CN107083481A - Hard aggregation acidleach machine - Google Patents
Hard aggregation acidleach machine Download PDFInfo
- Publication number
- CN107083481A CN107083481A CN201710459038.9A CN201710459038A CN107083481A CN 107083481 A CN107083481 A CN 107083481A CN 201710459038 A CN201710459038 A CN 201710459038A CN 107083481 A CN107083481 A CN 107083481A
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- China
- Prior art keywords
- sieve aperture
- hard aggregation
- acidleach
- ore
- equipment
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention is a kind of hard aggregation acidleach machine for being leached and being ground to fine ore.Used mill leaching equipment has mineral grain and hard aggregation phenomenon occurs, and leaching rate is low, lacks heat abstractor, without defects such as filtration systems.The present invention spares to ore deposit, effective equipment for preventing fine ore acidifying hard aggregation, leaching rate height, water-cooling, double-radiation function system, operation maintenance easy to be a kind of.It includes mine-feeding equipment, agitating device, mill bath, filter, water circulation system and peristaltic pump.Present invention can ensure that in leaching process, annular spares to ore deposit, fine ore is not in hard aggregation phenomenon, and fine ore utilization rate is improved, continuously can uninterruptedly it react, the flow velocity of intelligent control acid, double filtering system, water-cooling pattern radiates, and maintenance of equipment is convenient, and service life is long.
Description
Technical field
The present invention relates to a kind of equipment for being leached and being ground to fine ore, especially for preventing from going out in fine ore acidization
The equipment of existing hard aggregation phenomenon, it can be applied in fields such as mining industry, material, metallurgy.
Background technology
The carbonate minerals such as magnesite, dolomite, especially magnesite, are the superior resources of China, and its reserves accounts for full generation
The 1/4 of boundary's magnesite resource reserves, accounts for No. 1 in the world.But with the continuous exhaustion of high-quality resource so that such carbonate mine
The high value added utilization of thing, it is necessary to pass through removal of impurities, and traditional physics removal of impurities, far from meeting need of the high added value to product
Ask, therefore the acidifying removal of impurities after magnesite calcining, increasingly paid close attention to by scientific research personnel.Traditional ore grinding leaching equipment be by
Fine ore is added gradually to stir in solution, and question response is filtered afterwards completely, solves first ore grinding, then leached in the past, has
A little target minreals are overground, cause unnecessary energy loss.This process equipment shortens the time of ore grinding-leaching, by
The target minreal being exposed through out is leached into solution in time.But for carbonate mineral, the generation oxygen after such as magnesite calcining
Change magnesium, it is higher it is generally desirable to MgO activity in order to improve acidifying leaching rate, but activated magnesia is met after acid, can be rapid
Generation aggregation hardening, prevents internal oxidation magnesium from continuing and acid reaction, the similar carbonate calcination product such as simultaneous oxidation magnesium and acid
Substantial amounts of heat is released in reaction, thus traditional grinding machine and immersing-by-grinding machine can not meet and such be prone to hard aggregation and put at all
The acidifying Leach reaction of heat is carried out.
For this kind of mineral grain when Leach reaction occurs, there is hard aggregation phenomenon and discharged in the moment contacted with solution
Substantial amounts of heat, and the mineral of hard aggregation are difficult to be grated, and significantly reduce leaching efficiency.The whole reaction process time is long, work
Make efficiency low, serious waste of resources, safety coefficient is poor.Existing tower grinding machine or tower grinding-leaching mill, because fine ore can not be spared to
Enter, it is impossible to solve the problem of hard aggregation will occur for mineral and solution Contact, and lack heat abstractor, cause security
Difference.Lack filtering link in leaching process simultaneously, it is impossible to reclaim the micro-solid mineral grain in leachate, and flow rate of liquid
Uneven, reaction solution fluctuation of concentration is larger.Because the variety of problems that these equipment and technologies are present, its application is set to receive limit
System.
The content of the invention
The present invention soaks the defect that equipment and technique are present aiming at above-mentioned mill, is fed using fine ore and first carries out incipient wetness
Scattered, the method that annular spares to ore deposit afterwards greatly avoids particle hard aggregation phenomenon；Heat in course of reaction is by water circulation
System dissipates, it is contemplated that abrasion of the mineral grain to heat sink, sets inclined turbulence plate at abrasion-proof backing block correspondence hole, subtracts
While few particle enters internal, change ore pulp flow direction, weaken the abrasion to heat sink；Reacting complete leachate may
Containing a small amount of subparticle, therefore use double filtering system, it is ensured that leachate is free of mineral grain.
The present invention is adopted the following technical scheme that.
A kind of hard aggregation acidleach machine, including mine-feeding equipment, agitating device, mill bath, filter, water circulation system and compacted
Dynamic pump.
Described mine-feeding equipment is made up of disk feeder, scattered water pipe, dispersing chamber, sieve aperture base and vertical baffle, powder
Ore deposit is fed through disk feeder, the incipient wetness in dispersing chamber, and stirs into the ore pulp of even concentration, will be divided by sieve aperture base
The ore pulp dissipated is uniformly fed in mill bath, can effectively reduce fine ore and acid reaction moment, the hard group united occurs in particle
Poly- phenomenon.Vertical baffle can prevent ore pulp shunt occlusion circular screen during to ore deposit.
Described agitating device is made up of flabellum stirring rod, spiral mixing rod, sieve aperture disk and braking motor, flabellum stirring rod
With sieve aperture disk cast solid, rotated simultaneously under braking motor effect.Flabellum stirring rod passes through sieve aperture base, with spiral mixing rod
It is connected, sieve aperture base is fixed as one with dispersing chamber, and sieve aperture disk diameter is slightly less than sieve aperture base, both sieve aperture positions, size
Completely the same with being distributed, the spiral mixing rod rotation in mill bath drives Ceramic Balls to do vertical and horizontal motion, realizes fine ore
Course of reaction is ground in leaching, the hard aggregation phenomenon of particle is eliminated.
Described mill bath is made up of upper coarse and lower fine truncated cone-shaped cylinder, the abrasion-proof backing block with hole and turbulence plate, circle
Platform shape cylinder bottom concentration height is conducive to ore grinding, and top area is big, and powder granule concentration is small to be conducive to entering.Abrasion-proof backing block is half
There is hole, prevent bulky grain from entering nexine in spherical chain connection, centre, wear and tear heat sink.The ore pulp being stirred perpendicular through
Hole, flow direction is changed by turbulence plate, reduces the abrasion to heat sink.Ceramic Balls are combined with hemispherical liner plate, Neng Gouqiang
The a small amount of hard aggregation particle that will appear from of power is ground, and is reacted again with acid.Cylinder body bottom is provided with access hole, convenient periodically inspection
Repair, discharge nonreactive impurity particle.
Described filter by circular screen, inclined isopipe, overflow pipe, storage compartment, vacuum filter, product chambers and
Slag groove is constituted, and circular screen is located at the position of overfall, and coarse filtration removes bulky grain mineral, and compass screen surface angle is tilted, it is to avoid blocked
Sieve aperture.Inclined isopipe accelerates leachate and flows into storage compartment, and two vacuum filter alternations filter out subparticle.Bottom
Compass screen surface can be opened, and filter residue is discharged in slag groove.
Described water circulation system takes away the big calorimetric that reaction is released, and reduces equipment loss, while increasing safety coefficient.
Described peristaltic pump can control the environment for feeding speed, building fine ore excess of acid solution, beneficial to impurity
Remove.Inflow entrance is located at below turbulence plate, and the grain dissolution that long-term work causes abrasion-proof backing block pore plugging is leached.
Using above-mentioned technical proposal the present invention compared with prior art, disk feeder spares to ore deposit, and fine ore is scattered
Indoor incipient wetness stirring, by double-deck sieve aperture, uniformly feeds in mill bath, reduces fine ore and hard group occurs with sour Contact
Poly- phenomenon.Grind in bath, stirring rod drives Ceramic Balls motion, a small amount of hard aggregation particle occurred in elimination reaction filtering makes to have
Leached completely with mineral.The heat discharged in course of reaction is discharged by water circulation system, it is ensured that the security of operation.Annular
The angle design of screen cloth and inclined isopipe, accelerates flow velocity, it is to avoid particle is blocked.Vacuum filter constitutes dual with circular screen
Filtration system, it is ensured that without mineral grain in leachate, leaching rate is high, and easy to maintenance, service life is long.
Brief description of the drawings.
Fig. 1 is the structural representation front view of hard aggregation acidleach machine.
Fig. 2 is hard aggregation acidleach machine A-A faces figure.
Fig. 3 is hard aggregation acidleach machine B-B faces sectional view.
Embodiment.
Below in conjunction with the accompanying drawings and embodiment be described in detail the present invention.
A kind of hard aggregation acidleach machine, including mine-feeding equipment 4, agitating device 22, mill bath 23, filter 25, water circulation
System 12 and peristaltic pump 24.
Described mine-feeding equipment 4 is by disk feeder 1, scattered water pipe 3, dispersing chamber 21, sieve aperture base 6 and vertical baffle 9
Constitute, dispersing chamber 21 is an entirety with sieve aperture base 6, and disk feeder 1 and scattered water pipe 2 are put in the both sides of dispersing chamber 21
Put.
