EP1390679A1 - Secheur - Google Patents

Secheur

Info

Publication number
EP1390679A1
EP1390679A1 EP02742944A EP02742944A EP1390679A1 EP 1390679 A1 EP1390679 A1 EP 1390679A1 EP 02742944 A EP02742944 A EP 02742944A EP 02742944 A EP02742944 A EP 02742944A EP 1390679 A1 EP1390679 A1 EP 1390679A1
Authority
EP
European Patent Office
Prior art keywords
dryer
air
tunnel
space
heating
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
EP02742944A
Other languages
German (de)
English (en)
Other versions
EP1390679B1 (fr
Inventor
Harald Sonner
Achim Vogt
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.)
Eisenmann Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
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 Eisenmann Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Publication of EP1390679A1 publication Critical patent/EP1390679A1/fr
Application granted granted Critical
Publication of EP1390679B1 publication Critical patent/EP1390679B1/fr
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
    • F26B21/003—Supply-air or gas filters
    • 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
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • 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
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/12—Vehicle bodies, e.g. after being painted

Definitions

  • the invention relates to a dryer for objects, in particular for vehicle bodies
  • a dryer tunnel arranged inside the housing, in the side walls of which a plurality of inlets are arranged, via which hot circulating air can be directed against the objects;
  • Dryers especially those designed for use in Painting systems for automobiles are subject to high requirements in two respects: space and energy requirements should be as small as possible.
  • a dryer is recognized as state of the art, as is still frequently found in practice today. This is done with the help of a heating unit located outside the actual dryer housing, e.g. a burner, generates hot primary gas and brings this via a heat exchanger, which is also outside the insulated dryer housing, into heat exchange with the circulating air, which is passed through the dryer tunnel and exerts the actual drying effect.
  • a heating unit located outside the actual dryer housing, e.g. a burner, generates hot primary gas and brings this via a heat exchanger, which is also outside the insulated dryer housing, into heat exchange with the circulating air, which is passed through the dryer tunnel and exerts the actual drying effect.
  • This design brings with it the double wax part that the components arranged outside the dryer housing, in particular the various heat exchangers, take up space that should be available for other purposes if possible, and that pipelines are also required with which the circulating air from the
  • the dryer which is the actual subject of EP 0 706 021 A1, tries to overcome these problems by dispensing with heat exchangers arranged outside the dryer housing. Instead, the hot primary gas flow generated by a central heating unit is led through a double-walled horizontal pipe located inside the dryer housing. Depending on the position of the regulating flaps provided in sections, the hot primary gas is passed through the respective dryer section within the inner tube and is therefore not available as a heat source for the circulated air. or through the space between the inner and the outer tube, which serves as a heat exchanger surface for the air circulated in the section in question. This design is complex and unfriendly to cleaning and maintenance.
  • the object of the present invention is to design a dryer of the type mentioned in the introduction in such a way that it is inexpensive to manufacture and easy to maintain.
  • the hot primary gas-carrying pipe system is designed as a heating register, which comprises a plurality of pipe sections which communicate and flow around one another and is arranged in a substantially vertical orientation in the air space which is thereby designed as a heating space and through which the circulating air flows from bottom to top.
  • the pipe system which carries the hot primary gas is not guided over the full length of the dryer tunnel and is not flowed through parallel to its longitudinal direction. Rather, the pipe system is designed as a heating register, which is arranged in a vertical orientation in the space through which the circulating air flows from bottom to top on the way to the blower.
  • the heating register arranged in the heating room promotes the flow of the circulating air from bottom to top by heat convection.
  • Each heating register supplies a section of the overall dryer, in which the temperature prevailing in the interior of the dryer tunnel should not be changed, so that complicated flap and control mechanisms, such as those found in a pipeline system running parallel to the dryer tunnel according to EP 0 706 021 AI are required are not required.
  • the division into individual sections having different temperatures takes place in that the overall dryer is divided into a plurality of modules, each of which identifies the above-described design according to the invention with a vertically oriented heating gas through which the primary gas flows.
  • the heating register according to the invention is easily accessible, can be easily cleaned and easily replaced if necessary. The change can even be made while the entire system is running. In this case, the upstream and downstream modules can temporarily compensate for the failed heating output by increasing their own output, so that emergency operation is possible.
  • the heating registers used according to the invention do not hinder access to the rooms through which the air filters present in the dryer are maintained.
  • the dryer according to the invention is retained that the space outside the dryer housing is not occupied by heat exchangers and no insulated pipelines leading to these are required, which have to be led out of the dryer housing.
  • the dryer according to the invention is much more cost-effective to manufacture than the one described in EP 0 706 021 AI and also easier to control and maintain.
  • the susceptibility to faults is lower.
  • the boiler room expediently only extends over part of the length of the dryer tunnel and communicates with intake ducts, which in turn cover the entire length of the dryer tunnel. In this way, the dimensions of the heating register in the longitudinal direction of the dryer tunnel can be kept comparatively small.
  • the circulating air is first "collected" via the intake ducts before it is then bundled up through the heating room and passed past the heating register.
  • an embodiment of the dryer is possible in which, seen in the longitudinal direction of the dryer tunnel, at least one air guiding room is provided in addition to the heating room, which is connected via passage openings to the air distribution space adjacent to the side wall of the dryer tunnel.
  • the boiler room and the air control room are located at approximately the same lateral distance from the center of the dryer tunnel so that there is no additional space required in the lateral direction.
  • Filters in which the circulating air is cleaned again of foreign substances before entering the interior of the dryer tunnel are expediently fitted in the through openings of the air-guiding space.
  • the embodiment of the invention in which the upper end of the heating chamber communicates with a suction space which is arranged directly above the dryer tunnel and into which the suction opening of the fan opens is particularly advantageous. With this guidance of the intake space, through which freshly heated circulating air flows, the top of the dryer tunnel is also kept warm, so that there is a uniform temperature distribution in the interior thereof.
  • a pressure space connected to the pressure side of the blower can run, the side communicates with the airspace.
  • the heating register is arranged hanging in the boiler room.
  • Figure 2 shows a section through the dryer module of Figure 1 along the line II-II there;
  • Figure 3 shows a section through the dryer module of Figure 1 along the line III-III there;
  • Figure 4 shows a horizontal section through the dryer module of Figure 1 along the line IV-IV there;
  • FIG. 5 shows a section through the dryer module of Figure 1 along the line V-V there;
  • FIG. 6 shows a section through the dryer module of Figure 1 along the line VI-VI there;
  • Figure 7 shows a section through the dryer module of Figure 1 along the line VII -VII there;
  • FIG. 8 shows the side view of a heating register as used in the dryer module according to FIGS. 1 to 7;
  • Figure 9 is an enlarged section through the uppermost area of the heating unit of Figure 8, in which the gas flow there and a high-speed burner can be seen.
  • each dryer module under different conditions, e.g. B. can be operated at a different temperature.
  • the dryer module includes an insulated dryer housing
  • the vehicle bodies 1 are conveyed through the dryer module from the inlet opening 3 to the outlet opening 4 with the aid of a conveyor system which is only schematically indicated in FIGS. 2 and 3 and is provided with the reference number 5 there.
  • the vehicle bodies 1 are guided through a dryer tunnel 6 with a portal-shaped cross section, as can also best be seen in FIGS. 2 and 3.
  • the air in the dryer tunnel 6 can be extracted to the outside through side openings 7 in the lowest area of the side walls 8 of the dryer tunnel 6, which is below the vehicle bodies 1.
  • the openings 7 can be opened by flaps 9 to different degrees, so that the air flow can be adjusted.
  • the air passing through the openings 7 reaches two suction channels 10, which run parallel to the conveying direction and thus to the longitudinal direction of the dryer tunnel 6 in the vicinity of the housing side walls 11.
  • the suction channels 10 each lead the air to a vertical air space 13, which is located approximately in the middle of the longitudinal extent of the dryer module and is called the "heating space" below for reasons that will become clearer later and leads up to the housing top 12.
  • the air arriving at the upper end of the heating rooms 13 is guided somewhat downward via deflection rooms 14 into an intake chamber 15 via inlet openings 16.
  • the suction space 15 lies directly above the dryer tunnel 6. It leads from the inlet openings 16 parallel to the conveying direction essentially over the entire length of the dryer tunnel 6 (cf. FIG. 1).
  • the outlet openings of the blower 18 lead to a pressure chamber 19 which extends essentially horizontally between the upper side of the suction chamber 15 and the inner surface of the housing top 12 and which in turn communicates with four air guiding spaces 20 which, seen in the direction of conveyance, are parallel to the housing side walls on both sides of the heating chambers 13 11 run down.
  • the air guiding spaces 20 are accessible via doors 21 (see FIG. 3).
  • the walls of the air guiding spaces 20 pointing towards the center of the housing 2 have through openings 22 in which filters 23 are arranged.
  • the air enters from the side in two Beerverteilsammlung 24 a adjacent the dryer tunnel 6 to the 'side walls 8 and extending substantially over extend the entire length of the dryer tunnel 6, ie also past the heating rooms 13, as can be seen in particular in FIG. 6.
  • a plurality of nozzles 25 are attached, via which the air distribution spaces 24 communicate with the interior of the dryer tunnel 6.
  • a high-speed burner 29 is introduced into the connecting piece 27 from above, as is known from other areas of technology, but has not yet been used in dryers of the type of interest here.
  • This high-speed burner 29 has a head 30 closing the connecting piece 27, in which a connection 31 for the heating gas to be burned, a connection 32 for the combustion air and an outlet 33 for the combustion gases are provided.
  • the heating gas and the combustion air mix in a mixing chamber 34, which extends in pieces into the connecting piece 27 and contains an ignition electrode (not visible).
  • the connection for the ignition electrode has the reference symbol 35 in FIG. 9.
  • the dryer module described above works as follows:
  • This heated air enters the intake space 15 from both sides via the deflection spaces 14, flows in the central area (based on the conveying direction) in both directions to the blowers 18.
  • the air drawn in by the blowers 18 is fed into the pressure space 19 emitted and flows in this in the direction of the two housing side walls 11 to the four air guiding spaces 20.
  • the air guiding spaces 20 lead the heated air to the passage openings 22, from which it flows into the two air distribution spaces 24. When passing through the window 22, the air is cleaned by the filter 23.
  • the air control rooms 24 builds together a substantially constant overpressure between the incoming air and the air exiting via the nozzles 25.
  • the streams of hot air generated by the nozzles 25 are directed to different areas of the vehicle body 1, which are moved through the dryer module with the aid of the conveyor system 5 during the drying process.
  • the vehicle body 1 is dried to a certain degree. After passing through all the modules belonging to the dryer, the drying of the vehicle bodies 1 has been completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne un sécheur pour divers articles, en particulier pour carrosseries de véhicules (1), comprenant, de façon connue, à l'intérieur d'un bâti isolé (2), un tunnel de séchage (6) sur les parois latérales duquel (8) sont disposés une pluralité de gicleurs (25). Ces gicleurs sont utilisés pour diriger de l'air pulsé chaud contre les articles (1). L'air pulsé est aspiré du tunnel de séchage (6) par des ouvertures d'aspiration (7) au-dessous des articles (1) et est envoyé vers deux compartiments à air (13) agencés sur les côtés du tunnel de séchage (6). L'air pulsé est aspiré vers le haut, via lesdits compartiments, au moyen de soufflantes (18). Un registre de chaleur (26) prévu dans chacun des deux compartiments (13) est aligné selon une direction sensiblement verticale, lesdits registres comprenant une pluralité de sections tubulaires communiquant entre elles, qui sont traversées par de l'air primaire chaud et sont entourées par de l'air pulsé. L'air pulsé ainsi chauffé est envoyé dans des chambres de distribution d'air (24) qui sont agencées côté pression des soufflantes (18), et sont adjacentes aux parois latérales (8) du tunnel de séchage (6) et communiquent, via les gicleurs (25), avec l'espace intérieur du tunnel de séchage (6).
EP02742944A 2001-05-26 2002-05-06 Secheur Expired - Lifetime EP1390679B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10125771A DE10125771C1 (de) 2001-05-26 2001-05-26 Trockner
DE10125771 2001-05-26
PCT/EP2002/004936 WO2002097346A1 (fr) 2001-05-26 2002-05-06 Secheur

Publications (2)

Publication Number Publication Date
EP1390679A1 true EP1390679A1 (fr) 2004-02-25
EP1390679B1 EP1390679B1 (fr) 2007-12-26

Family

ID=7686286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02742944A Expired - Lifetime EP1390679B1 (fr) 2001-05-26 2002-05-06 Secheur

Country Status (7)

Country Link
US (1) US6935052B2 (fr)
EP (1) EP1390679B1 (fr)
CN (1) CN1233975C (fr)
DE (2) DE10125771C1 (fr)
ES (1) ES2296953T3 (fr)
RU (1) RU2292522C2 (fr)
WO (1) WO2002097346A1 (fr)

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DE102004001628B4 (de) 2004-01-12 2006-08-10 Eisenmann Maschinenbau Gmbh & Co. Kg Vorrichtung zur Behandlung von Gegenständen mit mindestens einem temperierten, gerichteten Luftstrahl
DE102005061973B4 (de) * 2005-12-23 2013-12-19 Eisenmann Ag Trockner
US9513057B2 (en) * 2006-06-16 2016-12-06 Durr Systems, Inc. Radiant convection oven
DE102008012792B4 (de) * 2008-03-05 2013-01-03 Eisenmann Ag Trockner für Lackieranlage
JP5280170B2 (ja) * 2008-12-03 2013-09-04 本田技研工業株式会社 乾燥炉及び乾燥炉における乾燥方法
DE102008063477A1 (de) * 2008-12-17 2010-07-01 Eisenmann Anlagenbau Gmbh & Co. Kg Anlage zur Behandlung, insbesondere zum Trocknen, von Gegenständen, insbesondere von Fahrzeugkarosserien
EP2330369A1 (fr) * 2009-12-07 2011-06-08 Honda Motor Co., Ltd. Échange thermique et récupération de chaleur des déchets
DE102011011261A1 (de) * 2011-02-15 2012-08-16 Eisenmann Ag Vorrichtung zum Temperieren von Fahrzeugkarosserien
DE102011011898B4 (de) * 2011-02-21 2017-10-19 Eisenmann Se Vorrichtung zum Temperieren von Fahrzeugkarosserien
US10859315B2 (en) * 2011-12-29 2020-12-08 Lax Engineered Solutions Llc System with a ceiling fan and return plenum for heating, drying or curing an object
DE102012007769A1 (de) * 2012-04-20 2013-10-24 Eisenmann Ag Anlage zum Behandeln von Gegenständen
DE102013000754A1 (de) * 2013-01-17 2014-07-31 Eisenmann Ag Vorrichtung zum Temperieren von Gegenständen
PL2924380T3 (pl) 2014-03-28 2017-06-30 Sabine Schindler Palnik dodatkowy
JP6287643B2 (ja) * 2014-07-03 2018-03-07 トヨタ車体株式会社 バッチ式の乾燥炉
DE102014015705A1 (de) * 2014-10-22 2016-04-28 Wenker Gmbh & Co. Kg Trockner für technische Gegenstände, insbesondere für lackierte Kraftfahrzeugkarosserien
DE102015214706A1 (de) 2015-07-31 2017-02-02 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015214711A1 (de) 2015-07-31 2017-02-02 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015224916A1 (de) * 2015-12-10 2017-06-14 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
CN105972978B (zh) * 2016-05-25 2018-07-31 万金芬 一种多头式中药茯苓烘烤设备专用送风装置
DE102016125060B4 (de) * 2016-12-21 2023-02-16 Eisenmann Gmbh Vorrichtung zum Temperieren von Gegenständen
CN107741127A (zh) * 2017-11-07 2018-02-27 肖叶 一种用于铅酸蓄电池极板生产用表面干燥设备
DE102017126978A1 (de) * 2017-11-16 2019-05-16 Eisenmann Se Vorrichtung und Verfahren zum Temperieren von Werkstücken
US11559980B2 (en) 2018-02-27 2023-01-24 Bobst Bielefeld Gmbh Dryer
RU2710111C1 (ru) * 2019-02-20 2019-12-24 Евгений Борисович Миронов Устройство для сушки техники
DE102020201705A1 (de) * 2020-02-11 2021-08-12 Dürr Systems Ag Temperieranlage
CN111692869B (zh) * 2020-06-10 2022-03-01 李永红 一种建筑材料干燥装置
CN113623944B (zh) * 2021-07-09 2023-04-28 河北凯诺制药有限公司 一种医用中药药材加工烘干装置
CN114178250A (zh) * 2021-11-09 2022-03-15 珠海格力电器股份有限公司 一种烘干模块及包含其的清洗设备
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Also Published As

Publication number Publication date
US20040237339A1 (en) 2004-12-02
CN1464965A (zh) 2003-12-31
RU2003136084A (ru) 2005-05-20
EP1390679B1 (fr) 2007-12-26
WO2002097346A1 (fr) 2002-12-05
ES2296953T3 (es) 2008-05-01
DE50211426D1 (de) 2008-02-07
DE10125771C1 (de) 2002-11-21
RU2292522C2 (ru) 2007-01-27
US6935052B2 (en) 2005-08-30
CN1233975C (zh) 2005-12-28

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