FIELD: manufacturing technology.
SUBSTANCE: device for production of non-woven spun fabric of elementary fibres, including dies, cooling chamber with possibility to feed process air into it for cooling of elementary fibres located between dies and cooling chamber monomer device for forced air discharge, exhaust device and collector for laying of elementary fibers in nonwoven fabric. Cooling chamber consists of two sections of cooling chamber, while process air can be forced fed from first upper section of cooling chamber in monomer device for forced air discharge with volumetric flow rate VM. Process air escapes from first upper section with volumetric flow rate V1 in second lower section of cooling chamber. Ratio of volume flow rate of VM/V1 ranges from 0.1 to 0.3.
EFFECT: device and method of making nonwoven spun fabric of elementary fibres are proposed.
15 cl, 2 dwg
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