CN201588799U - Horizontal type high-pressure magnetic force fan - Google Patents
Horizontal type high-pressure magnetic force fan Download PDFInfo
- Publication number
- CN201588799U CN201588799U CN201020119651XU CN201020119651U CN201588799U CN 201588799 U CN201588799 U CN 201588799U CN 201020119651X U CN201020119651X U CN 201020119651XU CN 201020119651 U CN201020119651 U CN 201020119651U CN 201588799 U CN201588799 U CN 201588799U
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- China
- Prior art keywords
- separation sleeve
- cooling chamber
- magnet rotor
- cover
- guide rib
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Abstract
The utility model relates to a horizontal type high-pressure magnetic force fan, which comprises a motor, an outside magnetic rotor, an inside magnetic rotor, an isolation sleeve, a transmission shaft and a fan blade, wherein the outside magnetic rotor is fixedly connected with an output shaft of the motor, the inside magnetic rotor is magnetically coupled with the outside magnetic rotor, the isolation sleeve is disposed between the inside magnetic rotor and the outside magnetic rotor, the rear end portion of the transmission shaft is coaxially fixedly connected with the inside magnetic rotor, the fan blade is fixedly connected to the front end portion of the transmission shaft, and the isolation sleeve is in sealing connection with a bearing support and provided with a cooling cavity encircling the inside magnetic rotor. Cooling liquid can flow in the cooling cavity, and the cooling cavity is provided with a cooling liquid inlet and a cooling liquid outlet which are communicated with a cooling liquid circulating system. The isolation sleeve adopts a hollow structure, the cooling liquid flows into the hollow cooling cavity of the isolation sleeve so as to rapidly dissipate a large quantity of heat of the isolation sleeve, thereby meeting requirements of high-speed high-temperature running of the magnetic force fan on no leakage occasions.
Description
Technical field
The utility model relates to a kind of magnetic fan, particularly a kind of horizontal ultra high speed high-pressure magnetic fan that is applied to seal chamber.
Background technique
Blower fan is widely used in industries such as food, metallurgy, chemical industry, medicine, yet for the abominable application of some environment, might bring security incident as any small leakage part takes place in the course of conveying of hypertoxic gas, flammable explosive gas, high temperature and high pressure gas, therefore common blower fan is difficult to satisfy strict seal request.Chinese patent 200620116231.X discloses a kind of magnetic fan, because fans bobbin and motor driving shaft are coupled transmission by non-contact magnetically, can accomplish therefore that the nothing of sealing gas is leaked at smelting furnace.Yet when magnetic fan in when work, separation sleeve between interior magnet steel and outer steel is in the alternating magnetic fields, on cross section, induce the magnetic foucault current and change into heat perpendicular to magnetic line of force direction, the magnetic fan rotating speed is high more, the heat that produces is also high more, if heat can't in time be discharged, magnet steel progressively loses magnetism in will causing, magnetic drives was lost efficacy, shorten the working life of magnetic fan, therefore magnetic fan of the prior art can only be at low temperature, the smelting furnace environment of low speed is operation down, can't satisfy high temperature, the application new demand that high pressure and rotating speed turn round under 3500r/min.
Summary of the invention
The purpose of this utility model provides a kind of leak free horizontal high-speed high-pressure magnetic fan.
The concrete technological scheme that adopts of the utility model is: a kind of horizontal high-pressure magnetic fan, it comprises: motor, the outer magnet rotor of fixedlying connected with the output shaft of described motor, with the mutually magnetic-coupled interior magnet rotor of described outer magnet rotor, be arranged on the separation sleeve between described interior magnet rotor and the outer magnet rotor, the coaxial transmission shaft that is fixedly connected on the described interior magnet rotor of rearward end, be fixedly connected on the fan blade of the front end of described transmission shaft, the arranged outside of described transmission shaft is useful on the bearing bracket that sets up described transmission shaft, the arranged outside of described outer magnet rotor has outer cover, described separation sleeve and described bearing bracket are tightly connected, have the cooling chamber that also can supply coolant flow around one week of magnet rotor in described on the described separation sleeve, described cooling chamber has the cooling liquid entrance and exit that is connected with coolant circulation system.
The utility model further technological scheme is: also be provided with cooling liquid liquid inlet pipe that is connected with the inlet of described cooling chamber and the cooling liquid drain pipe that is connected with the outlet of described cooling chamber on the described separation sleeve, described liquid inlet pipe and drain pipe pass described outer cover respectively.
Further, be provided with a plurality of guide rib sheets in the cooling chamber of described separation sleeve, leave the gap between the rear portion of described guide rib sheet and described cooling chamber.
Further, a plurality of described guide rib sheets extend axially along described separation sleeve, and perhaps a plurality of described guide rib sheets are distributed in the described cooling chamber twist.
Further, on the circumferencial direction of described separation sleeve, a plurality of described guide rib sheets evenly distribute; And described separation sleeve axially on, have two described guide rib sheets that stagger mutually at least, leave the gap between every two adjacent described guide rib sheets.
The utility model further technological scheme is: on the cross section perpendicular to the shaft axis of described separation sleeve, the cross-section area of described cooling chamber reduces after by forward direction gradually.
Further, offer seal groove on the ear end face of described bearing bracket, the rear portion of described bearing bracket also is set with rear bearing cover; Described separation sleeve comprises the interior cover that is sealedly connected on the described bearing bracket, be set in described in the cover outside overcoat and be sealedly connected on the bottom that puts in described, has outstanding forward sealed step in described on the front-end face of cover, described rear bearing cover and sealed step are housed in the described seal groove, and described sealed step and described rear bearing cover are sealed and matched.
Further, the pressure of described cooling liquid is not less than 0.1MPa.
Described separation sleeve adopts stainless steel or titanium alloy or Hastelloy or pottery or fiber reinforcement type PEEK plastics.
Advantage of the present utility model is: separation sleeve of the present utility model adopts hollow structure, and make cooling liquid enter into the cooling chamber of separation sleeve hollow, thereby take away a large amount of heats of separation sleeve rapidly, rated speed of the present utility model can reach 3500r/min, the pipeline that can bear or the system pressure of seal container reach 25MPa, therefore satisfy the demand of specific occasion lower magnetic force blower fan high-speed and high-temperature running.
Description of drawings
Accompanying drawing 1 is a plan view of the present utility model;
Accompanying drawing 2 is the partial enlarged drawing of accompanying drawing 1;
Accompanying drawing 3 is the sectional view of separation sleeve of the present utility model;
Accompanying drawing 4 is the plan view of separation sleeve of the present utility model;
Wherein: 1, the crust of weathering; 2, blade; 3, transmission shaft; 4, bearing bracket; 5, separation sleeve; 6, outer cover; 7, outer magnet rotor; 8, interior magnet rotor; 9, motor; 10, base; 11, tightening nut; 12, rear bearing cover; 16, front bearing retainer; 17, blade nut; 18, cooling chamber; 19, interior cover; 20, overcoat; 21, bottom; 22, inlet; 23, outlet; 24, guide rib sheet; 25, sealed step; 26, liquid inlet pipe; 27, drain pipe.
Embodiment
" preceding " described in this specification side is meant the left side in the accompanying drawing 1, and " back " side described in the specification is meant the right side in the accompanying drawing 1.
Referring to accompanying drawing 1 to accompanying drawing 4, a kind of horizontal high-pressure magnetic fan, it comprises: base 10, be fixedly installed on motor 9 on the base 10, with the fixedly connected outer magnet rotor 7 of the output shaft of motor 9, with outer magnet rotor 7 mutually magnetic-coupled in magnet rotors 8, be arranged in the coaxial fan blade 2 that is fixedly connected on transmission shaft 3 on the interior magnet rotor 8, is fixedly connected on the front end of transmission shaft 3 of separation sleeve 5, rearward end between magnet rotor 8 and the outer magnet rotor 7, be located at the crust of weathering 1 in blade 2 outsides.
The arranged outside of transmission shaft 3 has bearing bracket 4, and the arranged outside of outer magnet rotor 7 has outer cover 6, is locked by screw between bearing bracket 4 and the outer cover 6.Transmission shaft 3 is arranged in the bearing bracket 4 rotationally, the front portion of transmission shaft 3 is connected on the bearing bracket 4 by front bearing retainer 16, the rear portion of transmission shaft 3 is provided with rear bearing cover 12, offer seal groove on the ear end face of bearing bracket 4, rear bearing cover 12 be housed in the described seal groove and by screw lock on bearing bracket 4, bearing bracket 4, rear bearing cover 12 and separation sleeve 5 are tightly connected.
Described separation sleeve 5 adopts stainless steel or titanium alloy or Hastelloy or pottery or fiber reinforcement type PEEK plastics.Wherein, PEEK plastics (Polyetheretherketone, polyether-ether-ketone), it is a kind of good thermoplastic engineering plastic, characteristic with good high temperature resistant and corrosion-resistant, wear-resistant and anti-hydrolysis, and have good self-lubricating property, after filling carbon fiber and molybdenum disulfide modification processing, can further improve the lubricated and mechanical property of material.
For the front and rear that makes separation sleeve 5 can cool off evenly, cooling liquid can be in the evenly circulation swimmingly of cooling chamber 18 each, the utility model is provided with a plurality of guide rib sheets 24 in cooling chamber 18, these guide rib sheets 24 are parallel to the direction of axis line of separation sleeve 5, or are obliquely installed with the direction of axis line of separation sleeve 5.Leave the gap between the rear portion of guide rib sheet 24 and cooling chamber 18, cooling liquid can flow into the rear portion of cooling chamber 18 under the guiding of guide rib sheet 24 like this, thereby avoids cooling liquid directly to flow to outlet 23 from the inlet 22 of cooling chamber 18.
Preferably, on the circumferencial direction of described separation sleeve 5, a plurality of described guide rib sheets 24 evenly distribute.Described separation sleeve 5 axially on, at least there are two described guide rib sheets 24 that stagger mutually, leave the gap between every two adjacent described guide rib sheets 24, these guide rib sheets 24 are distributed in the described cooling chamber 18 twist, spiral form comprises two kinds: one, a plurality of guide rib sheets 24 all favour the axis setting of separation sleeve 5, the interrupted spirality honeycomb duct of a plurality of guide rib sheet 24 common formation; Two, a plurality of guide rib sheets 24 all are parallel to the axis setting of separation sleeve 5, and each guide rib sheet 24 staggers successively, forms a plurality of honeycomb ducts.
More preferably, on the cross section perpendicular to the shaft axis of described separation sleeve 5, the cross-section area of described cooling chamber 18 reduces after by forward direction gradually, so the pressure of cooling liquid during through the rear portion of cooling chamber 18 increases, and flow velocity is faster.
Preferably, be to improve heat exchange efficiency, the surface of interior cover 19 or overcoat 20 can also be provided with that some are raised or sunken, to increase the area of contact with cooling liquid.
Claims (9)
1. horizontal high-pressure magnetic fan, it comprises: motor (9), the outer magnet rotor (7) of fixedlying connected with the output shaft of described motor (9), with the mutually magnetic-coupled interior magnet rotor (8) of described outer magnet rotor (7), be arranged on the separation sleeve (5) between described interior magnet rotor (8) and the outer magnet rotor (7), the coaxial transmission shaft (3) that is fixedly connected on the described interior magnet rotor (8) of rearward end, be fixedly connected on the fan blade (2) of the front end of described transmission shaft (3), the arranged outside of described transmission shaft (3) is useful on the bearing bracket (4) that sets up described transmission shaft (3), the arranged outside of described outer magnet rotor (7) has outer cover (6), described separation sleeve (5) is tightly connected with described bearing bracket (4), it is characterized in that: have the cooling chamber (18) that also can supply coolant flow around (8) one weeks of magnet rotor in described on the described separation sleeve (5), described cooling chamber (18) has cooling liquid inlet (22) and the outlet (23) that is connected with coolant circulation system.
2. horizontal high-pressure magnetic fan according to claim 1, it is characterized in that: also be provided with cooling liquid liquid inlet pipe (26) that is connected with the inlet (22) of described cooling chamber (18) and the cooling liquid drain pipe (27) that is connected with the outlet (23) of described cooling chamber (18) on the described separation sleeve (5), described liquid inlet pipe (26) and drain pipe (27) pass described outer cover (6) respectively.
3. horizontal high-pressure magnetic fan according to claim 1, it is characterized in that: be provided with a plurality of guide rib sheets (24) in the cooling chamber (18) of described separation sleeve (5), leave the gap between the rear portion of described guide rib sheet (24) and described cooling chamber (18).
4. horizontal high-pressure magnetic fan according to claim 3, it is characterized in that: a plurality of described guide rib sheets (24) extend axially along described separation sleeve (5), and perhaps a plurality of described guide rib sheets (24) are distributed in the described cooling chamber (18) twist.
5. horizontal high-pressure magnetic fan according to claim 3 is characterized in that: on the circumferencial direction of described separation sleeve (5), a plurality of described guide rib sheets (24) evenly distribute.
6. horizontal high-pressure magnetic fan according to claim 3, it is characterized in that: described separation sleeve (5) axially on, at least there are two described guide rib sheets (24) that stagger mutually, leave the gap between every adjacent two described guide rib sheets (24).
7. according to any described horizontal high-pressure magnetic fan in the claim 1 to 6, it is characterized in that: on the cross section perpendicular to the shaft axis of described separation sleeve (5), the cross-section area of described cooling chamber (18) reduces after by forward direction gradually.
8. horizontal high-pressure magnetic fan according to claim 1 is characterized in that: offer seal groove on the ear end face of described bearing bracket (4), the rear portion of described bearing bracket (4) also is set with rear bearing cover (12); Described separation sleeve (5) comprises the interior cover (19) that is sealedly connected on the described bearing bracket (4), be set in described in cover (19) outside overcoat (20) and be sealedly connected on described in bottom (21) on the cover (19), has outstanding forward sealed step (25) in described on the front-end face of cover (19), described rear bearing cover (12) and sealed step (25) are housed in the described seal groove, and described sealed step (25) is sealed and matched with described rear bearing cover (12).
9. horizontal high-pressure magnetic fan according to claim 1 is characterized in that: described separation sleeve (5) adopts stainless steel or titanium alloy or Hastelloy or corundum ceramic or fiber reinforcement type PEEK plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119651XU CN201588799U (en) | 2010-01-28 | 2010-01-28 | Horizontal type high-pressure magnetic force fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119651XU CN201588799U (en) | 2010-01-28 | 2010-01-28 | Horizontal type high-pressure magnetic force fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588799U true CN201588799U (en) | 2010-09-22 |
Family
ID=42748577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020119651XU Expired - Fee Related CN201588799U (en) | 2010-01-28 | 2010-01-28 | Horizontal type high-pressure magnetic force fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014031841A1 (en) * | 2012-08-24 | 2014-02-27 | Buhler Aeroglide Corporation | Dryer having a direct drive fan |
| GB2519500A (en) * | 2013-07-26 | 2015-04-29 | Ricardo Uk Ltd | A magnetic gear |
-
2010
- 2010-01-28 CN CN201020119651XU patent/CN201588799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014031841A1 (en) * | 2012-08-24 | 2014-02-27 | Buhler Aeroglide Corporation | Dryer having a direct drive fan |
| GB2519500A (en) * | 2013-07-26 | 2015-04-29 | Ricardo Uk Ltd | A magnetic gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |