CA2087178A1 - Blender with virtual baffle of particulate material - Google Patents
Blender with virtual baffle of particulate materialInfo
- Publication number
- CA2087178A1 CA2087178A1 CA002087178A CA2087178A CA2087178A1 CA 2087178 A1 CA2087178 A1 CA 2087178A1 CA 002087178 A CA002087178 A CA 002087178A CA 2087178 A CA2087178 A CA 2087178A CA 2087178 A1 CA2087178 A1 CA 2087178A1
- Authority
- CA
- Canada
- Prior art keywords
- blender
- particulate material
- baffle
- blending
- conduits
- 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.)
- Granted
Links
- 239000011236 particulate material Substances 0.000 title abstract 5
- 238000002156 mixing Methods 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229920000426 Microplastic Polymers 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/80—Falling particle mixers, e.g. with repeated agitation along a vertical axis
- B01F25/82—Falling particle mixers, e.g. with repeated agitation along a vertical axis uniting flows of material taken from different parts of a receptacle or from a set of different receptacles
- B01F25/821—Falling particle mixers, e.g. with repeated agitation along a vertical axis uniting flows of material taken from different parts of a receptacle or from a set of different receptacles by means of conduits having inlet openings at different levels
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A blending apparatus, inexpensive in construction and requiring a minimum of recirculation, is today essential for economical and thorough blending of particulate material, for example, plastic pellets of virgin material and of pellets that have been reconstituted from recycled material. Construction of the blender is low in cost not only because the customary receiver, and its piping, conventionally installed below he blender are eliminated, but because the rigid baffle of the prior blender has been replaced by a virtual baffle (626) of particulate material, which forms a toroidal block within: he sonically walls (610) of the blender; the converging blended conduits (602) adjacent thereto; and the structural supporting matrix. The baffle of particulate material (626) serves: 1) as a termination surface for the conventional perforated blending conduits; and 2) retains a toroidal annular volume of particulate material in position between the upper outer surface of the baffle and the inside wall of the blender.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US683,320 | 1976-05-05 | ||
US07/683,320 US5123749A (en) | 1991-04-10 | 1991-04-10 | Blender for particulate materials |
US82208292A | 1992-01-17 | 1992-01-17 | |
US822,082 | 1992-01-17 | ||
US858,704 | 1992-03-27 | ||
US07/858,704 US5411332A (en) | 1991-04-10 | 1992-03-27 | Blender with virtual baffle of particulate material |
PCT/US1992/002890 WO1992018229A1 (en) | 1991-04-10 | 1992-04-09 | Blender with virtual baffle of particulate material |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2087178A1 true CA2087178A1 (en) | 1992-10-11 |
CA2087178C CA2087178C (en) | 2004-06-08 |
Family
ID=27418420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002087178A Expired - Lifetime CA2087178C (en) | 1991-04-10 | 1992-04-09 | Blender with virtual baffle of particulate material |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0538445B1 (en) |
AU (1) | AU1887592A (en) |
CA (1) | CA2087178C (en) |
DE (1) | DE69222920T2 (en) |
ES (1) | ES2109356T3 (en) |
WO (1) | WO1992018229A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998034721A1 (en) * | 1997-02-07 | 1998-08-13 | Industrial Research Limited | Method and apparatus for mixing granular or powdered materials |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR955447A (en) * | 1950-01-14 | |||
US2633027A (en) * | 1951-07-19 | 1953-03-31 | Western Electric Co | Method of testing flow characteristics of granular materials |
US3221560A (en) * | 1963-02-21 | 1965-12-07 | Pillsbury Co | Flowability apparatus |
US3376753A (en) * | 1963-11-26 | 1968-04-09 | Lewis Howe Company | Particulate flow meter apparatus |
US3940997A (en) * | 1973-12-27 | 1976-03-02 | Xerox Corporation | Apparatus and method for measuring angle of repose |
US4109827A (en) * | 1977-05-09 | 1978-08-29 | Allied Industries Inc. | Method of discharging particulate material from a hopper |
US4353652A (en) * | 1980-04-16 | 1982-10-12 | Young Henry T | Apparatus for gravity blending or particulate solids |
US4385840A (en) * | 1981-03-02 | 1983-05-31 | Gulf Oil Corporation | Mixing apparatus |
DE3332226A1 (en) * | 1983-09-07 | 1985-03-21 | Heidelberger Zement Ag, 6900 Heidelberg | METHOD AND DEVICE FOR EMPTYING VIBRATING-FREE A CONTAINER FILLED WITH BULK MATERIAL, IN PARTICULAR SILOS OR BUNKERS |
DE3512538A1 (en) * | 1984-12-15 | 1986-06-19 | AVT Anlagen- und Verfahrenstechnik GmbH, 7981 Vogt | Device for mixing bulk solids |
US4719809A (en) * | 1985-12-31 | 1988-01-19 | Jr Johanson, Inc. | Apparatus and test method for determining flow or no flow conditions of bulk solids |
US4825602A (en) * | 1987-10-22 | 1989-05-02 | Yacoe J Craig | Polyhedral structures that approximate an ellipsoid |
-
1992
- 1992-04-09 WO PCT/US1992/002890 patent/WO1992018229A1/en active IP Right Grant
- 1992-04-09 EP EP92910728A patent/EP0538445B1/en not_active Expired - Lifetime
- 1992-04-09 DE DE69222920T patent/DE69222920T2/en not_active Expired - Lifetime
- 1992-04-09 CA CA002087178A patent/CA2087178C/en not_active Expired - Lifetime
- 1992-04-09 ES ES92910728T patent/ES2109356T3/en not_active Expired - Lifetime
- 1992-04-09 AU AU18875/92A patent/AU1887592A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0538445A1 (en) | 1993-04-28 |
CA2087178C (en) | 2004-06-08 |
EP0538445A4 (en) | 1993-12-29 |
HK1003826A1 (en) | 1998-11-06 |
WO1992018229A1 (en) | 1992-10-29 |
AU1887592A (en) | 1992-11-17 |
DE69222920D1 (en) | 1997-12-04 |
EP0538445B1 (en) | 1997-10-29 |
DE69222920T2 (en) | 1998-04-09 |
ES2109356T3 (en) | 1998-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |