JPS5791751A - Method and apparatus for simultaneously crystallizing and crushing melted substance - Google Patents

Method and apparatus for simultaneously crystallizing and crushing melted substance

Info

Publication number
JPS5791751A
JPS5791751A JP56162108A JP16210881A JPS5791751A JP S5791751 A JPS5791751 A JP S5791751A JP 56162108 A JP56162108 A JP 56162108A JP 16210881 A JP16210881 A JP 16210881A JP S5791751 A JPS5791751 A JP S5791751A
Authority
JP
Japan
Prior art keywords
crushing
melted substance
simultaneously crystallizing
crystallizing
melted
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.)
Granted
Application number
JP56162108A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0153081B2 (cg-RX-API-DMAC7.html
Inventor
Ratoien Kurausu
Ururitsuhi Marutein
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of JPS5791751A publication Critical patent/JPS5791751A/ja
Publication of JPH0153081B2 publication Critical patent/JPH0153081B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Disintegrating Or Milling (AREA)
  • Gears, Cams (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP56162108A 1980-10-15 1981-10-13 Method and apparatus for simultaneously crystallizing and crushing melted substance Granted JPS5791751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803038973 DE3038973A1 (de) 1980-10-15 1980-10-15 Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung

Publications (2)

Publication Number Publication Date
JPS5791751A true JPS5791751A (en) 1982-06-08
JPH0153081B2 JPH0153081B2 (cg-RX-API-DMAC7.html) 1989-11-13

Family

ID=6114450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56162108A Granted JPS5791751A (en) 1980-10-15 1981-10-13 Method and apparatus for simultaneously crystallizing and crushing melted substance

Country Status (4)

Country Link
US (1) US4400175A (cg-RX-API-DMAC7.html)
EP (1) EP0049835B1 (cg-RX-API-DMAC7.html)
JP (1) JPS5791751A (cg-RX-API-DMAC7.html)
DE (2) DE3038973A1 (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5819983A (en) * 1995-11-22 1998-10-13 Camelot Sysems, Inc. Liquid dispensing system with sealing augering screw and method for dispensing
BR9711397A (pt) * 1996-09-24 1999-09-28 Dow Chemical Co Extrusora de rosca m·ltipla corroativa, método para reduzir fluxo de desaeração nesta e rosca para a mesma.
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
US5848728A (en) * 1996-11-07 1998-12-15 Acrison, Inc. Multi-flighted notched metering auger
JP5011437B2 (ja) * 2008-06-10 2012-08-29 ケイエヌディティ アンド アイ カンパニー，リミテッド 巨大結晶粒子の成長のための結晶化反応装置及びこれを含む結晶分離工程システム
CN114433294B (zh) * 2022-02-18 2023-08-22 郇玉芝 一种生物氨基酸的制备工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE402879C (de) * 1924-09-20 Horst Ahnhudt Knetschraube fuer Maschinen zum Kneten von plastischen Massen
DE563364C (de) * 1931-04-14 1933-02-23 Wilhelm Reinstein Dipl Ing Leitschnecke mit wechselnder Drehrichtung der Windungen auf beliebig grosse Teilhoehen mit beliebiger Gangzahl
GB630397A (en) * 1947-08-13 1949-10-12 Midland Tar Distillers Ltd Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein
US2679539A (en) * 1949-12-22 1954-05-25 Phillips Petroleum Co Separation of eutectic-forming mixtures by crystallization
US2778482A (en) * 1954-08-13 1957-01-22 Werner & Pfleiderer Maschinenf Screw conveyor
FR1122654A (fr) * 1955-02-28 1956-09-11 Machine à extruder les matières thermoplastiques sous une pression élevée
GB1156402A (en) * 1965-11-13 1969-06-25 Lavorazione Mat Plast Screw Press for Extruding Plastics Materials
US3504400A (en) * 1967-08-04 1970-04-07 Vish Khim T I Sesquithread feed worm for an extruder
US3652064A (en) * 1968-03-22 1972-03-28 Uniroyal Englebert Ag Apparatus for conveying plastic material
US3885665A (en) * 1972-10-11 1975-05-27 Sprout Waldron & Co Inc Reversible refiner feeder
DE2721848C2 (de) * 1977-05-14 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zum Konzentrieren von Lösungen mit gleichzeitiger Erstarrung
JPS5829733B2 (ja) * 1977-11-19 1983-06-24 積水化学工業株式会社 押出機

Also Published As

Publication number Publication date
EP0049835B1 (de) 1984-07-18
DE3164896D1 (en) 1984-08-23
JPH0153081B2 (cg-RX-API-DMAC7.html) 1989-11-13
DE3038973A1 (de) 1982-05-27
EP0049835A2 (de) 1982-04-21
US4400175A (en) 1983-08-23
EP0049835A3 (en) 1982-08-04

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