ES2052085T3 - DEVICE TO THICKEN FIBER SUSPENSIONS. - Google Patents

DEVICE TO THICKEN FIBER SUSPENSIONS.

Info

Publication number
ES2052085T3
ES2052085T3 ES90103408T ES90103408T ES2052085T3 ES 2052085 T3 ES2052085 T3 ES 2052085T3 ES 90103408 T ES90103408 T ES 90103408T ES 90103408 T ES90103408 T ES 90103408T ES 2052085 T3 ES2052085 T3 ES 2052085T3
Authority
ES
Spain
Prior art keywords
roller
thicken
fiber suspensions
drainage
parallel
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 - Lifetime
Application number
ES90103408T
Other languages
Spanish (es)
Inventor
Theodor Bahr
Walter Schneider
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 ES2052085T3 publication Critical patent/ES2052085T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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>
ES90103408T 1989-03-01 1990-02-22 DEVICE TO THICKEN FIBER SUSPENSIONS. Expired - Lifetime ES2052085T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3906452A DE3906452A1 (en) 1989-03-01 1989-03-01 DEVICE FOR THICKENING FIBER SUSPENSIONS

Publications (1)

Publication Number Publication Date
ES2052085T3 true ES2052085T3 (en) 1994-07-01

Family

ID=6375226

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90103408T Expired - Lifetime ES2052085T3 (en) 1989-03-01 1990-02-22 DEVICE TO THICKEN 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
DE3906452A1 (en) 1990-09-13
DE59005584D1 (en) 1994-06-09
ATE105346T1 (en) 1994-05-15

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