CN102728440A - Efficient upright ball mill - Google Patents
Efficient upright ball mill Download PDFInfo
- Publication number
- CN102728440A CN102728440A CN2012102375718A CN201210237571A CN102728440A CN 102728440 A CN102728440 A CN 102728440A CN 2012102375718 A CN2012102375718 A CN 2012102375718A CN 201210237571 A CN201210237571 A CN 201210237571A CN 102728440 A CN102728440 A CN 102728440A
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- Prior art keywords
- ball
- mill
- abrading
- milling
- ball mill
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- 238000000498 ball milling Methods 0.000 claims abstract description 33
- 239000003082 abrasive agent Substances 0.000 claims description 49
- 230000001141 propulsive effect Effects 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 abstract 18
- 238000005516 engineering process Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an efficient upright ball mill, which comprises a milling bucket, a ball mill unit and a control unit, wherein the milling bucket is fixedly arranged at the middle lower part inside a shell; the milling bucket is used for holding milling balls and milling materials to be processed; the ball mill unit is used for ball milling of the milling balls and the milling materials to be processed and comprises a motor, a milling shaft and rotary vanes; the milling shaft is connected with an output shaft of the motor; the rotary vanes are arranged on the milling shaft; the control unit is used for controlling the rotation of the ball mill unit; before the ball mill unit is stopped, the ball mill unit is controlled by the control unit to turn inversely; the rotary vanes rotate along a reverse helix direction so as to generate reverse thrust to the milling balls and the milling materials inside the milling bucket, then the rotary vanes are disassociated from the area of the milling balls and the milling materials inside the milling bucket and are suspended at the area above the milling balls and the milling materials, and consequently, starting current of the motor is safe starting current while the upright ball mill is started again.
Description
Technical field
The present invention relates to a kind of high-efficiency vertical ball mill, especially a kind of wet type vertical ball mill.
Background technology
Chinese patent 20112020205.5 discloses a kind of ball mill; Include cylindrical shell; The surface of cylindrical shell axially, the footpath upwards is provided with a plurality of bolts hole, cylindrical shell is provided with the tube cover outward, has the space between tube cover and the cylindrical shell; And be connected as one through bolt, described cylinder inner surface is provided with a plurality of blades.This utility model patent can reduce to 30～40 decibels with the ball mill noise in the running, builds the sound insulation room so when ball mill is installed, need not cooperate, and has reduced cost and floor space, and operating environment also is greatly improved, and is particularly suitable for horizontal ball mill.
In addition, Chinese patent 20101011104.8 discloses the ball mill that a kind of running noise reduces, and the ball mill body comprises cylindrical shell; It is vertically arranged with many circle bolts hole the cylindrical shell upper edge, is outside equipped with and the adaptive blimp of cylindrical shell rotary surface profile phase the sound insulation chamber for vacuumizing between blimp and the cylindrical shell at cylindrical shell; The blimp outside is provided with manhole outer cover and the annular outer cover with vacuum lumen structure again; Can the ball mill noise in the running be reduced to 30～40 decibels, build the sound insulation room, reduce cost and floor space so when ball mill is installed, need not cooperate; Operating environment also is greatly improved, and is particularly suitable for horizontal ball mill.
Yet except horizontal ball mill, the application of vertical ball mill is very extensive, is mainly used in the pulverizing to various ores.Vertical ball mill also is the energy saving and environment friendly novel mine mechanism of very paying close attention to both at home and abroad in recent years.It and conventional horizontal ball mill compare, and have safe in utilization, little power consumption, characteristics such as abrasive particle is thin, noise is little, environmental protection.But because of the technology of vertical ball mill in the market is difficult to start after shutdown, can not reach problems such as full-load operation efficient, this makes the promotion and application of large-scale vertical ball mill run into very big technology barrier.
