Apparatus for rapid machine composting of sewage sludge

摘要

A device for the rapid machine composting of sewage sludge including a rotary drum and having a feeding device extending longitudinally of the drum for feeding material to be composted into the drum. Air, heat and moisture are supplied to and discharged from the sludge compost and the composted material is discharged from the drum. A pre-mixing device for the sludge to be composted is located outside the rotary drum and includes a mixing vessel. Material to be composted is delivered to the mixing vessel as is composted sludge from the drum.