EP1300196A1 - Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit - Google Patents

Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit Download PDF

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Publication number
EP1300196A1
EP1300196A1 EP01203791A EP01203791A EP1300196A1 EP 1300196 A1 EP1300196 A1 EP 1300196A1 EP 01203791 A EP01203791 A EP 01203791A EP 01203791 A EP01203791 A EP 01203791A EP 1300196 A1 EP1300196 A1 EP 1300196A1
Authority
EP
European Patent Office
Prior art keywords
products
floating capacity
fluid reservoir
fluid
separating
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.)
Withdrawn
Application number
EP01203791A
Other languages
English (en)
French (fr)
Inventor
Filip Leenknegt
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.)
Saleenco Industries bvba
Original Assignee
Saleenco Industries bvba
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.)
Filing date
Publication date
Application filed by Saleenco Industries bvba filed Critical Saleenco Industries bvba
Priority to EP01203791A priority Critical patent/EP1300196A1/de
Publication of EP1300196A1 publication Critical patent/EP1300196A1/de
Withdrawn legal-status Critical Current

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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
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
    • B03B5/623—Upward current classifiers
    • 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
    • B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment

Definitions

  • the invention relates in one respect to a device for separating and/or washing products with different floating capacity, comprising a fluid reservoir to introduce the products to be washed and/or separated, and on the other hand to a method for separating and/or washing products with different floating capacity, whereby the products to be washed and/or separated are brought into a fluid reservoir.
  • Products with different floating capacity can be divided in products with higher or lower floating capacity, whereby floating capacity is related to the specific gravity of the products in comparison with the specific gravity of the fluid that is used for separating and/or washing products.
  • Products with higher floating capacity have a specific gravity which is smaller than the specific gravity of the fluid, while products with lower floating capacity have a specific gravity which is higher than the specific gravity of the fluid.
  • BE1010137 a method for cleaning products, such as vegetables, fruit, e.d. and a device applying this method.
  • products are being collected above an air current, and these products are being influenced by that air current in that way that the light and the heavy parts of the products are being divided.
  • the products can be brought above the air current through a sloping surface, whereby the movement across this sloping surface takes already care for a removement of unuseful parts.
  • the products can arive in a collecting device from which they are further divided and arive in the air current. The products are being removed from the device through a conveyer belt.
  • An other device that is known for separating and/or washing products with different floating capacity comprises a collecting device that comprises a motor that stirs in a tub.
  • the products that have to be separated such as vegetables and stones, are brought into the tub through a conveyer belt.
  • the products to be separated and/or washed are stirred in the tub.
  • the products with lower floating capacity e.g. the vegetables
  • the products with higher floating capacity e.g. the stones, sink and are removed through a conveyer belt under the tub.
  • the disadvantage of this system is that the products with lower floating capacity such as stones can fall between the conveyer belt when this conveyer belt is worn out. Then, these products fall on the lower leading rol, and this can block the system.
  • a second disadvantage is that this kind of system is difficult to clean, and a third disadvantage is that there is a lot of maintenance because of the bearing that work in water.
  • the purpose of the invention is to provide a device for separating and/or washing products with different floating capacity, comprising a fluid reservoir to introduce the products to be washed and/or separated, which doesn't have abovementioned disadvantages.
  • the purpose of the invention is further to provide a method for separating and/or washing products with different floating capacity, whereby the products to be washed and/or separated are brought into a fluid reservoir, which doesn't show abovenmentioned disadvantages.
  • this purpose is achieved by providing a device for separating and/or washing products with different floating capacity, comprising a fluid reservoir to introduce the products to be washed and/or separated, but whereby a collection reservoir is provided to collect the products with lower floating capacity, and means to close the fluid reservoir when the products with lower floating capacity are being removed from the collection reservoir.
  • said device is provided with a first and a second valve, said first valve being in connection with said fluid reservoir and said second valve being in connection with a removing device, and that in between said two valves a collector is provided in which the products with the lower floating capacities are collected.
  • said two valves are membrane valves.
  • said membrane valves can be opened and closed off by means of compressed air.
  • the device comprises a space between the collection reservoir and said first valve which can be filled with fluid and in which an upward force is provided to the fluid in said space to push the products with higher floating capacity upwards in the fluid reservoir.
  • said space comprises a dividing partition to prevent whirling of the fluid in said space.
  • the purpose of the invention is achieved by providing a method for separating and/or washing products with different floating capacity, whereby the products to be washed and/or separated are brought into a fluid reservoir, but whereby the products with lower floating capacity are collected in a collection reservoir, and whereby the fluid reservoir is closed when the products with lower floating capacity are being removed from the collection reservoir.
  • a device is used as described above.
  • figure 1 shows a side view of a device for separating and/or washing products with different floating capacity.
  • a device (1) for separating and/or washing products with different floating capacity according to the invention consists of a fluid reservoir (2) to introduce the products to be washed and/or separated.
  • the device (1) is preferably used to wash vegetables, e.g. tuberous plants and beans, and to remove the stones from the vegetables.
  • a motor (3) which is placed above the fluid reservoir (2), drives a stirrer (4) which stirs the fluid, i.e. water, and the products, i.e. the vegetables and stones, in the fluid reservoir (2).
  • the products with higher floating capacity, i.e. the vegetables, will be situated at the top of the fluid reservoir (2) and are removed at the top (15) of the fluid reservoir (2).
  • a space (8) connects the fluid reservoir with a collector (10).
  • the space (8) can be filled with fluid and in the space (8) is an upward force provided to the fluid to push the products with higher floating capacity upwards in the fluid reservoir (2).
  • a dividing partition (11) is provided to prevent whirling of the fluid, but the fluid still has enough upward force to push the products with the higher floating capacities to the top of the fluid reservoir (2).
  • the collector (10) consists of two valves (5a, 5b) which create a lock to remove the products with lower floating capacity.
  • two membrane valves are used, but also other valves such as knife valves can be used.
  • the membrane valves (5a, 5b) consists of a flange (6) in which a rubber (7) is situated, and which rubber (7) is closed by means of compressed air (12). Between the two membrane valves (5a, 5b), there is a space (14) in which the products with the lower floating capacities can be collected. The function of the lock will be hereafter explained. While stirring the fluid and the products, the products with lower floating capacity sink on the lower membrane valve (5b), which is closed at that moment, while the upper membrane valve (5a) is open at that moment.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
EP01203791A 2001-10-08 2001-10-08 Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit Withdrawn EP1300196A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01203791A EP1300196A1 (de) 2001-10-08 2001-10-08 Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01203791A EP1300196A1 (de) 2001-10-08 2001-10-08 Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit

Publications (1)

Publication Number Publication Date
EP1300196A1 true EP1300196A1 (de) 2003-04-09

Family

ID=8181026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01203791A Withdrawn EP1300196A1 (de) 2001-10-08 2001-10-08 Verfahren und Vorrichtung zum Trennen und/oder Waschen von Produkten unterschiedlicher Schwimmfähigkeit

Country Status (1)

Country Link
EP (1) EP1300196A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1749350A (en) * 1925-11-12 1930-03-04 Jeffrey Mfg Co Coal-washing apparatus
US3700102A (en) * 1969-12-24 1972-10-24 Lawrence M Higgins Automatic dump system for contaminants collected in a slurry processing sump
US4217917A (en) * 1978-04-10 1980-08-19 Enso-Gutzeit Osakeyhtio Chip washer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1749350A (en) * 1925-11-12 1930-03-04 Jeffrey Mfg Co Coal-washing apparatus
US3700102A (en) * 1969-12-24 1972-10-24 Lawrence M Higgins Automatic dump system for contaminants collected in a slurry processing sump
US4217917A (en) * 1978-04-10 1980-08-19 Enso-Gutzeit Osakeyhtio Chip washer

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