CN106195278B - A kind of high speed air-cooler magnetic fluid seal device - Google Patents
A kind of high speed air-cooler magnetic fluid seal device Download PDFInfo
- Publication number
- CN106195278B CN106195278B CN201610780524.6A CN201610780524A CN106195278B CN 106195278 B CN106195278 B CN 106195278B CN 201610780524 A CN201610780524 A CN 201610780524A CN 106195278 B CN106195278 B CN 106195278B
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- China
- Prior art keywords
- ring
- water jacket
- seal receptacle
- shaped water
- sealing
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a kind of high speed air-cooler magnetic fluid seal device, including seal receptacle, cool down through oil hole and magnetic conduction axle sleeve, the seal receptacle is fixed on the casing of sealing station by soket head cap screw two, the inner surface left and right ends of seal receptacle are connected with cooling jacket by soket head cap screw four and soket head cap screw one, the sealing seating face is provided with pole shoe one by union (screwed)bonnet (UB, pole shoe two, permanent magnet, ring-shaped water jacket one and ring-shaped water jacket two, coolant outlet is provided with one end of seal receptacle, and the other end of seal receptacle is provided with cooling water inlet, the left and right ends of seal receptacle are respectively equipped with ring-shaped water jacket two and ring-shaped water jacket one, and ring-shaped water jacket two and ring-shaped water jacket one are connected with cooling jacket.The high speed air-cooler magnetic fluid seal device, for substituting the weak point of mechanical seal and packing seal, used suitable for sealing station installing space is small with the place for being not allow for dielectric leakage, sealing effectiveness is preferable.
Description
Technical field
The present invention relates to sealing device technical field, specially a kind of high speed air-cooler magnetic fluid seal device.
Background technology
Certain negative pressure be present close to blade root in gas wheel cavity during high speed cold blower fan work, this causes close to impeller
Lubricating oil in the gear tank at position certain leakage rate because differential pressure action is present, oil and conveying gas are not allowed in actual motion
Wheel cavity in gas medium mix, the mode for relying primarily on mechanical seal and packing seal now is sealed, machine
Tool seals and packing seal has following deficiency：
Mechanical seal：It is by a pair or several to making the relative end face slided in Fluid pressure and the bullet of compensation mechanism perpendicular to axle
Power effect is lower to keep fitting, and is equipped with auxiliary seal and reaches the gland seal device of Drain Resistance, and this causes it certain using above occupying
Space, and air-cooler installation sealing locational space it is small, this causes its use to be subject to certain restrictions.
Packing seal：It is after filler is loaded into packing cavity, it to be compressed axially through gland screw, when axle and filler have
During relative motion, due to the plasticity of filler, it is produced radial load, and be in close contact with axle, this causes filler to axle or axle sleeve
Produce certain abrasion, while need often to change, sealing effectiveness is bad, cause it is inconvenient for use, therefore, it is proposed that a kind of high
Quickly cooling blower fan magnetic fluid seal device.
The content of the invention
The technical problem to be solved in the present invention is to overcome the defects of existing, there is provided a kind of high speed air-cooler magnetic liquid is close
Seal apparatus is small and do not allow suitable for sealing station installing space for substituting the weak point of mechanical seal and packing seal
There is the place use of dielectric leakage, sealing effectiveness is preferable, effectively can solve the problems, such as in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of high speed air-cooler is filled with magnetic fluid sealing
Put, including seal receptacle, cooling through oil hole and magnetic conduction axle sleeve, the seal receptacle are fixed on sealing station by soket head cap screw two
Casing on, the inner surface left and right ends of seal receptacle are connected with cooling jacket by soket head cap screw four and soket head cap screw one,
The sealing seating face is provided with pole shoe one, pole shoe two, permanent magnet, ring-shaped water jacket one and ring-shaped water jacket two by union (screwed)bonnet (UB,
Coolant outlet is provided with one end of seal receptacle, and the other end of seal receptacle is provided with cooling water inlet, the left and right ends of seal receptacle
Ring-shaped water jacket two and ring-shaped water jacket one are respectively equipped with, and ring-shaped water jacket two and ring-shaped water jacket one are connected with cooling jacket,
Pole shoe two, permanent magnet and pole shoe one, the magnetic conduction axle sleeve are from left to right sequentially provided between ring-shaped water jacket two and ring-shaped water jacket one
It is fixed on by soket head cap screw three on main shaft, and magnetic conduction axle sleeve rotates with main shaft, and the cooling through oil hole runs through
On the left of magnetic conduction axle sleeve, the cooling through oil hole top is from left to right provided with cooling oil passage three, the and of cooling oil passage two successively
Cooling oil passage one.
As a preferred technical solution of the present invention, sealing ring two, seal receptacle and cooling are provided with the right side of the seal receptacle
The junction of water jacket is provided with sealing ring four and sealing ring one.
As a preferred technical solution of the present invention, it is close that the seal receptacle close to the side of union (screwed)bonnet (UB is provided with broach
Envelope, and the broach of labyrinth seal is rectangular.
As a preferred technical solution of the present invention, the surface of the pole shoe two and pole shoe one offers annular tooth,
Annular tooth is rectangle or trapezoidal, and the junction of pole shoe two and seal receptacle is provided with sealing ring seven, the company of the pole shoe one and seal receptacle
Meet place and be provided with sealing ring eight.
As a preferred technical solution of the present invention, the magnetic conduction axle sleeve is provided with sealing ring three with main shaft junction.
As a preferred technical solution of the present invention, divide at left and right sides of the junction of the ring-shaped water jacket two and seal receptacle
She You not sealing ring five and sealing ring six.
As a preferred technical solution of the present invention, divide at left and right sides of the junction of the ring-shaped water jacket one and seal receptacle
She You not sealing ring nine and sealing ring ten.
As a preferred technical solution of the present invention, the ring-shaped water jacket one and seal receptacle junction form water outlet respectively
Mouth and water inlet.
Compared with prior art, the beneficial effects of the invention are as follows：This high speed air-cooler magnetic fluid seal device, cooling
Water in water jacket effectively can take away the heat of high-temperature gas, magnetic fluid sealing is not influenceed by high-temperature medium, Ran Houqi
Body medium steadily excessively arrives magnetic fluid sealing position through broach, can effectively prevent the unexpected rise of gas pressure to magnetic liquid
Sealing causes to puncture, and magnetic fluid sealing is not hit the influence of pressure, ring-shaped water jacket one and ring-shaped water jacket two can be by magnetic
The heat that hydraulic seal is distributed is taken away, and prevents from causing the actual effect of sealing, magnetic liquid because magnetic liquid operating temperature is too high
By the response characteristic to magnetic field, in the magnetic loop that pole shoe one, pole shoe two, permanent magnet and magnetic conduction axle sleeve are formed, adsorb two
In the gap of individual pole shoe and magnetic conduction axle sleeve, play a part of sealing, effectively gas medium and lubricating oil can isolate and close
Envelope；In this sealing device, only magnetic conduction axle sleeve rotates with main shaft, and magnetic fluid sealing forms a kind of outer magnetic loops, can
Effectively magnetic liquid is prevented to be thrown out of at high speed；Other magnetic conductive axis put the passage for being provided with cooling oil, with main shaft
Turning effort under, cooling oil takes away most of heat of sealing position, magnetic fluid sealing position can be played well
Cooling effect, final realize all are played to the gas medium in the wheel cavity of the oil in air-cooler gear tank and conveying gas
Sealing function.
Brief description of the drawings
Fig. 1 is structure sectional view of the present invention.
In figure：1 cooling jacket, 2 soket head cap screws one, 3 sealing rings one, 4 delivery ports, 5 seal receptacles, in 6 sealing rings two, 7
Hex screw two, 8 coolant outlets, 9 ring-shaped water jackets one, 10 cooling oil passages one, 11 pole shoes one, 12 cooling oil passages two, 13
Permanent magnet, 14 cooling oil passages three, 15 pole shoes two, 16 ring-shaped water jackets two, 17 cooling through oil hole, 18 union (screwed)bonnet (UBs, 19 magnetic conductions
Axle sleeve, 20 labyrinth seals, 21 soket head cap screws three, 22 sealing rings three, 23 soket head cap screws four, 24 sealing rings four, 25 sealing rings
5th, 26 sealing rings six, 27 sealing rings seven, 28 sealing rings eight, 29 sealing rings nine, 30 sealing rings ten, 31 cooling water inlets, 32 water inlets
Mouth, 33 main shafts.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of high speed air-cooler magnetic fluid seal device, bag
Seal receptacle 5, cooling through oil hole 17 and magnetic conduction axle sleeve 19 are included, the right side of seal receptacle 5 is provided with sealing ring 26, seal receptacle 5 and cooling water
The junction of set 1 is provided with sealing ring 4 24 and sealing ring 1, and seal receptacle 5 is fixed on sealing station by soket head cap screw 27
On casing, the inner surface left and right ends of seal receptacle 5 are connected with cooling jacket by soket head cap screw 4 23 and soket head cap screw 1
1, the surface of seal receptacle 5 is provided with pole shoe 1, pole shoe 2 15, permanent magnet 13, ring-shaped water jacket 1 and annular by union (screwed)bonnet (UB 18
Water jacket 2 16, cooling water flow into by the cooling water inlet 31 on seal receptacle 5, flow through cooling jacket 1 and the He of ring-shaped water jacket 2 16
Ring-shaped water jacket 1, then flowed out from coolant outlet 8, it is cold when high-temperature gas flows through the gap between cooling jacket 1 and main shaft
But the water in water jacket 1 effectively can take away the heat of high-temperature gas, magnetic fluid sealing is not influenceed by high-temperature medium, sealing
Seat 5 is provided with labyrinth seal 20 close to the side of union (screwed)bonnet (UB 18, and the broach of labyrinth seal 20 is rectangular, and gas medium is through broach
Sealing 20 steadily excessively arrives magnetic fluid sealing position, can effectively prevent the unexpected rise of gas pressure from being made to magnetic fluid sealing
Into breakdown, magnetic fluid sealing is set not to be hit the influence of pressure, ring-shaped water jacket 1 and ring-shaped water jacket 2 16 can be by magnetic liquids
The distributed heat of sealing is taken away, and prevents from causing the failure of sealing because magnetic liquid operating temperature is too high, the one of seal receptacle 5
End is provided with coolant outlet 8, and the other end of seal receptacle is provided with cooling water inlet 31, and the left and right ends of seal receptacle 5 are respectively equipped with
The junction of ring-shaped water jacket 2 16 and ring-shaped water jacket 1, ring-shaped water jacket 1 and seal receptacle 5 is respectively arranged on the left side and the right side sealing ring
9 29 and sealing ring 10, and ring-shaped water jacket 2 16 and ring-shaped water jacket 1 are connected with cooling jacket 1, the He of ring-shaped water jacket 1
The junction of seal receptacle 5 forms the junction left and right sides of delivery port 4 and water inlet 32, ring-shaped water jacket 2 16 and seal receptacle 5 respectively
Sealing ring 5 25 and sealing ring 6 26 are respectively equipped with, is from left to right set successively between ring-shaped water jacket 2 16 and ring-shaped water jacket 1
There are pole shoe 2 15, permanent magnet 13 and a pole shoe 1, the surface of pole shoe 2 15 and pole shoe 1 offers annular tooth, and annular tooth is
Rectangle is trapezoidal, and the junction of pole shoe 2 15 and seal receptacle 5 is provided with sealing ring 7 27, and magnetic liquid is special by the response to magnetic field
Property, in the magnetic loop that pole shoe 1, pole shoe 2 15, permanent magnet 13 and magnetic conduction axle sleeve 19 are formed, adsorb in pole shoe 1, pole shoe
2 15 and the gap of magnetic conduction axle sleeve 19 in, play a part of sealing, effectively liquids and gases medium can be isolated and sealed, pole
The junction of boots 1 and seal receptacle 5 is provided with sealing ring 8 28, and magnetic conduction axle sleeve 19 is fixed on main shaft by soket head cap screw 3 21
On 33, magnetic conduction axle sleeve 19 is provided with sealing ring 3 22 with the junction of main shaft 33, and magnetic conduction axle sleeve 19 rotates with main shaft 33, cold
But through oil hole 17 is from left to right provided with cooling oil passage three successively through the left side of magnetic conduction axle sleeve 19, cooling through oil hole 17 top
14th, cooling oil passage 2 12 and cooling oil passage 1, in this sealing device, only magnetic conduction axle sleeve 19 is with 33 turns of main shaft
Dynamic, magnetic fluid sealing forms a kind of outer magnetic loops, effectively magnetic liquid can be prevented to be thrown out of at high speed, in addition magnetic conduction
The passage of cooling oil is provided with axle sleeve 19, under the turning effort with main shaft 33, cooling oil is by the major part of sealing position
Heat is taken away, and good cooling effect can be played to magnetic fluid sealing position, is finally realized in air-cooler gear tank
Gas medium in wheel cavity of the oil with conveying gas, which all plays, isolates and sealing function.
When in use：Cooling water flows into by the cooling water inlet 31 on seal receptacle 5, flows through cooling jacket 1 and annular water
2 16 and ring-shaped water jacket 1 are covered, are then flowed out from coolant outlet 8, between high-temperature gas is flowed through between cooling jacket 1 and main shaft
During gap, the water in cooling jacket 1 effectively can take away the heat of high-temperature gas, make shadow of the magnetic fluid sealing not by high-temperature medium
Ring, then gas medium steadily excessively arrives magnetic fluid sealing position through labyrinth seal 20, can effectively prevent the prominent of gas pressure
So rise causes to puncture to magnetic fluid sealing, magnetic fluid sealing is not hit the influence of pressure, ring-shaped water jacket 1 and ring
The heat that shape water jacket 2 16 can be distributed magnetic fluid sealing is taken away, prevent because magnetic liquid operating temperature is too high cause it is close
The actual effect of envelope, wherein cooling jacket 1 are fixed on seal receptacle 5 by soket head cap screw 1 and soket head cap screw 4 23, pole shoe one
11st, pole shoe 2 15, permanent magnet 13, ring-shaped water jacket 1 and ring-shaped water jacket 2 16 are fixed on seal receptacle 5 by union (screwed)bonnet (UB 18；
Magnetic liquid is by the response characteristic to magnetic field, in the magnetic that pole shoe 1, pole shoe 2 15, permanent magnet 13 and magnetic conduction axle sleeve 19 are formed
In loop, adsorb in pole shoe 1, pole shoe 2 15 and the gap of magnetic conduction axle sleeve 19, play a part of sealing, can be effectively to liquid
Isolated with gas medium and sealed；In this sealing device, only magnetic conduction axle sleeve 19 rotates with main shaft 33, magnetic liquid
Sealing forms a kind of outer magnetic loops, effectively magnetic liquid can be prevented to be thrown out of at high speed；Opened on other magnetic conduction axle sleeve 19
There is the passage of cooling oil, under the turning effort with main shaft 33, cooling oil takes away most of heat of sealing position, can
Good cooling effect is played to magnetic fluid sealing position, it is final to realize to the oil in air-cooler gear tank and conveying gas
Wheel cavity in gas medium all play isolation and sealing function.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of high speed air-cooler magnetic fluid seal device, including seal receptacle, cooling through oil hole and magnetic conduction axle sleeve, it is special
Sign is：The seal receptacle is fixed on the casing of sealing station by soket head cap screw two, inner surface of seal receptacle or so two
End is connected with cooling jacket by soket head cap screw four and soket head cap screw one, and the sealing seating face is installed by union (screwed)bonnet (UB
There are pole shoe one, pole shoe two, permanent magnet, ring-shaped water jacket one and ring-shaped water jacket two, coolant outlet is provided with one end of seal receptacle, and
The other end of seal receptacle is provided with cooling water inlet, and the left and right ends of seal receptacle are respectively equipped with ring-shaped water jacket two and ring-shaped water jacket one,
And ring-shaped water jacket two and ring-shaped water jacket one are connected with cooling jacket, between ring-shaped water jacket two and ring-shaped water jacket one from a left side to
The right side is sequentially provided with pole shoe two, permanent magnet and pole shoe one, and the magnetic conduction axle sleeve is fixed on main shaft by soket head cap screw three, and
Magnetic conduction axle sleeve rotates with main shaft, and the cooling through oil hole is on the left of magnetic conduction axle sleeve, the cooling through oil hole top
Cooling oil passage three, cooling oil passage two and cooling oil passage one are from left to right provided with successively.
A kind of 2. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The sealing
Seat right side is provided with sealing ring two, and the junction of seal receptacle and cooling jacket is provided with sealing ring four and sealing ring one.
A kind of 3. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The sealing
The side for seating against nearly union (screwed)bonnet (UB is provided with labyrinth seal, and the broach of labyrinth seal is rectangular.
A kind of 4. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The pole shoe
Two and the surface of pole shoe one offer annular tooth, annular tooth is rectangle or trapezoidal, and the junction of pole shoe two and seal receptacle is provided with
Sealing ring seven, the junction of the pole shoe one and seal receptacle are provided with sealing ring eight.
A kind of 5. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The magnetic conduction
Axle sleeve is provided with sealing ring three with main shaft junction.
A kind of 6. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The annular
The junction of water jacket two and seal receptacle is respectively arranged on the left side and the right side sealing ring five and sealing ring six.
A kind of 7. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The annular
The junction of water jacket one and seal receptacle is respectively arranged on the left side and the right side sealing ring nine and sealing ring ten.
A kind of 8. high speed air-cooler magnetic fluid seal device according to claim 1, it is characterised in that：The annular
Water jacket one and seal receptacle junction form delivery port and water inlet respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780524.6A CN106195278B (en) | 2016-08-30 | 2016-08-30 | A kind of high speed air-cooler magnetic fluid seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780524.6A CN106195278B (en) | 2016-08-30 | 2016-08-30 | A kind of high speed air-cooler magnetic fluid seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195278A CN106195278A (en) | 2016-12-07 |
| CN106195278B true CN106195278B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780524.6A Active CN106195278B (en) | 2016-08-30 | 2016-08-30 | A kind of high speed air-cooler magnetic fluid seal device |
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| CN (1) | CN106195278B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105146B (en) * | 2018-01-30 | 2023-12-29 | 天津长瑞大通流体控制系统有限公司 | System for cutting off leakage of fan gas material by adopting wet seal with barrier liquid |
| CN111457100B (en) * | 2020-04-24 | 2021-02-19 | 中国矿业大学 | Axial and radial combined type magnetic liquid sealing structure |
| CN112178202B (en) * | 2020-10-19 | 2021-08-20 | 清华大学 | Magnetic Fluid Seals for Sealing Dust |
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|---|---|---|---|---|
| CN200943707Y (en) * | 2006-06-16 | 2007-09-05 | 北京交通大学 | High temperature magnetic liquid seal water-cooling device |
| CN201354756Y (en) * | 2009-01-09 | 2009-12-02 | 龚正勤 | Ferrofluid shaft seal |
| CN103574041A (en) * | 2013-11-08 | 2014-02-12 | 北京交通大学 | Cooling groove and centrifugal combined magnetic liquid rotating and sealing device |
| CN104197024A (en) * | 2014-08-06 | 2014-12-10 | 北京交通大学 | Peristaltic pumping circulation cooling type magnetic liquid sealing device |
| CN104500751A (en) * | 2014-12-12 | 2015-04-08 | 北京交通大学 | High temperature-resisting magnetic liquid sealing device |
| CN206234364U (en) * | 2016-08-30 | 2017-06-09 | 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04321881A (en) * | 1991-04-23 | 1992-11-11 | Tokin Corp | Magnetic seal rotation introducing machine |
-
2016
- 2016-08-30 CN CN201610780524.6A patent/CN106195278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200943707Y (en) * | 2006-06-16 | 2007-09-05 | 北京交通大学 | High temperature magnetic liquid seal water-cooling device |
| CN201354756Y (en) * | 2009-01-09 | 2009-12-02 | 龚正勤 | Ferrofluid shaft seal |
| CN103574041A (en) * | 2013-11-08 | 2014-02-12 | 北京交通大学 | Cooling groove and centrifugal combined magnetic liquid rotating and sealing device |
| CN104197024A (en) * | 2014-08-06 | 2014-12-10 | 北京交通大学 | Peristaltic pumping circulation cooling type magnetic liquid sealing device |
| CN104500751A (en) * | 2014-12-12 | 2015-04-08 | 北京交通大学 | High temperature-resisting magnetic liquid sealing device |
| CN206234364U (en) * | 2016-08-30 | 2017-06-09 | 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 |
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| CN106195278A (en) | 2016-12-07 |
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Denomination of invention: Magnetic liquid sealing device for high-speed air cooler Effective date of registration: 20200424 Granted publication date: 20171128 Pledgee: Zigong industrial and Credit Enterprise Investment Co., Ltd. Pledgor: ZIGONG ZHAOQIANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020510000038 |