CN219014943U

CN219014943U - Rotary kiln module sealing structure

Info

Publication number: CN219014943U
Application number: CN202222932792.9U
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: 2023-05-12
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a rotary kiln module sealing structure which comprises a furnace tube and a discharging bin, wherein one end of the furnace tube is rotatably arranged on the discharging bin, a furnace tube sealing head 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 sealing head to form a multi-layer sealing structure for sealing the furnace tube of the rotary kiln, wherein the packing sealing module is connected with the discharging bin and is connected with the V-shaped sealing module, the V-shaped sealing module is connected with the sealing ring module, the packing sealing module, the V-shaped sealing module and the sealing ring module can be selected according to working conditions to be combined and matched, the sealing effect is improved, the subsequent reconstruction and maintenance are convenient, and only the damaged sealing module is required to be replaced, so that the working efficiency is improved and the reconstruction and maintenance period is shortened.

Description

Rotary kiln module sealing structure

Technical Field

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

Background

The lithium battery cathode material sintering rotary kiln is used for sintering materials at high temperature during working, and simultaneously releasing combustible harmful gases, and the rotary kiln is required to be driven into protective atmosphere to ensure the sealing of a furnace tube of the rotary kiln; the rotary kiln is sealed by sealing structures at two ends of the furnace tube, the furnace tube continuously rotates during operation, and the furnace tube thermally expands and stretches when the temperature rises, so that the requirement on the sealing structure of the rotary kiln is higher; the existing rotary kiln is usually sealed by adopting a labyrinth seal and a sealing ring, wherein the labyrinth seal is greatly influenced by radial and axial runout of a furnace tube, and is easy to fail and leak gas; the sealing ring is short in service life due to the influence of temperature, the sealing performance of the sealing ring is reduced due to high temperature, and when the pressure in the furnace is too high, the gas leakage can cause environmental pollution, meanwhile, the dust of materials in the furnace can be blown out, and the materials are lost, so that the technical problems are required to be improved.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the embodiment of the utility model provides a rotary kiln module sealing structure, which comprises a furnace tube and a discharging bin, wherein one end of the furnace tube is rotatably arranged on the discharging 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 discharging 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 utility model, an atmosphere lubrication module is connected between the packing seal module and the V-shaped seal module, and a cavity is formed between the atmosphere lubrication module and the furnace tube end socket.

According to some embodiments of the utility model, the atmosphere lubrication module comprises an atmosphere lubrication carriage for connecting with the packing seal module and the V-seal module, and a driving port for injecting cooling gas into the chamber.

According to some embodiments of the utility model, the sealing ring module is provided with a sealing plate on the outer side.

According to some embodiments of the utility model, the packing sealing module comprises a packing sealing frame and a sealing packing, wherein the sealing packing is arranged at the bottom of the packing sealing frame, and the sealing packing is pressed towards the furnace tube sealing head.

According to some embodiments of the utility model, the V-shaped sealing module comprises a V-shaped sealing frame and a V-shaped sealing ring, wherein the V-shaped sealing ring is installed at the bottom of the V-shaped sealing frame, and the V-shaped sealing ring is pressed towards the furnace tube sealing head.

According to some embodiments of the utility model, the sealing ring module comprises a sealing ring frame and a sealing ring, wherein the sealing ring is arranged at the bottom of the sealing ring frame, and the sealing ring is pressed towards the furnace tube sealing head.

The utility model has at least the following beneficial effects:

this seal structure seals rotary kiln boiler tube through multilayer seal structure, and wherein packing seal module is first layer, atmosphere lubrication module is the second floor, and sealing washer module is the third floor, can select packing seal module, V type seal module, sealing washer module to make up the collocation according to the working condition, improves sealed effect to the follow-up improvement maintenance of being convenient for only need change the seal module of damage, in order to improve work efficiency and reduce improvement maintenance cycle.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an overall schematic of an embodiment of the present utility model;

FIG. 2 is a schematic overall cross-sectional view of an embodiment of the present utility model;

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

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Referring to fig. 1 and 2, a rotary kiln module sealing structure is shown, including furnace tube 100, go out feed bin 200, one end of furnace tube 100 rotates to adorn on the feed bin 200, the cover is equipped with furnace tube head 300 on the furnace tube 100, the cover is equipped with packing seal module 400 on the furnace tube head 300, V type seal module 500, sealing washer module 600, form multilayer seal structure and seal rotary kiln tube 100, wherein packing seal module 400 is connected with go out feed bin 200, packing seal module 400 is connected with V type seal module 500, V type seal module 500 is connected with sealing washer module 600, can select packing seal module 400 according to the behavior, V type seal module 500, sealing washer module 600 makes up the collocation, improve sealed effect, and be convenient for follow-up improvement maintenance, only need change the seal module that damages, in order to improve work efficiency and reduce improvement maintenance cycle.

Referring to fig. 3, an atmosphere lubrication module 700 is connected between the packing seal module 400 and the V-shaped seal module 500, and a chamber is formed between the atmosphere lubrication module 700 and the furnace tube sealing head 300, so that 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, thereby increasing tightness.

The atmosphere lubrication module 700 includes an atmosphere lubrication carriage 710 and a driving opening 720, the atmosphere lubrication carriage 710 is connected to the packing seal module 400 and the V-shaped seal module 500, and the driving opening 720 is used for injecting cooling gas into the chamber, so that the temperature of the seal structure can be reduced.

The 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 used as a first seal structure, the packing seal module 400 includes a packing seal frame 410 and a sealing packing 420, the sealing packing 420 is installed at the bottom of the packing seal frame 410, the sealing packing 420 is pressed towards the furnace tube end socket 300, and the sealing packing 420 is in rotary contact with the furnace tube end socket 300 to seal, and meanwhile, the sealing packing 420 has the characteristics of wear resistance, high temperature resistance and the like, so that heat and dust can be reduced, and the entering into the seal structure can be reduced.

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 is pressed towards the furnace tube sealing head 300, the V-shaped sealing ring 520 is in rotary contact with the furnace tube sealing head 300 to seal, the force generated by deformation of the V-shaped sealing ring 520 can increase the bonding force between the V-shaped sealing ring 520 and the furnace tube sealing head 300, the V-shaped sealing module can be used under a higher pressure condition, and the working pressure of the sealing ring module 600 can be reduced after sealing.

Referring to fig. 3, a sealing ring module 600 is used as a third sealing structure, the sealing ring module 600 is a flange sealing ring 620, the sealing ring module 600 includes a sealing ring frame 610 and a sealing ring 620, the sealing ring 620 is installed at the bottom of the sealing ring frame 610, the sealing ring 620 is pressed against the furnace tube sealing head 300, and is attached to the furnace tube sealing head 300 through deformation of the sealing ring 620, so that sealing is performed in a low-pressure environment.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a rotary kiln module seal structure, includes boiler tube (100), ejection of compact storehouse (200), the one end rotation of boiler tube (100) adorn in on ejection of compact storehouse (200), its characterized in that, cover is equipped with boiler tube head (300) on boiler tube head (300), 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 ejection of compact storehouse (200) are connected, 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 chamber is formed between the atmosphere lubrication module (700) and the furnace tube sealing head (300).

3. The rotary kiln module sealing structure according to claim 2, wherein the atmosphere lubrication module (700) comprises an atmosphere lubrication carriage (710) and a driving port (720), the atmosphere lubrication carriage (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. A rotary kiln module sealing arrangement according to claim 1, characterized in that the outside of the sealing ring module (600) is provided with a closing plate (800).

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 arranged at the bottom of the packing sealing frame (410), and the sealing packing (420) is pressed towards the furnace tube sealing head (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 installed at the bottom of the V-shaped sealing frame (510), and the V-shaped sealing ring (520) is pressed towards the furnace tube sealing head (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 installed at the bottom of the sealing ring frame (610), and the sealing ring (620) is pressed towards the furnace tube sealing head (300).