Production Method and Process of Nylon 6 Green and Environmentally Friendly Cotton Imitation DTY

Production Method of Nylon 6 Green and Environmentally Friendly Imitation DTY
technical field
1. The present invention relates to a production method for nylon 6 green and environmentally friendly imitation viscose DTY, which is applied in the field of textile technology.
Background technology:
2. As is well known, the conventional production process of nylon 6-strand DTY involves using two straight wires to pass through two guide tubes of the original wire frame, and further passing through a wire cutter, a first draft disc, a twist stopper, a hot box, a cooling plate, a false twist device, a tensioner, a second draft disc, a network device, a third draft disc, a wire probe, an oiling device, and a winding device in sequence. The two strands of silk used in the original process are all made of white yarn, and dyeing processes are carried out downstream, Causing low production efficiency and high production costs.
Technical implementation elements:
3. In order to solve the above technical problems, the present invention provides a production method for nylon 6 green and environmentally friendly viscose like DTY. Two raw fibers are processed from the same spindle position, and the output is doubled compared to the original product processed by the composite silk road, effectively reducing production costs; Some or all of the raw materials are made from raw material colored fibers, which saves downstream dyeing processes, saves energy, reduces emissions, and is environmentally friendly, while also improving product quality.
The technical solution of the present invention is as follows:
5. A production method for nylon 6 green and environmentally friendly imitation viscose DTY, with specific operations as follows:
6. Pass two strands with different elongation at break through the same guide tube of the strand holder together, and set a pre networker at the output end of the strand holder. The two strands with different elongation at break further pass through the pre networker through the cutter, first draft disc, anti twist device, and then through the hot box, cooling plate, false twist device, tensioner, second draft disc, network device, third draft disc, wire probe, oil filling device, and winding device, Produce nylon 6 green and environmentally friendly viscose like DTY, and at least one of the two filaments with different elongation at break is colored yarn.
The two filaments with different elongation at break are a combination of one strand of nylon 6fdy and one strand of nylon 6poy, or a combination of one strand of nylon 6fdy and one strand of nylon 6hoy, or a combination of one strand of nylon 6hoy and one strand of nylon 6poy.
8. The proportion of low elongation at break in the two filaments with different elongation at break is 10%
-
50%, 90% of high elongation at break filaments
-
50%.
9. The raw wire with low elongation at break has an elongation at break of 30%
-
60% fdy or hoy, and the high elongation at break of the precursor wire has an elongation at break of 60%
-
100% hoy or poy.
10. The network pressure of the pre networker passing through the two strands with different elongation at break is 0.2
-
1.5bar.
11. The temperature of the heating box is 80
-
170 ℃; The speed ratio between the false twister and the second draft disc is 1.4
-
1.8; The speed ratio of the second and first draft discs is 1.050
-
1.280; The network pressure of the networker is 1.5
-
4.5bar.
The fiber size range of the two filaments with a difference in elongation at break is 10
-
110d, with a range of 5 elements
-
68f.
13. The size range of the produced nylon 6 green and environmentally friendly imitation viscose DTY is 40
-
150d, with a range of 10 elements
-
136f.
14. The present invention has the following beneficial effects:
15.1. On the basis of conventional production processes, the present invention improves the original strand of raw silk corresponding to a wire guide tube into two strands of raw silk fed through the same wire guide tube of the raw silk frame, processing two different raw materials for the same spindle position. The pre networker is equipped with:
Effectively increasing the cohesion of raw materials, improving the stability of post processing and the range of process debugging, doubling the production volume compared to the original products processed by the composite silk road, effectively reducing production costs.
16.2. Using two filaments with different differences in elongation at break, apply elasticity under the same process conditions. The filament with low elongation at break forms the core layer of the elastic filament after being stretched, while the filament with high elongation at break forms the cortex of the elastic filament after being stretched; By combining FDY, HOY, and POY raw materials with different specifications and any combination of two different colors, products with different viscose like effects and different color yarn combinations are processed, achieving soft, smooth, moisture absorbing, comfortable, excellent elasticity, and bright and long-lasting colors. This improves the moisture absorption and moisturizing properties of polyester viscose like materials, as well as the limitations of insufficient comfort, The products with different viscose imitation effects and different color yarn combinations make the choices of front-end customers more diversified, while also eliminating the downstream further dyeing process, effectively improving the product yield.
17.3. At least one of the two filaments with different elongation at break in the present invention uses colored yarn as the raw material, that is, some or all of the raw materials use colored fiber raw materials from the original solution, saving downstream dyeing processes, energy conservation, emission reduction, environmental protection, and improving product superiority; At the same time, the dyeing rate of DTY viscose imitation products is high, and the optimal rate of fixed length and weight used for warp and weft knitting can be increased by 30%, effectively reducing production costs.
18.4. Due to the processing of two raw fibers from the same spindle position, the production capacity of viscose like DTY has doubled, greatly reducing production costs.
Illustrated Figures
19. Figure 1 is a schematic diagram of the production process of the present invention;
20. The accompanying symbols in the figure are represented as:
Specific implementation method
21. The following will provide a detailed explanation of the present invention in conjunction with the accompanying drawings and specific embodiments.
22. Refer to Figure 1 for a production method of nylon 6 green and environmentally friendly imitation viscose DTY, with the specific operation as follows:
23. Pass two strands with different elongation at break through the same guide tube of the strand holder, and set a pre networker at the output end of the strand holder. The two strands with different elongation at break further pass through the pre networker, sequentially passing through the cutter, first draft disc, anti twist device, and then through the hot box, cooling plate, false twist device, tensioner, second draft disc, network device, third draft disc, wire detector, oiling device, and winding device, Produce nylon 6 green and environmentally friendly viscose like DTY, and at least one of the two filaments with different elongation at break is colored yarn.
24. The two filaments with different elongation at break are a combination of one strand of nylon 6fdy and one strand of nylon 6poy, or a combination of one strand of nylon 6fdy and one strand of nylon 6hoy, or a combination of one strand of nylon 6hoy and one strand of nylon 6poy.
25. The proportion of filaments with low elongation at break in the two filaments with different elongation at break is 10%
-
50%, 90% of high elongation at break filaments
-
50%.
26. The raw wire with low elongation at break has an elongation at break of 30%
-
60% fdy or hoy, and the high elongation at break of the precursor wire has an elongation at break of 60%
-
100% hoy or poy.
27. The network pressure of the pre networker passing through the two strands with different elongation at break is 0.2
-
1.5bar.
28. The temperature of the heating box is 80
-
170 ℃; The speed ratio between the false twister and the second draft disc is 1.4
-
1.8; The speed ratio of the second and first draft discs is 1.050
-
1.280; The network pressure of the networker is 1.5
-
4.5bar.
The fiber size range of the two filaments with a difference in elongation at break is 10
-
110d, with a range of 5 elements
-
68f.
30. The size range of the produced nylon 6 green and environmentally friendly imitation viscose DTY is 40
-
150d, with a range of 10 pieces
-
136f.
31. Working principle of the present invention:
32. Firstly, the equipment model of the ammunition dispenser is oerlikon barmag efk
-
Pa; The specification range of two filaments with different elongation at break is (10
-
110) d/(5
-
68) f, select two raw materials to pass through the same guide tube of the raw material frame together, and further pass through the pre network device through the wire cutter, first draft disc, anti twist device, and then through the hot box, cooling plate, false twist device, tensioner, second draft disc, network device, third draft disc, wire detector, oil device, and winding device to obtain nylon 6 green and environmentally friendly viscose imitation DTY. When selecting raw materials for raw materials, fdy, hoy Any combination of three raw materials and different specifications, as well as any combination of two different colors, can produce products with different viscose like effects and different color yarn combinations. Multiple samples are prepared for selection, and after selection, mass production is carried out according to the corresponding raw material combination method of the samples. The specific production process parameters are as follows:
33. Example 1: Selecting a combination of 30d/12f black fdy with low elongation at break and 35d/34f white poy with high elongation at break. The speed of the second draft disc is 600m/min, the speed ratio of the second draft disc to the first draft disc is 1.18, the temperature of the heating box is 80 ℃, and the combination of false twisters is 1
6-6
1. The speed ratio of the false twister to the second draft disc is 1.61, and the network pressure of the network device is 2.4 bar. After the stranding process, the finished product is a 60d/46f black and white imitation viscose DTY.
34. Example 2: Selecting a combination of low elongation at break (12d/5f) gray fdy and high elongation at break (75d/34f) black hoy, the speed of the second draft disc is 680m/min, the speed ratio of the second draft disc to the first draft disc is 1.12, the temperature of the heating box is 135 ℃, and the combination of the false twister is 1
6-6
1. The speed ratio of the false twister to the second draft disc is 1.54, the network pressure of the network device is 3.2 bar, and the finished product after stranding is 75d/39f gray black viscose imitation DTY.
35. Example 3: Selecting a combination of low elongation strand 22d/7f white HOY and high elongation strand 88d/48f blue POY, the speed of the second draft disc is 680m/min, the speed ratio of the second draft disc to the first draft disc is 1.24, the temperature of the heating box is 150 ℃, and the combination of the false twister is 1
6-6
1. The speed ratio of the false twister to the second draft disc is 1.48, the network pressure of the network device is 3.6bar, and the finished product after stranding is 90d/55f blue white viscose imitation DTY.
After experimental testing, the present invention provides a production method for nylon 6 green and environmentally friendly viscose like DTY, and the physical index range of the finished viscose like DTY is as follows:
37. Size: 40
-
150d; Strength: 3.0
-
4.8cn/dtex;
38. Elongation at break: 18
-
32%; Curl rate: 5
-
40%;
39. Curling stability: 10
-
60%; Boiling water shrinkage rate: 4
-
11%;
40. Network degree: 100
-
130 pieces/meter.
41. The above is only an embodiment of the present invention and does not limit its patent scope. Any equivalent structure or equivalent process transformation made using the description and accompanying drawings of the present invention, or directly or indirectly applied in other related technical fields, are equally included in the scope of patent protection of the present invention.