CN106286842B - A kind of horizontal reactor axle end sealing device - Google Patents
A kind of horizontal reactor axle end sealing device Download PDFInfo
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- CN106286842B CN106286842B CN201510279445.2A CN201510279445A CN106286842B CN 106286842 B CN106286842 B CN 106286842B CN 201510279445 A CN201510279445 A CN 201510279445A CN 106286842 B CN106286842 B CN 106286842B
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Abstract
The present invention provides a kind of horizontal reactor axle end sealing device, the device be arranged on pressure be mesolow, heavy duty various reactor seal cavity internal rotating axles above, seal cavity periphery is provided with multiple installation screws, the sealing device is connected with seal cavity by installation bolt, transmission moment of torsion is carried out using transmission component between rotary shaft and sealing device.Feature of the present invention is:Reduce rotary shaft oscillating quantity, prevent sealing medium directly with it is in sealing contact, provide a good running environment for shaft end seal, packaging type structure is convenient to mount and dismount, good airproof performance.
Description
Technical field
The present invention relates to reactor technology field, especially a kind of horizontal reactor axle end sealing device.
Background technology
Currently, packing_seal and mechanical seal are that current reaction, mixing plant sealing device use most seal types.
Packing_seal is although simple in construction, cheap, easy to process, assembly and disassembly are easy, wide using scope, but its poor sealing performance,
Leakage rate is big, frictional dissipation is big, and to the serious wear of axle, axle sleeve.Horizontal reactor equipment shaft end seal and reaction, stirring
Physical contact between media, and spring bearing apart from agitating shaft farther out;, agitating shaft is connected with rotary shaft by shaft coupling, oscillating quantity
Greatly.
The content of the invention
It is an object of the invention to overcome problem above there is provided a kind of horizontal reactor axle end sealing device, the device can
To be played a supporting role to rotary shaft, reduce the oscillating quantity of rotary shaft, a preferable working environment is provided for shaft end seal, collect
Dress formula structure, is convenient to mount and dismount, using simple.
The technical scheme adopted by the invention to solve the technical problem is that:A kind of horizontal reactor axle end sealing device, peace
Mounted in pressure be mesolow, heavy duty various reactor seal cavity internal rotating axles above, seal cavity periphery is provided with many
The sealing device, is connected by individual installation screw by installation bolt with seal cavity, using biography between rotary shaft and sealing device
Dynamic component carries out transmission moment of torsion.Axle sleeve, short sleeve are installed on the rotary shaft, and rotary shaft contact surface is provided with axle on the inside of axle sleeve
Cover O rings;Short sleeve end and rotary shaft impeller contact position are provided with short sleeve O rings;Axle sleeve passes through transmission ring A, B with rotary shaft
Extruding gripping sleeve transmission moment of torsion is connected by screw, is transmitted and turned round by screw between short sleeve and rotary shaft, spring base and axle sleeve
Square;Between atmospheric side rotating ring, side medium rotating ring and spring base moment of torsion is transmitted by fit lugs;It is bearing gland and bearing housing, big
Gas side stationary seat and side medium stationary seat, atmospheric side stationary seat and bearing housing, stationary ring pressing plate and side medium stationary seat, floating ring and
It is attached between floating ring gland, throttling ring assemblies and seal cavity, shaft end seal and seal cavity by screw;Bearing housing,
Side medium stationary seat, floating ring seat with seal cavity cooperation, at spring base and axle sleeve cooperation, floating ring matches somebody with somebody with side medium stationary seat
At conjunction, floating ring seat with floating ring gland cooperation, at atmospheric side stationary seat and side medium stationary seat cooperation, atmospheric side stationary seat and axle
Hold and O rings are designed with case cooperation;Collection load is provided with bearing gland screwed hole is installed, pass through screw four, spring shim pair
Collection load is fixed on above bearing gland, and collection load end is installed in the collection load locating slot on the outside of axle sleeve;Atmospheric side stationary ring
Prevent stationary ring from being rotated with atmospheric side rotating ring by the stop pin above atmospheric side stationary seat, side medium stationary ring is by being situated between
Gap, volume relationship between matter side stationary ring pressing plate, O rings two prevent from rotating with side medium rotating ring to compress stationary ring;Floating ring and axle
Certain interval is provided between set, prevents floating ring from being rotated with axle sleeve by anti-rotation pin two, and floating ring back makes to float provided with spring
Ring has good floatability;Bearing gland end face sets bearing pouring orifice GI and oil-out GR;Bearing housing end face is provided with punching
Fluid intake F, obstruction fluid intake LBI are washed, blocks fluid LBO, draw leak D;Bearing is installed in bearing housing, and internal diameter is installed on
Above axle sleeve, bearing is positioned using bearing snap ring on the outside of bearing.
The beneficial effects of the invention are as follows:Reduce rotary shaft oscillating quantity, prevent sealing medium directly with it is in sealing contact, be axle
End sealing provides a good running environment, and packaging type structure is convenient to mount and dismount, good airproof performance.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
As shown in figure 1, a kind of horizontal reactor axle end sealing device, mainly by O rings 1, short sleeve 2, throttling ring assemblies
3rd, holding screw 1, screw 1, spring A6, side medium stationary ring pressing plate 7, side medium stationary ring 8, O rings 29, axle sleeve 10, side medium
Stationary seat 11, rotating ring snap ring 12, spring base 13, holding screw 2 14, throw-out collar 15, atmospheric side rotating ring 16, atmospheric side stationary ring 17, O
Ring 3 18, stop pin 1, atmospheric side stationary seat 20, outside framework oil seal 1, rings 4 22, bearing housing 23, bearing 24, O rings five
25th, bearing snap ring 26, outside framework oil seal 2 27, screw 2 28, go out lubricating cup 29, transmission ring A30, screw 3 31, transmission ring snap ring 32,
Transmission ring B33, gripping sleeve 34, priming cup 35, screw 4 36, spring washer 37, collection load 38, O rings 6 39, bearing gland 40,
Screw 5 41, O rings 7 42, O rings 8 43, O rings 9 44, pin 1, pin 2 46, O rings 10, screw 6 48, O rings 11
49th, O rings 12, O rings 13, spring B 52, screw 7 53, side medium rotating ring 54, O rings 14, pin 3 56, O rings ten
5 57, O rings 16, floating ring gland 59, stop pin 2 60, floating ring 61, floating ring seat 62, O rings 17, screw 8 64 are constituted.
A kind of horizontal reactor axle end sealing device, is mesolow, heavily loaded various reactor annular seal spaces installed in pressure
In body, seal cavity periphery is provided with multiple installation screws, is connected the sealing device and seal cavity by mounting screw 5 41
Connect;Axle sleeve 10, short sleeve 2 are installed on the rotary shaft, and rotary shaft contact surface is provided with axle sleeve O rings 6 39 in the inner side of axle sleeve 10;
The end of short sleeve 2 and rotary shaft impeller contact position are provided with short sleeve O rings 1;Axle sleeve 10 passes through transmission ring with rotary shaft
A30, transmission ring B33 transmit moment of torsion, short sleeve 2 and rotary shaft, spring base 13 and axle by the connection extruding gripping sleeve 34 of screw 31
Moment of torsion is transmitted between set 10 by marking closely screw 1, holding screw 2 14, screw 7 53 respectively;Atmospheric side rotating ring 16, side medium
Between rotating ring 54 and spring base 13 moment of torsion is transmitted by fit lugs;Bearing gland 40 is carried out with bearing housing 23 by screw 2 28
Connection;Atmospheric side stationary seat 20 is attached with side medium stationary seat 11, bearing housing 23 by screw 6 48;Stationary ring pressing plate 7 with
Side medium stationary seat 11 is attached by screw 1;Floating ring seat 62 is attached with floating ring gland 59 by screw 1;Axle
Collection load 38 is provided with pressure cap 40 screwed hole is installed, axle is fixed on by screw 4 36,37 pairs of collection loads 38 of spring shim
Above pressure cap 40, collection load 38 end is installed in the collection load locating slot in the outside of axle sleeve 10;Atmospheric side stationary ring 17 passes through peace
Stop pin 19 above atmospheric side stationary seat 20 prevents atmospheric side stationary ring 17 from being rotated with atmospheric side rotating ring 16, and side medium is quiet
Ring 8 is prevented with side medium by the gap between side medium stationary ring pressing plate 7, O rings 29, volume relationship to compress side medium stationary ring 8
Rotating ring 54 is rotated;Certain interval is provided between floating ring 61 and axle sleeve 10, prevents floating ring 61 with axle sleeve 10 by anti-rotation pin 2 60
Rotation, and the back of floating ring 61 makes floating ring 61 have good floatability provided with spring A6;Bearing gland end face sets bearing to note
Hydraulic fluid port GI35 and oil-out GR29;
Bearing housing end face is provided with rinse fluid art entrance F, obstruction fluid intake LBI, blocks fluid LBO, draws leak D;Axle
Hold 24 to be installed in bearing housing 23, internal diameter is installed on above axle sleeve 10, bearing 24 is entered using bearing snap ring 26 in the outside of bearing 24
Row positioning.The inner radius of orifice union 3 is the carbon compound of media-resistant corrosion;The effective support width of the internal diameter of orifice union 3 and rotation
The ratio of the rotating shaft diameter of axle is 1/4~1/2;Side medium stationary ring 8, side medium rotating ring 54, atmospheric side stationary ring 17, atmospheric side rotating ring 16 are
Ceramics, hard alloy, graphite material;The internal diameter broach of floating ring 61 is rectangle or trapezoidal or triangle;The internal diameter comb part of floating ring 61
For at least one;The effective width of the internal diameter broach of floating ring 6 is 1/15~1/10 with the ratio of the rotary shaft diameter of axle;
Side medium stationary seat 11, atmospheric side stationary seat 20, bearing housing 23 can be multiple part connections or overall
Structure, during multiple part connections, O rings or pad are provided between part.
The installation step of horizontal reactor axle end sealing device:
1) throw-out collar 15, O rings 14, side medium rotating ring 54 are sequentially loaded into the side medium of spring base 13, then by rotating ring card
Ring 12 is fitted into the side medium annular groove of spring base 13, turnover spring seat 13, and spring B 52 is loaded in spring does 13 spring eyes, then
Successively by throw-out collar 15, O rings 12, atmospheric side rotating ring 16, then rotating ring snap ring 12 is fitted into the side medium annular groove of spring base 13,
The inner radius O rings 13 of spring base 13 are being installed, holding screw 2 14, screw 7 53 are finally attached to corresponding spring base spiral shell
In pit, notice that holding screw 2 14, the end of screw 7 53 should not expose in the inner radius of spring base 13, the shaft end seal compensation group
Part is completed;
2) floating ring 61 is arranged in floating ring 62 inner diameter holes of seat, spring A6 is sequentially placed into the spring that floating ring 61 is processed above
Kong Zhong, then covers floating ring gland 59 on floating ring, is connected floating ring gland 59, floating ring 61, floating ring seat 62 using screw 1
As an entirety, floating ring seat outer radius O rings 16, O rings 17, the axle end sealing device floating ring component group are finally installed
Install into;
3) side medium stationary ring 8 and an O ring 29 are sequentially loaded into side medium stationary seat 11, then by another O rings 29
Load the back side of side medium stationary ring 8, reuse side medium stationary ring pressing plate 7 and cover side medium stationary ring 8, using screw one, by side medium
Stationary ring pressing plate 7 and side medium stationary seat 11 are linked as entirety, then by each end face O rings 8 43 of side medium stationary seat, O rings 11, O rings
15 are fitted into corresponding O annular grooves, and the quiet assembling components of the axle end sealing device side medium are completed;
4) outside framework oil seal 1 is fitted into the endoporus of atmospheric side stationary seat 20(The side exposed without stop pin 1), upset
Atmospheric side stationary seat 20, atmospheric side stationary ring 17, O rings 3 18 are attached in the inner radius hole of side medium stationary seat 20, air is noted
The correspondence position of the back side pin-and-hole of side stationary ring 17 and stop pin 1, then O rings 4 22, O rings by atmospheric side stationary seat end face everywhere
10, O rings 9 44 are attached in corresponding O annular grooves, and the quiet assembling components of the axle end sealing device atmospheric side are completed;
5) O rings 25 are installed at bearing 24 in O annular grooves installed in axle sleeve 10, bearing 24 is attached to axle using installation tool
Above set 10, bearing snap ring 26 is caught in, then outside framework oil seal 2 27 is fitted into the inner radius hole of bearing gland 40, by bearing gland
40 are linked as entirety with bearing housing 23 using screw 2 28, note each hole relative position relation, by bearing housing 23, bearing gland
40 are attached to the outer radius of bearing 24 together, and collection load 38 is fixed on bearing gland 40 using screw 4 36, spring shim 37
In the screwed hole of face, collection load 38 end is installed in the collection load locating slot in the outside of axle sleeve 10, the axle end sealing device bearing group
Part is completed;
6) bearing assembly is overturn, the outer radius O rings 7 42 of bearing housing 23, end O rings 43 are fitted into corresponding O annular grooves,
Then the quiet component of atmospheric side is inserted on bearing assembly, notes the relative position relation in each hole;
7) compensation component is installed on the outer radius of axle sleeve 10, holding screw 2 14, screw 7 53 is tightened after being installed in place, noted
Meaning screw 7 53 is installed in two blind holes of axle sleeve external diameter;
8) by side medium Jing Zujiangai on the quiet component of atmospheric side, an entirety is connected it as using screw 6 48,
Note the relative position relation in each hole;
9) floating ring component is covered on side medium static components, connected together using spiral shell 8 64;
10) overall structure assembled is inverted, transmission ring 1, gripping sleeve 34, transmission ring 2 33 are sequentially arranged at axle
Above set 10, pretension is carried out using screw 31, snap ring 32 is finally installed.
The present invention is using Double End, balanced type, shared many spring arrangements, and the sealing of Double End placement of mechanical can be effective
Isolating seal medium;Medium side seal is adapted to higher pressure oscillation, air side seal is adopted using double flat weighing apparatus sealing structure
Higher operating pressure is adapted to the sealing of singly balanced type;Many spring structures can make seal face uniform force, and there is provided good
Good is compensatory;Sharing spring design makes sealed anti-axle alter ability enhancing;Sealing internal bearings can limit rotary shaft pendulum pair
Amount;Obstruction fluid is circulated by entrance LBI, outlet LBO, is provided lubrication to seal face friction pair and is cooled.
Claims (1)
1. a kind of horizontal reactor axle end sealing device, it is characterised in that:It is mesolow, heavily loaded various reactions installed in pressure
In device seal cavity, seal cavity periphery is provided with multiple installation screws, by mounting screw five (41) by the sealing device with
Seal cavity is connected, axle sleeve(10), short sleeve(2)Install on the rotary shaft, in axle sleeve(10)Inner side is set with rotary shaft contact surface
It is equipped with axle sleeve O rings six(39), in short sleeve(2)End is provided with short sleeve O rings one with rotary shaft impeller contact position(1), axle sleeve
(10)Extruding gripping sleeve is connected by screw (31) by transmission ring A (30), transmission ring B (33) with rotary shaft(34)Transmission is turned round
Square, transmission ring snap ring(32)To gripping sleeve(34)Positioning, prevents from coming off, short sleeve(2)Pass through screw one with rotary shaft(4))Pass
Torque delivery, spring base(13)With axle sleeve(10)Between pass through holding screw two(14), screw seven(53)Moment of torsion is transmitted, atmospheric side is moved
Ring(16), side medium rotating ring(54)With spring base(13)Between pass through fit lugs transmit moment of torsion, throttle ring assemblies(3)With short axle
Set(2)Between designed by gap, reach the effect of reducing pressure by regulating flow, bearing gland(40)With bearing housing(23)Pass through screw two
(28)It is attached, atmospheric side stationary seat(20)With side medium stationary seat(11), bearing housing(23)Pass through screw six(48)Carry out
Connection, stationary ring pressing plate(7)With side medium stationary seat(11)Pass through screw one(5)It is attached, floating ring seat(62)With floating ring gland
(59)Pass through screw one(5)It is attached, floating ring seat(62)With side medium stationary seat(11)Pass through screw eight(64)It is attached,
Collection load (38) is provided with bearing gland (40) screwed hole is installed, by screw four (36), spring shim (37) to collection load
(38) it is fixed on bearing gland (40) above, collection load (38) end is installed in the collection load locating slot on the outside of axle sleeve (10),
Atmospheric side stationary ring (17) installed in atmospheric side stationary seat (20) stop pin (19) above by preventing atmospheric side stationary ring (17)
Rotated with atmospheric side rotating ring (16), side medium stationary ring (8) passes through the gap between side medium stationary ring pressing plate (7), O rings two (9), body
Product relation prevents from rotating with side medium rotating ring (54) to compress side medium stationary ring (8), adapts to the less swing of rotary shaft, rotating ring card
Ring(12)Installed in spring base(13)In annular groove, atmospheric side rotating ring is fixed in an assembling process(16), side medium rotating ring(54),
Throw-out collar(15)The rotating ring back side is installed on, is spring B(52)Hold out against throw-out collar(15), dynamic and static ring is fitted, atmospheric side stationary ring(17)With
Atmospheric side stationary seat(20)Between be provided with O rings three(18), atmospheric side stationary seat(20)With bearing housing(23)Between be provided with O rings four
(22), O rings eight(43), O rings nine(44), bearing(24)With axle sleeve(10)Between be provided with O rings five(25), atmospheric side stationary seat(20)
With side medium stationary seat(11)Between be provided with O rings ten(47), side medium stationary seat(11)O rings 11 are provided between seal cavity
(49), atmospheric side rotating ring(16)With spring base(13)Between be provided with O rings 12(50), spring base(13)With axle sleeve(10)Between set
There are O rings 13(51), side medium rotating ring(54)With spring base(13)Between be provided with O rings 14(55), floating ring seat(62)With medium
Side stationary seat(11)Between be provided with O rings 15(57), O rings 18(58), floating ring seat(62)O rings ten are provided between seal cavity
Seven(63), certain interval is provided between floating ring (61) and axle sleeve (10), passes through anti-rotation pin two(60)Prevent floating ring(61)With axle
Set(10)Rotation, and floating ring(61)Back is provided with spring A(6)Make floating ring(61)With good floatability, bearing gland
(40)End face sets bearing pouring orifice GI(35)With oil-out GR(29), it is easy to fill lubricant grease and checks filling grease
Amount, bearing housing end face is provided with rinse fluid art entrance F, obstruction fluid intake LBI, blocks fluid issuing LBO, draws leak D, rinses
Entrance F introduces the fluid compatible with sealing medium, reduces sealing medium and in sealing contact, obstruction fluid intake LBI, obstruction fluid
Outlet LBO introduces the obstruction fluid higher than F mouthfuls of medium washes pressure medium 0.1-0.2MPa and forms circulation, is rubbed to seal face
Wipe it is secondary lubrication is provided and frictional heat is taken away, the sealed running situation of atmospheric side can timely and effectively be observed by drawing leak D, LBO,
Each interface bottom outlet turning point leakage point of LBI, D passes through pin one(45), pin two(46), pin three(56)Block soldering, turning
Surface treatment reaches, bearing(24)It is installed on bearing housing(23)Interior, internal diameter is installed on axle sleeve(10)Above, bearing(24)Outside makes
Bearing (24) is positioned with bearing snap ring (26), bearing both sides are provided with outside framework oil seal one(21), outside framework oil seal two(27)It is anti-
Only bearing(24)Lubricating grease flows out in gap.
Priority Applications (1)
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CN201510279445.2A CN106286842B (en) | 2015-05-28 | 2015-05-28 | A kind of horizontal reactor axle end sealing device |
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CN201510279445.2A CN106286842B (en) | 2015-05-28 | 2015-05-28 | A kind of horizontal reactor axle end sealing device |
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CN106286842A CN106286842A (en) | 2017-01-04 |
CN106286842B true CN106286842B (en) | 2017-10-10 |
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Publication number | Priority date | Publication date | Assignee | Title |
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NL2021061B1 (en) * | 2018-06-05 | 2019-12-11 | TEDIMA GmbH | Improved sealing construction for a rotatable drive shaft |
CN108825789A (en) * | 2018-09-06 | 2018-11-16 | 兰州理工大学 | High speed machine seals cooling flusher |
CN111425601A (en) * | 2020-04-27 | 2020-07-17 | 无锡伊格尔博格曼科技有限公司 | Floating self-interacting mechanical seal for cauldron |
CN116241569B (en) * | 2023-05-12 | 2023-07-28 | 合肥通用机械研究院有限公司 | Horizontal bearing sealing structure |
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DE68921477T2 (en) * | 1989-10-06 | 1995-07-13 | Cooper Ind Inc | Hydraulic / torsion installation tool for seals. |
JP4598098B2 (en) * | 2008-03-13 | 2010-12-15 | 日立オートモティブシステムズ株式会社 | Gear pump sealing device |
CN102242729A (en) * | 2011-07-07 | 2011-11-16 | 东营海森密封技术有限责任公司 | Novel mechanical seal for slurry pump |
CN202251055U (en) * | 2011-08-04 | 2012-05-30 | 东营海森密封技术有限责任公司 | Film-lubrication non-contact serial mechanical sealing device for high-temperature oil pump |
CN103821942A (en) * | 2013-07-03 | 2014-05-28 | 东营海森密封技术有限责任公司 | Double mechanical sealing method and double mechanical sealing device for kettle gas films |
CN204739223U (en) * | 2015-05-28 | 2015-11-04 | 东营海森密封技术有限责任公司 | Horizontal reactor shaft end sealing device |
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