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Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses

A particle surface, ultrasonic technology used in the field of separation

Inactive Publication Date: 2008-10-29
株洲市兴民科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

No similar literature reports were found in the patent database search of the National Patent Office

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  • Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses
  • Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses
  • Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses

Examples

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Effect test

Embodiment 1

[0023] Embodiment 1: A kind of ultrasonic vulcanization process method of copper oxide ore

[0024] The copper oxide ore has a particle size of -200 mesh and contains 1% copper. The conventional vulcanization process is adopted, using sodium sulfide as the vulcanizing agent. After vulcanization and flotation, the output copper concentrate contains 1% copper.

[0025] Under the above process conditions, increase the process conditions of ultrasonic irradiation to the solution. In the solution filled with copper oxide ore, an ultrasonic emitting device is installed. The ultrasonic emitting device emits ultrasonic waves when the copper oxide ore solution is vulcanized. The ore particles are impacted, and the ultrasonic impact is used to remove the surface coating of the copper oxide ore particles, so that the particles expose their own surface and accelerate the vulcanization process. The ultrasonic frequency is 15-200kHz, and the sound intensity is 0.5-200w / cm 2 , the ultrason...

Embodiment 2

[0027] Embodiment 2: A kind of zinc oxide ore ultrasonic flotation process

[0028] Zinc oxide ore particle size -200 mesh, zinc content 5.99%, conventional flotation process, using XMT-1# chemical flotation, primary flotation output zinc concentrate grade 7.07% zinc, zinc concentrate yield 18%.

[0029] Under the above process conditions, increase the process conditions of ultrasonic irradiation to the solution. In the solution filled with zinc oxide ore, an ultrasonic emitting device is installed. The ultrasonic emitting device emits ultrasonic waves during the flotation of the zinc oxide ore solution. The ultrasonic wave passes through the zinc oxide ore solution and produces Impact, using ultrasonic impact to remove the coating on the surface of zinc oxide ore particles, so that the particles expose their own surface, and accelerate the flotation process. The ultrasonic frequency is 15-128kHz, and the sound intensity is 0.5-50w / cm 2 , Ultrasonic wave and flotation synchr...

Embodiment 3

[0031] Embodiment 3: A kind of ultrasonic leaching process of lead matte slag

[0032] Lead matte slag particle size -200 mesh, copper content 45.98%, using conventional leaching process, leaching temperature 85 ℃. The leaching time is 360 minutes, the output copper sulfate solution concentration is 24.30g / L, and the copper leaching rate is 49.08%.

[0033] Under the above process conditions, increase the process conditions of ultrasonic irradiation to the lead matte slag solution. In the solution filled with lead matte slag, an ultrasonic emitting device is set, and the ultrasonic emitting device sends ultrasonic waves when the lead matte slag solution is leached, and the ultrasonic wave passes through the lead matte slag solution, and the lead ice in the lead matte slag solution is The copper slag particles are impacted, and the ultrasonic impact is used to remove the surface coating of the lead matte slag particles, so that the particles expose their own surfaces and acceler...

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Abstract

The present invention provides a method which utilizes ultrasonic to remove the surface cladding of particles, in particular to a method which utilizes ultrasonic to strike particles in a solution and remove the surface cladding of particles so as to expose the surface of particles. The ultrasonic is 15 to 200 kHz in frequency and 0.5 to 200w / cm< 2 > in acoustic intensity. The surface cladding of particles comprises the self surface cladding of particles and newly generated surface cladding of particles in the solution. The uses of the method include ultrasonic sulfuration process, ultrasonic floatation process, ultrasonic dipping process and ultrasonic purification process.

Description

technical field [0001] The invention relates to a method for removing the coating on the surface of particles in a solution, in particular to a method for removing the coating on the surface of granular substances in a solution by ultrasonic waves, and belongs to the field of separation technology. It can be widely used in wet mineral processing, hydrometallurgy, chemical process and other processes. Background technique [0002] In order to improve work efficiency, it is often necessary to remove the coating on the particle surface in the solution during the process of wet mineral processing and hydrometallurgy. Mechanical stirring is a method to remove the surface coating of particles in the solution. The application in the process is extremely common. Using mechanical stirring to remove the surface coating of particles in the solution can strengthen the effective contact between the particles and the solution, improve the kinetic diffusion process on the particle surface...

Claims

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Application Information

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IPC IPC(8): B01J19/10
Inventor 曾兴民游力挥梁中堂盛晓敏
Owner 株洲市兴民科技有限公司
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