WO1988007402A1 - Suction dryer - Google Patents

Suction dryer Download PDF

Info

Publication number
WO1988007402A1
WO1988007402A1 PCT/FI1988/000034 FI8800034W WO8807402A1 WO 1988007402 A1 WO1988007402 A1 WO 1988007402A1 FI 8800034 W FI8800034 W FI 8800034W WO 8807402 A1 WO8807402 A1 WO 8807402A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
stator
rotor
fitted
timing
Prior art date
Application number
PCT/FI1988/000034
Other languages
English (en)
French (fr)
Inventor
Veikko Varjonen
Göran NORRGÅRD
Original Assignee
Valmet Paper Machinery Inc.
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 Valmet Paper Machinery Inc. filed Critical Valmet Paper Machinery Inc.
Publication of WO1988007402A1 publication Critical patent/WO1988007402A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/82—Means for pressure distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
PCT/FI1988/000034 1987-03-25 1988-03-10 Suction dryer WO1988007402A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI871312A FI77161C (fi) 1987-03-25 1987-03-25 Sugtorkanordning.
FI871312 1987-03-25

Publications (1)

Publication Number Publication Date
WO1988007402A1 true WO1988007402A1 (en) 1988-10-06

Family

ID=8524195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1988/000034 WO1988007402A1 (en) 1987-03-25 1988-03-10 Suction dryer

Country Status (5)

Country Link
AU (1) AU1495888A (fi)
CA (1) CA1322336C (fi)
ES (1) ES2007164A6 (fi)
FI (1) FI77161C (fi)
WO (1) WO1988007402A1 (fi)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956088A (en) * 1988-05-06 1990-09-11 Outokumpu Oy Method and apparatus for pressurized dewatering
WO1991018660A1 (en) * 1990-06-04 1991-12-12 Ecc International Inc. Method for producing high solids slurries of clay water products
US5213687A (en) * 1990-06-04 1993-05-25 Ecc International Inc. Apparatus for filtering mineral slurries
US5223155A (en) * 1990-06-04 1993-06-29 Ecc International Inc. Method for filtering mineral slurries
WO1993014857A1 (en) * 1992-01-22 1993-08-05 Ecc International, Inc. Method for filtering mineral slurries
WO2010041087A1 (en) * 2008-10-10 2010-04-15 National Oilwell Varco, L.P. Method and apparatus for separating solids from solids laden drilling fluid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452874A (en) * 1967-11-02 1969-07-01 Dorr Oliver Inc Trunnion valve for continuous rotary filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452874A (en) * 1967-11-02 1969-07-01 Dorr Oliver Inc Trunnion valve for continuous rotary filters

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956088A (en) * 1988-05-06 1990-09-11 Outokumpu Oy Method and apparatus for pressurized dewatering
WO1991018660A1 (en) * 1990-06-04 1991-12-12 Ecc International Inc. Method for producing high solids slurries of clay water products
US5098583A (en) * 1990-06-04 1992-03-24 Ecc America Inc. Method for producing high solids slurries of clay water products
US5213687A (en) * 1990-06-04 1993-05-25 Ecc International Inc. Apparatus for filtering mineral slurries
US5223155A (en) * 1990-06-04 1993-06-29 Ecc International Inc. Method for filtering mineral slurries
AU649047B2 (en) * 1990-06-04 1994-05-12 Ecc International Inc. Method for producing high solids slurries of clay water products
WO1993014854A1 (en) * 1992-01-22 1993-08-05 Ecc International, Inc. Apparatus for filtering mineral slurries
WO1993014855A1 (en) * 1992-01-22 1993-08-05 Ecc International, Inc. Method for filtering mineral slurries
WO1993014856A1 (en) * 1992-01-22 1993-08-05 Ecc International, Inc. Apparatus for filtering mineral slurries
WO1993014857A1 (en) * 1992-01-22 1993-08-05 Ecc International, Inc. Method for filtering mineral slurries
WO2010041087A1 (en) * 2008-10-10 2010-04-15 National Oilwell Varco, L.P. Method and apparatus for separating solids from solids laden drilling fluid
US7886850B2 (en) 2008-10-10 2011-02-15 National Oilwell Varco, L.P. Drilling fluid screening systems
GB2476187A (en) * 2008-10-10 2011-06-15 Nat Oilwell Varco Lp Method and apparatus for separating solids from laden drilling fluid
GB2506064A (en) * 2008-10-10 2014-03-19 Nat Oilwell Varco Lp Method and apparatus for separating solids from laden drilling fluid
GB2476187B (en) * 2008-10-10 2014-04-16 Nat Oilwell Varco Lp Method and apparatus for separating solids from solids laden drilling fluid
GB2506064B (en) * 2008-10-10 2014-04-23 Nat Oilwell Varco Lp Method and apparatus for separating solids from solids laden drilling fluid

Also Published As

Publication number Publication date
FI77161B (fi) 1988-10-31
CA1322336C (en) 1993-09-21
ES2007164A6 (es) 1989-06-01
FI77161C (fi) 1989-02-10
AU1495888A (en) 1988-11-02
FI871312A0 (fi) 1987-03-25

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