CN202056088U - Mechanical sealing device for colloid pump - Google Patents
Mechanical sealing device for colloid pump Download PDFInfo
- Publication number
- CN202056088U CN202056088U CN2011201536643U CN201120153664U CN202056088U CN 202056088 U CN202056088 U CN 202056088U CN 2011201536643 U CN2011201536643 U CN 2011201536643U CN 201120153664 U CN201120153664 U CN 201120153664U CN 202056088 U CN202056088 U CN 202056088U
- Authority
- CN
- China
- Prior art keywords
- end cover
- ring
- stationary ring
- axle sleeve
- cooling water
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Mechanical Sealing (AREA)
Abstract
The utility model provides a mechanical sealing device for a colloid pump, which is difficult to block and long in service life and comprises a shaft sleeve, a sealing end cover, an inner moving ring and an outer moving ring, wherein the inner moving ring and the outer moving ring are fixed to two ends of the shaft sleeve. An inner static ring and an outer static ring are fixed to two ends of the sealing end cover, and a cooling water inlet and a cooling water outlet are arranged on the sealing end cover. The cooling water inlet is communicated with the inner static ring and the inner moving ring, and the cooling water outlet is communicated with the outer static ring and the outer moving ring. Two sealing assemblies are arranged on two sides of the shaft sleeve and the sealing end cover, when one sealing assembly is damaged, the other sealing assembly is used for compensating, thereby guaranteeing long-term effective normal operation of the colloid pump. A flow guide sleeve can guarantee normal circulation of cooling water, avoids dry friction, and ensures that the moving rings and the static rings are in a good sealing state all the time.
Description
Technical field
The utility model relates to a kind of seal arrangement, especially a kind of colloid mechanical seal for pump device.
Background technique
Existing catalyst plant colloid pump, especially there is big, the easily crystallization and produce phenomenon such as find time in the short time easily of concentration of medium height, viscosity in P834/3 secondary colloid pump, cause the obstruction of mechanical seal spring, aging, the inefficacy of sealing surface, former use machine envelope all can not satisfy the manufacturing operation requirement from structure, type selecting, have only 10～30 days working life, seriously reduced manufacturing efficiency and improved maintenance cost.
The model utility content
The utility model provides a kind of difficult obstruction, the colloid mechanical seal for pump device of longer service life.
Realize the colloid mechanical seal for pump device of the utility model purpose, comprise axle sleeve, end cover, also comprise the interior rotating ring and the outer rotating ring that are fixed on described axle sleeve two ends, be fixed on the interior stationary ring and the outer stationary ring at described end cover two ends, described end cover is provided with cooling water inlet and coolant outlet, described cooling water inlet communicates with interior stationary ring and interior rotating ring, and described coolant outlet communicates with outer stationary ring and outer rotating ring.
The end cover inboard at place, described cooling water inlet is provided with the water conservancy diversion cover, rotating ring place in cooling water is guided to.
Be provided with inner spring between described end cover and the interior stationary ring, be provided with outer spring between described end cover and the outer stationary ring, rotating ring and interior stationary ring, outer rotating ring and outer stationary ring were sealed and matched it in described inside and outside spring was used to compress.
Also be provided with throw-out collar between described end cover and the interior stationary ring, described throw-out collar two ends are respectively equipped with boss, and on the stationary ring, another boss inserted in the spacing hole of described end cover in a boss was fixed on.
Described axle sleeve bottom is provided with the multiple thread cover, with Seal cage inwall Spielpassung.
Described axle sleeve one end stretches out described end cover, stretches out an end and is fixed with drive sleeve, and described drive sleeve can drive outer rotating ring and axle sleeve rotates synchronously.
Described drive sleeve is provided with limiting stopper, is used to prevent about inside and outside rotating ring and the inside and outside stationary ring, move left and right.
Between described axle sleeve and the rotating shaft; Between described axle sleeve and the inside and outside rotating ring; Between described end cover and the inside and outside stationary ring; Be equipped with seal ring between described end cover and the capsule walls.
