CN111041734B - Spray type anti-static finishing device and fabric anti-static finishing process - Google Patents
Spray type anti-static finishing device and fabric anti-static finishing process Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Abstract
The invention relates to a spray type anti-static finishing device which comprises a cropping frame arranged at the tail end of a hot air stenter, a liquid distribution box, a booster pump, a spray box, a spray pipe positioned in the spray box, a first guide roller, a second guide roller and an infrared drying device, wherein the liquid inlet end of the booster pump is communicated with a liquid inlet pipe, and the liquid outlet end of the booster pump is communicated with a liquid outlet pipe; one end of the liquid inlet pipe, which is far away from the booster pump, extends into the liquid distribution box, and one end of the liquid outlet pipe, which is far away from the liquid distribution box, is communicated with the spray box; a first strip-shaped groove for allowing the fabric to enter the spray box is formed in the bottom plate of the spray box, and a second strip-shaped groove for allowing the fabric to penetrate out of the spray box is formed in the top plate; the spraying pipe is provided with a plurality of nozzles. The device is adopted to carry out anti-static finishing on the fabric, so that energy conservation and consumption reduction are facilitated, and the finished fabric has the advantages of uniform and lasting anti-static effect. The invention also correspondingly discloses a fabric antistatic finishing process applying the spray type antistatic finishing device.
Description
Technical Field
The invention relates to the technical field of fabric antistatic finishing, in particular to a spray type antistatic finishing device and a fabric antistatic finishing process.
Background
The fibers, yarns or fabrics become electrostatically charged during processing or use due to friction. After the fibers are charged with static electricity, dust and dirt are easily adsorbed to cause contamination, and in the processing process, the processing is difficult due to the attraction or the repulsion of electric charges. Fiber build-up static electricity is related to its hygroscopicity. Synthetic fibers have low moisture absorption and high surface resistance, and are more prone to static electricity accumulation. Therefore, when processing chemical fiber fabrics and woolen fabrics made of polyester and the like, the fabrics need to be subjected to antistatic after-treatment.
In the prior art, the antistatic finishing of the fabric is mostly finished by depending on a hot air tentering setting machine. Injecting an anti-static finishing agent solution with a certain concentration into a mangle at the cloth feeding end of the setting machine, and carrying out padding treatment on the fabric; then, carrying out heat setting treatment on the fabric under the action of tension in an environment of 150-220 ℃ so that the fabric is dried and the antistatic agent is attached to the fabric; and (5) performing doffing through a doffing frame at the tail end of the setting machine to obtain the fabric with the antistatic function. For example, the fabric processing technologies disclosed in patent documents CN104313820B, CN102517752A and the like all adopt the "padding antistatic finishing agent solution-high temperature heat setting" antistatic finishing technology. Although this antistatic treatment method is simple and easy to operate, it has the following problems:
the cloth cover is heated by high-temperature hot air in a drying room of the setting machine, so that the anti-static finishing agent is migrated and gathered to the surface of the cloth cover, the distribution of the anti-static finishing agent is uneven, and the anti-static effect of the finished cloth cover is not durable enough or the anti-static effect of all parts of the cloth cover is not uniform enough.
Therefore, there is a need for an improvement to existing antistatic finishing methods for fabrics.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the spray type anti-static finishing device, the device is adopted to perform anti-static finishing on the fabric, energy conservation and consumption reduction are facilitated, and the finished fabric has the advantages of uniform and lasting anti-static effect.
The above object of the present invention is achieved by the following technical solutions:
a spray type antistatic finishing device comprises a doffing frame arranged at the tail end of a hot air tentering setting machine,
the liquid preparation tank is used for storing antistatic finishing liquid;
the liquid inlet end of the booster pump is communicated with a liquid inlet pipe, and the liquid outlet end of the booster pump is communicated with a liquid outlet pipe; one end of the liquid inlet pipe, which is far away from the booster pump, extends into the liquid distribution box;
the liquid outlet pipe is fixedly connected with the upright post and positioned below the liquid distribution box, and one end of the liquid outlet pipe, far away from the liquid distribution box, is communicated with the spray box; a first strip-shaped groove for allowing the fabric to enter the spray box is formed in the bottom plate of the spray box, and a second strip-shaped groove for allowing the fabric to penetrate out of the spray box is formed in the top plate;
the first guide roll is borne on the cloth falling frame and arranged below the first strip-shaped groove along the length direction of the first strip-shaped groove;
the second guide roller is borne on the cloth falling frame and arranged above the second strip-shaped groove along the length direction of the second strip-shaped groove;
the spraying pipes are arranged on the two inner side walls of the spraying box and communicated with the liquid outlet pipe, and a plurality of spray heads are arranged on the spraying pipes;
and the infrared drying device is arranged on the doffing frame and is used for drying the fabric which penetrates out of the spraying box.
