EP1024336A2 - Installation de séchage - Google Patents

Installation de séchage Download PDF

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Publication number
EP1024336A2
EP1024336A2 EP00890021A EP00890021A EP1024336A2 EP 1024336 A2 EP1024336 A2 EP 1024336A2 EP 00890021 A EP00890021 A EP 00890021A EP 00890021 A EP00890021 A EP 00890021A EP 1024336 A2 EP1024336 A2 EP 1024336A2
Authority
EP
European Patent Office
Prior art keywords
drying
fan
air
air passage
plant according
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.)
Granted
Application number
EP00890021A
Other languages
German (de)
English (en)
Other versions
EP1024336A3 (fr
EP1024336B1 (fr
Inventor
Theodor Vanicek
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT00890021T priority Critical patent/ATE305123T1/de
Publication of EP1024336A2 publication Critical patent/EP1024336A2/fr
Publication of EP1024336A3 publication Critical patent/EP1024336A3/fr
Application granted granted Critical
Publication of EP1024336B1 publication Critical patent/EP1024336B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F26B21/02—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
    • F26B21/026—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 reversing fan rotation

Definitions

  • the invention relates to a drying system with a drying chamber in which a Drying room is defined for material to be dried, one in the drying chamber arranged fan or a fan group, at least one air outlet, between the interior of the drying chamber and its outside environment communicates, and at least one reverse air passage located between the Communicates interior of the drying chamber and its external environment, wherein an air circulation path is formed in the drying chamber from one side the fan or the fan group through the drying room through and back to the other side of the fan or fan group.
  • the known drying system consists of a generally designated 101 Drying chamber in which a drying space 102 is defined for material to be dried which is stackable goods such as the illustrated Wooden board stack 103, or can also be bulk goods.
  • a drying space 102 is defined for material to be dried which is stackable goods such as the illustrated Wooden board stack 103, or can also be bulk goods.
  • an air flow in the drying chamber is a fan 104 under the ceiling of the Drying chamber arranged by a false ceiling 105, from Drying room 102 is separated.
  • Air passages 106, 107 are formed, of which - depending on the conveying direction of the Fans - one acts as a fresh air inlet and the other as an exhaust air outlet.
  • one or more heating registers 108 are provided which extend from the left edge of the False ceiling 105 towards a side wall of the drying chamber extends / extend, heating controller also on the other side or in general also could be arranged in the false ceiling in front of or behind the fan. Due to the arrangement of the fan shown under the ceiling with a the false ceiling underneath, which separates the fan from the drying room, but the false ceiling does not extend over the entire ceiling area, an air circulation path is formed in the drying chamber from one side of the Fan starting above the false ceiling, through the heating register into the drying room and across it to an opening 109 between an end edge of the false ceiling and a side wall up and extends back to the fan. Opening and closing the flaps 106, 107 takes place automatically via a control and regulating device depending on climate, air speed or wood moisture change.
  • This forced air circulation in the drying chamber by means of a fan is therefore appropriate so that the material to be dried can emit more water vapor by always supplying air not saturated with water vapor, which in addition to Circulation a fresh air supply to the drying chamber and an exhaust air discharge the drying chamber.
  • the airflow speed will be depending on the type and condition of the material to be dried.
  • An air flow D is generated by the fan, which is shown in the drawing is directed to the right. Part of this air flow D is exhaust air D1 through the Air passage 107, which now acts as an outlet, from drying chamber 101 pushed out. The remaining part D2 of the air flow flows through the opening 109 down into the drying room 102, whereupon it goes through the board stack 103 flows through. After four airflow has passed through the board stack it is sucked up through the heating register 108 (arrow D3) and thereby as required by the heating register under the control of a control and regulating device warmed up. The heated air flow D3 then mixes with cold air Fresh air D4. which from the fan from the air passage 106 which acts as an inlet, is sucked in.
  • the present invention aims at efficiency and / or energy consumption to improve considerably a drying system explained at the outset, one such a system does not necessarily have to be equipped with a heating register.
  • This object is achieved in that both the at least one air outlet and also the at least one reverse air passage on the same, between Drying room and fan or fan group running section of the Air circulation paths are arranged.
  • the known Plant the air outlets on opposite sections of the Air circulation path arranged. It is due to the modification according to the invention possible that the fresh air is sucked in without mixing with the exhaust air and it is ensured that the heated air passes through the material to be dried, without being exhausted with the exhaust air beforehand.
  • air passage and reverse air passage are used to express that in the operation of the drying plant these passages in opposite directions flowed towards, i.e. one acts as an inlet and the other as an outlet.
  • the drying process is accelerated with heated air, as this is more Can absorb water vapor. It is therefore advantageous in the air circulation path
  • Heating register arranged with the at least one air outlet or the communicates at least one reverse air passage.
  • the heating register will Conveniently designed so that on both sides of the air flow desired pressure difference occurs. This effect is reinforced by the Partition wall limited at least one side of the heating register.
  • a fluid flow path that is favorable in terms of flow technology results if between Fan or fan group and drying room a false ceiling or Partition is arranged.
  • This false ceiling or partition can advantageously limit at least one side of the heating register, it also under the material to be dried or to the side of it.
  • the drying plant according to the invention consists of a generally 1 designated drying chamber in which a drying room 2 for material to be dried is defined, e.g. Stack of wooden boards 3.
  • a drying room 2 for material to be dried is defined, e.g. Stack of wooden boards 3.
  • a fan 4 under the ceiling of the drying chamber arranged, which is separated from the drying room 2 by a false ceiling 5.
  • a group of fans can also be provided, which are arranged side by side or one above the other, for example.
  • the fans can be axial or radial fans.
  • the roof of the Drying chamber formed two air passages 6, 7 arranged side by side, of which - depending on the direction of the fan - one as Fresh air inlet and the other acts as an exhaust air outlet.
  • a protruding one Partition 11 separates the openings of the passages from one another and forms one Branch for the air circulation path.
  • Each air outlet can be appropriately selective or can be closed together with others by butterfly valves 12.
  • there is a heating of the air flow circulating in the drying chamber Heating register 8 is provided, which extends from the right edge of the false ceiling 5 to Partition 11 extends.
  • the false ceiling 5 does not reach all the way to the left Side wall of the drying chamber 1, but leaves an opening 9 free through the air can flow.
  • the chosen size of the opening depends on factors like that Wood dimension, the stacking slats, the stack height and number and the type of wood. So that the air passes through the material to be dried, but not above it can flow, an apron 10 hangs down from the false ceiling 5.
  • an air circulation path is formed, which is from one side of the Fan starting above the false ceiling along the heating register through into the drying room and across this then through the Opening 9 goes up and back to the fan.
  • the flow conditions are described below with reference to FIG the fan delivers air to the right, i.e. in the direction of arrow A.
  • Part of the through air flow A conveyed through the fan passes as exhaust air A1 through the Air passage 6, which acts as an outlet, from the drying chamber 1.
  • the rest of it A2 of the air flow flows down through the heating register 8 and becomes thereby warms up and enters drying room 2 (represented by arrow A5), where it passes through the board stack 3 flows through.
  • the air circulation flow causes fresh air A4 from the air passage 7, which acts as an inlet, directly into the drying room 2 is sucked.
  • the exhaust air A1 by the suitably set Pressure conditions in the drying chamber is expelled from the passage 6, without having previously been undesirably heated again by the heating register 8.
  • the flaps and / or heating registers can be the same Functionality can also be arranged on both sides.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
EP00890021A 1999-01-29 2000-01-26 Installation de séchage Expired - Lifetime EP1024336B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT00890021T ATE305123T1 (de) 1999-01-29 2000-01-26 Trocknungsanlage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0012299A AT407797B (de) 1999-01-29 1999-01-29 Trocknungsanlage
AT12299 1999-01-29

Publications (3)

Publication Number Publication Date
EP1024336A2 true EP1024336A2 (fr) 2000-08-02
EP1024336A3 EP1024336A3 (fr) 2001-11-14
EP1024336B1 EP1024336B1 (fr) 2005-09-21

Family

ID=3482103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00890021A Expired - Lifetime EP1024336B1 (fr) 1999-01-29 2000-01-26 Installation de séchage

Country Status (3)

Country Link
EP (1) EP1024336B1 (fr)
AT (2) AT407797B (fr)
DE (1) DE50011192D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068126A1 (fr) * 2013-11-06 2015-05-14 Innovative Wood Drying & Consulting Amenda Stanislaw Système de séchage, en particulier pour le séchage du bois et procédé de séchage dans un tel système
CN106805270A (zh) * 2017-03-21 2017-06-09 张彦勇 一种枸杞烘干房

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105651011B (zh) * 2015-12-24 2018-06-12 江西立维卫浴有限公司 一种陶瓷生产线的干燥装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE300316C (fr) *
FR1023006A (fr) * 1949-08-09 1953-03-12 Appareil pour le conditionnement de l'air dans les locaux industriels, en particulier pour le séchage des pâtes alimentaires
FR1103916A (fr) * 1954-05-31 1955-11-08 Séchoir statique pour pâtes alimentaires
FR1247859A (fr) * 1959-02-14 1960-12-02 Svenska Flaektfabriken Ab Procédé pour régler la force du séchage dans les sécheurs à contre-courant
US3566480A (en) * 1967-05-01 1971-03-02 Frederick Noel Hope Johnstone Kilns
USRE28226E (en) * 1970-05-18 1974-11-05 Circulating air dryer
EP0017665A1 (fr) * 1979-04-09 1980-10-29 KELLER OFENBAU GmbH Dispositif pour le séchage rythmique d'articles céramiques moulés
EP0142071A2 (fr) * 1983-11-09 1985-05-22 Lignomat GmbH Procédé pour sécher le bois
EP0430910A1 (fr) * 1989-12-01 1991-06-05 Margaritelli - S.P.A. Installation de séchage artificiel du bois à cellule d'air chaud, pourvue d'un déflecteur lamellaire mobile pour interruption des courants internes d'air

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384887B (de) * 1981-11-03 1988-01-25 Leisser Josef Trockeneinrichtung fuer holz
AT403734B (de) * 1987-04-01 1998-05-25 Vanicek Friedrich Anordnung von axialventilatoren für holztrocknungsanlagen
AT2034U1 (de) * 1997-04-11 1998-03-25 Muehlboeck Kurt Trocknungsanlage, insbesondere für schnittholz

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE300316C (fr) *
FR1023006A (fr) * 1949-08-09 1953-03-12 Appareil pour le conditionnement de l'air dans les locaux industriels, en particulier pour le séchage des pâtes alimentaires
FR1103916A (fr) * 1954-05-31 1955-11-08 Séchoir statique pour pâtes alimentaires
FR1247859A (fr) * 1959-02-14 1960-12-02 Svenska Flaektfabriken Ab Procédé pour régler la force du séchage dans les sécheurs à contre-courant
US3566480A (en) * 1967-05-01 1971-03-02 Frederick Noel Hope Johnstone Kilns
USRE28226E (en) * 1970-05-18 1974-11-05 Circulating air dryer
EP0017665A1 (fr) * 1979-04-09 1980-10-29 KELLER OFENBAU GmbH Dispositif pour le séchage rythmique d'articles céramiques moulés
EP0142071A2 (fr) * 1983-11-09 1985-05-22 Lignomat GmbH Procédé pour sécher le bois
EP0430910A1 (fr) * 1989-12-01 1991-06-05 Margaritelli - S.P.A. Installation de séchage artificiel du bois à cellule d'air chaud, pourvue d'un déflecteur lamellaire mobile pour interruption des courants internes d'air

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068126A1 (fr) * 2013-11-06 2015-05-14 Innovative Wood Drying & Consulting Amenda Stanislaw Système de séchage, en particulier pour le séchage du bois et procédé de séchage dans un tel système
CN106805270A (zh) * 2017-03-21 2017-06-09 张彦勇 一种枸杞烘干房

Also Published As

Publication number Publication date
EP1024336A3 (fr) 2001-11-14
EP1024336B1 (fr) 2005-09-21
ATA12299A (de) 2000-10-15
DE50011192D1 (de) 2005-10-27
AT407797B (de) 2001-06-25
ATE305123T1 (de) 2005-10-15

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