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Textile web treatment appts. - has semicircular chamber journalling perforate drum and provided on diametrally opposite sides with liquid supply and discharge weirs
Textile web treatment appts. - has semicircular chamber journalling perforate drum and provided on diametrally opposite sides with liquid supply and discharge weirs
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机译:纺织网处理设备。 -具有半圆形腔室的轴颈穿孔鼓,并在直径相反的两侧设有供液和排放堰
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摘要
The appts. has a chamber in which is located a rotary perforate drum over which the web is trained. The chamber arcuately encloses the drum and is provided with a treatment liq. inlet duct extending along the drum at the entry of the web. Exit of web is provided with a liq. discharge. Position of liq. inlets and outlets can be reversed. Pref. the chamber is in the form of a semi-circular trough which is closed at the ends and the inlet duct is totally enclosed except for an axial slot which forms an overflow weir. Diametrally opposite the weir is provided a further weir which is located at a lower level and overflows into a discharge duct communicating with a sump from which the liq. is pumped via distribution ducts to the inlet duct. Expensive chemical agents are used sparingly.
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