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Buoyancy measurement principle based pulp concentration meter

A measurement principle and concentration meter technology, which is applied in the direction of material analysis through observation of sunken objects, can solve the problems of high requirements for ore slurry conditions, influence of test results, and many human factors, so as to improve production indicators and recovery rate, and simple structure , simple working principle

Inactive Publication Date: 2010-09-01
BEIJING GENERAL RES INST OF MINING & METALLURGY
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Problems solved by technology

The first two methods are limited to manual sampling and detection, with many human factors and large detection errors; the latter two have higher requirements for the detection of pulp conditions, and air bubbles or impurities in the pulp will have a greater impact on the detection results

Method used

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  • Buoyancy measurement principle based pulp concentration meter
  • Buoyancy measurement principle based pulp concentration meter
  • Buoyancy measurement principle based pulp concentration meter

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The slurry concentration meter of this embodiment consists of an actuator (1), a lifting rod (2), a float (3), a sensor (4), a signal converter (5), a water valve (6), a flushing water pipe (7), Isolation barrel (8) constitutes, see for details figure 1 shown.

[0041] The actuator (1) is an electric push rod, and the sensor (4) is a tension-compression load cell; the output end of the actuator (1) is connected to the sensor (4), and the lower end of the sensor (4) is connected to the lifting rod (2) ) upper end connection, a floating ball (3) is fixed at the lower end of the lifting rod (2), a flushing water pipe (7) is arranged above the floating ball (3), a water valve (6) is set on the flushing water pipe (7), and the floating ball (3 ) is provided with an isolation bucket (8) around.

[0042] The signal converter (5) is arranged on the pulp concentration meter through a bracket, and is used for converting the pressure signal measured by the sensor (4) into an ele...

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Abstract

The invention relates to a buoyancy measurement principle based pulp concentration meter which comprises a floater, a lifting rod, a sensor and an actuating mechanism. The floater is fixedly connected with the lower tail end of the lifting rod; the lifting rod is suspended at the bottom of the sensor; the sensor is installed at the outputting end of the actuating mechanism; the actuating mechanism drives the lifting rod to rise and fall to enable the floater at the lower tail end of the lifting rod to rise up to go out of a medium to be measured or fall down into the medium to be measured; and the sensor is used for detecting stress on the floater during rising or falling. Compared with a traditional pulp concentration meter, the pulp concentration meter can intermittent measure pulp concentration, thereby reducing the time of contact between the concentration meter and pulp, not generating calcicrete and the problem of blockage and improving the reliability of instruments; in addition, the concentration meter also has the advantages of simple working principle and stable and reliable structure and is beneficial to the acquisition of process indexes, the reduction of power consumption and the improvement of production indexes and recycling rate.

Description

technical field [0001] The invention relates to a measuring instrument for detecting substance concentration, in particular to a pulp concentration meter based on the principle of buoyancy measurement. Background technique [0002] In the mineral processing industry, when the ore is crushed to a certain extent, the concentration and particle size have a great impact on the economics of production. The pulp concentration is an important parameter in the production process of the mineral processing process. The traditional methods used in domestic and foreign mineral processing processes to detect the concentration of ore pulp include the concentration pot method, drying and weighing method, differential pressure method, and γ-ray absorption method. The first two methods are limited to manual sampling and detection, and there are many human factors and large detection errors; the latter two have higher requirements for the detection of pulp conditions, and air bubbles or impu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/20
Inventor 赵建军周俊武迟庆雷赵宇徐宁尚海洋高扬
Owner BEIJING GENERAL RES INST OF MINING & METALLURGY
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