Effect of chemical composition of impurities in the limestone ore, in addition to the active ingredient-containing CaCO3, but also contains a variety of harmful impurities. There are three main ways to impurity sources: (1) self-contained mineral impurities, such as: SiO2, Al2O3, Fe2O3, K2O, Na2O, P, S and the like. (2) ore in the mining process, ore wall rock or mezzanine mixed impurities. (3) ore in mining, transportation, loading and unloading, ore adhered to the surface of the soil, sand and other impurities. No matter where it comes from impurities, will be on the lime kiln to produce great harm. Calcium-containing compounds such as impurities in the SiO2, Al2O3, Fe2O3, and began firing in lime CaO occurs at a lower temperature (900 ℃) reaction, in the firing zone is easy to form a liquid phase, with a low melting point adhesive, such as silicon limestone (CaO · SiO2), dicalcium silicate (2CaO · SiO3), iron and calcium (CaO · Fe2O3 and 2CaO · Fe2O3) and other environmental protection lime kiln, with increasing reaction temperature. These low-melting compound after generation, resulting in mutual bond between the lime particles clogging the particle surface pores, Kunshan environmental protection lime kiln, not only reduces the activity of the lime, can also block the escape of CO2 decomposition pathways, so that incomplete decomposition of limestone calcination lime with "core, forming a green burnt lime, resulting lime activity decreased, affecting its quality. When the impurity content is too high, and after the reaction, CaO lime kiln tumor mass formation, resulting in furnace operation disorder. When SiO2, total Al2O3 and Fe2O3 or Na2O, K2O, respectively when more than 4 to 5 percent, or 0.1 to 0.2%, easily cause harm to furnace conditions, according to China's national conditions, the introduction of Japan, Ltd. Kawai lime shaft kiln technology, Taicang lime kiln , in accordance with 'edge introduction, digestion and absorption edge, while the development of' the spirit we have designed energy-saving and environmental protection has become JHZS automation lime shaft kiln. and formed a number of China's patent technology has been widely at home and abroad to build up production of nearly Block recent years with its significant energy saving, environmental standards, high degree of automation, high product quality, low construction cost, built by the advantages of short cycle to favor state-owned large and medium, private and individual enterprises and many Southeast Asian countries. Lime knowledge 1 , large central air-cooled by a heat-resistant steel burner composite skeleton and refractory materials cooled composite made of high temperature, wear-resistant, long life, the burning power of 5 ~ 15GJ / h. is provided with a central firing and growth central flame. management of the lime kiln (kiln) Center insufficient airflow, temperature distributed unevenly, raw burn center and edge over burning issues. improve the TGS lime kiln (kiln) yield and quality, in favor of lime kiln (lime kiln) is large. can provide stable high active lime (lime) of steel. 2, roof combustion air preheater, Suzhou green lime kiln, the material provided on the roof above the surface of the slow air flow space effectively avoid the wear and thermal expansion issues containing gas charge and when receiving boiler combustion air pipe can be preheated to 220-300 ℃, greatly improving the lime kiln (kiln) thermal efficiency than usual blast furnace gas lime kiln (lime kiln) throttling gas more than a third. 3, Japan pit side burner, to special fire-resistant material replace the furnace heat of steel, burning solid and reliable, long life and easy tempering Changshu green lime kiln , environmental protection lime kiln, kiln blue sky by LUOZHUANG Kiln Ltd. Linyi City blue sky. LUOZHUANG Kiln Ltd. Linyi blue sky (www.lyshihuiyao.com) (www.lyshihuiyao.com) strong, credible In Shandong Linyi smelting and processing industry has accumulated a large number of loyal customers. The company better work attitude and continuously improve innovative ideas will lead blue sky kilns and you hand in hand into the brilliant, for a better future!