CN115823867A

CN115823867A - Rotary kiln module sealing structure

Info

Publication number: CN115823867A
Application number: CN202211371843.3A
Authority: CN
Inventors: 李冬梅; 苏永黄; 周积礼; 冯昭辉; 李韬
Original assignee: Foshan Tianlu Intelligent Equipment Technology Co Ltd
Current assignee: Foshan Tianlu Intelligent Equipment Technology Co Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-21

Abstract

The invention discloses a rotary kiln module sealing structure which comprises a furnace tube and a discharge bin, wherein one end of the furnace tube is rotatably arranged on the discharge bin, a furnace tube end socket is sleeved on the furnace tube, a packing sealing module, a V-shaped sealing module and a sealing ring module are sleeved on the furnace tube end socket to form a multi-layer sealing structure to seal the rotary kiln furnace tube, the packing sealing module is connected with the discharge bin, the packing sealing module is connected with the V-shaped sealing module, and the V-shaped sealing module is connected with the sealing ring module.

Description

Rotary kiln module sealing structure

Technical Field

The invention relates to the field of rotary kilns, in particular to a rotary kiln module sealing structure.

Background

In the lithium battery cathode material sintering rotary kiln, materials are sintered at high temperature during working, combustible harmful gas is released at the same time, protective atmosphere needs to be injected, and the sealing of a rotary kiln furnace tube is ensured; the rotary kiln is sealed by the sealing structures at the two ends of the furnace tube, the furnace tube rotates continuously during operation, and the furnace tube expands and extends due to heat when the temperature rises, so that the sealing structure of the rotary kiln is high in requirement; the existing rotary kiln generally adopts labyrinth seal and sealing ring seal, wherein the labyrinth seal is greatly influenced by radial and axial runout of a furnace tube and is easy to have faults and air leakage; the sealing ring is short in service life due to the fact that the sealing ring is affected by temperature, meanwhile, the sealing performance of the sealing ring is reduced due to high temperature, gas leakage is caused when the pressure in the furnace is too high, environment pollution is caused, meanwhile, material dust in the furnace can be blown out, material loss is caused, and therefore the technical problems need to be improved.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the embodiment of the invention provides a rotary kiln module sealing structure which comprises a furnace tube and a discharge bin, wherein one end of the furnace tube is rotatably arranged on the discharge bin, a furnace tube end socket is sleeved on the furnace tube, a packing sealing module, a V-shaped sealing module and a sealing ring module are sleeved on the furnace tube end socket, the packing sealing module is connected with the discharge bin, the packing sealing module is connected with the V-shaped sealing module, and the V-shaped sealing module is connected with the sealing ring module.

According to some embodiments of the invention, an atmosphere lubrication module is connected between the packing sealing module and the V-shaped sealing module, and a chamber is formed between the atmosphere lubrication module and the furnace tube end socket.

According to some embodiments of the invention, the atmosphere lubricating module comprises an atmosphere lubricating frame and a driving port, the atmosphere lubricating frame is used for being connected with the packing sealing module and the V-shaped sealing module, and the driving port is used for injecting cooling gas into the cavity.

According to some embodiments of the invention, the sealing ring module is fitted with a sealing plate on the outside.

According to some embodiments of the invention, the packing sealing module comprises a packing sealing frame and a sealing packing, the sealing packing is mounted at the bottom of the packing sealing frame, and the sealing packing is pressed towards the furnace tube end socket.

According to some embodiments of the invention, the V-shaped sealing module comprises a V-shaped sealing frame and a V-shaped sealing ring, the V-shaped sealing ring is mounted at the bottom of the V-shaped sealing frame, and the V-shaped sealing ring presses against the furnace tube end socket.

According to some embodiments of the invention, the sealing ring module comprises a sealing ring frame and a sealing ring, the sealing ring is mounted at the bottom of the sealing ring frame, and the sealing ring is pressed towards the furnace tube end socket.

The invention has at least the following beneficial effects:

this seal structure seals the rotary kiln boiler tube through multilayer seal structure, and wherein the packing seal module is the first layer, atmosphere lubrication module is the second floor, and the sealing washer module is the third layer, can select packing seal module, V type seal module, sealing washer module to make up the collocation according to the behavior, improves sealed effect to be convenient for subsequent transformation maintenance, only need change the seal module of damage, with improve work efficiency and reduce and reform transform the maintenance cycle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is an overall cross-sectional view of an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a shown in fig. 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

Referring to fig. 1 and 2, a rotary kiln module sealing structure comprises a furnace tube 100 and a discharge bin 200, wherein one end of the furnace tube 100 is rotatably installed on the discharge bin 200, a furnace tube end socket 300 is sleeved on the furnace tube 100, a packing sealing module 400, a V-shaped sealing module 500 and a sealing ring module 600 are sleeved on the furnace tube end socket 300, a multi-layer sealing structure is formed to seal the rotary kiln furnace tube 100, wherein the packing sealing module 400 is connected with the discharge bin 200, the packing sealing module 400 is connected with the V-shaped sealing module 500, the V-shaped sealing module 500 is connected with the sealing ring module 600, the packing sealing module 400, the V-shaped sealing module 500 and the sealing ring module 600 can be selected according to working conditions to be combined and matched, sealing effects are improved, subsequent transformation and maintenance are facilitated, only damaged sealing modules need to be replaced, and working efficiency is improved and transformation and maintenance periods are reduced.

Referring to fig. 3, an atmosphere lubrication module 700 is connected between the packing sealing module 400 and the V-shaped sealing module 500, a cavity is formed between the atmosphere lubrication module 700 and the furnace tube end socket 300, heat transfer and dust deposition can be effectively reduced, and lubricating oil can be injected into an opening above the atmosphere lubrication module 700 to lubricate the sealing ring 620 and the packing, so that the sealing performance is improved.

The atmosphere lubrication module 700 comprises an atmosphere lubrication frame 710 and a driving-in port 720, the atmosphere lubrication frame 710 is used for being connected with the packing sealing module 400 and the V-shaped sealing module 500, and the driving-in port 720 is used for injecting cooling gas into a cavity, so that the temperature of a sealing structure can be reduced.

A sealing plate 800 is installed at the outer side of the sealing ring module 600 to shield the sealing structure.

Referring to fig. 3, the packing seal module 400 is a first seal structure, the packing seal module 400 includes a packing seal holder 410 and a seal packing 420, the seal packing 420 is mounted at the bottom of the packing seal holder 410, the seal packing 420 presses towards the furnace tube end socket 300, and is sealed by the rotary contact of the seal packing 420 and the furnace tube end socket 300, and meanwhile, the seal packing 420 has the characteristics of wear resistance, high temperature resistance and the like, and can reduce the heat and dust entering the seal structure.

Referring to fig. 3, the V-shaped sealing module 500 is used as a second sealing structure, the V-shaped sealing module 500 includes a V-shaped sealing frame 510 and a V-shaped sealing ring 520, the V-shaped sealing ring 520 is installed at the bottom of the V-shaped sealing frame 510, the V-shaped sealing ring 520 presses against the furnace tube end socket 300, and the V-shaped sealing ring 520 is in rotary contact with the furnace tube end socket 300 for sealing, so that the V-shaped sealing ring 520 can increase the bonding force between the V-shaped sealing ring 520 and the furnace tube end socket 300 through the force generated by deformation, can be used under a higher pressure condition, and can reduce the working pressure of the sealing ring module 600 after sealing.

Referring to fig. 3, the seal ring module 600 is used as a third seal structure, the seal ring module 600 is a flange seal ring 620, the seal ring module 600 includes a seal ring frame 610 and a seal ring 620, the seal ring 620 is installed at the bottom of the seal ring frame 610, the seal ring 620 presses towards the furnace tube end socket 300, and is attached to the furnace tube end socket 300 through deformation of the seal ring 620, so as to seal in a low-pressure environment.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a rotary kiln module seal structure, includes boiler tube (100), goes out feed bin (200), the one end of boiler tube (100) rotate adorn in go out feed bin (200), its characterized in that, the cover is equipped with boiler tube head (300) on boiler tube (100), the cover is equipped with packing seal module (400), V type seal module (500), sealing washer module (600) on boiler tube head (300), packing seal module (400) with go out feed bin (200) and connect, packing seal module (400) with V type seal module (500) are connected, V type seal module (500) with sealing washer module (600) are connected.

2. The rotary kiln module sealing structure according to claim 1, wherein an atmosphere lubrication module (700) is connected between the packing sealing module (400) and the V-shaped sealing module (500), and a cavity is formed between the atmosphere lubrication module (700) and the furnace tube end socket (300).

3. The rotary kiln module sealing structure according to claim 2, wherein the atmosphere lubrication module (700) comprises an atmosphere lubrication frame (710) and a driving port (720), the atmosphere lubrication frame (710) is used for being connected with the packing sealing module (400) and the V-shaped sealing module (500), and the driving port (720) is used for injecting cooling gas into the cavity.

4. The rotary kiln module sealing structure according to claim 1, wherein a sealing plate (800) is installed at the outer side of the sealing ring module (600).

5. The rotary kiln module sealing structure according to claim 1, wherein the packing sealing module (400) comprises a packing sealing frame (410) and a sealing packing (420), the sealing packing (420) is mounted at the bottom of the packing sealing frame (410), and the sealing packing (420) is pressed towards the furnace tube end socket (300).

6. The rotary kiln module sealing structure according to claim 1, wherein the V-shaped sealing module (500) comprises a V-shaped sealing frame (510) and a V-shaped sealing ring (520), the V-shaped sealing ring (520) is mounted at the bottom of the V-shaped sealing frame (510), and the V-shaped sealing ring (520) is pressed towards the furnace tube end socket (300).

7. The rotary kiln module sealing structure according to claim 1, wherein the sealing ring module (600) comprises a sealing ring frame (610) and a sealing ring (620), the sealing ring (620) is mounted at the bottom of the sealing ring frame (610), and the sealing ring (620) is pressed towards the furnace tube end socket (300).