CN202316310U - Horizontal airflow classifier - Google Patents
Horizontal airflow classifier Download PDFInfo
- Publication number
- CN202316310U CN202316310U CN 201120452394 CN201120452394U CN202316310U CN 202316310 U CN202316310 U CN 202316310U CN 201120452394 CN201120452394 CN 201120452394 CN 201120452394 U CN201120452394 U CN 201120452394U CN 202316310 U CN202316310 U CN 202316310U
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- Prior art keywords
- gas flow
- sizing machine
- horizontal gas
- discharging
- flow sizing
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Abstract
The utility model discloses a horizontal airflow classifier which comprises a shell, wherein the lower part of the shell is provided with a feeding pipe and a rough material discharging part; the middle of the shell is provided with a material separation cone; the upper part of the shell is provided with a graded chamber; four sets of material grading devices and a discharging header pipe for outwards outputting graded materials are arranged in the graded chamber; each set of material grading device comprises a horizontal graded impeller driven by a high-speed high-frequency motor; the end part of the graded impeller is connected with a discharging branch pipe; and the discharging branch pipe is communicated with the discharging header pipe. The novel horizontal airflow classifier disclosed by the utility model has the advantages of large treatment capacity, high grading efficiency, stable material flow field, fine graded particle diameter, high grading precision and adjustable product granularity.
Description
Technical field
The utility model relates to powder material classifying equipoment technical field, specifically, relates to a kind of horizontal gas flow sizing machine.
Background technology
At present, what pursue when the powder industry is carried out classification to powder material is ultra-fine, and the superfine powder stage division mainly contains dry classification, wet classification and overcritical classification by the material state.Wherein, dry classification is a key of estimating superfine powder, even good more all to pieces, if grading effect is bad, also is difficult to obtain the product of the required grade of enterprise, equals that all that has been achieved is spoiled.Gas flow sizing machine is a dry classification equipment at present commonly used, mainly by classification casing, motor, and form by motor-driven grading wheel.But existing gas flow sizing machine ubiquity Cut size is thick, and classification efficiency is low, and the device processes ability is little, and problems such as energy consumption height bring expensive, big input for capital expenditure and production, cause great waste.
Summary of the invention
The utility model technical problem to be solved is: provide a kind of material flow field stable, Cut size is thin, and effectiveness of classification is high, the horizontal gas flow sizing machine that classification efficiency is high.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of horizontal gas flow sizing machine, comprise housing, and said lower part of frame is provided with feed pipe and coarse fodder discharge portion; The middle part of said housing is provided with the sub-material cone; The top of said housing is provided with the classification chamber, the discharge header pipe that is provided with the stock grading device in the said classification chamber and the material after the classification is outwards exported, and described stock grading device has quadruplet; The described stock grading device of every cover comprises the horizontally disposed classifying turbine that is driven by high-speed induction motor, and the end of said classifying turbine is connected with the discharging arm, and said discharging arm is communicated with said discharge header pipe.
As preferably, also be provided with toroidal membrane near the outside, end of said classifying turbine, said toroidal membrane is divided into said classification chamber and the interior blowback chamber of atmosphere and the outer classification chamber that communicates with the middle part of said housing.
As preferably, also be provided with the labyrinth seal plate between the outside, the end of said classifying turbine and the said toroidal membrane.
As preferably, also be provided with secondary wind portion between the middle part of said housing and the lower part of frame.
As preferably, said secondary wind portion is scroll casing shape; Be interval with multi-disc wind speed adjustment plate in the secondary wind portion of said scroll casing shape; The air inlet place of said secondary wind portion is provided with air door.
As preferably, said coarse fodder discharge portion comprises the discharging cone, and the discharging opening of said discharging cone is connected with automatic discharge unit.
As preferably, said automatic discharge unit is the star discharger.
As preferably, said sub-material cone is a hollow structure.
As preferably, it is cone-shaped that the middle part of said housing is octagon.
As preferably, be provided with the compressed air inlet that is communicated with its main shaft near the output of said high-speed induction motor.
Owing to adopted technique scheme; The beneficial effect of the utility model is: because the lower housing portion of the horizontal gas flow sizing machine of the utility model is provided with feed pipe and coarse fodder discharge portion; The housing middle part is provided with the sub-material cone; Housing top is provided with the classification chamber, the discharge header pipe that is provided with quadruplet stock grading device in the said classification chamber and the material after the classification is outwards exported; Every cover stock grading device comprises the horizontally disposed classifying turbine that is driven by high-speed induction motor, and the end of each classifying turbine is connected with the discharging arm, and said discharging arm is communicated with said discharge header pipe.The horizontal gas flow sizing machine of the utility model is in when operation, pulverizes powder material after grinding under the effect of high-pressure suction fan draft by preceding working procedure, got in the grader by the feed pipe of lower housing portion; And move upward with ascending air; After the sub-material cone in the classified machine, material is evenly dispersed, and gets into the classification chamber of grader then; In the classification chamber; Four classifying turbines drive high speed rotating down at high-speed induction motor, under the acting in conjunction of the centripetal force of powerful centrifugal force that classifying turbine produced and the generation of high-pressure suction fan gravitation, the thickness material are separated.Like this, meet the impeller clearance entering discharging arm of the fine grained of particle diameter requirement, after discharge header pipe is compiled, discharge through classifying turbine; Coarse granule is carried the inwall that the parts of fine particle is thrown to the classification chamber secretly, hits that speed disappears behind the wall, drops to coarse fodder discharge portion and is discharged from along the inwall of housing afterwards.Because the horizontal gas flow sizing machine of the utility model is provided with quadruplet stock grading device, every cover drives that classifying turbine rotates at a high speed and the separation that realizes the thickness material by high-speed induction motor, thereby the material flow field is stable; Cut size is thin; Effectiveness of classification is high, and the device processes amount is big, and classification efficiency is high; Owing to adopt high-speed induction motor, thereby just can adjust the size of centrifugal force in the grader, reach the purpose of the material of telling designated size, make product granularity adjustable through the rotating speed of variable frequency adjustment classifying turbine.
Owing to also be provided with toroidal membrane near the outside, the end of said classifying turbine, said toroidal membrane is divided into said classification chamber and the interior blowback chamber of atmosphere and the outer classification chamber that communicates with the middle part of said housing.Interior blowback air cavity is the passage of natural atmosphere, and atmosphere gets between back and the outer classification chamber and forms pressure differential, can prevent that bulky grain from getting into the discharging arm.
Owing between the middle part of housing and bottom, also be provided with secondary wind portion; Coarse granule is carried the inwall that the parts of fine particle is thrown to outer classification chamber secretly, hits that speed disappears behind the wall, drops to the secondary wind portion (can control the size of intake through the air door of regulating the secondary wind place) of scroll casing shape again along the inwall of housing; Under the strong elutriation effect of secondary wind; Make the thickness particle separation, fine grained rises to outer classification chamber by the secondary classification, and coarse granule descends through to the automatic discharge unit of bottom, discharging.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure cross-sectional schematic of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Among the figure: the 1-upper body; The 2-high-speed induction motor; The 3-compressed air inlet; 4-labyrinth seal plate; 5-discharging arm; The 6-discharge header pipe; The outer classification chamber of 7-; Blowback chamber in the 8-; The 81-toroidal membrane; The 9-classifying turbine; 10-sub-material cone; The 11-central enclosure; The 12-bearing; 13-secondary wind portion; The 14-air door; 15-wind speed adjustment plate; The 16-lower case; The 17-feed pipe; 18-discharging cone; The 19-automatic discharge unit; The outlet of 20-coarse fodder.
The specific embodiment
Shown in Fig. 1 and Fig. 2 are common; A kind of horizontal gas flow sizing machine comprises housing, and said housing is formed by connecting through bolt upper body 1, central enclosure 11 and lower case 16; Wherein, between central enclosure 11 and lower case 16, go back bolt and be connected with secondary wind portion 13.Said lower part of frame is provided with feed pipe 17.In central enclosure 11, be provided with sub-material cone 10, said sub-material cone 10 is a hollow structure, and it is cone-shaped that said central enclosure 11 is octagon, is provided with four bearings 12 on the outer wall top of central enclosure 11, is used for handling or complete machine is installed.Be provided with the classification chamber in the upper body 1, the discharge header pipe 6 that is provided with the stock grading device in the said classification chamber and the material after the classification is outwards exported, described stock grading device has quadruplet; The described stock grading device of every cover comprises the horizontally disposed classifying turbine 9 that is driven by high-speed induction motor 2, and the end of each said classifying turbine 9 is connected with discharging arm 5, and said discharging arm 5 is welded to connect with said discharge header pipe 6.Adopt quadruplet stock grading device that material is separated, thereby the material flow field is stable, Cut size is thin, and effectiveness of classification is high, and the device processes amount is big, and classification efficiency is high; Just can adjust the size of centrifugal force in the grader through the rotating speed of variable frequency adjustment classifying turbine 9, reach the purpose of the material of telling designated size, make product granularity adjustable.
Wherein, also be provided with toroidal membrane 81 near the outside, the end of said classifying turbine 9, said toroidal membrane 81 is divided into said classification chamber and the interior blowback chamber 8 of atmosphere and the outer classification chamber 7 that communicates with the middle part of said housing.Because interior blowback chamber 8 passage that is natural atmospheres, atmosphere get between back and the outer classification chamber 7 and form pressure differential, so can prevent bulky grain entering discharging arm 5, guarantee by discharge header pipe 6 see off whole be to meet the small particles material that particle diameter requires.
Wherein, Also be provided with labyrinth seal plate 4 between the outside, end of said classifying turbine 9 and the said toroidal membrane 81; Form gas pressure difference between labyrinth seal plate 4 and the classifying turbine 9, can prevent that bulky grain from getting into discharging arm 5 by the gap between classifying turbine 9 and the labyrinth seal plate 4.
Wherein, the secondary wind portion 13 between central enclosure 11 and the lower case 16 is scroll casing shape; Be welded with multi-disc wind speed adjustment plate 15 in the secondary wind portion 13 of said scroll casing shape at interval; The air inlet place of said secondary wind portion 13 is provided with air door 14, and air door 14 is used bolt, the size of convenient adjustment intake.Under the strong elutriation effect of secondary wind, can carry out secondary separation to carrying the fine grain coarse granule of part secretly.
Wherein, lower case 16 is a coarse fodder discharge portion, comprises discharging cone 18, and the discharging opening of said discharging cone 18 is connected with automatic discharge unit 19, the said automatic discharge unit 19 preferred star dischargers that adopt, and the discharging opening of star discharger connects coarse fodder outlet 20.
Wherein, the output near said high-speed induction motor 2 is provided with the compressed air inlet 3 that is communicated with its main shaft.The compressed air that feeds plays the cooling protection effect to the main shaft of high-speed induction motor 2, can prolong the service life of motor.
Operation principle: the horizontal gas flow sizing machine of the utility model, is got in the graders by feed pipe 17 under the effect of high-pressure suction fan draft by the powder material after the preceding working procedure pulverizing grinding when operation; And move upward with ascending air; After the sub-material cone 10 in the classified machine, material is evenly dispersed, and gets into the outer classification chamber 7 of grader then; Outside in the classification chamber 7; Four classifying turbines 9 drive high speed rotating down at high-speed induction motor 2, under the acting in conjunction of the centripetal force of powerful centrifugal force that classifying turbine 9 is produced and the generation of high-pressure suction fan gravitation, the thickness material are separated.Like this, meet the impeller clearance entering discharging arm 5 of the fine grained of particle diameter requirement, after discharge header pipe 6 is compiled, discharge through classifying turbine 9; Carry the inwall that the fine grain coarse granule of part then is thrown to outer classification chamber 7 secretly; Speed disappears after hitting wall, and the inwall along central enclosure 11 drops to secondary wind portion 13 afterwards, under the strong elutriation effect of secondary wind (can control the size of intake through damper 14); The thickness particle is separated once more; Fine grained rises to outer classification chamber 7 by the secondary classification, and coarse granule then drops to automatic discharge unit 19 along discharging cone 18, discharges from feed opening 20 then.
The above is giving an example of the utility model preferred forms, and the part of wherein not addressing in detail is those of ordinary skills' common practise.The protection domain of the utility model is as the criterion with the content of claim, and any teachings and equivalent transformation of carrying out based on the utility model is also within the protection domain of the utility model.
Claims (10)
1. horizontal gas flow sizing machine; Comprise housing; Said lower part of frame is provided with feed pipe and coarse fodder discharge portion, and the middle part of said housing is provided with the sub-material cone, and the top of said housing is provided with the classification chamber; The discharge header pipe that is provided with the stock grading device in the said classification chamber and the material after the classification is outwards exported, it is characterized in that: described stock grading device has quadruplet; The described stock grading device of every cover comprises the horizontally disposed classifying turbine that is driven by high-speed induction motor, and the end of said classifying turbine is connected with the discharging arm, and said discharging arm is communicated with said discharge header pipe.
2. horizontal gas flow sizing machine as claimed in claim 1; It is characterized in that: the outside, end near said classifying turbine also is provided with toroidal membrane; Said toroidal membrane is divided into said classification chamber and the interior blowback chamber of atmosphere and the outer classification chamber that communicates with the middle part of said housing.
3. horizontal gas flow sizing machine as claimed in claim 2 is characterized in that: also be provided with the labyrinth seal plate between the outside, end of said classifying turbine and the said toroidal membrane.
4. horizontal gas flow sizing machine as claimed in claim 1 is characterized in that: also be provided with secondary wind portion between the middle part of said housing and the lower part of frame.
5. horizontal gas flow sizing machine as claimed in claim 4 is characterized in that: said secondary wind portion is scroll casing shape; Be interval with multi-disc wind speed adjustment plate in the secondary wind portion of said scroll casing shape; The air inlet place of said secondary wind portion is provided with air door.
6. horizontal gas flow sizing machine as claimed in claim 1 is characterized in that: said coarse fodder discharge portion comprises the discharging cone, and the discharging opening of said discharging cone is connected with automatic discharge unit.
7. horizontal gas flow sizing machine as claimed in claim 6 is characterized in that: said automatic discharge unit is the star discharger.
8. horizontal gas flow sizing machine as claimed in claim 1 is characterized in that: said sub-material cone is a hollow structure.
9. horizontal gas flow sizing machine as claimed in claim 1 is characterized in that: it is cone-shaped that the middle part of said housing is octagon.
10. like each described horizontal gas flow sizing machine of claim 1 to 9, it is characterized in that: the output near said high-speed induction motor is provided with the compressed air inlet that is communicated with its main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120452394 CN202316310U (en) | 2011-11-15 | 2011-11-15 | Horizontal airflow classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120452394 CN202316310U (en) | 2011-11-15 | 2011-11-15 | Horizontal airflow classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202316310U true CN202316310U (en) | 2012-07-11 |
Family
ID=46428309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120452394 Expired - Lifetime CN202316310U (en) | 2011-11-15 | 2011-11-15 | Horizontal airflow classifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202316310U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639119A (en) * | 2013-12-11 | 2014-03-19 | 青岛世纳机械设备有限公司 | Micron-grade energy-saving type double-impeller superfine classifier |
| CN104415915A (en) * | 2013-09-09 | 2015-03-18 | 唐金祥 | Horizontal fine grading machine |
| CN106694366A (en) * | 2017-01-11 | 2017-05-24 | 江苏密友粉体新装备制造有限公司 | Large micron classifier |
-
2011
- 2011-11-15 CN CN 201120452394 patent/CN202316310U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104415915A (en) * | 2013-09-09 | 2015-03-18 | 唐金祥 | Horizontal fine grading machine |
| CN103639119A (en) * | 2013-12-11 | 2014-03-19 | 青岛世纳机械设备有限公司 | Micron-grade energy-saving type double-impeller superfine classifier |
| CN106694366A (en) * | 2017-01-11 | 2017-05-24 | 江苏密友粉体新装备制造有限公司 | Large micron classifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |