Burner a spray for installations for the focal spots a oil

摘要

P burner in which the conduit 5 of people brought of the oil is provided between the pump 1 and the spray nozzle 4 of an electric heating device 6 comprising at least one electrical resistance. The resistance heating element is constituted by a body 7 has a positive temperature coefficient (ptc elements disposed along the pipe 5, whose thickness is small in comparison to the length and which applies externally and of thermally conductive against the wall sections of the pipe 5, on at least two dimensions of its surface, which are parallel to its length. / p