CN201113761Y - Magnetic force driving device for reactor - Google Patents
Magnetic force driving device for reactor Download PDFInfo
- Publication number
- CN201113761Y CN201113761Y CNU2007200296400U CN200720029640U CN201113761Y CN 201113761 Y CN201113761 Y CN 201113761Y CN U2007200296400 U CNU2007200296400 U CN U2007200296400U CN 200720029640 U CN200720029640 U CN 200720029640U CN 201113761 Y CN201113761 Y CN 201113761Y
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- CN
- China
- Prior art keywords
- bearing
- reaction kettle
- transmission mechanism
- magnetic transmission
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Accessories For Mixers (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to a reaction kettle magnetic transmission mechanism, which belongs to the magnetic transmission power unit technical field. The utility model is characterized in that: the reaction kettle magnetic transmission mechanism consists of a stirring shaft, an internal supporting body, a sealing cover body, an external supporting body, an internal magnet revolving body, an external magnet revolving body, a connecting flange, an upper bearing pack and a lower bearing pack, wherein, a shaft gland cover body is arranged on the stirring shaft and attached to the lower end of the lower bearing pack. The reaction kettle magnetic transmission mechanism can prevent reaction media (liquid or gas) from transmitting along the stirring shaft and then corrupting a supporting bearing and also can prevent internal heat of a kettle from entering into the circumference of a magnetic steel body along with the reaction media (the liquid or the gas) from gaps between the stirring shaft and the bearing, thereby the phenomenon of demagnetization due to overheating of a magnetic steel is avoided and the normal operation of the reaction kettle is guaranteed. Moreover, the reaction kettle magnetic transmission mechanism is simple in structure and reliable in operation, guarantees the normal operation of the reaction kettle magnetic transmission mechanism and the purity of reagents, and can prolong the service life of equipment.
Description
Technical field
The utility model relates to magnetic transferring power device technique field, is the reactor magnetic drive device specifically.
Background technology
The reactor magnetic drive device is to rely on the magnetic of permanent magnet to penetrate the seal closure of nonmagnetic substance and attract each other and reach and transmit a kind of device that stirs power and accomplish positive confinement, generally form by shaft, inner supporting body, sealing cover body, outer support, interior magnetic revolving body and adpting flange, bearing, outer magnetic revolving body is contained on the outer support by adpting flange, bearing group, and outer magnetic revolving body is made by materials such as permanent magnets; Outer magnetic revolving body with interior be the sealing cover body, form by nonmagnetic substance, it can tighten together by bolt and gasket seal and reactor kettle, accomplishes the positive confinement of reactor; The sealing cover body with interior be interior magnetic revolving body, interior magnetic revolving body is also made by materials such as permanent magnets, itself and shaft tighten together, by bearing arrangement on inner supporting body; Outer magnetic revolving body, sealing cover body and interior magnetic revolving body keep coaxial; Reductor drives the external gyrorotor rotation during work, sees through revolving body rotation in the attraction of sealing cover body then, drive shaft and rotate, thereby the magnetic drives of power and the positive confinement of reactor is stirred in realization.The deficiency of this structure is because of having the space between shaft and the bearing group, and reaction medium especially gas can enter bearing inside by this space, simultaneously heat also can follow reaction medium enter by this space in around the revolving body, cause the overheated demagnetization of magnet steel; For reaction medium (liquid or gas), bearing can be subjected to burn into lubricating grease and can decompose or be dissolved among the reaction medium, influences the reactor normal operation of magnetic drive device and the purity of reactant.
Summary of the invention
In order to overcome the deficiency of above-mentioned technology, the utility model provides a kind of and has simple in structurely, and reliable operation reduces the corrosion that spring bearing is subjected to reaction medium, reduces heat transferred, and the protection magnet steel improves the reactor magnetic drive device in useful life.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of reactor magnetic drive device, form by shaft, inner supporting body, sealing cover body, outer support, interior magnetic revolving body, outer magnetic revolving body, adpting flange, upper bearing (metal) group and lower bearing group, it is characterized in that: being provided with a sealing cover body on shaft, fits in the lower end of axle sealing cover body and lower bearing group.
The utility model can also be realized by following measure: axle sealing cover body is mechanical seal or packing seal.Upper bearing (metal) group and lower bearing group are metal bearing or full-ceramic bearing, also can be half ceramic bearing.
The beneficial effects of the utility model are that mechanical seal or packing seal can prevent that the reaction medium (liquid or gas) that stirs from corroding spring bearing along the shaft transmission; Can prevent that also heat in the still from being entered around the magnet steel body by the space of shaft and bearing with reaction medium (liquid or gas), blocked magnet steel because of the overheated probability that demagnetizes, guaranteed the operate as normal of reactor effectively, have simple in structure, reliable operation, guarantee that magnet steel does not weather, thereby can improve the useful life of equipment.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cutaway view Amplified image at Figure 1A place.
1. shafts among the figure, 2. inner supporting body, 3. the sealing cover body, 4. outer support, 5. in the magnetic revolving body, 6. outer magnetic revolving body, 7. go up adpting flange, 8. play adpting flange, 9. upper bearing (metal) group, 10. lower bearing group, 11. sealing cover bodies.
Embodiment
In Fig. 1, the utility model is made up of shaft 1, inner supporting body 2, sealing cover body 3, outer support 4, interior magnetic revolving body 5, outer magnetic revolving body 6, last adpting flange 7, following adpting flange 8, upper bearing (metal) group 9, lower bearing group 10, said modules and mutual annexation are same as the prior art, seldom give unnecessary details at this, characteristics of the present utility model mainly are to be provided with a sealing cover body 11 on shaft 1, and axle sealing cover body 11 fits tightly with the lower end of lower bearing group 10.Axle sealing cover body 11 can adopt mechanical seal, and mechanical seal is by a pair of or several the end face of making slide relative perpendicular to axle is kept down fitting and is equipped with auxiliary seal and reaches the gland seal device of resistance leakage in elastic force (or magnetic force) effect of fluid pressure and compensation mechanism.Axle sealing cover body 11 can also adopt packing seal, and filler is packed into after the packing cavity, through gland it is made axial compression, when axle and filler have relative motion, because the plasticity of filler makes its generation radial load, and closely contacts with axle.Meanwhile, the lubricant that floods in the filler is extruded, and forms oil film between contact-making surface.Because contact condition is not uniform especially, " boundary lubrication " state just appears in the contact site, be called " bearing effect ", and the recess of contact does not form little oil groove, thicker oil film is arranged, irregular labyrinth is formed with the noncontact position in the contact site, plays a part to stop liquid to flow leakage, and this claims " labyrinth effect ".Gland sealed mechanism that Here it is.Obviously, good sealing is to keep " bearing effect " and " labyrinth effect ".That is to say, keep good lubricated and suitable compressing.Therefore mechanical seal and the packing seal reaction medium (liquid or gas) that can prevent to be stirred corrodes spring bearing along the shaft transmission; Can prevent that also heat in the still from being entered around the magnet steel body by the space of shaft and bearing with reaction medium (liquid or gas), blocked magnet steel because of the overheated probability that demagnetizes, guaranteed the operate as normal of reactor, have simple in structure, reliable operation, guarantee the reactor normal operation of magnetic drive device and the purity of reactant, prolong the useful life of magnet steel.
Upper bearing (metal) group 9 of the present utility model, lower bearing group 10 can adopt the metal species plain bearing, preferably adopt full-ceramic bearing, also can adopt half ceramic bearing, the advantage of this ceramic bearing or half ceramic bearing is to need not to add lubricating grease, but self-lubricating, can under the HTHP situation, use, guaranteed the stirring apparatus for reaction kettle needed various index that runs well, reduced this procedure that when using agitating device is regularly added lubricating grease, avoided fully because the accident that lubricating grease causes takes place, can avoid running environmental requirement (interpolation lubricating grease) because of bearing, having reduced lubricating grease fully decomposes under objective condition such as high temperature or interacts with reaction medium, cause pollution, can prolong the useful life of equipment the reactor medium.
Claims (3)
1, a kind of reactor magnetic drive device, form by shaft, inner supporting body, sealing cover body, outer support, interior magnetic revolving body, outer magnetic revolving body, adpting flange, upper bearing (metal) group and lower bearing group, it is characterized in that: being provided with a sealing cover body on shaft, fits in the lower end of axle sealing cover body and lower bearing group.
2, reactor magnetic drive device according to claim 1 is characterized in that: said axle sealing cover body is mechanical seal or packing seal.
3, reactor magnetic drive device according to claim 1 is characterized in that: said upper bearing (metal) group and lower bearing group are metal bearing or full-ceramic bearing, also can be half ceramic bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200296400U CN201113761Y (en) | 2007-10-24 | 2007-10-24 | Magnetic force driving device for reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200296400U CN201113761Y (en) | 2007-10-24 | 2007-10-24 | Magnetic force driving device for reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113761Y true CN201113761Y (en) | 2008-09-10 |
Family
ID=39965506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200296400U Expired - Fee Related CN201113761Y (en) | 2007-10-24 | 2007-10-24 | Magnetic force driving device for reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113761Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700895A (en) * | 2021-01-25 | 2021-04-23 | 中国科学院上海应用物理研究所 | High-temperature molten salt stirring test device |
-
2007
- 2007-10-24 CN CNU2007200296400U patent/CN201113761Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700895A (en) * | 2021-01-25 | 2021-04-23 | 中国科学院上海应用物理研究所 | High-temperature molten salt stirring test device |
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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: 20080910 Termination date: 20161024 |