CN103056019A - Multistage micro powder sorting method and micro powder sorting device for implementing method - Google Patents
Multistage micro powder sorting method and micro powder sorting device for implementing method Download PDFInfo
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- CN103056019A CN103056019A CN2012105429141A CN201210542914A CN103056019A CN 103056019 A CN103056019 A CN 103056019A CN 2012105429141 A CN2012105429141 A CN 2012105429141A CN 201210542914 A CN201210542914 A CN 201210542914A CN 103056019 A CN103056019 A CN 103056019A
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Abstract
The invention discloses a multistage micro powder sorting method and a micro powder sorting device for implementing the method. The multistage micro powder sorting device comprises a sedimentation container, a stirrer and at least two fine powder layer liquid extracting devices, the stirrer is used for stirring fine powder liquids filled in the sedimentation container, the fine powder layer liquid extracting devices correspond to corresponding grades of fine powder layer liquids, each fine powder layer liquid extracting device comprises a material extracting pump and a material storing box, the material extracting pumps are used for extracting fine powder layer liquids in the sedimentation container, the material storing boxes are communicated with the material extracting pumps, and discharging ports of the material storing boxes are used for being communicated with corresponding sedimentation separating devices. By means of the method and the device, the period from multistage sorting to finally obtained micro powders of each grade is greatly shortened compared with that of existing methods from coarse sorting to fine sorting in the complete process from fine sorting to coarse sorting of the micro powders, the production efficiency is substantially improved, the method and the device are particularly suitable for volume production of the micro powders, and simultaneously the continuous operation of the entire production process is facilitated.
Description
Technical field
The present invention relates to the micro mist sorting unit of a kind of multistage micro mist method for separating and enforcement the method, be specially adapted to the super hard abrasive micro mists such as sorting CBN, diamond.
Background technology
The super hard abrasives such as diadust, CBN micro mist (cubic boron nitride micro mist), because occupation mode and purposes is different, micro mist is still needing further sorting through after the fragmentation.The principle of micro mist method for separating is: in same medium, and square being directly proportional of the sinking speed of material and the diameter of material; The diameter that is material is larger, and sinking speed is faster.Using the micro mist method for separating in the prior art generally is that the feed liquid that contains the micro mist of different-grain diameter is carried out sedimentation, after sedimentation a period of time, the material of lower floor is the micro mist of required particle diameter, then take out the feed liquid on upper strata and again carry out sedimentation, the differential particle of different-grain diameter scope all can be separated with the method.But, this micro mist method for separating can only make that micro powder granule is from coarse to fine to carry out classification, the larger shared sorting time of grain size of micropowder is shorter, otherwise, the less shared sorting time of grain size of micropowder is longer, existing method for separating from coarse to fine only just can be finished whole assorting room and carry out next assorting room after the micro mist of minimum grain size scope is separated, in the process of a complete sorting from coarse to fine, its distinguishing period is adding up by each rank particle diameter micro mist sorting time, cycle is long, therefore existing method for separating from coarse to fine is unfavorable for producing continuously and enhancing productivity, and is unsuitable mutually for the batch production micro mist.
Summary of the invention
The object of the present invention is to provide a kind of multistage micro mist method for separating of from fine to coarse sorting micro mist.Simultaneously, the present invention also provides a kind of multistage micro mist sorting unit of implementing the method.
For achieving the above object, multistage micro mist sorting unit of the present invention adopts following technical scheme: multistage micro mist sorting unit, it comprises sedimentation container and agitator and at least two fine-powder bed feed liquid draw-out devices corresponding with appropriate level fine-powder bed feed liquid of being used for the micro mist feed liquid that is injected into the sedimentation container is stirred, described fine-powder bed feed liquid draw-out device comprises that for the mateiral pump that extracts sedimentation container fine-powder bed feed liquid and the material storing box that is communicated with mateiral pump, the discharge gate of described material storing box is used for being communicated with corresponding settling separation device.
Be provided with the turning barrel for temporary fine-powder bed feed liquid between described mateiral pump and the material storing box.
Described multistage micro mist sorting unit comprises that also the direction of transfer along conveyer on the conveyer is provided with the extraction station corresponding with respective fine bisque feed liquid draw-out device from fine to coarse successively for the conveyer that transmits the sedimentation container.
Multistage micro mist method for separating of the present invention comprises the step of following order:
(1) feed liquid that contains multistage micro mist of sorting is treated in a, stirring;
B, standing sedimentation, the feed liquid after the sedimentation are divided into fine-powder bed and meal layer;
C, extraction fine-powder bed feed liquid obtain corresponding other micro mist of fine powder level by sedimentation separation;
(2) repeating step (1), the standing sedimentation time of step when at every turn repeating (1) b is shorter than the standing sedimentation time of last step (1) b, and is final until classification is finished, and successively obtains particle diameter micro mist from fine to coarse.
The present invention is according to square principle that is directly proportional of the diameter of the sinking speed of material and material, thicker micro powder granule at first is deposited to the bottom of sedimentation container, thinner micro powder granule rests on the top of sedimentation container, behind the sedimentation certain hour, mateiral pump pumps fine-powder bed feed liquid in the sedimentation container to material storing box, residue feed liquid in the sedimentation container stirs through adding water, again extract the fine-powder bed feed liquid by next fine-powder bed feed liquid draw-out device after the precipitation and deliver to corresponding material storing box, by that analogy, through repeatedly sedimentation, take out the micro mist that material can sub-elect a plurality of rank particle diameters from fine to coarse successively.This method for separating can make the micro mist of thin one-level at first separate, carry out in the process of next time sedimentation sorting in the residue feed liquid, can be simultaneously the thinnest one-level micro mist be carried out separation process with water in the settling separation device of correspondence, thinner micro mist and moisture are longer from the shared time, and the time of the required sedimentation sorting of thicker micro mist is shorter, two processes are carried out simultaneously, saved a large amount of time, therefore, in the process of a complete from fine to coarse sorting, it is compared with existing method for separating from coarse to fine from multipass sort to the cycle that finally obtains each rank micro mist greatly and shortens, production efficiency is increased substantially, be particularly suitable for producing in batches micro mist, simultaneously, also be conducive to make whole production process to be carried out continuously.
Further, middle turning barrel can be used for the temporary fine-powder bed feed liquid that extracts.
Further, conveyer can be sent to the sedimentation container on the corresponding extraction station successively, can save the labour, is conducive to automated production.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of the multistage micro mist sorting unit of the present invention.
The specific embodiment
As shown in Figure 1, a kind of embodiment of multistage micro mist sorting unit of the present invention comprises sedimentation container 1, be used for transmitting the conveyer 4 of sedimentation container 1, be used for to be injected into agitator 6 and four fine-powder bed feed liquid draw-out devices that are used for extracting corresponding level fine-powder bed feed liquid that the micro mist feed liquid of sedimentation container 1 stirs, described fine-powder bed feed liquid draw-out device comprises for the mateiral pump 3 that extracts sedimentation container fine-powder bed feed liquid and the material storing box 5 that is communicated with mateiral pump 3, the discharge gate of described material storing box 5 is used for being communicated with corresponding settling separation device 7, is provided with the turning barrel 2 for temporary fine-powder bed feed liquid between mateiral pump 3 and material storing box 5.Direction of transfer along conveyer on the conveyer 4 is provided with the extraction station corresponding with respective fine bisque feed liquid draw-out device from fine to coarse successively.
Among the present invention, conveyer can adopt the conveying device of conventional suitable conveying sedimentation container.
In other embodiment of the multistage micro mist sorting unit of the present invention, the progression that fine-powder bed feed liquid draw-out device sub-elects micro mist is according to actual needs determined the quantity of fine-powder bed feed liquid draw-out device, simultaneously the gradient that the sedimentation time shortens gradually can be set according to the particle size range in each progression.
In other embodiment of the multistage micro mist sorting unit of the present invention, between mateiral pump and the material storing box middle turning barrel can be set, this moment, mateiral pump directly was communicated with material storing box.
In other embodiment of the multistage micro mist sorting unit of the present invention, can not transmit the sedimentation container by conveyer, also can be manually with the sedimentation container handling to taking out accordingly the material station, perhaps add travelling car or road wheel directly be installed by manually the sedimentation container being pushed into the corresponding material station of taking out at the sedimentation container.
A kind of embodiment step of multistage micro mist method for separating of the present invention is as follows:
(1) a, in the sedimentation container, use agitator will treat that the feed liquid that contains multistage micro mist of sorting stirs;
B, feed liquid standing sedimentation in the sedimentation container, the feed liquid after the sedimentation is divided into fine-powder bed and meal layer;
C, use mateiral pump extract the fine-powder bed feed liquid to material storing box, and the feed liquid in the material storing box obtains corresponding other micro mist of fine powder level after passing into the settling separation device sedimentation;
(2) repeating step is (1) three time, and the standing sedimentation time of step when at every turn repeating (1) b is shorter than the standing sedimentation time of last step (1) b, and is final until classification is finished, and successively obtains from fine to coarse four other micro mists of level of particle diameter.
The time of the standing sedimentation of step (1) b is to determine that according to the size of required grain size of micropowder this is that those skilled in the art do not need creative work namely attainable; In addition, each thickness that will extract the fine-powder bed feed liquid also is that those skilled in the art do not need creative work namely attainable.
In other embodiment of the multistage micro mist method for separating of the present invention, the progression that can select as required micro mist comes the number of times of determining step (1) repetition, can the gradient that the sedimentation time shortens gradually be set according to the particle diameter rank in each progression simultaneously.
Claims (4)
1. multistage micro mist sorting unit, it is characterized in that: it comprises sedimentation container and agitator and at least two fine-powder bed feed liquid draw-out devices corresponding with appropriate level fine-powder bed feed liquid of being used for the micro mist feed liquid that is injected into the sedimentation container is stirred, described fine-powder bed feed liquid draw-out device comprises that for the mateiral pump that extracts sedimentation container fine-powder bed feed liquid and the material storing box that is communicated with mateiral pump, the discharge gate of described material storing box is used for being communicated with corresponding settling separation device.
2. multistage micro mist sorting unit according to claim 1 is characterized in that: be provided with the turning barrel for temporary fine-powder bed feed liquid between described mateiral pump and the material storing box.
3. multistage micro mist sorting unit according to claim 1 and 2, it is characterized in that: described multistage micro mist sorting unit comprises that also the direction of transfer along conveyer on the conveyer is provided with the extraction station corresponding with respective fine bisque feed liquid draw-out device from fine to coarse successively for the conveyer that transmits the sedimentation container.
4. multistage micro mist method for separating is characterized in that: the step that comprises following order:
(1) feed liquid that contains multistage micro mist of sorting is treated in a, stirring;
B, standing sedimentation, the feed liquid after the sedimentation are divided into fine-powder bed and meal layer;
C, extraction fine-powder bed feed liquid obtain corresponding other micro mist of fine powder level by sedimentation separation;
(2) repeating step (1), the standing sedimentation time of step when at every turn repeating (1) b is shorter than the standing sedimentation time of last step (1) b, and is final until classification is finished, and successively obtains particle diameter micro mist from fine to coarse.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586123A (en) * | 2013-11-12 | 2014-02-19 | 成都青洋电子材料有限公司 | Carborundum sorting method and sorting system |
| CN108373904A (en) * | 2018-01-08 | 2018-08-07 | 上海大学 | The preparation method and applications of soft crisp wafer grinding polishing abrasive material |
| CN108706589A (en) * | 2018-08-17 | 2018-10-26 | 郑州川豫新材料科技有限公司 | A kind of production technology of boron carbide micro powder |
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| JPH09192532A (en) * | 1996-01-16 | 1997-07-29 | Daido Steel Co Ltd | Powder classifying apparatus |
| CN101475172A (en) * | 2008-01-03 | 2009-07-08 | 江源碳化硅微粉有限责任公司 | Recycling, purifying and classifying technology for high purity superfine silicon carbide micro powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586123A (en) * | 2013-11-12 | 2014-02-19 | 成都青洋电子材料有限公司 | Carborundum sorting method and sorting system |
| CN108373904A (en) * | 2018-01-08 | 2018-08-07 | 上海大学 | The preparation method and applications of soft crisp wafer grinding polishing abrasive material |
| CN108706589A (en) * | 2018-08-17 | 2018-10-26 | 郑州川豫新材料科技有限公司 | A kind of production technology of boron carbide micro powder |
| CN108706589B (en) * | 2018-08-17 | 2023-10-20 | 郑州瑞意森新材料科技有限公司 | Production process of boron carbide micropowder |
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Address after: 450001 Zhengzhou high tech Industrial Development Zone, Henan, Holly Street, No. 16 Applicant after: Rich Nike superhard material limited company Address before: 450001 Zhengzhou high tech Industrial Development Zone, Henan, Holly Street, No. 16 Applicant before: Henan Funik Ultrahard Material Co., Ltd. |
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