CN109163098A - A kind of dry-type mechanical sealing device for prohibiting grease health blender - Google Patents
A kind of dry-type mechanical sealing device for prohibiting grease health blender Download PDFInfo
- Publication number
- CN109163098A CN109163098A CN201811284995.3A CN201811284995A CN109163098A CN 109163098 A CN109163098 A CN 109163098A CN 201811284995 A CN201811284995 A CN 201811284995A CN 109163098 A CN109163098 A CN 109163098A
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- China
- Prior art keywords
- ring
- blender
- stationary ring
- dry
- prohibiting
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 230000036541 health Effects 0.000 title claims abstract description 20
- 239000004519 grease Substances 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 41
- 230000003068 static effect Effects 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 239000010687 lubricating oil Substances 0.000 abstract description 9
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000009837 dry grinding Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention provides a kind of dry-type mechanical sealing devices for prohibiting grease health blender comprising: static components, moving ring assembly, sealing flange；Sealing flange is set in shaft, and lock chamber is formed between sealing flange and shaft；Static components include stationary ring, and stationary ring is made of silicon carbide, and stationary ring is fixed in lock chamber；Moving ring assembly includes the spring base of rotating ring, the rotating seat of fixed rotating ring, counterbalance spring, fixed compensation spring, and rotating ring is inlayed by graphite to be made.The present invention, the rotating ring made of the stationary ring made of silicon carbide and graphite form the fastness with the anti-dry grinding characteristic of excellent self-lubricating, and seal process is not necessarily to the lubrication and cooling down of lubricating oil, reduce the pollution of lubricating oil this pollutant to medium；Meanwhile the discarded powder for the generation that rubs between sealing surface, it is collected by powder collection channel, prevents pollution of the discarded powder to medium；While realizing that sealing ensures, comprehensive medical support is realized.
Description
Technical field
The present invention relates to a kind of dry-type mechanical sealing devices for prohibiting grease health blender.
Background technique
Mechanically-sealing apparatus is a kind of gland seal device of rotating machinery, be usually used in such as centrifugal pump, centrifuge, reaction kettle and
The equipment such as compressor.Mechanically-sealing apparatus is by a pair of or several sealing surfaces to perpendicular to the opposite sliding of rotary shaft work in Fluid pressure
With keep under the action of compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal being bonded and constituting with respect to sliding
The device for preventing fluid from leaking.
Existing mechanically-sealing apparatus often needs lubricating oil to be lubricated in the process of running；And all parts rub
Position is wiped, crystallization is easy to produce；These pollutants are easy to drop into blender, therefore, food, medicine, cosmetics,
The higher industry of the hygienic requirements such as biological gene engineering is difficult to be applicable in.
Chinese patent 201520365858.8 discloses a kind of side entering type sanitation-grade mechanical seal structure, including rotating ring, quiet
Ring, rotating seat and stationary seat, agitating shaft upper sleeve have axle sleeve, and rotating seat is fixed on axle sleeve and is equipped with stationary seat, stationary seat is logical
Bearing hinge connection is crossed in the rear end of axle sleeve, rotating seat is fixed on the front end of axle sleeve, and the axle sleeve upper sleeve has rotating ring and stationary ring, rotating ring
Outer wall and rotating seat inner wall between be clamped with rotating ring O-ring, be clamped between the outer wall of stationary ring and the inner wall of stationary seat quiet
Ring O-ring, stationary seat are equipped with spring, and stationary ring is put forth effort on the top of spring, and the preceding sealing surface of stationary ring is pressed against the rear close of rotating ring
On cover.
Chinese patent 201320792387.X discloses a kind of sanitation-grade mechanically-sealing apparatus, including rotating ring, stationary ring, stationary ring
Seat, stationary ring and rotating ring are in close contact to form dynamic and static ring adjustment face, and the stationary seat radially inner side is equipped with spacer ring, stationary ring be set in every
Circle outside, the height of the spacer ring top surface are higher than dynamic and static ring and merge face.
It is above-mentioned in the prior art, respectively by the design of seal face materials, reduce the generation of contaminated material；With pass through structure
Design, reduce pollutant fall into the channel in blender；It to realize sanitation-grade mechanical seal, but is that part solves health
Grade mechanical seal the problem of, in use, still have the pollution being difficult to avoid that, influence using.
Summary of the invention
In view of the shortcomings of the prior art, the object of the present invention is to provide a kind of dry-type mechanical for prohibiting grease health blender is close
Seal apparatus, seal process are not necessarily to lubricating oil, and contamination-free is fallen into blender, in food, medicine, cosmetics, biological gene
The industries such as engineering can be applicable in.
To achieve the goals above, the present invention provides it is a kind of prohibit grease health blender dry-type mechanical sealing device,
Comprising: static components, moving ring assembly, sealing flange；
Sealing flange is set in shaft, and lock chamber is formed between sealing flange and shaft；
Static components include stationary ring, and stationary ring is made of silicon carbide, and stationary ring is fixed in lock chamber；
Moving ring assembly includes the spring base of rotating ring, the rotating seat of fixed rotating ring, counterbalance spring, fixed compensation spring, rotating ring
It is made by operating graphite can be done.
In the present invention, the stationary ring made of silicon carbide and rotating ring made of operating graphite can be done partner friction
It pays, stationary ring and rotating ring form the fastness with the anti-dry grinding characteristic of excellent self-lubricating, are competent at pressure by grinding, polishing treatment
No more than 4bar, sealing surface sliding velocity is not necessarily to the lubrication and drop of lubricating oil in 2m/s working condition below, seal process
Temperature is cooling, pollution of the pollutants such as oil, water to medium of having determined of fundamentally shutting out.
When being positive pressure in the present invention, in blender, the seal closure power of fastness is provided by spring and certain media pressure.
When being negative pressure in blender, the closing force of fastness is provided by spring force and part atmospheric pressure, to ensure that blender is set
It is standby no matter in process flow which kind of state to be able to maintain No leakage state in.
The inside of another specific embodiment according to the present invention, lock chamber is equipped with separation sleeve, and separation sleeve is set in shaft,
Powder collection channel is formed between separation sleeve and stationary ring, the powder collected is the abrasion material generated when rotating ring and stationary ring rub；
The bottom of sealing flange is equipped with powder flow pass, powder flow pass and powder collection channel connection.Pass through powder
Material collection channel collects the discarded powder generated when rotating ring and stationary ring friction, avoids discarded powder from falling into other positions, then through it
He falls into blender position.The discarded powder collected is flowed out from powder flow pass, to discard the timely cleaning of powder；Together
When, the exit of discarded flow pass is equipped with pipe plug and blocks outlet, and discarded powder is avoided to flow out in the process of running.Separation sleeve
Setting, discarded powder can be prevented to fall into blender by the gap between sealing flange and shaft, be further ensured that health, tool
Body, the height of separation sleeve is arranged higher than sealing surface.
Another specific embodiment according to the present invention, the top of lock chamber is equipped with the stationary ring pressing plate for fixing stationary ring, quiet
Ring-shaped pressuring plate is fixed on sealing flange by fixing screws；
The outside of stationary ring is equipped with annular convex platform, and the two sides up and down of annular convex platform are equipped with stationary ring O-ring, and stationary ring pressing plate is pressed in
On stationary ring O-ring.Stationary ring passes through double stationary ring O-ring settings, has the verticality regulatory function of anti-extraction and sealing surface and axis.
Another specific embodiment according to the present invention, stationary ring O-ring is radial seal O-ring, so that stationary ring and Sealing Method
Between orchid, while fixed, also there is flexibility.
Another specific embodiment according to the present invention, spring socket sleeve are set in shaft, and rotating seat is sheathed on the outside of spring base.
Another specific embodiment according to the present invention, between spring base and rotating ring be equipped with floating type O-ring so that rotating ring with
Reach between spring base bidirectional balanced.
Another specific embodiment according to the present invention, moving ring assembly further include tensioner, and tensioner is sheathed in shaft, bullet
Spring abutment is fixed on the outside of tensioner by fastening screw；
The second floating type O-ring is equipped between tensioner and spring base.Spring base is consolidated by tensioner and fastening screw
Surely it is sheathed in shaft, holds spring base firmly with shaft tightly, while axis will not be hurt, and structure can be provided and reliably passed
It is dynamic.
