Importance

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Abstract

Coal energy is delivered from the mine to a distant point of use by a system involving the pulverization of the coal at the mine, and carrying it as a nonexplosive suspension in a pipeline or conduit, with high pressure coal gas which is made at the mine being employed as the transport medium. At the delivery point, the gas, as well as the coal dust can be fired directly into the furnace, or the coal can be separated from the coal gas and stored. Arrangements are provided for insuring that the finely pulverized coal may be maintained in suspension within the transport pipe, and such arrangements may include spiraling vanes to insure that settling particles are reintroduced into the main gas stream, and separate sections within the pipe, or a supplemental pipe for the high pressured gas to permit restarting of the flow in the event of a power failure and the settling out of the particles.

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First Claim