GB1573719A - Process for drying polyesters - Google Patents
Process for drying polyesters Download PDFInfo
- Publication number
- GB1573719A GB1573719A GB54151/76A GB5415176A GB1573719A GB 1573719 A GB1573719 A GB 1573719A GB 54151/76 A GB54151/76 A GB 54151/76A GB 5415176 A GB5415176 A GB 5415176A GB 1573719 A GB1573719 A GB 1573719A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tray
- granules
- drying
- polyester
- layer
- 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
- 238000001035 drying Methods 0.000 title claims description 46
- 238000000034 method Methods 0.000 title claims description 41
- 229920000728 polyester Polymers 0.000 title claims description 38
- 230000008569 process Effects 0.000 title claims description 36
- 239000000463 material Substances 0.000 claims description 43
- 239000008187 granular material Substances 0.000 claims description 41
- 239000007789 gas Substances 0.000 claims description 34
- -1 polyethylene terephthalate Polymers 0.000 claims description 13
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005243 fluidization Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000006748 scratching Methods 0.000 claims description 2
- 230000002393 scratching effect Effects 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F26B17/1466—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 the members or bodies being in movement
- F26B17/1483—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 the members or bodies being in movement the movement being a rotation around a vertical axis
-
- 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
-
- 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
- B29B2009/165—Crystallizing granules
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyesters Or Polycarbonates (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2558730A DE2558730C3 (de) | 1975-12-24 | 1975-12-24 | Verfahren zum Kristallisieren und Trocknen von Polyethylenterephthalat und Vorrichtung zur Durchführung des Verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1573719A true GB1573719A (en) | 1980-08-28 |
Family
ID=5965667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB54151/76A Expired GB1573719A (en) | 1975-12-24 | 1976-12-24 | Process for drying polyesters |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4120849A (enExample) |
| AT (1) | AT356386B (enExample) |
| BE (1) | BE849859A (enExample) |
| DE (1) | DE2558730C3 (enExample) |
| DK (1) | DK581776A (enExample) |
| FR (1) | FR2336225A1 (enExample) |
| GB (1) | GB1573719A (enExample) |
| IT (1) | IT1065699B (enExample) |
| LU (1) | LU76455A1 (enExample) |
| NL (1) | NL185557C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2332626C1 (ru) * | 2007-03-13 | 2008-08-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный текстильный университет им. А.Н. Косыгина" | Установка для сушки растворов и суспензий в кипящем слое инертных тел |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2642102C3 (de) * | 1976-09-18 | 1984-10-04 | Bühler-Miag GmbH, 3300 Braunschweig | Vorrichtung zum Kristallisieren von Kunststoffgranulat |
| 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 |
| US5324816A (en) * | 1987-06-22 | 1994-06-28 | Allied-Signal Inc. | Process for improving the properties of polymers |
| EP0312741A3 (en) * | 1987-08-29 | 1990-01-31 | Nissui Kako Co., Ltd. | Method and apparatus for the microwave drying of plastic material |
| DE3733793A1 (de) * | 1987-10-06 | 1989-04-20 | Graeff Roderich Wilhelm | Verfahren und vorrichtung zum kristallisieren von amorphem kunststoffgranulat |
| DE58906032D1 (de) * | 1988-12-23 | 1993-12-02 | Buehler Ag | Verfahren und Vorrichtung zum kontinuierlichen Kristallisieren von Polyestermaterial. |
| US5496918A (en) * | 1991-09-23 | 1996-03-05 | Alliedsignal Inc. | Process for improving the properties of polymers |
| US5558678A (en) * | 1992-11-13 | 1996-09-24 | Karl Fischer Industrieanlagen Gmbh | Process and apparatus for continuous crystallization of plastic granules |
| DE19709517A1 (de) * | 1997-03-10 | 1998-09-17 | Hoechst Trevira Gmbh & Co Kg | Vorrichtung zur Kristallisation von Polymergranulaten sowie Verfahren zur Kristallisation von Polymergranulaten |
| CN102589260A (zh) * | 2012-03-08 | 2012-07-18 | 浙江汇隆化纤有限公司 | 一种用于过滤网的色母粒刮除器 |
| CN102677190B (zh) * | 2012-06-09 | 2014-04-30 | 普宁市源辉化纤有限公司 | 一种利用废旧pet瓶片生产再生涤纶短纤维的方法 |
| CN102886834B (zh) * | 2012-10-05 | 2015-05-20 | 江苏亨通电子线缆科技有限公司 | 电缆料的快速除湿干燥装置 |
| DE102013021125A1 (de) * | 2013-12-13 | 2015-06-18 | Motan Holding Gmbh | Anlage mit wenigstens einer Vorrichtung für die Kunststoffbe- und/oder -verarbeitung |
| CN116442428B (zh) * | 2023-03-28 | 2023-11-24 | 佛山市色邦新材料有限公司 | 一种色母粒脱水干燥装置 |
Family Cites Families (6)
| 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 |
| US3547890A (en) * | 1967-08-23 | 1970-12-15 | Teijin Ltd | Process and apparatus for drying polyester particles |
| DE1770410A1 (de) * | 1968-05-14 | 1972-03-09 | Glanzstoff Ag | Verfahren zur Erhoehung des Molekulargewichts von Polyester |
| CH535928A (de) * | 1969-05-29 | 1973-04-15 | Schwarza Chemiefaser | Verfahren und Vorrichtung zum Trocknen von Granulaten aus synthetischen linearen Hoch-polymeren, insbesondere von Polyestergranulaten |
| FR2057283A5 (en) * | 1969-08-08 | 1971-05-21 | Chemiefaserkombinat Piec | Drying synthetic polymer particularly poly - ester granules |
-
1975
- 1975-12-24 DE DE2558730A patent/DE2558730C3/de not_active Expired
-
1976
- 1976-12-16 US US05/751,014 patent/US4120849A/en not_active Expired - Lifetime
- 1976-12-17 NL NLAANVRAGE7614032,A patent/NL185557C/xx not_active IP Right Cessation
- 1976-12-22 AT AT952576A patent/AT356386B/de not_active IP Right Cessation
- 1976-12-22 LU LU76455A patent/LU76455A1/xx unknown
- 1976-12-22 IT IT30755/76A patent/IT1065699B/it active
- 1976-12-23 DK DK581776A patent/DK581776A/da not_active Application Discontinuation
- 1976-12-24 BE BE173635A patent/BE849859A/xx unknown
- 1976-12-24 FR FR7639059A patent/FR2336225A1/fr active Granted
- 1976-12-24 GB GB54151/76A patent/GB1573719A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2332626C1 (ru) * | 2007-03-13 | 2008-08-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный текстильный университет им. А.Н. Косыгина" | Установка для сушки растворов и суспензий в кипящем слое инертных тел |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7614032A (nl) | 1977-06-28 |
| DE2558730A1 (de) | 1977-07-07 |
| DE2558730B2 (de) | 1980-01-24 |
| NL185557C (nl) | 1990-05-16 |
| DE2558730C3 (de) | 1982-04-22 |
| FR2336225A1 (fr) | 1977-07-22 |
| AT356386B (de) | 1980-04-25 |
| DK581776A (da) | 1977-06-25 |
| ATA952576A (de) | 1979-09-15 |
| BE849859A (fr) | 1977-06-24 |
| NL185557B (nl) | 1989-12-18 |
| IT1065699B (it) | 1985-03-04 |
| FR2336225B1 (enExample) | 1982-11-12 |
| US4120849A (en) | 1978-10-17 |
| LU76455A1 (enExample) | 1977-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |