CN102284326B - Ultrasonic ball mill pulverizer - Google Patents
Ultrasonic ball mill pulverizer Download PDFInfo
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- CN102284326B CN102284326B CN201110158891.XA CN201110158891A CN102284326B CN 102284326 B CN102284326 B CN 102284326B CN 201110158891 A CN201110158891 A CN 201110158891A CN 102284326 B CN102284326 B CN 102284326B
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- ultrasonic
- agitator
- ball mill
- mill pulverizer
- mixing tank
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Abstract
The invention provides an ultrasonic ball mill pulverizer which comprises a frame, a mixing tank, a transmission motor driving a stirring shaft to rotate, the stirring shaft pushing mill balls to crush and grind a material, a material circulation system, as well as a cooling water jacket layer, a water inlet, a water outlet, a material inlet, a material outlet and a ball discharge port which are arranged on the mixing tank. The ultrasonic ball mill pulverizer is characterized in that: holes for inserting ultrasonic generators and an assembly bosses are formed on the upper cover or/and wall of the mixing tank; 1 to 12 sets of ultrasonic generators are vertically or/and obliquely inserted into the assembly bosses which are connected or welded on the cover or the wall of the mixing tank through threads or flanges; and probes of the ultrasonic generators are inserted deep into the mixing tank and contacted with the material, so that the material completely absorb strong ultrasonic energy. While performing stirring and ball milling to the material, the ultrasonic ball mill pulverizer applies strong ultrasonic field action to generate a high-density energy filed, so that micron-grade or sub-micron-grade (0.7-30mu m) powder can be crushed into nano-grade (20-600nm) powder. The ultrasonic ball mill pulverizer has the advantages of high yield and efficiency, simple process, is easy to operate and control and can eliminate local concentration unevenness, effectively prevent particle agglomeration, and is suitable for industrial production.
Description
Technical field
The present invention relates to powder preparation processing equipment field, specifically a kind of ultrasonic ball mill pulverizer.
Background technology
The preparation of nano material is the most important basic technology of nanotechnology research, the most of employing of preparation nano material is vapor phase method and liquid phase method at present, all there is complex process in these methods, it is meticulous to operate, cost is expensive or the shortcoming such as presoma preparation difficulty, can only realize a small amount of sample preparation in laboratory, be difficult to realize suitability for industrialized production.The fields such as in recent years,, along with the growing of ultrasonic technology is with ripe, it is synthetic at new material, the strengthening of chemical reaction, transmittance process are all widely used.Ultrasonic wave is a kind of fluctuation form, is again a kind of form of energy, in communication process, interacts and produces cavitation and acoustic streaming effect with medium.Ultrasonic wave and medium interact can be divided into mechanism, cavitation and heat effect.Have at present the relevant report of ultrasonic applications being prepared to aspect in nano-powder material both at home and abroad, mainly contain sonochemical method, ultrasonic atomizatio method, ultrasonic electrolytic process etc., but these methods still exist complex process, productive rate is low, control and require the shortcomings such as high, be also not enough to realize suitability for industrialized production.CN1528525A discloses a kind of " ultrasonic grinder "; It is the ultrasonic grinder that utilizes ultrasonic wave and mechanical agitation to combine.Although it can make micron-sized MgO, metallic copper powder part be crushed to nanoscale, the loss of this structure ultrasonic energy is large, and transmission efficiency is low; This is to be fixed on agitator outside because cylinder occurs the ultrasonic wave with ultrasonic transmitter of its design, the structure of similar Ultrasonic Cleaning cup, to material effect across bucket wall, ultrasonic energy decay is fast, most of energy is absorbed by barrel wall, can not in material medium, form high density energy field.Particularly for solid lubricants such as thering is laminar structured tungsten disulfide, molybdenum bisuphide and graphite, do not reach nanometer thinning effect.
Summary of the invention
The object of the present invention is to provide that a kind of productive rate is high, technique is simple, easily manipulation, widely applicable ultrasonic ball mill pulverizer.
Technical scheme of the present invention is: comprise frame, cooling water jacket layer on agitator and agitator, intake-outlet, feed inlet and outlet, vollyball mouth, driving motor drives shaft to rotate, shaft promotes abrading-ball material is pulverized to grinding, material circulating system, it is characterized in that, at agitator upper cover or/and have hole and the installation base of assigning supersonic generator on agitator wall, 1～12 overlaps supersonic generator vertically or/and oblique cutting is arranged on by screw thread or flange on the installation base that stirs bung or bucket wall, the tool heads of supersonic generator is goed deep in agitator, directly contact with material, make material absorb strong ultrasonic energy completely.
Described agitator, stirring rod, frame, material circulating system is modularized design, between them, is mutually flexibly connected.
Described supersonic generator tilts to be arranged on the installation base of agitator bucket wall, supersonic generator setting height(from bottom) scope is that the bucket end is to bucket place, top, supersonic generator is 0～90 ° of incline direction angle of inclination to material and realizes hyperacoustic energy input, and focuses in material centre.
Described supersonic generator had not only vertically been arranged on that agitator covers but also had tilted to be arranged on barrel wall simultaneously, the supersonic generator of described vertical installation is that 50mm is to barrel top cover place apart from the distance at the bottom of bucket, the supersonic generator setting height(from bottom) that described inclination is installed is that the bucket end is to bucket place, top, angle of inclination is 0～90 °, vertically with the ultrasonic energy field of inclination supersonic generator, material is to the effect of converging that intersects.
The operating frequency of described supersonic generator is 20～100kz, and the power of single cover supersonic generator is 0.8～3.0kw.
Described stirring rod is multilayer yi word pattern or cross structure,
Described ball radius is 1～5mm,
The present invention can be in to material stirring ball milling, applies strong ultrasonic energy field action, produces a kind of high density energy field, can by micron order or submicron order, (0.7～30 μ m) powder is crushed to nanoscale (20～600nm) powder.Have the following advantages compared with the prior art:
(1) yield efficiency is high: the material in ultrasonic tool head and barrel is direct contact type, ultrasonic energy is directly delivered in the middle of material by tool heads, essentially no ultrasonic energy loss, can give full play to ultrasonic cavitation promotes the collision of ball material to grind, stir the advantage of performance ultrasonic cavitation, can quick crashing powder to nano-scale, larger than existing other nanometer powder technology of preparing output, efficiency is higher.
(2) EM equipment moduleization design, be divided into agitator, stirring rod, fuselage, the large module of material circulating system etc. 4, the different situations such as granularity thickness in the time of can preparing according to material, output size, agitator loss are changed 30L or 100L agitator, stirring rod also can be from shaft coupling easy removal, according to target call or loss situation, load onto the multilayer stirring rod such as cross or yi word pattern, supersonic generator is also that screw thread or flange are connected with agitator, is easy to field-strip or replacing.
(3) direct contact type ultrasonic+stirring ball-milling recombination energy field prepares nanometer powder, more easily realizes desired Jie of narrow distribution nano-powder particle and sees even mixing, eliminates local concentration inequality, can effectively prevent particle agglomeration, is applicable to suitability for industrialized production.
(4) single cover supersonic generator power of the present invention reaches 0.8～3.0Kw, is 8～30 times of the mono-cover of CN1528525A supersonic generator power, easily realizes the high energy field preparation of nanometer powder.
Accompanying drawing explanation
Fig. 1 is that embodiment 1 ultrasonic ball mill pulverizer is faced structural representation;
Fig. 2 embodiment 1 ultrasonic ball mill pulverizer side-looking structural representation;
Fig. 3 is that embodiment 2 ultrasonic ball mill pulverizers are faced structural representation;
Fig. 4 is four supersonic generator installation site top views in embodiment 2;
Fig. 5 is that in embodiment 3, ultrasonic ball mill pulverizer is faced structural representation.
The specific embodiment
Embodiment 1:
With reference to Fig. 1:
The internal diameter that the present embodiment is used for the agitator 1 that holds material is 500mm, and external diameter 560mm is separated with cooling water jacket layer 2 in the middle of interior outer barrel, and bottom of the barrel has discharging opening 7 and vollyball hole 8,
Driving motor 3 is fixed in frame 10, and motor 3 drives by belt pulley 4 and universal driving shaft 5 that shaft 6 and blade 7 in agitator rotates, the material of the shaft of the present embodiment is martensitic stain less steel; Totally four layers of stirring vanes, adopt and are threaded and are welded, stirring vane floor height 45mm.Several abrading-balls that stirring vane promotes to be placed in agitator are pulverized grinding to material; Grinding ball material is zirconia, and average grain diameter is 2mm.
The ultrasonic variable amplitude bar of totally 8 cover supersonic generators 9 is arranged in the perforate and installation base of stirring bung; Ultrasonic transformer bottom is apart from bucket end 300mm; Ultrasonic wave carries out the ultrasonic energy field action of vertical direction to material.
With reference to Fig. 2
There is water inlet 11 below, interior cooling water jacket layer water layer cover left side, and there is delivery port 12 top, right side, and equipment has also been equipped with material circulating system, and this system consists of circulating pump 13 and circulating line 14, recycle feed mouth 15 and circulation discharging opening 16.
The present embodiment through the continuous operation of 12 hours can be by 5kg particle mean size the tungsten disulfide of 4～5 μ m or molybdenum disulfide powder to be crushed to particle mean size be 1.0 μ m left and right, wherein the ratio below particle diameter 100nm reaches 8% left and right.
Embodiment 2:
With reference to Fig. 3 and Fig. 4:
The present embodiment material enters agitator from charging aperture 18; Four supersonic generators 9 are arranged on the hole and installation base 17 of 1 barrel of wall of agitator by flange 45 degree that tilt, and material are to the ultrasonic wave energy field action of 45 ° of incline directions.The present embodiment through the continuous operation of 12 hours can be by 2kg particle mean size the tungsten disulfide of 4～5 μ m or molybdenum disulfide powder to be crushed to particle mean size be 0.6 μ m left and right, wherein the ratio below particle diameter 100nm reaches 20% left and right.
Embodiment 3:
With reference to Fig. 5:
The present embodiment is as different from Example 1: 4 ultrasonic variable amplitude bars are vertically arranged on agitator and cover, tool heads is 50mm at the bottom of bucket, 4 ultrasonic variable amplitude bars tilt 45 ° and are arranged on barrel wall, vertically with the ultrasonic energy field of inclination supersonic generator, material are to the effect of converging that intersects.The present embodiment through the continuous operation of 12 hours can be by 2kg particle mean size the tungsten disulfide of 4～5 μ m or molybdenum disulfide powder to be crushed to particle mean size be 0.3 μ m left and right, wherein the ratio below particle diameter 100nm reaches 40% left and right.
Claims (4)
1. a ultrasonic ball mill pulverizer, comprise cooling water jacket layer, intake-outlet, feed inlet and outlet, vollyball mouth, material circulating system on frame, agitator and agitator, the internal diameter of agitator is 500mm, external diameter is 560mm, driving motor is fixed in frame, and driving motor drives shaft and stirring vane to rotate, totally four layers of stirring vanes, employing is threaded and is welded, stirring vane floor height 45mm; Several abrading-balls that stirring vane promotes to be placed in agitator are pulverized grinding to material; Grinding ball material is zirconia, average grain diameter is 2mm, it is characterized in that, at agitator upper cover or/and have hole and the installation base of assigning supersonic generator on agitator wall, the ultrasonic variable amplitude bar of 8 cover supersonic generators is arranged in the perforate and installation base of stirring bung, and ultrasonic transformer bottom is apart from bucket end 300mm; Ultrasonic wave carries out the ultrasonic energy field action of vertical direction to material, directly contact with material, makes material absorb strong ultrasonic energy completely; Or 4 cover supersonic generators tilt 45 ° to be arranged on by flange on the hole and installation base of agitator bucket wall, material are to the ultrasonic wave energy field action of 45 ° of incline directions; Or 4 ultrasonic variable amplitude bars are vertically arranged on agitator and cover, tool heads is 50mm at the bottom of bucket, and 4 ultrasonic variable amplitude bars tilt 45 ° and are arranged on barrel wall, vertically with the ultrasonic energy field of inclination supersonic generator, material are to the effect of converging that intersects;
Described material circulating system consists of circulating pump and circulating line, recycle feed mouth and circulation discharging opening.
2. ultrasonic ball mill pulverizer according to claim 1, is characterized in that, described agitator, and stirring vane, frame, material circulating system is modularized design, between each module, is mutually flexibly connected.
3. ultrasonic ball mill pulverizer according to claim 1 and 2, is characterized in that, the operating frequency of described supersonic generator is 20～100kz, and the power of single cover supersonic generator is 0.8～3.0kw.
4. ultrasonic ball mill pulverizer according to claim 1 and 2, is characterized in that, described stirring vane is multilayer yi word pattern or cross structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158891.XA CN102284326B (en) | 2011-06-14 | 2011-06-14 | Ultrasonic ball mill pulverizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158891.XA CN102284326B (en) | 2011-06-14 | 2011-06-14 | Ultrasonic ball mill pulverizer |
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| Publication Number | Publication Date |
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| CN102284326A CN102284326A (en) | 2011-12-21 |
| CN102284326B true CN102284326B (en) | 2014-05-07 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157542A (en) * | 2013-04-11 | 2013-06-19 | 李丹军 | Impact ultrasonic slurry grinding system |
| CN107096477A (en) * | 2016-02-19 | 2017-08-29 | 天津润沃供水安装工程有限公司 | Controllable magnetic ball-milling reaction kettle |
| CN105921222A (en) * | 2016-05-25 | 2016-09-07 | 福建翔丰华新能源材料有限公司 | Multifunctional ball-milling device capable of manufacturing nanopowder or slurry efficiently and manufacturing process of multifunctional ball-milling device |
| CN105921221A (en) * | 2016-06-13 | 2016-09-07 | 合肥国轩高科动力能源有限公司 | Ultrasonic-crushing planetary ball mill |
| CN106269097A (en) * | 2016-08-24 | 2017-01-04 | 桂林浩新科技服务有限公司 | A kind of ball mill of ultrasonic sensing |
| CN107051657A (en) * | 2017-04-21 | 2017-08-18 | 四川纳诺科技有限公司 | The lapping device of nano composite material |
| DE102019120939B4 (en) * | 2019-08-02 | 2021-12-23 | Sonocrete GmbH | A method for providing a cement suspension by a cement premixer and a method for mixing concrete or mortar |
| CN110756312A (en) * | 2019-10-21 | 2020-02-07 | 大同新成新材料股份有限公司 | Intelligent crushing method for irregular semiconductor material |
| JP2024501409A (en) * | 2020-12-02 | 2024-01-12 | ソノクリート ゲゼルシャフト ミット ベシュレンクテル ハフツング | Apparatus and method for producing concrete, especially high initial strength concrete |
| CN113182022A (en) * | 2021-03-21 | 2021-07-30 | 南华大学 | Full-automatic slurry proportioning ball mill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528525A (en) * | 2003-10-20 | 2004-09-15 | 济南大学 | Supersonic disintegrator |
| CN200954458Y (en) * | 2006-09-12 | 2007-10-03 | 肖长锦 | Supersonic continuous-flow cell disintegrator |
| CN101249466A (en) * | 2007-02-20 | 2008-08-27 | 独立行政法人物质材料研究机构 | Dispersing or milling apparatus, and dispersing or milling method using same |
| CN201168628Y (en) * | 2008-07-18 | 2008-12-24 | 西安科技大学 | Multifunctional lab microwave mixing globe mill |
-
2011
- 2011-06-14 CN CN201110158891.XA patent/CN102284326B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528525A (en) * | 2003-10-20 | 2004-09-15 | 济南大学 | Supersonic disintegrator |
| CN200954458Y (en) * | 2006-09-12 | 2007-10-03 | 肖长锦 | Supersonic continuous-flow cell disintegrator |
| CN101249466A (en) * | 2007-02-20 | 2008-08-27 | 独立行政法人物质材料研究机构 | Dispersing or milling apparatus, and dispersing or milling method using same |
| CN201168628Y (en) * | 2008-07-18 | 2008-12-24 | 西安科技大学 | Multifunctional lab microwave mixing globe mill |
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Granted publication date: 20140507 Termination date: 20160614 |