CN105805314B - Slurry line pressure screen(ing) machine seals - Google Patents
Slurry line pressure screen(ing) machine seals Download PDFInfo
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- CN105805314B CN105805314B CN201410832352.3A CN201410832352A CN105805314B CN 105805314 B CN105805314 B CN 105805314B CN 201410832352 A CN201410832352 A CN 201410832352A CN 105805314 B CN105805314 B CN 105805314B
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- sealing
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- rotating shaft
- pressurized screen
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Abstract
The invention discloses a kind of slurry line pressure screen(ing) machine envelope, slurry line pressure screen(ing) machine seals, including pressurized screen housing, it is fixed on housing and the bearing body for supporting rotating shaft, through the pressurized screen rotating shaft of bearing body, it is fixed on the sealing for isolating slurries with bearing body in pressurized screen housing, in addition to metal threaded mechanical seal, it is characterised in that：The sealing is fixedly connected sequentially from top to bottom sealing disk cover, sealing disk body and sealing cover body, the sealing cover body is fixedly mounted in pressurized screen housing, disk cover sealing ring is provided with mounting surface between the sealing disk cover and sealing disk body, disk body sealing ring is provided with mounting surface between the sealing disk body and sealing cover body, cover body sealing ring is provided with mounting surface between the sealing cover body and pressurized screen housing, the present invention has the beneficial effect that：Rubber seal is used at static seal, uses metal threaded mechanical seal at dynamic sealing, sealing property is reliable, without leak, long lifespan, not easy to wear, ensures that bearing body is not intake, extends the pressurized screen life-span, reduce production cost, improves product profit.
Description
Technical field
The present invention relates to a kind of papermaking equipment field, more particularly to a kind of slurry line pressure screen(ing) machine seal apparatus.
Background technology
Slurry line pressure sieve in paper industry is one of indispensable equipment, and it can weed out plurality of impurities, as lumps,
Sicker, hot-melt object, chip etc..In workshop, pressurized screen secret envelope operating mode is more severe, current most pressure screen(ing) machines
Sealing device is relatively simple, and sealing effectiveness is bad, is not suitable with long-term production work, and sealing surface produces gap so as to easily cause
Leak, spillage, maintenance of equipment is too fast, and cost expenses are high.
Patent No.：201320840699.3 " pressurized screen shaft sealer ", its structure include axle sleeve, maze device,
Lid, labyrinth seat, spring, outside framework oil seal and outside framework oil seal seat on labyrinth, the axle sleeve are installed on pressure screen axis through being covered on labyrinth,
The maze device is installed on labyrinth seat top and pad bottom, covers and is mounted on former mechanical sealing base on the labyrinth,
The labyrinth seat is installed on former mechanical seal block through spring, and the outside framework oil seal is installed in outside framework oil seal seat；Further,
Worked in coordination between the axle sleeve and pressure screen axis, the spring is installed between labyrinth seat and former mechanical seal block；Further
, the outside framework oil seal at least two, the outside framework oil seal bottom sets jump ring, is mounted in outside framework oil seal seat.Should
Device is only simple using maze device and to add the quantity of outside framework oil seal to improve sealing property, simply somewhat extends close
The time is sealed, can not solve the problems, such as that seal easily wears and causes to leak from basic.
The content of the invention
The invention discloses a kind of slurry line pressure screen(ing) machine envelope, solves seal and easily wears and cause asking for slurries leakage
Topic, with the service life of extension device.
In order to reach above-mentioned purpose, the present invention uses following concrete technical scheme：
Slurry line pressure screen(ing) machine seals, including pressurized screen housing, is fixed on housing and the bearing body for supporting rotating shaft, passes through
The pressurized screen rotating shaft of bearing body, it is fixed on the sealing for isolating slurries with bearing body in pressurized screen housing, in addition to metal spiral shell
Line mechanical seal, the metal threaded mechanical seal include rotation section and fixed part, and the rotation section is connected with pressurized screen rotating shaft,
Fixed part is fixedly connected with sealing, it is characterised in that：The sealing is fixedly connected sequentially from top to bottom sealing disk cover, close
Closing disk body and sealing cover body, the sealing cover body is fixedly mounted in pressurized screen housing, between the sealing disk cover and sealing disk body
Mounting surface in be provided with disk cover sealing ring, the sealing disk body and seal that mounting surface between cover body is interior to be provided with disk body sealing ring, institute
State in the mounting surface between sealing cover body and pressurized screen housing and be provided with cover body sealing ring, the seal disc is covered with rotating shaft through hole, institute
The diameter of axle of the rotating shaft through-hole aperture not less than pressurized screen rotating shaft correspondence position therewith is stated, the sealing disk body is provided with central through hole, in
Heart through hole upper end is fixed hole section, and the fixed part is seamless connected with fixed hole section, and the central through hole lower end is oil sealing hole section,
Outside framework oil seal is provided with the oil sealing hole section.
Further, water hole, the water side direction sealing disk cover and seal disc in the water hole are provided with the seal disc body
The inner space that body is formed, the water inlet end in the water hole are arranged on the face of cylinder of sealing disk body bottom, the water inlet in the water hole
End is connected with fast spigot joint, and water pipe accesses fast spigot joint, with the inner space shape formed in sealing disk cover with seal disc body
Into pressure, slurries are prevented to flow into the confined space.
Further, the diameter of axle difference of the rotating shaft through-hole aperture and pressurized screen rotating shaft correspondence position therewith is 0~4mm.
Optimize as one kind, the rotating shaft through-hole aperture is equal to the diameter of axle of pressurized screen rotating shaft correspondence position therewith, and both adopt
Coordinated with gap.
The present invention compared with prior art the advantages of be：The contact between fixed part of the rotation section of metal threaded mechanical seal
Face is hard alloy surface, contact surface gapless, can prevent leakage and extremely wear-resistant；Water hole is set can be in sealing disk cover and sealing
The inner space that disk body is formed forms pressure, prevents slurries from flowing into the confined space, cleaning is played to metal threaded mechanical seal
Effect, no particulate fibrous environment can further improve metal threaded mechanical seal abrasion resistance, extension device service life.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the present invention；
Fig. 2 is the hermetic unit assembling schematic diagram of the present invention；
Fig. 3 is the hermetic unit top view of the present invention；
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment
In order to which technical scheme is explained further, the present invention is explained in detail below by specific embodiment
State.
Embodiment 1：
As shown in Figures 1 to 3, slurry line pressure screen(ing) machine seals, including pressurized screen housing 3, is fixed on housing and turns for supporting
The bearing body 2 of axle, through the pressurized screen rotating shaft 1 of bearing body, be fixed in pressurized screen housing slurries are isolated with bearing body it is close
Envelope portion 4, in addition to metal threaded mechanical seal 5, the metal threaded mechanical seal includes rotation section 52 and fixed part 51, described
Rotation section is connected with pressurized screen rotating shaft, and fixed part is fixedly connected with sealing, and the sealing 4 is fixedly connected sequentially from top to bottom
There are sealing disk cover 41, sealing disk body 42 and sealing cover body 43, the sealing cover body 43 is fixedly mounted in pressurized screen housing 3, institute
State and disk cover sealing ring 44 is provided with the mounting surface between sealing disk cover 41 and sealing disk body 42, the sealing disk body 42 and sealing cover body
Disk body sealing ring 45 is provided with mounting surface between 43, cover is provided with the mounting surface between the sealing cover body 43 and pressurized screen housing 3
Body sealing ring 48, the sealing disk cover 41 are provided with rotating shaft through hole 411, and the aperture of rotating shaft through hole 411 is not less than pressurized screen rotating shaft 1
The diameter of axle of correspondence position therewith, preferably difference section are 0~4mm, and the sealing disk body 42 is provided with central through hole 422, and center leads to
The upper end of hole 422 is fixed hole section 4221, and the fixed part 51 is seamless connected with fixed hole section 4221, under the central through hole 422
Hold as oil sealing hole section 4222, the interior fixed setting outside framework oil seal 49 of jump ring 50 of the oil sealing hole section 4222.
Embodiment 2：
On the basis of embodiment 1, water hole 421, the water side court in the water hole 421 are provided with the sealing disk body 42
The inner space formed to sealing disk cover 41 with sealing disk body 42, the water inlet end in the water hole 421 are arranged under sealing disk body 42
On the face of cylinder in portion, the water inlet end in the water hole 421 is connected with fast spigot joint 46, and water pipe 47 accesses fast spigot joint 46, with
Pressure is formed in sealing disk cover and the inner space that seal disc body is formed, prevents slurries 6 from flowing into the confined space.
Embodiment 3：
On the basis of embodiment 1, the aperture of rotating shaft through hole 411 is equal to the axle of the correspondence position therewith of pressurized screen rotating shaft 1
Footpath, both are coordinated using gap, prevent the bulky grain thing in slurries 6 from entering what sealing disk cover was formed with seal disc body so as to play
Inner space, prevent metal threaded mechanical seal from being worn by particulate matter and reducing service life.
Described in above, only this wound is used using the embodiment of this origination techniques content, any those skilled in the art
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (4)
1. slurry line pressure screen(ing) machine seals, including pressurized screen housing (3), housing and the bearing body (2) for supporting rotating shaft are fixed on,
Through the pressurized screen rotating shaft (1) of bearing body, the sealing (4) for isolating slurries with bearing body in pressurized screen housing is fixed on, also
Including metal threaded mechanical seal (5), the metal threaded mechanical seal includes rotation section (52) and fixed part (51), described turn
Dynamic portion is connected with pressurized screen rotating shaft, and fixed part is fixedly connected with sealing, it is characterised in that：The sealing is from top to bottom successively
Sealing disk cover (41), sealing disk body (42) and sealing cover body (43) are fixedly connected with, the sealing cover body (43) is fixedly mounted on
In pressurized screen housing (3), disk cover sealing ring (44) is provided with the mounting surface between the sealing disk cover (41) and sealing disk body (42),
Disk body sealing ring (45), the sealing cover body (43) are provided with mounting surface between the sealing disk body (42) and sealing cover body (43)
Cover body sealing ring (48) is provided with mounting surface between pressurized screen housing (3), the sealing disk cover (41) is provided with rotating shaft through hole
(411), rotating shaft through hole (411) aperture is not less than the diameter of axle of pressurized screen rotating shaft (1) correspondence position therewith, the sealing disk body
(42) central through hole (422) is provided with, central through hole (422) upper end is fixed hole section (4221), and the fixed part (51) is with fixing
Hole section (4221) is seamless to be connected, and central through hole (422) lower end is oil sealing hole section (4222), and the oil sealing hole section (4222) is interior
Provided with outside framework oil seal (49).
2. slurry line pressure screen(ing) machine envelope according to claim 1, it is characterised in that：Water is provided with the sealing disk body (42)
Hole (421), the water side direction sealing disk cover (41) of the water hole (421) and the inner space of sealing disk body (42) formation, institute
The water inlet end for stating water hole (421) is arranged on the face of cylinder of sealing disk body (42) bottom, the water inlet end connection of the water hole (421)
There is fast spigot joint (46), water pipe (47) accesses fast spigot joint (46).
3. sealed according to any described slurry line pressure screen(ing) machine of claim 1 or 2, it is characterised in that：The rotating shaft through hole (411)
The diameter of axle difference of aperture and pressurized screen rotating shaft (1) correspondence position therewith is 0~4mm.
4. slurry line pressure screen(ing) machine envelope according to claim 3, it is characterised in that：Described rotating shaft through hole (411) aperture etc.
In the diameter of axle of pressurized screen rotating shaft (1) correspondence position therewith, both are coordinated using gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832352.3A CN105805314B (en) | 2014-12-29 | 2014-12-29 | Slurry line pressure screen(ing) machine seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832352.3A CN105805314B (en) | 2014-12-29 | 2014-12-29 | Slurry line pressure screen(ing) machine seals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805314A CN105805314A (en) | 2016-07-27 |
| CN105805314B true CN105805314B (en) | 2017-11-28 |
Family
ID=56980347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832352.3A Active CN105805314B (en) | 2014-12-29 | 2014-12-29 | Slurry line pressure screen(ing) machine seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805314B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953325A (en) * | 1972-09-27 | 1976-04-27 | Nelson Douglas G | Pulp screen with rotating cleaning foil |
| DE3528429A1 (en) * | 1985-08-08 | 1987-02-12 | Voith Gmbh J M | DISC THICKER |
| SE504657C2 (en) * | 1995-07-03 | 1997-03-24 | Sunds Defibrator Ind Ab | sealing device |
| DE102004031622B4 (en) * | 2004-06-30 | 2006-06-14 | Voith Paper Patent Gmbh | Pressure sorter for sifting a pulp suspension |
| CN100489192C (en) * | 2007-04-29 | 2009-05-20 | 李风宁 | Shaft sealer for pressurized slurry sieve |
| CN201416125Y (en) * | 2009-05-26 | 2010-03-03 | 山东杰锋机械制造有限公司 | Seal device for rotation shaft of pressure screen |
| CN203729138U (en) * | 2013-12-19 | 2014-07-23 | 广西贵糖（集团）股份有限公司 | Pressure screen shaft seal device |
| CN204533524U (en) * | 2014-12-29 | 2015-08-05 | 福建利树股份有限公司 | Slag slurry linear pressure screen(ing) machine envelope |
-
2014
- 2014-12-29 CN CN201410832352.3A patent/CN105805314B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105805314A (en) | 2016-07-27 |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 353100 Nanping City, Fujian city of Jianou province Chinese bamboo city D District Applicant after: FUJIAN LISHU CO.,LTD. Address before: 353100 Nanping City, Fujian city of Jianou province Chinese bamboo city D District Applicant before: FUJIAN LISHU GROUP Co.,Ltd. |
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Effective date of registration: 20220627 Granted publication date: 20171128 |
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