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0571-88230780

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Desuperheating device

Desuperheating device

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Superheated steam desuperheater nozzle series
 
DSH type W15 type W16-C type W12 type W16-H type W08-B type W08-A type W10 type W15-C type
Sketch Map MEIYA MEIYA MEIYA MEIYA MEIYA MEIYA MEIYA MEIYA
Feature One-piece construction with no additional control valves, multi-stage CV with six or nine nozzle configurations, high pressure class The variable area nozzle is used to adapt to the change of flow rate Fixed area nozzles, with one or two nozzles, suitable for stable flow conditions Large injection volume, can be configured with multiple nozzles, can be directly welded with the main steam pipeline Venturi type flow passage for small steam pipes Venturi-type runner, especially suitable for small differential pressure, low flow Double venturi tube design, improve atomization efficiency, to ensure the minimum wall erosion, the best efficiency Suitable for LNG temperature adjustment, it can handle the injection of cryogenic medium within -196° C
Max pressure level ANSI 2500 ANSI 2500 ANSI 2500 ANSI 2500 ANSI 600 ANSI 2500 ANSI 600 ANSI 600
Nozzle form Variable nozzle Variable spring assist Fixed Variable spring assist Fixed Fixed Fixed Variable nozzle
Max adjustable ratio 50:1   30:1 6:1 25:1 15:1 7:1 20:1 50:1
Close to the temperature 7°C 7°C 7°C 7°C 6°C 5°C / /
Max differential pressure (water and steam) 60Bar 25Bar 30Bar 25Bar 30Bar 40Bar 60Bar1 60Bar1
Min differential pressure (water and steam) 1~2Bar 3~6Bar 1.5Bar 3~6Bar 3Bar 0.5Bar 0.5Bar 1~2Bar2
Max water injection/upstream steam flow 20% 20% 15% 35% 15% 20% 50%3 50%3
Size of steam pipe at installation 3”,4” 2”~ 8” 2”~ 4” 8”~ 40” 1.5”~ 4” 3”~ 20” 3”,4” 3”,4”
Water piping size 1”~ 3” 1”~ 3” 1”~ 1.5” 1”~ 6” 1/2”~ 1” 1/2”~ 3” 1”~ 3” 1”~ 3”
Connection type Flange、Weld Flange Flange Flange、Weld Butt clamp、Weld Butt clamp、Weld Flange、Weld Flange、Weld
Distance from sensor 10~20m 10~20m 10~15m 10~20m 8~10m 5~7m 8~12m 8~12m
Min downstream straight pipe length requirement 4m or 5DN 5m or 6DN 4m or 5DN 5m or 6DN 3m or 20DN 2m or 15DN 4m or 5DN 4m or 5DN
Max water flow 50m3/h 65m3/h 25m3/h 350m3/h 5m3/h 40m3/h 50m3/h 50m3/h