CN102703687A - Temperature controllable device for selectively leaching minerals by bacteria - Google Patents
Temperature controllable device for selectively leaching minerals by bacteria Download PDFInfo
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- CN102703687A CN102703687A CN2012101992289A CN201210199228A CN102703687A CN 102703687 A CN102703687 A CN 102703687A CN 2012101992289 A CN2012101992289 A CN 2012101992289A CN 201210199228 A CN201210199228 A CN 201210199228A CN 102703687 A CN102703687 A CN 102703687A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention relates to a temperature controllable device for selectively leaching minerals by bacteria. The device comprises a stirrer, a main body reactor and a constant temperature controller, wherein the main body reactor is a hollow cylinder; an intermediate chamber which is used for placing mineral leaching bacteria and is constructed by a glass fiber microfiltration membrane is formed in the middle of the main body reactor, and a plurality of fan-shaped chambers which have the same sizes and are used for placing minerals of different varieties or particle sizes are partitioned at the periphery of the cuboid chamber by clapboards and the inner wall of the main body reactor; stirring paddles of the stirrer extend into the fan-shaped chambers; a closed water bath device is arranged inside the main body reactor, and a water outlet is formed on the side wall close to the bottom; and a heating device and the constant temperature controller which are connected with each other are also arranged inside the main body reactor. By the temperature controllable device, the decomposition and utilization of the mineral leaching bacteria on the minerals of different varieties or particle sizes can be reflected accurately at a certain constant temperature under the same reaction condition and reaction time.
Description
Technical field
The present invention relates to the microbial metallurgy technical field, particularly relate to a kind of temperature controlled ore-leaching bacteria the mineral selectivity is leached device.
Background technology
The microbial metallurgy technology is widely used in the biology leaching of primary sulfide ore, complex ore, particularly lean ore, abandoned mine, ore hard to manage.The biology of copper, gold, uranium metal leaches and realizes industrialization already at present, and the biology of other metal leaches in experimental stage, and this technology all is of great immediate significance to the industrial development and the national defence field of China.Since eighties of last century; The investigator has launched scientific research widely to ore-leaching bacteria absorption mineral; But only limit to utilize traditional simple assembly (like Erlenmeyer flask) to carry out continuous repeated experiments; To bring inconvenience to the investigator like this: at first, each device can only be measured a kind of mineral when testing at every turn; Secondly, a large amount of repeated experiments are wasted resource and time; The homogeneity and the repeatability of condition when once more, in leaching process, being difficult to guarantee each the experiment; What deserves to be mentioned is most that can't measure different sorts or granularity mineral is decomposed and utilizes situation at one time with under the same reaction conditions.
According to the relevant device device data of being looked into, only there is the Li Bangmei of Central South University to apply for relevant patent of invention in 2006, but do not obtain the authorization up to now.This invention is a selective adsorption arrangement, and there are many deficiencies in this device in design, can't practical application.At first, this device is closed unit, and being not suitable for is the growth of the ore-leaching bacteria of aerobic bacteria mostly; Secondly, owing to there is the ore-leaching bacteria of running prospect to be thermophilic bacteria and thermophilic bacterium mostly at present, its optimum growth temperature is between 30 ℃-80 ℃, and this device can't guarantee that temperature reaches bacterium normal growth and the righttest growth requirement; Once more, this device is owing to need the whole microfiltration membrane plug-in unit of frequent change, and the duration of test consumptive material consumes high, and the microfiltration membrane plug-in unit exists with sector shaped chamber on every side and contacts the risk that does not closely cause the different minerals particle to pollute each other with the reactor drum chassis simultaneously; At last; Each sector shaped chamber dividing plate of this device and cubes cell are glass fibre porous filter membrane; Soaking in the process of ore deposit of different minerals; Ion in the different ore leachates can pass through the millipore filtration free migration, very likely influences the absorption and leaching reaction of bacterium to mineral, should reduce the approach that different ore leachate intermediate ions move each other as far as possible.
