1results about How to "Shorten the refining cycle" patented technology

The utility model belongs to the field of powder spraying metallurgy technique, disclose a kind of RH furnace pressure circulation powder spraying system, by immersion type injection lime powder in RH riser, improve RH furnace desulfurization capacity, promote molten steel purity;Reduce raw material consumption, improve metallurgical effect.It include refining ladle, RH furnace body and powder spraying tank;RH furnace body is located above refining ladle;The side of RH furnace body is equipped with booster inlet, booster inlet is connected with booster pump by pipeline, and gas pressurization is passed to RH furnace body by booster inlet;The other side of RH furnace body is equipped with powder spraying port, and powder spraying port is connected with powder spraying tank and booster gas source respectively by pipeline;Powder of powder spraying tank is carried out powder spraying operation to the inside of RH furnace body by powder spraying port, and booster gas source is used to provide conveying power for powder.