AT189047B - Process and plant for the continuous pretreatment of papermaking compositions - Google Patents

Process and plant for the continuous pretreatment of papermaking compositions

Info

Publication number
AT189047B
AT189047B AT189047DA AT189047B AT 189047 B AT189047 B AT 189047B AT 189047D A AT189047D A AT 189047DA AT 189047 B AT189047 B AT 189047B
Authority
AT
Austria
Prior art keywords
plant
continuous pretreatment
papermaking compositions
papermaking
compositions
Prior art date
Application number
Other languages
German (de)
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
Application granted granted Critical
Publication of AT189047B publication Critical patent/AT189047B/en

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
AT189047D 1953-07-22 1954-05-12 Process and plant for the continuous pretreatment of papermaking compositions AT189047B (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
AT189047B true AT189047B (en) 1957-02-25

Family

ID=23456170

Family Applications (1)

Application Number Title Priority Date Filing Date
AT189047D AT189047B (en) 1953-07-22 1954-05-12 Process and plant for the continuous pretreatment of papermaking compositions

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206917A (en) * 1961-10-04 1965-09-21 Clark & Vicario Corp Deaerated stock flow control
US3212232A (en) * 1962-04-05 1965-10-19 Black Sivalls & Bryson Inc Method and apparatus for fluid separation

Families Citing this family (21)

* 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
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
DE1155970B (en) * 1958-10-15 1963-10-17 Bauer Bros Co Stock mill for paper stock
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
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
US3235090A (en) * 1961-12-15 1966-02-15 Univ Oklahoma State Hydroclones
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
FI63613C (en) * 1981-06-05 1983-07-11 Enso Gutzeit Oy PAPER MUSCLE PENSION
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
FI122916B (en) * 2007-04-03 2012-08-31 Andritz Oy Device for degassing in connection with a paper machine or the like
PL3507416T3 (en) * 2016-09-01 2020-08-10 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206917A (en) * 1961-10-04 1965-09-21 Clark & Vicario Corp Deaerated stock flow control
US3212232A (en) * 1962-04-05 1965-10-19 Black Sivalls & Bryson Inc Method and apparatus for fluid separation

Also Published As

Publication number Publication date
FR1097654A (en) 1955-07-08
US2717536A (en) 1955-09-13
GB755973A (en) 1956-08-29
DE1038390C2 (en) 1959-02-19
DE1038390B (en) 1958-09-04
FI40265B (en) 1968-07-31

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