CN2555093Y - High efficiency submicron-nano abrasive grinder - Google Patents
High efficiency submicron-nano abrasive grinder Download PDFInfo
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- CN2555093Y CN2555093Y CN 02263390 CN02263390U CN2555093Y CN 2555093 Y CN2555093 Y CN 2555093Y CN 02263390 CN02263390 CN 02263390 CN 02263390 U CN02263390 U CN 02263390U CN 2555093 Y CN2555093 Y CN 2555093Y
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Abstract
The utility model relates to a high efficiency submicron-nano abrasive pulverizer, which belongs to the technical field, and consists of two major parts: a pulverizing room and a stirrer. The stirrer is arranged in the pulverizing room, and the spindle of the stirrer is provided with a basically horizontal stirring lamina. The improvement is that the inner wall of the pulverizing room is fixedly provided with bevel bars distributed circumferentially. The diameters of the inscribed circles of the bevel bars circumferentially distributed are smaller than the diameter of the circumscribed circle of the stirring lamina, each layer of bevel bars is fixed higher than each corresponding layer of stirring laminas. Except for the bevel bars at the topside layer which face downwards, the bevel bars of the rest layers face upwards; while the topside of the stirring lamina takes a downwards-revolving spiral structure, and the stirring laminas at the rest layers are in upwards-revolving spiral structure. The utility model which has the advantages of skillful design and simple structure as well as effective and practical, can remarkably improve the pulverizing effect and obtain the submicron-nano powder which is not available by other equipment of the same sort.
Description
Technical field
The utility model relates to a kind of pulverizer, and especially a kind of architecture advances of high-efficient grinding pulverizer belongs to meticulous disintegrating apparatus technical field.
Background technology
Stirring pulverizer and claim again to stir mill, sand mill, is comparatively common a kind of in traditional grinding and crushing machine.According to different sorting techniques, stir pulverizer and can be divided into wet type and dry type, and vertical and horizontal.Existing vertical stirring pulverizer generally includes cylinder body and the agitator two big parts that inwall is smooth cambered surface, and agitator is installed in the pulverizing chamber of cylinder body formation.Stirring vane on the agitator main shaft is flat board, floral disc or the stirring rod that level is installed.In the work, when the driven by motor stirring vane rotated, the grinding bead that is placed in advance in the pulverizing chamber was driven, and by extruding, shearing, friction, abrasive action, the comminuting matter for the treatment of that is mixed between the grinding bead was pulverized.
Theory analysis and studies show that: in general, improve the motion that mixing speed can be quickened grinding bead, thereby strengthen abrasive action, obtain thinner grinding effect to material.Yet when mixing speed is too high, because smooth bucket wall is to the unobstructed effect of the motion of grinding bead, so grinding bead will rotate synchronously with stirring vane, and then make also rotation at a high speed thereupon of material, and pulverization as a result descends on the contrary.Therefore existing mixer can only obtain micron-sized crushing effect, wants to prepare sub-micron and even nano-powder by improving mixing speed, and then be impossible.
In addition, when existing stirring pulverizer conducting powder is broken, be easy to sink to the bottom by comminuting matter, pulverizing chamber bottom sediments layer is long-pending more thick more as a result, causes machine underfeed mouth to stop up, and influences the uniformity of further crushing effect and powder product.This phenomenon is even more serious when dry type is pulverized.
Summary of the invention
The purpose of this utility model is: at the problem that above prior art exists, proposes a kind of can be by meticulous pulverizing acquisition sub-micron and even nano-powder and can avoid efficient sub-micron---the nano-milled pulverizer that deposits.
In order to reach above purpose, efficient sub-micron of the present utility model---nano-milled pulverizer is by pulverizing chamber and agitator two large divisions part, agitator is installed in the pulverizing chamber, the stirring vane of basic horizontal is housed on the agitator main shaft, and its improvements are inclined-plane rods that circumferential distribution fixedly is housed on the pulverizing chamber inwall.
The utility model further improvement is the circumscribed circle diameter of the inscribed circle diameter of inclined-plane rod less than stirring vane that circumferentially distribute.
It is that the fixed position of every layer of inclined-plane rod is higher than every layer of corresponding stirring vane that the utility model further improves.Except that rod inclined-plane, the inclined-plane of the superiors downwards, the inclined-plane of all the other each layer inclined-plane rods is upwards.
Like this, after mixing speed improves, because the inclined-plane rod is to grinding bead and treat that the motion of comminuting matter has barrier effect, and can change its direction of motion at any time, therefore increased the speed difference between the grinding bead, effectively avoided grinding bead and treated that comminuting matter rotates the not good defective of crushing effect that is caused at a high speed with stirring vane.
Circumferentially the inscribed circle diameter of distribution inclined-plane rod can avoid material movement " to open circuit " less than the structure of the circumscribed circle diameter of stirring vane, increases its movement travel, further improves crushing effect.
What particularly be worth proposition is that the inclined-plane upwards inclined-plane rod of (except the superiors) installation can play the effect that grinding bead and material are upwards dug, and has both strengthened the effect of grinding, and has also effectively avoided sinking to the bottom of material.The downward purpose in rod inclined-plane, the superiors inclined-planes is that to avoid grinding bead and material to move upward too violent, prevents that grinding bead and material from overflowing pulverizing chamber.
Obviously, the utility model design is ingenious, simple in structure, and is effectively practical, can obviously improve crushing effect, obtains sub-micron---the nano-powder that existing same category of device can't obtain.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the inclined-plane bar structure schematic diagram among Fig. 1 embodiment.
Fig. 3 is the stirring vane structural representation among Fig. 1 embodiment.
The specific embodiment
Embodiment one
The efficient sub-micron of present embodiment---nano-milled pulverizer is made up of pulverizing chamber 1 and agitator 2 two large divisions as shown in Figure 1.Agitator 1 is installed in the cylinder body pulverizing chamber 2, and the stirring vane of three layers of basic horizontal is housed on agitator 1 main shaft, and totally 24 of circumferentially uniform inclined-plane rods 4 fixedly are housed on every layer of stirring vane 3 pulverizing chamber inwall on the upper side.Except that the inclined-plane of the inclined-plane rod of the superiors downwards, the inclined-plane of all the other two layers of inclined-plane rods all makes progress.Inclined-plane rod 4 inscribed circle diameters that circumferentially distribute are less than the circumscribed circle diameter of stirring vane 3.
The structure of inclined-plane rod 4 as shown in Figure 2, its cross section is approximate trapezoid, the oblique angle is 30 ° (10～70 ° scope all can), it is streamlined that the rear portion is, and can avoid rod back, inclined-plane to influence crushing effect because of " dead band " occurring like this.
The stirring vane 3 of present embodiment as shown in Figure 3, the superiors are designed to the helical structure of backspin, can produce when rotated and press down effect, have with the superiors inclined-plane rods to prevent that similarly grinding bead and material from overflowing effect; Other each layer stirring vane then is designed to the helical structure that revolves, can produce when rotated and turn over effect, has with lower floor inclined-plane rod to prevent that similarly grinding bead and material from sinking to the bottom effect.Helical angle can be set in 5～50 °, and present embodiment is 30 °.This blade construction is pulverized more meaningful for dry type.
During use, after mixing speed improves 2900 rev/mins,, therefore obviously improved crushing effect, can obtain the nanometer product of particle diameter less than 100nm because the inclined-plane rod is to grinding bead with treat that the motion of comminuting matter has barrier effect, and can change its direction of motion at any time.On inspection, no matter be dry type or case of wet attrition, the pulverizing chamber bottom does not all have sedimentary deposit.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (5)
1. an efficient sub-micron---nano-milled pulverizer, form by pulverizing chamber and agitator two large divisions, described agitator is installed in the pulverizing chamber, the stirring vane of basic horizontal is housed on the described stirring main shaft, it is characterized in that: the inclined-plane rod that circumferential distribution fixedly is housed on the described pulverizing chamber inwall.
2, according to the described efficient sub-micron of claim 1---nano-milled pulverizer is characterized in that: the inscribed circle diameter of described circumferential distribution inclined-plane rod is less than the circumscribed circle diameter of stirring vane.
3. according to the described efficient sub-micron of claim 2---nano-milled pulverizer is characterized in that: the fixed position of every layer of inclined-plane rod is higher than every layer of corresponding stirring vane, except that the rod inclined-plane, inclined-plane of the superiors downwards, the inclined-plane of all the other each layer inclined-plane rods is upwards.
According to claim 1,2 or 3 described efficient sub-micron---nano-milled pulverizer is characterized in that: rod cross section, described inclined-plane is approximate trapezoid, and the oblique angle is 10～70 °, and it is streamlined that the rear portion is.
According to claim 1,2 or 3 described efficient sub-micron---nano-milled pulverizer is characterized in that: the described stirring vane the superiors are the backspin helical structure, and other each layer stirring vane revolves helical structure on being, helical angle is 5～50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263390 CN2555093Y (en) | 2002-07-29 | 2002-07-29 | High efficiency submicron-nano abrasive grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263390 CN2555093Y (en) | 2002-07-29 | 2002-07-29 | High efficiency submicron-nano abrasive grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2555093Y true CN2555093Y (en) | 2003-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02263390 Expired - Fee Related CN2555093Y (en) | 2002-07-29 | 2002-07-29 | High efficiency submicron-nano abrasive grinder |
Country Status (1)
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| CN (1) | CN2555093Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856632A (en) * | 2010-05-31 | 2010-10-13 | 张云 | Horizontal high-speed compound ball mill |
| CN102635012A (en) * | 2012-05-14 | 2012-08-15 | 金红叶纸业集团有限公司 | Fiber pretreatment device |
| CN102974424A (en) * | 2012-11-14 | 2013-03-20 | 安徽科达机电有限公司 | Continuous vertical stirring pulverizer |
| CN110813453A (en) * | 2019-11-20 | 2020-02-21 | 衡东县金源铝银粉有限公司 | A ball mill for fireworks aluminite powder production |
-
2002
- 2002-07-29 CN CN 02263390 patent/CN2555093Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856632A (en) * | 2010-05-31 | 2010-10-13 | 张云 | Horizontal high-speed compound ball mill |
| CN102635012A (en) * | 2012-05-14 | 2012-08-15 | 金红叶纸业集团有限公司 | Fiber pretreatment device |
| CN102974424A (en) * | 2012-11-14 | 2013-03-20 | 安徽科达机电有限公司 | Continuous vertical stirring pulverizer |
| CN102974424B (en) * | 2012-11-14 | 2014-07-02 | 安徽科达机电有限公司 | Continuous vertical stirring pulverizer |
| CN110813453A (en) * | 2019-11-20 | 2020-02-21 | 衡东县金源铝银粉有限公司 | A ball mill for fireworks aluminite powder production |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |