| 主权项 |
1. A device for continuously measuring the flow rate of steel melt near the surface thereof, the device comprising:
a flow rate detecting rod comprising a refractory material tube at one end and a stainless steel rod at an opposing end, wherein the stainless steel rod is fittedly connected with the refractory material tube; wherein the flow rate detecting rod comprises a refractory material of a single compound selected from the group consisting of Al2O3, MgO, SiO2, CaO, ZrO2, SiC or of a composite of two or more of a compound selected from the group consisting of Al2O3, MgO, SiO2, CaO, ZrO2, SiC; wherein the flow rate detecting rod has a length of 10-100 cm and a diameter of 5-50 mm; and a deflection device for the flow rate detecting rod, comprising a fastening screw for the flow rate detecting rod, wherein the flow rate detecting rod is fixed to the deflection device by the fastening screw for the flow rate detecting rod; the deflection device comprising a flow rate detecting rod counterweight, a deflection bearing sleeve, a deflection bearing, a deflection angle indicating board, a deflection angle pointer and the fastening screw for the flow rate detecting rod; wherein both the deflection bearing sleeve and the deflection bearing are circular, and the deflection bearing is slidably set against an inner wall of the deflection bearing sleeve; wherein the outer surface of the deflection bearing sleeve comprises a counterweight rod extending outward, wherein the counterweight rod and the fastening screw for the flow rate detecting rod are fixed to the outer surface of the deflection bearing sleeve respectively and spaced by 180 degrees, and the flow rate detecting rod counterweight is fixed to the counterweight rod; the deflection angle indicating board has a shape of sector, wherein the vertex of the sector is fixed to an end face of the deflection bearing, and the surface of the arc of the sector comprises scales; the deflection angle pointer is fixed to the vertex of the sector at one end, and the other end points to the scales on the arc of the sector, wherein the deflection angle pointer is parallel to the flow rate detecting rod, and rotates as the flow rate detecting rod rotates; and the flow rate detecting rod is fixed to the outer surface of the deflection bearing sleeve using the fastening screw for the flow rate detecting rod. |
