CN104785445A - Centrifugal aggregate powder removing device and method - Google Patents
Centrifugal aggregate powder removing device and method Download PDFInfo
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- CN104785445A CN104785445A CN201510154516.6A CN201510154516A CN104785445A CN 104785445 A CN104785445 A CN 104785445A CN 201510154516 A CN201510154516 A CN 201510154516A CN 104785445 A CN104785445 A CN 104785445A
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Abstract
The invention relates to an efficient aggregate powder removing device and method used for separating powder from aggregates. The centrifugal aggregate powder removing device comprises an outer bin body, an inner bin body, a powder bin, a winnowing assembly and a gas guide mechanism. The inner bin body comprises an inner powder bin and an inner conical cylinder which are distributed vertically. An air inlet is reserved between the inner powder bin and the inner conical cylinder. The gas guide mechanism comprises an upper gas guide plate set and a lower gas guide plate set which are arranged in the powder bin. The upper gas guide plate set is arranged below the winnowing assembly, carries out carding on airflow generated by the winnowing assembly and guides the airflow into the powder bin. The lower gas guide plate set is arranged in an air inlet of the inner bin body and guides airflow in the powder bin into the inner bin body to form ascending airflow. When the efficient aggregate powder removing device is used for removing powder, the mobility of the airflow in the powder bin and the inner bin body can be improved, the ascending airflow of the two times is formed in the inner bin body, the ascending speed of the powder is increased, the separation efficiency of the powder is improved, and the fine powder partition size can be changed according to the use requirement of the aggregates.
Description
Technical field
The present invention relates to concrete-agitating technical field, be specifically related to a kind of for by aggregate powder be separated efficient bugduster apparatus and gumming method.
Background technology
When concrete-agitating in order to obtain high-quality aggregate, need the powder in aggregate to be separated, traditional gravel gumming often adopts WATER-WASHING METHOD, and this method needs a large amount of water resources, and water resource is day by day deficient, and traditional WATER-WASHING METHOD is worthless; In addition, use conventional method from gravel water content too high, also want dry process during application.
In order to solve the problem, there is multiple powder selection device on the market, as Authorization Notice No. centrifugal classifier disclosed in CN2444689Y, this powder concentrator is made up of body, running part, rotor portion three part, it is characterized in that: turn and comprise sub-material hub from part, lifting blade, ground fan blade, small fan dish, little fan blade seat, little fan blade, big blade, even cloth polylith lifting blade in sub-material hub, lifting blade and sub-material hub plane angled, on every block lifting blade, outer end is welded with end fan blade, and angled with vertical line; Little fan blade is arranged on the little fan blade seat of small fan dish by what tilt; Inner housing cone inwall and cylindrical inwall joint is uniform is welded with polylith shock plate, and angled with vertical line.If use this kind of centrifugal classifier dust removed in aggregate can avoid using water to clean aggregate, but aggregate particle compared with dust is large, quality weight, use this kind of centrifugal classifier also to have following problem: one be circulating current in inner housing with fall in aggregate contact, cause the poor fluidity of air-flow, affect separating effect; Two be by lifting blade material kicked up clash into inner housing inwall after just fine powder material just can raise up, only form the air-flow once risen in inner housing, cause that the rate of climb of fine powder material is slow, separative efficiency is low; Three is that the long-term and lifting blade of aggregate and inner casing body wall shock can make it wear and tear greatly, need that frequent shutdown is changed, maintenance cost is high; Four is that aggregate need according to formula adjustment fine powder partition size when using, and powder concentrator cannot realize this kind of function.If therefore use the dust in existing centrifugal powder concentrator removal aggregate, need further improvement.
Summary of the invention
In order to overcome the deficiency of existing aggregate bugduster apparatus, providing that a kind of gumming is effective, operating efficiency is high, centrifugal aggregate bugduster apparatus and the gumming method of formula adjustment fine powder partition size can be had more.
For achieving the above object, the technical solution used in the present invention is as follows: centrifugal aggregate bugduster apparatus, comprise the outer warehouse that bottom is provided with powder discharge pipe, be nested in the interior warehouse in outer warehouse, cavity between outer warehouse and interior warehouse is filler bin, it is characterized in that: also comprise selection by winnowing assembly and air guide mechanism, described interior warehouse comprises the interior powder storehouse and inner conical-tube arranged up and down, and leave air inlet between interior powder storehouse and inner conical-tube, this top, interior powder storehouse has the groove that feeds intake, aggregate discharge pipe is had bottom this interior warehouse, described selection by winnowing assembly comprises and stretching in interior powder storehouse and the main shaft be arranged on the axis of interior powder storehouse, be arranged at the bulk cargo assembly on main shaft and selection by winnowing assembly, and drive the spindle drive motor of main axis, described air guide mechanism comprises and is arranged at upper aeroscopic plate group in filler bin and lower aeroscopic plate group, on this, aeroscopic plate group is arranged at air-flow that below selection by winnowing assembly, combing selection by winnowing assembly produces and imports in filler bin, the air inlet that this lower aeroscopic plate group is arranged in interior warehouse forms ascending air by the air-flow importing in filler bin in powder storehouse.
Further, top, interior powder storehouse is enclosed construction, and is provided with the valve member of powder outlet and the opening and closing of control powder outlet.
Further, interior powder storehouse and inner conical-tube are made up of removable liner plate, and this interior warehouse inwall is formed with annular lines.
Further, bulk cargo assembly comprises secondary dispersion impeller and main dispersion impeller, described in the groove that feeds intake aggregate is thrown on main dispersion impeller.
Further, selection by winnowing assembly comprises fan blade circular cone, main blade and auxiliary fan blade, and this fan blade circular cone, secondary dispersion impeller and main dispersion impeller are from top to bottom connected on main shaft successively, and main blade is arranged on fan blade circular cone, auxiliary fan blade is arranged on secondary dispersion impeller.
Further, upper aeroscopic plate group comprises the upper aeroscopic plate that polylith is evenly arranged along outer, interior powder storehouse, on this aeroscopic plate lateral arrangement horizontal by 20-60 ° of angle and the tilt adjustable of upper aeroscopic plate joint.
Further, by support, interior powder storehouse supposes that on this, aeroscopic plate is installed on support in outer warehouse.
Further, lower aeroscopic plate group comprises polylith and is arranged at the lower aeroscopic plate arranged below interior powder storehouse, along interior powder storehouse bottom even, in the angle of 60-80 ° between the outer wall of the longitudinal layout of this lower aeroscopic plate and conic tube, and the tilt adjustable of lower aeroscopic plate joint.
A kind of centrifugal aggregate gumming method, it is characterized in that, use above-mentioned centrifugal aggregate bugduster apparatus, concrete steps are as follows:
Step 1, selection by winnowing assembly starts, spindle drive motor drives main shaft and bulk cargo assembly and selection by winnowing assembly to rotate, and the air-flow that on this, aeroscopic plate group combing selection by winnowing assembly produces also imports in filler bin, forms ascending air in the air-flow in filler bin imports by this lower aeroscopic plate group in powder storehouse;
Step 2, aggregate enters interior powder storehouse from the groove that feeds intake, and throws on bulk cargo assembly under gravity;
Step 3, bulk cargo assembly produces centrifugal action along with main shaft High Rotation Speed, by aggregate even spreading on radial direction, is distributed to interior powder storehouse;
Step 4, coarse aggregate bears larger centrifugal force and is thrown on the inwall in interior powder storehouse, breaks through ascending air and sinks down in inner conical-tube, become the 1st meal because of deadweight;
Step 5, fine powder rises to selection by winnowing assembly along with air-flow, is subject to the effect of centrifugal force and ascending air, is separated into fine powder and the 2nd meal of desired particle size under the adjustment of selection by winnowing assembly;
Step 6, enters filler bin, along with down current is discharged from powder discharge pipe via the isolated fine powder of step 5 from the powder outlet discharge at top, interior powder storehouse;
Step 7, isolates the 2nd meal via step 5 and drops in inner conical-tube and mix with the 1st meal, discharged by aggregate discharge pipe.
The setting angle adjustment fine powder partition size that further, time the fine powder partition size of aggregate changes, adjustment motor speed changes circulating current size, the auxiliary fan blade of increase and decrease installs quantity and adjustment air guide mechanism.
From the above-mentioned description of this invention, compared with prior art, centrifugal aggregate bugduster apparatus provided by the invention and gumming method is used can to obtain following beneficial effect: one is mobility, the raising separating effect that upper aeroscopic plate group can increase air-flow in filler bin and interior warehouse; Two is that lower aeroscopic plate group forms the air-flow of twice rising in interior powder storehouse, improves the rate of climb, the separative efficiency of fine powder material; Three is that interior warehouse is made up of interior powder storehouse and inner conical-tube, is not only convenient to the mobility keeping in repair but also be conducive to improving air in interior warehouse; Four is can according to the instructions for use of aggregate adjustment spindle drive motor, matching relationship between selection by winnowing assembly and air guide mechanism, and then adjustment fine powder partition size.
Accompanying drawing explanation
Fig. 1 is the structural representation of the centrifugal aggregate of the present invention except powder equipment.
Fig. 2 is the internal structure schematic diagram of the centrifugal aggregate of the present invention except powder equipment.
Fig. 3 be in Fig. 2 C-C to sectional view.
Fig. 4 be in Fig. 2 D-D to sectional view.
Detailed description of the invention
Below by way of detailed description of the invention, the invention will be further described.
Shown in Fig. 4, centrifugal aggregate, except powder equipment, comprises outer warehouse 1, interior warehouse 2, support 3, filler bin 4, selection by winnowing assembly 5, air guide mechanism 6.
Powder discharge pipe 11 is provided with, powder discharge pipe 11 flange change position easy for installation bottom outer warehouse 1;
Interior warehouse 2 is nested in outer warehouse 1 by support 3, this interior warehouse 2 comprises interior powder storehouse 21, inner conical-tube 22, air inlet 23, the groove 24 that feeds intake, valve member 25, manhole 26, this interior powder storehouse 21, inner conical-tube about 22 are arranged and leave air inlet 23 between interior powder storehouse 21 and inner conical-tube 22, top, interior powder storehouse 21 is enclosed construction and is provided with powder outlet 211, aggregate discharge pipe 221 is had bottom this inner conical-tube 22, interior powder storehouse 21 and inner conical-tube 22 are made up of removable liner plate, and this inner conical-tube 22 inwall is formed with annular lines 222; The groove 24 that feeds intake extends in interior powder storehouse 21; Valve member 25 is installed on interior powder storehouse 21 for controlling powder outlet 211 opening and closing; Manhole 26 is arranged on correct position and facilitates internal overhaul and maintenance.
Filler bin 4 is the cavity between outer warehouse 1 and interior warehouse 2.
Selection by winnowing assembly 5 comprises main shaft 51, bulk cargo assembly 52, selection by winnowing assembly 53 and spindle drive motor 54, and main shaft 51 to stretch in interior powder storehouse 21 and is arranged on the axis of interior powder storehouse 21; Bulk cargo assembly 52 comprises secondary dispersion impeller 521 and main dispersion impeller 522, and aggregate is thrown to main dispersion impeller 522 by the groove 24 that feeds intake; Selection by winnowing assembly 53 comprises fan blade circular cone 531, main blade 532 and auxiliary fan blade 533, this fan blade circular cone 531, secondary dispersion impeller 521 and main dispersion impeller 522 are from top to bottom connected on main shaft 52 successively, and main blade 532 is arranged on fan blade circular cone 531, auxiliary fan blade 533 is arranged on secondary dispersion impeller 521; Spindle drive motor 54 is vertically arranged, carrys out drive shaft 51 by vee-belt, produces centrifugal force carry out classification by the rotation of fan blade circular cone 531.
Air guide mechanism 6 comprises and is arranged at upper aeroscopic plate group 61 in filler bin 4 and lower aeroscopic plate group 62;
On this, aeroscopic plate group 61 is arranged at air-flow that below selection by winnowing assembly 53, combing selection by winnowing assembly 5 produces and imports in filler bin 4, on this, aeroscopic plate group 61 comprises the upper aeroscopic plate 611 that polylith is evenly arranged along outer, interior powder storehouse 21, on this, aeroscopic plate 511 lateral arrangement is installed on support 3 horizontal by 20-60 ° of angle, upper aeroscopic plate 511 by bolt, the angle of inclination of adjustable upper aeroscopic plate 611;
Lower aeroscopic plate group 62 is arranged in air inlet 23 place of interior warehouse 2, ascending air is formed in powder storehouse 21 in being imported by air-flow in filler bin 4, this lower aeroscopic plate group 62 comprises polylith and is arranged at the lower aeroscopic plate 621 arranged below interior powder storehouse 21, along interior powder storehouse 21 bottom even, in the angle of 60-80 ° between the outer wall of the longitudinal layout of this lower aeroscopic plate 621 and conic tube, the tilt adjustable joint of lower aeroscopic plate 62.