Summary of the invention
Technical problem to be solved by this invention provides a kind of temperature controlled bacterium the mineral selectivity is leached device, can and reflect that ore-leaching bacteria decomposes utilization to different sorts or granularity mineral at a certain steady temperature condition, same reaction conditions under the time exactly.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of temperature controlled bacterium that the mineral selectivity is leached device; Comprise whisking appliance, main body reactor drum and radiator valve; Said main body reactor drum is a hollow circular cylinder; Be provided with in the middle of the said main body reactor drum and be used to place intermediate chamber ore-leaching bacteria and that build by glass fibre porous filter membrane, and the inwall through dividing plate and said main body reactor drum is separated out the sector shaped chamber that is used to place different sorts or granularity mineral of several same size around in said rectangular parallelepiped chamber; The stirring rake of said whisking appliance stretches in the said sector shaped chamber; Said main body inside reactor is provided with airtight water-bath device, is provided with water outlet near the sidewall of bottom; Said main body inside reactor also is provided with interconnective heating unit and radiator valve.
Said glass fibre porous filter membrane is the microfiltration membrane plug-in unit; Said microfiltration membrane plug-in unit is embedded in the hollow synthetic glass board mount at two V-arrangement edges, and fixes through fixing traveling nut knob.
Said main body reactor drum chassis is provided with the mount pad of microfiltration membrane plug-in unit.
Said heating unit is the annular electro heated filament.
Said whisking appliance comprises support disk, is fixed with two cross one another horizontal stands under the said support disk; Said horizontal stand two ends all are connected with vertical support frame, and said vertical support frame is installed on the chassis of said main body reactor drum; Said support disk lower surface is fixed with fixed link; Said fixed link lower end links to each other chimeric with stirring rake through governing screw; Said stirring rake lower end is provided with two blades; Be with from gear on the said fixed link; Upside-down mounting has the motor that links to each other with unit on the said support disk, and the output shaft of said motor passes said support disk and links to each other with master gear; Said master gear be meshing with each other from gear.
Said vertical support frame is enclosed within the lifting sleeve of hollow; Said lifting sleeve interfixes through governing screw and vertical support frame; Said lifting sleeve is installed on the chassis of said main body reactor drum.
Said horizontal stand links to each other with the chimeric mode of machinery through governing screw with vertical support frame.
Said stirring rake lower end is provided with at a distance of two two leaves of mixing for 30-60mm.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The present invention compared with prior art; Have following advantage and positively effect: the present invention is through adding cooperatively interacting of whisking appliance and main body reactor drum; Under oxygen abundance, homo(io)thermism condition, the selective adsorption of ore-leaching bacteria to mineral is provided, utilizes environment; Can the mineral of different sorts or granularity be placed with under a kind of condition, and don't can each other mix, free-moving ore-leaching bacteria then can optionally adsorb mineral of different nature and utilizes according to self metabolism needs; And can in soaking the ore deposit reaction, control reaction conditions; Through the concentration of ore-leaching bacteria in the breeze place cell ore leachate of measuring different sorts or granularity, and ore leachate pH and redox potential changing conditions, the leaching effect of evaluation bacterium and different sorts or granularity breeze preferentially utilized situation.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the sectional view of main body reactor drum among the present invention;
Fig. 4 is the vertical view of microfiltration membrane plug-in unit among the present invention;
Fig. 5 is the formation unit figure of microfiltration membrane plug-in unit among the present invention;
Fig. 6 is the mount pad structural representation on the main body reactor drum chassis among the present invention;
Fig. 7 is an agitator structure synoptic diagram among the present invention;
Fig. 8 is the lifting sleeve of whisking appliance among the present invention and the synoptic diagram that is connected of vertical support frame;
Fig. 9 is that horizontal stand is connected the chimeric figure of place among the present invention with vertical support frame.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present invention relates to a kind of temperature controlled bacterium the mineral selectivity is leached device; Comprise whisking appliance, main body reactor drum and radiator valve; Said main body reactor drum is a hollow circular cylinder; Be provided with in the middle of the said main body reactor drum and be used to place intermediate chamber ore-leaching bacteria and that build by glass fibre porous filter membrane, and the inwall through dividing plate and said main body reactor drum is separated out the sector shaped chamber that is used to place different sorts or granularity mineral of several same size around in said rectangular parallelepiped chamber; The stirring rake of said whisking appliance stretches in the said sector shaped chamber; Said main body inside reactor is provided with airtight water-bath device, is provided with water outlet near the sidewall of bottom; Said main body inside reactor also is provided with interconnective heating unit and radiator valve.
This device provides the selective adsorption of ore-leaching bacteria to mineral, utilizes environment under oxygen abundance, homo(io)thermism condition; Can the mineral of different sorts or granularity be placed with under a kind of condition; And don't can mix each other; Free-moving ore-leaching bacteria then can optionally adsorb mineral of different nature and utilizes according to self metabolism needs, and can in soaking the ore deposit reaction, control reaction conditions, through the concentration of ore-leaching bacteria in the breeze place cell ore leachate of measuring different sorts or granularity; And ore leachate pH and redox potential changing conditions, estimate the leaching effect of bacterium and different sorts or granularity breeze preferentially utilized situation.
By main body reactor drum, constant temperature numerical control indicating meter with add whisking appliance and form this device.Ore-leaching bacteria is to the absorption of mineral and decompose and utilize reaction to betide in the main body reactor drum, and the reactor drum uncovered is convenient to be stirred to guarantee that oxygen and carbonic acid gas are by the air regular supply; Reactor drum is divided into several reaction small chambers by dividing plate and microfiltration membrane plug-in unit; The mineral of different sorts or granularity can be put in plurality of sector chamber all around; Be spaced from each other with synthetic glass between each cell; Can reduce the approach that different ore leachate intermediate ions exchange each other, and then significantly reduce and to influence the uncertain factor of ore-leaching bacteria the preferential situation of mineral utilization.The centre is an intermediate chamber, can hold ore-leaching bacteria, and the intermediate chamber side is glass fibre porous filter membrane.Because the ore-leaching bacteria size is 0.5-2 μ m; Mineral granularity is 40-250 μ m; Membrane pore size is 8-20 μ m; Thereby can allow ore-leaching bacteria freely to pass through, mineral then can't pass through, ore-leaching bacteria can according to the needs of self growth metabolism between the mineral of several kinds of different sortses and granularity optionally absorption utilize.Reaction was carried out synchronously, guaranteed the homogeneous and the repeatability of condition when ore-leaching bacteria utilizes different minerals again.Because filter membrane can not forever use, therefore around it, add the edge of plastics, make the microfiltration membrane plug-in unit, be replaceable filter membrane through the dismounting plug-in unit.
The temperature that ore-leaching bacteria need suit to the absorption and the decomposition reaction of mineral could guarantee maximum metabolic rate; So at the peripheral thermostat that adds the ring seal of identical material of main body reactor drum; This device is made up of annular electro heated filament and numerical control temperature control indicating meter; Can monitor and adjust temperature of reaction in real time; Adding whisking appliance can be by four motor synchronous control, and four stirring rakes of four electric machine main shaft gears rotation back drives rotate with same speed and stir corresponding cell, make cell obtain enough oxygen and carbonic acid gas.
As shown in Figure 1, apparatus of the present invention are formed by adding whisking appliance 2, main body reactor drum 1, radiator valve three parts.It is the 8mm synthetic glass that main body reactor drum 1 wall material is water white thickness, and reactor drum 1 chassis diameter is 300mm, and top, chassis is two concentric(al) circles looping structures; Height 120mm, external diameter is 280mm, the centre is airtight water-bath device; Annular top has diameter 10mm prosopyle; Having the annular electro heated filament to go out to have a diameter around, wall apart from bottom 2mm in the confined chamber is the water outlet of 20mm protrusion, and chimeric temperature controller.The internal diameter of main body reactor drum 1 is 240mm; Right cylinder for the hollow uncovered; Inside is divided into four fan-shaped middle chambers that grade is big by lucite spacer 12; So that it is the cubes cell of 60mm that reactor center forms the length of side, the cubes cell is surrounded by glass fibre porous filter membrane 12 the fan-shaped length of side less than the reactor drum radius.Fig. 2 is the vertical view of main body reactor drum of the present invention, and Fig. 3 is a main body reactor drum sectional view of the present invention.Adding the stirrer stand height is 200mm, is made up of a motor and five gears, and the motor master gear rotates other four gears of drive and rotates with same speed; Motor is placed at the disk top, and connects unit trip switch and rotating speed, and four steel supports are chimeric respectively to four apertures in main body reactor drum chassis; Four stainless steel stirring rake height 180mm; 60mm goes out a nested hollow sleeve to every support from distance from bottom ground, and in sleeve pipe the other end punching, the degree of tightness through screw realizes the free adjustment to support height; Support level length is 280mm; Each stirring rake has the stainless paddle of two intersections, and following paddle is 20mm apart from reactor bottom, and two paddles are mutually from being 30-60mm.
