CN103240150A - Novel stirring mill - Google Patents
Novel stirring mill Download PDFInfo
- Publication number
- CN103240150A CN103240150A CN2013101783057A CN201310178305A CN103240150A CN 103240150 A CN103240150 A CN 103240150A CN 2013101783057 A CN2013101783057 A CN 2013101783057A CN 201310178305 A CN201310178305 A CN 201310178305A CN 103240150 A CN103240150 A CN 103240150A
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- Prior art keywords
- abrasive media
- grinding
- grinding chamber
- novel stirring
- grinding media
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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.)
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- 238000003756 stirring Methods 0.000 title claims abstract description 50
- 238000000227 grinding Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000003082 abrasive agent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 235000012054 meals Nutrition 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The invention relates to a novel stirring mill which aims to efficiently grind various materials to be with high fineness. The novel stirring mill is provided with a stirrer, a cylinder body and grinding media, wherein the inner wall of the cylinder body are provided with polygon prism surfaces; the stirrer consists of a vertical shaft and a plurality of rectangular plate-shaped or frame-shaped stirring blades installed on the peripheral column surface of the vertical shaft, and can rotate at high speed under the effect of a driving device, thereby driving the grinding media and throwing the grinding media continuously and tangentially; and then the grinding media impact the polygon prism surfaces of the inner wall of the cylinder body, rebound irregularly to an action zone of a rotor, and enter the next circulation by the effect of the rotor again. During the whole process, the grinding media, the grinding media and the rotor, as well as the grinding media and the polygon prism surfaces of the inner wall of the cylinder body are continuously subjected to mutual collision and grinding effects, and the collision and grinding effects can enable materials to be grinded and split, so that the materials become high-fineness powder.
Description
Technical field
The present invention relates to a kind of being intended to more efficiently the novel stirring mill of various improved grindings to higher fineness.This novel stirring grinding tool has agitator, inwall to be cylindrical shell and the abrasive media of multi-prismatic surface.Described agitator by vertical shaft and several rectangular plate-like or the frame shape stirring vane that evenly are installed on the vertical shaft circumference cylinder form, can under the effect of drive unit, rotate at a high speed, thereby driving abrasive media also constantly tangentially dishes out abrasive media, abrasive media strikes on the multi-prismatic surface of cylinder inboard wall subsequently, and the active region that rotor is got back in irregular bounce-back takes place, the effect that is subjected to rotor again enters next circulation.
In the whole process, between the abrasive media, between abrasive media and the rotor, between the multi-prismatic surface of abrasive media and cylinder inboard wall bump, abrasive action are mutually taking place constantly.If add the numerous material of amounts of particles this moment, above-mentioned bump, abrasive action will make material be subjected to the grinding cracks solution, become thinner powder.
Technical background
Nineteen twenty-eight klein and Szegvari propose to stir the basic principle of mill, add natural sand grains in agitator, and using artificial abrasive media (porcelain ball, glass marble, steel ball etc.) is used the agitator grinding material then, thereby have raised the history that stirs mill.They have finished the particulate wet-milling with agitator and spherical medium, are used for coatings industry, and have set up UP company, specialize in and stir manufacturing and designing and applying of mill.
Nineteen thirty-nine, U.S. mine office designed a kind of grinder, was used for clearing up mineral surfaces before the flotation.This grinder is formed by being installed in rotor and a stator in the vertical cylinder, clears up mineral surfaces by the friction that the relative motion between rotor and the stator produces between the particle, and the back finds that this device is an effectively fine grinding equipment.Up to the present, various types of agitators (rotor) are by extensively open, comprise pin bar type, disc type, spiral etc.; Various forms of mill tubes (stator) comprise that also by extensively open column casing formula, awl cartridge type, inwall are equipped with the cartridge type of pin rod, regular polygon grinding cartridge type etc.; It is vertical, horizontal etc. that the form that the integral body that is disclosed stirs mill has.
Stir the barreling mill tube 201020562027.7 disclose a kind of regular polygon, adopting cross section is the sand cylinder of regular polygon, this shape can limit rotatablely moving of slip, prevent from forming on the slip face darker paraboloid of revolution, increase friction, the collision probability of grinding charge material and sand cylinder inwall, favourable material grinding.
Summary of the invention
In order to overcome existing this type of technology agitator stirring action deficiency, to stir grinder and do that the effect of ectonexine Medium Exchange does not cause grinding problems such as back raw meal particle size fineness is not high, particle size distribution is excessive, capacity usage ratio is on the low side by force in the process, task of the present invention is to propose a solution, utilize this solution can guarantee agitator stirring action abundance, stir grinder and do that the effect of ectonexine Medium Exchange is strengthened in the process, mill back raw meal particle size is thinner, particle size distribution is more concentrated, and capacity usage ratio obviously improves.
By the present invention, this task is resolved by a kind of a kind of novel stirring mill with the described feature of claim 1.Other favourable design can be resolved from dependent claims.
According to solution provided by the present invention be: a kind of agitator of novel stirring mill by vertical shaft and several rectangular plate-like or the frame shape stirring vane that evenly are installed on the vertical shaft circumference cylinder form, the agitator vertical shaft is installed on the frame by bearing, and its other end links to each other with drive unit.
A kind of cylinder inboard wall of novel stirring mill is multi-prismatic surface, and the rib number of multi-prismatic surface is different with the number of stirring vane and be not the multiple relation, to avoid resonance; Fill the abrasive media of right quantity and sphere diameter in a kind of cylindrical shell of novel stirring mill.
When a kind of novel stirring grinder is done, agitator rotates under the effect of drive unit, being installed on several rectangular plate-like on the agitator vertical shaft circumference cylinder or frame shape stirring vane stirs abrasive media and constantly abrasive media is tangentially dished out, abrasive media is struck on the multi-prismatic surface of cylinder inboard wall, because the angle of this collision is constantly to change, the bounce-back that causes is more irregular, such collision and bounce-back will aggravate to be in collision mutually between the abrasive media of diverse location in the cylindrical shell greatly, grind, at this moment, the material that is between abrasive media is subjected to this collision, the rapid refinement of abrasive action.
Simultaneously, such collision and bounce-back will greatly promote to be in the abrasive media generation convection current of diverse location in the cylindrical shell, and this convection current can be played the effect that drives the material convection current again, make that the raw meal particle size after final the grinding is more even.
Description of drawings
Be explained in detail by means of the present invention of embodiment illustrated in the accompanying drawings below.Other features of the present invention can obtain in conjunction with claim and accompanying drawing from the following explanation that embodiments of the invention are done.Single feature of the present invention this can be only self or a plurality of accomplished in different embodiments of the present invention together.Wherein:
Fig. 1 is the cut away view of the embodiment of basic model of the present invention, cylinder inboard wall is multi-prismatic surface, the cylindrical shell bottom centre position is provided with a material import and export, and the cover plate privileged site is provided with a material import and export simultaneously, and several frame shape stirring vanes are installed on the vertical shaft circumference cylinder.
Fig. 2 is that the A-A of embodiment of basic model of the present invention is to cut away view.
Fig. 3 is the cut away view of the embodiment of derivative type of the present invention, cylinder inboard wall is multi-prismatic surface, cancelled the material import and export of cylindrical shell bottom centre position, vertical shaft changes hollow shaft in order to as feeding-passage, keep the material outlet of loam cake privileged site, several frame shape stirring vanes are installed on the vertical shaft circumference cylinder.
Fig. 4 is the stereogram of the agitator of band frame shape stirring vane of the present invention.
Fig. 5 is the stereogram of the agitator of band plate-like stirring vane of the present invention.
The specific embodiment
In Fig. 1, vertical shaft (1) external cylindrical surface is equipped with frame shape stirring vane (6), cylindrical shell (7) is formed by connecting by one section cylindrical drum and circular bottom plate, adpting flange suitable for reading is connected with cover plate (2), a cooling water outlet and inlet (14) and a cooling water outlet and inlet (5) are housed on the cylindrical drum circumference, advancing of band valve (12) is equipped with at the circular bottom plate center, drainage conduit (13), advance, the separator (11) that separates abrasive media and material is equipped with at the place suitable for reading that drainage conduit (13) is led to cylinder lumen, and cylindrical shell (7) inside is equipped with several piece and uses cant board (8) that high-abrasive material makes and the triangle bottom plate (10) of equal number high-abrasive material manufacturing.Cover plate (2) is gone up suitable position the discharge nozzle (4) that links to each other with separator (3) is housed.Cylinder lumen is inserted the abrasive media of right quantity.
In Fig. 1 Fig. 2, cylindrical shell (7) inside is equipped with several piece and uses the cant board (8) of high-abrasive material manufacturing and the triangle bottom plate (11) that the equal number high-abrasive material is made, and constitutes wear-resisting lining, also can adopt the wear-resisting lining of the whole manufacturing of suitable method.
As shown in Figure 3, vertical shaft (1a) can be made the form of hollow shaft, the effect of the double feed pipe of its hollow pipe (9), in this case, can cancel the advancing of the band valve (12) that is equipped with at the circular bottom plate center, drainage conduit (13), the form of triangle bottom plate is as (10a); Can also retention valve (12) and drainage conduit (13), discharge is used during as spark-out.
When a kind of novel stirring grinder is done, vertical shaft (1) rotates under the effect of drive unit, being installed on several frame shape stirring vanes (6) on vertical shaft (1) the circumference cylinder stirs abrasive media and constantly abrasive media is tangentially dished out, on the multi-prismatic surface that the cant board (8) that makes abrasive media strike the installation of cylindrical shell (7) inwall constitutes, because the angle of this collision is constantly to change, the bounce-back that causes is more irregular, collides mutually so such collision and bounce-back will aggravate to be between the abrasive media of interior the diverse location of cant board (8) greatly, grind.
When continuous feed and discharge method work are ground in a kind of novel stirring, the material that drops into by feeding-passage (13) or (9) enters between the abrasive media, be subjected to above-mentioned collision, the rapid refinement of abrasive action, and along with abrasive media rotates the position that the centrifugal action that produces moves to separator (3), enter discharge nozzle (4) subsequently and finally be collected.
Above-mentioned collision and bounce-back also will greatly promote to be in the abrasive media generation convection current of diverse location in the cylindrical shell, and this convection current can be played the effect that drives the material convection current again, make that raw meal particle size is more even after the final grinding.
When a kind of novel stirring was ground with intermittent work mode, valve (12) was in closed condition.In case in the time of need be the buildup emptying in the grinding chamber, open valve (12), the buildup in the grinding chamber is discharged through separator (11), drainage conduit (13).
When needing cooling, cooling water outlet and inlet (14) can link to each other with cooling water system with cooling water outlet and inlet (5), and cooling water is circulated, the space between cylindrical shell (7) and cant board (8) of continuing to flow, and enforcement is cooled off to grinding chamber.
Claims (8)
1. a novel stirring is ground, comprise an agitator, an inwall is the grinding chamber of multi-prismatic surface, place a certain amount of abrasive media ball in the grinding chamber, a urceolus, a cover plate, several tabular or frame dress stirring vanes are installed on the shaft of agitator, the agitator that such stirring vane can make rotation get up produces maximum toggle action to the abrasive media ball, the abrasive media ball that is accelerated is stirred blade accelerate and dish out after, the motion of grinding chamber inwall and collision with it to multi-prismatic surface, the angle of this collision is constantly to change, formed bounce-back is more complicated, finally make between the abrasive media ball of One's name is legion continually mutually bump and grinding, thereby the material particles that is between the abrasive media ball is produced pulverization frequently, can obtain better crushing effect, it is characterized in that: vertical shaft (1) external cylindrical surface is equipped with frame shape stirring vane (6) or the tabular stirring vane that can produce maximum toggle action to the abrasive media ball, cylindrical shell (7) inside has the inner prop panel (8) of many ribs and bottom panel (10) to constitute grinding chamber, inserts the abrasive media of right quantity in the grinding chamber.
2. by the described a kind of novel stirring mill of claim 1, it is characterized in that: the rib number with many ribs inner prop panel (8) of high-abrasive material manufacturing is different with the number of stirring vane (6) and be not multiple and concern.
3. by the described a kind of novel stirring mill of claim 1, it is characterized in that: cover plate (2) is gone up suitable position the discharge nozzle (4) that links to each other with separator (3) is housed.
4. by the described a kind of novel stirring mill of claim 1, it is characterized in that: vertical shaft (1a) can be made the form of hollow shaft, the effect of the double feed pipe of its hollow pipe (9), in this case, can cancel the advancing of the band valve (12) that is equipped with at the circular bottom plate center, drainage conduit (13), the form of triangle bottom plate is as (10a), can also retention valve (12) and drainage conduit (13), and discharge is used during as spark-out.
5. by the described a kind of novel stirring mill of claim 1, it is characterized in that: when operate as normal is ground in a kind of novel stirring, valve (12) is in closed condition, in case in the time of need be the buildup emptying in the grinding chamber, open valve (12), the buildup in the grinding chamber is discharged through separator (11), drainage conduit (13).
6. by the described a kind of novel stirring mill of claim 1, it is characterized in that: during the needs cooling, cooling water flow can be implemented cooling to grinding chamber through advancing (going out) mouthful (14) and (advancing) outlets (5).
7. when grinding continuous feed and discharge method work by the described a kind of novel stirring of claim 1, the material that drops into by feeding-passage (13) or (9) enters between the abrasive media, be subjected to above-mentioned collision, the rapid refinement of abrasive action, and along with abrasive media rotates the position that the centrifugal action that produces moves to separator (3), enter discharge nozzle (4) subsequently and finally be collected.
