GB302400A - Improvements in apparatus for the pneumatic separation or grading of solid materials - Google Patents
Improvements in apparatus for the pneumatic separation or grading of solid materialsInfo
- Publication number
- GB302400A GB302400A GB1818327A GB1818327A GB302400A GB 302400 A GB302400 A GB 302400A GB 1818327 A GB1818327 A GB 1818327A GB 1818327 A GB1818327 A GB 1818327A GB 302400 A GB302400 A GB 302400A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- air
- fan
- expanded
- plates
- 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
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/06—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds
Abstract
302,400. Woodall-Duckham (1920), Ltd., and Duckham, A. M. Oct. 8, 1927. Pneumatic separating.-In pneumatic separating apparatus, the air after passing through the separator is returned to the fan through a dustcollecting chamber so constructed that the air is suddenly expanded, travels through the chamber without change of direction, is again expanded and reverses its direction as it leaves the chamber. Fig. 2 shows one form of apparatus. The air from the separator enters a chamber b by a narrow passage d, the consequent expansion depositing dust in the pockets c with discharge conveyers f. At the top of the chamber adjustable plates g again compress the air which is expanded in the cover i and reverses its direction in passing to the off-takes h leading to the fan. Flaps k prevent deposit of dust in the suction pockets formed by the plates g. The cover is open at the bottom to avoid undue variation of pressure in the chamber. Fig. 4 shows a modification in which the off-takes h to the fan are arranged along the middle line of the chamber, and adjustable and extensible plates q are hinged a short distance from the sides to allow dust to slide down into the pockets e. Vent slots l which can be more or less closed by slides are provided in the sides of the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1818327A GB302400A (en) | 1927-10-08 | 1927-10-08 | Improvements in apparatus for the pneumatic separation or grading of solid materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1818327A GB302400A (en) | 1927-10-08 | 1927-10-08 | Improvements in apparatus for the pneumatic separation or grading of solid materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB302400A true GB302400A (en) | 1928-12-20 |
Family
ID=10108086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1818327A Expired GB302400A (en) | 1927-10-08 | 1927-10-08 | Improvements in apparatus for the pneumatic separation or grading of solid materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB302400A (en) |
-
1927
- 1927-10-08 GB GB1818327A patent/GB302400A/en not_active Expired
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