CN201024214Y - Device for electrochemical dissolution for molybdenite - Google Patents
Device for electrochemical dissolution for molybdenite Download PDFInfo
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- CN201024214Y CN201024214Y CNU2007200318147U CN200720031814U CN201024214Y CN 201024214 Y CN201024214 Y CN 201024214Y CN U2007200318147 U CNU2007200318147 U CN U2007200318147U CN 200720031814 U CN200720031814 U CN 200720031814U CN 201024214 Y CN201024214 Y CN 201024214Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides an electric chemical device which is used for dissolving molybdenite, consisting essentially of a vertical unconfined non-membranous cylindrical electrolyzer trough body, a column-shaped grid titanium anode pole, two column-shaped grid titanium cathode poles, a mechanical agitator, and a direct current voltage stabilized supply. The electrolyzer trough body is provided with the mechanical agitator, an anode pole and two cathode poles. The anode pole and the cathode pole are positioned around the outer mechanical agitator; the two sides of the anode pole are respectively provided with a cathode pole; the anode pole is connected with the anode of the direct current voltage stabilized supply. After the parallel connection, the two cathode poles are connected with the cathode of the direct current voltage stabilized supply. The electrolyzer trough body, the anode pole and the two cathode poles are all designed and arranged in the form of concentric circle; the pole distance between the anode pole and the two cathode poles is isometry. The device has the advantages of simple structure, high molybdenite anode pole oxidation dissolving rate, low electrolysis energy consume, high electric current efficiency and mass producing performance.
Description
Technical field
The utility model relates to the device in a kind of dissolution of metals ore deposit, is specifically related to a kind of device of electrochemical dissolution molybdenum glance.
Background technology
Molybdenum glance is the main ore source of industrial production metal molybdenum, molybdenum alloy and compound thereof.At present, the main employing of molybdenum smelting both at home and abroad molybdenum glance oxidizing roasting-ammonia method of soaking extract-is made molybdenum salt-calcining and is made the traditional technology of molybdenum oxide-hydrogen reducing-molybdenum powder.Although this traditional technology has technology advantage simple, with low cost, also has output SO simultaneously
2Serious environment pollution, energy consumption height, the low four big fatal drawbacks that reach only suitable processing standard concentrated molybdenum ore of recovery rate of valuable metals.
Along with human environmental consciousness strengthens to reach the mineral resources comprehensive utilization level is required to improve constantly, research is more and more paid attention to the molybdenum hydrometallurgical processes both at home and abroad, and the exploitation dynamics is also increasing, in the hope of replacing traditional thermal process.Hydrometallurgy is with its diversity and high chemo-selective, and makes it be suitable for handling various complicated ore, low grade ore, intermediates, residue and waste material, be convenient to separate purify, comprehensive utilization and reclaiming, solve environmental issue easily.Since the seventies in 20th century, developed the full hydrometallurgical processes of many molybdenum glances both at home and abroad in succession, have nitric acid oxidation decomposition technique, the oxygen pressure of comparative maturity are boiled technology and clorox decomposition technique.These technologies have all overcome four big drawbacks of traditional technology, but nitric acid oxidation and oxygen pressure are boiled technology, and its process needs High Temperature High Pressure, and very high to the conversion unit requirement, the processing condition in the leaching process also are difficult to control, now are difficult to industrial production; Clorox decomposition technique condition is comparatively gentle, produces easy to control, not high to equipment requirements, but main drawback be the reagent consumption amount greatly, production cost is very high.This technology is mainly used in and handles low-grade molybdenum chats and mine tailing etc. at present.
It is the metallurgical new technology of developing in recent years of molybdenum that electrolytic oxidation is handled molybdenum glance, be used for the research of molybdenum metallurgical technology, compare with sophisticated other wet processing, have that technology is simple, facility investment is little, the economic benefit advantages of higher, but only rest on the experimental study stage at present.Molybdenum glance electrooxidation method still be a kind of efficient and environment-friendly type process for cleanly preparing, be exactly the development of sodium-hypochlorite process in fact, promptly the collection generation of clorox and the oxygenolysis of molybdenum glance are one in electrolyzer, it can reduce production costs greatly.This method is the molybdenum glance hydrometallurgical processes that will have development prospect future.
The molybdenum glance of electrooxidation method decomposition at present main drawback is that current efficiency is not high, and power consumption is bigger, causes production cost higher, is lacking economic advantages aspect the standard of the processing concentrated molybdenum ore.The electrolyzer of the present invention design and the electrode materials of selecting for use not only effectively anodic oxidation dissolve molybdenum glance in standard concentrated molybdenum ore and the non-standard concentrated molybdenum ore, and can effectively improve molybdenum glance anodic oxidation dissolved speed and equipment capacity, reduce its electrolysis energy consumption greatly.
The electrolyzer that electrolytic metallurgic industry adopts can be divided into vertical electrolyzer and horizontal electrolyzer by the electrode laying method; Method of attachment by electrode can be divided into acyclic type electrolyzer and multipole type electrolyzer; By whether being with barrier film to be divided into barrier film and undivided cell are arranged; Can be divided into circular and square electrolyzer by shape.Electrode materials commonly used mainly contains graphite, stainless steel, titanium coated electrode.
The electrode materials that adopts in the research of the molybdenum glance of electrooxidation method decomposition both at home and abroad mainly is the most widely used graphite of electrolytic industry at present, and its anode and negative electrode are graphite cake.Graphite Electrodes have analyse the chlorine overpotential lower, conduct electricity, easily processing, inexpensive advantage.But also there are bad mechanical strength, easily wearing and tearing, life-span short (only being 6～8 months), groove to press shortcomings such as height, current efficiency, cell body volume are big.The present invention adopts the ruthenium-iridium-tantalum coating titanium anode to make anode material, and pure titanium plate is made cathode material, efficiently solves that molybdenum glance anodic oxidation dissolution rate and current efficiency are low, an energy consumption high-technology difficult problem.
The utility model content
The purpose of this utility model is to solve the technological deficiency that molybdenum glance anodic oxidation dissolution rate is low, energy consumption is high and equipment capacity is little in the prior art.And a kind of device of electrochemical dissolution molybdenum glance is provided, this device can improve molybdenum glance anodic oxidation rate of decomposition greatly, effectively reduces the energy consumption of molybdenum glance electrolytic dissolution; Both can effectively handle the concentrated molybdenum ore of high and low grade, can handle the molybdenum glance of the complexity of difficult choosing again, and the effectively comprehensive rare metal such as rhenium that reclaims.
To achieve these goals, the technical solution adopted in the utility model is: a kind of device of electrochemical dissolution molybdenum glance, comprise the electrolyzer cell body and be positioned at the external D.C. regulated power supply of electrolytic bath, it is characterized in that: mechanical stirrer, an anode electrode and two cathode electrodes are installed in the described electrolyzer cell body, anode electrode and cathode electrode are positioned at the mechanical stirrer outside, the anode electrode both sides are equipped with a cathode electrode respectively, anode electrode is connected with D.C. regulated power supply is anodal, is connected with the D.C. regulated power supply negative electrode after two cathode electrode parallel connections.
Interpole gap between described anode electrode and two cathode electrodes is equidistant; Described electrolyzer cell body is a drum shape, and described anode electrode and cathode electrode are the cylindric electrode that draws in the net; Described electrolyzer cell body, anode electrode and two cathode electrodes are concentric design and install; Described anode electrode material adopts the ruthenium-iridium-tantalum coating titanium anode, and described cathode electrode material adopts pure titanium; The thickness of described anode electrode is 1～1.5mm, and the thickness of described two cathode electrodes is 1～1.5mm; Described mechanical stirrer is installed in the intravital central position of described electrolytic bath; Described electrolyzer cell body is uncovered vertical undivided cell cell body.
The utility model compared with prior art has the following advantages:
(1) cell body, anode electrode and two cathode electrodes are the concentric design installation, and it is simple in structure; The two sides of anode electrode is respectively equipped with a cathode electrode, has made full use of two faces of anode electrode, has effectively improved unit volume pole plate area, thereby has improved the throughput of electrolyzer greatly.
(2) anode electrode and cathode electrode are designed to the cylindric electrode that draws in the net, and help evenly diffusion and mobile of ore pulp.
(3) adopt ruthenium-iridium-tantalum coating titanium anode electrode and pure titanium cathode electrode to make electrode materials, can effectively accelerate molybdenum glance electrolytic oxidation speed, reduce and analyse the chlorine overpotential, improve overpotential for oxygen evolution, thereby improve Faradaic current efficient.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a syndeton synoptic diagram of the present utility model.
Fig. 2 removes vertical view behind the D.C. regulated power supply 6 for the utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model is mainly by uncovered vertical no barrier film drum shape electrolyzer cell body 1, the cylindric titanium anode electrode 4 that draws in the net, two cylindric titanium cathode electrodes 2 that draw in the net, mechanical stirrer 5 and D.C. regulated power supply 6 are formed, in the described electrolyzer cell body 1 mechanical stirrer 5 is installed, an anode electrode 4 and two cathode electrodes 2, anode electrode 4 and cathode electrode 2 are positioned at the outside of mechanical stirrer 5, anode electrode 4 both sides are equipped with a cathode electrode 2 respectively, anode electrode 4 is connected with the positive pole of D.C. regulated power supply 6, and two cathode electrode 2 backs in parallel are connected with the negative electrode of D.C. regulated power supply 6.Anode electrode 4 both sides are equipped with a cathode electrode 2 respectively, have made full use of two faces of anode electrode 4, have effectively improved unit volume pole plate area, thereby have improved the throughput of electrolyzer greatly.As shown in Figure 2, described electrolyzer cell body 1, anode electrode 4 and two cathode electrodes 2 are the concentric design installation.Described anode electrode 4 materials adopt the ruthenium-iridium-tantalum coating titanium anode, and described cathode electrode 2 materials adopt pure titanium; The thickness of described anode electrode 4 is 1～1.5mm, and the thickness of described two cathode electrodes 2 is 1～1.5mm; Described mechanical stirrer 5 is installed in the central position in the described electrolyzer cell body 1; Described electrolyzer cell body 1 is uncovered vertical undivided cell cell body.
As shown in the figure, described anode electrode 4 and cathode electrode 2 are the cylindric electrode that draws in the net, and help evenly diffusion and mobile of ore pulp, improve molybdenum glance electrolytic oxidation reaction speed.The cylindric electrode design purpose of drawing in the net: the bubble that (1) produces electrode reaction spills into the space at the electrode back side, reduce the inflation rate of electrolytic solution between the electrode, thereby reduce the operating voltage of solution ohm voltage drop and electrochemical reactor, and bubble is reduced in the effect that electrode surface adheres to and is detained; (2) draw in the net the effective working area of electrode and reduce, real current density improves, and electrochemical polarization is increased.Described anode electrode material employing thickness is 1～1.5 millimeter ruthenium-iridium-tantalum coating titanium anode, and described cathode electrode material employing thickness is 1～1.5 millimeter pure titanium, can effectively reduce and analyse oxygen and overpotential for oxygen evolution, improves Faradaic current efficient.Mechanical stirrer 5 is installed in the central position of electrolyzer cell body 1, helps ore pulp and is in even suspended state.
As shown in Figure 2, the interpole gap between described anode electrode 4 and two cathode electrodes 2 is equidistant.Interpole gap between its anode electrode 4 and the cathode electrode 2 is 4～12 millimeters.
The ruthenium-iridium-tantalum coated titanium is made anode electrode and pure titanium plate to be used for the molybdenum glance oxidization electrolysis as cathode electrode and to have following advantage: (1) ruthenium-iridium-tantalum coating titanium anode has very high electro catalytic activity to villaumite electrolysis and the reaction of molybdenum glance oxidization electrolysis, make and analyse the chlorine overpotential and obviously reduce, press and energy consumption thereby reduced groove; (2) ruthenium-iridium-tantalum coating titanium anode and pure titanium plate are anti-corrosion in chloride media, long working life, and electrode size is stable, so electrode gap is constant, and groove is pressed stable, helps the electrolyzer long-term stable operation; (3) therefore the ruthenium-iridium-tantalum coating titanium anode can improve current density because to analyse the chlorine overpotential low.(4) ruthenium-iridium-tantalum coating titanium anode and pure titanium plate physical strength height, conduct electricity very well, and, can repeatedly use repeatedly, thereby reduce production costs as long as the non-warping distortion of pole piece matrix is just easily repaired.(5) ruthenium-iridium-tantalum coating titanium anode and pure titanium plate cathode are in light weight, can reduce labor intensity.
Claims (9)
1. the device of an electrochemical dissolution molybdenum glance, comprise the electrolyzer cell body and be positioned at the external D.C. regulated power supply of electrolytic bath, it is characterized in that: mechanical stirrer, an anode electrode and two cathode electrodes are installed in the described electrolyzer cell body, anode electrode and cathode electrode are positioned at the mechanical stirrer outside, the anode electrode both sides are equipped with a cathode electrode respectively, anode electrode is connected with D.C. regulated power supply is anodal, is connected with the D.C. regulated power supply negative electrode after two cathode electrode parallel connections.
2. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 is characterized in that: the interpole gap between described anode electrode and two cathode electrodes is for equidistant.
3. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 and 2 is characterized in that: described electrolyzer cell body is a drum shape, and described anode electrode and cathode electrode are the cylindric electrode that draws in the net.
4. the device of a kind of electrochemical dissolution molybdenum glance according to claim 3 is characterized in that: described electrolyzer cell body, anode electrode and two cathode electrodes are concentric design and install.
5. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 is characterized in that: described anode electrode material adopts the ruthenium-iridium-tantalum coating titanium anode, and described cathode electrode material adopts pure titanium.
6. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 is characterized in that: the thickness of described anode electrode is 1～1.5 millimeter, and the thickness of described two cathode electrodes is 1～1.5 millimeter.
7. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 is characterized in that: described mechanical stirrer is installed in the intravital central position of described electrolytic bath.
8. the device of a kind of electrochemical dissolution molybdenum glance according to claim 1 is characterized in that: described electrolyzer cell body is uncovered vertical undivided cell cell body.
9. the device of a kind of electrochemical dissolution molybdenum glance according to claim 2 is characterized in that: the interpole gap between described anode electrode and the cathode electrode is 4～12 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200318147U CN201024214Y (en) | 2007-05-18 | 2007-05-18 | Device for electrochemical dissolution for molybdenite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200318147U CN201024214Y (en) | 2007-05-18 | 2007-05-18 | Device for electrochemical dissolution for molybdenite |
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| CN201024214Y true CN201024214Y (en) | 2008-02-20 |
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| CNU2007200318147U Expired - Lifetime CN201024214Y (en) | 2007-05-18 | 2007-05-18 | Device for electrochemical dissolution for molybdenite |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698602A (en) * | 2017-01-10 | 2017-05-24 | 昆山泰瑞克智能科技有限公司 | Electrolyzed water sterilization device and sterilization method |
| CN109097564A (en) * | 2018-09-21 | 2018-12-28 | 淄博淦达环保科技有限公司 | A kind of leaching kettle |
| CN109182741A (en) * | 2018-09-21 | 2019-01-11 | 淄博淦达环保科技有限公司 | A kind of leaching device |
| CN110304697A (en) * | 2019-07-01 | 2019-10-08 | 河北丰源环保科技股份有限公司 | Three level segment electrochemistry sewage disposal device of twin cathode |
| CN110436579A (en) * | 2019-08-23 | 2019-11-12 | 中国恩菲工程技术有限公司 | Stirred tank Electrochemical oxidation device |
| CN112427648A (en) * | 2020-11-30 | 2021-03-02 | 长安大学 | Preparation method and preparation device of metal molybdenum powder |
-
2007
- 2007-05-18 CN CNU2007200318147U patent/CN201024214Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698602A (en) * | 2017-01-10 | 2017-05-24 | 昆山泰瑞克智能科技有限公司 | Electrolyzed water sterilization device and sterilization method |
| CN109097564A (en) * | 2018-09-21 | 2018-12-28 | 淄博淦达环保科技有限公司 | A kind of leaching kettle |
| CN109182741A (en) * | 2018-09-21 | 2019-01-11 | 淄博淦达环保科技有限公司 | A kind of leaching device |
| CN109182741B (en) * | 2018-09-21 | 2020-12-29 | 淄博淦达环保科技有限公司 | Leaching device |
| CN110304697A (en) * | 2019-07-01 | 2019-10-08 | 河北丰源环保科技股份有限公司 | Three level segment electrochemistry sewage disposal device of twin cathode |
| CN110304697B (en) * | 2019-07-01 | 2024-04-05 | 安泰丰源环保科技(内蒙古)集团股份有限公司 | Double cathode three stage electrochemical sewage treatment equipment |
| CN110436579A (en) * | 2019-08-23 | 2019-11-12 | 中国恩菲工程技术有限公司 | Stirred tank Electrochemical oxidation device |
| CN112427648A (en) * | 2020-11-30 | 2021-03-02 | 长安大学 | Preparation method and preparation device of metal molybdenum powder |
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Granted publication date: 20080220 |
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