DE3038973A1 - Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung - Google Patents
Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerungInfo
- Publication number
- DE3038973A1 DE3038973A1 DE19803038973 DE3038973A DE3038973A1 DE 3038973 A1 DE3038973 A1 DE 3038973A1 DE 19803038973 DE19803038973 DE 19803038973 DE 3038973 A DE3038973 A DE 3038973A DE 3038973 A1 DE3038973 A1 DE 3038973A1
- Authority
- DE
- Germany
- Prior art keywords
- grooves
- screw
- thread
- shaft
- shafts
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000008569 process Effects 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 21
- 239000013590 bulk material Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000003303 reheating Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 241000132179 Eurotium medium Species 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 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
- 239000000575 pesticide Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 235000012830 plain croissants Nutrition 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000010792 warming Methods 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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Gears, Cams (AREA)
Priority Applications (5)
| 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 |
| US06/305,567 US4400175A (en) | 1980-10-15 | 1981-09-24 | Process and an apparatus for the crystallization of melts with a simultaneous crushing operation |
| DE8181107853T DE3164896D1 (en) | 1980-10-15 | 1981-10-02 | Method and apparatus for the crystallisation of melts with simultaneous disintegration |
| EP81107853A EP0049835B1 (de) | 1980-10-15 | 1981-10-02 | Verfahren und Vorrichtung zum Kristallisieren von Schmelzen mit gleichzeitiger Zerkleinerung |
| JP56162108A JPS5791751A (en) | 1980-10-15 | 1981-10-13 | Method and apparatus for simultaneously crystallizing and crushing melted substance |
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 (1)
| Publication Number | Publication Date |
|---|---|
| DE3038973A1 true DE3038973A1 (de) | 1982-05-27 |
Family
ID=6114450
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803038973 Withdrawn DE3038973A1 (de) | 1980-10-15 | 1980-10-15 | Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung |
| DE8181107853T Expired DE3164896D1 (en) | 1980-10-15 | 1981-10-02 | Method and apparatus for the crystallisation of melts with simultaneous disintegration |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8181107853T Expired DE3164896D1 (en) | 1980-10-15 | 1981-10-02 | Method and apparatus for the crystallisation of melts with simultaneous disintegration |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4400175A (enExample) |
| EP (1) | EP0049835B1 (enExample) |
| JP (1) | JPS5791751A (enExample) |
| DE (2) | DE3038973A1 (enExample) |
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 |
| CA2264807A1 (en) * | 1996-09-24 | 1998-04-02 | The Dow Chemical Company | Multiple-screw extruder |
| 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 |
| KR20100106301A (ko) * | 2008-06-10 | 2010-10-01 | 케이엔디티앤아이 주식회사 | 거대 결정입자의 성장을 위한 결정화 반응장치 및 이를 포함하는 결정분리공정시스템 |
| 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 EP EP81107853A patent/EP0049835B1/de not_active Expired
- 1981-10-02 DE DE8181107853T patent/DE3164896D1/de not_active Expired
- 1981-10-13 JP JP56162108A patent/JPS5791751A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5791751A (en) | 1982-06-08 |
| EP0049835A3 (en) | 1982-08-04 |
| JPH0153081B2 (enExample) | 1989-11-13 |
| DE3164896D1 (en) | 1984-08-23 |
| US4400175A (en) | 1983-08-23 |
| EP0049835A2 (de) | 1982-04-21 |
| EP0049835B1 (de) | 1984-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |