EP2017382A3 - Impregnation vessel with convergence side relief and method for heat injection at convergence - Google Patents
Impregnation vessel with convergence side relief and method for heat injection at convergence Download PDFInfo
- Publication number
- EP2017382A3 EP2017382A3 EP08012827A EP08012827A EP2017382A3 EP 2017382 A3 EP2017382 A3 EP 2017382A3 EP 08012827 A EP08012827 A EP 08012827A EP 08012827 A EP08012827 A EP 08012827A EP 2017382 A3 EP2017382 A3 EP 2017382A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- vessel
- convergence
- cellulosic material
- cavity
- impregnation vessel
- 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.)
- Withdrawn
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
-
- 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
Landscapes
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94998707P | 2007-07-16 | 2007-07-16 | |
US12/141,244 US20090020244A1 (en) | 2007-07-16 | 2008-06-18 | Impregnation vessel with convergence side relief and method for heat injection at convergence |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2017382A2 EP2017382A2 (en) | 2009-01-21 |
EP2017382A3 true EP2017382A3 (en) | 2009-04-15 |
Family
ID=39876812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08012827A Withdrawn EP2017382A3 (en) | 2007-07-16 | 2008-07-16 | Impregnation vessel with convergence side relief and method for heat injection at convergence |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090020244A1 (en) |
EP (1) | EP2017382A3 (en) |
JP (1) | JP2009024322A (en) |
AU (1) | AU2008202747B2 (en) |
BR (1) | BRPI0802452A2 (en) |
CA (1) | CA2635871A1 (en) |
CL (1) | CL2008002050A1 (en) |
RU (1) | RU2469142C2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8320191B2 (en) | 2007-08-30 | 2012-11-27 | Infineon Technologies Ag | Memory cell arrangement, method for controlling a memory cell, memory array and electronic device |
US8628623B2 (en) | 2009-12-21 | 2014-01-14 | Andritz Technology And Asset Management Gmbh | Method and process for dry discharge in a pressurized pretreatment reactor |
RU2515518C1 (en) * | 2010-07-09 | 2014-05-10 | Метсо Пейпер Свиден Аб | Method and system of chip impregnation |
MX2013010773A (en) * | 2011-03-25 | 2013-10-17 | Andritz Inc | Reactor vessel having single convergence sidewall plates. |
MX2015002960A (en) * | 2012-09-19 | 2015-06-02 | Andritz Inc | Method and apparatus for adding steam for a steam explosion pretreatment process. |
WO2018217149A1 (en) * | 2017-05-24 | 2018-11-29 | Valmet Ab | System and chip chute for feeding comminuted cellulosic material |
US11371185B2 (en) | 2018-10-29 | 2022-06-28 | Valmet Ab | Outlet system for transporting comminuted lignocellulosic material from a vessel and vessel comprising such an outlet system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746400A (en) * | 1979-07-30 | 1988-05-24 | Kamyr, Inc. | Method of treating cellulosic chips in a vessel with a false bottom |
US5500083A (en) * | 1994-02-01 | 1996-03-19 | Kamyr, Inc. | Method of feeding cellulosic material to a digester using a chip bin with one dimensional convergence and side relief |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1681A (en) * | 1840-07-10 | Improvement in locomotives for consuming sparks | ||
SE431662B (en) * | 1974-07-05 | 1984-02-20 | Kamyr Ab | KEEP ON CONTINUOUS COOKING OF FIBER MATERIAL |
US4432836A (en) * | 1979-07-30 | 1984-02-21 | Kamyr, Inc. | Vessel false bottoming |
SU953051A1 (en) * | 1981-01-15 | 1982-08-23 | Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности | Installation for producing pulp |
US4958741A (en) * | 1989-06-14 | 1990-09-25 | Jr Johanson, Inc. | Modular mass-flow bin |
RU2124600C1 (en) * | 1994-02-01 | 1999-01-10 | Альстрем Машинери Инк. | Method for feeding ground cellulose material into cooking boiler, chip hopper having hollow linear-flow, side discharge adapter part, chip hopper unit construction, apparatus for producing cellulose from wood chips |
US5500084A (en) * | 1994-09-21 | 1996-03-19 | Hoffman Environmental Systems, Inc. | Method and apparatus for pulping cellulosic material using a vessel with an impergnation zone and an attrition zone |
USH1681H (en) * | 1995-03-10 | 1997-10-07 | Ahlstrom Machinery Inc. | Discharge from pulping vessels without the aid of mechanical agitation |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
SE528571C2 (en) * | 2005-03-23 | 2006-12-19 | Kvaerner Pulping Tech | Arrangement for feeding a chip suspension from a vessel to a boiler |
-
2008
- 2008-06-18 US US12/141,244 patent/US20090020244A1/en not_active Abandoned
- 2008-06-23 AU AU2008202747A patent/AU2008202747B2/en not_active Ceased
- 2008-06-25 CA CA002635871A patent/CA2635871A1/en not_active Abandoned
- 2008-07-14 CL CL2008002050A patent/CL2008002050A1/en unknown
- 2008-07-14 JP JP2008182306A patent/JP2009024322A/en not_active Ceased
- 2008-07-15 RU RU2008129034/12A patent/RU2469142C2/en not_active IP Right Cessation
- 2008-07-15 BR BRPI0802452-9A patent/BRPI0802452A2/en not_active IP Right Cessation
- 2008-07-16 EP EP08012827A patent/EP2017382A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746400A (en) * | 1979-07-30 | 1988-05-24 | Kamyr, Inc. | Method of treating cellulosic chips in a vessel with a false bottom |
US5500083A (en) * | 1994-02-01 | 1996-03-19 | Kamyr, Inc. | Method of feeding cellulosic material to a digester using a chip bin with one dimensional convergence and side relief |
US5628873A (en) * | 1994-02-01 | 1997-05-13 | Ahlstrom Machinery Inc. | Chip bin assembly including a hollow transition with one dimensional convergence and side relief |
Also Published As
Publication number | Publication date |
---|---|
CL2008002050A1 (en) | 2009-01-16 |
RU2008129034A (en) | 2010-01-20 |
JP2009024322A (en) | 2009-02-05 |
RU2469142C2 (en) | 2012-12-10 |
EP2017382A2 (en) | 2009-01-21 |
AU2008202747A1 (en) | 2009-02-05 |
BRPI0802452A2 (en) | 2009-04-22 |
AU2008202747B2 (en) | 2011-11-24 |
CA2635871A1 (en) | 2009-01-16 |
US20090020244A1 (en) | 2009-01-22 |
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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 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
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AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
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PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
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AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B65D 88/64 20060101ALI20090309BHEP Ipc: B65D 88/26 20060101ALI20090309BHEP Ipc: D21C 3/24 20060101ALI20090309BHEP Ipc: D21C 7/00 20060101ALI20090309BHEP Ipc: D21C 1/00 20060101AFI20081104BHEP |
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TPAC | Observations filed by third parties |
Free format text: ORIGINAL CODE: EPIDOSNTIPA |
|
17P | Request for examination filed |
Effective date: 20090626 |
|
AKX | Designation fees paid |
Designated state(s): AT DE ES FI PT SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20131210 |