An intelligent feeding control method and device for a multi-material machine

Abstract

The invention discloses an intelligent ore feeding control method and device for multiple feeders. The method includes the steps that various intelligent control relevant parameters are set firstly; an automatic system of a dressing plant is communicated, feeding process data are obtained and corresponding control values are transmitted to the automatic system; according to real-time parameters and preset port inversion rules, feeders needing to be switched to other material ports are judged; if it is judged that port inversion needs to be carried out, a new target material port is selected and defined as Bn according to a weight selection function, and starting, stopping and frequency setting control of the target material port switching process are conducted; output frequency of the feeders is adjusted in real time according to ore quantity set values. According to the control method and device, ore material flow can be transmitted continuously and smoothly on a feeding belt of a mill, and it is guaranteed that the mill operates efficiently and stably.

Description

technical field [0001] The invention relates to the technical field of mining, metallurgy and beneficiation control, in particular to an intelligent ore feeding control method and device for a multi-material machine. Background technique [0002] At present, ore grinding is an important production process in the ore beneficiation process of the mining plant, which is carried out by crushing and then flotation. Since the crushing process adopts intermittent production mode, while the grinding process adopts continuous production mode, in order to ensure the continuity of production in the grinding process, It is necessary to add a buffer link at the junction of crushing and grinding, which is realized by using powder ore bins and feeders in industrial sites. The ore produced in the crushing process enters the powder ore bin for accumulation, and then is transported to the grinding process through the feeder. Regardless of the production mode of the crushing process, as long a...

AI Technical Summary

Problems solved by technology

However, large silos and multi-feeders have also brought some problems. Due to the large silos, each feeder is installed in a different position of the silo. If a certain feeder is always used for feeding, it will soon be It will happen that the material at the feeder is empty. In addition, if a certain feeder is not used for a long time, the mineral material at the feeder will be hardened. Once hardened, even if the feeder is turned on, it cannot Feeding, it is very difficult to handle

[0003] In view of this, in the actual production, it is necessary to continuously switch between the feeders, that is, "inverting", to avoid the above situation, but if the switching is not done well, it will bring more ore to the grinding process. The large disturbance seriously affects the working state of the grinding process. However, the traditional manual switching is adopted in the existing technical solutions, which not only consumes manpower, but also causes disturbances that are obviously unsatisfactory. Therefore, intelligent feeding without disturbance switching is guaranteed. Control methods are important

Images