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Combustion Products Incorporated (CPI) supplies adjustable coal distribution devices for the precise control of mass and velocity.
The primary use is in balancing fuel delivery to individual burners of coal-fired power plants.
Controling flow from coal pulverizers to the burners is critical to obtaining optimized combustion. In todays’ Power Market where both efficiency and reduced emissions are vitally important, the ability to control the coal delivery for combustion is essential to achieving both.
CPI’s engineered approach to coal control has led to a variety of solutions for coal balancing. The NT Series (Patent Pending) coal valve was developed as a result of the need to balance coal pipes while also maintaining/creating a more homogenous coal distribution in the coal/air stream of the coal pipe. This again, is essential for optimizing combustion . The use of the NT valve will allow for reduced NOx, unburned carbon, CO as well as improved boiler performance. It can also lead to decreased slagging and boiler tube wastage.
Because the coal in a coal pipe is prone to roping (flowing in very small, contrated areas within the coal conduit), any means of adjusting or restriction in the pipe needs to take this into consideration and act to break up a rope or otherwise more evenly distribute the coal across the pipe cross-section. While most restricting type variable orifice coal control devices move coal into more concentrated coal regions (coal ropes), The NT Series Coal Valve uses a (patent pending) perforated blade design. The more the pipe is restricted with the NT Coal Valve, the more redistribution of the coal is performed for better combustion.
CPI has supplied coal balancing solutions for many applications involving pressurized and exhauster mills. The results of these installations has been an improvement to efficiency and reduction of emissions at the plants.
Contact us for more information about how we can help you with your coal balancing needs.
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