EP3329198A1 - Installation de traitement et procédé pour traiter des pièces - Google Patents

Installation de traitement et procédé pour traiter des pièces

Info

Publication number
EP3329198A1
EP3329198A1 EP16745462.8A EP16745462A EP3329198A1 EP 3329198 A1 EP3329198 A1 EP 3329198A1 EP 16745462 A EP16745462 A EP 16745462A EP 3329198 A1 EP3329198 A1 EP 3329198A1
Authority
EP
European Patent Office
Prior art keywords
section
treatment
workpieces
treatment plant
gas
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
EP16745462.8A
Other languages
German (de)
English (en)
Other versions
EP3329198B1 (fr
Inventor
Oliver Iglauer
Kevin Woll
Dietmar Wieland
Joachim Wickenhäuser
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.)
Duerr Systems AG
Original Assignee
Duerr Systems 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=56557694&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3329198(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Priority to EP22163218.5A priority Critical patent/EP4036506A3/fr
Publication of EP3329198A1 publication Critical patent/EP3329198A1/fr
Application granted granted Critical
Publication of EP3329198B1 publication Critical patent/EP3329198B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F26B15/14—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 the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts
    • 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
    • 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
    • F26B15/16—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 the objects or batches of materials being carried by wheeled trucks
    • 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
    • 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
    • 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
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • 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
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/001—Heating arrangements using waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/003—Handling, e.g. loading or unloading arrangements for articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
    • 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 present invention relates to a treatment plant and a process for treating workpieces.
  • a treatment plant is used to dry coated vehicle bodies.
  • the method for treating workpieces is thus in particular a method for
  • Treatment plants and treatment processes are known in particular from EP 1 998 129 Bl, US 2006/0068094 A1, EP 1 302 737 A2 and WO 02/073109 AI.
  • the present invention has for its object to provide a treatment plant, which is simple in construction and allows optimized workpiece treatment.
  • a treatment plant for treating workpieces for example for drying coated vehicle bodies
  • the treatment plant comprises a treatment room and a conveyor, by means of which the workpieces supplied to the treatment room, discharged from the treatment room and / or in a conveying direction the treatment room can be conveyed through.
  • the workpieces can be received by the conveying device and at least partially conveyed through the treatment space such that a longitudinal direction of the workpieces at least approximately horizontally and / or transversely, in particular substantially perpendicular, to the conveying direction
  • a vertical axis of the workpiece, which is aligned at least approximately vertically in the finished state of the workpiece, is preferably at least approximately vertical or at least during delivery of the workpiece through the treatment space
  • Conveying device can be received and at least partially conveyed through the treatment chamber such that a longitudinal direction of the workpieces is at least approximately aligned horizontally and / or forms an angle of at least approximately 90 ° with the conveying direction.
  • the workpieces for conveying the same in an at least approximately horizontal plane by at least one
  • the terms "at least approximately” and “approximately” are preferably deviations of at most +/- 20%, for example at most +/- 10%, in particular at most +/- 5%, from the stated value to understand.
  • the treatment plant comprises at least one inlet opening for supplying gas to the treatment space and at least one outlet opening for removing gas from the treatment space, which are preferably arranged on opposite sides of the workpiece.
  • At least one inlet opening and / or at least one outlet opening may, for example, be arranged and / or formed in a wall which delimits the treatment space.
  • At least one inlet opening and / or at least one outlet opening is interrupted by an end opening. is formed area of an opening into the treatment chamber flow guide.
  • a flow guide may comprise, for example, one or more flow guide elements or flow guide elements and / or a guide channel.
  • an area of the flow guide forming the at least one inlet opening and / or the at least one outlet opening serves to discharge at least a majority of the supplied gas stream into the treatment space and / or to lead out at least a majority of the gas stream to be led out of the treatment room, in particular regardless of whether the gas stream before its delivery to the treatment room and / or after its discharge from the treatment room is still partially guided within an inner contour of the housing surrounding the treatment chamber and / or within the treatment room or not.
  • the at least one inlet opening on the one hand and the at least one outlet opening on the other hand are preferably arranged on mutually different sides of a vertical workpiece transverse center plane.
  • a vertical workpiece transverse center plane is, in particular, a plane which is aligned perpendicular to a workpiece longitudinal direction and extends through a center point and / or center of gravity of the workpiece centered with respect to a workpiece longitudinal direction.
  • inlet openings on the one hand and all outlet openings on the other hand are arranged on mutually different sides of a vertical workpiece transverse center plane.
  • at least one inlet opening and at least one outlet opening are arranged at a distance from one another which is at least approximately 60%, in particular at least approximately 80%, for example at least approximately 100%, of an overall length of the length taken along a workpiece longitudinal direction Workpiece is. It can be advantageous if the at least one inlet opening and the at least one outlet opening are arranged offset with respect to the conveying direction.
  • the at least one inlet opening and the at least one outlet opening are preferably associated with a holding position of a workpiece in which the workpiece at least temporarily dwells. Due to the offset of the at least one inlet opening and the at least one outlet opening with respect to the conveying direction, a gas flow with a vectorial component along the conveying direction can preferably be achieved. In particular, it can be provided that a workpiece is flowed through in the holding position along the conveying direction with a gas stream.
  • the treatment facility comprises at least one inlet opening for supplying gas to the treatment space and at least one outlet opening for removing gas from the treatment space, wherein the at least one inlet opening on the one hand and the at least one outlet opening on the other hand with respect to a vertical longitudinal center plane of the treatment space are arranged on different sides of the treatment room.
  • the vertical longitudinal center plane is preferably a plane arranged centrally with respect to a maximum or average horizontal transverse extent of the treatment space.
  • the vertical longitudinal center plane extends in particular parallel to the conveying direction.
  • the transverse extension is in particular an extension in a direction perpendicular to the conveying direction.
  • the treatment plant has one or more inlet openings for supplying gas to the treatment space and / or one or more a plurality of outlet openings for removing gas from the treatment room comprises.
  • the one or more, in particular all, inlet openings are arranged in one of two by a vertical, horizontal or obliquely extending thereto longitudinal central plane divided half spaces of the treatment chamber.
  • the one or more, in particular all, outlet openings are arranged in one of the two half-spaces of the treatment space divided by the vertical, horizontal or obliquely extending longitudinal center plane.
  • the one or more, in particular all, inlet openings in a first half-space and the one or more, in particular all, outlet openings are arranged in a further, in particular second, of the two half-spaces.
  • inlet openings and / or outlet openings in preferably only one of two half-spaces of the treatment space, in particular a one-sided gas supply and / or a one-sided gas discharge can be realized.
  • the treatment facility preferably comprises a plurality of inlet openings for supplying gas to the treatment space and a plurality of outlet openings for removing gas from the treatment space, wherein the inlet openings on the one hand and the outlet openings on the other hand are preferably at least approximately opposite each other with respect to a diagonal plane, the diagonal plane being parallel to the conveying direction and extends substantially diagonally through the treatment space.
  • the diagonal plane with the direction of gravity includes an angle of at least about 40 °, for example about 45 °, and / or at most about 50 °.
  • Treatment plant comprises a plurality of inlet openings for supplying gas to the treatment room and a plurality of outlet openings for discharging gas from the treatment space, wherein the inlet openings and the outlet openings are arranged so that the treatment space transversely, in particular substantially perpendicular, to the conveying direction and / or at least approximately diagonally can be flowed through with gas.
  • the treatment plant preferably comprises at least one circulating air module.
  • a circulating air module in particular each circulating air module, preferably comprises the following:
  • a gas supply for supplying gas to the treatment room
  • blower device for driving a recirculating gas flow
  • separation device for separating impurities from the Umluftgasstrom
  • a distributor device for distributing the recirculating-gas flow to be supplied to the treatment space to a plurality of inlet ports of the gas supply;
  • the treatment plant comprises a plurality of recirculating air modules successive along the conveying direction.
  • Each circulating air module preferably forms a, in particular complete, section of the treatment plant.
  • a circulating air module comprises a circulating air unit, which can be docked to a housing surrounding the treatment space.
  • a circulating air module comprises in particular a portion of the housing surrounding the treatment space and a circulating air unit.
  • circulating air is not necessarily set to the gas "air”. Rather, the term “circulating air” preferably refers to a circulated gas, which is in particular repeatedly processed and / or reused.
  • connection channels are provided between the circulating air unit and the housing surrounding the treatment space.
  • the circulating air unit and the housing, which surrounds the treatment space preferably have a common wall.
  • a gas flow is preferably feasible through an opening or recess in the common wall of the circulating air unit in the treatment room.
  • the gas supply or gas discharge may be part of the Umbuchaggregats or the housing, which surrounds the treatment chamber. Depending on the opening in the common wall for supplying gas to the gas supply or for supplying gas to the treatment room is suitable.
  • the treatment plant preferably comprises at least one rinsing module.
  • several rinsing modules of the treatment system can be provided.
  • a rinsing module in particular each rinsing module, preferably comprises the following:
  • a gas supply for supplying gas to the treatment room
  • blower device for driving a purge gas flow
  • separation device for separating impurities from the purge gas stream
  • a distribution device for distributing the purge gas flow to be supplied to the treatment space to a plurality of inlet ports of the gas supply;
  • a collecting device by means of which the purge gas stream discharged through a plurality of outlet openings of the gas discharge from the treatment space can be brought together.
  • the treatment plant comprises a plurality of rinsing modules successive along the conveying direction.
  • Each rinsing module preferably forms a, in particular complete, section of the treatment plant.
  • a flushing module comprises a flushing gas unit, which can be docked to a housing surrounding the treatment space.
  • a flushing module comprises in particular a section of the housing surrounding the treatment space and a purge gas unit.
  • a purge gas unit Preferably, no connection channels are provided between the purge gas unit and the housing surrounding the treatment space. Rather, the purge gas unit and the housing, which surrounds the treatment space, preferably a common wall.
  • a gas stream is preferably feasible through an opening or recess in the common wall of the purge gas in the treatment room.
  • the gas supply or gas discharge may be part of the purge gas unit or the housing which surrounds the treatment chamber. Depending on the opening in the common wall for supplying gas to the gas supply or for supplying gas to the treatment room is suitable.
  • Treatment plant and / or one or more rinsing modules or all rinsing modules of the treatment plant may have one or more or all of the features and / or advantages generally described in connection with a module.
  • One or more modules or all modules of the treatment plant preferably each comprise one or more transport units or are each formed from one or more transport units.
  • a transport unit is in particular a transportable unit which as a whole and / or without further subdivision or without further disassembly into components of the transport unit can be transported from one location to another location.
  • a transport unit as a whole with a truck for receiving standard containers, IsoContainer or ship freight containers can be transported.
  • one or more modules or all modules each comprise a plurality of transport units, for example three transport units, which together form or surround a treatment space section of the module.
  • each module or each of these transport units is preferably assigned an aggregate, in particular a circulating air unit and / or a purge gas unit.
  • An aggregate in particular a circulating air unit and / or a purge gas unit, preferably forms a further transport unit of the module.
  • a longitudinal extent of an aggregate, in particular a circulating air unit and / or a purge gas unit, along the conveying direction at least approximately corresponds to a longitudinal extent of a transport unit along the conveying direction.
  • annular gas flow or several annular gas flows can be generated or generated in one or more transport units or all transport units which form or surround a treatment space section of the module. It can be advantageous if one or more, in particular all, transport units are each assigned exactly one machining cycle and / or exactly one machining position (workpiece location) for machining a workpiece. Within this one or more of these, in particular all, transport units then preferably only one single holding position exists, in which the workpieces are stopped one after the other to perform a treatment process.
  • transport units each several
  • transport units then preferably each exist more
  • the distributor device is preferably separated from the treatment space by means of a dividing wall.
  • the distributor device is arranged and / or formed completely on one side of the treatment space.
  • the partition wall forms or is in particular a side wall of the treatment space or a portion of a side wall of the treatment space.
  • One or more inlet openings are preferably formed in the dividing wall.
  • the partition is preferably within the housing, which the
  • Treatment room surrounds, arranged.
  • the distributor device is then preferably part of the housing which surrounds the treatment space.
  • the partition in particular a common wall between the circulating air unit or purge gas unit on the one hand and the housing which surrounds the treatment chamber, on the other hand.
  • At least one inlet opening arranged in a dividing wall it can be provided that at least one inlet opening is arranged in a bottom wall of the housing surrounding the treatment space and / or in a ceiling wall of the housing surrounding the treatment space.
  • partition wall is formed at least in sections following a workpiece contour, for example following a workpiece longitudinal contour.
  • the treatment plant is a treatment plant for the treatment of vehicle bodies and if the partition is a substantially vertical section running at least approximately parallel to a vehicle front or a vehicle rear of a vehicle body, at least approximately parallel to a front hood or rear hood of the vehicle body Essentially horizontal portion and / or at least approximately parallel to A-pillars or C-pillars of the vehicle body extending oblique portion comprises.
  • the partition wall has a plurality of inlet openings in the essentially vertical section running at least approximately parallel to a vehicle front or a vehicle rear end of a vehicle body and / or a plurality of inlet openings in the at least approximately includes parallel to A-pillars or C-pillars of the vehicle body extending oblique portion.
  • the treatment facility in particular the treatment space, is preferably adapted to an outer shape of a vertical longitudinal section of the workpieces, in particular at least approximately complementary to an outer shape of a vertical longitudinal section of the workpieces.
  • one or both side walls of the treatment space are adapted to an outer shape of a vertical longitudinal section of the workpieces, in particular at least approximately
  • An outer shape of a vertical longitudinal section is in particular a maximum outer contour of the workpieces when the workpieces are cut along a vertical longitudinal center plane.
  • the treatment plant comprises a plurality of rinsing modules and / or a plurality of circulating air modules, each circulating air module preferably having a heating zone and / or holding zone and / or cooling zone of the
  • Treatment room forms.
  • the treatment plant has a plurality of successive in the conveying direction of modules, in particular recirculation modules and / or Spülmodule on.
  • the collecting device comprises a collecting channel, which is preferably arranged outside the treatment space and into which several outlet openings open.
  • the collecting device comprises a return channel, by means of which the Um Kunststoffgasstrom or purge gas flow discharged through a plurality of outlet openings from the treatment chamber to the fan device, the separation device and / or the distributor device is feasible.
  • the treatment plant in particular one or more circulating air modules or each circulating air module of the treatment plant, one or more return channels, each having one or more outlet openings, through which a gas stream, in particular a Umluftgasstrom and / or a purge gas, can be discharged from the treatment room, respectively connect one or more inlet openings for supplying the Umluftgasstroms and / or a purge gas to the treatment room.
  • a gas stream in particular a Umluftgasstrom and / or a purge gas
  • the return channels are preferably independent of each other return channels.
  • one or more circulating air modules or all circulating air modules each comprise a plurality of independent ones
  • the return ducts preferably extend or extend at least approximately along planes oriented perpendicular to the conveying direction.
  • each return channel By means of each return channel and by the respective
  • Return channel interconnected at least one outlet opening and at least one inlet opening is preferably within a
  • Recirculation module generates a ring gas flow, which preferably at least approximately in a direction perpendicular to the conveying direction
  • an effective main flow direction of the gas flow guided through the treatment space preferably includes an angle of at least approximately 70 °, for example at least approximately 80 °, in particular at least approximately 85 °, with the conveying direction.
  • blower device may be assigned to a plurality of return channels and / or annular gas flows.
  • one or more circulating air modules or each circulating air module of the treatment plant each comprise a blower device and a plurality of return ducts and / or annular gas flows associated with this blower device.
  • one or more circulating air modules or each circulating air module of the treatment system comprise a plurality of blower devices and a plurality of return channels and / or ring gas flows, wherein each return channel and / or each ring gas flow a separate
  • Blower device is assigned.
  • One or more fan devices preferably each comprise a rotating impeller, which in particular has a fan element
  • An axis of rotation of the impeller is preferably aligned at least approximately parallel or at least approximately perpendicular to the conveying direction.
  • Rotation axis of the impeller is oriented at least approximately horizontally or at least approximately vertically.
  • One or more blower devices are designed in particular as a radial fan or axial fan.
  • a main flow direction of a gas flow, in particular ring gas flow, in one or more return ducts is preferably at least approximately perpendicular to the conveying direction and / or at least
  • one or more circulating air modules or each recirculation module of the treatment plant each comprise one or more inlet openings, one or more outlet openings and / or one or more return channels, wherein the one or more inlet openings, the one or more more
  • Treatment plant diagonally dividing diagonal plane are arranged.
  • Inlet openings, the one or more outlet openings and / or the one or more return channels are arranged together below or above a diagonal plane diagonally dividing the treatment space and / or the treatment plant.
  • the diagonal plane extends in particular along the conveying direction and / or along a cutting line or borderline between a first
  • Longitudinal plane of the treatment chamber are arranged opposite to each other.
  • One of the two side walls of the treatment space is preferably formed by a partition, which is a distributor device of the
  • one or more circulating air modules or each circulating air module of the treatment system comprises variably dimensionable and / or differently dimensioned and / or adjustable and / or controllable outlet openings, inlet openings and / or return channels.
  • outlet openings, the inlet openings and / or the return channels are preferably variable with regard to a flow cross-section
  • Treatment room guided gas flow can be influenced locally or is influenced, for example, for a point gas extraction and / or
  • an outlet opening arranged below the workpiece has one in comparison to an associated one Inlet opening has reduced flow cross-section, so that increases a flow velocity under the workpiece.
  • one or more outlet openings arranged below the workpiece are offset in the direction of the workpiece, starting from a bottom wall or side wall of the treatment space.
  • one or more guide channels may be provided, which project from the bottom wall or side wall into the treatment room and in particular a workpiece-near
  • one or more outlet openings arranged below the workpiece, starting from a bottom wall of the treatment chamber at least
  • arranged openings of the one or more guide channels preferably form the one or more outlet openings.
  • the treatment plant preferably comprises a gas supply, by means of which a gas flow can be directed into an interior space of a workpiece.
  • a stream commonly referred to as a "gas stream” may in particular be a recycle gas stream, a purge gas stream, an inert gas stream, etc.
  • Treatment plant comprises at least one gas supply, which
  • the inlet opening is in particular an opening, in which a windshield (windshield) or rear window is arranged in the mounted state of a workpiece designed as a motor vehicle.
  • the entrance level is in particular a level in which a
  • the entry plane is a plane in which three or more points farthest from the inlet opening, in particular corner points, of the border are arranged.
  • the border and the entrance plane preferably have a common mirror plane.
  • a gas stream in particular a hot gas stream, a purge gas stream and / or a cooling gas stream, is directed through an inlet opening of a workpiece into an interior space of the workpiece, wherein a portion of a volumetric flow of the gas stream directed through the inlet opening into the interior of the workpiece at least about 50%, preferably at least about 75%, of a volumetric flow of a gas stream directed towards and / or into the workpiece as a whole.
  • the treatment plant comprises a gas outlet, by means of which a gas stream on a side facing away from a gas supply side of the workpiece from the treatment space can be discharged.
  • the treatment plant preferably comprises at least one inlet opening and at least one outlet opening, which are arranged on opposite sides of the workpiece.
  • the treatment facility has at least one inlet opening for supplying gas to the treatment space and at least an outlet opening for discharging gas from the treatment space, which are arranged on opposite sides of the workpiece, wherein preferably a flow through the treatment space is provided such that at least 70%, preferably at least 90%, of the gas flowing through said at least one inlet opening gas these at least one outlet opening can be discharged from the treatment space.
  • the at least one inlet opening and the at least one outlet opening are preferably offset with respect to a workpiece longitudinal direction.
  • the workpiece longitudinal direction and the conveying direction may, for example, be aligned parallel to one another or transversely, in particular vertically, to one another.
  • the at least one inlet opening is arranged in a front area of a workpiece or in a rear area of a workpiece, while the at least one outlet opening is preferably arranged in a rear area or in a front area of the workpiece.
  • the treatment system comprises at least one outlet opening for the removal of gas from the treatment space, which is arranged in a bottom wall or side wall or ceiling wall delimiting the treatment space.
  • the treatment room is preferably arranged in a housing (housing).
  • the treatment space is limited by a bottom wall, a side wall, another side wall or partition and / or a top wall of the housing.
  • drying of the workpiece is removal of solvent, crosslinking of the applied layer, solidification of the applied layer, etc.
  • the treatment installation comprises a plurality of modules, in particular circulating air modules and / or flushing modules, which are coupled, in particular supplied, by means of a common energy module.
  • the energy module is in particular a so-called power module.
  • the conveying device comprises a rotation device, by means of which a Drehauscardi the workpieces is variable about a vertical axis of rotation.
  • a vertical axis of rotation is in particular a parallel to the direction of gravity aligned axis.
  • a rotational orientation of the workpieces can be changed such that the workpieces can be conveyed in a bulkier first rotational orientation, then be brought into a less bulky second rotational orientation in order to be passed through a constriction.
  • a bottleneck may in particular be a lock.
  • the respective workpiece can be brought into the bulkier first Drehauscardi again preferably by means of another rotary device.
  • a bulkier first Wheelauscardi is in particular a Drehauscardi designed as a vehicle body workpiece such that a workpiece longitudinal axis is aligned perpendicular to the conveying direction.
  • a less bulky second Wheelausrhythm is in particular a Drehauscardi designed as a vehicle body workpiece such that the workpiece longitudinal axis is aligned parallel to the conveying direction.
  • a change to the Drehauscardicardi by means of one or more rotating devices may be provided such that one or two times or more than twice a rotation is performed by 90 °.
  • the conveying device comprises a lifting device, by means of which the workpieces can be raised from a first level to a second level and / or lowered from the second level to the first level.
  • the conveying device comprises a transfer device, by means of which the workpieces can be transferred from a partial conveying section to a further partial conveying section, wherein the conveying directions in the two partial conveyor sections are different from each other and wherein a global rotational alignment of the workpieces relative to the treatment plant in two partial conveyor sections is identical.
  • a direction of rotation rotated by 90 ° while maintaining a global Drehauscardi be provided relative to the treatment plant.
  • a lock is passed through in a workpiece longitudinal direction in order to allow a small lock width.
  • An actual promotion, in particular by a treatment room, is preferably transverse, in particular perpendicular, to the workpiece longitudinal direction.
  • the conveying device comprises a rotary device, by means of which a rotational alignment of the workpieces about a vertical axis of rotation is variable, and a lifting device, by means of which the workpieces can be raised from a first level to a second level and / or the second level can be lowered to the first level, wherein the rotary device and the lifting device are designed as an integrated handling device for handling the workpieces between two partial conveyor sections.
  • the handling device can thus be carried out simultaneously or successively a rotation and / or lifting or lowering of single or multiple workpieces.
  • the workpieces are preferably conveyed by means of the conveying device along a plurality of partial conveying sections, wherein the partial conveying sections preferably complement each other to form an overall conveying path.
  • At least two partial conveyor sections are preferably connected to one another by means of a lifting device and / or a rotary device and / or a transfer device.
  • the present invention further relates to a method for treating workpieces, for example for drying coated vehicle bodies.
  • the invention is in this respect the task of providing a method by which an optimized workpiece treatment is feasible.
  • the method preferably has one or more of the features and / or advantages described in connection with the treatment plant.
  • the treatment system preferably has one or more of the features and / or advantages described in connection with the method.
  • the workpieces are conveyed at least in sections through the treatment space by means of a conveying device in such a way that a longitudinal direction of the workpieces is aligned transversely, in particular substantially perpendicular, to the conveying direction.
  • gas is supplied to the treatment space by means of at least one inlet opening and gas is removed from the treatment space by means of at least one outlet opening, the supply on the one hand and the discharge on the other hand preferably taking place on mutually different sides of a vertical workpiece transverse center plane and / or a diagonal plane.
  • the workpieces are preferably conveyed discontinuously and / or clocked through the treatment room.
  • the workpieces are stopped at one or more holding positions and there flows through a gas stream, in particular through which they are flushed.
  • the workpieces are positioned at one or more holding positions in a predetermined relative position relative to one or more inlet openings and / or one or more outlet openings, in order to allow in particular a targeted flow through the workpieces with a gas flow.
  • a gas supply to the treatment space and / or a gas discharge from the treatment space is carried out continuously, in particular independently of a preferably discontinuous and / or clocked promotion of the workpieces. Due to the discontinuous and / or clocked conveying of the workpieces, in particular the stopping of the workpieces at one or more holding positions, a desired flow through the one or more workpieces can preferably be made possible despite continuous gas flow, in particular without risking a local overheating of the respective workpiece.
  • Treatment space and / or a gas discharge from the treatment room is discontinuous and / or timed, wherein the promotion of
  • Workpieces are then preferably continuous or discontinuous and / or clocked.
  • a volume flow of the gas flow guided through the treatment space is reduced and / or interrupted when one or more workpieces are moved and / or arranged in intermediate positions, in particular in undesired intermediate positions are .
  • an optimized workpiece temperature control can be achieved. Furthermore, this may be undesirable
  • Turbulence can be reduced or avoided altogether, in particular to minimize or completely prevent the formation of dust or other impurities.
  • An intermediate position is, for example, a position of the workpiece within the treatment space between two consecutive treatment positions of the workpiece.
  • An intermediate position is, in particular, a position of the workpiece within the treatment space, in which a regular and / or non-reduced supply of the gas stream would lead to an undesired local overheating or cooling of the workpiece.
  • an intermediate position is a position of the workpieces in which a gas stream directed into the treatment space flows past A-pillars or C-pillars of the workpieces or workpieces rather than into an inner space of the workpieces.
  • the workpieces flow through, in particular flushed through, a gas stream at least in sections or at least partially in a workpiece longitudinal direction.
  • the gas stream may in particular be a heating gas stream for heating the workpieces and / or a purge gas stream for purging the workpieces, in particular for discharging solvent, and / or a cooling gas stream for cooling the workpieces. It can be provided that the workpieces flowing through
  • Partial gas flow of the flowing through the treatment space gas flow flows through one or more inlet openings in an interior of the respective workpiece and flows through one or more outlet openings from the interior.
  • An inlet opening is for example an opening for receiving a windshield.
  • Several outlet openings are then, for example, openings for rear side windows and / or rear windows and / or an opening for receiving a rear window.
  • this can be provided for a suction, which is arranged at least approximately centrally and / or centrally under a vehicle rear.
  • An inlet opening is also, for example, an opening for receiving a rear window.
  • outlet openings are then, for example, openings for front side windows and / or an opening for receiving a
  • Windshield For example, this can be provided for a suction, which is arranged at least approximately centrally and / or centrally under a vehicle front.
  • the treatment space may comprise at least one heat section in which the workpieces can be heated and / or kept at a temperature which is elevated relative to an ambient temperature.
  • an ambient temperature is to be understood as meaning in particular a temperature in the vicinity of the treatment plant, for example a hall temperature, in particular approximately 10 ° C. to 40 ° C. or approximately 20 ° C. to 25 ° C.
  • the treatment system comprises a flushing device for flushing a flushing section of the treatment chamber with a gas flow.
  • the gas flow is, for example, a fresh air flow and / or an exhaust flow from a cooling section and / or heat section and / or an exhaust flow from a lock (lock gas flow) of the treatment plant.
  • a fresh air stream is a gas stream of fresh air.
  • Fresh air is in particular hall air in a hall in which the treatment plant is arranged, and / or outside air or ambient air from an environment of
  • Treatment plant and / or the hall in which the treatment plant is arranged Treatment plant and / or the hall in which the treatment plant is arranged.
  • a gas stream is passed through the treatment space several times, in particular being fed successively to different sections of the treatment space.
  • a gas stream can be taken from a cooling zone and / or heating zone and / or holding zone of the treatment chamber and fed to a lock.
  • a gas flow discharged from the lock can then be supplied to the flushing section of the treatment chamber, for example as flushing gas flow.
  • flushing section of the treatment chamber is arranged with respect to the conveying direction behind at least one heat section of the treatment chamber.
  • the flushing section of the treatment chamber is arranged with respect to the conveying direction immediately after at least one heat section of the treatment chamber.
  • the flushing section of the treatment chamber is arranged with respect to the conveying direction between at least two heat sections of the treatment chamber.
  • the treatment space preferably comprises at least one heating section, at least one cooling section for cooling the workpieces and at least one flushing section.
  • At least one rinsing section is preferably arranged with respect to the conveying direction between the at least one heat section and the at least one cooling section.
  • heating section the flushing section and / or the cooling section can be selectively connected to one another in a fluid-effectively separable manner and fluid-effectively by means of one or more separating elements.
  • a separating element is in particular a mechanical separating element, for example a gate.
  • a separating element may for example be a fluidic separating element, in particular an airlock.
  • the treatment system comprises a gas guide, by means of which the gas flow supplied to a rinsing section of the treatment chamber can be supplied to at least one heat section of the treatment chamber after flowing through the rinsing section.
  • the gas flow supplied to a rinsing section of the treatment chamber can be supplied to a plurality of, in particular two, heat sections of the treatment chamber after flowing through the rinsing section.
  • the gas stream is preferably divisible after flowing through the flushing section, so that in each case a partial gas flow in the respective heat section of the treatment chamber can be fed.
  • the gas flow supplied to a rinsing section of the treatment chamber can be supplied to at least one heat section of the treatment chamber at an end of the heat section facing away from a rinsing section after flowing through the rinsing section.
  • the gas stream supplied to a rinsing section of the treatment chamber can be fed to two or more heat sections of the treatment chamber at the end of the respective heat section facing away from the rinsing section after flowing through the rinsing section.
  • the respective heating section is then preferably flowed through by a gas flow from an end of the heating section facing away from the flushing section to an end of the heating section facing the flushing section.
  • the treatment plant comprises a flushing device, by means of which a heated gas flow can be fed to a flushing section of the treatment chamber.
  • a heated gas stream is to be understood as meaning, in particular, a gas stream having a temperature which is higher than the ambient temperature.
  • a heated gas stream may be, for example, a gas stream discharged from a cooling section of the treatment plant.
  • the treatment plant in particular the flushing device, for example a flushing module, comprises a heating device for heating the gas flow.
  • the heating device may comprise, for example, an exhaust gas purification device, in particular a regenerative thermal oxidation system.
  • waste heat from the treatment plant can be used to heat the gas stream.
  • a heating section comprises at least one heating zone for heating the workpieces and / or at least one holding zone in which an elevated temperature of the workpieces can be maintained.
  • each heating zone and / or each holding zone comprises one or more circulating air modules for circulating the gas stream guided in the respective heating zone and / or holding zone.
  • a heating section comprises a plurality of heating zones and / or a plurality of holding zones, each of which preferably comprises one or more circulating air modules.
  • a heating section comprises at least one heating zone for heating the workpieces and / or at least one holding zone in which an elevated temperature of the workpieces can be maintained, preferably each heating zone and / or each holding zone a separate heating device and / or a separate Heat exchanger for heating the guided in the respective heating zone and / or holding zone gas stream.
  • the treatment system comprises at least one heat section, at least one flush section and at least one cooling section, wherein the at least one heat section and / or the at least one flush section are arranged above the at least one cooling section with respect to the direction of gravity.
  • the treatment installation may, for example, comprise a lifting device by means of which the workpieces can be raised to a level of the heating section and / or the flushing section and / or lowered to a level of the cooling section.
  • the lifting device may, for example, a lock and / or a
  • a lock space or wash compartment separable from the heat section and / or the cooling section is then preferably bounded and / or sealed by a bottom plate of the lifting device and / or a lateral partition wall.
  • the lateral partition preferably separates the lock space from the heat section.
  • the bottom plate preferably separates the lock space from the cooling section.
  • Treatment plant comprises at least one gas supply, by means of which a gas flow at least approximately perpendicular to an entrance level of an inlet opening of a workpiece in an interior of the workpiece is directable.
  • the inlet opening is in particular an access to the interior, for example an opening in a workpiece designed as a vehicle body, wherein the opening serves for example for receiving a windshield or rear window.
  • the workpieces are preferably receivable by means of the conveying device and can be conveyed through at least one heat section, at least one rinsing section and / or at least one cooling section of the treatment space such that a longitudinal direction of the workpieces is aligned transversely, in particular substantially perpendicular, to the conveying direction.
  • a vehicle longitudinal axis of workpieces designed as vehicle bodies is aligned transversely, preferably perpendicular, to the conveying direction.
  • the treatment plant is preferably a dryer system for drying vehicle bodies.
  • an exhaust gas stream from a cooling section of the treatment plant is used as the purge gas stream.
  • a heated or heated purge gas stream can be used in an energy-efficient manner be provided because the guided through the cooling section gas absorbs heat from the workpieces to be cooled.
  • a lock is preferably a section of the treatment installation which is different from a flushing section.
  • a lock is preferably flowed through by a lock gas stream.
  • the sluice gas flow preferably flows through the sluice at least approximately in the direction of gravity from top to bottom or from bottom to top.
  • the sluice gas flow preferably includes an angle of at least about 30 °, more preferably at least about 40 °, for example, about 50 ° with the horizontal. Alternatively or additionally, it can be provided that the lock gas flow with the horizontal
  • Sluice is preferably carried out in a bottom region of the lock.
  • a lock gas flow passed through the lock is reused after passing through the lock
  • purge gas stream fed to a purge section of the treatment plant in particular as purge gas stream fed to a purge section of the treatment plant.
  • a lock gas flow for a lock after flowing through the lock as purge gas supplied to the workpieces and passed through the same preferably comprises at least about 30%, in particular at least about 40%, for example at least approximately 50%, of the sluice gas of the
  • Purging gas stream preferably comprises at most about 80%, in particular at most about 70%, lock gas of the lock gas flow.
  • the sluice gas flow is preferably at least partially or completely a fresh air flow and / or a gas flow discharged from a heat section or cooling section of the treatment plant.
  • the workpieces are preferably first passed through at least one heat section of the treatment chamber and then flushed with a purge gas stream. After rinsing, the workpieces are preferably supplied to at least one further heat section of the treatment space and / or at least one cooling section of the treatment space.
  • the workpieces are first supplied to the further cooling section and then a cooling section or directly after flushing the cooling section after flushing.
  • a rinsing section and at least one heating section and / or at least one cooling section are fluidically separated from one another by means of one or more separating elements in order to carry out a rinsing process.
  • a clocked operation of a flushing device and / or the conveying device is provided, so that the workpieces are preferably fed to the flushing section individually or in discrete groups one after the other.
  • a gas stream in particular a heated gas stream (hot gas stream), a purge gas stream and / or a cooling gas stream, is directed in an interior of the workpiece in a direction substantially perpendicular to an inlet opening of a workpiece.
  • the flushing device is preferably a workpiece interior, in particular a body interior, rinsed.
  • a workpiece interior in particular a body interior
  • rinsed preferably a workpiece interior, in particular a body interior
  • workpieces of different type and / or size can be conveyed through the treatment space by means of the conveying device.
  • At least one inlet opening for supplying gas to the treatment space preferably comprises a nozzle or is formed by a nozzle.
  • At least one inlet opening for supplying gas to the treatment space comprises a jet nozzle or is formed by a jet nozzle.
  • a jet nozzle preferably comprises a nozzle inlet and a nozzle outlet, wherein the nozzle outlet preferably has a larger cross-sectional area than the nozzle inlet and / or wherein between the nozzle inlet and the nozzle outlet is preferably a continuous
  • gas guide section is provided.
  • the jet nozzle comprises a flow influencing element, for example in the form of a central body.
  • the central body is preferably centered with respect to a perpendicular to Direction of flow in the nozzle aligned plane in the region of the nozzle outlet of the nozzle arranged.
  • the central body is substantially conical and widening along the flow direction.
  • the nozzle and / or the central body are preferably rotationally symmetrical about a common axis of rotation and / or arranged.
  • a nozzle may have a rectangular, round, oval, or elongated cross-sectional shape.
  • the nozzle is arranged with respect to its position and / or orientation adjustable on a wall, in particular a partition wall, side wall, bottom wall and / or ceiling wall, a housing bounding the treatment space.
  • a wall in particular a partition wall, side wall, bottom wall and / or ceiling wall, a housing bounding the treatment space.
  • planar sheets and / or elongated holes may be provided in the respective wall in order to be able to adjust the position and / or orientation of the at least one nozzle.
  • Covering in particular flaps, are closed.
  • a targeted local exhaust removal of the gas flow through one or more outlet openings
  • preferably locally increased flow rates can be obtained in order to achieve a preferred flow of the workpieces.
  • the flushing device and / or a lock may for example comprise one or more separating elements, which are formed by a swing gate, a roller shutter or a lifting gate. It can be provided that in each case a separating element is arranged with respect to the conveying direction before and / or behind the workpiece to be treated, to include this during the flushing and / or lock passage.
  • a last module which forms a heating zone or holding zone, is designed as a rinsing module.
  • a flushing module is operable in particular in the fresh air exhaust mode.
  • a gas in a cooling section of the treatment device is preferably solvent-free.
  • An exhaust gas flow discharged from the cooling section is thus preferably reusable in the treatment plant, for example as a gas flow to be supplied to a heating section and / or flushing section. It may be favorable if the conveying device comprises a chain conveyor.
  • a conveyor chain is preferably integrated in a bottom of the housing surrounding the treatment chamber, in particular recessed.
  • the workpieces are arranged and / or received, for example, by means of a respective skid on the conveyor device.
  • a skid for receiving one or more workpieces can be arranged on the conveyor device and conveyed by the same so that longitudinal axes of skid runners of the skid are aligned substantially parallel to the conveying direction.
  • a skid for receiving one or more workpieces can be arranged on the conveyor device and conveyed by the latter such that longitudinal axes of skid runners of the skid are aligned transversely, in particular substantially perpendicular, to the conveying direction.
  • one or more workpieces can be arranged on a skid and received by the skid on the conveyor device and / or conveyed by the same, that a workpiece longitudinal axis parallel or transverse, in particular substantially perpendicular to the longitudinal axes of Skidkufen the Skids and / or parallel or transverse, especially in
  • a bottom edge of a skid is preferably at or just above a floor level of the treatment room.
  • the conveying device is a combination of a skid conveying device and a skidless conveying device.
  • the conveying device is a combination of a skid conveying device and a skidless conveying device.
  • the processing system comprises a transfer device for converting the workpieces from a skid to a skidless conveying device.
  • the treatment system comprises one or more dummy modules which form sections of the treatment space, but are neither heated nor provided with inlet openings or outlet openings. As a result, it is possible in particular to achieve equalization of the heat.
  • Treatment plant comprises a central or higher-level heating device.
  • a plurality of circulating air units and / or purge gas units are thermally coupled to the heating device.
  • a hot gas line may be provided, by means of which hot gas (heated gas) from the heater to the circulating air units and / or Spülgasaggregaten can be fed.
  • One or more Um Kunststoffaggregate and / or one or more purge gas units preferably each comprise one or more heat exchangers, which on the one hand, a gas stream to be supplied to the treatment chamber and on the other hand, a hot gas stream, in particular a hot gas stream originating from the heater, can be supplied.
  • a gas flow to be supplied to the treatment space is preferably indirectly heatable.
  • the heating device can be, for example, a thermal exhaust gas purification device, in particular for the purification of exhaust gas discharged from the treatment chamber.
  • valves and / or flaps can preferably a
  • the treatment facility preferably further comprises:
  • a treatment room comprising a plurality of treatment room sections each associated with one of a plurality of separate circulating air modules of the treatment facility;
  • a heating system which preferably comprises a self-contained SchuGeral Component Interconnect (I) system, wherein a plurality of circulating air modules are coupled to the Bankgas entry, in particular for heating the guided through the treatment space sections gas.
  • a heating system which preferably comprises a self-contained Bankgas entry, wherein a plurality of circulating air modules are coupled to the Bankgas entry, in particular for heating the guided through the treatment space sections gas.
  • the treatment system preferably comprises a heating system with a self-contained heating gas guide, which is coupled to the circulating air modules, the gas to be supplied to the treatment space sections can be heated easily and efficiently.
  • the treatment plant can thereby be operated in a particularly energy-efficient manner.
  • the Kleingas entry is preferably formed annularly closed, so that at least a partial gas flow of a guided in the Walkergas arrangement heating gas flow repeatedly flows through the Schugas entry.
  • the heating gas is preferably raw gas and / or clean gas which is suitable and / or intended for use in the treatment space, that is to say for the flow through the treatment space.
  • the heating gas preferably has a temperature which is higher than the gas flow in the circulating air modules and / or treatment chamber sections, at least immediately upstream of the treatment space sections.
  • the heating gas is not exhaust gas of a heating device of the heating system, in particular no combustion exhaust gas.
  • a "self-contained Wiengas entry” is in particular a heating gas to understand in which at least a portion of a Schugasstroms is performed in a circuit. Independently of this, a continuous or phase-wise supply of fresh gas to the heating gas flow and / or removal of heating gas from the heating gas flow can preferably also be provided in the case of a self-contained heating gas duct.
  • a feed of fresh gas and a discharge of heating gas are preferably dimensioned so that in a single pass of the Schugasstroms by the Schugas entry at least 40%, preferably at least about 50%, in particular at least about 80%, for example, at least about 90%, of the past at a certain point of the Schugas entry stream of heating gas after complete passage again reach this point.
  • the supply of fresh gas and / or the discharge of heating gas from the heating gas flow is preferably carried out exclusively in the treatment space sections and / or the recirculation modules of the treatment plant.
  • the heating system is associated with a fresh gas supply and / or exhaust gas discharge, by means of which outside of the treatment room sections and / or outside the recirculation modules supplied fresh gas or heating gas can be removed from the Schugasstrom.
  • the circulating air modules and / or the treatment chamber sections are preferably part of the heating gas guide.
  • the heating gas can preferably be passed through the treatment chamber sections at least partially several times before it (again) flows through the part of the heating gas duct located outside the circulating air modules and / or outside the treatment chamber sections.
  • the heating gas guide comprises a recirculating air guide, which is formed in sections by a plurality of recirculating air modules and / or treatment space sections arranged in parallel.
  • a gas stream in a circulating air circulation is preferably feasible, to which heating gas can be supplied from the Schugas.
  • a partial gas flow of the circulated gas flow of each circulating air module and / or treatment chamber section from the circulating air module and / or the treatment room section can be discharged, guided by the Schwarzgas entry in a closed circuit and finally fed as part of the Schugasstroms again one or more circulating air modules and / or treatment room sections ,
  • a heat supply to the individual Umluftaggregaten and / or Spülgasaggregaten may preferably directly, in particular by the direct supply of fuel gas, or indirectly, in particular by heat transfer from a fuel gas or hot gas to the treatment room
  • the heating gas can be thermally coupled, for example by means of a heat exchanger, with a hot gas of the heating device, in particular an exhaust gas of the heating device, in order to remove heat from the hot gas,
  • Fig. 1 is a schematic representation of the operation of a first
  • FIG. 2 is a schematic perspective view, partly in section, of a second embodiment of a treatment plant
  • Fig. 3 is a further schematic perspective sectional view of
  • Fig. 4 is a further schematic perspective sectional view of
  • Fig. 5 is a horizontal section through the treatment plant
  • Fig. 6 is an oblique section through the treatment plant of FIG. 2;
  • FIG. 7 shows a horizontal section through a plurality of modules of the treatment installation from FIG. 2;
  • FIG. 8 is a schematic vertical section through the treatment plant of FIG. 2, wherein a workpiece is arranged in a treatment room of the treatment plant;
  • Fig. 9 is a corresponding to FIG. 8 schematic representation of
  • Treatment plant of FIG. 2 with a different shaped and / or dimensioned workpiece is disposed in the treatment space; a schematic perspective view of inlet openings and an outlet opening of the treatment plant and a workpiece to be treated; a schematic vertical section through a treatment plant, in which a cross-promotion and a gas supply are provided by a ceiling wall; a schematic vertical section through a treatment plant, in which a transverse conveying and a gas supply are provided by a vertical side wall; a schematic vertical section through a treatment plant, wherein a transverse conveying and a gas supply are provided by a contour-adapted partition wall; a schematic vertical section through a treatment plant, wherein a transverse conveying and a horizontal gas supply are provided to a lower front region of the workpiece;
  • 15 is a schematic vertical section through a treatment plant, wherein a transverse conveying and three inlet openings are provided for gas supply through a bottom wall of the treatment plant;
  • 16 shows a schematic vertical section through a treatment plant, wherein a transverse conveying and a gas discharge are provided via an outlet opening arranged in the bottom wall
  • 17 shows a schematic vertical section through a treatment plant, wherein a transverse conveying and a gas discharge are provided via an outlet opening arranged in a side wall
  • FIG. 18 shows a schematic vertical section through a treatment plant, wherein a transverse conveying and a lateral gas discharge taking place along the conveying direction are provided;
  • FIG. 19 shows a schematic vertical section through a treatment plant, wherein a transverse delivery and a gas supply as well as a gas discharge are provided such that a substantially diagonal flow through the treatment space takes place;
  • FIG. 20 shows a schematic vertical section through a treatment plant, wherein a longitudinal conveyor and a gas feed are provided according to the embodiment in FIG. 11;
  • FIG. 21 is a schematic vertical section through a treatment plant, wherein a longitudinal conveyor and a gas supply according to the in FIG. 15 illustrated embodiment are provided;
  • FIG. 22 shows a schematic vertical section through a treatment plant, wherein a longitudinal conveying and a gas discharge according to the embodiment shown in FIG. 16 illustrated embodiment are provided;
  • 23 shows a schematic vertical section through a treatment plant, wherein a longitudinal conveying and a lateral gas discharge directed perpendicular to the conveying direction are provided;
  • 24 is a schematic vertical section through a treatment plant, wherein a longitudinal conveyor and a gas supply according to the in FIG. 19 illustrated embodiment are provided;
  • Fig. 25 is a schematic perspective partially transparent representation of a cascaded gas guide
  • FIG. 26 shows a schematic illustration of an alternative embodiment of a gas duct of the treatment plant
  • FIG. 27 shows a schematic illustration of a further alternative embodiment of a gas duct of the treatment plant
  • FIG. a schematic plan view of a conveyor, which comprises a transfer device
  • a schematic plan view of a conveying device in which two transfer devices are provided
  • a schematic plan view of another embodiment of a conveying device in which two rotating devices are provided
  • a schematic side view of another embodiment of a conveying device in which a rotary device, a lifting device and a transfer device are provided
  • FIG. 32 is a schematic plan view of a further alternative embodiment of a conveying device, in which a rotating device arranged in a treatment space is provided. Identical or functionally equivalent elements are provided with the same reference numerals in all figures.
  • FIG. 1 embodiment of a treatment plant designated as a whole as 100 is, for example, a dryer installation 102 for drying coated workpieces 104.
  • the workpieces 104 are, for example, vehicle bodies 106
  • Coating is for example a paint job.
  • the treatment plant 100 comprises a housing 108, which has a
  • Treatment room 110 surrounds.
  • the treatment space 110 serves to receive one or more workpieces 104.
  • the workpieces 104 can be conveyed through the treatment space 110 along a conveying direction 112.
  • the treatment plant 100 comprises in particular a conveying device 114, for example a chain conveyor.
  • the workpieces 104 can preferably be arranged on the conveying device 114 by means of a skid or also without skid and can be moved along the conveying direction 112 with the same.
  • the housing 108 comprises two side walls 116 which are lateral with respect to the conveying direction 112, a bottom wall 120 arranged at a bottom with respect to a direction of gravity 118 and a top wall 122 arranged at the top with respect to the direction of gravity 118.
  • the housing 108 is in particular substantially cuboid.
  • a gas flow may preferably be supplied to the treatment space 110.
  • the treatment plant 100 comprises a gas feed 124.
  • the gas supply 124 preferably comprises a plurality of inlet openings 126, which are arranged, for example, in a side wall 116 or a partition wall 128 of the housing 108 to be described later.
  • the treatment system 100 preferably comprises a gas discharge 130, which in particular comprises a plurality of outlet openings 132.
  • the outlet openings 132 may, for example, be arranged in a side wall 116 and / or in the bottom wall 120.
  • the inlet ports 126 and the outlet ports 132 may be positioned differently.
  • an arrangement of inlet openings 126 and / or outlet openings 132 in the ceiling wall 122 may be provided.
  • inlet openings 126 on the one hand and the outlet openings 132 on the other hand on opposite sides of a workpiece transverse center plane 134, a vertical longitudinal center plane 136 of
  • Treatment space 110 and / or a diagonal plane 138 of the treatment room 110 arranged.
  • the workpiece transverse center plane 134 is in particular a plane which is aligned perpendicular to a workpiece longitudinal direction 140 and through a with respect to the workpiece longitudinal direction 140 centrally disposed geometric center or Schtechniktician of the workpiece 104 extends.
  • the workpiece longitudinal direction 140 is in particular a vehicle longitudinal direction along which a vehicle comprising the vehicle body 106 travels in a straight-ahead position.
  • the vertical longitudinal center plane 136 of the treatment space 110 is preferably a plane which runs parallel to the conveying direction 112 and along the direction of gravity 118.
  • the vertical longitudinal center plane 136 preferably cuts the treatment space 110 into two equally sized half-spaces 142.
  • the vertical longitudinal center plane 136 passes through a geometric center of the treatment space 110, in particular based on a maximum or average horizontal transverse extent of the treatment space 110 in a direction perpendicular to the conveying direction 112 and horizontally extending direction.
  • the treatment plant 100 preferably comprises a housing 108, the interior 144 of which is divided into two parts.
  • the interior 144 is divided by means of the dividing wall 128 into the treatment chamber 110 on the one hand and on the other hand into a distributor chamber 146 of a distributor device 148 of the treatment installation 100.
  • the partition wall 128 preferably runs parallel to the conveying direction 112 and is preferably adapted at least in sections to a contour of the workpiece 104.
  • the dividing wall 128 comprises a vertical section 150, which extends in the vertical direction 118 in front of a vehicle front 152 of the workpiece 104 designed as a vehicle body zipper 106.
  • the dividing wall 128 comprises a horizontal section 154, which is substantially horizontally and at least approximately along a front hood 156 of the formed as a vehicle body 106 workpiece 104 extends.
  • the partition wall 128 may comprise an oblique section 158, which is oriented obliquely to the direction of gravity 118 and extends at least approximately parallel to an A pillar 160 of the workpiece 104 formed as the vehicle body 106.
  • a partition wall 128 may further be provided such that it is adapted to the contour of a vehicle rear 162 of the workpiece 104 formed as a vehicle body 106.
  • the vertical portion 150 of the partition wall 128 then extends in the vertical direction along the rear of the vehicle 162.
  • the horizontal section 154 of the partition wall 128 extends at least approximately along a rear hood 164 of the workpiece 104 designed as a vehicle body 106.
  • the inclined section 158 of the partition wall 128 then extends substantially parallel to a C-pillar 166 of the workpiece 104 designed as a vehicle body 106.
  • the treatment space 110 is preferably flowed through substantially diagonally and transversely, in particular vertically, to the conveying direction 112 with a gas stream.
  • the inlet openings 126 and the outlet openings 132 are preferably arranged such that a workpiece interior 168 is preferably flowed through at least in sections along the workpiece longitudinal direction 140 with the gas stream.
  • an inlet opening 126 in particular is provided in the oblique section 158 of the partition wall 128 such that the gas flow flowing into the treatment space 110 through this inlet opening 126 is directed into an inlet opening 170 of the workpiece 104.
  • the inlet opening 170 is, in particular, an opening arranged between two A-pillars 160 of the workpiece 104 designed as a vehicle body 106 for arranging a front pane.
  • an inlet opening 170 between two C-pillars 166 and / or (not shown) D-pillars may be provided.
  • One or more inlet ports 126 disposed in the vertical section 150 preferably serve to supply the gas flow to the vehicle front 152 in a substantially horizontal direction.
  • One or more outlet openings 172 of the workpiece 104 are preferably arranged in the region of the vehicle rear 162.
  • the one or more outlet openings 132 are preferably arranged in order to be able to discharge a gas flow selectively out of the workpiece 104 through the one or more outlet openings 172.
  • the workpiece 104 in particular the vehicle body 106, is thus preferably flowed through in the workpiece longitudinal direction 140 from front to back with a gas stream. Alternatively, however, an opposite flow can also be provided.
  • the workpiece 104 Due to the selected flow through the workpiece 104, it can preferably be avoided that the workpiece 104, in particular the vehicle body 106, is undesirably heated in a roof area 174.
  • this can preferably be effected by a uniform supply of heat to the workpiece 104.
  • the actual supply of heat takes place in particular by transfer of heat from the supplied gas stream to the workpiece 104.
  • the gas stream is thus in particular a heated gas stream when it is supplied to the treatment space 110 via the inlet openings 126.
  • the treatment plant 100 preferably comprises a blower device 176, a heating device 178, a separation device 180 and / or one or more valves 182.
  • blower device 176 By means of the blower device 176 in particular the gas flow can be driven.
  • the gas stream can preferably be heated directly or indirectly.
  • the heating device 178 may in particular be a thermal exhaust gas purification device, a regenerative thermal
  • Oxidation device a support burner, a micro gas turbine and / or another combustion device include.
  • the separation device 180 is preferably used to remove impurities from the gas stream, in particular to avoid undesirable loading of the coated workpiece 104 with impurities.
  • the separation device 180 is, for example, a filter device.
  • the one or more valves 182 are preferably used for the selective supply of fresh air, the discharge of exhaust air and / or the complete or partial recirculation.
  • air is not necessarily used to refer to the atmospheric nitrogen-oxygen mixture. Rather, in general, any gas can be provided.
  • circulating air preferably only designates a guidance of a gas flow in a closed circuit.
  • the treatment plant 100 preferably comprises a valve 182 designed as a feed valve 184.
  • a fresh air stream can preferably be supplied.
  • a discharge valve 186 may preferably be provided.
  • the gas stream can be discharged and / or released to the environment.
  • Gas stream are preferably performed in a circuit.
  • a predetermined amount of gas can then be passed through the treatment space 110 several times.
  • a regular gas supply and regular gas discharge can furthermore be provided in order to always replace at least part of the gas passed through the treatment space 110. In particular, this can avoid an undesirably high pollutant concentration.
  • An efficient gas guidance is possible in particular if the partial gas flows discharged via the outlet openings 132 are brought together, for example, by means of a collecting device 190, in particular a collecting channel 192, and then continued together.
  • the collecting channel 192 may in particular also be a discharge channel 194.
  • the combined partial gas streams are preferably carried along in common, in particular the discharge valve 186 can be fed and delivered to the environment or, in particular via the
  • Blower 176 again the treatment room 110 can be fed.
  • valves 182 are set such that at least a majority of the gas flow passed through the treatment chamber 110 is guided in a recirculating air circuit
  • the part of the treatment system 100 shown in FIG. 1 is a circulating air module 196.
  • the treatment plant 100 shown in FIG. 1 works in particular as follows:
  • blower device 176 By means of the blower device 176, a gas stream is introduced into the distributor chamber 146 and fed there to the inlet openings 126.
  • the gas stream then enters the treatment space 110.
  • the inlet openings 126 are, for example, arranged and / or formed such that the gas stream is in the form of a plurality of partial gas streams, for example. flow targeted into the workpiece interior 168 of the workpiece 104 can flow.
  • the gas stream then flows through the workpiece interior 168 at least approximately along the workpiece longitudinal direction 140 and is then removed from the treatment space 110 via the outlet openings 132.
  • the workpieces 104 are passed in the conveying direction 112 through the treatment chamber 110, in particular such that the workpiece longitudinal direction 140 is oriented perpendicular to the conveying direction 112.
  • a clocked delivery of the workpieces 104 is provided so that they are stopped at regular intervals in preferred holding positions relative to the inlet openings 126 and outlet openings 132.
  • the preferred flow or purging of the workpieces 104 can be ensured thereby.
  • FIGS. 2 to 10 illustrated second embodiment of a treatment plant 100 corresponds in terms of structure and function substantially the treatment plant 100 according to the first embodiment shown in Fig. 1.
  • the treatment installation 100 comprises several modules, for example recirculation modules 196, which are arranged successively along the conveying direction 112.
  • three circulating air modules 196 are provided, which each form a heating zone 200 of the treatment chamber 110.
  • three further circulating air modules 196 form, for example, three holding zones 202 of the treatment chamber 110.
  • cooling zones may be formed by further circulating air modules 196.
  • a heating zone 200 serves to supply heat to the workpiece 104 in such a way that it heats up.
  • a heat supply is preferably carried out such that an already existing temperature of the workpiece 104 is kept constant.
  • the heating zones 200 and the holding zones 202 together preferably form a heat section 204 of the treatment space 110.
  • this heat section 204 is preferably a major part of
  • each module in particular each circulating air module 196, comprises a separate circulating air unit 206 for driving a recirculating air gas flow in the respective circulating air module 196.
  • Each circulating air unit 206 preferably comprises a blower device 176, a heating device 178, a separation device 180 and / or one or more valves 182, in particular a feed valve 184, a discharge valve 186 and / or a recirculation valve 188.
  • the circulating air unit 206 is in particular docked to a side wall 116 of the housing 108 of the treatment plant 100, in particular of the respective circulating air module 196.
  • a side wall 116 of the housing 108 preferably forms at the same time a side wall 116 of the respective circulating air unit 206. Simple passage openings in the side wall 116 are then preferably sufficient to establish a fluid connection between the respective circulating air unit 206 and the associated section of the treatment space 110 and / or the respective distributor space 146 produce.
  • a simple modular construction of the treatment system 100 can preferably be made possible. Furthermore, this advantageously makes an efficient operation of the treatment system 100 possible.
  • the heater 178 may be, for example, a central heating device 178, wherein a plurality of heat exchangers 179 of the heat transfer in the individual
  • Um Kunststoffmodulen 196 serve, while the actual heat generation (heating power) in a central heating device 178, for example, a thermal emission control device 181, takes place.
  • the Umbuchaggregate 206 are then connected, for example by means of a hot gas line 183 (see Fig. 4) with each other and with the thermal emission control device 181, so that generated in the thermal emission control device 181 hot gas targeted, in particular controlled and / or regulated, the individual heat exchangers 179 in the Umbuchaggregaten 206 can be fed.
  • a hot gas line 183 see Fig. 4
  • the hot gas generated in the thermal exhaust gas purification device 181 is, in particular, exhaust gas from the thermal exhaust gas purification device 181.
  • This exhaust gas is in particular a purified exhaust gas, which is thus also referred to as clean gas.
  • the hot gas line 183 is therefore in particular also a clean gas line 185.
  • the gas to be supplied to the treatment chamber 110 is preferably indirectly heated.
  • the workpieces 104 are received by means of a respective skid 208.
  • the treatment plant 100 is preferably suitable for selectively treating workpieces 104 of different types and / or sizes (see in particular FIGS. 8 and 9).
  • the workpieces 104 are preferably always positionable such that the inlet openings 126 arranged in the oblique section 158 of the partition wall 128 are always directed through an inlet opening 170 into the workpiece interior 168.
  • FIG. 2 to 10 illustrated embodiment of a treatment plant 100 in terms of structure and function with the embodiment shown in FIG. 1 match, so that reference is made to the above description in this regard.
  • FIGs. 11 to 24 different embodiments of treatment plants 100 are shown, which are essentially only with regard to the arrangement of the inlet openings 126, the outlet openings 132, the separation wall 128 and / or the conveyor 114 from each other and from the above embodiments.
  • FIGS. 11 to 19 show embodiments of treatment plants 100 in which transverse conveying is provided.
  • a transverse conveying in particular, a conveying by means of the conveying device 114 is provided such that the workpiece longitudinal direction 140 is aligned transversely, in particular vertically, to the conveying direction 112.
  • longitudinal conveying is provided.
  • the workpiece longitudinal direction 140 is aligned parallel to the conveying direction 112.
  • the Fig. 11 to 15, 20 and 21 show different variants for supplying a gas flow to the treatment space 110.
  • Fig. 16 to 18, 22 and 23 show different variants for the removal of the gas stream from the treatment space 110.
  • Fig. 19 and 24 show exemplary complete flows, in particular including a variant of a gas supply and a variant of a gas discharge, wherein a workpiece 104 designed as a vehicle body 106, for example, flows through the gas flow along the workpiece longitudinal direction 140 from back to front.
  • all variants of the gas supply can be combined with all variants of the gas removal.
  • a supply of the gas stream is provided on one side of the workpiece 104 and a discharge of the gas stream on a side of the workpiece 104 opposite this side.
  • At least one inlet opening 126 is provided in a top wall 122 of the housing 108.
  • the inlet opening 126 is designed in such a way that a gas stream flowing through it can flow through the inlet opening 170 into the workpiece interior 168 of the workpiece 104.
  • an oblique supply of the gas flow is provided in a region of the upper side of a vertical side wall 116 with respect to the direction of gravity 118.
  • the gas flow strikes obliquely from above on the front hood 156 of the workpiece 104 and is then fed to the inlet opening 170 of the workpiece interior 168.
  • At least one inlet opening 126 arranged in the oblique section 158 of a dividing wall 128 is provided.
  • an inlet opening 126 arranged in a lower region of a vertical side wall 116 relative to the direction of gravity 118 is provided.
  • three inlet openings 126 arranged distributed along the workpiece longitudinal direction 140 are provided in the bottom wall 120.
  • the workpiece 104 can be flowed through in particular against the direction of gravity 118 from bottom to top with the gas stream.
  • an outlet opening 132 is provided in the region of the vehicle rear 162 in the bottom wall 120 of the housing 108.
  • FIG. 17 is provided at least one outlet opening 132 in the region of the vehicle rear 162 in the side wall 116.
  • a gas discharge is provided in a direction parallel to the conveying direction 112, in particular with respect to the workpiece longitudinal direction 140 to one or both sides of the workpiece 104.
  • outlet openings 132 are provided in the region of the rear of the vehicle 162.
  • an inlet port 126 is provided in the ceiling wall 122 such that a gas flow is directed into an entrance port 170 between two C pillars 166 of the workpiece 104 formed as a vehicle body 106.
  • the gas flow passed through the workpiece interior 168 can finally be discharged from the treatment space 110 in a lower region of a vertical side wall 116 with respect to the direction of gravity 118 via an outlet opening 132 arranged there.
  • the gas supply according to FIG. 20 corresponds to that of FIG. 11th
  • the gas supply according to FIG. 21 corresponds to that of FIG. 15th
  • the gas discharge according to FIG. 22 corresponds to that of FIG. 16.
  • the gas discharge according to FIG. 23 corresponds to that of FIG. 18th
  • the flow through the workpiece 104 according to FIG. 19 is likewise provided in the variant according to FIG. 24.
  • the workpieces 104 are therefore preferably transported clocked by means of the conveying direction 114 and in particular stopped at preferred holding positions, as shown for example in Fig. 24.
  • FIG. 25 illustrated further embodiment of a treatment plant 100 differs from the example shown in FIG. 1 illustrated essentially in that the treatment plant 100 includes a lock 210.
  • the treatment plant 100 comprises a circulating air module 196 and a flushing module 198.
  • the circulating air module 196, the flushing module 198 and the lock 210 are arranged in succession along the conveying direction 112 in succession.
  • the treatment plant 100 preferably comprises a gas guide such that the lock 210 can be supplied with unloaded gas, for example a fresh air stream.
  • the lock 210 is thus in particular an air lock.
  • Gas passed through the lock 210 in particular a lock gas stream, can preferably be fed to the flushing module 198 by means of the gas guide of the treatment installation 100.
  • the gas stream in the rinsing module 198 is passed through the treatment chamber 110, in particular the workpiece interior 168, as purge gas flow, in order to completely dissipate any impurities contained therein and to remove it from the workpiece interior 168 and / or the treatment chamber 110.
  • the impurities are especially solvent vapors.
  • the purge gas stream removed from the purge module 198 may preferably be reused. For example, this can be added at least partially as a supply air to a circulating air module 196. Furthermore, a feed to an (not shown) exhaust gas purification device may be provided.
  • the described gas routing of the treatment plant 100 can in particular make energy-efficient operation of the treatment plant 100 possible.
  • FIG. 25 illustrated embodiment of a treatment plant 100 preferably in terms of structure and function with the first embodiment shown in FIG. 1 match, so that reference is made to the above description in this regard.
  • FIG. 26 A schematically illustrated in Fig. 26 another embodiment of a
  • Treatment plant 100 differs from the embodiment illustrated in FIG. 25 essentially in that treatment plant 100 comprises, in addition to a heat section 204 formed by one or more circulating air modules 196, a flushing section 212 and a cooling section 214 formed, for example, by a flushing module 198. Furthermore, two locks 210 are preferably provided, wherein a
  • Lock 210 separates the heat section 204 from the flush section 212.
  • the further lock 210 separates the flushing section 212 from the cooling section 214.
  • the heat section 204, a lock 210, the flushing section 212, the further lock 210 and the cooling section 214 are preferably arranged successively in this order with respect to the conveying direction 112.
  • the treatment installation 100 illustrated in FIG. 26 preferably comprises a gas feed, in which a fresh air gas flow can be fed to a lock 210 or the flushing section 212.
  • a purge gas flow passed through the purge section 212 is preferably supplied to the heat section 204.
  • a supply is provided at an end 216 of the heat section 204 facing away from the flushing section 212.
  • Gas flow is preferably carried out at a purge section 212
  • FIG. 27 illustrated embodiment of a treatment plant 100 differs from that shown in FIG. 26 illustrated embodiment in
  • the treatment plant 100 comprises two heat sections 204, between which a by means of two locks 210 separated rinsing section 212 is arranged.
  • a further lock 210 is preferably arranged between the rear heat section 204 and the cooling section 214 with respect to the conveying direction 112.
  • the purge gas flow passed through the purge section 212 is divided and a partial gas flow is supplied to an end 216 of each heat section 204 facing away from the purge section 212.
  • Due to the selected gas guide results in the in Fig. 27 illustrated embodiment of the treatment plant 100 is a flow through the front with respect to the conveying direction 112 heat section 204 preferably in the conveying direction 112, while the rear with respect to the conveying direction 112 heat section 204 is preferably against the conveying direction 112 flows through.
  • By guiding the gas flow in countercurrent in relation to the conveying direction 112 rear heat section 204 is preferably results in a particularly low discharge of solvent the environment .
  • Fig. 27 illustrated embodiment of a
  • Treatment plant 100 in terms of structure and function with the in Fig. 26 illustrated embodiment, so that reference is made to the above description thereof in this regard.
  • Figs. 28 to 32 different variants of conveying devices 114 are shown.
  • the conveying devices 114 are provided for conveying the workpieces 104 along an overall conveying path 220.
  • This overall conveying path 220 preferably extends through all sections of the treatment plant 100, in particular through the heating section 204, a flushing section 212 and / or a cooling section 214 or through a plurality of said sections 204, 212, 214.
  • conveyance through one or more locks 210 is also provided by means of the respective conveyor device 114.
  • the conveying device 114 comprises a transfer device 222.
  • a transfer device 222 By means of such a transfer device 222 is in particular a connection between two, for example, at an angle of 90 ° colliding partial conveying sections 224 of the entire conveyor line 220 produced.
  • the transfer device 222 By means of the transfer device 222, in particular a transfer of the workpieces 104 from a partial conveyor section 224 to the further partial conveyor section 224 is possible such that the workpieces 104 maintain a global rotational orientation relative to the treatment system 100 unchanged.
  • a longitudinal conveying of the workpieces 104 is provided in a first partial conveying section 224a and this partial conveying section 224a strikes a perpendicular thereto second partial conveying section 224b, results in unaltered Drehauscardi of the workpieces 104 in the region of the second partial conveying section 224b a cross-promotion.
  • a conveyor 114 according to the in Fig. 28 embodiment is particularly suitable when a lock 210 must be traversed with the smallest possible cross-section, but after a transverse promotion is preferred.
  • An embodiment of a conveying device 114 shown in FIG. 29 differs from the embodiment shown in FIG. 28 in FIG.
  • a conveying device 114 substantially comprises two conveying devices 114 in accordance with the embodiment shown in FIG. 29 illustrated embodiment, which are arranged and designed such that the workpieces 104 are initially displaceable laterally and then be brought back to an original conveyor straight.
  • a further embodiment of a conveying device 114 shown in FIG. 30 differs from that shown in FIG. 28 embodiment essentially in that the conveyor device 114 comprises two rotary devices 226.
  • the workpieces 104 are preferably rotatable about a vertical axis of rotation 228.
  • a global rotational orientation of the workpieces 104 relative to the treatment plant 100 is variable, in particular without a general conveying direction 112 in two connected to one another by means of the respective rotary device 226
  • the workpieces 104 are initially conveyed aligned perpendicular to the conveying direction 112, that is, a transverse conveying is provided.
  • a rotation of the workpieces 104 is then preferably performed in front of a lock 210 in order to convert the transverse conveying into a longitudinal conveying.
  • the workpieces 104 are then passed through the lock 210 in this longitudinal orientation and subsequently rotated again by means of a further rotation device 226 in order to ultimately continue the transverse conveyance.
  • the conveying direction 112 preferably does not change.
  • FIG. 30 preferably corresponds in terms of structure and function to that shown in FIG. 28, so that reference is made to the above description thereof.
  • An embodiment of a conveying device 114 shown in FIG. 31 differs from the embodiment shown in FIG. 28 in FIG.
  • the conveyor device 114 comprises both a rotary device 226, as well as a transfer device 222 and a lifting device 230.
  • This conveying device 114 can be used in particular in a treatment plant 100, which is designed as a so-called A-dryer.
  • the treatment plant 100 comprises a heating section 204 and / or a flushing section 212, which with respect to the
  • Gravity direction 118 in particular completely, above a cooling section 214 is arranged. In this way, an undesired heat leakage from the heat section 204 can be avoided or at least reduced.
  • the workpieces 104 can preferably be conveyed through the heat section 204 along a first part-conveying path 224 and can be fed to the rinsing section 212.
  • the rinsing section 212 is preferably separable from the heating section 204 and / or the cooling section 214 by means of two mechanical separating elements 232.
  • a separating element 232 may be formed, for example, as a roller door or lifting gate, which can be introduced between the heating section 204 and the flushing section 212.
  • Another separating element 232 is, for example, a bottom plate 234 of the lifting device 230.
  • the bottom plate 234 in particular closes an interior of the flushing section 212 in the direction of gravity 118 downwards when the lifting Device 230 is in a raised position, for example, to accommodate workpieces 104 at the level of the heat section 204 can.
  • a transfer device 222 may optionally be provided.
  • the workpieces 104 can be lowered from the level of the heating section 204 to the level of the cooling section 214 and then, in particular by means of an optional transfer device 222, transferred to a further partial conveying section 224.
  • a global rotational alignment of the workpieces 104 relative to the treatment installation 100 is changed by means of one or more rotary devices 226.
  • a rotary device 226 together with the lifting device 230 may form an integrated handling device 236.
  • the workpieces 104 are simultaneously rotated about a vertical axis of rotation 228 during lifting or lowering by means of the lifting device 230.
  • FIG. 31 of a conveying device 114 and / or the entire processing installation 100 is identical in construction and function to one or more of the embodiments described above, so that reference is made to the above description thereof.
  • An embodiment of a conveying device 114 shown in FIG. 32 differs from that shown in FIG. 30 illustrated embodiment in
  • a longitudinal conveyance of the workpieces 104 is thus preferably provided in order to be able to pass the workpieces 104 through the lock 210 with the smallest possible cross section.
  • the longitudinal conveying can be converted into a transverse conveying.
  • FIG. 32 of a conveyor device 114 is identical in construction and function to the one shown in FIG. 30 illustrated embodiment, so that reference is made to the above description thereof in this regard.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)
  • Tunnel Furnaces (AREA)
  • Threshing Machine Elements (AREA)
  • Furnace Details (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Special Conveying (AREA)
  • Coating Apparatus (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

L'objectif de l'invention est d'obtenir une installation de traitement de pièces de conception simple, qui permet un traitement de pièces optimisé. A cette fin, l'installation de traitement comprend une chambre de traitement et un dispositif de transport au moyen duquel les pièces peuvent être introduites dans la chambre de traitement, sorties de cette chambre, et/ou transportées dans une direction de transport à travers la chambre de traitement.
EP16745462.8A 2015-07-31 2016-07-29 Installation de traitement et procédé pour traiter des pièces Active EP3329198B1 (fr)

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DE102015214711.8A DE102015214711A1 (de) 2015-07-31 2015-07-31 Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
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JP (1) JP6898302B2 (fr)
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DE102018115235A1 (de) * 2018-06-25 2020-01-02 Eisenmann Se Durchlauftrockenanlage und Verfahren zum Trocknen von Werkstücken
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CN107690561B (zh) 2021-08-03
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US20180259262A1 (en) 2018-09-13
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CN107690561A (zh) 2018-02-13
US10697702B2 (en) 2020-06-30
EP4036506A2 (fr) 2022-08-03
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US11674752B2 (en) 2023-06-13
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