CN216080933U

CN216080933U - Kiln tail sealing device

Info

Publication number: CN216080933U
Application number: CN202121039983.1U
Authority: CN
Inventors: 金长保; 姜爱国; 蔡华峰; 叶瑞兆; 董业勋
Original assignee: Yangxin Washi Cement Co ltd
Current assignee: Yangxin Washi Cement Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-03-18
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a kiln tail sealing device which comprises a kiln sleeve, wherein a smoke chamber is arranged at the tail part of the kiln sleeve; an annular cylinder is arranged outside the kiln tail material lifting spoon of the kiln sleeve; the annular cylinder and the poplar spoon form a movable labyrinth sleeve and synchronously rotate along with the kiln sleeve; a fixed labyrinth sleeve is welded on the side wall of the smoke chamber, and the fixed labyrinth sleeve and the movable labyrinth sleeve form an outer labyrinth seal; a material blocking ring is arranged in the outer labyrinth seal; the tail part of the kiln sleeve is sequentially provided with a friction sleeve and a material blocking flange; the smoke chamber is connected with a connecting sleeve, and a conical flange is arranged on the connecting sleeve; and a metal sealing assembly is lapped on the friction sleeve, and the other end of the metal sealing assembly is connected to the conical flange. The problem of current kiln tail sealing device, sealed effect is relatively poor, in the in-service use process, the material that leaks appears easily and the condition of leaking out, seriously pollutes construction environment, has increased later stage clearance cost simultaneously is solved.

Description

Kiln tail sealing device

Technical Field

The utility model relates to the technical field of rotary kilns, in particular to a kiln tail sealing device.

Background

The rotary kiln is a main device for heating and treating bulk materials in the industries of metallurgy, chemical industry, cement and the like, and a rotary kiln sealing device is generally a sealing structure made of high-temperature-resistant and abrasion-resistant flexible materials, wherein the rotary kiln sealing device comprises heat-resistant steel fish scales, a carbon-silicon-aluminum composite plate, common steel plate fish scales and a flexible sealing structure formed by combining the heat-resistant steel fish scales, the common steel plate fish scales and the flexible sealing structure, and the whole rotary kiln sealing device can deform along with the movement of the rotary kiln so as to adapt to the deformation, barrel deflection and eccentricity of a kiln body generated in a high-temperature use state of the rotary kiln;

the existing rotary kiln tail sealing device has poor sealing effect, kiln tail air leakage has great influence on system working conditions, and serious reduction of product yield and quality and increase of energy consumption are easily caused; meanwhile, if the kiln tail sealing effect is poor, the condition of material leakage is easy to occur, so that the field environment is seriously polluted, and meanwhile, the later cleaning cost is increased;

therefore, a kiln tail sealing device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a kiln tail sealing device for solving the technical problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a kiln tail sealing device comprises a kiln sleeve, wherein a smoke chamber is arranged at the tail part of the kiln sleeve; an annular cylinder is arranged outside the kiln tail material lifting spoon of the kiln sleeve; the annular cylinder and the poplar spoon form a movable labyrinth sleeve and synchronously rotate along with the kiln sleeve; a fixed labyrinth sleeve is welded on the side wall of the smoke chamber, and the fixed labyrinth sleeve and the movable labyrinth sleeve form an outer labyrinth seal; a material blocking ring is arranged in the outer labyrinth seal; the tail part of the kiln sleeve is sequentially provided with a friction sleeve and a material blocking flange; the smoke chamber is connected with a connecting sleeve, and a conical flange is arranged on the connecting sleeve; and a metal sealing assembly is lapped on the friction sleeve, and the other end of the metal sealing assembly is connected to the conical flange.

This sealing device passes through metal seal spare, outer labyrinth seal, keeps off material flange and conical flange's cooperation, can effectively solve current kiln tail sealing device, and sealed effect is relatively poor, in the in-service use process, appears leaking easily and expects and the condition of leaking out, has seriously polluted construction environment, has increased the problem of later stage clearance cost simultaneously.

Preferably, a collecting hopper is arranged below the connecting sleeve, a flow pipe is arranged at the lower end of the collecting hopper, and an inserting plate is fixed in the flow pipe.

Through the aggregate bin, can effectively collect the material, avoid the direct emission of material to cause the pollution to the environment.

Preferably, a material blocking flange is welded on the outer peripheral surface of the kiln tail material raising spoon and is axially installed along the kiln sleeve; a fixed sleeve is welded on the outer side of the kiln tail material raising spoon; the outer end of the material blocking flange is welded with a friction sleeve.

Through setting up and keeping off the material flange, conveniently install the friction sleeve on the kiln sleeve, strengthened kiln sleeve structure's leakproofness simultaneously, make its closed effect better.

Preferably, an inner fixed cylinder and an outer fixed cylinder are respectively welded on the positive side wall of the smoke chamber; the outer fixing cylinder is a connecting sleeve, and a conical flange is welded at the outer end of the connecting sleeve and used for fixing the metal sealing component; the inner fixing cylinder is welded between the friction sleeve and the fixing sleeve.

The conical flange is mainly used for fixing the metal sealing element, and meanwhile, the inner fixing cylinder is welded between the friction sleeve and the fixing sleeve, so that labyrinth seal can be formed.

Preferably, the metal seal assembly comprises a flexible friction plate fixed to the kiln sleeve, and a metal seal strip fixed to the flexible friction plate.

Preferably, the metal sealing strip is provided with a hook, the hook is connected with a steel wire rope, and one end of the steel wire rope, which is far away from the hook, is connected with a balancing weight.

A circle of bolts is welded on the conical flange, one end of the metal sealing assembly is fixed on the conical flange, the other end of the metal sealing assembly is lapped on the friction sleeve, and the metal sealing assembly is circumferentially wound by a steel wire rope and locked by a balancing weight.

Preferably, the material blocking ring is fixed on the inner circumferential surface of the fixed labyrinth sleeve, the material blocking ring is an annular sealing plate, and the distance between the material blocking ring and the movable labyrinth sleeve is 6 mm.

Through keeping off the material ring, can prevent to leak the material and take place, through the cooperation of metal seal assembly and friction sleeve, can prevent to leak out simultaneously and take place.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matching of the metal sealing assembly and the friction sleeve, the air leakage condition can be effectively prevented, so that the product quality can be effectively improved, the energy consumption is reduced, and the production cost is controlled; 2. according to the utility model, the material leakage can be prevented through the fixed labyrinth sleeve, the movable labyrinth sleeve and the material blocking ring, so that the problem of material leakage to the environment in the use process is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a kiln sleeve; 2. a friction sleeve; 3. a metal seal assembly; 4. a conical flange; 5. a material blocking flange; 6. connecting sleeves; 7. fixing a labyrinth sleeve; 8. a movable labyrinth sleeve; 10. a wire rope; 9. hooking; 11. a balancing weight; 12. a collection hopper; 13. inserting plates; 14. a material blocking 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.

Example 1

Referring to fig. 1, a kiln tail sealing device comprises a kiln sleeve 1, wherein a smoke chamber is arranged at the tail part of the kiln sleeve 1; an annular cylinder is arranged outside the kiln tail lifting scoop of the kiln sleeve 1; the annular cylinder and the poplar spoon form a movable labyrinth sleeve 8 and synchronously rotate along with the kiln sleeve 1; a fixed labyrinth sleeve 7 is welded on the side wall of the smoke chamber, and the fixed labyrinth sleeve 7 and the movable labyrinth sleeve 8 form an outer labyrinth seal; a material blocking ring 14 is arranged in the outer labyrinth seal; the tail part of the kiln sleeve 1 is sequentially provided with a friction sleeve 2 and a material blocking flange 5; the smoke chamber is connected with a connecting sleeve 6, and the connecting sleeve 6 is provided with a conical flange 4; the friction sleeve 2 is lapped with a metal sealing component 3, and the other end of the metal sealing component 3 is connected to the conical flange 4.

The working principle is as follows: a circle of annular cylinder is welded on the excircle of the kiln tail material raising spoon, the annular cylinder and the poplar material raising spoon form a movable labyrinth sleeve 8, the movable labyrinth sleeve and the movable labyrinth sleeve rotate along with the kiln sleeve 1, a fixed labyrinth sleeve 7 is welded on the side wall of the smoke chamber, and the fixed labyrinth sleeve 7 and the movable labyrinth sleeve 8 form an outer labyrinth seal; and a material blocking ring 14 is fixed on the fixed labyrinth sleeve 7, the gap between the material blocking ring and the movable labyrinth sleeve 8 is 6mm, so as to prevent material leakage, meanwhile, the metal sealing component 3 comprises a flexible friction plate and a metal sealing strip, one end of the metal sealing component 3 is fixed on the conical flange 4, the other end of the metal sealing component is lapped on the friction sleeve 2, and the metal sealing component is locked by a steel wire rope 10, a hook 9 and a balancing weight 11, so as to prevent air leakage.

Preferably, a collecting hopper 12 is arranged below the connecting sleeve 6, a flow pipe is arranged at the lower end of the collecting hopper 12, and an inserting plate 13 is fixed in the flow pipe.

Through collecting hopper 12, can effectively collect the material, avoid the direct emission of material to cause the pollution to the environment.

Preferably, a material blocking flange 5 is welded on the outer peripheral surface of the kiln tail material raising spoon, and the material blocking flange 5 is axially installed along the kiln sleeve 1; a fixed sleeve is welded on the outer side of the kiln tail material raising spoon; the outer end of the material blocking flange 5 is welded with a friction sleeve 2.

Through setting up and keeping off material flange 5, conveniently install friction sleeve 2 on kiln sleeve 1, strengthened the leakproofness of kiln sleeve 1 structure simultaneously, make its closed effect better.

Preferably, an inner fixed cylinder and an outer fixed cylinder are respectively welded on the positive side wall of the smoke chamber; the outer fixed cylinder is a connecting sleeve 6, and a conical flange 4 is welded at the outer end of the connecting sleeve 6 and used for fixing the metal sealing component 3; the inner fixing cylinder is welded between the friction sleeve 2 and the fixing sleeve.

The conical flange 4 is mainly used for fixing a metal sealing element, and meanwhile, the inner fixing cylinder is welded between the friction sleeve 2 and the fixing sleeve, so that labyrinth seal can be formed.

Preferably, the metal seal assembly 3 comprises a flexible friction plate fixed to the kiln sleeve 1, and a metal seal strip fixed to the flexible friction plate.

Preferably, the metal sealing strip is provided with a hook 9, the hook 9 is connected with a steel wire rope 10, and one end of the steel wire rope 10 far away from the hook 9 is connected with a balancing weight 11.

A circle of bolts are welded on the conical flange 4, one end of the metal sealing component 3 is fixed on the conical flange 4, the other end of the metal sealing component is overlapped on the friction sleeve 2, the metal sealing component is circumferentially wound by a steel wire rope 10 and is locked by a balancing weight 11.

Preferably, the material blocking ring 14 is fixed on the inner circumferential surface of the fixed labyrinth sleeve 7, the material blocking ring 14 is an annular sealing plate, and the material blocking ring 14 is spaced from the movable labyrinth sleeve 8 by 6 mm.

Through keeping off material ring 14, can prevent leaking the material and take place, simultaneously through the cooperation of metal seal assembly 3 with friction sleeve 2, can prevent to leak out and take place.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kiln tail sealing device comprises a kiln sleeve (1), wherein a smoke chamber is formed in the tail of the kiln sleeve (1); an annular cylinder body is arranged outside the kiln tail material raising spoon of the kiln sleeve (1); the method is characterized in that: the annular cylinder and the material lifting spoon form a movable labyrinth sleeve (8) and synchronously rotate along with the kiln sleeve (1); a fixed labyrinth sleeve (7) is welded on the side wall of the smoke chamber, and the fixed labyrinth sleeve (7) and the movable labyrinth sleeve (8) form an outer labyrinth seal; a material blocking ring (14) is arranged in the outer labyrinth seal; the tail part of the kiln sleeve (1) is sequentially provided with a friction sleeve (2) and a material blocking flange (5); the smoke chamber is connected with a connecting sleeve (6), and the connecting sleeve (6) is provided with a conical flange (4); the friction sleeve (2) is connected with a metal sealing component (3) in a lap joint mode, and the other end of the metal sealing component (3) is connected to the conical flange (4).

2. The kiln tail sealing device of claim 1, wherein: the connecting sleeve is characterized in that a material collecting hopper (12) is arranged below the connecting sleeve (6), a flow pipe is arranged at the lower end of the material collecting hopper (12), and an inserting plate (13) is fixed in the flow pipe.

3. The kiln tail sealing device of claim 1, wherein: a material blocking flange (5) is welded on the outer peripheral surface of the kiln tail material raising spoon, and the material blocking flange (5) is axially installed along the kiln sleeve (1); a fixed sleeve is welded on the outer side of the kiln tail material raising spoon; the outer end of the material blocking flange (5) is welded with a friction sleeve (2).

4. The kiln tail sealing device of claim 3, wherein: an inner fixed cylinder and an outer fixed cylinder are respectively welded on the positive side wall of the smoke chamber; the outer fixing cylinder is a connecting sleeve (6), and a conical flange (4) is welded at the outer end of the connecting sleeve (6) and used for fixing the metal sealing component (3); the inner fixing cylinder is welded between the friction sleeve (2) and the fixing sleeve.

5. The kiln tail sealing device of claim 1, wherein: the metal sealing assembly (3) comprises a flexible friction plate fixed on the kiln sleeve (1) and a metal sealing strip fixed on the flexible friction plate.

6. The kiln tail sealing device of claim 5, wherein: the metal sealing strip is provided with a hook (9), the hook (9) is connected with a steel wire rope (10), and the steel wire rope (10) is far away from one end of the hook (9) and is connected with a balancing weight (11).

7. The kiln tail sealing device of claim 1, wherein: the material blocking ring (14) is fixed on the inner circumferential surface of the fixed labyrinth sleeve (7), the material blocking ring (14) is an annular sealing plate, and the distance between the material blocking ring (14) and the movable labyrinth sleeve (8) is 6 mm.