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Non-contact pipeline flowing ore pulp concentration online device and detection method

A pulp concentration, non-contact technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of frequent maintenance of weighing cleaning equipment, low sampling accuracy, large concentration error, etc.

Pending Publication Date: 2021-09-14
NORTHWEST RES INST OF MINING & METALLURGY INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the ordinary concentration pot weighing method is widely used, it is labor-intensive and the detection data is not timely. Especially when the concentration is high, the concentration error is large due to the difference of different manual methods. However, the sampling accuracy is not high, especially in the pressurized slurry pipeline, the sampling error of the equipment is relatively large, and the weighing and cleaning equipment needs frequent maintenance, etc.

Method used

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  • Non-contact pipeline flowing ore pulp concentration online device and detection method

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Effect test

Embodiment 1

[0044] A non-contact method for on-line detecting the concentration of pipeline flowing pulp, comprising the following steps:

[0045] ⑴Initial data testing and input:

[0046] When the tube is empty, the weight taken by the floor scale electronic scale 5 is M 0 =50Kg; when the pipeline is filled with flowing water, the weight taken by the floor scale electronic scale 5 is M 1 =150Kg; the true specific gravity of the fixed material in the pulp is determined to be p=3, and the obtained M 1 , M 0 , p initial data input to the concentration data processing display 3.

[0047] ⑵On-line test of pulp concentration in the pipeline:

[0048] Set the initial error coefficient r=1, the real-time weight M of the pipeline 1 weighed by the floor scale electronic scale 5, the unit is Kg; it is transmitted to the concentration data processing display 3 through the data transmission line 4, and is calculated and output through the online output mass concentration data model The pulp mass...

Embodiment 2

[0063] A non-contact method for on-line detecting the concentration of pipeline flowing pulp, comprising the following steps:

[0064] ⑴Initial data testing and input:

[0065] When the tube is empty, the weight taken by the floor scale electronic scale 5 is M 0 =150Kg; when the pipeline is filled with flowing water, the weight taken by the floor scale electronic scale 5 is M 1 =310Kg; the true specific gravity of the fixed material in the pulp is determined to be p=2.5, and the obtained M 1 , M 0 , p initial data input to the concentration data processing display 3.

[0066] ⑵On-line test of pulp concentration in the pipeline:

[0067] Set the initial error coefficient r=1, the real-time weight M of the pipeline 1 weighed by the floor scale electronic scale 5, the unit is Kg; it is transmitted to the concentration data processing display 3 through the data transmission line 4, and is calculated and output through the online output mass concentration data model The pulp m...

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Abstract

The invention relates to a non-contact pipeline flowing ore pulp concentration online device, which comprises a pipeline for transporting ore pulp, and is characterized in that a plurality of pipeline fixed bearing fulcrums arranged on the horizontal ground and a wagon balance type electronic scale are uniformly distributed at the bottom of the pipeline; the wagon balance type electronic scale is connected with a concentration data processing display through a data transmission line, the top of the wagon balance type electronic scale is in contact with the outer wall of the pipeline, and the bottom of the wagon balance type electronic scale is connected with the horizontal ground. Meanwhile, the invention further discloses a non-contact pipeline flowing ore pulp concentration online detection method. The method has the advantages of high accuracy of the detected pipeline ore pulp concentration, small influence of ore pulp properties, low failure rate and the like, and particularly, the accuracy, the stability and the effectiveness of the detection of the ore pulp with the mass concentration exceeding 50% are higher.

Description

technical field [0001] The invention relates to the field of on-line detection of pulp mass concentration, in particular to a non-contact pipeline flow on-line pulp concentration device and detection method. Background technique [0002] At present, the detection methods of pulp concentration mainly include nuclear density meter, ultrasonic density meter, concentration pot weighing, etc. Among them, both nuclear density meter and ultrasonic density meter can realize non-contact detection, but nuclear radiation waste disposal, etc. Problem: Ultrasonic densitometer requires the sensor to be fully sealed, wear-resistant, high-sound-permeable, and corrosion-resistant. In industrial applications, the failure rate is high, frequent calibration is required, and the maintenance and repair workload is heavy. Although the ordinary concentration pot weighing method is widely used, it is labor-intensive and the detection data is not timely. Especially when the concentration is high, the...

Claims

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Application Information

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IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 张天永杨林孟祥春袁积余王丽萍王李鹏杨俊龙杨新栋皇甫长青廖炜
Owner NORTHWEST RES INST OF MINING & METALLURGY INST
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