Spinning technology of spinning machine with externally-mounted winding device
A technology of winding device and spinning process, which is applied in the field of spinning process of spinning machine, can solve the problems of reducing product quality, increasing energy consumption, and reducing efficiency, so as to facilitate maintenance and worker operation, avoid increased energy consumption, The effect of small machine power
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Embodiment 1
[0107] The spinning process of the spinning machine with an external winding device, the process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0108] A Viscose metering and glue supply
[0109] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.1MPa;
[0110] B Filtration before spinning
[0111] In the pre-spinning filtration process, viscose maturity NH 4 The Cl value is controlled at 7.0ml, the falling ball viscosity is 30mPa·s, 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 pieces / ml;
[0112] C filament forming
[0113] 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°C, acid bat...
Embodiment 2
[0125] The spinning process of the spinning machine with an external winding device, the process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0126] A Viscose metering and glue supply
[0127] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.3MPa;
[0128] B Filtration before spinning
[0129] In the pre-spinning filtration process, viscose maturity NH 4 The Cl value is controlled at 13ml, the falling ball viscosity is 38mPa·s, the viscose methyl fiber content is 8.1%, the viscose contains 5.8% alkali, 500ml viscose bubbles are ≤25, the viscose surface tension is 55dyne / cm, and viscose particles below 10μm are ≤100 a / ml;
[0130] C filament forming
[0131]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 su...
Embodiment 3
[0142] The spinning process of the spinning machine with an external winding device, the process includes viscose metering and glue supply, pre-spinning filtration, filament forming, spinning and winding,
[0143] A Viscose metering and glue supply
[0144] In the glue metering and glue supply process, the gauge pressure of the glue pipe is 0.5MPa;
[0145] B Filtration before spinning
[0146] In the pre-spinning filtration process, viscose maturity NH 4 The Cl value is controlled at 10ml, the falling ball viscosity is 28mPa·s, the viscose methyl fiber content is 8.2%, the viscose contains 5.8% alkali, 500ml viscose bubbles are ≤25, the viscose surface tension is 53dyne / cm, and viscose particles below 10μm are ≤100 a / ml;
[0147] C filament forming
[0148] 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 s...
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