EP1952892A1 - Installation de revêtement par poudre vaporisée et procédé de revêtement par poudre vaporisée - Google Patents

Installation de revêtement par poudre vaporisée et procédé de revêtement par poudre vaporisée Download PDF

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Publication number
EP1952892A1
EP1952892A1 EP07120752A EP07120752A EP1952892A1 EP 1952892 A1 EP1952892 A1 EP 1952892A1 EP 07120752 A EP07120752 A EP 07120752A EP 07120752 A EP07120752 A EP 07120752A EP 1952892 A1 EP1952892 A1 EP 1952892A1
Authority
EP
European Patent Office
Prior art keywords
powder
recovery
fresh
container
spray coating
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
EP07120752A
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German (de)
English (en)
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EP1952892B1 (fr
Inventor
Felix Mauchle
Mark Steinemann
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.)
Gema Switzerland GmbH
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Gema Switzerland GmbH
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Filing date
Publication date
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Publication of EP1952892A1 publication Critical patent/EP1952892A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1454—Arrangements for supplying particulate material comprising means for supplying collected oversprayed particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/081—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1472—Powder extracted from a powder container in a direction substantially opposite to gravity by a suction device dipped into the powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • 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
    • B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material

Definitions

  • the invention relates to a powder spray coating system according to the preamble of the independent claims.
  • Pulversprühbe slaughterungsanlagen are for example from the US 3,918,641 .
  • the object of the invention is to achieve a more efficient powder spray coating and powder spray coating process.
  • Fig. 1 schematically shows a preferred embodiment of a powder spray coating system according to the invention for spray coating of objects 2 with coating powder, which is then melted in a furnace, not shown, on the object.
  • One or more electronic control units 3 are provided for controlling the functions of the powder spray coating system.
  • For pneumatic conveying of the coating powder powder pumps 4 are provided. These can be injectors, in which coating powder is sucked by means of compressed air serving as compressed air from a powder container, after which then the mixture of conveying air and coating powder flows together into a container or to a spraying device.
  • Injectors are z. B. from the EP 0 412 289 B1 known.
  • a powder pump and those types of pumps can be used which convey small portions of powder by means of compressed air in succession, each one small powder portion (powder) stored in a powder chamber and then pushed out of the powder chamber by means of compressed air. The compressed air remains behind the powder portion and pushes the powder portion in front of him.
  • These types of pumps are sometimes referred to as pneumatic push pumps or plug-lift pumps because the compressed air pushes the stored powder portion through a pump outlet line like a plug.
  • Various types of such powder pumps for conveying dense coating powder are known, for example, from the following documents: DE 103 53 968 A1 . US 6,508,610 B2 . US 2006/0193704 A1 . DE 101 45 448 A1 . WO 2005/051549 A1 ,
  • the invention is not limited to any of the mentioned types of powder pumps.
  • a compressed air source 6 is provided, which via corresponding Druckeinstellelemente 8, z. B. pressure regulator and / or valves, is connected to the various devices.
  • Fresh powder from a powder supplier is from a supplier container, which, for example, a small container 12 z. B. in the form of a dimensionally stable container or a bag with a powder amount of, for example, between 10 to 50 kg, z. B. 25 kg, or z. B. a large container 14, for example, also a dimensionally stable container or bag, with a powder amount between, for example, 100 kg and 1000 kg may be supplied by means of a powder pump 4 in a fresh powder line 16 or 18 of a screening device 10.
  • the screening device 10 may be provided with a vibrator 11.
  • the terms "small container” and “large container” respectively mean both "dimensionally stable container” and “non-dimensionally stable, flexible bag", except where expressly referred to one or the other Be Strukturnisart.
  • the coating powder sieved by the sieve device 10 is conveyed by gravity or preferably in each case by a powder pump 4 via one or more powder feed lines 20 through powder inlet openings 26 into an intermediate container chamber 22 of a dimensionally stable intermediate container 24.
  • the volume of the intermediate container chamber 22 is preferably substantially smaller than the volume of the fresh powder small container 12.
  • the powder pump 4 of the at least one powder supply line 20 to the intermediate container 24 is a compressed air push pump.
  • the initial portion of the powder supply line 20 may serve as a pump chamber, in which sieved by the sieve 10 powder through a valve, for. B. a pinch valve falls. After this pumping chamber contains a certain powder portion, the powder supply line 20 is fluidically separated by closing the valve of the screening device 10. After that, the Powder portion pushed by compressed air through the powder supply line 20 into the intermediate container chamber 20.
