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A kind of ultrasonic in-situ leaching test method

A technology of in-situ leaching and test methods, which is applied in the fields of soil material testing, material inspection products, suspension and porous material analysis, etc., can solve the problems that have not been reported in the field of in-situ leaching, and achieve the effect of improving the uranium leaching rate

Active Publication Date: 2020-03-17
BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, loosening blasting technology will cause "channel flow" phenomenon in the ore layer, that is, the leachate flows along the small cracks, so that other ores cannot fully contact with the leachant
[0006] At present, ultrasonic technology is mainly used in the fields of plugging removal, scaling prevention, oil recovery, etc., but it has not been reported in the field of in-situ leaching

Method used

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  • A kind of ultrasonic in-situ leaching test method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Load ore into the straight tube processing chamber with l / d=15:1, the ore loading amount is 940g, and the ore loading density is 1.25kg / L. The two ends of the processing chamber are respectively sealed with a transmitting transducer and a receiving transducer. The transmitting transducer is connected to the generator, and the generator can adjust the strength of ultrasonic waves; the receiving transducer is connected to an oscilloscope, and the oscilloscope can display the strength and waveform of the received ultrasonic waves.

[0030] (2) Inject clean water into the treatment chamber by using the liquid inlet method of the high level tank, and measure the daily outflow volume of clean water at the liquid outlet. When the flow is stable, turn on the generator and oscilloscope, adjust the power of the generator to 500W, and the detection intensity of the oscilloscope is 46W. It is concluded that when the ultrasonic intensity is 500W, the effective range is 600mm. ...

Embodiment 2

[0033] (1) Load ore into the straight tube processing chamber with l / d=25:1, the ore loading amount is 1700g, and the ore loading density is 1.35kg / L. The two ends of the processing chamber are respectively sealed with a transmitting transducer and a receiving transducer. The transmitting transducer is connected to the generator, and the generator can adjust the strength of ultrasonic waves; the receiving transducer is connected to an oscilloscope, and the oscilloscope can display the strength and waveform of the received ultrasonic waves.

[0034] (2) Inject clean water into the treatment chamber by using the liquid inlet method of the high level tank, and measure the daily outflow volume of clean water at the liquid outlet. When the flow is stable, turn on the generator and the oscilloscope, and adjust the power of the generator to 900W, and the detection intensity of the oscilloscope is 83W. It is concluded that when the ultrasonic intensity is 900W, the effective range is...

Embodiment 3

[0037] (1) Load ore into the straight tube processing chamber with l / d=10:1, the ore loading amount is 600g, and the ore loading density is 1.19kg / L. The two ends of the processing chamber are respectively sealed with a transmitting transducer and a receiving transducer. The transmitting transducer is connected to the generator, and the generator can adjust the strength of ultrasonic waves; the receiving transducer is connected to an oscilloscope, and the oscilloscope can display the strength and waveform of the received ultrasonic waves.

[0038] (2) Inject clean water into the treatment chamber by using the liquid inlet method of the high level tank, and measure the daily outflow volume of clean water at the liquid outlet. When the flow is stable, turn on the generator and the oscilloscope, and adjust the power of the generator to 350W, and the detection intensity of the oscilloscope is 65W. After the flow is stable, it is concluded that when the ultrasonic intensity is 350...

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Abstract

The invention belongs to the technical field of in-situ leaching exploitation and particularly relates to supersonic in-situ leaching test apparatus and method. The supersonic in-situ leaching test apparatus includes a receiving transducer, a transmitting transducer, a processing cavity, a supersonic generator and an oscilloscope. The two ends of the straight tubular processing cavity are respectively plugged by means of the receiving transducer and the transmitting transducer. The processing cavity is provided with a liquid inlet and a liquid outlet. The transmitting transducer is located at the end on which the liquid outlet is arranged. The receiving transducer is located at the end that the liquid inlet is arranged. The transmitting transducer is connected to the supersonic generator. The receiving transducer is connected to the oscilloscope. The apparatus can improve the permeability and leaching rate of ore in a simulation test and calculates the required strength and effective action range of improving the permeability of ore by supersonic.

Description

technical field [0001] The invention belongs to the technical field of in-situ leaching mining, and in particular relates to an ultrasonic in-situ leaching test device and method. Background technique [0002] The in-situ leaching process is to inject a certain concentration of leaching agent into the ore layer through the liquid injection hole, chemically react with the ore, dissolve the target element in the leachate, and then lift the leachate to the surface through the liquid pumping hole to recover the target element. Mining and smelting process. [0003] Before the in-situ leaching process is applied in the field, a simulated in-situ leaching test should be carried out to conduct preliminary research on the permeability and leaching effect of the ore. In the simulation test, the ore is usually loaded into a glass column, the ore loading amount is close to the ore density of the ore bed, and there are liquid inlets and liquid outlets at both ends. Use the way of high-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08G01N33/24
CPCG01N15/082G01N33/24
Inventor 周根茂胥国龙郑剑平李宏星闻振乾张翀姚益轩许智慧
Owner BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY