DE59304192D1 - Waste paper digester - Google Patents

Waste paper digester

Info

Publication number
DE59304192D1
DE59304192D1 DE59304192T DE59304192T DE59304192D1 DE 59304192 D1 DE59304192 D1 DE 59304192D1 DE 59304192 T DE59304192 T DE 59304192T DE 59304192 T DE59304192 T DE 59304192T DE 59304192 D1 DE59304192 D1 DE 59304192D1
Authority
DE
Germany
Prior art keywords
digester
waste paper
waste
paper
paper digester
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 - Fee Related
Application number
DE59304192T
Other languages
German (de)
Inventor
Helmut Konecsny
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.)
JM Voith GmbH
Original Assignee
JM Voith GmbH
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 JM Voith GmbH filed Critical JM Voith GmbH
Application granted granted Critical
Publication of DE59304192D1 publication Critical patent/DE59304192D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
DE59304192T 1992-12-05 1993-11-12 Waste paper digester Expired - Fee Related DE59304192D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4241039 1992-12-05
DE19934305687 DE4305687A1 (en) 1992-12-05 1993-02-25 Waste paper digester

Publications (1)

Publication Number Publication Date
DE59304192D1 true DE59304192D1 (en) 1996-11-21

Family

ID=6474520

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19934305687 Withdrawn DE4305687A1 (en) 1992-12-05 1993-02-25 Waste paper digester
DE59304192T Expired - Fee Related DE59304192D1 (en) 1992-12-05 1993-11-12 Waste paper digester

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19934305687 Withdrawn DE4305687A1 (en) 1992-12-05 1993-02-25 Waste paper digester

Country Status (2)

Country Link
KR (1) KR940015096A (en)
DE (2) DE4305687A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904349A1 (en) * 1998-12-17 2000-06-21 Voith Sulzer Papiertech Patent Pulping used paper for recycling has a loosening stage where the hydrogen bridges are broken by steam or gas before a mechanical stirring stage to prepare a suspension for the separation of impurities
DK2163683T3 (en) * 2008-08-28 2011-04-26 Hans-Joachim Boltersdorf Pulps with a sieve plate and use of such pulps

Also Published As

Publication number Publication date
DE4305687A1 (en) 1994-06-09
KR940015096A (en) 1994-07-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee