Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/048—Overflow-type cleaning, e.g. tanks in which the liquid flows over the tank in which the articles are placed
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
  • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/50—Solvents
  • C11D7/5004—Organic solvents
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/50—Solvents
  • C11D7/5004—Organic solvents
  • C11D7/5013—Organic solvents containing nitrogen
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
  • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
  • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
  • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
  • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
  • C23G5/024—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing hydrocarbons
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
  • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
  • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
  • C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
  • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
  • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
  • C23G5/04—Apparatus
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
  • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
  • C23G5/06—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using emulsions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
  • C11D2111/10—Objects to be cleaned
  • C11D2111/14—Hard surfaces
  • C11D2111/16—Metals
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
  • C11D2111/10—Objects to be cleaned
  • C11D2111/14—Hard surfaces
  • C11D2111/18—Glass; Plastics
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
  • C11D2111/10—Objects to be cleaned
  • C11D2111/14—Hard surfaces
  • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

Definitions

• the invention relates to a method for cleaning industrially manufactured parts made of metal and / or plastic.
• the invention relates to a device for cleaning of industrially manufactured parts made of metal and / or plastic, in particular to r Du rchSystemu ng of the method according to the invention.
• the invention has the object of specifying a method and a device of the type mentioned above with which an improved cleaning experience can be achieved in a shorter time and with less effort.
• An inventive method for cleaning of industrially manufactured parts from metal and / or plastic using a cleaning agent is characterized in that a mixture of at least two organic solvents and water is used as the cleaning agent, which mixture does not interfere with at least one water-soluble organic solvent and at least one water-soluble organic solvent.
• a mixture of at least two organic solvents and water is used as the cleaning agent, which mixture does not interfere with at least one water-soluble organic solvent and at least one water-soluble organic solvent.
• the method includes the following steps: a) introducing parts to be cleaned into a working chamber; b) loading the working chamber with water and with a solvent mixture containing at least one first water-insoluble organic solvent and at least one second water-soluble organic solvent;
• a device for cleaning industrially manufactured parts made of metal and / or plastic, in particular for the purpose of carrying out the method according to the invention, comprising: a) a working chamber for receiving parts to be cleaned;
• Tan kstoff to m providing water and a solvent mixture containing at least a first water-insoluble, organic solvent and at least one second wasserlösl iches, organic solvent, which tank means to m the loading of the working chamber with the water and the solvent mixture with the working chamber in Flu idriv stand;
• a cleaning agent according to the invention a mixture of at least two organic solvents and water is used.
• the water-solvent mixture or the cleaning agent in addition still contains a clean ing amplifier, such as a surfactant and / or an amine. In this way, the cleaning effect can be strengthened in a conventional manner.
• E ine another development of the method according to the invention provides that in Sch ritt c) a rolling of the parts and / or the water-solvent mixture in the working chamber takes place in order to improve the cleaning effect and to this end a dispersion (with liquid components specifically an emulsion) of the components of the water-solvent mixture.
• the parts are removed from the working chamber or the water-solvent mixture (the cleaning agent) is discharged from the working chamber at the end of step c).
• the water-solvent mixture can be fed to an evaporator to recover all the constituents of the cleaning agent (first solvent, second solvent and water).
• a plurality of evaporators can be used in order to reduce recovery.
• E ine a corresponding development of the device according to the invention is characterized by you rch evaporator means and capacitor means in Flu idharm with the Tan kstoff and the working chamber.
• the parts to be cleaned are optionally pre-cleaned with an organic solvent, in particular the first solvent, the second solvent or another solvent, before or after the step a) in the working chamber be introduced or were.
• step b) the water-solvent mixture or the cleaning agent is introduced in liquid form into the working chamber wi rd.
• the temperature is preferably below the flash point to at least one of the two solvents.
• a particularly preferred embodiment of the method according to the invention provides that subsequently, i. after step c), the working chamber is evacuated and at least one organic solvent in liquid, vapor or mixed liquid-vapor state at a negative pressure to the environment, preferably at a pressure of 400 mbar or 200 mbar or lower and with a temperature at or above the Flash point of the solvent in question is fed into the evacuated working chamber and the cleaning is completed by condensation of the solvent vapor on the parts.
