CN216241460U

CN216241460U - Water-cooling packing shaft seal system

Info

Publication number: CN216241460U
Application number: CN202122805410.1U
Authority: CN
Inventors: 马尔科姆克里斯宾斯道夫; 贾艳宏; 刘伟东
Original assignee: Halifax Fan Nantong Co ltd
Current assignee: Halifax Fan Nantong Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of machinery, and discloses a water-cooling packing shaft seal system which comprises a sealing tube plate B, wherein a perforated pipeline is coaxially and fixedly connected to the sealing tube plate B, a step-shaped channel is formed between the perforated pipeline and the sealing tube plate B, a packing seat is welded in the perforated pipeline, the packing seat is welded with the sealing tube plate B, a packing is installed in the packing seat, a sealing tube plate A is welded at one end, away from the sealing tube plate B, of the perforated pipeline, a gap is formed between the perforated pipeline and the packing seat to form a water storage cavity, through holes are formed in symmetrical positions of the perforated pipeline, a first pipeline is fixedly connected to one through hole, a second pipeline is fixedly connected to the other through hole, and when the water-cooling packing shaft seal system is used, heat can be timely dissipated, and then the shaft can be protected.

Description

Water-cooling packing shaft seal system

Technical Field

The utility model belongs to the technical field of machinery, and particularly relates to a water-cooling packing shaft seal system.

Background

The fan is a device which utilizes a motor or other driving devices to drive an impeller to rotate and uses input mechanical energy to improve the pressure of gas so as to overcome the resistance of a pipeline or equipment to carry out gas conveying.

The fan has wide application range, and provides power for conveying gas and blood like a heart in the industries of steel, cement, chemical industry, electric power, food, tunnels, mines, building ventilation, dust removal and the like.

The shaft seal is an indispensable part of the fan and has the function of blocking the medium in the fan shell from leaking out. And different shaft seals can be selected and matched according to actual working conditions when flammable and explosive gas leaks, toxic gas leaks or heat leakage of high-temperature media in the wind shell. This application reaches 600 degrees to fan medium temperature, and general bearing seal is so high temperature that can't bear, so chooses high temperature resistant graphite packing in this application for use, in addition because no matter be the high temperature of medium or packing here with the thematic temperature of friction between the axle, all be unfavorable for bearing frame inner bearing life-span.

Disclosure of Invention

In view of the above situation, in order to overcome the defects in the prior art, the present invention provides a water-cooling packing shaft seal system, which effectively solves the problems proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a water-cooling packing bearing seal system, includes sealed tube sheet B, coaxial rigid coupling has foraminiferous pipeline on the sealed tube sheet B, form a step-like passageway and welded the packing seat in the foraminiferous pipeline between foraminiferous pipeline and the sealed tube sheet B, the packing is installed to the packing seat with sealed tube sheet B welding together, the one end welding that sealed tube sheet B was kept away from to foraminiferous pipeline has sealed tube sheet A, there is the space in order to constitute the water storage chamber between foraminiferous pipeline and the packing seat.

Through holes are formed in the symmetrical positions of the pipelines with the holes, a first pipeline is fixedly connected into one through hole, and a second pipeline is fixedly connected into the other through hole.

The first pipeline comprises a first pipe fitting, a pipeline A, a first connecting portion and a second connecting portion, one end of the first pipe fitting is welded on the inner wall of one of the through holes, and the first pipe fitting, the pipeline A, the first connecting portion and the second connecting portion are fixedly connected in sequence and communicated with the inside of the first pipe fitting.

The second pipeline comprises a second pipe fitting, a pipeline B, a third connecting part, a fourth connecting part, a fifth connecting part and a sixth connecting part, one end of the second pipe fitting is welded on the inner wall of the other through hole, and the second pipe fitting, the pipeline B, the third connecting part, the fourth connecting part, the fifth connecting part and the sixth connecting part are fixedly connected in sequence and are communicated with each other inside.

One side of the sealing tube plate A, which is far away from the packing base seat, is provided with a shaft seal pressing plate, and connecting holes are formed in the shaft seal pressing plate and the packing base seat.

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

the graphite packing is arranged and the shaft seal pressing plate is arranged in a matched mode, all accessories are connected together, when the device is used, the gap between the shaft and the wind casing is sealed through the high-temperature resistance of the graphite packing based on the high-temperature resistance of the graphite packing, heat generated by the sealing shaft can be accumulated on the high-temperature resistant graphite packing, the damage to the shaft seal by high temperature is solved, and the problem that the high-temperature shaft seal is difficult to select is solved; then through leading into water storage intracavity to make this device when using, can distribute away the heat in time through the mode of water-cooling.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic illustration of an explosive structure according to the present invention;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic view of the cross-sectional structure E-E of FIG. 2 according to the present invention.

In the figure: 1. a packing base; 2. sealing the tube plate A; 3. a perforated pipe; 4. sealing the tube plate B; 5. a first pipe member; 6. packing; 7. a shaft seal pressing plate; 8. a pipeline A; 9. a pipeline B; 10. a second pipe member; 11. a first connection portion; 12. a second connecting portion; 13. a third connecting portion; 14. a fourth connecting portion; 15. a fifth connecting part; 16. a sixth connecting portion; 17. and a through hole.

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.

In a first embodiment, as shown in fig. 1-3, a water-cooled packing shaft seal system includes a sealing tube plate B4, a perforated pipe 3 is coaxially and fixedly connected to a sealing tube plate B4, a step-shaped channel is formed between the perforated pipe 3 and the sealing tube plate B4, when a shaft passes through the sealing tube plate B4, a packing 6 is tightly attached to the surface of the shaft, a packing seat 1 is welded in the perforated pipe 3, the packing seat 1 is welded to the sealing tube plate B4, a packing 6 is installed in the packing seat 1, the packing 6 may be made of a PTFE material at a normal temperature or a graphite high-temperature resistant PTFE at a high temperature, a sealing tube plate a2 is welded to an end of the perforated pipe 3 away from the sealing tube plate B4, and a gap exists between the perforated pipe 3 and the packing seat 1 to form a water storage cavity.

All seted up through-hole 17 on foraminiferous pipeline 3's the symmetric position, the rigid coupling has first pipeline in one of them through-hole 17, and the rigid coupling has the second pipeline in another through-hole 17, and a water route pipeline is constituteed with the water storage chamber to first pipeline, second pipeline, and then when this device used, can carry out the water-cooling to the counter shaft.

The first pipeline comprises a first pipe fitting 5, a pipeline A8, a first connecting part 11 and a second connecting part 12, one end of the first pipe fitting 5 is welded on the inner wall of one of the through holes 17, the first pipe fitting 5, a pipeline A8, the first connecting part 11 and the second connecting part 12 are fixedly connected and communicated in sequence, when the second connecting part 12 is manufactured, an internal thread can be tapped in one end of the first pipe fitting, an external thread is arranged outside the first connecting part 11, and then the first connecting part 11 and the second connecting part 12 are connected conveniently.

The second pipeline comprises a second pipe fitting 10, a pipeline B9, a third connecting portion 13, a fourth connecting portion 14, a fifth connecting portion 15 and a sixth connecting portion 16, one end of the second pipe fitting 10 is welded on the inner wall of the other through hole 17, the second pipe fitting 10, the pipeline B9, the third connecting portion 13, the fourth connecting portion 14, the fifth connecting portion 15 and the sixth connecting portion 16 are fixedly connected in sequence and communicated with each other inside, an internal thread can be tapped in one end of the sixth connecting portion 16 during production and manufacturing of the sixth connecting portion, an external thread is arranged on the outer portion of the fifth connecting portion 15, and therefore the fifth connecting portion 15 and the sixth connecting portion 16 can be conveniently connected.

One side that sealed tube sheet A2 keeps away from packing seat 1 is provided with bearing seal clamp plate 7, has all seted up the connecting hole on bearing seal clamp plate 7 and packing seat 1, and packing seat 1 is connected through the bolt with bearing seal clamp plate 7.

When the device is installed, the packing seat 1 and the perforated pipeline 3 are welded on the sealing tube plate B4, and then the tuyere of the sealing tube plate A2 is welded, so that the packing seat 1, the sealing tube plate A2, the perforated pipeline 3 and the sealing tube plate B4 form a whole. During assembly, the packing 6 is plugged between the packing seat 1 and the shaft, is tightly pressed by the shaft seal pressing plate 7 and is locked by the bolt, and the assembly can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a water-cooling packing shaft seal system, includes sealed tube sheet B (4), coaxial rigid coupling has foraminiferous pipeline (3), its characterized in that on sealed tube sheet B (4): form the passageway of a step form between foraminiferous pipeline (3) and sealed tube sheet B (4), and welded foundation base (1) in foraminiferous pipeline (3), foundation base (1) and sealed tube sheet B (4) welding together, and install packing (6) in foundation base (1), the welding has sealed tube sheet A (2) in one of the end of sealed tube sheet B (4) is kept away from in foraminiferous pipeline (3), there is the space in order to constitute the water storage chamber between foraminiferous pipeline (3) and foundation base (1).

2. The water-cooled packing shaft seal system of claim 1, wherein: through holes (17) are formed in the symmetrical positions of the pipelines with holes (3), a first pipeline is fixedly connected into one through hole (17), and a second pipeline is fixedly connected into the other through hole (17).

3. The water-cooled packing shaft seal system of claim 2, wherein: the first pipeline comprises a first pipe fitting (5), a pipeline A (8), a first connecting part (11) and a second connecting part (12), one end of the first pipe fitting (5) is welded on the inner wall of one of the through holes (17), and the first pipe fitting (5), the pipeline A (8), the first connecting part (11) and the second connecting part (12) are sequentially fixedly connected and communicated with each other.

4. The water-cooled packing shaft seal system of claim 2, wherein: the second pipeline comprises a second pipe fitting (10), a pipeline B (9), a third connecting portion (13), a fourth connecting portion (14), a fifth connecting portion (15) and a sixth connecting portion (16), one end of the second pipe fitting (10) is welded to the inner wall of the other through hole (17), and the second pipe fitting (10), the pipeline B (9), the third connecting portion (13), the fourth connecting portion (14), the fifth connecting portion (15) and the sixth connecting portion (16) are fixedly connected in sequence and are communicated with each other inside.

5. The water-cooled packing shaft seal system of claim 1, wherein: one side of the sealing tube plate A (2) far away from the packing base seat (1) is provided with a shaft seal pressing plate (7), and connecting holes are formed in the shaft seal pressing plate (7) and the packing base seat (1).