CN110762222A - Spindle sealing device of horizontal centrifuge - Google Patents
Spindle sealing device of horizontal centrifuge Download PDFInfo
- Publication number
- CN110762222A CN110762222A CN201911099056.6A CN201911099056A CN110762222A CN 110762222 A CN110762222 A CN 110762222A CN 201911099056 A CN201911099056 A CN 201911099056A CN 110762222 A CN110762222 A CN 110762222A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- shell
- shaft sleeve
- sealing
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- 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
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
A shell is arranged on the left side of a bearing seat, a sealing ring A, a sealing ring B, a sealing ring C and a sealing ring D are arranged between the shell and a shaft sleeve, the sealing ring A is arranged on the vertical surface of the shaft sleeve, the sealing ring B is arranged on the shell, and the sealing ring A is matched with the sealing ring B; the sealing ring C and the sealing ring D are arranged on the horizontal plane of the shaft sleeve, a spring A is arranged between the shaft sleeve and the sealing ring C, and a spring B is arranged between the shell and the sealing ring B; the upper end surface of the shell is provided with a passage, the lower end surface of the shell is provided with a passage, the bearing seat is provided with a liquid inlet pipe, and the liquid inlet pipe is matched with the passage; and a passage is arranged below the bearing seat. The invention has the advantages of simple structural design, simple and convenient operation, reliable sealing temperature and the like; the problem that the main shaft seal cannot bear pressure is solved.
Description
Technical Field
The invention relates to a solid-liquid separation machine, in particular to a spindle sealing device of a horizontal centrifuge.
Background
The centrifugal machine is a device for realizing solid-liquid separation by utilizing centrifugal force, is widely used in the fields of pharmacy and chemical industry, is mostly used in occasions with strong corrosivity, flammability and explosiveness, is used as a high-speed rotating dynamic device, has important reliability of main shaft sealing, is sealed by a labyrinth type sealing ring or a contact type lip-shaped sealing ring in non-contact in most of the existing centrifugal machines, but cannot be well and stably used in the working occasions with high internal pressure. Particularly, in a centrifuge used in some aseptic occasions, high-temperature sterilization needs to be performed on the inside of the centrifuge through steam, so that a main shaft sealing device which is reliable in sealing and achieves the process design effect is needed to be designed.
Disclosure of Invention
The invention aims to provide a design of a spindle sealing device of a horizontal centrifuge, which can solve the problems.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: a spindle sealing device of a horizontal centrifuge comprises a spindle, a bearing seat, a bearing, a shaft sleeve and a retainer ring, wherein the bearing seat is provided with the spindle, the spindle is provided with the bearing and the shaft sleeve, and the retainer ring is arranged between the bearing and the shaft sleeve; the method is characterized in that: a shell is arranged on the left side of the bearing seat, a sealing ring A, a sealing ring B, a sealing ring C and a sealing ring D are arranged between the shell and the shaft sleeve, the sealing ring A is arranged on the vertical surface of the shaft sleeve, the sealing ring B is arranged on the shell, and the sealing ring A is matched with the sealing ring B; the sealing ring C and the sealing ring D are arranged on the horizontal plane of the shaft sleeve, a spring A is arranged between the shaft sleeve and the sealing ring C, and a spring B is arranged between the shell and the sealing ring B; the upper end surface of the shell is provided with a passage, the lower end surface of the shell is provided with a passage, the bearing seat is provided with a liquid inlet pipe, and the liquid inlet pipe is matched with the passage; and a passage is arranged below the bearing seat.
As a preferred technical scheme: the shell and the shaft sleeve are fixedly installed through a positioning structure.
As a preferred technical scheme: the sealing ring B and the sealing ring C are arranged in a floating mode, and the sealing ring A and the sealing ring D are fixedly arranged.
As a preferred technical scheme: and the sealing ring C and the sealing ring D are arranged between the shaft sleeve and the shell.
As a preferred technical scheme: the spring A and the spring B are uniformly provided with a plurality of springs around the main shaft.
As a preferred technical scheme: and a sealing ring E is arranged between the shaft sleeve and the retainer ring.
The invention has the beneficial effects; the utility model provides a horizontal centrifuge main shaft sealing device, compares with traditional structure: the structure design is simple, the operation is simple and convenient, the sealing temperature is reliable, and the like; the problem that the main shaft seal cannot bear pressure is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a main shaft 2, a bearing seat 3, a shell 4, a shaft sleeve 5 and a sealing ring A; 6. A seal ring B; 7. a seal ring C; 8. a seal ring D; 9. A bearing; 10. A retainer ring; 11. a seal ring E; 12. A liquid inlet pipe; 13. a passage A; 14. a path C; 15. a spring A; 16. a spring B; 17. a passage B; 18. and a positioning structure.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments;
a spindle sealing device of a horizontal centrifuge comprises a spindle 1, a bearing seat 2, a bearing 9, a shaft sleeve 4 and a retainer ring 10, wherein the spindle 1 is arranged on the bearing seat 2, the bearing 9 and the shaft sleeve 4 are arranged on the spindle 1, and the retainer ring 10 is arranged between the bearing 9 and the shaft sleeve 4; the method is characterized in that: a shell 3 is arranged on the left side of the bearing seat 2, a sealing ring A5, a sealing ring B6, a sealing ring C7 and a sealing ring D8 are arranged between the shell and the shaft sleeve, the sealing ring A5 is arranged on the vertical surface of the shaft sleeve 4, the sealing ring B6 is arranged on the shell 3, and the sealing ring A5 is matched with the sealing ring B6; the sealing ring C7 and the sealing ring D8 are arranged on the horizontal plane of the shaft sleeve 4, a spring A15 is arranged between the shaft sleeve 4 and the sealing ring C7, and a spring B16 is arranged between the shell 3 and the sealing ring B6; the upper end surface of the shell 3 is provided with a passage A13, the lower end surface is provided with a passage B17, the bearing seat 2 is provided with a liquid inlet pipe 12, and the liquid inlet pipe 12 is matched with the passage 13; a passage C14 is arranged below the bearing seat 2.
The shell 3 and the shaft sleeve 4 are fixedly installed through a positioning structure 18. The sealing ring B6 and the sealing ring C7 are arranged in a floating mode, and the sealing ring A5 and the sealing ring D8 are fixedly arranged. The sealing ring C7 and the sealing ring D8 are arranged between the shaft sleeve 4 and the shell 3. The springs A15 and the springs B16 are uniformly arranged around the main shaft. And a sealing ring E11 is arranged between the shaft sleeve 4 and the retainer ring 10.
In the specific implementation:
when the spindle is in work, the sleeve 4, the spindle 1 and the bearing 9 rotate together in the bearing seat 2, and the sealing ring A5 and the sealing ring C7 are driven by the cylindrical pin to rotate together with the spindle 1; the sealing rings B6 and D8 are fixed and do not rotate, so that a friction pair is formed by the rotating sealing ring A5 and the fixed sealing ring B6, a friction pair is formed by the rotating sealing ring C7 and the fixed sealing ring D8, the sealing rings 7 and 6 are tightly attached to the sealing rings D8 and A5 under the action of a spring A15 and a spring B16, and a closed cavity is formed by the two friction pair parts; in operation, cooling fluid is introduced from the inlet pipe 12, enters the sealed cavity through the passage A13 and flows out through the passage B17, and is used for cooling the two friction pairs.
The purpose of the retainer ring 10 is to throw the lubricating oil lubricating the bearing 9 against the inner wall under the influence of centrifugal force and to discharge it from the return line.
The purpose of the channel C14 is to drain the cooling liquid leaking from the interior of the two friction pairs through the channel C14 in time.
The purpose of the sealing ring E11 is to prevent liquid leaking inside the friction pair from entering the oil system lubricated by the bearing 9.
Claims (6)
1. A spindle sealing device of a horizontal centrifuge comprises a spindle (1), a bearing seat (2), a bearing (9), a shaft sleeve (4) and a retainer ring (10), wherein the spindle (1) is arranged on the bearing seat (2), the bearing (9) and the shaft sleeve (4) are arranged on the spindle (1), and the retainer ring (10) is arranged between the bearing (9) and the shaft sleeve (4); the method is characterized in that: a shell (3) is arranged on the left side of the bearing seat (2), a sealing ring A (5), a sealing ring B (6), a sealing ring C (7) and a sealing ring D (8) are arranged between the shell and the shaft sleeve, the sealing ring A (5) is arranged on the vertical surface of the shaft sleeve (4), the sealing ring B (6) is arranged on the shell (3), and the sealing ring A (5) is matched with the sealing ring B (6); the sealing ring C (7) and the sealing ring D (8) are arranged on the horizontal plane of the shaft sleeve (4), a spring A (15) is arranged between the shaft sleeve (4) and the sealing ring C (7), and a spring B (16) is arranged between the shell (3) and the sealing ring B (6); a passage (13) is arranged on the upper end surface of the shell (3), a passage (17) is arranged on the lower end surface of the shell, a liquid inlet pipe (12) is arranged on the bearing seat (2), and the liquid inlet pipe (12) is matched with the passage (13); and a passage (14) is arranged below the bearing seat (2).
2. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: the shell (3) and the shaft sleeve (4) are fixedly installed through a positioning structure (18).
3. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: sealing ring B (6), sealing ring C (7) for floating the setting, sealing ring A (5), sealing ring D (8) for fixed setting.
4. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: and the sealing ring C (7) and the sealing ring D (8) are arranged between the shaft sleeve (4) and the shell (3).
5. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: the springs A (15) and the springs B (16) are uniformly arranged around the main shaft.
6. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: and a sealing ring E (11) is arranged between the shaft sleeve (4) and the retainer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911099056.6A CN110762222A (en) | 2019-11-12 | 2019-11-12 | Spindle sealing device of horizontal centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911099056.6A CN110762222A (en) | 2019-11-12 | 2019-11-12 | Spindle sealing device of horizontal centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110762222A true CN110762222A (en) | 2020-02-07 |
Family
ID=69337565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911099056.6A Pending CN110762222A (en) | 2019-11-12 | 2019-11-12 | Spindle sealing device of horizontal centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110762222A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532498A (en) * | 2009-04-14 | 2009-09-16 | 苏瑞益 | Mechanical seal of multilayer sludge pump |
| CN101766966A (en) * | 2009-01-05 | 2010-07-07 | 陈登云 | Side-feeding mixer mechanical seal |
| CN102019234A (en) * | 2010-10-27 | 2011-04-20 | 江苏牡丹离心机制造有限公司 | Sealing device for centrifuge main shaft |
| CN203500463U (en) * | 2013-09-05 | 2014-03-26 | 山西汾西机电有限公司 | Main shaft bearing sealing mechanism for horizontal vibrating centrifuge |
| CN104456035A (en) * | 2014-12-01 | 2015-03-25 | 莱州市成达机械有限公司 | Machine oil circulating lubrication system of vertical ring die granulator |
| CN204396190U (en) * | 2014-12-25 | 2015-06-17 | 重庆江北机械有限责任公司 | A kind of horizontal type scraper centrifuger rear bearing sealing device |
| CN209318673U (en) * | 2018-09-19 | 2019-08-30 | 苏州工业园区虹逸精密机械有限公司 | Vertical bearing rotary forging machine |
| CN110274022A (en) * | 2019-07-05 | 2019-09-24 | 江苏华大离心机制造有限公司 | A kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger |
| CN211693523U (en) * | 2019-11-12 | 2020-10-16 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
-
2019
- 2019-11-12 CN CN201911099056.6A patent/CN110762222A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766966A (en) * | 2009-01-05 | 2010-07-07 | 陈登云 | Side-feeding mixer mechanical seal |
| CN101532498A (en) * | 2009-04-14 | 2009-09-16 | 苏瑞益 | Mechanical seal of multilayer sludge pump |
| CN102019234A (en) * | 2010-10-27 | 2011-04-20 | 江苏牡丹离心机制造有限公司 | Sealing device for centrifuge main shaft |
| CN203500463U (en) * | 2013-09-05 | 2014-03-26 | 山西汾西机电有限公司 | Main shaft bearing sealing mechanism for horizontal vibrating centrifuge |
| CN104456035A (en) * | 2014-12-01 | 2015-03-25 | 莱州市成达机械有限公司 | Machine oil circulating lubrication system of vertical ring die granulator |
| CN204396190U (en) * | 2014-12-25 | 2015-06-17 | 重庆江北机械有限责任公司 | A kind of horizontal type scraper centrifuger rear bearing sealing device |
| CN209318673U (en) * | 2018-09-19 | 2019-08-30 | 苏州工业园区虹逸精密机械有限公司 | Vertical bearing rotary forging machine |
| CN110274022A (en) * | 2019-07-05 | 2019-09-24 | 江苏华大离心机制造有限公司 | A kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger |
| CN211693523U (en) * | 2019-11-12 | 2020-10-16 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |