TUBULAR HEATER Russian patent published in 2004 - IPC

FIELD: production of tubular heaters. SUBSTANCE: the invention presents a heater, that has a metal horizontal heat-insulated body made in the form of a heptagonal horizontal prism. Inside the body there is a coil pipe and a furnace with burners, two chimneys, a box-shaped flue with two couplings at the butts. The body has one output, the base unit and a detachable roof. The product coil pipe is mounted in the upper part of the body and has an additional part in parallel to the body joint plane. The lower part of the body has a furnace. The radiant and convective zones of the product coil pipe are partitioned by a reflective screen. The outlet of the body is located in the upper part of its detachable roof along its full length and has the form of a rectangular opening, that is covered by the box- shaped flue. Couplings of the flue are connected to chimneys, that are mounted on two supports located in the butts of the body and rigidly fixed to it. Usage of the stated invention ensures increase of efficiency of heat exchange, increased safety of operation and handiness at maintenance and repair. EFFECT: the invention allows to increase efficiency of heat exchange, safety of operation and handiness at maintenance and repair. 13 cl, 3 dwg