EP1288365B1 - Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen - Google Patents
Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen Download PDFInfo
- Publication number
- EP1288365B1 EP1288365B1 EP01120110A EP01120110A EP1288365B1 EP 1288365 B1 EP1288365 B1 EP 1288365B1 EP 01120110 A EP01120110 A EP 01120110A EP 01120110 A EP01120110 A EP 01120110A EP 1288365 B1 EP1288365 B1 EP 1288365B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- thickener
- filter
- pressure
- printing thickener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002562 thickening agent Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000004753 textile Substances 0.000 title claims abstract description 11
- 238000004064 recycling Methods 0.000 title claims description 10
- 239000000975 dye Substances 0.000 claims abstract description 39
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000003755 preservative agent Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010025 steaming Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000000386 donor Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 238000009988 textile finishing Methods 0.000 abstract 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 16
- 230000008719 thickening Effects 0.000 description 11
- 239000004744 fabric Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 235000019646 color tone Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010014 continuous dyeing Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Definitions
- the invention relates to a process for recycling pressure thickener when printing on textiles Material webs and an associated device for extraction, Preparation and reuse of pressure thickeners, preferably for carpets and carpets made of polyamide and pure wool and mixed with other fiber materials.
- the extracted mixture is due to the mixing of Thickener and dye solution in one defined viscous shape and passes through 2 coarse filters to the water ring pump, there is increased shear forces exposed and is further diluted with water.
- the thickener mixture is mixed in with air deposited in a very large separator tank and must be Vacuum can be separated from the entered air. Then the mixture of fluff is separated by means of a simple lint filter and a return via a heat exchanger to the rubber applicator, without a separate one Cleaning without an exact determination of the ingredients and without their correction.
- This recycled thickener is for re-use for coloring, only the aforementioned technology, but not for printing suitable.
- carpets are printed, by using a mixture of pressure thickener, Dyes and fixing accelerators of a defined Viscosity and free of fibers and other impurities, due to an existing fine filter of approx. 50 ⁇ m, through fine stencils or nozzles, partially with the usual ones Printing process designed in color, subdued, all applied agent washed out with the exception of the dye and then the carpet is dried.
- the pressure thickener mixture gets into the wastewater.
- the invention has for its object a method and to create an associated device, whereby the through the steaming process largely from the dye and other auxiliaries exempted from pressure thickeners this removes fibers and other impurities, corrected and reused in the new printing process can be.
- this object is in the characterizing Parts of claims 1-2 solved.
- the device is based on a schematic diagram - Fig. 1 - and an embodiment based on one with printing paste splashed carpet explained in more detail.
- the entire system for printing or continuous dyeing exists from a product template, preparatory work, such as from Clean up impurities. Steaming, straightening and the like, the actual process of coloring, fixing the Dyes, the washing out of pressure thickeners and Residual dyes, dewatering and drying.
- the device consists of a damper 1, which is followed by the guide rollers 2 and 2a according to the flow of goods 5 from the damper 1 to the washing system 4.
- a suction bar 3 is arranged below the goods run 5 for guiding the pressure thickener-air mixture 11 into a separator 6.
- This has an air outlet opening 12 on its upper part.
- the lower part is designed as a collecting container of the pressure thickener 10 and has an outlet opening which leads to the filter 8 via a pump 7 via intermediate containers 9 a and via a further pump 7 a.
- In the lower part of the filter 8 there is an outlet opening for the recycled pressure thickener 10a, which is connected to the storage container 9.
- the filter 8 contains a filter closure with a lock cylinder 15. Inside the filter 8 there is an inner cavity 16, above which the filter body 17 is arranged, the outer cavity 18 is located between the filter body 17 and the housing. A supply of a water-air mixture 14 is assigned to the filter 8.
- the pressure thickener-air mixture 11 is immediately after the damper 1 with a suction bar 3, with a suction gap across the entire width of goods with horizontal to almost vertical Goods management from the printed goods side down - Fig. 1, reference numeral 3 - suctioned, the reuse rate of the pressure thickener increases the viscosity not affected by dilution and economy the process due to the reduced gap width, the lower energy requirements of the vacuum pump and improved Cleaning performance increased, the guide rollers 2 and 2a a smooth and even flow of goods 5 over secure the suction bar 3.
