CN106402401B - Ladder cooling type reactor magnetic fluid seal device - Google Patents
Ladder cooling type reactor magnetic fluid seal device Download PDFInfo
- Publication number
- CN106402401B CN106402401B CN201610953092.4A CN201610953092A CN106402401B CN 106402401 B CN106402401 B CN 106402401B CN 201610953092 A CN201610953092 A CN 201610953092A CN 106402401 B CN106402401 B CN 106402401B
- Authority
- CN
- China
- Prior art keywords
- ring
- pole shoe
- sealing ring
- stationary ring
- sealing
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
Abstract
Ladder cooling type reactor magnetic fluid seal device, belongs to sealing field of mechanical engineering.Existing magnetic fluid seal device is solved on reactor in use, because organic vapor is to the corrosiveness of magnetic liquid in reactor, the problem of causing sealing device short life, easily fail.The device is made up of magnetic fluid sealing component, rotating ring (2), stationary ring (4).When being sealed applied to reactor, rotating ring (2) places large end face down in " pyramid ", stationary ring (4) " inverted funnel type " places large end face upward, the two forms stepped labyrinth, is advantageous to the liquefaction of organic vapor and reduces space temperature of the stationary ring (4) between pole shoe;Stationary ring (4) upper end tilts towards gyroaxis (16), the first pole shoe (8) lower surface is 5~10 DEG C lower than pole shoe coolant into the temperature of " convex " shape, stationary ring coolant.Successfully solves the corrosion to magnetic liquid due to organic vapor, the problem of causing sealing device short life.
Description
Technical field
The invention belongs to sealing field of mechanical engineering, suitable for reactor magnetic fluid sealing.
Background technology
Magnetic fluid sealing is used widely because of the advantages that its zero leakage, long-life, low friction.Used on reactor
When, because organic vapor to the corrosiveness of magnetic liquid, causes sealing device short life, easily failure in reactor;Together
When due to belonging to high-temperature space in reactor, pole shoe has cooling device, and temperature is relatively low, and organic vapor is easily in pole shoe upper liquid
Change, accelerate the failure of magnetic liquid, cause seal failure.Existing magnetic fluid seal device such as application publication number CN
A kind of magnetic liquid rotating sealing device that 102182830A is announced, it is close that described device is provided with Mazy spiral on the endoporus of end cap
Sealing groove, this design are unable to corrosion of the blocking harmful gas medium to magnetic liquid, and effect is bad.
The content of the invention
The technical problem to be solved in the invention is, existing magnetic fluid seal device on reactor in use, due to
Organic vapor has corrosiveness to magnetic liquid in reactor, causes magnetic fluid sealing short life, easily failure.It is proposed
A kind of ladder cooling type reactor magnetic fluid seal device.
The technical solution adopted for the present invention to solve the technical problems is:
Ladder cooling type reactor magnetic fluid seal device, forming the device includes:Shell, rotating ring, stationary ring first are close
Seal, stationary ring, seal ring of moving ring, the sealing ring of stationary ring second, first the first sealing ring of pole shoe, the first pole shoe, the first pole shoe second
Sealing ring, permanent magnet, second the first sealing ring of pole shoe, the second pole shoe, second the second sealing ring of pole shoe, upper end cover, magnetic liquid,
Gyroaxis.
Form the connection between each several part of the device:The seal ring of moving ring is arranged in rotating ring in round recessed, is formed
Rotating ring with sealing ring;The sealing ring of stationary ring first, the sealing ring of stationary ring second are arranged in the outer round recessed of stationary ring, are formed with close
The stationary ring of seal;The sealing ring of first pole shoe first, first the second sealing ring of pole shoe are arranged in the outer round recessed of the first pole shoe,
Form the first pole shoe with sealing ring;The sealing ring of second pole shoe first, second the second sealing ring of pole shoe are arranged on the second pole
In the outer round recessed of boots, the second pole shoe with sealing ring is formed.
The moving ring sleeve with sealing ring is completed to position on gyroaxis, using trip bolt;The casing is turning round
The screwed hole on ring flange carried on axle using it completes positioning;It is described by the stationary ring with sealing ring, first with sealing ring
Pole shoe, permanent magnet, the second pole shoe with sealing ring are inserted in gyroaxis successively, inject the magnetic liquid, are put into the upper end cover
The positioning of each component is completed using threaded connection;A1, B1 hole on the shell is continuously passed through pole shoe coolant, pole shoe coolant
Flowed out through A2, B2;C1 holes on the shell 1 are continuously passed through stationary ring coolant, and stationary ring coolant flows out through C2;To sealing device
Carry out circulating cooling.
The sealing device seals applied to reactor, when the organic vapor in reactor is to the first pole shoe side
To when diffusing through the gap between the rotating ring and the stationary ring, due to being continuously passed through low temperature stationary ring in the cylindrical groove of stationary ring
Coolant, stationary ring temperature is low, and the stationary ring that organic vapor runs into low temperature will be liquefied, and greatly reduce and touch magnetic liquid
Organic vapor, extend the service life of magnetic fluid seal device.
The present invention compares possessed beneficial effect with prior art:The magnetic fluid seal device is applied to reactor
During sealing, the rotating ring and stationary ring form stepped labyrinth, increase the contact area of stationary ring and organic vapor, are advantageous to
The liquefaction of solvent steam;The rotating ring is placed in " pyramid ", and stationary ring is placed in " inverted funnel type ", stationary ring large end face
Upward, rotating ring large end face down, advantageously reduces the space temperature between stationary ring and the first pole shoe, and it is stable to be advantageous to magnetic liquid
Work;The outer round recessed of the stationary ring can cause the sufficiently cool stationary ring of stationary ring coolant in " upside down funnel type ", improve cooling effectiveness;
The first pole shoe lower surface is advantageous to drip in the first liquefied organic solvent in pole shoe lower surface, reduced because of profit into " convex " shape
It is wet to act on the organic solvent for flowing to magnetic liquid;The stationary ring upper surface is inclined-plane and tilted to gyroaxis, is advantageous to liquefied
Organic vapor to flow down;The temperature of stationary ring coolant is lower than pole shoe coolant 5~10 DEG C, and the material thermal conductivity of stationary ring is big
In pole shoe so that the temperature of stationary ring is less than pole shoe, is advantageous to organic vapor and is liquefied on stationary ring, reduces the liquid on pole shoe
Change.So as to successfully solve corrosion due to organic vapor to magnetic liquid, the problem of causing the sealing device life-span shorter.
Brief description of the drawings
Fig. 1 ladder cooling type reactor magnetic fluid seal devices;
Stationary ring in Fig. 2 ladder cooling type reactor magnetic fluid seal devices;
The first pole shoe in Fig. 3 ladder cooling type reactor magnetic fluid seal devices.
In Fig. 1:Shell 1, rotating ring 2, the first sealing ring of stationary ring 3, stationary ring 4, seal ring of moving ring 5, the second sealing ring of stationary ring 6,
First pole shoe the first sealing ring 7, the first pole shoe 8, first the second sealing ring of pole shoe 9, permanent magnet 10, second the first sealing ring of pole shoe
11st, the second pole shoe 12, second the second sealing ring of pole shoe 13, upper end cover 14, magnetic liquid 15, gyroaxis 16.
Embodiment
Using accompanying drawing as embodiment, the present invention will be further described:
A kind of magnetic fluid seal device suitable for reactor such as Fig. 1:Shell 1, rotating ring 2, the first sealing ring of stationary ring 3,
Stationary ring 4, seal ring of moving ring 5, stationary ring the second sealing ring 6, first pole shoe the first sealing ring 7, the first pole shoe 8, the first pole shoe second
Sealing ring 9, permanent magnet 10, second pole shoe the first sealing ring 11, the second pole shoe 12, second the second sealing ring of pole shoe 13, upper end cover
14th, magnetic liquid 15, gyroaxis 16.
Form the connection between each several part of the device:The seal ring of moving ring 5 is arranged in rotating ring 2 in round recessed, structure
Into the rotating ring with sealing ring;First sealing ring of stationary ring 3, the second sealing ring of stationary ring 6 are arranged in 4 outer round recessed of stationary ring, structure
Into the stationary ring with sealing ring;First pole shoe, first sealing ring 7, first the second sealing ring of pole shoe 9 are arranged on outside the first pole shoe 8
In round recessed, the first pole shoe with sealing ring is formed;Second pole shoe, first sealing ring 11, second the second sealing ring of pole shoe 13
In 12 outer round recessed of the second pole shoe, the second pole shoe with sealing ring is formed.
The moving ring sleeve with sealing ring is completed to position on gyroaxis 16, using trip bolt;The shell 1 is enclosed on back
The screwed hole on ring flange carried in rotating shaft 16 using it completes positioning;It is described by the stationary ring with sealing ring, with sealing ring
First pole shoe, permanent magnet 10, the second pole shoe with sealing ring are inserted in gyroaxis 16 successively, inject the magnetic liquid 15, are put into
The upper end cover 14 completes the positioning of each component using threaded connection;A1, B1 hole on the shell 1 is continuously passed through pole shoe cooling
Liquid, pole shoe coolant flow out through A2, B2;C1 holes on the shell 1 are continuously passed through stationary ring coolant, and stationary ring coolant flows through C2
Go out;Circulating cooling is carried out to sealing device.
The sealing device seals applied to reactor, when the organic vapor in reactor is to first pole shoe 8
It is low due to being continuously passed through in the cylindrical groove of stationary ring 4 when direction diffuses through the gap between the rotating ring 2 and the stationary ring 4
Warm stationary ring coolant, the temperature of stationary ring 4 is low, and the stationary ring 4 that organic vapor runs into low temperature will be liquefied, and greatly reduce and touch magnetic
The organic vapor of property liquid 15, extend the service life of magnetic fluid seal device.
The rotating ring 2 and stationary ring 4 form stepped labyrinth, increase the contact area of stationary ring 4 and organic vapor, favorably
In the liquefaction of organic vapor;The rotating ring 2 is placed in " pyramid ", and stationary ring 4 is placed in " inverted funnel type ", stationary ring
Upward, the large end face of rotating ring 2 down, advantageously reduces the space temperature between the pole shoe 8 of stationary ring 4 and first, is advantageous to magnetic 4 large end faces
The property steady operation of liquid 15;The 4 outer round recessed of stationary ring can cause the sufficiently cool stationary ring of stationary ring coolant in " upside down funnel type "
4, improve cooling effectiveness;The lower surface of first pole shoe 8 is advantageous to liquefied organic in the lower surface of the first pole shoe 8 into " convex " shape
Solvent drips, and reduces because wetting action flows to the organic solvent of magnetic liquid 15;The upper surface of stationary ring 4 is inclined-plane and to revolution
Axle tilt, be advantageous to liquefied organic vapor to flow down;The temperature of stationary ring coolant is lower than pole shoe coolant 5~10 DEG C,
And the material thermal conductivity of stationary ring 4 is more than pole shoe so that the temperature of stationary ring 4 is less than pole shoe, is advantageous to organic vapor in stationary ring 4
Upper liquefaction, reduce the liquefaction on pole shoe.
Pole shoe, gyroaxis 16 are from the good material of magnetic conductivity, such as electrical pure iron;
Permanent magnet 10 selects neodymium iron boron;
The species of magnetic liquid 15 is according to the magnetic liquid of the different choice difference base load liquid of use environment;
Stationary ring 4 can use the good resistant material of thermal conductivity, such as copper;
Rotating ring 2 can use the resistant material of poor thermal conductivity, such as ceramics.
Claims (3)
1. ladder cooling type reactor magnetic fluid seal device, it is characterised in that:The device includes:Shell (1), rotating ring (2),
The sealing ring of stationary ring first (3), stationary ring (4), seal ring of moving ring (5), the sealing ring of stationary ring second (6), first the first sealing ring of pole shoe
(7), the first pole shoe (8), first the second sealing ring of pole shoe (9), permanent magnet (10), second the first sealing ring of pole shoe (11), second
Pole shoe (12), second the second sealing ring of pole shoe (13), upper end cover (14), magnetic liquid (15), gyroaxis (16);
Form the connection between each several part of the device:The seal ring of moving ring (5) is arranged in rotating ring (2) interior round recessed, structure
Into the rotating ring with sealing ring;The sealing ring of stationary ring first (3), the sealing ring of stationary ring second (6) are arranged on stationary ring (4) outer round recessed
It is interior, form the stationary ring with sealing ring;The sealing ring of first pole shoe first (7), first the second sealing ring of pole shoe (9) are arranged on the
In one pole shoe (8) outer round recessed, the first pole shoe with sealing ring is formed;The sealing ring of second pole shoe first (11), the second pole
The sealing ring of boots second (13) is arranged in the second pole shoe (12) outer round recessed, forms the second pole shoe with sealing ring;
By the moving ring sleeve with sealing ring on gyroaxis (16), complete to position using trip bolt;The shell (1) is enclosed on
The screwed hole on ring flange carried on gyroaxis (16) using it completes positioning;By the stationary ring with sealing ring, band sealing
The first pole shoe, permanent magnet (10), the second pole shoe with sealing ring of circle are inserted in gyroaxis (16) successively, inject the magnetic liquid
(15) upper end cover (14), is put into, the positioning of each component is completed using threaded connection;A1 holes, B1 holes on the shell (1)
Continuous to be passed through pole shoe coolant, pole shoe coolant flows out through the A2 holes on shell (1), B2 holes;C1 holes on the shell (1) connect
Continuous to be passed through stationary ring coolant, stationary ring coolant flows out through the C2 holes on shell (1);Circulating cooling is carried out to sealing device;
The rotating ring (2) and stationary ring (4) form stepped labyrinth, and rotating ring (2) is placed in pyramid, and stationary ring (4) is in inverted
Funnel type is placed, and upward, rotating ring (2) large end face is down for stationary ring (4) large end face.
2. ladder cooling type reactor magnetic fluid seal device according to claim 1, it is characterised in that:
The outer round recessed of the stationary ring (4) is in upside down funnel type, and stationary ring (4) upper surface is inclined-plane and tilted to gyroaxis (16).
3. ladder cooling type reactor magnetic fluid seal device according to claim 1, it is characterised in that:
First pole shoe (8) lower surface is into convex.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610953092.4A CN106402401B (en) | 2016-11-03 | 2016-11-03 | Ladder cooling type reactor magnetic fluid seal device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610953092.4A CN106402401B (en) | 2016-11-03 | 2016-11-03 | Ladder cooling type reactor magnetic fluid seal device |
Publications (2)
Publication Number | Publication Date |
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CN106402401A CN106402401A (en) | 2017-02-15 |
CN106402401B true CN106402401B (en) | 2018-02-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610953092.4A Expired - Fee Related CN106402401B (en) | 2016-11-03 | 2016-11-03 | Ladder cooling type reactor magnetic fluid seal device |
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CN (1) | CN106402401B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107882999B (en) * | 2017-12-13 | 2023-05-02 | 广西科技大学 | Magnetic source embedded magnetic fluid sealing device |
CN110219990A (en) * | 2019-07-07 | 2019-09-10 | 南京林业大学 | The pump for liquid salts Split mechanical seal of subdivision ring connection INTERFACE MAGNETISM hydraulic seal |
CN114370508B (en) * | 2021-12-23 | 2023-02-21 | 清华大学 | Magnetic liquid sealing device with cooling system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2583689Y (en) * | 2002-11-06 | 2003-10-29 | 株洲维格磁流体有限公司 | Optical fiber furnace magnetic fluid rotary shaft sealing device |
CN201420856Y (en) * | 2009-04-07 | 2010-03-10 | 汝南县东旭碳材塑料有限公司 | Sealing device for high-temperature and high-pressure resistant vessel |
CN102600927B (en) * | 2012-03-01 | 2014-09-10 | 韩先锋 | Flour mill |
CN202971910U (en) * | 2012-12-12 | 2013-06-05 | 江苏益通流体科技有限公司 | Mechanical seal device for reaction still |
US8899594B2 (en) * | 2012-12-21 | 2014-12-02 | Mcnish Corporation | Adjustable seal apparatus for mounting a mixing apparatus to a vessel |
CN203594790U (en) * | 2013-12-10 | 2014-05-14 | 湖南海纳新材料有限公司 | Sealing device for ternary precursor reaction kettle |
CN103759009B (en) * | 2014-01-17 | 2015-10-28 | 北京交通大学 | A kind of fluid dynamic pressure type magnetic liquid seal device |
CN103759014A (en) * | 2014-02-20 | 2014-04-30 | 厦门大学 | Shaft seal device of vertical-type low-voltage non-contact reactor |
CN203809687U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | High-temperature high-pressure mechanical seal device for reaction kettle |
CN204153157U (en) * | 2014-09-17 | 2015-02-11 | 河北玉星生物工程有限公司 | The anti-oil sealing device of a kind of stirring system |
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- 2016-11-03 CN CN201610953092.4A patent/CN106402401B/en not_active Expired - Fee Related
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