EP0658648A3 - Process and apparatus for continuously separating desirable and undesirable substances in a fibrous suspension. - Google Patents

Process and apparatus for continuously separating desirable and undesirable substances in a fibrous suspension. Download PDF

Info

Publication number
EP0658648A3
EP0658648A3 EP94117139A EP94117139A EP0658648A3 EP 0658648 A3 EP0658648 A3 EP 0658648A3 EP 94117139 A EP94117139 A EP 94117139A EP 94117139 A EP94117139 A EP 94117139A EP 0658648 A3 EP0658648 A3 EP 0658648A3
Authority
EP
European Patent Office
Prior art keywords
fibrous suspension
undesirable substances
continuously separating
separating desirable
desirable
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.)
Granted
Application number
EP94117139A
Other languages
German (de)
French (fr)
Other versions
EP0658648A2 (en
EP0658648B1 (en
Inventor
Hans-Joachim Dr Schultz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0658648A2 publication Critical patent/EP0658648A2/en
Publication of EP0658648A3 publication Critical patent/EP0658648A3/en
Application granted granted Critical
Publication of EP0658648B1 publication Critical patent/EP0658648B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D21D5/24—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/06—Regulating pulp flow
    • D21F1/065—Shock-absorbing devices
EP94117139A 1993-12-11 1994-10-29 Process and apparatus for continuously separating desirable and undesirable substances in a fibrous suspension Expired - Lifetime EP0658648B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4342289A DE4342289A1 (en) 1993-12-11 1993-12-11 Method and device for continuously separating desired from undesired substances contained in a substance suspension
DE4342289 1993-12-11

Publications (3)

Publication Number Publication Date
EP0658648A2 EP0658648A2 (en) 1995-06-21
EP0658648A3 true EP0658648A3 (en) 1996-02-07
EP0658648B1 EP0658648B1 (en) 2000-01-12

Family

ID=6504752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117139A Expired - Lifetime EP0658648B1 (en) 1993-12-11 1994-10-29 Process and apparatus for continuously separating desirable and undesirable substances in a fibrous suspension

Country Status (2)

Country Link
EP (1) EP0658648B1 (en)
DE (2) DE4342289A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637031A1 (en) * 1996-09-12 1998-03-19 Boltersdorf Hans Joachim Recovery process for fibrous and plastic materials from rejects from pulpers
DE29916596U1 (en) * 1999-09-21 2000-01-05 Voith Sulzer Papiertech Patent Hydrocyclone plant
WO2006095349A1 (en) 2005-03-10 2006-09-14 Refael Aharon Method of recycling fibers from sewage sludge and means thereof
US8617281B2 (en) 2007-08-13 2013-12-31 Applied Cleantech, Inc Methods and systems for feedstock production from sewage and product manufacturing therefrom
DE102021117902A1 (en) * 2021-07-12 2023-01-12 Voith Patent Gmbh Hydrocyclone arrangement for the centrifugal separation of solids from a suspension
WO2023285216A1 (en) * 2021-07-12 2023-01-19 Voith Patent Gmbh Hydrocyclone for fibre treatment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926751A1 (en) * 1978-07-06 1980-01-31 Oishikikai Mfg Co DEVICE FOR SEPARATING FOREIGN MATERIALS FROM PAPER MATERIAL SUSPENSIONS
DE4114668A1 (en) * 1991-05-06 1992-11-12 Schultz Hans Joachim Dr Ing Pulp supply on paper making machines - has distributor in pulsation damper with individual supply lines to narrow sections across machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926751A1 (en) * 1978-07-06 1980-01-31 Oishikikai Mfg Co DEVICE FOR SEPARATING FOREIGN MATERIALS FROM PAPER MATERIAL SUSPENSIONS
DE4114668A1 (en) * 1991-05-06 1992-11-12 Schultz Hans Joachim Dr Ing Pulp supply on paper making machines - has distributor in pulsation damper with individual supply lines to narrow sections across machine

Also Published As

Publication number Publication date
DE59409073D1 (en) 2000-02-17
DE4342289A1 (en) 1995-06-14
EP0658648A2 (en) 1995-06-21
EP0658648B1 (en) 2000-01-12

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