The industrial internet of things (IIoT) combined with remote operations and maintenance promise to make the reduction of NOx much more cost effective. Luminant and Duke Energy already have remote centers monitoring the rotating parts at all their plants. Yara has a remote center monitoring the levels of NOx reagent in storage and automatically setting delivery schedules for the next truckload when required. Thermo Fisher has a remote center monitoring the NOx and other emissions continuously. MHPS has a remote center in the Philippines and is expanding into monitoring of combustion in coal-fired plants. Siemens has licensed tunable diode laser instrumentation and can determine O2 and CO levels at any point in the combustion zone. GE has neural networks which learn from burner damper settings and optimize their location. They have SootOpt which controls cleaning of the boiler tubes but balances NOx caused by additional energy consumed in the soot blower vs NOx resulting from inefficiency from ash laded tubes. Flowserve has remote monitoring of valves and pumps. Howden has remote monitoring of fan and compressor operations. These systems can reduce the cost of NOx control maintenance by being proactive as opposed to predictive or reactive. Several companies offer remote monitoring of coal flow and insure that the correct weight (not volume) is introduced into the boiler. With the new open access platforms and the cloud, it is now possible for… Click Here For Complete News Release Text
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