  • the powder inlet openings 26 are preferably arranged in a side wall of the intermediate container 24, preferably near the bottom of the intermediate container chamber 22, so that when flushing the intermediate container chamber 22 by means of compressed air also on the ground located powder residues can be driven out through the powder inlet openings 26, for which purpose the powder supply lines 20 preferably from the screening device 10 are separated and directed into a waste container, as in Fig. 1 is indicated schematically by a dashed arrow 28.
  • a plunger 30 provided with compressed-air nozzles can be moved through the intermediate container chamber 22.
  • Pulverauslassö réelleen 36 are powder pumps 4, z. B. injectors, connected to spray devices 40 for conveying coating powder through powder lines 38.
  • the spray devices 40 may include spray nozzles or rotary atomizers for spraying the coating powder 42 onto the object 2 to be coated, which is preferably located in a coating booth 43.
  • the powder outlet openings 36 are preferably located in a wall opposite the wall in which the powder inlet openings 26 are located.
  • the powder outlet openings 36 are preferably also located near the bottom of the intermediate container chamber 22.
  • the tundish chamber 22 preferably has a size which is within the range of a capacity of coating powder between 1.0 kg and 12 kg, preferably between 2.0 kg and 8.0 kg.
  • the size of the intermediate reservoir chamber 22 is preferably between 500 cm 3 and 30 000 cm 3 , preferably between 2000 cm 3 and 20 000 cm 3 .
  • the size of the intermediate container chamber 22 is selected in dependence on the number of powder outlet openings 36 and the powder lines 38 connected thereto in such a way that a continuous spray coating operation is possible, However, the intermediate container chamber 22 can be cleaned quickly in coating pauses for a powder change, preferably automatically.
  • the intermediate container chamber 22 may be provided with a fluidizing device for fluidizing the coating powder.
  • Coating powder 42 which does not adhere to the object 2, is sucked as excess powder via a surplus powder line 44 into a cyclone separator 48 by means of a suction air flow of a blower 46.
  • the excess powder is separated in Zyklonabscheider 48 as far as possible from the suction air stream.
  • the separated powder portion is then passed as a recovery powder from the cyclone 48 via a powder recovery line 50 to the sifter 10, where it passes through the sifter 10, either alone or mixed with fresh powder via the powder supply lines 20 back into the intermediate container chamber 22.
  • FIG Fig. 1 is shown schematically by a dashed line 51.
  • the powder recovery line 50 in order not to be separated from the screening device 10, may be provided with a switch 52, to which it is alternatively connectable to the screening device 10 or to a waste container.
  • the intermediate container 24 may have one or more, for example two sensors S1 and / or S2, in order to control the supply of coating powder into the intermediate container chamber 22 by means of the control unit 3 and the powder pumps 4 in the powder feed lines 20.
  • the lower sensor S1 detects a lower powder level limit
  • the upper S2 sensor detects an upper powder level limit.
  • the lower end portion 48-2 of the cyclone 48 may be formed and used as a reservoir for recovery powder and provided with one or more, for example, two sensors S3 and / or S4, which are functionally connected to the control unit 3.
  • the fresh powder feed through the fresh powder feed lines 16 and 18 are automatically stopped as long as there is sufficient recovery powder in the cyclone separator 48 to supply the intermediate tank chamber 22 through the sieve apparatus 10 with recovery powder in a sufficient amount required for the spray coating operation by means of the spray devices 40. If there is no longer sufficient recovery powder in the cyclone separator 48, then the supply of fresh powder through the fresh powder supply lines 16 or 18 can be switched over automatically. Furthermore, it is also possible to feed fresh powder and recovery powder simultaneously to the sieve device 10 so that they are mixed together.
  • the exhaust air of the cyclone 48 passes through an exhaust duct 54 in a Nachfiltervorraum 56 and therein by one or more filter elements 58 to the fan 46 and after this in the outside atmosphere.
  • the filter elements 58 may be filter bags or filter cartridges or filter plates or similar filter elements.
  • the separated by the filter elements 58 from the air flow powder is usually waste powder and falls by gravity into a waste container or can, such as Fig. 1 shows, via one or more waste lines 60, each containing a powder pump 4, are conveyed into a waste container 62 at a waste station 63.
  • the waste powder may also be recovered to the screening device 10 to re-enter the coating circuit.
  • Fig. 1 represented by switches 59 and branch lines 61 of the waste lines 60 schematically.
  • cyclone separator 48 is usually used in combination with post-filter device 56 only if it is a problematic coating powder.
  • recovery powder of the cyclone 48 is supplied via the powder recovery line 50 of the sieve 10, while the waste powder of the Nachfiltervoriques 56 as waste in the waste container 62 or in another waste container, the latter without waste lines 60 directly below an outlet opening of the Nachfiltervortechnisch 56th can be made.
  • the lower end of the cyclone device 48 may include an outlet valve 64, such as a pinch valve. Furthermore, a fluidizing device 66 for fluidizing the coating powder may be provided above this outlet valve 64, in or at the lower end of the, designed as a reservoir, lower end portion 48-2 of the cyclone 48.
  • the fluidizing device 66 includes at least one fluidising wall 80 of an open-pore or narrow-bore material which is pervious to compressed air but not to coating powder.
  • the fluidizing wall 80 is disposed between the powder path and a fluidizing compressed air chamber 81.
  • the fluidizing compressed-air chamber 81 can be connected to the compressed-air source 6 via a pressure-adjusting element 8.
  • the fresh powder line 16 and / or 18 may be fluidly connected at its upstream end, either directly or through the powder pump 4, to a powder delivery tube 70 which is submerged in the supplier vessel 12 or 14 for aspiration of fresh coating powder.
  • the powder pump 4 may be disposed at the beginning, at the end or in between in the fresh powder line 16 or 18 or at the upper or lower end of the powder conveying tube 70.
  • Fig. 1 shows as fresh powder small container a fresh powder powder bag 12 in a bag receiving hopper 74.
  • the powder bag 12 is held by the bag receiving hopper 74 in a defined shape, wherein the bag opening is located at the upper bag end.
  • the bag receiving hopper 74 may be disposed on a scale or weighing sensors 76. Depending on the type, this balance or the weighing sensors can generate an optical display and / or an electrical signal which, after subtracting the weight of the bag receiving hopper 74, corresponds to the weight and thus also the amount of the coating powder in the small container 12.
  • At the bag receiving hopper 74 at least one vibrator 78 vibrating it is preferably arranged.
  • Two or more small containers 12 can each be provided in a bag receiving hopper 74 and / or two or more large containers 14, which can be used alternatively. As a result, a quick change from one to another small container 12 or large container 14 is possible.
  • the screening device 10 can be integrated into the intermediate container 24. Furthermore, the screening device 10 can be omitted if the fresh powder has a sufficiently good quality. In this case, it is also possible to use for sieving the recovery powder of the lines 44 and 50, a separate sieve, z. Upstream or downstream of the cyclone shut-off 48 or in the cyclone shut-off 48. Also, the recovery powder will not require a sieve if its powder grade is sufficiently good for reuse.
  • Fig. 2 shows, opposite Fig. 1 It contains the pressurized air permeable but coating powder impermeable fluidizing wall 80 between the powder path at the lower end of the reservoir 48-2 and the fluidizing pressurized air chamber 81 extending above the fluidizing wall 80.
  • Compressed air of the compressed air source 6 passes through a control 8, z.
  • Die Fluidisierwand 80 can the lower end of the Form end portion 48-2 over a powder outlet 204 of the end portion 48-2 completely or partially.
  • Two or more fluidizing walls 80 and fluidizing compressed air chambers 81 can be distributed over the circumference of the end portion 48-2 formed as a reservoir.
  • the exhaust valve 64 has a vertical distance 202 from the measurement level of the upper sensor S3 and a vertical distance 206 from the measurement level of the lower sensor S4 of the end portion 48-2.
  • the volume of the reservoir-serving end portion 48-2 between the two sensors S3 and S4 defines a predetermined reserve volume for recovery powder.
  • Powder spray coating system comprising an intermediate container (24), from which coating powder is pneumatically conveyable to at least one spray device (40); at least one sensor (S1) on the intermediate container (24) for generating a powder requirement signal when the powder level in the intermediate container (24) has fallen below a predetermined minimum powder level; a cyclone separator (48) for separating recovery powder from a stream of air containing sprayed excess powder which missed an object to be coated; characterized, a recovery powder reservoir (48-2) is disposed on the way of the recovery powder from the cyclone separator (48) to the intermediate container (24) for temporarily storing the recovery powder in the recovery powder reservoir (48-2) before being supplied to the intermediate container (24) becomes; in that the recovery powder storage container (48-2) is provided with at least one storage tank sensor (S3) for generating a recovery powder information signal in dependence on whether the powder level is below a minimum level or at least at the minimum level is; in that a fresh powder supply device (70, 74) is provided for supplying fresh powder powder from a fresh
  • the at least one reservoir sensor (S3) is positioned high enough on the recovery powder reservoir (48-2) such that the recovery powder reservoir (48-2) below the reservoir sensor (S3) has a powder reserve section (202) which can store a predetermined recovery powder reserve amount that reaches to the minimum level.
