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Measures To Reduce The Consumption Of Solid Fuels
Jun 02, 2017

  Measures to reduce the consumption of solid fuels

  1.1 to strengthen the acceptance of fuel into the work

  Do a good job of fuel acceptance work, is to put a good number of off and quality off. The strict requirements of the acceptance of personnel, so that the quality of failure or tonnage is not real trips determined not to storage, and timely reporting workshop, dispatch room. At the same time increase the staff of the assessment, reward efforts. In addition to this, has also developed a fuel quality early warning mechanism, from the source to ensure the quality of fuel.

  1.2 Control fuel particle size

  During the sintering process, the combustion of the fuel is controlled by diffusion. The burning rate of the sintering mixture and the thickness of the combustion layer are related to the fuel particle size, the air velocity and the permeability of the layer. In the sintering production process, when the coal particle size is too thick, due to the uneven distribution of coal in the mixture, the fabric is prone to segregation. So that the temperature distribution of the sintered material layer is not uniform, part of the region over-melting, while the pulverized coal particle size is too thick, but also to widen the combustion zone, material layer resistance increases, resulting in reduced sinter production. The burning zone is too narrow, the burning speed is too fast, the high temperature holding time is short, the liquid phase is insufficient, so that the strength and the yield of the sinter are all reduced, and the waste is too small fuel. Production practice has proved that the most appropriate particle size to control the grain size below 3mm accounted for 78% to 80%, too high or too low, will cause a waste of solid fuel. But the actual production of broken fuel particle size pass rate is not high, the solid fuel particle size is less than 3mm part to be greater than 75%. The current situation for the solid fuel particle size is less than 3mm part to only 70%, by analysis, due to feed the electric feeder to the larger feed, resulting in double crusher and four-roll crusher crushing efficiency, solid fuel particle size Can not meet the requirements of 75%, by improving the feeding angle of the electric feeder to adjust within a reasonable range to ensure that the fuel crushing efficiency, after the improvement of fuel particle size less than 3mm part of more than 75%.