• This essentially corresponds to step b) of claim 1 from DE 4329178 B4, which has proved to be particularly effective and advantageous in order to achieve a good cleaning result.
• the above-mentioned solvent may be the first, the second or another suitable solvent.
• step c) hot water at a temperature of preferably above 50 ° C is introduced into the working chamber, wherein preferably in both cases, first the water-solvent mixture was discharged from the working chamber.
• the cleaned parts can then be dried. This drying can be done in the working chamber itself, but without the invention being limited thereto.
• the water Solvent mixture or the cleaning agent is purified by evaporation and / or filtration and prepared for reuse.
• a corresponding development of the device according to the invention is characterized by you rch filter means for the water and for the first and second solvents in fluid communication with the Tan kstoff and the working chamber.
• treatment by means of an evaporator or several evaporators may be preferred, purification or treatment, in particular, is also a matter of ion exchanger or (reverse osmosis) osmosis in the context of the invention.
• ion exchanger or (reverse osmosis) osmosis in the context of the invention.
• Techni ken can be applied, as they also come to r desalting of water to m use and the skilled person are known per se.
• An advantage in the use of evaporators with respect to ion exchangers or the like may consist in the fact that any purifying booster additives can be recovered as a result.
• the detergent preferably contains, based on the proportion of the water-soluble organic solvent, a water content of at least about 10 vol%, preferably at least about 30 vol%, most preferably at least about 50 vol%.
• the cleaning agent contains, based on the total amount of water-soluble organ ischemic solvent and water, 10 to 90 vol .-% n water-soluble organic solvent.
• Particularly suitable is a mixing ratio between non-water-soluble solvent and the total amount of the water-soluble solvent and water of about 10:90, preferably 30:70, most preferably 50:50.
• the quantitative ratio of the first solvent, second solvent and water can be about 1: 1: 1, whereby in principle I can say that the mixture remains functional longer in the context of the invention, the more water it contains.
• the mixing ratios can be - as mentioned - set when filling the working chamber. This is done by pumping the individual constituents of the cleaning agent, such as the organic solvents, water and optionally other substances, from separate (storage) containers or tank means, in the respectively required amount, and thereby combining them into the desired detergent mixture.
• the first solvent and / or the second solvent are each a solvent mixture, the constituents of the respective mixture then each having the basic properties of the first solvent (water-insoluble). or of the second solvent (water-soluble).
• certain additives such as surfactants, amines or the like may be added to the water used.
• first solvent and the second solvent separate after performing part cleaning due to their respective properties, wherein the first solvent organic pollutants (oils, fats) and the second solvent has absorbed inorganic contaminants
• a physical-mechanical separation of the mixture can be performed For example, by means of an overflow or a targeted lowering down. Such a separation can be used in addition to the already mentioned evaporation and / or filtration.
• a corresponding development of the device according to the invention is characterized by separation means for oil and / or water in fluid communication with the evaporator and condenser means.
• the quantitative ratio or an absolute amount can be chosen so that a sufficient phase thickness (after separation) results to correspond to a known or assumed degree of contamination of the parts to be cleaned, ie completely absorb the pollution in question .
• Yet another development of the method according to the invention may involve generating and maintaining a negative pressure relative to the environment at least during steps e) and c) in the working chamber. If the ambient pressure is about 1 bar, it can be provided, without limitation, that a negative pressure with an absolute value of about 100 mbar or about 200 mbar to 400 mbar is generated in the working chamber. This is used in particular for explosion protection.
• a corresponding development of the device according to the invention is characterized by pressure generating means in fluid communication with the evaporator and condenser means and / or with the working chamber.
• an overpressure relative to the environment is generated and maintained in the working chamber.
• the overpressure can be, for example, up to 1 bar above the ambient pressure.
• the cleaning agent preferably comprises at least one water-soluble organic solvent, the water-soluble organic solvent containing more than 5% by volume (20% by volume, 30% by volume, 50% by volume). ) dissolves in water, and at least one non-water-soluble organic solvent, wherein the non-water-soluble organic solvent in a proportion of less than 5 vol .-%, preferably ⁇ 1% by volume, more preferably ⁇ 0, 1 vol. -%, dissolved in water.
