Newly Rotary Limestone Dryer Produced by Fote
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The machine mainly consists of the heat source, dispersion device, belt type feeding port, rotary drum, belt type discharge port, draught fan, unloader and power distribution cabinet. It dries pre-crushed materials, thus increasing the contact area between materials and the hot draught. Therefore, the efficiency is improved.
It refers to rotary calciner, also commonly known as rotary kiln for the building material sector. According to the differences of processing distinct materials, it can be roughly divided into cement kiln, metallurgy and chemical kiln and limekiln. Mainly used to calcinate cement clinker, however, the cement kiln can also be subdivided into dry method one and wet method one. The metallurgy and chemical kiln is widely used in magnetizing roast of lean iron ore of steel works, oxidizing roast of chromite and josephinite, roasting rich aluminous soil or bauxite of refractor matter processing plant, clinkering aluminium hydroxide of aluminium manufacturer, roasting chrome ore or powder of chemical plant. Limekiln also known as active lime kiln is to roasting active lime and calcined dolomite for steel works or iron alloy plant.
The newly installed rotary limestone dryer have to go through an empty machine test run before the drying production begins, and 4 hours is at least. The unusual occasions shall be taken care of in time during the test. After the empty machine test, tighten all the screws, check and add enough lubricating oil, and get everything ready for the load test run. Start the hot blast stove to pre-heat the stove and the cylinder body, in addition, this process need to be done gradually. A strong fire shall be prevented, and the cylinder body must be rotating while the heating is going on, and this is to prevent the accident caused by the uneven heating like the bending of the cylinder body. Add in the wet materials according to the preheating degrees, the preheating degrees can be checked by examine the moisture of the material that discharged from the dryer.
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