Shown in Fig. 4, a kind of centrifugal aggregate gumming method, use above-mentioned centrifugal aggregate except powder equipment, concrete steps are as follows:
Step 1, selection by winnowing assembly 5 starts, spindle drive motor 54 drives main shaft 51 and bulk cargo assembly 52 and selection by winnowing assembly 53 to rotate, the air-flow that aeroscopic plate group 61 main blade produces for this imports in filler bin 4 through the annular space that upper aeroscopic plate group 61 surrounds, and forms ascending air in the air-flow in filler bin 4 imports by this lower aeroscopic plate group 62 in powder storehouse 21;
Step 2, aggregate enters interior powder storehouse 21 from the groove that feeds intake, and throws under gravity to main dispersion impeller 522;
Step 3, main dispersion impeller 522 produces centrifugal action along with main shaft 51 High Rotation Speed, by aggregate even spreading on radial direction, is distributed to interior powder storehouse 21;
Step 4, coarse aggregate bears larger centrifugal force and is thrown on the inwall in interior powder storehouse 21, breaks through ascending air and sinks down in inner conical-tube 22, become the 1st meal because of deadweight;
Step 5, fine powder rises to along with air-flow point constituency arriving and be provided with auxiliary fan blade 533, is subject to the effect of centrifugal force and ascending air, is separated into fine powder and the 2nd meal of desired particle size under auxiliary fan blade 533 adjusts;
Step 6, discharges via the powder outlet 211 of the isolated fine powder of step 5 from top, interior powder storehouse 21, and fine powder is absorbed by main blade 532 and enters in filler bin 4 towards top ejection, and fine powder is discharged from powder discharge pipe 11 along with down current;
Step 7, isolates the 2nd meal via step 5 and drops in inner conical-tube 22 and mix with the 1st meal, discharged by aggregate discharge pipe 221.
When the fine powder partition size of aggregate changes time, circulating current size is changed, by increasing and decreasing auxiliary fan blade 533, upper aeroscopic plate group 61, the installation quantity of lower aeroscopic plate group 62 and setting angle, adjustment valve opening adjustment fine powder partition size by adjustment spindle drive motor 54 rotating speed.
Above are only some detailed description of the invention of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (10)
1. centrifugal aggregate bugduster apparatus, comprise the outer warehouse that bottom is provided with powder discharge pipe, be nested in the interior warehouse in outer warehouse, cavity between outer warehouse and interior warehouse is filler bin, it is characterized in that: also comprise selection by winnowing assembly and air guide mechanism, described interior warehouse comprises the interior powder storehouse and inner conical-tube arranged up and down, and leave air inlet between interior powder storehouse and inner conical-tube, this top, interior powder storehouse is provided with the groove that feeds intake, aggregate discharge pipe is had bottom this inner conical-tube, described selection by winnowing assembly comprises and stretching in interior powder storehouse and the main shaft be arranged on the axis of interior powder storehouse, be arranged at the bulk cargo assembly on main shaft and selection by winnowing assembly, and drive the spindle drive motor of main axis, described air guide mechanism comprises and is arranged at upper aeroscopic plate group in filler bin and lower aeroscopic plate group, on this, aeroscopic plate group is arranged at air-flow that below selection by winnowing assembly, combing selection by winnowing assembly produces and imports in filler bin, the air inlet that this lower aeroscopic plate group is arranged in interior warehouse forms ascending air by the air-flow importing in filler bin in powder storehouse.
2. centrifugal aggregate bugduster apparatus according to claim 1, is characterized in that: top, described interior powder storehouse is enclosed construction, and is provided with the valve member of powder outlet and the opening and closing of control powder outlet.
3. centrifugal aggregate bugduster apparatus according to claim 1 and 2, is characterized in that: described interior powder storehouse and inner conical-tube are made up of removable liner plate, and the inwall of this inner conical-tube is formed with annular lines.
4. centrifugal aggregate bugduster apparatus according to claim 1, is characterized in that: described bulk cargo assembly comprises secondary dispersion impeller and main dispersion impeller, described in the groove that feeds intake aggregate is thrown on main dispersion impeller.
5. centrifugal aggregate bugduster apparatus according to claim 4, it is characterized in that: described selection by winnowing assembly comprises fan blade circular cone, main blade and auxiliary fan blade, this fan blade circular cone, secondary dispersion impeller and main dispersion impeller are from top to bottom connected on main shaft successively, and main blade is arranged on fan blade circular cone, auxiliary fan blade is arranged on secondary dispersion impeller.
6. centrifugal aggregate bugduster apparatus according to claim 1, it is characterized in that: described upper aeroscopic plate group comprises the upper aeroscopic plate that polylith is evenly arranged along outer, interior powder storehouse, on this aeroscopic plate lateral arrangement horizontal by 20-60 ° of angle and the tilt adjustable of upper aeroscopic plate joint.
7. centrifugal aggregate bugduster apparatus according to claim 6, is characterized in that: by support, described interior powder storehouse supposes that on this, aeroscopic plate is installed on support in outer warehouse.
