EP2934725A2

EP2934725A2 - Compressed gas preparation system for compressed-gas operated coating installations and compressed-gas operated coating installations

Info

Publication number: EP2934725A2
Application number: EP13828912.9A
Authority: EP
Inventors: Thomas Mayer
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-20
Filing date: 2013-12-20
Publication date: 2015-10-28
Anticipated expiration: 2033-12-20
Also published as: US20150352567A1; EP2934725B1; CN105228727A; DE202012012185U1; MX351019B; CN105228727B; WO2014095081A2; WO2014095081A3; MX2015007964A

Abstract

The invention relates to a compressed gas preparation system for compressed-gas operated coating installations, said system comprising a compressed-gas source, a supply station, at least one spray head and at least one high-voltage device. The high-voltage device comprises a discharge chamber, a high-voltage discharge device and a high-voltage generator. The system is characterised in that the high-voltage device is located outside the supply station and in that the high-voltage device is connected downstream of the supply station in the flow of the compressed gas.

Description

"Gas treatment system for compressed gas operated coating systems and compressed gas operated

Coating system "

The invention relates to a compressed gas processing system for compressed gas operated coating equipment and a

Compressed gas-driven coating plant according to the preamble of claim 1, 11 or 12.

From DE 10 2011 011 054 AI is a

Druckgasaufbereitungssystem known. This

Compressed gas treatment system for compressed gas operated

Coating plants, comprises a compressed gas source, a

Supply station, a spray head and one in the

Supply station built ionization, wherein the ionization means a discharge chamber, a

High voltage discharge device and a

High voltage generator includes. It has been found that treatment of high-pressure compressed gases has a considerable influence on the flow properties and application results of the treated compressed gases in the painting technique. It may be irrelevant whether the

High-pressure treatment of the compressed gas ionization, an electrical charge or possibly even one

Phase transition into a non-thermal plasma phase, depending on which properties should be influenced or achieved. When using a long supply line to the spray head the effect decreases, for example the

However, the degree of ionization of the compressed gas below the desired level.

The invention is based on the object

Druckgasaufbereitungssystem or a gas-powered

CONFIRMATION COPY Coating plant to develop, which is also suitable for operation with a long supply lines between the supply station and the spray head.

This task is based on the characteristics of the

The preamble of claim 1 or 11 or 12 by the

characterizing features of the respective claim solved. In the subclaims are advantageous and expedient

Further developments specified.

The core of the invention is a high voltage,

in particular ionization device in the pressure gas line of a compressed gas source and the associated supply station downstream to accommodate the described

To provide advantageous effects as close to a color / coating-applying spray head available.

In the compressed gas treatment system according to the invention for pressurized gas-operated coating systems, the high-voltage, in particular ionization, is outside the

Supply station is arranged and is the

Ionization device of the supply station in

Downstream of compressed gas. This makes it possible to ensure the respectively required maximum distance between the spray head and the high voltage, in particular ionization regardless of the length of a supply line and thus to ensure the quality of the spray result.

For the purposes of the invention, compressed gases are to be understood as those technical gases which are used in paint application or coating technology or coating technology (also

Powder coating) are used.

It is essential for the invention that the effect is not brought about by an electrostatic neutralization of the used compressed gases but that an actual

Influencing the flow properties and the

Transport characteristics due to the high-voltage Electromagnetic field is generated.

Furthermore, the invention provides for the use of

Druckgasaufbereitungssystems in an explosion-proof painting of the coating system, the

High voltage generator of high voltage, in particular

To arrange ionization outside the explosion-proof painting and the discharge chamber and the high-voltage discharge device of the high-voltage, in particular ionization within the

Explosion-protected Lackierraums, the high voltage generator by electrical cables with the

High voltage discharge device is connected. In such an arrangement of the components, it is possible, a conventional, not explosion-proof and thus

to use inexpensive high voltage generator, although the discharge chamber and the

High voltage discharge device in the

explosion-proof paint booth are arranged.

