阅读说明：本技术 一种耐腐蚀磁力驱动离心泵 (A kind of corrosion-resistant magnetic force driven centrifugal pump ) 是由 韩帮明 于 2018-05-24 设计创作，主要内容包括：本发明公开了一种耐腐蚀磁力驱动离心泵,泵盖上设有第一输送通道,驱动输送轴上设有第二输送通道,第二输送通道设于驱动输送轴的中心轴线上,且沿中心轴线向后端延伸出驱动输送轴,驱动输送轴上设有输送口,第一输送通道的一端连向一缓冲储液罐且另一端与第二输送通道的输送口连接,泵盖上还设有第三输送通道,第一输送通道和第三输送通道均由泵盖的外壁向内部延伸贯穿泵盖,第三输送通道的一端连向缓冲储液罐且另一端与隔离套和内磁转子之间的环隙区域连通；解决了输送过程中需要保温的问题；易结晶、腐蚀性强的介质不进入驱动腔体内,保护驱动轴,延长使用寿命；冷却和润滑效果好,使驱动输送轴达到很好的驱动效果,很好的降低了容积损失。(The invention discloses a kind of corrosion-resistant magnetic force driven centrifugal pumps, pump cover is equipped with the first transfer passage, conveying axis is driven to be equipped with the second transfer passage, second transfer passage is set on the central axis of driving conveying axis, and extend driving conveying axis to the back-end along central axis, conveying axis is driven to be equipped with delivery port, one end of first transfer passage is connected to a buffering fluid reservoir and the other end is connect with the delivery port of the second transfer passage, third transfer passage is additionally provided on pump cover, first transfer passage and third transfer passage are extended inward by the outer wall of pump cover through pump cover, one end of third transfer passage is connected to buffering fluid reservoir and the annular space regional connectivity between the other end and separation sleeve and interior magnet rotor；It solves the problems, such as to need to keep the temperature in transmission process；The easily strong medium of crystallization, corrosivity does not enter in driving chamber body, protects drive shaft, prolongs the service life；Cooling and high lubricating effect makes that conveying axis is driven to reach driving effect well, reduces volumetric loss well.)

1. a kind of corrosion-resistant magnetic force driven centrifugal pump, including the pump housing, pump cover, suspension, interior magnet rotor and outer magnet rotor, the outer magnetic Rotor is fixed on suspension, and separation sleeve is equipped between the outer magnet rotor and interior magnet rotor, which is characterized in that corrosion-resistant magnetic force drives Dynamic centrifugal pump further includes driving conveying axis, and the driving conveying axis is fixed on pump cover by two sliding bearings, the driving An impeller is fixed in the front end of conveying axis, and the rear end of conveying axis is driven to be equipped with blender, and the interior magnet rotor is set to driving conveying The rear portion of axis；

The pump cover is equipped with the first transfer passage, and the driving conveying axis is equipped with the second transfer passage, second conveying Channel is set on the central axis of driving conveying axis, and extends driving conveying axis to the back-end along central axis, and the driving is defeated Axis is sent to be equipped with delivery port, one end of first transfer passage is connected to a buffering fluid reservoir and the other end and the second transfer passage Delivery port connection, be additionally provided on the pump cover third transfer passage, first transfer passage and third transfer passage by The outer wall of pump cover is extended inward through pump cover, one end of the third transfer passage be connected to buffering fluid reservoir and the other end with every From the annular space regional connectivity between set and interior magnet rotor.

2. a kind of corrosion-resistant magnetic force driven centrifugal pump as described in claim 1, it is characterised in that: attic base and back seat before further including Disk, the preceding attic base is set between impeller and the sliding bearing for driving conveying axis front end, and is set between preceding attic base and sliding bearing Have the first thrusting plate, it is described after attic base be set between interior magnet rotor and the sliding bearing of driving conveying shaft rear end, and rear attic base with The second thrusting plate is equipped between sliding bearing.

3. a kind of corrosion-resistant magnetic force driven centrifugal pump as described in claim 1, it is characterised in that: the impeller is enclosed leaf Wheel is equipped with sealing ring between the impeller and the pump housing.

4. a kind of corrosion-resistant magnetic force driven centrifugal pump as described in claim 1, it is characterised in that: the blender stirs for spiral Device is mixed, the spiral agitator is fixed on the rear end of driving conveying axis by small round nut.

Technical field

The present invention relates to a kind of pump, specifically a kind of corrosion-resistant magnetic force driven centrifugal pump.

Background technique

Magnetic drive pump is made of pump, magnetic driver and motor three parts, and pump includes shell, impeller, pump cover and pump shaft, magnetic Power driver includes outer magnet rotor, interior magnet rotor and separation sleeve, and motor and outer magnet rotor are linked togather composition driving part, leaf Wheel and interior magnet rotor are linked togather composition slave unit, have seal isolation set between interior magnet rotor and outer magnet rotor, and interior magnetic turns For son among medium, motor rotation couples the suction generated and reprimand by the magnetic pole of outer magnet rotor with the magnetic pole of interior magnet rotor Magnet rotor in the push-and-pull resultant force driving of power composition, pump shaft and impeller rotate synchronously, and separation sleeve, which belongs to, liquid rotation in set Small pressure container.Magnetic drive pump should be cleared up with clear water after use in time in conveying easily-crystallized medium, drain raffinate in pump, meeting Cause environmental pollution.And exists and pump interior raffinate row phenomenon not to the utmost.When shutting down, the easy crystal medium solidification not emptied is opened again Dynamic, resistance is big, will lead to bearing damage, or even can not start, this just needs the easy crystal medium that will be solidified to melt, interior magnet rotor The easy crystal medium at place causes in conveying easily-crystallized medium because heat source can not be prevented to reach the region from request stop.

However, being directed to the operating condition occasion that corrosivity is strong and easily crystallizes, potassium nitrate solution is such as conveyed, common high temperature is multistage Magnetic force driven centrifugal pump is generally difficult to be competent at, in addition general collet cannot directly act on fluid exterior shell, while directly right The connector of drive part, which carries out heat insulation effect, cannot be guaranteed heat insulation effect, and due to holding temperature height, directly heat preservation connection The service life of drive part rolling bearing may be influenced when body.

Summary of the invention

In order to make up the above deficiency, the present invention provides a kind of corrosion-resistant magnetic force driven centrifugal pumps, to solve above-mentioned background The problems in technology.

The technical scheme is that a kind of corrosion-resistant magnetic force driven centrifugal pump, including the pump housing, pump cover, suspension, interior magnetic turn Sub and outer magnet rotor, the outer magnet rotor are fixed on suspension, and separation sleeve, institute are equipped between the outer magnet rotor and interior magnet rotor Stating corrosion-resistant magnetic force driven centrifugal pump further includes driving conveying axis, and the driving conveying axis is fixed on pump by two sliding bearings It covers, an impeller is fixed in the front end of the driving conveying axis, and the rear end of conveying axis is driven to be equipped with blender, the interior magnet rotor Set on the rear portion of driving conveying axis；

The pump cover is equipped with the first transfer passage, and the driving conveying axis is equipped with the second transfer passage, and described second Transfer passage is set on the central axis of driving conveying axis, and extends driving conveying axis, the drive to the back-end along central axis Dynamic conveying axis is equipped with delivery port, and one end of first transfer passage is connected to a buffering fluid reservoir and the other end and second conveys The delivery port in channel connects, and is additionally provided with third transfer passage, first transfer passage and third transfer passage on the pump cover It is extended inward by the outer wall of pump cover through pump cover, one end of the third transfer passage is connected to buffering fluid reservoir and the other end Annular space regional connectivity between separation sleeve and interior magnet rotor.

It as a preferred technical solution, further include preceding attic base and rear attic base, the preceding attic base is set to impeller and driving conveys Between the sliding bearing of axis front end, and the first thrusting plate is equipped between preceding attic base and sliding bearing, the rear attic base is set to interior magnetic Between rotor and the sliding bearing of driving conveying shaft rear end, and the second thrusting plate is equipped between rear attic base and sliding bearing.

The impeller is double shrouded wheel as a preferred technical solution, and sealing ring is equipped between the impeller and the pump housing.

The blender is spiral agitator as a preferred technical solution, and the spiral agitator passes through small round nut It is fixed on the rear end of driving conveying axis.

By adopting the above-described technical solution, a kind of corrosion-resistant magnetic force driven centrifugal pump of the present invention, is conveying such as When the medium that potassium nitrate solution etc. easily crystallizes, corrosivity is strong, the pump housing is directly exported by double shrouded wheel, design structure is reasonable, solves The problem of keeping the temperature is needed in transmission process, the easily strong medium of crystallization, corrosivity does not enter in driving chamber body, internal driving portion Part has obtained good protection, long service life；Cooling-lubricant is from buffering fluid reservoir circulation output and input, to annular space region Continual flushing cooling is carried out with the friction pair of sliding bearing, the blender keeps the circulation of cooling-lubricant uniform, smooth, Cooling and high lubricating effect makes that conveying axis is driven to reach driving effect well, while medium conveying easily-crystallized, that corrosivity is strong The high conveying capacity that can reach 60 percent, reduces volumetric loss well.

The working principle of the invention: driving device drives outer magnet rotor rotation, and outer magnet rotor is by magnetic coupling torque Interior magnet rotor is passed to, interior magnet rotor rotation is driven when the rotation of outer magnet rotor, interior magnet rotor drives leaf by driving conveying axis Wheel rotation, medium transfer out the pump housing by wheel rotation；The rotation of driving spiral agitator, cold while driving conveying axis rotation But lubricating fluid is exported by buffering fluid reservoir to the first transfer passage, then enters the second transfer passage by delivery port, then from second Transfer passage is exported to the annular space region between interior magnet rotor and separation sleeve, and cooling-lubricant is to annular space region and sliding bearing Friction pair is rinsed cooling, is finally exported by third transfer passage to buffering fluid reservoir.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is middle pump body of the present invention and the connection schematic diagram for buffering fluid reservoir；

Fig. 3 is the structural schematic diagram of blender in the present invention.

Specific embodiment

As shown in Figure 1-Figure 3, a kind of corrosion-resistant magnetic force driven centrifugal pump, including the pump housing 1, pump cover 2, suspension 3, interior magnet rotor 4 and outer magnet rotor 5, the outer magnet rotor 5 be fixed on suspension 3, between the outer magnet rotor 5 and interior magnet rotor 4 be equipped be isolated Set 6, the corrosion-resistant magnetic force driven centrifugal pump further include driving conveying axis 7, and the driving conveying axis 7 passes through two sliding bearings 8 are fixed on pump cover 2, and an impeller 9 is fixed in the front end of the driving conveying axis 7, and the rear end of conveying axis 7 is driven to be equipped with blender 10, the interior magnet rotor 4 is set to the rear portion of driving conveying axis 7, and the blender 10 is set to the centre of interior magnet rotor 4, and interior magnetic turns Space between son 4 and separation sleeve 6；

The pump cover 2 is equipped with the first transfer passage 11, and the driving conveying axis 7 is equipped with the second transfer passage 12, institute It states the second transfer passage 12 to be set on the central axis of driving conveying axis 7, and extends driving conveying to the back-end along central axis Axis 7, the driving conveying axis 7 are equipped with delivery port 13, and one end of first transfer passage 11 is connected to a buffering fluid reservoir 14 And the other end is connect with the delivery port 13 of the second transfer passage 12, is additionally provided with third transfer passage 15 on the pump cover 2, described One transfer passage 11 and third transfer passage 15 are extended inward by the outer wall of pump cover 2 through pump cover 2, and the third conveying is logical The one end in road 15 is connected to buffering fluid reservoir 14 and the annular space region 16 between the other end and separation sleeve 6 and interior magnet rotor 4 is connected to；Institute Stating the first transfer passage 11 is input unit, and second transfer passage 12 is middle flow portion, and the third transfer passage 15 is Output section.

It as a preferred technical solution, further include preceding attic base 17 and rear attic base 18, the preceding attic base 17 is set to impeller 9 and drives Between the sliding bearing 8 of dynamic 7 front end of conveying axis, and the first thrusting plate 19 is equipped between preceding attic base 17 and sliding bearing 8, after described Attic base 18 is set between interior magnet rotor 4 and the sliding bearing 8 for driving 7 rear end of conveying axis, and between rear attic base 18 and sliding bearing 8 Equipped with the second thrusting plate 20；First thrusting plate 19 and the second thrusting plate 20 can achieve good lubricant effect, make sliding bearing 8 Better sliding and running.

The impeller 9 is double shrouded wheel as a preferred technical solution, and sealing ring is equipped between the impeller 9 and the pump housing 1 21；Good airproof performance, medium are not easy to leak.

The blender 10 is spiral agitator as a preferred technical solution, and the spiral agitator 10 passes through roundlet Nut is fixed on the rear end of driving conveying axis 7.

By adopting the above-described technical solution, a kind of corrosion-resistant magnetic force driven centrifugal pump of the present invention, is conveying such as When the medium that potassium nitrate solution etc. easily crystallizes, corrosivity is strong, the pump housing 1 is directly exported by double shrouded wheel 9, design structure is reasonable, solution It has determined and has needed the problem of keeping the temperature in transmission process, the easily strong medium of crystallization, corrosivity does not enter in driving chamber body, internal driving Component has obtained good protection, long service life；Cooling-lubricant is from the buffering circulation of fluid reservoir 14 output and input, to annular space The friction pair of region 16 and sliding bearing 8 carries out continual flushing cooling, and the blender 10 makes the circulation of cooling-lubricant Uniformly, smooth, cooling and high lubricating effect makes that conveying axis 7 is driven to reach driving effect well, while conveying easily-crystallized, rotten The strong medium of corrosion can reach 60 percent high conveying capacity, reduce volumetric loss well.

The working principle of the invention: driving device drives outer magnet rotor 5 to rotate, and outer magnet rotor 5 is by magnetic coupling torsion Square passes to interior magnet rotor 4, drives interior magnet rotor 4 to rotate when the rotation of outer magnet rotor 5, interior magnet rotor 4 passes through driving conveying axis 7 Impeller 9 is driven to rotate, medium transfers out the pump housing 1 by the rotation of impeller 9；Driving spiral is stirred while driving conveying axis 7 to rotate The rotation of device 10 is mixed, cooling-lubricant is exported by buffering fluid reservoir 14 to the first transfer passage 11, then enters second by delivery port 13 Then transfer passage 12 is exported from the second transfer passage 12 to the annular space region 16 between interior magnet rotor 4 and separation sleeve 6, cooling Lubricating fluid is rinsed cooling to the friction pair of annular space region 16 and sliding bearing 8, finally extremely by the output of third transfer passage 15 Buffer fluid reservoir 14.

The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.