The beneficial effects of the utility model are: the two seals assembly that the both sides of (1) axle sleeve and end cover are provided with when being damaged together, can be compensated by another first black box, thereby guarantee the permanently effective normal operation of P834/3 secondary colloid pump.(2) the water conservancy diversion cover can guarantee the cooling water normal circulation, prevents dry friction, guarantees that dynamic and static ring is in good sealing state all the time.(3) the multiple thread cover of axle sleeve bottom can reduce the medium solid content and the seal face specific pressure in the inner seal assembly outside with the formed dynamic seal of end cover.
Description of drawings
Fig. 1 is the utility model colloid mechanical seal for pump device sectional drawing.
Fig. 2 is another sectional drawing of the utility model colloid mechanical seal for pump device.
Embodiment
Embodiment of the present utility model is as follows:
As shown in Figure 1, 2, colloid mechanical seal for pump device of the present utility model, comprise axle sleeve 2, end cover 20, be fixed on the interior rotating ring 5 and the outer rotating ring 16 at described axle sleeve 2 two ends, be fixed on the interior stationary ring 6 and the outer stationary ring 11 at described end cover 20 two ends, described end cover 20 is provided with cooling water inlet 21 and coolant outlet 22, and described cooling water inlet 21 communicates with interior stationary ring 6 and interior rotating ring 5, and described coolant outlet 22 communicates with outer stationary ring 11 and outer rotating ring 16.End cover 20 inboards at 21 places, described cooling water inlet are provided with water conservancy diversion cover 19, rotating ring 5 places in cooling water is guided to.Be provided with inner spring 10 between described end cover 20 and the interior stationary ring 6, be provided with outer spring 14 between described end cover 20 and the outer stationary ring 11, rotating ring 5 and interior stationary ring 6, outer rotating ring 16 and outer stationary ring 11 were sealed and matched it in described inner spring 10 and outer spring 14 were used to compress.Also be provided with throw-out collar 9 between described end cover 20 and the interior stationary ring 6, described throw-out collar 9 two ends are respectively equipped with boss, and on the stationary ring 6, another boss inserted in the spacing hole of described end cover 20 in a boss was fixed on.Described axle sleeve 2 bottoms are provided with multiple thread cover 3, with Seal cage inwall Spielpassung.Described axle sleeve 2 one ends stretch out described end cover 20, stretch out an end and are fixed with drive sleeve 18, and described drive sleeve 18 can drive outer rotating ring 16 and rotate synchronously with axle sleeve 2.Described drive sleeve 18 is provided with limiting stopper 12, rotating ring 5, outer rotating ring 16 and interior stationary ring 6, outer stationary ring about in the of 11, move left and right in being used to prevent.Between described axle sleeve 2 and the rotating shaft; Between described axle sleeve 2 and interior rotating ring 5, the outer rotating ring 16; Between described end cover 20 and interior stationary ring 6, the outer stationary ring 11; Be equipped with seal ring between described end cover 20 and the capsule walls.
Be provided with axle sleeve O shape circle 1 between axle sleeve 2 and the rotating shaft, axle sleeve 2 is provided with the multiple thread cover 3 integrally manufactured with axle sleeve 2, and multiple thread cover 3 and Seal cage inwall Spielpassung form one group of dynamic seal.
Outer rotating ring 16 and drive sleeve 18 are established in axle sleeve 2 outsides, and drive sleeve 18 is fixed on the axle sleeve 2 by socket head screw 13, and the bottom is provided with the transmission pin, the outer rotating ring 16 of transmission when being used to rotate.Be provided with outer rotating ring O shape circle 17 between outer rotating ring 16 and the axle sleeve 2.End cap 20 outsides are provided with outer stationary ring 11, are provided with outer stationary ring O shape circle 15 between the two, axle sleeve 2, outer rotating ring O shape circle 17, end cover 20, outer stationary ring O circle 15, outer stationary ring 11, outer rotating ring 16, outer spring 14 just constituted one group independent sealed.
The advantage of colloid mechanical seal for pump device of the present utility model is as follows:
1, the error that produces because of installing is eliminated in unit loading type design.
2, axle sleeve 2 bottom strap screw cover 3, cooperate with Seal cage to form dynamic seal.
3, state type, spring are external, avoid spring to stop up.
4, be provided with two groups of independently sealed ends.
5, built-in water conservancy diversion cover 19, more effectively take away fricative heat.
6, in the whole sealing device recirculated cooling water is arranged.
Embodiment recited above is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineers and technicians in related domain make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (8)
1. colloid mechanical seal for pump device, comprise axle sleeve, end cover, it is characterized in that: also comprise the interior rotating ring and the outer rotating ring that are fixed on described axle sleeve two ends, be fixed on the interior stationary ring and the outer stationary ring at described end cover two ends, described end cover is provided with cooling water inlet and coolant outlet, described cooling water inlet communicates with interior stationary ring and interior rotating ring, and described coolant outlet communicates with outer stationary ring and outer rotating ring.
2. colloid mechanical seal for pump device according to claim 1 is characterized in that: the end cover inboard at place, described cooling water inlet is provided with the water conservancy diversion cover, rotating ring place in cooling water is guided to.
3. colloid mechanical seal for pump device according to claim 1 is characterized in that: be provided with inner spring between described end cover and the interior stationary ring, be provided with outer spring between described end cover and the outer stationary ring.
4. colloid mechanical seal for pump device according to claim 1, it is characterized in that: also be provided with throw-out collar between described end cover and the interior stationary ring, described throw-out collar two ends are respectively equipped with boss, and on the stationary ring, another boss inserted in the spacing hole of described end cover in a boss was fixed on.
5. colloid mechanical seal for pump device according to claim 1 is characterized in that: between described axle sleeve and the rotating shaft; Between described axle sleeve and the inside and outside rotating ring; Between described end cover and the inside and outside stationary ring; Be equipped with seal ring between described end cover and the capsule walls.
6. colloid mechanical seal for pump device according to claim 1 is characterized in that: described axle sleeve one end stretches out described end cover, stretches out an end and is fixed with drive sleeve, and described drive sleeve can drive outer rotating ring and axle sleeve rotates synchronously.
7. colloid mechanical seal for pump device according to claim 6, it is characterized in that: described drive sleeve is provided with limiting stopper, is used to prevent about inside and outside rotating ring and the inside and outside stationary ring, move left and right.
8. according to the arbitrary described colloid mechanical seal for pump device of claim 1～7, it is characterized in that: described axle sleeve bottom is provided with the multiple thread cover, with Seal cage inwall Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201536643U CN202056088U (en) | 2011-05-16 | 2011-05-16 | Mechanical sealing device for colloid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201536643U CN202056088U (en) | 2011-05-16 | 2011-05-16 | Mechanical sealing device for colloid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202056088U true CN202056088U (en) | 2011-11-30 |
Family
ID=45016059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201536643U Expired - Fee Related CN202056088U (en) | 2011-05-16 | 2011-05-16 | Mechanical sealing device for colloid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202056088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253142A (en) * | 2016-12-29 | 2018-07-06 | 上海轻工业研究所有限公司 | The mechanically-sealing apparatus and its cooling structure of homogenizer and coolant self-cycle structure |
| CN112963542A (en) * | 2021-02-01 | 2021-06-15 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
-
2011
- 2011-05-16 CN CN2011201536643U patent/CN202056088U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253142A (en) * | 2016-12-29 | 2018-07-06 | 上海轻工业研究所有限公司 | The mechanically-sealing apparatus and its cooling structure of homogenizer and coolant self-cycle structure |
| CN108253142B (en) * | 2016-12-29 | 2024-06-07 | 上海轻工业研究所有限公司 | Mechanical sealing device of homogenizer and cooling structure and cooling liquid self-circulation structure thereof |
| CN112963542A (en) * | 2021-02-01 | 2021-06-15 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
| CN112963542B (en) * | 2021-02-01 | 2021-11-26 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20130516 |