EP1180231B1 - Sechoir pour materiau en bande ou en plaque - Google Patents

Sechoir pour materiau en bande ou en plaque Download PDF

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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
Application number
EP00920488A
Other languages
German (de)
English (en)
Other versions
EP1180231A1 (fr
Inventor
Rudi Philipp
Burkhard Behrendt
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.)
Grenzebach BSH GmbH
Original Assignee
Grenzebach BSH 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 Grenzebach BSH GmbH filed Critical Grenzebach BSH GmbH
Priority to DK00920488T priority Critical patent/DK1180231T3/da
Publication of EP1180231A1 publication Critical patent/EP1180231A1/fr
Application granted granted Critical
Publication of EP1180231B1 publication Critical patent/EP1180231B1/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
    • 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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Adhesive Tapes (AREA)

Claims (2)

  1. Séchoir pour matériau en bande ou en plaque, en particulier séchoir à étages multiples pour plaques en placoplâtre ou en bois de placage,
    avec des dispositifs de transport, en particulier des transporteurs à rouleaux ou des transporteurs à bande,
    avec des boítes de diffusion (12) qui s'étendent sur la largeur des dispositifs de transports, présentent à une extrémité une ouverture d'admission (13) et sont fermées à l'autre extrémité, et avec des orifices de diffusion pour souffler de l'air de séchage sur au moins un côté du matériau qui passe,
    et avec des corps de guidage (20, 26) de section neutre améliorant l'écoulement entre les extrémités du côté admission de deux boítes de diffusion (12) voisines verticalement,
    caractérisé en ce que le corps de guidage (20) présente une section transversale en forme de doigt légèrement recourbé vers le haut.
  2. Séchoir pour matériau en bande ou en plaque, en particulier séchoir à étages multiples pour plaques en placoplâtre ou en bois de placage,
    avec des dispositifs de transport, en particulier des transporteurs à rouleaux ou des transporteurs à bande,
    avec des boítes de diffusion (12) qui s'étendent sur la largeur des dispositifs de transports, présentent à une extrémité une ouverture d'admission (13) et sont fermées à l'autre extrémité, et avec des orifices de diffusion pour souffler de l'air de séchage sur au moins un côté du matériau qui passe,
    et avec des corps de guidage (20, 26) de section neutre améliorant l'écoulement entre les extrémités du côté admission de deux boítes de diffusion (12) voisines verticalement,
    caractérisé en ce que le corps de guidage (26) présente une section transversale qui se compose d'un rectangle avec un demi-cercle rapporté.
EP00920488A 1999-05-12 2000-03-10 Sechoir pour materiau en bande ou en plaque Expired - Lifetime EP1180231B1 (fr)

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
DE19922165A DE19922165C2 (de) 1999-05-12 1999-05-12 Trockner für band- oder plattenförmiges Gut
DE19922165 1999-05-12
PCT/EP2000/002139 WO2000070283A1 (fr) 1999-05-12 2000-03-10 Sechoir pour materiau en bande ou en plaque

Publications (2)

Publication Number Publication Date
EP1180231A1 EP1180231A1 (fr) 2002-02-20
EP1180231B1 true EP1180231B1 (fr) 2004-06-16

Family

ID=7908009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920488A Expired - Lifetime EP1180231B1 (fr) 1999-05-12 2000-03-10 Sechoir pour materiau en bande ou en plaque

Country Status (11)

Country Link
US (1) US6581302B1 (fr)
EP (1) EP1180231B1 (fr)
JP (1) JP2002544468A (fr)
AT (1) ATE269528T1 (fr)
CA (1) CA2372752C (fr)
DE (2) DE19922165C2 (fr)
DK (1) DK1180231T3 (fr)
ES (1) ES2220454T3 (fr)
PT (1) PT1180231E (fr)
TW (1) TW464753B (fr)
WO (1) WO2000070283A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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 (fr) * 2003-05-12 2004-11-25 Coe Manufacturing Company Secheur de plaquage
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 (fr) * 2012-12-05 2014-06-11 Saint-Gobain Placo SAS Système de séchage
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
DE102018002107A1 (de) * 2018-03-15 2019-09-19 Grenzebach Bsh Gmbh Verfahren und Vorrichtung zum Trocknen von Gipsplatten
DE102018002073A1 (de) * 2018-03-15 2019-09-19 Grenzebach Bsh Gmbh Düsenkasten für eine Trocknungsvorrichtung 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
CN113043442B (zh) * 2021-03-20 2024-09-27 上海绍禹建筑安装工程有限公司 一种模块化建筑墙体加工系统及加工方法
CN118305882B (zh) * 2024-04-28 2024-10-18 常爱兵 一种建筑石膏板快速干燥煅烧机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE281650C (fr)
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

Also Published As

Publication number Publication date
CA2372752C (fr) 2006-12-05
DE19922165C2 (de) 2001-08-30
TW464753B (en) 2001-11-21
EP1180231A1 (fr) 2002-02-20
US6581302B1 (en) 2003-06-24
DK1180231T3 (da) 2004-11-01
PT1180231E (pt) 2004-09-30
DE50006827D1 (de) 2004-07-22
ES2220454T3 (es) 2004-12-16
CA2372752A1 (fr) 2000-11-23
WO2000070283A1 (fr) 2000-11-23
JP2002544468A (ja) 2002-12-24
DE19922165A1 (de) 2000-11-23
ATE269528T1 (de) 2004-07-15

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