DDI Heat Exchangers Inc

DDI is a well-established company (since 1980) experienced in design & manufacturing of thick welded type "Rectangular, Square, Cube"™, NON-PLUGGABLE HEAT EXCHANGERS, specifically suitable for HEAT RECOVERY from liquid waste containing large size and high % of Solids, in Municipal Sludges & other processes. ROI in 1 year. DDI has designed and installed Sludge Heat Exchangers that have been operating for as long as 9 years without the need of any maintenance. Used as: A) Recovery of Wasted Heat from Sludge with 20% solids B) Preheating of Raw Sludge C) Cooling of Digested Sludge The cost for this innovative Heat Recovery Equipment could be recovered within a few months.