CN202023927U - Special mechanical seal structure for polymeric kettle - Google Patents
Special mechanical seal structure for polymeric kettle Download PDFInfo
- Publication number
- CN202023927U CN202023927U CN201120132464XU CN201120132464U CN202023927U CN 202023927 U CN202023927 U CN 202023927U CN 201120132464X U CN201120132464X U CN 201120132464XU CN 201120132464 U CN201120132464 U CN 201120132464U CN 202023927 U CN202023927 U CN 202023927U
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- CN
- China
- Prior art keywords
- bearing
- polymeric kettle
- seal
- mechanical seal
- axle sleeve
- 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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- Accessories For Mixers (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model relates to a special mechanical seal structure for a polymeric kettle, which comprises a shaft sleeve sleeved on a mixer shaft, wherein a seal box body is arranged outside the shaft sleeve; a bearing seat for mounting a bearing is arranged above the seal box body; upper and lower stator rings sleeved outside the shaft sleeve are arranged in the seal box body; a rotating ring is arranged between the upper and the lower stator rings; a stator ring gland for preventing the stator ring from sliding is arranged on the upper stator ring; the inner hole of the shaft sleeve adopts an insert key and is connected with the mixer shaft through a flat key; the bearing in the bearing seat adopts a conical roller bearing; the conical roller bearing is locked with a stop washer through a round nut; and an oil receiving sleeve is arranged at the lower part of the seal box body. The special mechanical seal structure is a double-end surface small-spring integrated structure, adopts the conical roller bearing, is convenient to mount and maintain by integrating the mixer shaft and the mechanical seal, and is particularly suitable for sealing the large polymeric kettle on the stainless steel mixer shaft.
Description
Technical field
The utility model relates to a kind of polymeric kettle special-purpose machinery sealing configuration.
Background technique
Polymerisation is that vinyl monomer carries out under the environment of high temperature, high pressure, cleaning substantially, so must be able to reach in high temperature, high pressure, dead-tight requirement the requirement of mechanical seal.The axle sleeve of old polymeric kettle mechanical seal directly adopts bolt to withstand on the stirring shaft, deep groove ball bearing is directly adopted in sealing, connect with key, can make axle sleeve axial displacement, and round nut of no use and retaining pad locking on the stirring shaft, but adopt bolt directly to withstand on the stirring shaft, can make the stirring shaft surface failure, and exist the phenomenon that bolt can be can't hold out against.The mechanical seal of old product wants elder generation that stirring shaft is loaded onto, and refills mechanical seal, and is relatively complicated, and installing very difficult sealing, i.e. when mechanical seal is connected with stirring shaft, because installation is improper, will cause seal failure.In addition, old mechanical seal exists the big shortcoming of the stirring shaft amount of radially wobbling, and can cause the lost of life of mechanical seal like this.
Summary of the invention
The purpose of this utility model is to provide a kind of good sealing effect, polymeric kettle special-purpose machinery sealing configuration easy for installation at the defective of existing polymeric kettle mechanical seal.
The technical solution of the utility model is as follows: polymeric kettle special-purpose machinery sealing configuration comprises the axle sleeve that is enclosed within on the stirring shaft, axle sleeve is provided with seal case outward, the seal case top is provided with the bearing support that is used to adorn bearing, be provided with in the seal case and be enclosed within the outer upper and lower stationary ring of axle sleeve, be provided with rotating ring between the upper and lower stationary ring, last stationary ring is provided with seal end plate and prevents that stationary ring from sliding, wherein, the axle sleeve endoporus adopts inserts key, is connected with stirring shaft by flat key.
Aforesaid polymeric kettle special-purpose machinery sealing configuration, wherein, the bearing in the bearing support adopts tapered roller bearing, and tapered roller bearing is by round nut and retaining pad locking.
Aforesaid polymeric kettle special-purpose machinery sealing configuration wherein, is provided with in the seal case bottom and connects oil jacket.
The utility model adopts tapered roller bearing, can change spacer ring thickness and can adjust footpath, thrust load, and tapered roller bearing is added and also used the locking of round nut and retaining pad on the axle with round nut and retaining pad locking, makes axle sleeve can not produce axial displacement; This mechanical seal is easy for installation, and the user only need be installed to a whole set of mechanical seal on the still mouth flange, directly be fixed by bolts to again on the still mouth flange to get final product, even stirring shaft exists certain swing, to the influence in mechanical seal life-span also with not too large.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1. stirring shaft 2. connects oil jacket O shape circle 3. and connects oil jacket 4. seal case O shapes and enclose pallet 17. seal cases under 5. stationary rings, 6. sealing case lids, 7. bearing supports, 8. outside framework oil seals, 9. tapered roller bearings, 10. round nuts, 11. bearing glands, 12. axle sleeves, 13. seal end plates, 14. spring seats, 15. rotating rings, 16. seal cases
Embodiment
As shown in the figure, the sealing of polymeric kettle special-purpose machinery comprises the axle sleeve 12 that is enclosed within on the stirring shaft 1, and axle sleeve 12 endoporus adopt inserts key, is connected with stirring shaft 1 by flat key.Be provided with seal case 17 outside the axle sleeve 12, sealing case lid 6 tops on seal case 17 tops are provided with the bearing support 7 that is used to adorn bearing, and the bearings in the bearing support 7 adopt tapered roller bearing 9, and tapered roller bearing 9 is by round nut 10 and retaining pad locking.Be provided with the outside framework oil seal 8 of oil sealing effect between sealing case lid 6 and the axle sleeve 12.Be provided with the upper and lower stationary ring that is enclosed within outside the axle sleeve 12 in the seal case 17, be provided with rotating ring 15 between the upper and lower stationary ring, rotating ring 15 is provided with the spring seat 14 that is used for mounting spring, by spring pressure adjustment.Last stationary ring is provided with seal end plate 13, and pallet 16 is pushed down down stationary ring under the seal case, prevents that stationary ring from sliding.
Be provided with in seal case 17 bottoms and connect oil jacket 3, connect oil jacket O shape circle 2 and seal with still mouth flange, seal case O shape circle 4 with connect oil jacket 3 sealings, connect oil jacket 3 and guaranteed when mechanical seal leakage, can directly not be bled in the still.
The utility model is a Double End little spring unit loading type structure, adopts tapered roller bearing, and stirring shaft and mechanical seal are connected as a single entity and make installation and maintenance convenient, is specially adapted to the large-scale polymeric kettle sealing on the stainless steel stirring shaft.
Claims (3)
1. polymeric kettle special-purpose machinery sealing configuration, comprise the axle sleeve (12) that is enclosed within on the stirring shaft (1), the outer seal case (17) that is provided with of axle sleeve (12), seal case (17) top is provided with the bearing support (7) that is used to adorn bearing, be provided with in the seal case (17) and be enclosed within the outer upper and lower stationary ring of axle sleeve (12), be provided with rotating ring (15) between the upper and lower stationary ring, last stationary ring is provided with seal end plate (13) and prevents that stationary ring from sliding, it is characterized in that: axle sleeve (12) endoporus adopts inserts key, is connected with stirring shaft (1) by flat key.
2. polymeric kettle special-purpose machinery sealing configuration as claimed in claim 1 is characterized in that: the bearing in the bearing support (7) adopts tapered roller bearing (9), and tapered roller bearing (9) is by round nut (10) and retaining pad locking.
3. polymeric kettle special-purpose machinery sealing configuration as claimed in claim 1 or 2 is characterized in that: be provided with in seal case (17) bottom and connect oil jacket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120132464XU CN202023927U (en) | 2011-04-22 | 2011-04-22 | Special mechanical seal structure for polymeric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120132464XU CN202023927U (en) | 2011-04-22 | 2011-04-22 | Special mechanical seal structure for polymeric kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023927U true CN202023927U (en) | 2011-11-02 |
Family
ID=44848877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120132464XU Expired - Fee Related CN202023927U (en) | 2011-04-22 | 2011-04-22 | Special mechanical seal structure for polymeric kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537369A (en) * | 2012-01-01 | 2012-07-04 | 浙江兰天机械密封件有限公司 | Mechanical seal device for stirrer with vertically reciprocating stirring shaft |
| CN103994226A (en) * | 2013-08-19 | 2014-08-20 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN114017506A (en) * | 2021-12-08 | 2022-02-08 | 西安壹波流体科技有限责任公司 | Leakage-free sealing device for ABS polymerization kettle |
-
2011
- 2011-04-22 CN CN201120132464XU patent/CN202023927U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537369A (en) * | 2012-01-01 | 2012-07-04 | 浙江兰天机械密封件有限公司 | Mechanical seal device for stirrer with vertically reciprocating stirring shaft |
| CN102537369B (en) * | 2012-01-01 | 2015-01-21 | 浙江兰天机械密封件有限公司 | Mechanical seal device for stirrer with vertically reciprocating stirring shaft |
| CN103994226A (en) * | 2013-08-19 | 2014-08-20 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN103994226B (en) * | 2013-08-19 | 2015-04-01 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN114017506A (en) * | 2021-12-08 | 2022-02-08 | 西安壹波流体科技有限责任公司 | Leakage-free sealing device for ABS polymerization kettle |
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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: 20111102 Termination date: 20120422 |