CN110500409B - Micro-convex body cluster surface mechanical seal with function of reducing microbial adhesion - Google Patents
Micro-convex body cluster surface mechanical seal with function of reducing microbial adhesion Download PDFInfo
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- CN110500409B CN110500409B CN201910859651.9A CN201910859651A CN110500409B CN 110500409 B CN110500409 B CN 110500409B CN 201910859651 A CN201910859651 A CN 201910859651A CN 110500409 B CN110500409 B CN 110500409B
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- 230000000813 microbial effect Effects 0.000 title description 6
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 244000005700 microbiome Species 0.000 claims abstract description 13
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 241000251730 Chondrichthyes Species 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010071 organism adhesion Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000238586 Cirripedia Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007306 turnover Effects 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
-
- 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
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The micro-convex body cluster surface mechanical seal with the function of reducing microorganism adhesion comprises a static ring and a dynamic ring, wherein the static ring is a hollow cylinder with steps, a cylindrical large ring and a cylindrical small ring are coaxially overlapped, the end face of the small ring forms a sealing surface, and the end face of the large ring is provided with an annular shoulder surface; the end face of the movable ring comprises a first annular surface at the inner side and a second annular surface at the outer side, and the first annular surface is jointed with the end face of the small ring to form a sealing surface; the side surface of the large ring is adjacent to the upper half part of the sealing surface, the side surface of the small ring, the annular shoulder surface, the second annular surface and the side surface of the movable ring are provided with micro-convex body clusters; the micro-convex body cluster consists of a plurality of mutually parallel and equally-spaced micro-columns, each micro-column consists of a rectangle and a semicircle at the end part of the rectangle, the long axis and the short axis of the micro-column are mutually perpendicular, and the short axis of the micro-column is positioned on the central axis of the micro-convex body cluster; the shapes of adjacent microprotrusion clusters are complementary. The invention reduces the adhesion of organisms near the periphery of the sealing surface, strengthens the heat dissipation of the sealing ring, and improves the corrosion resistance and the reliability.
Description
Technical Field
The invention relates to an end face mechanical sealing structure with a function of reducing microbial corrosion, which is particularly suitable for shaft end sealing devices of rotating mechanical shafts with low leakage in various marine fields.
Background
The marine environment has a lot of specificity relative to the land, so the mechanical seal applied in marine equipment works more severely. Particularly, marine organism fouling problems bring a plurality of damages to mechanical seals applied to marine equipment, marine organism fouling organisms are easy to adhere to friction pairs of the mechanical seals, corrosion and abrasion of sealing end faces can be accelerated, so that the leakage amount of the mechanical seals is increased, the service life is shortened, and the mechanical seals are disabled when serious. In view of this situation, it is necessary to develop a mechanical seal device that prevents the attachment of marine biofouling organisms and reduces the corrosion of microorganisms, so that the mechanical seal is minimally affected by corrosion during operation, thereby reducing the leakage and prolonging the service life thereof.
At present, many researches indicate that the skin of the shark of the large marine animal has a complex surface morphology structure, and the morphology structure of the biological surface can effectively prevent or inhibit the adhesion of organisms. According to the mechanism of preventing marine organisms from adhering to the shark, brennan et al, scardino, de Nys, magin et al developed SHARKLET AFTM microstructure materials by using an etching and turnover method, and proved that the adhesion of algae, barnacles and other fouling marine organisms can be effectively prevented, and the adhesion rate is reduced by about 85%. The spiral circumferential groove is used as a propelling device to exchange energy with the medium to generate pumping action, and the generated pumping pressure head is balanced with the pressure of the sealed medium, so that leakage is effectively prevented.
According to the mechanism of marine fouling organism adhesion and the mechanism of circumferential grooves of the shark skin surface morphology structure, an end face mechanical sealing structure with the function of reducing microbial corrosion can be designed, so that marine organism adhesion is prevented or inhibited, and the purpose of prolonging the service life is achieved.
Disclosure of Invention
Aiming at the defect or deficiency that the end face seal applied to the ocean is easy to be attached by marine fouling organisms at present, the invention provides the end face mechanical seal structure with the function of reducing the microbial adhesion, which has the advantages of less microbial corrosion, less leakage, good stability and high reliability.
The invention is realized by the following technical scheme:
The utility model provides a little convex body cluster surface mechanical seal with reduce microorganism and adhere function, includes quiet ring (1) and rotating ring (3), the terminal surface of quiet ring (1) and the terminal surface close fit of rotating ring (3) constitute sealed face (9), its characterized in that:
The static ring (1) is a hollow cylinder with steps, wherein a cylindrical large ring (4) and a cylindrical small ring (5) are coaxially overlapped, the end face of the small ring (5) forms a sealing face (9), and the end face of the large ring (4) connected with the small ring (5) forms an annular shoulder face (10); the movable ring (3) is a hollow cylinder, and the end face of the movable ring (3) comprises a first annular surface on the inner side and a second annular surface on the outer side, wherein the first annular surface is jointed with the end face of the small ring (5) to form a sealing surface (9);
The side surface of the large ring (4) is adjacent to the upper half part of the sealing surface (9) and is provided with a first microprotrusion cluster (6 a), the side surface of the small ring (5) is provided with a second microprotrusion cluster (6 b), the annular shoulder surface (10) is provided with a third microprotrusion cluster (6 c), the second annular surface on the end surface of the movable ring (3) is provided with a fourth microprotrusion cluster (6 d), and the side surface of the movable ring (3) is provided with a fifth microprotrusion cluster (6 e);
Each micro-convex body cluster consists of a plurality of equal-width micro-columns (2) which are parallel to each other and are equidistant, each micro-column (2) consists of a rectangle and a semicircle at the end part of the rectangle, the long axis and the short axis of the micro-column (2) are mutually perpendicular, and the short axis of the micro-column (2) is positioned on the central axis of the micro-convex body cluster; the shapes of adjacent microprotrusion clusters are complementary;
The shapes and structures of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) are the same, and the central axes of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) and the central axis of the stationary ring (1) form a given angle alpha along the rotation direction of the rotating shaft;
The shapes and structures of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) and the fifth micro-convex body cluster (6 e) are the same, and the central axes of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) point to the center of the annular shoulder surface (10); the central axis of the fifth microprotrusion cluster (6 e) is parallel to the central axis of the movable ring.
The shape complementation between adjacent microprotrusion clusters refers to that the sum of the lengths of the opposite microcolumns of the adjacent microprotrusion clusters keeps a stable value so as to form equal-width gaps between the adjacent microprotrusion clusters.
Preferably, the inner and outer radiuses of the large ring (4) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the small ring (5) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the annular shoulder surface (10) are respectively R o and R o, and the outer radius of the second annular surface outside the end surface of the movable ring (3) is R; the sizes of the major axis and the minor axis of the microcolumn of the first microcolumn cluster (6 a) are (1-3) R o/ro times the corresponding sizes of the microcolumn of the second microcolumn cluster (6 b), the sizes of the major axis and the minor axis of the microcolumn of the third microcolumn cluster (6 c) are (1/3-1) R o/R times the corresponding sizes of the microcolumn of the fourth microcolumn cluster (6 d), and the corresponding sizes of the microcolumn of the fifth microcolumn cluster (6 e) and the microcolumn of the fourth microcolumn cluster (6 d) are equal.
Preferably, the inner and outer radiuses of the large ring (4) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the small ring (5) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the annular shoulder surface (10) are respectively R o and R o, and the inner and outer radiuses of the second annular surface outside the end surface of the movable ring (3) are respectively R and R; the sizes of the major axis and the minor axis of the microcolumn of the first microprotrusion cluster (6 a) are 1-3 times R o/ro times the corresponding size of the microcolumn of the second microprotrusion cluster (6 b), the sizes of the major axis and the minor axis of the microcolumn of the third microprotrusion cluster (6 c) are 1/3-1 times R o/R times the corresponding size of the microcolumn of the fourth microprotrusion cluster (6 d), the corresponding sizes of the microcolumn of the fifth microprotrusion cluster (6 e) and the microcolumn of the fourth microprotrusion cluster (6 d) are equal, and a relation r= (1.05-1.10) R o is satisfied between the inner radius R of the second annular surface outside the end surface of the movable ring (3), namely the inner radius R of the fourth microprotrusion cluster (6 d), and the outer radius R o of the sealing surface (9), wherein when R i is more than or equal to 24.5mm, the coefficient takes a smaller value such as 1.06, and otherwise takes a larger value such as 1.09.
Preferably, each microprotrusion cluster (including a first microprotrusion cluster (6 a), a second microprotrusion cluster (6 b), a third microprotrusion cluster (6 c), a fourth microprotrusion cluster (6 d) and a fifth microprotrusion cluster (6 e)) is composed of microcolumns (2) with different lengths in the same ellipse, and the major axis of each microcolumn (2) is 1-3 times the minor axis.
Preferably, the microcolumns (2) of each of the microprotrusion clusters gradually decrease in length from the middle to both ends.
Preferably, the angle alpha between the central axis of the first micro-convex body cluster (6 a) and the central axis of the second micro-convex body cluster (6 b) and the central axis of the static ring is 35-90 degrees.
The invention has the following beneficial effects:
(1) Micro-convex body clusters with micro-scale imitation shark skin surface morphology are processed on the outer diameter side surface of the stationary ring, the annular shoulder surface and the sealing end surface of the movable ring, so that marine microorganisms are made to feel bad and uncomfortable and are difficult to adhere, and finally, the microorganisms are prevented from entering the sealing end surface, thereby achieving the purpose of reducing corrosion of the microorganisms to mechanical sealing;
(2) As the micro-convex body clusters imitating the surface morphology of the shark skin are processed on the outer peripheral surface of the stationary ring and the outer peripheral surface of the movable ring, the mechanical seal can strengthen heat dissipation in the running process and reduce the temperature of the end face. Compared with the traditional liquid mechanical seal, the micro-convex body cluster surface mechanical seal with the function of reducing microorganism adhesion has the characteristics of reducing microorganism corrosion, enhancing heat dissipation and prolonging the service life;
(3) The micro-convex body cluster structure imitating the surface morphology of the shark skin has good effect, is easy to process and is suitable for end face sealing.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2a is a schematic view of the moving ring of the present invention;
FIG. 2b is a schematic view of a stationary ring of the present invention;
Wherein: 1-a stationary ring; 2-microcolumns of microprotrusion clusters; 3-moving ring; 4-macrocycles; 5-small ring; 6-microprotrusion clusters; 7-short axis of microcolumn; 8-long axis of microcolumn; 9-sealing surface; 10-annular shoulder surface.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings.
With reference to the drawings of the present application,
The utility model provides a little convex body cluster surface mechanical seal with reduce microorganism and adhere function, includes quiet ring (1) and rotating ring (3), the terminal surface of quiet ring (1) and the terminal surface close fit of rotating ring (3) constitute sealed face (9), its characterized in that:
The static ring (1) is a hollow cylinder with steps, wherein a cylindrical large ring (4) and a cylindrical small ring (5) are coaxially overlapped, the end face of the small ring (5) forms a sealing face (9), and the end face of the large ring (4) connected with the small ring (5) forms an annular shoulder face (10); the movable ring (3) is a hollow cylinder, and the end face of the movable ring (3) comprises a first annular surface on the inner side and a second annular surface on the outer side, wherein the first annular surface is jointed with the end face of the small ring (5) to form a sealing surface (9);
The side surface of the large ring (4) is adjacent to the upper half part of the sealing surface (9) and is provided with a first microprotrusion cluster (6 a), the side surface of the small ring (5) is provided with a second microprotrusion cluster (6 b), the annular shoulder surface (10) is provided with a third microprotrusion cluster (6 c), the second annular surface on the end surface of the movable ring (3) is provided with a fourth microprotrusion cluster (6 d), and the side surface of the movable ring (3) is provided with a fifth microprotrusion cluster (6 e);
Each micro-convex body cluster consists of a plurality of equal-width micro-columns (2) which are parallel to each other and are equidistant, each micro-column (2) consists of a rectangle and a semicircle at the end part of the rectangle, the long axis and the short axis of the micro-column (2) are mutually perpendicular, and the short axis of the micro-column (2) is positioned on the central axis of the micro-convex body cluster; the shapes of adjacent microprotrusion clusters are complementary;
The shapes and structures of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) are the same, and the central axes of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) and the central axis of the stationary ring (1) form a given angle alpha along the rotation direction of the rotating shaft;
The shapes and structures of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) and the fifth micro-convex body cluster (6 e) are the same, and the central axes of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) point to the center of the annular shoulder surface (10); the central axis of the fifth microprotrusion cluster (6 e) is parallel to the central axis of the movable ring.
Preferably, the inner and outer radiuses of the large ring (4) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the small ring (5) of the static ring (1) are respectively R i and R o, the inner and outer radiuses of the annular shoulder surface (10) are respectively R o and R o, and the inner and outer radiuses of the second annular surface outside the end surface of the movable ring (3) are respectively R and R; the sizes of the major axis and the minor axis of the microcolumn of the first microprotrusion cluster (6 a) are 1-3 times R o/ro times the corresponding sizes of the microcolumn of the second microprotrusion cluster (6 b), the sizes of the major axis and the minor axis of the microcolumn of the third microprotrusion cluster (6 c) are 1/3-1 times R o/R times the corresponding sizes of the microcolumn of the fourth microprotrusion cluster (6 d), the corresponding sizes of the microcolumn of the fifth microprotrusion cluster (6 e) and the microcolumn of the fourth microprotrusion cluster (6 d) are equal, and the relation r= (1.05-1.10) R o is satisfied between the inner radius R of the second annular surface outside the end face of the movable ring (3), namely the inner radius R of the fourth microprotrusion cluster (6 d), and the outer radius R o of the sealing surface (9).
The inner and outer radiuses of a large ring (4) of the stationary ring (1) are respectively R i and R o, the inner and outer radiuses of a small ring (5) of the stationary ring (1) are respectively R i and R o, the inner and outer radiuses of the annular shoulder surface (10) are respectively R o and R o, and the outer radius of a second annular surface outside the end surface of the movable ring (3) is R; the sizes of the major axis and the minor axis of the microcolumn of the first microcolumn cluster (6 a) are (1-3) R o/ro times the corresponding sizes of the microcolumn of the second microcolumn cluster (6 b), the sizes of the major axis and the minor axis of the microcolumn of the third microcolumn cluster (6 c) are (1/3-1) R o/R times the corresponding sizes of the microcolumn of the fourth microcolumn cluster (6 d), and the corresponding sizes of the microcolumn of the fifth microcolumn cluster (6 e) and the microcolumn of the fourth microcolumn cluster (6 d) are equal.
Each microprotrusion cluster (comprising a first microprotrusion cluster (6 a), a second microprotrusion cluster (6 b), a third microprotrusion cluster (6 c), a fourth microprotrusion cluster (6 d) and a fifth microprotrusion cluster (6 e)) consists of microcolumns with different lengths in the same ellipse, and the long axis of each microcolumn is 1-3 times of the short axis.
The lengths of the microcolumns (2) of each microprotrusion cluster gradually decrease from the middle to the two ends.
The angle alpha between the central axes of the first microprotrusion cluster (6 a) and the second microprotrusion cluster (6 b) and the central axis of the static ring is 35-90 degrees.
The invention reduces the adhesion of sealing medium microorganisms on the sealing ring, particularly the periphery adjacent to the sealing surface, strengthens the heat dissipation of the sealing ring, improves the corrosion resistance and reliability of the mechanical seal, and effectively prolongs the service life.
What has been described in this specification is merely an enumeration of possible forms of the inventive concept and the scope of protection of the present invention should not be construed as limited to the specific forms set forth, but also including equivalent technical means as would occur to one skilled in the art based on the inventive concept.
Claims (3)
1. The utility model provides a little convex body cluster surface mechanical seal with reduce microorganism and adhere function, includes quiet ring (1) and rotating ring (3), the terminal surface of quiet ring (1) and the terminal surface close fit of rotating ring (3) constitute sealed face (9), its characterized in that:
The static ring (1) is a hollow cylinder with steps, wherein a cylindrical large ring (4) and a cylindrical small ring (5) are coaxially overlapped, the end face of the small ring (5) forms a sealing face (9), and the end face of the large ring (4) connected with the small ring (5) forms an annular shoulder face (10); the movable ring (3) is a hollow cylinder, and the end face of the movable ring (3) comprises a first annular surface on the inner side and a second annular surface on the outer side, wherein the first annular surface is jointed with the end face of the small ring (5) to form a sealing surface (9);
The side surface of the large ring (4) is adjacent to the upper half part of the sealing surface (9) and is provided with a first microprotrusion cluster (6 a), the side surface of the small ring (5) is provided with a second microprotrusion cluster (6 b), the annular shoulder surface (10) is provided with a third microprotrusion cluster (6 c), the second annular surface on the end surface of the movable ring (3) is provided with a fourth microprotrusion cluster (6 d), and the side surface of the movable ring (3) is provided with a fifth microprotrusion cluster (6 e);
Each micro-convex body cluster consists of a plurality of equal-width micro-columns (2) which are parallel to each other and are equidistant, each micro-column (2) consists of a rectangle and a semicircle at the end part of the rectangle, the long axis and the short axis of the micro-column (2) are mutually perpendicular, and the short axis of the micro-column (2) is positioned on the central axis of the micro-convex body cluster; the shapes of adjacent microprotrusion clusters are complementary;
The shapes and structures of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) are the same, and the central axes of the first micro-convex body clusters (6 a) and the second micro-convex body clusters (6 b) and the central axis of the stationary ring (1) form a given angle alpha along the rotation direction of the rotating shaft;
the shapes and structures of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) and the fifth micro-convex body cluster (6 e) are the same, and the central axes of the third micro-convex body cluster (6 c) and the fourth micro-convex body cluster (6 d) point to the center of the annular shoulder surface (10); the central axis of the fifth microprotrusion cluster (6 e) is parallel to the central axis of the movable ring;
each microprotrusion cluster consists of microcolumns (2) which are positioned in the same ellipse and have different lengths, the lengths of the microcolumns (2) are gradually reduced from the middle to the two ends, and the long axis of each microcolumn is 1-3 times of the short axis.
2. The micro-convex cluster surface mechanical seal with microorganism adhesion reducing function according to claim 1, wherein: the inner and outer radiuses of the large ring (4) of the stationary ring (1) are respectively R i and R o, the inner and outer radiuses of the small ring (5) of the stationary ring (1) are respectively R i and R o, the inner and outer radiuses of the annular shoulder surface (10) are respectively R o and R o, and the inner and outer radiuses of the second annular surface outside the end surface of the movable ring (3) are respectively R and R; the sizes of the major axis and the minor axis of the microcolumn of the first microprotrusion cluster (6 a) are 1-3 times R o/ro times the corresponding sizes of the microcolumn of the second microprotrusion cluster (6 b), the sizes of the major axis and the minor axis of the microcolumn of the third microprotrusion cluster (6 c) are 1/3-1 times R o/R times the corresponding sizes of the microcolumn of the fourth microprotrusion cluster (6 d), the corresponding sizes of the microcolumn of the fifth microprotrusion cluster (6 e) and the microcolumn of the fourth microprotrusion cluster (6 d) are equal, and the relation r= (1.05-1.10) R o is satisfied between the inner radius R of the second annular surface outside the end face of the movable ring (3), namely the inner radius R of the fourth microprotrusion cluster (6 d), and the outer radius R o of the sealing surface (9).
3. The micro-convex cluster surface mechanical seal with microorganism adhesion reducing function according to claim 1, wherein: the angle alpha between the central axes of the first microprotrusion cluster (6 a) and the second microprotrusion cluster (6 b) and the central axis of the static ring is 35-90 degrees.
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| CN201910859651.9A CN110500409B (en) | 2019-09-11 | 2019-09-11 | Micro-convex body cluster surface mechanical seal with function of reducing microbial adhesion |
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| CN201910859651.9A CN110500409B (en) | 2019-09-11 | 2019-09-11 | Micro-convex body cluster surface mechanical seal with function of reducing microbial adhesion |
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| CN110500409B true CN110500409B (en) | 2024-06-07 |
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| CN103122998A (en) * | 2013-02-26 | 2013-05-29 | 浙江工业大学 | Sharkskin imitation streamline groove end face mechanical sealing structure |
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| CN106439023A (en) * | 2016-07-28 | 2017-02-22 | 浙江工业大学 | Cosine curve mechanical seal end surface structure |
| CN106838323A (en) * | 2017-03-30 | 2017-06-13 | 浙江工业大学 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
| CN107228196A (en) * | 2017-07-06 | 2017-10-03 | 浙江工业大学 | Augmentation of heat transfer type ternary bending micro-bulge end surface mechanical sealing structure |
| CN210600175U (en) * | 2019-09-11 | 2020-05-22 | 浙江工业大学 | Mechanical seal with micro-convex cluster surface having function of reducing microbial adhesion |
-
2019
- 2019-09-11 CN CN201910859651.9A patent/CN110500409B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122998A (en) * | 2013-02-26 | 2013-05-29 | 浙江工业大学 | Sharkskin imitation streamline groove end face mechanical sealing structure |
| CN106015580A (en) * | 2016-07-27 | 2016-10-12 | 浙江工业大学 | Dynamic and static pressure type cylindrical micro-convex body waviness distribution mechanical sealing structure |
| CN106439023A (en) * | 2016-07-28 | 2017-02-22 | 浙江工业大学 | Cosine curve mechanical seal end surface structure |
| CN106838323A (en) * | 2017-03-30 | 2017-06-13 | 浙江工业大学 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
| CN107228196A (en) * | 2017-07-06 | 2017-10-03 | 浙江工业大学 | Augmentation of heat transfer type ternary bending micro-bulge end surface mechanical sealing structure |
| CN210600175U (en) * | 2019-09-11 | 2020-05-22 | 浙江工业大学 | Mechanical seal with micro-convex cluster surface having function of reducing microbial adhesion |
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