CN102615046A - Novel powder selecting machine capable of uniformly scattering material - Google Patents
Novel powder selecting machine capable of uniformly scattering material Download PDFInfo
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- CN102615046A CN102615046A CN2012101043109A CN201210104310A CN102615046A CN 102615046 A CN102615046 A CN 102615046A CN 2012101043109 A CN2012101043109 A CN 2012101043109A CN 201210104310 A CN201210104310 A CN 201210104310A CN 102615046 A CN102615046 A CN 102615046A
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Abstract
The invention discloses a novel powder selecting machine capable of uniformly scattering a material, which comprises a cylindrical shell, a support base used for supporting the shell, a motor, a speed reducer, a coupling device, a rack and a rotating part arranged in the shell, wherein the rotating part comprises a spindle and a rotor, and an annular material scattering plate is fixedly arranged at the top of the rotor; the material scattering plate is provided with two layers, and comprises a top-layer material scattering plate and a bottom-layer material scattering plate, and the top-layer material scattering plate is arranged under a material inlet of the powder selecting machine; and an annular first-stage baffle plate is arranged correspondingly to the outer edge of the top-layer material scattering plate, the bottom-layer material scattering plate, the diameter of which is larger than the diameter of the top-layer material scattering plate, is arranged under the top-layer material scattering plate, an annular second-stage baffle plate is arranged correspondingly to the outer edge of the bottom-layer material scattering plate, the first-stage baffle plate and the second-stage baffle plate are both fixedly connected with the shell, the lower part of the first-stage baffle plate is corresponding to the plate surface of the bottom-layer material scattering plate, and the lower part of the second-stage baffle plate is corresponding to a material grading zone of the powder selecting machine. The powder selecting machine disclosed by the invention can make the material uniformly and loosely enter into the material grading zone, and enhance the grading precision of the material.
Description
Technical field
The present invention relates to the grinding system equipment of industrial enterprise, especially relate to the uniform novel powder concentrator of a kind of spreading.
Background technology
Powder concentrator is the grinding system stock grading equipment of industrial enterprise, and during powder concentrator work, material to be fractionated is introduced from spout; On spreading disk, clashed into, disperseed the back around spreading disk, outwards to fly; Fall into separating chamber again with after the buffer board collision, in separating chamber, meet, under guide vane and rotor acting in conjunction with horizontal eddy current air-flow; Centrifugal force, distinguished and admirable suction force, gravity is jointly to the material effect, thereby realizes classification.
But along with the maximization of milling equipment, there is very big defective in existing powder concentrator in structure, and these defectives are the key factors that influence grinding efficiency.Aspect the spreading problem, the material-strewing device of existing powder concentrator is an annular, and material to be fractionated is added on the annular spreading disk from the top charging aperture, again the rotation through spreading disk make powder produce centrifugal inertial force to around shed.In theory; Material should be shed into 360 degree material curtain uniformly by the powder concentrator spreading disk, but along with the ability of equipment increases the limited amount of powder concentrator charging aperture; The increase of the ring-like width of spreading disk of existing maximization powder concentrator and the increasing of its material handling amount are disproportionate; The disposal ability of unit are increases gradually, even the powder concentrator charging aperture increases to four, material is not still fully shed near charging aperture easily to be opened just to become the bulk landing and go in the classification flow field.Although existing powder concentrator has been done a little improvement to annular spreading disk,, increase to shed the zone as protruding stupefied to change the helical type into protruding stupefied with radial; Rib is set up in the spreading disk outer, postpones material and skids off the time, increases and sheds the zone; But still there is following point in this annular material-strewing device: at first; Occur thicker material curtain around the classification rotating cage and do not have the situation that the material cavity alternately occurs, not only cause the sorting wind speed degree in the vortex field inhomogeneous, inhomogeneous air-flow field causes Cut size along the axial space wave of rotating cage; The turbulent flow pulsation causes the time fluctuation of Cut size; The false bulky grain that Van der Waals force produces causes factor such as fish hook effect that effectiveness of classification is obviously descended, and also influences the follow-up dispersion of powder simultaneously, thereby influences grading effect; Secondly, when blanking did not also rotate with air-flow synchronously, grading was also incomplete, runs slightly easily, and it is not obvious just to occur the Cut size interface easily, and the product after the classification is defective.Especially the material curtain has certain thickness; When spreading is inhomogeneous, let whole powders need certain hour and process with air-flow rotation synchronously, it is little less than rotation or rotary speed coarse granule to occur; The centrifugal force that produces is little; Suction force by wind is taken away, thereby runs slightly, more is prone to run thick in certain stroke of powder when initial whereabouts.
Summary of the invention
In view of this, the object of the present invention is to provide the uniform novel powder concentrator of a kind of spreading, make the material can evenly loose entering graded region, improve the effectiveness of classification of material.
For achieving the above object, the present invention adopts following technical scheme:
The uniform novel powder concentrator of this spreading; Comprise tubular shell, be used for support housing bearing, motor, decelerator, shaft coupling, frame, be arranged at the pivoting part in the housing, described pivoting part comprises rotating shaft, rotor, fixedly installs discoid spreading disk at rotor top; This spreading disk is for bilayer and comprise top layer spreading disk and bottom spreading disk; The top layer spreading disk is arranged on below the powder concentrator charging aperture, and the outer rim of corresponding top layer spreading disk is provided with the first-level buffer plate of ring-type, bottom spreading disk diameter greater than the top layer spreading disk and be positioned at the top layer spreading disk below; The outer rim of corresponding bottom spreading disk is provided with the level 2 buffering plate of ring-type; First-level buffer plate and level 2 buffering plate all are fixedly linked with housing, below the first-level buffer plate corresponding to the card of bottom spreading disk, the stock grading district of corresponding powder concentrator below the level 2 buffering plate.
Further, described charging aperture quantity is two or four, and along the circumferentially even dispersed placement of top layer spreading disk.
Further, the upper surface of top layer spreading disk and bottom spreading disk is provided with radial protruding stupefied.
Further, said radial protruding stupefied be the helical type.
Further, be provided with connecting plate between top layer spreading disk and the bottom spreading disk; Top layer spreading disk and bottom spreading disk are provided with the tubular internal partition near the position of rotating shaft.
The invention has the beneficial effects as follows:
The charging aperture that two or four positioned opposite are arranged above the powder concentrator of the present invention; Material gets into the top layer spreading disk through charging aperture, and the top layer spreading disk material that runs up in the process is thrown to the first-level buffer plate, falls on the bottom spreading disk through clashing into the back material loosening; Through once more material being thrown to the level 2 buffering plate in the bottom spreading disk rotary course; Fall to forming the material curtain along the level 2 buffering plate again, owing to spread material casting through the secondary branch, it is more even that the material branch spreads; Last material evenly loosely gets into graded region; Occur thicker material curtain when avoiding material to get into graded region and do not have the situation that the material cavity alternately occurs, thereby improved the grading effect of material, avoided the thick phenomenon of race in the material stripping process.Radial protruding stupefied structure is set above the spreading disk; And adopt the helical type protruding stupefied, and increase further that material is shed the zone and branch spreads effect, adopt two or four feed openings that are oppositely arranged; Carry out or 4 blankings at 2, also help material is spread along spreading disk even all around the branch.
Other advantages of the present invention, target and characteristic will be set forth in specification subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, take a hint to investigating of hereinafter.Target of the present invention can realize through the structure that is particularly pointed out in following specification and the accompanying drawing and obtain with other advantages.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of spreading disk position among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
In conjunction with illustrated in figures 1 and 2; The uniform novel powder concentrator of the spreading of present embodiment; Comprise tubular shell 5, be used for support housing bearing 6, motor, decelerator, shaft coupling 2, frame 3, be arranged at the pivoting part in the housing, motor drives pivoting part and rotates through decelerator, shaft coupling.Described pivoting part comprises rotating shaft 4, rotor 12; Fixedly install circular spreading disk at the top of rotor 12; This spreading disk is for bilayer and comprise top layer spreading disk 7 and bottom spreading disk 9; Top layer spreading disk 7 be arranged on powder concentrator charging aperture 1 below, the outer rim of corresponding top layer spreading disk 7 is provided with the first-level buffer plate 10 of ring-type, bottom spreading disk 9 diameters greater than top layer spreading disk 7 and be positioned at top layer spreading disk 7 below; The outer rim of corresponding bottom spreading disk 9 is provided with the level 2 buffering plate 11 of ring-type; First-level buffer plate 10 all is fixedly linked with housing 5 with level 2 buffering plate 11, first-level buffer plate 10 following cards corresponding to bottom spreading disk 9, under the level 2 buffering plate 9 corresponding to the stock grading district of powder concentrator.The quantity of the total described charging aperture 1 of present embodiment He is two or four, and along the circumferentially even dispersed placement of top layer spreading disk.The upper surface of top layer spreading disk 7 and bottom spreading disk 9 is provided with radial protruding stupefied 12, and said radial protruding stupefied 12 can make the helical type.Be provided with connecting plate 8 between top layer spreading disk 7 and the bottom spreading disk 9; Top layer spreading disk 7 is provided with tubular internal partition 13 with bottom spreading disk 9 in the position near rotating shaft.Connecting plate 8 and internal partition 13 all help to improve the rigidity of spreading disk.
It is the prerequisite of stock grading that material disperses; Compare with the annular spreading disk dispersed material of traditional powder concentrator; What powder concentrator of the present invention adopted is that a suspension mechanism disperses material, material double-deck butterfly spreading disk fully to around disperse after, a general mood stream that gets into graded region and vortex again carries out abundant " stirring "; Accomplished the stripping process of material, so material is uniformly dispersed fully.After material got into graded region, one side thicker material curtain do not occur and does not have the situation of expecting that the cavity alternately occurs around not having traditional powder concentrator classification rotating cage, and the false bulky grain of eliminating the Van der Waals force generation causes factors such as fish hook effect, and effectiveness of classification is high; Material carries out classification once getting into graded region on the other hand, does not have the stripping process layer by layer under the thicker situation of material curtain at traditional powder concentrator graded region initial stage, and not only classification process is abundant, also eliminates the thick phenomenon of race in the material stripping process.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Other modifications that those of ordinary skills make technical scheme of the present invention perhaps are equal to replacement; Only otherwise break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. uniform novel powder concentrator of spreading; Comprise tubular shell, be used for support housing bearing, motor, decelerator, shaft coupling, frame, be arranged at the pivoting part in the housing; It is characterized in that: described pivoting part comprises rotating shaft, rotor; Fixedly install circular spreading disk at rotor top, this spreading disk is for bilayer and comprise that top layer spreading disk and bottom spreading disk, top layer spreading disk are arranged on below the powder concentrator charging aperture; The outer rim of corresponding top layer spreading disk is provided with the first-level buffer plate of ring-type; Bottom spreading disk diameter greater than the top layer spreading disk and be positioned at the top layer spreading disk below, the outer rim of corresponding bottom spreading disk is provided with the level 2 buffering plate of ring-type, first-level buffer plate and level 2 buffering plate all are fixedly linked with housing; Below the first-level buffer plate corresponding to the card of bottom spreading disk, the stock grading district of corresponding powder concentrator below the level 2 buffering plate.
2. the uniform novel powder concentrator of spreading according to claim 1 is characterized in that: described charging aperture quantity is two or four, and along the circumferentially even dispersed placement of top layer spreading disk.
3. the uniform novel powder concentrator of spreading according to claim 1 and 2 is characterized in that: the upper surface of top layer spreading disk and bottom spreading disk is provided with radial protruding stupefied.
4. the uniform novel powder concentrator of spreading according to claim 3 is characterized in that: the said radial protruding stupefied helical type that is.
5. the uniform novel powder concentrator of spreading according to claim 4 is characterized in that: be provided with connecting plate between top layer spreading disk and the bottom spreading disk; Top layer spreading disk and bottom spreading disk are provided with the tubular internal partition near the position of rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101043109A CN102615046A (en) | 2012-04-10 | 2012-04-10 | Novel powder selecting machine capable of uniformly scattering material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101043109A CN102615046A (en) | 2012-04-10 | 2012-04-10 | Novel powder selecting machine capable of uniformly scattering material |
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| CN102615046A true CN102615046A (en) | 2012-08-01 |
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| CN2012101043109A Pending CN102615046A (en) | 2012-04-10 | 2012-04-10 | Novel powder selecting machine capable of uniformly scattering material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170456A (en) * | 2013-03-28 | 2013-06-26 | 葛中伟 | Rectification method of cement powder separator guiding device |
| CN107107119A (en) * | 2014-10-22 | 2017-08-29 | 蒂森克虏伯工业解决方案股份公司 | For the grading plant being classified to granular materials stream |
| CN110296607A (en) * | 2019-07-30 | 2019-10-01 | 广州泰科节能环保科技有限公司 | A kind of cement kiln power material-strewing device and the cement kiln using it |
| CN110327843A (en) * | 2019-08-05 | 2019-10-15 | 天津水泥工业设计研究院有限公司 | A kind of granulation disc, pelletizer and granulation aid preparation system |
| CN110773428A (en) * | 2019-10-28 | 2020-02-11 | 河北科技大学 | Powder selecting machine |
| CN110327843B (en) * | 2019-08-05 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | Granulation dish, granulator and granulation auxiliary agent preparation system |
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| CN2256778Y (en) * | 1996-03-06 | 1997-06-25 | 贲道春 | Machine for multi-class selective separation of powder |
| CN2443786Y (en) * | 2000-09-01 | 2001-08-22 | 李治修 | Axial flow type vortex powder separator |
| CN101433898A (en) * | 2008-12-25 | 2009-05-20 | 江苏科行环境工程技术有限公司 | Double-layer distribution disc of flour screening device |
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- 2012-04-10 CN CN2012101043109A patent/CN102615046A/en active Pending
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| CN2142758Y (en) * | 1992-12-23 | 1993-09-29 | 国家建筑材料工业局合肥水泥研究设计院 | Combined multi-stage high-efficiency air powder-selecting machine |
| CN2256778Y (en) * | 1996-03-06 | 1997-06-25 | 贲道春 | Machine for multi-class selective separation of powder |
| CN2443786Y (en) * | 2000-09-01 | 2001-08-22 | 李治修 | Axial flow type vortex powder separator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170456A (en) * | 2013-03-28 | 2013-06-26 | 葛中伟 | Rectification method of cement powder separator guiding device |
| CN103170456B (en) * | 2013-03-28 | 2015-06-24 | 河南嘉和节能科技有限公司 | Rectification method of cement powder separator guiding device |
| CN107107119A (en) * | 2014-10-22 | 2017-08-29 | 蒂森克虏伯工业解决方案股份公司 | For the grading plant being classified to granular materials stream |
| CN107107119B (en) * | 2014-10-22 | 2020-04-14 | 蒂森克虏伯工业解决方案股份公司 | Grading device for grading a flow of particulate material |
| US10632503B2 (en) | 2014-10-22 | 2020-04-28 | Thyssenkrupp Industrial Solutions Ag | Classifying device for classifying a granular material flow |
| CN110296607A (en) * | 2019-07-30 | 2019-10-01 | 广州泰科节能环保科技有限公司 | A kind of cement kiln power material-strewing device and the cement kiln using it |
| CN110327843A (en) * | 2019-08-05 | 2019-10-15 | 天津水泥工业设计研究院有限公司 | A kind of granulation disc, pelletizer and granulation aid preparation system |
| CN110327843B (en) * | 2019-08-05 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | Granulation dish, granulator and granulation auxiliary agent preparation system |
| CN110773428A (en) * | 2019-10-28 | 2020-02-11 | 河北科技大学 | Powder selecting machine |
| CN110773428B (en) * | 2019-10-28 | 2022-03-25 | 河北科技大学 | Powder selecting machine |
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Application publication date: 20120801 |