DE3224903C2 - - Google Patents
Info
- Publication number
- DE3224903C2 DE3224903C2 DE3224903A DE3224903A DE3224903C2 DE 3224903 C2 DE3224903 C2 DE 3224903C2 DE 3224903 A DE3224903 A DE 3224903A DE 3224903 A DE3224903 A DE 3224903A DE 3224903 C2 DE3224903 C2 DE 3224903C2
- Authority
- DE
- Germany
- Prior art keywords
- molecular sieve
- air
- outlet
- heating
- bed
- 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
- 239000002808 molecular sieve Substances 0.000 claims description 60
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 60
- 238000001035 drying Methods 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 26
- 229920000426 Microplastic Polymers 0.000 claims description 6
- 239000008187 granular material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
-
- 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
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)
- Drying Of Solid Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823224903 DE3224903A1 (de) | 1982-07-03 | 1982-07-03 | Verfahren zum trocknen von kunststoffgranulat und trockenlufttrockner hierfuer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823224903 DE3224903A1 (de) | 1982-07-03 | 1982-07-03 | Verfahren zum trocknen von kunststoffgranulat und trockenlufttrockner hierfuer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3224903A1 DE3224903A1 (de) | 1984-01-05 |
| DE3224903C2 true DE3224903C2 (es) | 1988-01-14 |
Family
ID=6167532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823224903 Granted DE3224903A1 (de) | 1982-07-03 | 1982-07-03 | Verfahren zum trocknen von kunststoffgranulat und trockenlufttrockner hierfuer |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3224903A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19957664A1 (de) | 1999-11-30 | 2001-05-31 | Basf Ag | Vorrichtung zum Trocknen und thermischen Behandeln von Granulat mit einem Inertgasstrom |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2549104A (en) * | 1946-06-29 | 1951-04-17 | Socony Vacuum Oil Co Inc | Method for revivification of desiccants |
-
1982
- 1982-07-03 DE DE19823224903 patent/DE3224903A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3224903A1 (de) | 1984-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |