Soft body biogas tank combined-structure heat insulation box

The utility model provides a soft body biogas tank combined-structure heat insulation box, aiming at solving the following problems that a gas production effect is affected and the maintenance is very troublesome since a cement inner wall has the phenomena of cement pulverization and shedding due to a closed and moist environment after a biogas tank is used for a certain period of time, and the problem that the biogas tank has no heat insulation function. According to the technical key points, a box body is of an open cuboid spliced by five heat insulation plates; and each heat insulation plate is compounded by sequentially fixing a glass fiber cloth layer and a silicon-magnesium cement layer on the two sides of a reticular bamboo tendon layer and fixing an EPS (expandable polystyrene) plate on the inner side of the heat insulation plate. The soft body biogas tank combined-structure heat insulation box disclosed by the utility model has the positive effects that the heat insulation plates reinforced by using