CN101293194B - Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses - Google Patents
Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses Download PDFInfo
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- CN101293194B CN101293194B CN2008100315665A CN200810031566A CN101293194B CN 101293194 B CN101293194 B CN 101293194B CN 2008100315665 A CN2008100315665 A CN 2008100315665A CN 200810031566 A CN200810031566 A CN 200810031566A CN 101293194 B CN101293194 B CN 101293194B
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Abstract
The present invention provides a method which utilizes ultrasonic to remove the surface cladding of particles in solution, 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
The present invention relates to the method that the particle surface covering is removed in a kind of solution, especially remove the method for particulate material surface covering in the solution, belong to separation technology field with ultrasonic wave.Can be widely used in the technologies such as wet dressing, hydrometallurgy, chemical process.
Background technology
In order to increase work efficiency, the particle surface covering is removed in often needing solution in wet dressing, hydrometallurgy process, mechanical agitation is as a kind of method of removing particle surface covering in the solution, and the application in wet dressing, hydrometallurgy process is extremely general.Remove the surperficial covering of particle in the solution with mechanical agitation, but effective contact the between reinforcing particle and the solution improved the dynamics diffusion process of particle surface, quickens the physical chemistry process of expectation.But under many circumstances, continue to use the mechanical agitation method and be difficult to effective eliminating particle surface covering, even it is also of no avail to strengthen speed of agitator, change paddle or tank diameter structure, cause some wet dressing and hydrometallurgy process sluggish, so that sulfuration, flotation, leaching, purification efficiency are low.Therefore, improve the method for removing particle surface covering in the solution, have the tremendous economic meaning.In State Patent Office's patent data library searching, find no similar bibliographical information.
Summary of the invention
The objective of the invention is to: remove the problem that particle surface covering method exists in the solution at mechanical agitation, a kind of method of removing particle surface covering better effects if in the solution is provided.
Another object of the present invention is to: a kind of technology of removing particle surface covering method in the solution is provided.
Another object of the present invention is to: a kind of purposes of removing particle surface covering method in the solution is provided.
The technical solution used in the present invention is: a kind of method of removing particle surface covering in the solution with ultrasonic wave, in containing the solution of more than one particulate materials or outside, ultrasonic transmission device is set, the ultrasonic wave that ultrasonic transmission device sent passes the solution that contains more than one particulate materials, and in containing the solution of more than one particulate materials the particle of bump in the solution, utilize the particle in the ultrasonic wave bump solution, eliminating particle surface covering, make particle expose self surface, reach the purpose of removing particle surface covering in the solution.
Described ultrasonic wave, frequency 15-200kHz, sound intensity 0.5-200w/cm
2
Described solution is the liquid that comprises at least a particulate material; Can be the aqueous solution that comprises at least a particulate material, also can be the organic solution that comprises at least a particulate material, can also be the inorganic solution that comprises at least a particulate material.Described particulate material is solid solute or the liquid solute that comprises at least a chemical composition.
The surperficial covering of described particle comprises the particle layer and the sheath that are wrapped in particle surface, and the particle surface particle layer comprises the surperficial covering of particle self and particle new life's in solution surperficial covering; The particle surface sheath is a surperficial covering newborn in solution.
According to the above-mentioned a kind of ultrasonic sulfuration process of using the method proposition of ultrasonic wave eliminating particle surface covering, adopt conventional sulfuration process, it is characterized in that: under conventional vulcanization process condition, increase applies frequency 15-200kHz, sound intensity 0.5-200w/cm to ore pulp solution
2Ultrasonic wave bump process conditions, make ore pulp solution be subjected to hyperacoustic bump simultaneously in sulfuration.
According to above-mentioned a kind of ultrasonic flotation technology of using the method proposition of ultrasonic wave eliminating particle surface covering, adopt conventional floatation process, it is characterized in that: under conventional floatation process condition, increase applies frequency 15-200kHz, sound intensity 0.5-200w/cm to ore pulp solution
2Ultrasonic wave bump process conditions, make ore pulp solution be subjected to hyperacoustic bump simultaneously in flotation.
According to the above-mentioned a kind of ultrasonic extract technology of using the method proposition of ultrasonic wave eliminating particle surface covering, adopt conventional extract technology, it is characterized in that: under conventional extract technology condition, increase applies frequency 15-200kHz, sound intensity 0.5-200w/cm to infusion solution
2Ultrasonic wave bump process conditions, make ore pulp solution be subjected to hyperacoustic bump simultaneously leaching.
According to above-mentioned a kind of ultrasonic cleaning technology of using the method proposition of ultrasonic wave eliminating particle surface covering, adopt conventional process for purifying, it is characterized in that: under conventional process for purifying condition, increase applies frequency 15-200kHz, sound intensity 0.5-200w/cm to purified solution
2Ultrasonic wave bump process conditions, make purified solution be subjected to hyperacoustic bump simultaneously purifying.
The described purposes of using the method for ultrasonic wave eliminating particle surface covering comprises in the technologies such as being applied to wet dressing, hydrometallurgy, chemical process.
Know-why of the present invention is: ultrasonic wave is the elastic mechanical ripple that a kind of straight line transmits, and solution is applied frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave bump, the particle that can cause in the solution produces mechanical shock, and particle newborn surperficial covering in solution is shattered or be shatter, and effective contact strength of particle and solution strengthens, the dynamics diffusion process of particle surface is reinforced, and the physical-chemical reaction process of expectation is accelerated.Ultrasonic wave eliminating particle surface covering is categorized as: remove newborn covering and self covering.Remove newborn covering, use ultrasonic elastic mechanical energy, i.e. cleaning action; Remove self covering, use ultrasonic cavitation.If ultrasonic wave is peeled off effect to particle, particle exposes self surface; If ultrasonic wave is peeled off effect to nascent membrane, particle also is to expose self surface.When ultrasonic energy is enough high, will cause ultrasonic cavitation in the solution: the average headway of the molecule in the liquid produces along with ultrasonic vibration and stretches and the extruding variation, forms a large amount of cavitation bubbles; The ultrasonic wave drawing zone forms negative pressuren zone, and cavitation bubble produces rapidly, grows; The ultrasonic wave crush zone forms zone of positive pressure, cavitation bubble rapid closing, collapse.Cavitation bubble collapses moment, produces extreme physical condition such as TRANSIENT HIGH TEMPERATURE, high pressure, strong shock wave and high-speed jet in the little space around the cavitation bubble, and the surperficial covering of particle self is shattered or be shatter, and the physical-chemical reaction process of expectation is further accelerated.Realize process thus with ultrasonic wave eliminating particle surface covering.
The invention has the advantages that: remove particle surface covering in the solution by ultrasonic vibration, can significantly improve the sulfuration of target ore, flotation, leaching and solution purification efficient in the ore pulp.
Description of drawings
Fig. 1 is an embodiment of the inventive method;
Fig. 2 is another embodiment of the inventive method;
Fig. 3 is another embodiment of the inventive method;
Fig. 4 is another embodiment of the inventive method;
Fig. 5 is another embodiment of the inventive method.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, but protection scope of the present invention is not limited to the described scope of embodiment.By accompanying drawing as can be seen the present invention be a kind of method of removing particle surface covering in the solution with ultrasonic wave, in containing the solution of more than one particulate materials or outside, ultrasonic transmission device is set, the ultrasonic wave that ultrasonic transmission device sent passes the solution that contains more than one particulate materials, and in containing the solution of more than one particulate materials the particle of bump in the solution, utilize the particle in the ultrasonic wave bump solution, eliminating particle surface covering, make particle expose self surface, reach the purpose of removing particle surface covering in the solution.Described solution is the liquid that comprises at least a particulate material; Can be the aqueous solution that comprises at least a particulate material, also can be the organic solution that comprises at least a particulate material, can also be the inorganic solution that comprises at least a particulate material.
Embodiment one: the ultrasonic vulcanization process of a kind of cupric oxide ore
Cupric oxide ore granularity-200 order, cupric 1% adopts conventional sulfuration process, adopts vulcanized sodium to make vulcanizing agent, and through sulfuration, flotation, the output copper concentrate contains copper grade 1%.
Under above-mentioned process conditions, increase ultrasonic irradiation process conditions to solution.In filling the solution of cupric oxide ore, ultrasonic transmission device is set, ultrasonic transmission device sends ultrasonic wave when cupric oxide ore solution vulcanizes, ultrasonic wave passes cupric oxide ore solution, and to the generation of the cupric oxide ore stone granulate in cupric oxide ore solution bump, utilize hyperacoustic bump to remove cupric oxide ore particle surface covering, make particle expose self surface, promote the quickening of sulfidation.Described ultrasonic frequency is that 15-200kHz, the sound intensity are 0.5-200w/cm
2, ultrasonic wave bump cupric oxide ore pulp 3 minutes, the output copper concentrate contains copper grade 6%.
The know-why of the ultrasonic sulfuration process of described cupric oxide ore is: at frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave and sulfuration synchronously bump down, the sludge covering is removed efficiently, exposed self surface of cupric oxide ore, the vulcanized sodium ion fully is adsorbed onto the cupric oxide ore particle surface, forms the hydrophobic parent gas integument of vulcanized sodium ion.Blasting under the air bubble lifting, sulfureted cupric oxide ore stone granulate floats rapidly, separates with gangue.Realize removing the sulfidation of cupric oxide ore surface covering thus with ultrasonic wave.
Embodiment two: a kind of zinc oxide ore ultrasonic flotation technology
Zinc oxide ore granularity-200 order contains zinc 5.99%, adopts conventional floatation process, adopts the flotation of XMT-1# medicament, and one-level flotation output zinc concentrate contains zinc grade 7.07%, zinc concentrate productive rate 18%.
Under above-mentioned process conditions, increase ultrasonic irradiation process conditions to solution.In filling the solution of zinc oxide ore, ultrasonic transmission device is set, ultrasonic transmission device sends ultrasonic wave when the flotation of zinc oxide ore solution, ultrasonic wave passes zinc oxide ore solution, and to the generation of the zinc oxide ore stone granulate in zinc oxide ore solution bump, utilize hyperacoustic bump to remove zinc oxide ore particle surface covering, make particle expose self surface, promote the quickening of floatation process.Described ultrasonic frequency is 15-128kHz, sound intensity 0.5-50w/cm
2, the zinc oxide ore pulp is clashed in ultrasonic wave and flotation synchronously, and one-level flotation output zinc concentrate contains zinc grade 11.46%, zinc concentrate productive rate 32%.
The know-why of described zinc oxide ore ultrasonic flotation technology is: at frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave and flotation synchronously bump is down, ore particles is efficiently cleaned, and the sludge covering is removed efficiently, and zinc oxide ore exposes self surface, the XMT-1# ion fully is adsorbed onto the zinc oxide ore particle surface, and forms the hydrophobic parent gas integument of XMT-1# ion on its surface.Blasting under the air bubble lifting, the zinc oxide ore stone granulate that is wrapped up by the XMT-1# ion floats rapidly.Realize removing the floatation process of zinc oxide ore surface covering thus with ultrasonic wave.
Embodiment three: the ultrasonic extract technology of a kind of lead copper matte slag
Lead copper matte slag particle degree-200 order, cupric 45.98% adopts conventional extract technology, 85 ℃ of extraction temperatures.Extraction time 360 minutes, output copper-bath concentration 24.30g/L, copper leaching rate 49.08%.
Under above-mentioned process conditions, increase ultrasonic irradiation process conditions to lead copper matte slag solution.In the solution that fills the lead copper matte slag, ultrasonic transmission device is set, ultrasonic transmission device sends ultrasonic wave when lead copper matte slag solution leaches, ultrasonic wave passes lead copper matte slag solution, and to the generation of the lead copper matte solid impurity particle in lead copper matte slag solution bump, utilize hyperacoustic bump to remove lead copper matte solid impurity particle surface covering, make particle expose self surface, promote the quickening of leaching process.Described ultrasonic frequency is 15-28kHz, sound intensity 5-200w/cm
2, ultrasonic wave clashes into lead copper matte slag slurry, output copper-bath concentration 47.79g/L, copper leaching rate 96.55% synchronously with leaching.
