LOW-TEMPERATURE BITUMEN DEHYDRATION PLANT WITH USE OF SHF ENERGY Russian patent published in 2004 - IPC

FIELD: equipment for construction of automobile roads, applicable for preparation of hot asphalt-bitumen mix.

SUBSTANCE: the plant has successively-connected receiving tank, cock, bitumen inlet branch, bitumen flow governor, evaporation chamber in the form of a tray with a variable slope to the horizontal plane, bitumen outlet branch. In addition, the plant is equipped with an inlet hot air branch with an air heater, outlet hot air branch with an air filter, additional bitumen flow governors and additional trays connected in succession to the main governor with formation of an even quantity of trays rectangular in cross-section with variable slopes to the horizontal plane, the slope to the horizontal plane of all the odd trays makes up 5 to 10 deg., their bottoms are made radioparent and SHF oscillators are installed under them, the slope of all the four trays to the horizontal plane makes up 25 to 30 deg., and electric heating elements are installed above their bottoms, the addition bitumen flow governors are installed at the outlet of the odd trays, the low outlet section of the last tray is connected to the outlet bitumen branch made with a SHF gate, and its inlet section through the inlet hot air branch is connected to the air heater, connected to the upper outlet branch is the hot air outlet branch with the air heater, and the successively-connected receiving tank, cock, bitumen inlet branch, bitumen flow governor are connected to the lower inlet section of the first tray.

EFFECT: preserved quality of bitumen, reduced power consumption, improved environment of production.

3 cl, 1 dwg