CN111215199A - Centrifugal separation device for ball mill - Google Patents
Centrifugal separation device for ball mill Download PDFInfo
- Publication number
- CN111215199A CN111215199A CN202010188756.9A CN202010188756A CN111215199A CN 111215199 A CN111215199 A CN 111215199A CN 202010188756 A CN202010188756 A CN 202010188756A CN 111215199 A CN111215199 A CN 111215199A
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- China
- Prior art keywords
- separation
- inner cylinder
- hole
- outer sleeve
- separating
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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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Classifications
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- 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
- B02C17/10—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 with one or a few disintegrating members arranged in the container
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
Abstract
The invention is suitable for the technical field of ball milling and crushing. The invention discloses a ball mill centrifugal separation device, which comprises a separation inner cylinder and a separation outer sleeve sleeved outside the separation inner cylinder, wherein the separation inner cylinder is provided with an inner cylinder separation hole; the separation outer sleeve is provided with an outer sleeve separation hole for enabling materials to enter the inner cylinder separation hole and a medium conveying mechanism for providing energy for outward movement of grinding media during rotation. When the material separating device is used, the separating device rotates under the driving of the separating driving shaft, the discharging channel is axially arranged on the separating driving shaft and communicated with the inner cylinder separating hole and the outer sleeve separating hole, the medium conveying mechanism accelerates the grinding medium and enables the grinding medium to be far away from the separating outer sleeve, and the ground material with the smaller diameter is distributed near the separating outer sleeve. On one hand, energy is provided for the grinding medium near the separation device, and the grinding efficiency is improved; on the other hand, the grinding medium is prevented from being distributed near the separation device during separation to cause blockage, and the separation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ball milling, in particular to a centrifugal separation device for a ball mill.
Background
The existing wet ball milling crushing equipment adopts a centrifugal separator to separate grinding media from materials, the centrifugal separator generally adopts a separation screen mesh structure to separate, but the separator is easy to form blockage on the surface of the screen mesh during separation, so that the separation efficiency is influenced. Meanwhile, when the grinding media and materials are distributed near the screen during separation, the grinding efficiency is influenced, and the service life of the screen is also influenced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a ball-milling centrifugal separation device which can avoid the blockage caused by the distribution of grinding media and materials near the separation device during separation, improve the separation efficiency, and simultaneously provide energy for the grinding media near the separation device, and improve the grinding efficiency.
In order to solve the problems, the invention provides a ball-milling centrifugal separation device which comprises a separation inner cylinder and a separation outer sleeve sleeved outside the separation inner cylinder, wherein the separation inner cylinder is provided with an inner cylinder separation hole; the separation outer sleeve is provided with an outer sleeve separation hole for enabling materials to enter the inner cylinder separation hole and a medium conveying mechanism for providing energy for outward movement of grinding media during rotation.
Further, the medium conveying mechanism comprises at least one conveying hole or conveying groove arranged on the surface of the separation outer sleeve.
Further, the length direction of the conveying holes or the conveying grooves is consistent with the axial direction of the separation outer sleeve.
Further, the separation inner cylinder comprises a cylindrical inner cylinder body, and an inner cylinder containing cavity which is used for containing the separation rotating shaft and communicated with the inner cylinder separation hole is axially arranged at the center of the inner cylinder body.
Further, when the number of the conveying holes or the conveying grooves is more than two, the jacket separating holes and the conveying holes or the conveying grooves are uniformly distributed on the same circle with the axis of the separating jacket as the center of the circle.
Further, the length of the conveying hole or the conveying groove is the same as that of the jacket separation hole.
Further, the separation inner cylinder comprises a free end and a limiting end, and the limiting end is provided with a first step.
Further, the side wall of the inner cylinder receiving cavity at the free end is provided with a second step matched with the separation driving shaft.
Furthermore, the bottom of the inner cylinder accommodating cavity is provided with a fixing hole for fixing the separation rotating shaft and the separation inner cylinder.
Furthermore, the outer sleeve separation hole and the inner cylinder separation hole are inclined holes or arc-shaped holes.
Furthermore, the inner sides of two axial ends of the separation outer sleeve are provided with an outer sleeve fixing groove matched with the inner cylinder fixing groove on the separation inner cylinder and a fixing pin matched with the inner cylinder fixing groove and the outer sleeve fixing groove after assembly.
The invention discloses a ball mill centrifugal separation device ball, which comprises a ball mill, a grinding device and a ball mill, wherein the ball mill is used for separating grinding media from grinding slurry and comprises a separation inner cylinder and a separation outer sleeve sleeved outside the separation inner cylinder, and the separation inner cylinder is provided with an inner cylinder separation hole; the separation outer sleeve is provided with an outer sleeve separation hole for enabling materials to enter the inner cylinder separation hole and a medium conveying mechanism for providing energy for outward movement of grinding media during rotation. When the material separating device is used, the separating device rotates under the driving of the separating driving shaft, the discharging channel is axially arranged on the separating driving shaft and communicated with the inner cylinder separating hole and the outer sleeve separating hole, the medium conveying mechanism accelerates the grinding medium and enables the grinding medium to be far away from the separating outer sleeve, and the ground material with the smaller diameter is distributed near the separating outer sleeve. On one hand, energy is provided for the grinding medium near the separation device, and the grinding efficiency is improved; on the other hand, the grinding medium is prevented from being distributed near the separation device during separation to cause blockage, the separation channel is short, and the separation efficiency is higher. Meanwhile, the separating device is only provided with an inner cylinder separating hole and an outer sleeve separating hole communicated with the inner cylinder separating hole, and under the action of tension between slurry and the like, when the machine is stopped or started initially, materials are not easy to enter the inner cylinder separating hole, so that grinding media are prevented from appearing in the discharged materials.
Drawings
In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the description only show some embodiments of the invention and therefore should not be considered as limiting the scope, and for a person skilled in the art, other related drawings can also be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a ball-milling centrifugal separation apparatus in a radial sectional view.
FIG. 2 is a schematic structural view of an embodiment of a separation inner barrel.
FIG. 3 is a schematic view of the inner barrel along its axial direction.
3 FIG. 3 4 3 is 3 a 3 sectional 3 view 3 of 3 the 3 inner 3 separation 3 barrel 3 of 3 FIG. 3 3 3 taken 3 along 3 the 3 direction 3 A 3- 3 A 3. 3
FIG. 5 is a schematic cross-sectional view taken along the direction B-B of the belt drive shaft of FIG. 3.
Fig. 6 is a schematic sectional view along the direction E-E in fig. 5.
FIG. 7 is a schematic diagram of the distribution of grinding media and materials during operation of the ball milling centrifuge.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The following claims are presented to illustrate the invention in further detail in conjunction with specific embodiments and the accompanying drawings, it being understood that the described embodiments are only some of the embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that in the description of the present invention, all directional terms such as "upper", "lower", etc., are used herein to indicate orientations or positional relationships, and are used for convenience in describing the present invention or for convenience in describing the conventional arrangement of the present invention, and do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated. For the purpose of explaining the relative positional relationship of the components, the movement, etc., as shown in the drawings, when the specific attitude is changed, the directional indication may be changed accordingly.
Furthermore, the descriptions herein as relating to "first," "second," etc. are merely for distinguishing and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. The technical features of the first and second aspects can be combined with at least one of the technical features in an explicit or implicit manner. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.
As shown in fig. 1-6, the present invention provides an embodiment of a ball mill centrifugal separation device.
In the present invention, the slurry refers to a mixture of grinding media, grinding material and liquid during the development grinding. The grinding media are grinding balls.
The ball-milling centrifugal separation device is used for separating grinding media from grinding slurry and comprises a separation inner cylinder 2 and a separation outer sleeve 1 sleeved outside the separation inner cylinder 2, wherein the separation inner cylinder 2 is provided with an inner cylinder separation hole 24; the separation jacket 1 is provided with a jacket separation hole 11 for enabling materials to enter the inner cylinder separation hole 24 and a medium conveying mechanism for providing energy for outward movement of grinding media during rotation.
In particular, the ball milling centrifugal separation device is used to separate a material ground to a smaller diameter from a separating grinding media from a grinding slurry. That is to say separating the desired material from the separating grinding media and the larger diameter material particles.
The medium conveying mechanism comprises at least one conveying hole 12 arranged on the surface of the separation outer sleeve 1, and the conveying hole 12 can also be arranged as a conveying groove. For convenience of explanation, the conveyance hole 12 is described as an example in this embodiment.
The separation inner cylinder 2 comprises a cylindrical inner cylinder body, and an inner cylinder containing cavity 23 which is used for containing the separation rotating shaft 5 and communicated with the inner cylinder separation hole is axially arranged at the center of the inner cylinder body.
The length direction of the conveying hole 12 is the same as the axial direction of the separating jacket 1 and is the same as the jacket separating hole 11. The outer sleeve separation hole 11 is identical to the inner cylinder separation hole 24. The conveying holes 12 and the outer sleeve separating holes 11 are uniformly distributed on the outer surface of the outer part 2 of the separating inner cylinder, that is, the outer sleeve separating holes 11 and the conveying holes 12 are uniformly distributed on the same circle which takes the axis of the separating outer sleeve 1 as the center of circle.
The separation inner cylinder 2 comprises a free end and a limiting end, and the limiting end is provided with a first step 26 for limiting the separation outer sleeve 1. The side wall of the inner cylinder receiving cavity 23 at the free end is provided with a second step 27 matched with the separation driving shaft 5, and the second step 27 can increase the reliability and stability of fixing the separation driving shaft 5 and the separation inner cylinder 2.
The bottom of the inner cylinder accommodating cavity 23 is provided with a fixing hole 20 for fixing the separation rotating shaft 5 and the separation inner cylinder 2, and a fixing bolt 25 is arranged in the fixing hole 20 for fixing the separation rotating shaft 5 and the separation inner cylinder 2.
When the device is installed, the inner sides of the two axial ends of the separation outer sleeve 1 are provided with an outer sleeve fixing groove matched with the inner cylinder fixing groove 21 on the separation inner cylinder 2 and fixing pins 4 matched with the inner cylinder fixing groove 21 and the outer sleeve fixing groove after assembly. The fixing bolt 25 is fixed to the separation drive shaft 5 through a fixing hole 20 at the bottom of the inner cylinder housing chamber 23.
As shown in fig. 7, when in use, the separation device is driven by the separation driving shaft 5 to rotate along the direction E, the separation driving shaft 5 is axially provided with a discharge passage 51, and the discharge passage 51 is communicated with the inner cylinder separation hole 24 and the outer sleeve separation hole 11, the medium conveying mechanism provides energy for the movement of the grinding medium a, namely, when the grinding medium a and the material are distributed on the surface of the separation device, the conveying hole 12 enables the grinding medium a and the material to move away from the separation outer sleeve 1 along the direction F, and a layer is formed around the surface of the separation outer sleeve 1, namely, the material with a smaller diameter is distributed at a closer distance from the separation outer sleeve 1, and the material with a larger diameter and the grinding medium a are distributed at a farther distance from the separation outer sleeve. And when rotating at a high speed overcoat separation orifice 11, inner tube separation orifice 24 and discharging channel 51 form the negative pressure for the less diameter material can be inhaled in overcoat separation orifice 11, and then discharge through discharging channel 51, and the great material of diameter and grinding medium A then stay in the separation overcoat 1 outside, thereby realize the separation, grinding medium distributes near separator when both can having avoided the separation, the jam that causes, and the separation channel way is short, and separation efficiency is higher. But also can provide grinding energy for the materials with larger diameter and the grinding medium A, thereby improving the grinding efficiency.
The inner cylinder separation hole 24 and the outer sleeve separation hole 11 can be arranged as required, preferably one is arranged, so that only one inner cylinder separation hole 24 and one outer sleeve separation hole 11 communicated with the inner cylinder separation hole 24 are arranged, and under the action of tension between slurry and the like, when the machine is stopped or started initially, materials are not easy to enter the inner cylinder separation hole, and grinding media are prevented from appearing in the discharged materials.
The outer sleeve separation hole 11 and the inner cylinder separation hole 24 are preferably inclined holes or arc-shaped holes as required, so that the outer sleeve separation hole 11 can be ensured to enter tangentially, and the outer sleeve separation hole 11 can also accelerate the materials and the grinding medium A which cannot enter.
When the conveying holes 12 are conveying grooves, the conveying grooves and the conveying holes 12 are identical in structure and distribution. The working principle is the same, and the description is omitted. The medium feeding means may be arranged so that the feeding holes 12 are spaced apart as necessary.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments described above, and such modifications or substitutions may be made without departing from the spirit and scope of the present invention in its aspects.
Claims (10)
1. A centrifugal separation device for a ball mill is characterized by comprising a separation inner barrel and a separation outer sleeve sleeved outside the separation inner barrel, wherein the separation inner barrel is provided with an inner barrel separation hole; the separation outer sleeve is provided with an outer sleeve separation hole for enabling materials to enter the inner cylinder separation hole and a medium conveying mechanism for providing energy for outward movement of grinding media during rotation.
2. The ball-milling centrifugal separation device of claim 1, wherein: the medium conveying mechanism comprises at least one conveying hole or conveying groove arranged on the surface of the separation outer sleeve.
3. The ball-milling centrifugal separation device of claim 2, wherein: the length direction of the conveying hole or the conveying groove is consistent with the axial direction of the separating outer sleeve.
4. The ball-milling centrifugal separation device of claim 1, wherein: the separation inner cylinder comprises a cylindrical inner cylinder body, and an inner cylinder containing cavity which is used for containing the separation rotating shaft and communicated with the inner cylinder separation hole is axially arranged at the center of the inner cylinder body.
