CN115163933A - Double-end-face feeding and discharging pipe sealing device - Google Patents
Double-end-face feeding and discharging pipe sealing device Download PDFInfo
- Publication number
- CN115163933A CN115163933A CN202210599482.1A CN202210599482A CN115163933A CN 115163933 A CN115163933 A CN 115163933A CN 202210599482 A CN202210599482 A CN 202210599482A CN 115163933 A CN115163933 A CN 115163933A
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- sealing ring
- sealing panel
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- 238000007789 sealing Methods 0.000 title claims abstract description 219
- 238000007599 discharging Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000007306 turnover Effects 0.000 claims abstract description 17
- 239000004519 grease Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 238000000227 grinding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000009837 dry grinding Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Images
Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/025—Sealing the pipe being movable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The application provides bi-polar face business turn over material pipe sealing device includes: the first sealing ring and the second sealing ring are sleeved on the feeding and discharging pipe; the annular spring is sleeved on the feeding and discharging pipe and is fixedly connected with the feeding and discharging pipe; the first sealing panel and the second sealing panel are annular, one side face of the first sealing panel is attached to the equipment end cover or the flange, and the other side face of the first sealing panel is attached to the side face of the first sealing ring; the side surface of the second sealing panel is attached to the side surface of the second sealing ring; and the sealing cover ring is sleeved on the outer circumferences of the first sealing panel and the second sealing panel and fixed with the first sealing panel and the second sealing panel, and a closed sealing cavity is formed among the first sealing panel, the second sealing panel and the third sealing panel. The sealing device has good sealing performance, can be suitable for sealing under the deflection working condition, and has long service life.
Description
Technical Field
The application provides a dynamic sealing device, especially a bi-polar face solid material sealing device that is used for ball mill business turn over material pipe department.
Background
The ball mill is a key equipment for crushing materials after the materials are crushed, and the ore mill of the type is characterized in that a certain amount of steel balls are filled in a cylinder body of the ore mill to be used as grinding media, and the ore mill is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, and is used for dry or wet grinding of various ores and other grindable materials.
In a conventional ball mill for dry grinding, a groove is generally formed in a bushing, and a joint surface is filled with a rubber strip, an asbestos packing, a V-seal, a felt, or the like. However, the sealing structures have the disadvantages of quick abrasion, poor effect and short service life; and frequent slurry leakage pollutes the field environment. The sealing performance of the connection part of the feed port and the discharge port of the ball mill is poor, external dust can be prevented from invading the ball mill when internal grinding is conducted, impurities can be prevented from appearing in the ground raw materials, even the internal dust raw materials of the ball mill are poor in sealing effect when grinding, internal air pressure leakage is caused, the situation that the grinding materials leak from the connection port can occur, the working efficiency is reduced, and the cost is increased.
Disclosure of Invention
The utility model provides a bi-polar face business turn over material pipe sealing device, this sealing device not only sealing performance is good, can be adapted to the sealing under the beat operating mode moreover, and long service life that lack in the above-mentioned background art has been solved to this application.
The technical scheme for realizing the purpose of the application is as follows:
the utility model provides a bi-polar face business turn over material pipe sealing device, sets up between business turn over material pipe and equipment end cover or flange, and equipment end cover or flange cover are around business turn over material pipe rotatory on business turn over material pipe, bi-polar face business turn over material pipe sealing device includes:
the first sealing ring and the second sealing ring are sleeved on the feeding and discharging pipe and are fixedly connected with the feeding and discharging pipe;
the annular spring is sleeved on the feeding and discharging pipe, is connected and fixed with the feeding and discharging pipe and is positioned between the first sealing ring and the second sealing ring, and two sides of the annular spring are respectively contacted with the side surfaces of the first sealing ring and the second sealing ring and apply axial elastic thrust to the first sealing ring and the second sealing ring; the section of the annular spring is M-shaped, a rubber cushion is arranged between the inner circumference of the annular spring and the feeding and discharging pipe, and a connecting bolt for tightly hooping and fixing the annular spring on the feeding and discharging pipe is arranged on the outer circumference of the annular spring;
the first sealing panel and the second sealing panel are both annular, one side face of the first sealing panel is attached to an equipment end cover or a flange, and the other side face of the first sealing panel is attached to the side face of the first sealing ring; the side surface of the second sealing panel is attached to the side surface of the second sealing ring;
the fixing bolts are arranged on the second sealing panel and the first sealing panel, are uniformly distributed along the circumferential direction, and fix the second sealing panel and the first sealing panel on the equipment end cover or the flange;
the sealing cover ring is sleeved on the outer circumferences of the first sealing panel and the second sealing panel and fixed with the first sealing panel and the second sealing panel, a closed sealing cavity is formed among the first sealing panel, the second sealing panel and the third sealing panel, a grease injection pipe joint used for filling sealing grease into the sealing cavity is arranged on the sealing cover ring, and the sealing grease is injected into the sealing cavity through the grease injection pipe joint.
The first sealing ring and the second sealing ring are made of felt or rubber, and the clamp is arranged on the outer circumferences of the first sealing ring and the second sealing ring.
And a connecting bolt is arranged on the outer circular surface of the sealing cover ring, the sealing cover ring is fixed with the first sealing panel and the second sealing panel through welding and the connecting bolt, and the side edge of the sealing cover ring is welded and fixed with the equipment end cover or the flange.
And two side surfaces of the annular spring are fixedly connected with the side surfaces of the first sealing ring and the second sealing ring in an adhesive manner.
Compared with the prior art, the double-end-face feeding and discharging pipe sealing device provided by the application has the following advantages: 1. the sealing mode is changed into double-end-face sealing in a breakthrough mode, the effective sealing area is large, grease sealing is increased between the first end-face sealing and the second end-face sealing, the grease sealing can lubricate a friction contact surface between the first/second sealing ring and the first/second sealing panel while playing a sealing effect, and the abrasion of the first/second sealing ring is reduced. 2. Adopt end face seal in this application, consequently sealed face is radial, when producing radial beat when the ball mill operation, because the direction of beat is unanimous with the direction of sealed face, consequently this application can keep sealed effect under radial beat operating mode. When axial deflection is generated, because the annular spring always applies axial elastic thrust to the first sealing ring and the second sealing ring, and in addition, the first/second sealing rings are made of flexible materials, the axial deflection can be adapted through axial displacement or local elastic deformation. 3. The first/second seal ring may be worn during long-term use due to friction between the first/second seal ring and the first/second seal panel. In order to avoid wearing and tearing to the influence of sealed effect, promote sealing device's life simultaneously, this problem of annular spring that sets up in this application can be further solved. Because the both sides of ring spring contact with the side of first sealing ring and second sealing ring respectively and exert axial elastic thrust to first sealing ring and second sealing ring, consequently can make first sealing ring and second sealing ring keep hugging closely with sealed panel constantly, also can keep hugging closely after first sealing ring and second sealing ring produce wearing and tearing to guarantee sealed effect and improve life.
Drawings
Fig. 1 is a schematic overall structural view of a double-end-face material inlet and outlet pipe sealing device provided by the invention;
in the figure: 1-equipment end cover, 2-material inlet and outlet pipe, 3-first sealing ring, 4-second sealing ring, 5-first sealing panel, 6-second sealing panel, 7-fixing bolt, 8-sealing cover ring, 9-grease injection pipe joint, 10-annular spring, 11-connecting bolt, 12-hoop and 13-rubber cushion.
Detailed Description
The present application will be described in detail below with reference to the accompanying drawings, but the scope of the present application is not limited to the following embodiments.
The utility model provides a pair of bi-polar face business turn over material pipe sealing device's structure is shown in figure 1, and the device sets up between business turn over material pipe 2 and equipment end cover 1, and wherein the equipment end cover is overlapped on business turn over material pipe and around business turn over material pipe rotation, bi-polar face business turn over material pipe sealing device includes following part: the first sealing ring and the second sealing ring are sleeved on the feeding and discharging pipe and are fixedly connected with the feeding and discharging pipe; the first sealing ring 3 and the second sealing ring 4 are made of felt or rubber, and the outer circumferences of the first sealing ring and the second sealing ring are provided with clamping hoops 12.
The annular spring 10 is sleeved on the feeding and discharging pipe, is connected and fixed with the feeding and discharging pipe, is positioned between the first sealing ring and the second sealing ring, and two sides of the annular spring are respectively contacted with the side surfaces of the first sealing ring and the second sealing ring and apply axial elastic thrust to the first sealing ring and the second sealing ring; the section of the annular spring is M-shaped, a rubber cushion 13 is arranged between the inner circumference of the annular spring and the feeding and discharging pipe, and a connecting bolt 11 for tightly fastening and fixing the annular spring on the feeding and discharging pipe is arranged on the outer circumference of the annular spring. And two side surfaces of the annular spring are fixedly connected with the side surfaces of the first sealing ring and the second sealing ring in an adhesive manner. The first/second seal ring may be worn during long-term use due to friction between the first/second seal ring and the first/second seal panel. In order to avoid wearing and tearing to the influence of sealed effect, promote sealing device's life simultaneously, the ring spring that sets up in this application can further solve this problem. Because the both sides of ring spring contact with the side of first sealing ring and second sealing ring respectively and exert axial elastic thrust to first sealing ring and second sealing ring, consequently can make first sealing ring and second sealing ring keep hugging closely with sealed panel constantly, also can keep hugging closely after first sealing ring and second sealing ring produce wearing and tearing to guarantee sealed effect and improve life.
The sealing device comprises a first sealing panel 5 and a second sealing panel 6, wherein the first sealing panel and the second sealing panel are both annular, one side surface of the first sealing panel is attached to the equipment end cover, and the other side surface of the first sealing panel is attached to the side surface of a first sealing ring; the side surface of the second sealing panel is attached to the side surface of the second sealing ring; fixing bolts 7 are installed on the second sealing panel and the first sealing panel, are uniformly distributed along the circumferential direction, and fix the second sealing panel and the first sealing panel on the equipment end cover.
The sealing cover ring 8 is sleeved on the outer circumferences of the first sealing panel and the second sealing panel and fixed with the first sealing panel and the second sealing panel, a closed sealing cavity is formed between the first sealing panel and the second sealing panel, a grease injection pipe joint 9 used for filling grease into the sealing cavity is arranged on the sealing cover ring, the grease is injected between the first end face seal and the second end face seal through the grease injection pipe joint, the grease seal achieves a sealing effect, meanwhile, the friction contact surface between the first sealing ring and the first sealing panel and the friction contact surface between the second sealing ring and the first sealing panel can be lubricated, and abrasion of the first sealing ring and the second sealing ring is reduced. And a connecting bolt is arranged on the outer circular surface of the sealing cover ring, the sealing cover ring is fixed with the first sealing panel and the second sealing panel through welding and the connecting bolt, and the side edge of the sealing cover ring is welded and fixed with the equipment end cover.
Claims (4)
1. The utility model provides a bi-polar face business turn over material pipe sealing device, sets up between business turn over material pipe and equipment end cover or flange, and equipment end cover or flange cover are on business turn over material pipe and around business turn over material pipe rotation, its characterized in that: the two-end face material inlet and outlet pipe sealing device comprises:
the first sealing ring and the second sealing ring are sleeved on the feeding and discharging pipe and are fixedly connected with the feeding and discharging pipe;
the annular spring is sleeved on the feeding and discharging pipe, is connected and fixed with the feeding and discharging pipe and is positioned between the first sealing ring and the second sealing ring, and two sides of the annular spring are respectively contacted with the side surfaces of the first sealing ring and the second sealing ring and apply axial elastic thrust to the first sealing ring and the second sealing ring; the section of the annular spring is M-shaped, a rubber pad is arranged between the inner circumference of the annular spring and the feeding and discharging pipe, and a connecting bolt for tightly hooping and fixing the annular spring on the feeding and discharging pipe is arranged on the outer circumference of the annular spring;
the first sealing panel and the second sealing panel are annular, one side face of the first sealing panel is attached to the equipment end cover or the flange, and the other side face of the first sealing panel is attached to the side face of the first sealing ring; the side surface of the second sealing panel is attached to the side surface of the second sealing ring;
the fixing bolts are arranged on the second sealing panel and the first sealing panel, are uniformly distributed along the circumferential direction, and fix the second sealing panel and the first sealing panel on the equipment end cover or the flange;
the sealing cover ring is sleeved on the outer circumferences of the first sealing panel and the second sealing panel and fixed with the first sealing panel and the second sealing panel, a closed sealing cavity is formed among the first sealing panel, the second sealing panel and the third sealing panel, a grease injection pipe joint used for filling sealing grease into the sealing cavity is arranged on the sealing cover ring, and the sealing grease is injected into the sealing cavity through the grease injection pipe joint.
2. The double-ended feed and discharge tube sealing device of claim 1, wherein: the first sealing ring and the second sealing ring are made of felt or rubber, and the clamp is arranged on the outer circumferences of the first sealing ring and the second sealing ring.
3. The double-ended feed and discharge tube sealing device of claim 1, wherein: and a connecting bolt is arranged on the outer circular surface of the sealing cover ring, the sealing cover ring is fixed with the first sealing panel and the second sealing panel through welding and the connecting bolt, and the side edge of the sealing cover ring is welded and fixed with the equipment end cover or the flange.
4. The double-ended feed and discharge tube sealing device of claim 1, wherein: and two side surfaces of the annular spring are fixedly connected with the side surfaces of the first sealing ring and the second sealing ring in an adhesive manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210599482.1A CN115163933A (en) | 2022-05-30 | 2022-05-30 | Double-end-face feeding and discharging pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210599482.1A CN115163933A (en) | 2022-05-30 | 2022-05-30 | Double-end-face feeding and discharging pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115163933A true CN115163933A (en) | 2022-10-11 |
Family
ID=83483549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210599482.1A Pending CN115163933A (en) | 2022-05-30 | 2022-05-30 | Double-end-face feeding and discharging pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115163933A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204511526U (en) * | 2015-01-07 | 2015-07-29 | 中国航空动力机械研究所 | Seal arrangement |
| CN105299234A (en) * | 2015-11-04 | 2016-02-03 | 中国航空动力机械研究所 | Sealing device and aircraft engine with same |
| CN105971924A (en) * | 2016-05-31 | 2016-09-28 | 北京航天动力研究所 | Circumferential sectioned helium sealing device for oxygen turbine pump of hydrogen oxygen engine |
| CN205715670U (en) * | 2016-03-23 | 2016-11-23 | 江苏牧羊控股有限公司 | A kind of shaft sealing device |
| CN108494144A (en) * | 2018-05-04 | 2018-09-04 | 苏州瑞纳电气科技有限公司 | A kind of axle sealing structure of the grease lubrication of motor axis |
| CN110553037A (en) * | 2019-08-26 | 2019-12-10 | 江门市鑫辉特种密封科技有限公司 | Radial multi-lip labyrinth seal device for rotating shaft |
| CN111188905A (en) * | 2020-02-28 | 2020-05-22 | 中国华能集团清洁能源技术研究院有限公司 | double-Y-shaped sealing ring and directional grease discharging sealing device with same |
| CN213393538U (en) * | 2020-06-24 | 2021-06-08 | 邓能华 | Oil-proof and dust-proof backflow sealing device |
| CN216045435U (en) * | 2021-07-30 | 2022-03-15 | 江门市鑫辉特种密封科技有限公司 | Built-in axial oil seal device |
| CN114458764A (en) * | 2022-01-26 | 2022-05-10 | 江门市鑫辉特种密封科技有限公司 | Built-in type multi-direction multi-lip sealing device |
-
2022
- 2022-05-30 CN CN202210599482.1A patent/CN115163933A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204511526U (en) * | 2015-01-07 | 2015-07-29 | 中国航空动力机械研究所 | Seal arrangement |
| CN105299234A (en) * | 2015-11-04 | 2016-02-03 | 中国航空动力机械研究所 | Sealing device and aircraft engine with same |
| CN205715670U (en) * | 2016-03-23 | 2016-11-23 | 江苏牧羊控股有限公司 | A kind of shaft sealing device |
| CN105971924A (en) * | 2016-05-31 | 2016-09-28 | 北京航天动力研究所 | Circumferential sectioned helium sealing device for oxygen turbine pump of hydrogen oxygen engine |
| CN108494144A (en) * | 2018-05-04 | 2018-09-04 | 苏州瑞纳电气科技有限公司 | A kind of axle sealing structure of the grease lubrication of motor axis |
| CN110553037A (en) * | 2019-08-26 | 2019-12-10 | 江门市鑫辉特种密封科技有限公司 | Radial multi-lip labyrinth seal device for rotating shaft |
| CN111188905A (en) * | 2020-02-28 | 2020-05-22 | 中国华能集团清洁能源技术研究院有限公司 | double-Y-shaped sealing ring and directional grease discharging sealing device with same |
| CN213393538U (en) * | 2020-06-24 | 2021-06-08 | 邓能华 | Oil-proof and dust-proof backflow sealing device |
| CN216045435U (en) * | 2021-07-30 | 2022-03-15 | 江门市鑫辉特种密封科技有限公司 | Built-in axial oil seal device |
| CN114458764A (en) * | 2022-01-26 | 2022-05-10 | 江门市鑫辉特种密封科技有限公司 | Built-in type multi-direction multi-lip sealing device |
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