CN115667621A - 连续法牛皮纸蒸煮塔中筛网的解堵或清洁方法 - Google Patents

连续法牛皮纸蒸煮塔中筛网的解堵或清洁方法 Download PDF

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Publication number
CN115667621A
CN115667621A CN202180036782.2A CN202180036782A CN115667621A CN 115667621 A CN115667621 A CN 115667621A CN 202180036782 A CN202180036782 A CN 202180036782A CN 115667621 A CN115667621 A CN 115667621A
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CN
China
Prior art keywords
screen
ring
cooking
cleaning liquid
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.)
Pending
Application number
CN202180036782.2A
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English (en)
Chinese (zh)
Inventor
卡洛斯·维恰诺·科斯塔·圣托斯
卡洛斯·阿尔贝托·莫罗米扎托
格拉西奥·弗朗西斯科·德·莫拉
杰弗森·博尔赫斯·达·西尔瓦
乔纳塔斯·卡洛斯·佩雷拉·德·阿拉约
卢卡斯·拉莫斯·利玛
玛丽亚·艾米莉亚·德拉蒙德·布隆斯基
保罗·约塞·德·卡斯特罗
里卡多·加迪曼·萨瓦西尼
泰斯·西蒙·德·阿尔梅达·里贝罗
瓦尔德米尔·罗德里格斯·阿尔维斯
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.)
Suzano SA
Original Assignee
Suzano SA
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 Suzano SA filed Critical Suzano SA
Publication of CN115667621A publication Critical patent/CN115667621A/zh
Pending legal-status Critical Current

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    • 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
    • D21C7/12—Devices for regulating or controlling
    • 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
    • D21C7/14—Means for circulating the lye

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  • Paper (AREA)
CN202180036782.2A 2020-05-22 2021-05-24 连续法牛皮纸蒸煮塔中筛网的解堵或清洁方法 Pending CN115667621A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063029134P 2020-05-22 2020-05-22
US63/029,134 2020-05-22
PCT/BR2021/050221 WO2021232132A1 (en) 2020-05-22 2021-05-24 Method for unplugging or cleaning a screen in a continuous process kraft cooking digester

Publications (1)

Publication Number Publication Date
CN115667621A true CN115667621A (zh) 2023-01-31

Family

ID=78708828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180036782.2A Pending CN115667621A (zh) 2020-05-22 2021-05-24 连续法牛皮纸蒸煮塔中筛网的解堵或清洁方法

Country Status (7)

Country Link
CN (1) CN115667621A (es)
BR (1) BR112022023799A2 (es)
CL (1) CL2022003257A1 (es)
FI (1) FI20226149A1 (es)
SE (1) SE2251530A1 (es)
UY (1) UY39227A (es)
WO (1) WO2021232132A1 (es)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE357219B (es) * 1970-02-11 1973-06-18 Kamyr Ab
US4040901A (en) * 1976-08-16 1977-08-09 Esco Corporation Mounting for sectional screen
US4568419A (en) * 1984-02-27 1986-02-04 Laakso Oliver A Method of treating comminuted cellulosic fibrous material in a vertical vessel
WO1994023119A1 (en) * 1993-04-05 1994-10-13 Kvaerner Pulping Technologies Ab Reciprocal movable screens in a vertically elongated vessel
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
SE502486C2 (sv) * 1994-02-18 1995-10-30 Kvaerner Pulping Tech Förfarande och anordning av ventil för avdragning och backspolning av exv. kokarvätska vid cellulosakokare samt användning därav vid kokarsilar
JP2835825B2 (ja) * 1995-10-02 1998-12-14 クヴァナパルピング株式会社 蒸解釜内部スクリーンの閉塞防止装置
US7799173B2 (en) * 2007-01-18 2010-09-21 Andritz Inc. Screen plates having diagonal slots with curved inlets for a digester
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
US7976682B2 (en) * 2008-09-23 2011-07-12 Andritz Inc. Hinged screen plate for drum pulp washer and method for cleaning the plate
WO2012005643A1 (en) * 2010-07-09 2012-01-12 Metso Paper Sweden Ab Method and system for impregnating chips

Also Published As

Publication number Publication date
FI20226149A1 (en) 2022-12-21
CL2022003257A1 (es) 2023-06-30
BR112022023799A2 (pt) 2022-12-27
SE2251530A1 (en) 2022-12-21
UY39227A (es) 2021-12-31
WO2021232132A1 (en) 2021-11-25

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