DE3448571C2 - Siebplatte für Fasersuspensionen - Google Patents
Siebplatte für FasersuspensionenInfo
- Publication number
- DE3448571C2 DE3448571C2 DE3448571A DE3448571A DE3448571C2 DE 3448571 C2 DE3448571 C2 DE 3448571C2 DE 3448571 A DE3448571 A DE 3448571A DE 3448571 A DE3448571 A DE 3448571A DE 3448571 C2 DE3448571 C2 DE 3448571C2
- Authority
- DE
- Germany
- Prior art keywords
- sieve
- sieve plate
- grooves
- flow
- fiber
- 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 - Lifetime
Links
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims description 40
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000012216 screening Methods 0.000 description 5
- 206010041662 Splinter Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 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
- D21D5/16—Cylinders and plates for screens
-
- 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
- B01D29/01—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 flat filtering elements
- B01D29/03—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 flat filtering elements self-supporting
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D29/945—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI830256A FI67588C (fi) | 1983-01-26 | 1983-01-26 | Silplaot |
DE3400423A DE3400423C3 (de) | 1983-01-26 | 1984-01-07 | Verwendung einer von einer Fasersuspension überströmbaren Lochplatte zum Klassieren |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3448571C2 true DE3448571C2 (de) | 1996-06-05 |
DE3448571C3 DE3448571C3 (de) | 2001-10-25 |
Family
ID=25817437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3448571A Expired - Lifetime DE3448571C3 (de) | 1983-01-26 | 1984-01-07 | Siebplatte für Fasersuspensionen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3448571C3 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458038A (en) * | 1966-06-02 | 1969-07-29 | Ingersoll Rand Canada | Screening apparatus |
US3535203A (en) * | 1964-12-23 | 1970-10-20 | Karlstad Mekaniska Ab | Hole plate for one-sided inlet headboxes for paper machines |
US3617008A (en) * | 1967-08-02 | 1971-11-02 | Lamort E & M | Refining apparatus, chiefly for screening paper pulp |
FR2474331A1 (fr) * | 1980-01-28 | 1981-07-31 | Celleco Ab | Dispositif epurateur pour la purification de la pulpe, notamment de cellulose |
EP0079811A1 (de) * | 1981-11-18 | 1983-05-25 | E. + M. Lamort Société Anonyme dite: | Siebvorrichtungen für Papierstoffaufschwemmungen und ihre Siebe |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE374400B (de) * | 1972-08-31 | 1975-03-03 | Svenska Cellulosa Ab |
-
1984
- 1984-01-07 DE DE3448571A patent/DE3448571C3/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3535203A (en) * | 1964-12-23 | 1970-10-20 | Karlstad Mekaniska Ab | Hole plate for one-sided inlet headboxes for paper machines |
US3458038A (en) * | 1966-06-02 | 1969-07-29 | Ingersoll Rand Canada | Screening apparatus |
US3617008A (en) * | 1967-08-02 | 1971-11-02 | Lamort E & M | Refining apparatus, chiefly for screening paper pulp |
FR2474331A1 (fr) * | 1980-01-28 | 1981-07-31 | Celleco Ab | Dispositif epurateur pour la purification de la pulpe, notamment de cellulose |
EP0079811A1 (de) * | 1981-11-18 | 1983-05-25 | E. + M. Lamort Société Anonyme dite: | Siebvorrichtungen für Papierstoffaufschwemmungen und ihre Siebe |
Also Published As
Publication number | Publication date |
---|---|
DE3448571C3 (de) | 2001-10-25 |
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Legal Events
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D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CAE SCREENPLATES OY, VARKAUS, FI |
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8328 | Change in the person/name/address of the agent |
Free format text: HOFFMANN . EITLE, 81925 MUENCHEN |
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8366 | Restricted maintained after opposition proceedings | ||
8305 | Restricted maintenance of patent after opposition | ||
AC | Divided out of |
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Owner name: ADVANCED FIBER TECHNOLOGIES (AFT) OY, VARKAUS, FI |