CN103629118B - A kind of riser permanent magnet shield pump - Google Patents
A kind of riser permanent magnet shield pump Download PDFInfo
- Publication number
- CN103629118B CN103629118B CN201310662615.6A CN201310662615A CN103629118B CN 103629118 B CN103629118 B CN 103629118B CN 201310662615 A CN201310662615 A CN 201310662615A CN 103629118 B CN103629118 B CN 103629118B
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- Prior art keywords
- permanent magnet
- bearing
- electric machine
- housing
- iron core
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Abstract
The invention discloses a kind of riser permanent magnet shield pump, comprise pump case, impeller and shield electric machine, shield electric machine comprises shell, stator iron core, staor winding, rotor iron core and permanent magnet, shield electric machine internal chamber wall is provided with housing, housing is by permanent magnet and stator iron core isolation, be provided with separation sleeve between pump case and shield electric machine, separation sleeve is provided with liquid pass hole, and liquid pass hole is by through for the inner chamber of pump chamber and shield electric machine; Rotor iron core and impeller share main shaft, and main shaft one end is provided with clutch shaft bearing, and the other end is provided with the second bearing, and rotor iron core, permanent magnet and the second bearing are positioned at the cavity be made up of separation sleeve and housing; Housing is provided with some slotted eyes by the both sides cavity connects of the second bearing; The outlet of pump case is communicated with by cooling tube with the inner chamber of shield electric machine.Good cooling results of the present invention, efficiency are high, easy for installation, use accounts for flexibly, ground area is little, have practicability widely.
Description
Technical field
The present invention relates to a kind of canned motorpump, refer in particular to a kind of riser permanent magnet shield pump.
Background technique
Ordinary Centrifugal Pumps has shaft seal, during the special liquids such as long-term running or conveying high temperature, high pressure, inflammable and explosive, corrosivity and hypertoxicity, easily reveal, cause befouling environment, even jeopardize life safety, this difficult problem constrains life-span and the application area of Ordinary Centrifugal Pumps always.Therefore in course of conveying, absolute leak free canned motorpump causes the interest of people, and is widely used.
Canned motorpump is by shield electric machine and water pump group all-in-one-piece no-leakage pump, and pump and drive motor are all closed in the pressurized container that a pumped medium is full of, and this pressurized container only has static seal.This structure eliminates the rotating sealing device that conventional centrifugal pump has, therefore can accomplish complete No leakage.Vertical shield pump its compare to common pipe centrifugal pump and have pump, machine integrated compact structure, volume is little, beautiful shape, operate steadily, easy for installation, noise free, zero leakage, etc. feature, meet the growing stability to working environment of user and environmental requirement to greatest extent.
Due to the technical advantage of uniqueness, canned motorpump has met the application demand in the fields such as petrochemical industry, defence and military, Aero-Space, air conditioner refrigerating, medicine food, atomic power, compensate for the deficiency of some occasion Ordinary Centrifugal Pumps since coming out.200710158558.2 disclose a kind of canned motorpump, primarily of pump head and universal shield motor composition, universal shield motor includes rotor assembly and stator module, rotor portion comprises rotor iron core and rotor windings, rotor and stator respectively by rotor not magnetic conduction housing and stator magnetic conduction housing coated.200910045772.64 disclose a kind of vertical shield pump, and primarily of water pump and shield electric machine two-part composition, shield electric machine adopts insulation winding, and rotor is made up of stainless steel shaft and cast-aluminum rotor, is respectively equipped with stainless steel housing at diameter of stator bore and rotor surface.Consult a large amount of patent documentation to find, existing canned motorpump all has the feature of above-mentioned patent, and namely shielding motor rotor comprises rotor iron core and rotor windings, housing employing stainless steel material; So, adopt rotor windings to reduce the efficiency of canned motorpump, meanwhile, adopt stainless housing, its internal electrical eddy current is comparatively large, causes motor to produce larger heat.201210094954.4 disclose a kind of pipeline type shielding pump, its feature is that the iron core of stators and rotators is plane structure, be provided with for by both completely isolated shield plate and felt pad between the stator and the rotor, the electromagnetic force between stators and rotators is contrary with rotor gravity direction with the axial pressure that pump produces; But this canned motorpump lacks necessary cooling link.
Summary of the invention
The object of the invention is the deficiency overcome in prior art, provide a kind of good cooling results, heating less, efficiency riser permanent magnet shield pump high, easy for installation.
