CN101892535A - Method for spinning medium-high count pure flax yarns by twain coarse fiber of flax - Google Patents

Abstract

The invention relates to a method for spinning medium-high count pure flax yarns by twain coarse fiber of flax, which is prepared by taking twain coarse staple fibers of flax as a main raw material and through the steps of blending and humidifying the flax, carding in a combined manner, gilling at a second course, carding in a refined manner at a third course, post-gilling at a fourth course, roving, boiling and bleaching, spinning yarns, drying, spooling and the like. The method in the invention solves the problem of insufficient staple fibers, enables the twain coarse fiber of flax to be used fully and reasonably and is added a handful of long jute fibers to play a skeleton support role; the prepared pure flax yarns have good yarn levelness, small jute particles and smooth and fine fabric appearance, lowers raw material cost, increases product additional value, and have same use functions as other long/short jute flax yarns; and the bleaching process has no reside and no pollution.

Description

The method of a high pure flax yarn in the second hards spinning

Technical field: the method that the present invention relates to a high pure flax yarn in a kind of second hards spinning.

Background technology: at present, second hards carries out roughing in history, is used for producing products such as rope goods, gunnysack, because the second hards product contains assorted height, fiber is more thick and stiff, is not introduced into flax spinning factory all the time.Continuous expansion along with domestic flax industry size, domestic raw material supply wretched insufficiency, the ratio that corresponding European raw material uses constantly increases, because European raw material long flax rate is than higher, machine cast tow ratio is few, length fiber crops raw material supply imbalance, cast tow raw material critical shortage, second hards also is introduced into flax spinning factory in recent years, but also just does some low kinds, the spinning of a high pure flax yarn in can't carrying out with second hards.

Summary of the invention: the objective of the invention is to overcome above-mentioned shortcoming, the method for a high pure flax yarn in a kind of second hards spinning is provided, it has mainly solved the short problem of shortage of machine, makes second hards obtain fully reasonably using.The object of the present invention is achieved like this, the method of a high pure flax yarn in the second hards spinning: mix numb humidification, sodium alkyl sulfonate and alkane solution with 4% are cooked humidizer, and two crude fibres are carried out the humidification rolling, health was used after 24 hours, required the fiber moisture regain to reach 14-17%; Connection comb operation, the fiber crops volume process after the health joins comb shredding, combing, evenly ramie stripes, mixing, removal of impurities, drawing-off attenuate ramie stripes, and linear mass is controlled at 18-22 gram/rice; Grilling, combing, rove operation, adopt twice to give pin operation behind the pin, three times combing, four times, the long ramie stripes that adds 10-20% in back pin operation, rove adopts 8-12 drawing-off doubly, the rove pin is close to be increased to 28 pieces/inch, compartition and carded fiber, fiber that removal can not be spun and impurity, add the suitable twist, make package; Boiling and bleaching process: adopt oxygen to float bleaching process, remove part fiber accompaniment, the processing of coming unstuck; Boil the yarn engineering: earlier boil the yarn water of draining after 10 minutes with 60 ℃ hot water; Boiling-off engineering: in the condiment cylinder, prepare boiling house solution,, add water to 400 liters, inject main pot, intensification 95-100 ℃, be incubated discharge opeing after 50-60 minute, discharge opeing after washing 10-15 minute of 50-60 ℃ of usefulness with 25 kilograms of pure sodium solutions; Bleaching engineering: in the condiment cylinder, prepare bleaching liquid,, add water to 400 liters with 15 kilograms of 20 kilograms of carboxylic acid sodium solution, bleaching agent 0.7-1 kilogram, hydrogen peroxide, inject main pot, intensification 90-100 ℃, be incubated discharge opeing after 35-40 minute, with 50-60 ℃ of washing discharge opeing after 10 minutes, extremely neutral with cold wash; Spinning process: will boil rove after floating through the drafter of wet spinning frame, be spun into have certain density, the qualified spun yarn of the twist, intensity and exterior quality requirement; Dry with the radio-frequency seasoning machine cop of machine under the wet spinning is dried processing, winder excises foreign material such as the slubbing of spun yarn after the drying, details, loams, and the incidental looping rolling fitted tube yarn of low capacity is got final product.This spinning method for genuine is to be main raw material with the second hards staple fibre, two coarse raw materials can be spun into the cast tow yarn of public of 28-36, material rate is two crude fibre 80-90%, the long flax fibre 10-20% of flax, the short problem of shortage of the machine that solved, make second hards obtain fully reasonably using, add a spot of long flax fibre and played the skeleton supporting role, the pure flax yarn bar of producing makes a good job of, the fiber crops particle is few, and the smooth exquisiteness of appearance of fabrics has reduced cost of material simultaneously, increased value-added content of product, have identical function of use with other length fiber crops linen yarn, improved the quality and the spinnability of sliver, roving boiling and bleaching adopts oxygen to float bleaching process in addition, eliminated the residual infringement that brings of chlorine, pollution-free.

