BITUMEN STORAGE Russian patent published in 2003 - IPC

FIELD: road building. SUBSTANCE: invention relates to devices for storing and heating of bitumen. According to invention, spherical or truncated pyramidal metal hood is installed on bottom of bitumen storage which covers heating elements. Holes are made in lower part of surface of hood, and hatch with opening is located in upper part. Intake are driven inside through walls of storage and hood. Inlet hole of first pipe is located in upper part under hood, and that of second pipe, in bottom part of storage. Outlet of intake pipes are connected to pump out bitumen pump through three-way cock behind outer wall of storage. EFFECT: reduced power consumption. 2 dwg