CA2119653C - Apparatus/method for uniform fluidized bed sorting - Google Patents

Apparatus/method for uniform fluidized bed sorting

Info

Publication number: CA2119653C
Authority: CA; Canada
Prior art keywords: fluidized bed; articles; mixture; trough; channelization
Prior art date: 1991-09-23
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 - Fee Related

Application number

CA002119653A

Other languages

English (en)

French (fr)

Other versions

CA2119653A1 (en

Inventor

Arthur Zaltzman

Sylvester Lynn Woodland

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Camas International Inc

Original Assignee

Camas International Inc

Priority date (The priority date 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 date listed.)

1991-09-23

Filing date

1992-09-23

Publication date

1999-04-20

1991-09-23 Priority claimed from US07/764,691 external-priority patent/US5244099A/en

1992-09-23 Application filed by Camas International Inc filed Critical Camas International Inc

1993-04-01 Publication of CA2119653A1 publication Critical patent/CA2119653A1/en

1999-04-20 Application granted granted Critical

1999-04-20 Publication of CA2119653C publication Critical patent/CA2119653C/en

2012-09-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 66
239000000203 mixture Substances 0.000 claims abstract description 120
238000000926 separation method Methods 0.000 claims abstract description 57
238000005243 fluidization Methods 0.000 claims abstract description 33
230000003534 oscillatory effect Effects 0.000 claims abstract description 31
230000000694 effects Effects 0.000 claims abstract description 16
230000010355 oscillation Effects 0.000 claims description 54
230000005484 gravity Effects 0.000 claims description 13
230000007423 decrease Effects 0.000 claims description 11
230000003247 decreasing effect Effects 0.000 claims description 5
230000000737 periodic effect Effects 0.000 claims 13
230000035939 shock Effects 0.000 claims 3
239000004576 sand Substances 0.000 abstract description 6
239000003570 air Substances 0.000 description 60
239000000463 material Substances 0.000 description 20
239000002245 particle Substances 0.000 description 17
238000005188 flotation Methods 0.000 description 13
239000007788 liquid Substances 0.000 description 10
230000008569 process Effects 0.000 description 8
239000000243 solution Substances 0.000 description 6
244000105624 Arachis hypogaea Species 0.000 description 5
230000007246 mechanism Effects 0.000 description 5
235000020232 peanut Nutrition 0.000 description 5
240000008042 Zea mays Species 0.000 description 4
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 4
235000002017 Zea mays subsp mays Nutrition 0.000 description 4
235000005822 corn Nutrition 0.000 description 4
229930195730 Aflatoxin Natural products 0.000 description 3
XWIYFDMXXLINPU-UHFFFAOYSA-N Aflatoxin G Chemical compound O=C1OCCC2=C1C(=O)OC1=C2C(OC)=CC2=C1C1C=COC1O2 XWIYFDMXXLINPU-UHFFFAOYSA-N 0.000 description 3
239000005409 aflatoxin Substances 0.000 description 3
238000013459 approach Methods 0.000 description 2
230000008901 benefit Effects 0.000 description 2
235000013339 cereals Nutrition 0.000 description 2
239000000470 constituent Substances 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000036961 partial effect Effects 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000003466 welding Methods 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
241000975394 Evechinus chloroticus Species 0.000 description 1
241000758791 Juglandaceae Species 0.000 description 1
244000046052 Phaseolus vulgaris Species 0.000 description 1
235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
240000004713 Pisum sativum Species 0.000 description 1
235000010582 Pisum sativum Nutrition 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
244000061456 Solanum tuberosum Species 0.000 description 1
235000002595 Solanum tuberosum Nutrition 0.000 description 1
235000003095 Vaccinium corymbosum Nutrition 0.000 description 1
240000000851 Vaccinium corymbosum Species 0.000 description 1
235000017537 Vaccinium myrtillus Nutrition 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000012080 ambient air Substances 0.000 description 1
230000001174 ascending effect Effects 0.000 description 1
235000021014 blueberries Nutrition 0.000 description 1
239000012267 brine Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000011109 contamination Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
235000013399 edible fruits Nutrition 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
235000014571 nuts Nutrition 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
235000012015 potatoes Nutrition 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
239000011435 rock Substances 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
239000011343 solid material Substances 0.000 description 1
230000009466 transformation Effects 0.000 description 1
238000000844 transformation Methods 0.000 description 1
235000020234 walnut Nutrition 0.000 description 1
238000005406 washing Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
238000009736 wetting Methods 0.000 description 1

