Izinkuni zaseRare Earth Silicon
2024.12.27
Izinkuni zomthengisi we-web, ukuthumelela kwe-alloy ye-silicon yaseRare Earth njengoba isivumelwano esibalulekile kakhulu kwi-istili. Izinga lethu liyisikhathi eside lokuvula, ukwenza futhi ukusebenzisa i-alloy ye-silicon yaseRare Earth. Kodwa kusukela manje sisebenzisa indlela yokuqala ye-elektholakhi. Lolu hlobo lwesakhiwo luyisikhathi eside; ekuphakameni kwezimo zokuyela, kudinga ukufaka isilinganiso esiningi se-lime ukwenza islagi kanye nokwenza i-lime alkalinity. Islagi esiningi, isilinganiso eside seRare Earth; Izinga lomthengisi luyisikhathi eside. Ezweni elingenamandla, i-alloy yeRare Earth kanye ne-alloy ye-alkaline iron kuhamba phambili kakhulu nge-indlela yokuqala yokuyela. Lolu hlobo lwezimo luyisikhathi eside ngenxa yokusebenzisa izinto ezinkulu zezinto ezimbi kanye nokwenza i-alloy ngaphakathi kwesakhiwo esikhulu se-ore, kungaba kuhamba phambili ekwenzeni izinto zokuthengisa, kodwa, kuhamba phambili ngenxa yokuthi kungaba kuhamba phambili ekwenzeni islagi noma i-carbide emnyango we-furnace, kuzokwenzeka izinkinga eziningi. Kwenza ukuthi ubude bokuthengisa kanye nezici zokusebenza zezomnotho zokufaka isikhathi eside kakhulu. Izinga lethu futhi libonakala libonisa ukuthi kunesidingo esihle.
Izingxenye zomsebenzi zomthengi wewebhu zokuhambisana, uxhumane nge-NetEase kanye nezinye izinhlelo zokubonisa ezisebenzayo.
Izinkuni zezintuthu zezintuthu ziyisisekelo, zinobala lobumba, zinomzimba olungqimba kanye nesikhumba, kuyisusa ukuphukusa. Izinkuni zezintuthu zezintuthu ziyisisekelo esiliva. Izinkuni zezintuthu zezintuthu zezintuthu ziyisisekelo ziyakala ngokucacekisa okwesibhakabhaka esiliva. Indawo yezintuthu yezintuthu inezinsiza ezingu-4.5-4.7g / cm3, indawo yokuyela kuyi-1200-1260℃.
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Rare earth ferrosiliconalloys are very effective as denaturants in steel. China is one of the earliestcountries in the development, production and application of rare earth ferrosiliconalloys. However, a single electro-silicon thermal method is still used until now.The total energy consumption of this method is high; In the smelting process, inorder to create good reduction conditions, a large amount of lime slag should beadded and the alkalinity of slag should be adjusted. The amount of smelting slagis relatively large, and the rare earth yield is low; The content of Ca and A1 inthe product is high. In foreign countries, rare earth ferroalloys and alkaline earthferroalloys are basically smelted by the carbon heat method of the original method.This method can greatly reduce the cost of the product due to the use of cheap oreraw materials and the direct production of alloys in high-capacity submerged furnaces,but it is usually quite difficult due to the formation of slag or carbide nodulesin the furnace. It has led to a serious deterioration of the alloy quality and allproduction technical and economic indicators. My country has also made useful attempts.Rare earth ferrosilicon alloys generally contain 17%-37% of rare earths, 35%-46%of Si, 5%-8% of Mn, 5%-8% of Ca, 6% of Ti, and the rest are iron. The alloy is silvery-graywith a melting point of 1473-1573 °C. Rare earth ferroalloys are lumpy, metallic,hard and brittle, and easy to crush. Rare earth ferrosilicon alloys are silvery-grayin color. Rare-earth ferrosilicon alloys shimmer blue in a silvery-gray matrix.The density of rare earth master alloy is 4.5-4.7g/cm3, and the melting point is1200-1260 °C. As an anti-wear material, high-chromium white cast iron has been widelyused in mining machinery, agriculture, building materials and other industries.At present, the problem of high chromium cast iron is that its wear resistance andtoughness cannot achieve a good fit under specific working conditions. China isrich in rare earth resources, and the structure of high-chromium cast iron is refinedthrough rare earth metamorphism, and its performance is improved by correspondingheat treatment process. When the amount of rare earth is about 0.9%, the wear resistanceand toughness of high-chromium cast iron achieve the best fit.
Thengisa Ekuphileni Kwethu
Thengisa Ekuphileni Kwethu
Sithembekile ngabanye abacwaningi abahamba nathi. Lungisa nathi ukuze ubuyiselele impilo yakho.
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