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Four Corners installs SCR on two boilers along with DSI
There is a good article on this retrofit in Power Magazine, 8-1-19. The SCR retrofit installation began in August 2015. The new technology on Unit 5 was completed in May 2018 and finished in July 2018 for Unit 4. The major participants, along with APS and AECOM, included Sundt Construction, a regional construction company, and Riley Power, part of Babcock Power Inc. Riley is known for manufacturing equipment for all types of fossil and waste fuel-fired boilers, including SCR systems. ■ Installation of four Riley Power SCR reactors (two per unit). ■ Installation of four Howden tri-sector rotary air preheaters (two per unit). ■ Installation of two dry sorbent injection systems, comprised of pneumatic truck unloading systems, storage silos, sorbent feed/transport blower systems and nozzles to inject hydrated lime upstream of the SCR reactors. You can view the whole article through the link below. You also see the advertisement for Trillium Pumps and Valves. In case you did not recognize the name it is the Weir Flow Control Group as a separate company.
Revision Date: 8/8/2019
Tags: 221112 - Fossil Fuel 化石燃料, 221118 - Other Electric Power , Weir Group, Babcock Power, Arizona Public Service, Howden