Archive: Coal

pilot-operated-safety-valve

Piloting Boiler Startup at Lightspeed

Many combined cycle power plants are being operated as peaker plants, rather than as baseload units. That can pose a problem for economizer safety valves. Pilot-operated safety valves offer several advantages

Strengthening the Energy Sector’s Cyber Preparedness

The Department of Energy (DOE) in March 2018 released a 52-page report outlining its multi-year strategy to improve cybersecurity. In the report’s introduction, Assistant Secretary Bruce J. Walker noted that

MPW’s Automated Bundle Blaster

MPW’s Bundle Blaster Side Cleaner system is designed to remotely clean the shell side of small to medium
sized tube bundles, up to 36 feet in length. The tube bundle is placed on hydraulically actuated rollers to
incrementally turn the bundle during the cleaning process while the cleaning head runs horizontally on a track
over the bundle. MPW’s

POWER Digest [June 2019]

Ansaldo Leads Research Initiative for Low-NOx High-Hydrogen Retrofit Solution. The Dutch government has awarded six partners—Ansaldo Thomassen, Delft University of Technology, OPRA Turbines, Vattenfall

PG&E Bankruptcy Truly One-of-a-Kind

Numerous articles have boldly declared Pacific Gas and Electric (PG&E) to be the first of many climate change-related bankruptcies to come. The authors wag their fingers in caution at corporations across

Coal Power Plant Improves Pump Seal Performance

A German power plant experienced premature wear and excessive seal corrosion in its boiler feed circuit and flue gas desulfurization slurry pumps. By upgrading the performance of the pump seals and

Equipment Showcase: Valves, Pipes, and Fittings

Proper valves, pipes, and fittings are important for the successful operation of power generation facilities. This equipment includes products with versatile designs to establish effective joining and sealing

Illinois Passes Landmark Coal Ash Legislation

Illinois on May 27 became the third state in the nation to pass legislation requiring coal ash protections beyond federal requirements.  The state’s House passed the Coal Ash Pollution Prevention Act (SB 9) in a 77-36 vote on Monday, only weeks after Senate passage of the bill in a 39-9 vote on May 9. The […]

Power Marketer to Tri-State: We’ll Buy and Close Your Coal Plants

A wholesale power provider in Colorado wants to supply the state’s largest electric cooperative with power from mostly renewable sources, saying it will pay Tri-State Generation and Transmission Association to retire its coal-fired plants in Colorado and New Mexico. Tri-State, at least for now, said it will not consider the offer. Denver-based Guzman Energy on May […]

[UPDATED] EPA Sets Schedules for Long List of Power Plant Regulatory Actions 

The U.S. Environmental Protection Agency (EPA) will act on a spate of power plant rules over the next year, its newly released agenda of regulatory and deregulatory actions shows. The May 23-released “Spring 2019 Agenda of Regulatory and Deregulatory Actions” lists 35 new actions, along with 57 actions that it considers “deregulatory.” The list includes new […]

Xcel Sets Closure of Minnesota Coal Plants

Xcel Energy on May 20 announced it would close its two remaining coal plants in Minnesota over the next decade, and the utility said it also wants to operate its Monticello nuclear plant in the state until at least 2040. Xcel, which is headquartered in Minneapolis, Minnesota, and serves electricity and natural gas customers in […]