摘要:
The present invention relates to a casting mold (1) comprising a copper plate (10) and a plurality of optical fibers (20), each (20) of the optical fibers having a plurality of temperature measuring points (22) arranged for measuring temperature of the copper plate (10) while casting, wherein a molten metal (40) is cast into the casting mold (1) along an axis (Y), wherein the optical fibers (20) are built-in the copper plate (10) and are arranged at least upper part of the copper plate. In an embodiment, the casting mold is provided with at least 500 temperature measuring points.
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:
The invention relates to a method for determining the melt and/or slag level in a furnace vessel (1). In order to be able to determine in particular the slag height in the furnace vessel in a simple and accurate manner, the method according to the invention comprises the following steps: a) preparing a measuring probe (2) having a structure extending in a longitudinal direction, and in which probe (2) a cavity (3) is located that extends in a direction of the longitudinal axis (L) of the measuring probe (2); b) placing an optical waveguide (4) in the cavity (3) of the measuring probe (2), said optical waveguide (4) being placed in the measuring probe (2) so that it can be removed in a non-destructive manner; c) immersing the measuring probe (2) together with the optical waveguide (4) in the molten material (5) located in the furnace vessel, or introducing the measuring probe (2) together with the optical waveguide (4) into a part of the furnace wall of the furnace vessel (1), or introducing the measuring probe (2) together with the optical waveguide (4) into heat-isolating material located between the melt and the furnace wall of the furnace vessel (1), or introducing the measuring probe (2) together with the optical waveguide (4) into heat-dissipating material, all of which, or part of which, is located in heat-isolating material of the furnace vessel; and d) determining the temperature profile (T = T(x)) at least over a part of the length of the measuring probe (2) using fibre optic temperature measuring.
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:
The invention refers to a sampler for molten metal, in particular for molten iron and molten white cast iron, comprising a sample chamber having a sample chamber opening and further comprising a mixing chamber having an outer inlet opening, whereby the sample chamber opening is arranged between the mixing chamber and the sample chamber, and is characterized in that a graphite promoter, zirconium or zirconium hydride, and a carbide stabilizing material selected from one or more of the group consisting of tellurium, bismuth, selenium and cerium are arranged in the mixing chamber.