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Multi-process flotation liquid level automatic control practical training device

A liquid level automatic control and training device technology, applied in flotation, solid separation, instruments, etc., can solve the problems of lack of flotation liquid level control devices and systems, large differences in liquid level control systems, and single control strategy. Achieve the effect of saving manpower and material resources, strong applicability and good effect

Active Publication Date: 2022-02-08
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing liquid level control systems are very different and poorly targeted. In the research of actual flotation liquid level control technology, there is a lack of typical actual flotation liquid level control devices and systems. The self-built system has the characteristics of single flotation process, The shortcomings of single control strategy and low representativeness, lack of typical and systematic research and teaching demonstration and training devices for the detection and control of mineral processing processes

Method used

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  • Multi-process flotation liquid level automatic control practical training device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Taking the separation process of a single flotation column as an example, a countercurrent flotation column is selected, the foam product pipeline of the first flotation column is connected to the concentrate pool, the tailings of the first flotation column are connected to the tailings pool, the mixing tank The ore slurry is fed into the first flotation column by the ore pump, the foam product enters the concentrate pool, and the tailings product enters the tailings pool. The liquid level sensor of the first flotation column detects the liquid level value and inputs it into the controller, and the controller completes the measurement. The difference between the liquid level signal and the given value is obtained, and the single-loop control method is selected. The control law is the classic control PID algorithm. The calculated output signal is connected by the controller to the electromagnetic valve of the first flotation column, and the opening of the battery valve is ...

Embodiment 2

[0031] Taking a rough-fine-sweep separation process composed of 3 flotation columns as an example, select a countercurrent flotation column, select a rough-fine-sweep process through the computer configuration software, select the first and second flotation columns Single-loop control mode, using PID control law, the liquid level control of the third flotation column chooses uniform control, adopts PID control law, the foam product of the first flotation column enters the second flotation column, and the liquid level of the first flotation column The tailings are fed into the second flotation column by the feed pump of the transfer pool, the foam product of the second flotation column is the final concentrate and enters the concentrate pool, the tailings of the second flotation column are returned to the mixing tank, and the third flotation The foam product of the column flows into the mixing tank, the tailings product of the third flotation column is the final tailings and ent...

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Abstract

The invention provides a multi-process flotation liquid level automatic control practical training device, and belongs to the technical field of flotation. The device comprises a stirring barrel, feeding pumps, flotation columns, electromagnetic valves, a transfer pool, a concentrate pool, a tailing pool, pipelines, liquid level sensors, flow sensors, a controller and a computer. The number of the flotation columns is three. The flotation columns are connected with the stirring barrel, the transfer pool, the concentrate pool and the tailing pool through pipelines. The feeding pumps are arranged outside the stirring barrel and the transfer pool. The electromagnetic valves are arranged on the lower portions of the flotation columns, and the liquid level sensors are arranged on the upper portions of the flotation columns. The flow sensors are arranged on the pipelines connected with the feeding pumps. The controller collects data of the liquid level sensors and the flow sensors, controls the electromagnetic valves and is connected with the computer. The device can realize liquid level control practical training of various flotation processes, is simple in application and easy to realize, is used for teaching and scientific research of multi-process flotation liquid level automatic control, and improves the specialty, demonstration and practicability of a liquid level control practical training system.

Description

[0001] This patent application is a divisional application of application number 201910568563.3, application date 20190627, and invention name "A multi-process flotation liquid level automatic control training device". technical field [0002] The invention relates to the technical field of flotation, in particular to a multi-process flotation liquid level automatic control training device. Background technique [0003] At present, my country's information technology and traditional mineral processing technology continue to be deeply integrated. Mineral processing is a typical process industry. Realizing on-line detection and control of mineral processing is of great significance for reducing the work intensity of labor workers and improving production efficiency; flotation is a kind of One of the most widely used separation methods in the mineral processing process, the liquid level of the flotation column is easily disturbed by the outside world, and the flotation liquid lev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/14G09B25/02
CPCB03D1/1406G09B25/02
Inventor 邹文杰郭晓嵩闫增鑫
Owner UNIV OF SCI & TECH BEIJING