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Extraction backpressure turbine

(ENG EHNG Type)

        The ENG and EHNG type turbines are multi-stage extraction backpressure turbine and are designed on building-block system and their passage-flow part is optimized. The ENG and EHNG type turbine increase one stage or two stage controlled extraction on the NG and HNG foundation.

        ENG Type
        ·maximum inlet steam conditions: 10MPa/480℃
        ·maximum extraction pressure: 4.5MPa
        ·maximum exhaust pressure: 10MPa


        EHNG Type
        ·maximum inlet steam conditions: 14MPa/540℃
        ·maximum extraction pressure: 4.5MPa
        ·maximum exhaust pressure: 2MPa

        A governing system of unit consists of many standard assemblies. The governing system automatically changes the extraction pressure to a quantity of electrical or a pneumatic quantity, then the electrical or pneumatic governor achieves work. This unit also provides the protection devices that have difference functions.

Type

Code

Rated output (KW)

Inlet conditions

Inlet steam flow
(t/h)
Extraction conditions Exhaust Pre-ssure
(MPa)

Rated speed
(r/min)

Steam rate
(kg/ kW.h)
Wei-ght
(t)
Outline dimen-sion

Arrange-ment

Re-marks

Pre-ssure
(MPa)

Tempe -rature
(℃)

Pre-ssure
(MPa)
Ex-trac-tion flow 
(t/h)
(L×H×Wmm)
CB1.5-3.43/ 0.98/ 0.49 T6023 1500 3.432 435 20.0 0.981 6 0.490 12080L
/1500R
12.70 6.9 2280×1680×1515 Double layer ENG25
/20/25
CB2-3.43/ 0.98/ 0.20 T6240 2000 3.432 435 20.0 0.981 9 0.20 12080L
/1500R
10.0 6.9 2630×1880×1920 Double layer ENG25
/20/25
CB2.6-3.43/ 0.78/ 0.25 T6069 2600 3.432 435 26.0 0.785 12 0.245 9568L
/3000R
10.0 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB3-3.43/ 0.98/ 0.49 T6060 3000 3.432 435 35.0 0.981 10 0.490 9568L
/3000R
11.17 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB3-3.43/ 1.08/ 0.39 T6188 3000 3.432 435 36.0 1.079 17 0.392 9568L
/3000R
12.0 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB3-3.43/ 0.9/ 0.4 T6238 3000 3.432 435 35.0 0.90 15 0.40 9568L
/3000R
11.67 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB3.9-3.43/ 1.57/ 0.49 T6226 3900 3.432 435 55 1.57 30 0.490 9568L
/3000R
14.1 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB6-4.9/ 0.78/ 2.45 T6242 6000 4.903 435 56.7 0.785 35 0.245 7683L
/3000R
9.45 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB6-4.9/ 1.47/ 0.98 T6231 6000 4.903 435 76.5 1.47 13 0.98 7683L
/3000R
12.75 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB7-4.9/ 1.27/ 0.59 T6215 7080 4.903 470 66 1.27 10.5 0.588 9364L
/3000R
9.32 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB12-4.9/ 0.98/ 0.29 T6228 12000 4.903 435 133 0.98 91.5 0.294 3000R 11.0 27 3800×3100×3000 Double layer ENG50
/40/50
CB25-8.82/ 4.02/ 0.17 T6035 25000 8.824 535 295 4.021 200 0.175 3000R 11.70 62.5 6020×4250×3860 Double layer ENG50
/63/0
CB1-2.35/ 0.9/ 0.49 T6276 1000 2.354 390 18.0 0.90 8.0 0.49 12080L
/1500R
17.6 6.9 2280×1680×1515 Double layer ENG25
/20/25
CB12-4.9/ 0.98/ 0.29 T6284 12000 4.90 435 125.0 0.98 65.0 0.294 3000R 11.0 27.0 3800×3100×3000 Double layer ENG50
/40/50
CB12-8.83/ 4.31/ 1.27 T6287 12000 8.83 535 166.0 4.31 65.00 1.27 3000R 13.51 32.64 4200×3710×3300 Double layer EHNG50
/40/50
CB12-4.9/ 0.98/ 0.29 T6298 12000 4.90 435 138.7 0.98 100.0 0.294 3000R 11.0 27.0 3800×3100×3000 Double layer ENG50
/40/50
CB3-4.9/ 2.695/ 1.0 T6306 3000 4.90 470 48.90 2.695 16.50 1.00 9568L
/3000R
15.90 8.5 2630×1880×1920 Double layer ENG32
/25/32
CB25-8.83/ 3.34/ 0.98 T6308 25000 8.83 535 292.0 3.34 140.0 0.98 3000R 11.49 44.70 5000×5500×3500 Double layer EHNG50
/50/32
CB12-4.9/ 1.18/ 0.58 T6353 12000 4.90 435 123.0 1.18 30.00 0.588 3000R 10.24 27.00 3800×3100×3000 Double layer ENG50
/40/50
CB12-4.9/ 2.25/ 0.58 T6354 9400 4.90 435 113.0 2.25 35.00 0.588 3000R 11.88 27.00 3800×3100×3000 Double layer ENG50
/40/50

Note: R—CW, view the generator from the turbine. L—CCW, view the generator from the turbine.



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