Alternatively, the invention also provides for the use of the compressed gas processing system in an explosion-proof painting the discharge chamber, the

High voltage discharge device and the

High voltage generator of high voltage, in particular

To arrange ionization within the explosion-protected paint shop, wherein the high voltage generator is designed as an explosion-proof high voltage generator. Such an arrangement is simple and can be installed or moved in particular in the explosion-proof painting as a compact unit.

Furthermore, the invention provides, either by the

Discharge chamber and the high voltage discharge device to form an assembly or through the discharge chamber, the high voltage discharge device and the

High-voltage generator to form an assembly, wherein each assembly formed either in the spray head

is integrated or arranged on a manipulator of wherein the spray head is guided, wherein the assembly in an arrangement on the manipulator, in particular on a moving component during operation, in particular an arm of the

Manipulator is arranged or stationary in the

explosion-proof painting room is arranged. Such arrangements can be easily applied to the respective

Adapt requirements.

The invention also provides, in the compressed gas stream before

High-voltage, in particular ionization a filter device and / or a heater for the

To arrange pressurized gas, wherein the filter device and / or the heater outside the explosion-proof

Lackierraums and is arranged in particular in the supply station or are or wherein the filter device and / or the heating device within the

explosion-proof room and outside the

Supply station is arranged or are. As a result, the quality of the compressed gas can be further increased.

According to an embodiment of the invention it is

provided the coating system for using the

Druckgasaufbereitungssystems as wet coating or as a powder coating system with a wet paint or

Form coating room, either the

Discharge chamber, the high voltage discharge device and the high voltage generator of the high voltage, in particular ionization form a common assembly or wherein only the discharge chamber and the

High voltage discharge device of high voltage,

in particular ionization device form a common assembly, wherein the assembly formed in such -dem

Painting space or coating space is arranged, that this module either via a first supply line section to the supply station and a second

Supply line section is connected to the spray head or that the assembly formed is integrated into the spray head. Such arrangements can be easily adapted to the respective requirements. According to the invention, the assembly formed is either arranged on a manipulator from which the spray head is guided, wherein the assembly in an arrangement on the

Manipulator especially on a moving during operation

Component, in particular one arm of the manipulator is arranged or is the assembly formed stationary in the

Painting room or coating room arranged. This makes it possible to equip the system according to requirements.

In the case of the system used as a wet-painting system or as a powder-coating system, the high-voltage, in particular ionization, device is preceded by a filter device and / or a heating device, wherein the filter device and / or the heating device are connected either in the

Supply station is arranged or are or between the supply station and the high-voltage, in particular

Ionization device is arranged or are. As a result, the quality of the compressed gas can be further increased

The invention also provides, the supply line section, which the high-voltage, in particular

Ionizing device and the spray head connects with a length of at most 2.5 m and in particular at most 0.5 m to measure and this supply line section in his

Flow channel in particular free of metallic components such as in particular valves and / or pressure reducers form. As a result, an unwanted degradation of the

Counteracted degree of ionization of the compressed gas.

The invention provides for the compressed gas treatment system to be operated either as a compressed air treatment system operated with air or as a nitrogen treatment system operated with nitrogen or as an air-nitrogen treatment system which is equipped with a nitrogen-air system. Mixture is operated. As a result, in all three types of systems arising from the invention

resulting advantages usable. The pressurized gas-operated coating system according to the invention, which is designed as a paint shop, comprises a

Compressed gas processing system according to claim 1 and additionally in particular at least one of claims 2 to 5 or 10 and thus also has their advantages.

The pressurized gas-operated coating system according to the invention, which is designed as a wet-coating system or powder-coating system, comprises a compressed-gas processing system according to claim 6 and additionally in particular at least one of claims 7 to 10 and thus also has its advantages.

For the purposes of the invention is under a supply station a Druckgasbehandlungs- and / or

Compressed gas control device understood, the

Supply station in particular by an arrangement, such as in particular a cabinet or a container is formed, which or which a flange for connecting a

Having supply line for a spray head. In this case, such a supply station is supplied by a compressed gas source with compressed gas and wherein the supply station

in particular a pressure reducer and / or a filter device for the compressed gas and / or a heating device for the

Compressed gas includes. In this case, the pressure reducer and / or the filter device and / or the heating device can also be arranged structurally separated from one another. In the smallest stage of expansion includes the Druckgasbehandlungs- and / or

Pressure gas control device only a pressure reducer and / or a filter device for the compressed gas and / or a

Heating device for the compressed gas.

For the purposes of the invention is under a powder coating

in particular · also a powder enamel and under a wet paint in particular also wet enamel understood

For the purposes of the invention, a manipulator is understood as meaning both a robot with a plurality of axes of movement and a fixed or movable mast. Here, the spray head or the spray heads are either fixed to the Mast connected and are automatically moved with this or the spray head or the spray heads is or: Manually guided by a person located on the mast.

Further details of the invention are described in the drawing with reference to schematically illustrated embodiments. A high voltage, in particular

Ionization device is referred to in the following embodiment only as an ionization device, but is not limited to this embodiment. In equivalent embodiments, instead of the ionization device, a pure high-voltage alternating-field treatment or a high-voltage chamber can be used to generate a non-thermal plasma state.

Hereby shows:

Figure 1: a schematic view of a first

Variant of a

Pressure gas conditioning system;

Figure 2: a schematic view of a second

Variant of a

Compressed gas processing system;

Figure 3: a sectional view of a

Ionization device with a

High-voltage discharge device;

Figure 4: a sectional view of a

Ionization device with two

High voltage discharge devices and

Figure 5 to 11: schematic views of a third to

eighth embodiment of a

Compressed gas processing system.

In the figure 1 is a schematic view of a first Embodiment of a compressed gas treatment system 1 for compressed gas operated coating equipment, which as

Painting systems 2 are formed, shown. The

Compressed gas processing system 1 comprises a filter device 3 for cleaning and / or drying compressed gas 4, a

Pressure reducer 5, a first, second and third flange 6, 7, 8 for coupling supply lines 9, 10 for consumers IIa, IIb, a first and a second ionization device 12, 13, a spray head 14. As compressed gas takes place in the first embodiment and at all others

Variants either air or nitrogen or a nitrogen-air mixture use. The spray head 14 has a first opening 15 for the discharge of compressed gas and a second opening 16 for the discharge of compressed gas and paint, wherein the openings 15, 16 form the consumers IIa, IIb. The ionization devices 12, 13 each comprise a high-voltage discharge device 17, 18, at which the compressed gas 4 flows past at least partially. Here are the

Supply lines 9, 10 formed in two parts and each comprise a first supply line section 9a and 10a and a second supply line section 9b and 10b. The first supply line section 9a or 10a is respectively disposed between said flange 6 and 7 and first terminals 12a and 13a of the ionization devices 12 and 13, respectively. The second supply pipe section 9b and 10b are respectively

between second terminals 12b and 13b of the ionization devices 12 and 13 and flanges 19 and 20 of the

Spray head 14 arranged. The filter device 3 and the pressure reducer 5 are part of a supply station 21, which in addition to the flanges 6, 7, 8 to discharge compressed gas still another flanges 22 includes, via which the

Supply station 21 is fed by a compressed gas source 23 with compressed gas. The supply pipe sections 9a and 9b have lengths A9a and A9b. The supply line sections 10a and 10b have lengths AlOa and AlOb. The lengths A9b and AlOb of the second feed sections 9b and 10b, which are the

Ionizing device 12, 13 connect with the spray head 14 are dimensioned such that a permanently sufficient

Degree of ionization of the compressed gas arrives in the spray head 14, to avoid quality fluctuations. According to a preferred embodiment, it is provided in the

Supply station 21 nor a heater 24 to switch into the compressed gas flow to ensure a constant temperature of the ionizing to the 12, 13 flowing compressed gas. The two ionizing devices 12, 13 each comprise a container 25, 26, in which a

Discharge chamber 27 and 28 is arranged, wherein the

Discharge chamber 27 and 28 is flowed through by the pressurized gas 4. Furthermore, the ionization devices 12, 13 each comprise an ionization bar 29 or 30, which the

mentioned high-voltage discharge device 17 and 18 forms. In this case, the ionization bars 29, 30 are respectively arranged in the containers 25 and 26 through a third connection 31 or 32. The ionizing bars each form one

Section 33 or 34 of a lateral surface 35 and 36 of the

Discharge chamber 27 and 28 and come so directly to the discharge chambers 27 and 28 in the flow direction s

flowing through compressed gas 4 in contact. The ionizing bars 29, 30 are respectively via electrical cables or multi-core line 37 and 38 with high-voltage sources or

High voltage generators 39 and 40 connected. The ionized compressed gas supplied via the second supply line section 10b is admixed with paint 41 in the spray device 14, so that a jet of color 42 is formed. The ionized compressed gas supplied via the second supply line section 9b flows through the spray device 14 and exits therefrom as a pure compressed gas steel 43 in order to laterally delimit the color steel 42.

FIG. 2 is a schematic view of a second one

Embodiment of a compressed gas processing system 901 for compressed gas operated paint shops 902 shown. With regard to the design of a supply station 921 and a compressed gas source 923 feeding the same, reference is made to the explanations regarding the first embodiment variant shown in FIG. In contrast to the first embodiment variant, a spray head 914, which is connected to only one supply line 910, is used in the second embodiment variant. Of the Spray head 914 is arranged on a first arm 944a of a manipulator 944 and is moved by the same during painting according to the requirements. An ionization device 913 is arranged in the vicinity of the spray head 914 on a second arm 944b of the manipulator 944, so that a second

Supply line portion 910b having a length A910b in all positions of the manipulator 944 is sufficiently long to connect the spray head 914 and the ionizer 913 without restricting the freedom of movement. A first supply line section 910a, which connects the supply device 921 to the ionization device 913, has a length A910a corresponding to the requirements and ensures by its length that the manipulator 944 can move without restriction in a painting room 945.

With regard to the construction of the ionization device 913, reference is also made to the description of FIG. The ionizer 913 includes a

High voltage generator 940 and is connected to this via a multi-wire 938. According to one not

illustrated embodiment, the line 938 is guided parallel to the first supply line section 910a.

FIG. 3 shows a second ionization device 101 in a sectional representation. The ionization device 101 is used like the first ionization devices shown in FIGS. 1 and 2. The ionization device 101 comprises a container 102, which has a discharge chamber 103, wherein the discharge chamber 103 is flowed through by compressed gas 104. Furthermore, the

Ionization 101 101 two ionizing rods 105, 106, which high-voltage discharge devices 107, 108 form. The ionization bars 105, 106 can each be inserted into the container 102 through a third and a fourth connection 109, 110 such that these sections 111, 112 form a lateral surface 113 of the discharge chamber 103 and thus directly with the compressed gas flowing through the discharge chambers 103 in the flow direction s 104 come into contact. The

Ionizing rods 105, 106 are not shown by multi-wire cables with a not shown High voltage generator connected. First and second ports 114, 115 are first and second

Supply line section of a not dargstellten supply line connected. Electrodes 116, 117 of the ionizing rods 105, 106 are in direct contact with the compressed gas 104.

FIG. 4 shows a third ionization device 201 in a sectional representation. The ionization device 201 is used like the first ionization devices shown in FIGS. 1 and 2. The ionization device 201 comprises a container 202, which has a discharge chamber

203, wherein the discharge chamber 203 of the compressed gas

204 is flowed through. Furthermore, the

Ionization devices 201, in contrast to the ionization device shown in Figure 3 only one

Ionization rod 205, which a

High voltage discharge device 207 forms. Of the

Ionization rod 205 is inserted through a third port 209 in the container 202 such that it forms a portion 211 of a lateral surface 213 of the discharge chamber 203 and thus comes directly into contact with the discharge chamber 203 in the flow direction s flowing compressed gas 204. The ionizing rod 205 is not over

shown multi-wire cable connected to a high voltage generator, not shown. At first and second

Ports 214, 215 are a first and a second

Supply line section of a not dargstellten supply line connected. Electrodes 216 of the ionization rod 205 are in direct contact with the pressurized gas 204.

In the figure 5, a third compressed gas processing system 301 is shown schematically, this for a than

Wet painting plant 302a or designed as a powder coating system 302b coating system is provided. A

Supply station 321 and a compressed gas source 323 and an ionizing device 312 are configured and arranged comparable to the arrangement according to FIG. In this respect, reference is made to the description there. A spray head 314, as in the embodiment shown in Figure 1 in a not explosion-proof space Ra operated, whereby the

Spray head 314 is supplied only via a supply line 309. The supply line 309 is designed in two parts, wherein the ionization device 312 between a first

A supply line section 309a having a length A309a and a second supply line section 309b having a length A309b is connected, and the first supply line section 309a connects the supply station 321 to the ionizer 312.

In FIG. 6, the third compressed gas treatment system 301 described in FIG. 5 is additionally equipped with a second ionization device 313, which supplies a second spray head 346.

In the figure 7 is a fourth embodiment variant

Compressed gas processing system 401 shown in which the

Supplying an explosion-proof paint shop 402b ionizers 412 and 413, with all their

Components, namely an ionization rod 429 and 430, a discharge chamber 427 and 428 and a

High voltage generator 439 and 440 within a

explosion-proof room or Rb are arranged, in which a guided by a manipulator 444 spray head 414 is located.

In the figure 8 is a fifth embodiment variant

Compressed gas processing system 501 shown, which is constructed analogously to the first embodiment shown in Figure 1, wherein in the fifth embodiment, a spray head 514 is guided by a manipulator 544.

In the figure 9 is a sixth embodiment variant

Compressed gas treatment system 601, which is intended for operation in an explosion-proof room Rb, wherein ionizing means 612 and 613 with their

Components ionization rod 629 and 630 and discharge chamber 627 and 628 are located within the explosion-proof room Rb and only their high voltage generators 639 and 640th outside the explosion-proof room Rb are arranged. Here are container 625, 626, in which the

Ionisierungsstäbe and the discharge chambers are installed on a fixed base 647 of a manipulator 644th

arranged, from which a spray head 614 is guided.

In the figure 10 is a seventh embodiment variant

Compressed gas treatment system 701 is shown, which is suitable for operation in an explosion-proof room Rb, with Ionisierungseinrichtungen 712 and 713 with their

Components Ionisierungsstab 729, 730 and discharge chamber 727, 728 are located within the explosion-proof room Rb and only their high voltage generators 739, 740 outside the explosion-proof room Rb are arranged. Here are containers 725, 726, in which the ionizing bars 729 and 730 and discharge chambers 727 and 728 are installed, in contrast to that shown in Figure 9

Embodiment variant, arranged on an arm 744b of a manipulator 744, from which a spray head 714 is guided.

In the figure 11 is an eighth embodiment variant

Compressed gas treatment system 801, which is suitable for operation in an explosion-proof room Rb, wherein Ionisierungseinrichtungen 812 and 813 with all their

Components, namely an ionization rod 829 or 830, a discharge chamber 827 or 828 and a

High voltage generator 839 or 840 within the

explosion-proof room Rb. In this case, containers 825 and 826, in which the ionizing rods 829 and 830 and discharge chambers 827 and 828 are installed, are arranged on an arm 844b of a manipulator 844, of which one

Spray head 814 is guided. The high-voltage generators 839, 840 are connected via electrical cables or multicore cables 837, 838 to the ionizing rods 829, 830 and are arranged stationarily in the explosion-proof room Rb.

The invention is not limited to illustrated or described embodiments. It rather includes

Further developments of the invention in the context of Reference sign list:

1 compressed gas conditioning system

2 paint shop

3 filter device

4 compressed gas

5 pressure reducer

6, 7, 8 flange on 21

9, 10 supply line

9a, 10a first supply line section of 9 and 10 respectively

9b, 10b second supply line section of 9 and 10, respectively

IIa, IIb Consumers for compressed gas

12, 13 ionization device

12a, 13a first connection of 12 and 13, respectively

12b, 13b second connection of 12 and 13, respectively

14 spray head

15 first opening of 14

16 second opening of 14

17, 18 high voltage discharge device

19, 20 flange on 14

21 supply station

22 additional flange on 21

23 compressed gas source

24 heating device

25, 26 containers

27, 28 discharge chamber

29, 30 ionizing bar

31, 32 third connection

33, 34 section of 35 and 36, respectively

35, 36 lateral surface of 27 or 28

37, 38 multi-core cable or el. Cable to 39, 40

39, 40 high voltage generator

41 color

42 color beam

43 compressed gas jet

44 manipulator

44a, 44b arm of 44

45 paint shop 101 ionization device

102 containers

103 discharge chambers

104 compressed gas

105, 106 Ionization bar

107, 108 high voltage discharge device 109, 110 third, fourth connection to 102, 111, 112 section of 113

113 lateral surface

114, 115 first, second connection to 102, 116, 117 electrode

201 ionization device

202 containers

203 discharge chamber

204 compressed gas

205 Ionization bar

207 high voltage discharge device 209 third connection to 202

211 section of 213

213 lateral surface

214, 215 first, second connection to 202 216 electrode

301 third compressed gas processing system

302a wet painting plant

302b powder coating system 3

309 supply line

309a first supply line section

309b second supply line section

312 Ionization device

313 second ionization device

314 spray head

321 supply station

323 compressed gas source

346 second spray head

401 compressed gas conditioning system

402b explosion-proof paint shop , 413 ionization device

spray nozzle

, 428 discharge chamber

, 430 Ionizing bar

, 440 high voltage generator

manipulator

Pressure gas conditioning system

spray nozzle

manipulator

Compressed gas treatment system, 613 ionization device

spray nozzle

, 626 containers

, 630 ionizing bar

, 640 high voltage generator

manipulator

fixed pedestal

Compressed gas treatment system, 713 ionization device

spray nozzle

, 726 containers

, 728 discharge chamber

, 730 ionizing bar

, 740 high voltage generator

manipulator

b arm

Compressed gas treatment system, 813 ionization device

spray nozzle

, 826 containers

, 828 discharge chamber

, 830 ionizing bar

, 838 multicore cable or el., 840 high voltage generator

manipulator 844b arm

901 compressed gas conditioning system

902 gas-powered paint shop

910 supply line

910a first supply line section of 910

910b second supply line section of 910

913 ionization device

914 spray head

921 supply station

923 compressed gas source

938 multicore cable

940 high voltage generator

944 manipulator

944a first arm of 944

944b second arm of 944

945 painting room

A9a, AlOa length of 9a and 10a respectively

A9b, AlOb length of 9b or 10b

A309a length of 309a

A309b length of 309b

A910a length of 910a

A910b length of 910b

Ra not explosion-proof room

Rb explosion-proof room or painting room s flow direction

Claims

Claims:

1. compressed gas treatment system (1; 301; 401; 501; 601; 701; 801; 901) for compressed gas-operated coating plants

full

a compressed gas source (23; 923),

a supply station (21; 321; 921),

at least one spray head (14; 314; 346; 414; 514; 614; 714; 814; 914),

at least one high voltage, in particular

Ionization means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913),

the high voltage, in particular

Ionization device (12, 13, 101, 201, 312, 313, 412, 413, 612, 613, 712, 713, 812, 813, 913)

Discharge chamber (27, 28, -427, 428, 727, 728, 827, 828), a high voltage discharge device (17, 18, 107, 108, 207) and a high voltage generator (39, 40, 439, 440, 639, 640, 739) Comprises, 740; 839, 840),

characterized,

that the high voltage, in particular

Ionization device (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) is arranged outside the supply station (21; 321; 921) and that the high-voltage, in particular ionization means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712;

713; 812; 813; 913) downstream of the supply station (21; 321; 921) in the flow of the compressed gas (4; 104; 204).

2. compressed gas processing system (1; 301; 401; 501; 601; 701;

801; 901) according to claim 1, characterized in that for use of the compressed gas processing system (1; 301; 401; 501; 601; 701; 801; 901) in one

Explosion - proof paint shop (Rb) of the

Coating plant of the high voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840)

High-voltage, in particular ionization device (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713;

812; 813; 913) outside the explosion-proof Painting chamber (Rb) is arranged and the discharge chamber (27, 28, 427, 428, 727, 728, 827, 828) and the

High voltage discharge means (17, 18, 107, 108;

207) of the high voltage, in particular

Ionization means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) are arranged inside the explosion-proof paint shop (Rb),. the high voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840) being connected to the high voltage discharge means (17, 18, 107, 108, 207) by electrical cables (37, 38; connected is.

3. A compressed gas processing system (1; 301; 401; 501; 601; 701; 801; 901) (1) according to claim 1, characterized in that for the use of the compressed gas processing system (1; 301; 401; 501; 601; 701; 801; 901 ) in an explosion-proof painting room (Rb), the discharge chamber (27, 28, 427, 428, 727, 728, 827, 828), the high-voltage discharge device (17, 18, 107, 108, 207) and the high-voltage generator (39, 40, 439 , 440, 639, 640, 739, 740, 839, 840) of the high-voltage, in particular ionization device (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) within the

explosion-proof painting room (Rb) are arranged, wherein the high voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840) as explosion-proof

High voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840) is formed.

A compressed gas processing system (1; 301; 401; 501; 601; 701; 801; 901) according to claim 2 or 3, characterized in that the discharge chamber (27, 28; 427, 428; 727, 728; 827, 828) and the high-voltage discharge device (17, 18, 107, 108, 207) form an assembly or that the discharge chamber (27, 28; 427, 428; 727, 728; 827, 828) and the high-voltage discharge device (17, 18, 107, 108 207) and the

High voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840) form an assembly, wherein the respective assembly formed

into the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914) is integrated or

on a manipulator (44; 444; 544; 644; 744; 844; 944) from which the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914) is guided,

wherein the assembly in an arrangement on the

Manipulator (44; 444; 544; 644; 744; 844; 944)

in particular on an operating component, in particular an arm (44a, 44b; 744b; 844b; 944a, 944b) of the manipulator (44; 444; 544; 644; 744; 844; 944) is arranged or fixed in the explosion-proof painting room ( Rb) is arranged.

Compressed gas treatment system (1; 301; 401; 501; 601; 701; 801; 901) according to one of the preceding claims, characterized in that

the high voltage, in particular ionization device (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712;

713; 812; 813; 913) is preceded by a filter device (3) and / or a heating device (24) or are, wherein the filter device (3) and / or the

Heating device (24) outside the explosion-proof paint shop (Rb) and in particular in the

Supply station (21; 321; 921) is arranged or

are or

wherein the filter device (3) and / or the

Heating device (24) within the explosion-proof painting room (Rb) and outside the supply station (21; 321; 921) is arranged or are.

A pressurized gas treatment system (1; 301; 401; 501; 601; 701; 801; 901) according to claim 1, characterized in that the coating installation for use of the

Druckgasaufbereitungssystems (1; 301; 401; 501; 601; 701; 801; 901) as a wet painting system (302a) or as

Powder coating machine (302b) with a

Wet coating or coating space is formed, wherein either the discharge chamber (27, 28, 427, 428, 727, 728, 827, 828), the high voltage discharge device (17, 18, 107, 108, 207) and the High voltage generator (39, 40, 439, 440, 639, 640, 739, 740, 839, 840) of the high voltage, in particular

Ionization means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) forming a common assembly or

wherein the discharge chamber (27, 28; 427, 428; 727, 728; 827, 828) and the high voltage discharge means (17, 18; 107, 108; 207) of the high voltage, in particular

Ionizing means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) forming a common assembly,

wherein the assembly formed is arranged in the painting or coating space such that these

module

either via a first supply line section (9a, 10a) to the supply station (21; 321; 921) and via a second supply line section (9b, 10b) to the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914) is connected or

the assembly formed is integrated into the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914).

7. compressed gas processing system (1; 301; 401; 501; 601; 701;

801; 901) according to claim 6, characterized

in that the assembly formed is arranged either on a manipulator (44; 444; 544; 644; 744; 844; 944) from which the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914) is guided the assembly being mounted on the manipulator (44; 444; 544; 644; 744; 844; 944) in particular on an operative component, in particular an arm (44a, 44b; 744b; 844b; 944a, 944b). the manipulator (44; 444; 544; 644; 744; 844; 944) is arranged or

that the assembly formed is arranged stationarily in the painting or coating space.

8. compressed gas processing system (1; 301; 401; 501; 601; 701;

801; 901) according to claim 6 or 7, characterized in that the high voltage, in particular Ionizing apparatus (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913)

Filter device (3) and / or heating device (24)

is upstream or are, wherein the filter device ^' (3) and / or the heating device (24)

either in the supply station (21; 321; 921)

is arranged or are

or between the supply station (21; 321; 921) and the ionization device (12,13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) ,

A compressed gas processing system (1; 301; 401; 501; 601; 701; 801; 901) according to any one of the preceding claims, characterized in that the supply line section (9b, 10b) containing the high voltage, in particular

Ionization means (12, 13; 101; 201; 312; 313; 412; 413; 612; 613; 712; 713; 812; 813; 913) and the spray head (14; 314; 346; 414; 514; 614; 714; 814; 914) has a length (A9b, AlOb; A910a; A910b) of not more than 2.5 m, and more preferably not more than 0.5 m, and wherein

Supply line section (9b, 10b, 910b) in his

Flow channel in particular free of metallic components such as in particular valves and / or pressure reducers.

10. compressed gas processing system according to at least one of the preceding claims, characterized in that the compressed gas processing system is designed as a compressed air treatment system and is operated with air or that

Compressed gas treatment system is designed as a nitrogen treatment system and is operated with nitrogen or the compressed gas treatment system is designed as an air-nitrogen treatment system and is operated with a nitrogen-air mixture.

11. A compressed-gas-operated coating installation such as a painting installation comprising an explosion-proof painting room (Rb), a compressed gas source (23; 923) and at least one spray head (314; 346), characterized in that the coating installation A compressed gas treatment system (1; 301; 401; 501; 601; 701; 801; 901) according to claim 1 and additionally in particular at least one of claims 2 to 5 or 10.

12. Compressed gas-powered coating plant such

A wet paint system or powder coating system comprising a wet painting room or coating room, a

Compressed gas source (223) and at least one spray head (314;

346), characterized in that the coating system, a compressed gas processing system (301) according to claim 6 and

additionally comprises in particular at least one of claims 7 to 10.

13. A pressurized gas-operated coating installation according to claim 12, characterized in that the wet painting room or the

Coating room is a non-explosion-proof room.

14. compressed gas processing system according to one of claims 1 to 10, characterized in that the high voltage,

in particular ionization means (12, 13; 312; 313; 913) either through a first supply line section (9a, 10a; 309a; 910a) to the supply station (21; 321; 921) and through a second supply line section (9b, 10b; 309b; 910b ) is connected to the spray head (14; 314; 346; 914) or that the high voltage, in particular ionizing device is integrated into the spray head and is connected by the supply line to the supply station.