By adopting the technical scheme, the spray type anti-static finishing device is arranged at the cloth outlet end of the drying room of the hot air tentering setting machine, and can be used for anti-static finishing of fabrics. Before the fabric enters a drying room of a hot air tentering setting machine, padding finishing liquid is not needed; after the fabric is shaped at high temperature in a drying room, the fabric firstly bypasses a first guide roller; then, the water passes through the first strip-shaped groove into the spray box; then, the second strip-shaped groove penetrates out of the first strip-shaped groove; and finally, drying by an infrared drying device, and then, doffing.
In the process that the fabric runs through the spray box, the anti-static finishing liquid stored in the liquid distribution box can be introduced into the spray pipe by virtue of the liquid inlet pipe, the booster pump and the liquid outlet pipe, and then is sprayed by the spray head to form anti-static treatment liquid mist. The liquid mist uniformly distributed in the spray box is contacted with the fabric, so that the fabric is carried with the antistatic finishing liquid. After subsequent drying, the antistatic finishing is finished, and the obtained fabric has a lasting and uniform antistatic effect.
Because the anti-static finishing liquid is applied to the fabric in a spraying mode, the consumption of the anti-static finishing liquid is greatly reduced, and compared with the traditional padding-hot drying process, the liquid carrying capacity of the fabric is greatly reduced, so that the energy consumption required by heat setting is saved. Furthermore, the spray type antistatic finishing device is directly arranged at the tail end of a drying room of the hot air tentering and setting machine, and is favorable for obtaining a finishing effect with better hand feeling: on one hand, the fabric can be cooled by utilizing the spray, and the cooling condition is relatively mild, so that the fabric is beneficial to obtaining soft hand feeling and reducing the hardness of the fabric; on the other hand, because the treatment is carried out at the cloth dropping end of the heat setting, the possibility of electrification of the final dropping cloth is reduced, and the operation of operators is carried out simultaneously.
Furthermore, the spraying device also comprises a liquid accumulating tank arranged below the spraying box, a liquid guide pipe is communicated with a bottom plate of the spraying box, and one end, far away from the spraying box, of the liquid guide pipe is inserted into the liquid accumulating tank.
By adopting the technical scheme, the liquid guide pipe can guide out a small amount of liquid formed by converging liquid mist in the spray box, and the guided-out liquid is converged into the liquid accumulation groove for storage, so that the subsequent treatment is facilitated.
Furthermore, a bulge part with an isosceles trapezoid-shaped cross section is formed on the bottom plate of the spray box and protrudes towards the inner cavity side of the spray box, and the first strip-shaped groove is formed in the top of the bulge part.
Through adopting above-mentioned technical scheme, two inclined planes of uplift do benefit to and carry out the water conservancy diversion to gathering the liquid drop for the cloth cover is difficult to be moistened by the liquid drop that gathers, does benefit to and keeps the anti-static finishing liquid that the surface fabric carried everywhere even, has promoted the homogeneity to the anti-static finishing of surface fabric.
Furthermore, two extrusion roller shafts located at the second strip-shaped groove are arranged in the spray box, and the length directions of the extrusion roller shafts are parallel to the length direction of the second strip-shaped groove.
Through adopting above-mentioned technical scheme, the surface fabric passes between two extrusion roller axles earlier before wearing out the spray box from second bar-shaped groove, and the extrusion roller axle rotates along with the removal of surface fabric, extrudees the antistatic finishing liquid evenly distributed that makes surface fabric surface carry to the surface fabric.
Furthermore, air holes are uniformly distributed in a top plate of the spray box.
Through adopting above-mentioned technical scheme, do benefit to the discharge of unnecessary waste gas in the spray box. When necessary, a matched waste gas guide system can be arranged to guide the waste gas discharged from the air vents away through a pipeline for independent treatment. Meanwhile, the arrangement of the air holes is beneficial to cooling the spray box.
The invention also aims to provide a fabric antistatic finishing process applying the spray type antistatic finishing device, and the fabric finished by the process has the advantages of uniform and lasting antistatic effect.
The above object of the present invention is achieved by the following technical solutions:
an antistatic finishing process of fabric by using the spray type antistatic finishing device comprises the following steps,
s1, performing heat setting treatment on the fabric at the temperature of 180-220 ℃;
s2, uniformly spraying antistatic finishing liquid on the surface of the fabric subjected to heat setting treatment:
the antistatic finishing liquid comprises the following components in parts by weight,
10-15 parts of polylactic acid porous microspheres
5-10 parts of chitin
10-15 parts of silk fibroin
1-3 parts of algal polysaccharide
2-8 parts of dispersion stabilizer
1-5 parts of cosolvent
60-80 parts of deionized water;
s3, drying the fabric by adopting an infrared drying device;
and S4, cropping.
