EP4264154A1 - Dispositif de séparation, installation de traitement et procédé de traitement de pièces - Google Patents

Dispositif de séparation, installation de traitement et procédé de traitement de pièces

Info

Publication number
EP4264154A1
EP4264154A1 EP21834720.1A EP21834720A EP4264154A1 EP 4264154 A1 EP4264154 A1 EP 4264154A1 EP 21834720 A EP21834720 A EP 21834720A EP 4264154 A1 EP4264154 A1 EP 4264154A1
Authority
EP
European Patent Office
Prior art keywords
separating
guide
separating device
devices
approximately
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.)
Pending
Application number
EP21834720.1A
Other languages
German (de)
English (en)
Inventor
Oliver IGLAUER-ANGRIK
Kevin Woll
Andreas Neu
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
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP4264154A1 publication Critical patent/EP4264154A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413—Heating with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—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
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F26B25/12—Walls or sides; Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • 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 separating device which can be used, for example, as a lock in a treatment plant for treating workpieces.
  • the present invention also relates to a treatment system for treating workpieces and a method for treating workpieces.
  • the workpieces to be treated are in particular vehicle bodies, with a treatment process being, for example, a coating process, in particular a painting process, or a drying process.
  • drying of the workpieces is a treatment of the workpiece in such a way that a layer previously applied to the workpiece dries and/or hardens on the workpiece in order to complete a coating process.
  • Locks for example hot-air locks
  • heated fresh air can be supplied to a lock, which is then contaminated by mixing with solvent-laden air from a treatment room in such a way that it has to be thermally cleaned as exhaust air. This results in a high energy requirement for the operation of the lock.
  • a sluice is known from WO 2020/001706 A1, for example, in which a mechanical component for at least partially closing an opening cross section of the sluice can be selectively introduced into or removed from a conveying path for conveying the workpieces.
  • a mechanical component for at least partially closing an opening cross section of the sluice can be selectively introduced into or removed from a conveying path for conveying the workpieces.
  • the intended flow control can occasionally lead to the formation of condensate, especially in the case of high solvent concentrations.
  • the object of the present invention is therefore to provide a separating device for separating two spatial areas, which has an optimized separating effect and/or increased energy efficiency.
  • this object is achieved by a separating device according to independent claim 1 .
  • the separating device preferably comprises one or more guide devices, by means of which at least one separating fluid can be introduced into a connecting area arranged or formed between the two spatial areas.
  • the separating device comprises a movable screen element, which can be introduced into the connection area or removed from the same in order to optionally reduce or increase an opening cross section of the connection area.
  • a combination of several, for example two, guide devices with a movable screen element is particularly preferred.
  • the separating device is in particular a lock device and is used to minimize fluid exchange between the two spatial areas.
  • the separating device comprises at least one supply device for supplying at least one separating fluid to the one or more guide devices.
  • the separating device comprises a plurality of supply devices for supplying different separating fluids to a plurality of guide devices.
  • the movable screen element can preferably be moved automatically, in particular by a motor, into the connection area or removed from it, in particular only for the duration of conveying one or more workpieces out of the connection area.
  • the moveable screen member is preferably a different device from the one or more guide devices.
  • the movable screen element is a screen that reduces the opening cross section of the connection area at least when the movable screen element is in the inserted state.
  • the one or more guide devices are each designed as a screen reducing the opening cross section of the connection area, in particular in relation to a spatial delimitation of the connection area formed by a top wall, a bottom wall and two side walls.
  • the separating device preferably comprises a drive device for driving the shutter element and a positioning device, preferably different therefrom, by means of which the shutter element can be brought into the open position automatically if the drive device fails.
  • the screen element is preferably arranged on a rotatable shaft or comprises a rotatable shaft.
  • the screen element in particular a guide plate of the screen element, is preferably arranged such that it can pivot about a substantially horizontal axis.
  • the screen element is preferably arranged on an upper side of the connection area with respect to the direction of gravity, in particular in the area of a top wall of the connection area.
  • the screen element can be introduced into the connection area from above, in particular pivoted.
  • the separating device or a treatment system provided with the separating device comprises a conveyor system for conveying the workpieces, with the screen element preferably protruding into a movement path of the workpieces when it is in a closed position.
  • a control device and/or sensor device of the separating device by means of which a workpiece that is approaching the connection area between the two spatial areas or is already arranged in front of or in the connection area can be determined, with the control device and/or the sensor device preferably being used the movable panel element can be brought from a closed position into an open position and a movement path of the workpiece in the connection area can thereby be released.
  • the conveyor system comprises an acceleration device, by means of which a workpiece can be conveyed through the connection area at an increased speed and/or with a reduced cycle time compared to a conveying speed and/or cycle time in the treatment room.
  • a conveyor system is in particular a conveyor device, for example a cycle conveyor, rail conveyor, roller conveyor, etc.
  • the separating device comprises at least two guiding devices for supplying at least two separating fluids in the connection area.
  • the separating device preferably comprises two feed devices, with a respective separating fluid being able to be fed to a respective guide device by means of a respective feed device.
  • At least one separating fluid is preferably fresh air or comprises fresh air, for example heated fresh air.
  • the at least two separating fluids are formed by a separating fluid formed as fresh air and a separating fluid formed as circulating air.
  • the separating device preferably comprises at least two guide devices for supplying at least two different separating fluids to the connection area.
  • a first separating fluid in particular fresh air, for example heated fresh air, can preferably be supplied to the connection area by means of a first of the guide devices.
  • a second separating fluid in particular circulating air, can preferably be supplied to the connection area by means of a second of the guide devices.
  • the separating fluids are preferably separating fluids that differ from one another with regard to their respective chemical composition and/or their respective temperature.
  • the first separating fluid in particular fresh air
  • the second separating fluid can preferably be discharged from a treatment room and fed to one of the guide devices, preferably that guide device which is arranged on a side of the separating device which faces a spatial area configured as a treatment room, for example.
  • Such an arrangement is advantageous, for example, when the treatment room is a drying room of a dryer, in particular a heating area or a holding area of a dryer.
  • the first separating fluid in particular fresh air
  • the first separating fluid can be sucked in and/or conditioned, in particular from an area surrounding the separating device, and can then be fed to one of the guiding devices, preferably that guiding device which is arranged on one side of the separating device which, for example, is Treatment room trained spatial area facing.
  • the second separating fluid in particular circulating air, can then preferably be discharged from a treatment room and fed to one of the guide devices, preferably that guide device which is arranged on a side of the separating device which faces away from a room area designed as a treatment room, for example.
  • Such an arrangement is advantageous, for example, when the treatment space is a cooling zone.
  • the separating device comprises a separating fluid return, by means of which fluid, in particular the first separating fluid, can be removed from a part of the connection region that has been subjected to a separating fluid, in particular the first separating fluid, and again to the guide device for supplying this fluid, in particular the first separating fluid , can be fed.
  • a separating fluid in particular a second separating fluid, for example circulating air, can be used to separate a spatial area from a part of the connection area which is acted upon by the further separating fluid, in particular the first separating fluid.
  • the further separating fluid in particular the first separating fluid, is thereby protected from severe contamination and can consequently be used several times, in particular recycled or at least partially circulated. If fresh air is used as the first separating fluid, a continuous admixture of fresh air supplied from outside to the fresh air circulated can be provided.
  • the separating fluid return preferably comprises one or more suction devices, in particular one or more floor suction devices, for example one or more suction slots.
  • a bottom suction device in particular a suction slot, can be provided as a component of a separating fluid return or also separately thereto, for example for discharging exhaust air to an environment or to an exhaust air after-treatment, with the bottom suction device preferably being arranged in a floor area and/or a floor wall of the connection area and/or or is designed and is used to suck off fluid, in particular separating fluid, which is arranged directly above the floor suction.
  • the suction slot preferably extends transversely, for example perpendicularly, to a conveying direction and/or connecting direction.
  • a floor suction is arranged in such a way that a flow of separating fluid generated by means of a guide device is directed onto the floor suction.
  • the floor suction is preferably arranged and/or formed in an imaginary extension of one of the guide devices in the bottom wall of the connection area. It can be favorable if the floor suction comprises one or more suction slots and/or one or more suction slot sections of one or more suction slots.
  • a suction slot which extends transversely, in particular essentially perpendicularly, to a conveying direction and/or connecting direction is designed with one or more interruptions, for example for the passage or assembly of components of a conveyor system for conveying workpieces.
  • Such a suction slot is then formed, in particular, from a plurality of suction slot sections, which are aligned along a common main extension direction and are arranged one after the other along this direction.
  • several suction slot sections are arranged offset to one another with respect to the connection direction or conveying direction, in particular corresponding to an imaginary extension of guide element sections of one or more guide elements.
  • a floor suction is preferably arranged in a floor area between two guide devices, in particular with respect to a connecting direction or conveying direction.
  • the floor suction is in particular an intermediate suction for sucking off fluid in a part of the connecting area arranged between the two spatial areas, in particular between two guide devices.
  • a standard volume flow or operating volume flow of the first separating fluid, in particular fresh air is at least approximately 2000 m 3 per hour, in particular at least approximately 3000 m 3 per hour, for example at least approximately 4000 m 3 per hour. Furthermore, it can be provided that a standard volume flow or operating volume flow of the first separating fluid, in particular fresh air, is at most approximately 10,000 m 3 per hour, in particular at most approximately 8,000 m 3 per hour, for example at most approximately 7,000 m 3 per hour.
  • a standard volume flow or operating volume flow of the second separating fluid, in particular circulating air is at least approximately 4,000 m 3 per hour, in particular at least approximately 6,000 m 3 per hour, for example at least approximately 8,000 m 3 per hour.
  • a standard volume flow or operating volume flow of the second separating fluid, in particular circulating air is at most approximately 25,000 m 3 per hour, in particular at most approximately 18,500 m 3 per hour, for example at most approximately 12,000 m 3 per hour.
  • a standard volume flow or operating volume flow of the second separating fluid, in particular circulating air is greater than a standard volume flow or operating volume flow of the first separating fluid, in particular fresh air, for example by at least 50%, preferably by at least 100%.
  • a standard volume flow is, in particular, a volume flow of the fluid in question if it had standard conditions according to DIN 1343.
  • An operating volume flow is in particular an actual volume flow of the relevant fluid during operation of the separating device, in particular determined on or related to the respective volume flow when it is supplied to the connection area.
  • One or more floor suction devices are preferably provided and/or arranged in the connection area and form, for example, intermediate suction devices.
  • provision can be made for one or more floor suction devices to be arranged in one of the spatial areas, for example in a treatment room. It can then be favorable if one or more guide devices are arranged and/or aligned in such a way that a flow of separating fluid generated by means of these guide devices is directed in the direction of the spatial area and thus out of the connection area in the direction of the one or more floor suction devices in the spatial area.
  • the one or more floor suction devices then preferably form upstream or downstream suction devices outside of the connection area with respect to a conveying direction or connection direction.
  • Such upstream or downstream suction can in particular optimize a separating fluid flow, preferably to the effect that a thermal pressure from the spatial area, in particular from the treatment room, can be counteracted.
  • the one or more guide devices are each designed as a fixed, immovable screen element.
  • the one or more guide devices in particular the first guide device and/or the second guide device, preferably each comprise two guide elements, in particular guide plates.
  • the guide elements are preferably aligned at least approximately parallel to one another.
  • the guide elements in particular the guide plates, form a feed opening for feeding the at least one separating fluid to the connection area at a lower end thereof with respect to a direction of gravity.
  • the feed opening is in particular a feed slot, which preferably extends over at least approximately 50%, preferably at least approximately 70%, for example at least approximately 90% of the total width of a conveying path and/or the connecting area.
  • the lower end of the guide elements is preferably adapted to a contour of the workpieces, for example at least approximately complementary to an upper side of an outer contour of a workpiece to be conveyed through the connecting region.
  • the guide elements are therefore preferably used to form screens which reduce an opening cross section of the connection area at least approximately to that shape and/or that cross section which is required for conveying the workpieces through the connection area.
  • each individual guide device preferably has such a contour adaptation.
  • the guide elements in particular the guide plates, can each be designed in one piece or in multiple pieces.
  • the guide elements each comprise or form a plurality of guide element sections, which form screen sections of a screen and/or feed opening sections of a feed opening, in particular a feed slot.
  • each guide element can in particular be arranged at a distance from one another and together with a base body of the guide device form a continuous feed opening, in particular a continuous feed slot.
  • the base body is in particular a feed funnel for supplying a separating fluid to the guide elements of the guide device, but can also serve or be designed as guide elements at least in sections, particularly in the area in which there is no separate guide element or no separate guide element section for forwarding the separating fluid to the base body arranged, in particular fixed, is.
  • a maximum spacing of the guide devices from one another is preferably less than a maximum width of the connection area in a transverse direction running horizontally and perpendicular to the connection direction or conveying direction, in particular at most approximately half the maximum width of the connection area in a transverse direction running horizontally and perpendicular to the connection direction or conveying direction.
  • a maximum distance between the guide devices is less than half a maximum width of the connection area in a transverse direction running horizontally and perpendicularly to the connection direction or conveying direction.
  • the one or more guide devices are each arranged in such a way that an outflow direction of the separating fluid flowing out of a respective feed opening of the respective guide device runs obliquely to the direction of gravity.
  • the guide elements are preferably aligned at an angle to the direction of gravity.
  • An angle enclosed between the outflow direction and a horizontal line perpendicular to the direction of gravity and/or between the guide elements and the horizontal line is preferably between approximately 45° and approximately 85°, for example between approximately 60° and approximately 75°.
  • An optimized flow guidance in the separating device in particular an optimized formation of flow rollers, can preferably be achieved by the angular orientations mentioned.
  • the separating device comprises a plurality of guiding devices
  • the plurality of guiding devices in particular the first guiding device and/or the second guiding device, are arranged relative to one another in such a way that outflow directions of the separating fluid flowing out of a respective feed opening of the respective guiding device differ from one another Include angles with the horizontal.
  • the guide elements, in particular the guide plates, of different guide devices enclose different angles with the horizontal.
  • the outflow directions of the separating fluid flowing out of a feed opening of a first guide device and/or the guide elements, in particular guide plates, of the first guide device form an angle of between approximately 62° and 66°, for example approximately 64°, with the horizontal and/or the conveying direction °, include.
  • an outflow direction of the separating fluid flowing out of a feed opening of a guide device, in particular the second guide device, and/or the guide elements, in particular the guide plates, of this guide device form an angle of between approximately 68° and 72°, in particular approximately 70° °, with the horizontal and/or the conveying direction.
  • one or more of the guide elements each comprise a plurality of guide element sections which have different angular orientations from one another. In this way, in particular, a different guide length for guiding the separating fluid in the connection area can be compensated for.
  • one or more guide element sections of one or more guide elements which are shortened in comparison to one or more other guide element sections of this one or these several guide elements, enclose a larger angle with the horizontal and/or the conveying direction than this one or these several other guide element sections.
  • one or more guide elements are each designed in two parts, three parts or more than three parts and that one or more centrally arranged guide element sections are shorter with respect to a main flow direction of the separating fluid within the respective guide element section and form a larger angle with the horizontal and / or enclose the conveying direction as one or more further guide element sections of the respective guide element.
  • adjoining or spaced-apart guide element sections of one or several guide elements form an angle with one another which is at least approximately 5°, for example at least approximately 8°.
  • guide element sections of one or more guide elements which are adjacent to one another or arranged at a distance from one another enclose an angle which is at most approximately 20°, for example at most approximately 15°.
  • Two guide devices of the separating device are preferably arranged at a distance from one another, in particular in such a way that they do not overlap one another despite their oblique orientation, for example, in particular with regard to a top view along the direction of gravity from above.
  • the optional movable screen element is preferably arranged between two of the guide devices with respect to a connection direction, which is aligned essentially perpendicularly to a parting plane separating the two spatial regions from one another.
  • the connecting direction is in particular parallel to the conveying direction along which the workpieces can be conveyed through the connecting area.
  • the movable screen element is preferably arranged between two guide devices with respect to the conveying direction along which objects, in particular workpieces, can be conveyed from one of the spatial regions into another of the spatial regions.
  • a first of the spatial areas is a treatment room for treating workpieces and/or that a second of the spatial areas is a treatment room for treating workpieces.
  • the first spatial area is, for example, a holding zone for holding the workpieces at a predetermined temperature.
  • the second spatial area is, for example, a cooling zone for cooling down the workpieces.
  • the separating device can be provided, for example, in a treatment device in such a way that the first spatial area is an area surrounding the treatment system or a painting zone.
  • the second spatial area is then, for example, an evaporation zone and/or a heating zone.
  • the separating device can in particular be an intermediate lock between two treatment systems and/or treatment rooms or an external lock at an inlet or outlet of the treatment system.
  • each guide device in particular the at least two guide elements of each guide device, are arranged at least approximately parallel to one another.
  • one or more or all guide elements of each guide device in particular the at least two guide elements of each guide device, enclose an angle of at most approximately 10°, in particular at most approximately 5°, preferably at most approximately 2°.
  • the separating fluid is in particular air, for example conditioned and/or cleaned fresh air and/or ambient air and/or hall air.
  • the separating device preferably enables a fluid-effective separation of the two spatial areas, which means that the fluids arranged in the respective spatial area are not or only slightly mixed with one another across the space.
  • the separating device serves in particular to reduce or prevent a fluid exchange between the fluids arranged in the two spatial areas.
  • the separating device can preferably be used to prevent hotter air from one of the room areas from being mixed with colder air from the other of the two room areas.
  • One or more or all of the guide elements preferably extend downwards, starting from a ceiling area of one of the room areas or both room areas.
  • one or more or all of the guide elements are arranged, in particular fixed, on a ceiling of one or both spatial areas and extend downwards starting from this ceiling.
  • a ceiling is in particular a wall delimiting a room area or the two room areas at the top.
  • one or more or all of the guide elements extend in the horizontal direction over the entire width of the passage opening, which connects the two spatial areas to one another.
  • a separating fluid curtain in particular an air curtain
  • a separating fluid curtain can preferably be produced, which preferably extends over at least approximately 70%, for example at least approximately 90%, of a Width of a passage opening connecting the two spatial areas.
  • the separating fluid curtain, in particular the air curtain preferably extends over the entire width of the passage opening connecting the two spatial areas with one another.
  • one or more or all of the guide elements comprise metal plates or are formed from metal plates.
  • One or more or all of the guide elements are preferably planar and/or flat.
  • one or more or all of the guide elements in two main directions of extent extend at least 100 times, preferably at least 500 times, than in their respective thickness direction, which is perpendicular to the two main directions of extent.
  • a distance between two guide elements is at most approximately 20 times, for example at most approximately 10 times, a material thickness of one or both guide elements.
  • a distance between the two guide elements can be at most approximately 5 cm, for example at most approximately 2 cm.
  • At least two guide elements are connected to one another, for example by means of webs which extend in particular parallel to a main flow direction of the separating fluid in the area between the at least two guide elements.
  • one or more or all guide elements are at least approximately 5%, for example at least approximately 10%, preferably at least approximately 20%, of a maximum or average Height of a passage opening connecting the two spatial areas extend.
  • At least approximately 50%, preferably at least approximately 80%, for example at least approximately 90%, in particular 100%, of a volume flow of the separating fluid to be introduced between the two spatial areas between the guide elements, in particular between the two guide elements, can be introduced through between the two spatial areas.
  • the separating fluid can only be introduced between the two guide elements and between the two spatial regions.
  • the guide device thus preferably comprises no further supply opening for supplying separating fluid than the supply opening which is formed at an end region of the same formed by the at least two guide elements.
  • the at least two guide elements form in particular a single and/or continuous slotted nozzle for feeding the separating fluid between the two spatial areas.
  • the separating device comprises a blocking device for blocking the separating fluid.
  • the blocking device preferably comprises one or more blocking elements which prevent or at least reduce the spread of a flow of separating fluid into at least one of the two spatial areas.
  • One or more blocking elements are preferably arranged in a floor area of the separating device, for example arranged and/or fixed on a floor of one or both spatial areas.
  • One or more or all of the blocking elements are preferably designed as impact elements, in particular impact plates.
  • one or more or all of the blocking elements extend upwards from the base area, in particular from the base, in particular extend at least approximately vertically upwards.
  • the blocking elements of the blocking device are arranged offset parallel to a separating plane along which the two spatial regions can be separated from one another by means of the separating device.
  • the parting plane is in particular formed at least approximately perpendicularly to a conveying direction along which objects, in particular workpieces, can be conveyed through the connecting area.
  • the separating device comprises a discharge device for discharging the separating fluid.
  • the discharge device is arranged in particular in a floor area of the separating device, for example integrated into a floor of the connection area and/or one or both spatial areas.
  • the removal device preferably comprises one or more suction slots which are arranged in particular partially or at least approximately completely parallel to the parting plane of the parting device.
  • suction slots run along one or more planes which are offset parallel to the parting plane.
  • One or more or all suction slots are preferably arranged and/or formed uninterruptedly along the respective plane or arranged and/or formed in multiple parts and interrupted.
  • the discharge device in particular an outlet opening, for example a suction slot, on the one hand and one or more blocking elements of a blocking device of the separating device on the other hand are arranged on opposite sides of a separating plane of the separating device.
  • One or more or all of the blocking elements of the blocking device are preferably offset relative to the parting plane, in particular starting from the parting plane, towards one of the spatial areas, while one or more or all outlet openings, in particular suction slots, preferably relative to the parting plane, in particular starting from the parting plane , are arranged offset towards the other of the two spatial areas.
  • Such an arrangement can make it possible, in particular, for one or more separating fluid curtains to extend downwards essentially along the separating plane from the one or more guide elements and to be sucked off on one side in a bottom region of the separating device, with a flow propagation to the other side being simultaneously ensured of the one or more blocking elements is prevented or at least reduced.
  • the separating device can comprise one or more blocking elements which influence the propagation of a flow, in particular locally blocking or deflecting it.
  • the blocking elements are in particular part of a blocking device or form such a blocking device.
  • the one or more blocking elements preferably reduce or prevent a propagation of one or more separating fluid streams into at least one of the two spatial areas adjacent to the connection area.
  • a deflection area is preferably formed between each two blocking elements.
  • three blocking elements and two deflection areas arranged between them are provided.
  • the blocking elements are preferably arranged consecutively and spaced apart from one another along the connection direction.
  • the blocking elements are preferably essentially plate-like, in particular as impact plates. Furthermore, it can be provided that the blocking elements are aligned at least approximately perpendicular to the direction of connection.
  • the one or more blocking elements each preferably extend over at least about 40%, preferably at least about 60%, in particular at least about 80% of a total clear width of the connection region taken in the transverse direction.
  • a distance between two directly consecutive blocking elements is preferably at least approximately 50%, in particular at least approximately 80%, for example at least approximately 100%, and/or at most approximately 200%, preferably at most approximately 150%, of a total extent of a guide device along the connection direction.
  • the formation of a flow roller that is advantageous for the separating effect of the separating device can be optimized.
  • a blocking element with regard to the connection direction which corresponds in particular to the conveying direction, at least approximately in an area of an upper end of one of the guide devices and/or an, in particular further, blocking element with regard to the connection direction at least approximately in an area of a lower end of a ,
  • This guide device serves in particular to guide fresh air and/or to form one or two fresh air cylinders.
  • An arrangement in an "area” is to be understood in particular as a deviation of the position along the connection direction of at most approximately 30 cm, in particular at most approximately 15 cm.
  • a distance between these two blocking elements is, for example, at least approximately 700 mm, in particular at least approximately 850 mm, and/or at most approximately 1200 mm, preferably at most approximately 1000 mm.
  • a blocking element in particular a third blocking element, with respect to the connection direction at least approximately in one Be arranged area of a lower end of another of the guide devices.
  • a flow roller can then be produced between the two guide devices.
  • a distance of this blocking element from the nearest of the two further blocking elements is, for example, at least approximately 1000 mm, in particular at least approximately 1200 mm, and/or at most approximately 1500 mm, preferably at most approximately 1400 mm.
  • This further guide device serves in particular to guide circulating air, with the circulating air flowing in particular over the third blocking element into an inflow area, in particular into a drying chamber of a dryer.
  • the separating device is particularly suitable for use in a treatment system for treating workpieces.
  • the present invention therefore also relates to a treatment system for treating workpieces, in particular a drying system for drying coated vehicle bodies.
  • the treatment plant preferably comprises the following: a treatment room for treating workpieces, which comprises one or more treatment room sections; at least one separating device for separating two spatial areas, in particular a separating device according to the invention, wherein at least one treatment chamber section forms one of the spatial areas, which can be separated from another of the spatial areas by means of the at least one separating device.
  • the treatment plant can comprise a number of separating devices, for example a number of separating devices according to the invention.
  • the treatment plant preferably has one or more of the features and/or advantages described in connection with the separating device.
  • the further spatial area is a further treatment room section of the treatment room.
  • the further spatial area is a spatial section of a device that is different from the treatment plant.
  • the further spatial area is an area surrounding the treatment plant.
  • the treatment system comprises a conveying device for conveying the workpieces, which in particular extends through the separating device along a conveying direction of the conveying device.
  • the parting plane of the parting device is then aligned in particular transversely, for example perpendicularly, to the conveying device.
  • the conveyor device is a cycle conveyor device.
  • the parting plane preferably runs between two immediately adjacent positions or places at which workpieces to be treated remain at least temporarily, for example due to a cycle conveyor.
  • a workpiece is preferably in each case in one of the Spatial areas arranged clock location (position, space) promoted to a subsequent, arranged in the other spatial area clock location (position, space).
  • an underside of one or more or all of the guide elements is designed at least in sections or at least approximately to complement a conveying contour of the workpieces to be conveyed by means of the conveying device.
  • an underside of one or more or all of the guide elements is at least partially and/or at least approximately complementary to an upper side of a spatial area swept over by the workpieces when conveying them along the conveying direction.
  • the one or more guide devices of the separating device are preferably designed to be adapted to a workpiece contour.
  • the underside of one or more or all of the guide elements has an area arranged further up in the vertical direction, which is shaped like a roof area of the vehicle body, while one is further down in the vertical direction arranged area of the underside of one or more or all guide elements is formed after a front hood area.
  • an intermediate area on the underside of one or more or all of the guide elements can be provided which is oriented obliquely to the vertical direction and connects the area arranged further up and the area arranged further down, which is shaped like a windshield area of the vehicle body.
  • the treatment system comprises a plurality of treatment room modules.
  • Each treatment room module preferably surrounds a treatment room section and/or forms a cycle station of a cycle conveyor device.
  • the separating device is arranged, for example, between two treatment room modules or is integrated between two treatment room modules.
  • One or both treatment room modules adjacent to a separating device preferably have no suction for an air circulation device.
  • flow guidance can preferably be optimized in favor of a separating fluid flow.
  • a separating fluid curtain for example an air curtain
  • a separating fluid curtain can be produced in a substantially vertical direction or at an angle thereto, in particular while minimizing a cross-flow of a circulating air stream that reduces the separating effect.
  • a method for separating two spatial areas can preferably be carried out by means of the separating device.
  • the method for separating two spatial areas by means of a separating device is in particular a method for separating two spatial areas by means of a separating device according to the invention.
  • a separating fluid is preferably introduced between the two spatial areas by means of a guide device.
  • the separating fluid is preferably guided by means of at least two guide elements.
  • the at least two guide elements are preferably designed as guide plates.
  • the at least two guide elements are arranged at least approximately parallel to one another.
  • the method for separating two spatial areas is particularly suitable for use in a method for treating workpieces.
  • the present invention therefore also relates to a method for treating workpieces, in particular for drying coated vehicle bodies.
  • the invention is based on the object of providing a method for treating workpieces, in which spatial regions to be separated from one another are separated from one another in an optimized manner with regard to the separating effect and/or energy efficiency.
  • the method for treating workpieces preferably includes the following:
  • One or more of the methods described preferably have one or more of the features and/or advantages described in connection with the separating device according to the invention and/or the treatment system according to the invention. Furthermore, the separating device, the treatment system and/or one or more of the methods described preferably have one or more of the features and/or advantages described below:
  • the separating device can, for example, form an inlet sluice/inlet sluice or outlet sluice/outlet sluice of any plant, for example a treatment plant.
  • the separating device can form an intermediate lock within a treatment plant or between two treatment plants.
  • the formation of one or more flow rolls is preferably prevented or at least minimized or optimized by means of the separating device.
  • the separating fluid is fed to one or more or all guide elements, in particular in an area between two guide elements, preferably via a funnel-shaped opening section, for example, which is arranged in particular in a ceiling area, for example on a ceiling wall.
  • a guide channel formed between the two guide elements is in fluid communication via the mouth section, preferably with a pressure space, which is formed, for example, in a pressure space box (fluid box) above one or both space areas.
  • Such a pressure chamber box can, for example, be provided with one or more filter elements and/or one or more blowers in order to clean and/or drive the separating fluid before it is fed between the two room areas.
  • the mouth section preferably extends at least approximately over the entire width of the at least two guide elements and/or the passage opening.
  • a temperature of the separating fluid is preferably higher than the temperature of the fluids in one or both spatial areas.
