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.