FIELD: electricity.
SUBSTANCE: device relates to electric heaters, in particular to electric heaters in safety systems of nuclear reactors of nuclear power plants. In tubular electric heaters unit of equipment, including cover, in which tubular electric heaters with terminals are rigidly tightly fixed, it is proposed to install cylindrical shell on tubular electric heaters unit cover on the side of tubular electric heaters tubing ends, on through perforation on upper half, several thermal screens with holes for each tubular electric heater are rigidly fixed on inner surface of cylindrical shell, wherein diameter of holes in heat shields exceeds outer diameter of tubular electric heater.
EFFECT: reduction of thermal effect from elements of heated equipment to conclusions of tubular electric heater and, consequently, lower temperature of terminals.
3 cl, 3 dwg
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