FIELD: construction.
SUBSTANCE: device comprises a movable frame installed on a chassis, which has a lead to an asphalt spreading machine in the form of a rigid coupling, a source of supply, headers and heaters, a protective element of heaters in the form of jacket with holes for discharge of combustion products and a temperature sensor. Heaters are fixed with the help of holders and are inverted towards the road surface. Differences of the proposed device consist in availability of a flame spreader arranged at the lower side of the frame, its arrangement in the form of a row of nets from fire-resistant metal installed above each other with shift of holes of neighbouring nets, and also arrangement of the sensor in the form of a thermocouple of roller type installed with the possibility of contact with the surface.
EFFECT: device makes it possible to save power inputs, labour inputs and to reduce time of works performance at the treated section.
4 cl, 2 dwg
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