The know-why of the ultrasonic extract technology of described lead copper matte slag is: at frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave with leach synchronously bump down, cause the lead copper matte particle and produce mechanical shock, lead copper matte particle newborn surperficial covering in copper-bath is shattered or is shatter, and strengthen with effective contact strength of solution, its dynamics diffusion process is reinforced, because of himself surface exposure, the physical-chemical reaction process of expectation is accelerated.When ultrasonic energy is enough high, cause ultrasonic cavitation in the solution: along with ultrasonic compressional to transmission, the average headway of the molecule in the liquid produces with ultrasonic vibration and stretches and extruding changes, and forms a large amount of cavitation bubbles.The ultrasonic wave drawing zone forms negative pressuren zone, and cavitation bubble produces rapidly, grows; The ultrasonic wave crush zone forms zone of positive pressure, cavitation bubble rapid closing, collapse.Cavitation bubble collapses moment, in the little space around the cavitation bubble, produce extreme physical condition such as TRANSIENT HIGH TEMPERATURE, high pressure, strong shock wave and high-speed jet, the surperficial covering of lead copper matte particle self is shattered or is shatter, and the physical-chemical reaction process of expectation is further accelerated.Realize removing the leaching process of lead copper matte slag surface covering thus with ultrasonic wave.
Embodiment four: a kind of ultrasonic extract technology of golden high scum that contains
Contain golden high ferro slag particle degree-200 order, contain golden 11g/t, adopt conventional cyaniding and leaching process.Extraction time 24 hours, minimum golden 3.3g/t, the gold leaching rate 50-70% of containing of output leached mud.
Under above-mentioned process conditions, increase ultrasonic irradiation process conditions to solution.In filling the solution that contains golden high scum, ultrasonic transmission device is set, ultrasonic transmission device sends ultrasonic wave containing when golden high scum solution leaches, ultrasonic wave passes and contains golden high scum solution, and to containing the golden high ferro solid impurity particle generation bump that contains in the golden high scum solution, utilize hyperacoustic bump to remove and contain golden high ferro solid impurity particle surface covering, make particle expose self surface, promote the quickening of leaching process.Described ultrasonic frequency is 15-60kHz, sound intensity 1-200w/cm
2, ultrasonic wave clashed into 3-12 hour minimum golden 2.1g/t, the gold leaching rate 67-81% of containing of output leached mud synchronously with leaching.
The described know-why that contains the ultrasonic extract technology of golden high scum is: at frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave with leach synchronously bump down, cause and contain golden high ferro solid impurity particle generation mechanical shock, containing golden high ferro solid impurity particle newborn surperficial covering in solution is shattered or is shatter, and strengthen with effective contact strength of solution, its dynamics diffusion process is reinforced, because of himself surface exposure, the physical-chemical reaction process of expectation is accelerated.When ultrasonic energy is enough high, cause ultrasonic cavitation in the solution: along with ultrasonic compressional to transmission, the average headway of the molecule in the liquid produces with ultrasonic vibration and stretches and extruding changes, and forms a large amount of cavitation bubbles; The ultrasonic wave drawing zone forms negative pressuren zone, and cavitation bubble produces rapidly, grows; The ultrasonic wave crush zone forms zone of positive pressure, cavitation bubble rapid closing, collapse.Cavitation bubble collapses moment, in the little space around the cavitation bubble, produce extreme physical condition such as TRANSIENT HIGH TEMPERATURE, high pressure, strong shock wave and high-speed jet, the surperficial covering that contains golden high ferro solid impurity particle self is shattered or is shatter, and the physical-chemical reaction process of expectation is further accelerated.Realize thus removing the leaching process that contains golden high scum surface covering with ultrasonic wave.
Embodiment five: a kind of extra-high-speed cobalt zinc sulfate solution ultrasonic cleaning technology
The conventional solution of zinc sulfate of a kind of extra-high-speed cobalt contains cobalt 200mg/L, adopts conventional zinc powder+antimonic salt process for purifying.95 ℃ of purification temperatures, 180 minutes clarification times, the zinc consumption that output purifies solution of zinc sulfate up to standard is 10g/L.
Under above-mentioned process conditions, increase ultrasonic irradiation process conditions to solution.In filling the conventional solution of zinc sulfate of extra-high-speed cobalt, ultrasonic transmission device is set, ultrasonic transmission device sends ultrasonic wave when the conventional solution of zinc sulfate of extra-high-speed cobalt purifies, ultrasonic wave passes the conventional solution of zinc sulfate of extra-high-speed cobalt, and, utilize hyperacoustic bump to remove zinc particle surface covering to the zinc particle generation bump in the extra-high-speed cobalt routine solution of zinc sulfate, make particle expose self surface, quicken the displacement reaction of zinc powder, thereby promote the quickening of purification process.Described ultrasonic frequency is 15-60kHz, sound intensity 0.5-10w/cm
2, ultrasonic wave clashed into 30 minutes synchronously with purification, 70 ℃ of purification temperatures, and the zinc consumption that output purifies solution of zinc sulfate up to standard is 5.2g/L.
The know-why of described extra-high-speed cobalt zinc sulfate solution ultrasonic cleaning technology is: at frequency 15-200kHz, sound intensity 0.5-200w/cm
2Ultrasonic wave with purify synchronously bump down, cause zinc particle and produce mechanical shock, zinc powder newborn basic zinc salt surface covering in solution of zinc sulfate is shattered or is shatter, effective contact strength of zinc powder and solution strengthens, its dynamics diffusion process is reinforced, because of himself surface exposure, the physical-chemical reaction process of expectation is accelerated.Realize removing the ultrasonic cleaning process of zinc powder surface covering thus with ultrasonic wave.
Claims (1)
1. method with ultrasonic wave eliminating particle surface covering, in containing the solution of more than one particulate materials or outside, ultrasonic transmission device is set, the ultrasonic wave that ultrasonic transmission device sent passes the solution that contains more than one particulate materials, and in containing the solution of more than one particulate materials the particle of bump in the solution, utilize the particle in the ultrasonic wave bump solution, eliminating particle surface covering makes particle expose self surface; And conventional sulfuration process, the floatation process of routine or the extract technology of routine of employing, it is characterized in that: under conventional sulfuration process, conventional floatation process or conventional extract technology condition, increase ore pulp solution is applied frequency 60-200kHz, sound intensity 5-200w/cm
2Ultrasonic wave bump process conditions, make ore pulp solution in sulfuration, flotation or leach and be subjected to hyperacoustic bump simultaneously.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101498557B (en) * | 2009-01-23 | 2013-12-11 | 佛山市兴民科技有限公司 | Method for improving metallurgy solution crystallization deposition in air cooling course and air cooling column |
| CN101844111A (en) * | 2009-04-08 | 2010-09-29 | 佛山市兴民科技有限公司 | Ultrasonic flotation method and device and application thereof |
| CN101757981B (en) * | 2009-09-14 | 2014-06-25 | 佛山市兴民科技有限公司 | Method and device for simultaneously carrying out grinding and floatation processes on ultrafine particles |
| CN101914686B (en) * | 2010-06-01 | 2013-04-03 | 古晓跃 | Method for floating and recycling gold and silver by lead and silver slag ultrasonic treatment in zinc electrolysis plant |
| US8540798B2 (en) * | 2011-01-04 | 2013-09-24 | Guilherme Santana Lopes Gomes | Systems and methods for recycling steelmaking converter sludge |
| CN102952949B (en) * | 2012-09-17 | 2014-04-16 | 株洲市兴民科技有限公司 | Ultrasonic smelting method and system device for treating zinc leaching residue, and use of ultrasonic smelting method |
| CN104975187A (en) * | 2014-10-23 | 2015-10-14 | 铜陵县明晋生产力促进中心有限公司 | Pyrite sintered slag gold extraction technology |
| CN106319239B (en) * | 2016-08-24 | 2018-06-29 | 铜仁市万山区盛和矿业有限责任公司 | A kind of extracting method of arsenical pyrite |
| CN107737667A (en) * | 2017-11-21 | 2018-02-27 | 湖南有色金属研究院 | The method for improving high shale content cupric oxide ore mineral processing index |
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