CN105413556A - Alumina dispersion apparatus - Google Patents
Alumina dispersion apparatus Download PDFInfo
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- CN105413556A CN105413556A CN201410469837.0A CN201410469837A CN105413556A CN 105413556 A CN105413556 A CN 105413556A CN 201410469837 A CN201410469837 A CN 201410469837A CN 105413556 A CN105413556 A CN 105413556A
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- charging basket
- alumina dispersion
- alumina
- dispersion device
- stirring vane
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Abstract
The present invention discloses an alumina dispersion apparatus, which comprises a material barrel, a stirring motor, a conveying pump, a reflux pipe, a stirring shaft and stirring blades, wherein a material inlet is arranged on the upper portion of the material barrel, the lower end is provided with a material outlet, the stirring motor is arranged above the material barrel, the stirring motor is connected to the stirring shaft and the stirring blades, the reflux pipe is connected to the bottom end and the upper portion of the material barrel, the conveying pump is arranged on the bottom end of the material barrel and is connected between the reflux pipe in a cross-over manner, and the conveying pump is used for pumping an alumina solution in the material barrel to the upper portion of the material barrel from the bottom end of the material barrel through the reflux pipe so as to form circulation flowing. With application of the alumina dispersion apparatus of the present invention to disperse the alumina solution, the alumina can be rapidly dispersed, the used time is at least saved by 10 times, the dispersed alumina has characteristics of uniformity, stability, precipitation resistance, and aggregation resistance; and when the dispersed alumina is used for preparing energy-saving lamps, the light decay of the energy-saving lamps can be reduced, and the service life of the energy-saving lamps can be effectively prolonged.
Description
Technical field
The present invention relates to a kind of alumina dispersion device, particularly relate to the alumina dispersion device that a kind of fluorescent tube manufactures field.
Background technology
In fluorescent lamp, aluminium oxide, for the protection of film, has uv reflectance and stops the function that mercury spreads, and as the binding agent of fluorescent material, can effectively can improve light efficiency and the life-span extending lamp again, be the preferred option promoting fluorescent lamp products quality simultaneously.But because alumina dispersion technology exists dispersion inequality or halfway problem, result in light decay when aluminium oxide is used in fluorescent lamp higher, greatly reduce light efficiency and the service life of fluorescent lamp.
At present, mainly adopting common propeller type and stirring vane for alumina dispersion, is low velocity shear dispersion, be not enough to carry out shearing dispersion to aluminium oxide, this will cause the viscosity often criticizing alumina fluid dispersion unstable, and the grain graininess after dispersion is uneven, easily precipitates.As when only having a stirring vane, by the Rate Dispersion of 100 ~ 200r/min, effect is bad, and jitter time speciality, and speed slightly soon will the sputtering of powder slurry surrounding.For another example application number be 201120351886.6 utility model be provided with two mixers and be provided with vavuum pump, backflow bucket, device therefor is various, and cost is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of alumina dispersion device is provided, effectively solve the problems such as uneven, the easy precipitation of alumina dispersion, gathering.
For achieving the above object, the present invention is by the following technical solutions:
A kind of alumina dispersion device, comprise charging basket, stirring motor, delivery pump, return duct shaft and stirring vane, the top of described charging basket is provided with charging aperture, lower end offers discharging opening, described stirring motor is arranged at the top of described charging basket, this stirring motor is connected with described shaft, described shaft stretches in described charging basket, described stirring vane is provided with below described shaft, one end of described return duct is connected with the bottom of described charging basket, the other end passes in this charging basket from the top of described charging basket, described delivery pump is arranged at charging basket bottom and is connected across between described return duct, described delivery pump is used for alumina solution in barrel to pump to above this charging basket from described charging basket bottom, formation circulates.
Alumina dispersion device as above, preferably, described charging basket is also provided with bung, and described bung is provided with described charging aperture, is also provided with the hole of inserting described shaft.
Alumina dispersion device as above, preferably, described charging aperture is also provided with filter mechanism, and described filter mechanism comprises filter vat and filters bung, described filter vat and described charging aperture match, and described filtration bung offers the returning charge mouth matched with described return duct pipe diameter size.
Alumina dispersion device as above, preferably, the speed of described delivery pump is 2600 ~ 3000r/min.
Alumina dispersion device as above, preferably, described stirring vane is set to zigzag fluted disc stirring vane, and described charging basket diameter is 2 ~ 3:1 with fluted disc stirring vane diameter ratio, and this fluted disc stirring vane offers at least one circular hole.
Alumina dispersion device as above, preferably, stirring vane as above is at least one.
Alumina dispersion device as above, preferably, described alumina dispersion device is also provided with base for supporting, described base for supporting is the support with pulley, described support can place described delivery pump, described support is provided with the pole can fixing charging basket, correspondingly on described charging basket is provided with the conjunction interfixed with this pole.
Alumina dispersion device as above, preferably, described alumina dispersion device also comprises: frame, and this frame is used for fixing stirring motor, and described frame is located between described delivery pump and described returning charge mouth, and described frame is for the protection of return duct.
Alumina dispersion device as above, preferably, described discharging opening is provided with valve, for controlled oxidization aluminum solutions discharging speed.
Alumina dispersion device as above, preferably, charging basket as above is that stainless steel material makes, and described return duct is that stainless steel material makes or corrosion resistant plastic tube makes.
Adopt apparatus of the present invention dispersed alumina solution, can rapid dispersion aluminium oxide, the time used at least saves 10 times; After alumina dispersion relatively evenly, stablize, be not easy precipitation, not easily assemble; During for the preparation of electricity-saving lamp, the light decay of electricity-saving lamp can be made to reduce, effectively extend the service life of electricity-saving lamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the preferred embodiment of the present invention 2.
Fig. 3 is the exploded view of specific embodiment 2 in Fig. 2.
Fig. 4 is the structural representation of the preferred stirring vane of the present invention.
Wherein drawing reference numeral: 1 is charging basket, 2 is stirring motor, 3 is delivery pump, 4 is return duct, 5 is base for supporting, 6 is shaft, 8 is stirring vane, 7 is discharging opening, 9 is charging aperture, 1-1 is for filtering bung, 1-2 is charging basket right cover, 1-3 is charging basket left cover, 1-4 is pleated sheet, 1-5 is returning charge mouth, 1-6 is lauter tub, 1-7 is handle, 4-1 is frame, 5-1 is pulley, 5-2 is pole, 5-3 is conjunction, 6-1 is shaft opening, 8-1 is tooth, 8-2 is circular hole, 8-3 is fixture.
Detailed description of the invention
Below, the present invention is set forth further with specific embodiment by reference to the accompanying drawings.Should be understood that these embodiments are only for illustration of the present invention, and be not used in and limit the scope of the invention.The usual conveniently condition setting of the method to set up of unreceipted actual conditions in the examples below.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Please refer to accompanying drawing below and describe in detail in conjunction with the embodiments.
Embodiment 1
As shown in Figure 1, a kind of alumina dispersion device, comprise charging basket 1, stirring motor 2, delivery pump 3, return duct 4, shaft 6 and stirring vane 8, charging aperture 9 is provided with above charging basket, charging basket lower end offers discharging opening 7, stirring motor is arranged on the top of charging basket, stirring motor 2 connects shaft 6, shaft 6 stretches in charging basket 1, the below of shaft 6 is provided with stirring vane 8, one end of return duct 4 is connected with charging basket 1 bottom, the charging aperture 9 of the other end above charging basket can pass in charging basket 1, delivery pump 3 is arranged at charging basket bottom and is connected across between described return duct 4, delivery pump is used for alumina solution in barrel to pump to above this charging basket from charging basket bottom, formation circulates.
Charging basket is built with alumina solution, alumina solution is when stirring vane stirs, stirring vane is the shearing force of horizontal direction to solution, bulk alumina dispersion is opened, open delivery pump, alumina solution pumps to above charging basket from the return duct of binder bottom of the barrel by the high speed effect of pumping of delivery pump, again flow back in charging basket, the speed of delivery pump Leaf reaches 2600 ~ 3000r/min, make the continuous Rapid Circulation dispersion of alumina solution, give alumina solution vertical direction shearing force, effectively prevent the problem that aluminium oxide is tied a knot, and aluminium oxide is distributed in the aqueous solution uniformly.
Adopt device of the present invention, for dispersed alumina solution, can reach the effect of rapid dispersion aluminium oxide, the time used at least saves 10 times; And relatively more even after alumina dispersion, for the preparation of electricity-saving lamp, its light decay can be made to reduce.
Alumina dispersion device also can be provided with base for supporting 5, and charging basket 1 is placed in the top of base for supporting 5, charging basket and ground is isolated.
Embodiment 2
As shown in Figures 2 and 3, also bung is provided with at charging basket 1, conveniently add aluminium oxide and the aqueous solution, be easy to open bung, bung is seen and is set to left cover 1-3 and right cover 1-2, and left cover 1-3 is connected by pleated sheet 1-4 with right cover 1-2, described left cover 1-3 is provided with and offers charging aperture 9 and offer with left cover 1-3 the opening 6-1 inserting shaft 6, the size of opening 6-1 is larger than shaft diameter, when being convenient to shaft work, polarization shift occurs, as in Fig. 2 shown in D.
In order to effectively remove some impurity, also filter mechanism is provided with at charging aperture 9, described filter mechanism comprises filter vat 1-6 and filters bung 1-1, described filtration bung 1-1 is also provided with the handle 1-7 that can conveniently open, described filter mechanism and described charging aperture 9 match, and described filtration bung 1-1 offers the returning charge mouth 1-5 matched with return duct pipe diameter size.
Conveniently move charging basket, base for supporting is set to into the support 5 with pulley 5-1, support 5 is also provided with the pole 5-2 that can fix charging basket 1, described pole 5-2 has through hole, and be provided with conjunction 5-3 in barrel outside with a rod through-hole corresponding position, this conjunction 5-3 can be L shape, while be fixed on charging basket, another side have match with pole through hole, by screw and nut, support and charging basket are fixed, as in Fig. 2 shown in C.Support 5 can be made with rectangular tube, and adopt rectangular tube effectively can save material, described support also can place delivery pump 3.
For improving stirring efficiency, described stirring vane can be set to zigzag 8-1 fluted disc stirring vane, and as shown in Figure 4, described blade is set to circle, described blade offers multiple circular hole 8-2, this blade is also provided with the fixture 8-3 for being connected with shaft.As a preferred version, charging basket diameter/fluted disc diameter, between 2-3, uses this ratio, can observe a strong whirlpool through dispersion fluted disc, if dispersion impeller is too little, alumina powder cognition is bonded on chamber wall.
Zigzag fluted disc stirring vane as above can be set to two.
For being fixed on above charging basket 1 by stirring motor 2, be provided with frame 4, frame 4 is for fixing stirring motor 2.When delivery pump works; return duct can shake because solution is twitched; in order to available protecting return duct will cause return duct to jump out because of the pressure of delivery pump delivered solution; between delivery pump and returning charge mouth; device frame 4-1; such setting, frame 4-1, not only for fixing stirring motor, also can be used for protecting return duct 4.
As required, charging basket can be set to drum, and charging basket can adopt stainless steel material to make, and described return duct adopts stainless steel material make or adopt corrosion resistant plastic tube to make.
Alumina dispersion device as above, preferably, described discharging opening is provided with valve, for controlled oxidization aluminum solutions discharging speed, also can the use consumption of effective controlled oxidization aluminum solutions.Described valve can be driven by power valve or manually-operated gate, and manually-operated gate also can adopt gate valve, stop valve, choke valve, plunger valve, diaphragm valve, plug valve, ball valve, butterfly valve, check-valves etc.
Adopt alumina dispersion device prepared by the present embodiment, the aluminium oxide time used of dispersion 100kg/ml is 1/10 of the conventional alumina dispersal device time used; And it is more even after alumina dispersion, preparation for electricity-saving lamp makes light decay obviously reduce, the light decay of the fluorescent lamp of the alumina preparation after apparatus of the present invention dispersion is within 10%, and rete is continuous film, and the light decay of conventional fluorescent is within 20%, rete has tomography problem, and therefore, alumina dispersion prepared by dispersal device of the present invention is effective.
With reference to embodiments of the invention, explanation is given to the present invention above.But these embodiments are only used to object of the present invention is described, and are not intended to limit the scope of the invention, and scope of the present invention is by claims and equivalents thereof.Do not departing from the scope of the present invention, those skilled in the art can make multiple substituting and amendment, and these substitute and amendment all should fall within the scope of the present invention.
Claims (10)
1. an alumina dispersion device, it is characterized in that, comprise charging basket, stirring motor, delivery pump, return duct, shaft and stirring vane, the top of described charging basket is provided with charging aperture, lower end offers discharging opening, described stirring motor is arranged at the top of described charging basket, this stirring motor is connected with described shaft, described shaft stretches in described charging basket, described stirring vane is provided with below described shaft, one end of described return duct is connected with the bottom of described charging basket, the other end passes in this charging basket from the top of described charging basket, described delivery pump is arranged at charging basket bottom and is connected across between described return duct, described delivery pump is used for alumina solution in barrel to pump to above this charging basket from described charging basket bottom, formation circulates.
2. alumina dispersion device as claimed in claim 1, it is characterized in that, described charging basket is also provided with bung, and described bung is provided with described charging aperture, is also provided with the hole of inserting described shaft.
3. alumina dispersion device as claimed in claim 1, it is characterized in that, described charging aperture is also provided with filter mechanism, described filter mechanism comprises filter vat and filters bung, described filter vat and described charging aperture match, and described filtration bung offers the returning charge mouth matched with described return duct pipe diameter size.
4. alumina dispersion device as claimed in claim 1, it is characterized in that, the blade velocity of described delivery pump is 2600 ~ 3000r/min.
5. alumina dispersion device as claimed in claim 1, preferably, described stirring vane is set to zigzag fluted disc stirring vane, and described charging basket diameter is 2 ~ 3:1 with fluted disc stirring vane diameter ratio, and this fluted disc stirring vane offers at least one circular hole.
6. alumina dispersion device as claimed in claim 1, preferably, stirring vane as above is at least one.
7. alumina dispersion device as claimed in claim 1, preferably, described alumina dispersion device is also provided with base for supporting, described base for supporting is the support with pulley, described support can place described delivery pump, described support is provided with the pole can fixing charging basket, correspondingly on described charging basket is provided with the conjunction interfixed with this pole.
8. alumina dispersion device as claimed in claim 1, preferably, described alumina dispersion device also comprises: frame, and this frame is used for fixing stirring motor, and described frame is located between described delivery pump and described returning charge mouth.
9. alumina dispersion device as claimed in claim 1, preferably, described discharging opening is provided with valve, for controlled oxidization aluminum solutions discharging speed.
10. alumina dispersion device as claimed in claim 1, preferably, charging basket as above is that stainless steel material makes, and described return duct is that stainless steel material makes or corrosion resistant plastic tube makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469837.0A CN105413556B (en) | 2014-09-15 | 2014-09-15 | A kind of alumina dispersion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469837.0A CN105413556B (en) | 2014-09-15 | 2014-09-15 | A kind of alumina dispersion device |
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| CN105413556A true CN105413556A (en) | 2016-03-23 |
| CN105413556B CN105413556B (en) | 2018-04-24 |
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| CN201410469837.0A Active CN105413556B (en) | 2014-09-15 | 2014-09-15 | A kind of alumina dispersion device |
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| CN203725087U (en) * | 2014-01-24 | 2014-07-23 | 湖北天鹅涂料股份有限公司 | Paint mixing tank for heating and stirring metallic paint |
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| EP0768114A2 (en) * | 1995-10-13 | 1997-04-16 | Boehringer Ingelheim Pharmaceuticals Inc. | Method and apparatus for homogenizing aerosol formulations |
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| CN105413556B (en) | 2018-04-24 |
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