• a detergent both non-water-soluble (fat-soluble) and water-soluble impurities can be removed from the components to be cleaned.
• organic solvents are used, such as:
• Hydrocarbons such as n-hexane, petrol, benzene, benzene homologues such as styrene, suitably aliphatic hydrocarbons containing from 5 to 18 carbon atoms, such as cyclic saturated hydrocarbons and straight or branched chain saturated or unsaturated hydrocarbons, preferably cycloalkanes, n Paraffins, iso- paraffins or (test) gasolines (such as Stoddard solvent), or aromatic hydrocarbons, such as toluene or xylene;
• Alcohols such as methanol, ethanol, isobutanol, propanol, isopropanol, phenol, hexanol, alkoxypropanols or alkoxyethanols;
• Ketones such as acetone, methyl ketone (MEK), methyl isobutyl ketone (MIBK);
• Esters such as alkyl lactates, dibasic esters, commercially available mixtures of dibasic esters;
• Ethers such as dipropylene glycol monomethyl ether (DPM), diethyl ether or hydroxy ether;
• R-COOH - carboxylic acids
• HO-R-OH - glycols
• ethanediol ethylene glycol, glycol
• propanediol propanediol
• diethylene glycol triethylene glycol
• Amino compounds such as aniline, ⁇ -naphthylamine, benzidine;
• Hydrocarbon sulfur compounds such as dimethyl sulfoxide (DMSO), carbon disulfide, and
• cyclic siloxanes containing, suitably, 6 to 8 ring atoms, or a mixture of two or more such compounds.
• organic solvents are used which have a flash point which is below their boiling point at atmospheric pressure and which have a boiling point of 100 ° C. or less at an absolute pressure of 1 mbar or more.
• the organic solvents preferably have a flash point in the range of 40 ° C to 100 ° C.
• the flash point of particularly suitable organic solvents is in the range of 55 ° C to 100 ° C and more preferably in the range of 61 ° C to 100 ° C.
• the cleaning agent preferably also comprises one or more additives selected from the group consisting of surfactants, amines, pH buffers, dispersants, inorganic solvents, such as ammonia solutions or inorganic acids, which have already been pointed out.
• additives selected from the group consisting of surfactants, amines, pH buffers, dispersants, inorganic solvents, such as ammonia solutions or inorganic acids, which have already been pointed out.
• a mixture comprising as cleaning agent
• Pressure and temperature are preferably selected in the inventive cleaning method so that no explosive mixture of air and the solvent vapors can form.
• ultrasound is applied to the working chamber and its contents at least during step c) in order to promote the dispersion of the constituents of the cleaning agent and to improve the cleaning effect. In this way, the achievable cleaning effect can be increased.
• a corresponding development of the device according to the invention is characterized by ultrasound generating means in operative connection with the working chamber in order to apply ultrasound to the working chamber and its contents.
• a preferred "minimum equipment" of the device according to the invention comprises at least one tank (tank means) for the water-solvent mixture, a working chamber for carrying out the actual cleaning, preferably with a circulation for producing a dispersion of the added solvents and the water, and an evaporator to recover the solvent used and the water.
• the single figure shows schematically an embodiment of the device 1 according to the invention, wherein optional components are shown in phantom.
• the device 1 comprises, in addition to a working chamber 2, at least one detergent tank 3 containing the cleaning agent used (two different solvents and water) ("tank 1"); the further tank-marked tank 4 ("tank 2") is like the corresponding one Line, conveyor, filter and valve means (also shown in phantom) - optional.
• At least the tank 3 is in fluid communication with the working chamber 2 via suitable line, conveying 5, filter 6.1, 6.2 and valve means (not all designated), so that the cleaning agent from the tank 3 can be introduced into the working chamber 2, for example by flooding (in particular via the fine filter 6.2) or by injection.
• the working chamber 2 can also be charged with the parts to be cleaned (not shown).
• an evaporator 7 is arranged in fluidic operative connection with the working chamber 2, so that a cleaning and recovery of the individual components of the cleaning agent is possible.
