CN110523544B - Horizontal centrifugal machine capable of automatically detecting leakage - Google Patents
Horizontal centrifugal machine capable of automatically detecting leakage Download PDFInfo
- Publication number
- CN110523544B CN110523544B CN201910607627.6A CN201910607627A CN110523544B CN 110523544 B CN110523544 B CN 110523544B CN 201910607627 A CN201910607627 A CN 201910607627A CN 110523544 B CN110523544 B CN 110523544B
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- CN
- China
- Prior art keywords
- ring
- sealing
- movably arranged
- seal
- main shaft
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 210000004907 gland Anatomy 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 7
- 230000003068 static effect Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
- B04B9/04—Direct drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a horizontal centrifuge for automatically detecting leakage, which comprises a vertical fixed casing, wherein one end of the casing is fixedly provided with a backboard, the middle part of the backboard is provided with a through hole, a bearing chamber is horizontally and fixedly arranged in the through hole of the backboard, a front bearing is movably arranged in the bearing chamber, a main shaft is movably arranged in the bearing chamber in a penetrating manner, a slinger is movably arranged on one side of the main shaft, a shaft collar is arranged on one side of the main shaft, a sealing movable ring is movably arranged between the shaft collar and the slinger, a sealing bush is movably arranged on the sealing movable ring, a front bearing gland is movably arranged on one end of the bearing chamber, a sealing ring is movably arranged between the front bearing gland and the bearing chamber, a group of lip-shaped sealing rings is movably arranged on the sealing bush, a sealing seat is fixedly arranged on one side of the front bearing gland, a sealing static ring is fixedly arranged on one side of the sealing seat, a rotary drum is fixedly arranged on one side of the shaft collar in the casing, a door cover is movably arranged on one side of the main shaft, and a scraper discharging device is arranged in the middle part of the door cover in a penetrating manner.
Description
Technical Field
The invention relates to a centrifugal machine, in particular to a horizontal centrifugal machine capable of automatically detecting leakage.
Background
In the existing centrifuge transmission system, as in the invention 201721522148.7 registered in China, a sealing system suitable for a centrifuge is only used for sealing a centrifuge body through superposition of a sealing gland and a lip-shaped sealing ring.
Because the unreasonable and protective measures of its equipment structure itself are not in place to there is material and moisture or lubricating oil infiltration in sealed cavity because the leakproofness is poor, thereby leads to the emergence of deflagration phenomenon, seriously influenced centrifuge equipment's life, increased equipment later stage maintenance dismouting degree of difficulty, and even having taken place sealed inefficacy, the staff also can't visual detection leak's emergence, hidden danger has been buried for production safety.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: a horizontal centrifuge capable of automatically detecting leakage and discharging the leakage is provided.
In order to solve the technical problems, the invention adopts the following technical scheme: the horizontal centrifugal machine for automatically detecting leakage comprises a vertical fixed casing, a backboard fixed at one end of the casing by welding, a through hole in the middle of the backboard, a bearing chamber horizontally fixed in the through hole of the backboard, a front bearing movably arranged in the bearing chamber, a main shaft movably arranged in the front bearing, an oil retainer movably arranged on one side of the main shaft, a sealing ring movably arranged between the oil retainer and the bearing, a collar arranged on one side of the main shaft and positioned in the casing, a sealing ring movably arranged between the collar and the oil retainer, a sealing ring movably arranged between the sealing ring and the main shaft, a sealing bush movably arranged on the sealing ring, a sealing ring movably arranged between the sealing bush and the sealing ring, a front bearing gland movably arranged at one end of the casing and a sealing ring movably arranged between the front bearing gland and the bearing chamber, a group of lip sealing rings movably arranged on the sealing bush, an intermediate spacer ring is movably arranged between the lip seal rings, a sealed cavity is formed among the lip seal rings, the intermediate spacer ring and the seal bushing, a group of through holes communicated with the cavity are formed in the intermediate spacer ring, a grease adding channel and a grease adding exhaust channel communicated with the through holes in the intermediate spacer ring are formed in the front bearing gland, a seal seat is fixedly arranged on one side of the front bearing gland, a seal ring is movably arranged between the seal seat and the front bearing gland, a seal stationary ring is fixedly arranged on one side of the seal seat, the seal stationary ring and the seal movable ring form labyrinth seal, a sealed cavity is formed among the seal stationary ring, the seal movable ring, the seal seat and the lip seal ring, a group of through holes communicated with the cavity are formed in the seal seat, a shaft seal air inlet channel and a shaft seal exhaust channel communicated with the through holes are formed in the seal seat respectively, a filter is connected to the outside of the shaft seal, the filter is characterized in that an air outlet is formed in one side of the top end of the filter, a liquid outlet is formed in the bottom end of a filter bottle in the filter, a rotary drum is fixedly arranged on one side of a shaft collar on a main shaft in a machine shell, a door cover is movably arranged on one side of the machine shell, a scraper discharging device is arranged in the middle of the door cover in a penetrating mode, a rear bearing is movably arranged at one end of the main shaft, a positioning bearing is movably arranged on one side of the rear bearing on the main shaft, a rear bearing cover is fixedly arranged at one end of a bearing chamber on the main shaft through a bolt, a rear bearing cover is arranged at one end of the main shaft in a penetrating mode, a rear seal is arranged between the main shaft and the rear bearing cover, a group of pipelines are fixedly arranged on the bearing chamber in a penetrating mode, one end of each pipeline is embedded into the front bearing cover, sealing rings are arranged between the pipelines and the front bearing cover, the pipelines are respectively communicated with an air inlet channel, an exhaust channel, a grease adding channel and a grease adding exhaust channel, and the other end of each pipeline connected with the exhaust channel is connected with the filter.
The beneficial effects of the invention are as follows: because this device is equipped with labyrinth seal, shielding gas and lip seal circle to form multiple protection, effectively prevent in bearing room lubricating oil and casing interior liquid, gas and solid get into sealed quiet ring, seal seat, seal in the sealed cavity that forms between sealed rotating ring and the lip seal circle, solve the airtight explosion-proof problem of centrifuge, and if labyrinth seal or lip seal circle seal failure, the shielding gas can take out through the shielding gas liquid or solid that gets into in the sealed cavity, and if staff found that there is solid or liquid and seal failure in the filter flask, the staff of being convenient for maintains in time and maintains.
Because the bearing chamber is fixedly provided with the pair of pipelines in a penetrating way, one end of each pipeline is embedded into the bearing gland, and the sealing ring is arranged between the pipeline and the bearing gland, the grease filling and the air filling are facilitated, and meanwhile, the air tightness is ensured.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic side view of the present invention.
In fig. 1 to 2: 1. the shell, 2, the back plate, 3, the bearing chamber, 4, the front bearing, 5, the main shaft, 6, the oil retainer, 7, the sealing ring, 8, the sealing moving ring, 9, the sealing bush, 10, the front bearing gland, 11, the lip sealing ring, 12, the middle spacer ring, the sealing device comprises a sealing seat, a sealing static ring, a pipeline, a filter bottle, a rotary drum, a door cover, a scraper discharging device, a rear bearing, a positioning bearing, a rear bearing cover and a rear sealing.
Detailed Description
Specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, a horizontal centrifuge for automatically detecting leakage comprises a casing 1 which is vertically fixed, one end of the casing 1 is fixedly provided with a back plate 2 through welding, the middle part of the back plate 2 is provided with a through hole, a bearing chamber 3 is horizontally fixed in the through hole of the back plate 2 through welding, a front bearing 4 is movably arranged in the bearing chamber 3, a main shaft 5 is movably arranged in the front bearing 4 in a penetrating manner, an oil retainer 6 is movably arranged on one side of the front bearing 4 on the main shaft 5, a sealing ring 7 is movably arranged between the oil retainer 6 and the front bearing 4, a shaft collar is arranged on one side, located in the casing 1, of the main shaft 5, and a sealing movable ring 8 is movably arranged between the shaft collar and the oil retainer 6 on the main shaft 5.
The sealing ring 7 is movably arranged between the sealing movable ring 8 and the main shaft 5, the sealing movable ring 8 is movably provided with the sealing bush 9, the sealing bush 9 and the sealing movable ring 8 are movably provided with the sealing ring 7, the bearing chamber 3 is movably provided with the front bearing gland 10 at one end of the casing 1, the sealing ring 7 is movably arranged between the front bearing gland 10 and the bearing chamber 3, the sealing bush 9 is movably provided with a group of lip-shaped sealing rings 11, the lip-shaped sealing rings 11 are movably provided with an intermediate spacing ring 12, a closed cavity is formed among the lip-shaped sealing rings 11, the intermediate spacing ring 12 and the sealing bush 9, and a group of through holes communicated with the cavity are formed in the intermediate spacing ring 12.
