| Title |
Replacement
of Existing Crossflow Cooling Towers to Counterflow
Cooling Towers. Y 2001 |
| Purpose |
Energy
Saving System Using Frequency Inverter at fixed speed
operation |
| Descriptions |
Before
installation |
After
installation |
| Type |
4-cell
Crossflow Film Filled |
2-cell
Counterflow Film Filled |
| Total HRT |
3000 Tons |
3000 Tons |
| Motor kW |
7.5kW x 4 cells per tower |
11 kW x 2 cells per tower |
| Drive |
1450 |
970 rpm |
| Frequency Inverter |
V-Belt and Pulley |
Direct |
| Operating Frequency |
50 Hz |
20 Hz |
| Operating RPM |
450 RPM |
400 RPM |
| Fan Output Power |
Approximately 7kW / motor |
5.4 kW per motor |
| Total Power Consumption |
7 kW x 4 cells x 3 units = 84 kW |
5.4 kW x 2 cells x 3 units = 32.4kW |
| Results
in savings |
(84 – 32.4 kW) x 24 hours x 365 days
x RM0.20 /kWhr =
RM 90,403.20 |