By adopting the technical scheme, the traditional fabric anti-static finishing process of 'padding first and then heat setting' is changed, and the fabric is stable in size by heat setting first; then spraying antistatic finishing liquid with a specific ratio to ensure that the fabric obtains uniform and lasting antistatic effect; and finally, drying the fabric by adopting an infrared drying device with high efficiency and low energy consumption so as to dry the fabric after doffing. Compared with the traditional 'padding and post-heat setting' antistatic finishing process, the process has at least the following beneficial effects:
1. padding is not needed before heat setting, so that the amount of liquid on the cloth surface is reduced, and the heat setting energy consumption is greatly reduced;
2. the fabric is not required to be subjected to heat setting on the premise of high belt humidity rate, so that the anti-static finishing agent is uniformly distributed, the anti-static finishing agent is not easy to migrate, and the durability and uniformity of the anti-static effect of the fabric are improved;
3. the spray type application of the antistatic finishing liquid can have the cooling effect, and the heat-set fabric is cooled mildly, so that the fabric is not easy to wrinkle or the handfeel plate is hard;
4. in the process, polylactic acid porous microspheres, chitin, silk fibroin and algal polysaccharide are used as an antistatic finishing agent according to a certain proportion, so that the viscosity is proper, and the coating is suitable for spraying to form liquid mist; the porous polylactic acid microspheres can improve the hygroscopicity of the fabric, and the silk fibroin, the chitin and the algal polysaccharide are all natural substances by utilizing the porous adsorbability, are safe and nontoxic, and can improve the hygroscopicity of the fabric by utilizing hydrophilic groups in molecules after being attached to the fiber surface of the fabric; therefore, the treated fabric has excellent antistatic performance and can also be endowed with excellent bacteriostatic and mildew-inhibiting performance;
5. the antistatic finishing can be carried out at the tail end of the heat setting equipment, so that the fabric at the cropping position is almost free of static electricity, and the operation of operators is facilitated.
Further, the step S2 specifically includes the steps of,
p1, preparing antistatic finishing liquid according to the proportion, and temporarily storing the antistatic finishing liquid in a liquid preparation box;
p2, the fabric subjected to heat setting penetrates into the spray box from the first strip-shaped groove and then penetrates out from the second strip-shaped groove;
p3, surface fabric run through the spray box simultaneously with the help of feed liquor pipe, booster pump and drain pipe will prevent that static arrangement liquid lets in to the spray tube, from the shower nozzle towards the surface fabric blowout formation prevent static arrangement liquid fog, make prevent static arrangement liquid fog equipartition on the surface fabric surface.
By adopting the technical scheme, the anti-static finishing liquid can be uniformly carried by the fabric, and the anti-static effect of the processed fabric is lasting and uniform.
Further, the co-solvent comprises at least one water-soluble alcohol.
Specifically, the water-soluble alcohol may be one or more water-soluble monohydric alcohols, such as ethanol, propanol, butanol, etc.; or water-soluble diols or polyols, such as ethylene glycol, glycerol, etc. The water-soluble monohydric alcohol and the water-soluble dihydric alcohol or the water-soluble polyhydric alcohol can be selected to be mixed, so that the function of increasing the wettability of the antistatic finishing agent on the surface of the fabric can be achieved, and the uniform distribution of the antistatic finishing agent is facilitated.
Further, the dispersion stabilizer is fumed silica.
By adopting the technical scheme, the dispersion stability of the polylactic acid porous microspheres in the antistatic finishing liquid can be effectively improved, the adhesion fastness of the porous polylactic acid microspheres on the surface of the fabric can be improved, and the durability of the antistatic capacity of the fabric can be improved.
Further, the algal polysaccharide is spirulina polysaccharide.
By adopting the technical scheme, the moisture absorption of the fabric can be obviously improved, and the electrostatic performance is improved. Meanwhile, the antibacterial and mildew-resistant performance of the fabric can be improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. because the anti-static finishing liquid is applied to the fabric in a spray type application mode, the consumption of the anti-static finishing liquid is greatly reduced, and the liquid carrying amount of the fabric is also greatly reduced, so that the energy consumption required by heat setting is saved;
2. the spray type anti-static finishing device is directly arranged at the tail end of the drying room of the hot air tentering setting machine, and is beneficial to obtaining a finishing effect with better hand feeling: on one hand, the fabric can be cooled by utilizing the spray, and the cooling condition is relatively mild, so that the fabric is beneficial to obtaining soft hand feeling and reducing the hardness of the fabric; on the other hand, because the treatment is carried out at the cloth dropping end of the heat setting, the possibility of electrification of the final cloth dropping is reduced, and the operation of operators is carried out simultaneously;
3. according to the anti-static finishing process for the fabric, polylactic acid porous microspheres, chitin, silk fibroin and algal polysaccharide in a certain proportion are used as an anti-static finishing agent, and the prepared anti-static finishing liquid is appropriate in viscosity and suitable for being sprayed to form liquid mist; the porous polylactic acid microspheres can improve the moisture absorption of the fabric by utilizing the porous adsorbability; the silk fibroin, the chitin and the algal polysaccharide are all natural substances, are safe and non-toxic, and can improve the moisture absorption of the fabric by utilizing hydrophilic groups in molecules after being attached to the fiber surface of the fabric; therefore, the processed fabric has excellent antistatic performance, and meanwhile, the fabric can also have excellent bacteriostatic and mildew-inhibiting performance.
Drawings
FIG. 1 is a first schematic structural diagram of a spray type antistatic finishing device in embodiment 1;
FIG. 2 is a schematic structural diagram II of the spray type antistatic finishing device in the embodiment 1;
FIG. 3 is a diagram showing the operating conditions of the spray type antistatic finishing device in example 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a process flow chart of the antistatic finishing process of the fabric in the embodiment.
In the figure, 1, a drying room; 2. a fabric dropping frame; 21. a column; 22. a cross beam; 23. a connecting beam; 24. a first guide roller; 25. a second guide roller; 3. a liquid distribution box; 4. a booster pump; 41. a liquid inlet pipe; 42. a liquid outlet pipe; 5. a spray box; 51. a first bar-shaped groove; 52. a second strip groove; 53. a raised portion; 54. air holes are formed; 55. an extrusion roll shaft; 6. a spray tube; 61. a spray head; 7. an infrared drying device; 8. a liquid accumulation tank; 81. a catheter; 9. fabric.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 and 2, the invention discloses a spray type antistatic finishing device, which comprises a fabric dropping frame 2 arranged at the fabric outlet end of a drying room 1 of a hot air tentering setting machine. The doffing frame 2 comprises two upright posts 21 arranged along the vertical direction, a connecting beam 23 connected between the top ends of the two upright posts 21 and two cross beams 22 arranged along the horizontal direction. The cross beams 22 correspond to the upright columns 21 one by one, and one end of each cross beam is connected with the top ends of the upright columns 21. Guide rollers are arranged in the middle of the two cross beams 22 along the length direction perpendicular to the cross beams 22, and a main friction roller parallel to the guide rollers is arranged at one end far away from the upright post 21. The surface of the main friction roller is coated with a rough-surface rubber belt. The beam 22 is provided with a transmission shaft, and the tail end of the transmission shaft is connected with a personal clothing motor. The transmission shaft and the friction roller are in transmission through a chain. The end of the beam 22 far away from the upright 21 is also provided with a U-shaped swing frame, a transmission wheel is coaxially arranged on the transmission rod, and a connecting rod is hinged between the transmission wheel and the swing frame. Two parallel auxiliary friction rollers are arranged at one end of the swing frame, which is far away from the friction roller, and the two auxiliary friction rollers and the main friction roller are driven by a belt. The servo motor drives the transmission rod to rotate; the transmission rod and the main friction roller are in transmission through a chain and are in transmission with the swing frame through a transmission wheel and a connecting rod; the main friction roller rotates and simultaneously drives the auxiliary friction roller to rotate through the belt, so that the fabric 9 can sequentially bypass the guide roller and the main friction roller to run, then passes through the two auxiliary friction rollers, and is folded along with the reciprocating swing of the swing frame.
Referring to fig. 2 and 3, the dropping frame 2 is provided with a liquid distribution box 3, an infrared drying device 7, a second guide roller 25, a spray box 5, a first guide roller 24 and a liquid accumulation groove 8 from top to bottom in sequence along the length direction of the upright post 21. The liquid distribution box 3 is arranged on the connecting beam 23 and used for storing antistatic finishing liquid.
Referring to fig. 2 and 3, the first guide roller 24 is rotatably connected to the upright post 21, and after the fabric 9 is subjected to high-temperature heat treatment in the drying room 1 of the hot air tentering setting machine, the fabric is discharged from the tail end of the drying room 1, bypasses the first guide roller 24, and then runs along the length direction of the upright post 21 from bottom to top.
Referring to fig. 2 and 3, the spray box 5 is fixedly connected to the pillar 21, and the bottom end of the spray box 5 is positioned higher than the first guide roller 24. The spray box 5 is formed in a hollow rectangular box shape as a whole and is provided in a direction perpendicular to the vertical column 21.
Referring to fig. 3 and 4, a first linear groove 51 is formed on the bottom plate of the spray box 5 along the length direction of the spray box 5, and the fabric 9 passes through the first linear groove 51 into the spray box 5 after passing around the first guide roller 24. A second strip-shaped groove 52 corresponding to the first strip-shaped groove 51 is formed in the top plate of the spray box 5, and the fabric 9 penetrates through the spray box 5 and then penetrates out of the second strip-shaped groove 52.
Referring to fig. 3 and 4, a plurality of spraying pipes 6 parallel to the running direction of the fabric 9 are uniformly distributed on two opposite inner side walls of the spraying box 5, each spraying pipe 6 is provided with a plurality of spray heads 61, and the spray heads 61 in this embodiment are all SUC11 type air atomizing nozzles.
Referring to fig. 2 and 3, the connecting beam 23 is provided with a booster pump 4, a liquid inlet end of the booster pump 4 is communicated with a liquid inlet pipe 41, and a liquid outlet end of the booster pump 4 is communicated with a liquid outlet pipe 42. One end of the liquid inlet pipe 41 far away from the booster pump 4 is inserted into the liquid distribution box 3, and one end of the liquid outlet pipe 42 far away from the booster pump 4 is communicated with the spray box 5. The antistatic finishing liquid stored in the liquid distribution tank 3 can be continuously introduced into the spray tank 5 through the liquid inlet pipe 41, the booster pump 4 and the liquid outlet pipe 42. After being conveyed to the spray pipe 6, the anti-static finishing liquid is sprayed out from the spray head 61 towards the fabric 9 to form anti-static finishing liquid mist, so that the anti-static finishing liquid mist can be uniformly arranged on the surface of the fabric 9 running through the spray box 5.
Referring to fig. 3 and 4, in order to make the fabric 9 uniformly carry the antistatic finishing liquid mist, two squeezing roller shafts 55 are arranged in the spraying box 5 near the second strip-shaped groove 52. The fabric 9 passes between the two pressing roller shafts 55 and then out of the second strip groove 52. By the extrusion of the two extrusion roller shafts 55, the antistatic finishing liquid mist carried on the surface of the fabric 9 can be more uniform. In order to facilitate processing of the fabric 9, the fabric 9 penetrates through the spray box 5, and a side plate of one side of the spray box 5, which deviates from the drying room 1, is detachably arranged through a bolt. When in a conventional use state, the cloth is penetrated by the aid of the guide cloth which is penetrated in advance; when needing to overhaul or maintain, can with wearing cloth operation after dismantling this piece of curb plate.
Referring to fig. 3 and 4, in order to reduce the liquid formed by the condensation of the antistatic finishing liquid mist in the spray box 5, the liquid carrying rate of the fabric 9 is too high locally. The bottom plate of the spray box 5 is raised toward the inside of the spray box 5 to form a raised part 53 having an isosceles trapezoid cross section. The first linear groove 51 is arranged at the upper bottom edge of the bulge part 53, and the two sides of the bulge part 53 are provided with anti-static finishing liquid collecting areas. The bottom plate of the spray box 5 is also communicated with a liquid guide pipe 81, the liquid accumulation groove 8 is arranged on the floor and is fixedly connected with the upright post 21, and one end of the liquid guide pipe 81, which is far away from the spray box 5, is inserted into the liquid accumulation groove 8. A small amount of collected antistatic finishing liquid in the spray box 5 can be guided out to the liquid accumulation tank 8 through the liquid guide pipe 81 for temporary storage.
Referring to fig. 2, a plurality of ventilation holes 54 are uniformly distributed on the top plate of the spray box 5. The arrangement of the air holes 54 has two main functions: firstly, the temperature of the fabric 9 subjected to heat setting processing is high, after the fabric is subjected to spraying treatment in the spraying box 5, part of the antistatic finishing liquid is vaporized, and the air holes 54 are beneficial to discharging gas generated by the vaporization; secondly, the heat of the fabric 9 can be taken away through spray vaporization, the fabric 9 is gently cooled, the air holes 54 are formed to facilitate quick heat dissipation, the cooling efficiency of the fabric 9 is improved, and the processed fabric 9 is soft in hand feeling and not prone to wrinkling.
