CN215337645U

CN215337645U - Heavy hammer compression type kiln tail sealing device

Info

Publication number: CN215337645U
Application number: CN202121735467.2U
Authority: CN
Inventors: 李明飞; 汪伟; 刘万平; 金春华
Original assignee: Cino Technology Tianjin Co ltd
Current assignee: Cino Technology Tianjin Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-28
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a heavy hammer compression type kiln tail sealing device which comprises a fixing sleeve, an oil circuit system, a graphite packing, a supporting plate, a hopper, a top compression device, a pulley shaft, a stud pull rod and a joint bearing. The heavy hammer compression type kiln tail sealing device provided by the utility model realizes a good sealing effect, can absorb the shaking and the shifting of the rotary kiln in operation, has a simple and reliable structure, and is compressed by the gravity of the counterweight, and the pressing force exists constantly.

Description

Heavy hammer compression type kiln tail sealing device

Technical Field

The utility model relates to the field of cement production, in particular to a heavy hammer compression type kiln tail sealing device.

Background

In cement production, the rotary kiln is the main equipment in a firing system, when in work, the rotary kiln rotates at a certain speed, materials flow from the kiln tail to the kiln head in the rotary kiln, the kiln tail of the rotary kiln is connected to a smoke chamber of a decomposing furnace, the smoke chamber is fixed, and the rotary kiln rotates ceaselessly.

The kiln tail sealing device is arranged between the smoke chamber and the kiln tail of the rotary kiln, is used for sealing the smoke chamber and the kiln tail of the rotary kiln, is connected with the smoke chamber which is fixed and the kiln tail of the rotary kiln which rotates ceaselessly, and absorbs and automatically compensates the movements of swing, axial movement and the like generated in the rotation of the rotary kiln.

The sealing device used on the existing rotary kiln has various forms, such as cylinder compression type sealing, spring compression type sealing, fish scale flexible sealing and the like, but the existing sealing device has certain problems in structure, the cylinder compression and the spring compression device are difficult to adjust the compression force, the fish scale sealing device is seriously worn after working for a period of time, the sealing is invalid, further material leakage is caused, and the kiln can be stopped when the material leakage is serious, so that the production efficiency and the benefit are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heavy hammer compression type kiln tail sealing device which can effectively solve the problems in the background technology that: the existing sealing device has certain problems in structure, the air cylinder pressing force and the spring pressing force of the device are difficult to adjust, the fish scale sealing device is seriously abraded after working for a period of time, sealing is invalid, leakage is caused, and the kiln can be stopped when the leakage is serious, so that the production efficiency and the benefit are seriously influenced.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a heavy hammer compression type kiln tail sealing device comprises a fixing sleeve, an oil way system, a graphite packing, a supporting plate, a hopper, a top compression device, a pulley shaft, a stud pull rod and a joint bearing, wherein the fixing sleeve is arranged on a flange at the tail end of a kiln tail smoke chamber of a rotary kiln, a first sealing ring and a second sealing ring are arranged between the hopper and the supporting plate and are connected with the hopper, the second sealing ring is connected with the supporting plate, the two ends of the stud pull rod are respectively provided with the joint bearing, one end of the joint bearing is arranged on a lifting lug of the supporting plate, the other end of the joint bearing is provided with the pulley shaft, the pulley is arranged outside the pulley shaft, the pulley shaft and the pulley are both positioned inside a support, the compression device and the top compression device are both provided with balance weights, and the gravity of the balance weights is converted into pressing force by the compression device, the pressing force acts on the supporting plate, and the graphite packing is mounted between the supporting plate and the fixing sleeve by the pressing plate.

As a further scheme of the utility model, the hopper can rotate along with the rotary kiln, and the fixed sleeve is fixed on the smoke chamber flange and is kept still.

As a further scheme of the utility model, the number of the first sealing ring is 42, the number of the second sealing ring is 6, and the second sealing ring is provided with a threaded hole which is used for being connected with an oil pipe of an oil way system and used for lubricating the second sealing ring during relative movement.

As a further aspect of the present invention, the pressing means are provided with 9 sets in total, and the top pressing means is provided with 1 set.

As a further scheme of the utility model, the support plate is provided with two lifting lugs which are arranged in an angle of 180 degrees, and each lifting lug is provided with a joint bearing and a stud pull rod.

As a further aspect of the present invention, the number of the counter weights of the pressing device is several, and the angle of the pressing rod of the pressing device is 30 ° to 50 ° in the horizontal direction.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the rotary kiln continuously rotates, generated shaking and moving motion are transmitted to the hopper and further transmitted to the supporting plate, the supporting plate can move back and forth and is pressed by the pressing device at any time, so that a good sealing effect is realized, shaking and moving of the rotary kiln in operation can be absorbed, the structure is simple and reliable, the pressing force exists at any time by means of gravity pressing of the balance weight.

Drawings

FIG. 1 is a schematic view of the overall structure of a heavy hammer compacting type kiln tail sealing device according to the present invention;

FIG. 2 is a schematic structural view of a pressing device of a heavy hammer pressing type kiln tail sealing device according to the present invention;

FIG. 3 is a schematic view of a pulley and pulley shaft structure of a heavy hammer compacting kiln tail sealing device according to the present invention.

