EP0854338A1 - Sécheur pour matière en forme de bandes continues ou plaques - Google Patents

Sécheur pour matière en forme de bandes continues ou plaques Download PDF

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Publication number
EP0854338A1
EP0854338A1 EP97120593A EP97120593A EP0854338A1 EP 0854338 A1 EP0854338 A1 EP 0854338A1 EP 97120593 A EP97120593 A EP 97120593A EP 97120593 A EP97120593 A EP 97120593A EP 0854338 A1 EP0854338 A1 EP 0854338A1
Authority
EP
European Patent Office
Prior art keywords
dryer
nozzle
plate
conveyors
boxes
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
EP97120593A
Other languages
German (de)
English (en)
Other versions
EP0854338B1 (fr
Inventor
Friedrich Bahner
Klaus Hentschel
Karl-Friedrich Lang
Gerhard Lehn
Karl Maurer
Manfred Schmidt
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
Babcock BSH AG
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 Babcock BSH AG filed Critical Babcock BSH AG
Publication of EP0854338A1 publication Critical patent/EP0854338A1/fr
Application granted granted Critical
Publication of EP0854338B1 publication Critical patent/EP0854338B1/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
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • 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
    • 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
    • F26B21/028—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 air valves, movable baffles or nozzle arrangements

Definitions

  • the invention relates to a dryer for strip or plate-shaped material, in particular a multi-floor dryer for plasterboard, according to the Preamble of claim 1.
  • the print step already contains clear indications of the problem, uniform drying over the entire width of the conveyor to reach.
  • Various measures are provided for this.
  • the nozzle boxes are wedge-shaped, so that the cross section from the inflow side in Towards the other end. This is supposed to be inside the nozzle box constant pressure is maintained along the entire length.
  • the wedge-shaped nozzle boxes are arranged so that the distance of the Boundary wall facing the continuous plate from the inflow side increases towards the downstream side. This will make the outflow Air with increasing distance from the inflow side according to the increasing amount of increasing cross section provided.
  • the nozzles are short Pipe pieces formed, the length of which is greater, the further they are from the Inflow side are arranged away. This will make the distance between the nozzle mouth and continuous plate kept constant over the entire width.
  • a Another measure is to move the dryer into successive zones divide and the inlet openings of the nozzle boxes from zone to zone to be arranged alternately on opposite sides of the dryer.
  • the non-uniform drying is particularly pronounced with dryers observed that - like the dryer described in the cited publication - have a plurality of conveying devices arranged one above the other in tiers and therefore have a very compact structure.
  • the cross-sectional dimensions of the individual nozzle boxes are very small in relation to the Length. It can - seen in the longitudinal direction of the nozzle box - one give an uneven distribution of the speed at which the air jets flow out of the nozzle openings. Due to the outflow in the transverse direction The air jets become air with increasing distance from the inflow side distracted more and more from the vertical ..
  • the one between the nozzle boxes outflowing air causes an increase in the direction of the outflow side Cooling of the nozzle boxes, which leads to a cooling of the drying air and last Ultimately leads to a deterioration in the drying effect.
  • the invention has for its object a dryer with the in the preamble to equip the specified features with simple means that make it possible to maintain a uniform residual moisture over the entire width and any Correct deviations with little effort. This task is accomplished by the characterizing features of claim 1 solved.
  • the invention takes advantage of the fact that the heat transfer a function of an impinging air flow on a plate to be dried of the distance between the nozzle mouth and the plate.
  • the dryer consists e.g. B. from thirty or more modularly lined up Compartments.
  • a compartment measures 2.0 m to 2.5 m in the direction of conveyance and is 5.0 m up to 6.0 m wide. It has a ceiling 1 and side walls 2, 3.
  • a partition 5 and a grid-like support frame 6 a core area 7 separated from a recirculation duct.
  • This consists of a horizontal channel 8 over the core area 7, one lateral vertical distribution channel 9 and one on the opposite Side essentially mirror-symmetrically arranged collecting duct 10.
  • Die Width of the core area 7 is about 50 to 65% of the total width, the height about 60 to 80% of the total height.
  • In the core area 7 are in several Levels, in practice at about eight to twelve levels, which are equidistant from about 250 to 350 mm above one another, rollers 11 arranged, the one side on the partition 5, on the other side in the Support frame 6 are stored. At the end that is adjacent to the support frame 6 each roller 11 has a pin 12 on which a sprocket 13 is seated. About not chains shown, all rollers 11 can be driven at the same speed.
  • the horizontal channel 8 is formed by a partition plate shaped like a stair step 20 divided into a suction chamber 21 and a pressure chamber 22.
  • the suction space 21 is in open connection with the collecting duct 8, the pressure chamber 22 with the Distribution channel 9.
  • Center in the horizontal channel 8, in the through the Baffle 20 separated pressure space 22 is a free-running (i.e. houseless) one-sided suction radial impeller 23, whose Drive shaft penetrates the ceiling 1 and with one sitting on the ceiling 1 Drive 24 is coupled.
  • the suction funnel 25 of the radial impeller 23 corresponds to an opening in a horizontal region of the separating plate 20, so that the radial impeller 23 is connected on the suction side to the suction chamber 21.
  • the holding plate 19 is provided with a vertical slot 26. Divided by two Screws 27 which reach through the elongated hole 26 are the holding plate 19 with one leg of a U-shaped fastening element 28 connected. The other leg is on a horizontal support 29 of the Support frame 6 attached.
  • the slot 26 allows one in the vertical direction Shift, as symbolized by a double arrow in Figure 5.
  • the nozzle openings 15 3 are designed as circular holes
  • Distance between the nozzle openings 15 and the continuous plate 16 approximately equal to 4 to 5 times the hole diameter. It can be opened on the outflow side reduce the hole diameter by about 2.5 to 4 times.
  • the maximum displacement is approximately 3.0 cm.
  • the nozzle boxes 14a, 14b are approximately 3.0 m long the displacement required dimension elastically deformable.
  • the nozzle boxes 14a, 14b are adjusted during assembly and Commissioning the dryer. When all the nozzle boxes 14a, 14b are assembled that the nozzle openings 15 over the entire width of the same distance the continuous plates, it is usually found that the plates are on the upstream side are drier than on the downstream side.
  • the upper nozzle boxes 14a in FIG. 4 are therefore included a slight slope to the left, the lower nozzle boxes 14b with a slight Slope mounted to the right.
  • the inclination is at least in some compartments, preferably in the inlet-side half of the Drying section. Then shows during commissioning that the residual moisture the plates leaving the dryer are larger or smaller on one side than on the other side, depending on the size of the found Non-uniformity made a correction. This is done by more nozzle boxes a little slanted or with the already slanted Nozzle boxes the incline increases, decreases or reverses, depending on the size of the observed non-uniformity is sufficient, only for a few Nozzle boxes, e.g. B. in the nozzle boxes of a single compartment, the inclination to correct. After performing the correction, the nozzle boxes are therefore in usually locked in different positions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
EP97120593A 1997-01-17 1997-11-25 Sécheur pour matière en forme de bandes continues ou plaques Expired - Lifetime EP0854338B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19701426 1997-01-17
DE29700769U DE29700769U1 (de) 1997-01-17 1997-01-17 Trockner für Gipskartonplatten
DE19701426A DE19701426C2 (de) 1997-01-17 1997-01-17 Trockner für band- oder plattenförmiges Gut

Publications (2)

Publication Number Publication Date
EP0854338A1 true EP0854338A1 (fr) 1998-07-22
EP0854338B1 EP0854338B1 (fr) 2002-11-13

Family

ID=26033162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120593A Expired - Lifetime EP0854338B1 (fr) 1997-01-17 1997-11-25 Sécheur pour matière en forme de bandes continues ou plaques

Country Status (6)

Country Link
US (1) US5970626A (fr)
EP (1) EP0854338B1 (fr)
AT (1) ATE227830T1 (fr)
DE (3) DE19701426C2 (fr)
DK (1) DK0854338T3 (fr)
ES (1) ES2191146T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070283A1 (fr) * 1999-05-12 2000-11-23 Babcock-Bsh Gmbh Sechoir pour materiau en bande ou en plaque
CN102706116A (zh) * 2012-01-15 2012-10-03 刘芝英 一种印刷电路板干燥装置
WO2019174784A1 (fr) * 2018-03-15 2019-09-19 Grenzebach Bsh Gmbh Boîte à buses pour un dispositif de séchage servant à sécher des matériaux en forme de panneau
CN111868464A (zh) * 2018-03-15 2020-10-30 格林策巴赫Bsh有限责任公司 用于干燥板的方法和装置
WO2022017646A1 (fr) * 2020-07-23 2022-01-27 Grenzebach Bsh Gmbh Séchoir pour sécher un produit sous forme de plaque

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623471C1 (de) * 1996-06-12 1998-02-05 Brueckner Maschbau Belüftungsdüse
DE19807511C2 (de) * 1998-02-21 2003-04-10 Monforts Textilmaschinen Gmbh Trocken- und/oder Fixiervorrichtung
DE19901801C2 (de) * 1999-01-19 2003-12-11 Baldwin Germany Gmbh Vorrichtung zum Konditionieren einer Papierbahn
DE102005017187B4 (de) * 2005-04-13 2007-06-21 Lindauer Dornier Gmbh Durchlauftrockner in Mehretagenbauweise, insbesondere für plattenförmige Produkte
US8061055B2 (en) * 2007-05-07 2011-11-22 Megtec Systems, Inc. Step air foil web stabilizer
US7941936B2 (en) * 2007-05-24 2011-05-17 Ingenious Designs Llc Garment drying apparatus
EP2741037A1 (fr) * 2012-12-05 2014-06-11 Saint-Gobain Placo SAS Système de séchage
CN105066635A (zh) * 2015-07-31 2015-11-18 无锡乐华自动化科技有限公司 一种热辊烘茧机
CN106871629A (zh) * 2017-03-31 2017-06-20 湖南夏巍齐食用菌开发有限公司 一种热泵烘干箱用导流装置
CN106871599A (zh) * 2017-03-31 2017-06-20 湖南夏巍齐食用菌开发有限公司 一种热泵烘干装置
CN110000910B (zh) * 2019-04-02 2020-10-09 北新集团建材股份有限公司 一种纸面石膏板干燥设备配风闸板调整装置
IT202000003263A1 (it) * 2020-02-18 2021-08-18 System Ceramics S P A Essiccatoio per piastrelle o lastre ceramiche
CN113834308B (zh) * 2021-10-25 2022-09-09 杭州利鹏科技有限公司 产品库存管理用干燥方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460544A1 (de) * 1963-07-20 1969-03-27 Dornbusch & Co Verfahren und Vorrichtung zur Waermebehandlung von empfindlichen Warenbahnen
DE1946696A1 (de) 1968-09-20 1970-04-30 Moore Dry Kiln Company Verfahren und Einrichtung fuer beschleunigte Trocknung von Gipsplatten
US3964656A (en) * 1975-04-14 1976-06-22 Tec Systems, Inc. Air bar assembly for web handling apparatus
US4428128A (en) * 1982-02-04 1984-01-31 The Coe Manufacturing Company Jet tube dryer retainer system
US4782600A (en) * 1987-02-27 1988-11-08 Fred Coulson Jet tube assembly for a jet tube sheet dryer
DE29701755U1 (de) * 1997-02-01 1997-04-17 Babcock-BSH GmbH, 36251 Bad Hersfeld Vorrichtung zum Wärmebehandeln von durchlaufenden platten- oder bandförmigen Gütern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405870B2 (de) * 1974-02-07 1977-03-31 Wagner, Max, 8908 Krumbach Trockner fuer keramische formlinge
DE3247459C2 (de) * 1982-12-22 1985-11-21 Lindauer Dornier Gmbh, 8990 Lindau Vorrichtung zum Behandeln von bahnförmigen Materialien mit einem gasförmigen Medium
DE3505256A1 (de) * 1985-02-15 1986-08-28 Otto Junker Gmbh, 5107 Simmerath Vorrichtung zum beruehrungsfreien fuehren von warenbahnen, insbesondere metallbaendern, mittels eines gasmediums
US4779357A (en) * 1986-08-01 1988-10-25 Lindauer Dornier Gesellschaft Mbh Apparatus for blowing a treatment medium onto a longitudinally moving web
US4787547A (en) * 1987-06-11 1988-11-29 Advance Systems, Inc. Mounting means for air bars
DE4306584C1 (de) * 1993-03-03 1994-07-07 Langbein & Engelbrecht Vorrichtung zur schwebenden Führung einer Warenbahn
DE4326877C1 (de) * 1993-08-11 1994-10-13 Babcock Bsh Ag Verfahren zum Trocknen von Platten und Trockner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460544A1 (de) * 1963-07-20 1969-03-27 Dornbusch & Co Verfahren und Vorrichtung zur Waermebehandlung von empfindlichen Warenbahnen
DE1946696A1 (de) 1968-09-20 1970-04-30 Moore Dry Kiln Company Verfahren und Einrichtung fuer beschleunigte Trocknung von Gipsplatten
US3964656A (en) * 1975-04-14 1976-06-22 Tec Systems, Inc. Air bar assembly for web handling apparatus
US4428128A (en) * 1982-02-04 1984-01-31 The Coe Manufacturing Company Jet tube dryer retainer system
US4782600A (en) * 1987-02-27 1988-11-08 Fred Coulson Jet tube assembly for a jet tube sheet dryer
DE29701755U1 (de) * 1997-02-01 1997-04-17 Babcock-BSH GmbH, 36251 Bad Hersfeld Vorrichtung zum Wärmebehandeln von durchlaufenden platten- oder bandförmigen Gütern

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070283A1 (fr) * 1999-05-12 2000-11-23 Babcock-Bsh Gmbh Sechoir pour materiau en bande ou en plaque
US6581302B1 (en) 1999-05-12 2003-06-24 Rudi Philipp Dryer for goods in strip or panel form
CN102706116A (zh) * 2012-01-15 2012-10-03 刘芝英 一种印刷电路板干燥装置
WO2019174784A1 (fr) * 2018-03-15 2019-09-19 Grenzebach Bsh Gmbh Boîte à buses pour un dispositif de séchage servant à sécher des matériaux en forme de panneau
CN111868464A (zh) * 2018-03-15 2020-10-30 格林策巴赫Bsh有限责任公司 用于干燥板的方法和装置
CN111886467A (zh) * 2018-03-15 2020-11-03 格林策巴赫Bsh有限责任公司 用于干燥板状材料的干燥装置的喷嘴盒
WO2022017646A1 (fr) * 2020-07-23 2022-01-27 Grenzebach Bsh Gmbh Séchoir pour sécher un produit sous forme de plaque

Also Published As

Publication number Publication date
DE29700769U1 (de) 1997-03-13
DE59708712D1 (de) 2002-12-19
DK0854338T3 (da) 2003-03-10
EP0854338B1 (fr) 2002-11-13
ATE227830T1 (de) 2002-11-15
US5970626A (en) 1999-10-26
ES2191146T3 (es) 2003-09-01
DE19701426A1 (de) 1998-07-23
DE19701426C2 (de) 2002-07-11

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