JP3819017B2 - ガス化学薬品を繊維懸濁液に混合する方法および装置 - Google Patents
ガス化学薬品を繊維懸濁液に混合する方法および装置 Download PDFInfo
- Publication number
- JP3819017B2 JP3819017B2 JP2005205646A JP2005205646A JP3819017B2 JP 3819017 B2 JP3819017 B2 JP 3819017B2 JP 2005205646 A JP2005205646 A JP 2005205646A JP 2005205646 A JP2005205646 A JP 2005205646A JP 3819017 B2 JP3819017 B2 JP 3819017B2
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- Prior art keywords
- gas
- mixing
- blade
- pulp
- fiber suspension
- 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 - Fee Related
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 127
- 239000000835 fiber Substances 0.000 title claims abstract description 71
- 239000000725 suspension Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000000126 substance Substances 0.000 title description 19
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000000265 homogenisation Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 16
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 137
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 34
- 238000004061 bleaching Methods 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000009825 accumulation Methods 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237613—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
- B01F27/707—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
図1の実施例で処理される繊維懸濁液は、ケーシング壁の開口26および混合装置ケーシング10内に配置された導管16を通して、予備混合空間すなわち領域と称される第1混合チャンバ28に半径方向または接線方向にて供給され、またこのチャンバ28に対して混合されるガスもまた図示実施例によれば混合装置ケーシング10の端部12の導管20を通して導かれる。前記ガス給送導管は、繊維懸濁液の入口導管16または混合装置の更に上流側を流れるパルプの給送パイプに対して(図示せず)、ケーシング壁30にも配置することができる(例えば図2に符号120および130で示される)。考慮しなければならない唯一の事項は、ガスがパルプと有効に混合されるまでにそのかなりの部分が消費されてしまうような早期位置にてパルプに対して供給されて、これにより繊維懸濁液の一部がオゾンに対して過剰露出される、換言すれば繊維が劣化されてしまう当然のリスクをも生じるようになされてはならないことである。
好ましい実施例において、多量のガスを混合させる周知の化学薬品混合装置の改良型が本発明による混合装置と比較された。前記混合装置を比較する最も容易な方法は、ガス−繊維懸濁液のガス量の関数として混合に必要なエネルギーの変化を監視することであることを発見した。実施した実験および理論的な演算において、最適な混合では、混合効率はガスが懸濁液に加えられるのと同じ比率で減少することが観察された。換言すれば、20%のガスの追加が約20%だけの混合効率の低下をもたらす。
好ましくは、
これにおいて、
Pg = 体積%としての懸濁液中のガス量、および
Pteor= ガス無しパルプを混合するのに必要な電力
S1、SP1 混合装置
10、440、530 混合装置ケーシング
16、18、20、120、220、226、360、518 導管
22、122 ローター
24 シャフト
28 予備混合領域
30、130 壁
34、50、134、150、234、250、258、334、360 ブレード
35、51 アーム
36、52、136、152 リブ
38 静止混合部材
40 均質化領域
44、144 歯
48、548 保持領域
166、168 切除
176、178 突起
362、364 開口
418 出口チャンネル
Claims (1)
- ブレードを備えたローター、リブのある内壁を備えたケーシング、入口および出口を有する混合装置によって多量のガスを中間的密度(8〜25%)の繊維懸濁液に混合する、a)前記ガスおよび繊維懸濁液を混合装置に通し、b)流動化状態にて繊維懸濁液内に前記ガスを混合し、およびc)このようにして得た混合液を混合装置から取り出す諸段階を含む混合方法であって、段階b)の間にガス−繊維懸濁液の混合液を流動化させると同時に、混合装置を通る流れをスロットル調整することによって、入口および出口における混合液の圧力変動の影響が混合処理中に最少限にとどめられると共に前記入口から前記出口へのガスの局部流れを妨げるように、十分に小さい流れチャンネルを通して繊維懸濁液を流すことにより、均質化領域の混合処理が最適化され、これによりガスが繊維懸濁液全体に均等に分散されることが保証され混合液が均質化されることを特徴とする混合方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI940371A FI98794C (fi) | 1994-01-25 | 1994-01-25 | Menetelmä ja laite kaasumaisen kemikaalin sekoittamiseksi kuitususpensioon |
FI945425A FI103019B1 (fi) | 1994-01-25 | 1994-11-18 | Menetelmä ja laite kaasumaisen kemikaalin sekoittamiseksi kuitususpensioon |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP00970195A Division JP3808520B2 (ja) | 1994-01-25 | 1995-01-25 | ガス化学薬品を繊維懸濁液に混合する方法および装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005299076A JP2005299076A (ja) | 2005-10-27 |
JP3819017B2 true JP3819017B2 (ja) | 2006-09-06 |
Family
ID=26159661
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP00970195A Expired - Lifetime JP3808520B2 (ja) | 1994-01-25 | 1995-01-25 | ガス化学薬品を繊維懸濁液に混合する方法および装置 |
JP2005205646A Expired - Fee Related JP3819017B2 (ja) | 1994-01-25 | 2005-07-14 | ガス化学薬品を繊維懸濁液に混合する方法および装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP00970195A Expired - Lifetime JP3808520B2 (ja) | 1994-01-25 | 1995-01-25 | ガス化学薬品を繊維懸濁液に混合する方法および装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5791778A (ja) |
EP (1) | EP0664150B1 (ja) |
