Split seal for horizontal reactor

Abstract

The split seal for the horizontal reactor comprises a rotating shaft, a connecting flange, a sealing mechanism and an end cover, the sealing mechanism comprises a sealing cover, a first sealing assembly, a second sealing assembly and an elastic assembly, and the elastic assembly is located between the first sealing assembly and the second sealing assembly. The elastic assembly comprises two symmetrically-arranged extrusion rings, and a plurality of springs distributed in a circumferential array mode are arranged between the two extrusion rings. According to the split type seal for the horizontal reactor, good sealing performance is provided through the first sealing assembly and the second sealing assembly, the split type framework oil seals are pressed tightly through the elastic assembly, the conditions that gaps between the split type framework oil seals and a rotating shaft are increased and the split type framework oil seals shake are prevented, and the sealing performance of the horizontal reactor is improved. And good sealing performance is maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of split seals, in particular to a split seal for a horizontal reactor. Background Art

[0002] The traditional horizontal polymerization kettle reactor seal is a packing seal, but due to the defects of the packing itself, medium leakage often occurs in the sealing part, causing harm to the environment and personnel. When replacing the sealing structure, if the overall sealing method is used, it is necessary to dismantle large equipment such as bearings and couplings. The disassembly and assembly period is long and maintenance is extremely inconvenient. Therefore, a split seal has emerged. However, the existing horizontal reactor uses a split sealing structure. After long-term use, the split skeleton oil seal is prone to increased sealing gap and shaking. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a split seal for a horizontal reactor, the purpose of which is to solve the problems of the existing split seal structure for a horizontal reactor, in which the split skeleton oil seal is prone to problems such as increased sealing gap and shaking after long-term use.

[0004] In order to achieve the above-mentioned utility model purpose, the technical solution adopted by the utility model is:

[0005] A split seal for a horizontal reactor includes a rotating shaft, a connecting flange, a sealing mechanism and an end cover. The sealing mechanism includes a sealing cover, a first sealing component, a second sealing component and an elastic component. The elastic component is located between the first sealing component and the second sealing component. The elastic component includes two symmetrically arranged extrusion rings, and a plurality of springs distributed in a circumferential array are arranged between the two extrusion rings.

[0006] Furthermore, the first sealing assembly includes a first split skeleton oil seal and a second split skeleton oil seal, and the first split skeleton oil seal and the second split skeleton oil seal are arranged opposite to each other to form the first sealing assembly.

[0007] Furthermore, the second sealing assembly includes a third split skeleton oil seal and a fourth split skeleton oil seal, and the third split skeleton oil seal and the fourth split skeleton oil seal are arranged relative to each other to form the second sealing assembly.

[0008] Furthermore, mounting holes are provided on opposite sides of the two extrusion rings, and both ends of the spring are located in the mounting holes.

[0009] Furthermore, the extrusion ring includes two symmetrically arranged semicircular rings.

[0010] Furthermore, a threaded hole is provided on the sealing cover, and an oil nozzle is provided in the threaded hole.

[0011] Furthermore, the connecting flange and the sealing cover are fixedly connected by bolts.

[0012] Furthermore, the end cover and the sealing cover are fixedly connected by bolts.

[0013] The beneficial effects of the utility model are:

[0014] The utility model discloses a split seal for a horizontal reactor. The first sealing component and the second sealing component are provided to provide good sealing performance. The elastic component is provided to press the split skeleton oil seals to prevent the gap between the split skeleton oil seal and the rotating shaft from increasing and shaking, thereby maintaining good sealing performance. The seals are all split. When replacing the seals, it is only necessary to remove the bolts, and the replacement can be completed quickly without disassembling the bearing seat, motor and other equipment. The maintenance and replacement efficiency is improved while the intensity of installation and disassembly is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the elastic component structure of the present utility model.

[0018] Reference table of accompanying symbols:

[0019] 1. Rotating shaft; 2. Connecting flange; 3. Sealing mechanism; 4. End cover; 5. Sealing cover; 6. First sealing assembly; 7. Second sealing assembly; 8. Elastic assembly; 9. Extrusion ring; 10. Spring; 11. First split skeleton oil seal; 12. Second split skeleton oil seal; 13. Third split skeleton oil seal; 14. Fourth split skeleton oil seal; 15. Mounting hole; 16. Semicircular ring; 17. Threaded hole; 18. Oil nozzle. DETAILED DESCRIPTION

[0020] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] like Figures 1 to 3 As shown, a split seal for a horizontal reactor includes a rotating shaft 1, which is the power input end of the horizontal reactor. A connecting flange 2 is sleeved on the outer side of the rotating shaft 1, and the connecting flange 2 is fixedly connected to the horizontal reactor by bolts.

[0024] A sealing mechanism 3 is provided on the side of the connecting flange 2 away from the horizontal reactor. The sealing mechanism 3 includes a sealing cover 5 fixedly connected to the connecting flange 2 by bolts. A first sealing assembly 6 is provided in the sealing cover 5. The first sealing assembly 6 includes a first split skeleton oil seal 11 and a second split skeleton oil seal 12. The first split skeleton oil seal 11 and the second split skeleton oil seal 12 are arranged relative to each other to constitute the first sealing assembly 6.

[0025] An elastic component 8 is provided on the side of the first sealing component 6 away from the connecting flange 2. The elastic component 8 includes two symmetrically arranged extrusion rings 9. A plurality of springs 10 distributed in a circular array are provided between the two extrusion rings 9. Mounting holes 15 are provided on the opposite sides of the two extrusion rings 9. Both ends of the spring 10 are located in the mounting holes 15. The extrusion ring 9 includes two symmetrically arranged semicircular rings 16.

[0026] A second sealing assembly 7 is provided on the side of the elastic assembly 8 away from the first sealing assembly 6. The second sealing assembly 7 includes a third split skeleton oil seal 13 and a fourth split skeleton oil seal 14. The third split skeleton oil seal 13 and the fourth split skeleton oil seal 14 are relatively arranged to constitute the second sealing assembly 7.

[0027] The side of the sealing cover 5 away from the connecting flange 2 is connected to the end cover 4 by bolts.

[0028] The first sealing component 6 and the second sealing component 7 are provided to provide good sealing performance. The elastic component 8 is provided to press the split skeleton oil seals together to prevent the gap between the split skeleton oil seal and the rotating shaft 1 from increasing and shaking, thereby maintaining good sealing performance.

[0029] A threaded hole 17 is provided on the sealing cover 5, and an oil nozzle 18 is provided in the threaded hole 17. Lubricating oil is injected into the sealing cover 5 through the oil nozzle 18 to form an oil film between the split skeleton oil seal and the rotating shaft 1 to maintain a good sealing effect.

[0030] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the scope of protection of the present utility model patent.

Claims

1. A split seal for a horizontal reactor, characterized in that: The invention comprises a rotating shaft (1), a connecting flange (2), a sealing mechanism (3) and an end cover (4); the sealing mechanism (3) comprises a sealing cover (5), a first sealing component (6), a second sealing component (7) and an elastic component (8); the elastic component (8) is located between the first sealing component (6) and the second sealing component (7); the elastic component (8) comprises two symmetrically arranged extrusion rings (9); and a plurality of springs (10) distributed in a circumferential array are arranged between the two extrusion rings (9).

2. The split seal for a horizontal reactor according to claim 1, characterized in that: The first sealing assembly (6) comprises a first split skeleton oil seal (11) and a second split skeleton oil seal (12); the first split skeleton oil seal (11) and the second split skeleton oil seal (12) are arranged relative to each other to form the first sealing assembly (6).

3. The split seal for a horizontal reactor according to claim 1, characterized in that: The second sealing assembly (7) comprises a third split skeleton oil seal (13) and a fourth split skeleton oil seal (14), and the third split skeleton oil seal (13) and the fourth split skeleton oil seal (14) are arranged relative to each other to form the second sealing assembly (7).

4. The split seal for a horizontal reactor according to claim 1, characterized in that: Mounting holes (15) are provided on opposite sides of the two extrusion rings (9), and both ends of the spring (10) are located in the mounting holes (15).

5. The split seal for a horizontal reactor according to claim 4, characterized in that: The extrusion ring (9) comprises two symmetrically arranged semicircular rings (16).

6. The split seal for a horizontal reactor according to claim 1, characterized in that: A threaded hole (17) is provided on the sealing cover (5), and an oil nozzle (18) is provided in the threaded hole (17).

7. The split seal for a horizontal reactor according to claim 1, characterized in that: The connecting flange (2) and the sealing cover (5) are fixedly connected by bolts.

8. The split seal for a horizontal reactor according to claim 7, characterized in that: The end cover (4) and the sealing cover (5) are fixedly connected by bolts.

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