Sintering: we put the right amount of fuel and flux in various powdered iron-containing materials, and then add the right amount of water, after mixing and pelletizing, sintering equipment can make the material to a series of physical and chemical changes, slag particles agglomerated blockprocess. Sintering equipment: belt ventilation sintering machine is widely used in the production of sinter. Make iron and steel during the 1958 Longyan area are more concentrated in the iron mines began to develop soil sintering, commonly known as the plains blowing blast. In March 1968, 18 square meters, three steel sintering engine construction work. In April 1970, this equipment (not ball mill, impact crusher) was put into operation As the Baotou Steel beneficiation technology continues to progress, the grade of iron concentrate improves continuously, Bayan Obo iron concentrate SiO2 content has been reduced to 210-410%, provide basis for the production of low silica sinter and blast furnace smelting material sinterore. Iron ore in the SiO2 purposes have enough liquid phase sintering process so the bonded materials, but also to ensure that the sinter has a higher strength of the premise, using low silicon iron ore sintering, sinter quality mechanical strength may be significantly worse weekends. Especially for Bayan Obo iron ore ends, the content of CF2, K2O, Na2O is rich, during the sintering process, CF2 can absorb CO and SiO2 generate cuspidine, thereby reducing the number of effective formation of calcium ferrite CO, iron calcium generation amount was significantly reduced; K2O and Na2O are mainly distributed in the silicate glassy, vitreous stabilizer, is conducive to the formation of glassy, which?will inhibit the generation of calcium ferrite. From the orthogonal test result, we know that greater the range is, the greater the impact on the bond relative strength. The order in which the various factors that affect the strength of Baotou low silica sinter bonded phase strength: sintering temperature > alkalinity > MgO content > SiO2 content. Terrible analysis shows that the A-conditions (i.e., SiO2) optimal for the A1 (Table 1? (1) / 12 to 451, the binder phase highest intensity value), and so forth, bonded phase Optimal intensity sintering parameter level A1B2C1D4, that SiO2 content of 4.0%, alkalinity 2.5, the sintering temperature of 1200 C, 116% of the content of MgO.Therefore, in the certain circumstances alkalinity, Baotou Iron ore ends sinter production of calcium ferrite content is far lower than the normal sinter low silicon sinter strength problem is more prominent. To this end, we studied by micro-sintering test the parameters of the clad steel under conditions of low silicon sintering, the sintering temperature, with the amount of carbon basicity, SiO2 content, MgO content of the sinter bonded strength, and in this Cup sintering phase validation tests on the basis of Baotou Steel the to optimize low silicon sintering beneficiation process parameters provide a basis.