GB1075469A - An air classifier - Google Patents
An air classifierInfo
- Publication number
- GB1075469A GB1075469A GB2717164A GB2717164A GB1075469A GB 1075469 A GB1075469 A GB 1075469A GB 2717164 A GB2717164 A GB 2717164A GB 2717164 A GB2717164 A GB 2717164A GB 1075469 A GB1075469 A GB 1075469A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- grid
- gaps
- classified
- towards
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
1,075,469. Pneumatic separators. KLOCKNER-HUMBOLDT-DEUTZ A.G. July 1, 1964 [Aug. 2, 1963], No. 27171/64. Heading B2H. In an air classifier comprising a vertical chamber 1, e.g. of rectangular cross-section, through which a current of air flows from the bottom upwards and into which the material to be classified is fed through an opening 6 in one side of the chamber, an inclined grid 2 is arranged below the opening 6 and extends to the opposite side of the chamber where a discharge aperture 10 for the coarse particles is provided substantially at the level of the grid, the grid forming one or more gaps (5), Fig. 2 (not shown) extending in the same direction as the grid itself. The material to be classified is fed from a hopper 9 via a bucket wheel 8 which also serves as an air seal. The coarse particles are discharged through a conduit 11 provided with a bucket wheel 12 also forming an air seal. The air is fed at 3 and evacuated at 4. The grid bars are tear-shaped in cross-section so that the gaps between them widen towards the top. The width of the gaps, the grain size of the material to be classified and the air velocity in the vicinity of the grid are adapted to one another in such a manner that the course particles do not fall through the gaps and are not carried away by the air current but remain in suspension in the gaps or just above the grid and move towards the discharge aperture 10. The fine particles are carried by the air towards the aperture 4. In a modification, Fig. 3 (not shown), the material to be classified is introduced with the air through a bent pipe (13). A pivotable guide plate (15) guides that part of the stream, which due to the effect of centrifugal force in the bend (14) contains the material, towards the inlet opening (6') and the other part of the stream, i.e the bulk of the air, into the air inlet (3') below the grid (2').
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK0050415 | 1963-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1075469A true GB1075469A (en) | 1967-07-12 |
Family
ID=7225609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2717164A Expired GB1075469A (en) | 1963-08-02 | 1964-07-01 | An air classifier |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH410598A (en) |
DE (1) | DE1482446A1 (en) |
GB (1) | GB1075469A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108225719A (en) * | 2018-01-10 | 2018-06-29 | 山西农业大学 | Agricultural material floating velocity test device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103331261B (en) * | 2013-06-27 | 2015-07-01 | 山东亿恺仓储工程有限公司 | Cereal winnowing separation air duct |
-
1963
- 1963-08-02 DE DE19631482446 patent/DE1482446A1/en active Pending
-
1964
- 1964-05-29 CH CH705564A patent/CH410598A/en unknown
- 1964-07-01 GB GB2717164A patent/GB1075469A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108225719A (en) * | 2018-01-10 | 2018-06-29 | 山西农业大学 | Agricultural material floating velocity test device |
CN108225719B (en) * | 2018-01-10 | 2023-10-10 | 山西农业大学 | Agricultural material suspension speed testing device |
Also Published As
Publication number | Publication date |
---|---|
CH410598A (en) | 1966-03-31 |
DE1482446A1 (en) | 1969-08-07 |
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