Another specific embodiment according to the present invention, moving ring assembly further comprise a group cartridge screw.It will by group cartridge screw
After moving ring assembly is assembled into an entirety, then integration is installed in shaft, the work such as is easily installed, debugs, safeguards and detects.
After being installed, it is necessary to remove a group cartridge screw.
Another specific embodiment according to the present invention, the bottom of sealing flange are equipped with annular groove, are cased in annular groove
Embedded O-ring.
Compared with prior art, the present invention have it is following the utility model has the advantages that
In the present invention, the rotating ring made of the stationary ring made of silicon carbide and graphite, which is formed, has excellent self-lubricating anti-dry
The fastness of characteristic is ground, seal process is not necessarily to the lubrication and cooling down of lubricating oil, reduces lubricating oil this pollutant to Jie
The pollution of matter.
The discarded powder that the present invention generates when collecting rotating ring and stationary ring friction by powder collection channel, avoids discarded powder
Other positions are fallen into, then are fallen into blender through other positions.Meanwhile the discarded powder of collection is flowed out from powder flow pass,
To discard the timely cleaning of powder.
The present invention further prevents discarded powder from passing through close by the way that in lock chamber, setting is sheathed on the separation sleeve of shaft
Gap between envelope flange and shaft falls into blender.
Stationary ring in the present invention passes through double stationary ring O-ring settings, has the verticality tune of anti-extraction and sealing surface and axis
Function is saved, further ensures that the stabilization and service life of device.
Stationary ring O-ring in the present invention passes through the setting of radial seal O-ring, so that between stationary ring and sealing flange,
While fixed, also there is flexibility.
Spring base fixing sleeve is set in shaft by tensioner and fastening screw in the present invention, make spring base firmly with
Shaft is held tightly, while will not hurt axis, and can provide structure and reliably be driven.
It after moving ring assembly in the present invention is assembled into an entirety by group cartridge screw, then is installed in shaft simultaneously, just
In work such as installation, debugging, maintenance and detections.After being installed, a group cartridge screw can be removed, not influence equipment operation.
In the present invention, the components such as rotating ring, stationary ring and the spring base being associated, sealing flange are by respective O
Type circle couples, and without any rigid contact, entire mechanically-sealing apparatus is perfect flexible design, greatly improves sealing
Reliability and service life.
The present invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dry-type mechanical sealing device of the taboo grease health blender of embodiment 1.
Specific embodiment
Embodiment 1
A kind of dry-type mechanical sealing device for prohibiting grease health blender is present embodiments provided, as shown in Figure 1, it is wrapped
It includes: sealing flange 101, static components, moving ring assembly.
Sealing flange 101 is set in shaft, and lock chamber (not shown) is formed between sealing flange 101 and shaft.
The bottom of sealing flange 101 is equipped with annular groove 102, is cased with embedded O-ring 103, fixing seal flange in annular groove 102
101。
Static components include stationary ring 201, and stationary ring 201 is made of silicon carbide, and stationary ring 201 is fixed on lock chamber and (does not show in figure
In out)；The outside of stationary ring 201 is equipped with annular convex platform (not shown), and the two sides up and down of annular convex platform (not shown) are equal
Equipped with stationary ring O-ring 202, stationary ring pressing plate 203 is pressed on stationary ring 201 and the stationary ring O-ring 202 of top, and stationary ring 201 passes through double quiet
Ring O-ring 202 is arranged, and has the verticality regulatory function of anti-extraction and sealing surface and axis.Stationary ring O-ring 202 is radial close
Seal O-ring.So that while fixed, also there is flexibility between stationary ring 201 and sealing flange 101.Lock chamber (does not show in figure
Top out) is equipped with the stationary ring pressing plate 203 for fixing stationary ring 201, and stationary ring pressing plate 203 is fixed on close by fixing screws 204
It seals on flange 101, static components is fixed in lock chamber (not shown).
Moving ring assembly includes rotating seat 302, counterbalance spring 304, the fixed compensation spring of rotating ring 301, fixed rotating ring 301
304 spring base 303, rotating ring 301 are made of graphite.Spring base 303 is sheathed in shaft, and rotating seat 302 is sheathed on spring base
303 outsides.It is arranged by step, floating type O-ring 306 is equipped between spring base 303 and rotating ring 301, so that rotating ring 301 and bullet
Reach bidirectional balanced between spring abutment 303.
Moving ring assembly further includes tensioner 307, and tensioner 307 is sheathed in shaft, and spring base 303 passes through fastening screw
308 are fixed on the outside of tensioner 307.The second floating type O-ring 305 is equipped between tensioner 307 and spring base 303.Pass through
303 fixing sleeve of spring base is set in shaft by tensioner 307 and fastening screw 308, embraces spring base 303 firmly with shaft
Tightly, while axis will not be hurt, and structure can be provided and be reliably driven.
Moving ring assembly further comprises group cartridge screw 309.Moving ring assembly is assembled into an entirety by group cartridge screw 309
Afterwards, then simultaneously it is installed in shaft, the work such as is easily installed, debugs, safeguards and detects.It, can be by a group cartridge screw after being installed
309 remove.
The present embodiment, the rotating ring 301 made of the stationary ring 201 made of silicon carbide and graphite partner fastness,
Stationary ring 201 and rotating ring 301 form the fastness with the anti-dry grinding characteristic of excellent self-lubricating, are competent at pressure by grinding, polishing treatment
Power is no more than 4bar, sealing of the sealing surface sliding velocity in 2m/s or less working condition, profit of the seal process without lubricating oil
Sliding and cooling down reduces the pollution of lubricating oil this pollutant to medium.
To avoid the powder of the fretting wear of rotating ring 301 and stationary ring 201 from falling with the danger in blender, lock chamber (figure
In be not shown) inside be equipped with separation sleeve 104, separation sleeve 104 is set in shaft, formed between separation sleeve 104 and stationary ring 201
Powder collection channel 105 collects the powder that falls of abrasion, prevent discarded powder by sealing flange 101 and shaft it
Between gap fall into blender, be further ensured that health, specifically, the height of separation sleeve 104 is arranged higher than sealing surface.Sealing Method
The bottom of orchid 101 is equipped with powder flow pass 106, powder flow pass 106 and 105 connection of powder collection channel.Pass through powder
Collection channel 105 collects the discarded powder generated when rotating ring 301 and the friction of stationary ring 201, and discarded powder is avoided to fall into other positions,
It is fallen into blender through other positions again.Collect discarded powder from powder flow pass 106 flow out, so as to discard powder and
Shi Qingli；Meanwhile the exit of discarded flow pass is equipped with pipe plug 107 and blocks outlet, avoids discarded powder in operational process
Middle outflow.
When being positive pressure in the present embodiment, in blender, the seal closure power of fastness is mentioned by spring and certain media pressure
For.When being negative pressure in blender, the closing force of fastness is provided by spring force and part atmospheric pressure, to ensure that blender
No matter equipment in process flow is able to maintain No leakage state in which kind of state.
Although the present invention is disclosed above in the preferred embodiment, it is not intended to limit the invention the range of implementation.Any
The those of ordinary skill in field is not departing from invention scope of the invention, improves when can make a little, i.e., all according to this hair
Bright done same improvement, should be the scope of the present invention and is covered.
Claims (9)
1. a kind of dry-type mechanical sealing device for prohibiting grease health blender, which is characterized in that the dry-type mechanical sealing device
It include: static components, moving ring assembly, sealing flange；
The sealing flange is set in shaft, forms lock chamber between the sealing flange and the shaft；
The static components include stationary ring, and the stationary ring is made of silicon carbide, and the stationary ring is fixed in the lock chamber；
The moving ring assembly includes the spring of rotating ring, the rotating seat of the fixed rotating ring, counterbalance spring, the fixed counterbalance spring
Seat, the rotating ring is inlayed by graphite to be made.
2. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the fixation
The inside of chamber is equipped with separation sleeve, and the separation sleeve is set in shaft, forms powder between the separation sleeve and the stationary ring and receives
Collect channel；
The bottom of the sealing flange is equipped with powder flow pass, and the powder flow pass and the powder collection channel join
It is logical.
3. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the fixation
The top of chamber is equipped with the stationary ring pressing plate for fixing the stationary ring, and the stationary ring pressing plate is fixed on the sealing by fixing screws
On flange；
The outside of the stationary ring is equipped with annular convex platform, and the two sides up and down of the annular convex platform are equipped with stationary ring O-ring, the stationary ring
Pressing plate is pressed on stationary ring O-ring.
4. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the stationary ring
O-ring is radial seal O-ring.
5. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the spring
Cover for seat is set in shaft, and the rotating seat is sheathed on the outside of the spring base.
6. prohibiting the dry-type mechanical sealing device of grease health blender as claimed in claim 5, which is characterized in that the spring
Floating type O-ring is equipped between seat and the rotating ring.
7. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the rotating ring
Component further includes tensioner, and the tensioner is sheathed in shaft, and the spring base is fixed on the tensioner by fastening screw
The outside of set；
State type O-ring is equipped between the tensioner and the spring base.
8. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the rotating ring
Component includes group cartridge screw.
9. prohibiting the dry-type mechanical sealing device of grease health blender as described in claim 1, which is characterized in that the sealing
The bottom of flange is equipped with annular groove, is cased with embedded O-ring in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284995.3A CN109163098A (en) | 2018-10-31 | 2018-10-31 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284995.3A CN109163098A (en) | 2018-10-31 | 2018-10-31 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163098A true CN109163098A (en) | 2019-01-08 |
Family
ID=64875498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811284995.3A Pending CN109163098A (en) | 2018-10-31 | 2018-10-31 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163098A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274024A (en) * | 2019-07-13 | 2019-09-24 | 江苏科奥流体科技有限公司 | A kind of vesselseals |
| CN112594396A (en) * | 2020-12-29 | 2021-04-02 | 上海创异流体机械有限公司 | Self-lubricating dry running mechanical seal |
| CN113931869A (en) * | 2021-09-28 | 2022-01-14 | 中核核电运行管理有限公司 | On-line maintenance method for mechanical seal of circulating water pump |
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| JP2006070942A (en) * | 2004-08-31 | 2006-03-16 | Eagle Ind Co Ltd | Mechanical seal device |
| CN203594784U (en) * | 2013-12-06 | 2014-05-14 | 浙江长江搅拌设备有限公司 | Sanitary mechanical sealing device |
| CN204061300U (en) * | 2014-08-25 | 2014-12-31 | 宁波安睦密封科技有限公司 | Stable type high temperature resistance quiet group of mechanical seal device |
| CN205715678U (en) * | 2016-05-04 | 2016-11-23 | 东莞市华汇精密机械有限公司 | A kind of mechanically-sealing apparatus of band spring cylindrical pin |
| CN205978460U (en) * | 2016-08-26 | 2017-02-22 | 昆山福步工业设备有限公司 | Agitator mechanical seal suitable for anhydrous lubrication |
| CN206495967U (en) * | 2016-11-15 | 2017-09-15 | 虞放河 | The cam mechanism of textile machine |
| CN207229750U (en) * | 2017-06-29 | 2018-04-13 | 天津汽车模具股份有限公司 | A kind of automobile die stamping equipment sealing device |
| CN209041568U (en) * | 2018-10-31 | 2019-06-28 | 东莞市华汇精密机械有限公司 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006070942A (en) * | 2004-08-31 | 2006-03-16 | Eagle Ind Co Ltd | Mechanical seal device |
| CN203594784U (en) * | 2013-12-06 | 2014-05-14 | 浙江长江搅拌设备有限公司 | Sanitary mechanical sealing device |
| CN204061300U (en) * | 2014-08-25 | 2014-12-31 | 宁波安睦密封科技有限公司 | Stable type high temperature resistance quiet group of mechanical seal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274024A (en) * | 2019-07-13 | 2019-09-24 | 江苏科奥流体科技有限公司 | A kind of vesselseals |
| CN112594396A (en) * | 2020-12-29 | 2021-04-02 | 上海创异流体机械有限公司 | Self-lubricating dry running mechanical seal |
| CN113931869A (en) * | 2021-09-28 | 2022-01-14 | 中核核电运行管理有限公司 | On-line maintenance method for mechanical seal of circulating water pump |
| CN113931869B (en) * | 2021-09-28 | 2024-06-11 | 中核核电运行管理有限公司 | Online maintenance method for mechanical seal of circulating water pump |
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