| 摘要 |
PURPOSE: A dryer of sewage sludge is provided to effectively vacuum and dry sewage sludge by uniformly transferring heat. CONSTITUTION: A dryer of sewage sludge includes evaporation drying path(1,2), a water tank, a heat exchanger(5), a vacuum pump, an inlet port, and a discharge port. A cylindrical sewage sludge tub is installed to be inclined. A cylinder bath has a space outside the sludge tub. The surface outside the cylinder bath is insulated. A heat is supplied between the sludge tub and the cylinder bath through the warm water or the steam. The steam which is generated from a second drying tub is transferred to the drying tub in the third step and the steam is recycled. |
