CN205349835U - Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure - Google Patents
Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure Download PDFInfo
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- CN205349835U CN205349835U CN201620081708.9U CN201620081708U CN205349835U CN 205349835 U CN205349835 U CN 205349835U CN 201620081708 U CN201620081708 U CN 201620081708U CN 205349835 U CN205349835 U CN 205349835U
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- pole shoe
- stage high
- magnetic
- axle sleeve
- sealing ring
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Abstract
The utility model discloses a single -stage high speed centrifugation formula air -blower magnetic fluid seal structure belongs to magnetic fluid rotary seal, is applicable to gaseous the sealing of single -stage high speed centrifugation formula air -blower pumped (conveying) medium. This is sealed to the magnetic conduction axle sleeve, end terminal no. 1, end terminal no. 2, end terminal no. 3, end terminal no. 4, end terminal no. 5, the permanent magnet, the seal receptacle, soket head cap screw, constitution such as gland and sealing washer, whole sealing device comprises two -stage end face seal and the clearance that forms, magnetic fluid is full of the clearance that is formed by magnetic conduction axle sleeve and end terminal, form magnetic fluid end face seal and liquid centrifugal seal during single -stage high speed centrifugation formula drum fan operation, outside on the end terminal processing have the cooling bath, the influence of temperature to magnetic fluid has effectively been reduced, sealed completely to the sealing medium had both been realized, sealed life has been improved again.
Description
Technical field
This utility model belongs to high speed machine rotatory sealing field, particularly to a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure.
Background technology
Single-stage high-speed centrifugal aerator is applicable to oil, chemical industry, the blast aeration of sewage treatment plant etc., because volume is little, flow is big and is widely used, traditional sealing adopts non-contact type labyrinth seal, it is applicable to conveying steam, the dielectric gas of the environmentally safes such as air, but for carrying poisonous and hazardous gas medium not to be applied, because non-contact type labyrinth seal is to form only small labyrinth gap between revolving part and fixture, constantly shunk by air-flow and expand and realize sealing, although simple in construction, but labyrinth gap merely add circulating resistance, fundamentally will not prevent the effusion of gas medium, so how being capable of fully sealing of poisonous and harmful dielectric gas is put the difficult problem in face of those skilled in the art.
Utility model content
The purpose of this utility model is in that: propose a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure, the effect reaching rotatory sealing is sealed by non-contact type magnetic liquid, and possess the dual-use function that centrifugal seals, can be good at realizing fully sealing lower toxic and harmful at a high speed, reach the purpose of zero leakage.
The purpose of this utility model is realized by following technical proposals:
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure, including: it is set in the magnetic conduction axle sleeve on rotating shaft, described magnetic conduction axle sleeve side is provided with seal receptacle, pole shoe one and pole shoe two are installed in described seal receptacle, between described pole shoe one and pole shoe two, permanent magnet one is installed, described magnetic conduction axle sleeve opposite side is provided with gland, pole shoe three and pole shoe four are installed between described gland and magnetic conduction axle sleeve, between described pole shoe three and pole shoe four, permanent magnet two is installed, the circumferential exterior of described magnetic conduction axle sleeve is additionally provided with pole shoe five, described pole shoe five is positioned at inside seal receptacle, described pole shoe five axial width is more than pole shoe two, the summation of pole shoe three and magnetic conduction half bush wall thickness, described seal receptacle circumferencial direction has some installing holes for being connected with cavity to be sealed, sealing ring one and sealing ring two it is respectively equipped with between described pole shoe one and pole shoe two and seal receptacle, sealing ring three and sealing ring four it is respectively equipped with between described pole shoe three and pole shoe four and gland, sealing ring five and sealing ring six it is respectively equipped with between described pole shoe three and pole shoe two and pole shoe five, sealing ring seven and sealing ring eight it is provided with between described pole shoe five and seal receptacle, a large amount of magnetic liquids it are full of in confined space between described seal receptacle and gland.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, described pole shoe five is provided with cooling bath away from magnetic conduction axle sleeve one side.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, the width of described cooling bath is more than the thickness of magnetic conduction axle sleeve.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, the circumference that described seal receptacle is positioned at cooling bath correspondence position is provided with cooling liquid inlet and cooling liquid outlet.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, described cooling liquid inlet and cooling liquid outlet in same diametric(al) or are arranged at an angle.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, described seal receptacle end face is provided with sealing ring nine.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, described magnetic conduction sleeve end is additionally provided with lining.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, described permanent magnet one and permanent magnet two are cylindrical permanent magnet, magnetize along cylinder axial direction.
A kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of the present utility model, it is rectangle or trapezoidal annular tooth that described pole shoe one, pole shoe two, pole shoe three, pole shoe four and pole shoe five are provided with cross sectional shape.
According to technique scheme, the beneficial effects of the utility model are: propose a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure, the effect reaching rotatory sealing is sealed by non-contact type magnetic liquid, and possess the dual-use function that centrifugal seals, it is possible to well realize the sealing effectiveness of lower toxic and harmful at a high speed.
Accompanying drawing explanation
Fig. 1 is this utility model one single-stage high-speed centrifugal aerator magnetic liquid sealing structure schematic diagram figure.
Labelling in figure: 1-seal receptacle, 2-sealing ring one, 3-pole shoe one, 4-permanent magnet one, 5-sealing ring two, 6-pole shoe two, 7-cooling liquid outlet, 8-screw, 9-gland, 10-pole shoe three, 11-permanent magnet two, 12-pole shoe four, 13-magnetic conduction axle sleeve, 14-lining, 15-sealing ring four, 16-sealing ring three, 17-sealing ring five, 18-pole shoe five, 19-sealing ring seven, 20-cooling liquid inlet, 21-sealing ring nine, 22-sealing ring eight, 23-sealing ring six, 24-rotating shaft, 25-installing hole, 26-cooling bath, 27-sealing ring ten.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
It is illustrated in figure 1 the embodiment of a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure of this utility model, a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure, including: it is set in the magnetic conduction axle sleeve 13 on rotating shaft 24, described magnetic conduction axle sleeve 13 side is provided with seal receptacle 1, pole shoe 1 and pole shoe 26 are installed in described seal receptacle 1, between described pole shoe 1 and pole shoe 26, permanent magnet 1 is installed, described magnetic conduction axle sleeve 13 opposite side is provided with gland 9, pole shoe 3 10 and pole shoe 4 12 are installed between described gland 9 and magnetic conduction axle sleeve 13, described have between pole shoe 3 10 and pole shoe 4 12 to be provided with permanent magnet 2 11, the circumferential exterior of described magnetic conduction axle sleeve 13 is additionally provided with pole shoe 5 18, it is internal that described pole shoe 5 18 is positioned at seal receptacle 1, described pole shoe 5 18 axial width is more than pole shoe 26, the summation of pole shoe 3 10 and magnetic conduction axle sleeve 13 thickness, described seal receptacle 1 circumferencial direction has some installing holes 25 for being connected with cavity to be sealed, sealing ring 1 and sealing ring 25 it is respectively equipped with between described pole shoe 1 and pole shoe 26 and seal receptacle 1, sealing ring 3 16 and sealing ring 4 15 it is respectively equipped with between described pole shoe 3 10 and pole shoe 4 12 and gland 9, sealing ring 5 17 and sealing ring 6 23 it is respectively equipped with between described pole shoe 3 10 and pole shoe 26 and pole shoe 5 18, sealing ring 7 19 and sealing ring 8 22 it is provided with between described pole shoe 5 18 and seal receptacle 1, a large amount of magnetic liquids it are full of in confined space between described seal receptacle 1 and gland 9.
Above-mentioned sealing structure belongs to magnetic liquid rotatory sealing, sealing suitable in single-stage high-speed centrifugal aerator pumped (conveying) medium gas, whole sealing structure is made up of two-stage end face seal and the gap that formed thereof, and wherein magnetic conduction axle sleeve 13, pole shoe 1, pole shoe 26, permanent magnet 1 form the end face seal of sealing medium end；Magnetic conduction axle sleeve 13, pole shoe 3 10, pole shoe 4 12, permanent magnet 2 11 form the end face seal of atmosphere end；Magnetic conduction axle sleeve 13, pole shoe 1, pole shoe 26, pole shoe 3 10, pole shoe 4 12, pole shoe 5 18, permanent magnet 1 and permanent magnet 11 form centrifugal gap, magnetic liquid is full of whole gap, formation centrifugal seals, magnetic liquid end face seal and the double effects of centrifugal sealing is formed such that it is able to effectively under high velocity environment, gas is sealed when single-stage high-speed centrifugal aerator runs.
Described pole shoe 5 18 is provided with cooling bath 26 away from magnetic conduction axle sleeve 13 one side, so can effectively reduce the temperature impact on magnetic liquid, thus being effectively ensured the reliable of sealing property, the width of described cooling bath 26 is more than the thickness of magnetic conduction axle sleeve 13, so can form uniform cooling around magnetic conduction axle sleeve 13, thus ensureing that magnetic liquid cooling effect is better, thus ensureing that sealing effectiveness is more preferably, the circumference being positioned at cooling bath 26 correspondence position on described seal receptacle 1 is provided with cooling liquid inlet 20 and cooling liquid outlet 7, the method that liquid cools down can be adopted when necessary to improve cooling effect further, such that it is able to adapt under more complicated applying working condition, thus improve the adaptability of whole sealing structure, described cooling liquid inlet 20 and cooling liquid outlet 7 in same diametric(al) or are arranged at an angle, same diametric(al) can make cooling effect best, but angled setting, can make still to be capable of under the sealing structure operating mode that office is limited at some effect of liquid cooling, described seal receptacle 1 end face is provided with sealing ring 9 21, such setting makes and connection between cavity to be sealed will not be revealed, described magnetic conduction axle sleeve 13 end is additionally provided with lining 14, such setting makes magnetic conduction axle sleeve 13 processing request reduce, installation requirements are adapted to by the adjustment of lining 14 size, described permanent magnet 1 and permanent magnet 2 11 are cylindrical permanent magnet, magnetize along cylinder axial direction, described pole shoe 1, pole shoe 26, pole shoe 3 10, it is rectangle or trapezoidal annular tooth that pole shoe 4 12 and pole shoe 5 18 are provided with cross sectional shape.
According to technique scheme, the beneficial effects of the utility model are: propose a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure, the effect reaching rotatory sealing is sealed by non-contact type magnetic liquid, and possess the dual-use function that centrifugal seals, it is possible to well realize the sealing effectiveness of lower toxic and harmful at a high speed.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (9)
1. a single-stage high-speed centrifugal aerator magnetic liquid sealing structure, it is characterized in that, including: it is set in the magnetic conduction axle sleeve (13) on rotating shaft (24), described magnetic conduction axle sleeve (13) side is provided with seal receptacle (1), pole shoe one (3) and pole shoe two (6) are installed in described seal receptacle (1), between described pole shoe one (3) and pole shoe two (6), permanent magnet one (4) is installed, described magnetic conduction axle sleeve (13) opposite side is provided with gland (9), pole shoe three (10) and pole shoe four (12) are installed between described gland (9) and magnetic conduction axle sleeve (13), described have between pole shoe three (10) and pole shoe four (12) to be provided with permanent magnet two (11), the circumferential exterior of described magnetic conduction axle sleeve (13) is additionally provided with pole shoe five (18), it is internal that described pole shoe five (18) is positioned at seal receptacle (1), institute's pole shoe five (18) axial width is more than pole shoe two (6), the summation of pole shoe three (10) and magnetic conduction axle sleeve (13) thickness, described seal receptacle (1) circumferencial direction has some installing holes (25) for being connected with cavity to be sealed, sealing ring one (2) and sealing ring two (5) it is respectively equipped with between described pole shoe one (3) and pole shoe two (6) and seal receptacle (1), sealing ring three (16) and sealing ring four (15) it is respectively equipped with between described pole shoe three (10) and pole shoe four (12) and gland (9), sealing ring five (17) and sealing ring six (23) it is respectively equipped with between described pole shoe three (10) and pole shoe two (6) and pole shoe five (18), sealing ring seven (19) and sealing ring eight (22) it is provided with between described pole shoe five (18) and seal receptacle (1), a large amount of magnetic liquids it are full of in confined space between described seal receptacle (1) and gland (9).
2. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 1, it is characterised in that be provided with cooling bath (26) away from magnetic conduction axle sleeve (13) one side on described pole shoe five (18).
3. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 2, it is characterised in that the width of described cooling bath (26) is more than the thickness of magnetic conduction axle sleeve (13).
4. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 3, it is characterised in that the circumference being positioned at cooling bath (26) correspondence position on described seal receptacle (1) is provided with cooling liquid inlet (20) and cooling liquid outlet (7).
5. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 4, it is characterised in that described cooling liquid inlet (20) and cooling liquid outlet (7) in same diametric(al) or are arranged at an angle.
6. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 5, it is characterised in that described seal receptacle (1) end face is provided with sealing ring nine (21).
7. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 6, it is characterised in that described magnetic conduction axle sleeve (13) end is additionally provided with lining (14).
8. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 7, it is characterised in that described permanent magnet one (4) and permanent magnet two (11) are cylindrical permanent magnet, magnetize along cylinder axial direction.
9. a kind of single-stage high-speed centrifugal aerator magnetic liquid sealing structure according to claim 8, it is characterized in that, it is rectangle or trapezoidal annular tooth that described pole shoe one (3), pole shoe two (6), pole shoe three (10), pole shoe four (12) and pole shoe five (18) are provided with cross sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081708.9U CN205349835U (en) | 2016-01-28 | 2016-01-28 | Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081708.9U CN205349835U (en) | 2016-01-28 | 2016-01-28 | Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349835U true CN205349835U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620081708.9U Withdrawn - After Issue CN205349835U (en) | 2016-01-28 | 2016-01-28 | Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508285A (en) * | 2016-01-28 | 2016-04-20 | 自贡兆强环保科技股份有限公司 | Magnetic liquid seal structure for single-stage high-speed centrifugal blower |
| CN107956882A (en) * | 2017-12-13 | 2018-04-24 | 广西科技大学 | A kind of multistage disk device for sealing magnetic fluid |
-
2016
- 2016-01-28 CN CN201620081708.9U patent/CN205349835U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508285A (en) * | 2016-01-28 | 2016-04-20 | 自贡兆强环保科技股份有限公司 | Magnetic liquid seal structure for single-stage high-speed centrifugal blower |
| CN105508285B (en) * | 2016-01-28 | 2017-12-15 | 自贡兆强环保科技股份有限公司 | A kind of single-stage high-speed centrifugal air blower magnetic liquid sealing structure |
| CN107956882A (en) * | 2017-12-13 | 2018-04-24 | 广西科技大学 | A kind of multistage disk device for sealing magnetic fluid |
| CN107956882B (en) * | 2017-12-13 | 2023-05-05 | 广西科技大学 | Multistage disc magnetic fluid sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20171215 |
|
| AV01 | Patent right actively abandoned |