Cubes cell and separating with glass fibre porous filter membrane plug-in unit between the sector shaped chamber on every side can make bacterium freely come in and go out.Microfiltration membrane is embedded on the hollow synthetic glass board mount at two V-arrangement edges, the high 110mm of frame, each hem width 10mm of frame-saw.Fig. 6 left side figure is the vertical view of V-arrangement poly (methyl methacrylate) plate; Two V-arrangement poly (methyl methacrylate) plate sandwich microfiltration membrane are also passed through six fixedly microfiltration membrane plug-in units at a W shape edge of traveling nut knob formation; Fig. 4 is the complete vertical view of microfiltration membrane plug-in unit; The centre is emptied and can be pulled and pushed the replacing filter membrane, and Fig. 5 is a microfiltration membrane plug-in unit side W shape conceptual view.
For guaranteeing the respond tight contact on device chassis of microfiltration membrane plug-in unit, as shown in Figure 6, the chassis of main body reactor drum is provided with and is used to place the M shape edge mount pad that the length of side is a 60mm square antiseep W shape synthetic glass frame.In the time of in microfiltration membrane plug-in unit insertion reaction device, the M shape edge mount pad of this bottom can be closely chimeric with W shape base frame.Each frame W connected in star length of this square is 40mm, and each 10mm length of two ends, every limit is smooth interface, can pass through industrial waterproof strong glue bond with the sallop screen vulcanite.
Sector shaped chamber dividing plate length can be derived as 77.6mm through geometrical calculation; It is 90 ° of chimeric supports of W type vulcanite that the dividing plate end is told angle; Can be closely chimeric with the microfiltration membrane plug-in unit; This backing thickness is 10mm, with industrial waterproof strong glue and sallop screen close adhesion, realizes the movable property of microfiltration membrane plug-in unit with this.
As shown in Figure 7, whisking appliance 2 comprises support disk 31, and said support disk is fixed with two cross one another horizontal stands 32 for 31 times; Said horizontal stand 32 two ends all are connected with vertical support frame 33; Said support disk 31 lower surfaces are fixed with fixed link 34; Said fixed link 34 lower ends link to each other chimeric with stirring rake 34 through governing screw; Said stirring rake 34 lower ends are provided with two blades 37; Be with from gear on the said fixed link 34; Upside-down mounting has the motor 38 that links to each other with unit 39 on the said support disk 31, and the output shaft of said motor 38 passes said support disk 31 and links to each other with master gear; Said master gear be meshing with each other from gear.Said vertical support frame 33 is enclosed within the lifting sleeve 36 of hollow; Said lifting sleeve 36 interfixes through governing screw and vertical support frame 33.
As shown in Figure 8; The free lifting of whipping appts is realized in vertical support frame 33 bottoms by hollow lifting sleeve 36; But through the height of the control sleeve pipe 36 degree of tightness free adjustment steel pipe support of tightening up a screw, can realize controlling the height of stirring rake, make the optimum contacting state of reaction solution and stirring rake; But the level at non-horizontal surface also realization response liquid stirs simultaneously.
As shown in Figure 9; Vertical support frame 33 and horizontal stand 32 link to each other through governing screw, form to connect chimeric place, through governing screw; Can realize the dismounting of vertical support frame 33; Enlarged the use range of whisking appliance after the dismounting and increased it and used handiness, turned to free style (device can manually be controlled, and realizes the stirring to the reactor drum of any position and shape) to stir by fixed stirring (can only be positioned over horizontal plane before the dismounting stirs) as realizing; Vertical support frame and horizontal stand angle can not only increase the adjustable extent of device height 0-180 ° of scope free adjustment, but the also potential kind that enlarges stirred reactor.
Claims (8)
1. a temperature controlled bacterium is leached device to the mineral selectivity; Comprise whisking appliance (2), main body reactor drum (1) and radiator valve; It is characterized in that; Said main body reactor drum (1) is a hollow circular cylinder; Be provided with in the middle of the said main body reactor drum (1) and be used to place intermediate chamber ore-leaching bacteria and that build by glass fibre porous filter membrane (11), and be separated out the sector shaped chamber that is used to place different sorts or granularity mineral of several same size on every side in said rectangular parallelepiped chamber through the inwall of dividing plate (12) and said main body reactor drum (1); The stirring rake of said whisking appliance (2) stretches in the said sector shaped chamber; Said main body reactor drum (1) inside is provided with airtight water-bath device, is provided with water outlet near the sidewall of bottom; Said main body reactor drum (1) inside also is provided with interconnective heating unit and radiator valve.
2. temperature controlled bacterium according to claim 1 is leached device to the mineral selectivity, it is characterized in that said glass fibre porous filter membrane (11) is the microfiltration membrane plug-in unit; Said microfiltration membrane plug-in unit is embedded in the hollow synthetic glass board mount at two V-arrangement edges, and fixes through fixing traveling nut knob.
3. temperature controlled bacterium according to claim 2 is leached device to the mineral selectivity, it is characterized in that said main body reactor drum (1) chassis is provided with the mount pad of microfiltration membrane plug-in unit.
4. temperature controlled bacterium according to claim 1 is leached device to the mineral selectivity, it is characterized in that said heating unit is the annular electro heated filament.
5. temperature controlled bacterium according to claim 1 is leached device to the mineral selectivity, it is characterized in that said whisking appliance (2) comprises support disk (31), is fixed with two cross one another horizontal stands (32) under the said support disk (31); Said horizontal stand (32) two ends all are connected with vertical support frame (33), and said vertical support frame (33) is installed on the chassis of said main body reactor drum (1); Said support disk (31) lower surface is fixed with fixed link (34); Said fixed link (34) lower end links to each other chimeric with stirring rake (35) through governing screw; Said stirring rake (35) lower end is provided with two blades (37); Said fixed link is with from gear on (34); Said support disk (31) goes up upside-down mounting has the motor (38) that links to each other with unit (39), and the output shaft of said motor (38) passes said support disk (31) and links to each other with master gear; Said master gear be meshing with each other from gear.
6. temperature controlled bacterium according to claim 5 is leached device to the mineral selectivity, it is characterized in that said vertical support frame (33) is enclosed within the lifting sleeve (36) of hollow; Said lifting sleeve (36) interfixes through governing screw and vertical support frame (33); Said lifting sleeve (36) is installed on the chassis of said main body reactor drum (1).
7. temperature controlled bacterium according to claim 5 is leached device to the mineral selectivity, it is characterized in that said horizontal stand (32) links to each other with the chimeric mode of machinery through governing screw with vertical support frame (33).
8. temperature controlled bacterium according to claim 5 is leached device to the mineral selectivity, it is characterized in that, said stirring rake (35) lower end is provided with at a distance of two two leaves of mixing for 30-60mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210199228.9A CN102703687B (en) | 2012-06-15 | 2012-06-15 | Temperature controllable device for selectively leaching minerals by bacteria |
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| CN201210199228.9A CN102703687B (en) | 2012-06-15 | 2012-06-15 | Temperature controllable device for selectively leaching minerals by bacteria |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103963067A (en) * | 2014-05-06 | 2014-08-06 | 东华大学 | Flexible gripper for gripping cone yarn and working method thereof |
| CN104232903A (en) * | 2014-09-15 | 2014-12-24 | 上海第二工业大学 | Equipment and method for recycling surface zero-valent copper in gantry hanging frame |
| WO2015091256A1 (en) * | 2013-12-16 | 2015-06-25 | Helmholtz-Zentrum Dresden - Rossendorf E. V. | Device and method for obtaining 2-and 3-valent metal ions from primary and secondary raw materials with the aid of microbial metabolites |
| CN106498160A (en) * | 2016-11-22 | 2017-03-15 | 中国地质科学院矿产综合利用研究所 | Novel leaching method in biological scandium leaching process |
| CN106591576A (en) * | 2017-02-19 | 2017-04-26 | 邱德平 | High-efficiency biological metallurgical equipment |
| CN107460349A (en) * | 2017-07-06 | 2017-12-12 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching laboratory simulation device and test method |
| CN110699549A (en) * | 2019-09-27 | 2020-01-17 | 荆门市格林美新材料有限公司 | Recovery unit of valuable metal in old and useless foam nickel |
| CN112611619A (en) * | 2020-11-26 | 2021-04-06 | 中国人民解放军63653部队 | Anti-adsorption multipurpose flow leaching equipment |
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| CN110699549A (en) * | 2019-09-27 | 2020-01-17 | 荆门市格林美新材料有限公司 | Recovery unit of valuable metal in old and useless foam nickel |
| CN110699549B (en) * | 2019-09-27 | 2021-06-15 | 荆门市格林美新材料有限公司 | Recovery unit of valuable metal in old and useless foam nickel |
| CN112611619A (en) * | 2020-11-26 | 2021-04-06 | 中国人民解放军63653部队 | Anti-adsorption multipurpose flow leaching equipment |
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| Publication number | Publication date |
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| CN102703687B (en) | 2014-02-26 |
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