Method for dying of fibrous materials and device for its realisation

FIELD: textile industry.

SUBSTANCE: in device reservoir is divided into the first chamber and the second chamber of equal volumes by electroconductive and grounded membrane; anode is inserted into the first chamber, and cathode is inserted into the second chamber, while anode is located from membrane at the distance of 5-20 more than cathode. The following components are added into water of the first chamber (g/l): salts of sulfuric acid 5-30, dye 30-50, powder of aluminium silicates 5-20 vol. %, producing a dispersion mixture (DM). Fibrous materials are charged into the first chamber; DC voltage is applied to cathode and anode to create intensity of electric field with value of 50-200 V/m; besides potential applied to cathode is 5-20 times less than potential applied to anode. Fibrous materials are soaked at the temperature of 100C for 0.3-0.6 hr; DM is mixed in the first chamber. Water is mixed in the second chamber. Fibrous materials are washed, discharged from the first chamber, squeezed.

EFFECT: reduced dimensions of device, lower production costs.

2 cl, 1 dwg

 

The group of inventions relates to a method of dyeing fibrous materials and devices for their implementation in the textile industry.

Known methods of dyeing fibrous materials of various dyes: soluble in water (direct, acid, chrome, metal-complex acid, cationic, active)insoluble in water (kovovymi, sulfur, disperse, disperse active, dyes, azoic, azhinovym, soluble derivatives of insoluble dyes (kubotani, allanime), a mixture of dyes for fibers [see Balashov SO, Bulusheva N.E. and other Short course of chemical technology of fibrous materials. - M: Light and food industries, 1984. p.71-75].

The known method is similar to the dyeing of fibrous materials, including pre-treatment of water supplied to the coating, the magnetic field [see Davidson M.I. electromagnetic treatment of water systems in the textile industry. - M.: Legprombytizdat, 1988, p.87-89]. This technique gives good results in the application of the most common dyeing fibrous materials of acid and metal-complex acid dyes. The method includes magiceye water flowing through the dielectric pipe into the tank for dyeing, the introduction into the water of dye in the amount of 30-50 g/l of concentrated behold the Noah acid 2-10% by weight of the fiber, download fibrous material in a container, the impregnation of the fibrous material with an aqueous solution of sulfuric acid and dye, heating the aqueous solution by the heater to the boiling point, the exposure of the fibrous material at the temperature of boiling in an acid aqueous solution of the dye within 1-1 .5 hours for the circulation of water and fibrous material a method of machine washing.

The disadvantages of the known methods analogues are insufficient efficiency, durability, high cost of the dyeing process, high degree of risk due to the maintenance of the existing system of the device for implementing the method and device storage, pipelines, valves for concentrated sulfuric acid.

There is apparatus for carrying out dyeing of fibrous materials, comprising a container, a heater in the tank, a metering device for introducing into the water capacity of a certain percentage of acid or alkali, a device for mixing solution of acid or alkali in the vessel, a device for loading and unloading of containers of fibrous materials, dewatering of fibrous materials adaptation [see Balashov SO, Bulusheva N.E. and other Short course of chemical technology of fibrous materials. - M: Light and food industries, 1984. p.71-75]. A device-similar to what rasenia fibrous materials [see Davidson M.I. electromagnetic treatment of water systems in the textile industry. - M.: Legprombytizdat, 1988, p.87-89], including the capacity for dyeing, dielectric pipeline to summarize in a container of water, the magnet covering their lines of force of dielectric tubing in deciding the capacity of the water heater a water solution of acid or alkali in the vessel, a metering device for introducing into the container of dye powder, a metering device for introducing into the container an acid or alkali, a water circulation device and fibrous material in the vessel by way of machine washing.

The disadvantages of devices-analogues are insufficient efficiency, durability, high cost of the dyeing process on these devices, the complexity, high cost of equipment for implementing the method, a very high degree of risk due to the need to service existing systems, devices, storage of concentrated sulfuric acid, pipelines, valves for loading into the container.

The closest technical solution to the same destination to the claimed method according to the essential features and the maximum achievable effect and therefore the selected prototype to the present technical solution is "a Method of dyeing fibrous materials" [see patent RU 2300587 C1, 03.11.2005], the conclusion is audica is that capacity is divided into first and second chamber aperture; enter into the first chamber anode, a second cathode chamber; a dispenser in water first chamber is injected (g/l): salt of sulfuric acid 5-30; dye 30-50, powder aluminosilicates 5-20 vol.%, receiving the dispersion mixture (DC); load in the first chamber fibrous materials; serves on the cathode and the anode of the DC voltage value 5-220; fibrous material is maintained at a temperature of 100C for 0.3 to 0.6 hours under stirring DS, washed with cold water, discharged from the first chamber, wring out.

The disadvantage of the prototype method is its high cost.

The closest technical solution of the same purposes of the claimed device according to the essential features and the maximum achievable positive effect and is therefore adopted for the prototype is a device for implementing the method of dyeing fibrous materials [see patent RU 2300587 C1, 03.11.2005], including the capacity; the first and the second chamber in the vessel; a diaphragm between the chambers; the anode in the first chamber, a cathode in the second chamber; a dispenser for introduction into the water of the first chamber of salts of sulfuric acid, dye, powder silicates, obtain a dispersion of the mixture (DS); a device for loading and unloading from the first chamber fibrous materials; fixture - mixer LT; dewatering fibers is made of the materials of the device.

A disadvantage of the known device of the prototype is its complexity, bulkiness, high cost of the device.

A single effect of a group of inventions is a size reduction of the device cost production costs.

Specified single technical result in the exercise of invention the object of the method is achieved in that the container is divided into first and second chambers of equal volumes of conductive and grounded aperture; enter the first cell, the anode, the second chamber is a cathode when the anode diaphragm 5 to 20 times further than the cathode; in the water of the first cell type (g/l): salt of sulfuric acid 5-30, dye 30-50, powder aluminosilicates 5-20 vol.%, receiving the dispersion mixture (DC); load in the first chamber fibrous materials; serves on the cathode and the anode of the DC voltage that creates the electric field magnitude 50-200 V/m; moreover, the cathode serves potential for module in 5-20 times smaller than the anode; withstand fibrous material at a temperature of 100C for 0.3 to 0.6 hours; stir DS in the first chamber; mixing water in the second chamber; fibrous material is washed, unloaded from the first chamber, wring out.

Specified single technical result in the exercise of invention the object of the device is achieved that includes E. the bone; the first chamber and the second chamber is equal to the volume in the tank; an electrically conductive and grounded aperture between the chambers; the anode in the first chamber, a cathode in the second chamber when the location of the anode diaphragm 5 to 20 times further than the cathode; a dispenser for introduction into the water of the first chamber of salts of sulfuric acid, dye, powder aluminosilicates; a device for loading and unloading from the first chamber fibrous materials; adjusting the mixer in the first chamber; adjusting the mixer in the second chamber; the dewatering of fibrous materials fixture.

The invention is illustrated in the drawing.

The device for implementing the method of dyeing fibrous materials includes a container 1; the first camera 2 and the second camera 3 equal volumes in the container 1; an electrically conductive and grounded aperture 4 between the first camera 2 and the second camera 3; cathode 5 in the second chamber 3 and the anode 6 in the first chamber 2 at the location of the anode 6 of the diaphragm 4 is 5 to 20 times further than the cathode 5, accordingly, in the cross section perpendicular to the cathode 5 and the anode 6 and the diaphragm 4, the second camera 3 in 5-20 times longer than the first chamber 2; a metering device 7 for introducing in the water the first chamber 2 salts of sulfuric acid, dye, powder silicates; adjusting the mixer 8 in the first chamber 2, the device-mixer 9 in the second chamber 3; the device 10 DL the boot in the first chamber 2, unloading from her fibrous materials; the dewatering of the fibrous materials of the device 11.

Specified in the formula limits the values of the processing parameters selected for the following reasons. Salts of sulfuric acid in the range of 5-30 g/l is necessary and enough of them formed in the anode chamber a quantity of concentrated sulfuric acid 2-10% by weight of the fiber, this amount of acid is sufficient to produce the dyeing process; the minimum quantity of powder aluminosilicates 5% vol. enough for dyeing at the maximum voltage on the cathode and the anode, creating an electric field strength value of 200 V/m at a minimum concentration of sulfuric acid 2% (5 g/l salt of sulfuric acid), the minimum time of exposure of the fibrous materials in the acid solution for 10 min; the maximum number of powder aluminosilicates 20% vol. enough for dyeing with a minimum voltage on the cathode and the anode, creating an electric field strength value of 50 V/m, the maximum exposure time of the fibrous material in the chamber with the anode 25 minutes the Amount of dye is selected depending on the choice of colour.

Example 1. The container body and lid 1 plastic wall thickness of 0.015 m in the form of a parallelepiped internal dimensions: height of 1.5 m, cross-section in plan of 1.72.6 m2the section is Aut on the first camera 2 and the second camera 3, setting within a larger cross-section of the second chamber 3 to the first chamber 2 of the plastic wall thickness 0.015 m in the form of a cube with edges of size 1.5 m, one side of which is made so that has through holes with a diameter of 0.005 m with a step of 0.01 m, covered grounded graphite cloth and so is the divider between cells with properties of fine filter water - aperture 4; aperture 4 kasemset; in the first chamber 2 near the wall opposite the wall with the hole, introducing a flat graphite electrode is the anode 6, and the first camera 2 is designed to withstand fibrous material in an aqueous solution of sulfuric acid and dye; the second chamber 3 against the wall of the chamber 2 through the holes injected second flat graphite electrode is the cathode 5, thus creating a two-chamber design of a diaphragm electrolytic cell, the electrodes of which is spaced from the aperture at different distances, namely: in the first chamber 2, the anode 6 is a diaphragm 15 times farther than the cathode 5 in the second chamber 3, accordingly, in the cross section perpendicular to the cathode 5 and the anode 6 and the diaphragm 4, the first camera 2 to 15 times longer than the second camera 3, with equal total amounts of both cameras (3,375 m3), and the cathode 5 is arranged to feed it voltage pic is wannago current 15 times smaller in size, than the anode 6; in the water of the first chamber 2 enter the dispenser 7 copper sulphate in the amount of 33,75 kg (~10 g/l), equal volumes of a mixture of powders of aluminium silicates of the montmorillonite and talc in their total number and 50.6 kg (~15 g/l); introducing water dye in the amount of 40 g/l; served on the anode 6 potential value of +100 V to the cathode 5-10, when this electric potential difference is 110, generates an electric field with a magnitude of tension ~70/m, thus on the cathode 5 offers the potential modulo 10 times smaller than the anode 6; load device 10 of fibrous material into the first chamber; withstand fibrous materials for 0.4 hours under stirring device 8 analog mixer water in the washing machine - dispersive powder mix of silicates and aqueous solution of sulfuric acid concentration of 10%derived from salts of sulfuric acid under the action of an electric field, while the mixed water in the second chamber device 9 - water pump submersible type "kid" with a hose, length 2.5 m; fibrous material is washed with cold water, discharged from the first the camera device 10, the press device 11.

This group of technical proposals can reduce production costs twice reduced compared with the method of the prototype costs electroe is ergie on the dyeing process, be reduced by the introduction of the camera with the anode in a cell with cathode dimensions of the device for dyeing fibrous materials.

Thus, the presented data demonstrate the implementation of the use of the claimed invention the following cumulative conditions:

the tool embodying the claimed group of inventions in their implementation, is intended for dyeing fibrous materials in the textile industry;

for the inventive method, it is described in the independent clause sets out the claims, confirmed the possibility of its implementation using the steps described in the application or known before the priority date tools and methods.

Therefore, the claimed invention meets the condition of "industrial applicability".

1. Method of dyeing fibrous materials, which consists in the fact that the capacity is divided into first and second chambers by a diaphragm; enter the first cell, the anode, the second chamber, the cathode; in the water of the first cell type (g/l): salt of sulfuric acid 5-30, dye 30-50, powder aluminosilicates 5-20 vol.%; loaded into the first chamber fibrous materials; serves on the cathode and the anode of the DC voltage; withstand fibrous material at a temperature of 100C for 0,3-0,6 h with stirring, the dispersion mixture; mix the water in the second chamber; fiber is the material washed, discharged from the first chamber, the press, characterized in that the container is divided into first and second chambers of equal volumes of conductive and grounded aperture; the anode include a diaphragm 5 to 20 times farther than the cathode; served on the cathode and the anode of the DC voltage that creates the electric field magnitude 50-200 V/m at the cathode serves potential for module 5 to 20 times less than at the anode.

2. The device for implementing the method of dyeing fibrous materials, comprising a container; the first chamber, the second chamber in the vessel; an anode in the first chamber, a cathode in the second chamber; a diaphragm between the first and second chambers; a dispenser for introduction into the water of the first chamber of salts of sulfuric acid, dye, powder aluminosilicates; a device for loading and unloading from the first chamber fibrous materials; adjusting the mixer in the first chamber; the dewatering of the fibrous materials of the device, characterized in that the two cameras in containers of equal volume; aperture electrically conductive and grounded; the anode is located on the diaphragm 5 to 20 times farther than the cathode; additionally has a device-mixer in the second chamber.



 

Same patents:

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1 cl, 1 tbl, 6 ex

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1 cl, 2 tbl, 13 ex

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1 tbl, 3 ex

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2 cl, 1 dwg

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3 cl, 1 dwg

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3 cl, 1 dwg

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2 cl, 1 dwg

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6 cl, 5 dwg

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1 tbl, 3 ex

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