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METI / ECCJ / ACE Training Program MTPEC06 (2007.01)

(2) Boiler and Steam System
4) Heat Radiation from Bare Steam Pipes
(3) Pumps
1) EE&C Measures on Pumps
  1. Application of effective flow control; inverter control, etc.
  2. Application of high efficiency machines Pump, motor and transmitter
  3. Improvement of operation management
    1. Lowering of consumption volume and pressure (Head) in user side
    2. Prevention of idle running
    3. Lowering of operation time (On-off control)
    4. Prevention of leakage
    5. Lowering of pressure loss at suction filter, the better suction form
    6. Check the valve or damper opening!
Installed capacity > Required capacity
How much is the water price?
Price of water (US$/m3):
Operation cost (Power and Water cost),
Equipment and depreciation cost,
Maintenance & inspection cost
(3) Pumps
2) Water Supply System
(3) Pumps
3) Application of effective flow control
Q: Flow rate, H: Total head, L: Pump input power,
D: Impeller diameter Z: Number of impellers, N: Revolution number
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