US3334751A - Centrifugal drums - Google Patents

Centrifugal drums Download PDF

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Publication number
US3334751A
US3334751A US463490A US46349065A US3334751A US 3334751 A US3334751 A US 3334751A US 463490 A US463490 A US 463490A US 46349065 A US46349065 A US 46349065A US 3334751 A US3334751 A US 3334751A
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US
United States
Prior art keywords
drum
end portions
centrifugal
casing
axial end
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 - Lifetime
Application number
US463490A
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English (en)
Inventor
Jaekel Werner
Buege Kurt
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Application granted granted Critical
Publication of US3334751A publication Critical patent/US3334751A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • B04B7/18—Rotary bowls formed or coated with sieving or filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
    • B04B11/05—Base discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls

Definitions

  • This invention relates to a centrifugal drum With a solid casing for the separation of solid materials from liquid, for example of sugar crystals from sugar filling compositions, the casing of which is provided internally with a sieve.
  • the axial end portions of the drum casing are hollowed out in the form of rings on their inner side and the hollowed out annular spaces are filled with additional lower sieves.
  • the difference in the inner diameters on the centre portion and the axial end portions of the centrifugal drum can be accommodated in a simple manner.
  • a drum casing having a constant inner diameter is provided in the region of the delivery area of the centrifuged material with a ring reducing the inner diameter of the centrifugal drum at this point. This embodiment is particularly suitable for the subsequent arrangement of already existing centrifugal drums.
  • outlets in the cover and bottom of the centrifugal drum and the outflow means for the liquid are located along the inner Wall of the drum in alignment.
  • FIG. 1 shows an axial cross section 0f a large centrifugal drum
  • FIG. 2 is an axial section through the drum of FIG. l on an enlarged scale
  • FIG. 3 is an axial fragmentary section through a second embodiment.
  • FIGS. 1. and 2 has a drum casing 1, a cover 2, a base 3 and a hub 4.
  • the base 3 3,334,751 Patented Aug. 8, 1967 is screwed onto a flange 5 of the hub by screws 6.
  • On the inner wall of the drum casing 1 is a lower sieve 7 which is closed by a cover sieve 8 on the inside.
  • Two axial end portions 9 and 10 of the drum casing 1 are hollowed out in the form of rings.
  • the hollowed out annular spaces 11 and 12 are lled with additional lower sieves 13 and 14.
  • the sieves 7, 8, 13 and 14 are secured by coupling rings 15 in their position on the inner wall of the drum.
  • the centre portion 16 of the Idrum casing has a smaller diameter than the axial end portions 9 and 10.
  • the cover 2 is provided with outlet openings 17 and the base 3 with outlet openings 18 for the centrifuged liquid.
  • the openings 17 and 18 are in alignment with the annular spaces 11 and 12.
  • the delivery zone for the centrifuged material coincides with the centre portion 16 of the drum casing 1.
  • the centrifuged material reaching this area ows upwardly and downwardly uniformly, bulges being avoided by the fact that the centrifuged liquid in the area of the delivery zone cannot flow outwardly through the fdrum wall.
  • the discharge of the liquid along the inner wall of the drum is thereby prevented with the result that the delivered centrifuged material on the cover sieve 8 retains suiiicient liquid to prevent bulging.
  • a centrifugal drum for the separation of solid material from liquids comprising an imperforate axially rotatable casing with centre and axial end portions, a base and a cover, a sieve tting being carried internally of the casing over said centre and axial end portions, internal hollow rings in the form of recessed annular spaces defined by said axial end portions, additional lower sieves provided in said recessed annular spaces and outlet openings from the casing for outlet of separated liquid being provided only at the base and the cover, said recessed annular spaces and said outlet openings being in alignment and in communication with one another.
  • a centrifugal drum as claimed in claim 1 in which said' centre and axial end portions are of unitary construction.
  • a centrifugal drum for separating a solid fraction from a liquid comprising, in combination, an imperforate rotatable casing having axial end portions and a center portion of a lesser diameter than the diameter of said axial end portions; a base member and a cover member respectively associated with one of said end portions; a sieve fitting received within said casing and deiining with said end portions a pair of annular spaces wherein the liquid is subjected to acceleration due to undergoing increased centrifugal force because of the larger diameter of said end portions; sieve elements received in to said casing immovably relative thereto.

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  • Centrifugal Separators (AREA)
US463490A 1964-06-19 1965-06-14 Centrifugal drums Expired - Lifetime US3334751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES91605A DE1209957B (de) 1964-06-19 1964-06-19 Vollmantel-Schleudertrommel

Publications (1)

Publication Number Publication Date
US3334751A true US3334751A (en) 1967-08-08

Family

ID=7516613

Family Applications (1)

Application Number Title Priority Date Filing Date
US463490A Expired - Lifetime US3334751A (en) 1964-06-19 1965-06-14 Centrifugal drums

Country Status (5)

Country Link
US (1) US3334751A (de)
BE (1) BE665545A (de)
DE (1) DE1209957B (de)
GB (1) GB1040223A (de)
NL (1) NL6507835A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854657A (en) * 1973-04-23 1974-12-17 Buckau Wolf Maschf R Drum for a centrifuge
US3993243A (en) * 1974-04-04 1976-11-23 Braunschweigische Maschinenbauanstalt Centrifuge drum and method of making such centrifuge drum
US5938043A (en) * 1997-05-23 1999-08-17 Fine Gold Recovery Systems, Inc. Centrifugal jig

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032134B2 (de) * 1972-06-20 1975-10-17
CN102327822A (zh) * 2011-09-07 2012-01-25 安徽普源分离机械制造有限公司 分离机转鼓部件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959173A (en) * 1909-03-30 1910-05-24 Cooper Shapley Centrifugal filter for cyanid plants.
US1770854A (en) * 1930-05-14 1930-07-15 Herbert B Johnson Centrifugal basket and lining therefor
US1946500A (en) * 1933-01-28 1934-02-13 Western States Machine Co Basket lining for centrifugals
US2312829A (en) * 1940-01-03 1943-03-02 Battelle Memorial Institute Method and apparatus for separating liquids from solids

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120378B (de) * 1959-11-21 1961-12-21 Selwig & Lange Diskontinuierlich arbeitende Trennzentrifuge fuer kristallhaltige Fuellmassen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959173A (en) * 1909-03-30 1910-05-24 Cooper Shapley Centrifugal filter for cyanid plants.
US1770854A (en) * 1930-05-14 1930-07-15 Herbert B Johnson Centrifugal basket and lining therefor
US1946500A (en) * 1933-01-28 1934-02-13 Western States Machine Co Basket lining for centrifugals
US2312829A (en) * 1940-01-03 1943-03-02 Battelle Memorial Institute Method and apparatus for separating liquids from solids

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854657A (en) * 1973-04-23 1974-12-17 Buckau Wolf Maschf R Drum for a centrifuge
US3993243A (en) * 1974-04-04 1976-11-23 Braunschweigische Maschinenbauanstalt Centrifuge drum and method of making such centrifuge drum
US5938043A (en) * 1997-05-23 1999-08-17 Fine Gold Recovery Systems, Inc. Centrifugal jig

Also Published As

Publication number Publication date
GB1040223A (en) 1966-08-24
NL6507835A (de) 1965-12-20
DE1209957B (de) 1966-01-27
BE665545A (de) 1965-10-18

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