Proper operation, preventative maintenance, and safety precautions pertinent to valves are stressed. Students learn why lubrication is an important part of an operator's responsibility. The benefits of proper lubrication and the advantages and disadvantages of various types of lubrication are covered. The floating head, fixed tube, u-tube and air cooled exchangers are covered in this section. The construction, operation and maintenance aspects are defined and explained so the operator is knowledgeable in the use of exchangers within operating units.
Heat exchangers are some of the essential items within refineries and chemical plants.
The primary aspect of furnace operation is covered in detail. This provides the student with the knowledge necessary to operate them efficiently, economically and safely. Draft, air and fuels are reviewed and the important points for normal operations are em phasized. This segment of the operator's course covers the normal symbols used in piping, instrumentation and other pertinent structures. Handling condensation is an important factor when using steam to power machinery in a refinery or chemical plant.