DEVICE AND METHOD FOR MEASURING FLOW RATE NEAR LIQUID STEEL SURFACE
    1.
    发明公开
    DEVICE AND METHOD FOR MEASURING FLOW RATE NEAR LIQUID STEEL SURFACE 审中-公开
    VORRICHTUNG UND VERFAHREN ZUR MESSUNG DERSTRÖMUNGSGESCHWINDIGKEITIN DERNÄHEEINERFLÜSSIGSTAHLOBERFLÄCHE

    公开(公告)号:EP2924443A4

    公开(公告)日:2017-07-12

    申请号:EP13856963

    申请日:2013-03-20

    摘要: The invention discloses a device and a method for measuring the flow rate of steel melt near the surface thereof, wherein the device comprises a flow rate detecting rod (18) and a deflection means (B) for the flow rate detecting rod. The deflection device (B) for the flow rate detecting rod comprises a flow rate detecting rod counterweight (20), a deflection bearing sleeve (23), a deflection bearing (24), a deflection angle indicating board (25), a deflection angle pointer (26) and a the flow rate detecting rod fastening bolt (27). Both the deflection bearing sleeve (23) and the deflection bearing (24) are circular parts, and the deflection bearing (24) is slidably set against the inner wall of the deflection bearing sleeve (23). The outer surface of the deflection bearing sleeve (23) comprises a counterweight rod extending outward. The counterweight rod and the flow rate detecting rod fastening bolt (27) are respectively fixed to the outer surface of the deflection bearing sleeve (23). The flow rate detecting rod counterweight (20) is fixed on the counterweight rod. The method comprises the following steps of calculating the distance between the rotational pivot and the barycenter, as well as the distance between the rotational pivot and the acting point of the impact force based on the barycenter, a rotational pivot and an acting point of an impact force of a flow rate detecting rod (18); measuring the gravity value of the flow rate detecting rod (18); inserting the flow rate detecting rod (18) into the steel melt to measure the rotational angle and insertion depth; and thereby calculating the flow rate of the steel melt.

    摘要翻译: 本发明公开了一种测量靠近其表面的钢水流量的装置和方法,该装置包括流量检测杆(18)和流量检测杆偏转装置(B)。 用于流量检测杆的偏转装置(B)包括流量检测杆配重(20),偏转轴承套(23),偏转轴承(24),偏转角指示板(25),偏转角 指针(26)和流量检测杆紧固螺栓(27)。 偏转轴承套(23)和偏转轴承(24)都是圆形部件,偏转轴承(24)可滑动地设置在偏转轴承套(23)的内壁上。 偏转轴承套筒(23)的外表面包括向外延伸的配重杆。 配重杆和流量检测杆紧固螺栓(27)分别固定在偏转轴承套(23)的外表面上。 流量检测杆配重(20)固定在配重杆上。 该方法包括以下步骤:基于重心,旋转枢轴和冲击的作用点来计算旋转枢轴与重心之间的距离以及旋转枢轴与冲击力的作用点之间的距离 流量检测杆(18)的力; 测量流量检测杆(18)的重力值; 将流量检测棒(18)插入钢水中以测量旋转角度和插入深度; 从而计算出钢水的流量。

    DEVICE AND METHOD FOR CONTINUOUSLY MEASURING FLOW RATE NEAR LIQUID STEEL SURFACE
    2.
    发明公开
    DEVICE AND METHOD FOR CONTINUOUSLY MEASURING FLOW RATE NEAR LIQUID STEEL SURFACE 审中-公开
    DEVICE AND METHOD FOR流量钢液表面附近连续测量

    公开(公告)号:EP2924442A4

    公开(公告)日:2016-09-28

    申请号:EP13856075

    申请日:2013-03-20

    摘要: The invention discloses a device for continuously measuring the flow rate of steel melt near surface thereof, wherein the device comprises a flow rate detecting rod (18) and a deflection means (B) for the flow rate detecting rod, wherein the flow rate detecting rod (18) comprises a refractory material tube at one end and a stainless steel rod at the other end, and the stainless steel rod is fittedly connected with the refractory material tube. The flow rate detecting rod (18) comprises a refractory material of a single compound or a composite of two or more compounds. The flow rate detecting rod (18) has a length of 10-100cm and a diameter of 5-50mm. The deflection means (B) for the flow rate detecting rod comprises a fastening screw (27) for the flow rate detecting rod, and the flow rate detecting rod (18) is fixed to the deflection means (B) for the flow rate detecting rod by using the fastening screw (27) for the flow rate detecting rod. The present invention also provides a method for continuously measuring the flow rate of steel melt near surface thereof, comprising the steps of determining the barycenter, the rotational pivot and the acting point of an impact force on the flow rate detecting rod; calculating the distance between the rotational pivot and the barycenter, as well as the distance between the rotational pivot and the acting point of the impact force; measuring the gravity value of the flow rate detecting rod; inserting the refractory flow rate detecting rod into the steel melt to obtain a rotational angle and an insertion depth; and consequently calculating the continuous variation of the flow rate of the steel melt.