EP1080788A1 - Zone de refroidissement d'une installation de peinture et procédé de mise en oeuvre d'une telle installation - Google Patents

Zone de refroidissement d'une installation de peinture et procédé de mise en oeuvre d'une telle installation Download PDF

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Publication number
EP1080788A1
EP1080788A1 EP00117605A EP00117605A EP1080788A1 EP 1080788 A1 EP1080788 A1 EP 1080788A1 EP 00117605 A EP00117605 A EP 00117605A EP 00117605 A EP00117605 A EP 00117605A EP 1080788 A1 EP1080788 A1 EP 1080788A1
Authority
EP
European Patent Office
Prior art keywords
cooling zone
cooling
cabin
area
inlet area
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
EP00117605A
Other languages
German (de)
English (en)
Other versions
EP1080788B1 (fr
Inventor
Konrad Dr. Ortlieb
Dietmar Wieland
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 EP1080788A1 publication Critical patent/EP1080788A1/fr
Application granted granted Critical
Publication of EP1080788B1 publication Critical patent/EP1080788B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/49—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for solvents
    • 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 cooling zone of at least one a painting booth, a heated dryer to dry painted objects and one in the direction of the dryer cooling zone downstream of the objects for cooling of the painted and dried objects Painting system, the cooling zone being a tunnel-like cooling zone cabin with the interior of the refrigerator compartment Boundary walls, which are between a Entry opening and an exit opening of the cooling zone cabin extend for the painted objects, and the boundary walls the cooling zone cabin in one to the entrance opening adjacent inlet area of the cooling zone with nozzles for blowing cooling air into the interior of the cooling zone cabin are provided.
  • a paint shop for which such a cooling zone is provided is, in particular a painting system for coating Vehicle bodies with paints, has as an essential part a tunnel-like row of cabins that go from one to another painting object, such as a vehicle body, be run through one after the other; to this end a conveyor extends through the cabin row through, with the help of the objects to be painted be transported through the painting system.
  • a Object to be painted if necessary after a suitable one
  • the in Solvent vapors are removed from the dryer extracted and burned, for example, before the dryer exhaust air is led outdoors.
  • the cooling zone provided with the tunnel-like cooling zone cabin, in which the painted and dried objects cooled become. If the dryer is operated continuously, it is required for thermal separation of the dryer from the colder areas of the paint shop adjacent to the dryer a dryer entrance and a dryer exit lock to provide the also tunnel-like, from the painted Objects have through-going cabins, usually in the heated fresh air is blown into an air curtain to form, through which the painted objects passed become.
  • the present invention is therefore based on the object to create a cooling zone of the type mentioned, the allows the painted objects to cool down quickly, without the presence of solvent condensate on these objects caused paint damage occur.
  • This task is carried out in a cooling zone with the characteristics of Preamble of claim 1 solved according to the invention in that at least a portion of the boundary walls of the cooling zone cabin is heatable in the inlet area of the cooling zone.
  • Refrigerated zone booth By heating the partial area of the boundary walls Refrigerated zone booth will start the formation of solvent condensate this sub-area significantly reduced or completely eliminated.
  • the solvent vapors emitted by the painted objects are instead with the cooling air from the cooling zone cabin aspirated.
  • the cooling zone in the inlet area of the invention Cooling zone at the same time by blowing the painted objects effectively cooled by cooling air and yet by heating of the partial area of the boundary walls of the cooling zone cabin the formation of solvent condensate in the inlet area effective on the heatable portion of the boundary walls is prevented, the cooling zone according to the invention enables the painted objects for a short period of time in the inlet area to cool so far that the painted objects no more solvent vapors emit without having to stay in the inlet area there is a risk that the boundary walls of the Cooling zone cabin dripping or from the cooling air flow to the Painted objects transported solvent condensate damages the painted surfaces of the objects.
  • the objects into one outlet area adjoining the inlet area of the cooling zone in which the objects are brought through Blowing of cooling air can be cooled further without the Boundary walls of the cooling zone cabin in this outlet area should be heated.
  • the cooling zone according to the invention is therefore much more suitable for a sufficiently rapid cooling of the painted objects avoiding damage from solvent condensate to achieve than already known from the prior art Solutions where, for example, the cabin ceiling one between the dryer and the cooling zone of a paint shop arranged cabin-like lock is heated without that in this lock cooling air to cool the painted Objects is blown.
  • the upper areas of the side walls of the refrigerator section are preferred places for the formation of solvent condensate is therefore advantageously provided that a upper area of the side walls of the cooling zone cabin in the inlet area the cooling zone can be heated essentially over the entire surface is.
  • the heatable part of the boundary walls of the cooling zone cabin in the inlet area of the cooling zone by heating to a Temperature from about 80 ° C to about 130 ° C can be brought.
  • the heatable portion of the boundary walls the cooling zone cabin in the inlet area of the cooling zone an electric resistance heater is heated.
  • a such electrical heating is particularly easy on the desired temperature adjustable.
  • the installation of the electrical resistance heater designed is particularly easy when the heated section the boundary walls of the cooling zone cabin comprise wall elements, in each of which an electrical resistance heating element is integrated is.
  • Such wall elements are simple and inexpensive to manufacture, if they each have two sheets of an electrically insulating Material, preferably glass plates, and a between electrical resistance heating element arranged in these plates include.
  • the electrical resistance heating element as a transparent resistance heating layer is trained; when using glass plates this remains maintain the transparency of the wall elements.
  • thermoelectric heating can also be provided that the heatable portion of the Boundary walls of the cooling zone cabin by means of a hot gas is heated.
  • Such heating can be implemented in a simple manner be that the cooling zone one in the inlet area of the Cooling zone arranged hot gas duct includes which with the heatable part of the boundary walls of the cooling zone cabin is in heat-conducting contact.
  • a particularly efficient heat transfer from the hot gas to the heatable section is achieved when advantageously a lateral limitation of the hot gas duct through the heatable part of the boundary walls of the cooling zone cabin is formed.
  • the hot gas duct clean gas from a thermal exhaust air purification system can be supplied to the painting system as hot gas, it is thereby avoided that additional to heat the hot gas Energy needs to be spent on. Rather, in this case, the heating of the heatable part of the Boundary walls of the refrigerator compartment to an efficient Use of the in the clean gas of the thermal exhaust air cleaning system the heat contained in the painting system.
  • the clean gas of the thermal exhaust air cleaning system immediately after exiting the exhaust air cleaning system in usually has a higher temperature than that for heating of the heatable section to a temperature in Range from about 80 ° C to about 130 ° C is required is, can optimal use of the contained in the clean gas Heat should be provided that the clean gas from the thermal Exhaust air purification system before being fed to the hot gas duct by at least one heat exchanger for heating air circulating through the dryer.
  • the hot gas even after passing through the hot gas channel temperature in the cooling zone is higher than the outside air temperature has, can lead to an efficient use of the residual heat content the hot gas be provided that the hot gas after being fed to the hot gas duct through a heat exchanger for heating those to be blown into the locks of the dryer Fresh air can be passed through.
  • the refrigerator compartment in the outlet openings arranged in the upper region of their boundary walls for the exit of the cooling air from the interior of the Refrigerated zone cabin includes a complete suction of all To reach solvent vapors from the refrigerator compartment.
  • the cooling zone cabin is simple in construction when the outlet openings are between each Ceiling wall and a side wall of the refrigerator zone cabin arranged are.
  • Cooling zone cabin arranged in the lower region of its boundary walls Outlet openings for the outlet of the cooling air includes from the interior of the refrigerator compartment, so is by this measure a favorable flow pattern in the interior of the Refrigerated zone cabin generated in which a large part of the blown Cooling air surfaces and, if necessary, the inner surfaces of painted objects before painting the Cooling zone cabin leaves again, so that a particularly effective Cooling of the painted objects in the cooling zone cabin is achieved.
  • the one from the interior of the refrigerator compartment in the inlet area escaping cooling air is through an inlet area cooling air discharge duct removed from the cooling zone. Since the from the Cooling air escaping inlet solvent condensate droplets contains which should not get into the ambient air, is advantageously in the inlet area cooling air discharge duct at least one condensate separator arranged.
  • This condensate separator can, depending on the drop size and Amount of solvent condensate as separation medium a wire mesh, comprise a monofilament or a lamellar structure.
  • the painted objects in the Inlet area of the cooling zone cooled down so far that then a further cooling of the objects is possible without that solvent vapors are emitted from the objects, so that no heating to avoid solvent condensate formation more is needed.
  • the cooling zone is in the flow direction of the objects adjoining the infeed area Has outlet area, the boundary walls of the cooling zone cabin in the outlet area with nozzles for blowing in Cooling air is provided in the interior of the cooling zone cabin, the boundary walls of the cooling zone cabin in the outlet area but do not have to be heated.
  • the cooling zone is cheaper producible and operable.
  • a separate outlet area cooling air discharge duct for those from the interior of the Cooling zone cabin in the outlet area includes cooling air.
  • the cooling zone at least one, preferably Condensate container that can be removed from the cooling zone for storage of the boundary walls of the cooling zone cabin in the inlet area includes dripping condensate.
  • the present invention is based on the further object a method for cooling in a paint booth painted and dried objects in a heated dryer in a direction in which the objects pass Dryer downstream cooling zone, the cooling zone a tunnel-like cooling zone cabin with the interior of the cooling zone cabin delimiting boundary walls, which are between an inlet opening and an outlet opening the cooling zone cabin for the painted objects, in the cooling air by means of the boundary walls the cooling zone cabin in an adjacent to the inlet opening Inlet area provided nozzles in the interior of the Cooling zone cabin is blown in to create a quick Allows the painted objects to cool without that caused on these objects by solvent condensate Paint damage occurs.
  • This task is carried out in a method with the characteristics of Preamble of claim 26 solved according to the invention in that at least a portion of the boundary walls of the cooling zone cabin is heated in the inlet area of the cooling zone.
  • FIGS. 1 to 6 designated as a whole by 100 first embodiment of a cooling zone comprises a standing on a hall floor 102, essentially cuboid Outside cabin 104, which has a tunnel-like inside Cooling zone cabin 106 accommodates.
  • the cooling zone cabin 106 and the outer cabin 104 extend parallel to one another along a common longitudinal direction 108 (perpendicular to 4 to 6).
  • the cooling zone cabin 106 and the outer cabin 104 have one common floor 110 on which the side walls 112 of the Outside cabin 104 and the side walls 114 of the cooling zone cabin 106 wears.
  • the outer cabin 104 is up through a flat ceiling wall 116 and the cooling zone cabin 106 by an angled Ceiling wall 118 completed.
  • Conveyor device 122 for example a chain conveyor, arranged, by means of which vehicle bodies mounted on skid frame 124 126 in a direction parallel to the longitudinal direction 108 Direction of conveyance through the cooling zone cabin 106 are eligible.
  • the conveyor device 122 is known per se and its concrete Design plays for the present invention no role, so that a detailed description of the Conveyor 122 is dispensed with.
  • the conveyor device 122 conveys the previously in a (not painted booth and painted in a (not shown) heated dryer dried vehicle bodies 126 by one designated by 128 in FIGS. 2 and 3 Entry opening into the cooling zone booth 106 and on an outlet opening (not shown) from the same out, the contours of the inlet opening 128 and the Outlet opening the cross section shown in FIGS. 4 to 6 correspond to the cooling zone cabin 106.
  • the inlet opening 128 is followed by a one designated by 132 Inlet area of the cooling zone 100, which in turn a front part 134, which directly to the Inlet opening 128 is adjacent, and one along the conveying direction the rear part following the front part 134 136 includes (in Fig. 1, only the rear portion 136 of the lead-in area shown).
  • FIG. 4 A schematic cross section through the front part 134 of the Inlet area 132 is shown in FIG. 4.
  • Fig. 4 forms in the front part 134 of the inlet area 132 of the between the cooling zone cabin 106 and the outer cabin 104 remaining space front inlet area cooling air supply chamber 138 into which of through the top wall 116 of the outer cabin 104, a cooling air supply duct 140 flows.
  • the cooling air supply channel 140 is on the cooling air supply chamber 138 opposite end to a (not shown) Cooling air supply connected with a cooling air supply fan.
  • the symmetrical to a vertical longitudinal median plane 142 of the Cooling zone cabin 106 and the outer cabin 104 are formed and arranged side walls 114 in the front part 134 of the inlet area 132 each include a lower vertical Sidewall area 144 that extends upward from floor 110 extends, an adjoining one, from the vertical Longitudinal median plane 142 inclined lower oblique side wall region 146, one adjoining it upwards middle vertical side wall area 148, one itself adjoining upwards, to the vertical longitudinal median plane 142 inclined upper sloping side wall area 150 and one at the same upper vertical adjoining upwards Side wall area 152, which is the angled ceiling wall 118 the cooling zone cabin 106 carries.
  • Each of the upper sloping sidewall regions 150 is made of FIG the conveying direction successive, essentially rectangular wall elements 154 assembled, which by means of between two successive wall elements 154 from the top of the central vertical sidewall area 148 to the bottom of the upper vertical sidewall area 152 extending support rails 156 on the middle vertical sidewall area 148 and the top vertical sidewall area 152 are set.
  • the rectangular wall elements 154 each comprise two rectangular, stacked glass plates 158 and 160, between which a transparent electrically conductive resistance layer is arranged.
  • each of the wall elements 154 is provided with a nozzle 162, which is the outer glass plate 158 and the inner glass plate 160 penetrates the wall element 154 and the nozzle axis 164 essentially perpendicular to the respective wall element 154 is directed to the vehicle body 126 so that cooling air from each leading inlet cooling air supply chamber through each nozzle 162 138 in the interior 120 the cooling zone cabin 106, directly onto the one to be cooled Vehicle body 126, can be blown.
  • the nozzles 162 are preferably arranged and aligned in such a way that that the one blown into the interior 120 by the same Cooling air through 126 existing on the vehicle bodies Openings 166, for example window openings, in reach the interior of the vehicle bodies 126 to be cooled can to the inner surfaces of the vehicle bodies 126 paint over and thus achieve a good cooling effect can.
  • the angled top wall 118 of the cooling zone screen 106 is in the inlet area 132 from successive, along the conveying direction, essentially rectangular wall elements 168 composed.
  • the wall elements 168 are made of two stacked glass plates 158 and 160 and one interposed transparent resistance layer is formed.
  • the wall elements 168 are between each other by two successive wall elements 168 extending support rails 171 on each of the upper vertical side wall areas 152 and one in the longitudinal direction 108 extending ridge rail 172 set.
  • the electrically conductive resistance layers of the wall elements 154 and 168 are each connected via a (not shown) Temperature controller to a power supply (not shown) connected so that wall elements 154 and 168 by means of ohmic shears generated in these resistance layers Heat to a predetermined temperature in the range of approximately 80 ° C to about 130 ° C can be heated.
  • FIG. 2 follows the vertical, into the inlet area cooling air discharge chamber 178 opening section of the inlet area cooling air discharge duct 180 a horizontal region 184 of the inlet region cooling air discharge duct 180 in which a first condensate separator 186 and a second condensate separator 188 along the Flow direction of the cooling air arranged one behind the other are.
  • Each of the condensate traps 186 and 188 includes one a separator medium 192 arranged on a carrier grid 190.
  • FIGS. 7 to 11 Examples of such separating media are shown in FIGS. 7 to 11 shown.
  • the separating medium can, for example, as shown in FIGS. 7 and 8, can be designed as a wire mesh 194, through its mesh, the cooling air in the direction of flow 222 flows through, the condensate droplets carried therein get stuck on wire mesh 194.
  • the separating medium can be used as a so-called Monofilament 196 may be formed, as in FIGS. 9 and 10 shown, the mesh-like monofilament pyramid-shaped Funnel spans, which flows through the cooling air be, the entrained condensate droplets on the webs of the monofilament get stuck.
  • the separating medium a coulter aligned parallel to one another, transverse to Flow direction of the cooling air of mutually spaced fins 198 to form, which is transverse to the flow direction 222 the cooling air are corrugated and a first curved one Have scraper 200, which in the flow direction the cooling air is located just behind the respective shaft crest and a second curved scraper 201, which in the flow direction of the cooling air behind the first wiper 200 and on the opposite surface of each Slat 198 is arranged.
  • the separation effect comes about in that the entrained in the cooling air Condensate droplets preferred due to their inertia into the spaces between the wipers 200 and 201 and the respective lamella 198 and get stuck there, if the cooling air condensate aerosol through the bulge the slats 198 is accelerated transversely to the direction of flow.
  • the slats 198 and the monofilament 196 can be made from one Plastic material such as polyethylene or polytetrafluoroethylene be educated.
  • the front end of the inlet area cooling air discharge chamber as seen in the conveying direction 178 is vertical front partition 202 (see FIG. 2) opposite the front Entry area cooling air supply chamber 138 completed.
  • the rear lead-in area cooling air supply chambers 176 are however, at its front end in the conveying direction towards the front inlet area cooling air supply chamber 138 open so that the cooling air supplied to the cooling zone 100 is out the cooling air supply passage 140 through the front lead-in cooling air supply chamber 138 into the rear inlet area cooling air supply chambers 176 can reach.
  • the upper vertical side wall regions 152 are in the rear part 136 of the inlet area 132 not, as in its front part 134, completely closed, but with Inlet area outlet openings 204, which are between each of the upper sloping side wall areas 150 on the one hand and the angled ceiling wall 118 of the cooling zone cabin 106, on the other hand, extend in the longitudinal direction 108.
  • the structure of the cooling zone 100 in the rear is correct Part 136 of the inlet area 132 with its structure in the front Part 134 of the inlet area 132 match.
  • wall elements 154 and 168 are the top sloping side wall region 150 or the top wall 118 in trained in the manner already described and thus electrically during the operation of the cooling zone to a temperature heatable in the range from approximately 80 ° C. to approximately 130 ° C.
  • the wall elements 154 have nozzles 162 through which Cooling air from the rear inlet area cooling air supply chambers 176 blown into the interior 120 of the refrigerator compartment 106 can be.
  • the inlet area cooling air discharge chamber is 178 through a vertical rear Partition 208 completed.
  • the structure differs the cooling zone 100 in the outlet area 210 from its construction in the rear part 136 of the inlet area 132 in that the angled ceiling wall 118 'of the cooling zone cabin 106 in the outlet area 210 not from heated wall elements, but is formed by non-heatable sheets 212.
  • the upper sloping side wall area 150 'of the cooling zone cabin 106 cannot be heated in the outlet area 210.
  • the between the outside cabin 104 and the cooling zone cabin 206 in Spout area 210 is left by a gap horizontal false ceiling 214 in below the false ceiling 214 arranged outlet area cooling air supply chambers 216, which with the rear inlet area cooling air supply chambers 176 communicate so that cooling air from the cooling air supply duct 140 through the front lead-in cooling air supply chamber 138 and the rear inlet area cooling air supply chambers 176 into the outlet area cooling air supply chambers 216, and into one above the false ceiling 214 arranged outlet area cooling air discharge chamber 218 into which from above through the top wall 116 of the outer cabin 104 Outlet area cooling air discharge duct 220 opens, divided.
  • the drain area cooling air discharge chamber 218 is with the interior 120 of the cooling zone cabin 106 via outlet area outlet openings 221, the clear width by means of sliders 223 is adjustable, connected.
  • the outlet area cooling air discharge duct 220 is via a Cooling air suction fan (not shown) to a cooling air discharge chimney connected through which from the interior 120 of the cooling zone cabin 106 extracted cooling air into the Environment can escape.
  • the inlet area cooling air discharge duct 180 on a in the flow direction of the cooling air behind the condensate separators 186 and 188 Merged with the outlet area cooling air discharge duct 220 is so that both discharge channels through the same suction fan and the same cooling air discharge chimney into the surrounding one Atmosphere.
  • the upper slopes are also Sidewall regions 150 ′ of the outlet region 210 with nozzles 162 provided which the upper inclined side wall regions 150 ' enforce essentially vertically and through which the Cooling air from the exit area cooling air supply chambers 216 in the interior 120 of the cooling zone cabin 106 is inflatable.
  • the first embodiment of a cooling zone described above 100 works as follows:
  • the vehicle bodies 126 are in one in the pass direction of the vehicle bodies 126 upstream of the cooling zone 100 Paint booth painted and in a heated dryer dried. The vehicle bodies 126 leave the Tumble dry in the heated state and run in this state through the inlet opening 128 into the inlet area 132 of FIG Cooling zone 100 on.
  • the cooling of the vehicle bodies 126 in the entry area 132 of the cooling zone 100 is achieved in that by means of Cooling air supply fan blows in outside air at ambient temperature and under increased pressure through the cooling air supply duct 140 into the front intake area cooling air supply chamber 138 and the two rear inlet area cooling air supply chambers 176 is funded. These chambers become the cooling air blown through the nozzles 162 onto the vehicle bodies 126, which cool down through contact with the cooling air. The heated by contact with the vehicle bodies 126 and cooling air loaded with solvent vapors is removed by the Inlet area outlet openings 204 in the upper area of the Cooling zone booth 106 into the entry area cooling air discharge chamber 178 extracted from where it enters the intake area cooling air discharge duct 180 arrives.
  • the condensate draining off at the bottom 110 of the Cooling zone screen 106 arranged (not shown) condensate collection containers to be caught.
  • Such condensate collection containers are preferably from the Cooling zone booth 106 can be removed to the accumulated therein To be able to dispose of condensate from time to time.
  • the dwell time of each vehicle body 126 in the lead-in area 132 of the cooling zone 100 is typically approximately 1 up to 2 minutes.
  • the conveyor 122 Vehicle body 126 substantially during the dwell time continuously through the inlet area 132 of the cooling zone 100 conveyed through.
  • the conveyor device 122 works in cyclical operation, that is, a vehicle body 126 into the inlet area 132 of the cooling zone 100 into the vehicle body 126 during the dwell time of about 1 to 2 minutes in the lead-in area 132 can rest and then the vehicle body 126 in the Outflow area 210 of the cooling zone 100 further promotes.
  • a vehicle body 126 into the inlet area 132 of the cooling zone 100 into the vehicle body 126 during the dwell time of about 1 to 2 minutes in the lead-in area 132 can rest and then the vehicle body 126 in the Outflow area 210 of the cooling zone 100 further promotes.
  • Such a intermittent operation of the conveyor 122 offers the Advantage that the length of the inlet area 132 is along the conveying direction only slightly larger than the length of a vehicle body 126 must be chosen.
  • the dwell time in the inlet area 132 of the cooling zone 100 is dimensioned so that the vehicle bodies 126 at the end of the stay are cooled so far that they are essentially no longer emit solvent and / or plasticizer vapors.
  • the vehicle bodies 126 In the outlet area adjoining the inlet area 132 210 of the cooling zone 100 can the vehicle bodies 126 therefore continue to be cooled with great cooling capacity without that the risk of condensation on the inner walls of the Cooling zone cabin 106, so that the heating Top wall 118 'and the upper sloping side wall areas 150 'can be dispensed with in the outlet area 210.
  • the outlet area 210 is through the rear inlet area cooling air supply chambers 176 the lead-out area cooling air supply chambers 216 cooling air supplied through nozzles 162 in the interior 120 of the cooling zone blown 106 and through the outlet area outlet openings 221 into the outlet area cooling air discharge chamber 218 suctioned from where the in the interior 120 heated cooling air through the outlet area cooling air discharge duct 220, the cooling air suction fan and the Cooling air discharge chimney gets into the environment. Because the in the outlet area 210 extracted cooling air essentially no solvent condensate is in the outlet area cooling air discharge duct 220 no condensate separator required.
  • this allows the condensate separator to be made smaller than would be required if the entire cooling air extracted from the cooling zone 100 the condensate separator should happen.
  • cooling air discharge duct 180 Further occurs only in the inlet area cooling air discharge duct 180 a pressure loss caused by the condensate separator on, so that to extract the cooling air from the cooling zone 100 suction fans used are correspondingly smaller can be.
  • a second embodiment shown in FIGS. 12 to 14 a cooling zone 100 differs from that above described first embodiment in that the in Interior 120 blown cooling air in the inlet area 132 of the Cooling zone not through in the upper area of the cooling zone cabin 106 arranged outlet openings, but through in the lower Area of the cooling zone cabin 106 in the lower vertical Sidewall areas 144 of the inlet area 132 provided Outlet openings 224 is sucked off, the clear width is adjustable by means of sliders 225.
  • Entry area cooling air supply chambers 176 ' are included by means of one extending in the longitudinal direction 108 vertical partition 228 separated from one another as possible symmetrical flow pattern of the cooling air in the interior 120 to achieve.
  • each of the lead-in area cooling air supply chambers 176 'opens from above through the top wall 116 of the Outside cabin 104 each have a cooling air supply duct 140.
  • the top wall 118 ′′ of the cooling zone cabin 106 is in the in 12 to 14 shown second embodiment a cooling zone 100 not angled, but flat; however, this embodiment could easily be used an angled ceiling wall can be used.
  • the inlet area cooling air discharge chambers open 178 'at the rear in the conveying direction lying end of the inlet area 132 in a vertical Inlet area cooling air discharge shaft 230.
  • the two Inlet area cooling air discharge shafts 230 in turn lead into an inlet area cooling air - discharge duct 180, which like the inlet area cooling air discharge duct of the first embodiment with a first condensate separator 186 and a second condensate separator 188 is provided.
  • the outlet area 210 of the second embodiment also Cooling zone 100 differs from that of the first embodiment only in that the cooling air through in outlet outlet openings arranged at the lower vertical side wall regions 144 ' 232 is suctioned off.
  • Which resulting changes in the structure of the outlet area 210 of the second embodiment correspond exactly to those Changes in the construction of the lead-in area described above 132, so that a detailed description of this Changes are not necessary.
  • a cooling zone 100 also in the inlet area 132 in the second embodiment the top wall 118 '' and the upper sloping side wall areas 150 made of electrically heatable wall elements 154 and 168 formed so that even in the second embodiment Condensation on the inner walls in the upper area of the Cooling zone cabin 106 is reliably prevented.
  • the cooling air in the lower area the cooling zone cabin 106 is sucked off becomes a special favorable, indicated in FIG.
  • a third embodiment shown in FIGS. 15 to 18 a cooling zone 100 differs from that above described first embodiment in that instead of a electric heating of the ceiling wall and the upper sloping Side wall areas of the cooling zone cabin 106 in the inlet area 132 heating of these areas by means of them Hot gas passed through wall regions is provided.
  • FIG. 18 is the clean gas of a thermal exhaust air purification system 234 used, in which the dryer 236, in which the painted vehicle bodies 126 dried are removed through a dryer exhaust line 238 Dryer exhaust air through oxidation of the hydrocarbons contained in it is cleaned and heated.
  • the clean gas of the thermal exhaust air purification system 234 supplied to the cooling zone 100 through a hot gas supply line 240, which is on the warm side before entering the cooling zone 100 passes through a first heat exchanger 242, the cold side of circulating through a heating zone 244 of the dryer 236 Circulated air is flowed through, and a second heat exchanger on the warm side 246 passes through, the cold side of through a holding zone 248 of the dryer 236 circulating circulating air becomes.
  • Hot gas discharge line 252 After the hot gas is placed in the cooling zone 100 Has flowed through hot gas channel 250, it arrives in a hot gas discharge line 252, in which the hot gas on the warm side flows through third heat exchanger 254, which on the cold side of fresh air drawn in from the environment is flowed through, which after heating in the third heat exchanger by a Fresh air supply line 256 partially an entrance lock 258 and partially an exit lock 260 of the dryer 236 is supplied.
  • the hot gas flow described above ensures that the heat content of the clean gas of the thermal Exhaust air purification system 234 used as completely as possible before the hot gas escapes into the environment.
  • Fig. 17 differs the structure of the lead-in area 132 of the third embodiment a cooling zone 100 of that of the first embodiment in that the roof 118 '' 'and the upper sloping side wall areas 150 '' of the cooling zone cabin 106 not by electrical heated wall elements are formed, but instead whose hot gas channels extend in the longitudinal direction 108 250 include the interior 120 of the refrigerator compartment 106 facing boundary walls 263 also inner walls of the cooling zone cabin 106 and that by reinforcing ribs 265 can be stiffened.
  • the upper sloping side wall portions 150 ′′ of the third embodiment are just like the corresponding wall areas the first embodiment with nozzles 162 through which Cooling air from the inlet area cooling air supply chambers 176 blown into the interior 120 of the refrigerator compartment 106 can be.
  • the nozzles 162 are through the thermal insulation 264 separated from the hot gas channels 250 to prevent that the cooling air blown into the interior 120 by the hot gas flowing through the hot gas channels 250 is heated.
  • the inlet area cooling air discharge chamber 178 is via inlet area outlet openings 204 in the upper area of the Cooling zone cabin 106 with the interior 120 of the cooling zone cabin 106 and at its rear end in the conveying direction with the inlet area cooling air discharge duct 180 of the third Embodiment connected (see Fig. 15).
  • the hot gas channels 250 are on their in the conveying direction front ends with one in the front part of the inlet area 132 arranged hot gas inlet chamber 272 connected, in which opens the hot gas supply line 240 and in which a hot gas fan 274 is arranged, which hot gas from the hot gas supply line 240 into the hot gas channels 250 promotes.
  • the hot gas channels 250 in the ceiling wall 118 '' 'and in the upper sloping side wall areas 150 '' are at their in ends of the conveying direction through hot gas shafts 268 connected to each other so that the hot gas through the hot gas channel in the ceiling wall 118 '' 'to the rear end of the inlet area 132 and from there through the hot gas channels 250 into the upper sloping side wall areas 150 '' back in the hot gas inlet chamber 272 arrives.
  • both the hot gas channels 250 and the hot gas discharge shaft 270 open directly into the hot gas inlet chamber 272
  • the hot gas fan 274 partially pumps the hot gas into the hot gas channels 250 and partly in the hot gas discharge shaft 270, so that no additional suction fan for suction of the hot gas from the cooling zone 100 is required.
  • the interior 120 of the cooling zone booth 106 facing inner sides of the ceiling wall 118 '' 'and the upper sloping side wall region 150 ′′ of the inlet region 132 of the Cooling zone 100 by absorbing heat from the hot gas, which is conveyed through the hot gas channels 250 and the cooling zone 100 leaves through the hot gas discharge shaft 270 to one Temperature in the range of about 80 ° C to about 130 ° C heated so that the Cooling zone cabin 106 cannot form solvent condensate.
  • the shielding elements 276 preferably have the shape of a downwardly open U and are on the upper sloping side wall area 150 '', for example by welding. Basically, such shielding elements are also used electrical heating can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Coating Apparatus (AREA)
EP00117605A 1999-09-02 2000-08-16 Zone de refroidissement d'une installation de peinture et procédé de mise en oeuvre d'une telle installation Expired - Lifetime EP1080788B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941760A DE19941760A1 (de) 1999-09-02 1999-09-02 Kühlzone einer Lackieranlage und Verfahren zum Betreiben einer solchen Kühlzone
DE19941760 1999-09-02

Publications (2)

Publication Number Publication Date
EP1080788A1 true EP1080788A1 (fr) 2001-03-07
EP1080788B1 EP1080788B1 (fr) 2005-01-26

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ID=7920509

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EP00117605A Expired - Lifetime EP1080788B1 (fr) 1999-09-02 2000-08-16 Zone de refroidissement d'une installation de peinture et procédé de mise en oeuvre d'une telle installation

Country Status (5)

Country Link
EP (1) EP1080788B1 (fr)
KR (1) KR20010076185A (fr)
BR (1) BR0003977A (fr)
DE (2) DE19941760A1 (fr)
ES (1) ES2232360T3 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002073109A1 (fr) * 2001-03-12 2002-09-19 Dürr Systems GmbH Systeme de sechage a air chaud pour installation de revetement
WO2002097346A1 (fr) * 2001-05-26 2002-12-05 EISENMANN Maschinenbau KG (Komplementär: Eisenmann-Stiftung) Secheur
EP1555498A2 (fr) * 2004-01-12 2005-07-20 EISENMANN Maschinenbau GmbH & Co. KG Dispositif pour le traitement d'objets avec au moins un jet d'air directionnel à température régulée
WO2009074344A1 (fr) * 2007-12-13 2009-06-18 Gerd Wurster Dispositif de refroidissement et procédé de refroidissement d'objets sortant d'un dispositif d'application de revêtement
WO2013064212A1 (fr) * 2011-11-03 2013-05-10 Eisenmann Ag Module de filtration et dispositif servant à séparer un excédent de pulvérisation et installation dotée dudit module et dispositif
WO2017060332A1 (fr) * 2015-10-06 2017-04-13 Eisenmann Se Dispositif de thermorégulation d'objets et procédé de commande d'un dispositif de thermorégulation d'objets
EP2236215B1 (fr) * 2009-04-02 2018-05-02 Volker Haas Préséparateur pour l'ouverture d'aspiration ou d'évacuation d'installations d'aspiration de brouillards de pulvérisation ou d'installations de laquage etc.
EP2422153B1 (fr) 2009-04-24 2018-10-24 Dürr Systems AG Dispositif de séchage et/ou de durcissage
WO2021160218A3 (fr) * 2020-02-11 2021-10-07 Dürr Systems Ag Installation de mise en température
US11674752B2 (en) 2015-07-31 2023-06-13 Dürr Systems Ag Treatment installation and method for treating workpieces
CN116511001A (zh) * 2023-04-11 2023-08-01 机械工业第四设计研究院有限公司 横向输送和纵向输送相结合的烘干及强冷室
CN117358485A (zh) * 2023-12-08 2024-01-09 江苏鑫常特材有限公司 一种不锈钢无缝管自动喷涂设备
WO2024057214A1 (fr) * 2022-09-13 2024-03-21 Belvac Production Machinery, Inc. Système de séchage et procédé de séchage d'un revêtement pour boîtes

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DE102013004136A1 (de) 2013-03-09 2014-09-11 Volkswagen Aktiengesellschaft Vorrichtung zum Trocknen eines Werkstücks und Verfahren zum Betrieb einer derartigen Vorrichtung
DE102013105320A1 (de) 2013-05-23 2014-11-27 Ev Group E. Thallner Gmbh Vorrichtung und Verfahren zum Beschichten eines Substrats
DE102015017280B3 (de) 2015-07-31 2019-04-04 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015017278B3 (de) 2015-07-31 2019-04-04 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015017279B3 (de) 2015-07-31 2019-04-04 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015214706A1 (de) 2015-07-31 2017-02-02 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102015014242A1 (de) 2015-11-05 2016-05-12 Daimler Ag Kühlzonenanordnung für eine Lackieranlage
CN106931742A (zh) * 2017-04-14 2017-07-07 汉广天工机械设备（北京）有限公司 一种含挥发成份湿物料两段式热泵烘干设备及烘干方法

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US5070625A (en) * 1988-04-25 1991-12-10 Urquhart Gordon T Oven for the curing and cooling of painted objects and method
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WO1993005351A1 (fr) * 1991-08-29 1993-03-18 Abb Flakt, Inc. Procede et appareil de ventilation d'un four de cuisson de peinture
EP0911086A1 (fr) * 1997-10-21 1999-04-28 Dürr Systems GmbH Zone de refroidissement d'une installation de peinture et méthode pour empêcher la condensation sur des parties d'une telle installation

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002073109A1 (fr) * 2001-03-12 2002-09-19 Dürr Systems GmbH Systeme de sechage a air chaud pour installation de revetement
WO2002097346A1 (fr) * 2001-05-26 2002-12-05 EISENMANN Maschinenbau KG (Komplementär: Eisenmann-Stiftung) Secheur
US6935052B2 (en) 2001-05-26 2005-08-30 Eisenmann Maschinenbau Kg Dryer
EP1555498A2 (fr) * 2004-01-12 2005-07-20 EISENMANN Maschinenbau GmbH & Co. KG Dispositif pour le traitement d'objets avec au moins un jet d'air directionnel à température régulée
EP1555498A3 (fr) * 2004-01-12 2008-07-23 EISENMANN Anlagenbau GmbH & Co. KG Dispositif pour le traitement d'objets avec au moins un jet d'air directionnel à température régulée
CN1641304B (zh) * 2004-01-12 2013-07-17 艾森曼股份公司 用至少一个经调温的定向的空气射流处理物体的装置
WO2009074344A1 (fr) * 2007-12-13 2009-06-18 Gerd Wurster Dispositif de refroidissement et procédé de refroidissement d'objets sortant d'un dispositif d'application de revêtement
US8286365B2 (en) 2007-12-13 2012-10-16 Gerd Wurster Cooling apparatus and method for cooling objects from a coating device
EP2236215B1 (fr) * 2009-04-02 2018-05-02 Volker Haas Préséparateur pour l'ouverture d'aspiration ou d'évacuation d'installations d'aspiration de brouillards de pulvérisation ou d'installations de laquage etc.
EP2422153B1 (fr) 2009-04-24 2018-10-24 Dürr Systems AG Dispositif de séchage et/ou de durcissage
RU2636484C2 (ru) * 2011-11-03 2017-11-23 Айзенманн Се Установка для нанесения покрытия
EP2773440B1 (fr) 2011-11-03 2018-05-30 Eisenmann SE Installation avec un dispositif servant à séparer un excédent de pulvérisation
WO2013064212A1 (fr) * 2011-11-03 2013-05-10 Eisenmann Ag Module de filtration et dispositif servant à séparer un excédent de pulvérisation et installation dotée dudit module et dispositif
US10780382B2 (en) 2011-11-03 2020-09-22 Eisenmann Se Filter module and device for the separation of overspray, and plant having the same
US11674752B2 (en) 2015-07-31 2023-06-13 Dürr Systems Ag Treatment installation and method for treating workpieces
WO2017060332A1 (fr) * 2015-10-06 2017-04-13 Eisenmann Se Dispositif de thermorégulation d'objets et procédé de commande d'un dispositif de thermorégulation d'objets
RU2726534C2 (ru) * 2015-10-06 2020-07-14 Айзенманн Се Устройство для темперирования изделий и способ управления устройством для темперирования изделий
WO2021160218A3 (fr) * 2020-02-11 2021-10-07 Dürr Systems Ag Installation de mise en température
WO2024057214A1 (fr) * 2022-09-13 2024-03-21 Belvac Production Machinery, Inc. Système de séchage et procédé de séchage d'un revêtement pour boîtes
CN116511001A (zh) * 2023-04-11 2023-08-01 机械工业第四设计研究院有限公司 横向输送和纵向输送相结合的烘干及强冷室
CN117358485A (zh) * 2023-12-08 2024-01-09 江苏鑫常特材有限公司 一种不锈钢无缝管自动喷涂设备
CN117358485B (zh) * 2023-12-08 2024-03-15 江苏鑫常特材有限公司 一种不锈钢无缝管自动喷涂设备

Also Published As

Publication number Publication date
BR0003977A (pt) 2001-04-03
EP1080788B1 (fr) 2005-01-26
KR20010076185A (ko) 2001-08-11
DE19941760A1 (de) 2001-03-22
DE50009334D1 (de) 2005-03-03
ES2232360T3 (es) 2005-06-01

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