Electric oven for firing vermiculite concentrates

摘要

The invention relates to the field of building materials, in particular to the technological equipment for producing expanded vermiculite - a bulk insulating material. Electric oven for firing vermiculite concentrates, contains a drum metering unit, a frame, electric heaters, a vibration hearth platform on rollers placed in the frame guides, an eccentric platform drive, cylindrical and conical springs mounted on its opposite sides, a baking tray mounted on the platform and a thermal lid the furnace additionally contains a chipping mechanism, made in the form of a bunker, two receiving drums connected by a gear and trays with protrusions in the lower part and a channel mi inside; longitudinal slots are made in the receiving drums, and the channels in the lugs of the trays are parallel to the slots, while the drum dispenser contains a flow divider of vermiculite concentrate. EFFECT: obtaining high-quality expanded vermiculite from large-size vermiculite concentrates due to grinding of large particles of vermiculite mica. 3 il.