Electrode heating device and steam and hot water generator - MA CHENGLING; PANG HONG; QUAN JUNMIN (2018)
Keywords: BLASTING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; RANGES; STEAM BOILERS; STEAM GENERATION; VENTILATING; WEAPONS