CN100585076C

CN100585076C - Method and arrangement in the manufacture of coating

Info

Publication number: CN100585076C
Application number: CN200380101639A
Authority: CN
Inventors: J·伯格曼
Original assignee: Metso Paper Oy
Current assignee: Valmet Technologies Oy
Priority date: 2002-10-17
Filing date: 2003-10-16
Publication date: 2010-01-27
Anticipated expiration: 2023-10-16
Also published as: FI114032B; WO2004035927A1; FI20021859A; EP1552060A1; AU2003271047A1; CN1705798A; FI20021859A0

Abstract

The object of the present invention is a method and arrangement in the manufacture of coating, where the coating is manufactured by mixing two or more components together. The mixing of components is done by mixing two or more components in two or more mixing zones arranged in series and/or in parallel, of which at least some are pressurised.

Description

Make the method and apparatus of coating

The method and apparatus that the purpose of this invention is to provide the manufacturing coating of describing as following independent claims preamble.

What people were known is that coating for example is used for the coating of paper and cardboard manufacturing, mainly is by manufactured in batches in mixer.In addition, continued operation manufacture process is known also.In these two principles, operating principle is a coating composition, and promptly raw material quantitatively is administered in the mixer, and they are mixed so that form the coating for preparing in this container.

Problem in the known typical batch operation manufacture process is to want to change the preparation that coating type needs several vessels and several hours.Therefore, the batch operation manufacture process is high to the requirement in space.In addition, in the flushing process in the batch operation process, will produce the water that contains coating in a large number, its further processing is trouble in some cases.

Compare with batch process, the problem in the known typical continued operation process is being limited in scope in treatment formulations.In addition, the cost that the reproducibility and the accuracy requirement of component dosage increased continuous plant.

In addition, the problem of known paint manufacturing process is that they tend to air is mixed in the coating to a certain extent.For example, in curtain coating, the air content of coating is the highest may to be the 0-0.25 percent by volume.In addition, be mixed into air in the coating and may cause not coated spot in material to be coated such as paper or cardboard.In the curtain coating of multilayer, the importance of degasification still can increase.So, if three or four coatings are for example arranged, the coating when being used to form every layer must degasification before coating, is to remove free bubble at least.

In known devices, tried several method to remove the air in the coating.The degasification of the coating for preparing mainly is based on and utilizes centrifugal force, promptly uses hydrocyclone actually.Coating is gone in the waterpower cyclone by feed under quite high pressure, and described pressure is 1 to 4 crust typically.In described cyclone, pressure differential range approximately is the 1-2 crust in actual applications.When coating in so following time of pressure, air is dissolved in the coating and goes, and is dissolved into the liquid that is used for making coating more specifically, for example in the water.Therefore, use centrifugal air-separator, only the free air in the coating can be removed, and described in addition free air is along with the rising of pressure reduces.When the pressure that influences coating is reduced once more, for example applying the station, be dissolved in air in the coating because the variation of pressure is released and expands, therefore cause the problem that applies in the operation of station.

In addition, patent application open file WO 02/066739 discloses the manufacture method of slurry, wherein slurry is to form by in the opened type mixer pigment and adhesive (latex) being mixed to make, and the mixture of generation is directed to degasification from described mixer.Because in the above-mentioned open file of quoting in the disclosed scheme, degasification is undertaken by spray described pigment binder combination in one or two stage, according to the disclosure file, the viscosity of this mixture must be below 500mPas (20 ℃ of Brookfield 100RMP), preferably below 200mPas.After the degasification, surfactant and thickener are added in the space of a sealing in this pigment binder combination and go.The disclosure file has disclosed about 0.05 crust of the pressure in the deaerating chamber.The problem of the degasification method that discloses in the disclosure file is that it is unsuitable for having high viscosity very and can not be by spraying the slurry and the mixture of degasification.Therefore, the method that discloses in the disclosure file requires to have independent reservoir vessel, when the slurry for preparing for example can not directly be fed to the coating station when breaking down, because it can not be directed back the opened type agitator its high viscosity, the described slurry for preparing can be admitted to described independent reservoir vessel.

The purpose of the method according to this invention and device is to remove or is to significantly reduce the problem that produces in the aforementioned prior art at least, disclose a kind of method and apparatus of making coating, the quality of the coating for preparing under the help of this method and apparatus can be than controlled better and management in the past.

