HTPC1 Completes Boiler Water Pressure Test for Second Unit of Yichuan Longquan Jinheng Power Plant Renovation

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Researched by Industrial Info Resources China (Beijing, China)--Henan No.1 Thermal Power Construction Company (HTPC1) (Zhengzhou, Henan), a subsidiary of Power Engineering Corporation of China (PECC) (Beijing), completed the boiler water pressure test for the second 660-megawatt (MW) unit of the Yichuan Longquan Jinheng Power Plant Renovation Project on November 20, 2012. This is another important milestone achieved by HTPC1, following the completion of the 168-hour, continuous, full-load trial operation for the first 660-MW unit on November 1, 2012, according to an announcement from the PECC on November 21.

The Yichuan Longquan Jinheng Power Plant, located in Shuizhai Town, Yichuan County of Luoyang City, is also referred to as Yichuan No. 2 Power Plant. The renovation project is furnished with two 660-MW, ultra-supercritical, coal-fired units that replaced four 135-MW, small-size, coal-fired units. The main equipment--including boilers, steam turbines and generators--of both units are supplied by Shanghai Electric Corporation (Shanghai, China). Through public bidding, HNTP1 won the construction and installation bids for both units of the project in early 2011.

Construction of the project kicked off in June 2011, but the project didn't receive final approval from the National Development and Reform Commission until February 2012. The construction of the new units and the dismantling of the old units will be carried out simultaneously. HTPC1 has overcome a lot of difficulty during the construction to ensure the project's progress.

The boiler water test for the No. 2 boiler began on November 19 and reached the working pressure of 26.15 megapascal (Mpa) on the morning of November 20. The testing pressure was then built up to 34.8 Mpa and maintained for 20 minutes. Upon inspection, there was no any leak or deformation found in the 49,788 welding seams of the heating surface.

Presently, HTPC1 is working with related parties to achieve timely commissioning of the second unit in the first quarter of next year.

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