EP1180231B1 - Trockner für band- oder plattenförmiges gut - Google Patents
Trockner für band- oder plattenförmiges gut Download PDFInfo
- Publication number
- EP1180231B1 EP1180231B1 EP00920488A EP00920488A EP1180231B1 EP 1180231 B1 EP1180231 B1 EP 1180231B1 EP 00920488 A EP00920488 A EP 00920488A EP 00920488 A EP00920488 A EP 00920488A EP 1180231 B1 EP1180231 B1 EP 1180231B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dryer
- drying
- cross
- nozzle
- strip
- 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
Links
- 238000001035 drying Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 2
- 239000011507 gypsum plaster Substances 0.000 claims 2
- 238000005192 partition Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract 2
- 230000003068 static effect Effects 0.000 abstract 2
- 239000011505 plaster Substances 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
-
- 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
Definitions
- the invention relates to a dryer for strip or plate-shaped material, in particular a multi-floor dryer for plasterboard or veneer, according to the generic term of claim 1 or claim 2.
- WO 84/01424 describes a device for heating or cooling food, with a fan, nozzle boxes and a conveyor belt in an outer housing are arranged.
- the fan is located in a short distance in front of the nozzle boxes, that its axis of rotation is approximately centered between the nozzle boxes.
- the pressure room between the fan and the inlet opening of the nozzle boxes is one inner housing limited.
- the guide body protrudes far in with one edge the pressure chamber, so that the distance of this edge to the fan is only about one corresponds to a quarter of the width of the print room.
- Such a guide body is for the invention Tumble dryer not suitable.
- the invention is based on the dryer known from DE 197 01 426 A1 in which even drying is achieved across the entire width of the crop should. This is largely achieved in that the distance between the nozzles Guts Type is adjustable at least at one end of the nozzle box and on both ends are different sizes. However, it has been shown that the drying on the side of the air inlet in the nozzle box is less than the rest Length of the nozzle box. Studies have shown that in the area behind the Air intake in the jet box swirls occur. These arise due to the compact design of the dryer, which has a relatively high, vertically directed Flow velocity in the pressure chamber in front of the nozzle boxes.
- the Speed in the area of the air inlet in the nozzle box next to the horizontal also a vertical component, which causes the turbulence.
- This in practice means that drying must take entire property to ensure the maximum permissible residual moisture. This means more Energy can be used for drying than under optimal conditions required.
- the object of the invention is to provide a dryer with the specified in the preamble To create features that also on the side of the air inlet in the nozzle box uniform drying with improved energy utilization is achieved.
- the dryer is e.g. from a multitude of modularly lined up Compartments.
- a compartment measures 2.0 m to 2.5 m in the conveying direction and is 2.5 m to 6.0 m wide. As can be seen from Figures 1 and 2, it has a ceiling 1 and side walls 2, 3.
- a core area 7 separated from a circulating air duct. This exists from a horizontal channel 8 over the core area 7, a lateral vertical Pressure chamber 9 and one on the opposite side essentially Collection channel 10 arranged in mirror symmetry.
- the width of the core region 7 is about 50 to 70% of the total width, the height is about 60 to 80% of the total height.
- rollers 22 arranged on one side on the partition 5 and on the others are stored in the support frame 6. All roles 22 are not shown Gears and chains can be driven at the same speed and form in each Level a roller conveyor that extends the entire length of the dryer.
- One end of the nozzle box 12 is designed as an inflow opening 13, the other End 14 is closed.
- the nozzle boxes 12 are wedge-shaped, so that you Cross section decreases steadily in the direction of the closed end 14.
- the end with the inflow opening 13 is suitable in a rectangular recess of the partition 5 attached.
- the guide bodies 20 extend over the entire length of the partition 5.
- the vertical extension H of the guide body 20 in the immediate area of the partition 5 corresponds exactly to the distance between the upper limit of the inflow opening 13 of a nozzle box 12 and the lower limit of the inflow opening 13 of the immediately above Nozzle box 12. Therefore there is a guide body 20 with respect to the inflow opening 13 cross-sectionally neutral, that is, the cross section of the inflow opening 13 is not changed.
- the length L with which a guide body 20 projects into the pressure chamber 9 is 60 mm to 100 mm, preferably 60 mm to 80 mm.
- a fan 15 is attached to the side wall 2, with a Motor 16 is drivable.
