CN103060978A - Pure spinning or blended spinning process for hemp - Google Patents
Pure spinning or blended spinning process for hemp Download PDFInfo
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Abstract
The invention discloses a pure spinning or a blended spinning process for hemp. The pure spinning or the blended spinning process for the hemp is characterized by the steps of pretreating the hemp, humidifying the hemp and performing health treatment on the hemp, and then directly performing the pure spinning of the hemp or the blended spinning of the hemp, cotton, functional fiber and the like by means of double carding or double combing process according to the splitting degree of the hemp. The yield rate based on yarn evenness index is greatly improved, and the variety of the products diversifies. By means of the pure spinning or the blended process, various products with different varieties and series such as polyester ramie, modal, tencel, bamboo fiber, colored viscose, color cotton, color hemp and the like can be prepared, and thus, various requirements from customers can be well met.
Description
Technical field
The present invention relates to a kind of method, belong to the field, particularly pure the spinning or blended spinning technique of a kind of Chinese fiber crops.
Background technology
Hemp is Cannabaceae annual herb plant, English name Hemp, in the world tetrahydrocannabinol content in the hemp is lower than 0.3% kind and becomes industrial hemp, being higher than 0.3% kind becomes medicinal and marijuana hemp, China becomes Chinese fiber crops (China hemp is called for short hemp) from August, 2005 with low toxicity or nontoxic hemp for this reason.China's Chinese fiber crops output accounts for 1/3. of Gross World Product and ranks first in the world.Hemp fabric has that fungus-resistant, antiultraviolet, moisture absorption are ventilative, heat-resisting sun-proof, ecological health, without the characteristics such as characteristics of prodding and itching feeling, also have simultaneously good hygroscopicity and thermal diffusivity.Corrosion resistance and the resistance to water of Chinese fiber crops occupy first of the natural fabric.The spinning property of Chinese fiber crops is better than flax inferior to ramie.
The length of china-hemp fibers is generally 7～50mm, and diameter is 15～30 μ m, and fiber color is yellow-gray to brown, and after bleaching, Color expression white is with glossy.The proportion of fiber is 1.49cm
3About, the degree of polymerization is 2200～2300, is about 70% of flax, 50% of cotton, 12.5% of ramie.China-hemp fibers is shorter, is generally less than 25mm, and the Length Regularity of fiber is poor, for guaranteeing spinning effect and yarn quality, must be " process of fiber " with filament adhesion bunched fiber by colloid, carries out spinning processing.Hemp fabric more and more is subject to consumer's favor in recent years because of the performance of its exclusive antibiotic health care and moisture absorbing and sweat releasing and antiultraviolet, the loose wet speed of the moisture absorption of china-hemp fibers is better than other fiber, and the fiber rigidity is good, refreshing body, sharp sweat, do not stick and pastes health, dress is felt nice and cool not next to the skin.The fabric of knitting with the yarn of Chinese fiber crops and blending thereof at present is subjected to consumers in general's welcome deeply, Chinese ramie product has been widely used in that family is spun, underwear socks goods and other textile garment articles for use, and begin for war industry equipment, therefore Chinese fiber crops are the problems of in recent years many Chinese fiber crops industries further investigation with the blending of various functional fibres and the spinning technique of pure yarn, my company with the holding Co., Ltd of Younger Yunnan Yi Kehan fiber crops joint development the blended yarns of Chinese fiber crops with cotton and other functional fibre.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides high pure the spinning or blended spinning technique of Chinese fiber crops of a kind of product quality.
The present invention realizes by following technology:
The pure spinning process that spins of a kind of Chinese fiber crops, it is characterized in that: after the preliminary treatment of Chinese fiber crops, the health of Chinese fiber crops humidification are processed, select to take two comb and parallel cotton fibers prior to spinnings or two combing according to the division degree of Chinese fiber crops, be two carding process of taking more than 2200 for the division degree of Chinese fiber crops, division degree is pair combings of taking below 2200;
Described pair of carding process flow process is: A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → AO92AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine, make fiber web package → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076 single beater scutcher → FA201B carding machine → E32 strip ribbon lap machine → E62 combing machine, make Chinese fiber crops yarn → one → FA306 drawing frame two roads → FA426 Speed frames → EJM128K fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister of FA306 drawing frame;
The dual combing process is: A002D automatic blending machine → A035 mixed opener → FA022 multiple positions blender → FA106 opener → AO92AST vibrating hopper cotton feeder → A076E singles hand lapper → FA201B comb cotton strip and roll machine → E32 → E62 comber, made of hemp fiber → A771A combed automatic balers → A002D → A035 blender mix opener → FA025 multi position blender → FA106 opener → A092AST vibrating hopper cotton feeder → A076 singles hand lapper → FA201B carding → E32 strip and roll machine → E62 comber, made of hemp combed sliver → FA306 pre-and machine a → FA306 pre-and machine two Road → FA426 roving machine → EJM128K nail ring spinning or spinning frame → 21C automatic winder → RF231B winder → RF321E twister.
A kind of Chinese fiber crops blended spinning technique, it is characterized in that: with the preliminary treatment of Chinese fiber crops, after the health of Chinese fiber crops humidification is processed, directly Chinese fiber crops cotton is carried out premix and mixed cotton, behind the A002D automatic plucker → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → pre-parallel operation of A076E single beater scutcher → FA201B carding machine → FA306 → E32 strip ribbon lap machine → E62 combing machine, make the cotton ramie blended spinning yarn, again through the FA306 drawing frame together → FA306 drawing frame two roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form.
Described a kind of Chinese fiber crops blended spinning technique, it is characterized in that: with functional fibre after the pre-parallel operation of A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine → FA306 spinning, then spin yarn with above-mentioned Chinese fiber crops or linen-cotton and carry out blending, through the FA306 drawing frame together → FA306 drawing frame two roads → FA306 drawing frame three roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form.
Pure the spinning or blended spinning technique of above-described a kind of Chinese fiber crops is characterized in that its concrete technology step is as follows:
1) Chinese fiber crops preliminary treatment
According to doubling rate and the content of runner fault and the fineness of fiber of fiber, to crudy poor flax fibre with single licker-in flicking machine or play the licker-in release that carding willow carries out 1 to 2 time and process;
2) health of Chinese fiber crops humidification is processed
China-hemp fibers is carried out the humidification health processes, with humidifier add wet process or spray steam moisturizing and vexed put made fiber at least in 24 hours moisture regain at 11-14%;
3) Chinese fiber crops premix and mixed cotton
Combed yarn for Chinese fiber crops and cotton blending all will carry out the necessary cotton that is mixed, and mixes and takes bale of cotton hybrid mode, carries out in advance a premixed with an A002D automatic plucker, then further mixes at cotton cleaning process through the packing of A771A baling press again; Improve the ratio 5-10% of flax fibre when distributing cotton in prescription;
4) cotton cleaning process
Cotton cleaning process is shredding, removal of impurities, mixing rolling, Chinese hemp spinning yarn or cotton ramie blended spinning cotton cleaning process are through A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, for reducing the damage of fiber, reduce each hired roughneck's speed, change the porcupine hired roughneck into kirschner beater, the Beater Speed of FA106 opener is reduced to 385-420r/min by 480r/min; Functional fibre spinning cotton cleaning process is through A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, to the transformation of functional fibre by pipeline, change a road into and directly skip A035 mixed cotton slitter, FA025 multi-mixer and FA106 opener, air exercise hand strap wheel is transformed, and makes comprehensive Beater Speed reduce to 750-850r/min; With the sealing of hired roughneck's dirt rod, reduce the rate that falls; For the relative humidity that guarantees lap moisture regain cotton cleaning process is controlled at 68-73%, humidifier is installed simultaneously above griping cotton machine; For reducing the cotton layer tension force of lapper, avoid cotton layer to break, change the gear of rolling roller into 38 teeth by 37 teeth, make tension draft reduce 2.5%;
5) carding step
Carding step is doubling and the runner that combing mixes and remove part, heighten the rate of transform of fiber, the speed ratio of cylinder licker-in is 2.2, adjust the cylinder speed 360r/min of cotton fiber, adjust the cylinder speed 330r/min of functional fibre, cylinder flat spaces 12,11,10,10,11(1/1000 "); the cylinder that spins cotton ramie blended spinning adopts and spins cotton Bearded-needle knitted cloth; usefulness be the AC2030*1540 type; functional fibre is with the Bearded-needle knitted cloth that spins chemical fibre; adopt the AC2525*1850 type, flat-clothing is selected MC ZH28 type; The controlled 7-8% of the rate that always falls of carding step; For guaranteeing that junk in time siphons away, change original dust filtering fan into 30kw by 22KW, improve filter dirt air quantity;
Tension draft for the higher yarn comb and parallel cotton fibers prior to spinning of pure Chinese fiber crops or Chinese fiber crops ratio is little, will change 22 teeth into by 21 teeth to the travelling gear of cotton roller, reduces 4.5% for cotton sheet power, is to guarantee slivering, comb and parallel cotton fibers prior to spinning employing apron stripping;
6) pre-drawing volume operation
Pre-and operation mainly is to improve combined roots to functional fibre, reduces weight unevenness; Take 8 and close, larger first break draft reduces the total draft multiple as far as possible, to reduce the fiber crops grain of combing;
Bar is also rolled up operation and also will be reduced the total draft multiple, simultaneously the total draft change gear of E32 strip ribbon lap machine is transformed, make the total draft multiple reduce to 1.43 times by 1.56 times, because of the cohesive force of ramie stripes relatively poor, easily produce the slippage drawing-off of fiber, so drawing-off everywhere is little, and it is smooth to close table top, and rolling speed is not more than 80m/min;
7) combing process
Combing process mainly is to get rid of staple fibre, guarantee the short fiber content of sliver, the rate that falls of combing is controlled at 16-18%, and the higher kind linters rate of Chinese fiber crops ratio is controlled at 18-25%, reduce the tension draft of combing table top and the tension draft of feeding from lap, boundling bell mouth suitably strengthens;
For spin simultaneously cotton textiles and the Chinese fiber crops blending kind the time, junk to be carried out fully and separate, share will transforming the filter dirt of combing of same combing dust-filtering system for two kinds, original combing filter dirt has been added again the one-level disc filtration device at the inlet box place, and the rotating speed of raising disk suction nozzle, guarantee the normal noil of inhaling;
Be difficult to enter drafting system for pure Chinese fiber crops kind because of it behind carding, sliver is very easily broken; Therefore can adopt the combing machine of domestic A201 type to the product of pure Chinese fiber crops, the tooth that strengthens cylinder is close, guarantees cylinder density more than 35000 teeth, top comb insertion depth 0.2mm, and carding isolation distance 0.3mm guarantees web quality;
8) and unskilled workman's order
And unskilled workman's order will be carried out special treatment to roller, take the lacquer coating of black to process, reduce the total draft multiple as far as possible, rove will reduce tension force, ingot speed suitably lowers, be no more than 650r/min, the part board of mixing in doubling step changes frequency control into by the belt wheel speed governing, according to the characteristic of the easy moisture absorption of flax fibre, controlling well also, the relative humidity of unskilled workman's order is 65-70%, in case of necessity humidifier will be installed, the speed of drafting will reduce, less than 150m/min; The package of rove is little, and the twist factor of rove improves 20% than cotton;
9) spinning process
The ingot speed of spinning process will reduce, and pure numb kind is no more than 8000r/min, low kind ingot speed improvement value 10000-12000r/min; The twist factor of spun yarn designs by 400-450, suitably strengthens roller gauge, than the large 4-6mm of cotton, adopts larger spacing block to avoid out hardhead; The frequency of the negative-pressure air fan of raising compact spinning is for to press more than the 60HZ, negative-pressure air fan is changed in case of necessity, to use rarer tightening weave net ring, the blower fan of suction tube also will strengthen, reduce spinning end breaking, the steel traveler of spun yarn will be used the wide cast in yarn path, steel traveler that can 6903 or 6802 types, and rings adopts bearing steel rings; For avoiding flax fibre to sneak into other yarns, reduce three, to carry out isolation with textile kind to Chinese fiber crops kind;
10) winding procedure
Because fiber crops grain and the slubbing of the yarn of numb blending itself are higher, the winder broken end is higher, therefore reduces winding speed, adjusts the Clearing Curve of winder; The Clearing Curve of winder suitably loosens than textile kind simultaneously; Concrete thresholding setting range N rugosity 300-450%; S rugosity 200-300%, length 2.5-4cm; Long thick L rugosity 40-60%, length 20-30cm, long thin T rugosity-40～-60%, length 20-35cm; Yarn speed 1200m/min; Will guarantee simultaneously to twist with the fingers the knot strength retention and be not less than 80%, guarantee the sth. made by twisting knot air pressure of gas sth. made by twisting knot, the total admission pressure of bobbin winder is not less than 0.65Mpa; Increased by 2 screw platform air compressor machines, the workshop increases the air accumulator product for this reason;
11) doubling double twisting operation
The doubling operation adopts the automatic winder electronic yarn clearer, and the clearing thresholding is suitably adjusted, and guarantees to excise harmful yarn defect, suitably alleviates tension piece weight, and reduces doubling speed; Concrete thresholding setting range N rugosity 250-350%; S rugosity 180-300%, length 2.5-4cm; Long thick L rugosity 50-80%, length 20-30cm, long thin T rugosity-30～-60%, length 20-35cm, the tension piece grams is pressed 12-22g for the yarn of 18-22tex, the yarn of 14-16tex is pressed 10-16g, for adjusting by 5-8g below the 12tex, yarn speed 250-450m/min, when the double twisting operation will be guaranteed the large yarn of yarn angle of contact of twisting plate between 180-270 °, ingot speed 6000-9000r/min, tensile spring 0.26mm, tension pipe scale 1-5, air ring scale 4, winding tension scale 1-2.5, the twist is lower than the yarn below 50 of 50 sth. made by twisting/10cm without straining pulley.
Described step 2) in or take to steam numb technique and china-hemp fibers is carried out the humidification health process, steaming numb technique is 62 ℃ of period 1, insulation 15min, vacuum 300mbar, 75 ℃ of second rounds, insulation 25min, vacuum 450mbar.
Compared with prior art, the invention has the beneficial effects as follows: the yarn count bar that 1) spins is done index and is greatly improved.To do index be 22 to bar during such as the kind of 65 cotton 35 Chinese fiber crops CPT40S, adopt of the present invention dried be 16.5, fracture strength also brings up to present 17.5 by original 14.5.2) row yielding of flax fibre is greatly improved.General combing kind row yielding only has the row yielding of the pure gunny products of 55%(to only have 30%), the row yielding of flax fibre also is increased to 40% with the row yielding of bringing up to the pure gunny products of 67%(behind employing the present invention).The row yielding of functional fibre brings up to present 96% by original 90%.3) kind of product presents variation.The present invention can prepare the kind of the series how wide in variety such as fiber crops are washed wool, model, day silk, bamboo Dai Er, coloured viscose glue, look cotton, look numb, better meets client's multiple demand.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Accompanying drawing 1 is the pure spinning technological process figure that spins of Chinese fiber crops of the present invention;
Accompanying drawing 2 is Chinese fiber crops of the present invention and cotton blended spinning technique flow chart;
Accompanying drawing 3 is Chinese fiber crops of the present invention and functional fibre blended spinning technique flow chart;
Accompanying drawing 4 is Chinese fiber crops of the present invention, cotton and functional fibre blended spinning technique flow chart.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention will be further described.
Accompanying drawing 1 is the pure spinning technological process figure that spin of Chinese fiber crops of the present invention.This embodiment is the pure spinning process that spin of a kind of Chinese fiber crops, it is characterized in that: after the preliminary treatment of Chinese fiber crops, the health of Chinese fiber crops humidification are processed, select to take two comb and parallel cotton fibers prior to spinnings or two combing according to the division degree of Chinese fiber crops, be two carding process of taking more than 2200 for the division degree of Chinese fiber crops, division degree is pair combings of taking below 2200;
Described pair of carding process flow process is: A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → AO92AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine, make fiber web package → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076 single beater scutcher → FA201B carding machine → E32 strip ribbon lap machine → E62 combing machine, make Chinese fiber crops yarn → one → FA306 drawing frame two roads → FA426 Speed frames → EJM128K fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister of FA306 drawing frame;
The dual combing process is: A002D automatic blending machine → A035 mixed opener → FA022 multiple positions blender → FA106 opener → AO92AST vibrating hopper cotton feeder → A076E singles hand lapper → FA201B comb cotton strip and roll machine → E32 → E62 comber, made of hemp fiber → A771A combed automatic balers → A002D → A035 blender mix opener → FA025 multi position blender → FA106 opener → A092AST vibrating hopper cotton feeder → A076 singles hand lapper → FA201B carding → E32 strip and roll machine → E62 comber, made of hemp combed sliver → FA306 pre-and machine a → FA306 pre-and machine two Road → FA426 roving machine → EJM128K nail ring spinning or spinning frame → 21C automatic winder → RF231B winder → RF321E twister.
Accompanying drawing 2 is Chinese fiber crops of the present invention and cotton blended spinning technique flow chart: after the Chinese fiber crops pretreatment → Chinese fiber crops humidification health processing → A002D automatic plucker → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → pre-parallel operation of A076E single beater scutcher → FA201B carding machine → FA306 → E32 ribbon lap machine → E62 combing machine, make the cotton ramie blended spinning yarn, then spin spinning frame → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister through one → FA306 drawing frame two roads → FA426 fly frame → EJM128K compact spinning of FA306 drawing frame or ring nail
Accompanying drawing 3 is Chinese fiber crops of the present invention and functional fibre blended spinning technique flow chart: functional fibre is after the pre-parallel operation spinning of A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine → FA306, then carry out blending with above-mentioned Chinese bast fibre spinning yarn, through the FA306 drawing frame together → FA306 drawing frame two roads → FA306 drawing frame three roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form
Accompanying drawing 4 is Chinese fiber crops of the present invention, cotton and functional fibre blended spinning technique flow chart: functional fibre is after the pre-parallel operation spinning of A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine → FA306, then with above-mentioned Chinese fiber crops, linen-cotton spins yarn and carries out blending, through the FA306 drawing frame together → FA306 drawing frame two roads → FA306 drawing frame three roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form.
Concrete technology step of the present invention is:
1) preliminary treatment of Chinese fiber crops
According to doubling rate and the content of runner fault and the fineness of fiber of fiber, the flax fibre poor to crudy need to through 1 to 2 time licker-in release, carry out shredding with single licker-in flicking machine or bullet carding willow and process;
2) Chinese fiber crops humidification and steam numb health and process
Because of spinnability of china-hemp fibers itself poor, and fiber contains higher lignin, and for improving spinnability, fiber process factory all will carry out necessary oiling moisturizing before Chinese fiber crops become to contract out factory, we are the flexibility that further improves fiber, generally adopt two kinds of humidification Curing Methods.The one, with humidifier add wet process or spray steam moisturizing and vexed put made fiber at least in 24 hours moisture regain about 12%, the 2nd, take to steam fiber crops and process, steaming numb technique is 62 ℃ of period 1, insulation 15min, vacuum 300mbar, 75 ℃ of second rounds, insulation 25min, vacuum 450mbar.We generally take to steam numb technique to the larger kind of batch, steam the more spinnability of the more approaching cotton of softness of the rear fiber of fiber crops.
3) Chinese fiber crops premix and mixed cotton
All to carry out the cotton that is mixed of necessity for Chinese fiber crops and the combed yarn of cotton blending, when reducing spinning cost, guarantee yarn quality, mix and generally take the bale of cotton to mix, mix us and adopt with an A002D automatic plucker and carry out in advance a premixed for making, then further mix at cotton cleaning process again through the packing of A771A baling press.And the content of flax fibre is higher in the noil of comb and parallel cotton fibers prior to spinning and combing, suitably improves the ratio of flax fibre when therefore distributing cotton, and generally improves 5-10%.
4) cotton cleaning process, reduces rolling tension force, improves workshop humidity pipeline modification, hired roughneck's reduction of speed
Cotton cleaning process is shredding, removal of impurities, mixing rolling, Chinese hemp spinning yarn or cotton ramie blended spinning cotton cleaning process are through A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, for reducing the damage of fiber, reduce each hired roughneck's speed, change the porcupine hired roughneck into kirschner beater; Functional fibre spinning cotton cleaning process is through A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, to the transformation of functional fibre by pipeline, change a road into and directly skip A035 mixed cotton slitter, FA025 multi-mixer, air exercise hand strap wheel is transformed, make the Beater Speed of FA106 opener reduce to 385-420r/min by 480r/min, comprehensive Beater Speed is reduced to 750-850r/min; With the sealing of hired roughneck's dirt rod, reduce the rate that falls; For the relative humidity that guarantees lap moisture regain cotton cleaning process is controlled at 68-73%, humidifier is installed simultaneously above griping cotton machine; For reducing the cotton layer tension force of lapper, avoid cotton layer to break, change the gear of rolling roller into 38 teeth by 37 teeth, the time tension draft reduce 2.5%.
5) carding step, reasonable selection card clothing, adjusting process space, transform the roller transmission, use the apron stripping, guarantee that slivering is fluffy, dust filtering fan strengthens
Carding step is doubling and the runner that combing mixes and remove part, heighten the rate of transform of fiber, the speed ratio of cylinder licker-in is 2.2, adjust the cylinder speed 360r/min of cotton fiber, adjust the cylinder speed 330r/min of functional fibre, cylinder flat spaces 12,11,10,10,11(1/1000 "); very the cylinder of cotton ramie blended spinning does not adopt and spins cotton Bearded-needle knitted cloth; usefulness be the AC2030*1540 type; functional fibre is with the Bearded-needle knitted cloth that spins chemical fibre; adopt the AC2525*1850 type, flat-clothing is selected MC ZH28 type; The controlled 7-8% of the rate that always falls of carding step; For guaranteeing that junk in time siphons away, change original dust filtering fan into 30kw by 22KW, improve filter dirt air quantity.
Tension draft for the higher yarn comb and parallel cotton fibers prior to spinning of pure Chinese fiber crops or Chinese fiber crops ratio is little, will change 22 teeth into by 21 teeth to the travelling gear of cotton roller, reduces 4.5% for cotton sheet power, is to guarantee slivering, comb and parallel cotton fibers prior to spinning employing apron stripping.
6) pre-drawing volume operation improves combined roots, transforms draft gear, reduces the total draft multiple, reduces rolling speed, adjusts tension force everywhere
Pre-and operation mainly is to improve combined roots to functional fibre, reduces weight unevenness.Generally take 8 and close, larger first break draft reduces the total draft multiple as far as possible, to reduce the fiber crops grain of combing.
Bar is also rolled up operation and also will be reduced the total draft multiple, the total draft change gear that we also roll up the E32 bar has simultaneously carried out transforming makes the total draft multiple reduce to 1.43 times by 1.56 times, because of the cohesive force of ramie stripes relatively poor, easily produce the slippage drawing-off of fiber, so drawing-off everywhere is little, and it is smooth to close table top, and rolling speed is not more than 80m/min.
7) combing process is transformed dust-filtering system, guarantees that junk separates, change cylinder tooth is close, is guaranteed abundant combing
Combing process mainly is to get rid of staple fibre, guarantees the short fiber content of sliver, and the rate general control that falls of combing also wants large at 16-18% to the higher kind linters rate of Chinese fiber crops ratio, is controlled at 18-25%; Reduce the tension draft of combing table top and the tension draft of feeding from lap, boundling bell mouth suitably strengthens.
For spin simultaneously cotton textiles and the Chinese fiber crops blending kind the time, junk to be carried out fully and separate, share will transforming the filter dirt of combing of same combing dust-filtering system for two kinds, we have added again the one-level disc filtration device with original combing filter dirt at the inlet box place, and the rotating speed of raising disk suction nozzle, guarantee the normal noil of inhaling.
Be difficult to enter drafting system for pure Chinese fiber crops kind because of it behind carding, sliver is very easily broken.Therefore the product of pure Chinese fiber crops is preferably adopted the combing machine of domestic A201 type.The tooth that strengthens cylinder is close, guarantee cylinder density 35000 red more than, top comb insertion depth 0.2mm, carding isolation distance 0.3mm guarantees web quality.
8) and unskilled workman's order, roller special treatment, speed variable frequency control, the twist suitably improve
And unskilled workman's order will be carried out special treatment to roller, generally take the lacquer coating of black to process, reduce the total draft multiple, rove will reduce tension force as far as possible, and ingot speed suitably lowers, generally be no more than 650r/min, we change frequency control into by the belt wheel speed governing part board of mixing in doubling step, according to the characteristic of the easy moisture absorption of flax fibre, control well and the relative humidity of unskilled workman's order, generally control by 65-70%, in case of necessity humidifier will be installed.The speed of drafting will reduce, and is generally less than 150m/min.The package of rove is little, and the twist factor of rove generally improves about 20% than cotton.
9) spinning process, the ingot prompt drop is low, transform the suction negative pressure, add that high draft spaces, improves into twist per unit, roller coating is processed
The ingot speed of spinning process will reduce, and pure numb kind is no more than 8000r/min, low kind ingot speed improvement value 10000-12000r/min; The twist factor of spun yarn designs by 400-450, suitably strengthens roller gauge, than the large 4-6mm of cotton, adopts larger spacing block to avoid out hardhead; The frequency of the negative-pressure air fan of raising compact spinning is for to press more than the 60HZ, negative-pressure air fan is changed in case of necessity, to use rarer tightening weave net ring, the blower fan of suction tube also will strengthen, reduce spinning end breaking, the steel traveler of spun yarn will be used the wide cast in yarn path, steel traveler that can 6903 or 6802 types, and rings adopts bearing steel rings.
For avoiding flax fibre to sneak into other yarns, reduce three, to carry out isolation with textile kind to Chinese fiber crops kind.
10) adjustment of winder thresholding, speed suitably reduce, guarantee to twist with the fingers the knot quality, increase the pneumatics board
Because fiber crops grain and the slubbing of the yarn of numb blending itself are higher, the winder broken end is higher, therefore reduces winding speed, adjusts the Clearing Curve of winder; The Clearing Curve of winder suitably loosens than textile kind simultaneously; Concrete thresholding setting range N rugosity 300-450%; S rugosity 200-300%, length 2.5-4cm; Long thick L rugosity 40-60%, length 20-30cm, long thin T rugosity-40～-60%, length 20-35cm; Yarn speed is not more than 1200m/min; Will guarantee simultaneously to twist with the fingers the knot strength retention and be not less than 80%, guarantee the sth. made by twisting knot air pressure of gas sth. made by twisting knot, the total admission pressure of bobbin winder is not less than 0.65Mpa; Increased by 2 screw platform air compressor machines, the workshop increases the air accumulator product for this reason.
11) doubling powers on, and device, excision harmful yarn defect, double twisting are controlled tension force clearly
We have all gone up the dynamo-electric clear device of automatic winding of Chang Ling the doubling operation, and the clearing thresholding is suitably adjusted, and guarantee to excise harmful yarn defect, suitably alleviate tension piece weight, and reduce doubling speed; Concrete thresholding setting range N rugosity 250-350%; S rugosity 180-300%, length 2.5-4cm; Long thick L rugosity 50-80%, length 20-30cm, long thin T rugosity-30～-60%, length 20-35cm, the tension piece grams is pressed 12-22g for the yarn of 18-22tex, the yarn of 14-16tex is pressed 10-16g, for adjusting by 5-8g below the 12tex, yarn speed 250-450m/min, when the double twisting operation will be guaranteed the large yarn of yarn angle of contact of twisting plate between 180-270 °, ingot speed 6000-9000r/min, tensile spring 0.26mm, tension pipe scale 1-5, air ring scale 4, winding tension scale 1-2.5, the twist is lower than the yarn below 50 of 50 sth. made by twisting/10cm without straining pulley.
Difficult point in the production and the problem that should be noted:
1) strengthens corrective maintenance
Because of the china-hemp fibers fineness thicker, and the content of lignin height in the fiber everywhere wounded laying dust is serious, and larger to the carding needle cloth damage, therefore to suitably shorten the maintenance cycle of carding device, we changed the car cycle of wiping of comb and parallel cotton fibers prior to spinning into 10 days by original 15 days, and the replacement cycle of domestic card clothing changed 12 months into by 18 months.Spinning process is because of various functional fibres and the blending of Chinese fiber crops, and drafting force is serious to the roller damage greatly, and the mill cycle of returning of roller shortens, and arranges every day the inspection of special messenger's chartered plane to change roller.The grid ring of compact spinning board is very easily stopped up because of the impact of the stickum of flax fibre, and needs carried out careful wiping cleaning to grid ring in per 7 days.
2) content that will test various fibers reaches standard
Content's index to fiber is strictly controlled, purchased specially a fibre fineness instrument that is used for YG (B) 002 (CH-2) type of test fiber content, fiber is tested at 500 times microscopically according to the form of fiber and the proportion of fiber, every kind test is not less than 2 times weekly, test method is carried out according to the regulation of FZ/T 30003-2009, makes the fiber content index meet the regulation of FZ/T 01053-2007.
The invention has the beneficial effects as follows: the yarn count bar that 1) spins is done index and is greatly improved.To do index be 22 to bar during such as the kind of 65 cotton 35 Chinese fiber crops CPT40S, adopt of the present invention dried be 16.5, fracture strength also brings up to present 17.5 by original 14.5.2) row yielding of flax fibre is greatly improved.General combing kind row yielding only has the row yielding of the pure gunny products of 55%(to only have 30%), the row yielding of flax fibre also is increased to 40% with the row yielding of bringing up to the pure gunny products of 67%(behind employing the present invention).The row yielding of functional fibre brings up to present 96% by original 90%.3) kind of product presents variation.The present invention can prepare the kind of the series how wide in variety such as fiber crops are washed wool, model, day silk, bamboo Dai Er, coloured viscose glue, look cotton, look numb, better meets client's multiple demand.
Embodiment 1:The pure spinning process (CPT36S/1, the concrete technology parameter sees Table 1) that spins of Chinese fiber crops.
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Embodiment 2: Chinese fiber crops and cotton blended spinning technique (65 long/35 Chinese fiber crops cpt80s, the concrete technology parameter sees Table 2).
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Embodiment 3:Chinese fiber crops and functional fibre blended spinning technique (Chinese fiber crops 50/ model 50CPT40S, the concrete technology parameter sees Table 3).
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Embodiment 4:Chinese fiber crops, cotton and functional fibre blended spinning technique (cotton 74 Chinese fiber crops, 20 black viscose glue 6JC54S+50D chinlon filaments, the concrete technology parameter sees Table 4).
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Adopt the resultant yarn index of the spinning finished product of the present invention's preparation:
Claims (5)
1. the pure spinning process that spins of Chinese fiber crops, it is characterized in that: after the preliminary treatment of Chinese fiber crops, the health of Chinese fiber crops humidification are processed, select to take two comb and parallel cotton fibers prior to spinnings or two combing according to the division degree of Chinese fiber crops, be two carding process of taking more than 2200 for the division degree of Chinese fiber crops, division degree is pair combings of taking below 2200;
Described pair of carding process flow process is: A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → AO92AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine, make fiber web package → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076 single beater scutcher → FA201B carding machine → E32 strip ribbon lap machine → E62 combing machine, make Chinese fiber crops yarn → one → FA306 drawing frame two roads → FA426 Speed frames → EJM128K fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister of FA306 drawing frame;
The dual combing process is: A002D automatic blending machine → A035 mixed opener → FA022 multiple positions blender → FA106 opener → AO92AST vibrating hopper cotton feeder → A076E singles hand lapper → FA201B comb cotton strip and roll machine → E32 → E62 comber, made of hemp fiber → A771A combed automatic balers → A002D → A035 blender mix opener → FA025 multi position blender → FA106 opener → A092AST vibrating hopper cotton feeder → A076 singles hand lapper → FA201B carding → E32 strip and roll machine → E62 comber, made of hemp combed sliver → FA306 pre-and machine a → FA306 pre-and machine two Road → FA426 roving machine → EJM128K nail ring spinning or spinning frame → 21C automatic winder → RF231B winder → RF321E twister.
2. Chinese fiber crops blended spinning technique, it is characterized in that: with the preliminary treatment of Chinese fiber crops, after the health of Chinese fiber crops humidification is processed, directly Chinese fiber crops cotton is carried out premix and mixed cotton, behind the A002D automatic plucker → A771A baling press → A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → pre-parallel operation of A076E single beater scutcher → FA201B carding machine → FA306 → E32 strip ribbon lap machine → E62 combing machine, make the cotton ramie blended spinning yarn, again through the FA306 drawing frame together → FA306 drawing frame two roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form.
3. a kind of Chinese fiber crops blended spinning technique according to claim 1 and 2, it is characterized in that: with functional fibre after the pre-parallel operation of A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher → FA201B carding machine → FA306 spinning, then spin yarn with above-mentioned Chinese fiber crops or linen-cotton and carry out blending, through the FA306 drawing frame together → FA306 drawing frame two roads → FA306 drawing frame three roads → FA426 Speed frames → EJM128K compact spinning or ring nail spin fine spining machine → 21C automatic winder → RF231B doubling winder → RF321E two-for-one twister and spin and form.
4. pure the spinning or blended spinning technique of arbitrary described a kind of Chinese fiber crops according to claim 1-3 is characterized in that its concrete technology step is as follows:
1) Chinese fiber crops preliminary treatment
According to doubling rate and the content of runner fault and the fineness of fiber of fiber, to crudy poor flax fibre with single licker-in flicking machine or play the licker-in release that carding willow carries out 1 to 2 time and process;
2) health of Chinese fiber crops humidification is processed
China-hemp fibers is carried out the humidification health processes, with humidifier add wet process or spray steam moisturizing and vexed put made fiber at least in 24 hours moisture regain at 11-14%;
3) Chinese fiber crops premix and mixed cotton
Combed yarn for Chinese fiber crops and cotton blending all will carry out the necessary cotton that is mixed, and mixes and takes bale of cotton hybrid mode, carries out in advance a premixed with an A002D automatic plucker, then further mixes at cotton cleaning process through the packing of A771A baling press again; Improve the ratio 5-10% of flax fibre when distributing cotton in prescription;
4) cotton cleaning process
Cotton cleaning process is shredding, removal of impurities, mixing rolling, Chinese hemp spinning yarn or cotton ramie blended spinning cotton cleaning process are through A002D automatic plucker → A035 mixed cotton slitter → FA025 multi-mixer → FA106 opener → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, for reducing the damage of fiber, reduce each hired roughneck's speed, change the porcupine hired roughneck into kirschner beater, the Beater Speed of FA106 opener is reduced to 385-420r/min by 480r/min; Functional fibre spinning cotton cleaning process is through A002D automatic plucker → FA106 opener → A006B cotton blender machine → A092AST vibrating cotton box cotton feeding → A076E single beater scutcher, to the transformation of functional fibre by pipeline, change a road into and directly skip A035 mixed cotton slitter, FA025 multi-mixer and FA106 opener, air exercise hand strap wheel is transformed, and makes comprehensive Beater Speed reduce to 750-850r/min; With the sealing of hired roughneck's dirt rod, reduce the rate that falls; For the relative humidity that guarantees lap moisture regain cotton cleaning process is controlled at 68-73%, humidifier is installed simultaneously above griping cotton machine; For reducing the cotton layer tension force of lapper, avoid cotton layer to break, change the gear of rolling roller into 38 teeth by 37 teeth, make tension draft reduce 2.5%;
5) carding step
Carding step is doubling and the runner that combing mixes and remove part, heighten the rate of transform of fiber, the speed ratio of cylinder licker-in is 2.2, adjust the cylinder speed 360r/min of cotton fiber, adjust the cylinder speed 330r/min of functional fibre, cylinder flat spaces 12,11,10,10,11(1/1000 "); very the cylinder of cotton ramie blended spinning does not adopt and spins cotton Bearded-needle knitted cloth; usefulness be the AC2030*1540 type; functional fibre is with the Bearded-needle knitted cloth that spins chemical fibre; adopt the AC2525*1850 type, flat-clothing is selected MC ZH28 type; The controlled 7-8% of the rate that always falls of carding step; For guaranteeing that junk in time siphons away, change original dust filtering fan into 30kw by 22KW, improve filter dirt air quantity;
Tension draft for the higher yarn comb and parallel cotton fibers prior to spinning of pure Chinese fiber crops or Chinese fiber crops ratio is little, will change 22 teeth into by 21 teeth to the travelling gear of cotton roller, reduces 4.5% for cotton sheet power, is to guarantee slivering, comb and parallel cotton fibers prior to spinning employing apron stripping;
6) pre-drawing volume operation
Pre-and operation mainly is to improve combined roots to functional fibre, reduces weight unevenness; Take 8 and close, larger first break draft reduces the total draft multiple as far as possible, to reduce the fiber crops grain of combing;
Bar is also rolled up operation and also will be reduced the total draft multiple, simultaneously the total draft change gear of E32 strip ribbon lap machine is transformed, make the total draft multiple reduce to 1.43 times by 1.56 times, because of the cohesive force of ramie stripes relatively poor, easily produce the slippage drawing-off of fiber, so drawing-off everywhere is little, and it is smooth to close table top, and rolling speed is not more than 80m/min;
7) combing process
Combing process mainly is to get rid of staple fibre, guarantee the short fiber content of sliver, the rate that falls of combing is controlled at 16-18%, and the higher kind linters rate of Chinese fiber crops ratio is controlled at 18-25%, reduce the tension draft of combing table top and the tension draft of feeding from lap, boundling bell mouth suitably strengthens;
For spin simultaneously cotton textiles and the Chinese fiber crops blending kind the time, junk to be carried out fully and separate, share will transforming the filter dirt of combing of same combing dust-filtering system for two kinds, original combing filter dirt has been added again the one-level disc filtration device at the inlet box place, and the rotating speed of raising disk suction nozzle, guarantee the normal noil of inhaling;
Be difficult to enter drafting system for pure Chinese fiber crops kind because of it behind carding, sliver is very easily broken; Therefore can adopt the combing machine of domestic A201 type to the product of pure Chinese fiber crops, the tooth that strengthens cylinder is close, guarantees cylinder density more than 35000 teeth, top comb insertion depth 0.2mm, and carding isolation distance 0.3mm guarantees web quality;
8) and unskilled workman's order
And unskilled workman's order will be carried out special treatment to roller, take the lacquer coating of black to process, reduce the total draft multiple as far as possible, rove will reduce tension force, ingot speed suitably lowers, be no more than 650r/min, the part board of mixing in doubling step changes frequency control into by the belt wheel speed governing, according to the characteristic of the easy moisture absorption of flax fibre, controlling well also, the relative humidity of unskilled workman's order is 65-70%, in case of necessity humidifier will be installed, the speed of drafting will reduce, less than 150m/min; The package of rove is little, and the twist factor of rove improves 20% than cotton;
9) spinning process
The ingot speed of spinning process will reduce, and pure numb kind is no more than 8000r/min, low kind ingot speed improvement value 10000-12000r/min; The twist factor of spun yarn designs by 400-450, suitably strengthens roller gauge, than the large 4-6mm of cotton, adopts larger spacing block to avoid out hardhead; The frequency of the negative-pressure air fan of raising compact spinning is for to press more than the 60HZ, negative-pressure air fan is changed in case of necessity, to use rarer tightening weave net ring, the blower fan of suction tube also will strengthen, reduce spinning end breaking, the steel traveler of spun yarn will be used the wide cast in yarn path, can select the steel traveler of 6903 or 6802 types, and rings adopts bearing steel rings; For avoiding flax fibre to sneak into other yarns, reduce three, to carry out isolation with textile kind to Chinese fiber crops kind;
10) winding procedure
Because fiber crops grain and the slubbing of the yarn of numb blending itself are higher, the winder broken end is higher, therefore reduces winding speed, adjusts the Clearing Curve of winder; The Clearing Curve of winder suitably loosens than textile kind simultaneously; Concrete thresholding setting range N rugosity 300-450%; S rugosity 200-300%, length 2.5-4cm; Long thick L rugosity 40-60%, length 20-30cm, long thin T rugosity-40～-60%, length 20-35cm; Yarn speed 1200m/min; Will guarantee simultaneously to twist with the fingers the knot strength retention and be not less than 80%, guarantee the sth. made by twisting knot air pressure of gas sth. made by twisting knot, the total admission pressure of bobbin winder is not less than 0.65Mpa; Increased by 2 screw platform air compressor machines, the workshop increases the air accumulator product for this reason;
11) doubling double twisting operation
The doubling operation adopts the automatic winder electronic yarn clearer, and the clearing thresholding is suitably adjusted, and guarantees to excise harmful yarn defect, suitably alleviates tension piece weight, and reduces doubling speed; Concrete thresholding setting range N rugosity 250-350%; S rugosity 180-300%, length 2.5-4cm; Long thick L rugosity 50-80%, length 20-30cm, long thin T rugosity-30～-60%, length 20-35cm, the tension piece grams is pressed 12-22g for the yarn of 18-22tex, the yarn of 14-16tex is pressed 10-16g, for adjusting by 5-8g below the 12tex, yarn speed 250-450m/min, when the double twisting operation will be guaranteed the large yarn of yarn angle of contact of twisting plate between 180-270 °, ingot speed 6000-9000r/min, tensile spring 0.26mm, tension pipe scale 1-5, air ring scale 4, winding tension scale 1-2.5, the twist is lower than the yarn below 50 of 50 sth. made by twisting/10cm without straining pulley.
5. pure the spinning or blended spinning technique of a kind of Chinese fiber crops according to claim 4, it is characterized in that step 2) in or take to steam numb technique and china-hemp fibers is carried out the humidification health process, steaming numb technique is 62 ℃ of period 1, insulation 15min, vacuum 300mbar, 75 ℃ of second rounds, insulation 25min, vacuum 450mbar.
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