Existing in the market attritor mill machine technology can operate as normal after starting in order to guarantee it, mostly is to be main with the startup maximum current that satisfies motor.After electric motor starting reached normal operating conditions, current of electric can be reduced to full-power about 2/3, because the load of output reduces, caused operating efficiency to reduce.Especially hesitation surpasses the regular hour; Abrading-ball that vertical ball mill mill bucket is inner and abrasive material will precipitate and be agglomerated to together; Cause when starting once more to have started not or to have started very difficulty, cause the starting current overload of motor then in addition burn out motor, the situation of damaging parts such as reductor takes place.
Present existing solution is exactly when vertical ball mill is shut down, and clears out of a part to abrading-ball and abrasive material in the mill bucket.And at the icing weather of cold; Start difficulty next time in order to prevent that abrading-ball, abrasive material freeze together to cause in the mill bucket; Be after vertical ball mill is shut down, will from the mill bucket, all go out abrading-ball and abrasive material clearly generally speaking, after waiting until that next vertical ball mill is normal and starting, relay abrading-ball that clears out and abrasive material to get back to again and grind barrel; The work after shutting down of so not only giving brings inconvenience, also greatly reduces the operating efficiency of vertical grinder simultaneously.
Therefore, be necessary to study a kind of high-efficiency vertical ball mill, to solve the problem that exists in the prior art.
Summary of the invention
Consider at least one the problems referred to above and accomplished the present invention, and one object of the present invention is to provide a kind of high-efficiency vertical ball mill, it is characterized in that comprising: shell; The mill bucket, it is arranged in the shell regularly and is positioned at the middle and lower part of shell, is used to place pending abrading-ball and abrasive material in this mill bucket; Be used for the said pending abrading-ball of ball milling and the ball milling unit of abrasive material, it comprises motor, mill axle and vane, and this mill axle is connected with the output shaft of motor, and vane is arranged on the mill axle; And control module, be used to control the running of said ball milling unit, wherein; Before stopping said ball milling unit; This control module is controlled the counter-rotating of said ball milling unit, and said vane produces the propulsive thrust to abrading-ball and abrasive material in the mill bucket with the antispin direction rotation, makes said vane break away from abrading-ball and abrasive material zone in the mill bucket; And being suspended in abrading-ball and the zone above the abrasive material, the starting current of said motor is in the clean boot electric current when starting said vertical ball mill once more to satisfy.
Present invention can be implemented in effectively start ball mill full-load operation under the complex conditions; Especially shut down because of cold snap or because of long-time; Under the situation that the abrading-ball abrasive material freezes, condenses in the mill bucket; Vertical ball mill of the present invention still can normally start, and can reach full-power efficient operation state automatically.
According to a further aspect of the invention, said vane is a spirality.There is loose space at the downside of vane and the zone between abrading-ball and abrasive material when unique screw type blade can make the ball milling cell operation, is convenient to the counter-rotating of ball milling unit and is suspended in abrading-ball and abrasive material top.
According to a further aspect of the invention, said ball milling unit also comprises reductor, and it is connected between motor and the mill axle.
According to a further aspect of the invention, make during said ball milling cell operation (upper side rolls abrading-ball and produces the purpose of abrasive) downside and the zone between abrading-ball and abrasive material of vane have loose space (be beneficial to upper side abrading-ball freely rotate have reliable abrasive action).
According to a further aspect of the invention, also provide a kind of and adopted said high-efficiency vertical ball mill to carry out the method for ball milling, it is characterized in that may further comprise the steps:
Start said ball mill so that it gets into duty;
Before stopping said ball milling unit; Control the counter-rotating of said ball milling unit; Said vane produces the propulsive thrust to abrading-ball and abrasive material in the mill bucket with the antispin direction rotation; Make said vane break away from abrading-ball and abrasive material zone in the mill bucket, and be suspended in abrading-ball and the zone above the abrasive material, the starting current of said motor is in the clean boot electric current when starting said vertical ball mill once more to satisfy;
Stop said ball mill.
Compared with prior art, beneficial effect of the present invention is: high-efficiency vertical ball mill of the present invention will not receive the influence of factors such as environment and downtime, behind normal the startup, can reach the full load efficient operation automatically; Also solved in the mill bucket abrading-ball and abrasive material because of freezing, or shut down can not normally starting of condensing and cause for a long time, the causes motor electric current overloads, and burns out the problem of parts such as motor or damage reductor, the service life of guaranteeing ball mill; This vertical ball mill increases nearly 1/3 than the operating efficiency of market prior art vertical ball mill.This ball mill has solved current vertical ball mill can not be to the bottleneck of large-scale vertical ball mill development; Its bottleneck reason is exactly; Large-size ball mill will go out a large amount of abrading-ball in the inside clearly after shutting down, and this waits just for maintenance and brings a lot of troubles, causes to promote to widely apply to receive obstacle.
Description of drawings
Fig. 1 is the structural representation of high-efficiency vertical ball mill (stopped status) according to the preferred embodiment of the invention.
Fig. 2 is the sectional schematic diagram along the high-efficiency vertical ball mill of the I-I direction of Fig. 1.
Fig. 3 is the structural representation of high-efficiency vertical ball mill (duty) according to the preferred embodiment of the invention.
Fig. 4 is the sectional schematic diagram along the high-efficiency vertical ball mill of the II-II direction of Fig. 3.
Fig. 5 is a part of structural representation of high-efficiency vertical ball mill according to the preferred embodiment of the invention.
In the accompanying drawing, 1. motor, 2. reductor, 3. mill axle, 4. vane, 5. mill bucket, 6. abrading-ball, 7. abrasive material, 8. space
The specific embodiment
Below in conjunction with accompanying drawing; Through preferred embodiment preferred forms of the present invention is described; The specific embodiment here is at length to explain the present invention, and should not be construed as limitation of the present invention, under the situation that does not break away from spirit of the present invention and essential scope; Can make various distortion and modification, these all should be included within protection scope of the present invention.
Referring to Fig. 1, wherein show the high-efficiency vertical ball mill of the preferred embodiment of the present invention.This high-efficiency vertical ball mill comprises: shell; Mill bucket 5, it is arranged in the shell regularly and is positioned at the middle and lower part of shell, is used to place pending abrading-ball 6 and abrasive material 7 in this mill bucket 5; Be used for the ball milling unit of said pending abrading-ball 6 of ball milling and abrasive material 7, it comprises motor 1, mill axle 3 and vane 4, and this mill axle 3 is connected with the output shaft of motor 1, and vane 4 is arranged on and grinds on spools 3; And control module, be used to control the running of said ball milling unit, wherein; Before stopping said ball milling unit; This control module is controlled the counter-rotating of said ball milling unit, and said vane 4 produces the propulsive thrust to abrading-ball 6 and abrasive material 7 in the mill bucket 5 with the antispin direction rotation, makes said vane 4 break away from abrading-ball 6 and abrasive material 7 zones in the mill bucket 5; And being suspended in abrading-ball 6 and the zone above the abrasive material 7, the starting current of said motor 1 is in the clean boot electric current when starting said vertical ball mill once more to satisfy.
High-efficiency vertical ball mill of the present invention will not receive the influence of factors such as environment and downtime, behind normal the startup, can reach the full load efficient operation automatically; Also solved in the mill bucket abrading-ball and abrasive material because of freezing, or shut down can not normally starting of condensing and cause for a long time, the causes motor electric current overloads, and burns out the problem of parts such as motor or damage reductor.
Preferably, said vane 4 is a spirality.Preferably, said ball milling unit also comprises reductor 2, and it is connected between motor 1 and the mill axle 3.
Preferably, make during said ball milling cell operation the zone of 7 in downside and abrading-ball 6 and abrasive material of vane 4 have loose gap 8.
Preferably, a kind ofly adopt described high-efficiency vertical ball mill to carry out the method for ball milling, may further comprise the steps: start said ball mill so that it gets into duty; Before stopping said ball milling unit; Control the counter-rotating of said ball milling unit; Said vane 4 produces the propulsive thrust to abrading-ball 6 and abrasive material 7 in the mill bucket 5 with the antispin direction rotation; Make abrading-balls 6 and abrasive material 7 zones in the said vane 4 disengaging mill buckets 5, and be suspended in abrading-ball 6 and the zone above the abrasive material 7, the starting current of said motor 1 is in the clean boot electric current when starting said vertical ball mill once more to satisfy; Stop said ball mill.
Preferably, motor 1 output on vertical ball mill directly is connected with the mill axle 3 of being furnished with vane 4 through gearbox.Motor 1 among Fig. 2, reductor 2 have been formed assembly through the mill axle 3 and the vane 4 of configuration.This assembly is suspended in abrading-ball 6; The upper area of abrasive material 7; After motor 1 starts with normal starting current; Vane 4 screws in the abrading-ball 6 and abrasive material 7 zones that enter in the mill bucket 5 gradually from the suspension stay state of abrading-ball 6 and abrasive material 7 upper areas, and while motor 1 electric current is increased to the normal operating conditions FLC full load current gradually and carries out work.
During shutdown; Because the downside of vane 4 has loose space 8 with abrading-ball 6 with abrasive material 7 places, thus guaranteed motor 1 normal starting current can in time start the counter-rotating operation down, make a vane 4 that grinds on spools 3 opposite with operative orientation; It is the antispin direction rotation; Generation breaks away from and is suspended in the upper area of abrading-ball 6 and abrasive material 7 to the propulsive thrust motion that the abrading-balls in the mill bucket 56 and abrasive material 7 make progress, and satisfies when starting once more motor 1 and is under the condition that starts in the safe starting current and shuts down.
Like this; When start start next time; Motor can be realized starting with interior enforcement with the starting current of safety, and vane 4 screws in the abrading-ball 6 and abrasive material 7 zones of mill bucket gradually, ascending gradually increase load; FLC full load current when making motor 1 electric current be enhanced to operate as normal has been realized the automatic full-load operation of grinding machine.In addition; Present technique has also thoroughly solved the interior abrading-ball of mill bucket and abrasive material freezes under cold snap or shut down condensing of causing for a long time; Make vertical ball mill start difficulty, cause in startup current of electric serious, burn out motor or damage problems such as reductor parts and be solved because of transshipping.The abrasive material 6 of having avoided after shutdown original Technology Need will grind in the bucket clears out earlier with abrading-ball 7, treat motor 1 normal the startup after, be put back into the working link that the consumption people in the mill bucket takes time and effort to abrading-ball 6 and abrasive material 7 again, thereby production efficiency promoted significantly.
In sum, beneficial effect of the present invention is: high-efficiency vertical ball mill of the present invention will not receive the influence of factors such as environment and downtime, behind normal the startup, can reach the full load efficient operation automatically; Also solved in the mill bucket abrading-ball and abrasive material because of freezing, or shut down can not normally starting of condensing and cause for a long time, the causes motor electric current overloads, and burns out the problem of parts such as motor or damage reductor, the service life of guaranteeing ball mill; This vertical ball mill increases nearly 1/3 than the operating efficiency of market prior art vertical ball mill.
The invention is not restricted to above-mentioned specific embodiment.It is understandable that under the situation that does not break away from spirit of the present invention and essential scope, can make various distortion and modification, these all should be included within protection scope of the present invention.
Claims (5)
1. a high-efficiency vertical ball mill is characterized in that comprising: shell; The mill bucket, it is arranged in the shell regularly and is positioned at the middle and lower part of shell, is used to place pending abrading-ball and abrasive material in this mill bucket; Be used for the said pending abrading-ball of ball milling and the ball milling unit of abrasive material, it comprises motor, mill axle and vane, and this mill axle is connected with the output shaft of motor, and vane is arranged on the mill axle; And control module, be used to control the running of said ball milling unit, wherein; Before stopping said ball milling unit; This control module is controlled the counter-rotating of said ball milling unit, and said vane produces the propulsive thrust to abrading-ball and abrasive material in the mill bucket with the antispin direction rotation, makes said vane break away from abrading-ball and abrasive material zone in the mill bucket; And being suspended in abrading-ball and the zone above the abrasive material, the starting current of said motor is in the clean boot electric current when starting said vertical ball mill once more to satisfy.
2. a high-efficiency vertical ball mill according to claim 1 is characterized in that said vane is a spirality.
3. a high-efficiency vertical ball mill according to claim 1 and 2 is characterized in that said ball milling unit also comprises reductor, and it is connected between motor and the mill axle.
4. high-efficiency vertical ball mill according to claim 1 and 2 makes (upper side rolls abrading-ball and produces the purpose of abrasive) downside and the zone between abrading-ball and abrasive material of vane have loose space (be beneficial to upper side abrading-ball freely rotate have reliable abrasive action) when it is characterized in that said ball milling cell operation.
5. method that adopts each described high-efficiency vertical ball mill among the claim 1-4 to carry out ball milling is characterized in that may further comprise the steps:
Start said ball mill so that it gets into duty;
Before stopping said ball milling unit; Control the counter-rotating of said ball milling unit; Said vane produces the propulsive thrust to abrading-ball and abrasive material in the mill bucket with the antispin direction rotation; Make said vane break away from abrading-ball and abrasive material zone in the mill bucket, and be suspended in abrading-ball and the zone above the abrasive material, the starting current of said motor is in the clean boot electric current when starting said vertical ball mill once more to satisfy;
Stop said ball mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210237571.8A CN102728440B (en) | 2012-07-11 | 2012-07-11 | Efficient upright ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210237571.8A CN102728440B (en) | 2012-07-11 | 2012-07-11 | Efficient upright ball mill |
Publications (2)
| Publication Number | Publication Date |
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| CN102728440A true CN102728440A (en) | 2012-10-17 |
| CN102728440B CN102728440B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210237571.8A Expired - Fee Related CN102728440B (en) | 2012-07-11 | 2012-07-11 | Efficient upright ball mill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537360A (en) * | 2013-11-06 | 2014-01-29 | 北京萃宝重工科技有限公司 | Vertical type ball-milling normal pressure non-blocking feeding system and feeding method thereof |
| CN105555409A (en) * | 2013-10-21 | 2016-05-04 | 耐驰精细研磨技术有限公司 | Device and method for starting an agitator ball mill |
| CN107667236A (en) * | 2015-03-17 | 2018-02-06 | 梅西安-杜兰德齿轮公司 | Gear reduction unit and corresponding grinding machine and purposes for agitator mill |
| CN114653437A (en) * | 2022-02-28 | 2022-06-24 | 寿县中能新材料科技有限公司 | Double-layer ball-milling equipment for processing high-purity quartz sand |
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| CN107667236A (en) * | 2015-03-17 | 2018-02-06 | 梅西安-杜兰德齿轮公司 | Gear reduction unit and corresponding grinding machine and purposes for agitator mill |
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| EP3271618B1 (en) | 2015-03-17 | 2020-03-04 | Compagnie Engrenages et Reducteurs-Messian-Durand | Reduction gear for a stirred mill, and corresponding mill and use |
| CN107667236B (en) * | 2015-03-17 | 2021-07-13 | 梅西安-杜兰德齿轮公司 | Gear reducer for a mixer mill, corresponding mill and use |
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| EP3271618B2 (en) † | 2015-03-17 | 2024-01-17 | Compagnie Engrenages et Reducteurs-Messian-Durand | Reduction gear for a stirred mill, and corresponding mill and use |
| CN114653437A (en) * | 2022-02-28 | 2022-06-24 | 寿县中能新材料科技有限公司 | Double-layer ball-milling equipment for processing high-purity quartz sand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102728440B (en) | 2014-04-16 |
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Denomination of invention: Efficient upright ball mill Effective date of registration: 20150331 Granted publication date: 20140416 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: M-E HEAVY INDUSTRY Co.,Ltd. Registration number: 2015990000244 |
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