CN100354460C - Semi-continuous centrifugal spinning process - Google Patents
Semi-continuous centrifugal spinning process Download PDFInfo
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- CN100354460C CN100354460C CNB2006100205878A CN200610020587A CN100354460C CN 100354460 C CN100354460 C CN 100354460C CN B2006100205878 A CNB2006100205878 A CN B2006100205878A CN 200610020587 A CN200610020587 A CN 200610020587A CN 100354460 C CN100354460 C CN 100354460C
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Abstract
The present invention discloses a semi-continuous centrifugal spinning process by which three thread strips are simultaneously spun at one spindle position. The present invention has the specific technical scheme as follows: three thread strips travel simultaneously at one spindle position; A) in the process of adhesive preparation, the NH4Cl value of the ripening degree of adhesive is controlled within the range from 8.8 to 13 ml, the surface tension is within the range from 40 to 52 dny, the number os steam bubbles is not more than 25 every 500 ml, and the particle number is controlled to be not more than 100 every 10 mu m in each milliliter of adhesive after the adhesive is filtered for three times (IIIF) by a candle filter; B) in the process of coagulating bath, the adhesive is ejected out by spinnerets and then reacts with acid bath so as to form thread strips, wherein the temperature interval of the acid bath is from 52 to 55 DEG C, the sulfuric acid concentration of the acid bath is from 132 to 136 grams per liter, the concentration of sodium sulfate is from 220 to 265 grams per liter, the surface tension of the acid bath is smaller than that of the adhesive, and the specific gravity of the acid bath is not more than 1.265 grams per milliliter. The present invention can realize the purpose of spinning three threads at each spindle position under the conditions of meeting the quality requirements but not increasing the operation cost as well as the floor area.
Description
Technical field:
The present invention relates to the viscose filament yarn production field, particularly a kind of semi-continuous centrifugal spinning process that on an ingot position of semi-continuous centrifugal spinning machine, spins three rhizoids simultaneously.
Background technology:
Present as R535A, R535B semi-continuous centrifugal spinning machine, spin measuring pump of the former design and installation of face, a spinning head according to the every ingot of its standard instruction for mounting position, the utilization ratio of its equipment is low, the production cost height.When expanding the scale of production, can only solve by increasing the table of equipment number, investment is big, and floor space is big, and relevant auxiliary facility is many.
Chinese patent disclosed a kind of " many centrifugal cylinders of the every ingot of semi-continuous centrifugal spinning machine and control structure thereof " (patent No. is 00245222.7) and " the single channel multifibres is centrifugal to be spun and semi-continuous spinning machine and viscose spinning process thereof " (patent No. is CN00132054.8), it has provided the structure that the every ingot of a kind of semi-continuous centrifugal spinning machine position spins two rhizoids simultaneously in fact, this design philosophy is: on two electric ingot supports arranged side by side, every is equipped with six electric ingots and supporting centrifugal cylinder, causes corresponding a plurality of centrifugal cylinders in every ingot position and supporting electric ingot.
ZL200420061123.8 has proposed to be applicable to that viscose filament yarn one ingot position spins three semi-continuous centrifugal spinning machine simultaneously, but this spinning machine structure is people's silk product that can't obtain to satisfy client's quality requirement with the spinning technique of R535A, R535B spinning machine.After viscose glue will form three rhizoid bars, reaction, coiling on the ingot position, form three spinning cakes, the strand that solidifies in this process on roller and the acid removing roller becomes three by one or two, owing to solidify the variation of strand density on roller and the acid removing roller, will impact the physical property of strand coagulation reaction time, strand disacidify time, strand etc.If adopt three spinning heads, three cover funnel stands, centrifugal cylinder, electric ingot simply on the basis of an ingot monofilament and an ingot mariages, after each ingot position is increased to three rhizoid bars, if still adopt original technology and parameter thereof, in the whole process route, the adhering process of three rhizoid bars, acid bath index, solidify requirement or the like and all can't obtain up-to-standard strand.Scrape in addition that acid requires, the wire route also has problems, and will cause the strand doubling, strand can't meet the quality requirement, and the spinning operation difficulty is big, and it is also inhomogeneous to dye.These all are that semi-continuous centrifugal spinning machine existing structure designs indeterminable problem.
Therefore, present semi-continuous centrifugal spinning process can't directly spin three rhizoids under the condition that satisfy the spinning cake quality simultaneously on an ingot position, if will reach the purpose of three on an ingot, must do bigger improvement to technology.
Summary of the invention:
The purpose of this invention is to provide a kind of semi-continuous centrifugal spinning process that can really realize spinning simultaneously on the ingot position three rhizoid bars, adopt the present invention, can satisfy quality requirement and not increase under the situation of operating cost and floor space, realize that every ingot position spins the purpose of three rhizoids simultaneously.
Concrete technical scheme of the present invention is as follows:
A kind of semi-continuous centrifugal spinning process, ingot position have the walking of three rhizoid bars simultaneously, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding, it is characterized in that:
In A, the glue operation, viscose ripening degree NH
4The Cl value is controlled at 8.8~13ml, and surface tension is 40~52dny, steam bubble number≤25/500ml, and viscose glue population after three roads filter (IIIF), candle shape filter is controlled at every milliliter of viscose glue≤100/below the 10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 52~55 ℃ of its acid bath temperature, the sulfuric acid concentration of acid bath is (132-136) g/l, sodium sulfate concentration is (220~265) g/l, the acid bath surface tension is less than the viscose glue surface tension, acid bath proportion≤1.265g/ml;
In the described strand drafting process, adopt positive and negative drawing-off-2~25%;
In the described spinning cake coiling and molding operation, it is acid that spinning cake is, PH :≤4.
Described strand solidify in the operation on solidify roller length 230mm, down solidify roller length 280mm, it is several 27 ± 8 to solidify the roller wire ring, solidifies roller flight lead 5-10mm; Last acid removing roller length 870mm in the strand disacidify operation, following acid removing roller length 890mm, acid removing roller wire ring number: interior 72 ± 5, in, outer 85 ± 8, acid removing roller flight lead 5-10mm.As solidifying roller, acid removing roller length variations, the wire ring number changes.
Beneficial effect of the present invention shows:
Semi-continuous centrifugal spinning process that the present invention is given and the spinning machine that is complementary have solved in the past unsolved concrete technical problem in three imaginations of an ingot.Adopt the present invention after each ingot position is increased to three rhizoid bars, this three rhizoids bar keeps relative position, not doubling, and the strand quality is good.And because the parameter of the parameter of viscose glue, acid bath, solidify roller wire ring number, solidify the roller flight lead, acid removing roller wire ring number, acid removing roller flight lead determine that make spinning more reliable, stable, operability is good, good, the follow-up Color of spinning cake quality is good.Adopt the present invention could really be implemented in the purpose that directly spins three rhizoids under the condition that satisfies the spinning cake quality on an ingot position simultaneously, comparing output with an ingot monofilament under the prerequisite of ensuring the quality of products increases by 200%, and comparing output with an ingot mariages increases by 50%.
Description of drawings:
Fig. 1 is for using the transversary schematic diagram that spinning machine acid removing roller tail end of the present invention adopts thread guide mechanism
Fig. 2 adopts the fixing transversary schematic diagram of tail end for using spinning machine acid removing roller tail end of the present invention
Fig. 3 is the acid scrapping device structural representation, and wherein a is that figure is partly cutd open in the front, and b is left side figure, and c is the A-A profile
The specific embodiment:
Embodiment 1
A kind of semi-continuous centrifugal spinning process, ingot position three a rhizoid bars walking, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding.
Viscose glue is through filtering in the viscose glue before spinning than macroparticle; Three independently metering units are adopted in the viscose glue metering; Measure in the viscose glue after measure by the candle shape filter filtration back than small-particle; Every ingot position is provided with three spinning heads, and the viscose glue of ejection is reacted with acid bath respectively; Acid bath in the acid bath groove is frozen into monofilament with the viscose glue of spinning head ejection; Scrape acid with acid scrapping device and keep certain silk to go up bath, and the acid bath of striking off is drained on one side; Scrape strand after the acid by the positive and negative drawing-off of drawing-off dish to solidifying roller, strand continues Hirschfeld-Klinger reaction, carries out the branch silk by a minute silk device and keeps the three rhizoid bars acid removing roller disacidify of walking at a certain distance; Branch silk comb is set, the not doubling of relative distance that keeps acid removing roller end strand on the acid removing roller strand track route; The outer end strand of inner end two rhizoid bars and the guiding of employing thread guide mechanism is controlled the electric ingot start-stops of three electric ingot switches control centrifugal cylinders respectively through three spinning cakes of formation in the centrifugal cylinder of lifting funnel high speed rotation in drum by a control one or one control two or on the acid removing roller.
Embodiment 2
A kind of semi-continuous centrifugal spinning process, ingot position three a rhizoid bars walking, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding:
In A, the glue operation, viscose ripening degree NH
4The Cl value is controlled at 8.8~13ml, and surface tension is 40~52dny, steam bubble number≤25/500ml, and viscose glue population after three roads filter (IIIF), candle shape filter is controlled at every milliliter of viscose glue≤100/below the 10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 52~55 ℃ of its acid bath temperature, the sulfuric acid concentration of acid bath is (132-136) g/l, sodium sulfate concentration is (220~265) g/l, the acid bath surface tension is less than the viscose glue surface tension, acid bath proportion≤1.265g/ml;
In C, the strand drafting process, adopting positive and negative drawing-off is stretching-2~25%;
In D, the spinning cake coiling and molding operation, it is acid that spinning cake is, PH :≤4.
Embodiment 3
A kind of semi-continuous centrifugal spinning process, in the glue operation, viscose ripening degree N
4The HCl value is 11ml, and surface tension is 48dny, steam bubble number≤25/500ml, and viscose glue population after three roads filter (IIIF), candle shape filter is controlled at every milliliter of viscose glue≤100/below the 10 μ m.
Embodiment 4
A kind of semi-continuous centrifugal spinning process, in the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 55 ℃ of its acid bath temperature, the sulfuric acid concentration of acid bath is 135g/l, and sodium sulfate concentration is 220g/l, and the acid bath surface tension is less than viscose glue surface tension 10dny.
Embodiment 5
A kind of semi-continuous centrifugal spinning process, in the strand drafting process, adopting the malleation drawing-off is stretching 15%.
Embodiment 6
A kind of semi-continuous centrifugal spinning process, in spinning cake coiling and molding operation, it is acid that spinning cake is, PH:1.8.
Embodiment 7
A kind of semi-continuous centrifugal spinning process, ingot position three a rhizoid bars walking, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding:
In A, the glue operation, viscose ripening degree NH
4The Cl value is controlled at 9.0ml, and surface tension is 40dny, the several 25/500ml of steam bubble, and viscose glue population after three roads filter (IIIF), candle shape filter is every milliliter of viscose glue 100/10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 52 ℃ of its acid bath temperature, the sulfuric acid concentration of acid bath is 132g/l, sodium sulfate concentration is 260g/l, and the acid bath surface tension is less than viscose glue surface tension 5dny, acid bath proportion 1.265;
In C, the strand drafting process, adopting negative drawing-off is stretching-2%;
In D, the spinning cake coiling and molding operation, it is acid that spinning cake is, PH≤2.
Embodiment 8
A kind of semi-continuous centrifugal spinning process, ingot position three a rhizoid bars walking, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding:
In A, the glue operation, viscose ripening degree NH
4The Cl value is 12.5ml, and surface tension is 52dny, the several 16/500ml of steam bubble, and viscose glue population after three roads filter (IIIF), candle shape filter is below every milliliter of viscose glue 80/10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 55 ℃ of its acid bath temperature, and the sulfuric acid concentration of acid bath is 135g/l, and sodium sulfate concentration is 260g/l, and the acid bath surface tension is less than viscose glue surface tension 10dny;
In C, the strand drafting process, adopting positive drawing-off is stretching 25%;
In D, the spinning cake coiling and molding operation, it is acid that spinning cake is, PH≤1.2.
Embodiment 9
A kind of semi-continuous centrifugal spinning process, ingot position three a rhizoid bars walking, its operation comprises glue, viscose glue metering, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding:
In A, the glue operation, viscose ripening degree NH
4The Cl value is 9.8ml, and surface tension is 50dny, the several 20/500ml of steam bubble, and viscose glue population after three roads filter (IIIF), candle shape filter is controlled at below every milliliter of viscose glue 85/10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 54 ℃ of its acid bath temperature, and the sulfuric acid concentration of acid bath is 134g/l, and sodium sulfate concentration is 230g/l, and the acid bath surface tension is less than viscose glue surface tension 8dny;
In C, the strand drafting process, adopting positive drawing-off is stretching 15%;
In D, the spinning cake coiling and molding operation, it is acid that spinning cake is, PH≤1.9.
Embodiment 10
Use a kind of semi-continuous centrifugal spinning machine of the present invention, comprise viscose glue measuring pump, spinning head, reactor, acid scrapping device, branch silk device, divide the silk comb, solidify roller, acid removing roller, funnel stand, drum, electric ingot, centrifugal cylinder, electric ingot switch, described measuring pump is that one-in-and-one-out or advances two go out measuring pump or and advance three and go out measuring pump, and adopts three independently metering units; Described acid scrapping device is that cylinder has ring-shaped groove, and the special-shaped acid scrapping device in that one or more drainage diagonal bars are arranged along the axis plane of symmetry is installed on and solidifies up and down between the roller; Solidify between roller and the acid removing roller there being at least three branch silk devices to be installed on the cylinder with upper comb dent; There are being at least three branch silk combs to be installed between acid removing roller and the following acid removing roller on the cylinder with upper comb dent; Electric ingot and the centrifugal cylinder and supporting drum, drum lid, drum pallet, funnel, funnel stand, electric ingot flat board, electric ordering box, electric ingot switch and the air draft sub-assembly of three correspondences vertically are installed on ingot position, described funnel stand is installed on the lifting column, and three funnels are installed on each funnel stand simultaneously; Described drum is a chain of three drums, and promptly three drums side by side are connected as a single entity.
Embodiment 11
The foregoing description 10 described spinning machines are equipped with thread guide mechanism between acid removing roller and the funnel, and this thread guide mechanism is connected by many dangle arms and godet roller or traveller and forms.
Embodiment 12
The foregoing description 10 described spinning machines, the acid removing roller tail end is provided with fixture, and this fixture and acid removing roller transmission case body constitute acid removing roller two ends fixed mechanism.Fixture can be similar devices such as the bearing block fixing with frame or body of wall, axle sleeve.
Embodiment 13
Drawing-off dish diameter phi 145~φ 160mm; Solidify roller length 230mm on described, down solidify roller length 280mm, it is several 27 ± 8 to solidify the roller wire ring, solidifies roller flight lead 5-10mm; Last acid removing roller length 870mm, following acid removing roller length 890mm, acid removing roller wire ring number: interior 72 ± 5, in, outer 85 ± 8, acid removing roller flight lead 5-10mm.As solidifying roller, acid removing roller length variations, the wire ring number changes.
Embodiment 14
As shown in the figure: an ingot position of the present invention is meant every rhizoid bar, through measuring pump, fork, candle filter, curved tube, spinning head, solidify the zone at the route place that roller, upper and lower acid-removing roller walk up and down.
Above-mentioned " ingot " i.e. " ingot position ", i.e. a pair of roller, the pairing spinning production of the acid removing roller position of solidifying in the spinning equipment, and per 6 ingot positions are a district.
Claims (4)
1, a kind of semi-continuous centrifugal spinning process, an ingot position has the walking of three rhizoid bars simultaneously, its operation comprises the metering of glue, viscose glue, filters, spray silk, coagulating bath, scrape that acid, strand drawing-off, strand are solidified, strand disacidify, spinning cake coiling and molding, it is characterized in that:
In A, the glue operation, viscose ripening degree NH
4The Cl value is controlled at 8.8~13ml, and surface tension is 40~52dny, steam bubble number≤25/500ml, and viscose glue population after three roads filter (IIIF), candle shape filter is controlled at every milliliter of viscose glue≤100/below the 10 μ m;
In B, the coagulating bath operation, viscose glue is reacted with acid bath by the spinning head ejection and forms strand, 52~55 ℃ of its acid bath temperature, the sulfuric acid concentration of acid bath is (132-136) g/l, sodium sulfate concentration is (220~265) g/l, the acid bath surface tension is less than the viscose glue surface tension, acid bath proportion≤1.265g/ml.
2, a kind of semi-continuous centrifugal spinning process according to claim 1 is characterized in that: in the described strand drafting process, adopt positive and negative drawing-off-2~25%.
3, a kind of semi-continuous centrifugal spinning process according to claim 1 and 2 is characterized in that: in the described spinning cake coiling and molding operation, it is acid that spinning cake is, PH :≤4.
4, a kind of semi-continuous centrifugal spinning process according to claim 3 is characterized in that: described strand solidify in the operation on solidify roller length 230mm, down solidify roller length 280mm, it is several 27 ± 8 to solidify the roller wire ring, solidifies roller flight lead 5-10mm; Last acid removing roller length 870mm in the strand disacidify operation, following acid removing roller length 890mm, acid removing roller wire ring number: interior 72 ± 5, in, outer 85 ± 8, acid removing roller flight lead 5-10mm.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101857997A (en) * | 2010-06-01 | 2010-10-13 | 宜宾丝丽雅集团有限公司 | One-step process for producing viscose filament gray yarn |
Families Citing this family (6)
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CN103290496B (en) * | 2013-06-29 | 2015-04-22 | 宜宾海丝特纤维有限责任公司 | Spinning technology applied to semi-continuous high-speed spinning machine with spinning roller arranged horizontally |
CN103409823B (en) * | 2013-06-29 | 2015-07-01 | 宜宾海丝特纤维有限责任公司 | Spinning process of three-spinning-roller semicontinuous high-speed spinning machine |
CN103628163B (en) * | 2013-12-04 | 2016-02-10 | 宜宾丝丽雅集团有限公司 | Spinning machine |
CN103628160B (en) * | 2013-12-04 | 2015-07-01 | 宜宾丝丽雅集团有限公司 | Spinning process of semi-continuous high-speed spinning machine |
CN103774257B (en) * | 2013-12-04 | 2016-05-25 | 宜宾丝丽雅集团有限公司 | Spinning technology suitable for spinning machine with external winding device |
CN103603073B (en) * | 2013-12-04 | 2017-03-08 | 宜宾丝丽雅集团有限公司 | Spinning technology suitable for spinning machine with external winding device |
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CN1128254C (en) * | 2000-12-06 | 2003-11-19 | 宜宾丝丽雅股份有限公司 | Single-feed multi-fibre box spinning, semi-continuous spinner and technology for spinning viscose yarn |
CN2721660Y (en) * | 2004-09-07 | 2005-08-31 | 宜宾丝丽雅股份有限公司 | Semi-continuous centrifugal spinning machine suitable for spinning three filaments simultaneously at one spindle position of viscose filament yarn |
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CN1128254C (en) * | 2000-12-06 | 2003-11-19 | 宜宾丝丽雅股份有限公司 | Single-feed multi-fibre box spinning, semi-continuous spinner and technology for spinning viscose yarn |
CN2721660Y (en) * | 2004-09-07 | 2005-08-31 | 宜宾丝丽雅股份有限公司 | Semi-continuous centrifugal spinning machine suitable for spinning three filaments simultaneously at one spindle position of viscose filament yarn |
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CN101857997A (en) * | 2010-06-01 | 2010-10-13 | 宜宾丝丽雅集团有限公司 | One-step process for producing viscose filament gray yarn |
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