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
- B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
- 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
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/46—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using dry heavy media; Devices therefor

Landscapes

Combined Means For Separation Of Solids (AREA)
Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Sorting Of Articles (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)
Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Crucibles And Fluidized-Bed Furnaces (AREA)
Separating Particles In Gases By Inertia (AREA)
Fluidized-Bed Combustion And Resonant Combustion (AREA)

CA002119653A 1991-09-23 1992-09-23 Apparatus/method for uniform fluidized bed sorting Expired - Fee Related CA2119653C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/764,691 US5244099A (en)	1989-06-28	1991-09-23	Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting
US07/764,691		1991-09-23

Publications (2)

Publication Number	Publication Date
CA2119653A1 CA2119653A1 (en)	1993-04-01
CA2119653C true CA2119653C (en)	1999-04-20

Family

ID=25071476

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002119653A Expired - Fee Related CA2119653C (en)	1991-09-23	1992-09-23	Apparatus/method for uniform fluidized bed sorting

Country Status (9)

Country	Link
EP (1)	EP0608293B1 (de)
JP (1)	JPH07503887A (de)
AT (1)	ATE176608T1 (de)
AU (1)	AU656430B2 (de)
BR (1)	BR9206532A (de)
CA (1)	CA2119653C (de)
DE (1)	DE69228425T2 (de)
DK (1)	DK0608293T3 (de)
WO (1)	WO1993005882A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005019998A1 (de) *	2005-04-27	2006-11-02	Bühler AG	Verfahren und Einrichtung zur Reinigung von Getreide
CN112934667A (zh) *	2021-01-25	2021-06-11	山西农业大学	一种简易杂豆种子精选分级装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US76331A (en) *		1868-04-07		Improved appaeatus poe sepaeating gees and mineeals
US2273296A (en) *		1942-02-17		Apparatus and process for separat
US2006119A (en) *	1932-08-10	1935-06-25	Steinmetser Joseph Nicholas	Apparatus for the separation of dry materials
US2154784A (en) *	1937-09-22	1939-04-18	Roberts & Schaefer Co	Resistance pack for gravity separators and the like
US2310894A (en) *	1941-01-22	1943-02-09	Brusset Jean Albert	Dry flotation, and media and apparatus therefor
US2678131A (en) *	1950-07-17	1954-05-11	Robert F Dore	Dry concentrator
DE1102061B (de) *	1958-09-12	1961-03-16	Maerkische Steinkohlengewerksc	Vorrichtung zum beruhigten Austrag von Schwergut aus Setzmaschinen
GB1072233A (en) *	1962-12-17	1967-06-14	Coal Industry Patents Ltd	Methods and apparatus for density separation of particulate material
US3424309A (en) *	1965-12-07	1969-01-28	William B Binnix	Pneumatic separator and classifier apparatus and method
SE388132B (sv) *	1971-10-28	1976-09-27	Deister Concentrator	Anriktningsanordning innefattande ett separeringsbord
US4861464A (en) *	1987-05-29	1989-08-29	State Of Israel, Ministry Of Agriculture	Method and apparatus for separation using fluidized bed
US4865722A (en) *	1987-09-01	1989-09-12	Max Ririe	Method and apparatus for separation using fluidized bed
US5024334A (en) *	1989-06-09	1991-06-18	Iowa State University Research Foundation, Inc.	Method and means for gravity table automation
US5048693A (en) *	1989-06-28	1991-09-17	World Agrosearch, Ltd.	Method and apparatus for sorting articles with small density differences utilizing a flotation stream
US5118409A (en) *	1989-06-28	1992-06-02	Sddm, Inc.	Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting

1992
- 1992-09-23 WO PCT/US1992/008098 patent/WO1993005882A1/en not_active Ceased
- 1992-09-23 AU AU27572/92A patent/AU656430B2/en not_active Ceased
- 1992-09-23 AT AT92921245T patent/ATE176608T1/de not_active IP Right Cessation
- 1992-09-23 BR BR9206532A patent/BR9206532A/pt not_active IP Right Cessation
- 1992-09-23 EP EP92921245A patent/EP0608293B1/de not_active Expired - Lifetime
- 1992-09-23 DE DE69228425T patent/DE69228425T2/de not_active Expired - Fee Related
- 1992-09-23 CA CA002119653A patent/CA2119653C/en not_active Expired - Fee Related
- 1992-09-23 JP JP5506358A patent/JPH07503887A/ja active Pending
- 1992-09-23 DK DK92921245T patent/DK0608293T3/da active

Also Published As

Publication number	Publication date
JPH07503887A (ja)	1995-04-27
WO1993005882A1 (en)	1993-04-01
AU656430B2 (en)	1995-02-02
EP0608293B1 (de)	1999-02-10
DK0608293T3 (da)	1999-09-20
ATE176608T1 (de)	1999-02-15
AU2757292A (en)	1993-04-27
DE69228425D1 (de)	1999-03-25
BR9206532A (pt)	1994-10-11
EP0608293A4 (de)	1995-04-19
CA2119653A1 (en)	1993-04-01
EP0608293A1 (de)	1994-08-03
DE69228425T2 (de)	1999-08-19

Legal Events

Date	Code	Title	Description
1996-10-30	EEER	Examination request
2008-09-23	MKLA	Lapsed

Publication	Publication Date	Title
US5244099A (en)	1993-09-14	Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting
CA2062825C (en)	1996-07-16	Method and apparatus for sorting articles with small density differences utilizing a flotation stream
KR930008288B1 (ko)	1993-08-27	곡물류의 건식 제분을 위한 전처리장치 및 그 방법
US5087351A (en)	1992-02-11	Fluidized bed peanut sorter
JPH0659463B2 (ja)	1994-08-10	穀物又はその他のばら物から重量物、特に石等を選別除去する装置及びその方法
US4287056A (en)	1981-09-01	Sifter stroke screen
US2404414A (en)	1946-07-23	Method and apparatus for removal of heavy objectionable material from cereals, legumes, and other food products
US4861464A (en)	1989-08-29	Method and apparatus for separation using fluidized bed
US5057211A (en)	1991-10-15	Benefication apparatus and process for land and seabed mining
US3945915A (en)	1976-03-23	Method of and apparatus for assorting particles according to the physical characteristics thereof
CA2090032C (en)	1998-04-21	Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting
AU644489B2 (en)	1993-12-09	Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting
EP0608293B1 (de)	1999-02-10	Anlage und verfahren zur sortierung mittels eines gleichmässigen wirbelbettes
US3926793A (en)	1975-12-16	Mineral separation apparatus
IL99670A (en)	1996-01-31	Apparatus and method for improving density uniformity of a fluidized bed medium and/or for improving material fluidized bed sorting
CN2075554U (zh)	1991-04-24	多用分级筛
CN207533572U (zh)	2018-06-26	比重清选机
US2150103A (en)	1939-03-07	Method and mechanism for separating intermixed divided materials
US1923917A (en)	1933-08-22	Process and mechanism for separating intermixed divided materials
CN118663563B (zh)	2024-12-03	一种干式轻重物质分选设备及分选方法
US1730123A (en)	1929-10-01	Method and apparatus for separating materials of different specific gravities
RU2328347C2 (ru)	2008-07-10	Способ разделения ценосфер летучих зол тепловых электростанций
US202995A (en)	1878-04-30	Improvement in ore-separators
AU2008200106A1 (en)	2008-01-31	Particulate material separation
AU2936402A (en)	2002-05-30	Particulate material separation