8. when grinding with intermittent work mode by the described a kind of novel stirring of claim 1, valve (12) is in closed condition, in case in the time of need be the buildup emptying in the grinding chamber, open valve (12), the buildup in the grinding chamber is discharged through separator (11), drainage conduit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178305.7A CN103240150B (en) | 2013-05-15 | 2013-05-15 | A kind of Ball-stirring mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178305.7A CN103240150B (en) | 2013-05-15 | 2013-05-15 | A kind of Ball-stirring mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103240150A true CN103240150A (en) | 2013-08-14 |
| CN103240150B CN103240150B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310178305.7A Expired - Fee Related CN103240150B (en) | 2013-05-15 | 2013-05-15 | A kind of Ball-stirring mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103240150B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055155A (en) * | 2019-02-02 | 2019-07-26 | 蔡成龙 | Installation for fermenting |
| CN113182021A (en) * | 2021-03-21 | 2021-07-30 | 南华大学 | Vane type discrete ball milling device |
| CN115184221A (en) * | 2022-09-07 | 2022-10-14 | 合肥金星智控科技股份有限公司 | Automatic detection device for powder materials |
| CN117299299A (en) * | 2023-11-28 | 2023-12-29 | 浙江艾领创矿业科技有限公司 | Large-scale horizontal sand mill |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4844355A (en) * | 1987-11-05 | 1989-07-04 | Gte Products Corporation | Apparatus for milling metal powder to produce high bulk density fine metal powders |
| JPH0389953A (en) * | 1989-08-31 | 1991-04-15 | Mitsui Miike Kakoki Kk | Dry grinding method |
| CN2124068U (en) * | 1992-04-03 | 1992-12-09 | 张永生 | Turbine mixing mill |
| CN1546238A (en) * | 2003-12-11 | 2004-11-17 | 辉 刘 | Sand mill using dispersion board as dispersion assembly |
| JP3628559B2 (en) * | 1999-08-12 | 2005-03-16 | 太陽誘電株式会社 | Bead mill |
| CN2799075Y (en) * | 2005-06-10 | 2006-07-26 | 湖南超牌化工有限公司 | Vertical wet-process super grinder |
| CN200960466Y (en) * | 2006-05-11 | 2007-10-17 | 沈国平 | Sand mill |
| CN201807422U (en) * | 2010-10-13 | 2011-04-27 | 桂林理工大学 | Regular polygonal stirring-mill grinding cylinder |
| CN102935399A (en) * | 2011-08-15 | 2013-02-20 | 席玉林 | Centrifugal grinder |
-
2013
- 2013-05-15 CN CN201310178305.7A patent/CN103240150B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4844355A (en) * | 1987-11-05 | 1989-07-04 | Gte Products Corporation | Apparatus for milling metal powder to produce high bulk density fine metal powders |
| JPH0389953A (en) * | 1989-08-31 | 1991-04-15 | Mitsui Miike Kakoki Kk | Dry grinding method |
| CN2124068U (en) * | 1992-04-03 | 1992-12-09 | 张永生 | Turbine mixing mill |
| JP3628559B2 (en) * | 1999-08-12 | 2005-03-16 | 太陽誘電株式会社 | Bead mill |
| CN1546238A (en) * | 2003-12-11 | 2004-11-17 | 辉 刘 | Sand mill using dispersion board as dispersion assembly |
| CN2799075Y (en) * | 2005-06-10 | 2006-07-26 | 湖南超牌化工有限公司 | Vertical wet-process super grinder |
| CN200960466Y (en) * | 2006-05-11 | 2007-10-17 | 沈国平 | Sand mill |
| CN201807422U (en) * | 2010-10-13 | 2011-04-27 | 桂林理工大学 | Regular polygonal stirring-mill grinding cylinder |
| CN102935399A (en) * | 2011-08-15 | 2013-02-20 | 席玉林 | Centrifugal grinder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055155A (en) * | 2019-02-02 | 2019-07-26 | 蔡成龙 | Installation for fermenting |
| CN113182021A (en) * | 2021-03-21 | 2021-07-30 | 南华大学 | Vane type discrete ball milling device |
| CN115184221A (en) * | 2022-09-07 | 2022-10-14 | 合肥金星智控科技股份有限公司 | Automatic detection device for powder materials |
| CN117299299A (en) * | 2023-11-28 | 2023-12-29 | 浙江艾领创矿业科技有限公司 | Large-scale horizontal sand mill |
| CN117299299B (en) * | 2023-11-28 | 2024-02-09 | 浙江艾领创矿业科技有限公司 | Large-scale horizontal sand mill |
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| Publication number | Publication date |
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| CN103240150B (en) | 2016-04-20 |
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Effective date of registration: 20160114 Address after: 130020 No. 2699 Qianjin Street, Jilin, Changchun Applicant after: Jilin University Address before: 130020 floor, second teaching building, No. 5988 Renmin Street, Jilin, Changchun Applicant before: Wang Yingwei |
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