Steam is low -heat -loss internal fixation festival for long range transport

The utility model discloses a steam is low -heat -loss internal fixation festival for long range transport, including the work steel pipe, heat preservation I, crown plate and steel jacketPipe, I suit of heat preservation is outside the work steel pipe, the steel jacketPipe suit is outside heat preservation I, the crown plate suit is outside the work steel pipe, the crown plate both sides are equipped with floor I and floor II respectively, to working through crown plate and floor, steel pipe and steel jacketPipe are fixed to be in the same place, the steel jacketPipe outside is equipped with heat preservation II, II outsides of heat preservation are equipped with the steel casing pipe, the steel casing pipe passed through cab apron and steel jacketPipe fixed connection, the steel casing pipe outside is equipped with heat preservation III, III outsides of heat preservation are equipped with the outer tube. The utility model discloses increase the heat preservation in the steel jacketPipe outside, can reduce e