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Outstanding performance and cost savings at Blast Furnace Blowers
Metals
Stahlwerk Shougang Jingtang, China
Maximum performance and significant cost savings at the Blast Furnace Blowers
The Shougang Jingtang United Iron & Steel Co.,
Ltd. with an annual steel output of about 10 million tons of iron and steel is
located in the Caofeidian Industrial Zone of Tangshan City, Hebei Province. For
two 5500 m3 blast furnaces a blower station is necessarily set up.
11 synchronous motors (including three 60MW High Voltage motors, the largest ever installed in China, to drive the giant blowers)
6 sets of LCI’s (Load Commutated Inverters), including 2 sets of 14.5 MW SINAMICS GL150 starting converters) for the blast furnaces, air separation units and sinter plants
Matching Transformers
1 set of Medium Voltage Switchgears
Outstanding Performance: largest electrical motors ever installed in China
Cost Saving (CAPEX): no separate gears necessary, as they are 2-pole motors
Cost Savings (OPEX): higher energy efficiency and maximum plant availability
Successful start up rate of more than 99% and within 1-2 minutes
The Shougang Jingtang United Iron & Steel Co., Ltd. with an annual steel output of about 10 million tons of iron and steel is located in the Caofeidian Industrial Zone of Tangshan City, Hebei Province.
For the two 5500 m3 blast furnaces a blower station is necessarily set up. Three axial-flow BF blowers (two in operation and one stands by) are installed inside the blower station. The maximum air volume of the blowers is 10000 Nm3/min and the air pressure at outlets is 0.65 MPa(a).