• the filter means 6.1, 6.2 switched into the circulation for the cleaning agent serve to clean the cleaning agent of soiling.
• the provision of a separate coarse filter 6.1 is not absolutely necessary.
• the tank 1 has at reference 3a an overflow for the operation of the device 1 in the clean ing of parts oily first, water-insoluble solvent, which overflow 3a is in operative connection with the evaporator 7, to allow continuous operation in operation of the particular solvent in question ,
• the evaporator 7 is connected to a condenser 8, which in turn is in operative connection with separator means 9 and a vacuum pump 1 0.
• Separator 9a may be provided to recover the water insoluble solvent, the other separator 9b to recover the water soluble solvent (and water) without limiting the invention to such an embodiment.
• At the working chamber 2 can not be arranged ultrasound means shown to urge the contents of the working chamber 2 currency end of the cleaning process with ultrasound. Furthermore, the at least the working chamber includes means for setting a working temperature (not shown).
• the working chamber 2 is also directly in operative connection with the evaporator 7 (at reference numeral 7a), u m a vapor phases cleaning of parts to be cleaned - especially after they have been cleaned with the cleaning agent, as described above.
• Vakuumpu mpe 1 0 By means of the Vakuumpu mpe 1 0 then a (Vakuu m-) drying of the parts in the working chamber 2 du you rchhold. For putting in addition, it can be used to E instellen a certain pressure in the working chamber 2.
• this tank (“Tan k 2") may be filled with an organic solvent, preferably with a water-insoluble solvent, most preferably the first solvent, which also contains in the cleaning agent used
• the solvent in tank 4 may contain additives, such as anti-corrosives or lipid-replacers, and the relevant tank k 4 is represented by appropriate piping, conveying 1 1, filter 12 and valve means (shown in phantom, not all designated) ) - in Wirkverbindu ng. Tan k 4 and tank 3 may be cascaded, as shown.
• the plant part "share" with the tank 3 and the optional plant part with the tank 4 at least the working chamber 2, the evaporator 7, the coarse filter 6.1 and the condenser-separator arrangement 8, 9 with the vacuum pump 10, without the invention would be limited to this.
• the described variant of the device 1 initially works analogously to the variant without tank 4 and the associated further means to perform a cleaning.
• the relevant solvent can be introduced into the working chamber 2 from the tank 4, for example by injection, in order to keep the consumption small.
• water residues can be removed, so-called “dewatering.”
• the solvent used can be removed via the filter means 6.1, 6.2 into the tank 3 and / or the tank 4.
• the solvent used can be passed through the water separator 9a If the tank 3 is operated, it will be advisable to supply the solvent at the top, because there will be the relevant solvent layer of the first solvent, after which the working chamber 2 can be (partially) filled with the solvent from tank 4, the solvent being applied to a tank
• the working chamber 2 can be (partially) evacuated for this purpose, preferably by means of the vacuum pump 10. This helps to evaporate any remaining water remaining on the cleaned parts Coarse filter 6.1 circulated, which can be used for recovery Solvent on the evaporator 7 and the condenser-separator arrangement 8, 9 (the water 9a) are guided.
• tank 4 there may be an additional (hot) water tank for flushing purposes, which is not shown in the figure.
• the tank 4 can alternatively be used accordingly.
• tempering (not shown) may be provided to adjust the temperature of the detergent / solvent targeted.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Organic Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Materials Engineering (AREA)
• Mechanical Engineering (AREA)
• Metallurgy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Cleaning By Liquid Or Steam (AREA)

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Citations (6)

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• 2016
  • 2016-05-30 DE DE102016109861.2A patent/DE102016109861A1/de not_active Withdrawn
• 2017
  • 2017-05-29 EP EP17726614.5A patent/EP3463699B3/de active Active
  • 2017-05-29 PL PL17726614.5T patent/PL3463699T6/pl unknown
  • 2017-05-29 ES ES17726614T patent/ES3001515T3/es active Active
  • 2017-05-29 WO PCT/EP2017/062888 patent/WO2017207486A1/de not_active Ceased

Patent Citations (6)

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