular to an environment-friendly vertical mill grinding roller door sealing device.

Background

At present, the traditional single large table bed seal or labyrinth seal is generally adopted for the vertical mill grinding roller seal in the cement industry in China.

The vertical mill operates at high temperature and negative pressure of about 20-11000 Pa, and during the operation process, the air leakage of the milling roller is often caused, the air temperature in the mill can be reduced, the heat loss is caused, and meanwhile, the heat consumption and the grinding power consumption are greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an environment-friendly vertical grinding roller door sealing device.

In order to achieve the purpose, the utility model adopts the following technical scheme: an environment-friendly vertical mill grinding roller door sealing device comprises a vertical mill body, wherein the surface of the vertical mill body is fixedly connected with a first connecting sleeve at a grinding roller, the inner wall of the first connecting sleeve is fixedly connected with a wind ring, the surface of the first connecting sleeve is fixedly connected with a first vertical face flange, a fixing bolt is arranged inside a through hole of the first vertical face flange, the first vertical face flange is fixedly connected with a first fixing sleeve through the matching of the fixing bolt and a nut, the surface of the first fixing sleeve is fixedly connected with a flexible sealing sleeve, the surface of the flexible sealing sleeve is fixedly connected with a second fixing sleeve, a connecting hole is formed in the surface of the second fixing sleeve, a mounting bolt is arranged on the surface of the second fixing sleeve and inside the connecting hole, the second fixing sleeve is fixedly connected with a second vertical face flange through the matching of the mounting bolt and the nut, the surface of the second vertical face flange is fixedly connected with a second connecting sleeve, the surface of the connecting sleeve II is fixedly connected with a material blocking ring I, the surface of the material blocking ring I is fixedly connected with a mill door sealing cover, the surface of the material blocking ring I is fixedly connected with a material blocking ring II, and the surface of the material blocking ring II is fixedly connected with a labyrinth sleeve.

As a further description of the above technical solution:

the shape of the first vertical face flange is matched with that of the fixed sleeve, and the first vertical face flange is located at one end, far away from the vertical mill body, of the connecting sleeve.

As a further description of the above technical solution:

the fixing bolts are distributed in a circular array, and the surfaces of the fixing bolts are plated with wear-resistant coatings.

As a further description of the above technical solution:

the shape of the second vertical flange is matched with that of the second fixing sleeve, and the surface of the vertical mill body is coated with antirust paint.

As a further description of the above technical solution:

the joint of the first vertical face flange and the first fixing sleeve is coated with a first sealant, and the joint of the second vertical face flange and the second fixing sleeve is coated with a second sealant.

As a further description of the above technical solution:

and the grinding roller of the vertical mill body is positioned at the axle center of the connecting sleeve I, the flexible sealing sleeve, the material blocking ring I, the material blocking ring II and the labyrinth sleeve.

The utility model has the following beneficial effects:

1. compared with the prior art, this grinding roller door sealing device is immediately ground to environment-friendly, the labyrinth cover makes and forms a parcel annular sealed air chamber on the grinding roller body in the grinding roller seal cover, can prevent the inside and outside gas circulation of system of grinding, can make the gas that gets into in the grinding roller seal cover again can not be excessive, and the wind ring makes and forms the isolated outside cold air of round wind curtain entering mill in an area of grinding roller seal cover.

2. Compared with the prior art, the environment-friendly vertical mill grinding roller door sealing device has the advantages that the grinding roller door sealing cover can meet the space requirements of vertical mill on expansion with heat and contraction with cold, barrel front and back movement and the like, and can be tightly attached to the vertical mill under the conditions of movement, deformation and the like, so that the vertical mill grinding roller door sealing device is suitable for barrel deformation, barrel deflection and eccentricity generated in the high-temperature use state of the vertical mill, gapless sealing is realized, and air leakage is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of an environment-friendly vertical mill roller door sealing device according to the present invention;

FIG. 2 is a schematic view of the internal structure of an environment-friendly vertical mill roller door sealing device according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 of the environment-friendly vertical grinding roller door sealing device according to the present invention;

fig. 4 is an enlarged structural view of a portion B in fig. 2 of the environment-friendly vertical grinding roller door sealing device provided by the utility model.

Illustration of the drawings:

1. a vertical mill body; 2. a first connecting sleeve; 3. a first facade flange; 4. fixing a sleeve I; 5. fixing the bolt; 6. a flexible sealing sleeve; 7. fixing a second sleeve; 8. a second facade flange; 9. a second connecting sleeve; 10. installing a bolt; 11. a first material blocking ring; 12. grinding a door sealing cover; 13. a material blocking ring II; 14. a labyrinth sleeve; 15. and (4) an air ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the utility model provides an environment-friendly vertical mill roller door sealing device: the vertical mill comprises a vertical mill body 1, wherein the surface of the vertical mill body 1 is coated with antirust paint, the surface of the vertical mill body 1, which is positioned at a grinding roller, is fixedly connected with a first connecting sleeve 2, the inner wall of the first connecting sleeve 2 is fixedly connected with a wind ring 15, a circle of sealing element is uniformly arranged on the wind ring 15, the surface of the first connecting sleeve 2 is fixedly connected with a first elevation flange 3, the shape of the first elevation flange 3 is matched with a first fixing sleeve 4, the joint of the first elevation flange 3 and the first fixing sleeve 4 is coated with a first sealant, the joint of a second elevation flange 8 and a second fixing sleeve 7 is coated with a second sealant, and the first elevation flange 3 is positioned at one end, away from the vertical mill body 1, of the first connecting sleeve 2;

fixing bolts 5 are arranged in the through holes of the first vertical flange 3, the fixing bolts 5 are distributed in a circular array, and the surfaces of the fixing bolts 5 are plated with wear-resistant coatings;

