DE1779521B2 - Verfahren und Vorrichtung zum Trocknen von Polyesterteilchen - Google Patents

Verfahren und Vorrichtung zum Trocknen von Polyesterteilchen

Info

Publication number
DE1779521B2
DE1779521B2 DE1779521A DE1779521A DE1779521B2 DE 1779521 B2 DE1779521 B2 DE 1779521B2 DE 1779521 A DE1779521 A DE 1779521A DE 1779521 A DE1779521 A DE 1779521A DE 1779521 B2 DE1779521 B2 DE 1779521B2
Authority
DE
Germany
Prior art keywords
particles
drying
stage
polyester
dried
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.)
Pending
Application number
DE1779521A
Other languages
German (de)
English (en)
Other versions
DE1779521A1 (de
Inventor
Yoshiharu Asada
Seibi Yamada
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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
Priority claimed from JP42053755A external-priority patent/JPS5125377B1/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of DE1779521A1 publication Critical patent/DE1779521A1/de
Publication of DE1779521B2 publication Critical patent/DE1779521B2/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
    • F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • F26B17/1433—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas the drying enclosure, e.g. shaft, having internal members or bodies for guiding, mixing or agitating the material, e.g. imposing a zig-zag movement onto the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/25—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/40—Arrangements for supplying or controlling air or other gases for drying solid materials or objects using gases other than air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
    • F26B2200/08—Granular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Drying Of Solid Materials (AREA)
DE1779521A 1967-08-23 1968-08-22 Verfahren und Vorrichtung zum Trocknen von Polyesterteilchen Pending DE1779521B2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP42053755A JPS5125377B1 (enExample) 1967-08-23 1967-08-23
JP3204168 1968-05-13
JP3204068 1968-05-13
JP3204268 1968-05-13

Publications (2)

Publication Number Publication Date
DE1779521A1 DE1779521A1 (de) 1971-12-02
DE1779521B2 true DE1779521B2 (de) 1975-01-16

Family

ID=27459543

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1779521A Pending DE1779521B2 (de) 1967-08-23 1968-08-22 Verfahren und Vorrichtung zum Trocknen von Polyesterteilchen

Country Status (4)

Country Link
US (1) US3547890A (enExample)
DE (1) DE1779521B2 (enExample)
GB (1) GB1242023A (enExample)
NL (1) NL6812055A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834162A1 (de) * 1977-08-10 1979-02-22 Zimmer Ag Verfahren fuer die herstellung von polyaethylenterephthalat-kunststoff fuer das verpacken oder die abfuellung von nahrungsmitteln

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945805A (en) * 1974-04-18 1976-03-23 Modine Manufacturing Company Reactor-generator apparatus
US3945806A (en) * 1974-04-18 1976-03-23 Modine Manufacturing Company Reactor-generator
US4022863A (en) * 1975-06-04 1977-05-10 Caristrap Corporation Polymer plastic strapping from polyethylene terephthalate
DE2558730C3 (de) * 1975-12-24 1982-04-22 Hoechst Ag, 6000 Frankfurt Verfahren zum Kristallisieren und Trocknen von Polyethylenterephthalat und Vorrichtung zur Durchführung des Verfahrens
FR2355863A1 (fr) * 1976-06-22 1978-01-20 Neu Ets Procede et dispositif pour la cristallisation et le sechage en continu de granules de polymere polyester
DE2642102C3 (de) * 1976-09-18 1984-10-04 Bühler-Miag GmbH, 3300 Braunschweig Vorrichtung zum Kristallisieren von Kunststoffgranulat
US4263425A (en) * 1977-08-10 1981-04-21 Zimmer Aktiengesellschaft Process for production of polyester polymer for food packing
US4223128A (en) * 1978-05-16 1980-09-16 Celanese Corporation Process for preparing polyethylene terephthalate useful for beverage containers
IT1094859B (it) * 1978-05-29 1985-08-10 Montedison Spa Processo per l'ottenimento di policarbonato granulare
DE3213025C2 (de) * 1982-04-02 1997-06-12 Fischer Karl Ind Gmbh Verfahren zur Nachkondensation von Polykondensaten
FR2598350B1 (fr) * 1986-05-06 1989-11-17 Bp Chimie Sa Procede et dispositif pour degazer et pour transformer en granules des particules de polyolefines obtenues par polymerisation en phase gazeuse
GB8712074D0 (en) * 1987-05-21 1987-06-24 Tioxide Group Plc Drying process
DE3733793A1 (de) * 1987-10-06 1989-04-20 Graeff Roderich Wilhelm Verfahren und vorrichtung zum kristallisieren von amorphem kunststoffgranulat
IT1282425B1 (it) * 1995-07-05 1998-03-23 Sipa Spa Procedimento ed impianto perfezionato per la produzione di corpi cavi in p.e.t.
ITTV20090051A1 (it) * 2009-03-20 2010-09-21 M S M Snc Di Masiero G Semenzat O L E Masiero Apparecchiatura e procedimento per la cristallizzazione e deumidificazione di materie plastiche poliesteri.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL96018C (enExample) * 1957-02-20
BE618788A (nl) * 1961-07-07 1962-10-01 Onderzoekings Inst Res Werkwijze voor het drogen van korrels van amorf polyethyleentereftalaat en voor de vervaardiging van gevormde produkten hieruit, alsmede de daarbij verkregen produkten
US3405098A (en) * 1965-10-29 1968-10-08 Du Pont Process for preparing high viscosity linear condensation polyesters from partially polymerized glycol terephthalates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834162A1 (de) * 1977-08-10 1979-02-22 Zimmer Ag Verfahren fuer die herstellung von polyaethylenterephthalat-kunststoff fuer das verpacken oder die abfuellung von nahrungsmitteln

Also Published As

Publication number Publication date
NL6812055A (enExample) 1969-02-25
DE1779521A1 (de) 1971-12-02
US3547890A (en) 1970-12-15
GB1242023A (en) 1971-08-11

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