Spinning technology suitable for spinning machine with winding device externally arranged
A technology of a winding device and a spinning process, which is applied to the spinning process field of a spinning machine, can solve the problems of lowering product quality, lowering efficiency, lowering production efficiency, etc. The effect of low power
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Embodiment 1
[0119] It is suitable for the spinning process of the spinning machine with the external winding device. The process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0120] A Viscose metering and glue supply
[0121] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.1MPa;
[0122] B Filtration before spinning
[0123] In the pre-spinning filtration process, viscose maturity NH 4 The Cl value is controlled at 7.0ml, the falling ball viscosity is 30mPas, the viscose methyl fiber content is 8.0%, the viscose contains 6.1% alkali, 500ml viscose bubbles are ≤25, the viscose surface tension is 50dyne / cm, and viscose particles below 10μm are ≤100 / ml;
[0124] C filament forming
[0125] In the thread forming process, the composition of the acid bath is: sulfuric acid concentration 135g / L, sodium sulfate concentration 230g / L, zinc sulfate concentration 12g / L, acid bath temperature 55...
Embodiment 2
[0139] It is suitable for the spinning process of the spinning machine with the external winding device. The process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0140] A Viscose metering and glue supply
[0141] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.3MPa;
[0142] B Filtration before spinning
[0143] In the pre-spinning filtration process, viscose maturity NH 4 Cl value is controlled at 13ml, falling ball viscosity is 38mPas, viscose methylcellulose content is 8.1%, viscose contains 5.8% alkali, 500ml viscose bubbles are ≤25, viscose surface tension is 55dyne / cm, viscose particles below 10μm are ≤100 / ml;
[0144] C filament forming
[0145] In the filament forming process, the composition of the acid bath is: sulfuric acid concentration 140g / L, sodium sulfate concentration 240g / L, zinc sulfate concentration 11.0g / L, acid bath temperature 57°C, acid bath surf...
Embodiment 3
[0156] It is suitable for the spinning process of the spinning machine with the external winding device. The process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0157] A Viscose metering and glue supply
[0158] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.5MPa;
[0159] B Filtration before spinning
[0160] In the pre-spinning filtration process, viscose maturity NH 4 Cl value is controlled at 10ml, falling ball viscosity is 28mPas, viscose methylcellulose content is 8.2%, viscose contains 5.8% alkali, 500ml viscose bubbles are ≤25, viscose surface tension is 53dyne / cm, viscose particles below 10μm are ≤100 / ml;
[0161] C filament forming
[0162] In the filament forming process, the composition of the acid bath is: sulfuric acid concentration 145g / L, sodium sulfate concentration 245g / L, zinc sulfate concentration 12.5g / L, acid bath temperature 56°C, acid bath surf...
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