Multifunctional automatic control column leaching experimental facility

A test device and automatic control system technology, applied in the field of multifunctional automatic control leaching test device, can solve the problems of lack of comprehensive test device for simulating the heap leaching process, research on the interaction process of multi-phase media, etc., and achieve high degree of automation and functional various effects

Inactive Publication Date: 2011-11-23
UNIV OF SCI & TECH BEIJING
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The heap leaching system is a complex multi-phase multi-field coexistence and interaction system. For a long time, researchers at home and abroad have generally regarded the leached ore heap and ore body as a "black box", focusing on the chemical composition a

Method used

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  • Multifunctional automatic control column leaching experimental facility

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Embodiment Construction

[0016] The present invention will be further described below, but the protection scope of the present invention is not limited to the scope of the specific embodiments described below.

[0017] Such as figure 1 , The main body of the device includes a high level tank 1, a reaction column 2, a liquid receiving tank 3, a hot water tank 4, a display 5, a controller 6, and an air compressor 7. Introduce the specific implementation manner of the present invention below in conjunction with example.

[0018] A certain copper sulfide ore was taken as a test sample for microbial leaching test.

[0019] (1) Ore preparation: After the ore is crushed to a certain size, it is loaded into the reaction column through the sampling port 13 on the reaction column 2, and the sampling port 13 is closed.

[0020] (2) Temperature control: the controller 6 sets the water temperature of the hot water tank 4, the heater starts to work, and the circulating water starts to heat up. When the temperatur...

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Abstract

The invention discloses a multifunctional automatic control column leaching experimental facility, belonging to the field of leaching mining. The experimental facility mainly comprises a liquid circulation system, a water circulation system, an air circulation system, an automatic control system and a data collection system. The liquid circulation system is composed of a reaction column, a high-level tank and a liquid receiving tank; the water circulation system is composed of a hot water tank, a solenoid valve, a liquid receiving tank jacket, a reaction column jacket and a high-level tank jacket; the air circulation system is composed of an air compressor, an air flowmeter and a control valve; the automatic control system is used for automatically regulating and controlling the temperature of the leaching system, oxygen solubility and solution flowing; the data collection system can be used for automatically collecting and storing the solution pH value, the oxygen solubility, electric potential, the temperature and other parameters in real time. The experimental facility can be used for performing indoor simulation experiments and semi-industrial scale pilot plant experiments according to heap-leaching field conditions and actual size of mineral particles, effectively simulating the multiphase and multilevel seepage state of ore bulk and a microbiological leaching and biochemical process, and providing basic data for heap-leaching production practice and technological parameter optimization.

Description

technical field [0001] The invention belongs to the field of leaching mining, in particular to a multifunctional automatic control leaching test device. Background technique [0002] Solution mining is a mining method that uses certain chemical solvents and microorganisms to selectively dissolve, leach and recover useful components in ore deposits, ores or waste rocks. Compared with traditional mining methods, solution mining is the most prominent The characteristic is that it can effectively recover small and medium-sized ore deposit resources, complex and refractory ores, low-grade ores, and even deal with off-surface ores, residual ores, tailings and waste rocks. For example, the copper ore treated by heap leaching in the United States has low grades to 0.04%. In addition, the leaching mining process is low in production cost and environmentally friendly, and is known as a green mining technology for metal mines. At present, 25% of the world's copper and 20% of uranium c...

Claims

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Application Information

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IPC IPC(8): G01N27/416
Inventor 尹升华吴爱祥王洪江胡凯建王贻明韩斌
Owner UNIV OF SCI & TECH BEIJING
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