Maintenance of Heat Exchangers
Heat exchangers must be regularly maintained and monitored to ensure safe operation and provide the required efficiency with respect to design engineering practice. Neglect in keeping all tubes clean may result in complete stoppage of flow through some tubes, which could cause severe thermal strains, leaking tube joints or structural damage to other components. Sacrificial anodes, when provided should be inspected to ascertain whether they should be cleaned or replaced.
Disassembly for Inspection or Cleaning
Before disassembly is carried out, the unit must be first depressurized, vented and drained, neutralized and/or purged of hazardous material. To inspect the inside of the tubes and also to make them accessible ...