JPH0153081B2 - - Google Patents
Info
- Publication number
- JPH0153081B2 JPH0153081B2 JP56162108A JP16210881A JPH0153081B2 JP H0153081 B2 JPH0153081 B2 JP H0153081B2 JP 56162108 A JP56162108 A JP 56162108A JP 16210881 A JP16210881 A JP 16210881A JP H0153081 B2 JPH0153081 B2 JP H0153081B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- grooves
- thread
- pair
- shaft
- 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
Links
- 238000000034 method Methods 0.000 claims description 28
- 238000002425 crystallisation Methods 0.000 claims description 18
- 230000008025 crystallization Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 8
- 230000008023 solidification Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000012071 phase Substances 0.000 claims description 3
- 239000012768 molten material Substances 0.000 claims 2
- 239000000470 constituent Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000003303 reheating Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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)
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 JPS5791751A (en) | 1982-06-08 |
| JPH0153081B2 true 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)
| 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)
| 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 |
-
1980
- 1980-10-15 DE DE19803038973 patent/DE3038973A1/de not_active Withdrawn
-
1981
- 1981-09-24 US US06/305,567 patent/US4400175A/en not_active Expired - Fee Related
- 1981-10-02 DE DE8181107853T patent/DE3164896D1/de not_active Expired
- 1981-10-02 EP EP81107853A patent/EP0049835B1/de not_active Expired
- 1981-10-13 JP JP56162108A patent/JPS5791751A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0049835B1 (de) | 1984-07-18 |
| DE3164896D1 (en) | 1984-08-23 |
| JPS5791751A (en) | 1982-06-08 |
| DE3038973A1 (de) | 1982-05-27 |
| EP0049835A2 (de) | 1982-04-21 |
| US4400175A (en) | 1983-08-23 |
| EP0049835A3 (en) | 1982-08-04 |
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