CN116906365B - Mechanical sealing device of horizontal pump - Google Patents
Mechanical sealing device of horizontal pump Download PDFInfo
- Publication number
- CN116906365B CN116906365B CN202311037646.2A CN202311037646A CN116906365B CN 116906365 B CN116906365 B CN 116906365B CN 202311037646 A CN202311037646 A CN 202311037646A CN 116906365 B CN116906365 B CN 116906365B
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- Prior art keywords
- ring
- movable ring
- movable
- liquid
- sealing
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 151
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of mechanical sealing and discloses a mechanical sealing device of a horizontal pump, which comprises a pump body, wherein one side of the pump body is provided with a mounting hole, a driving shaft is arranged in the mounting hole in a penetrating manner, a first sealing ring is arranged on the inner wall of the mounting hole, a static ring is arranged on the side surface of the first sealing ring, and the static ring is sleeved at the circumference of the driving shaft; one end of the driving shaft extending into the pump body is provided with a movable ring mounting seat with an annular structure, one side of the movable ring mounting seat, which is close to the stationary ring, is provided with a movable ring through a buffer spring, and the other side, which is close to the stationary ring, of the movable ring is provided with an adaptive inclined surface; the inner wall of the pump body is provided with the horizontally arranged mounting rod, one end of the mounting rod is provided with the fixed cover with the annular structure, the invention realizes that the pumping liquid in the pump body can fully contact with the side wall of the movable ring and realize heat exchange, and the liquid flows away from the periphery of the movable ring in time after heat exchange, thereby effectively promoting the flow of the liquid around the movable ring and improving the heat exchange effect.
Description
Technical Field
The invention relates to the technical field of mechanical sealing, in particular to a mechanical sealing device of a horizontal pump.
Background
The mechanical rotary sealing device of the horizontal centrifugal pump in the prior art generally comprises a movable ring and a stationary ring, wherein the stationary ring is fixedly and hermetically connected with a casing through a sealing ring, the movable ring is sleeved on a rotating shaft and rotates along with the rotating shaft, a butt end face with relative rotary friction is arranged between the movable ring and the stationary ring, rotary airtight surface precision is arranged between the end faces, the movable ring keeps proper butt pressure between the butt end faces of the movable ring and the stationary ring through the action of a butt spring at the other end, the sealing effect between the movable ring and the stationary ring is ensured, the movable ring generates a large amount of heat due to friction between the movable ring and the stationary ring in the process of driving the rotating shaft to drive the movable ring to rotate, and the existing mechanical sealing result of the horizontal pump has the problem that the heat dissipation effect of the movable ring is poor in use.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a mechanical sealing device of a horizontal pump.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the mechanical sealing device of the horizontal pump comprises a pump body, wherein one side of the pump body is provided with a mounting hole, a driving shaft penetrates through the inside of the mounting hole, a first sealing ring is installed on the inner wall of the mounting hole, a static ring is arranged on the side surface of the first sealing ring, and the static ring is sleeved at the circumference of the driving shaft; one end of the driving shaft extending into the pump body is provided with a movable ring mounting seat with an annular structure, one side of the movable ring mounting seat, which is close to the stationary ring, is provided with a movable ring through a buffer spring, and the other side, which is close to the stationary ring, of the movable ring is provided with an adaptive inclined surface; the inner wall of the pump body is provided with a horizontally arranged mounting rod, one end of the mounting rod is provided with a fixed cover with an annular structure, the fixed cover is sleeved on the circumferential outer wall of the movable ring, and a heat exchange cavity is arranged between the fixed cover and the movable ring; a groove is formed in one side wall of the movable ring, and a movable liquid pushing component is arranged in the groove through a mounting spring; the inner wall of one side of the fixed cover is provided with a fixed bulge, the side wall of the fixed cover is provided with a liquid inlet hole and a liquid outlet hole, the opening of the liquid outlet hole is positioned at one side of the fixed bulge, and the liquid outlet hole and the liquid inlet hole are respectively arranged at two sides of the driving shaft; the movable liquid pushing component and the fixing protrusion are of cambered surface structures at one sides close to each other, and one end of the fixing protrusion close to the movable ring is in contact with the side surface of the movable ring.
Preferably, the inner wall of the groove is provided with a telescopic guiding component, one end of the telescopic guiding component is connected with one end of the movable liquid pushing component, and the telescopic guiding component is used for guiding the movement of the movable liquid pushing component in the groove.
Preferably, the inner walls of the liquid outlet hole and the liquid inlet hole are obliquely arranged.
Preferably, one end of the movable ring, which is close to the movable ring mounting seat, is provided with a horizontally arranged guide rod, one side of the movable ring mounting seat, which is close to the movable ring, is provided with a guide groove, and one end, which is far away from the movable ring, of the guide rod extends to the inside of the guide groove and is used for guiding the movement of the movable ring relative to the movable ring mounting seat.
Preferably, one end of the movable ring, which is close to the movable ring mounting seat, is provided with a sealing ring with an annular structure, one end of the movable ring, which is close to the movable ring, is provided with a sealing groove with an annular structure, one end, which is far away from the movable ring, of the sealing ring extends to the inside of the sealing groove, the guide rod and the buffer spring are positioned in the sealing ring, and the sealing ring shields and seals a gap between the movable ring and the movable ring mounting seat.
Preferably, a second sealing ring is arranged on the contact surface between the fixed cover and the outer wall of the movable ring and used for sealing between the fixed cover and the movable ring.
Preferably, the stirring flank of L type structure is installed to the circumference lateral wall of moving ring mount pad for stir the outside liquid of fixed cover.
The beneficial effects of the invention are as follows:
when the pump is used, the first sealing ring seals between the stationary ring and the mounting hole, the driving shaft drives the movable ring mounting seat and the movable ring to rotate in the pump body, the buffer spring pushes one end of the movable ring to ensure that the contact surfaces of the movable ring and the stationary ring are effectively contacted to ensure the sealing effect, at the moment, the movable ring rotates relative to the fixed cover, liquid pumped in the pump body flows to the inside of the heat exchange cavity through the liquid inlet and the liquid outlet and exchanges heat with the movable ring, in the rotating process of the movable ring, the mounting spring pushes the movable liquid pushing part to move in a direction away from the driving shaft, one side of the movable liquid pushing part is ensured to be in close contact with the inner wall of the fixed cover, so that the movable liquid pushing part is driven by the movable ring to rotate, when the position of the movable liquid pushing part is staggered with the opening of the liquid inlet, namely, the movable liquid pushing part and the liquid outlet are both positioned between the fixed bulge and the liquid outlet, the movable liquid pushing part pushes and the liquid outlet are pushed to extrude liquid between the liquid outlet hole under the interception of the fixed bulge, the liquid pushing part is pushed out of the fixed bulge and the fixed bulge, the liquid pushing part is pushed out of the heat exchange cavity is continuously, and the liquid is pushed to flow from the inner side of the fixed bulge in the fixed bulge when the inner cavity is pushed out of the fixed bulge, and the liquid pushing part is pushed to continuously to move in the heat exchange cavity, and the liquid is pushed and the inner cavity is continuously pushed and the liquid in the heat exchange cavity is pushed and the liquid is pushed and pushed down to move in the liquid cavity, the pumping liquid in the pump body can fully contact with the side wall of the movable ring and realize heat exchange, and the liquid flows away from the periphery of the movable ring in time after heat exchange, so that the flow of the liquid around the movable ring is effectively promoted, and the heat exchange effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical sealing device for a horizontal pump according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a moving ring and a stationary cover of a mechanical seal device for a horizontal pump according to an embodiment of the present invention;
fig. 3 is an enlarged view of a partial structure at a in fig. 1.
In the figure: the pump comprises a 1-pump body, a 2-first sealing ring, a 3-static ring, a 4-driving shaft, a 5-mounting hole, a 6-mounting rod, a 7-fixed cover, an 8-stirring flank, a 9-moving ring mounting seat, a 10-liquid inlet hole, an 11-moving ring, a 12-liquid outlet hole, a 13-heat exchange cavity, a 14-groove, a 15-movable liquid pushing component, a 16-fixed protrusion, a 17-mounting spring, a 18-telescopic guide component, a 19-buffer spring, a 20-sealing ring, a 21-sealing groove, a 22-guiding groove, a 23-guiding rod and a 24-second sealing ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 3, a mechanical sealing device of a horizontal pump comprises a pump body 1, wherein one side of the pump body 1 is provided with a mounting hole 5, a driving shaft 4 is arranged in the mounting hole 5 in a penetrating manner, a first sealing ring 2 is arranged on the inner wall of the mounting hole 5, a static ring 3 is arranged on the side surface of the first sealing ring 2, and the static ring 3 is sleeved at the circumference of the driving shaft 4; one end of the driving shaft 4 extending into the pump body 1 is provided with a movable ring mounting seat 9 with an annular structure, one side of the movable ring mounting seat 9, which is close to the stationary ring 3, is provided with a movable ring 11 through a buffer spring 19, and the sides of the movable ring 11, which are close to each other, are provided with matched inclined surfaces; the inner wall of the pump body 1 is provided with a horizontally arranged mounting rod 6, one end of the mounting rod 6 is provided with a fixed cover 7 with an annular structure, the fixed cover 7 is sleeved on the circumferential outer wall of the movable ring 11, and a heat exchange cavity 13 is arranged between the fixed cover 7 and the movable ring 11; a groove 14 is formed in one side wall of the movable ring 11, and a movable liquid pushing component 15 is arranged in the groove 14 through a mounting spring 17; the inner wall of one side of the fixed cover 7 is provided with a fixed bulge 16, the side wall of the fixed cover 7 is provided with a liquid inlet hole 10 and a liquid outlet hole 12, the opening of the liquid outlet hole 12 is positioned at one side of the fixed bulge 16, and the liquid outlet hole 12 and the liquid inlet hole 10 are respectively arranged at two sides of the driving shaft 4; the movable liquid pushing component 15 and the fixed protrusion 16 are of cambered surface structures on the sides close to each other, and one end of the fixed protrusion 16 close to the movable ring 11 is in contact with the side surface of the movable ring 11.
When the movable liquid pushing device is used, the first sealing ring 2 seals the space between the stationary ring 3 and the mounting hole 5, the driving shaft 4 drives the movable ring mounting seat 9 and the movable ring 11 to rotate in the pump body 1, the buffer spring 19 pushes one end of the movable ring 11 to ensure that the contact surface of the movable ring 11 and the stationary ring 3 is effectively contacted, the sealing effect is ensured, at the moment, the movable ring 11 rotates relative to the fixed cover 7, liquid pumped in the pump body 1 flows into the heat exchange cavity 13 through the liquid inlet hole 10 and the liquid outlet hole 12 and exchanges heat with the movable ring 11, the mounting spring 17 pushes the movable liquid pushing part 15 to move in a direction away from the driving shaft 4 in the rotating process of the movable ring 11, one side of the movable liquid pushing part 15 away from the driving shaft 4 is ensured to be in close contact with the inner wall of the fixed cover 7, so that when the movable ring 11 drives the movable liquid pushing part 15 to rotate, the position of the movable liquid pushing part 15 moves to be staggered with the opening of the liquid inlet hole 10, namely, when the movable liquid pushing component 15 and the liquid outlet hole 12 are positioned between the fixed bulge 16 and the liquid inlet hole 10, the movable liquid pushing component 15 pushes and extrudes liquid between the liquid inlet hole 10 and the liquid outlet hole 12, the liquid between the liquid inlet hole 10 and the liquid outlet hole 12 is ejected from the opening of the liquid outlet hole 12 under the pushing and extrusion action of the movable liquid pushing component 15 due to the interception of the fixed bulge 16, namely, the liquid after heat exchange in the heat exchange cavity 13 is extruded, when the movable liquid pushing component 15 is contacted with the fixed bulge 16, the movable liquid pushing component 15 compresses the mounting spring 17 under the pushing action of the cambered surface of the fixed bulge 16 until the movable liquid pushing component 15 is pushed into the groove 14 by the fixed bulge 16, at the moment, the movable liquid pushing component 15 and the fixed bulge 16 are staggered mutually, the movable liquid pushing component 15 continuously dials the liquid in the heat exchange cavity 13, the liquid pumped in the pump body 1 flows to the heat exchange cavity 13 from the openings of the liquid inlet holes 10 and the liquid outlet holes 12 in a reciprocating manner, and the liquid in the heat exchange cavity 13 is sprayed into the pump body 1 from the openings of the liquid inlet holes 10 and the liquid outlet holes 12 under the pushing action of the movable liquid pushing component 15 in a reciprocating manner, so that the pumped liquid in the pump body 1 can fully contact with the side wall of the movable ring 11 and realize heat exchange, and flows away from the periphery of the movable ring 11 in time after heat exchange, thereby effectively promoting the flow of the liquid around the movable ring 11 and improving the heat exchange effect.
As a preferred embodiment of the present invention, a telescopic guide member 18 is mounted on the inner wall of the recess 14, and one end of the telescopic guide member 18 is connected to one end of the movable liquid pushing member 15 for guiding the movement of the movable liquid pushing member 15 in the recess 14.
As a preferred embodiment of the present invention, the inner walls of the liquid outlet hole 12 and the liquid inlet hole 10 are inclined, so that the liquid ejected from the openings of the liquid inlet hole 10 and the liquid outlet hole 12 flows in a direction away from the stationary ring 3, and the liquid after heat exchange can be effectively away from the movable ring 11.
As a preferred embodiment of the present invention, one end of the moving ring 11, which is close to the moving ring mounting seat 9, is provided with a horizontally arranged guide rod 23, one side of the moving ring mounting seat 9, which is close to the moving ring 11, is provided with a guide groove 22, and one end of the guide rod 23, which is far from the moving ring 11, extends into the guide groove 22 for guiding the movement of the moving ring 11 relative to the moving ring mounting seat 9.
As a preferred embodiment of the invention, one end of the movable ring 11, which is close to the movable ring mounting seat 9, is provided with a sealing ring 20 with an annular structure, one end of the movable ring mounting seat 9, which is close to the movable ring 11, is provided with a sealing groove 21 with an annular structure, one end of the sealing ring 20, which is far away from the movable ring 11, extends to the inside of the sealing groove 21, a guide rod 23 and a buffer spring 19 are positioned in the sealing ring 20, the sealing ring 20 shields and seals a gap between the movable ring 11 and the movable ring mounting seat 9, and impurities in liquid are prevented from being blocked between the movable ring mounting seat 9 and the movable ring 11 to influence the action effect of the buffer spring 19.
As a preferred embodiment of the present invention, the contact surface between the fixed cover 7 and the outer wall of the movable ring 11 is provided with a second seal ring 24 for sealing between the fixed cover 7 and the movable ring 11.
As a preferred embodiment of the invention, the stirring side wings 8 with an L-shaped structure are arranged on the circumferential side wall of the movable ring mounting seat 9 and are used for stirring the liquid outside the fixed cover 7, so that the liquid ejected from the openings of the liquid inlet holes 10 and the liquid outlet holes 12 can effectively flow out from the periphery of the fixed cover 7, and the situation that the liquid after heat exchange flows into the heat exchange cavity 13 is avoided.
The working principle of the invention is as follows: when the movable liquid pushing device is used, the first sealing ring 2 seals the space between the stationary ring 3 and the mounting hole 5, the driving shaft 4 drives the movable ring mounting seat 9 and the movable ring 11 to rotate in the pump body 1, the buffer spring 19 pushes one end of the movable ring 11 to ensure that the contact surface of the movable ring 11 and the stationary ring 3 is effectively contacted, the sealing effect is ensured, at the moment, the movable ring 11 rotates relative to the fixed cover 7, liquid pumped in the pump body 1 flows into the heat exchange cavity 13 through the liquid inlet hole 10 and the liquid outlet hole 12 and exchanges heat with the movable ring 11, the mounting spring 17 pushes the movable liquid pushing part 15 to move in a direction away from the driving shaft 4 in the rotating process of the movable ring 11, one side of the movable liquid pushing part 15 away from the driving shaft 4 is ensured to be in close contact with the inner wall of the fixed cover 7, so that when the movable ring 11 drives the movable liquid pushing part 15 to rotate, the position of the movable liquid pushing part 15 moves to be staggered with the opening of the liquid inlet hole 10, namely, when the movable liquid pushing component 15 and the liquid outlet hole 12 are positioned between the fixed bulge 16 and the liquid inlet hole 10, the movable liquid pushing component 15 pushes and extrudes liquid between the liquid inlet hole 10 and the liquid outlet hole 12, the liquid between the liquid inlet hole 10 and the liquid outlet hole 12 is ejected from the opening of the liquid outlet hole 12 under the pushing and extrusion action of the movable liquid pushing component 15 due to the interception of the fixed bulge 16, namely, the liquid after heat exchange in the heat exchange cavity 13 is extruded, when the movable liquid pushing component 15 is contacted with the fixed bulge 16, the movable liquid pushing component 15 compresses the mounting spring 17 under the pushing action of the cambered surface of the fixed bulge 16 until the movable liquid pushing component 15 is pushed into the groove 14 by the fixed bulge 16, at the moment, the movable liquid pushing component 15 and the fixed bulge 16 are staggered mutually, the movable liquid pushing component 15 continuously dials the liquid in the heat exchange cavity 13, the liquid pumped in the pump body 1 flows to the heat exchange cavity 13 from the openings of the liquid inlet holes 10 and the liquid outlet holes 12 in a reciprocating manner, and the liquid in the heat exchange cavity 13 is sprayed into the pump body 1 from the openings of the liquid inlet holes 10 and the liquid outlet holes 12 under the pushing action of the movable liquid pushing component 15 in a reciprocating manner, so that the pumped liquid in the pump body 1 can fully contact with the side wall of the movable ring 11 and realize heat exchange, and flows away from the periphery of the movable ring 11 in time after heat exchange, thereby effectively promoting the flow of the liquid around the movable ring 11 and improving the heat exchange effect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The mechanical sealing device of the horizontal pump comprises a pump body (1), wherein one side of the pump body (1) is provided with a mounting hole (5), and a driving shaft (4) is arranged in the mounting hole (5) in a penetrating manner;
one end of the driving shaft (4) extending into the pump body (1) is provided with a movable ring mounting seat (9) with an annular structure, one side of the movable ring mounting seat (9) close to the stationary ring (3) is provided with a movable ring (11) through a buffer spring (19), and the sides of the movable ring (11) and the stationary ring (3) close to each other are provided with adaptive inclined surfaces;
the inner wall of the pump body (1) is provided with a horizontally arranged mounting rod (6), one end of the mounting rod (6) is provided with a fixed cover (7) with an annular structure, the fixed cover (7) is sleeved on the circumferential outer wall of the movable ring (11), and a heat exchange cavity (13) is arranged between the fixed cover (7) and the movable ring (11);
a groove (14) is formed in one side wall of the movable ring (11), and a movable liquid pushing component (15) is arranged in the groove (14) through a mounting spring (17);
a fixing protrusion (16) is arranged on the inner wall of one side of the fixing cover (7), a liquid inlet hole (10) and a liquid outlet hole (12) are formed in the side wall of the fixing cover (7), an opening of the liquid outlet hole (12) is positioned on one side of the fixing protrusion (16), and the liquid outlet hole (12) and the liquid inlet hole (10) are respectively arranged on two sides of the driving shaft (4);
one side of the movable liquid pushing component (15) and one side of the fixed protrusion (16) which are close to each other are of cambered surface structures, and one end of the fixed protrusion (16) which is close to the movable ring (11) is contacted with the side surface of the movable ring (11).
2. A mechanical seal for a horizontal pump according to claim 1, wherein the inner wall of the recess (14) is provided with a telescopic guiding member (18), one end of the telescopic guiding member (18) being connected to one end of the movable liquid pushing member (15) for guiding the movement of the movable liquid pushing member (15) in the recess (14).
3. The mechanical sealing device of the horizontal pump according to claim 1, wherein the inner walls of the liquid outlet hole (12) and the liquid inlet hole (10) are obliquely arranged.
4. The mechanical sealing device for the horizontal pump according to claim 1, wherein one end of the movable ring (11) close to the movable ring mounting seat (9) is provided with a horizontally arranged guide rod (23), one side of the movable ring mounting seat (9) close to the movable ring (11) is provided with a guide groove (22), and one end of the guide rod (23) far away from the movable ring (11) extends to the inside of the guide groove (22) for guiding the movement of the movable ring (11) relative to the movable ring mounting seat (9).
5. The mechanical sealing device for the horizontal pump according to claim 4, wherein a sealing ring (20) with an annular structure is arranged at one end of the movable ring (11) close to the movable ring mounting seat (9), a sealing groove (21) with an annular structure is formed at one end of the movable ring mounting seat (9) close to the movable ring (11), one end of the sealing ring (20) far away from the movable ring (11) extends to the inside of the sealing groove (21), a guide rod (23) and a buffer spring (19) are positioned in the sealing ring (20), and the sealing ring (20) shields and seals a gap between the movable ring (11) and the movable ring mounting seat (9).
6. A mechanical seal for a horizontal pump according to claim 1, characterized in that the contact surface between the stationary cover (7) and the outer wall of the moving ring (11) is provided with a second sealing ring (24) for sealing between the stationary cover (7) and the moving ring (11).
7. A mechanical seal device for a horizontal pump according to claim 1, wherein the circumferential side wall of the movable ring mounting seat (9) is provided with stirring wings (8) of L-shaped structure for stirring the liquid outside the fixed cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311037646.2A CN116906365B (en) | 2023-08-17 | 2023-08-17 | Mechanical sealing device of horizontal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311037646.2A CN116906365B (en) | 2023-08-17 | 2023-08-17 | Mechanical sealing device of horizontal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116906365A CN116906365A (en) | 2023-10-20 |
| CN116906365B true CN116906365B (en) | 2024-03-15 |
Family
ID=88356600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311037646.2A Active CN116906365B (en) | 2023-08-17 | 2023-08-17 | Mechanical sealing device of horizontal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116906365B (en) |
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| GB1074036A (en) * | 1964-07-08 | 1967-06-28 | Bbc Brown Boveri & Cie | Improvements in and relating to seals for rotating shafts |
| US5149249A (en) * | 1990-02-21 | 1992-09-22 | Mannesmann Ag | Shaft seal assembly, especially for high-pressure turbocompressors |
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| CN108397396A (en) * | 2018-04-11 | 2018-08-14 | 宜兴市宙斯泵业有限公司 | A kind of anti-corrosion centrifugal pump packaging type single mechanical end face seal |
| CN110440002A (en) * | 2019-09-10 | 2019-11-12 | 江苏傲赛工业密封有限公司 | A kind of experimental branch line horizontal polyester reactor mechanical seal |
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| JP4111698B2 (en) * | 2001-08-31 | 2008-07-02 | イーグル工業株式会社 | Mechanical seal device |
| US9217441B2 (en) * | 2013-08-20 | 2015-12-22 | Westinghouse Electric Company Llc | Pump seal with thermal retracting actuator |
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|---|---|---|---|---|
| GB1074036A (en) * | 1964-07-08 | 1967-06-28 | Bbc Brown Boveri & Cie | Improvements in and relating to seals for rotating shafts |
| US5149249A (en) * | 1990-02-21 | 1992-09-22 | Mannesmann Ag | Shaft seal assembly, especially for high-pressure turbocompressors |
| CN101131208A (en) * | 2006-09-18 | 2008-02-27 | 丹东克隆集团有限责任公司 | Anticlogging mechanical sealing device |
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| CN108397396A (en) * | 2018-04-11 | 2018-08-14 | 宜兴市宙斯泵业有限公司 | A kind of anti-corrosion centrifugal pump packaging type single mechanical end face seal |
| CN110440002A (en) * | 2019-09-10 | 2019-11-12 | 江苏傲赛工业密封有限公司 | A kind of experimental branch line horizontal polyester reactor mechanical seal |
| CN211737533U (en) * | 2020-01-07 | 2020-10-23 | 上海远安流体设备科技有限公司 | Mechanical seal structure and pump device |
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| Publication number | Publication date |
|---|---|
| CN116906365A (en) | 2023-10-20 |
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