CN201420856Y - Sealing device for high-temperature and high-pressure resistant vessel - Google Patents
Sealing device for high-temperature and high-pressure resistant vessel Download PDFInfo
- Publication number
- CN201420856Y CN201420856Y CN2009200894352U CN200920089435U CN201420856Y CN 201420856 Y CN201420856 Y CN 201420856Y CN 2009200894352 U CN2009200894352 U CN 2009200894352U CN 200920089435 U CN200920089435 U CN 200920089435U CN 201420856 Y CN201420856 Y CN 201420856Y
- Authority
- CN
- China
- Prior art keywords
- seal
- bearing
- bearing housing
- stirring shaft
- high temperature
- 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
Images
Abstract
The utility model discloses a sealing device for a high-temperature and high-pressure resistant vessel, which comprises a sealing box body on the periphery of an agitating shaft. A removable bearing is arranged between the sealing box body and the agitating shaft and divides the inside of the sealing box body into an upper sealing cavity and a lower sealing cavity; an annular groove is formed on the outer wall of the bearing box body above the sealing box body; and a barrel-shaped sealing sleeve with a cooling liquid inlet and a cooling liquid outlet is sleeved on the outer wall of the bearingbox body corresponding to the annular groove. The annular groove is formed on the outer wall of the bearing box body as a cooling flow channel; the flowing cooling liquid in the groove is used for cooling the bearing box body and the inside of the bearing box body, so that the sealing device can adapt to the working condition with the working pressure within 40 to 60MPa and the temperature within450 to 600 DEG C; and meanwhile, because the agitating shaft is made of Monel 400, the sealing device has strong corrosion resistance and sealing adaptability.
Description
Technical field
The utility model belongs to the reactor technical field of sealing technology, particularly a kind of high temperature high voltage resistant still seal arrangement.
Background technique
Mechanical seal is the desirable seal form that solves rotation axis seal.It is by at least one pair of end face perpendicular to spin axis, under the elastic force effect of hydrodynamic pressure and compensation mechanism and under the cooperation of auxiliary seal, keep to fit and slide relative and constitute the device that prevents that fluid from revealing.Along with the progress of science and technology, the development of society, chemical industry has also obtained development faster in recent years, the chemical project that to have emerged a lot of hydrogen fluoride be medium, because hydrogen fluoride corrosivity under High Temperature High Pressure is extremely strong, common seal arrangement can't play seal action at all, can not satisfy the reaction region of reactor, seriously restrict the process of project.
The model utility content
The purpose of this utility model is at above-mentioned deficiency, provides a kind of corrosion-resistant and be applicable to the still seal arrangement of high-temperature and high-pressure conditions.
For achieving the above object, the technical solution of the utility model is: a kind of high temperature high voltage resistant still seal arrangement, the seal case that comprises the stirring shaft periphery is provided with the disengaging bearing between seal case and the stirring shaft, the disengaging bearing is divided into Seal cage and lower seal chamber with seal case inside; Be fixed with impeller and last rotating ring from bottom to top on the inherent stirring shaft of last Seal cage, the last stationary ring that is fixed in the Seal cage top closely contacts with last rotating ring top, and the last Seal cage place of seal case is provided with sealing fluid upper inlet and sealing fluid upper outlet; Be fixed with impeller and following rotating ring down in the lower seal chamber on stirring shaft from top to bottom, the following stationary ring that is fixed in bottom, lower seal chamber closely contacts with following rotating ring bottom, and the place, lower seal chamber of seal case is provided with sealing fluid lower inlet and sealing fluid outlet down; The seal case roof anchorage is provided with bearing housing, be provided with thrust-bearing between bearing housing and the stirring shaft, the thrust-bearing top is provided with bearing (ball) cover, the bearing housing outer wall is provided with at least one annular groove, the sheathed tubular stuffing box gland that has cooling liquid inlet and cooling liquid outlet of corresponding annular groove on the bearing housing outer wall.
On described bearing housing outer wall, be laid with five road annular grooves.
Below being positioned at thrust-bearing between described bearing housing and the stirring shaft, be provided with deep groove ball bearing.
Sheathed axle sleeve on the stirring shaft of described bearing housing correspondence, axle sleeve is fixed by the nut and the locked spacer at top, and thrust-bearing, deep groove ball bearing and bearing (ball) cover are located at the axle sleeve outside.
The inside top and the bottom of described bearing housing are respectively equipped with outside framework oil seal.
Be provided with cooling water tank between described seal case bottom and the still mouth, the water tank chamber is arranged in the cooling water tank, corresponding water tank chamber is provided with cooling water intake and coolant outlet.