  • Powder spray coating system characterized, in that the at least one control unit (3) for automatic switching of the powder spray coating plant from the second operating phase to a reserve operating phase is formed, in which only recovery powder from the powder reserve section (202) of the recovery powder storage tank (48-2) is fed to the intermediate tank (24), However, no fresh powder from the fresh powder supply device (70, 74), if after a predetermined delay time after switching from the first phase of operation to the second phase of operation further from the tundish sensor (S1) a powder demand signal is present, said at least one control unit (3) contains a delay circuit which defines the delay time or at which the delay time is variably adjustable.
  • the recovery powder reservoir (48-2) is provided with a second reservoir sensor (S4) for generating a distress signal each time the recovery powder level in the recovery powder reservoir (48-2) has dropped to a predetermined lower limit level a predetermined distance below the predetermined recovery powder minimum level of the first reservoir sensor (S3).
  • Powder spray coating system according to one of the preceding embodiments, characterized, that the recovery powder storage container (48-2) is disposed below the cyclone separator (48) and between which a vertical passage is formed through which recovery powder may fall by gravity from the cyclone separator (48) into the recovery powder storage container (40-2) ,
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that the recovery powder storage container (48-2) has a container housing, which is a lower extension of the housing of the cyclone separator (48).
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that the housing of the recovery powder storage container (48-2) is designed to be narrower from top to bottom in the shape of a truncated cone.
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that the recovery powder storage container (48-2) is provided with a fluidizing device (66) for fluidizing the recovery powder present in the recovery powder storage container (48-2) by means of compressed air which is passed through the fluidizing device (66) into the recovery powder storage container (48). 2) can be introduced.
  • a fluidizing device (66) for fluidizing the recovery powder present in the recovery powder storage container (48-2) by means of compressed air which is passed through the fluidizing device (66) into the recovery powder storage container (48). 2 can be introduced.
  • a shut-off device (64), preferably in the form of at least one pinch valve, for the alternative shut-off or opening of a powder outlet (204), is provided at the lower end of the recovery powder storage container (48-2). at the lower end of the recovery powder reservoir (48-2) is provided.
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that the at least one intermediate container sensor (S1, S2) and / or the at least one storage container sensor (S3, S4) are powder level sensors which generate said signal as a function of the powder level detected by them.
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that the fresh powder supply device (70, 74) has a sensor device (76) which generates a first signal as a function of the quantity of fresh powder which is present in a fresh powder container (12) in the fresh powder supply device (70, 74), preferably at least whenever the amount of fresh powder in the fresh powder container (12) falls below a predetermined residual amount value.
  • Powder spray coating system characterized, in that the sensor device (76) of the fresh powder supply device (70, 74) is functionally connected to the at least one control device (3) and generates a second signal in the at least one control device when the fresh powder quantity in the fresh powder container (12) has dropped to a lower limit value which is a predetermined distance below the residual amount value at which said first signal is generated.
  • Powder spray coating system characterized, the at least one control device (3), upon receiving the second signal of the sensor device (76) of the fresh powder supply device (70, 74), switches the powder spray coating system to a reserve operating phase if a powder demand signal is also generated by the at least one intermediate container sensor (S1) wherein during the reserve operation phase, only recovery powder from the powder reserve section (202) of the recovery powder storage tank (48-2) is supplied to the intermediate tank (24), but no fresh powder from the fresh powder supply device (70, 74).
  • the at least one control device (3) upon receiving the second signal of the sensor device (76) of the fresh powder supply device (70, 74), switches the powder spray coating system to a reserve operating phase if a powder demand signal is also generated by the at least one intermediate container sensor (S1) wherein during the reserve operation phase, only recovery powder from the powder reserve section (202) of the recovery powder storage tank (48-2) is supplied to the intermediate tank (24), but no fresh powder from the fresh powder supply device (70, 74).
  • Powder spray coating system characterized, in that the sensor device (76) of the fresh powder supply device (70, 74) is operatively connected to the at least one control device (3), and that the at least one control device (3) is designed such that it responds to the first signal from the Sensor device (76) of the fresh powder supply device (70, 74), the spray coating system switches to a reserve operating phase, when further a powder demand signal from the at least one surge tank sensor (S1) is generated, wherein in the reserve operating phase the intermediate container (24) only recovery powder from the Powder reserve portion (202) of the recovery powder storage container (48-2) is supplied, but no fresh powder from the fresh powder supply device (70, 74).
