CN213711876U

CN213711876U - Mechanical seal for efficiently cooling rotating shaft

Info

Publication number: CN213711876U
Application number: CN202021614086.4U
Authority: CN
Inventors: 尚明根
Original assignee: Wuxi Iger Bergman Technology Co ltd
Current assignee: Yanchi Equipment Technology Wuxi Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-07-16
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a high-efficient refrigerated mechanical seal of pivot, including mechanical seal body and cooling body, the mechanical seal body passes through the installation of cooling body and sets up on the reation kettle body, and the pivot passes cooling body, cooling body is including cooling module and heat conduction module, cooling module and pivot interval set up, the heat conduction module sets up between cooling module and the pivot, the epaxial heat of pivot is passed through heat conduction module direction to cooling module. Carry out high-efficient quick cooling through the cooling module to the pivot and handle, reduce the heat of transmitting to each sealing washer department through the pivot body to this internal sealing performance of protection mechanical seal promotes the life to the mechanical seal body.

Description

Mechanical seal for efficiently cooling rotating shaft

Technical Field

The utility model belongs to the mechanical seal field, in particular to high-efficient refrigerated mechanical seal of pivot.

Background

In current mechanical seal device for cauldron, long-time use, inside can give out a large amount of heats, and the pivot can lead to the heat conduction to each sealing washer, can cause ageing and the damage of sealing washer for a long time to cause sealed inefficacy and gas leakage, if can't cool down the heat of pivot and handle, cause the damage of device very easily.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a high-efficient refrigerated mechanical seal of pivot can cool down the pivot axis body, protects this internal sealing performance of mechanical seal.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a high-efficient refrigerated mechanical seal of pivot, includes mechanical seal body and cooling body, the mechanical seal body passes through the installation of cooling body and sets up on the reation kettle body, and the pivot passes cooling body, cooling body is including cooling module and heat conduction module, cooling module and pivot interval set up, the heat conduction module sets up between cooling module and the pivot, the epaxial heat of commentaries on classics leads to cooling module through the heat conduction module.

Further, the cooling module includes the mount pad, the mount pad is the loop configuration, the mount pad contains hollow cooling chamber, inlet and liquid outlet have been seted up on the cooling chamber.

Furthermore, a guide plate is arranged in the cooling cavity and is of a spiral annular plate body structure.

Furthermore, the heat conduction module comprises a plurality of heat conduction fins, and the heat conduction fins are arranged on the inner wall of the cooling module.

Furthermore, the heat conduction module includes a plurality of heat conduction fins, and is a plurality of heat conduction fins set up on the wall body of pivot along the axial, and a plurality of heat conduction fin circumference array sets up.

Further, an airflow baffle is arranged between the heat conduction module and the mechanical seal body, the airflow baffle is of a conical annular body structure, the airflow baffle is sleeved outside the rotating shaft, the small end of the airflow baffle is close to the heat conduction fin, and the large end of the airflow baffle is attached to the bottom end of the mechanical seal body.

Further, the top opening of the reaction kettle body is provided with a dustproof ring, and the dustproof ring and the rotating shaft are arranged in a rotating and sealing mode.

Has the advantages that: the utility model discloses a cooling module carries out high-efficient quick cooling to the pivot and handles, reduces the heat of passing through pivot body transmission to each sealing washer department to this internal sealing performance of protection mechanical seal promotes the life to the mechanical seal body.

Drawings

Fig. 1 is a half-section schematic view of the whole structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the attached figure 1, the mechanical seal for efficiently cooling the rotating shaft comprises a mechanical seal body 1 and a cooling mechanism 2, the mechanical seal body 1 is arranged on the top opening of the reaction kettle body 3 through a cooling mechanism 2, and the rotating shaft 4 passes through the cooling mechanism 2, the cooling mechanism 2 comprises a cooling module 6 and a heat conducting module 7, the cooling module 6 is arranged at a distance from the rotating shaft 4, the heat conducting module 7 is arranged between the cooling module 6 and the rotating shaft 4, the heat on the rotating shaft 4 is guided to the cooling module 6 through the heat conducting module 7, the heat of the rotating shaft 4 is increased by the heat conduction module 7 and is transferred to the cooling module 6, the rotating shaft is efficiently and quickly cooled by the cooling module 6, the heat transferred to each sealing ring through the rotating shaft body is reduced, thereby the sealing performance in the protection mechanical seal body promotes the life to the mechanical seal body.

The cooling module 6 comprises a mounting seat 9, the mounting seat 9 is of an annular structure, and mounting flanges are respectively arranged at two ends of the mounting seat 9 and are used for being connected with the mechanical seal body 1 and the reaction kettle body 3. The mounting seat 9 comprises a hollow and sealed cooling cavity 10, a liquid inlet 11 and a liquid outlet 12 are formed in the outer wall of the cooling cavity 10, and heat on the rotating shaft is rapidly reduced through cooling liquid flowing in the cooling cavity 10. A guide plate 13 is arranged in the cooling cavity 10, the guide plate 13 is of a spiral annular plate structure, and the length of a flow path of the cooling liquid in the cooling cavity 10 is increased through the guide plate 13 so as to sufficiently absorb heat.

The first embodiment: the heat conduction module 7 comprises a plurality of heat conduction fins 14, the heat conduction fins 14 are arranged on the inner wall of the cooling module 6, the heat conduction fins 14 are arranged in a rotating mode relative to the rotating shaft 4, and heat on the rotating shaft 4 is guided to the cooling module 6 through the heat conduction fins 14.

Second embodiment: heat conduction module 7 includes a plurality of heat conduction fins 14, and is a plurality of heat conduction fins 14 sets up on the wall body of pivot 4 along the axial, and is a plurality of heat conduction fins 14 circumference array sets up, and is a plurality of heat conduction fins 14 rotates along the pivot, and heat conduction fins form the flabellum and drive the air current flow in the mount pad 9 inner chamber for the heat can be quick direction cooling module 6 to more quick cooling.

An airflow baffle plate 15 is arranged between the heat conduction module 7 and the mechanical seal body 1, the airflow baffle plate 15 is of a tapered annular structure, the airflow baffle plate 15 is sleeved outside the rotating shaft 4, the small end of the airflow baffle plate 15 is close to the heat conduction fin 14, and the large end of the airflow baffle plate 15 is attached to the bottom end of the mechanical seal body 1. The air flow is directed to the cooling module 6 by the air flow baffle 15 and heat is prevented or reduced from entering the mechanical seal body.

The top end opening of the reaction kettle body 3 is provided with a dustproof ring 5, the dustproof ring 5 is a sealing ring, and the dustproof ring 5 and the rotating shaft 4 are arranged in a rotating and sealing mode.

Still include rotating ring wearing and tearing detection mechanism, mechanical seal body 1 contains the rotating ring subassembly, rotating ring subassembly elasticity and sealed roof pressure are in on the fixed ring subassembly, the rotating ring subassembly includes solid fixed ring 20, connecting spring 22 and rotating ring 23, rotating ring 23 passes through connecting spring 22 elastic connection on solid fixed ring 20, rotating ring 23 and solid fixed ring 20 interval setting, rotating ring wearing and tearing detection mechanism sets up between solid fixed ring 20 and rotating ring 23, just rotating ring wearing and tearing detection mechanism detects the displacement of rotating ring 23 for solid fixed ring 20 on the axial direction, rotating ring wearing and tearing detection mechanism is distance sensor, the wearing and tearing volume of detection rotating ring that can be timely and accurate guarantees mechanical seal performance.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A mechanical seal for efficiently cooling a rotating shaft is characterized in that: including mechanical seal body (1) and cooling body (2), mechanical seal body (1) sets up on the reation kettle body (3) through cooling body (2) installation, and pivot (4) pass cooling body (2), cooling body (2) are including cooling module (6) and heat conduction module (7), cooling module (6) and pivot (4) interval set up, heat conduction module (7) set up between cooling module (6) and pivot (4), heat on pivot (4) leads to cooling module (6) through heat conduction module (7).

2. A mechanical seal for efficient cooling of a rotating shaft according to claim 1, wherein: cooling module (6) include mount pad (9), mount pad (9) are the loop configuration, mount pad (9) contain hollow cooling chamber (10), inlet (11) and liquid outlet (12) have been seted up on cooling chamber (10).

3. A mechanical seal for efficient cooling of a rotating shaft according to claim 2, wherein: a guide plate (13) is arranged in the cooling cavity (10), and the guide plate (13) is of a spiral annular plate body structure.

4. A mechanical seal for efficient cooling of a rotating shaft according to claim 1, wherein: the heat conduction module (7) comprises a plurality of heat conduction fins (14), and the heat conduction fins (14) are arranged on the inner wall of the cooling module (6).

5. A mechanical seal for efficient cooling of a rotating shaft according to claim 1, wherein: the heat conduction module (7) comprises a plurality of heat conduction fins (14), the heat conduction fins (14) are axially arranged on the wall body of the rotating shaft (4), and the heat conduction fins (14) are circumferentially arranged in an array mode.

6. A mechanical seal for efficient cooling of a rotating shaft according to claim 5, wherein: be provided with airflow baffle (15) between heat conduction module (7) and mechanical seal body (1), airflow baffle (15) taper ring body structure, airflow baffle (15) cover is established in the outside of pivot (4), just the tip of airflow baffle (15) is close to in heat conduction fin (14), the tip laminating of airflow baffle (15) is in the bottom of mechanical seal body (1).

7. A mechanical seal for efficient cooling of a rotating shaft according to claim 1, wherein: the top end opening of the reaction kettle body (3) is provided with a dustproof ring (5), and the dustproof ring (5) and the rotating shaft (4) are arranged in a rotating and sealing mode.