8. the centrifugal aggregate bugduster apparatus according to claim 1 or 6, it is characterized in that: described lower aeroscopic plate group comprises polylith and is arranged at the lower aeroscopic plate arranged below interior powder storehouse, along interior powder storehouse bottom even, in the angle of 60-80 ° between the outer wall of the longitudinal layout of this lower aeroscopic plate and conic tube, and the tilt adjustable of lower aeroscopic plate joint.
9. centrifugal aggregate gumming method, is characterized in that, use the centrifugal aggregate bugduster apparatus described in above-mentioned any one claim, concrete steps are as follows:
Step 1, selection by winnowing assembly starts, spindle drive motor drives main shaft and bulk cargo assembly and selection by winnowing assembly to rotate, and the air-flow that on this, aeroscopic plate group combing selection by winnowing assembly produces also imports in filler bin, forms ascending air in the air-flow in filler bin imports by this lower aeroscopic plate group in powder storehouse;
Step 2, aggregate enters interior powder storehouse from the groove that feeds intake, and throws on bulk cargo assembly under gravity;
Step 3, bulk cargo assembly produces centrifugal action along with main shaft High Rotation Speed, by aggregate even spreading on radial direction, is distributed to interior powder storehouse;
Step 4, coarse aggregate bears larger centrifugal force and is thrown on the inwall in interior powder storehouse, breaks through ascending air and sinks down in inner conical-tube, become the 1st meal because of deadweight;
Step 5, fine powder rises to selection by winnowing assembly along with air-flow, is subject to the effect of centrifugal force and ascending air, is separated into fine powder and the 2nd meal of desired particle size under the adjustment of selection by winnowing assembly;
Step 6, enters filler bin, along with down current is discharged from powder discharge pipe via the isolated fine powder of step 5 from the powder outlet discharge at top, interior powder storehouse;
Step 7, isolates the 2nd meal via step 5 and drops in inner conical-tube and mix with the 1st meal, discharged by aggregate discharge pipe.
10. centrifugal aggregate gumming method according to claim 9, it is characterized in that: time the fine powder partition size of described aggregate changes, adjustment spindle drive motor changes installation quantity and the setting angle of circulating current size, increase and decrease selection by winnowing assembly and air guide mechanism, changes fine powder partition size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510154516.6A CN104785445A (en) | 2015-04-02 | 2015-04-02 | Centrifugal aggregate powder removing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510154516.6A CN104785445A (en) | 2015-04-02 | 2015-04-02 | Centrifugal aggregate powder removing device and method |
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| CN104785445A true CN104785445A (en) | 2015-07-22 |
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| CN201510154516.6A Pending CN104785445A (en) | 2015-04-02 | 2015-04-02 | Centrifugal aggregate powder removing device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301944A (en) * | 2020-02-25 | 2020-06-19 | 六安正辉优产机电科技有限公司 | Separating mechanism for efficiently removing impurities from seeds subjected to tedding/drying dehydration |
| CN111319993A (en) * | 2020-02-25 | 2020-06-23 | 六安正辉优产机电科技有限公司 | Method for quickly collecting, separating and removing impurities of seeds after airing or drying dehydration |
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| CN204544761U (en) * | 2015-04-02 | 2015-08-12 | 福建南方路面机械有限公司 | A kind of centrifugal aggregate bugduster apparatus |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002119920A (en) * | 2000-10-13 | 2002-04-23 | Kawasaki Heavy Ind Ltd | Air flow type classifier |
| US20040084556A1 (en) * | 2002-11-04 | 2004-05-06 | Alstom (Switzerland) Ltd | Hybrid turbine classifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301944A (en) * | 2020-02-25 | 2020-06-19 | 六安正辉优产机电科技有限公司 | Separating mechanism for efficiently removing impurities from seeds subjected to tedding/drying dehydration |
| CN111319993A (en) * | 2020-02-25 | 2020-06-23 | 六安正辉优产机电科技有限公司 | Method for quickly collecting, separating and removing impurities of seeds after airing or drying dehydration |
| CN111319993B (en) * | 2020-02-25 | 2021-05-25 | 江淮园艺南方(湛江)农业技术研发有限公司 | Method for quickly collecting, separating and removing impurities of seeds after airing or drying dehydration |
| CN111301944B (en) * | 2020-02-25 | 2021-09-28 | 李云 | Separating mechanism for efficiently removing impurities from seeds subjected to tedding/drying dehydration |
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Application publication date: 20150722 |
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