CN206329542U - Packaging type cools down anhydrous mechanical seal certainly - Google Patents
Packaging type cools down anhydrous mechanical seal certainly Download PDFInfo
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- CN206329542U CN206329542U CN201621434146.8U CN201621434146U CN206329542U CN 206329542 U CN206329542 U CN 206329542U CN 201621434146 U CN201621434146 U CN 201621434146U CN 206329542 U CN206329542 U CN 206329542U
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Abstract
The utility model discloses a kind of packaging type from anhydrous mechanical seal is cooled down, rotating ring, stationary ring and flange are sequentially installed with from inside to outside on axle sleeve outer wall；The coaxial rotating ring erecting bed for being fixed with annular on axle sleeve outer wall；Split turning set is equipped with rotating ring on rotating ring erecting bed outer wall；Rotating ring fixing nut is bolted with the axle sleeve outer wall on the inside of annular rotating ring erecting bed.Advantage is：It is simple in construction, easy to process, long service life.Packaging type is designed, and can be used as an integral installation and dismounting.Handling are quite convenient to.The heat produced by the medium cooler envelope dynamic and static ring spin friction in the pump housing is fully utilized.
Description
Technical field：
The utility model is related to a kind of mechanical seal structure, more particularly to a kind of packaging type cools down anhydrous mechanical seal certainly.
Background technology：
Mechanical seal is the laminating realization sealing by two anchor rings of a pair of dynamic and static rings.Mechanical seal is running at high speed
When, the sealing ring surface of two laminatings constantly rubs and can produce very big heat, the heat that standard machinery sealing dynamic and static ring friction is produced
Very big, the air flowability that dynamic and static ring is contacted is very poor, and the heat that dynamic and static ring friction is produced, which easily gathers, to be difficult to distribute, and is not added with cold
But the dynamic and static ring of water cooling mechanical seal, mechanical seal will burn quickly or the life-span is very short.Standard machinery sealing is used
The mode of cooling dynamic and static ring has two ways：One kind is interior cooled, and another is outer cooled.Two ways will be consumed greatly
Industrial water is measured to cool down.Have to the additional cooler of mechanical seal, but cooler is also required to consume a large amount of industrial water ability
Cool down cooler.These cooling waters need the one independent equipment of increase could to provide, and the cooling water water source will also be protected
Demonstrate,prove necessarily required water quality and pressure.Standard machinery sealing is really water consumption power consumption, and adds substantial amounts of plant maintenance amount.
Utility model content：
The purpose of this utility model is to provide one kind without external cooling water and use cooler, in the full utilization pump housing
Medium cooling dynamic and static ring spin friction produced by heat packaging type from cooling down anhydrous mechanical seal.
The utility model is implemented by following technical scheme：Packaging type is from anhydrous mechanical seal is cooled down, and it includes axle sleeve, moved
Ring, stationary ring and flange；The rotating ring, stationary ring and flange are sequentially installed with from inside to outside on the axle sleeve outer wall；The rotating ring
The anchor ring CONTACT WITH FRICTION adjacent with the stationary ring；It also includes ring seal O-ring, rotating ring fixing nut, compression and seals O-shaped
Circle；The coaxial rotating ring erecting bed for being fixed with annular on the axle sleeve outer wall, the rotating ring erecting bed and the axle sleeve are into one
Body structure；The rotating ring split turning set is on the rotating ring erecting bed outer wall；Pacify in the rotating ring close to the stationary ring
The coaxial annular seal ring of moving ring installation step for being fixed with protrusion on dress platform outer wall, the seal ring of moving ring installation step with
The rotating ring erecting bed is into a single integrated structure；It is provided with the collar extension of the rotating ring corresponding with the seal ring of moving ring installation step
Rotating ring endoporus step；Ring seal ring recess is formed between the seal ring of moving ring installation step and the rotating ring endoporus step,
Split is movably equipped with the ring seal O-ring on the rotating ring erecting bed outer wall in the ring seal ring recess；Described
The rotating ring fixing nut is bolted with the axle sleeve outer wall on the inside of annular rotating ring erecting bed；In the institute adjacent with the rotating ring
Rotating ring fixing nut end face is stated provided with ring compression seal groove, split is provided with described in the ring compression seal groove
Compress seal O-ring；Tapered step is processed on the outer wall of the stationary ring, processes tapered in the collar extension of the flange
Groove, the taper step and taper groove formation isolating seal circle fixing groove, the split in the isolating seal circle fixing groove
Set is equiped with the isolating seal O-ring.
It is preferred that, it is fixed with axial blade on the outer wall of the rotating ring fixing nut.
It is preferred that, it is provided with interior chamfering on the inwall of the rotating ring collar extension adjacent with the stationary ring.
It is preferred that, it is provided with outer chamfering on the outer wall of the rotating ring collar extension adjacent with the stationary ring.
Advantage of the present utility model：It is simple in construction, easy to process, long service life.Packaging type is designed, can be whole as one
Body is mounted and dismounted.Handling are quite convenient to.It is fully utilized produced by the medium cooler envelope dynamic and static ring spin friction in the pump housing
Heat.Increase equipment without the cooling exclusively for mechanical seal, without in machine envelope side increase cooler.Device context
The pipeline set for cooling water can be removed, and field apparatus looks more succinct clean.Using medium extensively, in limestone slurry
Liquid, urea liquid etc. are easily crystallized, and can be used in the medium of fouling.This product will be major industry energy conservation emission reductions and super
Low emission, reduces industrial wastewater pollution, saves a large amount of industrial waters and plays a great role.Particularly in power plant desulfurization, denitration
Using effect in system is especially pronounced.
Brief description of the drawings：
Fig. 1 is the overall structure diagram of embodiment 1.
Fig. 2 is the overall structure diagram of axle sleeve.
Fig. 3 is Fig. 2 A-A diagrammatic cross-sections.
Fig. 4 is the overall structure diagram of embodiment 2.
Fig. 5 is the use schematic diagram of embodiment 2.
Fig. 6 is Fig. 5 part B enlarged diagram.
Fig. 7 is the overall structure diagram of embodiment 3.
Fig. 8 is another overall structure diagram of embodiment 3.
Fig. 9 is the third overall structure diagram of embodiment 3.
Figure 10 is the overall structure diagram of embodiment 4.
Figure 11 is another overall structure diagram of embodiment 4.
Figure 12 is the third overall structure diagram of embodiment 4.
Axle sleeve 1, rotating ring fixing nut 2, rotating ring 3, stationary ring 4, flange 5, driving ring 6, positioning ptfe ring 7, ring seal are O-shaped
Circle 8, compress seal O-ring 9, it is spring 10, stationary ring seal O-ring 11, isolating seal O-ring 12, sleeve sealing O-ring 13, fixed
Position screw 14, holding screw 15, rotating ring erecting bed 16, seal ring of moving ring installation step 17, rotating ring endoporus step 18, ring seal
Ring recess 19, ring compression seal groove 20, stationary ring endoporus step 21, spring fixed hole 22, anti-rotation pin-and-hole 23, stationary ring seal groove
24th, taper step 25, taper groove 26, isolating seal circle fixing groove 27, sleeve sealing ring recess 28, flange positioning step 29, driving
Ring positioning step 30, axle sleeve positioning hole 31, axle sleeve tightening hole 32, driving ring positioning hole 33, driving ring tightening hole 34, pump shaft 35,
Axial blade 36, higher-pressure region 37, low-pressure area 38, pump case 39, passage 40, interior chamfering 41, outer chamfering 42.
Embodiment：
Embodiment 1：As shown in figure 1, packaging type is from cooling down anhydrous mechanical seal, it include axle sleeve 1, rotating ring fixing nut 2,
Rotating ring 3, stationary ring 4, flange 5, driving ring 6, positioning ptfe ring 7, ring seal O-ring 8, compress seal O-ring 9, it is spring 10, quiet
Ring seal O-ring 11, isolating seal O-ring 12, sleeve sealing O-ring 13, Positioning screw 14, holding screw 15；Outside axle sleeve 1
Rotating ring fixing nut 2, rotating ring 3, stationary ring 4, flange 5 and driving ring 6 are sequentially installed with wall from inside to outside；Rotating ring 3 and the phase of stationary ring 4
Adjacent anchor ring CONTACT WITH FRICTION；Provided with positioning ptfe ring 7 between flange 5 and driving ring 6；As shown in Fig. 2 on the outer wall of axle sleeve 1
The coaxial rotating ring erecting bed 16 for being fixed with annular, rotating ring erecting bed 16 and axle sleeve 1 are into a single integrated structure；Outside rotating ring erecting bed 16
Split turning set is equipped with rotating ring 3 on wall；In the coaxial annular for being fixed with protrusion on the outer wall of rotating ring erecting bed 16 of stationary ring 4
Seal ring of moving ring installation step 17, seal ring of moving ring installation step 17 and rotating ring erecting bed 16 are into a single integrated structure；In rotating ring 3
Rotating ring endoporus step 18 corresponding with seal ring of moving ring installation step 17 is provided with collar extension；Seal ring of moving ring installation step 17 is with moving
Split on ring seal ring recess 19, the outer wall of rotating ring erecting bed 16 in ring seal ring recess 19 is formed between ring endoporus step 18
It is movably equipped with ring seal O-ring 8；Rotating ring fixing nut is bolted with the outer wall of axle sleeve 1 of the annular inner side of rotating ring erecting bed 16
2, the outer dia of rotating ring fixing nut 2 is identical with the outside diameter of rotating ring 3, and the mounting means of rotating ring 3 is cylindrical bareing, is moved
The cylindrical of ring 3 can fully be contacted with medium, taken away rapidly, be easy to by medium so as to allow the rubbing surface of rotating ring 3 to be conducted through the heat come
Rotating ring 3 radiates；Ring compression seal groove 20 is provided with the end face of rotating ring fixing nut 2 adjacent with rotating ring 3, in ring compression
Split is provided with seal O-ring 9 is compressed in seal groove 20, and the depth of ring compression seal groove 20 is compression seal O-ring 9
The 1/2 of diameter, the width of ring compression seal groove 20 is slightly larger than the diameter for compressing seal O-ring 9；Fixed by screwing rotating ring
Nut 2, which is promoted, compresses seal O-ring 9, compresses seal O-ring 9 and rotating ring 3 is pushed to ring seal O-ring 8, ring seal O-ring
8 are blocked by seal ring of moving ring installation step 17 on axle sleeve 1, and power is screwed by increase rotating ring fixing nut 2, can allow the quilt of rotating ring 3
Being clipped in tightly is compressed between seal O-ring 9 and ring seal O-ring 8, axle sleeve 1, rotating ring fixing nut 2 and rotating ring 3 three zero
Part forms seal an and flexible firm entirety；Stationary ring is offered on the inside of flange 5 collar extension adjacent with stationary ring 4
Endoporus step 21, stationary ring 4 is arranged in stationary ring endoporus step 21；It is respectively equipped with and flange on the bottom surface of stationary ring endoporus step 21
5 axial identical spring fixed holes 22 and anti-rotation pin-and-hole 23；Spring 10 is provided with spring fixed hole 22, the outer end of spring 10 is withstood on
On the anchor ring of stationary ring 4, spring 10 applies the thrust for pushing rotating ring 3 to stationary ring 4；In the bottom surface phase with stationary ring endoporus step 21
To stationary ring 4 anchor ring on be integrally formed with stop pin 25；The correspondence of stop pin 25 is plugged in anti-rotation pin-and-hole 23, and stop pin 25 is prevented
Stationary ring 4 rotates together with rotating ring 3；Stationary ring seal groove 24 is offered on the inwall of flange 5 in the outside of stationary ring 4, it is close in stationary ring
Split is movably equipped with stationary ring seal O-ring 11 in seal groove 24；Tapered step 25 is processed on the outer wall of stationary ring 4, in flange 5
Collar extension on be machined with taper groove 26, taper step 25 and the formation isolating seal circle of taper groove 26 fixing groove 27, in isolating seal
Split set is equiped with isolating seal O-ring 12 in circle fixing groove 27；Because isolating seal O-ring 12 is rubber, have very well
Elasticity, isolating seal O-ring 12 can be widened, be sleeved in isolating seal circle fixing groove 27, isolating seal is O-shaped during installation
Circle 12 is once entering in isolating seal circle fixing groove 27 will down slide along the taper step 25 of stationary ring 4, and lock ring is in stationary ring 4
The bottom of taper step 25, and it is close to the taper groove 26 of flange 5, favorable sealing property, simultaneously because stationary ring 4 is relative to flange
5 do not rotate, so will not produce abrasion between isolating seal O-ring 12 and stationary ring 4；Sealing off O-ring 12 can be effective
Spacer medium, mechanical seal is easily crystallized in lime stone slurry, urea liquid etc., is used in the medium of fouling, and stationary ring sealing is O-shaped
Circle 12 media end would not be produced by medium crystallization, the material what plug of fouling, solidification；Spring 10 has benefit to stationary ring 4 all the time
The effect of repaying, the life-span of mechanical seal greatly prolongs；It is close in axle sleeve provided with a sleeve sealing ring recess 28 on the inwall of axle sleeve 1
Split is provided with sleeve sealing O-ring 13 in seal groove 28, sleeve sealing O-ring 13 in 1 set loading pump shaft of axle sleeve from it is close
Envelope is acted on；Corresponding flange positioning step 29 and driving ring positioning table are respectively equipped with the collar extension relative with driving ring 6 of flange 5
Rank 30, positioning ptfe ring 7 is sleeved on flange positioning step 29 and driving ring positioning step 30；By changing positioning ptfe ring 29
Thickness can adjust the decrement of spring 10；As shown in figure 3, prolonging even circumferential distribution on the outer wall of axle sleeve 1 in driving ring 6
Six through holes, six through holes are respectively spaced axle sleeve positioning hole 31 and axle sleeve tightening hole 32, are opened in driving ring 6
There is the driving ring positioning hole 33 of connection corresponding with axle sleeve positioning hole 31, Positioning screw 14 be bolted with driving ring positioning hole 33,
The diameter of axle sleeve positioning hole 31 is slightly less than the diameter of driving ring positioning hole 33, so screws in the Positioning screw of driving ring positioning hole 33
The taper of 14 front ends just inserts axle sleeve positioning hole 31, and the tapered edge of the front end of Positioning screw 14 is just stuck in axle sleeve positioning hole 31
In, driving ring 6 is just realized with axle sleeve 1 and is accurately positioned, and driving ring 6 withstands positioning ptfe ring 7, it is ensured that mechanical seal has accurately
Spring force；The driving ring tightening hole 34 with the corresponding connection in axle sleeve tightening hole 32 is provided with driving ring 6, in driving ring tightening hole 34
Inside it is bolted with holding screw 15；The diameter in axle sleeve tightening hole 32 is slightly larger than the diameter in driving ring tightening hole 34, so screws in driving
The holding screw 15 in ring tightening hole 34 can pass through axle sleeve 1 and be directly screwed on pump shaft 35；Driving ring 6 is allowed to determine with axle sleeve 1
Level is true, it is ensured that mechanical seal has accurately spring force, and axle sleeve 1 is positioned on pump shaft 35 with mechanical rotation or vibrations, in pump, 35
On will not offset, make mechanical seal spring 10 compensate strength stablize constant.
Embodiment 2：As shown in Figures 4 to 6, packaging type is from anhydrous mechanical seal is cooled down, and it includes axle sleeve 1, rotating ring and fixed
Nut 2, rotating ring 3, stationary ring 4, flange 5, driving ring 6, positioning ptfe ring 7, ring seal O-ring 8, compression seal O-ring 9, bullet
Spring 10, stationary ring seal O-ring 11, isolating seal O-ring 12, sleeve sealing O-ring 13, Positioning screw 14, holding screw 15；
Rotating ring fixing nut 2, rotating ring 3, stationary ring 4, flange 5 and driving ring 6 are sequentially installed with the outer wall of axle sleeve 1 from inside to outside；The He of rotating ring 3
The adjacent anchor ring CONTACT WITH FRICTION of stationary ring 4；Provided with positioning ptfe ring 7 between flange 5 and driving ring 6；Its overall structure is with implementing
Example 1 is identical, and difference is that axial blade 36, axial blade 36 are integrally fixed with the outer wall of rotating ring fixing nut 2
Angle rotation direction point or so rotation direction, its rotation direction and pump shaft 35 are oppositely oriented；The rotation of the phantom ring fixing nut 2 of axial blade 36 can handle
Medium is constantly transported to the side away from rotating ring 3 from the side close to rotating ring 3；Side of the fixing nut 2 away from rotating ring 3 is formed
Higher-pressure region 37, low-pressure area 38 is formed close to the side of rotating ring 3；Gap between pump case 39 and rotating ring fixing nut 2 are cylindrical is formed
The passage 40 of height nip medium heat convection, higher-pressure region 37 and the medium formation convective region in pump case 39；Axial blade 36
The medium of rotating ring 3 and stationary ring 4 is flowed to constantly to reversely pushing in pump chamber, medium is alleviated to mechanical sealing linkage ring 3 and stationary ring 4
Pressure, rotating ring 3 and the mitigation of the pressure of stationary ring 4 make the heat of its phase mutual friction less, and allow medium during the rotation of axial blade 36
Strong convection current is generated, the strong convection produced in the axial blade 36 of low-pressure area 38 by passage 40 has taken away rubbing for rotating ring 3
Wiping face and the rubbing surface of stationary ring 4 a large amount of frictional heats produced when operating, in higher-pressure region 37, the generation of axial blade 36 is strong
The strong convection heat-shift that convection current and low-pressure area 38 are produced, the strong convection that higher-pressure region 37 is produced low-pressure area 38 produce it is strong
The heat of strong convection current is taken away, the Medium Exchange heat in strong convection and the pump housing that higher-pressure region 37 is produced, and is produced from medium higher-pressure region 37
The heat of raw strong convection is taken away, and heat is discharged and conveyed from the outlet of pump with medium.Realize without additional cooling water again
Carry out the function of frictional heat produced during the operating of cooling mechanical seal dynamic and static ring.
Embodiment 3：As shown in fig. 7, packaging type is from cooling down anhydrous mechanical seal, it include axle sleeve 1, rotating ring fixing nut 2,
Rotating ring 3, stationary ring 4, flange 5, driving ring 6, positioning ptfe ring 7, ring seal O-ring 8, compress seal O-ring 9, it is spring 10, quiet
Ring seal O-ring 11, isolating seal O-ring 12, sleeve sealing O-ring 13, Positioning screw 14, holding screw 15；Outside axle sleeve 1
Rotating ring fixing nut 2, rotating ring 3, stationary ring 4, flange 5 and driving ring 6 are sequentially installed with wall from inside to outside；Rotating ring 3 and the phase of stationary ring 4
Adjacent anchor ring CONTACT WITH FRICTION；Provided with positioning ptfe ring 7 between flange 5 and driving ring 6；Its overall structure is same as Example 1,
Difference is to be provided with interior chamfering 41 on the inwall of rotating ring 3 collar extension adjacent with stationary ring 4；Or as shown in figure 8, with it is quiet
Outer chamfering 42 is provided with the outer wall of the adjacent collar extension of rotating ring 3 of ring 4；Or as shown in figure 9, in rotating ring 3 collar extension adjacent with stationary ring 4
Interior chamfering 41 and outer chamfering 42 are had on inner and outer wall；Friction area between rotating ring 3 and stationary ring 4 is reduced, makes rotating ring 3
In high-speed rotation, frictional resistance is small, reduces frictional heating amount.
Embodiment 4：As shown in Figure 10, packaging type is from anhydrous mechanical seal is cooled down, and it includes axle sleeve 1, rotating ring fixing nut
2nd, rotating ring 3, stationary ring 4, flange 5, driving ring 6, positioning ptfe ring 7, ring seal O-ring 8, compress seal O-ring 9, spring 10,
Stationary ring seal O-ring 11, isolating seal O-ring 12, sleeve sealing O-ring 13, Positioning screw 14, holding screw 15；In axle sleeve 1
Rotating ring fixing nut 2, rotating ring 3, stationary ring 4, flange 5 and driving ring 6 are sequentially installed with outer wall from inside to outside；Rotating ring 3 and stationary ring 4
Adjacent anchor ring CONTACT WITH FRICTION；Provided with positioning ptfe ring 7 between flange 5 and driving ring 6；Its overall structure and the phase of embodiment 2
Together, difference is to be provided with interior chamfering 41 on the inwall of rotating ring 3 collar extension adjacent with stationary ring 4；Or as shown in figure 11,
Outer chamfering 42 is provided with the outer wall of the collar extension of rotating ring 3 adjacent with stationary ring 4；Or as shown in figure 12, in the rotating ring 3 adjacent with stationary ring 4
Interior chamfering 41 and outer chamfering 42 are had on the inner and outer wall of collar extension；Friction area between rotating ring 3 and stationary ring 4 is reduced,
Make the frictional resistance in high-speed rotation of rotating ring 3 small, reduce frictional heating amount.
Claims (4)
1. packaging type is from anhydrous mechanical seal is cooled down, it includes axle sleeve, rotating ring, stationary ring and flange；On the axle sleeve outer wall by
It is interior to being sequentially installed with the rotating ring, stationary ring and flange outside；The rotating ring anchor ring CONTACT WITH FRICTION adjacent with the stationary ring；It is special
Levy and be, it also includes ring seal O-ring, rotating ring fixing nut, compresses seal O-ring；It is coaxial on the axle sleeve outer wall
It is fixed with the rotating ring erecting bed of annular；Split turning set is equipped with the rotating ring on the rotating ring erecting bed outer wall；Close
The coaxial seal ring of moving ring installation step for being fixed with annular on the rotating ring erecting bed outer wall of the stationary ring；In the rotating ring
Collar extension on be provided with rotating ring endoporus step corresponding with the seal ring of moving ring installation step；The seal ring of moving ring installation step
Ring seal ring recess is formed between the rotating ring endoporus step, split is close provided with the rotating ring in the ring seal ring recess
Seal O-ring；The rotating ring fixing nut is bolted with the axle sleeve outer wall on the inside of the annular rotating ring erecting bed；With institute
The adjacent rotating ring fixing nut end face of rotating ring is stated provided with ring compression seal groove, in the ring compression seal groove
Interior split is provided with the compression seal O-ring；Tapered step is processed on the outer wall of the stationary ring, in the collar extension of the flange
On be machined with taper groove, the taper step and taper groove formation isolating seal circle fixing groove, in the isolating seal circle
Split set is equiped with the isolating seal O-ring in fixing groove.
2. packaging type according to claim 1 cools down anhydrous mechanical seal certainly, it is characterised in that fix spiral shell in the rotating ring
Axial blade is fixed with female outer wall.
3. according to any described packaging type of claim 1 or 2 from cooling down anhydrous mechanical seal, it is characterised in that with it is described
Interior chamfering is provided with the inwall of the adjacent rotating ring collar extension of stationary ring.
4. packaging type according to claim 3 cools down anhydrous mechanical seal certainly, it is characterised in that adjacent with the stationary ring
The rotating ring collar extension outer wall on be provided with outer chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434146.8U CN206329542U (en) | 2016-12-23 | 2016-12-23 | Packaging type cools down anhydrous mechanical seal certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434146.8U CN206329542U (en) | 2016-12-23 | 2016-12-23 | Packaging type cools down anhydrous mechanical seal certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329542U true CN206329542U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621434146.8U Active CN206329542U (en) | 2016-12-23 | 2016-12-23 | Packaging type cools down anhydrous mechanical seal certainly |
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| Country | Link |
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| CN (1) | CN206329542U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
| CN109667935A (en) * | 2018-12-07 | 2019-04-23 | 宁波方力密封件有限公司 | A kind of mechanical seal of packaging type |
| CN111536239A (en) * | 2020-04-21 | 2020-08-14 | 嘉兴博格曼密封件有限责任公司嘉善金刚分公司 | Integrated mechanical seal connecting assembly |
| CN113175527A (en) * | 2021-05-17 | 2021-07-27 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
-
2016
- 2016-12-23 CN CN201621434146.8U patent/CN206329542U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
| CN109667935A (en) * | 2018-12-07 | 2019-04-23 | 宁波方力密封件有限公司 | A kind of mechanical seal of packaging type |
| CN109667935B (en) * | 2018-12-07 | 2023-09-08 | 宁波方力密封件有限公司 | Packaging type mechanical seal |
| CN111536239A (en) * | 2020-04-21 | 2020-08-14 | 嘉兴博格曼密封件有限责任公司嘉善金刚分公司 | Integrated mechanical seal connecting assembly |
| CN113175527A (en) * | 2021-05-17 | 2021-07-27 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
| CN113175527B (en) * | 2021-05-17 | 2022-09-16 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
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