Abstract: The invention relates to a method for operating a treatment system, by means of which an optimized workpiece treatment is facilitated. The method for operating a treatment system comprises the following steps: guiding workpieces through a treatment basin filled with a treatment medium in order to treat the workpieces; rinsing the workpieces with a rinsing medium while and/or after the workpieces are removed from the treatment basin; and producing the rinsing medium from the treatment medium, wherein the rinsing medium is produced using a preparation device preferably by filtering, in particular nano-filtering, the treatment medium.

Abstract: A system for drying vehicle bodies and/or for controlling the temperature thereof. The system includes a cabin and has a heater for heating hot air for the cabin. The system is equipped with a mechanical energy-consuming device, for example, a generator and/or a fan. The heater contains at least one heat exchanger. The hot exhaust gas of a thermal engine can be supplied to the heat exchanger. The thermal engine is coupled to the mechanical energy-consuming device, for example, the generator, so as to move together. Because of the coupled movement, mechanical energy can be transmitted from the thermal engine to the mechanical energy-consuming device.

Abstract: In a paint plant which comprises at least one spray-painting device incorporating at least one application unit for painting workpieces and in particular motor vehicle bodies with a fluid paint, in order to enable the fluid paint overspray i.e. the paint particles which are not adhering to the workpieces that are to be painted and which are picked up and carried along in an air flow passing through the application area of the paint shop, to be re-separated from this air flow and also to enable the cleansed air flow to be returned to the application area in an air re-circulating system or else expelled into the environment of the plant, the paint shop comprises a device for separating fluid paint overspray from a stream of crude gas that contains overspray particles wherein this device comprises at least one filter element for separating the overspray from the stream of crude gas.

Abstract: A kit for a dryer portion of a dryer is provided, by means of which a dryer portion of the dryer can be transported in a particularly space-saving manner to an assembly site of the dryer and can be assembled from particularly few parts, wherein the kit comprises at least two components, at least one left-hand side wall component comprising a left-hand side wall portion of the dryer, at least one right-hand side wall component comprising a right-hand side wall portion of the dryer and at least one component comprising a base wall portion and/or a ceiling wall portion of the dryer and a conveying unit of a conveying device for conveying workpieces to be dried through the dryer in the assembled state of the dryer, the dryer portion of the dryer being configured to be assembled at an assembly site from the at least two components of the kit.

Abstract: In a paint plant which comprises at least one spray-painting device incorporating at least one application unit for painting workpieces and in particular motor vehicle bodies with a fluid paint, in order to enable the fluid paint overspray i.e. the paint particles which are not adhering to the workpieces that are to be painted and which are picked up and carried along in an air flow passing through the application area of the paint shop, to be re-separated from this air flow and also to enable the cleansed air flow to be returned to the application area in an air re-circulating system or else expelled into the environment of the plant, the paint shop comprises a device for separating fluid paint overspray from a stream of crude gas that contains overspray particles wherein this device comprises at least one filter element for separating the overspray from the stream of crude gas.

Abstract: A system for drying vehicle bodies and/or for controlling the temperature thereof. The system includes a cabin and has a heater for heating hot air for the cabin. The system is equipped with a mechanical energy-consuming device, for example, a generator and/or a fan. The heater contains at least one heat exchanger. The hot exhaust gas of a thermal engine can be supplied to the heat exchanger. The thermal engine is coupled to the mechanical energy-consuming device, for example, the generator, so as to move together. Because of the coupled movement, mechanical energy can be transmitted from the thermal engine to the mechanical energy-consuming device.

Abstract: In order to create a workpiece carrier for conveying a workpiece to be painted, in particular, a vehicle body through at least one electrophoretic dip paint bath and by means of at least one conveyor device following the electrophoretic dip paint bath, comprising at least one electrical contacting device for passing a coating current into the workpiece when the workpiece is conveyed through the electrophoretic dip paint bath and at least one contact surface, at which the workpiece carrier comes into contact with the conveyor device following the electrophoretic dip paint bath, with which dip paint is prevented from rubbing off in the conveyor device following the electrophoretic dip paint bath, it is suggested that at least one contact surface be electrically insulated from the at least one contacting device.

Abstract: In order to provide a device for separating wet paint overspray from a stream of crude gas containing overspray particles which includes at least two filter devices each of which has an inlet opening through which a partial stream of crude gas enters the respective filter device and each of which includes at least one filter element for separating the overspray from the partial stream of crude gas, which allows one to maintain the fluidity of the mixture including of filter aid material and wet paint overspray that has been cleansed from the filter elements in the filter aid material reservoirs in a simple and efficient manner, it is proposed that the device should comprise at least one reservoir for receiving material which has been cleansed from the filter elements of a plurality of filter devices and a mixing device for mechanically blending the cleansed material from a plurality of filter devices.

Abstract: In order to provide an easy-to-assemble drier (100) for drying surface-treated workpieces, in particular vehicle bodies (110), which are each disposed on a respective workpiece carrier (109), comprising a drier housing (102) having a drier tunnel (108), through which the workpieces are moved along a conveying direction (112) and which is delimited in a downward direction by a drier floor (116) comprising a plurality of floor elements (118), and a conveying device (138) that conveys the workpieces through the drier tunnel (108), it is proposed that the conveying device (138) comprises a plurality of carrying roller units (140), which are disposed successively in the conveying direction (112) and each comprise at least one carrying roller (142), on which the workpiece carriers (109) rest as they are conveyed through the drier tunnel (108), wherein the carrying roller units (140) are each mountable separately on a respective floor element (118) of the drier floor (116).

Abstract: The invention relates to a conveyor device which is used to transport work-pieces, especially the work-pieces of motor vehicle bodies, through a processing area for surface treatment of said work-pieces, comprising a conveyor which brings the work-pieces which are respectively maintained by a holder into the processing area; transports them through said area and removes them therefrom. The inventive conveyor device requires less maintenance in comparison with known conveyor devices. The holders respectively comprise a base part which moves in a translatory movement along a conveyor device and a rotating part on which the work-piece is arranged and which is held in such a way that it is rotatable on the base part. The conveyor comprises at least one drive device enabling at least one directly driven respective holder to be driven directly in a movement along the conveyor device.

Abstract: The invention relates to a conveyor device which is used to transport work-pieces, especially the work-pieces of motor vehicle bodies, through a processing area for surface treatment of said work-pieces, comprising a conveyor which brings the work-pieces which are respectively maintained by a holder into the processing area; transports them through said area and removes them therefrom. The inventive conveyor device requires less maintenance in comparison with known conveyor devices. The holders respectively comprise a base part which moves in a translatory movement along a conveyor device and a rotating part on which the work-piece is arranged and which is held in such a way that it is rotatable on the base part. The conveyor comprises at least one drive device enabling at least one directly driven respective holder to be driven directly in a movement along the conveyor device.

Abstract: To provide a recovery plant for surplus water paint in paint-spraying booths comprising a circuit of water circulating in the booth, wherein such problems with sedimenting water paint particles no longer arise, it is proposed that a volume flow of water circulating in the booth flow from the circuit of water circulating in the booth through a branch pipe to a preconcentration stage, that the preconcentration stage comprise a ring circuit with an ultrafiltration unit for continuously producing a preconcentrate in the ring circuit and a permeate which leaves the ring circuit, that the permeate flow into the circuit of water circulating in the booth and the preconcentrate into a final concentration stage, that the final concentration stage comprise a ring circuit with an ultrafiltration unit which increases the concentration of the preconcentrate in batches to the final concentrate and produces a permeate which flows into the circuit of water circulating in the booth.