EP3558398A1

EP3558398A1 - Device for treating system components and/or packaging means using vapourised hydrogen peroxide

Info

Publication number: EP3558398A1
Application number: EP17832775.5A
Authority: EP
Inventors: Gertrud Soellner-Wein; Juergen Soellner; Holger Mueller
Original assignee: Krones AG
Current assignee: Krones AG
Priority date: 2016-12-20
Filing date: 2017-12-20
Publication date: 2019-10-30
Also published as: DE102016125027A1; CN110300604A; JP2020513868A; US20200114031A1; WO2018115070A1

Abstract

The present invention relates to a device (1) for treating system components and/or packaging material in a filling product filling system, the device comprising a vaporisation device (2) for providing a treatment gas flow containing vapourised hydrogen peroxide, and also comprising a treatment nozzle (42) for applying the treatment gas flow to the system components to be treated and/or the packaging means to be treated, wherein a sensor (5) is provided to measure the hydrogen peroxide concentration in the treatment gas flow exiting the treatment nozzle (42).

Description

Device for treating system components and / or packaging with vaporized hydrogen peroxide

Technical area

The present invention relates to a device for treating system components and / or packaging with vaporized hydrogen peroxide, in particular for treating beverage containers for their sterilization with vaporized hydrogen peroxide before filling the then sterilized container with a filling product in a beverage filling plant.

Technical background

It is known in beverage filling the packaging and in particular the container in which the beverage or the filling product is to be filled to sterilize before the actual filling. For this purpose, it is known, the respective packaging and in particular the

Be act on beverage containers with vaporized hydrogen peroxide, which is flowed together with a carrier gas stream to the packaging or in the packaging. It is known to move the packaging, for example by means of a treatment carousel, and then inject the vaporized hydrogen peroxide together with the carrier gas via appropriate treatment nozzles in the packaging.

Furthermore, it is known to use evaporated hydrogen peroxide for sterilizing plant parts of the beverage filling plant. In particular, it is known to sterilize evaporated hydrogen peroxide for sterilizing insulator interiors as well as arranged in the insulator components of the bottling plant by exposure to vaporized hydrogen peroxide. Furthermore, it is also known to subject the product-contacting paths of a beverage filling plant with vaporized hydrogen peroxide in order to achieve a corresponding sterilization of these surfaces. The vaporized hydrogen peroxide is also used to treat container closures, for example, on a filled container screw-on container caps, in which case an exposure of the container closures with the vaporized

Hydrogen peroxide / carrier gas mixture within a treatment tunnel is known, through which the respective container closures are guided and in which there is an atmosphere formed from the carrier gas and the vaporized hydrogen peroxide.

In particular in so-called dry arachnic plants, the packaging is sterilized by means of vaporized hydrogen peroxide. This is heated air, which is up to 130 ° C warm than

Carrier medium or used as a carrier gas and the vaporized hydrogen peroxide is conveyed together with the carrier gas via a rotary distributor to the treatment nozzles at the respective treatment carousel. In this way, both the packaging and, for example, preforms can be acted upon by the vaporized hydrogen peroxide.

The hydrogen peroxide is usually supplied in liquid form - for example, as an aqueous hydrogen peroxide solution - a vaporizing device and evaporated in this and a sweeping carrier gas stream together with the carrier gas as

Transporting treatment gas to the respective treatment location. In this case, the concentration of the vaporized hydrogen peroxide in the carrier gas / hydrogen peroxide stream can be determined by firstly knowing the volume flow of the carrier gas flowing through the evaporation device and secondly the amount of liquid hydrogen to be vaporized and correspondingly hydrogen peroxide to be vaporized. From these two parameters, the concentration of hydrogen peroxide in the carrier gas / hydrogen peroxide stream after the

Calculate evaporation device.

The determination of the concentration of vaporized hydrogen peroxide in the

Carrier gas / hydrogen peroxide flow is important to ensure safe sterilization performance.

