CN103785614A - Multistage powder separating machine for multilayer stacking material distribution gas inlet fluidization - Google Patents
Multistage powder separating machine for multilayer stacking material distribution gas inlet fluidization Download PDFInfo
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- CN103785614A CN103785614A CN201410070223.5A CN201410070223A CN103785614A CN 103785614 A CN103785614 A CN 103785614A CN 201410070223 A CN201410070223 A CN 201410070223A CN 103785614 A CN103785614 A CN 103785614A
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Abstract
The invention belongs to the technical field of powder classification. The classified powder is fluidized on multilayer stacked material carrying plates through airflow of a gas inlet of a classifier, gas and powder can be mixed, thick and large particles which can not be fluidized are firstly separated out in the gas and powder mixing process, medium thick powder and fine powder enter a centrifugal classification area between guiding blades and a column face rotating cage, rotation of the gas and powder mixed flow and radial motion for gas flow to enter the column face rotating cage are achieved, the powder particles in the gas flow is subjected to the joint action of inertial centrifugal force and gas flow dragging force in the centrifugal classification area, the medium thick powder is thrown to the guiding blades and then falls into a medium thick powder outlet under the action of large inertial centrifugal force, and the fine powder enters the column face rotating cage along with the gas flow and flows out of an air outlet under the action of large gas flow dragging force. With the multistage power separating machine, not only can material distribution and the fluidization process can be moved out of the classification area, but also the multi-segment classification effect on powder can be achieved. The classification efficiency is high, and the energy saving effect is good.
Description
Technical field
The present invention relates to particle classifying technical field, particle classifying technology is generally to utilize gas powder to mix in fluidisation, separation process the powder of different-grain diameter scope is collected respectively, to reach the object of particle classifying.This technology is widely used in many industries such as chemical industry, environmental protection, building materials, pharmacy, food.
Background technology
Cylinder cage grader is chemical industry, environmental protection, building materials, pharmacy, the relevant industries such as food are used for one of main classifying equipoment of powder sorting, current existing powder separator, mainly contain two kinds of classification principles, one is gravity sedimentation type, one is centrifugation, air-flow pull-type, the former is applicable to the separation of greater particle size, the latter is applicable to compared with the separation of small particle diameter, and the latter generally can only realize the separation of thickness two-stage, existing separator belongs to the latter substantially on the market, this separator generally needs special distribution device and forces fluidizer, distributed material to be selected is fully mixed and realizes fluidisation with air-flow, again this primary mixture is placed in to airflow field and centrifugal force field, the centrifugal force producing by particle is realized separating of large or fine granule with the difference of air-flow drag.Three technical process of cloth, fluidisation and the classification of current existing powder separator are all to complete in graded region, because the material state of these three kinds of processes of cloth, fluidisation and classification is different, thereby have a strong impact on the separating effect of powder, and the thick phenomenon of the race that causes separating effect variation, and this sorting can only be divided into powder thickness two in type.In fact many grinding systems need to have a kind of multi-level sorting machine that meal, middle meal and fine powder can be collected respectively, need to overcome in graded region, to carry out cotton material and the impact of fluid mapper process on classification process simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiency of existing technology, provide a kind of mechanism rationally, manufacturing cost and operation and maintenance cost is low, classification often, the good and much higher grade of powder separator of operating efficiency of effectiveness of classification.
The technical scheme that the present invention solves its technical problem is: the multistage powder separator of the wrong laying up material of a kind of multilayer air inlet fluidisation, comprises motor, reductor, cylinder rotating cage, guide vane, air inlet, air outlet, charging aperture, meal discharging opening and middle meal discharge gate; It is characterized in that, described cylinder rotating cage drives rotation by the motor and speed reducer of portion mounted thereto, described cylinder rotating cage outside is provided with some guide vanes, forms the centrifugal classification district that coexists and implement sorting for gaseous mixture powder between the inner side of described guide vane and cylinder rotating cage outer surface; The below of described cylinder rotating cage is provided with middle meal discharge gate, has air inlet and charging aperture in described guide vane arranged outside, and charging aperture is arranged on the top at air inlet place; Below the charging aperture of air inlet inside, be provided with the stock supporting plate of multiple stacked arrangement; Below moving ahead in the outside of guide vane, along the stock supporting plate air-flow of stacked arrangement, be provided with meal discharging opening.
The stock supporting plate of multiple stacked arrangement has certain dislocation relation from top to down, make that charging aperture enters treat sorting material self gravity and the promotion of air inlet air-flow under taken away by air-flow or pick up rank along the stock supporting plate of dislocation stacked arrangement and under.
When work, mixed powder to be fractionated feeds from charging aperture respectively, drop on the folded stock supporting plate of arranging of multistage mistake, the high velocity air entering from air inlet blows afloat and realizes the fluidisation of powder or take subordinate's stock supporting plate to and continue to be fluidized holding powder section's plate, due to the effect of high velocity air, treat that middle meal and the fine powder in sorting powder is fluidized, brought into the centrifugal classification district of guide vane inner side by air-flow, and meal is because deadweight can not be fluidized more greatly, sinks respectively to meal discharging opening and discharge.Enter into meal and the fine powder in centrifugal classification district inside guide vane, under with the turning effort of cylinder rotating cage, produce centrifugal inertial force respectively, with enter under the acting in conjunction of air-flow drag of cylinder rotating cage the inside that is greater than air-flow drag and can not enters cylinder rotating cage due to the centrifugal force of middle meal, can only sedimentation in the centrifugal classification district of the outside of cylinder rotating cage and guide vane inner side, and discharge by middle meal outlet, fine powder enters cylinder rotating cage with air-flow and finally discharges by air outlet, then by outside special dust seperator by fines collection.So just realized separating of meal, middle meal and fine powder, carry out the outside that also allows the mixing of gas powder and fluid mapper process move on to centrifugal classification district simultaneously.
Beneficial effect of the present invention is: it is rational in infrastructure, and classification often, effectiveness of classification is high, and manufacturing cost and operation and maintenance cost are low, good in economic efficiency, and can effectively improve unit production capacity and operating efficiency, reduces environmental pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the cutaway view of Fig. 1 along A-A direction.
In figure: 1-air inlet, 2-charging aperture I, 3-guide vane, 4-cylinder rotating cage, 5-charging aperture II, 6-air inlet II, 7-meal discharging opening I, meal discharging opening in 8-, meal discharging opening II in 9-, 10-stock supporting plate, 11-air outlet, 12-motor, 13-reductor.
The specific embodiment
By Fig. 1, Fig. 2 and Fig. 3 are known: the multistage powder separator of the wrong laying up material of a kind of multilayer air inlet fluidisation, comprise cylinder rotating cage (4), guide vane (3), air inlet I (1), air inlet II (6) air outlet (11), the compositions such as rotating cage shaft flange (12), the charging aperture I (2) of material to be fractionated and charging aperture II (5) are separately positioned on the top of air inlet I (1) and air inlet II (6), be provided with the stock supporting plate (10) of multiple stacked arrangement in the below, inside of charging aperture I (2) and charging aperture II (5), allow the air-flow that air inlet I (1) and air inlet II (6) enter pass from the stock supporting plate (10) of stacked arrangement.The stock supporting plate (10) of multiple stacked arrangement has certain dislocation relation from top to down, make that charging aperture I (2) and charging aperture II (5) enter treat sorting material self gravity and the promotion of air inlet air-flow under pick up rank along the stock supporting plate (10) of dislocation stacked arrangement and under.In this process, after tiny powder is fluidized, enter the centrifugal classification district of guide vane (3) inner side with air-flow, rotation by cylinder rotating cage (4) realizes centrifugal classification, and fine powder enters cylinder rotating cage (4) with air-flow and finally discharges by air outlet (11).The middle meal that can not enter cylinder rotating cage (4) is discharged by the middle meal discharging opening (8) that is arranged on the interior side-lower of guide vane (3).Be respectively arranged with meal discharging opening I (7) and meal discharging opening II (9) in the lower front of the outside of guide vane (3) air inlet I (1) and air inlet II (6).Entered by charging aperture I (2) and charging aperture II (5) treat sorting material self gravity and the promotion of air inlet air-flow under pick up rank along the stock supporting plate (10) of dislocation stacked arrangement and under process in, the bulky material that can not be fluidized finally enters respectively meal discharging opening I (7) or meal discharging opening II (9), and discharges thus.
When work, mixed powder to be fractionated is respectively from charging aperture I (2) and charging aperture II (5) feeding, drop on folded the holding on section's plate (10) of arranging of multistage mistake, the high velocity air entering from air inlet I (1) and air inlet II (6) blows afloat the powder stock supporting plate (10) to realize the fluidisation of powder or take subordinate's stock supporting plate (10) to and continue to be fluidized, due to the effect of high velocity air, treat that middle meal and fine powder in sorting powder are fluidized, brought into the centrifugal classification district of guide vane (3) inner side by air-flow, and meal is because deadweight can not be fluidized more greatly, sink respectively to meal discharging opening I (7) and meal discharging opening II (9) and discharge.Enter into meal and the fine powder in centrifugal classification district, guide vane (3) inner side, under with cylinder rotating cage (4) turning effort, produce centrifugal inertial force respectively, with enter under the acting in conjunction of air-flow drag of cylinder rotating cage (4), because the centrifugal force of middle meal is greater than air-flow drag and can not enters the inside of cylinder rotating cage (4), can only sedimentation in the centrifugal classification district of the outside of cylinder rotating cage (4) and guide vane (3) inner side, and discharge by middle meal outlet (8), fine powder enters cylinder rotating cage (4) with air-flow and finally discharges by air outlet (11), again by outside special dust seperator by fines collection.So just realized separating of meal, middle meal and fine powder, carry out the outside that also allows the mixing of gas powder and gasification move on to centrifugal classification district simultaneously.
Claims (2)
1. a multistage powder separator for the wrong laying up material of multilayer air inlet fluidisation, comprises motor, reductor, cylinder rotating cage, guide vane, air inlet, air outlet, charging aperture, meal discharging opening and middle meal discharge gate; It is characterized in that, described cylinder rotating cage drives rotation by the motor and speed reducer of portion mounted thereto, described cylinder rotating cage outside is provided with some guide vanes, forms the centrifugal classification district that coexists and implement sorting for gaseous mixture powder between the inner side of described guide vane and cylinder rotating cage outer surface; The below of described cylinder rotating cage is provided with middle meal discharge gate, has air inlet and charging aperture in described guide vane arranged outside, and charging aperture is arranged on the top at air inlet place; Below the charging aperture of air inlet inside, be provided with the stock supporting plate of multiple stacked arrangement; Below moving ahead in the outside of described guide vane, along the stock supporting plate air-flow of stacked arrangement, be provided with meal discharging opening.
2. the multistage powder separator of the wrong laying up material of a kind of multilayer according to claim 1 air inlet fluidisation, it is characterized in that, the stock supporting plate of multiple stacked arrangement has certain dislocation relation from top to down, make that charging aperture enters treat sorting material self gravity and the promotion of air inlet air-flow under taken away by air-flow or pick up rank along the stock supporting plate of dislocation stacked arrangement and under.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410070223.5A CN103785614A (en) | 2014-02-28 | 2014-02-28 | Multistage powder separating machine for multilayer stacking material distribution gas inlet fluidization |
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| CN201410070223.5A CN103785614A (en) | 2014-02-28 | 2014-02-28 | Multistage powder separating machine for multilayer stacking material distribution gas inlet fluidization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438088A (en) * | 2014-10-31 | 2015-03-25 | 中联重科股份有限公司 | Material dispersing and dust removing device and method, air inlet structure of material dispersing and dust removing device and air vibrating screen |
| CN106244796A (en) * | 2016-09-21 | 2016-12-21 | 武汉科技大学 | A kind of method of bone coal one step fluidized bed roasting |
| CN107511248A (en) * | 2017-08-25 | 2017-12-26 | 长沙深湘通用机器有限公司 | Crush the process with unit sorting multi-product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE892501A (en) * | 1982-03-15 | 1982-07-01 | Cbr Cementbedrijven Nv | Pneumatic centrifugal classifier for powders - using double rotor to improve sepn. of fine particles by streams of air |
| CN1485149A (en) * | 2002-09-29 | 2004-03-31 | 吕海峰 | Three composition dividing powder separating machine |
| CN101716574A (en) * | 2009-12-25 | 2010-06-02 | 江苏科行环境工程技术有限公司 | High-efficiency material distribution powder selector |
| CN101767093A (en) * | 2010-03-15 | 2010-07-07 | 天津水泥工业设计研究院有限公司 | Powder concentrator integrating functions of scattering, drying and grading into whole |
| CN204018232U (en) * | 2014-02-28 | 2014-12-17 | 姜大志 | The multistage powder separator of a kind of multilayer wrong laying up material air inlet fluidisation |
-
2014
- 2014-02-28 CN CN201410070223.5A patent/CN103785614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE892501A (en) * | 1982-03-15 | 1982-07-01 | Cbr Cementbedrijven Nv | Pneumatic centrifugal classifier for powders - using double rotor to improve sepn. of fine particles by streams of air |
| CN1485149A (en) * | 2002-09-29 | 2004-03-31 | 吕海峰 | Three composition dividing powder separating machine |
| CN101716574A (en) * | 2009-12-25 | 2010-06-02 | 江苏科行环境工程技术有限公司 | High-efficiency material distribution powder selector |
| CN101767093A (en) * | 2010-03-15 | 2010-07-07 | 天津水泥工业设计研究院有限公司 | Powder concentrator integrating functions of scattering, drying and grading into whole |
| CN204018232U (en) * | 2014-02-28 | 2014-12-17 | 姜大志 | The multistage powder separator of a kind of multilayer wrong laying up material air inlet fluidisation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438088A (en) * | 2014-10-31 | 2015-03-25 | 中联重科股份有限公司 | Material dispersing and dust removing device and method, air inlet structure of material dispersing and dust removing device and air vibrating screen |
| CN106244796A (en) * | 2016-09-21 | 2016-12-21 | 武汉科技大学 | A kind of method of bone coal one step fluidized bed roasting |
| CN107511248A (en) * | 2017-08-25 | 2017-12-26 | 长沙深湘通用机器有限公司 | Crush the process with unit sorting multi-product |
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Application publication date: 20140514 |