Method for boiling of cotton fabrics 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 grounded electroconductive membrane; cathode is inserted into the first chamber, and anode is inserted into the second chamber, while cathode is located from membrane at the distance of 5-20 more than anode; the following components are added into water of the first chamber (g/l): sodium silicate 3-5, sodium bisulphate 2-3, surfactant 1-2, table salt 30-60, powder of aluminium silicates 5-100; cotton fabrics are loaded into the first chamber; DC voltage is sent to cathode and anode to develop intensity of electric field of 50-200 V/m; besides potential sent to anode is 5-20 times less by module than the one sent to cathode; fabrics are impregnated with boiling solution for 1-5 hours; dispersed mixture is mixed in the first chamber, and water is mixed in the second one; fabrics are discharged, squeezed and steamed in steaming boiling device.

EFFECT: reduced dimensions of device, lower production costs.

2 cl, 1 dwg

 

The group of inventions relates to a method of otwarcie cotton fabrics and devices for their implementation in preparation for the dyeing of cotton fabrics in the textile industry.

Known methods of otwarcie under pressure (swelling) of cotton fabrics pre-impregnated and extract them in an alkaline cooking solutions, degumming with sodium hydroxide (8-18 g/l caustic soda dry or sodium hydroxide solution, the specific gravity of 1.01-1,02 g/cm3under the pressure of 1.5-3 ATM, at a temperature of 110-130C [see Bernard Century Practice of bleaching and dyeing of textile materials. - M.: "Light industry", 1971, s-152]. There is a way to otwarte cotton fabrics, including impregnation of the tissues in the vessel brewhouse with a solution containing (g/l) caustic soda 20-30, sodium silicate 3-5, sodium bisulfate 2-3, hall 1-2, tissue extraction, evaporation in suparna cooking apparatus [see Balashov SO, Bulusheva N.E. and others "Rate of chemical technology of fibrous materials". - M: Light and food industry, 1984, - p.29-33].

The disadvantage of this way of analog is the lack of efficiency of the process, a great time operations, the high cost of the production process, high degree of risk due to the use of caustic soda, elevated pressures and elevated temperatures otwarcie.

The known device to undertake the surveillance method otwarte cotton fabrics, which include reservoir; a dispenser for introducing into the water capacity of sodium silicate, sodium bisulfate, surfactant; a device for loading and unloading of containers of cotton fabrics; the dewatering fabric device; Zapadnoi cooker.

A disadvantage of the known devices analogues is their low productivity.

The closest technical solution to the same destination to the claimed method according to the essential features and the maximum achievable positive effect and is therefore adopted for the prototype is the way otwarte cotton fabrics [see patent RU 2294992, 03/11/2005], which is achieved by the fact that the capacity is divided into the first chamber and the second chamber aperture; the first cell, enter the cathode, the second anode chamber and injected; into the water of the first cell type (g/l): sodium silicate 3-5, sodium bisulfate 2-3, hall 1-2, table salt 30-60; through the second chamber pass running water; served on the cathode and the anode voltage of 5-35 B; load the cotton fabric into the first chamber; impregnate fabrics cooking solution for 1-5 hours; tissue from the first chamber is discharged, wring out, zaparivajut in suparna cooking apparatus.

The disadvantage of the prototype method is its high cost.

The closest technical solution of the same purpose to declare what to prepare for essential features and the maximum achievable effect and therefore adopted for the prototype is a device for implementing the method of otwarcie cotton fabrics [see patent RU 2294992 03/11/2005], which includes the capacity; the first chamber and the second chamber in the vessel; the aperture between the first and second chambers; a cathode in the first chamber, the anode of the second chamber; a dispenser for introduction into the water of the first chamber of sodium silicate, sodium bisulfate, surfactant, salt; a device for loading and unloading from the first chamber of cotton fabrics; the dewatering fabric device; Zapadnoi cooker.

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 reduction of production costs.

Specified single technical result in the exercise of invention the object of the method is achieved by the fact that the capacity is divided into the first chamber and the second chamber equal volumes grounded conductive diaphragm; the first cell, enter the cathode, the second chamber enter the anode so that the cathode is located on the diaphragm 5 to 20 times farther than the anode; in the water of the first cell type (g/l): sodium silicate 3-5, sodium bisulfate 2-3, hall 1-2, table salt 30-60, powder aluminosilicates 5-100; load the first cell of cotton cloth; served on the cathode and the anode voltage DC creates tension electric palavecino 50-200 V/m; moreover, the anode serves potential module in 5-20 times smaller than the cathode; impregnate fabrics cooking solution for 1-5 hours; mix dispersing the mixture in water in the first and second chambers; fabric unload, press, zaparivajut in suparna cooking apparatus.

Specified single technical result in the exercise of invention the object of the device is achieved that includes a container; a first camera and a second camera of equal volume in the tank; a grounded conductive diaphragm between the chambers; a cathode in the first chamber, the second anode chamber and the cathode is located on the diaphragm 5 to 20 times farther than the anode; a dispenser for introduction into the water of the first chamber of sodium silicate, sodium bisulfate, surfactant, salt; a dispenser for introducing into the first chamber of the powder aluminosilicates; adjusting the mixer in the first chamber; adjusting the mixer in the second chamber; adjusting the for loading and unloading from the first chamber of cotton fabrics; the dewatering cotton fabric device; Zapadnoi cooker.

The invention is illustrated in the drawing.

The device for implementing the method of otwarcie cotton fabrics includes a tank 1; the first camera 2 and the second camera 3 equal volumes in the container 1; an electrically conductive and grounded aperture between 4 cameras; the cathode 5 in p is pout to the camera 2 and the anode 6 in the second chamber 3, moreover, the cathode 5 is from the diaphragm 4 is 5 to 20 times farther than the anode 6; fixtures-faucets 7 and 8; the spout 9 for introduction into the water of the first chamber of sodium silicate, sodium bisulfate, surfactant, sodium chloride, 10 dispenser for insertion into the first chamber of the powder aluminosilicates; device 11 for loading and unloading from the first chamber of cotton fabrics; the dewatering cotton fabric device 12; Zapadnoi the cooking apparatus 13.

Specified in the formula limits the values of the processing parameters selected for the following reasons. The lower limit of the number loaded into the first chamber of salt 30 g/l and the upper limit on the amount of powder aluminosilicates 100 g/l is necessary and sufficient for impregnation of fabrics cooking solution fed to the anode and cathode of the constant voltage that creates the electric field strength value of 200 V/m when the impregnation of the tissues within one hour, the upper limit of 60 g/l of salt and the lower limit of aluminosilicates 5 g/l is necessary and sufficient for impregnation of fabrics cooking solution fed to the cathode and the anode voltage, which creates the electric field size 50/m impregnation tissues for 5 hours.

Example. Capacity 1, consisting of the housing and the lid of the plastic wall thickness of 0.015 m, in the form of a parallelepiped internal dimensions: height 1.5 m, the cross section is in the plan of 1.72.6 m 2divided into the first chamber 2 and the second camera 3, setting within a larger cross-sectional of the first camera 3 camera 2 from the compound wall thickness of 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 therefore which 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 - cathode 5; the second chamber 3 against the wall of the chamber 2 through the holes injected second flat graphite electrode - anode 6, thus creating a two-chamber design of a diaphragm electrolytic cell, the cathode 5 and the anode 6 which is spaced from the diaphragm 4 different distances, namely: in the first chamber 2, the cathode 5 is from the diaphragm 15 times farther than the anode 6, 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 anode 6 is arranged to feed him the DC voltage 15 times smaller than the cathode 5; in the water of the first chamber 2 dispenser whodat (g/l): sodium silicate 4, the bisulfate sodium 2,5, surfactants 1,5, salt 45; dispenser 10 is introduced into the first chamber 2 powder aluminosilicates: zeolite (50%), montmorillonite (50%), in a quantity of 50 g/l; served on the cathode 5 and the anode 6, the DC voltage value 256 B, which creates the electric field value 160/m; moreover, the cathode 5 offers the potential of -240 B, the anode serves 6 potential +16 B, modulo the anode serves 6 to 15 times lower potential than the cathode 5; load device 11 cotton fabric - satin - harness into the first chamber 2; impregnate the fabric of the cooking solution for 3 hours under stirring device 7 is an electric motor with a comb - dispersive powder mix aluminosilicates, aqueous solution introduced ingredients and caustic soda concentration of 20%, formed under the influence of an electric field of salt; mix device 8 - water pump submersible type "kid" with a hose length of one meter of water in the second chamber; unloading device 11 fabric from the first camera; press device 12 fabric to a moisture content of 105%; zaparivajut fabric in zapadnom the cooking apparatus 13 in an atmosphere of saturated water vapor at a temperature of 100C for 1 hour.

This group of technical proposals allows twice reduced compared with the method of protot the POM cost of electricity to process otwarte, to simplify, reduce, due to the introduction of the first chamber into the second chamber the size and cost of the device design to otwarte cotton fabrics.

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

the tool embodying the claimed group of inventions in their implementation, is intended to otwarte cotton fabrics in preparation for painting in the textile industry;

- for the claimed group of inventions, as they are described in the independent clauses set forth in the claims, confirmed the possibility of their implementation using the steps described in the application or known before the priority date tools and methods.

Therefore, the claimed group of inventions meets the condition of "industrial applicability".

1. How otwarte cotton fabrics, namely, that the capacity is divided into first and second chambers by a diaphragm; enter into the first chamber and a cathode, the second chamber anode; in the water of the first cell type (g/l): sodium silicate 3-5, sodium bisulfate 2-3, hall 1-2, table salt 30-60; download cotton fabric into the first chamber; served on the cathode and the anode of the DC voltage; impregnate fabrics cooking solution for 1-5 h; fabric unload, press zaparivajut in suparna cooking apparatus, characterized in that the container is divided into two chambers of equal volume conductive and grounded aperture; the cathode and the anode is introduced into the chamber so that the cathode is located on the diaphragm 5 to 20 times farther than the anode; served on the electrodes DC voltage that creates the electric field magnitude 50-200 V/m; on the anode serves potential for module in 5-20 times smaller than the cathode; in the first chamber to impose an additional powder binder in the amount of 5-100 g/l; mix dispersing the mixture in water in the first and second chambers.

2. The device for implementing the method of otwarcie cotton fabrics, including capacity; the first chamber and the second chamber in the vessel; the aperture between the first and second chambers; a cathode in the first chamber, the anode of the second chamber; a dispenser for introduction into the water of the first chamber of sodium silicate, sodium bisulfate, surfactant, salt; a device for loading and unloading from the first chamber of the tissue; the dewatering fabric device; Zapadnoi cooking apparatus, characterized in that the first and second chamber in the vessel have equal volumes; aperture electrically conductive and grounded; the cathode is located on the diaphragm 5 to 20 times farther than the anode; additional features include a dispenser for introduction into the water of the first chamber of the powder silicates, device mixer in the first chamber, the lighting is s-mixer in the second chamber.



 

Same patents:

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2 cl, 1 dwg

FIELD: textile industry.

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EFFECT: reduced dimensions of device, lower production costs.

2 cl, 1 dwg

FIELD: textile industry.

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EFFECT: reduced dimensions of device, lower production costs.

2 cl, 1 dwg

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. Cathode is inserted into the first chamber, and anode is inserted into the second chamber, while cathode is located from membrane at the distance of 5-20 more than anode. The following components are added into water of the first chamber by means of feeders (g/l): sodium silicate 15-20, hydrogen peroxide 20-25, surfactant 2-3, table salt 30-60, powder of aluminium silicates 5-30 vol. %, to develop a dispersed mixture. 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 anode is 5-20 times less than potential applied to cathode; cotton fabric is charged into the first chamber. Fabric is impregnated at the temperature of 85-95C, mixing dispersed mixture in the first chamber; water is mixed in the second chamber. Fabric is steamed at the temperature of 100-105C for an hour in steaming device, washed with hot and cold water, squeezed.

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2 cl, 1 dwg

FIELD: textiles, paper.

SUBSTANCE: invention relates to the textile industry, and relates to flame-proof textile materials. The flame-proof textile material comprises cellulosic fibres and fibres with their inherent flame-resistance. The flame-proof textile material can be processed with one or more flame-proof means to impart flame-resistance to cellulosic fibres.

EFFECT: invention enables to increase flame-resistance of textile material, while providing comfort when it is worn.

31 cl, 1 tbl, 1 ex

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