Intelligent drainage method for underground mine

Abstract

The invention discloses an intelligent drainage method for an underground mine. According to the method, the power consumption of pump station drainage is predicted according to the field water level, and each stage of pump station with the goal of reducing the power consumption cost is scheduled and adjusted. The upper stage of pump station and the lower stage of pump station are in communication connection through a network. During drainage, different control measures are taken for the bottommost pump station and the regional pump stations except the bottommost pump station; and if only the single-stage pump station exists, the control strategy of the bottommost pump station is directly adopted. According to the method, prediction of electricity consumption is achieved by combining data such as energy consumption and the field water level, a scheduling plan instruction is made through prediction, balance coordination control over the underground water level is achieved, the purpose of peak clipping and valley filling to the maximum degree is achieved, overflow is avoided, and meanwhile, electricity consumption is reduced.

Description

technical field [0001] The invention relates to a mine drainage method. Background technique [0002] The pumping stations of the mine will be upgraded step by step according to the characteristics of low to high terrain this summer. The pumping stations are not isolated, but connected through discharge pipelines. The groundwater is raised to the surface step by step from the bottom pumping station (called the uppermost pumping station), and the bottom pumping station contains at least one lower pumping station. [0003] The water intake of the pumping station comes from a wide range of sources, and the amount of water intake is greatly affected by human and natural factors. Much of the intake water is muddy water in the filling materials, and the filling time and water volume are uncontrollable. The number of water inlet pipes is different, and the water inlet flow of each water inlet pipe changes in real time. There is a cascading relationship between each pumping statio...

AI Technical Summary

Problems solved by technology

[0004] 1) The existing technology mainly takes a single pumping station as the control center, and adopts the method of constant speed drainage. When the influent flow is small, the single machine pump is in the open state, and when the influent flow is higher than a certain value, the pump is in the Multiple pumps are running at full speed, with poor flexibility and high energy consumption

[0005] 2) The coordination of drainage between pumping stations at all levels is poor, it is difficult to make the inflow equal to the discharge, and it is impossible to coordinate and control the drainage according to the different drainage capacity and capacity of each pumping station

When the upper-level pumping station has a large amount of water inflow and the water level rises rapidly, the controller of the lower-level pumping station cannot make control decisions in time, and lowers the water level of the pool to increase the capacity, resulting in the groundwater of the upper-level pumping station being unable to drain out, which is easy cause overflow

[0006] 3) There is a lack of research on the comprehensive optimization of the system and the corresponding intelligent decision-making. Due to the wide distribution of underground mines, the water volume is different at different times; the associated input flow between pumping stations is different, and the time delay of the pipeline is also different; unreasonable The flow scheduling of the pumping station is likely to cause overloading of the water intake of the pumping station, causing overflow

[0007] It can be seen that the current drainage system mainly has the problems of unavoidable overflow and high power consumption

Images