ATE105346T1 - DEVICE FOR THICKENING FIBER SUSPENSIONS. - Google Patents

DEVICE FOR THICKENING FIBER SUSPENSIONS.

Info

Publication number
ATE105346T1
ATE105346T1 AT9090103408T AT90103408T ATE105346T1 AT E105346 T1 ATE105346 T1 AT E105346T1 AT 9090103408 T AT9090103408 T AT 9090103408T AT 90103408 T AT90103408 T AT 90103408T AT E105346 T1 ATE105346 T1 AT E105346T1
Authority
AT
Austria
Prior art keywords
roller
fiber suspensions
drainage
thickening fiber
parallel
Prior art date
Application number
AT9090103408T
Other languages
German (de)
Inventor
Theodor Baehr
Walter Schneider
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Application granted granted Critical
Publication of ATE105346T1 publication Critical patent/ATE105346T1/en

Links

Classifications

    • 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
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/80—Pulp catching, de-watering, or recovering; Re-use of pulp-water using endless screening belts

Landscapes

  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polymerisation Methods In General (AREA)
  • Bridges Or Land Bridges (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The drainage apparatus consists of two parallel rollers 1 and 2, of which the first has transverse grooves, that is to say grooves 21 parallel to the roller axis, and the second hollow roller 2 drainage bores 18 in its casing. A relatively large quantity of material can consequently be introduced between the screen band 6 and the surface of the first roller 1, and the drainage capacity of the second roller 2 can also be increased. <IMAGE>
AT9090103408T 1989-03-01 1990-02-22 DEVICE FOR THICKENING FIBER SUSPENSIONS. ATE105346T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3906452A DE3906452A1 (en) 1989-03-01 1989-03-01 DEVICE FOR THICKENING FIBER SUSPENSIONS
EP90103408A EP0400270B1 (en) 1989-03-01 1990-02-22 Installation for thickening fibre suspensions

Publications (1)

Publication Number Publication Date
ATE105346T1 true ATE105346T1 (en) 1994-05-15

Family

ID=6375226

Family Applications (1)

Application Number Title Priority Date Filing Date
AT9090103408T ATE105346T1 (en) 1989-03-01 1990-02-22 DEVICE FOR THICKENING FIBER SUSPENSIONS.

Country Status (4)

Country Link
EP (1) EP0400270B1 (en)
AT (1) ATE105346T1 (en)
DE (2) DE3906452A1 (en)
ES (1) ES2052085T3 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365658A (en) * 1939-06-20 1944-12-19 American Voith Contact Co Inc Apparatus for the removal of water, liquors, or other liquids from soaked masses of fibrous materials
DE2138072B2 (en) * 1971-07-30 1973-10-31 J.M. Voith Gmbh, 7920 Heidenheim Band pressure filter
US3877366A (en) * 1973-12-28 1975-04-15 Nivoba Bv Press Filter
DE3123131C2 (en) * 1981-06-11 1986-01-09 J.M. Voith Gmbh, 7920 Heidenheim Dewatering roller with water drainage element for a paper machine screen belt
CH653912A5 (en) * 1982-02-16 1986-01-31 Von Roll Ag BELT FILTER PRESS FOR FILTERING A TURBLE.
DE8528848U1 (en) * 1985-10-10 1985-11-28 Gebr. Bellmer GmbH + Co KG Maschinenfabrik, 7532 Niefern Press roll, especially for the high pressure area in belt filter presses
US4722793A (en) * 1986-07-03 1988-02-02 The Black Clawson Company Apparatus and method for thickening pulp and paper stock

Also Published As

Publication number Publication date
EP0400270B1 (en) 1994-05-04
EP0400270A3 (en) 1991-09-25
EP0400270A2 (en) 1990-12-05
ES2052085T3 (en) 1994-07-01
DE3906452A1 (en) 1990-09-13
DE59005584D1 (en) 1994-06-09

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Legal Events

Date Code Title Description
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