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A tubular leaching method and device for solid powder

A solid powder, leaching technology, applied in the direction of solid solvent extraction, chemical/physical/physical-chemical process of applying energy, etc., to achieve the effect of modular component function, high leaching efficiency, ensuring high dispersion and uniformity

Inactive Publication Date: 2014-10-29
佛山市兴民科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the leaching method and device proposed in the previous patent that although the application of ultrasonic energy strengthens the dynamic diffusion process of tank leaching and improves the leaching efficiency, it still does not solve the problem of "one-pot cooking" disordered leaching. Its application range and The effect is subject to many limitations, and it is still necessary to improve

Method used

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  • A tubular leaching method and device for solid powder
  • A tubular leaching method and device for solid powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] figure 1 It is an atmospheric pressure tubular leaching device for realizing the tubular leaching method. From figure 1 It can be seen that the atmospheric pressure tubular leaching device is composed of at least one atmospheric pressure open trough container 1 filled with liquid medium 2 and at least one ultrasonic generator 6 arranged inside or outside the trough container. A multi-layer spiral coil 16 filled with flowing solution 14 to be leached is immersed in the open tank container at normal pressure, and the multi-layer spiral coil 16 is an atmospheric pressure spiral coil.

[0052] The leaching process of the atmospheric pressure tube leaching device is an irreversible leaching process. The characteristics of the process are: when the solid powder with a set particle size goes through the same leaching time, the path of most of the particles tends to be equal, and the residual particle mass, particle size and particle target composition also tend to be equal, ...

Embodiment 2

[0063] figure 1 It is a high-pressure tubular leaching device for realizing the tubular leaching method. From figure 1 It can be seen that the high-pressure tubular leaching device is composed of at least one trough container 1 filled with liquid medium 2 and at least one ultrasonic generator 6 arranged inside or outside the trough container. A multi-layer spiral coil 16 filled with flowing solution 14 to be leached is provided, and the multi-layer spiral coil 16 is a high-pressure spiral coil.

[0064] The technical principle of the high-pressure tubular leaching device is the same as that of the first embodiment, which is an irreversible leaching process. The pipeline inlet 13 and the pipeline outlet 12 of the high-pressure spiral coil can be arranged tangentially on the tank wall of the non-open tank vessel 1 at normal pressure, or can be arranged at both ends thereof. The water-based solution 3 filled with the non-open tank container at normal pressure can be the clear ...

Embodiment 3

[0067] An atmospheric-pressure tubular leaching process for zinc oxide ore powder, which adopts the atmospheric-pressure tubular leaching method and device described in Embodiment 1 in the conventional leaching process. The zinc oxide ore powder includes at least zinc oxide ore, zinc calcine, zinc-containing fume and zinc-containing leaching slag.

[0068] The leaching environment of atmospheric pressure tubular leaching of zinc oxide ore powder, such as temperature, acidity, additives, particle size and concentration, etc., can be the same as conventional leaching. The multi-layer spiral coil 16 adopts the improved high-transmission stainless steel spiral coil and the ultrasonic frequency is 20kHz-1×10 6 kHz, ultrasonic sound intensity is 1-50w / cm 2 The ultrasonic generating device 6 can be used to obtain cavitation bubbles with a flow velocity ≥ 100 m / s generated by ultrasonic waves in the solution 14 to be leached. At the set ultrasonic frequency, as the ultrasonic sound ...

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Abstract

The invention relates to a pipe leaching method and a pipe leaching device for solid powder. The solution to be leached flows through the pipe leaching device arranged in a tank container and the leaching process is completed by adopting the pipe leaching method. The pipe leaching method comprises that: the solution to be leached is conveyed into a pipeline of the pipe leaching device by using an ultrasonic generating device to complete an irreversible leaching process of the solid powders in the process that the solution to be leached irreversibly flows through the pipeline with an ultrasonic energy field. The irreversible leaching process comprises that when the solid powder with given size goes through the same leaching time, most of the grains have the same flowing through path; the residual grains tend to be equal in aspects of grain mass, grain diameters and grain target components, and the solid powders added in a leaching reaction region later are difficult to be mixed with the solid powders added in the leaching reaction region firstly. The solid powders are mineral powders and (or) animal and plants powders, wherein the mineral powders are oxide mineral powders and (or) sulfide mineral powders; and the animal and plants powders at least comprise Chinese medicinal powders.

Description

Technical field [0001] The invention relates to a method and device for wet extraction of target components from solid powder, in particular to a tubular leaching method and device for solid powder, belonging to the technical field of wet extraction. Background technique [0002] The wet method of extracting the target components of solid powder by means of a trough container is a common trough leaching method at present. According to pressure, there are normal pressure leaching and high pressure leaching; according to temperature, there are normal temperature leaching, medium temperature leaching, and high temperature leaching; according to acidity, there are acid leaching, alkaline leaching, and neutral leaching; according to additives, there are oxygen-enriched leaching , catalytic leaching, and so on. Tank leaching devices are mainly atmospheric pressure leaching tanks and high-pressure reactors. [0003] The main problems existing in the current tank leaching method a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02B01J19/10
Inventor 曾兴民
Owner 佛山市兴民科技有限公司
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