CN200943707Y - High temperature magnetic liquid seal water-cooling device - Google Patents
High temperature magnetic liquid seal water-cooling device Download PDFInfo
- Publication number
- CN200943707Y CN200943707Y CN 200620023103 CN200620023103U CN200943707Y CN 200943707 Y CN200943707 Y CN 200943707Y CN 200620023103 CN200620023103 CN 200620023103 CN 200620023103 U CN200620023103 U CN 200620023103U CN 200943707 Y CN200943707 Y CN 200943707Y
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- China
- Prior art keywords
- pole shoe
- permanent magnet
- bearing
- flux sleeve
- stuffing box
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
A high-temperature magnetic fluid sealing water-cooled device, the water jacket (16) of the device imbeds an O-sealing-ring (17), is installed in the bore of seal gland (V) clinging to the bottom wall (iv) of the seal gland (3). Left bearing (4), left pole shoe (5) which embeds an O-sealing-ring (8), permanent magnet (6), right pole shoe (7) which embeds an O-sealing-ring (8) and right bearing (9) are installed in the big bore of the water jacket (16). A magnetic fluid (15) is pored into the inner wall of the orbicular permanent magnet. A flux sleeve (2) is encased in the seal gland, left bearing, left pole shoe, permanent magnet, right pole shoe, and the bore of right bearing. Clinging to the right bearing, a nylon pad (10) fits the flux sleeve and is encased into the sealed gland. Pressure Apparatus (14) is connected with the screw thread at the right side of the flux sleeve, clamping apparatus (11) is tightened in the screw thread bore of the seal gland through the screw thread and the nylon pad is compacted. The device applies to magnetic liquid vacuum sealing of monocrystalline silicon furnace.
Description
Technical field
The utility model belongs to mechanical engineering magnetic fluid sealing field, is specially adapted to the magnetic liquid vacuum seal on the monocrystaline silicon stove.
Technical background
Number of patent application is 200610011741.5, the denomination of invention sealing anti-drip device of high temp magnetic liquid.Its structure comprises: O RunddichtringO, concentrating flux sleeve, stuffing box gland, left bearing, left pole shoe, permanent magnet, right pole shoe, right bearing, nylon pad, clamping cap, locking cap, permanent magnet, pressure cap, magnetic liquid.Its left bearing, the left pole shoe, the permanent magnet that are embedded with the O RunddichtringO, the right pole shoe, the right bearing that are embedded with the O RunddichtringO are close to diapire on the stuffing box gland stuffing box gland of packing into successively from left to right.Magnetic liquid injects the inwall of annular permanent magnet, and is adsorbed on the annular permanent magnet.Concentrating flux sleeve is packed in the endoporus of stuffing box gland, left bearing, left pole shoe, permanent magnet, right pole shoe, right bearing, in the process that concentrating flux sleeve is packed into, in the gap between magnetic liquid inflow concentrating flux sleeve and left pole shoe, concentrating flux sleeve and the right pole shoe, form a sealing magnetic circuit between left pole shoe, permanent magnet, right pole shoe, magnetic liquid, concentrating flux sleeve, the magnetic liquid.The one side direction right side of step hole is arranged on the nylon pad, be close to right bearing, be enclosed within the stuffing box gland of packing on the concentrating flux sleeve; The one side that is bonded in the permanent magnet in the circular groove of pressure cap left with being threaded of concentrating flux sleeve right-hand member; Clamping cap is threaded onto on the stuffing box gland by screw-thread fit, compresses nylon pad.Because this device is operated under the temperature condition with higher, make the magnetic of permanent magnet descend, magnetic liquid also descends with the reduction of rising viscosity, the magnetic behavior of temperature, causes sealability to descend, even destroys the sealability of magnetic fluid sealing.
Summary of the invention:
The technical problems to be solved in the utility model is that the magnetic behavior Yin Wendu that overcomes existing magnetic fluid seal device permanent magnet and magnetic liquid raises and descends, and a kind of high-temperature magnetic liquid seal water cooling plant is provided.
