Designed for supplying nutrient water to the p-50r GRES type boiler unit.
The unit includes a Ptna drive turbine 1100-350-17-4 and a nutrient pump 1135-340-4A.
Climate performance of pumps - UHL, category of accommodation 3 according to GOST 15150 without the need to automatically maintain atmosphere parameters.
|
Parameter |
Ptna 1100-350-17-4 |
|
Volumetric supply of the pump, m³/s (m³/h) |
0.328 (1160) |
|
Pressure at the entrance to the pump, MPa (kgf/cm²) |
1.96 (20) ± 3% |
|
Pressure on the output of the pump, MPa (kgf/cm²) |
34.87 ± 1 (355.7 ± 10.2) |
|
Pump pressure, m |
3772 |
|
The temperature of nutrient water at the entrance to the pump, ° C |
177 |
|
Rotation frequency, no more, rpm (rpm) |
88.66 ± 1.7 (5320 ± 100) |
|
Permissible cavitation reserve, m |
109 |
|
The efficiency of the pump, no less, % |
85 |
|
The power consumed by the pump is no more, kW |
12498 |
|
Steam pressure in front of the stop-regulating valve, MPa (kgf/cm 2 ), abs. |
1.64 (16.4) ± 3% |
|
Steam pressure behind the turbine, MPa (kgf/cm 2 ), Abs. |
0.247 (2.52) ± 3% |
|
The temperature of the steam in front of the stop-regulating valve, o with |
414 ± 10 |
|
The consumption of steam on the turbine, no more, kg/s (t/h) |
33.2 (119.4) |
|
Turbine capacity, kW |
13070 |
|
The efficiency of the unit, % |
72.2 |
|
The mass of the unit in the supply volume (including the pump), t |
41 ± 0.5 |
|
Turbine mass, t |
14.05 ± 0.3 |
