SE332601B - - Google Patents

Info

Publication number
SE332601B
SE332601B SE15112/67A SE1511267A SE332601B SE 332601 B SE332601 B SE 332601B SE 15112/67 A SE15112/67 A SE 15112/67A SE 1511267 A SE1511267 A SE 1511267A SE 332601 B SE332601 B SE 332601B
Authority
SE
Sweden
Prior art keywords
hub
slurry
pipe
chamber
bowl
Prior art date
Application number
SE15112/67A
Inventor
C Amero
Original Assignee
Bird Machine Co
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 Bird Machine Co filed Critical Bird Machine Co
Publication of SE332601B publication Critical patent/SE332601B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • 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
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
    • 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
    • B04B3/04—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B04B2001/2033—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with feed accelerator inside the conveying screw

Landscapes

  • Centrifugal Separators (AREA)

Abstract

1,135,720. Centrifugal separator. BIRD MACHINE CO. 30 Oct., 1967 [9 Nov., 1966], No. 49251/67. Heading B2P. In a screw centrifuge slurry to be treated is fed through a pipe 34 into a main feed compartment 56 formed inside the screw conveyor hub 19 and separated by means of a splash baffle 52 from a secondary feed compartment 58 in which is located a chamber 64 which receives a secondary fluid, e.g. flocculant or wash water, fed through a pipe 40 surrounding the pipe 34. The slurry enters into the interior of the bowl 10 through openings 62 in the hub 19 and the slurry does so through one or more pipes 80 extending radially through enlarged holes 82 in the hub. Any slurry that splashes from compartment 56 through an opening 60 in the baffle 52 tends to be thrown radially outwardly, to enter the flow space between the wall 68 of the chamber 64 and the hub 19, and to pass into the bowl 10 through the holes 82. The chamber 64 has a frusto-conical wall 70 and a sleeve portion 72 which effectively prevent the slurry from entering the chamber. The solids separated by centrifugal force are moved along the wall of the bowl by the screw conveyor 17 toward and out through openings 85 into a solids discharge chamber 84. The separated liquid enters through openings 50 into a hub enlargement 48 to be scooped up by a skimmer 46 at the forward end of a liquid effluent pipe 42 which is eccentrically mounted for rotation on the pipe 40.
SE15112/67A 1966-11-09 1967-11-03 SE332601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US593163A US3405866A (en) 1966-11-09 1966-11-09 Centrifuge

Publications (1)

Publication Number Publication Date
SE332601B true SE332601B (en) 1971-02-08

Family

ID=24373646

Family Applications (1)

Application Number Title Priority Date Filing Date
SE15112/67A SE332601B (en) 1966-11-09 1967-11-03

Country Status (4)

Country Link
US (1) US3405866A (en)
DE (1) DE1632270B1 (en)
GB (1) GB1135720A (en)
SE (1) SE332601B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854658A (en) * 1973-05-07 1974-12-17 Dorr Oliver Inc Solid bowl conveyer type centrifuge
AR205952A1 (en) * 1975-01-03 1976-06-15 Pennwalt Corp A DECANTER CENTRIFUGE
US4298160A (en) * 1977-05-24 1981-11-03 Thomas Broadbent & Sons Limited Solid bowl decanter centrifuges
DE3202294C1 (en) * 1982-01-26 1983-04-21 Westfalia Separator Ag, 4740 Oelde Continuously working full-jacket countercurrent centrifugal extractor
US5509882A (en) * 1994-09-12 1996-04-23 Tetra Laval Holdings & Finance S.A. Decanter centrifuge having an offset conveyor flight to aid rinsing
US5582742A (en) * 1995-09-05 1996-12-10 Ketema, Inc. Rotary distribution pipe assembly
US6572524B1 (en) 2000-07-14 2003-06-03 Alfa Laval Inc. Decanter centrifuge having a heavy phase solids baffle
US6561965B1 (en) 2000-10-20 2003-05-13 Alfa Laval Inc. Mist pump for a decanter centrifuge feed chamber
CA2726980C (en) 2008-06-06 2016-02-16 M-I L.L.C. Dual feed centrifuge

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2578456A (en) * 1946-07-31 1951-12-11 Centrifuge Mechanical Equipmen Centrifugal separator
US2670131A (en) * 1951-05-23 1954-02-23 Knowles Associates Centrifuge with interstage washing
US2685369A (en) * 1951-06-27 1954-08-03 Allied Chem & Dye Corp Coagulation of finely divided suspended solids
GB726596A (en) * 1952-05-14 1955-03-23 Separator Ab Improvements in or relating to centrifuges for separating, sludge containing liquids
DE1002689B (en) * 1954-05-24 1957-02-14 Siteg Siebtech Gmbh Continuously operating screenless screw centrifuge
DE973004C (en) * 1954-10-22 1959-12-03 Krauss Maffei Ag Centrifuge for the separation of solids from liquids containing oil
DE1753992U (en) * 1957-08-22 1957-10-10 Krauss Maffei Ag DECANTATION CENTRIFUGE.
US3200068A (en) * 1962-12-27 1965-08-10 Combustion Eng Recovering fines in a mechanical dehydrator
US3228594A (en) * 1965-02-05 1966-01-11 Clifford L Amero Centrifugal separator

Also Published As

Publication number Publication date
DE1632270B1 (en) 1971-06-16
US3405866A (en) 1968-10-15
GB1135720A (en) 1968-12-04

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