  • Powder spray coating system characterized, in that the sensor device (76) of the fresh powder supply device (70, 74) is functionally connected to the at least one control device (3), and that the at least one control device (3) is designed such that it responds on the first signal from the sensor device (76) of the fresh powder supply device (70, 74), the spray coating system switches to a reserve operating phase, when a powder demand signal from the at least one surge tank sensor (S1) is further generated, wherein in the reserve operating phase the intermediate tank ( 24) only recovery powder from the powder reserve section (202) of the recovery powder storage container (48-2) is supplied, but no fresh powder from the fresh powder supply device (70, 74), and wherein the control device (3) includes a time delay circuit, by which Switching to the reserve operating phase only after a predetermined time delay period after receipt of the first signal of the sensor device (76) of the fresh powder supply device (70, 74) is effected.
  • Powder spray coating system according to any one of embodiments 11 to 15, characterized, in that the sensor device (76) of the fresh powder supply device (70, 72) is a weighing device for weighing the weight of the fresh powder in a fresh powder container (12).
  • Powder spray coating system according to one of the preceding embodiments, characterized, in that a screening device (10) is arranged on the powder path of the recovery powder from the recovery powder storage container (48-2) to the intermediate container (24).
  • Powder spray coating system characterized, that the Frischpulverzubowweg from the fresh powder supply device (70, 74) to the intermediate container (24) through the sieve device (10), so that the fresh powder is sieved.
  • Powder spray coating system marked by a powder pump (4) in a preferably closed to the outside, Pulverwegabites (50) of the recovery powder from the recovery powder reservoir (48-2) to the input side of the screening device (10), preferably also the input side of the screening device against the outside atmosphere for coating powder closed is.
  • Powder spray coating system marked by a powder pump (4) in the at least one, preferably closed to the outside atmosphere, Pulverwegabites (16) of the fresh powder from the fresh powder container (12) of the fresh powder supply device (70, 74) to the input side of the screening device (10), preferably also the Input side of the screening device with respect to the coating powder against the outside atmosphere is closed.
  • Powder spray coating system marked by in each case a powder pump (4) in the at least one, preferably closed to the outside atmosphere, Pulverwegabites (20) from an output side of the screening device (10) in the intermediate container (24), preferably also the output side of the screening device (10) and the intermediate container (24 ) are closed to the outside atmosphere with respect to the coating powder.
  • Powder spray coating system according to at least one of the preceding embodiments, marked by in each case a powder pump (4) in the at least one powder path (38) of the coating powder from the intermediate container (24) to the at least one spray device (40).
  • Powder spray coating method in particular for operating the powder spray coating system according to one of the preceding embodiments, in which coating powder is pneumatically conveyed from an intermediate container (24) to at least one spray device (40); by means of at least one sensor (S1) on the intermediate container (24) a powder demand signal is generated when the powder level in the intermediate container (24) falls below a predetermined minimum powder level; using a cyclone separator (48), reclaiming recovery powder from an air stream containing sprayed excess powder which missed an object to be coated; characterized, in that recovery powder is intermediately stored on the way from the cyclone separator (48) to the intermediate tank (24) in a recovery powder storage tank (48-2), by means of at least one storage tank sensor (S3) generating a recovery powder information signal depending on whether the powder level in the recovery powder reservoir (48-2) is below a minimum level or at least at the minimum level; that un-sprayed fresh powder from a fresh powder container (12) is supplied to the intermediate container (24) on a powder path which bypasses the cyclone separat
  • Powder spray coating method characterized, in a lower powder reserve section (202) of the recovery powder reservoir (48-2) during the first phase of operation, a recovery powder reserve amount is stored, and that is automatically switched from the second phase of operation to a reserve operating phase, in which the intermediate container (24) only recovery powder is supplied from the recovery powder reserve amount of the powder reserve portion (202), but no fresh powder from the fresh powder supply device (70, 74), if after a predetermined delay time after switching from the first phase of operation to the second phase of operation further from the tundish sensor (S1) a powder requirement signal is present.

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  • Coating Apparatus (AREA)
EP07120752.6A 2007-02-02 2007-11-15 Installation de revêtement par poudre vaporisée et procédé de revêtement par poudre vaporisée Active EP1952892B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007005309A DE102007005309A1 (de) 2007-02-02 2007-02-02 Pulversprühbeschichtungsanlage und Pulversprühbeschichtungsverfahren

Publications (2)

Publication Number Publication Date
EP1952892A1 true EP1952892A1 (fr) 2008-08-06
EP1952892B1 EP1952892B1 (fr) 2014-03-26

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EP07120752.6A Active EP1952892B1 (fr) 2007-02-02 2007-11-15 Installation de revêtement par poudre vaporisée et procédé de revêtement par poudre vaporisée

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US (1) US7971551B2 (fr)
EP (1) EP1952892B1 (fr)
DE (1) DE102007005309A1 (fr)
WO (1) WO2008093180A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202342A1 (fr) * 2013-06-19 2014-12-24 Gema Switzerland Gmbh Dispositif de refoulement de poudre, en particulier pour poudre de revêtement

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025740A1 (de) * 2010-06-30 2012-01-05 Illinois Tool Works Inc. Pulverversorgungssvorrichtung und Verfahren zum automatischen Reinigen einer Pulverversorgungseinrichtung
DE102010025749B4 (de) * 2010-06-30 2014-11-20 Gema Switzerland Gmbh Pulverversorgungsvorrichtung für eine Pulverbeschichtungsanlage
DE102010039473B4 (de) * 2010-08-18 2014-11-20 Gema Switzerland Gmbh Pulverversorgungsvorrichtung für eine Pulverbeschichtungsanlage
DE102011004035A1 (de) * 2011-02-14 2012-08-16 Illinois Tool Works Inc. Pulverpumpe zum Fördern von Beschichtungspulver
US9162245B1 (en) 2012-03-29 2015-10-20 BTD Wood Powder Coating, Inc. Powder coating conveyor support
US9358580B1 (en) 2013-03-12 2016-06-07 BTD Wood Powder Coating, Inc. Method for preparing and top coating a powder coated wood substrate
US8721396B1 (en) 2013-03-12 2014-05-13 BTD Wood Powder Coating, Inc. Method for preparing and buffing a powder coated wood substrate
US11829123B2 (en) * 2021-12-28 2023-11-28 FTD Solutions Inc. Systems and methods for managing material balance between incoming and outgoing streams of a material in an industrial system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529590A (de) 1971-07-20 1972-10-31 Gema Ag App Bau Anlage zur Versorgung einer elektrostatischen Beschichtungseinrichtung mit pulverförmigem Beschichtungsmaterial
US3918641A (en) 1974-11-14 1975-11-11 Gema Ag Electrostatic powder coating installation
US3960323A (en) 1971-11-02 1976-06-01 Nordson Corporation Powder spray system
EP0412289A2 (fr) 1989-08-11 1991-02-13 ITW Gema AG Dispositif de pulvérisation électrostatique
DE4239496A1 (de) 1992-11-25 1994-05-26 Gema Volstatic Ag St Gallen Pulver-Sprühbeschichtungsvorrichtung
EP0606577A1 (fr) * 1993-01-14 1994-07-20 ITW Gema AG Dispositif de revêtement de poudre par pulverisation
US5454256A (en) * 1992-08-13 1995-10-03 Nordson Corporation Powder coating system with dew-point detection
DE19517229A1 (de) * 1995-05-11 1996-11-14 Gema Volstatic Ag Verfahren und Vorrichtung zur Pulver-Sprühbeschichtung
WO1997012693A1 (fr) * 1995-10-05 1997-04-10 Herberts Powder Coatings Ab Procede et dispositif d'alimentation en poudre pour installation de poudrage
US6129946A (en) * 1998-03-02 2000-10-10 Wagner International Ag Powder coating apparatus and method for supplying and mixing powder in a coating apparatus
DE10353968A1 (de) 2003-11-19 2005-07-07 Itw Gema Ag Beschichtungspulver-Fördervorrichtung und -Förderverfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929678A1 (de) 1989-09-07 1991-03-28 Porsche Ag Schaltvorrichtung fuer ein zahnraeder-wechselgetriebe eines kraftfahrzeugs
US5474609A (en) * 1992-06-30 1995-12-12 Nordson Corporation Methods and apparatus for applying powder to workpieces
AU3374595A (en) 1994-10-11 1996-05-02 Nordson Corporation Vehicle powder coating system
DE19959473A1 (de) 1999-12-10 2001-06-13 Frederic Dietrich Vorrichtung und Verfahren zum pneumatischen Fördern pulverförmiger Stoffe sowie Verwendung der Vorrichtung
US20020014200A1 (en) * 2000-04-25 2002-02-07 Stemler Terry L. Granule coating apparatus and method
DE10145448A1 (de) 2001-09-14 2003-05-22 Bayerische Motoren Werke Ag Vorrichtung zum Fördern von Pulver und Verfahren zu deren Betrieb
ITMI20031419A1 (it) 2003-07-11 2005-01-12 Studio A Z Di Giancarlo Simontacchi Dispositivo per il trasporto di polveri attraverso tubazioni
US20050158187A1 (en) 2003-11-24 2005-07-21 Nordson Corporation Dense phase pump for dry particulate material
JP4730780B2 (ja) * 2006-04-18 2011-07-20 株式会社リコー 粉体供給装置及び画像形成装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529590A (de) 1971-07-20 1972-10-31 Gema Ag App Bau Anlage zur Versorgung einer elektrostatischen Beschichtungseinrichtung mit pulverförmigem Beschichtungsmaterial
US3960323A (en) 1971-11-02 1976-06-01 Nordson Corporation Powder spray system
US3918641A (en) 1974-11-14 1975-11-11 Gema Ag Electrostatic powder coating installation
EP0412289A2 (fr) 1989-08-11 1991-02-13 ITW Gema AG Dispositif de pulvérisation électrostatique
US5454256A (en) * 1992-08-13 1995-10-03 Nordson Corporation Powder coating system with dew-point detection
DE4239496A1 (de) 1992-11-25 1994-05-26 Gema Volstatic Ag St Gallen Pulver-Sprühbeschichtungsvorrichtung
EP0606577A1 (fr) * 1993-01-14 1994-07-20 ITW Gema AG Dispositif de revêtement de poudre par pulverisation
DE19517229A1 (de) * 1995-05-11 1996-11-14 Gema Volstatic Ag Verfahren und Vorrichtung zur Pulver-Sprühbeschichtung
WO1997012693A1 (fr) * 1995-10-05 1997-04-10 Herberts Powder Coatings Ab Procede et dispositif d'alimentation en poudre pour installation de poudrage
US6129946A (en) * 1998-03-02 2000-10-10 Wagner International Ag Powder coating apparatus and method for supplying and mixing powder in a coating apparatus
DE10353968A1 (de) 2003-11-19 2005-07-07 Itw Gema Ag Beschichtungspulver-Fördervorrichtung und -Förderverfahren

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202342A1 (fr) * 2013-06-19 2014-12-24 Gema Switzerland Gmbh Dispositif de refoulement de poudre, en particulier pour poudre de revêtement
CN105324180A (zh) * 2013-06-19 2016-02-10 格玛瑞士有限公司 特别用于输送涂层粉末的粉末输送设备
US9834391B2 (en) 2013-06-19 2017-12-05 Gema Switzerland Gmbh Powder feeding device, in particular for coating powder
CN105324180B (zh) * 2013-06-19 2019-05-10 格玛瑞士有限公司 用于操作粉末密相泵的方法以及粉末输送设备

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US20080187658A1 (en) 2008-08-07
DE102007005309A1 (de) 2008-08-07
US7971551B2 (en) 2011-07-05
EP1952892B1 (fr) 2014-03-26
WO2008093180A1 (fr) 2008-08-07

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