Method for refrigerating filature with no need of boiling cocoons
A cocoon cooking and fresh cocoon technology, which is applied in the field of silk making in the textile industry, can solve the problems of increasing the process link - cost, increasing the influence of unfavorable factors, and the difficulty of cocoon cooking quality, so as to avoid overcooking cocoon cooking and reduce raw material consumption , the effect of reducing heating energy consumption
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[0037] According to the investigation of silk characteristics and process design requirements, the specific steps of vacuum hot water infiltration are as follows:
[0038] 1. Fresh cocoons are refrigerated, and the temperature is controlled at -6~-12°C;
[0039] 2. To cocoon. Put the cocoon into a stainless steel mesh basket, put it into a vacuum tank, and close the lid tightly. Close the inlet valve and drain valve. (The amount of cocoons added each time depends on the scale of production)
[0040] 3. Vacuuming for the first time. Start the vacuum pump, open the exhaust valve to pump air for about 2-4 minutes, and close the exhaust valve after the vacuum degree is 0.08-0.09MPa.
[0041] 4. Enter hot water. First use an electric heating tube to heat the water to 58°C to 60°C. After opening the water inlet valve, fill the vacuum tank with hot water. The pH value of the hot water is maintained at 7.2 to 7.5. The water inlet height is 4-6cm higher than the cocoon.
[004...
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