作者: Guangchao Zhou , Hongliang Jun , Yonghua Li , Shouzhen Zhang
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摘要: The invention belongs to the field of filters, and in particular relates a double-drum paper filter core filter. comprises two drums change-over valve between drums, is characterized that: provided with an oil adjusting valve; passage formed on corresponding valve. By arranging filter, can be gently replenished into drum single after cleaned, so conditions reflow negative pressure formation are avoided during normal work, causes less interference system conveying medium, impact reflowed prevent deformation or cracking core; groove back part flows through balance stressing that friction relieved, rotates more lightly smoothly service life prolonged.