In the figure: 1. fixing the sleeve; 2. pressing a plate; 3. an oil circuit system; 4. graphite packing; 5. a support plate; 6. a second sealing ring; 7. a first sealing ring; 8. a hopper; 9. a rotary kiln; 10. a top hold down; 11. a pressing device; 12. balancing weight; 13. a pulley; 14. a pulley shaft; 15. a support; 16. a stud pull rod; 17. and a knuckle bearing.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a heavy hammer compression type kiln tail sealing device comprises a fixing sleeve 1, an oil way system 3, a graphite packing 4, a support plate 5, a hopper 8, a top compression device 10, a compression device 11, a pulley 13, a pulley shaft 14, a stud pull rod 16 and a knuckle bearing 17, wherein the fixing sleeve 1 is installed on a flange at the tail end of a kiln tail smoke chamber of a rotary kiln 9, the hopper 8 is installed on a kiln tail flange of the rotary kiln 9, a first sealing ring 7 and a second sealing ring 6 are arranged between the hopper 8 and the support plate 5, the first sealing ring 7 is connected with the hopper, the second sealing ring 6 is connected with the support plate 5, the two ends of the stud pull rod 16 are respectively provided with the knuckle bearing 17, the knuckle bearing 17 at one end is installed on a lifting lug of the support plate 5, the pulley shaft 14 is installed on the knuckle bearing 17 at the other end, the pulley shaft 14 is externally provided with the pulley 13, and the pulley shaft 14 and the pulley 13 are both located inside a bracket 15, the pressing device 11 and the top pressing device 10 are both provided with a balance weight 12, the gravity of the balance weight 12 is converted into pressing force by the pressing device 11, the pressing force acts on the supporting plate 5, and the graphite packing 4 is installed between the supporting plate 5 and the fixing sleeve 1 through the pressing plate 2.

The hopper 8 can rotate along with the rotary kiln 9, and the fixed sleeve 1 is fixed on the smoke chamber flange and keeps still.

The number of the first sealing rings 7 is 42, the number of the second sealing rings 6 is 6, and the second sealing rings 6 are provided with threaded holes which are used for being connected with an oil pipe of the oil way system 3 and used for lubricating the second sealing rings 6 during relative movement.

The hold-down devices 11 are provided in 9 sets and the top hold-down device 10 is provided in 1 set.

Two lifting lugs are designed on the support plate 5, the two lifting lugs are arranged at 180 degrees, and each lifting lug is provided with a joint bearing 17 and a stud pull rod 16.

The number of the counter weights 12 of the pressing device 11 is several, and the angle of the pressing rod of the pressing device 11 is 30-50 degrees in the horizontal direction.

The utility model is a heavy hammer compression type kiln tail sealing device, when in use, a hopper 8 rotates along with a rotary kiln 9 when in work, a fixed sleeve 1 is fixed and fixed, a support plate 5 is pulled up by a stud pull rod 16 and is independent from the fixed sleeve 1 and the hopper 8, a gap of about 2cm is formed between an inner ring of the support plate 5 and an outer ring of the fixed sleeve 1, the support plate 5 can move back and forth freely, the gravity of a balance weight 12 in a compression device 11 is converted into compression force through the compression device 11, the compression force acts on the support plate 5, so that a sealing ring II 6 on the support plate 5 is tightly attached to a sealing ring I7 on the hopper 8, and meanwhile, an oil way system 3 sends lubricating grease into the space between the sealing ring II 6 and the sealing ring I7 for lubrication, thereby realizing the connection and the sealing of the rotary kiln 9 and a smoke chamber.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a weight compresses tightly formula kiln tail sealing device which characterized in that: the kiln tail smoke chamber sealing device comprises a fixing sleeve (1), an oil way system (3), a graphite packing (4), a supporting plate (5), a hopper (8), a top pressing device (10), a pressing device (11), a pulley (13), a pulley shaft (14), a stud pull rod (16) and a joint bearing (17), wherein the fixing sleeve (1) is installed on a flange at the tail end of a kiln tail smoke chamber of a rotary kiln (9), the hopper (8) is installed on the kiln tail flange of the rotary kiln (9), a first sealing ring (7) and a second sealing ring (6) are arranged between the hopper (8) and the supporting plate (5), the first sealing ring (7) is connected with the hopper, the second sealing ring (6) is connected with the supporting plate (5), the joint bearing (17) is respectively installed at two ends of the stud pull rod (16), the joint bearing (17) at one end is installed on a lifting lug of the supporting plate (5), the pulley shaft (14) is installed on the joint bearing (17) at the other end, the external mounting of pulley shaft (14) has pulley (13), pulley shaft (14) and pulley (13) all are located the inside of support (15), it has counter weight (12) all to design on closing device (11) and top closing device (10), and the gravity of counter weight (12) is the packing force by closing device (11) conversion, and the pressure power is used in backup pad (5), graphite packing (4) are installed between backup pad (5) and fixed sleeve (1) by clamp plate (2).

2. The heavy hammer compression type kiln tail sealing device according to claim 1, wherein: the hopper (8) can rotate along with the rotary kiln (9), and the fixed sleeve (1) is fixed on the smoke chamber flange and keeps still.

3. The heavy hammer compression type kiln tail sealing device according to claim 1, wherein: the number of the first sealing rings (7) is 42, the number of the second sealing rings (6) is 6, and the second sealing rings (6) are provided with threaded holes which are used for being connected with an oil pipe of the oil circuit system (3) and used for lubricating the second sealing rings (6) during relative movement.

4. The heavy hammer compression type kiln tail sealing device according to claim 1, wherein: the pressing devices (11) are provided with 9 groups, and the top pressing device (10) is provided with 1 group.

5. The heavy hammer compression type kiln tail sealing device according to claim 1, wherein: two lifting lugs are designed on the supporting plate (5) in the same way and are arranged at 180 degrees, and each lifting lug is provided with a joint bearing (17) and a stud pull rod (16).

6. The heavy hammer compression type kiln tail sealing device according to claim 1, wherein: the number of the counter weights (12) of the pressing device (11) is several, and the angle of a pressing rod of the pressing device (11) is 30-50 degrees in the horizontal direction.