EP0475669A3 - A mass tower and apparatus for the discharge thereof - Google Patents

A mass tower and apparatus for the discharge thereof Download PDF

Info

Publication number
EP0475669A3
EP0475669A3 EP19910308097 EP91308097A EP0475669A3 EP 0475669 A3 EP0475669 A3 EP 0475669A3 EP 19910308097 EP19910308097 EP 19910308097 EP 91308097 A EP91308097 A EP 91308097A EP 0475669 A3 EP0475669 A3 EP 0475669A3
Authority
EP
European Patent Office
Prior art keywords
tower
discharge
pulp
mass
mass tower
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
EP19910308097
Other versions
EP0475669B1 (en
EP0475669A2 (en
Inventor
Arto Koso
Voitto Reponen
Reijo Vesala
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom 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 Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of EP0475669A2 publication Critical patent/EP0475669A2/en
Publication of EP0475669A3 publication Critical patent/EP0475669A3/en
Application granted granted Critical
Publication of EP0475669B1 publication Critical patent/EP0475669B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices

Landscapes

  • Paper (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Harvester Elements (AREA)
  • Vibration Prevention Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

The present invention relates to an apparatus for the discharge of a mass tower as used in the pulp and paper industry, which tower is, in use, filled with medium or high consistency pulp. The invention is characterized in that a separate pump (34) is attached to the tower (10) and communicates with the inside of the tower (10) via a suction duct (32, 42) extending to the zone of moving pulp. <IMAGE>
EP91308097A 1990-09-05 1991-09-04 A mass tower and apparatus for the discharge thereof Expired - Lifetime EP0475669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI904374 1990-09-05
FI904374A FI85392C (en) 1990-09-05 1990-09-05 ANORDINATION FROM THE URL TO THE MASSAGE.

Publications (3)

Publication Number Publication Date
EP0475669A2 EP0475669A2 (en) 1992-03-18
EP0475669A3 true EP0475669A3 (en) 1993-01-20
EP0475669B1 EP0475669B1 (en) 1995-11-29

Family

ID=8531020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91308097A Expired - Lifetime EP0475669B1 (en) 1990-09-05 1991-09-04 A mass tower and apparatus for the discharge thereof

Country Status (5)

Country Link
EP (1) EP0475669B1 (en)
AT (1) ATE130887T1 (en)
DE (1) DE69114965T2 (en)
ES (1) ES2082147T3 (en)
FI (1) FI85392C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826879B4 (en) * 1998-06-17 2005-06-02 Voith Paper Patent Gmbh Method and container for stacking high consistency paper pulp
DE10156201C1 (en) * 2001-11-15 2002-10-17 Voith Paper Patent Gmbh To process high consistency paper fiber materials, an initial high consistency volume is held in a stack for a dwell time, to be taken off at the bottom by a circulation flow for dilution and delivery as a suspension
EP2193233B1 (en) * 2007-09-17 2016-02-17 Sulzer Management AG An apparatus for discharging pulp from a vessel, method of discharging pulp form a vessel and method of upgrading a pulp vessel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB150782A (en) * 1919-06-04 1920-09-06 Samuel Milne Improvements in and relating to stationary digesters and the like used in paper making and the like
EP0323749A2 (en) * 1988-01-05 1989-07-12 A. Ahlstrom Corporation Method and means for facilitating the discharge of a drop leg or the like and treating pulp in said space

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB150782A (en) * 1919-06-04 1920-09-06 Samuel Milne Improvements in and relating to stationary digesters and the like used in paper making and the like
EP0323749A2 (en) * 1988-01-05 1989-07-12 A. Ahlstrom Corporation Method and means for facilitating the discharge of a drop leg or the like and treating pulp in said space

Also Published As

Publication number Publication date
ES2082147T3 (en) 1996-03-16
EP0475669B1 (en) 1995-11-29
DE69114965D1 (en) 1996-01-11
FI904374A (en) 1991-12-31
EP0475669A2 (en) 1992-03-18
FI85392C (en) 1992-04-10
FI904374A0 (en) 1990-09-05
ATE130887T1 (en) 1995-12-15
FI85392B (en) 1991-12-31
DE69114965T2 (en) 1996-04-18

Similar Documents

Publication Publication Date Title
JPS5787989A (en) Ink jet recording paper
ATE182108T1 (en) PRINTING PAPER AND INKJET PRINTING METHOD USING THIS PAPER
EP0469743A3 (en) Centrifugal spinning
FI102688B1 (en) Process for making paper, cardboard and paperboard from pulp containing unfavorable substances
GR3015326T3 (en) Concentric smoking filter having discrete tow and web filter media.
EP0475669A3 (en) A mass tower and apparatus for the discharge thereof
IT8323292A0 (en) PROCEDURE FOR THE ASSORTMENT OF FIBROUS MATERIAL, PARTICULARLY FOR THE MANUFACTURE OF PAPER, AS WELL AS ASSORTMENT DEVICE FOR THE IMPLEMENTATION OF THE PROCEDURE.
EP0347088A3 (en) Method and apparatus for pumping high consistency medium
ATE105015T1 (en) GEL COMPOSITION FOR THE MANUFACTURE OF MACHINE WALLS.
ATE443790T1 (en) METHOD FOR MOISTURIZING FIBER MATERIAL
FI942489A (en) Method and apparatus for emptying a reactor
JPS52147918A (en) Facsimile unit
ZA838571B (en) Heterocyclically substituted nitriles,their preparation and their use as drugs
FI872942A (en) FOERFARANDE OCH ANORDNING FOER BESTRYKNING AV EN MATERIALBANA.
FI892911A0 (en) Process for the preparation of a therapeutically useful (+) - 1 - / (3,4,5-trimethoxy) benzyloxymethyl / -1-phenyl-N, N-dimethyl-n-propylamine
FR2693550B3 (en) Device for determining the pressure of a gaseous medium under pressure of a hydropneumatic suspension.
FI920950A (en) Exchanging device for the blade of a scraper in a paper machine and the method of replacing the blade
EP0319780A3 (en) Apparatus for personal use
SE9002527L (en) PROCEDURE AND DEVICE FOR TOWER FEEDING
DE69715984D1 (en) Apparatus for producing a filter medium in sheet form
ES515553A0 (en) &#34;PROCEDURE FOR THE MANUFACTURE OF A CERAMIC PRODUCT&#34;.
JPS52101673A (en) Arrangement of hollow fibrous material
Coulson Every man's guide to quality terminology
NO950273D0 (en) Device for painting mineral products
JPS57190665A (en) Apparatus for coating viscous material

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19910924

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT DE ES FR GB SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT DE ES FR GB SE

17Q First examination report despatched

Effective date: 19931230

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE ES FR GB SE

REF Corresponds to:

Ref document number: 130887

Country of ref document: AT

Date of ref document: 19951215

Kind code of ref document: T

REF Corresponds to:

Ref document number: 69114965

Country of ref document: DE

Date of ref document: 19960111

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2082147

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20090922

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20090915

Year of fee payment: 19

Ref country code: AT

Payment date: 20090916

Year of fee payment: 19

Ref country code: GB

Payment date: 20090922

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20090922

Year of fee payment: 19

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100904

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110531

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69114965

Country of ref document: DE

Effective date: 20110401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110401

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100904

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100904

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20091001

Year of fee payment: 19

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20111118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100905

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100905