5. The ball-milling centrifugal separation device according to claim 2 or 3, characterized in that: when the number of the conveying holes or the conveying grooves is more than two, the outer sleeve separating holes and the conveying holes or the conveying grooves are uniformly distributed on the same circle with the axis of the separating outer sleeve as the circle center.
6. The ball-milling centrifugal separation device of claim 3, wherein: the length of the conveying hole or the conveying groove is the same as that of the jacket separation hole.
7. The ball-milling centrifugal separation device of claim 1, wherein: the separation inner tube comprises a free end and a limiting end, and the limiting end is provided with a first step.
8. The ball-milling centrifugal separation device of claim 7, wherein: and a second step matched with the separation driving shaft is arranged on the side wall of the inner cylinder containing cavity of the free end.
9. The ball-milling centrifugal separation device of claim 4, wherein: the bottom of the inner barrel accommodating cavity is provided with a fixing hole for fixing the separation rotating shaft and the separation inner barrel.
10. The ball-milling centrifugal separation device of claim 1, wherein: the outer sleeve separation hole and the inner cylinder separation hole are inclined holes or arc-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/120499 WO2021184737A1 (en) | 2019-07-26 | 2020-10-12 | Centrifugal separation device for ball milling, and ball milling system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201951 | 2019-07-26 | ||
| CN201921201951X | 2019-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111215199A true CN111215199A (en) | 2020-06-02 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188143.5A Active CN111185282B (en) | 2019-07-26 | 2020-03-17 | Ball milling system |
| CN202010188756.9A Pending CN111215199A (en) | 2019-07-26 | 2020-03-17 | Centrifugal separation device for ball mill |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188143.5A Active CN111185282B (en) | 2019-07-26 | 2020-03-17 | Ball milling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN111185282B (en) |
| WO (1) | WO2021184737A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000144A (en) * | 2021-03-09 | 2021-06-22 | 铜陵瑞莱科技有限公司 | Processing device and processing method for iron oxide red crude product |
| WO2021184737A1 (en) * | 2019-07-26 | 2021-09-23 | 湖北迈兆机械有限公司 | Centrifugal separation device for ball milling, and ball milling system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309626B (en) * | 2022-01-13 | 2023-02-07 | 中南大学 | Powder metallurgy uses high-efficient ball mill |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE389456T1 (en) * | 2003-04-15 | 2008-04-15 | Bachofen Willy A Ag | AGITATOR BALL MILL |
| JP4901353B2 (en) * | 2006-07-26 | 2012-03-21 | アシザワ・ファインテック株式会社 | Media stirring mill |
| DE102007043670A1 (en) * | 2007-09-13 | 2009-04-02 | Netzsch-Feinmahltechnik Gmbh | stirred ball mill |
| CN202162036U (en) * | 2011-05-31 | 2012-03-14 | 陈波 | Grinding and separating device |
| CN103657800B (en) * | 2013-12-19 | 2016-05-11 | 占天义 | Stirring-type grinding system |
| CN203830079U (en) * | 2014-05-13 | 2014-09-17 | 陈波 | Wet-process grinding and dispersing device |
| CN205868517U (en) * | 2016-05-09 | 2017-01-11 | 占天义 | Separator and grinder are ground to stirring formula |
| CN208679338U (en) * | 2018-03-30 | 2019-04-02 | 同济大学 | A kind of centrifugal separating device |
| CN111185282B (en) * | 2019-07-26 | 2023-10-27 | 湖北迈兆机械有限公司 | Ball milling system |
| CN211964406U (en) * | 2020-03-17 | 2020-11-20 | 博亿(深圳)工业科技有限公司 | Ball milling system |
-
2020
- 2020-03-17 CN CN202010188143.5A patent/CN111185282B/en active Active
- 2020-03-17 CN CN202010188756.9A patent/CN111215199A/en active Pending
- 2020-10-12 WO PCT/CN2020/120499 patent/WO2021184737A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021184737A1 (en) * | 2019-07-26 | 2021-09-23 | 湖北迈兆机械有限公司 | Centrifugal separation device for ball milling, and ball milling system |
| CN113000144A (en) * | 2021-03-09 | 2021-06-22 | 铜陵瑞莱科技有限公司 | Processing device and processing method for iron oxide red crude product |
| CN113000144B (en) * | 2021-03-09 | 2023-05-12 | 铜陵瑞莱科技有限公司 | Treatment device and treatment method for iron oxide red crude product |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021184737A1 (en) | 2021-09-23 |
| CN111185282A (en) | 2020-05-22 |
| CN111185282B (en) | 2023-10-27 |
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