Factors Affecting the Thermal Efficiency of The Preheater for Lime Production

The preheater for lime production plays an important role in lime production line, It can preheater the limestone and reduce the waste of hot air. In actual production, there are many factors that affect the thermal efficiency of the preheater for lime production.
1 Effect of preheater separation efficiency on heat transfer efficiency
The separation efficiency has a significant effect on the heat transfer efficiency of the preheater. The research shows that the separation efficiency of the preheater for lime production has a linear relationship with the heat transfer efficiency.
2 Influence at all levels of cyclone separation efficiency on heat transfer efficiency
For the influence of multistage preheater, all cyclone separation efficiency on heat transfer efficiency is different. In general, improving the efficiency of the separation efficiency of the first stage cyclone can improve the efficiency of heat transfer.
3 Solid gas ratio affect heat transfer efficiency
With the solid gas ratio increasing, on the one hand, the heat transfer between gas and solid increases, on the other hand will make the temperature in the preheater for lime production material is reduced, increase heating load, so there is an optimum solid gas ratio. In the actual production process, the solid gas ratio of the pre - decomposition kiln is generally about 1, so it is beneficial to improve the thermal efficiency. In general, as far as possible to reduce the cooling equipment, strict sealing plugging, reducing heat consumption, which are conducive to improve the solid gas ratio, thereby improves the thermal efficiency.
4 Influence on heat transfer efficiency of cyclone series
Under normal circumstances, the more the cyclone series, the higher the thermal efficiency. Under the same conditions, the heat efficiency of the two stage cyclone can be increased by about 26%. But with the increase of the series, the increase of the thermal efficiency is gradually reduced, the resistance of the system is gradually increased, but the heat efficiency is not used. From the point of view of economic efficiency, the cyclone series should not be more than six.
Understanding the influence factor of preheater for lime production can help you improve the lime production efficiency, Henan Zhengzhou Mining Machinery Co.,Ltd (ZK) is professional in mining machine production and provides the lime kiln preheater and magnesium kiln preheater.