GB755973A - Improvements in or relating to the de-aerating and cleaning of paper pulp - Google Patents

Improvements in or relating to the de-aerating and cleaning of paper pulp

Info

Publication number
GB755973A
GB755973A GB35076/53A GB3507653A GB755973A GB 755973 A GB755973 A GB 755973A GB 35076/53 A GB35076/53 A GB 35076/53A GB 3507653 A GB3507653 A GB 3507653A GB 755973 A GB755973 A GB 755973A
Authority
GB
United Kingdom
Prior art keywords
aerating
relating
cleaning
paper pulp
pulp
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
Application number
GB35076/53A
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.)
ROTAREAED CORP
Original Assignee
ROTAREAED CORP
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 ROTAREAED CORP filed Critical ROTAREAED CORP
Publication of GB755973A publication Critical patent/GB755973A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
    • C08G59/681—Metal alcoholates, phenolates or carboxylates
    • C08G59/685—Carboxylates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
GB35076/53A 1953-07-22 1953-12-16 Improvements in or relating to the de-aerating and cleaning of paper pulp Expired GB755973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369614A US2717536A (en) 1952-12-24 1953-07-22 Conditioning paper-making stock

Publications (1)

Publication Number Publication Date
GB755973A true GB755973A (en) 1956-08-29

Family

ID=23456170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35076/53A Expired GB755973A (en) 1953-07-22 1953-12-16 Improvements in or relating to the de-aerating and cleaning of paper pulp

Country Status (6)

Country Link
US (1) US2717536A (en)
AT (1) AT189047B (en)
DE (1) DE1038390C2 (en)
FI (1) FI40265B (en)
FR (1) FR1097654A (en)
GB (1) GB755973A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1078998B (en) * 1957-05-21 1960-04-07 Heinz Hogenkamp Dipl Phys Multi-stage pipe centrifugal system for cleaning, especially of aqueous paper and cellulose suspensions
US3131117A (en) * 1960-03-01 1964-04-28 Clark & Vicario Corp Treating paper-making stock by vacuum deaeration prior to addition of diluting water
DE1293129B (en) * 1959-07-01 1969-04-24 Bauer Bros Company Method and device for purifying suspensions
FR2507219A1 (en) * 1981-06-05 1982-12-10 Enso Gutzeit Oy PULP DEGASSING MEANS
WO2008119872A1 (en) * 2007-04-03 2008-10-09 Andritz Oy An apparatus for removing gas in connection with a paper machine or corresponding
US11015292B2 (en) * 2016-09-01 2021-05-25 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931503A (en) * 1953-04-21 1960-04-05 Clark & Vicario Corp Conditioning paper-making stock
US2858211A (en) * 1956-02-13 1958-10-28 Condi Engineering Corp Apparatus for wood chip digestion
US2991646A (en) * 1956-09-20 1961-07-11 Phillips Petroleum Co Sampling system for a process analyzer
US2877693A (en) * 1957-01-11 1959-03-17 Ernest A Poirier Suction box extraction apparatus
DE1155970B (en) * 1958-10-15 1963-10-17 Bauer Bros Co Stock mill for paper stock
DE1229832B (en) * 1961-10-04 1966-12-01 Clark & Vicario Corp Method and device for the essentially constant supply of aqueous paper pulp in machines for paper production
US3206917A (en) * 1961-10-04 1965-09-21 Clark & Vicario Corp Deaerated stock flow control
US3235090A (en) * 1961-12-15 1966-02-15 Univ Oklahoma State Hydroclones
US3212232A (en) * 1962-04-05 1965-10-19 Black Sivalls & Bryson Inc Method and apparatus for fluid separation
US3237763A (en) * 1962-07-06 1966-03-01 Wikdahl Nils Anders Lennart Method and apparatus for concentrating fibrous suspensions
US3294236A (en) * 1965-01-28 1966-12-27 American Instr Co Inc Method for pneumatically elutriating solid particles
SE361268B (en) * 1972-03-16 1973-10-29 K Robinson
US3421622A (en) * 1965-08-19 1969-01-14 Nichols Eng & Res Corp Cleaning and deaerating paper pulp suspensions
US3538680A (en) * 1967-12-29 1970-11-10 Clark & Vicario Corp Papermaking apparatus and process
US4197193A (en) * 1975-10-21 1980-04-08 J. M. Voith Gmbh Apparatus for classifying the constituents of dilute suspensions of fibers
DE3211784C1 (en) * 1982-03-30 1983-11-03 Kraftwerk Union AG, 4330 Mülheim Device for dewatering steam in steam power plants
FI19991793A (en) * 1999-08-23 2001-02-24 Andritz Ahlstrom Oy Method for controlling the operation of an inflow system of a paper machine or the like

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346005A (en) * 1940-08-15 1944-04-04 Tandy A Bryson Vortex separator
US2642950A (en) * 1951-11-30 1953-06-23 Rotareaed Corp Deaerating a suspension of cellulosic fibers

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1078998B (en) * 1957-05-21 1960-04-07 Heinz Hogenkamp Dipl Phys Multi-stage pipe centrifugal system for cleaning, especially of aqueous paper and cellulose suspensions
DE1293129B (en) * 1959-07-01 1969-04-24 Bauer Bros Company Method and device for purifying suspensions
US3131117A (en) * 1960-03-01 1964-04-28 Clark & Vicario Corp Treating paper-making stock by vacuum deaeration prior to addition of diluting water
FR2507219A1 (en) * 1981-06-05 1982-12-10 Enso Gutzeit Oy PULP DEGASSING MEANS
WO2008119872A1 (en) * 2007-04-03 2008-10-09 Andritz Oy An apparatus for removing gas in connection with a paper machine or corresponding
US8157966B2 (en) 2007-04-03 2012-04-17 Andritz Oy Apparatus for removing gas in connection with a paper machine or corresponding
CN101835935B (en) * 2007-04-03 2013-05-08 安德里兹私人有限公司 An apparatus for removing gas in connection with a paper machine or corresponding
US11015292B2 (en) * 2016-09-01 2021-05-25 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens
US11807986B2 (en) 2016-09-01 2023-11-07 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens

Also Published As

Publication number Publication date
FR1097654A (en) 1955-07-08
DE1038390B (en) 1958-09-04
US2717536A (en) 1955-09-13
FI40265B (en) 1968-07-31
AT189047B (en) 1957-02-25
DE1038390C2 (en) 1959-02-19

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