The technological scheme that the utility model technical solution problem is adopted is: this device comprises, O RunddichtringO, concentrating flux sleeve, stuffing box gland, left bearing, left pole shoe, permanent magnet, right pole shoe, right bearing, nylon pad, clamping cap, locking cap, magnetic liquid, pressure cap, water jacket; Its water jacket that is embedded with the O RunddichtringO is close in the endoporus that the stuffing box gland diapire is installed in stuffing box gland, and left bearing, the left pole shoe, the permanent magnet that are embedded with the O RunddichtringO, the right pole shoe that is embedded with the O RunddichtringO, right bearing are installed in the macropore of water jacket from left to right successively.Magnetic liquid injects the inwall of annular permanent magnet, and is adsorbed on the annular permanent magnet.Concentrating flux sleeve is packed in stuffing box gland, left bearing, left pole shoe, permanent magnet, right pole shoe, the right bearing endoporus from left to right, in the process that concentrating flux sleeve is packed into, in the gap between magnetic liquid inflow concentrating flux sleeve and left pole shoe, concentrating flux sleeve and the right pole shoe, between left pole shoe, permanent magnet, right pole shoe, magnetic liquid, concentrating flux sleeve, magnetic liquid, form a sealing magnetic circuit.The one side direction right side of step hole is arranged on the nylon pad, be close to right bearing, be enclosed within the stuffing box gland of packing on the concentrating flux sleeve.The one side that is bonded in the permanent magnet in the circular groove of pressure cap left with being threaded of concentrating flux sleeve right-hand member; Clamping cap is threaded onto on the tapped hole of stuffing box gland by screw-thread fit, compresses nylon pad.
The beneficial effects of the utility model are: owing to increased water cooling plant on magnetic fluid seal device.Circulating water can effectively be taken away heat.The magnetic behavior that has guaranteed permanent magnet can not reduce, and magnetic liquid can not change its viscosity influence magnetic behavior yet simultaneously.The utility model is simple in structure, and it is convenient to realize.
Description of drawings
The structural drawing of a kind of high-temperature magnetic liquid seal of Fig. 1 water cooling plant.
Among the figure: O RunddichtringO 1, concentrating flux sleeve 2, stuffing box gland 3, left bearing 4, left pole shoe 5, permanent magnet 6, right pole shoe 7, O RunddichtringO 8, right bearing 9, nylon pad 10, clamping cap 11, locking cap 12, permanent magnet 13, pressure cap 14, magnetic liquid 15, water jacket 16, O RunddichtringO 17.
Fig. 2 is the plan view of stuffing box gland 3.
Fig. 3 is the plan view of water jacket 17.
Embodiment
With the accompanying drawing is that the utility model is described in further detail for embodiment:
A kind of high-temperature magnetic liquid sealing device comprises: O RunddichtringO 1, concentrating flux sleeve 2, stuffing box gland 3, left bearing 4, left pole shoe 5, permanent magnet 6, right pole shoe 7, O RunddichtringO 8, right bearing 9, nylon pad 10, clamping cap 11, locking cap 12, permanent magnet 13, pressure cap 14, magnetic liquid 15, water jacket 16, O RunddichtringO 17.
