With one or two notable exceptions, practically every industrialized country in the world acknowledges that we are facing a major global warming problem.
The reasons for global warming are well known; our use of fossil fuels for energy, transportation, and various other factors. Nevertheless, we cannot switch off every coal or oil-consuming power station while developing and bringing on-line 'clean' energy-generating processes. Hence biofuel. As a compromise, biofuel ticks all the boxes. It is carbon neutral and, in most instances, is produced from waste material – combustible industrial products, food, and agricultural waste and, of course, trees grown specifically for the purpose.
In most, though not all instances, these waste products are pelletized for easy transportation and combustion. When it comes to the delivery of pelletized biofuels into the conveying lines that feed power station boilers, DMN-WESTINGHOUSE is an acknowledged specialist. There are six rotary valves that DMN-WESTINGHOUSE recommends for handling pelletized biofuels, and the final choice will depend on the quality of the pellet. For example, a massive power generator in North-East England uses modified AL and AML series rotary valves. These valves have wear-resistant bores and hardened rotor blades. While DMN-WESTINGHOUSE recommends two different diverter valves – GPD and BTD – it is the latter that will be most suitable for handling an abrasive pelletized biofuel. The BTD is namely a ball-type diverter which has been specifically designed to handle abrasive products in a pneumatic conveying system.
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