CN214367749U - Mechanical sealing device with air cooling heat dissipation sleeve - Google Patents
Mechanical sealing device with air cooling heat dissipation sleeve Download PDFInfo
- Publication number
- CN214367749U CN214367749U CN202120304012.9U CN202120304012U CN214367749U CN 214367749 U CN214367749 U CN 214367749U CN 202120304012 U CN202120304012 U CN 202120304012U CN 214367749 U CN214367749 U CN 214367749U
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- CN
- China
- Prior art keywords
- heat dissipation
- ring
- fan
- casing
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 title claims description 26
- 230000003068 static effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a mechanical seal device with forced air cooling heat dissipation cover relates to the mechanical seal field, including the casing and run through the axle that the casing set up, just be located in the casing the outside cover of axle has spring holder, rotating ring and quiet ring, just be located in the casing the outside cover of quiet ring has the heat dissipation cover, evenly open on the heat dissipation cover has the fan passageway, all be equipped with radiator fan in the fan passageway, the casing outside evenly is equipped with the power. The device reduces the heat dissipation cost of the mechanical seal and improves the heat dissipation efficiency.
Description
Technical Field
The utility model relates to a mechanical seal field, concretely relates to mechanical seal device with forced air cooling heat dissipation cover.
Background
The mechanical seal is a main shaft seal form of rotating equipment such as a centrifugal compressor, a centrifugal pump, a steam turbine and the like, and has excellent sealing performance. Along with the increasingly complex actual working condition, the requirement on the sealing pair is increased day by day, and along with the improvement of the relative speed of the movable ring and the stationary ring, the heat that its production is just bigger, and the heat that produces of friction between the terminal surface can not obtain fine heat dissipation, can produce the phenomenon of dry friction, makes the sealing material temperature too high finally and warp. The phenomenon of unevenness also can appear between the terminal surface to the high temperature, exacerbates sealing ring in some aspect's wearing and tearing, can cause the influence to let out leakage quantity, causes mechanical seal to lose efficacy. Therefore, when planning the construction scheme of the mechanical seal, the heat dissipation condition of the end face of the mechanical seal is considered.
The heat dissipation of the existing mechanical sealing device is generally carried out by adopting a liquid cooling method, namely, a closed ring, a closed groove or a closed channel is arranged on a static ring or a dynamic ring of the mechanical seal to form a cooling cavity, cooling liquid such as water, oil and the like is injected into the cooling cavity, and heat is taken away by the flowing of the cooling liquid in the cooling cavity, so that the heat dissipation and cooling effects are achieved. However, the liquid cooling heat dissipation has the disadvantages of high installation difficulty, difficulty in processing the structure of the cooling cavity on the static ring or the dynamic ring, high installation cost and the like. Compared with the prior art, the air cooling heat dissipation structure is simple, easy to maintain, high in adaptability to climate change, fast in starting and low in overall cost.
Therefore, a new solution is now needed.
Disclosure of Invention
In order to solve the problem, the utility model discloses a mechanical seal device with forced air cooling heat dissipation cover, the device reduce mechanical seal heat dissipation cost, improve the radiating efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a mechanical seal device with forced air cooling heat dissipation cover, includes the casing and runs through the axle that the casing set up, just be located in the casing the outside cover of axle has spring holder, rotating ring and quiet ring, just be located in the casing the outside cover of quiet ring has the heat dissipation cover, evenly open on the heat dissipation cover has the fan passageway, all be equipped with radiator fan in the fan passageway, the casing outside evenly is equipped with the power. The rotation of the shaft drives the rotating ring to rotate together, and the rotating ring can slide along the length direction of the shaft.
As an improvement of the utility model, the spring holder pass through screw fixed mounting in the axle is outside, still be equipped with the spring in the casing.
As an improvement of the present invention, the spring is disposed between the spring seat and the movable ring.
As an improvement of the present invention, the stationary ring is along a side end of the length direction of the shaft and the inner wall of the housing is fixedly connected with the other side end of the housing and the side end wall of the movable ring is tightly contacted with the inner wall of the housing.
As an improvement of the utility model, the quiet ring outside end with form the cooling chamber between the heat dissipation cover medial extremity, just correspond on the casing fan channel position has all opened air pipe.
As an improvement of the utility model, the fan passageway all with the cooling chamber is linked together, the equal length direction one end of air pipe with the fan passageway is linked together, the other end is linked together with external atmosphere.
As an improvement of the utility model, the stationary ring is provided with a sealing ring at the contact end face of the heat dissipation sleeve.
As an improvement of the utility model, the power with divide equally between the radiator fan and do not link the setting even. A wire channel is arranged on the shell and between the power supply and the fan channel, and a wire penetrates through the wire channel.
Compared with the prior art, the utility model has the advantages of as follows: through at quiet ring outside installation heat dissipation cover, form the cooling chamber between quiet ring and the heat dissipation cover, set up the fan passageway in the heat dissipation cover, be equipped with radiator fan in the fan passageway, rotate through the power drive radiator fan who sets up on the casing, guaranteed the mobility of the air of cooling intracavity like this, can take away the heat that sealed face department produced, improved sealed reliability.
Drawings
Fig. 1 is a schematic view of the overall structure of a mechanical sealing device with an air-cooled heat dissipation sleeve according to the present invention;
list of reference numerals: 1. a housing; 2. a shaft; 3. a spring seat; 4. a moving ring; 5. a stationary ring; 6. a heat dissipation sleeve; 7. a fan channel; 8. a heat radiation fan; 9. a power source; 10. a screw; 11. a spring; 12. a cooling chamber; 13. a ventilation duct.
Detailed Description
Example 1: referring to fig. 1, it is right now that the utility model provides a pair of mechanical seal device with forced air cooling heat dissipation cover explains, including casing 1 and the axle 2 that runs through casing 1 setting, just be located in casing 1 the outside cover of axle 2 has spring holder 3, rotating ring 4 and quiet ring 5, just be located in casing 1 the outside cover of quiet ring 5 has heat dissipation cover 6, evenly open fan passageway 7 on the heat dissipation cover 6, all be equipped with radiator fan 8 in the fan passageway 7, casing 1 outside evenly is equipped with power 9.
Example 2: referring to fig. 1, the mechanical sealing device with the air-cooled heat dissipation sleeve provided by the present invention is now described, the spring seat 3 is fixedly mounted outside the shaft 2 through a screw 10, and a spring 11 is further disposed in the housing 1.
Example 3: referring to fig. 1, the mechanical sealing device with the air-cooled heat dissipation sleeve provided by the present invention is now described, wherein the spring 11 is disposed between the spring seat 3 and the movable ring 4.
Example 4: referring to fig. 1, the mechanical sealing device with the air-cooled heat dissipation sleeve provided by the present invention is now described, the stationary ring 5 is tightly contacted with the end wall fixed connection in the casing 1 and the other end wall of the movable ring 4 along one end of the length direction of the shaft 2.
Example 5: referring to fig. 1, it is now described that the present invention provides a mechanical sealing device with an air-cooled heat dissipation sleeve, the outer end of the stationary ring 5 and the inner end of the heat dissipation sleeve 6 form a cooling cavity 12 therebetween, and the housing 1 is provided with a ventilation duct 13 at the position of the fan channel 7.
Example 6: referring to fig. 1, it is now described that the present invention provides a mechanical sealing device with an air-cooled heat dissipation sleeve, the fan channel 7 is communicated with the cooling cavity 12, one end of the ventilation duct 13 is communicated with the fan channel 7, and the other end is communicated with the external atmosphere.
Example 7: referring to fig. 1, the mechanical sealing device with the air-cooled heat dissipation sleeve provided by the present invention is now described, wherein the stationary ring 5 and the heat dissipation sleeve 6 are provided with a sealing ring at the contact end face.
Example 8: referring to fig. 1, the mechanical sealing device with the air-cooled heat dissipation sleeve provided by the present invention is now described, the power source 9 and the heat dissipation fan 8 are equally divided into two parts, i.e. the two parts are electrically connected.
The present invention can also combine at least one of the technical features of embodiments 2, 3, 4, 5, 6, 7, 8 with embodiment 1 to form a new implementation.
The working principle is as follows: when the mechanical sealing device is in a working state, the power supply arranged outside the shell is started, the power supply drives the cooling fan to operate, the operation of the cooling fan can accelerate the flow of air in the cooling cavity, heat generated by friction between the movable ring and the static ring is discharged to the outside through the ventilation pipeline, and the air pressure balance between the device and the outside atmosphere is maintained. And a sealing ring is arranged at the contact end face of the static ring and the heat dissipation sleeve to prevent liquid in the device from leaking into the cooling cavity.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. 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 are also considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a mechanical seal device with forced air cooling heat dissipation cover, includes casing (1) and runs through axle (2) that casing (1) set up, its characterized in that, just be located in casing (1) axle (2) outside cover has spring holder (3), rotating ring (4) and quiet ring (5), just be located in casing (1) quiet ring (5) outside cover has heat dissipation cover (6), evenly open on heat dissipation cover (6) has fan passageway (7), all be equipped with radiator fan (8) in fan passageway (7), casing (1) outside evenly is equipped with power (9).
2. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 1, wherein: the spring seat (3) is fixedly arranged outside the shaft (2) through a screw (10), and a spring (11) is further arranged in the shell (1).
3. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 2, wherein: the spring (11) is arranged between the spring seat (3) and the movable ring (4).
4. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 1, wherein: one side end of the static ring (5) along the length direction of the shaft (2) is fixedly connected with the inner end wall of the shell (1), and the other side end of the static ring is in close contact with the side end wall of the movable ring (4).
5. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 1, wherein: the cooling device is characterized in that a cooling cavity (12) is formed between the outer side end of the static ring (5) and the inner side end of the heat dissipation sleeve (6), and ventilation pipelines (13) are arranged on the shell (1) and correspond to the positions of the fan channels (7).
6. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 5, wherein: the fan channel (7) is communicated with the cooling cavity (12), one end of the ventilation pipeline (13) in the length direction is communicated with the fan channel (7), and the other end of the ventilation pipeline is communicated with the outside atmosphere.
7. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 1, wherein: and a sealing ring is arranged at the contact end face of the static ring (5) and the heat dissipation sleeve (6).
8. The mechanical sealing device with the air-cooled heat dissipation sleeve as recited in claim 1, wherein: the power supply (9) and the heat dissipation fan (8) are electrically connected with each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120304012.9U CN214367749U (en) | 2021-02-03 | 2021-02-03 | Mechanical sealing device with air cooling heat dissipation sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120304012.9U CN214367749U (en) | 2021-02-03 | 2021-02-03 | Mechanical sealing device with air cooling heat dissipation sleeve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214367749U true CN214367749U (en) | 2021-10-08 |
Family
ID=77963562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120304012.9U Expired - Fee Related CN214367749U (en) | 2021-02-03 | 2021-02-03 | Mechanical sealing device with air cooling heat dissipation sleeve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214367749U (en) |
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2021
- 2021-02-03 CN CN202120304012.9U patent/CN214367749U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
|
CF01 | Termination of patent right due to non-payment of annual fee |