Had You Noticed to the Drawbacks of Rotary Kiln?

Generallly speaking, the lime rotary kiln promotes rapid development of cement industry and promotes people to research the application of rotary kiln, for this reason, rotary kiln is quickly and widely used in various industrial sectors and is increasingly important and becomes the core equipment in the production of relevant companies. So we always get the advantages of this type rotary kiln, but have you ever noticed to the defects of lime rotary kiln?
According to the different heating way, divided into two categories: inside outside heating and heating. Heating rotary kiln materials in direct contact with the flame and smoke, oxidation or reduction can be achieved by adjusting the furnace atmosphere, the cylinder body wall masonry firebrick, end hood lining for high strength wear resistant castable, between the end cover and cylinder for the flexible sealing, can completely eliminate dust and leakage of material. Outside heating rotary kiln materials do not direct contact with flames and smoke, heat between the shell and furnace, heating material through a heat resistant steel wall heat transfer, furnace lining refractory fiber, saving energy and reducing consumption.
In addition, the defects of lime rotary kiln are as follows: High capital cost for installation especially when using low feed rates; Careful operation in order not to damage refectory, Airborne gases or practices mat exit prior to complete oxidation, Spherical or cylindrical solids may pass through faster and avoid complete burning, Excess air required due to leaks, which lower fuel efficiencyIf drying grates are used prior to kiln they may become plugged with heat, High particulate loadings, Relatively low thermal efficiencyLiquid must be able to be atomizedLiquid must be hated sufficiently or supplement fuel added, Must be capable of complete combustion without flames hitting refectory, Liquid waste may clog burner nozzles, Require sophisticated instrumentation.
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