The specific embodiment:

A, mixed numb humidification, sodium alkyl sulfonate and alkane solution with 4% are cooked humidizer, and two crude fibres are carried out the humidification rolling, and health was used after 24 hours, required the fiber moisture regain to reach 14-17%;

B, connection comb operation, the fiber crops volume process after the health joins comb shredding, combing, evenly ramie stripes, mixing, removal of impurities, drawing-off ramie stripes attenuate, and linear mass is controlled at 18-22 gram/rice;

C, grilling, combing, rove operation adopt twice to give pin operation behind the pin, three times combing, four times, add the long ramie stripes of 10-20% in back pin operation, increase fibre length, raising ramie stripes intensity.Rove adopts 8-12 drawing-off doubly, and the rove pin is close to be increased to 28 pieces/inch, and further compartition and carded fiber make fiber parallel more straight, and fiber that removal can not be spun and impurity add the suitable twist with the rove bar after the drawing-off, make package;

D, boiling and bleaching process: adopt oxygen to float bleaching process, remove part fiber accompaniment, the processing of coming unstuck improves division degree and whiteness;

(1) boils the yarn engineering: earlier boil the yarn water of draining after 10 minutes with 60 ℃ hot water;

(2) boiling-off engineering: prepare boiling house solution in the condiment cylinder, with 25 kilograms of pure sodium solutions, add water to 400 liters, inject main pot, intensification 95-100 ℃, 95 ℃ be best, is incubated discharge opeing after 50-60 minute, discharge opeing after washing 10-15 minute of 50-60 ℃ of usefulness;

(3) bleaching engineering: in the condiment cylinder, prepare bleaching liquid, with 15 kilograms of 20 kilograms of carboxylic acid sodium solution, bleaching agent 0.7-1 kilogram, hydrogen peroxide, add water to 400 liters, inject main pot, intensification 90-100 ℃, 100 ℃ is best, is incubated discharge opeing after 35-40 minute, with 50-60 ℃ of washing discharge opeing after 10 minutes, extremely neutral with cold wash;

E, spinning process: will boil rove after floating through the drafter of wet spinning frame, be spun into have certain density, the qualified spun yarn of the twist, intensity and exterior quality requirement, drafter adopts the two light top rollers of single apron, has increased additional friction power circle, has guaranteed evenness quality;

F, drying are dried processing with the radio-frequency seasoning machine to the cop of machine under the wet spinning;

G, winder excise foreign material such as the slubbing of spun yarn after the drying, details, loams, and the incidental looping rolling fitted tube yarn of low capacity is got final product.

Claims (1)

1. the method for a high pure flax yarn in the second hards spinning, it is to be main raw material with the second hards staple fibre, it is characterized in that:

A, mixed numb humidification, sodium alkyl sulfonate and alkane solution with 4% are cooked humidizer, and two crude fibres are carried out the humidification rolling, and health was used after 24 hours, required the fiber moisture regain to reach 14-17%;

B, connection comb operation, the fiber crops volume after the health is through the shredding of connection comb, combing, evenly ramie stripes, mixing, removal of impurities, drawing-off ramie stripes, and linear mass is controlled at 18-22 gram/rice;

C, grilling, combing, rove operation, adopt twice to give pin operation behind the pin, three times combing, four times, the long ramie stripes that adds 10-20% in back pin operation, rove adopts 8-12 drawing-off doubly, the rove pin is close to be increased to 28 pieces/inch, compartition and carded fiber, fiber that removal can not be spun and impurity, add the suitable twist, make package;

D, boiling and bleaching process: adopt oxygen to float bleaching process, remove part fiber accompaniment, the processing of coming unstuck;

(1) boils the yarn engineering: earlier boil the yarn water of draining after 10 minutes with 60 ℃ hot water;

(2) boiling-off engineering: in the condiment cylinder, prepare boiling house solution,, add water to 400 liters, inject main pot, intensification 95-100 ℃, be incubated discharge opeing after 50-60 minute, discharge opeing after washing 10-15 minute of 50-60 ℃ of usefulness with 25 kilograms of pure sodium solutions;

(3) bleaching engineering: in the condiment cylinder, prepare bleaching liquid, with 15 kilograms of 20 kilograms of carboxylic acid sodium solution, bleaching agent 0.7-1 kilogram, hydrogen peroxide, add water to 400 liters, inject main pot, intensification 90-100 ℃, be incubated discharge opeing after 35-40 minute, with 50-60 ℃ of washing discharge opeing after 10 minutes, extremely neutral with cold wash;

E, spinning process: will boil rove after floating through the drafter of wet spinning frame, be spun into have density, the qualified spun yarn of the twist, intensity and exterior quality requirement;

F, drying are dried processing with the radio-frequency seasoning machine to the cop of machine under the wet spinning;

G, winder excise foreign material such as the slubbing of spun yarn after the drying, details, loams, and the incidental looping rolling fitted tube yarn of low capacity is got final product.