CN103170395B - Ball-stirring mill for convex pin turbine - Google Patents
Ball-stirring mill for convex pin turbine Download PDFInfo
- Publication number
- CN103170395B CN103170395B CN201110438459.6A CN201110438459A CN103170395B CN 103170395 B CN103170395 B CN 103170395B CN 201110438459 A CN201110438459 A CN 201110438459A CN 103170395 B CN103170395 B CN 103170395B
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- turbine
- stirring mill
- ball
- protruding pin
- ratchet wheel
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- 238000003756 stirring Methods 0.000 title claims abstract description 43
- 238000000227 grinding Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 6
- 238000003801 milling Methods 0.000 abstract 5
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The invention provides a ball-stirring mill for a convex pin turbine. The ball-stirring mill comprises one or more convex pin turbines, zero or more jaw wheels, a material-ball separating assembly, a milling cavity cylinder body, a charging cylinder cover and a discharging room, wherein a plurality of convex pins are arranged on the turbine(s), and the middle parts of the convex pins are hollowed to form vortex grooves; each turbine is provided with a plurality of through holes along the radial direction, and the through holes are communicated with the plurality of middle vortex grooves; and when the turbines run, a sizing agent and a milling media (i.e. milling balls) are driven to circularly move along the peripheral direction and the radial direction, and a high shearing force is generated by the stirring function of the pins. When the jaw wheels rotate, a powerful centripetal driving force is generated. The materials thrown out of the turbine and the milling balls are driven to enter inner holes of the turbines, so that the circular flow can be enhanced. According to the ball-stirring mill, a circular driving force and a stirring force of liquid are enhanced, so that the milling efficiency can be greatly improved, and the granularity of products milled for once can be obviously reduced; and therefore, the ball-stirring mill can be wildly applicable to the field of extra-fine grinding and extra-fine dispersing of materials, and in particular, the ball-stirring mill has preferable effects on the extra-fine grinding and dispersing of prepared nanometer-level products or high-viscosity products.
Description
Technical field
The invention belongs to vertical or horizontal media Ball-stirring mill field, be specifically related to a kind of protruding pin turbine medium stirring mill.
Background technology
Common vertical or horizontal media Ball-stirring mill approximately can be divided into three major types according to its stirring rotator structure: Wheel-type, excellent pin, turbine type.Be widely used in the wet grinding field of the industries such as coating, ink, dyestuff, electronic material, biology, pharmacy, cosmetics.The simple cost of Wheel-type medium stirring mill is low, but its grinding efficiency is low, and not easily prepares the abrasive product of particle diameter below 5 microns.The agitating function of rod pin medium stirring mill is relatively good, domain size distribution is more even, but grinding effect is still not ideal enough, need repeated multiple times grinding that product cut size just can be made will to reach less than 5 microns, just can realize if obtain the very high energy of submicron order product needed applying.The grinding usefulness of turbine type medium stirring mill and excellent pin are similar to, it orders about fluid and does circumferential cycle flowing and do radial circulation flowing to be better than excellent pin machine, but its agitating function does not have excellent pin machine good, the shearing force that the speed between the mill pearl that formed in flow field that is embodied in produces does not have the strong of excellent pin, and both grinding usefulness is approximate, turbine type machine-building difficulty is larger, cost is higher.Therefore, invention one comprehensively has excellent agitator-peg mill and turbine type medium stirring mill realizes High Efficiency Superfine grinding, especially obtains sub-micron grade and nanometer grade product, this has great significance to using the enterprise of medium stirring mill, and has wide practical use.
Summary of the invention
The object of the present invention is to provide a kind of protruding pin turbine medium stirring mill, the present invention contains: a turbine to multiple band protruding pin, and zero is to multiple ratchet wheel, and material pearl separator combines, grinding chamber cylindrical shell, cylinder cap and discharge chamber.Only have the Ball-stirring mill of single protruding pin turbine structure or for grinding water-based, the Ball-stirring mill of low viscosity material do not need fill ratchet wheel, ratchet wheel is contained between two turbines.
Described band protruding pin turbine, two circumference average mark of each turbine is furnished with two circle protruding pins, and the core of protruding pin is emptied to be communicated with turbine inner circle and formed protruding pin vortex groove, and the axis of turbine is opened several inclined holes and is communicated with through hole, forms central vortex groove.Each turbine can be monoblock type, also can make left and right two semi-built-ups to facilitate processing from middle split.The turbine rotated produces very strong centrifugal force, orders about fluid and does radial motion; Protruding pin on turbine produces very strong mixing power.
Described ratchet wheel is when rotating except playing stirring action, and also produce centripetal force, order about fluid and flow to axis direction, strengthen fluid and make radial cyclical movement, the material also strengthened between two turbines circles.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1) because the vortex groove of protruding pin turbine of the present invention opens the inside at protruding pin, runner is longer, acceleration is stronger, produces powerful centrifugal force during rotation, impels material and abrasive media to make radial cyclical movement at a high speed and circular motion.Powerful shearing force is produced the Particle Breakage in material between mill pearl.
2) protruding pin due to turbine is concavo-convex in turbine profile, make the stirring resistance of turbine larger, stirring action is larger, and fluid circles stronger, between mill pearl, between mill pearl and turbine, grind the shearing force that produces between pearl and casing wall more greatly, the particle in material is more easily pulverized.
3) speed of the pearl in the medial launder between two circle protruding pins is relatively little, and the pearl of the high speed accelerated through protruding pin vortex groove and protruding pin with both sides forms larger speed difference, produces stronger shearing force.
4) the present invention combines the advantage of excellent pin medium stirring mill and turbine type medium stirring mill, creates that more complicated, a stronger flow field, shearing force are stronger, crushing effect is better during rotation.
5) effect of ratchet wheel is strengthening material and mill pearl radial circulation, too increases the stirring action to fluid, particularly better to the grinding effect of high viscosity material.
Accompanying drawing explanation
Fig. 1 is the structural representation of protruding pin turbine medium stirring mill of the present invention.In figure: 1-protruding pin turbine, 2-ratchet wheel, 3-expects the combination of pearl separator, 4-grinding chamber cylindrical shell, 5-cylinder cap, 6-discharge chamber.
Fig. 2 is the protruding pin turbine structure schematic diagram in the present invention.
Fig. 3 is the ratchet wheel structural representation in the present invention.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with accompanying drawing, the present invention is further described.
As Fig. 1 so, protruding pin turbine medium stirring mill of the present invention contains: protruding pin turbine 1, ratchet wheel 2, and material pearl separator combination 3, grinding chamber cylindrical shell 4, charging lacks lid 5, discharge chamber 6.
As shown in Figure 2, two circumference of described protruding pin turbine respectively evenly the centre bit of several protruding pins, protruding pin draw inclined hole and be communicated with turbine inner circle, form vortex groove and be referred to as protruding pin turbine chute, several through holes are opened in the radial direction of turbine, the center of the medial launder between two circle protruding pins is opened several inclined holes and is communicated with through hole, is referred to as central vortex groove.The material that central vortex groove throws away and medium impel the material in medial launder and medium not to stop circulation, prevent material and medium for extended time to be trapped in grinding in groove.
As shown in Figure 3, described ratchet wheel has the pawl of several band radians, and inner side is involute or approximate involute, and outer survey is corresponding circular arc line, and during rotation, ratchet wheel is contrary with the driving action direction of protruding pin turbine to the driving effect of fluid.The root of pawl opens two skewed slots, and convenient being skidded off to two skewed slots by the material that drives to axle center flows to inside turbine.
According to above-mentioned, inventor has manufactured a platform convex pin turbine medium stirring mill, and this medium stirring mill volume is 30L, and power of motor is 55KW, this machine is placed in an ink company and applies, and tests with the industrial application that the excellent pin medium stirring mill being both 30L compares.
According to the result of long industrial production contrast experiment, this protruding pin turbine medium mill is greatly improved on nonferromagnetic substance than original excellent pin medium stirring mill, and what time following imbody is:
1, grinding efficiency is greatly improved, a kind of raw material particle size of simultaneous grinding is the black ink of 50 microns, and the flow of protruding pin turbine medium stirring mill of the present invention is 265 kgs/hour, and the flow of tradition rod pin Ball-stirring mill is 187 kgs/hour.
2, the particle diameter of single abrasive product significantly reduces, protruding pin turbine of the present invention through first time abrasive product particle diameter be reduced to 28 microns by 50 microns, drop to 16 microns through second time abrasive product particle diameter, through third time abrasive product particle diameter drop to 8 microns.8 microns are just reached after rod pin Ball-stirring mill then will grind 5 times.
3, the domain size distribution of abrasive product narrower evenly.
Through the product cut size of three grindings, protruding pin turbine medium stirring mill of the present invention is distributed as that more than d9 μm accounts for 8%, d5 ~ 8 μm account for 89%, below d5 μm accounts for 4%.
Through the product cut size of 5 grindings, common rod pin medium stirring mill is distributed as that more than d9 μm accounts for 11%, d5 ~ 8 μm account for 86%, below d5 μm accounts for 3%.
The present inventor is also applied to titanium dioxide protruding pin turbine medium stirring mill of the present invention, alundum (Al2O3), the extra-fine grinding of the materials such as zirconia, through the circular grinding of certain hour, product cut size all can reach the fineness that below 100 nanometers even reach below 50 nanometers.
Due to protruding pin turbine medium stirring mill of the present invention there is efficient, ultra-fine, particle diameter evenly etc. advantage, if promoted in field at extra-fine grinding, dispersed ultrafine, more than the several hundred million unit of economic benefit will be increased every year.Therefore the present invention has very large promotional value and application prospect, can be widely used in material and grind, dispersed ultrafine field.
Claims (3)
1. a protruding pin turbine medium stirring mill, is characterized in that: the turbine comprising multiple band protruding pin, multiple ratchet wheel; The turbine of described band protruding pin, two circumference average mark of each turbine is furnished with two circle protruding pins, and have a whirlpool groove in the middle of each protruding pin, the axis of turbine opens several through holes, and each through hole is communicated with middle whirlpool groove; Each turbine is monoblock type, or makes left and right two semi-built-ups to facilitate processing from middle split.
2. protruding pin turbine medium stirring mill according to claim 1, it is characterized in that: between the turbine of two band protruding pins, a ratchet wheel is housed, in approximate involute inside the tooth of ratchet wheel, opposite side is corresponding circular arc line, and during rotation, ratchet wheel is contrary with the driving action direction of protruding pin turbine to the driving effect of fluid.
3. protruding pin turbine medium stirring mill according to claim 1, is characterized in that: when it is for grinding water-based, low viscosity material, only establishes one to be with the turbine of protruding pin not fill ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110438459.6A CN103170395B (en) | 2011-12-24 | 2011-12-24 | Ball-stirring mill for convex pin turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110438459.6A CN103170395B (en) | 2011-12-24 | 2011-12-24 | Ball-stirring mill for convex pin turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103170395A CN103170395A (en) | 2013-06-26 |
| CN103170395B true CN103170395B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110438459.6A Active CN103170395B (en) | 2011-12-24 | 2011-12-24 | Ball-stirring mill for convex pin turbine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657801B (en) * | 2013-12-19 | 2016-11-23 | 占天义 | Stirring-type grinds separator and lapping device |
| CN108405090A (en) * | 2018-04-16 | 2018-08-17 | 深圳市科力纳米工程设备有限公司 | Stick pin turbine and grinding device |
| CN112024060A (en) * | 2020-09-18 | 2020-12-04 | 广州京驰精工机械设备有限公司 | Large-traffic developments prevent stifled piece-rate system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597126A (en) * | 1993-06-01 | 1997-01-28 | Willy A. Bachofen | Stirred ball mill |
| JP2005169340A (en) * | 2003-12-15 | 2005-06-30 | Aimetsukusu Kk | Horizontal wet type medium agitating dispersion grinder |
| CN2743026Y (en) * | 2004-03-29 | 2005-11-30 | 上海法孚莱机电科技发展有限公司 | Basket dispersing grinder |
| CN2784080Y (en) * | 2005-03-04 | 2006-05-31 | 许天明 | Dispersion and abrasion cartridge device for sand mill |
| CN101147887A (en) * | 2006-09-19 | 2008-03-26 | 昆山市正东实业有限公司 | Horizontal sand mill |
| WO2010112274A1 (en) * | 2009-02-24 | 2010-10-07 | Willy A. Bachofen Ag | Agitator ball mill |
-
2011
- 2011-12-24 CN CN201110438459.6A patent/CN103170395B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597126A (en) * | 1993-06-01 | 1997-01-28 | Willy A. Bachofen | Stirred ball mill |
| JP2005169340A (en) * | 2003-12-15 | 2005-06-30 | Aimetsukusu Kk | Horizontal wet type medium agitating dispersion grinder |
| CN2743026Y (en) * | 2004-03-29 | 2005-11-30 | 上海法孚莱机电科技发展有限公司 | Basket dispersing grinder |
| CN2784080Y (en) * | 2005-03-04 | 2006-05-31 | 许天明 | Dispersion and abrasion cartridge device for sand mill |
| CN101147887A (en) * | 2006-09-19 | 2008-03-26 | 昆山市正东实业有限公司 | Horizontal sand mill |
| WO2010112274A1 (en) * | 2009-02-24 | 2010-10-07 | Willy A. Bachofen Ag | Agitator ball mill |
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| CN103170395A (en) | 2013-06-26 |
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Effective date of registration: 20180117 Address after: 518101 Songgang Road, Songgang street, Baoan District, Shenzhen, Guangdong Province, No. 38 Patentee after: Shenzhen three star wing wing Machinery Co., Ltd. Address before: 518105, No. 38, Songgang Avenue, floor industrial building, Songgang Town, Shenzhen, Guangdong, Baoan District Patentee before: Xie Xiaofei |