GB1265803A - - Google Patents
Info
- Publication number
- GB1265803A GB1265803A GB2147368A GB1265803DA GB1265803A GB 1265803 A GB1265803 A GB 1265803A GB 2147368 A GB2147368 A GB 2147368A GB 1265803D A GB1265803D A GB 1265803DA GB 1265803 A GB1265803 A GB 1265803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibres
- screen
- classification
- dispersion
- liquid
- 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
- 239000006185 dispersion Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 3
- 230000000717 retained effect Effects 0.000 abstract 2
- 239000010425 asbestos Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000003134 recirculating effect Effects 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/362—Material before processing, e.g. bulk cotton or wool
-
- 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
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Textile Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Paper (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
1,265,803. Wet separating. AVIATION SUPPLY, MINISTER OF. 7 Aug., 1969 [7 May, 1968], No. 21473/68. Heading B2H. [Also in Divisions Dl and D2] Fibres e.g. of asbestos, are classified for length by feeding a liquid dispersion of the fibres onto a circulating endless screen having a mesh size such that longer fibres are retained thereon as a thin layer and the major part of the fibres and liquid are passed through the screen by centrifugal force for collection and perhaps recirculation and further classification. The retained fibres are removed from the screen by a jet of gas directed thereon at a subsequent part of its travel. The' screen may be formed by a horizontal rotating cylinder, the dispersion being fed tangentially by a supply weir onto the inside of the cylinder at its lower part and the fibres removed by an air jet directed from outside the upper part of the cylinder for collection by suction into a chamber through an elongated orifice extending over the full width of the screen. The liquid may be partly supplied at a washing position between dispersion supply and fibre removing stations. Modifications include a screen divided into two or more sections perhaps of different mesh sizes and recirculating systems for successive and/or graded classification of fibres. The length classification may be preceded by a diameter classification using a hydrocyclone or an elutriation column.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2147368 | 1968-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1265803A true GB1265803A (en) | 1972-03-08 |
Family
ID=10163543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2147368A Expired GB1265803A (en) | 1968-05-07 | 1968-05-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3633743A (en) |
| CH (1) | CH490898A (en) |
| DE (1) | DE1923230C3 (en) |
| FR (1) | FR2009860A1 (en) |
| GB (1) | GB1265803A (en) |
| NL (1) | NL6906953A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA981215A (en) * | 1972-08-31 | 1976-01-06 | Highratio Screens Ltd. | Pulp stock pressure screen |
| US4250024A (en) * | 1979-03-15 | 1981-02-10 | Vacu*Blast Corporation | Glass bead separator |
| SE462597B (en) * | 1988-11-25 | 1990-07-23 | Celleco Ab | PROCEDURE AND DEVICE FOR FRACTIONING OF SUSPENSIONS |
| SE465967B (en) * | 1990-04-11 | 1991-11-25 | Celleco Ab | PROCEDURE AND DEVICE FOR SEPARATION OF A FIBER SUSPENSION |
| DE19509796C1 (en) * | 1995-03-17 | 1996-05-09 | Umwelt Technics Nord Gmbh | Screening device to separate small granules from crushed material |
| GB2365027B (en) * | 2000-07-28 | 2003-12-31 | Notetry Ltd | Laundry Appliance |
| GB0109686D0 (en) * | 2001-04-18 | 2001-06-13 | Univ Cardiff | Cementitious mixtures |
| CA2455481A1 (en) * | 2003-01-24 | 2004-07-24 | Radix Systems Limited | Method and apparatus for processing articles |
| US20090038996A1 (en) * | 2007-08-06 | 2009-02-12 | Sedore Kevin J | Coin retrieval from refuse |
| US9329162B2 (en) * | 2012-02-08 | 2016-05-03 | Uster Technologies Ag | Auto micronaire |
| FR3114479B1 (en) | 2020-09-29 | 2023-01-13 | Kuhn Sas | Trailed agricultural harvesting machine with an adjustable axle |
| CN112871626A (en) * | 2021-01-08 | 2021-06-01 | 安徽天枫智能科技有限公司 | Intelligent environmental protection screening equipment |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US138823A (en) * | 1873-05-13 | Improvement in rotary sieves | ||
| US158626A (en) * | 1875-01-12 | Improvement in flour-bolts | ||
| US1882662A (en) * | 1929-06-10 | 1932-10-18 | Anton J Haug | Centrifugal paperstock screen |
| US2653521A (en) * | 1945-11-10 | 1953-09-29 | Ahlfors Sten Eskil Einarsson | Apparatus for wet-treating fibrous matters |
| US2748951A (en) * | 1951-05-04 | 1956-06-05 | Dubach Max | Device for separating solid particles from liquids |
| US2751079A (en) * | 1953-01-02 | 1956-06-19 | Smidth & Co As F L | Method of screening |
| US2845848A (en) * | 1956-01-23 | 1958-08-05 | North Carolina Pulp Company | Apparatus for screening pulp |
| US2910142A (en) * | 1958-08-29 | 1959-10-27 | John O Almen | Means of lubricating gears |
| US3024911A (en) * | 1958-09-15 | 1962-03-13 | Celleco Ab | Method of assorting, dewatering or the like of fibrous material suspended in water |
| FR1271054A (en) * | 1960-01-22 | 1961-09-08 | E Et M Lamort Fils | Classifying apparatus for the purification by sieving of liquids containing suspended solid particles and in particular cellulose pulps |
| US3145164A (en) * | 1960-02-12 | 1964-08-18 | Stamicarbon | Apparatus for wet-screening a mixture of fine abrasive particles |
| US3276854A (en) * | 1963-11-05 | 1966-10-04 | Western Electric Co | Method and apparatus for assembling wires in a plurality of apertured parts |
| US3394809A (en) * | 1965-01-25 | 1968-07-30 | Hunter Allen Bruce | Pulp screens |
| SE305122B (en) * | 1965-02-02 | 1968-10-14 | I Nilsson | |
| GB1181363A (en) * | 1966-01-21 | 1970-02-18 | Nat Res Dev | Process and Apparatus for Classifying Fibres |
-
1968
- 1968-05-07 GB GB2147368A patent/GB1265803A/en not_active Expired
-
1969
- 1969-05-05 US US821850A patent/US3633743A/en not_active Expired - Lifetime
- 1969-05-06 FR FR6914513A patent/FR2009860A1/en active Pending
- 1969-05-07 DE DE1923230A patent/DE1923230C3/en not_active Expired
- 1969-05-07 NL NL6906953A patent/NL6906953A/xx unknown
- 1969-05-07 CH CH696169A patent/CH490898A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1923230A1 (en) | 1970-02-05 |
| DE1923230B2 (en) | 1975-02-06 |
| DE1923230C3 (en) | 1975-09-11 |
| NL6906953A (en) | 1969-11-11 |
| CH490898A (en) | 1970-05-31 |
| US3633743A (en) | 1972-01-11 |
| FR2009860A1 (en) | 1970-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |