CN108730225A - A kind of non-contact chemical industry pump seal of modified - Google Patents
A kind of non-contact chemical industry pump seal of modified Download PDFInfo
- Publication number
- CN108730225A CN108730225A CN201810559842.9A CN201810559842A CN108730225A CN 108730225 A CN108730225 A CN 108730225A CN 201810559842 A CN201810559842 A CN 201810559842A CN 108730225 A CN108730225 A CN 108730225A
- Authority
- CN
- China
- Prior art keywords
- ring
- rotating ring
- spring base
- interior
- flange body
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of non-contact chemical industry pump seals of modified,It is related to technical field of sealing technology,Including flange body,Seal assembly and gland,The seal assembly includes separate unit rank stationary ring,Interior rotating ring,Spring base,Outer rotating ring and outer stationary ring,The separate unit rank stationary ring,Interior rotating ring,Spring base,Outer rotating ring and outer stationary ring are installed in flange body and are limited by the gland of flange body right end successively from left to right,Spring base is T-shaped,Dynamic shell is also socketed on spring base,The both ends of dynamic shell are contacted with interior rotating ring and outer rotating ring respectively,Dynamic shell and interior rotating ring,Interior O-ring is also equipped between outer rotating ring,It is also equipped with filler between the gland and outer stationary ring,The seal assembly of the present invention,It is equipped with dynamic shell again,It can realize effective sealing of chemical pump shaft member,And by means of the effect of spring base,It is built-in on spring base to have elastic component,It can ensure the close contact of rotating ring and stationary ring,Simultaneously,By means of interior O-ring and filler,Its sealing effect can be significantly improved.
Description
Technical field
The present invention relates to technical field of sealing technology, and in particular to a kind of non-contact chemical industry pump seal of modified.
Background technology
Currently, chemical pump is mostly for conveying acid or alkalinity chemical medium, and these media with chemical industry pump seal
After part contact, the components such as the spring in sealing element are easily corroded, especially under strong acid or the effect of highly basic chemical medium, sealing element
Faster, sealing element leads to sealing element seal failure to the speed being corroded after being corroded, and causes chemical industry bump leakage, not only influences chemical industry
The normal work of pump also shortens the service life of sealing element.
China Patent Publication No. is that CN103362856A discloses a kind of high temperature chemical pump sealing device, is equipped with filler pressure
Lid, filler, high temperature P " T " word FE dynamic seals, the gland are mounted on pump case left end, are sleeved on transmission shaft, and filler
It is fixed by bolts on pump case on the left of gland, is the gap of pump case and transmission shaft on the right side of gland, filler is filled in gap,
The filler is made of asbestos leaching graphite material, and high temperature P " T " word FE dynamic seals, high temperature P " T " words FE are equipped on the right side of filler
Dynamic seal is sleeved on transmission shaft, and is fixed on the right side of pump case, and pump case right end installs bearing.But its filler part-time is long
It is easy to loosen, leakproofness still has deficiency.
China Patent Publication No. is that CN205025813U discloses a kind of mechanical seal chemical pump, including pump shaft, shell group
Part and impeller, axle sleeve, rotating seat, rotating ring, stationary ring and elastomeric element in casing assembly, impeller are fixed on the one of pump shaft
End, pump shaft are equipped with the pump shaft shaft shoulder, and rotating seat is set in outside pump shaft with axle sleeve, and rotating seat is connected with axle sleeve and is located at impeller and pump
Between the axis shaft shoulder, rotating seat can be rotated by the clamping of impeller and the pump shaft shaft shoulder and together with axle sleeve, rotating ring, stationary ring and elastic portion
Part is set in outside axle sleeve, and one end of rotating ring connects with rotating seat, and the other end of rotating ring is abutted with one end of stationary ring, stationary ring it is another
One end is abutted with one end of elastomeric element, and the other end of elastomeric element is abutted with casing assembly.As a result, when seal face because it is long when
Between when relatively rotating and being worn, elastomeric element can play the role of buffer compensation, and the elastic force of elastomeric element makes sealed end
Face remains the state of fitting closely.Reasonable in design, service life is long.Although its use seal assembly realize it is close
Envelope, but its seal component architecture is complex, installation maintenance is inconvenient.
Invention content
The purpose of the present invention is to provide a kind of non-contact chemical industry pump seals of modified, to solve to cause in the prior art
Drawbacks described above.
A kind of non-contact chemical industry pump seal of modified, including flange body, seal assembly and gland, the seal assembly
It is the separate unit rank stationary ring, interior rotating ring, spring base, outer dynamic including separate unit rank stationary ring, interior rotating ring, spring base, outer rotating ring and outer stationary ring
Ring and outer stationary ring are installed in flange body and are limited by the gland of flange body right end successively from left to right, and the spring base is
It is T-shaped, dynamic shell is also socketed on spring base, the both ends of dynamic shell are contacted with interior rotating ring and outer rotating ring respectively, seal assembly it is interior
Silicon carbide axle sleeve is also equipped at wall, silicon carbide axle sleeve is fixed by screw and spring base, and the left and right sides of spring base is pacified respectively
Equipped with movable media end throw-out collar and atmosphere end throw-out collar and several springs are installed between the two, move shell and interior rotating ring, outer rotating ring
Between be also equipped with interior O-ring, be also equipped with filler between the gland and outer stationary ring.
Preferably, the shape of the filler is " L " font.
Preferably, the separate unit rank stationary ring is " L " font, and the left side of flange body is equipped with and coordinates with separate unit rank stationary ring
Interior step surface.
Preferably, it is additionally provided with gasket seal between the separate unit rank stationary ring and interior step surface.
Preferably, the side of the flange body is equipped with outer circulation water inlet, and is stayed between spring base and the inner wall of flange body
There is gap.
Preferably, the gland is connect by screw with flange body.
The advantage of the invention is that：The seal assembly of the present invention, then it is equipped with dynamic shell, it can realize chemical pump shaft member
Effectively sealing, and by means of the effect of spring base, it is built-in on spring base to have elastic component, it is ensured that rotating ring and stationary ring it is close
Contact, meanwhile, by means of interior O-ring and filler, its sealing effect can be significantly improved.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Wherein, 1- flange bodies, 2- separate unit rank stationary rings, rotating ring in 3-, 4- spring bases, 5- move shell, the outer rotating rings of 6-, 7- glands,
O-ring in 8-, step surface in 9-, 10- gasket seals, 11- outer circulation water inlets, the outer stationary rings of 12-, 13- fillers, 14- silicon carbide
Axle sleeve, 15- media end throw-out collars, 16- atmosphere end throw-out collars, 17- springs.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Embodiment 1
As shown in Figure 1, a kind of non-contact chemical industry pump seal of modified, including flange body 1, seal assembly and gland 7,
The seal assembly includes separate unit rank stationary ring 2, interior rotating ring 3, spring base 4, outer rotating ring 6 and outer stationary ring 12, the separate unit rank stationary ring
2, interior rotating ring 3, spring base 4, outer rotating ring 6 and outer stationary ring 12 are installed in flange body 1 and right by flange body 1 successively from left to right
The gland 7 at end limits, and the spring base 4 is T-shaped, and dynamic shell 5 is also socketed on spring base 4, move the both ends of shell 5 respectively with it is interior
Rotating ring 3 and outer rotating ring 6 contact, and are also equipped with silicon carbide axle sleeve 14 at the inner wall of seal assembly, silicon carbide axle sleeve 14 passes through screw
It is fixed with spring base 4, the left and right sides of spring base 4 is separately installed with movable media end throw-out collar 15 and atmosphere end throw-out collar 16 and two
Several springs 17 are installed between person, it is dynamic to be also equipped with interior O-ring 8 between shell 5 and interior rotating ring 3, outer rotating ring 6, the gland 7 with
Filler 13 is also equipped between outer stationary ring 12.At work, inner wall is also equipped with an axle sleeve, and the shape of the filler 13 is
" L " font, the separate unit rank stationary ring 2 is " L " font, and the left side of flange body 1 is equipped with the interior platform coordinated with separate unit rank stationary ring 2
Terrace 9 is additionally provided with gasket seal 10 between the separate unit rank stationary ring 2 and interior step surface 9, further increases its sealing effect.
Embodiment 2
As shown in Figure 1, a kind of non-contact chemical industry pump seal of modified, including flange body 1, seal assembly and gland 7,
The seal assembly includes separate unit rank stationary ring 2, interior rotating ring 3, spring base 4, outer rotating ring 6 and outer stationary ring 12, the separate unit rank stationary ring
2, interior rotating ring 3, spring base 4, outer rotating ring 6 and outer stationary ring 12 are installed in flange body 1 and right by flange body 1 successively from left to right
The gland 7 at end limits, and the spring base 4 is T-shaped, and dynamic shell 5 is also socketed on spring base 4, move the both ends of shell 5 respectively with it is interior
Rotating ring 3 and outer rotating ring 6 contact, and are also equipped with silicon carbide axle sleeve 14 at the inner wall of seal assembly, silicon carbide axle sleeve 14 passes through screw
It is fixed with spring base 4, the left and right sides of spring base 4 is separately installed with movable media end throw-out collar 15 and atmosphere end throw-out collar 16 and two
Several springs 17 are installed between person, it is dynamic to be also equipped with interior O-ring 8 between shell 5 and interior rotating ring 3, outer rotating ring 6, the gland 7 with
Filler 13 is also equipped between outer stationary ring 12.At work, inner wall is also equipped with an axle sleeve, and the shape of the filler 13 is
" L " font, the separate unit rank stationary ring 2 is " L " font, and the left side of flange body 1 is equipped with the interior platform coordinated with separate unit rank stationary ring 2
Terrace 9 is additionally provided with gasket seal 10 between the separate unit rank stationary ring 2 and interior step surface 9, further increases its sealing effect.
In the present embodiment, the side of the flange body 1 is equipped with outer circulation water inlet 11, and mating outer circulation can also be arranged
Water out is not shown in figure, and there are gaps between spring base 4 and the inner wall of flange body 1, at work, can pass through this cycle
Water inlet is internally passed through cooling circulation liquid, for cooling down to it, takes away the heat generated when its work, ensures that it is normal
Operation, while extending its service life.
In addition, the gland 7 is connect by screw with flange body 1.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of non-contact chemical industry pump seal of modified, which is characterized in that including flange body (1), seal assembly and gland
(7), the seal assembly includes separate unit rank stationary ring (2), interior rotating ring (3), spring base (4), outer rotating ring (6) and outer stationary ring (12),
The separate unit rank stationary ring (2), interior rotating ring (3), spring base (4), outer rotating ring (6) and outer stationary ring (12) are installed on successively from left to right
It is limited in flange body (1) and by the gland (7) of flange body (1) right end, the spring base (4) is T-shaped, spring base (4)
On be also socketed with dynamic shell (5), the both ends of dynamic shell (5) are contacted with interior rotating ring (3) and outer rotating ring (6) respectively, the inner wall of seal assembly
Place is also equipped with silicon carbide axle sleeve (14), and silicon carbide axle sleeve (14) is fixed by screw and spring base (4), a left side for spring base (4)
Right both sides are separately installed with movable media end throw-out collar (15) and atmosphere end throw-out collar (16) and are equipped with several springs between the two
(17), it moves and is also equipped with interior O-ring (8) between shell (5) and interior rotating ring (3), outer rotating ring (6), the gland (7) and outer stationary ring
(12) filler (13) is also equipped between.
2. the non-contact chemical industry pump seal of a kind of modified according to claim 1, it is characterised in that：The filler (13)
Shape be " L " font.
3. the non-contact chemical industry pump seal of a kind of modified according to claim 2, it is characterised in that：The separate unit rank is quiet
Ring (2) is " L " font, and the left side of flange body (1) is equipped with the interior step surface (9) coordinated with separate unit rank stationary ring (2).
4. the non-contact chemical industry pump seal of a kind of modified according to claim 3, it is characterised in that：The separate unit rank is quiet
Gasket seal (10) is additionally provided between ring (2) and interior step surface (9).
5. the non-contact chemical industry pump seal of a kind of modified according to claim 1, it is characterised in that：The flange body
(1) side is equipped with outer circulation water inlet (11), and there are gaps between spring base (4) and the inner wall of flange body (1).
6. the non-contact chemical industry pump seal of a kind of modified according to claim 1, it is characterised in that：The gland (7)
It is connect with flange body (1) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559842.9A CN108730225A (en) | 2018-06-02 | 2018-06-02 | A kind of non-contact chemical industry pump seal of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559842.9A CN108730225A (en) | 2018-06-02 | 2018-06-02 | A kind of non-contact chemical industry pump seal of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730225A true CN108730225A (en) | 2018-11-02 |
Family
ID=63931988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559842.9A Pending CN108730225A (en) | 2018-06-02 | 2018-06-02 | A kind of non-contact chemical industry pump seal of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730225A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219826A (en) * | 2019-05-23 | 2019-09-10 | 李付伟 | A kind of container-type shaft seal of water pump for mining |
| CN112682347A (en) * | 2020-12-01 | 2021-04-20 | 安徽工程大学 | Non-contact material chemical pump sealing member |
| CN113062982A (en) * | 2021-04-29 | 2021-07-02 | 四川大学 | One-stage pressure reduction rotary dynamic sealing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203023025U (en) * | 2012-11-02 | 2013-06-26 | 任振林 | Double mechanical seal for fluoroplastic pump |
| CN203584881U (en) * | 2013-12-04 | 2014-05-07 | 浙江冠宇密封件有限公司 | Water pump sealing assembly |
| CN203670781U (en) * | 2013-12-26 | 2014-06-25 | 宁波安铱矢密封有限公司 | Crystallization-prevention double-end-face sealing structure |
| 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 |
| CN204300356U (en) * | 2014-04-24 | 2015-04-29 | 天津市合众电缆桥架有限公司 | A kind of novel back-to-back sealing device |
| CN105840834A (en) * | 2016-06-08 | 2016-08-10 | 镇江奥立特机械制造有限公司 | Double-end face mechanical seal |
| CN206738156U (en) * | 2016-12-26 | 2017-12-12 | 江苏优纳特机械有限公司 | A kind of new No leakage roots blower sealing device |
| CN207333279U (en) * | 2017-09-01 | 2018-05-08 | 石家庄市质盛机械密封有限责任公司 | A kind of slurry discharge pump mechanical seal device |
-
2018
- 2018-06-02 CN CN201810559842.9A patent/CN108730225A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203023025U (en) * | 2012-11-02 | 2013-06-26 | 任振林 | Double mechanical seal for fluoroplastic pump |
| 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 |
| CN203584881U (en) * | 2013-12-04 | 2014-05-07 | 浙江冠宇密封件有限公司 | Water pump sealing assembly |
| CN203670781U (en) * | 2013-12-26 | 2014-06-25 | 宁波安铱矢密封有限公司 | Crystallization-prevention double-end-face sealing structure |
| CN204300356U (en) * | 2014-04-24 | 2015-04-29 | 天津市合众电缆桥架有限公司 | A kind of novel back-to-back sealing device |
| CN105840834A (en) * | 2016-06-08 | 2016-08-10 | 镇江奥立特机械制造有限公司 | Double-end face mechanical seal |
| CN206738156U (en) * | 2016-12-26 | 2017-12-12 | 江苏优纳特机械有限公司 | A kind of new No leakage roots blower sealing device |
| CN207333279U (en) * | 2017-09-01 | 2018-05-08 | 石家庄市质盛机械密封有限责任公司 | A kind of slurry discharge pump mechanical seal device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219826A (en) * | 2019-05-23 | 2019-09-10 | 李付伟 | A kind of container-type shaft seal of water pump for mining |
| CN110219826B (en) * | 2019-05-23 | 2024-03-19 | 李付伟 | Integrated shaft seal for mine water pump |
| CN112682347A (en) * | 2020-12-01 | 2021-04-20 | 安徽工程大学 | Non-contact material chemical pump sealing member |
| CN113062982A (en) * | 2021-04-29 | 2021-07-02 | 四川大学 | One-stage pressure reduction rotary dynamic sealing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181102 |