Obscure monitoring control device and method in ore grinding grading process
A control method and technology of a control device, applied in grain processing and other directions, can solve the problems of inability to guarantee production safety and product quality, high modeling cost, and high operator requirements
Inactive Publication Date: 2012-02-22
SOUTHEAST UNIV
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Problems solved by technology
[0003] The traditional grinding and grading process control is controlled by the grinding operator using the method of "touching, listening, and seeing". The disadvantage is that the requirements for operators are relatively high, and production safety and product quality cannot be guaranteed.
With the development of control theory, advanced control has been widely used in the grinding and classification process, but these methods are mostly based on models, and there are problems such as high modeling costs
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Embodiment
[0055] Embodiment: The embodiment of the present invention is a large-scale iron ore concentrator grinding and classification process control. The concentrator is mainly based on iron concentrate, supplemented by sulfur concentrate. After the raw ore is pretreated, it is fed by the pendulum feeding machine, and then sent into the ball mill by the ore feeding belt, mixed with the additional water at the inlet of the ball mill, and ground into a pulp in the ball mill, and the ore discharged by the ball mill is mixed with the additional water at the outlet of the ball mill into the rotary The flow device, the cyclone returns the sand to the ball mill, and forms a closed circuit with the ball mill. The cyclone overflow (the final product of the grinding and classification control) is sent to the subsequent process.
[0056] Such as figure 1 As shown, this embodiment includes a programmable logic controller 1, a monitoring computer 15, a mining machine frequency converter 2, a mi...
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The invention discloses an obscure monitoring control device and a method in an ore grinding grading process, which is formed by a monitoring layer, an adjusting layer and an instrument layer. The monitoring layer is used for collecting real time data of the instrument layer and obtaining optimized process setting value through optimizing calculation, a basic control return circuit of the adjusting layer is used for immediately receiving the optimized process setting value of the monitoring layer, jointly cooperating to complete control and optimization of ground control point (GCP), enabling product particle sizes in the ore grinding grading process to meet requirements and improving output. The obscure monitoring control method in the in ore grinding grading process is further discloses.
Description
technical field [0001] The invention relates to a fuzzy supervisory control device and method for the grinding and grading process in mineral processing production, and belongs to the technical field of automatic control. Background technique [0002] The Grinding and Classification Process (GCP) is widely used in the beneficiation production of the metallurgical industry. Through grinding, all or most of the useful components in the ore can be separated into monomers (micron level), and at the same time try to avoid the phenomenon of "over-grinding" to achieve separation. The particle size requirements of operations (such as flotation and magnetic separation) create conditions for the sorting operation to effectively recover useful components in ores. GCP is a high-energy-consuming production process, which needs to be controlled to operate at the point of maximum output to reduce energy consumption per unit of product. [0003] The traditional grinding and grading process...
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IPC IPC(8): B02C25/00
Inventor 陈夕松李娟李世华杨俊
Owner SOUTHEAST UNIV