... two types ,one is TQZ type barrel extracting tank ,the other is TQM type mushroom extracting tank .They can be applied to following process ... ,warm water soak ,heat return ,coercive circulation ,infitration ,aromatic oil extracting and organic solvent recovery etc . High effeciency and easy to ... 800 800 1000 1200 vessel type category 1 pressure vessel TQ Series Static Multi-Functional Extracting Tank