DE50003340D1 - Method and device for drying granules - Google Patents

Method and device for drying granules

Info

Publication number
DE50003340D1
DE50003340D1 DE50003340T DE50003340T DE50003340D1 DE 50003340 D1 DE50003340 D1 DE 50003340D1 DE 50003340 T DE50003340 T DE 50003340T DE 50003340 T DE50003340 T DE 50003340T DE 50003340 D1 DE50003340 D1 DE 50003340D1
Authority
DE
Germany
Prior art keywords
drying
heater
air
individual
heating power
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 - Lifetime
Application number
DE50003340T
Other languages
German (de)
Inventor
Andreas Vierling
Gerd Adolf Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colortronic GmbH
Original Assignee
Colortronic GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Colortronic GmbH filed Critical Colortronic GmbH
Priority to DE50003340T priority Critical patent/DE50003340D1/en
Application granted granted Critical
Publication of DE50003340D1 publication Critical patent/DE50003340D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
    • 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
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Each drying airflow supplied to a silo (20, 30) has its own heater (23a, 33a). Drying airflow is controlled both as a function of temperature and the respective heater power. On reaching a given heating power, the respective drying air flow is throttled back. This assures heating to a preselected desired temperature, independently of the drying air quantity distributed into the individual air flows. An Independent claim is included for the plant carrying out the process. A drying-air dryer (10), heater (23a, 33a), blower (6) and drying circuit (9) are employed. Flow- (11) and return- (12) lines have interconnecting branches (21, 28;31, 38) for each supply line (21, 31). Preferred features: Throttling of a drying air stream in accordance with heating power, is triggered when the relevant heater does not switch off within a given interval. In each branched line, the individual heater is located after the valve.
DE50003340T 1999-07-07 2000-06-15 Method and device for drying granules Expired - Lifetime DE50003340D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50003340T DE50003340D1 (en) 1999-07-07 2000-06-15 Method and device for drying granules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19931357A DE19931357C1 (en) 1999-07-07 1999-07-07 Method and device for drying granules
DE50003340T DE50003340D1 (en) 1999-07-07 2000-06-15 Method and device for drying granules

Publications (1)

Publication Number Publication Date
DE50003340D1 true DE50003340D1 (en) 2003-09-25

Family

ID=7913946

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19931357A Expired - Fee Related DE19931357C1 (en) 1999-07-07 1999-07-07 Method and device for drying granules
DE50003340T Expired - Lifetime DE50003340D1 (en) 1999-07-07 2000-06-15 Method and device for drying granules

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19931357A Expired - Fee Related DE19931357C1 (en) 1999-07-07 1999-07-07 Method and device for drying granules

Country Status (7)

Country Link
EP (1) EP1067348B1 (en)
AT (1) ATE247812T1 (en)
BR (1) BR0002304A (en)
CA (1) CA2312511A1 (en)
DE (2) DE19931357C1 (en)
ES (1) ES2204403T3 (en)
MX (1) MXPA00006721A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049437B3 (en) * 2006-10-16 2008-03-27 Lanco Gmbh Hot air drying equipment for bulk materials, especially plastic granules, includes valves controlling air flow recirculated between drying chamber and drying agent chamber
EP2020581A1 (en) * 2007-08-03 2009-02-04 Moretto S.P.A. Plant and process for the controlled dehumidification of granular material
DE102015005822A1 (en) * 2015-05-05 2016-11-10 Zbk Zentrum Für Baukeramik Gmbh Plant and process for drying ceramic raw materials or blanks
DE102015116876A1 (en) * 2015-10-05 2017-04-06 Zbk Zentrum Für Baukeramik Gmbh Plant and method for drying ceramic raw materials and blanks
CN106903987A (en) * 2017-03-13 2017-06-30 广州黑马科技有限公司 Intaglio press air circulation system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131471A1 (en) * 1981-03-20 1982-09-30 Roderich Wilhelm Dr.-Ing. 6100 Darmstadt Gräff DEVICE FOR DRYING HUMIDIFIER EXHAUST FROM ONE OR SEVERAL DUMP DRYING CONTAINERS
GB2122384A (en) * 1982-06-14 1984-01-11 Conair Plastics material drying cycle
DE4037443A1 (en) * 1990-11-24 1992-05-27 Mann & Hummel Filter DEVICE FOR DRYING SCHUETTGUT
DE4234696C2 (en) * 1991-10-14 1994-06-09 Werner Koch Device for drying plastic bulk goods
DE4321895A1 (en) * 1993-07-01 1995-01-12 Holger Achelpohl Process and apparatus for drying bulk material, preferably plastics granules (pellets)
DE4321863C2 (en) * 1993-07-01 2000-01-05 Behr Gmbh & Co Method and device for desorbing a moisture adsorbing material
DE29621313U1 (en) * 1996-12-07 1997-01-30 digicolor GmbH, 33609 Bielefeld Device for drying granules

Also Published As

Publication number Publication date
DE19931357C1 (en) 2001-04-05
EP1067348B1 (en) 2003-08-20
CA2312511A1 (en) 2001-01-07
ATE247812T1 (en) 2003-09-15
ES2204403T3 (en) 2004-05-01
MXPA00006721A (en) 2005-04-01
EP1067348A1 (en) 2001-01-10
BR0002304A (en) 2001-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition