JPS54139167A - Axial-flow decanter-shaped centrifugal separator - Google Patents

Axial-flow decanter-shaped centrifugal separator

Info

Publication number
JPS54139167A
JPS54139167A JP3375078A JP3375078A JPS54139167A JP S54139167 A JPS54139167 A JP S54139167A JP 3375078 A JP3375078 A JP 3375078A JP 3375078 A JP3375078 A JP 3375078A JP S54139167 A JPS54139167 A JP S54139167A
Authority
JP
Japan
Prior art keywords
fluid
flow
screw
passage holes
vane
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.)
Pending
Application number
JP3375078A
Other languages
Japanese (ja)
Inventor
Takeo Kinoshita
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP3375078A priority Critical patent/JPS54139167A/en
Publication of JPS54139167A publication Critical patent/JPS54139167A/en
Pending legal-status Critical Current

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
    • B04B2001/205—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 special construction of screw thread, e.g. segments, height
    • 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
    • B04B2001/2058—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 ribbon-type screw conveyor

Abstract

PURPOSE: To reduce the convulsion of fine particles, by providing fluid-passage holes in the inner part of the screw vane of a screw conveyor and causing the fluid to flow to the over-flow side along the screw axis, and thereby slowing down the speed of fluid flow.
CONSTITUTION: Fluid-passage holes 8 are provided in the inner part of screw vane 7 of screw-vane conveyor 2. The fluid which is formed into a clear liquid layer by the centrifugal force is caused to flow through these passage holes 8 to the over-flow side along screw axis 9. At this time, the fluid-passage area is expanded by fluid- passage holes 8, and as a result the speed of the flowing fluid is slowed down. Consequently, the fine particles which were made to float by the kinetic energy of the fluid settle, and thereby the rate of fine particle separation and recovery is increased.
COPYRIGHT: (C)1979,JPO&Japio
JP3375078A 1978-03-23 1978-03-23 Axial-flow decanter-shaped centrifugal separator Pending JPS54139167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3375078A JPS54139167A (en) 1978-03-23 1978-03-23 Axial-flow decanter-shaped centrifugal separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3375078A JPS54139167A (en) 1978-03-23 1978-03-23 Axial-flow decanter-shaped centrifugal separator

Publications (1)

Publication Number Publication Date
JPS54139167A true JPS54139167A (en) 1979-10-29

Family

ID=12395090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3375078A Pending JPS54139167A (en) 1978-03-23 1978-03-23 Axial-flow decanter-shaped centrifugal separator

Country Status (1)

Country Link
JP (1) JPS54139167A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306225A (en) * 1990-11-27 1994-04-26 Tsukishima Kikai Co., Ltd. Decanter centrifuge having a disc-like dip weir with a hole
US6605029B1 (en) * 2000-08-31 2003-08-12 Tuboscope I/P, Inc. Centrifuge with open conveyor and methods of use
US6780147B2 (en) * 2000-08-31 2004-08-24 Varco I/P, Inc. Centrifuge with open conveyor having an accelerating impeller and flow enhancer
US7018326B2 (en) * 2000-08-31 2006-03-28 Varco I/P, Inc. Centrifuge with impellers and beach feed
US7282019B2 (en) * 2005-04-25 2007-10-16 Edward Carl Lantz Centrifuge with shaping of feed chamber to reduce wear
CN103480508A (en) * 2013-09-11 2014-01-01 盐城工学院 Novel spiral centrifuge
EP2598250B1 (en) * 2010-07-29 2019-09-18 Stefano Cassani Device for separating particles of different synthetic materials

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952788A (en) * 1931-03-20 1934-03-27 Berlin David Werner Process and apparatus for continuous centrifugal separation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952788A (en) * 1931-03-20 1934-03-27 Berlin David Werner Process and apparatus for continuous centrifugal separation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306225A (en) * 1990-11-27 1994-04-26 Tsukishima Kikai Co., Ltd. Decanter centrifuge having a disc-like dip weir with a hole
US6605029B1 (en) * 2000-08-31 2003-08-12 Tuboscope I/P, Inc. Centrifuge with open conveyor and methods of use
US6780147B2 (en) * 2000-08-31 2004-08-24 Varco I/P, Inc. Centrifuge with open conveyor having an accelerating impeller and flow enhancer
US7018326B2 (en) * 2000-08-31 2006-03-28 Varco I/P, Inc. Centrifuge with impellers and beach feed
US7282019B2 (en) * 2005-04-25 2007-10-16 Edward Carl Lantz Centrifuge with shaping of feed chamber to reduce wear
EP2598250B1 (en) * 2010-07-29 2019-09-18 Stefano Cassani Device for separating particles of different synthetic materials
CN103480508A (en) * 2013-09-11 2014-01-01 盐城工学院 Novel spiral centrifuge

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