gh pressure operation environment and it could prevent flammable, explosive or poisonous gas agglomeration effectively.?The vacuum model has been applied invention patent.ApplicationKJG is one of the most secure drying device for oily sludge (6-8%), coal chemical industry sludge and the other sludge which contains explosive organic solvent.It is also widely suitable for municipal sewage sludge, chemical industry sludge, metl sludge, textile sludge, dyestuff sludge etc.Process Layout