DE1957333A1 - Verfahren und Vorrichtung zum Trocknen von Granulaten aus synthetischen linearen Hochpolymeren,insbesondere aus Polyestergranulaten - Google Patents
Verfahren und Vorrichtung zum Trocknen von Granulaten aus synthetischen linearen Hochpolymeren,insbesondere aus PolyestergranulatenInfo
- Publication number
- DE1957333A1 DE1957333A1 DE19691957333 DE1957333A DE1957333A1 DE 1957333 A1 DE1957333 A1 DE 1957333A1 DE 19691957333 DE19691957333 DE 19691957333 DE 1957333 A DE1957333 A DE 1957333A DE 1957333 A1 DE1957333 A1 DE 1957333A1
- Authority
- DE
- Germany
- Prior art keywords
- granulate
- hollow body
- stage
- gas
- dryer
- 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
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 95
- 238000001035 drying Methods 0.000 title claims abstract description 31
- 229920001059 synthetic polymer Polymers 0.000 title 1
- 238000002425 crystallisation Methods 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 238000000265 homogenisation Methods 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract 2
- 230000008018 melting Effects 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims description 93
- 238000000034 method Methods 0.000 claims description 33
- 230000008025 crystallization Effects 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000008961 swelling Effects 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 2
- 241000237942 Conidae Species 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 239000012791 sliding layer Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004792 oxidative damage Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation 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
- 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
-
- 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
- F26B17/122—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 material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls
- F26B17/124—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 material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls the vertical walls having the shape of at least two concentric cylinders with the material to be dried moving in-between
-
- 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
- F26B17/122—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 material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls
- F26B17/126—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 material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls the vertical walls consisting of baffles, e.g. in louvre-arrangement
-
- 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
- F26B17/1408—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 gas being supplied and optionally extracted through ducts extending into the moving stack of material
- F26B17/1425—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 gas being supplied and optionally extracted through ducts extending into the moving stack of material the ducts being perforated and arranged vertically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/022—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow
- F26B21/028—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow by air valves, movable baffles or nozzle arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—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 or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
-
- 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 good
- F26B2200/08—Granular materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14014369 | 1969-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1957333A1 true DE1957333A1 (de) | 1970-12-03 |
Family
ID=5481275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691957333 Pending DE1957333A1 (de) | 1969-05-29 | 1969-11-14 | Verfahren und Vorrichtung zum Trocknen von Granulaten aus synthetischen linearen Hochpolymeren,insbesondere aus Polyestergranulaten |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT318489B (enrdf_load_stackoverflow) |
| BG (1) | BG18520A1 (enrdf_load_stackoverflow) |
| CH (1) | CH535928A (enrdf_load_stackoverflow) |
| DE (1) | DE1957333A1 (enrdf_load_stackoverflow) |
| RO (1) | RO58425A (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2558730A1 (de) * | 1975-12-24 | 1977-07-07 | Hoechst Ag | Verfahren zum kristallisieren und trocknen von polyaethylenterephthalat und vorrichtung zur durchfuehrung des verfahrens |
| EP0091566A1 (de) * | 1982-04-02 | 1983-10-19 | Karl Fischer Industrieanlagen Gmbh | Verfahren und Vorrichtung zur Nachkondensation von Polykondensaten |
| DE3234431A1 (de) * | 1982-09-17 | 1984-03-22 | Roderich Wilhelm Dr.-Ing. 6100 Darmstadt Gräff | Verfahren und vorrichtung zur abfuehrung von gasen und daempfen aus mit schuettgut gefuelltem trocknungstrichter |
| DE3733793A1 (de) * | 1987-10-06 | 1989-04-20 | Graeff Roderich Wilhelm | Verfahren und vorrichtung zum kristallisieren von amorphem kunststoffgranulat |
| EP0711641A3 (en) * | 1994-11-14 | 1996-12-27 | Conair Group Inc | Method and device for controlled drying of the plastic granulate |
| WO2001021372A1 (de) * | 1999-09-22 | 2001-03-29 | Helmut Bacher | Verfahren und vorrichtung zum recyclieren von pet-gut |
| CN103264457A (zh) * | 2013-05-31 | 2013-08-28 | 常熟市金泉化纤织造有限责任公司 | 一种防止聚苯硫醚切片干燥过程中氧化的连续干燥方法 |
-
1969
- 1969-11-10 CH CH1666869A patent/CH535928A/de not_active IP Right Cessation
- 1969-11-14 DE DE19691957333 patent/DE1957333A1/de active Pending
- 1969-11-21 AT AT1087769A patent/AT318489B/de not_active IP Right Cessation
-
1970
- 1970-01-13 RO RO62118A patent/RO58425A/ro unknown
- 1970-05-30 BG BG13848A patent/BG18520A1/xx unknown
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2558730A1 (de) * | 1975-12-24 | 1977-07-07 | Hoechst Ag | Verfahren zum kristallisieren und trocknen von polyaethylenterephthalat und vorrichtung zur durchfuehrung des verfahrens |
| EP0091566A1 (de) * | 1982-04-02 | 1983-10-19 | Karl Fischer Industrieanlagen Gmbh | Verfahren und Vorrichtung zur Nachkondensation von Polykondensaten |
| DE3234431A1 (de) * | 1982-09-17 | 1984-03-22 | Roderich Wilhelm Dr.-Ing. 6100 Darmstadt Gräff | Verfahren und vorrichtung zur abfuehrung von gasen und daempfen aus mit schuettgut gefuelltem trocknungstrichter |
| DE3733793A1 (de) * | 1987-10-06 | 1989-04-20 | Graeff Roderich Wilhelm | Verfahren und vorrichtung zum kristallisieren von amorphem kunststoffgranulat |
| EP0711641A3 (en) * | 1994-11-14 | 1996-12-27 | Conair Group Inc | Method and device for controlled drying of the plastic granulate |
| WO2001021372A1 (de) * | 1999-09-22 | 2001-03-29 | Helmut Bacher | Verfahren und vorrichtung zum recyclieren von pet-gut |
| US6784214B1 (en) | 1999-09-22 | 2004-08-31 | Helmut Bacher | Method and device for recycling pet materials |
| US7108500B2 (en) | 1999-09-22 | 2006-09-19 | Helmut Bacher | Process and apparatus for recycling of PET-material |
| CN103264457A (zh) * | 2013-05-31 | 2013-08-28 | 常熟市金泉化纤织造有限责任公司 | 一种防止聚苯硫醚切片干燥过程中氧化的连续干燥方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BG18520A1 (enrdf_load_stackoverflow) | 1975-02-25 |
| RO58425A (enrdf_load_stackoverflow) | 1975-09-15 |
| AT318489B (de) | 1974-10-25 |
| CH535928A (de) | 1973-04-15 |
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