  • the feed is preferably designed to be self-regulating, in particular in order to achieve the most uniform possible air flow of the separating device.
  • a workpiece contour adaptation of the guide elements results in a flow path that varies across the width of the guide elements, in particular with regard to a guide-free flow path, with sections with a shorter guided flow path between the guide elements resulting in an overall lower flow resistance, so that despite different lengths of guide-free paths of the separating fluid, a preferably at least approximately uniform separating fluid flow can be obtainable.
  • a uniform veil of separating fluid can be produced in this way.
  • the separating device comprises a guiding device designed, for example, as a silhouette-based lock curtain, with the guiding device serving to separate a spatial area designed, for example, as a holding zone and, for example, with circulating air, in particular hot circulating air, from an adjacent treatment room, in particular Holding zone module fed to treatment plant.
  • a movable shutter element designed as a sluice shield is preferably provided, which serves as a purely physical barrier between cycle changes when it is brought into the connection area, in particular folded down, in particular to counteract thermal pressure from a hot atmosphere in the treatment room.
  • a further guide device is preferably provided in the embodiment, which is preferably designed as a silhouette-based lock curtain, for example, and which preferably serves to separate a room area designed, for example, as a cooling zone and/or which is fed with hot fresh air, for example.
  • the hot fresh air is conditioned, in particular heated, in particular by means of a fresh air heat exchanger (fresh air heat exchanger).
  • the one or more guiding devices are preferably aligned obliquely to the direction of gravity and obliquely to the horizontal in such a way that the separating fluid flowing out of the guiding devices has a flow component which counteracts a thermal pressure resulting from the temperature in one of the spatial regions.
  • a separating fluid stream can be stabilized, for example, by means of one or two floor suction devices, in particular by means of one or two floor suction devices for each guide device.
  • a floor suction can in particular be a slit suction in a floor wall of the connection area and/or a treatment room.
  • Supplied separating fluid can preferably be cleaned by means of one or more filter devices.
  • One or more filter devices are arranged in particular in a ceiling area, in particular above a ceiling wall of the connection area, and/or are accessible from the connection area.
  • the movable screen element When the movable screen element is in the connection area, it preferably borders on one of the guide devices.
  • a component of the screen element that generates the screen function in particular a guide plate (screen plate), runs at least approximately parallel and directly adjacent or adjacent a guide element, in particular a guide plate, of a guide device.
  • the movable screen element is thus preferably used to guide a flow of separating fluid, in particular a curtain of fresh air.
  • the described combination of one or more, in particular two, guide devices and a movable screen element can preferably significantly reduce a required fresh air volume flow for an efficient separating effect.
  • the workpieces are conveyed in a transverse orientation in which their longitudinal axis is aligned transversely, in particular perpendicularly, and preferably horizontally to the conveying direction.
  • the opening cross-sections formed by one or more guide devices in the connection area are preferably only partially reduced by means of one or more movable screen elements, in particular by a maximum of approximately 60%, preferably by a maximum of approximately 40%. Even then, an efficient separating effect between the spatial areas is preferably possible.
  • FIG. 1 shows a schematic perspective view of a treatment plant which includes a separating device for separating two spatial areas;
  • FIG. 2 shows a schematic vertical longitudinal section through the treatment plant from FIG. 1;
  • FIG. 3 shows a schematic vertical cross section through the treatment plant from FIG. 1;
  • FIG. 4 shows an enlarged vertical longitudinal section through the separating device of the treatment plant from FIG. 1;
  • FIG. 5 shows an enlarged representation of a guide device of the separating device
  • FIG. 6 shows an enlarged representation of a movable screen element and a further guide device of the separating device
  • FIG. 7 shows an illustration corresponding to FIG. 4 of an alternative embodiment of a bottom area of the separating device.
  • FIGS. 1 to 6 An exemplary embodiment of a treatment system 100 shown in FIGS. 1 to 6 serves to treat workpieces (not shown), for example vehicle bodies of passenger cars.
  • the treatment system 100 is used in particular for the coating or post-treatment of a coating.
  • the treatment system 100 is or includes a drying system or drying device for drying and/or curing a coating applied to a workpiece.
  • the treatment plant 100 comprises a plurality of spatial areas 102.
  • the treatment plant 100 is surrounded by one or more further spatial areas 102.
  • an area surrounding the treatment facility 100 is also a spatial area 102 within the meaning of the present description.
  • One or more spatial areas 102 within the treatment facility 100 are, for example, treatment rooms 104 for carrying out a treatment process.
  • the spatial areas 102 preferably have different atmospheres, ie different air compositions or air temperatures.
  • the treatment system 100 comprises one or more separating devices 106.
  • the separating device 106 serves to reduce an exchange of air between two room areas 102.
  • One of the room areas 102 is, for example, a treatment room section 108 of a treatment room 104.
  • the treatment room 104 is, for example, a holding zone in which the workpieces to be treated can be kept at a predetermined temperature.
  • the holding zone preferably comprises a number of treatment system modules which form a number of treatment room sections 108 of the treatment room 104 .
  • several supply openings 110 for supplying hot air into the treatment room 104 and several discharge openings 112 for discharging the air from the treatment room 104 are provided in the treatment room 104 in order to bring the workpieces in the treatment room 104 to a desired temperature or to keep them at a desired temperature .
  • the air in the treatment room 104 is guided in particular in an air circulation system.
  • the air in the treatment room 104 is therefore preferably at least largely circulating air.
  • the treatment of the workpieces in the treatment room 104 releases solvents in particular, which can accumulate in the circulating air.
  • the separating device 106 is intended in particular to prevent the solvent from being carried further into an adjacent spatial area 102 .
  • the adjoining room area 102 which is to be separated from the treatment room 104 by means of the separating device 106, is, for example, a cooling zone (not shown) or the surroundings of the treatment system 100.
  • this thermal pressure can result in hot air flowing from a room area 102 into a cooler room area 102 and, as a result of the cooling, leading to the formation of condensate.
  • the separating device 106 is integrated in particular into the treatment system 100 .
  • the separating device 106 preferably adjoins a treatment room 104 or is arranged between two treatment rooms 104 .
  • the spatial regions 102 to be separated from one another by means of the separating device 106 preferably have a common housing 114 of the treatment system 100 together with the separating device 106 .
  • the housing 114 includes in particular a top wall 116, a bottom wall 118 and two side walls 120 which at least approximately surround a cuboid interior of the treatment system 100.
  • a conveying device (not shown) for conveying the workpieces along a conveying direction 122 extends through the treatment room 104.
  • the separating device 106 is arranged between two spatial regions 102 , in particular between two treatment chambers 104 , in particular with respect to the conveying direction 122 .
  • an essentially uniform cross section results along the spatial regions 102 through the separating device 106 , at least because of the housing 114 .
  • the separating device 106 preferably includes one or more screens 126 which, for example, protrude from the top wall 116 into a connecting region 128 of the separating device 106 formed between the two spatial regions 102 and thus reduce the opening cross section.
  • two fixed panels 126 are provided, which are formed in particular by guide devices 130 .
  • a further screen 126 is preferably formed by a movable screen element 132 .
  • the separating device 106 preferably comprises one or more, for example two, feed devices 134 for feeding one or more separating fluids to the guide devices 130.
  • fresh air can be supplied to a first guiding device 130
  • circulating air for example, can be supplied to a second guiding device 130 .
  • the circulating air can be discharged in particular from a treatment room 104 and fed to one of the guide devices 130 , preferably that guide device 130 which is arranged on the side of the separating device 106 facing the treatment room 104 .
  • a further supply device 134 for the further guide device 130 is used, for example, to supply fresh air, in particular heated fresh air.
  • the supply device 134 comprises in particular a heating device (not shown) for heating intake fresh air, in particular hall air.
  • each feed device 134 can have a cooling device, a dehumidifying device and/or a humidifying device in order to be able to condition the separating fluid to be fed in as required.
  • each fluid box 136 which can be provided with a filter element 138, for example, and is used for the uniform supply of separating fluid to the respective guide device 130.
  • each fluid box 136 comprises an outlet opening 140 in the form of a slot, for example, which is directly adjacent to an inlet opening 142 of the respective guide device 130 .
  • the inlet opening 142 is also preferably in the form of a slot.
  • the guide devices 130 each include two guide elements 144, which are designed, for example, as guide plates 146 and are arranged essentially parallel to one another.
  • a gap is formed between the guide elements 144, which serves to guide the separating fluid from the upper end 148 of the guide device 130 with respect to a direction of gravity g to a lower end 150 of the guide device 130 with respect to the direction of gravity g.
  • each guide device 130 is preferably adapted to an outer contour of an upper side of the workpieces to be conveyed through the treatment system 100 .
  • the guide device 130 thus extends in a transverse direction (width direction) 152 of the separating device 106 oriented perpendicularly to the conveying direction 122 and horizontally to different extents, starting from the top wall 116 and downwards.
  • a slotted nozzle 154 formed at the lower end of the guide device 130 by means of the two guide elements 114 of the guide device 130 thus opens out at different heights above the bottom wall 118 into the connecting region 128.
  • the slot nozzle 154 forms, in particular, a feed opening 156 and/or a feed slot 158 of the respective guide device 130.
  • the guide devices 130 are both arranged obliquely with respect to the horizontal and vertical directions and with respect to the conveying direction 122 .
  • the guide devices 130 each enclose an angle of between approximately 60° and approximately 75° with the horizontal.
  • one guide device 130 encloses an angle of 70° with the horizontal, while another guide device 130 encloses an angle of 64° with the horizontal.
  • the two guide devices 130 are therefore preferably not arranged parallel to one another, but rather in such a way that the guide elements 144, in particular the guide plates 146, of the two guide devices 130 run at an angle to one another, for example at an angle of 6° to one another.
  • flow rollers of separating fluid can be generated in the connecting region 128 and/or in one or both spatial regions 102 by means of the guide devices 130 .
  • fluid in particular air, can preferably be prevented or at least minimized from flowing out of the one spatial region 102 into the further spatial region 102 .
  • Movable screen element 132 is used to further optimize the separating effect of separating device 106.
  • this movable panel element 132 preferably comprises a guide plate 146 which is mounted on or by means of a shaft 160 of the panel element 132 so as to be rotatable or pivotable about a horizontal axis of rotation 162, for example.
  • the guide plate 146 In the open position of the movable screen element 132 shown in FIG. 6 , the guide plate 146 is arranged essentially horizontally and/or parallel to the top wall 116 .
  • the panel element 132 in particular the guide plate 146 of the panel element 132, can preferably be introduced into the connection area 128 by a rotating or pivoting movement, in particular pivoted downwards in the direction of gravity g.
  • the guide plate 146 of the movable panel element 132 then runs in particular parallel or at least approximately parallel to a guide element 144, in particular a guide plate 146, of one of the guide devices 130.
  • the guide plate 146 of the movable panel element 132 protrudes at least in sections further from the top wall 116 downwards into the connecting area 128 than at least partially the adjoining guide device 130, so that an opening cross section is reduced.
  • the guide plate 146 of the movable screen element 132 projects in particular into a movement path of the workpieces to be conveyed in order to increase the separating effect of the separating device 106 .
  • the movable screen element 132 is then temporarily brought from the closed position to the open position.
  • a mechanical separation between the spatial regions 102 to be separated from one another is at least temporarily optimized by means of the guide plate 146 of the diaphragm element 132, so that the volume flows of the separating fluids in the guide devices 130 required for effective air separation can be minimized.
  • this allows an optimized sealing effect to be achieved with regard to the discharge of, for example, solvents.
  • the energy requirement required for the operation of the separating device 106 can be minimized.
  • the separating device 106 comprises one or more floor suction devices designed, for example, as suction slots 164 (see in particular FIGS. 2 to 4).
  • an upstream or downstream suction device 166 with respect to a conveying direction or connection direction can be provided outside the connection region 128, by means of which a separating fluid flow can be sucked in the direction of one of the spatial regions 102, in particular in the direction of a treatment space 104.
  • a thermal pressure resulting from an increased temperature in the spatial region 102 can be counteracted.
  • the formation of a flow roll can preferably be optimized as a result.
  • an intermediate suction device 168 can be formed.
  • a suction slot 164 is arranged between the two guide devices 130 with respect to the conveying direction 122 .
  • the suction slot 164 is preferably arranged and/or formed in the bottom wall 118 of the connecting area 128 in such a way that a flow of separating fluid released by means of one of the guide devices 130 is directed onto the suction slot 164 .
  • this guide device 130 which is arranged in particular on a side of separating device 106 that faces away from treatment room 104, fresh air can in particular be routed in the direction of suction slot 164, this fresh air preferably being able to be sucked off at least partially by means of suction slot 164 in order to supply it again as recirculated fresh air to the associated supply device 134 and reintroduce it into the connection area 128 with the same guide device 130 .
  • a separating fluid recirculation system 170 is formed by means of the intermediate suction 168 in order to reduce the fresh air requirement and still enable a large fresh air volume flow.
  • a movable screen element 132 can optionally be dispensed with.
  • FIG. 7 shows an illustration of the separating device 106 corresponding to FIG. 4, with an alternative configuration of a base area 172 being provided.
  • This alternative configuration can be provided in particular as a complete replacement for the configuration described above or as a supplement to it.
  • intermediate suction devices 164 can optionally be added or left out.
  • the blocking elements 174 are in particular part of a blocking device or form such a blocking device.
  • the one or more blocking elements 174 preferably reduce or prevent a propagation of one or more separating fluid streams into at least one of the two spatial regions adjoining the connecting region 128 .
  • a deflection area 176 is preferably formed between each two blocking elements 174 .
  • three blocking elements 174 and two deflection areas 176 arranged between them are provided.
  • the blocking elements 174 are preferably arranged one after the other along the conveying direction 122 and spaced apart from one another.
  • the blocking elements 174 are preferably essentially plate-like, in particular as impact plates, and/or are oriented at least approximately perpendicularly to the conveying direction 122.
  • the one or more blocking elements 174 each preferably extend over at least approximately 40%, preferably at least approximately 60%, in particular at least approximately 80%, of an overall clear width of the connection area 128 taken in the transverse direction 152.
  • a distance between two directly consecutive blocking elements 174 is preferably at least approximately 50%, in particular at least approximately 80%, for example at least approximately 100%, and/or at most approximately 200%, preferably at most approximately 150%, of a total extent of a guide device 130 along conveying direction 122 In this way, in particular, the formation of a flow roller that is advantageous for the separating effect of the separating device 106 can be optimized.
  • a blocking element 174 is arranged at least approximately in an area of an upper end of one of the guide devices 130 with respect to conveying direction 122, and another blocking element 174 is arranged at least approximately in an area of a lower end of the same guide device 130 with respect to conveying direction 122.
  • a distance between these two blocking elements 174 is, for example, at least approximately 700 mm, in particular at least approximately 850 mm, and/or at most approximately 1200 mm, preferably at most approximately 1000 mm.
  • This guide device 130 serves in particular to guide fresh air and/or to form one or two fresh air cylinders.
  • An arrangement in an “area” is to be understood in particular as a deviation in the position along the conveying direction 122 of at most approximately 30 cm, in particular at most approximately 15 cm.
  • a blocking element 174 in particular a third blocking element 174, can be arranged at least approximately in a region of a lower end of another of the guide devices 130 with respect to the conveying direction 122.
  • a flow roller can then be produced between the two guide devices 130 .
  • a distance of this blocking element 174 from the closest of the two further blocking elements 174 is, for example, at least approximately 1000 mm, in particular at least approximately 1200 mm, and/or at most approximately 1500 mm, preferably at most approximately 1400 mm.
  • This further guide device 130 serves in particular to guide circulating air, with the circulating air flowing in particular past the third blocking element 174 into an inflow region 178, in particular into a drying chamber of a dryer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

La présente invention vise à mettre au point un dispositif de séparation destiné à une installation de traitement de pièces, qui peut fonctionner de manière économique et qui permet un effet de séparation efficace. Afin d'atteindre cet objectif, il est proposé que le dispositif de séparation comprenne un ou plusieurs dispositifs de guidage, au moyen desquels au moins un fluide de séparation peut être introduit dans une zone de liaison disposée ou formée entre deux zones spatiales.
EP21834720.1A 2020-12-21 2021-12-15 Dispositif de séparation, installation de traitement et procédé de traitement de pièces Pending EP4264154A1 (fr)

Applications Claiming Priority (2)

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DE102020216427.4A DE102020216427A1 (de) 2020-12-21 2020-12-21 Trennvorrichtung, Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
PCT/DE2021/101007 WO2022135633A1 (fr) 2020-12-21 2021-12-15 Dispositif de séparation, installation de traitement et procédé de traitement de pièces

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US (1) US20240310122A1 (fr)
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DE102018210433A1 (de) 2018-06-26 2020-01-02 Dürr Systems Ag Trennvorrichtung und Behandlungsanlage
JP7252000B2 (ja) * 2019-02-12 2023-04-04 トリニティ工業株式会社 エアーカーテン生成装置
DE102019213430A1 (de) 2019-09-04 2021-03-04 Dürr Systems Ag Trennvorrichtung, Behandlungsanlage, Verfahren zum Trennen zweier Raumbereiche und Verfahren zum Behandeln von Werkstücken

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CN114643181A (zh) 2022-06-21
DE112021006599A5 (de) 2023-11-16
US20240310122A1 (en) 2024-09-19
CN217043331U (zh) 2022-07-26
DE102020216427A1 (de) 2022-06-23
WO2022135633A1 (fr) 2022-06-30

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