Method for cleaning a steam generator

摘要: Through two accesses lying substantially opposite one another, above the bottom of steam generator, a high-pressure lance carrying at its end spray head, is brought between pipes pipe bundle. The lances are simultaneously intermittently shifted inwards or outwards and shiftings, when heads may rows bundle, swung to-and-fro over 180°. At least during said swinging, liquid sprayed through under pressure higher than 200 bars with total flow rate for more liters per minute. used sucked away from sucking capacity which markedly rate.