However, since usually the evaporator for the evaporation of the hydrogen peroxide is spaced from the actual place of use, although the concentration of hydrogen peroxide in the carrier gas stream directly after the evaporator can be calculated, but not at the place of actual use. On the way between the evaporator and the place of use, a decomposition of the hydrogen peroxide already takes place in the line system. This Decay, for example, depends on the length of the pipe, the pipe material, the temperature and any contamination already present in the pipe system.

Furthermore, by calculating the concentration, it is not absolutely ensured that the calculated concentration agrees with the actual concentration, since both the concentration of hydrogen peroxide in the aqueous hydrogen peroxide solution can vary, and the volume flow of the carrier gas. In order to be able to provide a correspondingly secure sterilization, an increased concentration of hydrogen peroxide as a "safety margin" in the carrier gas / hydrogen peroxide stream downstream of the evaporator is accordingly required in known systems in order to compensate for any deviations between the calculated concentration and the actual concentration at the point of use It may happen that the consumption of hydrogen peroxide is higher than it would have to be to achieve safe sterilization

Accordingly, it is an object of the present invention to provide a device for sterilizing system components and / or packaging materials with vaporized hydrogen peroxide, which provides an improved structure.

This object is achieved by a device having the features of claim 1. Advantageous developments emerge from the dependent claims, the figures and the appended description. Accordingly, an apparatus for treating plant components and / or packaging materials in a Füllproduktabfüllanlage is proposed, comprising a

An evaporation apparatus for providing a treatment gas stream comprising vaporized hydrogen peroxide, further comprising a treatment nozzle for applying the

Treatment gas flow to the system component to be treated and / or the packaging to be treated. According to the invention, a sensor for measuring the

Hydrogen peroxide concentration in the emerging from the treatment nozzle

Treatment gas stream provided. By providing a sensor for determining the hydrogen peroxide concentration in the treatment gas stream exiting the treatment nozzle, accurate determination of the hydrogen peroxide concentration in the treatment gas can be made directly on the

Treatment site to be performed. In this way it is possible to do the appropriate

To assess sterilization performance at the treatment site, so that a safe sterilization of the respective packaging and / or plant components can be achieved.

A verification of the hydrogen peroxide concentration by an external measurement for

Ensuring the prescribed sterilization performance is thus unnecessary. By being able to measure the hydrogen peroxide concentration directly at the treatment site, the uncertainties regarding the actual concentration of hydrogen peroxide at the treatment site that are present in the conventional devices are eliminated and only the hydrogen peroxide concentration at the treatment site is determined

Considered treatment location.

Furthermore, it is by providing a sensor for determining the

Hydrogen peroxide concentration at the treatment site possible to control the evaporation device for evaporating the liquid hydrogen peroxide so that the hydrogen peroxide concentration in the resulting hydrogen peroxide / carrier gas stream, ie the treatment gas stream reaches the desired value, regardless of what losses the hydrogen peroxide experienced in the upstream line system Has. In which the

Namely treatment line upstream line system can namely losses of hydrogen peroxide and thus a reduction in the hydrogen peroxide concentration occur in that the hydrogen peroxide decomposes. For this decay, in addition to the temperature and the material of the piping system also present in the piping system contamination is crucial. These factors can be determined by measuring the hydrogen peroxide concentration at the

Treatment are excluded.

In this way it can further be ensured that the desired sterilization performance can be achieved with the least possible use of liquid hydrogen peroxide, since the concentration at the treatment site can be monitored and only so much liquid

Hydrogen peroxide must be vaporized as it is to achieve the desired

Hydrogen peroxide concentration is necessary. Accordingly, the consumption of hydrogen peroxide can be reduced or optimized, since the formerly necessary "Uncertainty premium" or a "safety margin", which should compensate for line losses, can be omitted. Rather, only as much hydrogen peroxide is consumed as is actually needed at the treatment site. Preferably, the sensor for determining the hydrogen peroxide concentration in the

Treatment nozzle and / or provided at the treatment nozzle, so that an additional component for holding the sensor is not required. Furthermore, the sensor is arranged in this way directly at the treatment location. Preferably, the sensor is arranged on a rotating part of the device, in particular on a treatment carousel, on which the treatment nozzle is arranged. Thus, the sensor can determine the hydrogen peroxide concentration in the treatment gas exiting the treatment nozzles. In this way it can also be achieved with a rotary treatment device that the treatment of the respective packaging material to be treated can be closely monitored with respect to its application of hydrogen peroxide.

The entire system structure can be simplified in this way. In particular, it can also be dispensed with, the concentration of hydrogen peroxide in the liquid

To determine hydrogen peroxide. Accordingly, both this sensor and a sensor for determining the volumetric flow through the evaporator can be dispensed with or no very high demands are placed on the accuracy of such a sensor. Only the measurement of hydrogen peroxide concentration on

Treatment location remains important, so that in this way a reliable control or regulation of the hydrogen peroxide concentration can be achieved at the treatment site.

Preferably, the hydrogen peroxide concentration signal measured by the sensor can be transmitted by wire from the rotating part of the device to a stationary part of the device, in particular by means of a slip ring transmitter. In this way, a circuit-technically simple transfer of the sensor signal from the rotating part to the stationary part of the device is possible. It can according to a measurement of

Hydrogen peroxide concentration at the treatment site on a treatment carousel can be carried out and the transmission of the measurement signal to the stationary part can be performed circuitry simple to allow in this way a regulation of the supply of the liquid hydrogen peroxide to the evaporation device.

In a preferred alternative, the signal measured by the sensor is the

Hydrogen peroxide concentration transmitted wirelessly from the rotating part of the device on a stationary part of the device and the sensor comprises in particular an RFID chip, by means of which a transmission of the signal of the sensor is arranged on an arranged on the stationary part of the device RFID antenna.

In this way, a transmission of the measuring signal of the sensor from the rotating part to the stationary part can be achieved wirelessly, so that the mechanically demanding transfer of the sensor signal from the rotating part to the stationary part can be dispensed with by means of a wired method.

Preferably, the hydrogen peroxide concentration signal measured with the sensor is used to control the supply of hydrogen peroxide present in the liquid phase to the hydrogen peroxide

Evaporator used. Thus, as already described above, the consumption of liquid hydrogen peroxide can be optimized.

Particularly preferably, the sensor for determining the

Hydrogen peroxide concentration around a catalytic sensor, which the

Hydrogen peroxide concentration measured by a catalytic decomposition. In such a sensor, the temperature difference between a reference surface and coated with a corresponding catalyst surface is measured, wherein the decay of the

Hydrogen peroxide on the catalytic surface leads to an exothermic reaction, which leads to a corresponding increase in temperature. The difference between at the

Reference surface measured temperature to the temperature of the surface, which is coated with the catalyst, is a measure of the concentration of hydrogen peroxide. In this way, a reliable measurement of the hydrogen peroxide concentration can be carried out inline, so that a continuous checking of the hydrogen peroxide concentration during the operation of the plant can be carried out. A special sampling during operation for selective analysis of the hydrogen peroxide concentration is accordingly no longer necessary, but it can by the integration of the catalytic sensor, a continuous Monitoring be carried out. Accordingly, by means of a control or regulating device, a control or regulation of the supply of liquid hydrogen peroxide to the evaporator and / or a variation of the carrier air flow through the evaporator can be controlled inline by means of the sensor.

By means of the sensor, it is also possible to carry out a validation of the sterilization of the system even at startup or at the beginning of the production process, that the required or desired hydrogen peroxide concentration can be provided over the entire line system away, and thus can ensure that the Hydrogen peroxide concentration of the predetermined concentration

Corresponds to hydrogen peroxide.

Even with a use of the device described for the sterilization of

Container closures have the beneficial effects and in particular the provision of a sensor at the treatment site allows efficient use of the present in the liquid phase hydrogen peroxide in that the hydrogen peroxide is consumed only in such an amount as it is actually needed afterwards at the treatment site. An additional amount that is planned in the prior art as a safety margin, however, is no longer necessary.

The treatment nozzle preferably has an outlet opening for guiding the treatment gas stream into an opening region of a packaging material to be treated, and a dished bottom for diverting the displaced substance flowing out of the mouth region of the packaging material

Treatment gas to the outside of the packaging is provided, wherein a sensor is arranged in a first sensor position in the treatment gas line immediately before the outlet opening and / or a sensor is arranged in the dished bottom in a second sensor position.

As a result of the arrangement of the sensor directly in the treatment nozzle, the treatment gas can be monitored particularly reliably with regard to its hydrogen peroxide concentration. Brief description of the figures

Preferred further embodiments of the invention are explained in more detail by the following description of the figures. Showing:

Figure 1 is a schematic representation of an apparatus for treating packaging in a first embodiment, in which a sensor for determining the

Hydrogen peroxide concentration at the inlet is positioned in an insulator;

FIG. 2 shows a further schematic illustration of a device for treating packaging materials, in which a sensor for determining the hydrogen peroxide concentration is positioned in the housing of the insulator;

Figure 3 is a schematic representation of an apparatus for treating packaging, in which a sensor for determining the hydrogen peroxide concentration before

Transfer is arranged on a media rotary distributor;

Figure 4 is a schematic representation of an apparatus for treating packaging means, in which a sensor for determining the hydrogen peroxide concentration is positioned on a treatment nozzle of a treatment carousel;

Figure 5 is a schematic representation of a device for treating packaging means, in which a sensor for determining the hydrogen peroxide concentration is disposed on a treatment carousel and a wireless transmission is made to a stationary receiver part;

Figure 6 shows schematic, perspective and sectional views of the possible arrangement of a sensor on a treatment nozzle of a treatment device;

Figure 7 is a schematic representation of a treatment carousel; and

Figure 8 is a schematic representation of the structure of a sensor. Detailed description of preferred exemplary embodiments

In the following, preferred embodiments will be described with reference to the figures. In this case, identical, similar or equivalent elements in the different figures are provided with identical reference numerals, and a repeated description of these elements is partially omitted in order to avoid redundancies.

FIG. 1 shows a schematic structure of a device 1 for sterilizing

Plant components and treatment of packaging shown. The device 1 comprises an evaporation device 2, by means of which in the liquid phase present hydrogen peroxide can be evaporated. The evaporating device 2 is supplied via a carrier gas supply line 20, a carrier gas, whose current can be controlled via a corresponding control valve 22. An arranged after the control valve 22 mass flow sensor 24 can be used for accurate control of the mass flow of the carrier gas. According flows through the

Carrier gas supply 20 supplied carrier gas, the evaporation device. 2

As a carrier gas, for example, air, dried air or another gas or gas mixture can be used.

Furthermore, the evaporation device 2 is supplied via a hydrogen peroxide feed line 26 liquid hydrogen peroxide, which, for example, in the form of an aqueous

Hydrogen peroxide solution can be supplied. By means of a control valve 28, the supply of the liquid hydrogen peroxide, which is supplied via the hydrogen peroxide supply line 26, are controlled in the evaporation device 2.

In the evaporation apparatus 2, liquid hydrogen peroxide is applied to a correspondingly heated surface, evaporated on this, and then entrained and removed the vaporized hydrogen peroxide via the carrier gas supplied by means of the carrier gas supply line 20. From the evaporation device 2 is then passed through a corresponding treatment gas line 3 consisting of the carrier gas and the vaporized hydrogen peroxide treatment gas stream to the actual treatment site for the treatment of the system component or the packaging. In the embodiment shown, an insulator 4 is provided, in which the treatment gas is supplied by means of the treatment gas line 3 for treatment. In order to determine the concentration of hydrogen peroxide in the treatment gas, ie in the volume flow consisting of the carrier gas and the vaporized hydrogen peroxide, a sensor 5 is provided, by means of which the concentration can be determined. The sensor 5 is arranged at the end of the treatment gas line 3, and can in this way the

Hydrogen peroxide concentration of the treatment gas at the end of the treatment gas line 3 and thus measure directly before or when entering the insulator 4.

Thus, the measured with the sensor 5 hydrogen peroxide corresponds to the

Hydrogen peroxide concentration in the treatment gas, which enters the insulator 4. Possible line losses within the treatment gas line 3, which have taken place for example by the decomposition of hydrogen peroxide on the conduction path between the evaporation device 2 and the entry into the insulator 4, and which of the temperature

Conductivity and length and possibly also in the treatment gas line 3 can depend on existing contaminants and in this way are not exactly predictable, can be ignored in this way. Rather, the exact concentration of the

Hydrogen peroxide at the treatment site - here the insulator 4 - known because it is measured by means of the sensor 5 directly in front of the treatment site.

The sensor 5 reports its concentration signal accordingly via a control line 50 (and any interposed and not explicitly shown here control and / or

Control device) to the control valve 28, by means of which the supply of liquid

Hydrogen peroxide is controlled to the evaporator 2. Accordingly, with a deviation of the hydrogen peroxide concentration at the sensor 5 of the desired

Hydrogen peroxide concentration of a volumetric flow of liquid hydrogen peroxide supplied to the evaporation device 2 are regulated so that at the sensor 5 and thus at

Treatment site reaches the desired hydrogen peroxide concentration and maintained. An estimate of the line losses and a correspondingly necessary "safety margin" is therefore no longer necessary.

In this way, the liquid hydrogen peroxide supplied via the control valve 28 can be used efficiently, and only the amount of liquid hydrogen peroxide actually required at the treatment site, in this case the insulator 4, is vaporized in the evaporation device 2. This can save at least the hydrogen peroxide which has been used in the devices used hitherto to provide a "safety margin".

Furthermore, it can be ensured by the measurement of the hydrogen peroxide concentration at the treatment site that in the insulator 4 a correct sterilization is carried out according to the specifications, in which case the corresponding concentration of hydrogen peroxide is achieved and thus the desired and predetermined sterilization performance is achieved.

FIG. 2 shows a variant of the device shown in FIG. The sensor 5 is now within a wall of the insulator 4 and can in this way in the insulator in the

Treatment gas measure present hydrogen peroxide concentration and influence in this way the supply of hydrogen peroxide via the treatment gas line 3 accordingly.

In Figure 3, a treatment carousel 40 is provided in the insulator 4, in which packaging means 100, which are shown schematically as preforms in the embodiment shown, can be sterilized. For this purpose, 40 treatment nozzles 42 are provided in the treatment carousel, which are each arranged above a packaging means 100, and by means of which

Treatment gas can be injected into the packaging 100. That over the

Treatment gas line 3 supplied treatment gas is transferred from the standing part of the device to the rotating part of the device, namely on the treatment carousel 40, by means of a rotary distributor 30.

The sensor 5 is arranged directly in front of the rotary distributor 30, so that the concentration of hydrogen peroxide is known, which is transferred to the treatment carousel 40.

Accordingly, the advantageous effects can also be achieved here, in particular it can be ensured that the treatment gas transferred via the rotary distributor 30 to the treatment carousel 40 has the desired concentration and accordingly

Line losses within the treatment gas line 3 or variations in the concentration of hydrogen peroxide in the liquid hydrogen peroxide supplied via the hydrogen peroxide feed line 26 do not affect the sterilization performance within the

Treatment carousel 40 has.

FIG. 4 shows a further variant of the treatment device shown in FIG. 3, wherein the sensor 5 is now arranged on the treatment carousel 40 itself and in particular directly the treatment nozzle 42 or in the treatment nozzle 42 is provided.

Accordingly, the hydrogen peroxide concentration can be measured directly at the treatment site.

The transmission of the measurement signal measured by the sensor 5

Hydrogen peroxide concentration from the treatment carousel 40 to the stationary part of the device 1 takes place in the embodiment shown by means of a slip ring transmitter 52, so that the sensor signal of the sensor 5 can then be transferred via the control line 50 to the control valve 28. Other types of wired transfer of the measurement signal from the rotating part to the stationary part of the device are also conceivable.

FIG. 5 shows a further variant of the embodiment shown in FIG. Here, the sensor 5 is likewise arranged on the treatment carousel 40 and rotates correspondingly together with the treatment carousel 40.

In the exemplary embodiment shown, the sensor 5 has a wireless transmission device with which the measurement signal can be transferred from the rotating part to the stationary part of the device 1.

In the exemplary embodiment shown, the sensor 5 has a passive RFID chip, by means of which a transmission of the respective sensor signal to a stationary part of the

Device arranged RFID antenna 54 is made possible, which by means of a

Evaluation device according to the sensor signal to the control line 50 passes, so that by means of the sensor signal, the control valve 28 can be regulated to supply the liquid hydrogen peroxide.

In this embodiment, it is possible by equipping the sensor 5 with a passive RFID chip that the sensor signal from the sensor 5 from the rotating part of the

Treatment carousel 40 can be passed without further contact on the stationary part, namely the arranged on the stationary part of the RFID antenna 54. The passive RFID chip of the sensor 5 receives each pass by the RFID antenna 54 energy, which in the RFID chip is used to transmit the respective sensor signal. Accordingly, in this way a monitoring of the hydrogen peroxide concentration at each individual treatment nozzle 42 can be achieved at the treatment carousel 40, on which a sensor 5 is arranged, and it is provided in this way a sensor 5, which can be used without further wiring on the rotating part of the device , In the

Evaluation device 56 is then determined from the plurality of received sensor signals, which sensor signal is actually to be used to control the control valve 28. This can either be an average of the sensor values of the sensors 5 or the lowest measured concentration of the sensors 5 is used for this purpose.

At the treatment carousel 40 may be provided on or in each treatment nozzle 42, a sensor 5, or only on a selection of treatment nozzles 42 or even only a single of the treatment nozzles 42. Assuming that the treatment gas lines to each treatment nozzle 42 is formed identical the use of a single sensor 5 may be sufficient. When using at least one further sensor 5 at a further treatment nozzle 42, any sensor errors can be compensated or detected and any deviations in the design of the supply lines to the treatment nozzles 42 are taken into account.

Furthermore, the arrangement of sensors at each treatment nozzle 42 makes it possible to carry out a corresponding plausibility check and to ensure that the treatment is carried out on all treatment nozzles 42 with a predetermined safety and that the correspondingly treated packaging or system components are as desired

Achieve degree of sterilization.

The positioning of the sensor 5 on the treatment nozzle 42 is schematic for a

Treatment nozzle type shown in Figure 6. The positioning is, in principle, also transferable to other types of treatment nozzles.

In the schematic, perspective and sectional views of Figure 6, the positioning of the sensor 5 is shown in a first position A, in which the sensor 5 directly into the

Treatment gas line 3 and immediately upstream of the outlet opening 420 of the treatment nozzle 42 is arranged. Accordingly, exactly the treatment gas flow is measured, which exits via the outlet opening 420 from the treatment nozzle 42. This can be the Hydrogen peroxide concentration of the treatment gas, which exits the outlet opening 420 of the treatment nozzle 42, are measured accurately.

In a second sensor position, which is marked B, it is possible to the flowing back from the packaging material after the treatment treatment gas stream to its

Hydrogen peroxide concentration to measure. The arrangement of the sensor 5 in the second sensor position B is correspondingly arranged in the dished bottom position. The gas flow which is measured at the sensor 5 in the sensor position B is the gas flow of the gas escaped from the container to be treated, which is deflected by means of the dished bottom to the outside of the packaging material to be treated.

In other words, after the exit of the treatment gas from the outlet opening 420 of the treatment nozzle 42, an entry of the treatment gas into the mouth region of the packaging takes place. The already present in the packaging agent treatment gas is thereby displaced from the packaging and flows out of the mouth region of the packaging again and is deflected at the dished bottom of the treatment nozzle 42 to the outside of the packaging.

The sensors can be arranged either in the first sensor position A or in the second sensor position B or in both sensor positions.

FIG. 7 shows a schematic sectional illustration through the treatment carousel 40, wherein the corresponding treatment nozzles 42 for the treatment of the packaging means 100 are equipped with nozzles which are designed according to FIG. 6 and sensors are arranged at both sensor positions A and B.

Below the rotating treatment carousel 40 stationary treatment nozzles 44 are provided, on which also a sensor for determining the concentration can be provided.

FIG. 8 schematically shows the structure of the sensor 5 in a preferred variant. The sensor 5 has a first passive surface 500, and a second, catalyst-coated surface 520. The passive surface 500 is correspondingly chemically inert to the treatment gas and in particular inert to the hydrogen peroxide. The occupied with the catalyst

Surface 520, however, causes an exothermic degradation reaction of the hydrogen peroxide and may be formed, for example, as a porous MN0 ₂ surface. Due to the exothermic reaction, the catalyst-occupied surface 520 is at a temperature which is the

_Gas temperature T _gas and the heat generated by the exothermic reaction T _Exothe rm corresponds. However, the passive surface 500 only takes the gas temperature To _as 3Π. From the difference in the temperature, which is achieved via a temperature difference measurement 540, it is possible to deduce the concentration of hydrogen peroxide in the treatment gas stream passing by the sensor 5.

Where applicable, all individual features illustrated in the embodiments may be combined and / or interchanged without departing from the scope of the invention.

LIST OF REFERENCES

1 device

100 packaging

2 evaporation device

20 carrier gas supply line

22 control valve

24 mass flow sensor

26 hydrogen peroxide feed line

28 control valve

3 treatment gas line

30 rotary distributor

4 insulator

40 treatment carousel

42 treatment nozzle

420 outlet opening

44 stationary treatment nozzle

5 sensor

50 control line

52 slip ring transmission

54 RFID antenna

56 Evaluation device

500 passive surface

520 catalyst coated surface

540 temperature difference measurement

A first sensor position

B second sensor position

Claims

claims

1 . Device (1) for treating plant components and / or packaging materials in a filling product filling plant, comprising an evaporation device (2) for

Providing a treatment gas stream comprising vaporized hydrogen peroxide, further comprising a treatment nozzle (42) for applying the

Treatment gas flow to the system component to be treated and / or the packaging material to be treated, characterized by a sensor (5) for measuring the hydrogen peroxide concentration in the treatment gas stream emerging from the treatment nozzle (42).

2. Device (1) according to claim 1, characterized in that the sensor (5) in the treatment nozzle (42) and / or on the treatment nozzle (42) is arranged.

3. Device (1) according to claim 1 or 2, characterized in that the sensor (5) is arranged on a rotating part of the device, in particular on a

Treatment carousel (40) on which the treatment nozzle (42) is arranged.

Device (1) according to claim 3, characterized in that the signal of the hydrogen peroxide concentration measured by the sensor (5) is transmitted by wire from the rotating part of the device to a stationary part of the device, in particular by means of a slip ring transmitter (52).

Device (1) according to claim 3, characterized in that the signal of the hydrogen peroxide concentration measured by the sensor (5) is transmitted wirelessly from the rotating part of the device to a stationary part of the device, and the sensor (5) in particular an RFID Chip, by means of which a transmission of the signal of the sensor (5) on an arranged on the stationary part of the device RFID antenna (54) is possible. Device (1) according to one of the preceding claims, characterized in that the hydrogen peroxide concentration signal measured with the sensor (5) is used to regulate the supply of liquid phase hydrogen peroxide to the evaporator (2).

Device (1) according to one of the preceding claims, characterized in that the sensor (5) is a catalytic sensor in which the

Hydrogen peroxide concentration over a temperature difference to a for

Hydrogen peroxide inert surface is measured.

Device (1) according to one of the preceding claims, characterized in that the treatment nozzle (42) has an outlet opening (420) for guiding the

Treatment gas stream in an orifice region of a packaging material to be treated (100) and a dished bottom for deflecting the flowing from the mouth region of the packaging (100), the displaced treatment gas is provided on the outer region of the packaging (100), wherein a sensor (5) in a first Sensor position (A) in the treatment gas line immediately upstream of the outlet opening (420) is arranged and / or a sensor (5) in the dished bottom in a second sensor position (B) is arranged.