CN1607040A - Combined powder selector with double wheel differential motion - Google Patents
Combined powder selector with double wheel differential motion Download PDFInfo
- Publication number
- CN1607040A CN1607040A CN 200310101107 CN200310101107A CN1607040A CN 1607040 A CN1607040 A CN 1607040A CN 200310101107 CN200310101107 CN 200310101107 CN 200310101107 A CN200310101107 A CN 200310101107A CN 1607040 A CN1607040 A CN 1607040A
- Authority
- CN
- China
- Prior art keywords
- wheel
- centrifugal wind
- wind wheel
- grading
- spreading disk
- 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
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
A double-wheel different composite powder concentrator consists of nested inner and outer shell, the lower part of inner shell is divided into two sections having guide blades to form ventilation fence way, centrifugal wheel in shell, multi-layer rotary disc composed of classifying wheel and material tray. Centrifugal wheel and classifying wheel are driven by different axle. The material classified through inlet, material spraying tray, classifying wheel, centrifugal wheel, finally settled, to obtain the classified powder.
Description
Affiliated technical field
The present invention relates to a kind of gradation equipment, be used for the powder material mixture of different-grain diameter is carried out thickness grading, the powder that can be widely used in industries such as building materials, chemical industry, metallurgy, mine prepares occasion, is particularly useful for the powder equipment that selects as the raw mill of cement industry and cement grinding mill.
Background technology
Prior art can be consulted " the air powder concentrator " of institution of higher education's the 3rd piece of chapter 10 first segment of teaching material " construction material machine and equipment " on probation of China Construction Industry Press's in December, 1980 publication, " classifying equipoment in the dry production " of " comminution engineering and equipment " the 4th piece of chapter 4 of publishing in November, 1994 with Chinese building material industry publishing house, and the patent No. is 96215513.6 utility model patent " differential-cyclic wind-changing type powder concentrator ".
Existing first generation centrifugal classifier has only a rotation roulette, includes big blade, little fan blade and spreading disk on it.Produce circulated air by the big blade on top, between inner and outer shell, circulate, carry out classification by the little fan blade at middle part.The material that spreads out from the spreading disk of rotation roulette bottom runs into circulated air, and meal can not pass little fan blade with the wind and arrive shell body, and sedimentation and being collected in inner housing is discharged powder concentrator as meal.Fine powder then passes little fan blade with the wind, behind big blade arrival shell body, change into and moving downward, because the direction of motion takes place to change suddenly, wind speed also reduces suddenly, and fine powder generation sedimentation is collected as fine powder discharge powder concentrator by shell body, wind behind the dust settling is got back to inner housing by the guide vane of inner housing bottom, participates in the next round sorting again.This powder concentrator has the advantage that system is simple, wind path short, the wind path on-way resistance is little, but disadvantage is that big blade, vanelets and spreading disk are by the same axis transmission, can not do the differential running, be difficult to adapt to the different demands of different production status, cause grinding efficiency low them.
Second generation cyclone type powder sorting machine and third generation rotating cage type powder concentrator produce classification wind by the peripheral hardware blower fan, cyclone type powder sorting machine turns round under low wind speed and low vanelets resistance state, with slow down energy consumption with the wind curb journey resistance increase and increase, it is limited that grinding efficiency is increased.The rotating cage type powder concentrator then turns round under the state of high wind speed and high vanelets resistance, grinding efficiency has remarkable increase, but system also significantly increases in order to the energy consumption that overcomes the wind path on-way resistance thereupon, offset most of energy consumption of being saved of increasing production because of grinding efficiency increase (making whole grinding system), it is limited to make the whole system energy consumption reduce amplitude, and system complex.
The patent No. is 96215513.6 utility model patent " differential-cyclic wind-changing type powder concentrator " though also be that two wheels are made differential movement, but only allow spreading disk and big and small blade throw off, and under the Sa charging tray, increased a little wind wheel, and the big blade of generation circulated air and the vanelets of grading still are coaxial runnings.
Summary of the invention
The purpose of this invention is to provide a kind of powder concentrator, the advantage that promptly has third generation rotating cage type powder concentrator, it is the grinding efficiency height, the advantage that has first generation centrifugal classifier again, be that the wind path on-way resistance is little, process system is simple, allow the grinding efficiency increase fully change into the reduction of (whole grinding system) energy consumption.
