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Changes in properties of cut wire shot after high temperature treatment

2018-10-30 14:59:11   Review:0 Click:
  The fineness of pulverized coal has been coarser and the output of pulverized coal is lower since the cut wire shot is put into production according to the burning requirement. As a result, the quantity of pulverized coal can not meet the demand of boiler load when the quality of coal is poor, which affects the safety and economy of the boiler. However, the fineness of pulverized coal fluctuates greatly, which often can not meet the design requirement and also affects the safe operation. If small Aluminum cut wire shot are replaced, the fineness of pulverized coal can meet the requirement. The fineness of pulverized coal can be greatly improved and the output of pulverized coal can be improved by replacing the original cut wire shot with cut wire shot of 40mm.

  Because the wear resistance of cut wire shot made of wear-resistant materials is generally larger than that of high manganese cut wire shot, and the wear loss is about 1/3 of that of high manganese cut wire shot, the wear rate of cut wire shot with smaller diameters is not as great as that of high manganese cut wire shot, and the times of adding cut wire shot are reduced. cut wire shot and arc-shaped cut wire shot adopt the selected raw materials, add the best proportion of alloys, smelt in electric furnace, and then converted into cut wire shot.

  In the process of forming cut wire shot from liquid metals, the chemical composition and particle size are strictly controlled to ensure that the mechanical properties of the steel grains meet the requirements of various uses. After high temperature heat treatment, the steel grains are broken into steel sands. Finally, sand grains of various specifications are screened out by an automatic screening system.

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