Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
NZ791414B2 - A centrifugal separator - Google Patents
[go: Go Back, main page]

NZ791414B2 - A centrifugal separator - Google Patents

A centrifugal separator

Info

Publication number
NZ791414B2
NZ791414B2 NZ791414A NZ79141421A NZ791414B2 NZ 791414 B2 NZ791414 B2 NZ 791414B2 NZ 791414 A NZ791414 A NZ 791414A NZ 79141421 A NZ79141421 A NZ 79141421A NZ 791414 B2 NZ791414 B2 NZ 791414B2
Authority
NZ
New Zealand
Prior art keywords
spindle
centrifugal separator
bearing housing
stationary frame
attached
Prior art date
Application number
NZ791414A
Other versions
NZ791414A (en
Inventor
Thomas Eliasson
Original Assignee
Alfa Laval Corporate Ab
Filing date
Publication date
Priority claimed from EP20162575.3A external-priority patent/EP3878559B1/en
Application filed by Alfa Laval Corporate Ab filed Critical Alfa Laval Corporate Ab
Publication of NZ791414A publication Critical patent/NZ791414A/en
Publication of NZ791414B2 publication Critical patent/NZ791414B2/en

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
    • B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
    • B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
    • 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
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/182—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact in tandem arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/084—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface sliding on a complementary spherical surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2320/00—Apparatus used in separating or mixing
    • F16C2320/42—Centrifuges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
    • F16C27/066—Ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means

Abstract

The invention is directed to providing a centrifugal separator permitting tilting of the spindle during operation. A centrifugal separator is configured for processing a product by separating a relatively heavy component and a relatively light component therefrom. The centrifugal separator comprises a spindle (3) supported by a stationary frame (2). A drive unit (4) acts on a rotating member (5) mounted on the spindle to rotate the spindle. A centrifuge rotor (8) mounted to the spindle encloses a separation space (9). An upper bearing housing (20) is mounted to the stationary frame and supports bearings (22, 23) comprising an outer bearing ring (24) attached to the upper bearing housing and an inner bearing ring (25) attached to the spindle. The upper bearing housing is mounted to the stationary frame (2) via an elastic member (40) permitting the upper bearing housing and the spindle to move radially, and via an upper tilting member (41) permitting the spindle to tilt during operation of the centrifugal separator. The upper tilting member comprises a pack of annular disks extending around the upper bearing housing and being attached to the upper bearing housing and to the elastic member.

Claims (17)

Claims
1.
2. A centrifugal separator for processing a product by separating a relatively heavy component and a relatively light component from the product, 5 the centrifugal separator comprising a stationary frame, a spindle supported by the stationary frame and extending in parallel with a central axis, a drive unit acting on a rotating member mounted on the spindle to rotate the 10 spindle in relation to the stationary frame, a centrifuge rotor mounted to the spindle and ing a separation space, an inlet for the product to the separation space, a first outlet for the relatively light component from the separation space, a second outlet for the relatively heavy component from the separation space, 15 and an upper g housing mounted to the stationary frame and supporting at least one g comprising an outer bearing ring attached to the upper bearing housing and an inner bearing ring attached to the e, wherein the upper bearing housing is d to the stationary frame via an 20 elastic member permitting the upper bearing g and thus the spindle to move radially during the rotation of the spindle, wherein the upper bearing housing is mounted to the stationary frame via the elastic member and an upper tilting member permitting the spindle to tilt in relation to the l axis during operation of the centrifugal separator, 25 wherein the elastic member and the upper tilting member are arranged one after the other in a radial direction and wherein the upper tilting member comprises a pack of annular disks extending around the upper g housing and being attached to the upper bearing housing and to the c . 30 2. The centrifugal separator according to claim 1, wherein the pack of annular disks of the upper tilting member is attached to the upper bearing housing by at least three primary attachment members equidistantly separated from each other around the annular disks, and attached to the elastic member by at least three secondary attachment s each being oned 35 between a respective pair of adjacent primary attachment members.
3. The centrifugal separator according to claim 1, wherein the pack of annular disks of the upper tilting member is attached to the stationary frame by at least three primary attachment members equidistantly separated from each other around the annular disks, and attached to the c member by at least 5 three secondary attachment members each being oned between a respective pair of adjacent primary attachment members.
4. The centrifugal separator according to any one of claims 2 and 3, wherein each of the primary and secondary attachment members comprises a 10 screw bolt ing through a respective aperture through the pack of annular disks of the upper tilting member.
5. The centrifugal separator according to any one of the preceding claims, wherein the at least one bearing comprises a first bearing comprising an outer 15 bearing ring attached to the upper bearing housing and an inner bearing ring attached to the spindle, and a second bearing comprising an outer bearing ring attached to the upper bearing housing and an inner bearing ring attached to the spindle. 20
6. The centrifugal separator according to any one of the preceding claims, wherein the centrifugal separator comprises a lower bearing housing mounted to the stationary frame and supporting at least one bearing sing an outer bearing ring attached to the lower bearing housing and an inner bearing ring ed to the spindle.
7. The fugal separator according to claim 6, wherein the lower g housing is d to the stationary frame via a lower tilting member permitting the spindle to tilt in relation to the central axis during ion of the centrifugal separator.
8. The fugal tor according to claim 7, wherein the lower tilting member comprises a pack of r disks extending around the lower bearing housing and being attached to the lower bearing housing and to the stationary frame.
9. The centrifugal separator ing to claim 8, wherein the pack of annular disks of the lower tilting member is attached to the lower bearing housing by at least three primary attachment members equidistantly separated from each other around the annular disks, and to the stationary frame by at least three secondary attachment members each being positioned between a respective pair of adjacent primary attachment members.
10. The fugal separator according to claim 9, wherein each of the primary and ary attachment members attaching the lower tilting member comprises a screw bolt extending h a respective aperture through the pack of annular disks of the lower tilting , and wherein the screw bolts 10 of the primary attachment s extend through the pack of annular disks in a first axial direction and the screw bolts of the secondary attachment members extend through the pack of annular disks in an opposite second axial direction. 15
11. The centrifugal separator according to any one of claims 6 to 10, n the at least one bearing of the lower bearing housing comprises a first bearing comprising an outer bearing ring attached to the lower bearing housing and an inner bearing ring attached to the e, a second bearing comprising an outer bearing ring attached to the lower bearing housing and an inner 20 bearing ring attached to the spindle.
12. The centrifugal separator according to any one of claims 6 to 11, wherein the lower bearing housing comprises a lower convex spherical surface ted by a concave spherical e provided on the stationary frame.
13. The centrifugal separator according to any one of claims 6 to 12, wherein the rotating member of the drive unit is mounted on the spindle between the upper bearing housing and the lower bearing housing. 30
14. The centrifugal separator according to any one of the preceding , n the drive unit comprises an electric motor having a stator attached to the stationary frame and a motor rotor.
15. The centrifugal separator ing to claim 14, wherein the rotating 35 member comprises the motor rotor.
16. The centrifugal separator according to any one of the preceding claims, wherein the spindle is hollow and surrounds the inlet for the product and/or the first outlet for the relatively light component. 5
17. A centrifugal tor according to claim 1, substantially as herein described or exemplified. 13 ¢§_7///www\/// .0. .rmin. 40 ’n"M‘ .‘ W?g?m??rgg m qIIN‘NENVLKQNE3“.31that»iii.$“.“E\1‘“~N‘“-§H‘s?hi?i?s?u (a: w.mp1?aV , ham. 2456 .wyf/?m/ z N ..?V r Jr / EH . V 13., 3o "mug" 139% 33 r y If 23 1 HMNNKNJ§$K 11 h?hs?ihm % “”1-“..‘ul.-m
NZ791414A 2021-03-11 A centrifugal separator NZ791414B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20162575.3A EP3878559B1 (en) 2020-03-12 2020-03-12 A centrifugal separator
PCT/EP2021/056238 WO2021180872A1 (en) 2020-03-12 2021-03-11 A centrifugal separator

Publications (2)

Publication Number Publication Date
NZ791414A NZ791414A (en) 2025-05-02
NZ791414B2 true NZ791414B2 (en) 2025-08-05

Family

ID=

Similar Documents

Publication Publication Date Title
US9415400B2 (en) Centrifugal separator having an elastic connection
CN102414451A (en) Rotor assembly
JPH053352B2 (en)
JP7558083B2 (en) Compressor
NZ791414B2 (en) A centrifugal separator
NZ791414A (en) A centrifugal separator
JP6488522B2 (en) Rotor balance adjustment method
JPH08332459A (en) Centrifugal classifier
US12247565B2 (en) Rotor shaft hub and bearing for a high pressure fluid pump assembly
CA2448743C (en) Decanter centrifuge with a gear box mounted on the bowl
JP2020525272A (en) Separator with direct drive
EP4251888A1 (en) Rotor assembly for a turbomolecular pump
CA3170047C (en) A centrifugal separator
CA3170852C (en) A bearing member for supporting a rotatable axle
RU2004125138A (en) AXIAL FAN WHEEL
JPH11294375A (en) Balance disc device for axial flow pump
SU1126722A1 (en) Centrifugal fan
JP4035326B2 (en) Centrifugal pump bearing device
EP3685921A1 (en) Centrifugal separator
WO2024231403A3 (en) Rotor for a turbomachine, turbomachine, and method for balancing a rotor of a turbomachine
JPH0794840B2 (en) Centrifugal rotating machine
JPS63197561A (en) Centrifugal separator