In addition, another purpose of the method according to this invention and device is can be to the controllability of the mixing intensity of coating composition order by merging and variety classes component.

Another purpose of the method according to this invention and device is to disclose a kind of method and apparatus of making coating, relies on the method and device, dissolve in the coating and freely air capacity can reduce.

For realizing the above purpose, the method according to this invention and device principal character are the feature that the following independent claims characteristic of listing is described.

According to a kind of typical method of the present invention, the mixing of component is to be undertaken by mix two or more components in two or more mixed zones of contacting and/or being arranged in parallel, and pressurizes at least some mixed zones in these mixed zones.This use is several, the method for continuous mixed zone preferably, promptly so-called cascade process make in conjunction with in batches and the advantage of continued operation process become possibility.In addition, show that the The Characteristic Study result that the order that quantitatively gives component can influence finishing agent can be utilized.In the method according to the invention, component can mixed in couples or several components be mixed simultaneously.And, can select component by this way, that is, make them not produce any harmful chemical reaction or physical-chemical reaction each other.

According to method of the present invention, the stress level of mixed zone is typically greatly about 100-1000kPa, preferably greatly about 200-500kPa.The increase of mixed zone stress level may increase energy used in the mixed process,, increases the intensity of mixing that is.More preferably, component to be mixed is in the space of pressurization, also is at least between the mixed zone of pressurization.More preferably, component to be mixed is mixed in following mode: used mixing arrangement is pressurized, that is, this device seals mutually with this device any air source and/or air outlet slit from component feed pump to machine container outward.Like this, the condition of mixed process can carefully be controlled, and hinders the unnecessary air of admixture characteristic to be prevented from being mixed in this mixture.

If component to be mixed comprises a large amount of air, even more preferably guide in these components at least some by deaeration for example centrifugal air-separator enter the mixed zone.Like this, the air capacity of bringing mixture with component into can be reduced, and by this way, the quality and the availability of the mixture of formation are improved.

In a method for optimizing according to the present invention, the temperature of coating to be made is to be controlled by the temperature control system that is provided with that links to each other with one or more mixed zones.Therefore, the characteristic of coating can be controlled, and the coating temperature can be set as required.Typically, the temperature of the coating for preparing by last mixed zone is greatly about 15-65 ℃.

In a method for optimizing according to the present invention, the coating manufactured in the mixed zone is drawn towards pressurized screen.Use this pressurized screen, can remove the unwanted particle that may comprise in the coating.In this screening process, the possible air bubble that is mixed in the coating is broken when gas outlet is discharged passing this sieve and screen out by this.In according to method of the present invention, can use more than one pressurized screen.Coating is drawn towards machine container from this pressurized screen.According to a preferred method of the present invention, in this machine container, pressure below atmospheric pressure is set, make that the pressure in this machine container reaches about 5-105kPa.

According to a method for optimizing of the present invention, the component of mixing in one or more mixed zones is fed in the seperator, is provided with about 0.5-50kPa in this seperator, preferably the negative pressure of about 2-15kPa.Like this, in seperator according to the present invention, there be the absolute pressure lower, make the air that is dissolved in the coating be released, and in seperator, be removed by centrifugal force and negative pressure than traditional centrifugal air-separator.Coating feed pressure when coating is admitted to getter can be between 10 to 300kPa.The coating that is in this seperator that contains very little air preferably is drawn towards the coating station.In addition, the amount of mixture, that is, the amount that is admitted to the coating at one or more coatings station can be measured, thereby control coating procedure exactly.

According to a preferred method of the present invention, the characteristic of the mixture that mixed component constitutes is set at one or more measurement devices of at least one back, mixed zone and measures.Therefore, can from the mixture of the coating for preparing or its component, measure.On the basis of the measurement result of being done, ratio and/or the amount of sending into the component in the manufactured coating can be controlled in different mixed zones.

In an exemplary device according to the present invention, the instrument of blending ingredients is set in two or more series connection and/or the mixed zone in parallel, and at least some are pressurized in these mixed zones.For the component feed is gone in the mixed zone, can use for example pump, gravity, gate feeder or other suitable device.In the mixed zone, for example static mixer, mixing pump, blending tank or other suitable process equipment can play the effect of agitator.