- the squeegee 3 prevails Pressure from 0.5 to 0.85 bar, the one not shown here Vacuum pump is generated. Are pressures against 0.85 bar is used, the reuse rate is reduced, is the pressure thickener-air mixture 11 hotter, less contaminated and reached a higher throughput through the filter 8.
- the pressure thickener-air mixture passes through a short pipe system 11 to the separator 6, the keeping it small in size is unnecessary Avoid cooling and is largely in here Pressure thickener and air separated. Against the im Separate prevailing negative pressure becomes the pressure thickener 10 pumped in an intermediate container 9a, the again from the above Reasons should be small.
- the viscosity of the contaminated pressure thickener 10 is equal to or higher than due to water evaporation that of the printing paste.
- the contaminated pressure thickener 10 becomes maximum hot over the pump 7, which has a defined pressure builds up in front of the filter 8, the outer cavity 18 of the Filters 8 fed and passes through the filter body 17, of the pressure thickener 10 of all fibrous materials and removes impurities in the range of 20 - 100 ⁇ m into the inner cavity 16. Then it is like this recycled pressure thickener 10a into the reservoir 9 headed. There is the recycled pressure thickener 10a examined for the property level. There are viscosity, the content of dyes, acid donors and preservatives. For the determination the dye content and the acid donor were special procedures, as described in the further text, developed. The viscosity was determined as usual, the preservative was removed using Gas chromatography determined.
- a prerequisite is that the composition of the printing paste so that the pressure thickener a targeted selection of dyes, the acid donor and in In exceptional cases the necessary preservative and paired with the right amount of printing paste and optimized steaming conditions, such as time, temperature, Moisture, maximum absorption of the dye the textile substrate takes place. It should be in medium and dark color areas almost 100% dye fixed become. This is not important for light colors.
- a tufted carpet made of a polypropylene fleece in the base and made of 100% polyamide in the wear layer with a mass per unit area of approx. 1000 g / m 2 is sprayed with print paste according to the sample.
- 3000 g / m 2 of printing paste consisting of a printing thickener based on polyacrylate, 3 acid dyes with a total dye content of 1 g dye / kg printing paste and 10 g citric acid and 0.1 g preservative / kg printing paste, with a viscosity of 0.30 Pa s, applied. Electrolytes are not added to correct the viscosity.
- the number of color tones printed is 5.
- the degree of coverage is 100%.
- the carpet printed in this way is damped in the damper 1 as usual and reaches the suction bar 3 via the guide roller 2.
- 2500 g / m 2 of pressure thickener 10 are removed from the carpet on the suction bar 3 with a negative pressure of 0.8 bar. by vacuuming the printed product side gently from below.
- the carpet is thus fed to the washing installation 4, on which only 500 g / m 2 of printing paste has to be washed out instead of 3000 g / m 2 .
- the 2500 g / m 2 contaminated pressure thickener, together with the air flow guided by the suction beam 3, enters the separator 6 as a pressure thickener-air mixture 11 and is separated from the air flow here.
- the air flow is forcibly discharged via a vacuum pump, not shown.
- the contaminated pressure thickener 10 is then fed from the separator 6 by means of the pump 7 to the unpressurized intermediate container 9a against the negative pressure prevailing in the separator 6. From there, the contaminated pressure thickener 10, which has the same or a slightly higher viscosity than the original printing paste, reaches the filter 8 by means of a pump 7a, which builds up a defined pressure upstream of the filter 8, which initially has a filter capacity of 20 kg / min and just before filter cleaning with a filter output of 10 kg / min.
- the filter fineness is 20-100 ⁇ m.
- the medium to be filtered is pressed through approximately 10 mm wide and approximately 1 mm thick disks, which are arranged one above the other, have a circular inner cavity and have radially slightly tangentially inclined openings, the diameter of the openings of the filter body 17 being inward rejuvenate.
- the pressure before and after the filter 8 is measured and the differential pressure is determined.
- the existing impurities, primarily fiber residues of the textile substrate, are deposited in the outer cavity 18 in front of the filter body 17 and cause the differential pressure to increase and the filter performance to decrease. For economic reasons, up to a filter output of 50% of the output power is proposed.
- the rinsing process of the filter 8 is automatically initiated by the increased differential pressure, ie the supply of pressure thickener 10 is closed, a water-air mixture 14 is pressed in countercurrent, at the same time the filter body 17 is relieved and the water-air mixture 14 flows through the isolated ones Filter body 17, the rinsing water and the contaminants leave the filter 8 as backwashing liquor 13, the filter body 17 is closed and the pressure thickener 10 continues to flow through the filter 8 cleaned in this way.
- at least two or more filters 8 are provided next to one another in order to avoid the continuously occurring to pump contaminated pressure thickener 10 through the filter 8 in the maximum hot state. If the intermediate container 9a is empty, the pump 7a switches off. The pump 7a is switched on again even at a low fill level.
- the fineness of the filter body 17 depends on the Fineness of fibers of the textile base material used and the required high purity of the printing paste. As the filter fineness increases, the filter quantity decreases and in addition the time intervals decrease for backwashing. The filter fineness is generally between 20 ⁇ m to 100 ⁇ m. If the filter body 17 If you choose too fine, the filter performance will drop disproportionately. The use of even coarser filter body 17 lead when reusing the recycled pressure thickener 10 on misprints. This makes recycled pressure thickener 10a obtained that is free of textile fibers is. The temperature of the contaminated pressure thickener 10 is 40 ° C. After filtering the recycled pressure thickener 10a to the reservoir 9 and is there by means of conventional agitators homogenized.
- the dye content There are the dye content, the viscosity and determined the content of acid donors.
- the color is based on a comparison standard based on remission measurements determined.
- the viscosity is based on the principle determined the shear force measurement and the content of acid donors takes place via pH value measurement and by an indirect method, that uses dye affinity as a measure of value.
- the dye content should be at a maximum of 1 mg dye / kg recycled pressure thickener.
- the viscosity of the pressure thickener recyclate is one Temperature of 30 ° C about 0.35 Pa s.
- the citric acid content is 5 g / kg.
- the printing paste is free of preservatives.
- the recycled pressure thickener 10a are used to restore the initial concentration of a usual stock thickening a reduced amount of 5 g / kg Citric acid, 0.1 g / kg preservative and a concentrated Stock thickening added. Then it becomes together with the amount of dye dissolved in water new printing pastes and the viscosity using water set to about 0.30 Pa s.
- the transport of the recycled pressure thickener 10a and pressure thickener-air mixture 11 is done by rigid or flexible Pipelines, the reservoir 9 is large and can also consist of several containers.
- the dwell time in these containers, the transport for printing paste production through pipelines, their necessary concentration and dilution by adding new ones Dyes and other auxiliaries cool the color pastes to room temperature, so cooling is not necessary is.
- the printing process can then begin again. With that reuse of the pressure thickener 10 and saving water for the treatment of the pressure thickener 10 of over 80% and a saving of Citric acid reached 40%. This has a significant impact Cost reduction. They are also reused Products no longer relevant to the environment.
- the arrangement of the suction bar 3 between the guide rollers 2 and 2 a under the web 5 has the advantage that the selectable vacuum in the squeegee 3 a targeted Control of the reuse rate, the amount of contaminants and the temperature of the pressure thickener 10 can be done and high uniformity when removing the pressure thickener over the entire web 5 is achieved compared to the known Arrangement of the suction from above, which corresponds to the physical laws across the entire width of the goods in each case from the middle of the suction gap thickener sucks and then on both edges of the suction gap over the entire width of the goods with uncontrolled Pressure thickener moistened. This is reinforced due to the wide suction gap.
- This method and the device for carrying it out The process is also used for other textile printing processes used.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Dem Filter 8 ist eine Zuführung eines Wasser-Luftgemisches 14 zugeordnet.
- Der Anteil an Farbstoff wird mindestens zu 99 % auf der textilen Warenbahn festgehalten. Der Restfarbstoff im verunreinigten Druckverdickungsmittel ist ausreichend genau photometrisch bestimmbar. Dafür wurde das bekannte Prüfverfahren für Absorptionsmessung modifiziert und die Remission bei einer festgelegten Schichtdicke gemessen. Dabei wird das recyclierte Druckverdickungsmittel 10 a in eine Küvette festgelegter, konstanter Größe gefüllt und mit einem Spektralphotometer bei den Wellenlängen von 380 mm bis 700 mm die Remission bestimmt. Die Kurven werden mit in Eichkurven verglichen und es werden so für den Farbstoffgehalt im recyclierten Druckverdickungsmittel 10 ausrreichend genaue Ergebnisse ermittelt.
- Die Konzentration der Druckpaste, gemessen auf der Basis der Viskosität, verändert sich. Diese ist durch eine Wasserverdunstung während des Druckprozesses, durch die Vakuumextraktion und durch den weiteren Aufschluß des Druckverdickungsmittels durch die Prozesse Drucken und Druckverdickungsmittelrecycling begründet. Die Qualität der Druckverdickung wird durch das Druckverdickungsmittelrecycling positiv beeinflußt. Im allgemeinen ist mit einer Erhöhung der Viskosität gegenüber der Druckpaste zu rechnen. Das ist insofern vorteilhaft, da es dadurch möglich wird, durch geringen Zusatz an originaler Druckverdickung oder einer konzentrierten Stammverdickung eine neue Stammverdickung zu erzeugen, die in ihrer Viskosität der Originalstammverdickung entspricht und eine deutlich höhere Viskosität hat als die Druckpasten.
- Die eingesetzten Säurespender zur Unterstützung der Farbstoffixierung sind teilweise verbraucht. Es wirken im wesentlichen die Farbstoffixierung selbst, die Alkalität des Dampfes und mögliche Sublimationen. Dabei werden z. B. bei Einsatz von Citronensäure maximal 70 % verbraucht, das heißt, das gleichzeitig mindestens 30 % des Säurespenders zurückgewonnen werden. Die übliche Messsung des pH-Wertes zur Bestimmung des Gehaltes an Säurespender reicht im allgemeinen nicht aus. Deshalb wurde das Prüfverfahren entwickelt, das die unterschiedliche Affinität des Farbstoffes im Beisein des Säurespenders zur Bestimmung des Gehaltes an Säurespender ausnutzt. Diese Methode sichert eine exakte Einhaltung der erforderlichen Konzentration an Säurespender in der recyclierten Druckpaste und eine problemlose Arbeitsweise über viele Zyklen der Wiederaufbereitung. Dabei wird unter Laborbedingungen mit dem recyclierten Druckverdickungsmittel 10 a eine Druckpaste aus den Farbstoffen gelb, rot, blau hergestellt und diese wie üblich abgedruckt. Die dabei entstehende Farbänderung zum Abdruck mit Originaldruckpaste wird farbmetrisch bestimmt. Auf Grund einer erarbeiteten Eichreihe ist die Farbtiefenabweichung dann Maßstab für den Nachsatz an Säurespender.
- Macht sich der Einsatz an Konservierungsstoffen erforderlich, dann sind solche zu wählen, die während des Dämpfens zu nahezu 100 % sublimieren. Diese müssen dann dem recyclierten Druckverdickungsmittel in voller Höhe wieder zugesetzt werden.
- 1
- Dämpfer
- 2, 2a
- Leitwalzen
- 3
- Saugbalken
- 4
- Waschanlage
- 5
- Warenlauf
- 6
- Separator
- 7
- Pumpe
- 7a
- Pumpe
- 8
- Filter
- 9
- Vorratsbehälter
- 9a
- Zwischenbehälter
- 10
- Druckverdickungsmittel
- 10a
- recycliertes Druckverdickungsmittel
- 11
- Druckverdickungsmittel-Luftgemisch
- 12
- Luftaustritt
- 13
- Rückspülflotte
- 14
- Wasser-Luftgemisch
- 15
- Filterabschluß mit Schließzylinder
- 16
- innerer Hohlraum
- 17
- Filterkörper
- 18
- äußerer Hohlraum
Claims (2)
- Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen, bei dem die Druckpaste auf einer Warenbahn aufgedruckt wird, die Warenbahn einen Dämpfer passiert und anschließend vor dem Waschprozeß die Druckverdickungsmittelreste von der Warenbahn entfernt und diese wieder dem Druckprozeß zugeführt werden, dadurch gekennzeichnet, dassdas verunreinigte Druckverdickungsmittel-Luftgemisch (11) von der bedruckten Warenseite durch den Saugbalken (3) mit einem Druck von 0,5 bis 0,85 bar nach unten abgesaugt wird, wobei die bedruckte Warenseite horizontal bis nahezu vertikal mit Hilfe der Leitwalzen (2 und 2a) über den Saugbalken (3) geführt wird,das Druckverdickdungsmittel-Luftgemisch (11) durch eine starre oder flexible Rohrleitung geringer Länge dem Separator (6), der mindestens den 3-fachen Durchmesser der Rohrleitung besitzt, zugeführt wird, wobei es hier von der mitgeführten Luft getrennt wird,gegen den Unterdruck des Separators (6) das verunreinigte Druckverdickdungsmittel (10) durch eine Pumpe (7) über eine starre oder flexible Rohrleitung in einen Zwischenbehälter (9a) gelangt,durch eine Pumpe (7a) ein definierter Druck vor dem Filter (8) aufgebaut wird und das Druckverdickungsmittel (10) im heißen Zustand auf kurzem Weg zum Filter (8) gelangt und dort alle den Druckprozeß störende Faserreste und sonstigen Verunreinigungen im Druckverdickungsmittel (10) von der bedruckten Warenbahn durch die Filterfeinheit des Filterkörpers (17), die im Bereich von 20 µm bis 100 µm angewendet wird, zurückgehalten werden und nach der Reduzierung der Filterleistung auf bis zu 50 % automatisch die Reinigung des Filters (17) erfolgt,das so gereinigte recyclierte Druckverdickungsmittel (10a) über lange Rohrleitungswege in einen Vorratsbehälter (9) eingebracht, mittels Rührwerk homogenisiert und die Parameter Viskosität, mittels Scherkraft, Farbigkeit, mittels des dafür entwickelten Verfahrens zur Bestimmung der Remission, Gehalt an Säurespender, mittels des dafür entwickelten Verfahrens, welches die Farbstoffaffinität ausnutzt und einen gleichen Druckausfall als Wertmaßstab beinhaltet und Gehalt an Konservierungsmittel, wobei diese abwesend sind, bestimmt werden und zur Wiederherstellung der Ausgangskonzentration die erforderliche Menge an Druckverdickung, Säurespender, Konservierungsmittel und Farbstoff zugesetzt und mittels Rührwerk homogenisiert wird, und Druckpasten gleichen Eigenschaftsniveaus wie die Originaldruckpasten erhalten werden,nur solche recyclierten Druckpasten der Wiederverwendung zugeführt werden, die maximal 5 mg/kg Farbstoff beinhalten für das anschließende Bedrucken dunkler Farbtöne und die unter 1 mg/kg Farbstoff enthalten für das Bedrucken aller Farbtöne,der gesamte Prozeß des Druckverdickungsmittelrecyclings bis zum Füllen des Vorratsbehälters (9) kontinuierlich verläuft, wobei die Pumpe (7a) sich automatisch abstellt, wenn der Zwischenbehälter (9a) leer ist,durch gezielte Änderung des Drucks im Saugbalken (3) die Konzentration des Druckverdickungsmittels im Recyclingprozeß, die Temperatur des Druckverdickungsmittels und deren Wiederverwendungsquote direkt beeinflußbar sind.
- Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 mit einer Auftragseinrichtung mittels dieser die sich vorwärtsbewegende Warenbahn mustergemäß mit Druckpaste versehen wird, mit einem nachgeschalteten Dämpfer, dem eine Einrichtung für die Entfernung der Druckverdickungsmittel mit Auffangbehälter und Reinigungsvorrichtung nachgeordnet ist, die sich vor der Waschanlage befindet und die Druckverdickungsmittel nicht mit Wasser verdünnt und anschließend zurückgewonnen werden, dadurch gekennzeichnet, dassdie Vorrichtung aus einem Dämpfer (1), dem vor der Waschanlage (4) die Leitwalzen (2 und 2a) nachgeordnet sind und zwischen diesen sich ein Saugbalken (3) befindet, an dessen Spalt die bedruckte Warenseite berührend aufliegt,nachfolgend diesem Saugbalken (3) durch eine kurze starre oder flexible Rohrleitung ein Separator (6) nachgeordnet ist, der in seinem Oberteil eine Luftaustrittsöffnung (12) aufweist, das Unterteil als Sammelbehälter des Druckverdickungsmittels (10) ausgebildet ist und über Rohrleitungen eine Pumpe (7) ein kleiner Zwischenbehälter (9 a), eine Pumpe (7a) mit dem Filter (8) in Verbindung steht und sich ein Vorratsbehälter (9) anschließt,der Filter (8) mit dem Vorratsbehälter (9) verbunden ist.dieser Filter (8) seitlich im vorderen unteren Teil eine Austrittsöffnung für die Rückspülflotte (13) aufweist,der Filter (8) oben einen Filterabschluß mit Schließzylinder (15) besitzt und aus einem inneren Hohlraum (16) und einem äußeren Hohlraum (18), in dem sich der Filterkörper (17) befindet, besteht,zwischen dem Filter (8) und dem Vorratsbehälter (9) eine Eintrittsöffnung für das Wasser-Luftgemisch (14) angeordnet ist.der Vorratsbehälter (9) aus mehreren Behältern bestehen kann und diese alle über ein Rührwerk und eine Möglichkeit zur Entnahme von recyclierten Druckverdickungsmittel (10 a) und zur Zugabe von Substanzen, sowie einen Ablauf verfügen.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2003/02067T TR200302067T4 (tr) | 2001-08-22 | 2001-08-22 | Tekstilden mal şeritlerinin basımında baskı kalınlaştırma maddesinin geri dönüştürülmesine yönelik yöntem |
DE50100925T DE50100925D1 (de) | 2001-08-22 | 2001-08-22 | Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen |
EP01120110A EP1288365B1 (de) | 2001-08-22 | 2001-08-22 | Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen |
DK01120110T DK1288365T3 (da) | 2001-08-22 | 2001-08-22 | Fremgangsmåde til genbrug af trykkefortykningsmiddel ved trykning på tekstilmaterialebaner |
AT01120110T ATE253656T1 (de) | 2001-08-22 | 2001-08-22 | Verfahren zum druckverdickungsmittelrecycling beim bedrucken von textilen warenbahnen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01120110A EP1288365B1 (de) | 2001-08-22 | 2001-08-22 | Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1288365A1 EP1288365A1 (de) | 2003-03-05 |
EP1288365B1 true EP1288365B1 (de) | 2003-11-05 |
Family
ID=8178385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01120110A Expired - Lifetime EP1288365B1 (de) | 2001-08-22 | 2001-08-22 | Verfahren zum Druckverdickungsmittelrecycling beim Bedrucken von textilen Warenbahnen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1288365B1 (de) |
AT (1) | ATE253656T1 (de) |
DE (1) | DE50100925D1 (de) |
DK (1) | DK1288365T3 (de) |
TR (1) | TR200302067T4 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110964188B (zh) * | 2019-11-25 | 2022-10-28 | 浙江佳人新材料有限公司 | 一种循环再生阳离子切片的生产方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418433A (en) * | 1981-08-07 | 1983-12-06 | Diamond Carpet Mills, Incorporated | Method and system for reclaiming and recycling gum and water in a carpet dyeing process |
DE19503520C1 (de) * | 1995-02-03 | 1996-04-25 | Kuesters Eduard Maschf | Verfahren zum Bemustern einer textilen Warenbahn und Anlage zur Durchführung des Verfahrens |
-
2001
- 2001-08-22 TR TR2003/02067T patent/TR200302067T4/xx unknown
- 2001-08-22 DE DE50100925T patent/DE50100925D1/de not_active Expired - Fee Related
- 2001-08-22 DK DK01120110T patent/DK1288365T3/da active
- 2001-08-22 AT AT01120110T patent/ATE253656T1/de not_active IP Right Cessation
- 2001-08-22 EP EP01120110A patent/EP1288365B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50100925D1 (de) | 2003-12-11 |
ATE253656T1 (de) | 2003-11-15 |
DK1288365T3 (da) | 2004-03-15 |
EP1288365A1 (de) | 2003-03-05 |
TR200302067T4 (tr) | 2004-02-23 |
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