Method and device for controlling liquid level of pulp pump pool in process of ore grinding classification

Abstract

The invention discloses a method and device for controlling the liquid level of a pulp pump pool in the process of ore grinding classification. The method comprises the steps that a first actual liquid level at the start of a recent adjusting cycle of the pump pool is acquired, and a second actual liquid level at the end of the recent adjusting cycle of the pump pool is acquired; the variation value of the size of ore pulp in the recent adjusting cycle of the pump pool is calculated, and the pulp size deviation value that the current actual liquid level deviates from a reference liquid level is calculated; a first adjusting value of output flow is calculated based on the variation value of the pulp size, and a second adjusting value of the output flow is calculated based on the pulp size deviation value; the first adjusting value and the second adjusting value are used for adjusting the current output flow of the pump pool. According to the technical scheme, it is more accurately ensured that the liquid surface height in the pump pool is stably placed on the reference liquid level, and the classification effect is more stable in the ore grinding classification process.

Description

technical field [0001] The application relates to the field of ore smelting control, in particular to a method and device for controlling the liquid level of a pump pool during the grinding and grading process. Background technique [0002] In the production process of ore smelting, since the raw ore obtained from mining cannot meet the smelting requirements, it is necessary to process the raw ore first to obtain concentrates that meet the smelting requirements, and then use them in the smelting process. The beneficiation operation mainly includes crushing and screening of raw ore, grinding and grading, sorting, concentrate dehydration and other links. Among them, the grinding process is to crush the crushed ore to a suitable particle size, and provide the crushed minerals to the sorting process. During the grinding process, since the ore is crushed, the effective mineral components can be dissociated from the gangue, and different effective mineral components can be dissoc...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by this application is to provide a method and device for controlling the liquid level of the pump pool during the grinding and grading process, so as to solve the problem of real-time based on the actual liquid level of the pump pool at the current moment and the preset benchmark in the prior art. The difference between the liquid levels is used to adjust the output flow of the pump pool linearly related to the technical problem of inaccurate adjustment of the output flow of the pump pool

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