CN202673703U - High-revolving-speed magnetic-transmission tangent flow pump - Google Patents
High-revolving-speed magnetic-transmission tangent flow pump Download PDFInfo
- Publication number
- CN202673703U CN202673703U CN 201220351093 CN201220351093U CN202673703U CN 202673703 U CN202673703 U CN 202673703U CN 201220351093 CN201220351093 CN 201220351093 CN 201220351093 U CN201220351093 U CN 201220351093U CN 202673703 U CN202673703 U CN 202673703U
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- Prior art keywords
- pump
- magnet rotor
- impeller
- revolving
- separation sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to a high-revolving-speed tangent flow pump applied to the fields of petroleum, chemical industries, oil refineries and military industries, in particular to a high-revolving-speed magnetic-transmission tangent flow pump. The high-revolving-speed magnetic-transmission tangent flow pump comprises a pump case assembly, a power device and a magnetic transmission device, wherein the pump case assembly comprises a pump case, an impeller and a pump cover. According to the high-revolving-speed magnetic-transmission tangent flow pump, a self-circulating cooling flow passage from a pump outlet, passing through a gap between an inner magnet rotor assembly and an isolation sleeve, to an impeller cavity is arranged, so that when the high-revolving-speed magnetic-transmission tangent flow pump works, high pressure is formed at the pump outlet, negative pressure is formed in the impeller cavity, the circulation of part of high-pressure transmission liquid can be formed through the self-circulating cooling flow passage, and the heat of the inner magnet rotor assembly and the isolation sleeve is taken away, thereby cooling the inner magnet rotor assembly and the isolation sleeve; and the higher the revolving speed, the faster the circulation, and the better the cooling effect, so that the high-revolving-speed magnetic-transmission tangent flow pump can be allowed to operate at a high speed.
Description
Technical field
The utility model relates to a kind of high rotating speed tangent pump that is applied to oil, chemical industry, oil refinery and military industry field, particularly high rotating speed magnetic drives tangent pump.
Background technique
Tangent pump is based on a kind of novel small flow, the high-head pump that new design concept is developed.Rotating speed is called the high speed tangent pump when 4800rpm is above.In oil, chemical industry, oil refinery and military industry field, sometimes can need to carry having danger, corrosivity, rare precious liquid or medium that some are inflammable and explosive, this just needs a kind of special device that can carry under whole sealing status, magnetic drive is because it is converted into static seal with traditional motive sealing mode, therefore can reach very high sealing, can be applied to multiplely has the harsh occasion that requires to reaction region: such as high pressure, condition of high vacuum degree and without leaking reaction.Rely on the magnetic drive pump of magnetic drives just can reach the purpose of under whole sealing status, medium being carried.Existing magnetic drive pump generally includes pump assembly, power plant and magnetic drive, pump assembly comprises the pump housing, impeller and pump cover, power plant are generally motor, magnetic drive substantially all comprises an interior magnet rotor that is roughly cylindricality, one covers on wherein the outer magnet rotor that is the back-off cup-shaped with interior magnet rotor, be provided with between magnet rotor and the interior magnet rotor outside and equally substantially be the back-off cup-shaped, the separation sleeve that non-magnet material is made, pump shaft one end is fixedly connected in the interior magnet rotor in the heart, the tubular bearing spider is extended at the pump cover center, the other end of pump shaft passes bearing spider and is connected with impeller, pump shaft is provided with bearings at the bearing spider two ends, outer magnet rotor is connected on the output shaft of the motor equal power device that is installed on the frame by the axle sleeve on it, the annular sealing surface of separation sleeve is withheld on pump cover pump housing inner chamber and the external world is isolated fully, and power reaches interior magnetic steel rotor and the rotation of pump shaft impeller through magnetic coupling.But, some special occasions in oil, chemical industry, oil refinery and military industry field, not only need under whole sealing status, carry out fed sheet of a media, also need to have unsteady flow, permanent pump and high-lift requirement, therefore need such as this small flow of tangent pump, high-lift, high-revolving transfer pump.But because the rotating power of magnetic drive pump is to transmit by the magnetic field of rotation, separation sleeve can produce eddy current when cutting magnetic line rise separation sleeve and environment temperature thereof, rotating speed is higher, temperature rise is higher, especially reach 500rpm when above at rotating speed, the temperature rise of separation sleeve will make the magnetic force of magnet steel descend and cisco unity malfunction, therefore improve the rotating speed of magnetic drive, be a problem demanding prompt solution that also always exists for a long time.
