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丝绵是缫丝厂的一种副产品,加工后需及时进行干燥,否则会造成丝条粘结,影响质量,采用自然干燥不仅干燥慢,而且产品会遭受烟尘和风沙等的污染。但是,丝绵的干燥温度也不能过高,高于110℃时将变黄,高于130℃时会变脆。所以,缫丝厂生产的丝绵一般是用蒸汽干燥房进行干燥的。为了节约能源,保证丝绵的干燥质量,山西省阳城缫丝厂建成了一套干燥系统,利用太阳能干燥丝绵,试验运行表明,其干燥效果良好。
Silk sponge is a by-product of silk factory. After processing, it needs to be dried in time. Otherwise, it will cause sticking of silk yarn and affect quality. Natural drying not only slows down the drying, but also the products will be polluted by dust, wind and sand. However, the silk drying temperature is not too high, above 110 ℃ will turn yellow, above 130 ℃ will become brittle. Therefore, silk factory silk production is generally dry with steam drying room. In order to save energy and ensure the dry quality of silk sponge, a drying system was built in Shanxi Yangcheng Reeling Factory. The use of solar energy to dry the silk reeling showed that the drying effect was good.