METHOD FOR FORMATION OF LAP FROM MINERAL SUPERTHIN FIBERS AND DEVICE FOR ITS EMBODIMENT

FIELD: manufacture of building materials; may be used in formation of lap, mat from mineral superthin fibers. SUBSTANCE: lap is produced by directing blowing cone to lattice travelling conveyer at an angle of 30 5 deg to horizon. The device for formation of lap has hollow diffuser of conical type em...

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Bibliographische Detailangaben
Hauptverfasser:	GNEZDILOV V.JU, GROMKOV B.K, PONOMAREV V.B, VORONOV A.F, TSYGANKOV V.V
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:	FIELD: manufacture of building materials; may be used in formation of lap, mat from mineral superthin fibers. SUBSTANCE: lap is produced by directing blowing cone to lattice travelling conveyer at an angle of 30 5 deg to horizon. The device for formation of lap has hollow diffuser of conical type embracing fiber-spinning device coaxially to blowing cone at an angle of 30 5 deg. Diffuser inlet cross-section area to outlet cross-section area ratio is 0.15-0.25. Diffuser opening angle to blowing cone opening angle ratio is 1.1-1.3. Suction ducts are installed under screen of travelling lattice conveyer in each section of fiber coagulation chamber. EFFECT: improved uniform density of lap and higher reliability of the device. 3 cl, 1 dwgo