- the suction side of the fan 15 is to the collecting duct 10 open.
- the pressure side of the fan 15 is connected to a diffuser 17, which in the horizontal channel 8 opens.
- a heat exchanger 18 is arranged on the side of the horizontal channel 8.
- the collecting channel 10 and the horizontal channel 8 are separated from each other by a wall 19.
- the invention can also be used in other dryers in which, owing to the compact design disturbing turbulence when entering the nozzle box arise, e.g. for belt dryers. Instead of a number of Transport systems be arranged a meandering belt. This occurs the problem of turbulence increases with increasing number of floors Appearance, that is, especially in plasterboard dryers, where up to twelve Floors are known.
- a guide body 20 extends in each case across the width of the inflow opening 13 of a nozzle box 12.
- an upper nozzle box 12 and one immediately below the nozzle box 12 connected like pants so that both form a double box and have a common inflow opening 13.
- the fan 15 sucks drying air from the collecting duct 10 and presses it through the diffuser 17 into the horizontal channel 8 in the direction of the arrow 21.
- the drying air flows through the heat exchanger 18, is heated and flows into pressure chamber 9.
- the flow is from top to bottom directed and must in an approximation when flowing into the nozzle boxes 12 horizontal flow are diverted here, which cause pressure chamber 9 protruding guide body extensive alignment of the flow lines, so that a Vortex formation is avoided.
- the drying air is released from the nozzles onto the surface blown the drying material 11, takes up water and flows into the Collection duct 10, from where it is sucked back into the circuit to the fan 15. Part of the drying air, which corresponds approximately to the amount of water evaporated, is removed from the cycle.
- the guide body 20 shown in cross section in FIG. 3 according to claim 2 is preferred used in dryers for peeled veneer. He's kind of a bit after here finger curved at the top
- the cross section of a guide body is geometrical 20 composed of two circle segments with non-identical centers.
- the radius R1 of the upper circle segment 23 is 180 mm to 220 mm, preferably 190 mm to 210 mm; the radius R2 of the lower circle segment 24 is 80 mm to 120 mm, preferably 90 mm to 100 mm.
- the guide body 26 shown in cross section in FIG. 4 according to claim 3 is preferred used in dryers for plasterboard.
- the guide body 26 has here Shape of a rectangle with an attached semicircle, the round side in the Pressure chamber 9 protrudes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Adhesive Tapes (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
- Figur 1
- zeigt den Querschnitt eines erfindungsgemäßen Trockners.
- Figur 2
- zeigt einen Längsschnitt mit Ansicht auf die Trennwand
- Figur 3
- zeigt einen Leitkörper nach Anspruch 2 als Einzelheit.
- Figur 4
- zeigt einen Leitkörper nach Anspruch 3 als Einzelheit.
Claims (2)
- Trockner für band- oder plattenförmiges Gut, insbesondere Mehretagentrockner für Gipskartonplatten oder Furniere,
mit Fördereinrichtungen, insbesondere mit Rollen- oder Bandförderern,
mit Düsenkästen (12), die sich über die Breite der Fördereinrichtungen erstrecken, an einem Ende eine Einströmöffnung (13) aufweisen und am anderen Ende (14) geschlossen, sind und mit Düsenöffnungen zum Blasen von Trocknungsluft auf zumindest eine Seite des durchlaufenden Gutes,
und mit strömungsverbessernden querschnittsneutrafen Leitkörpern (20, 26) zwischen den einströmseitigen Enden zweier vertikal benachbarter Düsenkästen (12)
dadurch gekennzeichnet, daß der Leitkörper (20) einen Querschnitt nach Art eines leicht nach oben gekrümmten Fingers aufweist. - Trockner für band- oder plattenförmiges Gut, insbesondere Mehretagentrockner für Gipskartonplatten oder Furniere,
mit Fördereinrichtungen, insbesondere mit Rollen- oder Bandförderern,
mit Düsenkästen (12), die sich über die Breite der Fördereinrichtungen erstrecken, an einem Ende eine Einströmöffnung (13) aufweisen und am anderen Ende (14) geschlossen sind und mit Düsenöffnungen zum Blasen von Trocknungsluft auf zumindest eine Seite des durchlaufenden Gutes,
und mit strömungsverbessemden querschnittsneutralen Leitkörpem (20, 26) zwischen den einströmseitigen Enden zweier vertikal benachbarter Düsenkästen (12)
dadurch gekennzeichnet, daß der Leitkörper (26) einen Querschnitt aufweist, der sich aus einem Rechteck mit einem angesetzten Halbkreis zusammensetzt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK00920488T DK1180231T3 (da) | 1999-05-12 | 2000-03-10 | Törreanlæg til bånd- eller pladeformet materiale |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19922165 | 1999-05-12 | ||
DE19922165A DE19922165C2 (de) | 1999-05-12 | 1999-05-12 | Trockner für band- oder plattenförmiges Gut |
PCT/EP2000/002139 WO2000070283A1 (de) | 1999-05-12 | 2000-03-10 | Trockner für band- oder plattenförmiges gut |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1180231A1 EP1180231A1 (de) | 2002-02-20 |
EP1180231B1 true EP1180231B1 (de) | 2004-06-16 |
Family
ID=7908009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00920488A Expired - Lifetime EP1180231B1 (de) | 1999-05-12 | 2000-03-10 | Trockner für band- oder plattenförmiges gut |
Country Status (11)
Country | Link |
---|---|
US (1) | US6581302B1 (de) |
EP (1) | EP1180231B1 (de) |
JP (1) | JP2002544468A (de) |
AT (1) | ATE269528T1 (de) |
CA (1) | CA2372752C (de) |
DE (2) | DE19922165C2 (de) |
DK (1) | DK1180231T3 (de) |
ES (1) | ES2220454T3 (de) |
PT (1) | PT1180231E (de) |
TW (1) | TW464753B (de) |
WO (1) | WO2000070283A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10146179C1 (de) * | 2001-09-19 | 2002-10-31 | Babcock Bsh Gmbh | Anlage zum Trocknen von Gipskartonplatten |
WO2004101238A2 (en) * | 2003-05-12 | 2004-11-25 | Coe Manufacturing Company | Veneer dryer |
US7448147B2 (en) * | 2004-11-22 | 2008-11-11 | Metso Paper Usa, Inc. | Nozzle insert for a Yankee impingement hood |
US20080168675A1 (en) * | 2007-01-16 | 2008-07-17 | Hamilton Beach/Proctor-Silex, Inc. | Portable Clothes Dryer with Multiple Drying Shelves |
US8061055B2 (en) * | 2007-05-07 | 2011-11-22 | Megtec Systems, Inc. | Step air foil web stabilizer |
EP2741037A1 (de) * | 2012-12-05 | 2014-06-11 | Saint-Gobain Placo SAS | Trockensystem |
CN103009473B (zh) * | 2012-12-13 | 2014-12-17 | 浙江皇铭新型建材科技有限公司 | 一种墙体养护控型凉架 |
KR101974033B1 (ko) * | 2015-06-03 | 2019-05-07 | 한국에너지기술연구원 | 가변형 가이드 베인이 구비된 열교반 히트펌프 건조시스템 |
CN106091656B (zh) * | 2016-06-21 | 2019-06-25 | 特一(上海)新材料有限公司 | 烘箱内部风道结构 |
CN107726806A (zh) * | 2017-10-19 | 2018-02-23 | 李常青 | 一种木板烘干设备 |
DE102018002074A1 (de) * | 2018-03-15 | 2019-09-19 | Grenzebach Bsh Gmbh | Trocknungsvorrichtung zum Trocknen von Gipsplatten |
DE102018002073A1 (de) * | 2018-03-15 | 2019-09-19 | Grenzebach Bsh Gmbh | Düsenkasten für eine Trocknungsvorrichtung zum Trocknen von Gipsplatten |
DE102018002107A1 (de) * | 2018-03-15 | 2019-09-19 | Grenzebach Bsh Gmbh | Verfahren und Vorrichtung zum Trocknen von Gipsplatten |
KR102003041B1 (ko) * | 2018-11-20 | 2019-07-24 | 주식회사 조은바람 | 공기정화장치 제어방법 |
CN111504017A (zh) * | 2020-04-30 | 2020-08-07 | 台州市勒言自动化科技有限公司 | 一种农副产品烘干箱体 |
DE102020004454A1 (de) | 2020-07-23 | 2022-01-27 | Grenzebach Bsh Gmbh | Trockner zum Trocknen eines plattenförmigen Guts |
CN113043442A (zh) * | 2021-03-20 | 2021-06-29 | 胡旭 | 一种模块化建筑墙体加工系统及加工方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE281650C (de) | ||||
FR1321839A (fr) | 1962-05-08 | 1963-03-22 | Haas Friedrich Maschf | Installation de traitement de matière fibreuse lâche |
US3296713A (en) * | 1963-08-07 | 1967-01-10 | Svenska Flaektfabriken Ab | Arrangement in multi-deck driers with roller conveyors |
US3529357A (en) * | 1968-09-20 | 1970-09-22 | Moore Dry Kiln Co | Method and apparatus for high-speed drying of gypsum board |
US4050885A (en) * | 1976-03-18 | 1977-09-27 | National Gypsum Company | Method of drying gypsum wallboard and apparatus therefor |
DE3120917A1 (de) * | 1981-05-26 | 1982-12-23 | Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld | Durchlauftrockner fuer messerfurniere |
US4523391A (en) | 1982-09-27 | 1985-06-18 | Donald P. Smith | High efficiency impingement heating and cooling apparatus |
US4777604A (en) * | 1984-01-25 | 1988-10-11 | Robinson John W | Method and apparatus for controlling batch dryers |
DE3639929A1 (de) * | 1986-11-22 | 1988-06-01 | Babcock Bsh Ag | Durchlauftrockner fuer furnierblaetter |
DE4412148C1 (de) * | 1994-04-11 | 1995-10-26 | Keller Gmbh | Düsenkasten zum Beblasen von zu trocknenden keramischen Formlingen |
DE4435324C2 (de) * | 1994-10-01 | 1998-07-02 | Steimer Waermetechnik Gmbh | Vorrichtung zum Trocknen keramischer Formlinge |
US5603168A (en) * | 1994-11-30 | 1997-02-18 | The Coe Manufacturing Company | Method and apparatus for controlling a dryer |
DE29700769U1 (de) | 1997-01-17 | 1997-03-13 | Babcock-BSH GmbH, 36251 Bad Hersfeld | Trockner für Gipskartonplatten |
DE29701755U1 (de) | 1997-02-01 | 1997-04-17 | Babcock-BSH GmbH, 36251 Bad Hersfeld | Vorrichtung zum Wärmebehandeln von durchlaufenden platten- oder bandförmigen Gütern |
-
1999
- 1999-05-12 DE DE19922165A patent/DE19922165C2/de not_active Expired - Fee Related
-
2000
- 2000-03-10 WO PCT/EP2000/002139 patent/WO2000070283A1/de active IP Right Grant
- 2000-03-10 US US09/913,918 patent/US6581302B1/en not_active Expired - Fee Related
- 2000-03-10 PT PT00920488T patent/PT1180231E/pt unknown
- 2000-03-10 ES ES00920488T patent/ES2220454T3/es not_active Expired - Lifetime
- 2000-03-10 JP JP2000618670A patent/JP2002544468A/ja active Pending
- 2000-03-10 DK DK00920488T patent/DK1180231T3/da active
- 2000-03-10 EP EP00920488A patent/EP1180231B1/de not_active Expired - Lifetime
- 2000-03-10 CA CA002372752A patent/CA2372752C/en not_active Expired - Fee Related
- 2000-03-10 DE DE50006827T patent/DE50006827D1/de not_active Expired - Fee Related
- 2000-03-10 AT AT00920488T patent/ATE269528T1/de not_active IP Right Cessation
- 2000-04-18 TW TW089107254A patent/TW464753B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE269528T1 (de) | 2004-07-15 |
DE19922165A1 (de) | 2000-11-23 |
WO2000070283A1 (de) | 2000-11-23 |
JP2002544468A (ja) | 2002-12-24 |
US6581302B1 (en) | 2003-06-24 |
DE19922165C2 (de) | 2001-08-30 |
CA2372752C (en) | 2006-12-05 |
TW464753B (en) | 2001-11-21 |
PT1180231E (pt) | 2004-09-30 |
CA2372752A1 (en) | 2000-11-23 |
DK1180231T3 (da) | 2004-11-01 |
ES2220454T3 (es) | 2004-12-16 |
EP1180231A1 (de) | 2002-02-20 |
DE50006827D1 (de) | 2004-07-22 |
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