PLANT FOR STEAM-AND-GAS TREATMENT OF DIRTY METAL ARTICLES Russian patent published in 1997 - IPC

FIELD: cleaning metal articles from resinous deposits. SUBSTANCE: plant includes furnace with burner, offtake, muffle, exhaust pipe, steam line with nozzle for supply of steam to muffle. Smoke intake chamber mounted in wall of offtake is made in form of narrowing taper-shaped branch pipe with neck changing to diffuser. Smoke intake chamber is connected with muffle by means of descending gas adjoining the diffuser. Nozzle of steam line is secured in smoke intake chamber before neck, concentrically with this neck and diffuser. Plant is provided with chamber which is brought in communication with muffle and exhaust pipe. EFFECT: enhanced reliability. 2 dwg