Referring to fig. 3 and 4, the second guide roller 25 is rotatably disposed on the pillar 21 to guide the fabric 9 passing through the second strip groove 52. The infrared drying device 7 is obliquely arranged on the cropping frame 2 and is positioned above the second guide roller 25. The fabric 9 is guided by the second guide roller 25 and then runs to the main friction roller by bypassing the guide roller arranged on the beam 22. In the process, the fabric can run in parallel to the infrared drying device 7, and the fabric 9 can be quickly dried by means of the infrared drying device 7. In the embodiment, the infrared drying device 7 is an E3-201 model schchang electric heating dryer, which has the advantages of low energy consumption and high drying efficiency, so that the finally doffed fabric 9 is not damp in drying.
The implementation principle of the embodiment is as follows:
the spray type anti-static finishing device can be used for different fabric anti-static finishing processes according to actual processing requirements, so that the anti-static effect of the fabric 9 is improved, the electrification of heat-setting cropping is reduced, or the processing energy consumption is reduced.
In the first using method, before the fabric 9 is treated by the spray type anti-static finishing device, the fabric 9 is firstly subjected to padding-hot air shaping by means of the front section part of the hot air tentering and shaping machine, so that the finished fabric 9 is soft in hand feeling, lasting in anti-static effect, and the fabric 9 at the cloth falling position is fresh and carries static electricity, and is convenient for workers to operate.
And in the second using method, the fabric 9 is subjected to padding finishing liquid, is rolled, is placed in a cold stack for 24 hours, is dried by hot air of a hot air tentering and forming machine, and is subjected to anti-static finishing by using the spray type anti-static finishing device provided by the invention at the tail end of the hot air tentering and forming machine. Meanwhile, a cold batch and spray type treatment process is adopted, so that the water consumption and the energy consumption of the after-finishing of the fabric 9 are greatly reduced.
The third using method is that the fabric 9 is directly hot-air shaped by a hot-air tentering shaping machine, and the tail end of the shaping machine is subjected to anti-static finishing by the spray type anti-static finishing device. Because the liquid rolling procedure is omitted, the water consumption and the energy consumption are greatly reduced, the utilization rate of the auxiliary agent is higher, and the finished fabric has soft hand feeling and lasting antistatic effect.
Examples 2-9 all relate to a process for antistatic finishing of fabrics, which is carried out on a hot air tentering setting machine and the spray type antistatic finishing device of example 1. The raw materials used for preparing the antistatic finishing liquid in the examples 2 to 9 are commercially available raw materials or self-made raw materials, and the original sources are as follows:
TABLE 1 EXAMPLES 2-9 antistatic finish formulation raw material Source Table
The preparation method of the polylactic acid porous microspheres comprises the following steps:
(1) dissolving 5 g of gelatin in 100ml of deionized water under the heating condition, cooling, adding 5 g of ammonium bicarbonate, and stirring for dissolving to obtain an internal water phase; in addition, 100 g of polylactic acid is dissolved in 200ml of dichloromethane solution and transferred to a three-neck flask, an internal water phase is added, and the primary emulsion is stirred at the rotating speed of 1500rpm for 20 min; neutralizing with 5% acetic acid solution during colostrumization;
(2) preparing a gelatin solution with the mass fraction of 1% as an external water phase emulsifier;
(3) weighing 750ml of gelatin solution, adding into the primary emulsion, continuously stirring for 5h at 40-45 ℃, carrying out suction filtration, washing and drying to obtain the polylactic acid porous microspheres with the particle size of 20-100 microns.
Example 2:
an antistatic finishing process of fabric, which is completed on a hot air tentering setting and a spray type antistatic finishing device of example 1, is shown in figure 5, and specifically comprises the following steps,
a, heat setting: carrying out heat setting treatment on the fabric 9 by using a hot air tentering setting machine, wherein the setting temperature is 180 ℃;
b, spray treatment of antistatic finishing liquid:
p1, preparing antistatic finishing liquid according to the proportion, and temporarily storing the antistatic finishing liquid in a liquid preparation box 3; the formula of the antistatic finishing liquid is as follows,
polylactic acid porous microsphere 100 g
Chitin 100 g
Silk fibroin 140 g
Spirulina polysaccharide 25 g
Fumed silica 20 g
Butanol 10 g
750 g of deionized water;
during preparation, the materials are weighed according to the proportion; firstly, uniformly mixing deionized water and butanol; then adding silk fibroin, spirulina polysaccharide and chitin, and continuously stirring and uniformly mixing; then adding polylactic acid porous microspheres and meteorological silica, uniformly stirring, and filtering and defoaming to obtain antistatic finishing liquid;
p2, the heat-set fabric 9 passes around the first guide roller 24, then penetrates into the spray box 5 from the first strip-shaped groove 51, then passes through between the two extrusion roller shafts 55, then passes through the second strip-shaped groove 52 and then passes through and passes around the second guide roller 25;
p3 and fabric 9 penetrate through the spray box 5, and simultaneously the anti-static finishing liquid temporarily stored in the spray box is introduced into the spray pipe 6 by virtue of the liquid inlet pipe 41, the booster pump 4 and the liquid outlet pipe 42, and is sprayed from the spray head 61 towards the fabric 9 to form anti-static finishing liquid mist, so that the anti-static finishing liquid mist is uniformly distributed on the surface of the fabric 9; because the fabric 9 is in a running state, the surface of the fabric 9 can be uniformly provided with antistatic finishing; the application amount of the antistatic finishing liquid is controlled to be 1-5% (O.W.F), specifically, the spraying speed can be adjusted according to the running speed of the fabric 9, the spraying speed is adjusted through tests, so that the spraying amount is within the range, and the spraying amount is controlled to be 1% (O.W.F) in the embodiment;
c, infrared drying: after the fabric 9 passes around the second guide roller 25 and passes through the infrared drying device 7, the fabric 9 is dried by the infrared drying device 7; because the infrared drying is adopted, the fabric drying device has the advantages of high efficiency and uniform drying, the finally-laid fabric 9 is not wet when dried, and the anti-static component in the anti-static finishing liquid is attached to the fabric 9;
d, cropping: so that the treated fabric 9 is stacked on the fabric transfer vehicle.
Examples 3 to 5:
examples 3 to 5 all relate to a fabric antistatic finishing process, which is completed on hot air tentering setting and the spray type antistatic finishing device of example 1, and based on example 2, the fabric antistatic finishing process is different from example 2 only in that: the heat setting temperature is different, and the formulas of the used antistatic finishing liquid are different, the specific differences are shown in Table 2,
TABLE 2 formulation tables of the setting temperatures and antistatic finishes of examples 3-5
The polyester staple fiber wool-like fabrics finished according to the process methods of examples 2 to 5 are respectively sampled for performance detection.
Examples 6 to 9:
examples 6 to 9 all relate to a fabric antistatic finishing process, which is completed on hot air tentering setting and the spray type antistatic finishing device of example 1, and based on example 2, the fabric antistatic finishing process is different from example 2 only in that: the anti-static finishing liquid has different formulas and different spraying amounts. The specific differences are shown in Table 3,
TABLE 3 formulation of spray amount and antistatic finish in examples 6-9
The polyester staple fiber wool-like fabrics finished according to the process methods of examples 6 to 9 were sampled respectively for performance testing.
Performance testing
The sample cloths collected in examples 2 to 9 were used as samples, and the fabrics before treatment were used as control samples, and the following tests were performed:
1) moisture absorption property
Measuring the moisture regain of each sample according to GB/T6503-2008;
2) antistatic properties
The charge surface density of each sample was measured with reference to FZ/T01060-1999;
the results of the experiments are reported in table 4,
TABLE 4 Performance test results Table
From the experimental data in table 4, it can be seen that: after the antistatic finishing process is used for treatment, the moisture regain of the fabric is remarkably improved, the surface charge quantity of the fabric is remarkably reduced, and the charge density is also remarkably reduced. Namely, the antistatic finishing process shows that the antistatic performance of the fabric is remarkably improved after the antistatic finishing process is used for treatment.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the above-mentioned embodiments as required after reading this specification without any inventive contribution, but only if the claims of the present invention are protected by patent laws.
Claims (5)
1. An antistatic finishing process of fabric by using a spray type antistatic finishing device is characterized in that,
the spray type anti-static finishing device comprises a doffing frame (2) arranged at the tail end of the hot air tentering setting machine, wherein the doffing frame (2) comprises two upright posts (21) arranged along the vertical direction;
the liquid preparation tank is also provided with a liquid preparation tank (3) for storing antistatic finishing liquid;
the liquid inlet end of the booster pump (4) is communicated with a liquid inlet pipe (41), and the liquid outlet end of the booster pump (4) is communicated with a liquid outlet pipe (42); one end of the liquid inlet pipe (41), which is far away from the booster pump (4), extends into the liquid distribution box (3);
the spraying box (5) is fixedly connected to the upright post (21) and positioned below the liquid distribution box (3), and one end, far away from the liquid distribution box (3), of the liquid outlet pipe (42) is communicated with the spraying box (5); a first strip-shaped groove (51) for allowing the fabric (9) to enter the spray box (5) is formed in the bottom plate of the spray box (5), and a second strip-shaped groove (52) for allowing the fabric (9) to penetrate out of the spray box (5) is formed in the top plate;
and a first guide roller (24) which is loaded on the doffing frame (2) and is arranged below the first strip-shaped groove (51) along the length direction of the first strip-shaped groove (51);
and a second guide roll (25) which is born on the doffing frame (2) and is arranged above the second strip-shaped groove (52) along the length direction of the second strip-shaped groove (52);
and a plurality of spray pipes (6) which are arranged on the two inner side walls of the spray box (5) and communicated with the liquid outlet pipe (42), wherein a plurality of spray heads (61) are arranged on the spray pipes (6);
and an infrared drying device (7) which is arranged on the cropping frame (2) and is used for drying the fabric (9) which penetrates out of the spray box (5);
the spray box is characterized by further comprising a liquid accumulating tank (8) arranged below the spray box (5), a liquid guide pipe (81) is communicated with a bottom plate of the spray box (5), and one end, far away from the spray box (5), of the liquid guide pipe (81) is inserted into the liquid accumulating tank (8);
the bottom plate of the spray box (5) protrudes towards the inner cavity side of the spray box (5) to form a bulge part (53) with an isosceles trapezoid cross section, and the first strip-shaped groove (51) is formed in the top of the bulge part (53); two extrusion roll shafts (55) positioned at the second strip-shaped groove (52) are arranged in the spray box (5), and the length direction of the extrusion roll shafts (55) is parallel to the length direction of the second strip-shaped groove (52); air holes (54) are uniformly distributed on the top plate of the spray box (5);
the fabric antistatic finishing process applying the spray type antistatic finishing device comprises the following steps,
s1, performing heat setting treatment on the fabric (9) at the temperature of 180-220 ℃;
s2, uniformly spraying antistatic finishing liquid on the surface of the fabric (9) subjected to heat setting treatment:
the antistatic finishing liquid comprises the following components in parts by weight,
10-15 parts of polylactic acid porous microspheres
5-10 parts of chitin
10-15 parts of silk fibroin
1-3 parts of algal polysaccharide
2-8 parts of dispersion stabilizer
1-5 parts of cosolvent
60-80 parts of deionized water;
s3, drying the fabric (9) by adopting an infrared drying device (7);
and S4, cropping.
2. The fabric antistatic finishing process according to claim 1, characterized in that: the S2 process specifically includes the following steps,
p1, preparing antistatic finishing liquid according to the proportion, and temporarily storing the antistatic finishing liquid in a liquid preparation box (3);
p2, the fabric (9) after heat setting penetrates into the spray box (5) from the first strip-shaped groove (51) and then penetrates out from the second strip-shaped groove (52);
p3 and fabric (9) penetrate through the spray box (5) and simultaneously the anti-static finishing liquid is introduced into the spray pipe (6) by means of the liquid inlet pipe (41), the booster pump (4) and the liquid outlet pipe (42), and the anti-static finishing liquid is sprayed from the spray head (61) towards the fabric (9) to form anti-static finishing liquid mist, so that the anti-static finishing liquid mist is uniformly distributed on the surface of the fabric (9).
3. The fabric antistatic finishing process according to claim 1, characterized in that: the co-solvent comprises at least one water-soluble alcohol.
4. The fabric antistatic finishing process according to claim 1, characterized in that: the dispersion stabilizer is fumed silica.
5. The fabric antistatic finishing process according to claim 1, characterized in that: the algal polysaccharide is spirulina polysaccharide.
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| CN201193254Y (en) * | 2008-05-13 | 2009-02-11 | 宁波大发化纤有限公司 | Spraying device for strand antistatic agent |
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| CN106120200A (en) * | 2016-06-22 | 2016-11-16 | 武汉纺织大学 | Hydrophilic, the antistatic finish device of a kind of one side wool fabric and method for sorting |
| CN208235116U (en) * | 2018-03-26 | 2018-12-14 | 绍兴首典纺织有限公司 | A kind of cloth sorting device |
| CN209307610U (en) * | 2018-12-28 | 2019-08-27 | 山东省永信非织造材料有限公司 | A kind of cross lapping machine spraying humidification anti-static device |
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| CN201193254Y (en) * | 2008-05-13 | 2009-02-11 | 宁波大发化纤有限公司 | Spraying device for strand antistatic agent |
| CN104328531A (en) * | 2014-11-11 | 2015-02-04 | 江苏江南高纤股份有限公司 | Manufacturing method of hydrophilic polyester short fibers for directly spinning spun-laced non-woven fabric |
| CN106120200A (en) * | 2016-06-22 | 2016-11-16 | 武汉纺织大学 | Hydrophilic, the antistatic finish device of a kind of one side wool fabric and method for sorting |
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