foerdervorrichtung for container for receiving a helicoidal guide by surface treatment to be strengthened optionally chemically nsta ends of glass or similar material

摘要

1488568 Salt bath container VVB HAUSHALTSUND VERPACKUNGSGLAS 20 May 1975 [31 July 1974] 21537/75 Heading F4B A container for molten salt, particularly for use in the heat treatment of glass, comprising an outer shell 3 mounted on skid rails 34, an inner container 2 removably mounted within the outer shell to leave a space for the circulation of heating gas, and a guide system for the heating gas comprising T-section ribs 14, one rib 15 being arranged vertically at the mid point of a longitudinal side to divide the hot gas circulation space. The vertical rib 15 is sealed to the inner container, and holes 5 are arranged at different heights in diagonally opposite areas of the walls to accommodate inlet and overflow pipes. Temperature sensors are mounted in the inner tank and a drain hole 8 is provided for emptying the inner container. A baffle guides the hot gas flow below the inner container and co-operates with a channel and outlet 12 to form a leakage or spillage collector. Blocks 31 with bores to allow circulation of the melt and arranged in the container, and a series of containers are connected to allow continuous glass treatment.