Method for carbonisation of wool fibres 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 50-125 g/l, powder of aluminium silicates 5-30 vol. %, creating dispersion mixture (DM); wool fibres are loaded into the first chamber; DC voltage is supplied to electrodes, developing 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. Wool fibres are impregnated and soaked for 10-25 minutes; at the same time DM is mixed, as well as water in the second chamber; fibres are discharged from chamber, squeezed, dried; thermal treatment is carried out at 100-110C, charged into the first chamber, washed with cold water, remains of sulfuric acid are neutralised in fibres in 2% solutions of soda, or ammonia or acetous sodium, again washed, discharged from the first chamber, squeezed.

EFFECT: simplification of device, reduced production costs.

2 cl, 1 dwg

 

The group of inventions relates to a method of carbonization of the fibers of wool and devices for their implementation, is used in the preparatory operations of dyeing wool fibers in the textile industry.

Known methods of carbonization of the fibers from the wool of sulfuric acid, hydrogen chloride, hydrochloric acid, aluminium chloride or magnesium [see Bernard Century Practice of bleaching and dyeing of textile materials. - "Light industry", 1971. - s-303], the purpose of which is the removal of wool cellulosic impurities, worsening the appearance of tissues (Burr, remnants of food, woven filaments of cellulose fibers). In particular, there is a method of carbonization of wool fibers, comprising introducing into the water tank of sulfuric acid to the concentration of its aqueous solution 3-7,5%, loading wool fibers in a container, extract them at 20-25C for 30-45 minutes, removing excess acid from the fiber, spinning up to 70-100%, drying at 70-90C., the heat treatment at a temperature of 100-110C for 3-7 min, rinse with cold water, the neutralization of the residual acid in the fibers in 2%solutions of soda, ammonia or sodium acetate and incremental leaching, dumping wool fibers from the vessel [see Balashov SO, Bulusheva N.E., Novoradovskaya T.S., garden SF Short course of chemical technology of fibrous materials. - M: Light and food PR the industry, 1984, - p.50, 51].

The disadvantage of the above known methods analogous is the lack of efficiency of the carbonization process, a large, up to 40 min duration of the process, high cost production cost, high risk work due to the need for storage of concentrated sulfuric acid in a special storage, transportation of sulfuric acid in the store and from the store in the tank for carbonation, the high cost of the production process.

The known device for carbonization of the fibers of wool, including the capacity for aqueous acid solution, a device for loading and unloading of containers fibers of wool, the dewatering of the fiber of wool fixture [see Bernard Century Practice of bleaching and dyeing of textile materials. - M: Light industry, 1971, - s, 303]. In particular, a device for implementing the method of carbonization of the fibers of wool, including the capacity for carbonization, tanks for storage of concentrated sulfuric acid, pipelines, valves for the supply of sulfuric acid in water tanks for carbonization, the dispenser feed acid in the tank for carbonation, a device for loading and unloading of containers fibers of wool, the dewatering of the fiber of wool fixture [see Balashov SO, Bulusheva N.E., Novoradovskaya T.S., garden SF Brief to the RS of chemical technology of fibrous materials. - M: Light and food industry, 1984, - p.50-51].

A disadvantage of the known devices analogues is their complexity, bulkiness, lack of effectiveness, the long duration of the process of carbonation in them fibers of wool, the high cost of the device and held them in the carbonization process, high degree of hazard when operating the device, the lack of efficiency of their work, a relatively long time to complete carbonization process, the high cost of works carried out on this type of 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 adopted for the prototype is a method of carbonization of wool fibers [see patent RU 2300588 C1 03/11/2005 C1 03/11/2005], in which the capacity is divided into the first chamber and the second chamber aperture; enter the first cell, the anode, the second chamber, the cathode; in the water of the first chamber is injected salt of sulfuric acid 50-200 g/l, the powder binder 5-30 vol.%; loaded into the first chamber of the fibers of wool; served on the electrodes DC voltage 5-35; fiber wool soaked and incubated for 10-25 min, unloaded from the first chamber, wring out, dry, conduct heat treatment at 100-110C, load in the first to the measure, wash with cold water, neutralized residues of sulfuric acid in the fibers in 2%solutions of soda, or ammonia, or sodium acetate, washed again, unloaded 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 carbonization of wool fibers [see patent RU 2300588 C1 03/11/2005], including the capacity; the first chamber, 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, powder aluminosilicates; a device for loading into the first chamber, discharging the fibers from the wool; the dewatering of the fiber device; a drying chamber; a chamber for heat treatment of fibers.

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

Unified technical result of invention is the simplification of the device, reducing the cost of manufacturing costs.

Specified single technical result in the implementation of the group of inventions on the object which the method is achieved by that capacity is divided into the first chamber and the second chamber equal volume of electrically conductive and grounded aperture; enter the first cell, the anode, the second chamber of the cathode when the anode relative to the diaphragm 5 to 20 times on the cathode; in the water of the first cell type (g/l): salt of sulfuric acid 50-125 g/l, the powder binder 5-30 vol.%, creating a dispersion mixture (DC); load in the first chamber of the fibers of wool; served on the electrodes 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; impregnate and maintain fiber of wool for 10-25 min; DS mix, mix water in the second chamber; fiber from the cell is discharged, wring out, dry; conducting heat treatment at 100-110C, loaded into the first chamber, washed with cold water, neutralized residues of sulfuric acid the fibers in 2%solutions of soda, or ammonia, or sodium acetate, washed again, 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 capacity; the first chamber and the second chamber is equal to the volume in the tank; a grounded conductive diaphragm between the chambers; the anode in the first chamber, a cathode in the second chamber, when the position of the anode relative to the diaphragm 5 to 20 times on the cathode; a dispenser for introduction into the water of the first chamber of salts of sulfuric acid, powder aluminosilicates; a device for loading and unloading from the first chamber of cotton fabrics; adjusting the mixer in the first chamber; adjusting the mixer in the second chamber; the dewatering of the fiber device; a drying chamber; a chamber for heat treatment of fibers.

The invention is illustrated in the drawing.

The device for implementing the method of carbonization of the fibers from the wool has a reservoir 1, the first camera 2 and the second chamber 3 is equal to the volume 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; an anode 6 is from the diaphragm 4 is 5 to 20 times farther than the cathode 5; dispenser 7 for introduction into the water of the first chamber 2 salts of sulfuric acid, powder silicates; device 8 for loading and unloading from the first chamber of the fibers of wool; device-mixer 9 in the first chamber 2; device-mixer 10 in the second chamber 3; the dewatering of the fiber device 11; a drying chamber 12; a chamber for heat treatment of fibers 13.

Specified in the formula limits the values of the processing parameters selected for the following reasons. Salts of sulfuric acid in the range 50-125 enough chap, to of them formed in the anode chamber sulfuric acid concentration 3-7,5%, quantity sufficient for the process of carbonization; the minimum quantity of powder aluminosilicates 5% vol. enough for carbonization of the fibers of the wool at the maximum voltage on the electrodes, creating an electric field strength value of 200 V/m at a minimum concentration of salts of sulfuric acid 50 g/l, which under the action of electric fields are transformed into sulfuric acid concentration of 3%, the minimum time of exposure of the fibers of the wool in an acid solution for 10 min; the maximum number of powder aluminosilicates 30% vol. enough for carbonization at a minimum voltage on the electrodes, creating an electric field strength value of 50 V/m, the maximum salt content of sulfuric acid 125 g/l, which under the action of electric fields are transformed into sulfuric acid concentration of 7.5%, the maximum exposure time of the processed material in the chamber with the anode 25 minutes

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 m2divided into two chambers 2 and 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 is 1.5 m, one of the lateral sides of which are 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 anode 6, and the first camera 2 with the anode 6 is used for impregnation and exposure of the fibers of the wool in an aqueous solution of sulfuric acid; the second chamber 3 against the wall of the chamber 2 through the holes injected flat graphite the cathode 5, 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 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 m2), and the cathode 5 is arranged to feed him the DC voltage 15 times smaller in size than the anode; in the water of the first chamber 2 enter the dispenser 7 copper sulphate in the amount of 100 kg (~30 g/l), equal volumes of a mixture of powders AMF is characteristic of aluminosilicates - montmorillonite and talc in the amount of 506 kg (15%); served on the anode 6 potential value of +100 V to the cathode 5, the potential value of -10 V, the electric potential difference is 110, generates an electric field with a magnitude of tension ~70/m, thus, the cathode 5 offers the potential modulo 10 times smaller than the anode 6; load device 8 fibers of wool into the first chamber 2; impregnate and maintain fiber of wool at a temperature of 22C for 15 min with stirring an aqueous solution of sulfuric acid concentration of 5.5% device 9, an analogue mixer in water the washing machine, and the acid is obtained from copper sulphate under the influence of an electric field, while continuously mixing water in the second chamber 3 of the device 10 - water pump submersible type with hose length 2.5 m; fiber unload device 8, press the fixture 11 to 80%, dried in the dryer 12 at a temperature of 80C, thermoablative in the device 13 at a temperature of 110C for 5 min, re-loaded into the first chamber 2, washed with cold water; neutralize acid residues in the fibres 2%solution of soda, additionally washed, discharged from the first chamber 2 device 8.

This group of technical proposals will simplify, be reduced by the introduction of p is pout camera to the second camera the size of the device for carbonization, two times reduced compared with the method of the prototype of the cost of electricity to the carbonization process.

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

tools embodying the claimed group of inventions in their implementation, are intended for carbonization of the fibers of the wool in preparation for painting in the textile industry;

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

1. The method of carbonization of the fibers of wool, namely, that the capacity is divided into the first chamber and the second chamber aperture; 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 50-125 g/l, the powder binder 5-30 vol.%; loaded into the first chamber of the fibers of wool; served on the cathode and the anode voltage DC current; the fiber was incubated for 10-25 min, unloaded from the first chamber, wring out, dry, thermoablative at 100-110C, load in the PE the first chamber, wash with cold water, neutralized residues of sulfuric acid in the fibers in 2%solutions of soda, or ammonia or acetic acid sodium, washed again, unload, press, characterized in that the container is divided into two chambers of equal volume; an electrically conductive diaphragm kasemset; 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; on the anode serves potential for module in 5-20 times smaller than the cathode; mix the dispersion mixture in first and water second chambers.

2. The device for implementing the method of carbonization of the fibers of wool, containing a capacitor; the first chamber and the second chamber in the vessel; an anode in the first chamber, a cathode in the second chamber; a diaphragm between the chambers; a dispenser for introduction into the water of the first chamber of salts of sulfuric acid, powder amphoteric binder; a device for loading and unloading from the first chamber of the fibers of the wool; the dewatering of the fiber device; a drying chamber; a chamber for heat treatment of fibers, characterized in that the first and second chamber in the vessel have equal volumes; aperture electrically conductive and grounded; the anode is located on the diaphragm 5 to 20 times farther than the cathode, provided the device is a mixer in the first chamber; adapted the e-mixer in the second chamber.



 

Same patents:

FIELD: textile industry, in particular, carbonization of wool fibers, may be used in preliminary wool fiber or yarn dyeing operations.

SUBSTANCE: method involves dividing bath into two chambers by means of partition having properties of fine filter for cleaning of water; introducing electrodes into both bath chambers; filling bath with water; introducing sulfites into bath chamber with positive electrode identified as anode chamber in an amount of 5-20 g/l, powder of amphoterous aluminosilicates: montmorillonite, kaolinite (anauxite), halloysite, beidellite, nontronite, talc, pyrophyllite in an amount of 1-30 g/l, one of said aluminosilicates, or random mixture thereof; supplying electric potential difference of 5-35 V to electrodes; charging wool fibers into bath; impregnating and holding wool fibers at temperature of 20-25 C during 10-25 min in 3-7.5%-aqueous solution of sulfuric acid; squeezing fibers to 70-100%; drying at temperature of 70-90 C; providing thermal processing at temperature of 100-115 C during 3-7 min; rinsing in cold water; neutralizing acid residues in fibers in 2%-solutions of sodium carbonate, ammonia or sodium acetate; additionally rinsing and discharging from bath.

EFFECT: reduced sizes and production costs of apparatus and increased carbonization effectiveness.

3 cl, 1 dwg

The invention relates to dyeing and finishing production of the textile industry and can be used for dyeing fibers

The invention relates to the wool industry, in particular, can be used in the processes for primary wool processing on the operations of washing wool and wastewater discharged to the sewer from sherstomoynoy barges
The invention relates to the production of chemical fibers, and in particular to devices used for the dyeing of fibers in the bundle

The invention relates to a device for liquid treatment of textile fibers, and in particular to equipment for processing wool fibres, in particular equipment for carbonization of wool fibers

FIELD: textile industry, in particular, carbonization of wool fibers, may be used in preliminary wool fiber or yarn dyeing operations.

SUBSTANCE: method involves dividing bath into two chambers by means of partition having properties of fine filter for cleaning of water; introducing electrodes into both bath chambers; filling bath with water; introducing sulfites into bath chamber with positive electrode identified as anode chamber in an amount of 5-20 g/l, powder of amphoterous aluminosilicates: montmorillonite, kaolinite (anauxite), halloysite, beidellite, nontronite, talc, pyrophyllite in an amount of 1-30 g/l, one of said aluminosilicates, or random mixture thereof; supplying electric potential difference of 5-35 V to electrodes; charging wool fibers into bath; impregnating and holding wool fibers at temperature of 20-25 C during 10-25 min in 3-7.5%-aqueous solution of sulfuric acid; squeezing fibers to 70-100%; drying at temperature of 70-90 C; providing thermal processing at temperature of 100-115 C during 3-7 min; rinsing in cold water; neutralizing acid residues in fibers in 2%-solutions of sodium carbonate, ammonia or sodium acetate; additionally rinsing and discharging from bath.

EFFECT: reduced sizes and production costs of apparatus and increased carbonization effectiveness.

3 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; 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 50-125 g/l, powder of aluminium silicates 5-30 vol. %, creating dispersion mixture (DM); wool fibres are loaded into the first chamber; DC voltage is supplied to electrodes, developing 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. Wool fibres are impregnated and soaked for 10-25 minutes; at the same time DM is mixed, as well as water in the second chamber; fibres are discharged from chamber, squeezed, dried; thermal treatment is carried out at 100-110C, charged into the first chamber, washed with cold water, remains of sulfuric acid are neutralised in fibres in 2% solutions of soda, or ammonia or acetous sodium, again washed, discharged from the first chamber, 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 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

Up!