DE3777344D1 - Vorrichtung zur abtrennung von festen teilchen aus einer druckfluessigkeit. - Google Patents

Vorrichtung zur abtrennung von festen teilchen aus einer druckfluessigkeit.

Info

Publication number
DE3777344D1
DE3777344D1 DE8787830378T DE3777344T DE3777344D1 DE 3777344 D1 DE3777344 D1 DE 3777344D1 DE 8787830378 T DE8787830378 T DE 8787830378T DE 3777344 T DE3777344 T DE 3777344T DE 3777344 D1 DE3777344 D1 DE 3777344D1
Authority
DE
Germany
Prior art keywords
filtration
cleaning
inlet conduit
assemblies
fluid
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
Application number
DE8787830378T
Other languages
English (en)
Inventor
Giussepe Ponzielli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3777344D1 publication Critical patent/DE3777344D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01D29/05—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 supported
    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86743—Rotary
    • Y10T137/86751—Plug

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE8787830378T 1986-11-03 1987-10-27 Vorrichtung zur abtrennung von festen teilchen aus einer druckfluessigkeit. Expired - Lifetime DE3777344D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22216/86A IT1197943B (it) 1986-11-03 1986-11-03 Dispositivo di separazione di particelle solide da un fluido in pressione

Publications (1)

Publication Number Publication Date
DE3777344D1 true DE3777344D1 (de) 1992-04-16

Family

ID=11193180

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787830378T Expired - Lifetime DE3777344D1 (de) 1986-11-03 1987-10-27 Vorrichtung zur abtrennung von festen teilchen aus einer druckfluessigkeit.

Country Status (6)

Country Link
US (1) US4973406A (de)
EP (1) EP0270501B1 (de)
JP (1) JPS63185618A (de)
AT (1) ATE73355T1 (de)
DE (1) DE3777344D1 (de)
IT (1) IT1197943B (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095740A (en) * 1987-12-31 1992-03-17 Diagnetics, Inc. System for monitoring and analyzing solid contaminents in fluids
DE3840904C1 (de) * 1988-12-05 1989-10-05 Kreyenborg Verwaltungen Und Beteiligungen Kg, 4400 Muenster, De
DE3902061A1 (de) * 1989-01-25 1990-07-26 Gneuss Kunststofftechnik Gmbh Siebvorrichtung zur reinigung von kunststoffschmelzen
AT399313B (de) * 1990-07-23 1995-04-25 Erema Filtriervorrichtung für thermoplastisches kunststoffmaterial
AT395825B (de) * 1991-03-25 1993-03-25 Erema Filtriervorrichtung fuer zu reinigende fluide
AT397043B (de) * 1992-01-31 1994-01-25 Erema Filtriervorrichtung für verunreinigte fluide und verfahren zu ihrem betrieb
AT397927B (de) * 1992-05-27 1994-08-25 Chemiefaser Lenzing Ag Rückspülfähige filtervorrichtung zur filtration hochviskoser flüssigkeiten
US5403489A (en) * 1993-06-24 1995-04-04 Minnesota Mining And Manufacturing Company Solid phase extraction method and apparatus
DE19508658A1 (de) * 1994-03-15 1995-10-12 Wil Man Polymer Filtration Gmb Verfahren zur Nachrüstung eines Filterkopfes eines Kunststoffextruders sowie Steueradapter zur Durchführung des Verfahrens
ATE186226T1 (de) * 1994-03-15 1999-11-15 Wil Man Polymer Filtration Gmb Steuer- und filtriereinrichtung für mindestens zwei fluidteilströme
US5772178A (en) * 1995-12-22 1998-06-30 Rotatrol Ag Rotary noise attenuating valve
IT1277735B1 (it) * 1995-12-27 1997-11-12 Fare Spa Unita' filtrante autopulente impianto di filtrazione provvisto di questa unita' e procedimento di filtrazione realizzato con detto
EP0904506B1 (de) * 1996-06-13 2001-10-10 Fisher Controls International, Inc. Ventilsitzring und drehschieber
GB2315869B (en) * 1996-07-29 2000-10-11 Pall Corp Evaluation of particulate contaminants
DE19654165C1 (de) * 1996-12-23 1998-08-27 Bhs Sonthofen Maschinen & Anlagenbau Gmbh Vorrichtung zur zyklischen Behandlung von Suspensionen
US6029702A (en) * 1997-01-21 2000-02-29 Dresser Equipment Group, Inc. Valve with internal diffuser
CA2205450C (en) * 1997-05-14 2001-07-24 Alfredo Bentivoglio Filter screen pack for extrusion die
DE59811749D1 (de) * 1997-11-27 2004-09-09 Maag Pump Systems Textron Gmbh Vorrichtung zum Filtrieren eines Fluidstromes sowie Filtermodul zur Verwendung in einer entsprechenden Vorrichtung
AT411824B (de) * 2000-09-26 2004-06-25 Bacher Helmut Vorrichtung und verfahren zur filtrierung viskosen materiales
US6935371B2 (en) * 2002-02-22 2005-08-30 Dresser, Inc. High capacity globe valve
US7175769B1 (en) 2003-01-24 2007-02-13 Wall Thomas M Method of filtering debris from refrigerant
DE10339857A1 (de) * 2003-08-29 2005-03-24 Daimlerchrysler Ag Brennkraftmaschine mit einer Motorbremseinrichtung
DE102006026077A1 (de) * 2006-06-03 2007-12-06 Hydac Process Technology Gmbh Fluidsystem
WO2009076228A2 (en) * 2007-12-07 2009-06-18 Mogas Industries Inc. Ball valve impedance seat
DK2686150T3 (en) * 2011-03-12 2017-02-20 Husky Injection Molding Systems Ltd Plastic and injection device
DE102011050805B4 (de) * 2011-06-01 2015-07-30 Nordson Holdings S.À R.L. & Co. Kg Filtriervorrichtung für hochviskose Fluide
ES2555551T3 (es) * 2012-12-06 2016-01-04 Aurotec Gmbh Procedimiento y dispositivo para la limpieza de un fluido
EP3453514A1 (de) 2017-09-12 2019-03-13 Next Generation Analytics GmbH Vorrichtung und verfahren zum filtern und entgasen einer kunststoffschmelze
CN108582562A (zh) * 2017-12-28 2018-09-28 重庆市中塑新材料有限公司 离心式造粒机
US11260570B2 (en) * 2018-05-07 2022-03-01 PSI-Polymer Systems, Inc. Filtration apparatuses and screen changer devices for polymer processing and related methods
MX2020012275A (es) * 2018-05-18 2021-01-29 Mogas Ind Inc Valvula multipuerto.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US276820A (en) * 1883-05-01 Filter
CA684976A (en) * 1964-04-21 H. Rossiter Paul Straining head for an extruder
CA614975A (en) * 1961-02-21 D. Napier And Son Limited Fluid filtering apparatus
NL278425A (de) * 1961-02-07 1900-01-01
US3243849A (en) * 1964-05-19 1966-04-05 Du Pont Screen changing
DK117288B (da) * 1967-01-17 1970-04-13 J Olsen Selvrensende filter.
DE1779497A1 (de) * 1968-08-20 1971-09-16 Sieg Kunststoffe Gmbh Spritzkopf in der Extruderleitung
JPS5748785B2 (de) * 1973-05-11 1982-10-18
JPS5242251B2 (de) * 1973-07-25 1977-10-24
DE2502669C2 (de) * 1975-01-23 1977-01-20 Siemens Werner Erik Vorrichtung zum abscheiden und austragen von feststoffteilchen aus einer unter druck stehenden fluessigkeit
JPS5927698B2 (ja) * 1977-11-28 1984-07-07 株式会社日本製鋼所 プラスチツク押出機における自動「ろ」網交換装置
US4486304A (en) * 1982-06-17 1984-12-04 Neuman Clayton L Apparatus for continuously filtering plastic melt with noninterruptive purge

Also Published As

Publication number Publication date
IT1197943B (it) 1988-12-21
IT8622216A1 (it) 1988-05-03
ATE73355T1 (de) 1992-03-15
EP0270501B1 (de) 1992-03-11
JPS63185618A (ja) 1988-08-01
IT8622216A0 (it) 1986-11-03
EP0270501A3 (en) 1988-06-22
US4973406A (en) 1990-11-27
EP0270501A2 (de) 1988-06-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee