Method for washing of cotton fabrics after mercerisation 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 anode is located from membrane at the distance of 5-20 more than cathode. Table salt in amount of 10-50 g/l, powder of aluminium silicates in amount of 5-30 vol. % are added into water of the first chamber. Cotton fabrics are loaded into the first chamber. DC voltage is sent to cathode and anode to develop intensity of electric field of 20-200 V/m. Potential sent to anode is 5-20 times less by module than the one sent to cathode; dispersed mixture is mixed in the first chamber; fabrics are washed in the first chamber by running water for 10-20 minutes; water is mixed in the second chamber; fabrics are discharged, squeezed.

EFFECT: reduced dimensions of device, lower production costs.

2 cl, 1 dwg

 

The group of inventions relates to a method of washing cotton fabric after mercerization and devices for their implementation in the production of dyeing textile materials in the textile industry.

Usually cotton fabric after mercerization is washed with hot and cold running tap water for 0.5-1 hour (washing time depends on the density, the thickness of the fibers and the fabric itself, and other physico-chemical properties of fibres and fabrics) [see Davidson M.I. electromagnetic treatment of water systems in the textile industry. - M.: Legprombytizdat, 1988. - s]. There is a way for washing cotton fabrics, including the processing of flowing water electric eld of strength 6 500-7000/m and subsequent washing of the fabric by passing tap water through it (at the beginning of the water treated by the electric field, then this activated water washed fabric) [see Davidson M.I. electromagnetic treatment of water systems in the textile industry. M: Legprombytizdat, 1988. - s-126]. This method is 10-15% intensifies the process of washing cotton fabric after mercerization and reduces washing time by 25 to 50 minutes

The disadvantage of all known methods of analogues and, in particular, the latter shows how similar is not high the th efficiency washing cotton fabrics, high energy consumption, high cost of this process of textile production, the long duration of the washing process to wash consumes 15-20% of heat and up to 40% of the electrical energy consumed finishing production, a large value of electric field intensity in water treatment and as a consequence of this heightened danger for the operating personnel in the implementation of the latter method is equivalent.

The known device analogous to the method of washing cotton fabric after mercerization, which include the capacity of the material and washing machine; a device for loading into the container and unloading of her cotton fabrics; the dewatering fabric device [see Balashov SO, Bulusheva N.E. and other Short course of chemical technology of fibrous materials. - M: Light and food industry, 1984, - p.36-37]. There is a device similar, including the capacity of the material and washing machine; a device for loading into the container and unloading of containers of cotton fabrics; the dewatering fabric device, the video processing flowing water electric eld of strength 6 500-7000/m [see Davidson M.I. electromagnetic treatment of water systems in the textile industry. M: Legprombytizdat, 1988. - s-126].

The disadvantage of known the explosive device analogues is their low productivity, the high cost of the production process carried out on these devices.

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 chosen for the prototype is a method for washing cotton fabrics [see EN 2294993, 03/11/2005], namely, that the capacity is divided into the first chamber and the second chamber aperture; the first cell, enter the cathode, the second chamber enter the anode; the cathode and the anode serves a DC voltage that generates an electric field of 20-200 In/m; load the cotton fabric into the first chamber, large in size; fabric is washed in running water for 10-20 minutes, unload, press.

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 effect and therefore adopted for the prototype is a device for implementing the method of washing cotton fabrics [see EN 2294993, 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 camera; a device to load the file first chamber and the unloading of her cotton fabrics; device for washing fabrics in running water; dewatering fabric 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 by the fact that the capacity is divided into the first chamber and the second chamber equal volumes grounded conductive diaphragm; enter into the first chamber and a cathode, the second chamber of the anode when the cathode relative to the diaphragm 5 to 20 times on the anode; in the water of the first chamber is injected salt 10-50 g/l, the powder binder 5-30 vol.%; download the first cell of cotton cloth; on the cathode and the anode serves a DC voltage that generates an electric field of 20-200 In/m, and the anode serves potential for module in 5-20 times smaller than the cathode; mix the dispersion mixture in the first chamber; a wash cloth in the first chamber flowing water for 10 to 20 minutes; stir the water in the second chamber; fabric unload, press.

Specified single technical result in the exercise of invention the device object is achieved by the fact that R is t capacity; the first chamber and the second chamber is equal to the volume in the tank; a grounded conductive aperture between the first and second chambers; a cathode in the first chamber, the second anode chamber; a cathode located on the diaphragm 5 to 20 times farther than the anode; a dispenser for introduction into the water of the first cell of table salt, powder silicates; adjusting the mixer in the first chamber; adjusting the mixer in the second chamber; a device for loading and unloading from the first chamber of cotton fabrics; a device for washing fabrics in running water; dewatering cotton fixture.

The essence of invention is illustrated by a drawing.

The device includes a container 1; the first chamber 2, the second chamber 3 is equal to the volume in the tank 1; a grounded conductive diaphragm 4 between the first 2 and second 3 cameras; the cathode 5 in the first chamber 2, the anode 6 in the second chamber 3 and the cathode 5 is from the diaphragm 4 is 5 to 20 times farther than the anode 6; dispenser 7 for introduction into the water of the first chamber 2 of table salt, powder silicates; adjusting the mixer 8 in the first chamber 2; adjusting the mixer 9 in the second chamber 3; a device 10 for loading and unloading of the first camera of cotton fabrics; a device for washing fabrics in running water 11; dewatering cotton fabric device 12.

The formula bar within the values of the processing parameters selected for the following reasons. Lower limits to the quantities loaded into the first chamber of sodium chloride, 10 g/l powder and binder 5% vol. sufficient for washing fabrics when applying to the cathode and the anode of the DC voltage that creates the electric field strength value of 200 V/m; the upper limits of the amounts of salt 50 g/l and powder aluminosilicates 30% vol. sufficient for washing fabrics when applying to the electrodes a voltage that generates an electric field strength value of 20 V/m

Example. The container 1 with the body and lid of the 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 m2divided into the first chamber 2 and the second camera 3, setting within a larger cross-sectional of the second camera 3, the first chamber 2 of the plastic 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 the cathode 5; the second chamber 3 against the wall of the chamber 2 through the holes enter the WTO is th flat graphite electrode-anode 6, thus create the design of dual-chamber 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 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 their total amounts (3,375 m3), and the anode 6 is arranged to feed him the DC voltage, 15 times lower than the cathode; in the water of the first chamber 2 of the dispenser 9 is injected (g/l): table salt 3; powder aluminosilicates: zeolite (50%), montmorillonite (50%) in the amount of 20 vol.%; 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 10 cotton fabric - satin - harness into the first chamber 2; washed fabric with stirring device 7 is an electric motor with a comb - dispersive powder mix of silicates, aqueous solution of caustic soda concentration of 3 g/l, formed under the action of the electric field of the cook is Noah salt; washed fabric device 11 in the first chamber 2 with running water for 15 minutes; stir fixture 8 - water pump submersible type "kid" with a hose length of one meter of water in the second chamber 3; fabric unload device 10 of the first camera; press device 12 to a moisture content of 105%.

This group of technical proposals can simplify the device for washing cotton fabrics, reduce the cost of production costs: a two-fold decrease compared with the method of the prototype cost of electricity for the process of washing 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 method and the device in their implementation, is intended for washing cotton fabric after mercerization in the production of dyeing textile materials in the textile industry;

for the inventive method and devices for their implementation, as they are described in the independent clause sets out 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 invention accordingly is meets the condition of "industrial applicability".

1. Method wash the cotton fabric after mercerization, namely, that the capacity is divided into the first chamber and the second chamber aperture; enter into the first chamber and a cathode, the second chamber anode; electrode serves a DC voltage that generates an electric field of 20-200 In/m, load the fabric into the first chamber, the fabric is washed in running water, unload, press, characterized in that the container is divided into the first chamber and the second chamber equal volume of electrically conductive and grounded aperture; the cathode is located on the diaphragm 5 to 20 times farther than the anode; in the water of the first chamber type (g/l): salt 5-10 (g/l), powder aluminosilicates 5-30 vol.%, creating a dispersion mixture (DC); load in the first cell of cotton cloth; anode serves potential for module in 5-20 times smaller than the cathode; mix DS in the first chamber; a wash cloth under running water for 10-20 minutes; mix the water in the second chamber.

2. The device for implementing the method of washing cotton fabric after mercerization, including the capacity; the first chamber, 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 camera; a device for loading and unloading from the first chamber of the tissue; the dewatering fabric device, characterized those who, the first camera and the second camera in the tank of equal volume; aperture electrically conductive and grounded; the cathode is located on the diaphragm 5 to 20 times farther than the anode; provided by the device-mixer in the first chamber; adjusting the mixer in the second chamber; a device for washing fabrics in running water.



 

Same patents:

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

FIELD: textile, paper.

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; salts of sulfuric acid with concentration of 5-10 vol. % are added into water of the first chamber, as well as powder of aluminium silicates in proportion of 5-30 vol. %, creating dispersed mixture; fabric of cotton fibres is 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 cathode is 5-20 times less by module than the one sent to anode; fabrics are impregnated and soaked for 0.5-5 hours; dispersed mixture is mixed in the first chamber, and water is mixed in the second one; fabrics are washed, discharged, squeezed.

EFFECT: simplification of device, reduced production costs.

2 cl, 1 dwg

FIELD: textile industry, in particular, peroxide whitening and alkaline cooking processes used in dyeing of cotton cloths.

SUBSTANCE: method involves dividing reservoir of material washing machine into two chambers by means of partition having fine filtering properties for fine filtering of water; introducing electrodes into said chambers; filling chambers with water, with running water being directed through chamber having positive electrode and called anode chamber, and water comprising, g/l: hydrogen peroxide 20-25, sodium silicate 15-20, surfactant 2-3, being directed through chamber having negative electrode and called cathode chamber; charging common salt into cathode chamber in an amount of 10-20 g/l; supplying electrodes with voltage of 5-35 V; charging cloths into cathode chamber for whitening and alkaline cooking; impregnating cloths in reservoir of material-washing machine at temperature of 85-95 C with aqueous solution of salts of indicated composition; steaming at temperature of 100 C; washing with hot and cold water.

EFFECT: reduced processing time, decreased costs of whitening and cooking processes, and improved safety of operating conditions.

1 dwg

FIELD: textile industry, in particular, cotton fabric washing after mercerization process in production of dyed textile materials.

SUBSTANCE: method involves dividing bath adapted for washing of cotton fabrics and supplied with running water into two chambers by means of partition featuring the properties of fine filter for water; introducing electrodes into both of said chambers; supplying voltage to electrodes for creating electric field having intensity E=20-200 V/m; changing voltage polarity on electrodes with periodicity of 1-5 min; washing cotton fabric within chamber of larger size during 5-20 min. Method allows electric field intensity and, correspondingly, voltage supplied to electrodes to be reduced and safety of washing process to be enhanced.

EFFECT: increased efficiency, reduced process time, decreased consumption of power and costs for washing of cotton fabrics after mercerization process, and improved safety of process.

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FIELD: textile industry, in particular, cotton fabric cooking technology used in textile material dyeing process.

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EFFECT: reduced expenses for cotton fabric cooking process, and improved safety conditions during fabric cooking process.

1 dwg

FIELD: textile industry, in particular, cotton fabric desizing process and equipment.

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3 cl, 1 dwg

FIELD: textile industry, in particular, structure of fabric and method for producing such a fabric.

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EFFECT: convenient use and reduced manufacture costs.

3 cl, 1 tbl

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FIELD: textile industry, in particular, structure of fabric and method for producing such a fabric.

SUBSTANCE: fabric is manufactured by interweaving of warp and weft threads, with weft threads being combined thread including polyurethane core making 0.5-5.0% by weight of fabric, and twisted layer. Fabric is composed of thermally stabilized filaments. Warp threads and twisted layer are made from cotton filaments. Surface density of fabric is 75-435 g/m2, with number of warp threads per 10 cm making 154-446 and number of weft threads making 150-481. Method involves providing mutual interweaving of weft and warp thread systems; performing chemical processing, dyeing, printing and providing final finishing. Thermal stabilization process is carried out at temperature of 170-1900C for 40-90 s immediately before preliminary chemical processing or dyeing or printing process or before final finishing procedure.

EFFECT: convenient use and reduced manufacture costs.

3 cl, 1 tbl

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3 cl, 1 dwg

FIELD: textile industry, in particular, cotton fabric cooking technology used in textile material dyeing process.

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EFFECT: reduced expenses for cotton fabric cooking process, and improved safety conditions during fabric cooking process.

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FIELD: textile industry, in particular, cotton fabric washing after mercerization process in production of dyed textile materials.

SUBSTANCE: method involves dividing bath adapted for washing of cotton fabrics and supplied with running water into two chambers by means of partition featuring the properties of fine filter for water; introducing electrodes into both of said chambers; supplying voltage to electrodes for creating electric field having intensity E=20-200 V/m; changing voltage polarity on electrodes with periodicity of 1-5 min; washing cotton fabric within chamber of larger size during 5-20 min. Method allows electric field intensity and, correspondingly, voltage supplied to electrodes to be reduced and safety of washing process to be enhanced.

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FIELD: textile industry, in particular, peroxide whitening and alkaline cooking processes used in dyeing of cotton cloths.

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EFFECT: reduced processing time, decreased costs of whitening and cooking processes, and improved safety of operating conditions.

1 dwg

FIELD: textile, paper.

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; salts of sulfuric acid with concentration of 5-10 vol. % are added into water of the first chamber, as well as powder of aluminium silicates in proportion of 5-30 vol. %, creating dispersed mixture; fabric of cotton fibres is 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 cathode is 5-20 times less by module than the one sent to anode; fabrics are impregnated and soaked for 0.5-5 hours; dispersed mixture is mixed in the first chamber, and water is mixed in the second one; fabrics are washed, discharged, squeezed.

EFFECT: simplification of device, reduced 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 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

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 anode is located from membrane at the distance of 5-20 more than cathode. Table salt in amount of 10-50 g/l, powder of aluminium silicates in amount of 5-30 vol. % are added into water of the first chamber. Cotton fabrics are loaded into the first chamber. DC voltage is sent to cathode and anode to develop intensity of electric field of 20-200 V/m. Potential sent to anode is 5-20 times less by module than the one sent to cathode; dispersed mixture is mixed in the first chamber; fabrics are washed in the first chamber by running water for 10-20 minutes; water is mixed in the second chamber; fabrics are discharged, squeezed.

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.

EFFECT: simplification, reduced dimensions and cost of device, lower production costs.

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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