Be provided with cavity between the bearing housing on described upward stationary ring top and the stirring shaft, this cavity is by outer leakage outlet and external communications on the bearing housing.
Described inclination angle of going up impeller is 30 °～45 °, 30 °～45 ° at the inclination angle of following impeller.
The utility model is offered annular groove as coolant flow channel on the outer wall of bearing housing, the cooling liquid that flows in the groove is cooled off bearing housing and inside, make seal arrangement can adapt to working pressure 40-60Mpa, temperature 450-600 ℃ operating conditions, stirring shaft adopts Monel 400 materials simultaneously, the seal arrangement decay resistance is strengthened, and seal compatibility is strong.Thrust-bearing and deep groove ball bearing are located on the stirring shaft by axle sleeve, have effectively controlled the axial float and the circular runout of seal arrangement, prolong the working life of sealing.Cooling water tank is controlled in the allowed band heat that transmission is come out in the still, guarantees the service condition of seal arrangement, increases the service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Embodiment: high temperature high voltage resistant still seal arrangement as shown in Figure 1, it comprises stirring shaft 1 and peripheral seal case 2 thereof, between seal case 2 and stirring shaft 1, be provided with disengaging bearing 10, be convenient to remove and install, disengaging bearing 10 is divided into Seal cage 25 and lower seal chamber 26 with seal case 2 inside.In last Seal cage 25, be fixed with impeller 12 and last rotating ring 13 from bottom to top along stirring shaft 1, the last stationary ring 14 that is fixed in Seal cage 25 tops closely contacts with the top of last rotating ring 13, last Seal cage 25 places of seal case 2 are provided with sealing fluid upper inlet 18 and sealing fluid upper outlet 11, and the sealing fluid that is used for circulating is to take away the inner heat that produces; In lower seal chamber 26, be fixed with impeller 8 and following rotating ring 7 down from top to bottom along stirring shaft 1, the following stationary ring 4 that is fixed in 26 bottoms, lower seal chamber closely contacts with the bottom of following rotating ring 7,26 places, lower seal chamber of seal case 2 are provided with sealing fluid lower inlet 22 and sealing fluid outlet 9 down, and the sealing fluid that is used for circulating is to take away the inner heat that produces.Seal case 2 tops are set with bearing housing 17 by tight fixed bolt 34, bearing housing 17 inside are arranged with axle sleeve 29 on stirring shaft 1, axle sleeve 29 is fixing by the nut 30 and the locked spacer 31 at top, between bearing housing 17 and axle sleeve 29, be provided with thrust-bearing 16, thrust-bearing 16 bottoms are provided with deep groove ball bearing 28, thrust-bearing 16 tops are provided with bearing (ball) cover 20, and bearing (ball) cover 20 is fixing by bolt 33.The inside top of bearing housing 17 is respectively equipped with the outside framework oil seal 32 that contacts with axle sleeve 29 with the bottom.On the outer wall of bearing housing 17, be provided with five road annular grooves 21, corresponding annular groove 21 suit tubular stuffing box glands 27 on bearing housing 17 outer walls, stuffing box gland 27 is provided with cooling liquid inlet 23 and cooling liquid outlet 24, the cooling medium that flowing in the annular groove 21, the heat that thrust-bearing 16, deep groove ball bearing 28 and axle sleeve 27 produce brings to the external world by cooling liquid.The inclination angle of last impeller 12 is 30 °～45 °, 30 °～45 ° at the inclination angle of following impeller 8, last impeller 12 and following impeller 8 are rotated with stirring shaft 1 and are not stopped to stir sealing fluid, make heat be passed to the external world by sealing fluid in time, reduce the operating temperature of seal arrangement, optimize working environment.Be provided with cavity between the bearing housing 17 on last stationary ring 14 tops and the stirring shaft 1, this cavity is by outer leakage outlet 15 and external communications on the bearing housing 17, and the sealing fluid that leaks from last Seal cage 25 can drain into the external world from outer leakage outlet 15.Be provided with cooling water tank 3 between the bottom of seal case 2 and the still mouth, cooling water tank 3 is connected by tight fixed bolt 35 with seal case 2, water tank chamber 5 is arranged in the cooling water tank 3, corresponding water tank chamber 5 is provided with cooling water intake 6 and coolant outlet 19, the continuous circulation of cooling water can constantly absorb from the heat in the still, and seal ring is operated in the temperature range of permission.