the first vertical face flange 3 is fixedly connected with a first fixing sleeve 4 through the matching of a fixing bolt 5 and a nut, the surface of the first fixing sleeve 4 is fixedly connected with a flexible sealing sleeve 6, the surface of the flexible sealing sleeve 6 is fixedly connected with a second fixing sleeve 7, the surface of the second fixing sleeve 7 is provided with a connecting hole, a mounting bolt 10 is arranged on the surface of the second fixing sleeve 7 and positioned inside the connecting hole, the second fixing sleeve 7 is fixedly connected with a second vertical face flange 8 through the matching of the mounting bolt 10 and the nut, the shape of the second vertical face flange 8 is matched with that of the second fixing sleeve 7, and the surface of the second vertical face flange 8 is fixedly connected with a second connecting sleeve 9;

a material blocking ring I11 is fixedly connected to the surface of the connecting sleeve II 9, a grinding door sealing cover 12 is fixedly connected to the surface of the material blocking ring I11, a material blocking ring II 13 is fixedly connected to the surface of the material blocking ring I11, a labyrinth sleeve 14 is fixedly connected to the surface of the material blocking ring II 13, one end of the labyrinth sleeve 14 is fixedly connected with the grinding roller cover, and a steel flange sheet is laid at the other end of the labyrinth sleeve 14 and is in fit welding with the grinding roller body;

the grinding roller of the vertical mill body 1 is positioned at the axle center of the connecting sleeve I2, the flexible sealing sleeve 6, the material blocking ring I11, the material blocking ring II 13 and the labyrinth sleeve 14.

The working principle is as follows: when the utility model is used, the labyrinth sleeve 14 is arranged in the grinding door sealing cover 12, one end of the labyrinth sleeve 14 is fixedly connected with the grinding roller cover, the other end is provided with a steel flange sheet which is jointed and welded with the grinding roller body, the connecting sleeve I2 is locked by a steel sheet sleeve, an annular sealing air chamber which is wrapped on the grinding roller body is formed in the grinding door sealing cover 12, the circulation of air inside and outside a grinding system can be prevented, the air entering the grinding door sealing cover 12 can not overflow, an air ring 15 is arranged in one side of the grinding door sealing cover 12 close to the shell, a circle of sealing elements are uniformly arranged on the air ring 15, a circle of air curtain is formed in one area of the grinding door sealing cover 12 to isolate the outside cold air from entering the grinding mill, the grinding door sealing cover 12 can meet the space requirements of the vertical mill such as heat and cold shrinkage, the forward and backward movement of the cylinder body, and the deformation, and the grinding door sealing cover 12 can be tightly jointed with the vertical mill under the conditions of movement, deformation and deformation, thereby being suitable for the deformation of the cylinder body generated in the high-temperature use state of the vertical mill, The barrel body deflects and is eccentric, so that gapless sealing is realized, and air leakage is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an environment-friendly immediately, grinds grinding roller door sealing device, includes and immediately grinds organism (1), its characterized in that: the vertical mill is characterized in that the surface of the vertical mill body (1) is fixedly connected with a first connecting sleeve (2) at a grinding roller, the inner wall of the first connecting sleeve (2) is fixedly connected with a wind ring (15), the surface of the first connecting sleeve (2) is fixedly connected with a first vertical face flange (3), a fixing bolt (5) is arranged inside a through hole of the first vertical face flange (3), the first vertical face flange (3) is fixedly connected with a first fixing sleeve (4) through the matching of the fixing bolt (5) and a nut, the surface of the first fixing sleeve (4) is fixedly connected with a flexible sealing sleeve (6), the surface of the flexible sealing sleeve (6) is fixedly connected with a second fixing sleeve (7), the surface of the second fixing sleeve (7) is provided with a connecting hole, the surface of the second fixing sleeve (7) is arranged inside the connecting hole and is provided with a mounting bolt (10), and the second fixing sleeve (7) is fixedly connected with a second vertical face flange (8) through the matching of the mounting bolt (10) and the nut, the surface fixed connection of second facade flange (8) has adapter sleeve two (9), the surface fixed connection of adapter sleeve two (9) keeps off material ring one (11), the surface fixed connection who keeps off material ring one (11) grinds door sealed cowling (12), keep off material ring one (11) surface fixed connection and keep off material ring two (13), the surface fixed connection who keeps off material ring two (13) is had maze cover (14).

2. The environment-friendly immediately, grinding roller door sealing device of claim 1, characterized in that: the shape of the first vertical face flange (3) is matched with that of the first fixing sleeve (4), and the first vertical face flange (3) is located at one end, far away from the vertical mill body (1), of the first connecting sleeve (2).

3. The environment-friendly immediately, grinding roller door sealing device of claim 1, characterized in that: the fixing bolts (5) are distributed in a circular array, and the surfaces of the fixing bolts (5) are plated with wear-resistant coatings.

4. The environment-friendly immediately, grinding roller door sealing device of claim 1, characterized in that: the shape of the second vertical flange (8) is matched with that of the second fixing sleeve (7), and the surface of the vertical mill body (1) is coated with antirust paint.

5. The environment-friendly immediately, grinding roller door sealing device of claim 1, characterized in that: the joint of the first vertical face flange (3) and the first fixing sleeve (4) is coated with a first sealant, and the joint of the second vertical face flange (8) and the second fixing sleeve (7) is coated with a second sealant.

6. The environment-friendly immediately, grinding roller door sealing device of claim 1, characterized in that: the grinding roller of the vertical mill body (1) is positioned at the axle center of the connecting sleeve I (2), the flexible sealing sleeve (6), the material blocking ring I (11), the material blocking ring II (13) and the labyrinth sleeve (14).