EP2559494B1 - Vorbehandlungsanlage mit Wärmerückgewinnung - Google Patents

Vorbehandlungsanlage mit Wärmerückgewinnung Download PDF

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Publication number
EP2559494B1
EP2559494B1 EP11006685.9A EP11006685A EP2559494B1 EP 2559494 B1 EP2559494 B1 EP 2559494B1 EP 11006685 A EP11006685 A EP 11006685A EP 2559494 B1 EP2559494 B1 EP 2559494B1
Authority
EP
European Patent Office
Prior art keywords
treatment unit
air
treatment
workpieces
dryer
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.)
Active
Application number
EP11006685.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2559494A1 (de
Inventor
Thomas Dipl.-Ing. Schöning
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.)
Rippert Besitzgesellschaft mbH & Co KG
Original Assignee
Rippert Besitzgesellschaft Mbh & Co KG
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 Rippert Besitzgesellschaft Mbh & Co KG filed Critical Rippert Besitzgesellschaft Mbh & Co KG
Priority to HUE11006685A priority Critical patent/HUE032080T2/hu
Priority to EP11006685.9A priority patent/EP2559494B1/de
Priority to PL11006685T priority patent/PL2559494T3/pl
Publication of EP2559494A1 publication Critical patent/EP2559494A1/de
Application granted granted Critical
Publication of EP2559494B1 publication Critical patent/EP2559494B1/de
Active legal-status Critical Current
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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
    • B05B16/00—Spray booths
    • B05B16/60—Ventilation arrangements specially adapted therefor

Definitions

  • the invention relates to a method for steam extraction of a pretreatment plant for surface coating equipment, in particular painting and a pretreatment plant.
  • the pretreatment processes may be, for example, pickling, chromating, phosphating or passivating, these processes being carried out today in specially designed pretreatment plants.
  • liquid media are generally applied to the workpieces, which can basically be done by dipping or rinsing. Frequently, rinsing steps are also necessary between the individual treatment steps in order to prevent mixing of the individual pretreatment media with one another. It is often necessary to heat the pretreatment media to a certain temperature, which leads to the formation of swaths in the pretreatment system as a result of the onset of vaporization of the media.
  • swaths must be removed from the system, in particular to prevent the swaths escape through openings of the system into the environment.
  • the surroundings are factory halls which, for reasons of health protection, should not be burdened by swaths. Therefore, in the context of this application, the term environment includes in particular halls, the term ambient air consequently also the indoor air.
  • a potential risk for the escape of the swaths is in particular at the moment of loading and unloading the workpieces in the pretreatment plant, especially if this is done continuously in so-called continuous systems and the system can therefore not be permanently closed during the implementation of the pretreatment.
  • a steam extraction is usually provided in such systems, which sucks air laden with swaths from the pre-treatment plant.
  • the extracted air volume is usually supplemented by ambient air, which penetrates, for example, through the inlet and Ausbringö réelleen for the workpieces but also by other, not hermetically sealed and technically caused openings or gaps in the pretreatment plant.
  • the disadvantage here is that the penetrating ambient air normally has a significantly lower temperature than the media heated for pretreatment and they are therefore cooled by the air exchange, which increases the energy consumption for heating the media.
  • the pre-treatment plants in halls and the indoor air must be supplemented, which, as the hall air usually on a certain temperature must be brought, also associated with a further energy consumption.
  • the invention is therefore based on the object of specifying a method and a pretreatment plant, which have less energy losses through the steam extraction.
  • the exhaust air from another exhaust air system into the pretreatment plant is provided.
  • This has the advantage that the proportion of air which has to enter the pretreatment plant from the environment in order to supplement the extracted air volume is reduced.
  • the ambient air consumption is reduced, which in particular means that losses tempered indoor air are reduced.
  • the procedure is particularly advantageous when the temperature of the injected exhaust air is higher than the temperature of the ambient air.
  • the heat losses are also reduced by cooling the pretreatment media, which can further minimize energy losses.
  • the exhaust air blowing is therefore advantageous.
  • the exhaust air injection according to the invention has a particularly advantageous effect in conjunction with pretreatment plants which have a transport device for transporting the workpieces.
  • transport devices in particular overhead conveyors for hanging transport of the workpieces allow a continuous operation of the pretreatment system, but also require a permanent insertion and removal of the workpieces, often the actual conveyor outside the cabin of the pretreatment plant and the individual suspension devices for the workpieces by a Gap in this cabin protrude.
  • This gap can be protected, for example, by brushing, however, perfect sealing is not achieved, so that the penetration of large amounts of ambient air in the Schwadenabsaugung is possible, although a relatively small air flow would already be sufficient to ensure that no wind through the gap in the environment can escape.
  • Fig. 1 schematically shows an exemplary, inventive pretreatment plant.
  • the exemplary pretreatment plant 1 is continuously run through by the workpieces 7, which are suspended on the transport device 5. This is located outside the housing of the pretreatment plant 1, the workpieces 7 are mounted on the transport device, wherein fastening means are passed through a gap in the housing of the pretreatment plant 1.
  • the exemplary pretreatment plant 1 has a steam suction device 4, which sucks the steam-laden air from the pretreatment plant 1 via outlets 6. To compensate for the volume of air flows to an ambient air 10, in particular through the openings 12 for loading and unloading of the workpieces 7.
  • a device 8 according to the invention for blowing in the exhaust air 11 of an exhaust system 2 is provided.
  • these are nozzles which are arranged in such a way that they produce an air flow of the blown-in exhaust air 11 in the pretreatment system 1, which leads from the openings, in particular the opening 12, to the outlets 6 for the steam-laden air ,
  • the exhaust system 2 to a conveyor 3, which fulfills a dual function in the example shown, namely the suction of the exhaust air from the exhaust system 2 and on the other hand, the blowing of the exhaust air 11 in the pretreatment system.

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  • Drying Of Solid Materials (AREA)
EP11006685.9A 2011-08-16 2011-08-16 Vorbehandlungsanlage mit Wärmerückgewinnung Active EP2559494B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HUE11006685A HUE032080T2 (hu) 2011-08-16 2011-08-16 Elõkezelõ berendezés hõvisszanyeréssel
EP11006685.9A EP2559494B1 (de) 2011-08-16 2011-08-16 Vorbehandlungsanlage mit Wärmerückgewinnung
PL11006685T PL2559494T3 (pl) 2011-08-16 2011-08-16 Instalacja do obróbki wstępnej z odzyskiem ciepła

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11006685.9A EP2559494B1 (de) 2011-08-16 2011-08-16 Vorbehandlungsanlage mit Wärmerückgewinnung

Publications (2)

Publication Number Publication Date
EP2559494A1 EP2559494A1 (de) 2013-02-20
EP2559494B1 true EP2559494B1 (de) 2016-08-31

Family

ID=44719038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11006685.9A Active EP2559494B1 (de) 2011-08-16 2011-08-16 Vorbehandlungsanlage mit Wärmerückgewinnung

Country Status (3)

Country Link
EP (1) EP2559494B1 (pl)
HU (1) HUE032080T2 (pl)
PL (1) PL2559494T3 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106925457A (zh) * 2017-04-06 2017-07-07 天长市金陵电子有限责任公司 一种连续型静电粉末喷涂机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807291A (en) * 1972-03-27 1974-04-30 Du Pont Improved painting system
DE3334257C1 (de) * 1983-09-22 1985-02-14 RMG Beierling GmbH, 4791 Altenbeken Lackier- und Abdunstanlage mit Umluftbelueftung
JPS61103564A (ja) * 1984-10-26 1986-05-22 Taikisha Ltd 塗装ブ−ス

Also Published As

Publication number Publication date
EP2559494A1 (de) 2013-02-20
PL2559494T3 (pl) 2017-02-28
HUE032080T2 (hu) 2017-08-28

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