The utility model provides a heat is mixed pitch and is fallen trapezoidal distributing device, the cell body is inverted trapezoid structure, evenly is provided with three group's hoppers in the cell body, and through the circular arc transitional coupling between big hopper and the little hopper, big hopper is triangle -shaped with the longitudinal section of little hopper, be equipped with the intercommunication hopper between big hopper and the little hopper, the major structure of pitch splendid attire container and cloth is mixed to big hopper, intercommunication hopper, little hopper for the interior heat of cell body, the top both sides of cell body are equipped with the stationary vane listrium, have evenly arranged the screw on the stationary vane listrium, the top both ends of cell body are equipped with and hang the recess, this distributing device is equipped with three group's hoppers, and connects through the intercommunication hopper between the hopper, and the cloth is bulky, the cloth is efficient. Pass through the circular arc transitional coupling between this big hopper and the little hopper, this hopper is conical surface shape, connects through the intercommunication hopper, and inhomogeneous continuous control is realized to whole cloth volume, continues to change the hot in -process that paves of mixing pitch again and guarantees to pave the quality.