Stirring shaft 1 adopts Monel 400 materials, and corrosion resistance is strong, and can work under 450-600 ℃ high temperature.Last rotating ring 13, go up stationary ring 14, down rotating ring 7 and down stationary ring 4 be equipped with O type circle seal ring with the miscellaneous part contacting point, be provided with O type circle seal ring between seal case 2 and bearing housing 17 and the cooling water tank 3, good sealing effect, high pressure resistant, but permissible working pressure is 40-60Mpa, and axle sleeve 29 and O type circle seal ring are fluorine rubber, and be corrosion-resistant, high temperature resistant, long service life.
Claims (8)
1, a kind of high temperature high voltage resistant still seal arrangement comprises the seal case of stirring shaft periphery being provided with the disengaging bearing between seal case and the stirring shaft that the disengaging bearing is divided into Seal cage and lower seal chamber with seal case inside; Be fixed with impeller and last rotating ring from bottom to top on the inherent stirring shaft of last Seal cage, the last stationary ring that is fixed in the Seal cage top closely contacts with last rotating ring top, and the last Seal cage place of seal case is provided with sealing fluid upper inlet and sealing fluid upper outlet; Be fixed with impeller and following rotating ring down in the lower seal chamber on stirring shaft from top to bottom, the following stationary ring that is fixed in bottom, lower seal chamber closely contacts with following rotating ring bottom, and the place, lower seal chamber of seal case is provided with sealing fluid lower inlet and sealing fluid outlet down; The seal case roof anchorage is provided with bearing housing, be provided with thrust-bearing between bearing housing and the stirring shaft, the thrust-bearing top is provided with bearing (ball) cover, it is characterized in that: the bearing housing outer wall is provided with at least one annular groove, the sheathed tubular stuffing box gland that has cooling liquid inlet and cooling liquid outlet of corresponding annular groove on the bearing housing outer wall.
2, high temperature high voltage resistant still seal arrangement as claimed in claim 1 is characterized in that: be laid with five road annular grooves on described bearing housing outer wall.
3, high temperature high voltage resistant still seal arrangement as claimed in claim 1 or 2 is characterized in that: be provided with deep groove ball bearing below being positioned at thrust-bearing between described bearing housing and the stirring shaft.
4, high temperature high voltage resistant still seal arrangement as claimed in claim 3, it is characterized in that: sheathed axle sleeve on the stirring shaft of described bearing housing correspondence, axle sleeve is fixed by the nut and the locked spacer at top, and thrust-bearing, deep groove ball bearing and bearing (ball) cover are located at the axle sleeve outside.
5, high temperature high voltage resistant still seal arrangement as claimed in claim 4, it is characterized in that: the inside top and the bottom of described bearing housing are respectively equipped with outside framework oil seal.
6, high temperature high voltage resistant still seal arrangement as claimed in claim 5 is characterized in that: be provided with cooling water tank between described seal case bottom and the still mouth, the water tank chamber is arranged in the cooling water tank, corresponding water tank chamber is provided with cooling water intake and coolant outlet.
7, high temperature high voltage resistant still seal arrangement as claimed in claim 6 is characterized in that: be provided with cavity between the bearing housing on described upward stationary ring top and the stirring shaft, this cavity is by outer leakage outlet and external communications on the bearing housing.
8, high temperature high voltage resistant still seal arrangement as claimed in claim 7 is characterized in that: described inclination angle of going up impeller is 30 °～45 °, 30 °～45 ° at the inclination angle of following impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200894352U CN201420856Y (en) | 2009-04-07 | 2009-04-07 | Sealing device for high-temperature and high-pressure resistant vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200894352U CN201420856Y (en) | 2009-04-07 | 2009-04-07 | Sealing device for high-temperature and high-pressure resistant vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420856Y true CN201420856Y (en) | 2010-03-10 |
Family
ID=41807513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200894352U Expired - Fee Related CN201420856Y (en) | 2009-04-07 | 2009-04-07 | Sealing device for high-temperature and high-pressure resistant vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201420856Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600781A (en) * | 2011-01-24 | 2012-07-25 | 昆山密友机械密封有限公司 | Improved cooling system structure for reactor |
| CN102606736A (en) * | 2011-01-21 | 2012-07-25 | 昆山密友机械密封有限公司 | Sealing device for reaction kettles |
| CN102606735A (en) * | 2011-01-21 | 2012-07-25 | 昆山密友机械密封有限公司 | Sealing device for high-pressure and high-speed reaction kettle |
| CN103257217A (en) * | 2013-04-11 | 2013-08-21 | 王思波 | Special sample kettle for superhigh pressure gas adsorption-desorption analyzer |
| CN106402401A (en) * | 2016-11-03 | 2017-02-15 | 北京交通大学 | Step-cooling magnetic liquid sealing device for reactor |
| CN108211993A (en) * | 2018-03-18 | 2018-06-29 | 唐山山岛石油化学有限公司 | The liquid phase medium coolant seal mechanism of high-temperature pressure-reduction stirring container |
| CN109751238A (en) * | 2019-02-22 | 2019-05-14 | 郑州沃华机械有限公司 | A kind of smelt gear pump and its sealing structure |
| CN112354504A (en) * | 2020-11-07 | 2021-02-12 | 湖南德之聚新材料有限公司 | Wet preparation device of iron oxide yellow pigment |
-
2009
- 2009-04-07 CN CN2009200894352U patent/CN201420856Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606736A (en) * | 2011-01-21 | 2012-07-25 | 昆山密友机械密封有限公司 | Sealing device for reaction kettles |
| CN102606735A (en) * | 2011-01-21 | 2012-07-25 | 昆山密友机械密封有限公司 | Sealing device for high-pressure and high-speed reaction kettle |
| CN102606736B (en) * | 2011-01-21 | 2015-01-21 | 昆山密友机械密封有限公司 | Sealing device for reaction kettles |
| CN102600781A (en) * | 2011-01-24 | 2012-07-25 | 昆山密友机械密封有限公司 | Improved cooling system structure for reactor |
| CN102600781B (en) * | 2011-01-24 | 2015-09-30 | 昆山密友机械密封有限公司 | Structure improved reactor cooling system |
| CN103257217A (en) * | 2013-04-11 | 2013-08-21 | 王思波 | Special sample kettle for superhigh pressure gas adsorption-desorption analyzer |
| CN103257217B (en) * | 2013-04-11 | 2015-09-30 | 王思波 | A kind of extra-high adsorption-desorption analyser Special sample still |
| CN106402401A (en) * | 2016-11-03 | 2017-02-15 | 北京交通大学 | Step-cooling magnetic liquid sealing device for reactor |
| CN108211993A (en) * | 2018-03-18 | 2018-06-29 | 唐山山岛石油化学有限公司 | The liquid phase medium coolant seal mechanism of high-temperature pressure-reduction stirring container |
| CN109751238A (en) * | 2019-02-22 | 2019-05-14 | 郑州沃华机械有限公司 | A kind of smelt gear pump and its sealing structure |
| CN109751238B (en) * | 2019-02-22 | 2024-03-08 | 郑州沃华机械有限公司 | Melt gear pump and sealing structure thereof |
| CN112354504A (en) * | 2020-11-07 | 2021-02-12 | 湖南德之聚新材料有限公司 | Wet preparation device of iron oxide yellow pigment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201420856Y (en) | Sealing device for high-temperature and high-pressure resistant vessel | |
| CN105090517A (en) | Mechanical sealing device and method for hydrogenation reaction still | |
| CN201241839Y (en) | Slurry pump | |
| CN110211712A (en) | A kind of vertical mixed flow pump for lead bismuth reactor-loop | |
| CN201616726U (en) | Dynamic sealing device of high-power high rotating-speed submersible motor with cooling function | |
| CN207049060U (en) | A kind of efficient non-leakage pump | |
| CN101628209B (en) | Container sealing stirrer device | |
| CN202901285U (en) | Follow-up side-stirring mechanical sealing structure | |
| CN213655150U (en) | A anticorrosion suction pump for spent acid is handled | |
| CN201606303U (en) | Liquid-chlorine submerged pump shaft-seal device | |
| CN207363938U (en) | A kind of unpowered sealing device of pump for liquid salts | |
| CN203627245U (en) | Novel high temperature submerged pump | |
| CN2206873Y (en) | Seal device for high-speed, high-temp and high-pressure cauldron | |
| CN104847415B (en) | A kind of axial-flow type hydraulic turbine installation | |
| CN208073798U (en) | A kind of magnetic submerged pump of the isolated conveying of nitrogen | |
| CN106593934B (en) | A kind of pool reactor vertical pump | |
| CN202348682U (en) | Slow-rotary-speed corrosion-resisting wear-resisting centrifugal pump | |
| CN205977697U (en) | Chemical pump is supported at modified two -stage, chopped -off head double suction, radial subdivision, both ends | |
| CN207486057U (en) | A kind of high temperature resistant vacuum reactor magnetic fluid seal device | |
| CN206429657U (en) | A kind of reactor sealing device | |
| CN207975016U (en) | A kind of centrifugal pump with automatic cooling oil storage sealing device | |
| CN101149065A (en) | High temperature-resistant liner tetrafluoro pump mechanical seal cooling water device | |
| CN205413026U (en) | Non -contact canned type reation kettle | |
| CN212360527U (en) | Thrust bearing of furnace water circulating pump | |
| CN205207686U (en) | Mechanical seal device for agitator |
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: 20100310 Termination date: 20120407 |