In a preferred device according to the present invention, be provided with in the mixed zone general big about 100-1000kPa, preferably greatly about the stress level of 200-500kPa.Usually, different stress levels is arranged, but stress level also can be identical in different mixed zones.Especially, mixed component and the used flow rate effect stress level used in the mixed zone in the mixed zone.Stress level can for example send device measured and/or monitoring by surging.In this case, can for example carry out like this control of mixed zone: use standardized mixed effect in the mixed zone, mixing condition for example changes by adjusting flow velocity.More preferably, this device also can be pressurized between the mixed zone, thereby this device is preferably pressurized up to machine container from the raw material feed pump.

In a preferred device according to the present invention, this device comprises the instrument of removing and/or reduce air from the one or more components that are admitted to the mixed zone.Therefore the air capacity that is transferred in the mixture with component has been reduced, and therefore the air capacity in the mixture of preparation also has been reduced.

A preferred device according to the present invention comprises the instrument of removing air from mixture, and this instrument comprises and be provided with about 0.5-50kPa, preferably the about seperator of the negative pressure of 2-15kPa.More preferably, the described instrument of removing air from mixture also comprises the centrifugal air-separator that is arranged between mixed zone and the seperator.By using described instrument, dissolve in the coating and freely air almost can be removed entirely, that is, generally reach percent by volume below 1, preferably percent by volume is below 0.5.

A preferred device according to the present invention comprises at least one temperature control system, and this temperature control system is used for being controlled at the temperature of the coating that blender mixes, and is arranged to link to each other with at least one blender of comprising in the mixed zone.Preferred, this temperature control system is an integral part of blender.This temperature control system has been arranged, and coating can be heated or cooled, so that reach the temperature of wanting, generally is 15-65 ℃.When this temperature control system is arranged to link to each other with blender, need not independent temperature control system, wherein, this independent temperature control system can increase this device requisite space.

A preferred device according to the present invention comprises at least one pressurized screen of screening mixture behind a mixed zone at least.More preferably, this pressurized screen is the sieve of perforation, the sieve that groove is arranged or oval sieve.The hole dimension about 65-300 micron preferably of sieve that is used for the reality of this device.By this pressurized screen, the possible unwanted particle that is included in the coating can be removed.In addition, be preferably on this pressurized screen gas removing pipe is set, the other end of this gas removing pipe links to each other with machine container.By this gas removing pipe, the air that discharges when possible air bubble breaks in this sieve in the coating can be removed.

Also preferably include the instrument that shifts mixture from seperator and/or pressurized screen to one or more coatings station according to device of the present invention.Preferred, this device also comprises the instrument of the amount of measuring the mixture of transferring to one or more coatings station.In order to measure the amount of mixture, depend on practical application, for example can service property (quality) flowmeter and/or volume flowmeter.

A preferred embodiment according to the present invention comprises the instrument that is used to measure the admixture characteristic that is formed by mixed component, and/or this device is connected to this instrument.More preferably, the described instrument that is used to measure the admixture characteristic that is formed by mixed component comprises at least one or a plurality of measurement device that is arranged on behind at least one mixed zone.By this measurement device, can control the feed of component to the mixed zone.

One of advantage that the method according to this invention and device are maximum be form the characteristic and the quality of the coating of final products can be controlled well, reason is that this method and apparatus can be by carefully controlled.So, relying on the help of the method according to this invention and device, the characteristic of coating can be kept than more stable in the past, and the runnability that therefore applies the station is improved, and the interruption times that is caused by coating has been reduced.In addition, the measurement according to preferred embodiment can be carried out the prescription of coating and the measurement and the control of physical characteristic under very short delay.

In addition, an advantage of the present invention is that the order by merging of component is controlled, and in dissimilar mixed zones, mixing intensity is controlled.

In addition, the advantage of the method according to this invention and device preferred embodiment be to dissolve in the coating and freely air can more effectively be removed than known system.And the wastage of coating will remain on par or than former even lower level.

Below, will be with reference to appended description of drawings the present invention, wherein,

Fig. 1 schematically shows the flow chart of coating constructed in accordance, and

Fig. 2 schematically shows according to depassing unit of the present invention.

Fig. 1 schematically shows the process flow diagram flow chart of making coating with the form of giving an example.As shown in the figure, manufacture process comprises a plurality of mixed zones, and component wherein to be mixed is directly guided from for example reservoir vessel guiding or by sieve.

First mixed zone is included in the static mixer 1 under the 200-500kPa pressure.First pigment for example calcium carbonate is drawn towards blender 1 by first sieve 2 along pipeline 3.In addition, second pigment for example calcium carbonate be drawn towards blender 1 by second sieve 4 along pipeline 5.And along pipeline 7, dispersant is drawn towards this blender along pipeline 8 by the 3rd sieve 6 for adhesive such as latex.From first mixed zone, mixture is drawn towards second mixed zone at pressure lower edge pipeline 9, herein, the 3rd pigment for example kaolin was added in the mixture along pipeline 12 by sieving 11 before blender 10, and the 4th pigment for example kaolin is added in the mixture along pipeline 14 by sieving 13.Can mixture be shifted between the mixed zone with pump, but also can shift without pump.Second blender 10 also is a big static mixer under 200-500kPa pressure.Also can use dynamic mixer to replace static mixer.

From second mixed zone, mixture is guided into the 3rd mixed zone along pipeline 9 under pressure.

In the 3rd mixed zone, before blender 15, CMC (carboxy methyl cellulose) is added mixture along pipeline 16, and optical brightener is added mixture along pipeline 17.The 3rd blender 15 also is a big static mixer under 200-500kPa pressure.In some applications, also can replace static mixer as the 3rd blender with dynamic mixer.

From the 3rd mixed zone, mixture is transferred to the 4th mixed zone that comprises the 4th static mixer 18 under pressure, and this static mixer also can be replaced by dynamic blender.In the 4th mixed zone, water is added mixture along pipeline 19.The 4th blender is under about 200-500kPa pressure.The instrument of control temperature promptly, is used to heat and/or the instrument that cools off the mixture that is transferred by blender is connected to the 4th blender 18.Being used for temperature controlled instrument realizes by the instrument that water circulation and being used to is set for blender heats and/or cool off the water that circulates in water circulation.

Be introduced to continuous mixing device/degumming agent equipment 20 (based on rotor/stator) through the mixture of the 4th mixed zone, carry out the actual mass measurement first time, wherein one or more following factors are measured from mixture: dry matter content, pH value, viscosity, chemical composition, temperature, density and air content.Measurement can be by for example using applicant's described method and apparatus of Finnish patent application FI20010818 or request for utilization people's US patent publication US 6,230, and the method and apparatus described in 550 carries out.In Fig. 1, Reference numeral 21 shows US patent publication US 6,230, the device described in 550, and it is connected in this paint manufacturing process.

The result of mass measurement can be used to control amount, their feed ratio and the feed speed of the component of feed, and the process condition that is used for controlling the mixed zone is the main pressure in mixed zone for example.In addition, in the method according to this invention and the device, can use than the more mass measurement of this measurement shown in the drawings.The number of times of mass measurement and position are determined according to separately measurement and use needs.Therefore, this device also can comprise the different interval measurements that mix.In the case, measurement can for example be carried out by this way: first this mass measurement is carried out behind second mixed zone, and the parameter of measuring this moment can be dry matter content, pH value, viscosity, chemical composition, temperature, density and the air content in the mixture for example.Therefore, in the 3rd mixed zone, can adjust for example dry matter content and viscosity according to the mass measurement first time.Second this mass measurement can be carried out behind the 3rd mixed zone, and this moment, measured parameter can be dry matter content, temperature and the density of for example mixture.The method according to this invention and device also can be implemented by this way: the characteristic of the coating for preparing for example uses the reflection measurement method to measure from the surface of coated material roll, this measurement result is used alone or uses with other measurement result, so that control and/or adjust the manufacturing of coating slurry to be made.

Coating compound is drawn towards by one group of sieve 22 from blender/degumming agent equipment 20 and applies the station, and for example curtain coating covers the station, or is directed so that degasification as shown in Figure 2.This group sieve 22 comprises two pressurized screens with perforated screen, depends on concrete application, and hole dimension can approximately be the 65-300 micron.As for sieve, only can use a sieve or more than two sieves.In addition, also can use sieve or the oval sieve that groove is for example arranged.

In Fig. 1, the mixed zone is connected with the form of series connection.The mixed zone also can be set up by this way: some mixed zone is parallel, makes parallel mixed zone can be used for blending ingredients, the stage of independent then mixture after, that is, is mixed together in the mixed zone of connecting with above-mentioned mixed zone.

In addition, this device can have than shown in Figure 1 still less or more mixed zone.Equally, component to be mixed and their order by merging can be different.

As mentioned above, form mixture and be mixed into compound in the mixture, that is, the raw material of coating are generally guided sieve and/or blender by the feed pump into from reservoir vessel.Component to be mixed also can for example be provided from silo or grinding pipeloop.In addition, deaeration can be connected to and be used for the mixed device of one or more compounds, thereby the air content of compound to be mixed can be reduced, and has therefore reduced the air capacity that is brought in the mixture.In this case, deaeration can be for example between sieve and the mixed zone or before sieve.If compound to be mixed does not need screening, this deaeration can be arranged on the pipeline, for example just before pipeline connects the mixed zone.

In order to simplify accompanying drawing, Fig. 1 does not illustrate maybe important and significantly parts, for example different pressures in the pipeline and flow sensor, component reflux pipeline and rinse-system etc. for a person skilled in the art of its itself of this device of valve and their control appliance.

Fig. 2 schematically shows by way of example according to depassing unit of the present invention.As shown in the figure, for example in device shown in Figure 1, coating is drawn towards machine container 30 along pipeline 31.Except with device shown in Figure 1 links to each other, depassing unit as shown in Figure 2 also can link to each other with the device of the manufacturing coating of other type.

The instrument that is used to regulate the machine container internal pressure is connected to machine container, thereby if desired, the pressure that forces down than normal atmosphere can be set in machine container 30.Therefore, the machine container internal pressure can be 5-105kPa.In addition, machine container 30 also comprises blender, can mix the coating that is fed to this container with this blender.From this machine container 30, coating is transferred to underpressure deaerator 36 by pump 32 eccentric screw pump for example along pipeline 33.The pressure of coating generally is about 10-300kPa in the pipeline 33.In this underpressure deaerator, may be included in the air in the coating, that is, the air and any air that freely keeps that are dissolved in the coating are removed.In this underpressure deaerator 36 about 0.5-50kPa's and preferably approximately the main vacuum of 2-15kPa for example compressor or vavuum pump are realized by being connected to pump 38 on this underpressure deaerator 36.After this underpressure deaerator 36, the air content in the coating is in fact almost nil,, is lower than 0.1 percent by volume that is, and the pressure on the inlet side of compression pump 39 approximately is 20-40kPa.From this underpressure deaerator 36, coating is pumped into along pipeline 40 by pump 39 and applies the station, and after the pumping, the pressure of coating depends on that the kind at applicable cases and coating station is approximately 100-1000kPa.Applying the station, the width of cloth material for example one or both sides of paper web or the plate width of cloth is simultaneously coated.This coating depends on needs and uses and can or more multi-layeredly constitute by one deck.Be used to different layers if having the coating of different chemical composition, every kind of different coating generally needs devices such as its oneself feed, degasification.

Pressurized screen 41 is set at after above-mentioned depassing unit on the pipeline 40, and this pressurized screen is guaranteed not have unwanted particle and is brought to the coating station.The degasification pipeline of this pressurized screen 41 is connected on the machine container 30.This pressurized screen can be for example similar to pressurized screen shown in Figure 1 type.

Fig. 2 also shows measuring system 43 and is connected on the pipeline 40, to measure the characteristic of mixture, i.e. and the characteristic of the coating that is transferred by pipeline 40.This measuring system can comprise the instrument of for example measuring gas content in the coating, density, dry matter content, viscosity, pH value and/or bubble size.At least some in the above-mentioned measurement can be by use the applicant's described method and apparatus of patent application FI20010818 or request for utilization people's US patent publication US6, and the method and apparatus described in 230,550 carries out.

In addition, Fig. 2 also shows and is connected to reflux pipeline on the pipeline 40 and that be equipped with valve 45.Second end of this reflux pipeline 44 is connected to machine container 30.If coating procedure is temporarily interrupted, degasification can be independent of outside the coating in that the machine loop trunks is continuous to be carried out, because by reflux pipeline 44, coating can be got back in the machine container 30.Guaranteed like this to cover when restarting, can also use gas-free coating when being coated with.In addition, if measuring system 43 comprises the mass flow measurement of coating, being transported to the coating content that applies the station can be by valve 45 controls and management.Therefore, during especially for multiple coating, the coating content that is used for every layer can carefully be controlled as required.

By manufacturing and depassing unit according to coating of the present invention, can make coating, the air content of this coating behind depassing unit is general about to be the 0-0.1 percent by volume, surface tension is general big about 10-150mN/m, dry matter content is general big about the 50-75 percentage by weight, and temperature is general big about 15-65 ℃.The viscosity of coating is general big about 5-700mPas (ColorMat), that is, viscosity is measured by using on-line measurement to carry out, and wherein viscosity is measured based on using several shear force values.

Purpose described above is not to limit the invention to the above embodiments by any way, but can change in the inventive concept scope that following claims limit.

Claims

1. method of making coating, wherein, by two or more components are mixed manufacturing coating, it is characterized in that, the mixing of component mixes two or more components and carries out the pressurized stress level at 200-1000kPa of at least some in these mixed zones in two or more mixed zones of series connection and/or parallel way setting.

2. method according to claim 1 is characterized in that the stress level of mixed zone is at 200-500kPa.

3. method according to claim 1 and 2 is characterized in that, component to be mixed is in the pressurized space, also is between the mixed zone of pressurization.

4. method according to claim 3 is characterized in that, in the method, has used the mixing arrangement of the pressurization from component feed pump to machine container.

5. method according to claim 1 is characterized in that, at least a of component to be mixed guided to the mixed zone by deaeration.

6. method according to claim 1 is characterized in that, the temperature of coating is to be controlled by the temperature control system that is provided with that links to each other with one or more mixed zones.

7. method according to claim 1 is characterized in that the component of mixing is fed to pressurized screen in one or more mixed zones.

8. method according to claim 1 is characterized in that the component of mixing is fed in the seperator in one or more mixed zones, be provided with the negative pressure of 0.5-50kPa in this seperator.

9. method according to claim 8 is characterized in that the component of mixing is fed in the seperator in one or more mixed zones, be provided with the negative pressure of 2-15kPa in this seperator.

10. according to Claim 8 or 9 described methods, it is characterized in that mixture is transferred so that screen from seperator, it further is transferred to and applies the station after screening.

11. method according to claim 1 is characterized in that, the mixture that constitutes by the component of mixing and/or the characteristic of partially mixed thing are measured by the one or more measurement devices that are arranged at least one back, mixed zone.

12. device of making coating, it comprises the instrument of transfer and compo component at least, it is characterized in that the instrument of blending ingredients is set in the mixed zone of two or more series connection and/or parallel connection, at least some are pressurized to the stress level of 200-1000kPa in these mixed zones.

13. device according to claim 12 is characterized in that, is arranged on the stress level of 200-500kPa in the mixed zone.

14., it is characterized in that this device is also pressurized between the mixed zone according to claim 12 or 13 described devices.

15. device according to claim 12 is characterized in that, has the instrument of removing and/or reduce air from the one or more components that are admitted to the mixed zone that is included as.

16. device according to claim 12 is characterized in that, this device comprises the instrument of removing air from mixture, and this instrument comprises the seperator of the negative pressure that is provided with 0.5-50kPa.

17. device according to claim 16 is characterized in that, this device comprises the instrument of removing air from mixture, and this instrument comprises the seperator of the negative pressure that is provided with 2-15kPa.

18. device according to claim 12, it is characterized in that, this device comprises at least one temperature control system, and this temperature control system is used for being adjusted in the temperature of the coating that blender mixes, and this temperature control system is arranged to link to each other with at least one blender of comprising in the mixed zone.

19. device according to claim 12 is characterized in that, this device comprises at least one pressurized screen that is used for screening at least mixture behind a mixed zone.

20. device according to claim 19 is characterized in that, this pressurized screen is the sieve of perforation, the sieve that groove is arranged or oval sieve.

21., it is characterized in that the hole dimension of this pressurized screen is the 65-300 micron according to claim 19 or 20 described devices.

22. device according to claim 19 is characterized in that, this device comprises the instrument that is used for shifting to one or more coatings station from pressurized screen mixture.

23. device according to claim 16 is characterized in that, this device comprises the instrument that is used for shifting to one or more coatings station from seperator mixture.

24., it is characterized in that this device comprises the instrument of the amount that is used to measure the mixture of transferring to one or more coatings station according to claim 22 or 23 described devices.

25. device according to claim 12 is characterized in that, the instrument that this device comprises the characteristic that is used to measure the mixture that is formed by mixed component maybe this device is connected to the instrument of the characteristic that is used to measure the mixture that is formed by mixed component.

26. device according to claim 25 is characterized in that, the described instrument that is used to measure the admixture characteristic that is formed by mixed component comprises at least one or the measurement device that is arranged on behind at least one mixed zone more.