JP (2) | JP3808520B2 (ja) |
AT (1) | ATE171883T1 (ja) |
CA (1) | CA2140563C (ja) |
DE (1) | DE69505159T2 (ja) |
ES (1) | ES2124921T3 (ja) |
FI (1) | FI103019B1 (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI104621B (fi) * | 1996-06-03 | 2000-03-15 | Ahlstroem Oy | Menetelmä ja laite toisen väliaineen sekoittamiseksi ensimmäiseen väliaineeseen |
US6193406B1 (en) | 1996-12-20 | 2001-02-27 | Andritz-Ahlstrom Oy | Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor |
US7128278B2 (en) | 1997-10-24 | 2006-10-31 | Microdiffusion, Inc. | System and method for irritating with aerated water |
US7654728B2 (en) | 1997-10-24 | 2010-02-02 | Revalesio Corporation | System and method for therapeutic application of dissolved oxygen |
US6386751B1 (en) | 1997-10-24 | 2002-05-14 | Diffusion Dynamics, Inc. | Diffuser/emulsifier |
US6702949B2 (en) | 1997-10-24 | 2004-03-09 | Microdiffusion, Inc. | Diffuser/emulsifier for aquaculture applications |
US20050173082A1 (en) * | 1998-08-24 | 2005-08-11 | Arbozon Oy Ltd. | Bleaching of medium consistency pulp with ozone without high shear mixing |
US6431742B2 (en) * | 2000-07-31 | 2002-08-13 | Dow Corning Toray Silicone Co., Ltd. | Continuous mixing apparatus with upper and lower disk impellers each having scrapers |
US6880966B1 (en) | 2002-07-17 | 2005-04-19 | Itt Manufacturing Enterprises, Inc. | Inline high turbulence mixer having combined oblique and transverse stationary vanes |
SE524454E (sv) * | 2002-12-12 | 2007-09-04 | Metso Paper Inc | Anordning för blandning av ett gas- eller vätskeformigt kemikaliemedium med en massasuspension |
SE524466E (sv) * | 2002-12-12 | 2007-09-04 | Metso Paper Inc | Anordning för blandning av ett gas- eller vätskeformigt kemikaliemedium med en massasuspension |
SE524465E (sv) * | 2002-12-12 | 2007-09-04 | Metso Paper Inc | Anordning för blandning av ett gas- eller vätskeformigt medium med en massasuspension |
US8609148B2 (en) | 2006-10-25 | 2013-12-17 | Revalesio Corporation | Methods of therapeutic treatment of eyes |
AU2007349224B2 (en) | 2006-10-25 | 2014-04-03 | Revalesio Corporation | Methods of wound care and treatment |
US8784898B2 (en) | 2006-10-25 | 2014-07-22 | Revalesio Corporation | Methods of wound care and treatment |
AU2007308840C1 (en) | 2006-10-25 | 2014-09-25 | Revalesio Corporation | Methods of therapeutic treatment of eyes and other human tissues using an oxygen-enriched solution |
US8784897B2 (en) | 2006-10-25 | 2014-07-22 | Revalesio Corporation | Methods of therapeutic treatment of eyes |
WO2008052143A2 (en) | 2006-10-25 | 2008-05-02 | Revalesio Corporation | Mixing device and output fluids of same |
US8445546B2 (en) | 2006-10-25 | 2013-05-21 | Revalesio Corporation | Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures |
US9523090B2 (en) | 2007-10-25 | 2016-12-20 | Revalesio Corporation | Compositions and methods for treating inflammation |
US9745567B2 (en) | 2008-04-28 | 2017-08-29 | Revalesio Corporation | Compositions and methods for treating multiple sclerosis |
US10125359B2 (en) | 2007-10-25 | 2018-11-13 | Revalesio Corporation | Compositions and methods for treating inflammation |
CN101998881B (zh) * | 2008-01-11 | 2015-12-02 | 苏尔寿管理有限公司 | 用于混合流体的方法及设备 |
CA2723215A1 (en) | 2008-05-01 | 2009-11-05 | Revalesio Corporation | Compositions and methods for treating digestive disorders |
US8815292B2 (en) | 2009-04-27 | 2014-08-26 | Revalesio Corporation | Compositions and methods for treating insulin resistance and diabetes mellitus |
US9198929B2 (en) | 2010-05-07 | 2015-12-01 | Revalesio Corporation | Compositions and methods for enhancing physiological performance and recovery time |
EA201300228A1 (ru) | 2010-08-12 | 2013-06-28 | Ревалезио Корпорейшн | Композиции и способы лечения таупатии |
CN109267413B (zh) * | 2018-10-26 | 2023-09-26 | 华南理工大学 | 一种氧系高效清洁漂白纸浆制备方法及其装置 |
Family Cites Families (19)
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US2148178A (en) * | 1938-06-30 | 1939-02-21 | Wallace M Kendrick | Emulsifier |
US2960318A (en) * | 1956-05-15 | 1960-11-15 | Separation L Emulsion Et Le Me | Mixing, emulsifying, homogenizing and the like machines |
US2965362A (en) * | 1957-11-13 | 1960-12-20 | Ingbuero Dipl Ing Friedrich He | Device for mixing and homogenizing |
US3293117A (en) * | 1963-03-27 | 1966-12-20 | Improved Machinery Inc | High density pulp mixing |
FR1400173A (fr) * | 1964-07-03 | 1965-05-21 | Kamyr Ab | Mélangeur, en particulier pour mélanger des agents de blanchiment à une pâte cellulosique |
US3525504A (en) * | 1968-09-26 | 1970-08-25 | Monsanto Co | Additive mixer |
US4288288A (en) * | 1979-06-15 | 1981-09-08 | Weyerhaeuser Company | Apparatus for mixing chemicals into pulp at a refiner inlet |
SE419603B (sv) * | 1979-11-27 | 1981-08-17 | Kamyr Ab | Apparat for inblandning av behandlingsmedel i suspensioner |
SE445052C (sv) * | 1980-03-13 | 1987-11-09 | Sunds Defibrator | Sett och anordning for kontinuerlig inblandning av gas- och/eller vetskeformiga behandlingsmedel i en massasuspension |
US4355121A (en) * | 1981-04-09 | 1982-10-19 | General Electric Company | Heat strength curable silicone rubber compositions |
US4577974A (en) * | 1984-05-04 | 1986-03-25 | Kamyr, Inc. | Medium consistency mixer rotor and stator construction |
SE461134B (sv) * | 1986-11-18 | 1990-01-15 | Hedemora Ab | Foerfarande och anordning foer inblandning av kemikalier i fibermassa |
US4820381A (en) * | 1987-02-25 | 1989-04-11 | Internationa Paper Company | Pulp refiner with fluidizing inlet |
DE3717058A1 (de) * | 1987-05-21 | 1988-12-08 | Bayer Ag | Mischer zum vermischen mindestens zweier fliessfaehiger stoffe, insbesondere unter durchfuehrung bzw. einleitung einer reaktion waehrend der vermischung |
US5088831A (en) * | 1988-02-09 | 1992-02-18 | Sunds Defibrator Industries Aktiebolag | Device for treating material mixtures |
DE8807080U1 (de) * | 1988-05-31 | 1988-08-04 | Ika-Maschinenbau Janke & Kunkel GmbH & Co KG, 7813 Staufen | Dispergiermaschine |
SE468789B (sv) * | 1991-09-05 | 1993-03-22 | Sunds Defibrator Ind Ab | Foerfarande och anordning foer inblandning av behandlingsmedium i en massasuspension |
FI95821B (fi) * | 1991-10-18 | 1995-12-15 | Ahlstroem Oy | Menetelmä ja laite kaasun sekoittamiseksi väliaineeseen sekä menetelmää soveltava valkaisuprosessi |
US5263774A (en) * | 1992-03-04 | 1993-11-23 | Kamyr, Inc. | Rotor for increasing mixing efficiency in a medium consistency mixer |
-
1994
- 1994-11-18 FI FI945425A patent/FI103019B1/fi not_active IP Right Cessation
-
1995
- 1995-01-19 CA CA002140563A patent/CA2140563C/en not_active Expired - Lifetime
- 1995-01-25 EP EP95100973A patent/EP0664150B1/en not_active Expired - Lifetime
- 1995-01-25 ES ES95100973T patent/ES2124921T3/es not_active Expired - Lifetime
- 1995-01-25 DE DE69505159T patent/DE69505159T2/de not_active Expired - Fee Related
- 1995-01-25 JP JP00970195A patent/JP3808520B2/ja not_active Expired - Lifetime
- 1995-01-25 AT AT95100973T patent/ATE171883T1/de not_active IP Right Cessation
-
1996
- 1996-12-16 US US08/767,524 patent/US5791778A/en not_active Expired - Fee Related
-
2005
- 2005-07-14 JP JP2005205646A patent/JP3819017B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI945425A0 (fi) | 1994-11-18 |
FI103019B (fi) | 1999-04-15 |
JP3808520B2 (ja) | 2006-08-16 |
EP0664150A1 (en) | 1995-07-26 |
US5791778A (en) | 1998-08-11 |
DE69505159D1 (de) | 1998-11-12 |
EP0664150B1 (en) | 1998-10-07 |
JP2005299076A (ja) | 2005-10-27 |
CA2140563C (en) | 2001-03-27 |
ATE171883T1 (de) | 1998-10-15 |
JPH07268792A (ja) | 1995-10-17 |
FI103019B1 (fi) | 1999-04-15 |
DE69505159T2 (de) | 1999-03-25 |
FI945425A (fi) | 1995-07-26 |
ES2124921T3 (es) | 1999-02-16 |
CA2140563A1 (en) | 1995-07-26 |
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