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Sheldon Station has shown the low total cost of ownership of P84 bags
The Sheldon Station consists of two Babcock & Wilcox cyclone boilers burning Powder River Basin coal. Baghouses for each unit were constructed in 1999 and 2000, respectively, replacing ESPs. The bags are built to operate at 310F with a 3.5:1 cfm/ft 2 gas-to-cloth ratio. The dust loading is 0.97 grains per actual cubic foot (gr/acf) at the inlet and 0.005 gr/acf at the outlet.
Revision Date: 8/22/2019
Tags: 221118 - Other Electric Power , Evonik Industries, Bags, Power
36,000 hours of operation for P84+PPS bags at Eskom
Eskom owns and operates more than 40 GW of installed capacity and is the largest utility in Africa. The Arnot Power Station consists of six nominally rated 350-MW coal-fired units originally installed between 1968 and 1975.
Revision Date: 8/21/2019
Tags: 221118 - Other Electric Power , Eskom, Evonik Industries, Bag, Power, South Africa
Coal fired power in the U.S. and Europe shaped by regulations
Tony Licata provided a good summary of the impact of environmental regulations on coal fired power. He observes that the economic pressures of compliance with the MATS rule and the price of natural gas available for power generation have directly resulted in the closure of more than 30 GW of coal-fired capacity. As a result, there have been regional shortages of fly ash sold to the cement industry. This shortage has caused fly ash to be imported from China in some cases. However, certain high-uranium coal deposits in China produce fly ash that is too radioactive for reuse.
Revision Date: 5/7/2019
Tags: 221112 - Fossil Fuel 化石燃料, 221118 - Other Electric Power , Flyash, Regulations & Policy, Power
Dow HDPE water pipe for nuclear power plant
As this was to be the first ever use of HDPE in a safety-related water pipe system at a nuclear plant in North America, the team at Callaway had to create a material specification and related procedures from scratch. In the process, they underwent a change in mindset from focusing on what was available to specifying what was really needed. Most importantly, Callaway engineers began to work closely with members of the HDPE pipe value chain. These players included The Dow Chemical Co. (Dow) as the HDPE supplier, WL Plastics Corp. as the pipe manufacturer, and Independent Pipe Products Inc. for the manufacture of special pipe fittings. The consultant, Frank Schaaf, Jr. of Sterling Refrigeration Corp., was also instrumental in the work necessary to gain approvals from the NRC. Callaway team selected CONTINUUM DGDA-2492 Bimodal Polyethylene Resin from Dow as the raw material for its new ESW secondary water pipe system. According to the team at Callaway, this installation is a first important step toward HDPE becoming a preferred material for safety-related water pipe systems at nuclear power stations. AmerenUE is already planning to replace other buried piping with HDPE in other systems in 2009.
Revision Date: 8/31/2011
Tags: 221113 - Nuclear Electric Power Generation * , Sterling Refrigeration, Dow Chemical, WL Plastics, Callaway, Piping, HDPE Resin, Leakage, Water Treatment, Power