Summary of the invention
The purpose of this utility model is that a kind of high rotating speed magnetic drives tangent pump is provided in order to overcome the deficiencies in the prior art.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of high rotating speed magnetic drives tangent pump, comprise pump assembly, power plant and magnetic drive, pump assembly comprises the pump housing, impeller and pump cover, the described pump housing and pump cover merge the inner impeller cavity that forms, described impeller places impeller cavity, magnetic drive comprises interior magnet rotor, outer magnet rotor and separation sleeve, interior magnet rotor is fixedly connected on pump shaft one end, the other end of pump shaft passes bearing spider and is connected with impeller, outer magnet rotor and power plant are in transmission connection, and it is characterized in that: high rotating speed magnetic drives tangent pump also is provided with the self-loopa of getting back to the impeller cavity in the gap between the pump discharge interior magnet rotor of process and separation sleeve and cools off runner.
Compared with prior art, the beneficial effects of the utility model are: cool off runner because this high rotating speed magnetic drives tangent pump also is provided with the self-loopa of getting back to the impeller cavity in the gap between the pump discharge interior magnet rotor of process and separation sleeve, high rotating speed magnetic drives tangent pump is when work, the pump discharge place forms high pressure, form negative pressure in the impeller cavity, the conveying liquid part of high pressure will form that the heat on interior magnet rotor and the separation sleeve is taken away in circulation and internally magnet rotor and separation sleeve cool off through self-loopa cooling runner, and rotating speed is higher, circulate faster, cooling effect is better, therefore can allow high rotating speed magnetic drives tangent pump to run up, satisfy the usage requirement of special occasions.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.
Description of drawings
Accompanying drawing 1 is the utility model specific embodiment structure sectional view.
Embodiment
As shown in Figure 1, high rotating speed magnetic drives tangent pump, comprise pump assembly, power plant and magnetic drive, pump assembly comprises the pump housing 1, impeller 2 and pump cover 3, the described pump housing 1 and pump cover 3 merge the inner impeller cavity 4 that forms, described impeller 2 places impeller cavity 4, tubular bearing spider 301 is extended at described pump cover 3 centers, the end of bearing spider 301 is provided with flange plate 302, magnetic drive comprises interior magnet rotor 5, outer magnet rotor 6 and separation sleeve 7, interior magnet rotor 5 is roughly cylindricality, outer magnet rotor 6 is the back-off cup-shaped, and described pump shaft passes bearing spider 301, and pump shaft one end is fixedly connected in the interior magnet rotor 5 in the heart, the other end of pump shaft passes bearing spider 301 and is connected with impeller 2, described separation sleeve 7 is the back-off cup-shaped equally substantially, adopts non-magnet material to make, such as stainless steel, but in order further to reduce or to produce eddy current when stopping cutting magnetic line, described separation sleeve 7 can adopt stupalith to make.Described separation sleeve 7 covers on interior magnet rotor 5 wherein, the annular sealing surface of separation sleeve 7 is withheld on the flange plate 302 of pump cover 3 interior magnet rotor 5 is isolated fully with the external world, outer magnet rotor 6 covers on separation sleeve 7 outsides, described impeller 2, pump shaft, interior magnet rotor 5, the central axis of separation sleeve 7 and outer magnet rotor 6 will be on the same straight line, outer magnet rotor 6 is in transmission connection with power plant, this specific embodiment medium power device adopts variable frequency high-speed motor 8, outer magnet rotor 6 centers are provided with the axis hole that matches with variable frequency high-speed motor 8 output shafts, variable frequency high-speed motor 8 output shafts insert directly to connect with outer magnet rotor 6 in the axis hole and carry out power transmission, are provided with link press span 9 between described variable frequency high-speed motor 8 and described pump cover 3 flange plate 302 and are fixedly connected with.High rotating speed magnetic drives tangent pump also is provided with the self-loopa of getting back to the impeller cavity 4 in the gap between the pump discharge interior magnet rotor 5 of process and separation sleeve 7 and cools off runner.Self-loopa cooling runner can have different structure, can adopt pipe directly to connect pump discharge and separation sleeve 7 inner chambers, and the central shaft hole that is provided with perforation by described pump shaft is again got back in the impeller cavity 4.In this specific embodiment, the concrete structure of self-loopa cooling runner is to be provided with connecting passage 303 in flange plate 302 inside of pump cover 3, the port of described connecting passage 303 1 ends is arranged on the circumferential surface of flange plate 302, the port of the other end is arranged in separation sleeve 7 annular sealing surfaces, with separation sleeve 7 inner chamber UNICOMs, be provided with connecting tube 10 between connecting passage 303 ports on the circumferential surface of the described pump housing 1 export department and flange plate 302, described pump shaft is provided with the central shaft hole 11 of perforation, described connecting tube 10, connecting passage 303, gap between interior magnet rotor 5 and the separation sleeve 7 and central shaft hole 11 consist of described self-loopa cooling runner.For better controlled circulation flow, can also be provided with miniature by-pass cock 12 in described connecting tube 10, such as micro ball valve.In order to carry out Cooling and Lubricator to the spring bearing 14 of pump shaft simultaneously, also be provided with the cross-drilled hole 304 of UNICOM's bearing spider 301 inner chambers and central shaft hole 11 on the described pump shaft in addition.Described high rotating speed magnetic drives tangent pump integral body is fixed on the base 13.
Claims (5)
1. one kind high rotating speed magnetic drives tangent pump, comprise the pump case assembly, power plant and magnetic drive, the pump case assembly comprises the pump housing, impeller and pump cover, the described pump housing and pump cover merge the inner impeller cavity that forms, described impeller places impeller cavity, magnetic drive comprises interior magnet rotor, outer magnet rotor and separation sleeve, interior magnet rotor is fixedly connected on pump shaft one end, the other end of pump shaft passes bearing spider and is connected with impeller, outer magnet rotor and power plant are in transmission connection, and it is characterized in that: high rotating speed magnetic drives tangent pump also is provided with the self-loopa of getting back to the impeller cavity in the gap between the pump discharge interior magnet rotor of process and separation sleeve and cools off runner.
2. high rotating speed magnetic drives tangent pump according to claim 1, it is characterized in that: the tubular bearing spider is extended at described pump cover center, the end of bearing spider is provided with flange plate, described pump shaft passes bearing spider, two ends respectively with impeller be connected magnet rotor and be connected, described separation sleeve covers on interior magnet rotor wherein, the annular sealing surface of separation sleeve is withheld on the flange plate of pump cover interior magnet rotor and the external world is isolated fully, the flange plate inside of described pump cover is provided with connecting passage, the port of described connecting passage one end is arranged on the circumferential surface of flange plate, the port of the other end is arranged in the separation sleeve annular sealing surface, with separation sleeve inner chamber UNICOM, be provided with connecting tube between the connecting passage port on the circumferential surface of described pump housing export department and flange plate, described pump shaft is provided with the central shaft hole of perforation, described connecting tube, connecting passage, gap between interior magnet rotor and the separation sleeve and central shaft hole consist of described self-loopa cooling runner.
3. high rotating speed magnetic drives tangent pump according to claim 2 is characterized in that: be provided with by-pass cock in described connecting tube.
4. high rotating speed magnetic drives tangent pump according to claim 2, it is characterized in that: described pump shaft is provided with the cross-drilled hole of UNICOM's bearing spider inner chamber and central shaft hole.
5. high rotating speed magnetic drives tangent pump according to claim 1, it is characterized in that: described power plant are variable frequency high-speed motor, described variable frequency high-speed motor directly connects with outer magnet rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351093 CN202673703U (en) | 2012-07-19 | 2012-07-19 | High-revolving-speed magnetic-transmission tangent flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351093 CN202673703U (en) | 2012-07-19 | 2012-07-19 | High-revolving-speed magnetic-transmission tangent flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673703U true CN202673703U (en) | 2013-01-16 |
Family
ID=47494610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220351093 Expired - Fee Related CN202673703U (en) | 2012-07-19 | 2012-07-19 | High-revolving-speed magnetic-transmission tangent flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673703U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557164A (en) * | 2013-10-21 | 2014-02-05 | 沈阳建筑大学 | Pressure auto-balancing magnetic drive pump |
| CN103615416A (en) * | 2013-11-25 | 2014-03-05 | 丹东克隆先锋泵业有限公司 | Magnetic pump capable of preventing particulate matter from entering inner rotor cavity |
| CN110094341A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of process pump pump port structure connection method |
-
2012
- 2012-07-19 CN CN 201220351093 patent/CN202673703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557164A (en) * | 2013-10-21 | 2014-02-05 | 沈阳建筑大学 | Pressure auto-balancing magnetic drive pump |
| CN103615416A (en) * | 2013-11-25 | 2014-03-05 | 丹东克隆先锋泵业有限公司 | Magnetic pump capable of preventing particulate matter from entering inner rotor cavity |
| CN110094341A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of process pump pump port structure connection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180719 |