The front bearing gland 10 is internally provided with a greasing channel and a greasing exhaust channel which are communicated with the through holes in the middle partition ring 12, the bearing chamber 3 is fixedly provided with a group of pipelines 15 in a penetrating way, one ends of the pipelines 15 are embedded into the front bearing gland 10, sealing rings 7 are arranged between the pipelines 15 and the front bearing gland 10, the pipelines 15 are respectively communicated with the greasing channel and the greasing exhaust channel in the bearing gland 10, one side of the front bearing gland 10 is fixedly provided with a sealing seat 13, a sealing ring 7 is movably arranged between the sealing seat 13 and the front bearing gland 10, one side of the sealing seat 13 is fixedly provided with a sealing static ring 14 through bolts, and the sealing static ring 14 and the sealing dynamic ring 8 form labyrinth seal.
A sealed cavity is formed among the seal stationary ring 14, the seal moving ring 8, the seal seat and the lip seal ring 11, a group of through holes communicated with the cavity are formed in the seal seat 13, and a shaft seal air inlet passage and a shaft seal air outlet passage which are respectively communicated with the through holes are formed in the front bearing gland 10. A group of pipelines 15 are fixedly arranged on the bearing chamber 3 in a penetrating way, one ends of the pipelines 15 are embedded into the front bearing gland 10, sealing rings 7 are arranged between the pipelines 15 and the front bearing gland 10, the group of pipelines 15 are respectively communicated with an inner shaft seal air inlet passage and a shaft seal air outlet passage of the front bearing gland 10, and the other ends of the pipelines 15 connected with the shaft seal air outlet passage are connected with a filter 16.
The filter 16 top one side is equipped with the gas outlet, and filter flask 17 bottom is equipped with the drain hole in the filter 16, the fixed rotary drum 18 that is equipped with in main shaft 5 on the casing 1, casing 1 one side activity is equipped with door closure 19, and the scraper discharge apparatus 20 is worn to be equipped with in the middle part of door closure 19, main shaft 5 one end activity is equipped with back bearing 21, and main shaft 5 is gone up back bearing 21 one side activity and is equipped with location bearing 22, and main shaft 5 is gone up bearing chamber 3 one end and is equipped with back bearing cap 23 through the bolt fastening, and main shaft 5 one end is worn to establish back bearing cap 23, is equipped with back seal 24 between main shaft 5 and back bearing cap 23.
When in operation, the device comprises: the external motor drives the main shaft 5 to rotate through the transmission mechanism, the main shaft 5 drives the rotary drum 18 in the shell 1 to rotate for working, protective gas is conveyed to the airtight cavity formed by the sealing static ring 14 and the sealing movable ring 8 through the shaft sealing air inlet channel and is discharged through the shaft sealing air outlet channel, lubricating oil in the front bearing 4 is prevented from entering the airtight cavity formed by the sealing static ring 14 and the sealing movable ring 8 by the lip-shaped sealing ring 11 and the oil retainer 6 in working, and the labyrinth seal formed by the sealing static ring 14 and the sealing movable ring 8 prevents liquid in the shell 1 from entering the airtight cavity formed by the sealing static ring 14 and the sealing movable ring 8. If the labyrinth seal fails, liquid in the casing 1 enters the airtight cavity, and if the lip seal 11 fails, lubricating oil at the front bearing 4 enters the airtight cavity. Any liquid or solid that enters the airtight chamber is carried out of the machine by the gas in the airtight chamber from the gas outlet channel, filtered by the filter 16, and the liquid or solid is trapped in the filter bottle 17 of the filter 16.
The above-described embodiments are merely illustrative of the principles and functions of the present invention, and some of the practical examples, not intended to limit the invention; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (1)
1. A horizontal centrifuge for automatically detecting leakage is characterized in that: comprises a vertical casing, a backboard is arranged at one end of the casing, a through hole is arranged in the middle of the backboard, a bearing chamber is horizontally and fixedly arranged in the through hole of the backboard, a front bearing is movably arranged in the bearing chamber, a main shaft is movably arranged in the front bearing in a penetrating manner, an oil retainer ring is movably arranged at one side of the front bearing on the main shaft, a sealing ring is movably arranged between the oil retainer ring and the front bearing, a shaft collar is arranged at one side of the main shaft, a sealing movable ring is movably arranged between the shaft collar and the oil retainer ring on the main shaft, a sealing ring is movably arranged between the sealing movable ring and the main shaft, a sealing bush is movably arranged on the sealing movable ring, a sealing ring is movably arranged between the sealing bush and the sealing movable ring, a front bearing gland is movably arranged at one end of the casing, a sealing ring is movably arranged between the front bearing gland and the bearing chamber, a group of lip sealing rings is movably arranged between the lip rings, a sealed cavity is formed among the lip seal ring, the middle spacer ring and the seal bushing, a group of through holes communicated with the cavity are formed in the middle spacer ring, a grease adding channel and a grease adding exhaust channel communicated with the through holes in the middle spacer ring are formed in the front bearing gland, a seal seat is fixedly arranged on one side of the front bearing gland, a seal ring is movably arranged between the seal seat and the front bearing gland, a seal stationary ring is fixedly arranged on one side of the seal seat, the seal stationary ring and the seal stationary ring form labyrinth seal, a sealed cavity is formed among the seal stationary ring, the seal movable ring, the seal seat and the lip seal ring, a group of through holes communicated with the cavity are formed in the seal seat, a shaft seal air inlet channel and a shaft seal which are respectively communicated with the through holes are formed in the front bearing gland, a filter is connected outside the exhaust channel, an air outlet is formed on one side of the top of the filter, the bottom end of the filter flask in the filter is provided with a liquid discharge port, a rotary drum is fixedly arranged on one side of a shaft collar on a main shaft in a shell, a door cover is movably arranged on one side of the shell, a scraper discharging device is arranged in the middle of the door cover in a penetrating mode, a rear bearing is movably arranged on one side of the rear bearing on the main shaft, a positioning bearing is movably arranged on one side of the rear bearing on the main shaft, a rear bearing cover is fixedly arranged at one end of a bearing chamber on the main shaft through bolts, a rear seal is arranged between the main shaft and the rear bearing cover, a group of pipelines are fixedly arranged on the bearing chamber in a penetrating mode, one ends of the pipelines are embedded into a front bearing cover, sealing rings are arranged between the pipelines and the front bearing cover, an air inlet passage, an exhaust passage, a greasing passage and a greasing passage are respectively sealed in the bearing cover, and the other ends of the pipelines connected with the exhaust passage are connected with the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607627.6A CN110523544B (en) | 2019-07-05 | 2019-07-05 | Horizontal centrifugal machine capable of automatically detecting leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607627.6A CN110523544B (en) | 2019-07-05 | 2019-07-05 | Horizontal centrifugal machine capable of automatically detecting leakage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110523544A CN110523544A (en) | 2019-12-03 |
| CN110523544B true CN110523544B (en) | 2024-04-02 |
Family
ID=68659511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910607627.6A Active CN110523544B (en) | 2019-07-05 | 2019-07-05 | Horizontal centrifugal machine capable of automatically detecting leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110523544B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503177B (en) * | 2020-11-04 | 2024-05-28 | 江苏赛德力制药机械制造有限公司 | Main shaft sealing device of horizontal centrifuge |
| CN112524255A (en) * | 2020-12-23 | 2021-03-19 | 青岛高测科技股份有限公司 | Slicer main shaft and seal structure thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206246683U (en) * | 2016-11-21 | 2017-06-13 | 重庆江北机械有限责任公司 | Sealing device before a kind of horizontal type scraper centrifuger main shaft |
| CN206845905U (en) * | 2017-06-16 | 2018-01-05 | 长沙中联泵业有限公司 | A kind of bearing chamber labyrinth seal |
| CN208935384U (en) * | 2018-08-21 | 2019-06-04 | 新疆乌苏市北方新科有限公司 | Subdivision non-contact labyrinth bearing isolating seal protection mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7354046B2 (en) * | 2000-04-13 | 2008-04-08 | Ashbridge & Roseburgh Inc. | Sealing apparatus having sequentially engageable seals |
-
2019
- 2019-07-05 CN CN201910607627.6A patent/CN110523544B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206246683U (en) * | 2016-11-21 | 2017-06-13 | 重庆江北机械有限责任公司 | Sealing device before a kind of horizontal type scraper centrifuger main shaft |
| CN206845905U (en) * | 2017-06-16 | 2018-01-05 | 长沙中联泵业有限公司 | A kind of bearing chamber labyrinth seal |
| CN208935384U (en) * | 2018-08-21 | 2019-06-04 | 新疆乌苏市北方新科有限公司 | Subdivision non-contact labyrinth bearing isolating seal protection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110523544A (en) | 2019-12-03 |
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