A Working Guide to Process Equipment, Fourth Edition by Norman Lieberman, Elizabeth Lieberman

By Norman Lieberman, Elizabeth Lieberman

The most recent tools for troubleshooting and conserving strategy equipment

Applicable to a large diversity of technicians and industries and completely up to date all through, A operating advisor to technique Equipment, Fourth version, explains the way to diagnose, troubleshoot, and proper issues of chemical and petroleum refining technique gear. 9 new chapters hide:

  • Tray layout info
  • Shell-and-tube warmth exchanger layout information
  • Relief valve procedure layout
  • Vapor lock and exchanger flooding in steam platforms
  • Steam new release working and layout info
  • Wastewater strippers
  • Thermodynamics -- the way it applies to strategy gear
  • Centrifugal pumps -- lowering seal and bearing mess ups
  • Hand calculations for distillation towers
  • Vapor -- liquid equilibrium, absorption, and stripping calculations

Filled with examples and illustrations, this sensible source demonstrates how idea applies to fixing real-world plant operation difficulties. chosen hand calculation equipment also are provided.

Comprehensive assurance includes:
Distillation Tower Trays * Tower strain regulate * Distillation Towers * Reboilers * Tower Internals * tools * Packed Towers * Steam and Condensate platforms * Bubble element and Dew element * Steam Strippers * Draw-Off Nozzle Hydraulics * Pumparounds and Tower warmth Flows * Condensers and Tower strain keep an eye on * Air Coolers * Deaerators and Steam platforms * Steam iteration * Wastewater Strippers * Vacuum structures * Steam generators * floor Condensers * Shell-and-Tube warmth Exchangers * Fired warmers * Refrigeration structures * Cooling Water platforms * Catalytic results * Centrifugal Pumps * keep watch over Valves * Separators * Centrifugal Compressors and Surge * Reciprocating Compressors * Corrosion * Fluid stream in Pipes * Super-Fractionation degree * machine keep watch over * box Troubleshooting

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Additional resources for A Working Guide to Process Equipment, Fourth Edition (Mechanical Engineering)

Sample text

2 shows a simple sieve tray with a single hole. Why is it that the liquid flows over the 3-in outlet weir, rather than simply draining down through the sieve hole? It is the force of the vapor (or better, the velocity of the vapor) passing through the sieve hole which prevents the liquid from draining down the sieve hole. This is true whether we are dealing with a valve cap, extruded perforation, or a sieve hole. The valve cap does not act as a check valve to keep liquid on the tray. The author’s industrial experience has proved this unpleasant fact on numerous occasions.

Plug Valve This valves goes from 100 percent open to shut by turning a valve 90°. The natural gas supply to your house is shut off with a plug valve. Control Valve This valve is used to alter flows remotely. Normally it is moved by air pressure. A gate valve is sometimes used to control flows locally, but this wears out the valve and is best avoided. Strobe Light A modern tachometer used to measure rpm of rotating equipment. Old style tachometers measured speed by measuring vibration frequency.

1 Total Height of Liquid in Downcomer To summarize, the total height of clear liquid in the downcomer is the sum of four factors: • Liquid escape velocity from the downcomer onto the tray below. • Weir height. • Crest height of liquid overflowing the outlet weir. • The pressure drop of the vapor flowing through the tray above the downcomer. (Calculating this pressure drop is discussed in Chap. ) Unfortunately, we do not have clear liquid, either in the downcomer, on the tray itself, or overflowing the weir.

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