CN104988781B - 一种木片制浆工艺 - Google Patents
一种木片制浆工艺 Download PDFInfo
- Publication number
- CN104988781B CN104988781B CN201510491072.5A CN201510491072A CN104988781B CN 104988781 B CN104988781 B CN 104988781B CN 201510491072 A CN201510491072 A CN 201510491072A CN 104988781 B CN104988781 B CN 104988781B
- Authority
- CN
- China
- Prior art keywords
- slurry
- wood chip
- tower
- section
- dense
- 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.)
- Active
Links
- 239000002023 wood Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004537 pulping Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 238000004061 bleaching Methods 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000010411 cooking Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 69
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000010025 steaming Methods 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000006396 nitration reaction Methods 0.000 claims description 9
- 235000011149 sulphuric acid Nutrition 0.000 claims description 9
- 239000001117 sulphuric acid Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 238000010306 acid treatment Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 230000020477 pH reduction Effects 0.000 claims description 3
- 229920001131 Pulp (paper) Polymers 0.000 abstract 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510491072.5A CN104988781B (zh) | 2015-08-11 | 2015-08-11 | 一种木片制浆工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510491072.5A CN104988781B (zh) | 2015-08-11 | 2015-08-11 | 一种木片制浆工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104988781A CN104988781A (zh) | 2015-10-21 |
CN104988781B true CN104988781B (zh) | 2017-01-18 |
Family
ID=54300664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510491072.5A Active CN104988781B (zh) | 2015-08-11 | 2015-08-11 | 一种木片制浆工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104988781B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1053989A (ja) * | 1996-05-30 | 1998-02-24 | Sunds Defibrator Pori Oy | 改良されたクラフトパルプを製造するためのバッチ方法 |
CN1279315A (zh) * | 2000-07-20 | 2001-01-10 | 华南理工大学 | 硫酸盐木浆高温二氧化氯漂白方法 |
CN101701429A (zh) * | 2009-10-26 | 2010-05-05 | 昆明理工大学 | 一种缓和硫酸盐蒸煮条件下提高桉木纸浆得率与黏度的方法 |
CN102345241A (zh) * | 2011-09-26 | 2012-02-08 | 山东轻工业学院 | 一种硫酸盐法蒸煮的针阔混合化学浆的漂白工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR088750A1 (es) * | 2011-08-30 | 2014-07-02 | Cargill Inc | Procesos de elaboracion de pulpa |
-
2015
- 2015-08-11 CN CN201510491072.5A patent/CN104988781B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1053989A (ja) * | 1996-05-30 | 1998-02-24 | Sunds Defibrator Pori Oy | 改良されたクラフトパルプを製造するためのバッチ方法 |
CN1279315A (zh) * | 2000-07-20 | 2001-01-10 | 华南理工大学 | 硫酸盐木浆高温二氧化氯漂白方法 |
CN101701429A (zh) * | 2009-10-26 | 2010-05-05 | 昆明理工大学 | 一种缓和硫酸盐蒸煮条件下提高桉木纸浆得率与黏度的方法 |
CN102345241A (zh) * | 2011-09-26 | 2012-02-08 | 山东轻工业学院 | 一种硫酸盐法蒸煮的针阔混合化学浆的漂白工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN104988781A (zh) | 2015-10-21 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wood chip pulping process Effective date of registration: 20211227 Granted publication date: 20170118 Pledgee: Zhanjiang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Registration number: Y2021980016383 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221109 Granted publication date: 20170118 Pledgee: Zhanjiang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Registration number: Y2021980016383 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Wood Chip Pulping Process Effective date of registration: 20221117 Granted publication date: 20170118 Pledgee: Zhanjiang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Registration number: Y2022440000307 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170118 Pledgee: Zhanjiang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Registration number: Y2022440000307 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Wood Chip Pulping Process Granted publication date: 20170118 Pledgee: Zhanjiang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Registration number: Y2024980006511 |