Beijing ceramic lining alloy steel pulverized coal company   

Beijing ceramic lining alloy steel pipe company coal lance Pulverized coal is pulverized coal in the blast furnace tuyere direct injection to the ground of the blow, with heat and the role of the reducing agent to replace coke up. In order to decrease the coke rate, reduce the cost of pig iron. It is a major technological revolution of modern blast furnace, blast furnace ironmaking is the key technology and other methods of competition, the survival and development of the. Therefore, BF has been widely used and rapidly developed in the world. Technical service hotline: 13611190270 professional wear solutions The gun used in modern blast furnace, the use of ordinary seamless stainless steel tubes or high strength heat-resistant welded steel pipe, the short service life of frequent replacement, high labor intensity of workers, increase the effect of the production of pig iron, iron cost, resulting in direct economic losses. In order to prolong the service life of the spray gun, I am using self propagating gravity technology successfully developed "ceramic lined steel pipe, alloy spray gun" in the injection speed is 130kg / T, the Cr25Ni20 pipe lining ceramic 2mm do spray gun, the average service life increased by 3-4 times, tuyere wear rate also fell 80%. By "not only improves the service life of the ceramic lined gun alloy spray gun" tube, but also for the protection of air, reduce the blast created conditions off the wind, more important is to stabilize and improve the quantity of coal for blast furnace to achieve high blast temperature, oxygen enrichment, large injection plays a pivotal role. Wear resistant ceramic http://www.naimotaoci.cn Although the market has a similar product, but the gun life expectancy is not high, only about 50 days, the general problem is the existence of the porosity of ceramic layer lining pipe is too high, do not wear, ceramic in high speed under the impact of the pulverized coal and the steel tube is fragile, is not easy to fall off closely. This is mainly due to the preparation of key technologies, in the preparation process in order to reduce the porosity of large amount of SiO2, which leads to decrease the content of Al2O3 ceramic layer, the wear resistance of the ceramic layer and the bonding strength is greatly reduced and the steel pipe.