Conical Paddle Dryer

The Hywell Machinery conical paddle dryer is a high efficiency vertical type drying equipment which integrates drying, crushing, vacuum decompression and mixing. The HW series conical paddle vacuum dryer have three to five times efficiency of the same specification double cone vacuum dryer. The unique paddle design of the vertical, centrally-driven dryer combines extremely fast drying rates with a compact design. It is a universal vacuum dryer that has been developed to enable vacuum, atmospheric and pressurized processing of a variety of materials such as powders, filter cakes, pastes and viscous slurries, especially when they are brittle and/or heat sensitive. The Hywell Machinery conical vacuum dryer has a few advantages that make it suitable. It is an extremely gentle dryer/mixer for minimal particle size degradation. Liquids can be dosed in directly into the active zone in a controlled fashion for an even coating across the entire batch. The drying phase is by vacuum with a solvent recovery system to allow for the recovery of the solvents that were used to dissolve the active ingredients. The discharge from the vessel is from the bottom of the cone by a full port valve, there is no bottom bearing to support the arm which could generate heat or require lubricants in the dryer. It also allows for the entire batch to discharge quickly with minimal residual material left behind.