Technological scheme of the present invention: a kind of riser permanent magnet shield pump, comprise pump case, impeller and shield electric machine, described shield electric machine comprises shell, stator iron core and around the staor winding on described stator iron core, rotor iron core and the permanent magnet be fixed on described rotor iron core, described shield electric machine internal chamber wall is provided with housing, described housing is by described permanent magnet and the isolation of described stator iron core, just be provided with separation sleeve between the pump case of described impeller and the shell of described shield electric machine, described separation sleeve is provided with some liquid pass holes, described liquid pass hole is by through for the inner chamber of described pump chamber and described shield electric machine, described rotor iron core and described impeller share a main shaft, described main shaft one end is provided with clutch shaft bearing, described clutch shaft bearing is positioned at described separation sleeve, described clutch shaft bearing side is positioned on described separation sleeve, opposite side passes through first gear loop mapping on described main shaft, the described main shaft the other end is provided with the second bearing, described second bearing side is positioned on described housing, opposite side is positioned on described main shaft by second gear circle, and described rotor iron core, described permanent magnet and described second bearing are positioned at the cavity be made up of described separation sleeve and described housing, described housing is provided with some slotted eyes, and described slotted eye will be positioned at the both sides cavity connects of the second bearing of described housing, the outlet of described pump case is communicated with by cooling tube with the inner chamber of described shield electric machine.
Further, described housing one end is embedded on described separation sleeve, and the other end is embedded on the bonnet of described shield electric machine.
Further, described impeller is positioned on described main shaft by locking nut.
Further, described clutch shaft bearing and described second bearing are thrust-bearing.
Further, described clutch shaft bearing and described second bearing are graphite material, have anti-corrosive properties and self-lubricating property.
Further, described housing is the cylindrical shape semi-closed structure of one end open, and material is carbofrax material.
Further, the import and export both sides of described pump case are connected with liquid-transport pipe-line by flange, and the pump housing is directly fixed on described liquid-transport pipe-line.
Beneficial effect of the present invention: (1) adopts permanent magnet not need external excitation, makes that shield electric machine structure is simple, efficiency is high; (2) housing adopts silicon carbide, replaces the stainless steel material used now, effectively can reduce the generation of the electric convolution of housing inside, reduces the heating value of motor.(3) draw by pump housing outlet port a small amount of liquid to get back to shield electric machine inner chamber through cooling tube, and flow back in pump chamber by the slotted eye on housing and the liquid pass hole on separation sleeve, thus form circulation cooling circuit, there is very strong cooling action.(4) canned motorpump invented does not have base, and the left and right flange of the pump housing is directly fixed on liquid-transport pipe-line, and easy for installation, floor space is little.
Accompanying drawing explanation
Fig. 1 is a kind of riser permanent magnet shield pump structural representation of the present invention.
Fig. 2 be in Fig. 1 of the present invention A-A to sectional view.
Fig. 3 is separation sleeve structural drawing of the present invention.
Fig. 4 is that a kind of riser permanent magnet shield pump of the present invention uses installation diagram.
In figure: 1, pump case; 2, impeller; 3, separation sleeve; 4, housing; 5, clutch shaft bearing; 6, the first baffle ring; 7, main shaft; 8, rotor iron core; 9, permanent magnet; 10, cooling tube; 11, the second back-up ring; 12, the second bearing; 13, bonnet; 14, staor winding; 15, stator iron core; 16, shell; 17, locking nut; 18, liquid-transport pipe-line; 19, liquid pass hole; 20, slotted eye.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
A kind of riser permanent magnet-shield pump structure of the present invention as shown in Figure 1, comprising: pump case 1, impeller 2, separation sleeve 3, housing 4, the preferred lower thrust-bearing of clutch shaft bearing 5(), the first baffle ring 6, main shaft 7, rotor iron core 8, permanent magnet 9, the preferred up-thrust bearing of cooling tube 10, second back-up ring 11, second bearing 12(), bonnet 13, staor winding 14, stator iron core 15, shell 16, locking nut 17, liquid-transport pipe-line 18.Its concrete structure is configured to: the pump housing comprises pump case 1 and impeller 2, and between described pump case 1 and shield electric machine, be provided with separation sleeve 3, shield electric machine mainly comprises stator module and rotor assembly, and described stator module comprises stator iron core 15 and staor winding 14; Described rotor assembly comprises rotor iron core 8 and permanent magnet 9, adopts permanent magnet 9 not need external excitation, makes that shield electric machine structure is simple, efficiency is high; Described rotor assembly has the first baffle ring 6; Described impeller 2 is contained in pump case 1; Impeller 2 is arranged on the lower end of main shaft 7, is fixed by locking nut 17; Described main shaft 7 is erected in separation sleeve 3 below by lower thrust-bearing, is erected in housing 4 by up-thrust bearing above; Described up-thrust bearing is provided with the second back-up ring 11 below, for fixing up-thrust bearing.
Described housing 4 is embedded in separation sleeve 3 below, top is embedded in bonnet 13; Described rotor assembly and main shaft 7 affixed; It is inner that described stator module is fixed on shell 16; Described shell 16 lower end and pump case 1 are bolted, upper end and bonnet 13 are bolted.
Described lower thrust-bearing and up-thrust bearing are graphite material; Described housing 4 is carbofrax material, replaces the stainless steel material used now, effectively can reduce the generation of the electric convolution of housing 4 inside, reduces the heating value of motor.
Described pump case 1 outlet port has a hole and connects below cooling tube 10, the through hole being connected to bonnet 13 above of described cooling tube 10.During work, draw the liquid pass hole 19 of slotted eye 20, rotor clearance, lower thrust-bearing and the main shaft of a small amount of liquid between cooling tube 10, up-thrust bearing and housing 47 on gap and separation sleeve 3 by pump case 1 outlet port and form a circulation loop.
A kind of riser permanent magnet shield pump of the present invention uses as shown in Figure 3, and the left and right flange of the canned motorpump pump housing 1 invented is connected with liquid-transport pipe-line 18 bolt, and the canned motorpump invented does not need base, can directly be fixed on liquid-transport pipe-line 18.
Claims (7)
1. a riser permanent magnet shield pump, comprise pump case (1), impeller (2) and shield electric machine, described shield electric machine comprises shell (16), stator iron core (15) and around the staor winding (14) on described stator iron core, rotor iron core (8) and the permanent magnet (9) be fixed on described rotor iron core (8), it is characterized in that, described shield electric machine internal chamber wall is provided with housing (4), described housing (4) is by described permanent magnet (9) and described stator iron core (15) isolation, just be provided with separation sleeve (3) between the pump case (1) of described impeller (2) and the shell (16) of described shield electric machine, described separation sleeve (3) is provided with some liquid pass holes (19), described liquid pass hole (19) is by through for the inner chamber of pump chamber and described shield electric machine, described rotor iron core (8) and described impeller (2) share a main shaft (7), described main shaft (7) one end is provided with clutch shaft bearing (5), described clutch shaft bearing (5) is positioned at described separation sleeve (3), described clutch shaft bearing (5) side is positioned on described separation sleeve (3), opposite side is positioned on described main shaft (7) by the first baffle ring (6), described main shaft (7) the other end is provided with the second bearing (12), described second bearing (12) side is positioned on described housing (4), opposite side is positioned on described main shaft (7) by the second back-up ring (11), described rotor iron core (8), described permanent magnet (9) and described second bearing (12) are positioned at the cavity be made up of described separation sleeve (3) and described housing (4), described housing (4) is provided with some slotted eyes (20), described slotted eye (20) will be positioned at the both sides cavity connects of the second bearing of described housing (4), the outlet of described pump case (1) is communicated with by cooling tube (10) with the inner chamber of described shield electric machine.
2. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, described housing (4) one end is embedded on described separation sleeve (3), and the other end is embedded on the bonnet (13) of described shield electric machine.
3. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, described impeller (2) is positioned on described main shaft (7) by locking nut (17).
4. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, described clutch shaft bearing (5) and described second bearing (12) are thrust-bearing.
5. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, described clutch shaft bearing and described second bearing are graphite material, have anti-corrosive properties and self-lubricating property.
6. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, the cylindrical shape semi-closed structure that described housing (4) is one end open, and material is carbofrax material.
7. a kind of riser permanent magnet shield pump according to claim 1, is characterized in that, the import and export both sides of described pump case (1) are connected with liquid-transport pipe-line (18) by flange, and the pump housing is directly fixed on described liquid-transport pipe-line (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662615.6A CN103629118B (en) | 2013-12-10 | 2013-12-10 | A kind of riser permanent magnet shield pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662615.6A CN103629118B (en) | 2013-12-10 | 2013-12-10 | A kind of riser permanent magnet shield pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629118A CN103629118A (en) | 2014-03-12 |
| CN103629118B true CN103629118B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310662615.6A Expired - Fee Related CN103629118B (en) | 2013-12-10 | 2013-12-10 | A kind of riser permanent magnet shield pump |
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| CN104154003B (en) * | 2014-07-29 | 2016-08-31 | 江苏大学 | A kind of deep-well mining diving pump that can balance static rotor spindle nose power |
| CN105370583B (en) * | 2015-04-22 | 2019-04-26 | 曹汀汀 | Miniature magnetic is driven centrifugal pump |
| CN108869327A (en) * | 2017-05-11 | 2018-11-23 | 汉能（天津）工业泵有限公司 | A kind of low liquid level pump drainage pump of light-duty big flow |
| CN107888042A (en) * | 2017-12-27 | 2018-04-06 | 山东德源泵业有限公司 | Submersible asynchronous motor |
| CN108916072A (en) * | 2018-07-27 | 2018-11-30 | 合肥皖化电机技术开发有限责任公司 | A kind of supplement heat rejecter circulator of furnace water pump |
| CN109611344A (en) * | 2019-01-02 | 2019-04-12 | 株洲市自强油气储运设备制造有限公司 | A kind of electric submersible pump |
| CN109488441B (en) * | 2019-01-15 | 2024-01-26 | 四川芯智热控技术有限公司 | Automobile electronic water pump |
| CN111288012A (en) * | 2020-03-20 | 2020-06-16 | 中国矿业大学 | Permanent magnet direct-drive type air film drag reduction slurry pump |
| CN111425404A (en) * | 2020-04-10 | 2020-07-17 | 芜湖飞龙汽车电子技术研究院有限公司 | High-lift low-axial-force two-stage wet electronic centrifugal pump and using method thereof |
| CN111706517A (en) * | 2020-05-27 | 2020-09-25 | 湖南耐普泵业股份有限公司 | Intelligent permanent magnet leakage-free pump |
| CN114922821B (en) * | 2022-06-09 | 2024-01-05 | 浙江理工大学 | Anti-blocking shielding pump and control method thereof |
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| CN2830732Y (en) * | 2005-07-22 | 2006-10-25 | 陈斌 | Shielded pipe pump |
| CN101225827A (en) * | 2008-01-21 | 2008-07-23 | 蔡国华 | Separation sleeve for magnetic pump or shield pump |
| RU2008106722A (en) * | 2008-02-21 | 2009-08-27 | Открытое акционерное общество "Промприбор" (RU) | SUBMERSIBLE ELECTRIC PUMP |
| CN201461539U (en) * | 2009-07-30 | 2010-05-12 | 上海新沪电机厂有限公司 | External circulation structure of pipeline shielding motor pump |
| CN201535275U (en) * | 2009-11-13 | 2010-07-28 | 大连环友屏蔽泵有限公司 | Canned motor pump for conveying medium susceptible to gasification |
| CN102889214A (en) * | 2011-07-18 | 2013-01-23 | 大连四方电泵有限公司 | High-efficiency permanent magnet canned motor pump |
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2013
- 2013-12-10 CN CN201310662615.6A patent/CN103629118B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830732Y (en) * | 2005-07-22 | 2006-10-25 | 陈斌 | Shielded pipe pump |
| CN101225827A (en) * | 2008-01-21 | 2008-07-23 | 蔡国华 | Separation sleeve for magnetic pump or shield pump |
| RU2008106722A (en) * | 2008-02-21 | 2009-08-27 | Открытое акционерное общество "Промприбор" (RU) | SUBMERSIBLE ELECTRIC PUMP |
| CN201461539U (en) * | 2009-07-30 | 2010-05-12 | 上海新沪电机厂有限公司 | External circulation structure of pipeline shielding motor pump |
| CN201535275U (en) * | 2009-11-13 | 2010-07-28 | 大连环友屏蔽泵有限公司 | Canned motor pump for conveying medium susceptible to gasification |
| CN102889214A (en) * | 2011-07-18 | 2013-01-23 | 大连四方电泵有限公司 | High-efficiency permanent magnet canned motor pump |
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| CN103629118A (en) | 2014-03-12 |
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Granted publication date: 20160302 Termination date: 20211210 |
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