CN106345577A - Smart online-discharging dry ball mill - Google Patents
Smart online-discharging dry ball mill Download PDFInfo
- Publication number
- CN106345577A CN106345577A CN201610838257.3A CN201610838257A CN106345577A CN 106345577 A CN106345577 A CN 106345577A CN 201610838257 A CN201610838257 A CN 201610838257A CN 106345577 A CN106345577 A CN 106345577A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- discharging
- grinding drum
- dry ball
- grinding
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/166—Mills in which a fixed container houses stirring means tumbling the charge of the annular gap type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
- B02C17/1875—Adding fluid, other than for crushing by fluid energy passing gas through crushing zone
- B02C17/1885—Adding fluid, other than for crushing by fluid energy passing gas through crushing zone the applied gas acting to effect material separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
Abstract
The invention relates to dry ball mills, in particular to a smart online-discharging dry ball mill which comprises a grinding barrel filled with a grinding medium. One end of the grinding barrel is provided with a feed inlet and the other end of the grinding barrel is connected with a hollow rotation shaft which drives the grinding medium to move. The internal cavity of the rotation shaft is communicated with the inner cavity of the grinding barrel. A material is sent to the internal cavity of the grinding barrel from the feed inlet and is ground by the moving grinding medium, and the light part of the material flows out of the rotation shaft in a rotating state under action of a vacuum device. Under action of the vacuum device, the material sent into the grinding barrel is ground by the grinding medium, and the light part of the material is sent to the hollow rotation shaft while the heavy part of the material is ground continuously; thus, online discharging is achieved. Besides, discharging of products with specific grain size is achieved by regulating suction force of the vacuum device.
Description
Technical field
The present invention relates to dry type ball milling material technology, such as discharging, classification and super-refinement deep processing of powder material etc.,
A kind of specifically online discharging dry ball.
Background technology
At present, at home and abroad in the production process of powder product, it is interrupted production, due to technique for producing raw material, control mostly
The factors such as system processed are it tends to be difficult to ensure there is equal quality with a collection of product.The fluctuation of product leads to the finger of portioned product
Mark, beyond the quality standard of country, industry or enterprise, leads to product quality to decline.The since the advent of the world such as ball mill, pulverizer by
In excellent performance, material super-refinement and classification field win the good reputation of scientific research person, corporate boss, with new forms of energy, green wood
Material industry is a dark horse, the rapidly increasing of the demand to above-mentioned machine for the market, and the requirement of its performance and quality is also increasingly tight
There are tightened up requirement in the developed countries such as lattice, particularly America and Europe.Traditional wet stirring ball mill is widely applied to work
Industry field, the grinding for suspension and dispersion, it can pass through the direct feeding of product pump；And for existing dry method ball mill,
Or its feeding manner is fed naturally using gravity, or using negative pressure charging, when grinding one section by abrasive media after charging
Between, then shut down discharging, this kind of mode cannot realize online discharging, low production efficiency.
Content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of can improve production efficiency intelligentized control method
Online discharging dry mix ball mill.
The technical scheme that present invention solution above-mentioned technical problem is adopted is: a kind of online discharging dry mix ball mill,
Including in be provided with the hollow grinding drum of abrasive media, also include driving the rotating shaft of abrasive media motion, described grinding drum one end sets
There is charging aperture, the other end is provided with discharging opening, material is delivered to grinding barrel cavity from described charging aperture, then the grinding medium through motion
After matter is ground, material discharging opening outflow in the presence of negative pressure device of lighter weight.
Preferably, described rotating shaft be arranged on the other end described in grinding drum hollow rotating shaft, from discharging opening flow out
Material flows out from this rotating shaft inner chamber, thus dynamic shaft discharging can be formed, will not cause the blocking of discharging.
Preferably, described rotating shaft drives grinding drum rotation, grinding drum drives abrasive media motion, makes abrasive media relatively
Motion is clashed into material, thus producing the effect of grinding.
Preferably, being provided with rotor in described grinding drum, this rotor drives rotation, described abrasive media by described rotating shaft
Motion being driven by this rotor, thus increasing the movement locus of abrasive media, producing the centrifugal force of more increasing, thus reaching preferably
Grinding effect.In about 400 kw/m3In the case of, the grinding of the intelligent online discharging dry ball of morph dhm is strangled by group
The grinding energy in chamber is higher than a lot of times of traditional ball mill.And footprint area is little, the design of its simple rigid enables to grind
Mill pearl and the quick-replaceable of grinding material, maintenance and service are also more convenient.
Preferably, described rotating shaft drives grinding drum rotation, grinding drum drives abrasive media motion.
Preferably, being provided with rotor in described grinding drum, this rotor drives rotation, described abrasive media by described rotating shaft
Motion is driven by this rotor.
Preferably, described rotor is sleeve rotor, rotor is offered several through holes being connected with rotor internal cavity, described
Rotating shaft inner chamber is connected with this rotor internal cavity.
Preferably, described rotating shaft is tightly connected with a discharging axle, rotating shaft inner chamber and this discharging axle inner space, this discharging
Described negative pressure device is provided with axle.
Preferably, described grinding drum includes outer barrel, in this outer barrel, it is installed with interior bucket, in interior bucket, be provided with described grinding
Medium.
Preferably, described interior bucket is made up of special materials such as zirconium oxide, aluminium oxide, steel alloy or pu polyurethanes.
Preferably, described rotating shaft is stretched in grinding drum and is rotated by the motor being arranged on one end described in grinding drum,
Several abrasive disks driving abrasive media motion are provided with this rotating shaft；During rotating shaft is provided with positioned at described discharging opening side
Empty dynamic centrifugal grading wheel, this grading wheel inner chamber is connected with discharging opening, and described discharging opening is connected with taper discharge bucket, this discharging
Bucket is connected with discharge nozzle, is provided with and can introduce gas from grinding drum in grinding drum or/and discharge bucket outside described discharge nozzle
Interior air-vent.
Preferably, described discharge nozzle side is obliquely installed upwards.
As can be known from the above technical solutions, the present invention using negative pressure device by the ground medium of the material being delivered in grinding drum
After grinding, then in the presence of negative pressure device, the material of lighter weight is delivered in hollow rotating shaft, and the material of heavier mass
Continue to participate in grinding, realize online discharging；The present invention also can reach output and specify by adjusting the size of negative pressure device captivation
The purpose of size product.Different from traditional ball mill, group strangles the intelligent online discharging dry ball of morph dhm and makes
With very little abrasive media, so having higher severity of grind.In this case, relatively thick material can use mental retardation
Amount input, also can carry out superfine grinding.The online grader of inline classifier high-performance as strangled with group is combined
Get up, the mineral filler less than d50:1 m is also enable.
Brief description
Fig. 1 is a kind of structural representation of optimal way of the present invention.
Fig. 2 is the structural representation of present invention another kind optimal way.
Fig. 3 is the structural representation of the third optimal way of the present invention.
Specific embodiment
The present invention be discussed in detail below in conjunction with the accompanying drawings:
A kind of online discharging dry mix ball mill, including in be provided with the hollow grinding drum 62 of abrasive media 61, also include carrying
The rotating shaft 64 of dynamic abrasive media motion, this grinding drum one end opens up charging aperture 63, and the other end is provided with discharging opening 611, material from
Described charging aperture is delivered to grinding barrel cavity, then the abrasive media collision through motion, grind after, the material of lighter weight is negative
Flow out from discharging opening in the presence of pressure device, and the material of heavier mass then continues to stay and is ground in grinding drum, thus real
The purpose of line discharging now.The negative pressure device of the present invention can adopt air exhauster etc., and it can save in direct for air suction grinding drum
About cost；In implementation process, air filter can be set in air inlet, it is to avoid the quality of the impurity effect material of in the air.
The rotating shaft of the present invention be arranged on the other end described in grinding drum hollow rotating shaft, in this rotating shaft inner chamber and grinding drum
Chamber connects, and the material flowing out from discharging opening flows out from this rotating shaft inner chamber, thus dynamic shaft discharging can be formed, will not cause discharging
Blocking.Specifically:
As Fig. 1, as a kind of optimal way, described rotating shaft 64 drives grinding drum 62 to rotate, and grinding drum drives abrasive media motion；
This mode can make material and abrasive media be sufficiently mixed, collide, and grinding effect is good.
As Fig. 2, as another kind of optimal way, it is provided with rotor 65 in described grinding drum 62, this rotor is by described rotating shaft
64 drive rotation, and described abrasive media drives motion by this rotor；Which can avoid grinding drum to rotate, and only needs less driving
Power drives rotor, and energy consumption is relatively low.
Specifically, described rotor 65 is sleeve rotor, and rotor is offered several through holes 66 being connected with rotor internal cavity, institute
State rotating shaft inner chamber to connect with this rotor internal cavity, the design one side of sleeve rotor and through hole can mitigate weight, on the other hand can make
A part of abrasive media and material are moved in circles discrepancy rotor internal cavity by through hole, and material and abrasive media are sufficiently mixed, grind,
Improve grinding effect；In the present invention, the rotation of sleeve rotor can stir the abrasive media motion being in contact with it, thus mixing with material
Close, collide, realize the purpose of refinement material；Therefore, in the presence of negative pressure device, the material of lighter weight passes through through hole to enter
Rotor internal cavity, then flows out from rotating shaft inner chamber.
In the present invention, described rotating shaft 64 is tightly connected with a discharging axle 67, prevents material from leaking, rotating shaft inner chamber and this discharging
Axle inner space, this discharging axle is provided with described negative pressure device, makes the material of rotating shaft inner chamber from discharging in the presence of negative pressure
Axle flows out.Meanwhile, different-grain diameter can be obtained by adjusting the vacuum magnitude of negative pressure device, the such as suction force size of air exhauster
The product of size；Therefore, in implementation process, certain vacuum magnitude can be set according to the requirement of client or processing request, can
Obtain the product specifying size.
The grinding drum 62 of the present invention includes outer barrel 68, is installed with interior bucket 69 in this outer barrel, be provided with interior bucket described in grind
Grinding media；Because interior bucket is contacted with abrasive media, collides, therefore, be conducive to carrying out after the abrasion of interior bucket keeping in repair using twin-tub structure,
Change, cost-effective.In implementation process, described interior bucket is made up of special materials such as zirconium oxide, aluminium oxide, steel alloy or pu,
The wearability of bucket in raising.Described rotating shaft 64 drives rotation by motor 60 by reducing gear 610, is conducive to the rotating speed of countershaft
It is controlled.And interior bucket may be designed to trapezoidal shape, drive abrasive media to fall after moving to interior bucket peak, improve impact force.
In implementation process, described grinding staving also carries weighing device, thus the accurate online charging rate of Based Intelligent Control in real time.
As Fig. 3, as the third optimal way, rotating shaft is stretched in grinding drum and by the electricity being arranged on one end described in grinding drum
Machine 60 is rotated, and this rotating shaft is provided with several abrasive disks 612 driving abrasive media motion；In rotating shaft be located at described go out
Material mouth side is provided with the dynamic centrifugal grading wheel 613 of hollow, and this grading wheel inner chamber is connected with discharging opening, described discharging opening
It is connected with taper discharge bucket 614, this discharge bucket is connected with discharge nozzle 615；Material in grinding drum and abrasive media are made in negative pressure
With lower to discharging opening one side shifting, when at moving to grading wheel, in the presence of the grading wheel of rotation, material enters grading wheel
Inner chamber, and abrasive media is then blocked in outside grading wheel, the material entering grading wheel inner chamber is then gone out by discharging opening entrance taper
Hopper, then flows out from discharge nozzle, thus accelerating discharging.
In implementation process, outside described discharge nozzle, it is provided with the air inducing that gas can be introduced from grinding drum in grinding drum
Mouth 616, in the presence of negative pressure, after the gas of air-vent enters grinding drum, enters taper discharging together with the material of discharging opening
Bucket, the smaller diameter end due to taper discharge bucket is located at discharging direction side, thus forming vortex in taper discharge bucket, prevents thing
Material blocking, further speeds up discharging；Alternatively mode, air-vent also can directly introduce a gas in discharge bucket, also may be used
Wind is introduced in grinding drum and in discharge bucket simultaneously.When wind introduces discharge bucket, wind is preferably made to introduce along bucket wall tangential direction, this
Sample can make material form higher vortex in discharge bucket.In implementation process, side is obliquely installed described discharge nozzle upwards, so
In start or shutdown, because classification wheel speed is less, even if some abrasive media enters grading wheel inner chamber and material one
And flowing in taper discharge bucket, abrasive media also will not flow out expects pipe, because taper discharge bucket has inclined slope upwards in itself
Degree, discharge nozzle is inclined upwardly in addition, and abrasive media can return in grinding drum under its action of gravity, thus avoiding abrasive media
Flow out.
Above-mentioned embodiment is used for illustrative purposes only, and is not limitation of the present invention, relevant technical field
Those of ordinary skill, without departing from the spirit and scope of the present invention, acceptable various changes can be made and modification, therefore institute
There is equivalent technical scheme also should belong to scope of the invention.
Claims (10)
1. a kind of intelligent online discharging dry ball, including in be provided with abrasive media hollow grinding drum it is characterised in that:
Also include driving the rotating shaft of abrasive media motion, described grinding drum one end is provided with charging aperture, and the other end is provided with discharging opening, material from
Described charging aperture is delivered to grinding barrel cavity, and after then the abrasive media through motion grinds, the material of lighter weight fills in negative pressure
In the presence of putting, discharging opening flows out.
2. according to claim 1 online discharging dry ball it is characterised in that: described rotating shaft is for being arranged on grinding drum institute
State the other end hollow rotating shaft, from discharging opening flow out material from this rotating shaft inner chamber flow out.
3. according to claim 2 online discharging dry ball it is characterised in that: described rotating shaft drives grinding drum rotation,
Grinding drum drives abrasive media motion.
4. according to claim 2 online discharging dry ball it is characterised in that: be provided with rotor in described grinding drum,
This rotor drives rotation by described rotating shaft, and described abrasive media drives motion by this rotor.
5. according to claim 4 online discharging dry ball it is characterised in that: described rotor is sleeve rotor, rotor
On offer several through holes connecting with rotor internal cavity, described rotating shaft inner chamber is connected with this rotor internal cavity.
6. according to any one in claim 1 to 5 online discharging dry ball it is characterised in that: described rotating shaft with
One discharging axle is tightly connected, rotating shaft inner chamber and this discharging axle inner space, and this discharging axle is provided with described negative pressure device.
7. according to any one in claim 1 to 5 online discharging dry ball it is characterised in that: described grinding drum
Including outer barrel, in this outer barrel, it is installed with interior bucket, in interior bucket, be provided with described abrasive media.
8. according to claim 7 online discharging dry ball it is characterised in that: described interior bucket by zirconium oxide, aluminium oxide,
The special material such as steel alloy or pu polyurethane is made.
9. according to claim 1 online discharging dry ball it is characterised in that: described rotating shaft stretch in grinding drum and by
The motor being arranged on one end described in grinding drum is rotated, and this rotating shaft is provided with several grindings driving abrasive media motion
Disk；Dynamic centrifugal grading wheel, this grading wheel inner chamber and the discharging opening of hollow are provided with positioned at described discharging opening side on rotating shaft
Connection, described discharging opening is connected with taper discharge bucket, and this discharge bucket is connected with discharge nozzle, and being provided with outside described discharge nozzle can be by
Gas introduces the air-vent in grinding drum or/and in discharge bucket from grinding drum.
10. according to claim 9 online discharging dry ball it is characterised in that: described discharge nozzle rolls upwards and tiltedly sets
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838257.3A CN106345577A (en) | 2016-09-20 | 2016-09-20 | Smart online-discharging dry ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838257.3A CN106345577A (en) | 2016-09-20 | 2016-09-20 | Smart online-discharging dry ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106345577A true CN106345577A (en) | 2017-01-25 |
Family
ID=57858248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610838257.3A Pending CN106345577A (en) | 2016-09-20 | 2016-09-20 | Smart online-discharging dry ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106345577A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278955A (en) * | 2019-07-26 | 2019-09-27 | 河北省农林科学院谷子研究所 | A kind of Xia Guqu special-purpose multifunctional floating type seed coat agent and preparation method thereof |
| CN114732061A (en) * | 2022-04-07 | 2022-07-12 | 南昌大学 | Matcha preparation device and method |
| CN114932003A (en) * | 2022-05-18 | 2022-08-23 | 北京干雾科技有限公司 | Ball mill for sorting pebble coal |
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| CN200948434Y (en) * | 2006-09-12 | 2007-09-19 | 段志禹 | Grinder |
| CN201329298Y (en) * | 2008-09-09 | 2009-10-21 | 耐驰(上海)机械仪器有限公司 | Stir grinder |
| CN101757966A (en) * | 2010-01-11 | 2010-06-30 | 雷立猛 | Nanoscale high-flow pin-type sand mill |
| CN101920219A (en) * | 2009-09-10 | 2010-12-22 | 孙世林 | Powder selection device in mill of dry method ball mill |
| CN202290195U (en) * | 2011-07-21 | 2012-07-04 | 合肥科德电力表面技术有限公司 | Ball mill mixing device |
| CN104815726A (en) * | 2013-12-20 | 2015-08-05 | 耐驰干法研磨技术有限公司 | Grinding ball mill and operating method thereof |
| CN204638288U (en) * | 2015-03-03 | 2015-09-16 | 德国派勒精研磨技术有限公司 | Horizontal sand mill |
| CN104959196A (en) * | 2015-06-29 | 2015-10-07 | 广州派勒机械设备有限公司 | Super sand mill with double-separation system |
| CN206454739U (en) * | 2016-09-20 | 2017-09-01 | 派勒（天津）纳米技术有限公司 | A kind of intelligent online discharging dry ball |
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2016
- 2016-09-20 CN CN201610838257.3A patent/CN106345577A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251356A (en) * | 1978-02-06 | 1981-02-17 | Hauni-Werke Korber & Co., Kg | Apparatus for classifying the constituents of a pneumatically conveyed tobacco-containing stream |
| CN1119557A (en) * | 1994-09-09 | 1996-04-03 | Evv财产管理有限公司 | Stirring mill |
| CN200948434Y (en) * | 2006-09-12 | 2007-09-19 | 段志禹 | Grinder |
| CN201329298Y (en) * | 2008-09-09 | 2009-10-21 | 耐驰(上海)机械仪器有限公司 | Stir grinder |
| CN101920219A (en) * | 2009-09-10 | 2010-12-22 | 孙世林 | Powder selection device in mill of dry method ball mill |
| CN101757966A (en) * | 2010-01-11 | 2010-06-30 | 雷立猛 | Nanoscale high-flow pin-type sand mill |
| CN202290195U (en) * | 2011-07-21 | 2012-07-04 | 合肥科德电力表面技术有限公司 | Ball mill mixing device |
| CN104815726A (en) * | 2013-12-20 | 2015-08-05 | 耐驰干法研磨技术有限公司 | Grinding ball mill and operating method thereof |
| CN204638288U (en) * | 2015-03-03 | 2015-09-16 | 德国派勒精研磨技术有限公司 | Horizontal sand mill |
| CN104959196A (en) * | 2015-06-29 | 2015-10-07 | 广州派勒机械设备有限公司 | Super sand mill with double-separation system |
| CN206454739U (en) * | 2016-09-20 | 2017-09-01 | 派勒（天津）纳米技术有限公司 | A kind of intelligent online discharging dry ball |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278955A (en) * | 2019-07-26 | 2019-09-27 | 河北省农林科学院谷子研究所 | A kind of Xia Guqu special-purpose multifunctional floating type seed coat agent and preparation method thereof |
| CN114732061A (en) * | 2022-04-07 | 2022-07-12 | 南昌大学 | Matcha preparation device and method |
| CN114932003A (en) * | 2022-05-18 | 2022-08-23 | 北京干雾科技有限公司 | Ball mill for sorting pebble coal |
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Application publication date: 20170125 |