TUBE FURNACE WITH HEAT EXCHANGER Russian patent published in 2016 - IPC C10G9/20 F27B5/00 

FIELD: furnace; oil and gas industry.

SUBSTANCE: present invention relates to tube furnace, which can be used for heating oil, oil products and other hydrocarbon mixtures. Furnace includes combustion chamber with burner communicated with heat exchange chamber, in which there product pipes, and burner includes gas holes and air duct. Ends of gas holes are arranged in combustion chamber around outlet of air duct, in combustion chamber there is an air flow swirler, product pipes are a tubular heat exchanger with transverse streamlined bundle of pipes, and in reservoirs of tubular heat exchanger there are partitions with formation of series-parallel circuit connection of pipes.

EFFECT: proposed furnace has high power and efficiency.

4 cl, 4 dwg