IT7967499A0 - Procedimento e dispositivo per la pulitura delle aperture in una piastra di crivello, particolarmente in applicazione alla vagliatura del la pasta per carta - Google Patents

Procedimento e dispositivo per la pulitura delle aperture in una piastra di crivello, particolarmente in applicazione alla vagliatura del la pasta per carta

Info

Publication number
IT7967499A0
IT7967499A0 IT7967499A IT6749979A IT7967499A0 IT 7967499 A0 IT7967499 A0 IT 7967499A0 IT 7967499 A IT7967499 A IT 7967499A IT 6749979 A IT6749979 A IT 6749979A IT 7967499 A0 IT7967499 A0 IT 7967499A0
Authority
IT
Italy
Prior art keywords
screening
openings
cleaning
procedure
application
Prior art date
Application number
IT7967499A
Other languages
English (en)
Other versions
IT1165172B (it
Original Assignee
Svenska Traeforskningsinst
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst
Publication of IT7967499A0 publication Critical patent/IT7967499A0/it
Application granted granted Critical
Publication of IT1165172B publication Critical patent/IT1165172B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/26—Filters with built-in pumps filters provided with a pump mounted in or on the casing
    • 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
    • B01D29/114—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 inward flow filtration
    • B01D29/115—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 inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • 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
    • 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
    • B01D29/885—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 with internal recirculation through the filtering element

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Centrifugal Separators (AREA)
  • Filtration Of Liquid (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Combined Means For Separation Of Solids (AREA)
IT67499/79A 1978-03-08 1979-03-08 Procedimento e dispositivo per la pulitura delle aperture in una piastra di crivello,particolarmente in applicazione alla vagliatura della pasta per carta IT1165172B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7802653A SE420331B (sv) 1978-03-08 1978-03-08 Forfarande vid en silanordning for rensning av oppningarna i en silplat i form av en trumma samt anordning for utforande av forfarandet

Publications (2)

Publication Number Publication Date
IT7967499A0 true IT7967499A0 (it) 1979-03-08
IT1165172B IT1165172B (it) 1987-04-22

Family

ID=20334240

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67499/79A IT1165172B (it) 1978-03-08 1979-03-08 Procedimento e dispositivo per la pulitura delle aperture in una piastra di crivello,particolarmente in applicazione alla vagliatura della pasta per carta

Country Status (9)

Country Link
US (1) US4346007A (it)
JP (1) JPS54161165A (it)
BR (1) BR7901387A (it)
DE (1) DE2908729A1 (it)
FI (1) FI66218C (it)
FR (1) FR2419099B1 (it)
GB (1) GB2015892B (it)
IT (1) IT1165172B (it)
SE (1) SE420331B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL71999A0 (en) * 1984-06-04 1984-10-31 Filtration Water Filters For A Fluid filter system and suction nozzle therefor
US5032293A (en) * 1989-05-23 1991-07-16 Buckman Laboratories International, Inc. Basket filter assembly with inclined nozzle
US6123841A (en) * 1996-11-28 2000-09-26 Ryubi Company Ltd. Waste-water filtration and purification device for fish cultivation
US6156193A (en) * 1999-01-25 2000-12-05 Caterpillar Inc. Centrifugal oil filter with particle retention
DE102006008758A1 (de) 2006-02-24 2007-08-30 Voith Patent Gmbh Rotor für einen Drucksortierer für Fasersuspensionen
CN107185289B (zh) * 2017-06-01 2019-10-08 安徽吉乃尔电器科技有限公司 一种耐温材料生产的过滤装置
JP6885503B1 (ja) 2020-09-30 2021-06-16 住友大阪セメント株式会社 リチウムイオン二次電池用正極材料、リチウムイオン二次電池用正極、リチウムイオン二次電池
CN114904316B (zh) * 2022-07-18 2022-09-20 山东黄金矿业科技有限公司充填工程实验室分公司 矿山尾矿分级浓密脱水装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029951A (en) * 1958-09-24 1962-04-17 Bird Machine Co Screening device
US3400820A (en) * 1965-03-30 1968-09-10 Bird Machine Co Screening apparatus with rotary pulsing member
DE2140349A1 (de) * 1971-08-11 1973-03-01 Tadashi Hagihara Filtrierapparat
FI51221C (fi) * 1972-06-21 1976-11-10 Yhtyneet Paperitehtaat Oy Painesihtilaite.
SE374148B (it) * 1972-08-31 1975-02-24 S E E Ahlfors
US4066552A (en) * 1974-09-13 1978-01-03 Sundstrand Corporation Combined pump and self-cleaning centrifugal contamination separator

Also Published As

Publication number Publication date
FI790776A (fi) 1979-09-09
SE420331B (sv) 1981-09-28
FR2419099A1 (fr) 1979-10-05
GB2015892B (en) 1982-10-20
BR7901387A (pt) 1979-10-02
DE2908729A1 (de) 1979-09-13
IT1165172B (it) 1987-04-22
US4346007A (en) 1982-08-24
JPS6231966B2 (it) 1987-07-11
FR2419099B1 (fr) 1988-06-03
DE2908729C2 (it) 1989-09-21
SE7802653L (sv) 1979-09-09
GB2015892A (en) 1979-09-19
JPS54161165A (en) 1979-12-20
FI66218B (fi) 1984-05-31
FI66218C (fi) 1984-09-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970329