Target of the present invention can be achieved by following approach: a kind of powder concentrator, the inner housing and the shell body of suit are arranged, and inner housing is fixing within the outer shell with support.Inside and outside housing top is cylindrical surface or the multi-edge column-shaped face or the taper surface of n (n 〉=1) section hollow, inside and outside lower housing portion is the big coned face or the polygonal pyramid shape face head-up of n (n 〉=1) section hollow, the inner housing bottom is divided into two sections, and middle being separated by the polylith guide vane forms ventilating grating.Enclosure interior is equipped with centrifugal wind wheel, grading wheel and spreading disk and forms the multilayer rotation roulette, and centrifugal wind wheel is driven by different axles with grading wheel.The rotation of centrifugal wind wheel produces centrifugal force and generates circulated air, move downward from the top rotation in the gap between the inner and outer shell, and pass that ventilating grating enters inner housing on the inner housing, turn in the inner housing inward turning, again from outside (descending) inwardly (on) pass the vanelets on the grading wheel that is rotating, continue upwards to get back to centrifugal wind wheel, rotate the gap of pushing between the inner and outer shell by centrifugal wind wheel again, enter the next round circulation.Material to be selected feeds powder concentrator by charging aperture, fall under gravity on the spreading disk that is rotating and also outwards spread out, run into the circulated air that the rotation in the inner housing is moving upward, fine powder with the wind by outer (descend) inside (on) pass the vanelets of grading wheel, continue upwards to arrive centrifugal wind wheel, rotate the position of pushing between the inner and outer shell, gap by centrifugal wind wheel again, changing rotation into moves downward, because the change of the direction of motion and the reduction of wind speed, dust settling, and, discharge powder concentrator as fine powder by the shell body collection.The direct sedimentation of some meal in the material that spreading disk spreads out, though a part of in addition meal moves to the grading wheel place with the wind, but can't pass the vanelets on the grading wheel that is rotating, finally run into inner housing stall sedimentation because of the effect of rotary centrifugal force, the meal of sedimentation is collected as meal by inner housing and is discharged powder concentrator in inner housing, thereby reaches the purpose of material being carried out thickness grading.
Because centrifugal wind wheel and the different through-drive of grading wheel, air quantity can be adjusted separately, and the rotating speed of grading wheel also can be adjusted separately, to adapt to the needs of different working conditions.So, this powder concentrator had both had the high advantage of third generation rotating cage type powder concentrator grinding efficiency, have the advantage that first generation centrifugal classifier system is simple, the wind path on-way resistance is little, power consumption is low again, can realize allowing the grinding efficiency increase fully change into this target of reduction of (whole grinding system) energy consumption.
The specific embodiment
Enforcement of the present invention mainly contains following several alternative plan
First kind is referred to as basic model, and centrifugal wind wheel (4) is installed on the axle (2), and grading wheel (5) is installed on the axle (1), and axle (2) is a hollow shaft, and axle (1) is contained within the axle (2) by bearing holder (housing, cover), thereby realizes differential gearing.Charging aperture is installed near the powder concentrator position intermediate, and to centrifugal wind wheel center feeding, this feeding manner requires on the multilayer rotation roulette at least one circle blocking material ring is arranged, prevent material without spreading disk from inside to outside directly scurry into wind path cause run thick.This scheme can also be placed on transmission system the bottom of powder concentrator, and need be installed in grading wheel (5) on the hollow outer shaft (2) this moment, and centrifugal wind wheel (4) is installed on the interior axle (1).
Second kind based on basic model, changes feeding manner.Spreading disk has been moved between centrifugal wind wheel and the grading wheel by the bottom of grading wheel, and charging aperture feeds spreading disk from multilayer rotation roulette side with material, and require that at least one circle blocking material ring is arranged on the multilayer rotation roulette this moment.
The third also is based on basic model, changes feeding manner.Spreading disk is also in the bottom of grading wheel at this moment, and charging aperture feeds spreading disk by multilayer rotation roulette side with material.
The 4th kind is based on basic model, does not change feeding manner, only the original sleeve kind of drive is changed into the double end kind of drive up and down, specifically is to change former sleeve into single shaft (2), increases power transmission shaft (12).The top transmission drives centrifugal wind wheel, and the bottom transmission drives grading wheel.
The 5th kind also is based on basic model, do not change feeding manner, just on the basis of original top sleeve kind of drive axle (1) axle (2), increase bottom power transmission shaft (12), the hollow outer shaft in top (2) drives centrifugal wind wheel, interior axle (1) drives middle part rotation roulette [grading wheel (5) or spreading disk (10)], and bottom power transmission shaft (12) drives bottom rotation roulette [spreading disk (10) or grading wheel (5)].This programme can also be exchanged the nested rotating shaft (1) (2) and the upper-lower position of single shaft (12), axle (1) still drives middle part rotation roulette [grading wheel (5) or spreading disk (10)] in this moment, top single shaft (12) drives centrifugal wind wheel, and lower hollow outer shaft (2) drives bottom rotation roulette [spreading disk (10) or grading wheel (5)].
The feeding manner of second kind or the third combined with the 4th kind the kind of drive can obtain the 6th kind or the 7th kind of scheme respectively.The feeding manner of second kind or the third combined with the 5th kind the kind of drive can obtain the 8th kind or the 9th kind of scheme respectively.
Blocking material ring on the multilayer rotation roulette of the present invention can be cylindrical so or taper seat shape or multi-prismatic surface shape or polygonal pyramid face shape; Big blade on the centrifugal wind wheel of the present invention can be planar shaped or curved surface shaped or solid type; Vanelets on the grading wheel of the present invention also can be planar shaped or curved surface shaped or solid type; Vanelets on the grading wheel of the present invention can be arranged in the cage type of cylinder shape or the cage type or the radiation of cone-shaped.
Spreading disk of the present invention can establish one's own system separately, also can be compounded on the centrifugal wind wheel, but to be compound on the grading wheel, form two-wheel with centrifugal wind wheel, and carry out the differential rotation.
Advantage of the present invention be centrifugal wind wheel with grading wheel by different through-drive, the air quantity of powder concentrator can be adjusted separately, the rotating speed of grading wheel also can be adjusted separately, to adapt to the needs of different working conditions, both can improve grinding efficiency, do not need to add blower fan again, thereby avoided the increase of wind path on-way resistance, allow the raising of grinding efficiency be transformed into the increase of production capacity and the saving of energy consumption fully.
Description of drawings
Several most preferred embodiment of the present invention can provide in conjunction with the following drawings.
At first referring to Fig. 1, Fig. 1 is the structural representation of the powder concentrator of basic model of the present invention, inner housing (6) and shell body (7) that suit is arranged, inner housing (6) is fixed on the inside of shell body (7) with support, forms ventilation gap between inner housing (6) and the shell body (7).Housing top is cylindrical, and lower housing portion is conical.Inner housing (6) bottom is divided into two sections, and middle being separated by polylith guide vane (11) forms ventilating grating.Enclosure interior is equipped with the multilayer rotation roulette that centrifugal wind wheel (4), grading wheel (5) and spreading disk (10) are formed, and big blade (8) is installed on the centrifugal wind wheel (4), and little fan blade (9) is installed on the grading wheel (5).Running part is the cover shaft type, the interior package packing rotating shaft of hollow rotating shaft (2) (1), and grading wheel (5) and spreading disk (10) are by interior axle (1) driven rotary, and centrifugal wind wheel (4) is by hollow rotating shaft (2) driven rotary.The centrifugal force that is produced by centrifugal wind wheel (4) rotation generates circulated air, the ventilation gap and the rotation that enter between the inner and outer shell move downward, guide vane (11) on the arrival inner housing (6) is when locating, the ventilating grating that passes polylith guide vane (11) composition enters the inside of inner housing (6), changing rotation into moves upward, arrival grading wheel (5) passes the vanelets (9) on the grading wheel (5) when locating, rotation is upwards got back to centrifugal wind wheel (4) and is located, rotate the ventilation gap of pushing between the inner and outer shell by centrifugal wind wheel (4) again, enter the next round circulation.Material to be selected is by top charging aperture (3) feeding powder concentrator, fall under gravity on the spreading disk (10) that is rotating, and outwards spread out, run into the circulated air that the rotation in the inner housing (6) makes progress, the a part of fine powder that contains in the material moves with the wind, pass the vanelets (9) on the grading wheel (5), upwards arrive centrifugal wind wheel (4), rotate the ventilation gap position of pushing between the inner and outer shell by centrifugal wind wheel (4) again, changing rotation into moves downward, because the change of the direction of motion and the reduction of wind speed, dust settling is also collected as fine powder by shell body (7) and to be discharged powder concentrator.The direct sedimentation of some meal in the material that spreading disk spreads out, though a part of in addition meal moves to grading wheel (5) with the wind and locates, but can't pass the vanelets (9) on the grading wheel (5) that is rotating, finally run into inner housing (6) stall sedimentation because of the effect of rotary centrifugal force, meal in the inner sedimentation of inner housing (6) is collected as meal discharge powder concentrator by inner housing (6), thereby reaches the purpose of material being carried out thickness grading.Solid arrow is represented the direction of motion of material among the figure, and dotted arrow is represented the direction of motion of wind.
Fig. 2 a kind ofly does some the structural representation of change to basic model, changes the top center charging side charging of into multilayer rotation roulette middle part.
Fig. 3 a kind ofly does some the structural representation of change to basic model, changes the top center charging side charging of into multilayer rotation roulette bottom.
Fig. 4 a kind ofly does some the structural representation of change to basic model, changes the two transmissions of sleeve into double end transmission up and down.
Fig. 5 a kind ofly does some the structural representation of change to basic model, keeps the two transmissions of sleeve, increases looper drive shaft system to spreading disk separately again.
Fig. 6 is the structure diagram of a kind of centrifugal wind wheel (4) of basic model of the present invention, and the centrifugal wind wheel among this figure (4) has big blade (8), blocking material ring (20), wheel hub (21), connecting rod (22) etc.
Fig. 7 is a kind of grading wheel (5) of basic model of the present invention, the structure diagram of spreading disk (10).Grading wheel among this figure (5) has chassis (30), takes over a business (31), every dish (32), blocking material ring (33), connecting rod (34), wheel hub (35) and vanelets (9) etc., spreading disk (10) is attached on the grading wheel (5).
Claims (9)
1, a kind of powder concentrator, form by grading wheel (5), centrifugal wind wheel (4), charging aperture (3), inner housing (6), shell body (7), spreading disk (10) and 2 rotating shafts etc., inner housing (6) is fixed on the inside of shell body (7) with support, centrifugal wind wheel (4), grading wheel (5) and spreading disk (10) constitute the multilayer rotation roulette, spreading disk (10) and the same through-drive of grading wheel (5) is characterized in that centrifugal wind wheel (4) and the different through-drive of grading wheel (5).
2, a kind of powder concentrator, form by grading wheel (5), centrifugal wind wheel (4), charging aperture (3), inner housing (6), shell body (7), spreading disk (10) and 2 rotating shafts etc., inner housing (6) is fixed on the inside of shell body (7) with support, centrifugal wind wheel (4), grading wheel (5) and spreading disk (10) constitute the multilayer rotation roulette, spreading disk (10) and the same through-drive of centrifugal wind wheel (4) is characterized in that centrifugal wind wheel (4) and the different through-drive of grading wheel (5).
3, a kind of powder concentrator, form by grading wheel (5), centrifugal wind wheel (4), charging aperture (3), inner housing (6), shell body (7), spreading disk (10) and 3 rotating shafts etc., inner housing (6) is fixed on the inside of shell body (7) with support, centrifugal wind wheel (4), grading wheel (5) and spreading disk (10) constitute the multilayer rotation roulette, it is characterized in that spreading disk (10) and centrifugal wind wheel (4) and grading wheel (5) all are different through-drive.
4, as claim 1 to the described powder concentrator of claim 2, rotating shaft (1) is sleeved in the rotating shaft (2), drives grading wheel (5) and centrifugal wind wheel (4) respectively and rotates, and it is characterized in that centrifugal wind wheel (4) and grading wheel (5) are different through-drive.
5, as claim 1 to the described powder concentrator of claim 2, powder concentrator respectively has a power transmission shaft up and down, drive grading wheel (5) by bottom rotating shaft (12) and rotate, drive centrifugal wind wheel (4) by top rotating shaft (2) and rotate, it is characterized in that centrifugal wind wheel (4) and grading wheel (5) are different through-drive.
6, powder concentrator as claimed in claim 3, powder concentrator has three power transmission shafts, the rotating shaft that rotating shaft (1) is nested with for hollow rotating shaft, the rotation roulette that is driven the middle part by rotating shaft (1) rotates, drive centrifugal wind wheel (4) rotation on top then by the top transmission, the rotation roulette that is driven the bottom by the bottom transmission rotates, and it is characterized in that centrifugal wind wheel (4) and grading wheel (5) are different through-drive.
7, as claim 4 to the described powder concentrator of claim 6, it is characterized in that the inside of material to be selected by charging aperture (3) feeding centrifugal wind wheel (4), fall under gravity on the spreading disk (10), at least one deck blocking material ring need be set in the multilayer rotation roulette.
8, as claim 4 to the described powder concentrator of claim 6, it is characterized in that material to be selected by charging aperture (3) from the spreading disk (10) between the outside of multilayer rotation roulette feeding centrifugal wind wheel (4) and the grading wheel (5), at least one deck blocking material ring need be set in the multilayer rotation roulette.
9, as claim 4 to the described powder concentrator of claim 6, it is characterized in that material to be selected by charging aperture (3) from the spreading disk (10) of the outside of multilayer rotation roulette feeding grading wheel (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101107 CN1607040A (en) | 2003-10-15 | 2003-10-15 | Combined powder selector with double wheel differential motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101107 CN1607040A (en) | 2003-10-15 | 2003-10-15 | Combined powder selector with double wheel differential motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1607040A true CN1607040A (en) | 2005-04-20 |
Family
ID=34756110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310101107 Pending CN1607040A (en) | 2003-10-15 | 2003-10-15 | Combined powder selector with double wheel differential motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1607040A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407620B (en) * | 2007-10-11 | 2011-05-25 | 同济大学 | High performance epoxy resins composite material and preparation thereof |
| CN102319673A (en) * | 2011-02-22 | 2012-01-18 | 夏纪勇 | Cylindrical powder concentrator |
| CN104550024A (en) * | 2015-01-29 | 2015-04-29 | 盐城市富仕环保科技有限公司 | Multi-level sorting unit of powder concentrator |
| CN105057123A (en) * | 2015-07-27 | 2015-11-18 | 中建材（合肥）粉体科技装备有限公司 | Tower skirt type dry powder material classifier |
-
2003
- 2003-10-15 CN CN 200310101107 patent/CN1607040A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407620B (en) * | 2007-10-11 | 2011-05-25 | 同济大学 | High performance epoxy resins composite material and preparation thereof |
| CN102319673A (en) * | 2011-02-22 | 2012-01-18 | 夏纪勇 | Cylindrical powder concentrator |
| CN102319673B (en) * | 2011-02-22 | 2014-01-01 | 夏纪勇 | Cylindrical powder concentrator |
| CN104550024A (en) * | 2015-01-29 | 2015-04-29 | 盐城市富仕环保科技有限公司 | Multi-level sorting unit of powder concentrator |
| CN105057123A (en) * | 2015-07-27 | 2015-11-18 | 中建材（合肥）粉体科技装备有限公司 | Tower skirt type dry powder material classifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104984911B (en) | A kind of rotor type powder sorter | |
| CN101342504B (en) | High-voltage panel type grinding equipment and its processing method | |
| CN202387599U (en) | Vortex combined powder separator | |
| CN113953065B (en) | Combined grinding system with pre-grinding equipment | |
| CN2236892Y (en) | Multiple stage crushing and stage mill | |
| CN1607040A (en) | Combined powder selector with double wheel differential motion | |
| CN201603689U (en) | Efficient powder concentrator matched with pulverizing mill for processing electrolytic crusted blocks | |
| CN213255710U (en) | Double-shaft double-rotor grading powder concentrator | |
| CN203556562U (en) | Ternary classification powder selecting machine | |
| CN208824991U (en) | A kind of superfine powder sorting machine | |
| CN2724836Y (en) | Supersonic-speed air-flow whirling collision type apparatus for producing nano-powder of Chinese herb medicines | |
| CN2601740Y (en) | Superfine internal -grading centrifugal circular grinder | |
| CN1608745A (en) | Dynamic coal milling powder-selecting machine | |
| CN2555948Y (en) | Integrated machine for garbage crushing, bag breaking and sieving | |
| CN110756284B (en) | High-efficient separation raymond mill suitable for small granule | |
| CN1485149A (en) | Three composition dividing powder separating machine | |
| CN107790385A (en) | A kind of flip-over type material layering screening installation for refuse classification | |
| CN2267869Y (en) | Differential-cyclic powder sorter | |
| CN2326355Y (en) | Double-rotor powder selector | |
| CN209577398U (en) | A kind of device for effectively separating for powdery paints | |
| CN208865964U (en) | A kind of nanometer of grading wheel | |
| CN2250812Y (en) | Contra rotation disintegrator | |
| CN100364669C (en) | Compound type regrind mill | |
| CN2264051Y (en) | Equipment for drying preparation of abrasive micropowder | |
| CN2502786Y (en) | Pulverising fiberizing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |