CN102284328A - Cyclic type high-speed multi-impeller superfine powder grinder - Google Patents
Cyclic type high-speed multi-impeller superfine powder grinder Download PDFInfo
- Publication number
- CN102284328A CN102284328A CN2011102018345A CN201110201834A CN102284328A CN 102284328 A CN102284328 A CN 102284328A CN 2011102018345 A CN2011102018345 A CN 2011102018345A CN 201110201834 A CN201110201834 A CN 201110201834A CN 102284328 A CN102284328 A CN 102284328A
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- Prior art keywords
- grinding chamber
- superfine powder
- leafy
- separator
- impeller
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- 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.)
- Granted
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- 239000000843 powder Substances 0.000 title claims abstract description 38
- 125000004122 cyclic group Chemical group 0.000 title abstract 4
- 238000000227 grinding Methods 0.000 claims abstract description 86
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 24
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 19
- 239000002245 particle Substances 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The invention relates to a cyclic type high-speed multi-impeller superfine powder grinder, which comprises a barrel body. The left end of the barrel body is provided with a left cover plate; the right end of the barrel body is provided with a bottom plate; the interiors of the barrel body, the left cover plate and the bottom plate form a cylindrical grinding cavity; the left end of the grinding cavity is provided with a separating device matched with the internal diameter of the grinding cavity; the bottom plate is provided with a feeding hole communicated with the grinding cavity; the upper part of the left side of the barrel body is provided with a discharge hole; the lower part of the left side of the barrel body is provided with a drain outlet; the lower part of the left cover plate is provided with a medium outlet communicated with the grinding cavity; a main shaft is arranged in the grinding cavity; and the right end of the main shaft is connected with a transmission mechanism after extending out of the bottom plate. The cyclic type high-speed multi-impeller superfine powder grinder is characterized in that the main shaft is provided with a plurality of impellers. By adopting the cyclic type high-speed multi-impeller superfine powder grinder, powder to be ground can be fully ground in the cavity in the grinding process; the crushing force is even; a grinding medium and a material are in a good movement; the grinding efficiency is high; the particle size of the powder is small; and the particle size distribution is narrow.
Description
Technical field
The present invention relates to the leafy superfine powder grinder of taking turns of a kind of circular form high speed, especially a kind ofly be used for the raw material pulverizing of printing ink, coating, pigment, pottery, metal, toner, glass, paper grade (stock) coating pigment etc. or be dispersed into the equipment of superfine powder.
Background technology
Along with science and technology development, more and more higher in dyestuff, coating, printing ink, chemical industry, pottery, electronics or the like industry to the requirement of powder, be specially the powder granularity requirement and will reach micron order, sub-micron grade even nanoscale, the diameter of particle distribution is narrow, and grind size is even.Current society, energy scarcity, and energy cost increases day by day, and except that product quality, energy consumption also is an important performance assessment criteria to the user when selecting product.Existing circular form powder grinder generally has only single impeller, and the ratio of grinding chamber diameter D and length L (D/L) is greater than 1, powder is not long to the discharging opening abrasion path from charging aperture when grinding chamber, milling time is short, grinding efficiency is low, often needs could make that through circulation many times powder reaches granularity requirements.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of energy-efficient circular form high speed the leafy superfine powder grinder of taking turns, the crush force of cavity is even, and medium motion is good, medium powder separative efficiency height.
According to technical scheme provided by the invention, the leafy superfine powder grinder of taking turns of a kind of circular form high speed, comprise staving, left end at staving is provided with left cover, right-hand member at staving is provided with base plate, the inside of staving, left cover and base plate has constituted grinding chamber cylindraceous, at the left end of described grinding chamber the separator that the internal diameter with grinding chamber is complementary is installed; On described base plate, be provided with the charging aperture that is communicated with grinding chamber, be provided with discharging opening, be provided with sewage draining exit, be provided with the media outlet that is communicated with grinding chamber in the bottom of left cover in the bottom in staving left side on the top in staving left side; Be provided with main shaft in described grinding chamber, the right-hand member of described main shaft stretches out base plate and is connected with transmission mechanism; Feature is: described main shaft is provided with the multi-disc impeller.
Described impeller is 5 ~ 10, and the gabarit of described impeller is made up of the multistage arc, is provided with the hole on the end face of described impeller, and described impeller is arranged on the main shaft in maximum rotation outer diameter D 1 interlaced mode separately.
Described separator is a mesh screen cylindraceous, and described mesh screen is provided with plurality of gaps, and the width in described gap is 0.3 ~ 0.5 times of abrasive media diameter, forms angle theta between the two side in described mesh screen gap, and θ is 0 °～30 °.
The ratio D/L of described grinding chamber diameter D and the length L of grinding chamber is less than 1, and the ratio D1/D of the maximum rotation of described impeller outer diameter D 1 and grinding chamber inside diameter D is less than 1, and the ratio L1/L of the length L 1 of described separator and the length L of grinding chamber is less than 0.4.
The described grinding chamber diameter D and the ratio D/L of the length L of grinding chamber are 0.5 ~ 0.7.
The maximum rotation of described impeller outer diameter D 1 is 0.75 ~ 0.95 with the ratio D1/D of grinding chamber inside diameter D.
The length L 1 of described separator is 0.2 ~ 0.3 with the ratio L1/L of the length L of grinding chamber.
Grinding chamber cooling water spacer is installed on the outer wall of described staving, on grinding chamber cooling water spacer, is respectively arranged with grinding chamber coolant outlet and grinding chamber cooling water inlet; Outer wall at described separator is provided with separator cooling water spacer, is respectively arranged with separator coolant outlet and separator cooling water inlet on separator cooling water spacer.
Seal by sealing device between described main shaft and the base plate.
Inner surface at described grinding chamber is provided with the cavity liner, and the cavity liner can adopt multiple material to make.
Circular form high speed of the present invention is leafy takes turns the superfine powder grinder because impeller quantity is many, the grinding passage is long, being ground powder can both fully be ground in the circular grinding process in chamber each time, crush force is even, abrasive media and material movement are good, the grinding efficiency height, powder granularity is little, narrow diameter distribution.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the perspective view of impeller of the present invention.
Fig. 3 is the structural representation of material media separating apparatus of the present invention.
Fig. 4 is user mode figure of the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete accompanying drawing.
As Fig. 1～shown in Figure 4: the leafy superfine powder grinder of taking turns of circular form high speed comprises main shaft 1, impeller 2, charging aperture 3, discharging opening 4, separator 5, grinding chamber coolant outlet 6, separator coolant outlet 6a, grinding chamber cooling water inlet 7, separator cooling water inlet 7a, grinding chamber 8, cavity liner 9, sewage draining exit 10, media outlet 11, sealing device 12, left cover 13, base plate 14, staving 15, agitator 16, agitator 17, material-handling pump 18, stirring motor 19, separator cooling water spacer 20, grinding chamber cooling water spacer 21 etc.
As shown in Figure 1, the present invention includes staving 15, left end at staving 15 is provided with left cover 13, right-hand member at staving 15 is provided with base plate 14, the inside of staving 15, left cover 13 and base plate 14 has constituted grinding chamber 8 cylindraceous, inner surface at grinding chamber 8 is provided with cavity liner 9, and cavity liner 9 can be according to the material that is ground the various unlike materials of powder needs liner; On base plate 14, be provided with the charging aperture 3 that is communicated with grinding chamber 8, be provided with discharging opening 4, be provided with sewage draining exit 10, be provided with the media outlet 11 that is communicated with grinding chamber 8 in the bottom of left cover 13 in the bottom in staving 15 left sides on the top in staving 15 left sides; Grinding chamber cooling water spacer 21 is installed on the outer wall of described staving 15, on grinding chamber cooling water spacer 21, is respectively arranged with grinding chamber coolant outlet 6 and grinding chamber cooling water inlet 7; At the left end of described grinding chamber 8 separator 5 that the internal diameter with grinding chamber 8 is complementary is installed, outer wall at separator 5 is provided with separator cooling water spacer 20, is respectively arranged with separator coolant outlet 6a and separator cooling water inlet 7a on separator cooling water spacer 20; Grinding chamber cooling water spacer 21 and separator cooling water spacer 20 make can be pulverized, be ground, be dispersed to required particle diameter and do not changed its chemical property by physical method under constant temperature by the grounds travel body;
In described grinding chamber 8, be provided with main shaft 1, the right-hand member of described main shaft 1 stretches out base plate 14 and is connected with the clutch end of motor, seal by sealing device 12 between main shaft 1 and the base plate 14, to grind powder and abrasive media and transmission mechanism and the external world and keep apart, and can not produce leakage to guarantee material and medium; Described main shaft 1 is provided with 5 ~ 10 impellers 2; As shown in Figure 2, the gabarit of described impeller 2 is made up of the multistage arc, described impeller 2 is arranged on the main shaft 1 in separately maximum rotation outer diameter D 1 interlaced mode, is provided with hole 23 on the end face of described impeller 2, is ground to discharging opening 4 by charging aperture 3 and moves while be convenient to material;
As shown in Figure 3, described separator 5 is a mesh screen cylindraceous, is ground powder can fly out from discharging opening 4 via mesh screen, and abrasive media is then kept off in grinding chamber 8 by mesh screen; Described mesh screen is provided with plurality of gaps, and the width in described gap is 0.3 ~ 0.5 times of abrasive media diameter, excessively causes the abrasive media inordinate wear easily, too smallly then easily causes discharging not smooth, and material stops up mesh screen; Described mesh screen gap is wide outside and narrow inside horn-like, make the little part of grinding charge material particle diameter can pass through mesh screen fast, and abrasive media and big particle diameter powder can not pass through; Form angle theta between the two side in described gap, and 0 °＜θ≤30 °; Described gap also can be arranged in parallel between the two side, the angle theta that promptly forms between the two side=0 °;
The ratio D/L of described grinding chamber 8 diameter D and the length L of grinding chamber 8 is generally 0.5 ~ 0.7 less than 1; When D/L less than 0.5 the time, grinding chamber 8 is a slender type cavity, material is overstand in cavity, can cause the crush force secund, produces abnormal heating and inordinate wear, may have sometimes to cause that the situation that overload causes turning round takes place; When D/L greater than 0.7 the time, grinding chamber 8 is thick flat type container, material time of staying in grinding chamber is short, grinding efficiency is low;
The ratio D1/D of described impeller 2 maximum rotation outer diameter D 1 and grinding chamber 8 inside diameter D is generally 0.75 ~ 0.95 less than 1; The D1/D value conference cause material current not smooth, too smallly then do not produce enough kinetic energy, can make that the agitation grinding effect is undesirable;
The ratio L1/L of the length L 1 of described mesh screen and the length L of grinding chamber 8 is generally 0.2 ~ 0.3 less than 0.4.
The course of work of the present invention: as shown in Figure 4, material is delivered to material charging aperture 3 places of circular form multiple-blade grinder of the present invention by agitator 16 by material-handling pump 18, material fully grinds through the present invention after be back to agitator 16 by discharging opening 4, and the agitator 17 in agitator 16 stirs material under the driving of stirring motor 20.Ground powder from 4 one lateral movements of grinding chamber 8 charging apertures 3 one side direction discharging openings, grinding impeller 2 runs up and makes abrasive media and quilt grinding powder fully contact, and grind each other, fly out from discharging opening 4 owing to centrifugal action grinding charge material to material separation device 5 places, and enter grinding chamber 8 from charging aperture 3 once more through external circulating pump and carry out circular grinding, till being ground powder and being reached required particle diameter.
Claims (10)
1. leafy superfine powder grinder of taking turns of circular form high speed, comprise staving (15), left end at staving (15) is provided with left cover (13), right-hand member at staving (15) is provided with base plate (14), the inside of staving (15), left cover (13) and base plate (14) has constituted grinding chamber cylindraceous (8), at the left end of described grinding chamber (8) separator (5) that the internal diameter with grinding chamber (8) is complementary is installed; On described base plate (14), be provided with the charging aperture (3) that is communicated with grinding chamber (8), top in staving (15) left side is provided with discharging opening (4), bottom in staving (15) left side is provided with sewage draining exit (10), is provided with the media outlet (11) that is communicated with grinding chamber (8) in the bottom of left cover (13); Be provided with main shaft (1) in described grinding chamber (8), the right-hand member of described main shaft (1) stretches out base plate (14) and is connected with transmission mechanism; It is characterized in that: described main shaft (1) is provided with multi-disc impeller (2).
2. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1, it is characterized in that: described impeller (2) is 5 ~ 10, the gabarit of described impeller (2) is made up of the multistage arc, be provided with hole (23) on the end face of described impeller (2), described impeller (2) is arranged on the main shaft (1) in maximum rotation outer diameter D 1 interlaced mode separately.
3. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1, it is characterized in that: described separator (5) is a mesh screen cylindraceous, described mesh screen is provided with plurality of gaps, the width in described gap is 0.3 ~ 0.5 times of abrasive media diameter, form angle theta between the two side in described mesh screen gap, and θ is 0 °～30 °.
4. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1, it is characterized in that: the ratio D/L of the length L of described grinding chamber (8) diameter D and grinding chamber (8) is less than 1, the ratio D1/D of the maximum rotation of described impeller (2) outer diameter D 1 and grinding chamber (8) inside diameter D is less than 1, and the ratio L1/L of the length L 1 of described separator (5) and the length L of grinding chamber (8) is less than 0.4.
5. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 4 is characterized in that: the ratio D/L of the length L of described grinding chamber (8) diameter D and grinding chamber (8) is 0.5 ~ 0.7.
6. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 4 is characterized in that: the maximum rotation of described impeller (2) outer diameter D 1 is 0.75 ~ 0.95 with the ratio D1/D of grinding chamber (8) inside diameter D.
7. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 4 is characterized in that: the length L 1 of described separator (5) is 0.2 ~ 0.3 with the ratio L1/L of the length L of grinding chamber (8).
8. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1, it is characterized in that: grinding chamber cooling water spacer (21) is installed on the outer wall of described staving (15), on grinding chamber cooling water spacer (21), is respectively arranged with grinding chamber coolant outlet (6) and grinding chamber cooling water inlet (7); Outer wall at described separator (5) is provided with separator cooling water spacer (20), is respectively arranged with separator coolant outlet (6a) and separator cooling water inlet (7a) on separator cooling water spacer (20).
9. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1 is characterized in that: seal by sealing device (12) between described main shaft (1) and the base plate (14).
10. the leafy superfine powder grinder of taking turns of circular form high speed as claimed in claim 1 is characterized in that: the inner surface at described grinding chamber (8) is provided with cavity liner (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110201834.5A CN102284328B (en) | 2011-07-19 | 2011-07-19 | Cyclic type high-speed multi-impeller superfine powder grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110201834.5A CN102284328B (en) | 2011-07-19 | 2011-07-19 | Cyclic type high-speed multi-impeller superfine powder grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102284328A true CN102284328A (en) | 2011-12-21 |
| CN102284328B CN102284328B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110201834.5A Active CN102284328B (en) | 2011-07-19 | 2011-07-19 | Cyclic type high-speed multi-impeller superfine powder grinder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580824A (en) * | 2012-03-13 | 2012-07-18 | 周波 | High-efficiency grinding system |
| CN102974423A (en) * | 2012-11-15 | 2013-03-20 | 涂佳永 | Multi-function crusher |
| CN105396506A (en) * | 2014-09-12 | 2016-03-16 | 无锡新光粉体科技有限公司 | Powder treatment equipment |
| CN105833949A (en) * | 2016-05-16 | 2016-08-10 | 怡成屏障（张家港）科技有限公司 | Milling mechanism in coating sand mill |
| CN107185683A (en) * | 2017-06-19 | 2017-09-22 | 陈启兴 | A kind of self-cooled Highefficientpulverizer |
| CN108435341A (en) * | 2018-04-26 | 2018-08-24 | 苏州世名科技股份有限公司 | It is used to prepare the milling apparatus of particle dispersion |
| CN108479963A (en) * | 2018-05-11 | 2018-09-04 | 天津巴莫科技股份有限公司 | A kind of grading discharge sand mill |
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|---|---|---|---|---|
| CN1044236A (en) * | 1988-10-03 | 1990-08-01 | 金刚砂公司 | Inert autogenous attrition grinding |
| CN1118282A (en) * | 1994-09-09 | 1996-03-13 | Evv财产管理有限公司 | Agitator mill |
| CN1400925A (en) * | 2000-01-10 | 2003-03-05 | 普雷米尔机器公司 | Fine media mill with improved disc |
| CN2617466Y (en) * | 2003-05-04 | 2004-05-26 | 苏州中材非金属矿工业设计研究院有限公司 | High efficient grinding stripper |
| CN101486009A (en) * | 2009-02-20 | 2009-07-22 | 边浩光 | Nano dispersion mill |
-
2011
- 2011-07-19 CN CN201110201834.5A patent/CN102284328B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044236A (en) * | 1988-10-03 | 1990-08-01 | 金刚砂公司 | Inert autogenous attrition grinding |
| CN1118282A (en) * | 1994-09-09 | 1996-03-13 | Evv财产管理有限公司 | Agitator mill |
| CN1400925A (en) * | 2000-01-10 | 2003-03-05 | 普雷米尔机器公司 | Fine media mill with improved disc |
| CN2617466Y (en) * | 2003-05-04 | 2004-05-26 | 苏州中材非金属矿工业设计研究院有限公司 | High efficient grinding stripper |
| CN101486009A (en) * | 2009-02-20 | 2009-07-22 | 边浩光 | Nano dispersion mill |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580824A (en) * | 2012-03-13 | 2012-07-18 | 周波 | High-efficiency grinding system |
| CN102974423A (en) * | 2012-11-15 | 2013-03-20 | 涂佳永 | Multi-function crusher |
| CN105396506A (en) * | 2014-09-12 | 2016-03-16 | 无锡新光粉体科技有限公司 | Powder treatment equipment |
| CN105833949A (en) * | 2016-05-16 | 2016-08-10 | 怡成屏障（张家港）科技有限公司 | Milling mechanism in coating sand mill |
| CN107185683A (en) * | 2017-06-19 | 2017-09-22 | 陈启兴 | A kind of self-cooled Highefficientpulverizer |
| CN108435341A (en) * | 2018-04-26 | 2018-08-24 | 苏州世名科技股份有限公司 | It is used to prepare the milling apparatus of particle dispersion |
| CN108435341B (en) * | 2018-04-26 | 2023-11-14 | 苏州世名科技股份有限公司 | Grinding device for producing particle dispersions |
| CN108479963A (en) * | 2018-05-11 | 2018-09-04 | 天津巴莫科技股份有限公司 | A kind of grading discharge sand mill |
| CN108479963B (en) * | 2018-05-11 | 2024-01-02 | 天津巴莫科技有限责任公司 | Graded discharging sand mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102284328B (en) | 2014-07-02 |
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Address after: 214181 Wuxi, Huishan Economic Development Zone, Jiangsu Province Patentee after: Wuxi Xinguang Powder Process Co., Ltd. Address before: 214181, Jiangsu Province, Huishan District, Wuxi former Chau Street, former Road Patentee before: Wuxi Xinguang Powder Process Co., Ltd. |
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Denomination of invention: Cyclic type high-speed multi-impeller superfine powder grinder Effective date of registration: 20180611 Granted publication date: 20140702 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi Huishan branch Pledgor: Wuxi Xinguang Powder Process Co., Ltd. Registration number: 2018990000441 |
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Effective date of registration: 20210902 Address after: Zhanbei Road, Qianzhou street, Huishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi Taixian Powder Technology Co.,Ltd. Address before: 214181 Shiqian Road East, Qianzhou supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: WUXI XINGUANG POWDER PROCESS Co.,Ltd. |
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