CN110440002A - A kind of experimental branch line horizontal polyester reactor mechanical seal - Google Patents
A kind of experimental branch line horizontal polyester reactor mechanical seal Download PDFInfo
- Publication number
- CN110440002A CN110440002A CN201910852898.8A CN201910852898A CN110440002A CN 110440002 A CN110440002 A CN 110440002A CN 201910852898 A CN201910852898 A CN 201910852898A CN 110440002 A CN110440002 A CN 110440002A
- Authority
- CN
- China
- Prior art keywords
- ring
- interior
- rotating ring
- external annulus
- sealing
- 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.)
- Granted
Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 22
- 238000006116 polymerization reaction Methods 0.000 description 15
- 238000003756 stirring Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- 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
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The present invention relates to a kind of experimental branch line horizontal polyester reactor mechanical seals, including container, end cap, revolving part, machine seals outer ring body, cooling chamber is arranged in the middle part that machine seals outer ring body, the interior stationary ring that setting is successively socketed on revolving part along axial direction in cooling chamber, interior rotating ring, spring base, outer rotating ring, outer stationary ring, sealing ring is set between the external annulus and end cap internal ring wall of interior stationary ring, the rear end face of interior rotating ring and the front end face of interior stationary ring fit, sealing ring is set between the front end internal ring wall and revolving part external annulus of interior rotating ring, spring base is placed in interior rotating ring, between outer rotating ring, sealing ring is set between the tail end internal ring wall and revolving part external annulus of outer rotating ring, the front end face of outer rotating ring and the rear end face of outer stationary ring fit, sealing ring is set between the inner wall of external annulus and machine the envelope outer ring body of outer stationary ring, the front end of the tail end of spring base and interior rotating ring, bullet Axially disposed elastic component between the front end of spring abutment and the tail end of outer rotating ring.
Description
Technical field
The present invention relates to mechanically-sealing apparatus technical field, especially a kind of experimental branch line horizontal polyester reactor is mechanical
Sealing.
Background technique
Chemical fibre industry is consecutive production enterprise, has very high requirement to the continuous and steady operation of equipment.It produces both at home and abroad
It can mainly be introduced by German lucky code, Japanese clock spinning, German Culver Xiu Deng enterprise in the polyester device technology of 200t/d or more；
Though the process flow of above-mentioned each company is slightly distinguished, its capital equipment terminal polymerization kettle all can't steer clear of；In existing equipment, terminal polymerization kettle
Agitating shaft due to its size it is larger, mostly use the form of contact seal to be sealed；Performance is poor, resistance to force down, and heatproof is low,
Revolving speed is low, and the service life is short, wears axle sleeve and power consumption is high, such as 440 axis of Ф at certain model terminal polymerization kettle both ends, and there are 8 oil at every end
Envelope, about 0.7 kilowatt of the resistance power consumption of per pass oil sealing, needs about 100,000 degree of power consumption through measuring and calculating, the electricity charge are i.e. up to every year after tested
About 100,000 yuan.
Therefore provide a kind of experimental branch line horizontal polyester reactor not easy to wear, that sealing performance is excellent is with mechanical seal
Those skilled in the art's technical problem urgently to be solved.
Summary of the invention
It is horizontal poly- that the technical problem to be solved in the present invention is to provide a kind of experimental branch lines not easy to wear, that sealing performance is excellent
Ester reactor mechanical seal.
In order to solve the above technical problems, experimental branch line horizontal polyester reactor mechanical seal provided by the invention, including
Container, end cap, revolving part, machine seal outer ring body, and the tail end of the revolving part passes through end cap and protrudes into setting, the revolving part in container
External annulus and the end cap internal ring wall between clearance fit, the tail end of machine envelope outer ring body is fixedly linked with the end cap,
Cooling chamber is arranged in the middle part of machine envelope outer ring body, setting is successively socketed on revolving part along axial direction in cooling chamber interior stationary ring,
Interior rotating ring, spring base, outer rotating ring, outer stationary ring, the internal ring wall of the interior stationary ring and the external annulus clearance fit of the revolving part, it is interior
The rear side end of stationary ring is nested in the end cap, and sealing ring is arranged between the external annulus and end cap internal ring wall of interior stationary ring, described interior
The rear end face of rotating ring and the front end face of the interior stationary ring fit, the front end internal ring wall of the interior rotating ring and revolving part external annulus it
Between sealing ring is set, the spring base is placed between the interior rotating ring, outer rotating ring, the tail end internal ring wall of the outer rotating ring with it is described
Sealing ring is set between revolving part external annulus, and the front end face of the outer rotating ring and the rear end face of the outer stationary ring fit, described
The external annulus clearance fit of the internal ring wall of outer stationary ring and the revolving part, external annulus and the machine of the outer stationary ring seal the interior of outer ring body
Sealing ring is set between wall, the front end of the tail end of the spring base and the interior rotating ring, the front end of the spring base and described outer
Axially disposed elastic component between the tail end of rotating ring, the machine, which seals, is arranged the sealing liquid entrance communicated with cooling chamber, envelope on outer ring body
Liquid outlet, when use interior rotating ring, outer rotating ring, spring base, elastic component rotated with revolving part, the internal rotating ring of elastic component, outer rotating ring mention
For elastic compensating, sealing liquid enters cooling chamber by liquid sealing inlet, and internal stationary ring, interior rotating ring, spring base, outer rotating ring, outer stationary ring carry out
It is cooling, and circulation is formed by sealing liquid outlet outflow.
Further, the mechanical seal of experimental branch line horizontal polyester reactor further includes interior stationary ring mounting base, the interior stationary ring
The rear end of mounting base is socketed in the end cap, and the front end of the interior stationary ring mounting base is socketed in the machine envelope outer ring body, interior
Sealing ring is set between external annulus on front side of stationary ring mounting base and machine envelope outer ring body inner wall, the front end of the interior stationary ring is socketed in institute
It states in interior stationary ring mounting base.
Further, circumferentially interior stationary ring land, interior stationary ring land rear side is arranged in protrusion in the middle part of the external annulus of the interior stationary ring
External annulus and the end cap internal ring wall between sealing ring is set, the external annulus on front side of interior stationary ring land and the interior stationary ring are pacified
It fills and sealing ring is set between the internal ring wall of seat, to prevent interior stationary ring from leaking.
Further, the mechanical seal of experimental branch line horizontal polyester reactor further includes interior rotating ring mounting base, the installation of outer rotating ring
Seat, the interior rotating ring are nested in the interior rotating ring mounting base, and the outer rotating ring is nested in the outer rotating ring mounting base, described
Circumferentially spring base land, the rear end face of the spring base land and the interior rotating ring is arranged in protrusion in the middle part of the external annulus of spring base
Elastic component is respectively set between mounting base, between the front end face of spring base land and the outer rotating ring mounting base, for realizing axis
To elastic compensating.
Further, between the interior rotating ring mounting base internal ring wall and the spring base external annulus, the outer rotating ring mounting base
There are gaps between internal ring wall and the spring base external annulus, enter interior rotating ring mounting base, outer rotating ring mounting base, bullet convenient for sealing liquid
Spring abutment.
Further, the front end protrusion setting connector sleeve of the end cap, the machine envelope outer ring body are matched with connector sleeve socket
It closes, is easily assembled.
The technical effect of invention: (1) of the invention experimental branch line horizontal polyester reactor mechanical seal, relative to existing
Technology uses mechanical seal to terminal polymerization kettle shaft end, good seal performance, using the rotating ring of superhard material such as silicon carbide material and quiet
Ring mechanical seal can accomplish absolute vacuum to 2MPa, and heatproof can be to 400 DEG C, and revolving speed reaches 500 revs/min, and sealing life
It greatly improves, the mechanical seal service life of superhard material such as silicon-carbide series is in 6-7；(2) to the revolving part essence of assembly
Degree require it is low, even if the head of revolving part, there are the bounce of 1.5mm, mechanical seal still can well be run；(3) due to machinery
The coefficient of friction of sealing is much smaller than oil sealing, therefore can reduce the abrasion of revolving part, while reducing energy consumption；(4) outer ring of interior stationary ring
Wall is sealed using Double seal ring, and sealing ring is arranged between revolving part external annulus respectively in interior rotating ring, outer rotating ring, is improved close
Seal effect.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings of the specification:
Fig. 1 is the schematic diagram of the section structure of the mechanical seal structure for terminal polymerization kettle shaft end of the embodiment of the present invention 1；
Fig. 2 is the partial enlarged view of a-quadrant in Fig. 1.
In figure: stirring axle sleeve 1, terminal polymerization kettle end cap 2, machine seal outer ring body 3, outer race body 4, bearing drive end bearing bracket 5, support shaft
Hold 6, outside framework oil seal 7, sealing liquid entrance 8, lubricating oil entrance 9, cooling chamber 10, interior stationary ring 11, interior rotating ring 12, outer rotating ring 13, outer stationary ring
14, spring base 15, axle spring 16, interior stationary ring mounting base 17, interior rotating ring mounting base 18, outer rotating ring mounting base 19, excessively liquid channel
20, the first sealing ring 21, the second sealing ring 22, third sealing ring 23, the 4th sealing ring 24, the 5th sealing ring 25, the 6th sealing
Circle 26, the 7th sealing ring 27, the 8th sealing ring 28, the 9th sealing ring 29, sealing liquid outlet 80, oil outlet 90.
Specific embodiment
The experimental branch line horizontal polyester reactor mechanical seal of 1 the present embodiment of embodiment, for the shaft end of terminal polymerization kettle,
As shown in Figure 1 to Figure 2, the mechanical seal of experimental branch line horizontal polyester reactor includes terminal polymerization kettle container (not shown), end
Poly- kettle end cap 2, the stirring axle sleeve 1 being socketed in agitating shaft (not shown), machine seal outer ring body 3, and terminal polymerization kettle end cap 2 gathers with whole
Kettle container is tightly connected, and the tail end of stirring axle sleeve 1 passes through terminal polymerization kettle end cap 2 and protrudes into setting, terminal polymerization kettle end cap 2 in terminal polymerization kettle container
Front end protrusion integrally formed connector sleeve is set, stir clearance fit between the external annulus and connector sleeve internal ring wall of axle sleeve 1, even
End cap single order land, end cap second order land, end cap third order PLL platform are set gradually on the internal ring wall of female connector.
The tail end of machine envelope outer ring body 3 is socketed on connector sleeve, and the tail end of machine envelope outer ring body 3 and terminal polymerization kettle end cap 2 are fixed
It is connected, eightth sealing ring 28 of the setting for sealing between connector sleeve outer wall and the inner wall of machine envelope outer ring body 3, machine seals outer ring body 3
Middle part cooling chamber 10 is set, the interior stationary ring 11 being successively socketed on stirring axle sleeve 1 along axial direction, interior rotating ring are set in cooling chamber 10
12, spring base 15, outer rotating ring 13, outer stationary ring 14, the internal ring wall of interior stationary ring 11 and the external annulus clearance fit of stirring axle sleeve 1, it is interior
Circumferentially interior stationary ring land is arranged in protrusion in the middle part of the external annulus of stationary ring 11.
Experimental branch line horizontal polyester reactor mechanical seal further includes interior stationary ring mounting base 17, interior stationary ring mounting base 17
Rear end is socketed in the end cap third order PLL platform of terminal polymerization kettle end cap connector sleeve, and the front end of interior stationary ring mounting base 17 is socketed in machine envelope outer ring
In body 3, the 9th sealing ring 29, interior stationary ring are set between the external annulus and machine envelope 3 inner wall of outer ring body of interior 17 front side of stationary ring mounting base
11 rear side end is nested in the end cap single order land of terminal polymerization kettle end cap connector sleeve, the external annulus and end cap on rear side of interior stationary ring land
Third sealing ring 23 is set between the internal ring wall of second order land, in the external annulus and interior stationary ring mounting base 17 on front side of interior stationary ring land
4th sealing ring 24 is set between ring wall, to prevent interior stationary ring 11 from leaking.
Experimental branch line horizontal polyester reactor mechanical seal further includes interior rotating ring mounting base 18, outer rotating ring mounting base 19,
Interior rotating ring 12 is nested in interior rotating ring mounting base 18, and the rear end face of interior rotating ring 12 and the front end face of interior stationary ring 11 fit, interior dynamic
The 5th sealing ring 25 is set between the front end internal ring wall and stirring 1 external annulus of axle sleeve of ring 12.
Spring base 15 is placed between interior rotating ring 12, outer rotating ring 13, the tail end internal ring wall and stirring 1 outer ring of axle sleeve of outer rotating ring 13
6th sealing ring 26 is set between wall, the front end face of outer rotating ring 13 and the rear end face of outer stationary ring 14 fit, outer stationary ring 14 it is interior
The external annulus clearance fit of ring wall and stirring axle sleeve 1 is arranged the between the inner wall of external annulus and machine the envelope outer ring body 3 of outer stationary ring 14
Seven sealing rings 27, circumferentially protrusion setting spring base land in the middle part of the external annulus of spring base 15, the rear end face of spring base land with
Between interior rotating ring mounting base 18, axial bullet is set respectively in axial direction between the front end face of spring base land and outer rotating ring mounting base 19
Spring 16 is used as elastic component, and the sealing liquid entrance 8 communicated with cooling chamber 10, sealing liquid outlet 80, sealing liquid entrance are arranged on machine envelope outer ring body 3
8 communicate with cooling chamber 10 by liquid channels 20, when use interior rotating ring 12, outer rotating ring 13, spring base 15, axle spring 16 is with stirring
Axle sleeve 1 rotates, and journal box spring 16 provides elastic compensating to interior rotating ring 12, outer rotating ring 13, and sealing liquid enters cooling chamber by liquid sealing inlet 8
10, internal stationary ring 11, interior rotating ring 12, spring base 15, outer rotating ring 13, outer stationary ring 14 are cooled down, and by 80 outflow of sealing liquid outlet
Form circulation.
Spring bearing 6 is arranged in the front end for stirring axle sleeve 1, and spring bearing 6 is set in outer race body 4, by bearing front end
Lid 5 carries out axial limiting to 6 end of spring bearing, and outside framework oil seal 7, the rear end of outer race body 4 is arranged in the two sides of spring bearing 6
Second sealing ring 22, the front end face and bearing drive end bearing bracket 5 of outer race body 4 are set between face and the front end face of machine envelope outer ring body 3
Between the first sealing ring 21 is set, lubricating oil entrance 9, the oil outlet communicated with spring bearing 6 is also set up on bearing drive end bearing bracket 5
90, for lubricating oil to be filled and exported to spring bearing.
Interior stationary ring 11, interior rotating ring 12, outer stationary ring 14, outer rotating ring 13 are superhard material (such as silicon carbide) casting and forming, firmly
Degree is high, and wearability is good.
Preferably, between interior 18 internal ring wall of rotating ring mounting base and 15 external annulus of spring base, outer 19 inner ring of rotating ring mounting base
There are gaps between 15 external annulus of wall and spring base, enter interior rotating ring mounting base 18, outer rotating ring mounting base 19, spring convenient for sealing liquid
Seat 15.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (6)
1. a kind of experimental branch line horizontal polyester reactor mechanical seal, which is characterized in that including container, end cap, revolving part, machine
Outer ring body is sealed, the tail end of the revolving part passes through end cap and protrudes into setting, the external annulus of the revolving part and the end cap in container
The tail end of clearance fit between internal ring wall, the machine envelope outer ring body is fixedly linked with the end cap, in the machine envelope outer ring body
Cooling chamber is arranged in portion, setting is successively socketed on revolving part along axial direction in cooling chamber interior stationary ring, interior rotating ring, spring base, outer dynamic
Ring, outer stationary ring, the internal ring wall of the interior stationary ring and the external annulus clearance fit of the revolving part, the rear side end of interior stationary ring are nested in
In the end cap, sealing ring is set between the external annulus and end cap internal ring wall of interior stationary ring, the rear end face of the interior rotating ring with it is described
The front end face of interior stationary ring fits, and sealing ring is arranged between the front end internal ring wall and revolving part external annulus of the interior rotating ring, described
Spring base is placed between the interior rotating ring, outer rotating ring, between the tail end internal ring wall of the outer rotating ring and the revolving part external annulus
Sealing ring is set, the front end face of the outer rotating ring and the rear end face of the outer stationary ring fit, the internal ring wall of the outer stationary ring and
The external annulus clearance fit of the revolving part, the external annulus and machine of the outer stationary ring, which seal, is arranged sealing between the inner wall of outer ring body
Circle, between the front end of the tail end of the spring base and the interior rotating ring, the front end of the spring base and the tail end of the outer rotating ring
Axially disposed elastic component, is arranged the sealing liquid entrance communicated with cooling chamber on machine envelope outer ring body, sealing liquid exports, and when use is interior
Rotating ring, outer rotating ring, spring base, elastic component are rotated with revolving part, and the internal rotating ring of elastic component, outer rotating ring provide elastic compensating, sealing liquid
Cooling chamber is entered by liquid sealing inlet, internal stationary ring, interior rotating ring, spring base, outer rotating ring, outer stationary ring are cooled down, and gone out by sealing liquid
Mouth outflow forms circulation.
2. experimental branch line horizontal polyester reactor mechanical seal according to claim 1, which is characterized in that in further including
The rear end of stationary ring mounting base, the interior stationary ring mounting base is socketed in the end cap, the front end socket of the interior stationary ring mounting base
In machine envelope outer ring body, sealing ring is set between the external annulus on front side of interior stationary ring mounting base and machine envelope outer ring body inner wall, institute
The front end for stating interior stationary ring is socketed in the interior stationary ring mounting base.
3. experimental branch line horizontal polyester reactor mechanical seal according to claim 2, which is characterized in that described interior quiet
Circumferentially interior stationary ring land is arranged in protrusion in the middle part of the external annulus of ring, the inner ring of external annulus and the end cap on rear side of interior stationary ring land
Sealing ring is set between wall, the external annulus on front side of interior stationary ring land and setting sealing between the internal ring wall of the interior stationary ring mounting base
Circle.
4. experimental branch line horizontal polyester reactor mechanical seal according to claim 3, which is characterized in that in further including
Rotating ring mounting base, outer rotating ring mounting base, the interior rotating ring are nested in the interior rotating ring mounting base, and the outer rotating ring is nested in institute
It states in outer rotating ring mounting base, circumferentially spring base land, the spring seat ring is arranged in protrusion in the middle part of the external annulus of the spring base
Distinguish between the rear end face of platform and the interior rotating ring mounting base, between the front end face of spring base land and the outer rotating ring mounting base
Elastic component is set.
5. experimental branch line horizontal polyester reactor mechanical seal according to claim 4, which is characterized in that described interior dynamic
Between ring mounting base internal ring wall and the spring base external annulus, the outer rotating ring mounting base internal ring wall and the spring base external annulus
Between there are gaps.
6. experimental branch line horizontal polyester reactor mechanical seal according to claim 5, which is characterized in that the end cap
Front end protrusion setting connector sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852898.8A CN110440002B (en) | 2019-09-10 | 2019-09-10 | Mechanical seal for horizontal polyester reactor for chemical fiber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852898.8A CN110440002B (en) | 2019-09-10 | 2019-09-10 | Mechanical seal for horizontal polyester reactor for chemical fiber production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110440002A true CN110440002A (en) | 2019-11-12 |
| CN110440002B CN110440002B (en) | 2024-06-25 |
Family
ID=68439777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910852898.8A Active CN110440002B (en) | 2019-09-10 | 2019-09-10 | Mechanical seal for horizontal polyester reactor for chemical fiber production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440002B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906365A (en) * | 2023-08-17 | 2023-10-20 | 丹东盛欣石化设备制造有限公司 | Mechanical sealing device of horizontal pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402397A (en) * | 2016-11-28 | 2017-02-15 | 胡炜平 | Novel enamel reaction still single-end-face mechanical seal |
| CN206539531U (en) * | 2015-12-31 | 2017-10-03 | 宁波精科机械密封件制造有限公司 | A kind of mechanical seal of gas-liquid mixing pump |
| CN108757483A (en) * | 2018-06-02 | 2018-11-06 | 芜湖市中天密封件有限公司 | A kind of efficiently non-contact chemical industry pump seal |
| CN210531608U (en) * | 2019-09-10 | 2020-05-15 | 江苏傲赛工业密封有限公司 | Mechanical seal for horizontal polyester reactor for chemical fiber production |
-
2019
- 2019-09-10 CN CN201910852898.8A patent/CN110440002B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206539531U (en) * | 2015-12-31 | 2017-10-03 | 宁波精科机械密封件制造有限公司 | A kind of mechanical seal of gas-liquid mixing pump |
| CN106402397A (en) * | 2016-11-28 | 2017-02-15 | 胡炜平 | Novel enamel reaction still single-end-face mechanical seal |
| CN108757483A (en) * | 2018-06-02 | 2018-11-06 | 芜湖市中天密封件有限公司 | A kind of efficiently non-contact chemical industry pump seal |
| CN210531608U (en) * | 2019-09-10 | 2020-05-15 | 江苏傲赛工业密封有限公司 | Mechanical seal for horizontal polyester reactor for chemical fiber production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906365A (en) * | 2023-08-17 | 2023-10-20 | 丹东盛欣石化设备制造有限公司 | Mechanical sealing device of horizontal pump |
| CN116906365B (en) * | 2023-08-17 | 2024-03-15 | 丹东盛欣石化设备制造有限公司 | Mechanical sealing device of horizontal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110440002B (en) | 2024-06-25 |
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