CN203695426U - Ultrafine powder airflow classifier - Google Patents
Ultrafine powder airflow classifier Download PDFInfo
- Publication number
- CN203695426U CN203695426U CN201420026338.XU CN201420026338U CN203695426U CN 203695426 U CN203695426 U CN 203695426U CN 201420026338 U CN201420026338 U CN 201420026338U CN 203695426 U CN203695426 U CN 203695426U
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- classification
- grading
- wheel assembly
- feed pipe
- ultrafine powder
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Abstract
The utility model relates to an ultrafine powder airflow classifier and belongs to the technical field of mechanical manufacturing. The ultrafine powder airflow classifier is mainly characterized in that a feed pipe is arranged on the lower portion of a classification chamber, a powder outlet pipe and a transmission assembly are arranged on the upper portion of the classification chamber, the transmission assembly is coaxially connected with a classification wheel assembly arranged in the classification chamber, classification blades are arranged on the classification wheel assembly, and a conical classification cap is fixedly arranged at the top end of the classification wheel assembly. A volute is arranged in the connection position of the classification chamber and the feed pipe, and a secondary air inlet valve plate is arranged on the volute. A return pipe is arranged on the volute. The upper portion of the classification chamber is cylindrical, and the lower portion of the classification chamber is conical. An elutriator and a secondary air inlet regulating plate are arranged on the classification chamber, and the classification wheel assembly is of a conical frustum structure. The ultrafine powder airflow classifier is simple in structure and high in classification efficiency and classification precision, classified products do not contain large particles, and the classified product particle levels are in normal distribution. The ultrafine powder airflow classifier can be used in cooperation with a pulverizer and can also be used independently or connected with other ultrafine powder airflow classifiers in series for use.
Description
One, technical field
The utility model relates to a kind of mineral powders gas flow sizing machine, and specifically a kind of superfine powder gas flow sizing machine, belongs to mechanized equipment manufacturing technology field.
Two, background technology
Dry method mechanical equipment is commonly used in the super fine powder of nonmetallic ore and classification; flour mill grinds mineral material to be delivered to superfine classifier by wind-force and carry out classification afterwards; the satisfactory superfine powder of grain fineness enters collector collection through grader discharge pipe and is finished product, and coarse granule falls after rise into flour mill and continues to grind.Grader is divided into built-in and external, and grader can be divided into plain edition and superfine type.It is mainly made up of plain edition grader motor, reductor, main shaft, grading wheel, blade, housing etc.Be subject to the impact of physical dimension and machining accuracy, plain edition grader blade and seal clearance are larger, easily form the bulky grain phenomenon in product, have affected grader precision, and classification efficiency declines.Graded blade, grading wheel and the hermetically-sealed construction of superfine classifier all carried out specialized designs and Precision Machining, rotatable parts and carry out dynamic balance check, and the rotating speed of grading wheel is higher, and effectiveness of classification is high, and in product, without bulky grain, product fineness is normal distribution.Built-in classifying machine is that grader is directly placed in to flour mill top, and external grader is placed in flour mill outside, can separate unit or many series connection and collector be connected.
Three, utility model content
The purpose of this utility model is low in order to solve existing superfine classifier classification efficiency, easily has bulky grain phenomenon in graded product, thereby a kind of new technical scheme is provided.
For achieving the above object, the utility model can be achieved through the following technical solutions:
A kind of superfine powder gas flow sizing machine, it is to be provided with feed pipe, grading room and flour extraction pipe on the housing of sealing, feed pipe is arranged on the bottom of housing, flour extraction pipe is arranged on the top of housing, and the grading room being provided with on feed pipe top, is provided with feed pipe in the bottom of grading room, be provided with flour extraction pipe and drive assembly on the top of grading room, drive assembly is coaxially connected with the grading wheel assembly being located in grading room, on grading wheel assembly, is provided with graded blade, and top is fixed with classfied cone cap; Be provided with spiral case at grading room and feed pipe junction, spiral case is provided with secondary air valve plate; Described refeed line is arranged on spiral case; On described grading room, part is cylindrical shape, and lower part is conical.
Lower end at grading room is provided with elutriator, and described elutriator is inside and outside annular circular cone structure, and the frustum of a cone is up big and down small, is provided with 1-5mm gap between the inside and outside frustum of a cone, intersection length 40-90mm.
The grading wheel of described grading wheel assembly is circular cone structure, up big and down small, and its tapering is 15-20 °.
Described spiral case is annular square opening structure, is provided with secondary air valve plate in end.
The beneficial effect that the utility model compared with prior art had is: simple in structure, stable, production process is simplified, the adjustable control of speed, and classification efficiency and effectiveness of classification improve.
The utility model is obvious in the super-fine classified middle result of use of the nonmetallic mineral materials such as kaolin, talcum, gypsum, sepiolite, barite, calcite, the sub-micron-powder grating of classification is normal distribution, grading is accurate, without bulky grain, has improved product quality.
Regulate secondary air register to open size, can control, improve classification efficiency, stable, reliable product quality.
Four, brief description of the drawings
Accompanying drawing is a kind of exemplary construction schematic diagram of the utility model.
In figure: 1, feed pipe, 2, elutriator, 3, spiral case, 4, secondary air valve plate, 5, classfied cone cap, 6, grading room, 7, grading wheel assembly, 8, flour extraction pipe, 9, drive assembly, 10, refeed line.
Five, detailed description of the invention
With specific embodiment, the utility model is described in further details by reference to the accompanying drawings now:
A kind of superfine powder gas flow sizing machine, this device is connected and is formed by feed pipe 1, elutriator 2, spiral case 3, secondary air valve plate 4, classfied cone cap 5, grading room 6, grading wheel assembly 7, flour extraction pipe 8, drive assembly 9, refeed line 10.
Feed pipe 1 of the present utility model and refeed line 10 are in the bottom of equipment, and middle part is spiral case 3 and grading room 6, and drive assembly 9 and flour extraction pipe 8 are arranged on top.The superfine powder that flour mill grinds out enters grading room 6 with air-flow by feed pipe 1, disperse through classfied cone cap 5, form stable laminar flow mixing field, the superfine powder of laminarization is through 7 classifications of circular cone bench-type grading wheel assembly, the superfine powder that fineness is qualified rises to fine powder flour extraction pipe 8 through the blade of grading wheel assembly 7, enter collector, meal falls and continues to grind through 10 times flour mills of refeed line.Classfied cone cap 5 and grading wheel assembly 7 High Rotation Speed under the power drive of drive assembly 9, superfine powder in flow field of mixed layers enters product-collecting device by grading wheel assembly 7 through flour extraction pipe 8, middle meal is thrown to grading room 6 inwalls and falls, run into from the secondary air of spiral case 3 at elutriator 2 places, High Rotation Speed air-flow blows afloat the middle meal before elutriator 2, again enter grading room 6, fine particle rises and enters grading wheel assembly 7, complete secondary grading, meal drops to refeed line 10 discharges, and also accessible grinder continues to grind.
Adjusting is arranged on the secondary air valve plate 4 opening sizes on spiral case 3, can control the elutriation efficiency of elutriator 2.On described grading room 6, part is cylindrical shape, and lower part is conical.Feed pipe 1 and refeed line 10 are in device bottom, and middle part is grading room 6, and top is drive assembly 9, and product flour extraction pipe 8 is at equipment top.
Elutriator 2 is inside and outside annular circular cone structure, and the frustum of a cone is up big and down small, is provided with 5mm gap between the inside and outside frustum of a cone, intersection length 60mm.
The grading wheel of grading wheel assembly 7 is circular cone structure, up big and down small, and its tapering is 18 °.
Spiral case 3 is annular square opening structure, is provided with secondary air valve plate 4 in end.
The utility model is in classification process, grading room 6 is provided with secondary air inlet, on secondary air inlet, be provided with secondary air valve plate 4, and be provided with elutriator 2, regulate secondary air valve plate 4 can control secondary air inlet size, the High Rotation Speed air-flow that isolated middle meal again can be entered before elutriator 2 to grading room 6 blows afloat, and fine particle rises and enters dispersion, stepped zone, has improved classification efficiency and abrasive dust equipment yield.
Claims (4)
1. a superfine powder gas flow sizing machine, it is to be provided with feed pipe on the housing of sealing, grading room and flour extraction pipe, feed pipe is arranged on the bottom of housing, flour extraction pipe is arranged on the top of housing, and the grading room being provided with on feed pipe top, it is characterized in that: be provided with feed pipe (1) in the bottom of grading room (6), be provided with flour extraction pipe (8) and drive assembly (9) on the top of grading room (6), drive assembly (9) is coaxially connected with the grading wheel assembly (7) being located in grading room (6), on grading wheel assembly (7), be provided with graded blade, top is fixed with classfied cone cap (5), be provided with spiral case (3) in grading room (6) and feed pipe (1) junction, spiral case (3) is provided with secondary air valve plate (4), described refeed line (10) is arranged on spiral case (3), the upper part of described grading room (6) is cylindrical shape, and lower part is conical.
2. a kind of superfine powder gas flow sizing machine according to claim 1, it is characterized in that: be provided with elutriator (2) in the lower end of grading room (6), described elutriator (2) is inside and outside annular circular cone structure, the frustum of a cone is up big and down small, between the inside and outside frustum of a cone, be provided with 1-5mm gap, intersection length 40-90mm.
3. a kind of superfine powder gas flow sizing machine according to claim 1, is characterized in that: the grading wheel of described grading wheel assembly (7) is circular cone structure, up big and down small, and its tapering is 15-20 °.
4. a kind of superfine powder gas flow sizing machine according to claim 1, is characterized in that: described spiral case (3) is annular square opening structure, is provided with secondary air valve plate (4) in end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026338.XU CN203695426U (en) | 2014-01-07 | 2014-01-07 | Ultrafine powder airflow classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026338.XU CN203695426U (en) | 2014-01-07 | 2014-01-07 | Ultrafine powder airflow classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203695426U true CN203695426U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420026338.XU Expired - Fee Related CN203695426U (en) | 2014-01-07 | 2014-01-07 | Ultrafine powder airflow classifier |
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| CN (1) | CN203695426U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368528A (en) * | 2014-11-17 | 2015-02-25 | 王树波 | Separator capable of controlling particle size distribution in high-precision mode |
| CN104923795A (en) * | 2015-06-17 | 2015-09-23 | 吉林市凯尔维特机电设备有限责任公司 | Magnetic material powder manufacturing process and magnetic powder classifier thereof |
| CN108014903A (en) * | 2017-12-29 | 2018-05-11 | 贵州山王果健康实业有限公司 | A kind of Rosa roxburghii Tratt slag is classified processing equipment |
| CN109453998A (en) * | 2018-12-24 | 2019-03-12 | 上海博隆粉体工程有限公司 | A kind of high-precision air-flow winnowing machine |
| CN110694903A (en) * | 2018-07-09 | 2020-01-17 | 福建南方路面机械有限公司 | Fine stone powder separation equipment and use method thereof |
-
2014
- 2014-01-07 CN CN201420026338.XU patent/CN203695426U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368528A (en) * | 2014-11-17 | 2015-02-25 | 王树波 | Separator capable of controlling particle size distribution in high-precision mode |
| CN104923795A (en) * | 2015-06-17 | 2015-09-23 | 吉林市凯尔维特机电设备有限责任公司 | Magnetic material powder manufacturing process and magnetic powder classifier thereof |
| CN104923795B (en) * | 2015-06-17 | 2017-09-05 | 吉林市凯尔维特机电设备有限责任公司 | A kind of magnetic material flouring technology |
| CN108014903A (en) * | 2017-12-29 | 2018-05-11 | 贵州山王果健康实业有限公司 | A kind of Rosa roxburghii Tratt slag is classified processing equipment |
| CN108014903B (en) * | 2017-12-29 | 2024-04-12 | 贵州山王果健康实业有限公司 | Rosa roxburghii slag classification equipment |
| CN110694903A (en) * | 2018-07-09 | 2020-01-17 | 福建南方路面机械有限公司 | Fine stone powder separation equipment and use method thereof |
| CN110694903B (en) * | 2018-07-09 | 2024-03-01 | 福建南方路面机械股份有限公司 | Fine stone powder separating equipment and using method thereof |
| CN109453998A (en) * | 2018-12-24 | 2019-03-12 | 上海博隆粉体工程有限公司 | A kind of high-precision air-flow winnowing machine |
| CN109453998B (en) * | 2018-12-24 | 2024-03-29 | 上海博隆装备技术股份有限公司 | High-precision airflow winnowing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180107 |