The water jacket 16 that is embedded with O RunddichtringO 17 is close to V in the endoporus that stuffing box gland 3 diapire IV are installed in stuffing box gland 3, and left bearing 4, the left pole shoe 5 that is embedded with O RunddichtringO 8, permanent magnet 6, the right pole shoe 7 that is embedded with O RunddichtringO 8, right bearing 9 are installed in the macropore of water jacket 16 from left to right successively.Magnetic liquid 15 injects the inwall of annular permanent magnet 6, and is adsorbed on the annular permanent magnet 6.Concentrating flux sleeve 2 is packed in stuffing box gland 3, left bearing 4, left pole shoe 5, permanent magnet 6, right pole shoe 7, right bearing 9 endoporus from left to right, in the process that concentrating flux sleeve 2 is packed into, in the gap that magnetic liquid 15 flows between concentrating flux sleeve 2 and left pole shoe 5, concentrating flux sleeve 2 and the right pole shoe 7, between left pole shoe 5, permanent magnet 6, right pole shoe 7, magnetic liquid 15, concentrating flux sleeve 2, magnetic liquid 15, form a sealing magnetic circuit.The one side direction right side of step hole is arranged on the nylon pad 10, be close to right bearing 9, be enclosed within the stuffing box gland 3 of packing on the concentrating flux sleeve 2.The one side that is bonded in the permanent magnet 13 in the circular groove of pressure cap 14 left with being threaded of concentrating flux sleeve 2 right-hand members; Clamping cap 11 is threaded onto on the tapped hole VII of stuffing box gland 3 by screw-thread fit, compresses nylon pad 10.
Fig. 2 is the structure of stuffing box gland 3, which is provided with: step hole I, step hole II, step hole III, diapire IV, endoporus V, osculum VI, tapped hole VII, water inlet VIII.Wherein step hole I is a position relevant auxiliary hole coupled with needs; Step hole II blocks the cover shoulder on the concentrating flux sleeve 2 when being the assembling of positioning hole, the relative position of concentrating flux sleeve 2 and stuffing box gland 3 is positioned; Tapped hole VII is used for being connected with clamping cap 11.Water inlet VIII and osculum VI are two tapped holes, and the centre that is positioned at stuffing box gland 3 is symmetrical position up and down, is used for linking to each other with water-cooling tube.Stuffing box gland 3 is to be made by non-magnet material.
The structure of nylon pad 10 is seen Fig. 1, a step hole is arranged on it, and aperture is to be connected movingly with concentrating flux sleeve 2, gives pressure cap 14 slot millings that are bonded with permanent magnet 13 in the macropore, the diameter of macropore is greater than the external diameter of pressure cap 14, and the endoporus V of the external diameter of nylon pad 10 and stuffing box gland 3 equates.
The structure of pressure cap 14 is seen Fig. 1, and a circular groove is arranged on the pressure cap 14, and the height of the degree of depth of circular groove and permanent magnet 13 equates that permanent magnet 13 is bonded in the circular groove of pressure cap 14.Four auxiliary holes that evenly distribute on circular groove, wherein the endoporus of pressure cap 14 is tapped holes, is used for and being connected of concentrating flux sleeve 2.On the basis that guarantees technology, the thickness between circular trough and the endoporus is the smaller the better, so that can effectively adsorb magnetic liquid, promptly d should be as far as possible little.Pressure cap 14 is made by non-magnet material.
The structure of concentrating flux sleeve 2 is seen Fig. 1, the left end of concentrating flux sleeve 2 is established a cover shoulder, and its effect is to be stuck in the step hole II of stuffing box gland 3 to realize the location, opens a groove on the end face of cover shoulder, built-in O RunddichtringO 1, its effect are the static seals of realizing between axle and the concentrating flux sleeve 2.Step hole III on concentrating flux sleeve 2 and the stuffing box gland 3, left pole shoe 5, right pole shoe 7, nylon pad 10 all are the relations of installing movingly, and the endoporus of concentrating flux sleeve 2 and axle 12 are interference fit.Concentrating flux sleeve 2 right-hand members have one section outside thread, are used for being connected with pressure cap 14.
The structure of water jacket 16 is seen Fig. 3, water jacket 16 is provided with a step hole, its hole diameter is greater than the external diameter of concentrating flux sleeve 2, and big bore dia equals the external diameter of left bearing 4, left pole shoe 5, right pole shoe 7, right bearing 9, and macropore and left bearing 4, left pole shoe 5, right pole shoe 7, right bearing 9 are Spielpassung.The equal diameters of the endoporus V of the external diameter of water jacket 16 and stuffing box gland 3 is Spielpassung between them.Open three circular troughs on water jacket 16 outer surfaces, the middle circular trough and the inwall of stuffing box gland 3 form a cooling water channel, are communicated with cooling water pipeline by stuffing box gland 3 osculum VI, water inlet VIII; O RunddichtringO 17 embeds in the circular groove at water jacket 16 two ends, prevents that gas and cooling water from entering sealing system.Water jacket 16 is made by non-magnet material.
The structure of nylon pad 10, pressure cap 14, concentrating flux sleeve 2 and material and number of patent application 200610011741.5, the denomination of invention sealing anti-drip device of high temp magnetic liquid is identical.
Magnetic liquid 15 is used magnetic liquid for logical with sealing.
Claims (2)
1. high-temperature magnetic liquid seal water cooling plant, this device comprises: O RunddichtringO (1), concentrating flux sleeve (2), stuffing box gland (3), left bearing (4), left pole shoe (5), permanent magnet (6), right pole shoe (7), O RunddichtringO (8), right bearing (9), nylon pad (10), clamping cap (11), locking cap (12), permanent magnet (13), pressure cap (14), magnetic liquid (15); Pack into the successively from left to right endoporus (V) of stuffing box gland (3) of its left bearing (4), the left pole shoe (5) that is embedded with O RunddichtringO (8), permanent magnet (6), the right pole shoe (7) that is embedded with O RunddichtringO (8), right bearing (9); Magnetic liquid (15) injects the inwall of annular permanent magnet (6), and is adsorbed on the annular permanent magnet (6); Concentrating flux sleeve (2) is packed in stuffing box gland (3), left bearing (4), left pole shoe (5), permanent magnet (6), right pole shoe (7), right bearing (9) endoporus from left to right, in the process that concentrating flux sleeve (2) is packed into, in the gap between magnetic liquid (15) inflow concentrating flux sleeve (2) and left pole shoe (5), concentrating flux sleeve (2) and the right pole shoe (7), between left pole shoe (5), permanent magnet (6), right pole shoe (7), magnetic liquid (15), concentrating flux sleeve (2), magnetic liquid (15), form a sealing magnetic circuit; The one side direction right side of step hole is arranged on the nylon pad (10), be close to right bearing (9), be enclosed within the stuffing box gland (3) of packing on the concentrating flux sleeve (2); The one side that is bonded in the permanent magnet (13) in the circular groove of pressure cap (14) left with being threaded of concentrating flux sleeve (2) right-hand member; Clamping cap (11) is threaded onto on the tapped hole (VII) of stuffing box gland (3) by screw-thread fit, compresses nylon pad (10); It is characterized in that: the water jacket (16) that is embedded with O RunddichtringO (17) is close in the endoporus (V) that stuffing box gland (3) diapire (IV) is installed in stuffing box gland (3), and left bearing (4), the left pole shoe (5) that is embedded with O RunddichtringO (8), permanent magnet (6), the right pole shoe (7) that is embedded with O RunddichtringO (8), right bearing (9) are installed in the macropore of water jacket (16) step hole from left to right successively; Macropore and left bearing (4), left pole shoe (5), right pole shoe (7), right bearing (9) are Spielpassung; Open three circular troughs on water jacket (16) outer surface, the middle circular trough and the inwall of stuffing box gland (3) form a cooling water channel; There are two tapped holes the laterally zygomorphic position, centre of stuffing box gland (3): osculum (VI) and water inlet (VIII), and they communicate with cooling water channel and are connected with cooling water pipeline; O RunddichtringO (17) embeds in the circular groove at water jacket (16) two ends, prevents that gas and cooling water from entering sealing system.
2. according to claims 1 described high-temperature magnetic liquid seal water cooling plant, it is characterized in that: water jacket (16) is provided with a step hole, its hole diameter is greater than the external diameter of concentrating flux sleeve (2), and big bore dia equals the external diameter of left bearing (4), left pole shoe (5), right pole shoe (7), right bearing (9); The equal diameters of the endoporus (V) of the external diameter of water jacket (16) and stuffing box gland (3) is Spielpassung between them.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620023103 CN200943707Y (en) | 2006-06-16 | 2006-06-16 | High temperature magnetic liquid seal water-cooling device |
Applications Claiming Priority (1)
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CN 200620023103 CN200943707Y (en) | 2006-06-16 | 2006-06-16 | High temperature magnetic liquid seal water-cooling device |
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CN200943707Y true CN200943707Y (en) | 2007-09-05 |
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CN 200620023103 Expired - Fee Related CN200943707Y (en) | 2006-06-16 | 2006-06-16 | High temperature magnetic liquid seal water-cooling device |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101420147B (en) * | 2008-12-08 | 2010-09-29 | 北京交通大学 | Electric main shaft sealing construction for carving, milling and grinding |
CN104181194A (en) * | 2014-08-28 | 2014-12-03 | 北京交通大学 | Experimental device for studying heat transfer property of magnetic liquid |
CN104482213A (en) * | 2014-12-15 | 2015-04-01 | 青岛科技大学 | Internal mixer rotor sealing device |
CN106195278A (en) * | 2016-08-30 | 2016-12-07 | 自贡兆强环保科技股份有限公司 | A kind of high speed cold blower fan magnetic fluid seal device |
CN106369169A (en) * | 2016-10-27 | 2017-02-01 | 北京交通大学 | Steam-proof magnetic liquid sealing device for reactor |
CN106402400A (en) * | 2016-10-27 | 2017-02-15 | 北京交通大学 | Anti-corrosion steam reaction kettle magnetic liquid sealing device |
CN106402388A (en) * | 2016-10-25 | 2017-02-15 | 北京交通大学 | Copper-ring water-cooling type magnetic liquid sealing device |
CN108869751A (en) * | 2018-08-13 | 2018-11-23 | 广西科技大学 | A kind of combined magnetic fluid reciprocation sealing structure |
CN113357370A (en) * | 2021-07-14 | 2021-09-07 | 北京交通大学 | Magnetic liquid sealing device capable of adjusting number of pole teeth |
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2006
- 2006-06-16 CN CN 200620023103 patent/CN200943707Y/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101420147B (en) * | 2008-12-08 | 2010-09-29 | 北京交通大学 | Electric main shaft sealing construction for carving, milling and grinding |
CN104181194A (en) * | 2014-08-28 | 2014-12-03 | 北京交通大学 | Experimental device for studying heat transfer property of magnetic liquid |
CN104482213A (en) * | 2014-12-15 | 2015-04-01 | 青岛科技大学 | Internal mixer rotor sealing device |
CN106195278A (en) * | 2016-08-30 | 2016-12-07 | 自贡兆强环保科技股份有限公司 | A kind of high speed cold blower fan magnetic fluid seal device |
CN106195278B (en) * | 2016-08-30 | 2017-11-28 | 自贡兆强环保科技股份有限公司 | A kind of high speed air-cooler magnetic fluid seal device |
CN106402388A (en) * | 2016-10-25 | 2017-02-15 | 北京交通大学 | Copper-ring water-cooling type magnetic liquid sealing device |
CN106402388B (en) * | 2016-10-25 | 2018-02-13 | 北京交通大学 | Copper ring water-cooled magnetic fluid seal device |
CN106369169A (en) * | 2016-10-27 | 2017-02-01 | 北京交通大学 | Steam-proof magnetic liquid sealing device for reactor |
CN106402400A (en) * | 2016-10-27 | 2017-02-15 | 北京交通大学 | Anti-corrosion steam reaction kettle magnetic liquid sealing device |
CN106402400B (en) * | 2016-10-27 | 2018-02-16 | 北京交通大学 | The reactor magnetic fluid seal device of anticorrosion steam |
CN108869751A (en) * | 2018-08-13 | 2018-11-23 | 广西科技大学 | A kind of combined magnetic fluid reciprocation sealing structure |
CN113357370A (en) * | 2021-07-14 | 2021-09-07 | 北京交通大学 | Magnetic liquid sealing device capable of adjusting number of pole teeth |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20100616 |