Abstract:According to the control difficulty of the low phosphorus. Low titanium and low sulfur steel production, by studying the research and application of the melting with oxygen injection rapid dephosphorization and titanium removal technology and high efficient and rapid desulphurization technology, the development and application of the purified SPC titanium deoxidation technology, and the integrated applications, a set of mature low phosphorus, low titanium and low sulfur steel smelting process was formed to solve the problem of difficult dephosphorization and titanium removal in electric furnace, high consumption of lime and high consumption of low phosphorus alloy for alloying, big increase of the amount of titanium in refining process, difficult desulfurization (changing the slag), big fluctuation of the refining cycle, and high smelting cost. And the phosphorus, titanium and sulfur contents in steel were very low. The electric furnace endpoint phosphorus and titanium could reach below 0.004% and 0.000 6%, respectively. The mass fraction of phosphorus, titanium and sulfur in finished product were no more than 0.010%, 0.003% and 0.003%, respectively. The hydrogenation content in molten steel was no more than 0.000 15% and the oxygen concentration was in the range of 0.001 1%- 0.001 4%. Thus, the bulk steady production of the low phosphorus, low titanium, low sulfur and high clean steel was realized, and the product quality could meet the requirements of high- end users.