FI793758A - ANORDINATION FOR THE USE OF FIBER MATERIALSPENSION I EN FLOTATIONSBEHAOLLARE - Google Patents
ANORDINATION FOR THE USE OF FIBER MATERIALSPENSION I EN FLOTATIONSBEHAOLLAREInfo
- Publication number
- FI793758A FI793758A FI793758A FI793758A FI793758A FI 793758 A FI793758 A FI 793758A FI 793758 A FI793758 A FI 793758A FI 793758 A FI793758 A FI 793758A FI 793758 A FI793758 A FI 793758A
- Authority
- FI
- Finland
- Prior art keywords
- impeller
- materialspension
- flotationsbehaollare
- anordination
- fiber
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
- B03D1/22—Flotation machines with impellers; Subaeration machines with external blowers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
An aeration device for a flotation container (1) - e.g. for removing printing ink from waste paper suspension - has a centrifugal impeller (2) into the centre of which are fed the suspension and air. The impeller (1) is surrounded by stationary guide vane means (9) which form, in radial relationship to the impeller, an inner ring of guide vanes (10) inclined, in the direction of rotation of the impeller, away from the radial toward the tangential direction, and an outer ring of baffle vanes (11) inclined relative to the guide vanes (10) in a direction opposite to the rotation direction. A radially outer ring of baffle rods (12) may also be provided. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2852023A DE2852023C2 (en) | 1978-12-01 | 1978-12-01 | Device for introducing a pulp suspension into a flotation tank |
Publications (1)
Publication Number | Publication Date |
---|---|
FI793758A true FI793758A (en) | 1980-06-02 |
Family
ID=6056081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI793758A FI793758A (en) | 1978-12-01 | 1979-11-30 | ANORDINATION FOR THE USE OF FIBER MATERIALSPENSION I EN FLOTATIONSBEHAOLLARE |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5575750A (en) |
AT (1) | AT370794B (en) |
DE (1) | DE2852023C2 (en) |
FI (1) | FI793758A (en) |
FR (1) | FR2442663A1 (en) |
GB (1) | GB2039763B (en) |
IT (1) | IT1119511B (en) |
NL (1) | NL7908486A (en) |
SE (1) | SE7909747L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5244097A (en) * | 1990-01-10 | 1993-09-14 | Outokumpu Oy | Apparatus for feeding air into a flotation cell |
FI83482C (en) * | 1990-01-10 | 1991-07-25 | Outokumpu Oy | SAETTING OVER ANORDNING MATERIAL AV LUFT I FLOTATIONSCELL. |
DE19948176B4 (en) * | 1999-10-07 | 2004-05-13 | Voith Paper Patent Gmbh | Flotation device for removing impurities, in particular printing ink, from paper fiber suspensions |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136201B2 (en) * | 1972-03-18 | 1976-10-07 | ||
JPS4948604B2 (en) * | 1972-10-11 | 1974-12-23 |
-
1978
- 1978-12-01 DE DE2852023A patent/DE2852023C2/en not_active Expired
-
1979
- 1979-09-26 AT AT629579A patent/AT370794B/en not_active IP Right Cessation
- 1979-11-20 IT IT6924779A patent/IT1119511B/en active
- 1979-11-20 FR FR7929015A patent/FR2442663A1/en active Granted
- 1979-11-21 NL NL7908486A patent/NL7908486A/en not_active Application Discontinuation
- 1979-11-26 SE SE7909747A patent/SE7909747L/en not_active Application Discontinuation
- 1979-11-30 FI FI793758A patent/FI793758A/en not_active Application Discontinuation
- 1979-11-30 GB GB7941373A patent/GB2039763B/en not_active Expired
- 1979-11-30 JP JP15452879A patent/JPS5575750A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
IT7969247A0 (en) | 1979-11-20 |
FR2442663A1 (en) | 1980-06-27 |
SE7909747L (en) | 1980-06-02 |
DE2852023C2 (en) | 1980-08-28 |
GB2039763A (en) | 1980-08-20 |
FR2442663B3 (en) | 1981-08-28 |
ATA629579A (en) | 1982-09-15 |
AT370794B (en) | 1983-05-10 |
IT1119511B (en) | 1986-03-10 |
NL7908486A (en) | 1980-06-03 |
GB2039763B (en) | 1982-11-10 |
JPS5575750A (en) | 1980-06-07 |
DE2852023B1 (en) | 1979-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: J. M. VOITH GMBH |