Method for measuring net weight of molten steel in steel ladle

Abstract

The invention discloses a method for measuring the net weight of molten steel in a steel ladle. The method includes the steps that the pouring time of the steel ladle is recorded; the steel pulling speed of a steel pulling machine is detected to serve as the flow speed analog quantity of the poured molten steel; the width of a billet on the steel pulling machine is detected to serve as the width analog quantity of the poured molten steel, and the thickness of the billet on the steel pulling machine is detected to serve as the thickness analog quantity of the poured molten steel; and the net weight of the poured molten steel is calculated in real time according to the flow speed analog quantity, the width analog quantity and the thickness analog quantity of the poured molten steel, the pouring time and the density of the molten steel. By means of the method for measuring the net weight of the molten steel in the steel ladle, the problem that the net weight of the molten steel cannot beaccurately acquired under the condition that a weighing sensor is ineffective or the error is large is solved. Meanwhile, the method for measuring the net weight of the molten steel in the steel ladlemonitors the net weight of the poured molten steel in the steel ladle in real time, the accuracy of measured data of the net weight of the molten steel is guaranteed, stable operation of the site pouring technology is guaranteed, roughing slag of the molten steel is also avoided, the billet forming rate of the molten steel and the percent of pass of casting blanks are increased, and therefore economic benefits are increased.

Description

technical field [0001] The application relates to the technical field of iron and steel industry control, in particular to a method for measuring the net weight of molten steel in a ladle. Background technique [0002] In the production process of the continuous casting machine, the net weight value of molten steel in the ladle (hereinafter referred to as the net weight of molten steel) is a key parameter related to the smooth production of continuous casting. If the net weight of molten steel is severely distorted, it will affect the normal pouring of the continuous casting machine and the normal slag removal of the ladle. [0003] The net weight of molten steel generally refers to the total weight of molten steel used to make steel billets after the molten steel in the ladle is poured out. At present, the net weight of molten steel collected by the ladle weighing system is mostly used. The ladle weighing system includes at least 4 load cells, and the 4 load cells are resp...

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Problems solved by technology

[0005] This application provides a method for measuring the net weight of molten steel in the ladle to solve the problem of easy collision of the load cell or its circuit during the collection process of the existing molten steel net weight, causing damage to the load cell or its circuit, thereby affecting the accuracy of the measurement of the net weight of molten steel degree of question

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