FOAM GLASS ROASTING FURNACE Russian patent published in 2003 - IPC

FIELD: manufacture of building materials. SUBSTANCE: furnace intended for roasting of foam-glass plates, mainly for single-row roasting of powder- like mass from volcanic glass includes lined body, heating system, bin and slot in furnace arch. Transportation system consists of trays and limiters; end and intermediate limiters are mounted on tray made from transversal tubes welded together by means of plates and longitudinal tubes. End inter-tray limiters include non-detachable member made from plate welded at butt of tray at angle of 5-10 deg. relative to transversal tubes and detachable member which is inclined outside of tray and made in form of trapezoidal box consisting of side rectangular, upper and lower trapezoidal plates. Intermediate limiter is made from side rectangular plates and lower triangular plate to which another plate is welded in transversal direction; detachable limiters are mounted in slots found in respective transversal tubes of tray. EFFECT: simplified construction. 5 dwg