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Extraction condesing turbine

                                                                     

        The ENK and EHNK type turbine are multi-stage extraction condensing turbine and are designed on building-block system and their passage-flow part is optimized. The ENK and EHNK type turbine increase one stage or two stage controlled extraction on the NK and HNK foundation.

        ENK--maximum inlet steam conditions: 10MPa/480℃ maximum extraction pressure: 4.5MPa

        EHNK--maximum inlet steam conditions: 14Pa/540℃ maximum extraction pressure: 4.5MPa

        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 Steam rate Rated speed 
(r/min)
Ex-haust Pre-ssure
(MPa)
Wei-ght
(t)
Outline dimen-sion

Arrange-ment

Re-marks

Pre-ssure
(MPa)

Tem-pera-ture
(℃)

Pre-ssure
(Mpa)
Extrac -tion flow
(t/h)
Rated
(kg
/kw.h)
Pure con-den-sing
(kg/ kw.h)
(L×H×Wmm)
C1.5-2.35/ 0.98 T6202 1500 2.354 390 16.2 0.981 10.0 10.80 5.70 12080L
/1500R
0.0098 6.5 2345×2400×1670 Double layer ENK 25/ 28/ 25
C3-2.35/ 0.49 T6112 3000 2.354 390 21.6 0.49 10.0 7.0 5.0 9568L
/3000R
0.0080 10.8 2870×3020×2110 Double layer ENK 32/ 36/ 32
*1
C3-3.43/ 0.98 T6203 3000 3.432 435 25 0.981 15 8.33 4.80 9568L
/3000R
0.0090 10.4 2870×3020×2110 Double layer ENK 32/ 36/ 32
C3-3.43/ 0.78 T6126 3000 3.432 435 18 0.785 6 6.00 4.86 11583L
/3000R
0.0128 7.2 2470×2400×2110 Double layer ENK 25/ 28/ 37.5
C3-3.43/ 1.76 T6134 3000 3.432 435 33.3 1.765 19 10.61 4.92 11583L
/3000R
0.0090 7.2 2470×2400×2110 Double layer ENK 25/ 28
/ 37.5
*2
C3-3.43/ 0.78 T6137 3000 3.432 435 22.5 0.785 11 7.50 5.15 11583L
/3000R
0.0130 7.2 2470×2400×2110 Double layer ENK 20/ 28/ 37.5
C3-3.43/ 0.78 T6142 3000 3.432 435 26 0.785 17 8.67 5.15 11583L
/3000R
0.0130 7.2 2470×2400×2110 Double layer ENK 25/ 28/ 37.5
C6-4.9/ 0.78 T6241 6000 4.90 435 48.6 0.785 35 8.10 4.62 7683L
/3000R
0.008 15.8 3340×3430×2110 Double layer ENK 32/ 45/ 20
C6-4.9/ 0.98 T6232 6000 4.90 435 50.4 0.98 35 8.20 4.67 7683L
/3000R
0.008 15.8 3340×3430×2110 Double layer ENK 32/ 45/ 20
C23.3-4.3/ 1.75 T6015 23300 4.30 448 112.55 1.750 22.5 4.83 4.24 3000R 0.010 94 6440×5760×4340 Double layer ENK 63/ 81/ 40
C4-2.5/ 0.8 T6324 4000 2.50 360 27.1 0.80 8.0 6.58 5.26 9568L
/3000R
0.010 10.8 2870×3020×2110 Double layer ENK 32/ 36/ 32
C22-10/ 4.3 T6333 22000 10.00 500 170.0 4.3 100.0 7.59 4.00 7000L
/3000R
0.012 41.7 4580×4320×3290 Double layer EHNK 40/ 56/ 20
C16.8-10/ 4.1 T6340 16750 10.00 490 135.0 4.1 80.0 7.77 3.97 7100L
/3000R
0.0138 24.5 4130×4200×3000 Double layer ENK 40/ 45/ 60
C18-10/ 4.1 T6358 18000 10.00 490 140.0 4.1 80.0 7.59 4.30 7000L
/3000R
0.0112 41.7 4580×4320×3290 Double layer EHNK 40/ 56/ 20

Note: R—CW, view the generator from the turbine. L—CCW, view the generator from the turbine.
          *1—Pure condensing conditions: inlet steam flow12t/h, output: 2400kW
          *2—Non-controlled extraction pressure:0.392MPa,extraction flow: 4t/h



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