GB1081546A - Improvements in and relating to separators for suspensions - Google Patents
Improvements in and relating to separators for suspensionsInfo
- Publication number
- GB1081546A GB1081546A GB22706/65A GB2270665A GB1081546A GB 1081546 A GB1081546 A GB 1081546A GB 22706/65 A GB22706/65 A GB 22706/65A GB 2270665 A GB2270665 A GB 2270665A GB 1081546 A GB1081546 A GB 1081546A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bar
- arms
- bars
- rotation
- shaft
- 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
Links
- 239000000725 suspension Substances 0.000 title abstract 5
- 238000004140 cleaning Methods 0.000 abstract 4
- 239000012535 impurity Substances 0.000 abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/06—Rotary screen-drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
- B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/023—Stationary screen-drums
- D21D5/026—Stationary screen-drums with rotating cleaning foils
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Paper (AREA)
Abstract
1,081,546. Hollow filters for liquids. J. M. VOTTH G.m.b.H. May 28, 1965 [June 12, 1964], No. 22706/65. Heading B1D. A filter for filtering suspensions (e.g. impure paper pulp) comprises a perforate cylindrical screen with duct means for supplying suspension to one end and with at least one cleaning bar mounted on the end of at least one rotary supporting arm carried by a shaft, the leading edge of the or each supporting arm intersecting the surface of rotation of the leading vertex line of the associated cleaning bar at or in front of this vertex line, with reference to the direction of rotation of the cleaning bar. Accumulation of impurities thereon is thus prevented. As shown, impure suspension is introduced at 5, Fig. 1, and flows downwards inside perforate screen 1. Filtered suspension is discharged at 8, while impurities collect at 9 and are discharged at 10. Cleaning bars 2 supported by arms 4 are rotated by a shaft 3. The leading edge 11, Fig. 2, of each arm 4 intersects the surface of rotation of the leading vertex line 12 of the associated bar 2 in front of this line. The cross-section of bar 4 is shown at 13. In Figs. 4 and 5, (not shown), a single pair of arms 4 is provided at the top of the shaft 3, the bars 2 depending therefrom. The angles formed at the junctions of arms 4 and bars 2 are rounded, both inside and outside to avoid the formation of dead angles in the axial flow direction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV26145A DE1295344B (en) | 1964-06-12 | 1964-06-12 | Sifter for fiber suspensions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1081546A true GB1081546A (en) | 1967-08-31 |
Family
ID=7582444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22706/65A Expired GB1081546A (en) | 1964-06-12 | 1965-05-28 | Improvements in and relating to separators for suspensions |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT275306B (en) |
DE (1) | DE1295344B (en) |
ES (1) | ES314040A1 (en) |
FI (1) | FI44083B (en) |
FR (1) | FR1437054A (en) |
GB (1) | GB1081546A (en) |
SE (1) | SE325772B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094022A2 (en) * | 1982-05-12 | 1983-11-16 | J.M. Voith GmbH | Rotor for a screening apparatus for the purification of pulp suspensions, particularly in the paper industry |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2836186C2 (en) * | 1978-08-18 | 1980-02-07 | J.M. Voith Gmbh, 7920 Heidenheim | Process and device for ash removal from pulp suspensions in waste paper processing |
EP0887459A1 (en) * | 1997-06-26 | 1998-12-30 | Voith Sulzer Papiertechnik Patent GmbH | Pressure screen for fibre suspensions |
DE102021111108A1 (en) | 2021-04-29 | 2022-11-03 | Patrick Kabisch | Three-dimensional pedigree |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1974651A (en) * | 1933-03-17 | 1934-09-25 | Haug Anton Joseph | Pulp screening machine |
GB779796A (en) * | 1954-03-03 | 1957-07-24 | Sunds Verkstaeder Aktiebolag | Improvements in or relating to the treatment of liquid suspensions |
-
1964
- 1964-06-12 DE DEV26145A patent/DE1295344B/en active Pending
- 1964-06-30 AT AT559664A patent/AT275306B/en active
-
1965
- 1965-05-28 GB GB22706/65A patent/GB1081546A/en not_active Expired
- 1965-06-09 FR FR20059A patent/FR1437054A/en not_active Expired
- 1965-06-10 FI FI1385/65A patent/FI44083B/fi active
- 1965-06-10 ES ES0314040A patent/ES314040A1/en not_active Expired
- 1965-06-11 SE SE07691/65A patent/SE325772B/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094022A2 (en) * | 1982-05-12 | 1983-11-16 | J.M. Voith GmbH | Rotor for a screening apparatus for the purification of pulp suspensions, particularly in the paper industry |
DE3217824A1 (en) * | 1982-05-12 | 1983-11-17 | J.M. Voith Gmbh, 7920 Heidenheim | ROTOR FOR SORTING MACHINES FOR CLEANING FIBER SUSPENSIONS, ESPECIALLY SUCH OF THE PAPER INDUSTRY |
EP0094022A3 (en) * | 1982-05-12 | 1984-10-24 | J.M. Voith Gmbh | Rotor for a screening apparatus for the purification of pulp suspensions, particularly in the paper industry |
Also Published As
Publication number | Publication date |
---|---|
FR1437054A (en) | 1966-04-29 |
DE1295344B (en) | 1969-05-14 |
FI44083B (en) | 1971-04-30 |
SE325772B (en) | 1970-07-06 |
ES314040A1 (en) | 1965-10-01 |
AT275306B (en) | 1969-10-27 |
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