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Heat exchanger for a passive residual heat removal system (SPOT)

Heat exchanger is designated for flowing steam condensation the from the steam generator, in case of full loss of AC power-supply source for a long time.

Specifications:

Name

Value

Thermal power, MW

8,0

Design pressure(steam and condenser tract), MPa

8,1

Temperature estimated(steam and condensate tract), C

300

Steam pressure at the outlet of collector(steam generator), MPa

7,0

Temperature, C
- steam
- condensate

285,8
285,8

Air pressure (absolute), MPa

0,09493...0,10405

Inlet(to the heat exchanger) air temperature (calculated), C

38

Air flow, m3/s

37,8

Hydraulic pressure test, MPa:
- Lower limit

- The upper limit

14,04
14,98

Number of coil heat exchanger, pcs

552

Length finned section of coil, mm

3410