Described agitating device 22 is made up of flabellum stirring rod 28, spiral mixing rod 13, sieve aperture disk 5 and braking motor 3, system
Dynamic motor 3 is located at the top of dispersing chamber 21, and flabellum stirring rod 28 is located in dispersing chamber 21, and spiral mixing rod 13 is located at mill bath 23
Interior, sieve aperture disk 5 is located above sieve aperture base 6, is welded in flabellum stirring rod 28, under the drive of braking motor 3, is stirred with flabellum
Rod 28 rotates simultaneously.
Abrasion-proof backing block 10 and turbulence plate 11 of the described mill bath 23 by upper coarse and lower fine truncated cone-shaped cylinder 26, with hole
Constitute, abrasion-proof backing block 10 increases ore grinding roughness, turbulence plate 11 is in abrasion-proof backing block 10 and water in the innermost layer of truncated cone-shaped cylinder 26
Between the circulatory system 12, change ore pulp flow direction, reduce the abrasion of heat sink 27.The inside of truncated cone-shaped cylinder 26 is equipped with wear-resisting resistance to
The ceramic spheres 14 of corrosion, bottom is provided with access hole 15.
Described filter 25 is by circular screen 7, inclined isopipe 8, overflow pipe 16, storage compartment 17, vacuum filter
18th, product chambers 19 and slag groove 20 are constituted, and circular screen 7 and inclined isopipe 8 are located at the top of mill bath 23, pass through overflow pipe 16
It is connected with storage compartment 17, the top of vacuum filter 18 is connected with storage compartment 17, bottom is ined succession product chambers 19, slag groove 20 is placed on very
The lower section of empty filter 18.
Described peristaltic pump 24 is located at the bottom of truncated cone-shaped cylinder 26, and control acid solution feeds speed.
Scattered water pipe 23 starts water filling, and fine ore is fed in dispersing chamber 21 by disk feeder 1, opens braking motor 3, flabellum
Stirring rod 28 and spiral mixing rod 13 start simultaneously, the control flow addition acid of peristaltic pump 24.Fine ore in dispersing chamber 21 tentatively moistens
It is wet, in the presence of flabellum stirring rod 28 be well mixed, ore pulp when sieve aperture disk 5 is overlapped with the sieve aperture of sieve aperture base 6 to
Enter into mill bath 23, react, be so interrupted to ore deposit with acid, the flow rate of pulp in dispersing chamber 21 can be controlled, vertical gear
Plate 9 prevents from feeding the ore pulp shunting of mill bath 23, and annular gives ore deposit position to ore control, can effectively reduce mineral and acid reaction wink
Between there is particle hard aggregation phenomenon.
Ore pulp in mill bath 23 with acid constantly reaction, the reunion little particle occurred in course of reaction, by auger
Rod 13 drives ceramic spheres 14 to move and gradually grind in length and breadth, continues and acid reaction.Course of reaction discharges substantial amounts of heat, passes through water
The circulatory system 12 is discharged, and avoids bulky grain from entering inside using hole formula using abrasion-proof backing block 10, and wear and tear heat sink 10, and ore pulp hangs down
Directly flowed into abrasion-proof backing block 10, through the barrier effect of turbulence plate 11, change flow direction hence into water circulation system 12, reduction dissipates
The abrasion of hot plate 27.
Complete leachate is reacted by being passed through after the coarse filtration of circular screen 7 by inclined isopipe 8 and overflow pipe 16, into storing
In room 17, then feed vacuum filter 18 and carry out fine filtering, final filtrate is flowed into product chambers 19, remains in vacuum filter 18
Slag on the compass screen surface of bottom, is discharged in slag groove 20, two alternately operatings of vacuum filter 18, it is ensured that leaching process is uninterrupted.
Cylinder body bottom access hole 15 safeguards that whole course of reaction is carried out continuously, and equipment uses one for equipment periodic inspection
After fixing time, the slag that can not be reacted is had in mill bath 23, can shut down from the disposing of access hole 15 and come out, thus it is actual continuous raw
Producing line operation needs 2 equipment to carry out alternation.
Claims (6)
1. a kind of hard aggregation acidleach machine, including mine-feeding equipment, agitating device, mill bath, filter, water circulation system and wriggling
Pump, it is characterised in that：Described mine-feeding equipment is by disk feeder, scattered water pipe, dispersing chamber, sieve aperture base and vertical baffle structure
Into；Described agitating device is made up of flabellum stirring rod, spiral mixing rod, sieve aperture disk and braking motor, and braking motor drives two
Plant stirring rod and sieve aperture disk rotates simultaneously, realize that dispersing chamber and mill bath work simultaneously；Described mill bath is by upper coarse and lower fine
Truncated cone-shaped cylinder, the abrasion-proof backing block with hole and turbulence plate are constituted, and inner barrel is equipped with the ceramic spheres of wear resistant corrosion resistant, cylinder
Body bottom is provided with access hole；Described filter is by circular screen, inclined isopipe, overflow pipe, storage compartment, vacuum filter
Machine, product chambers and slag groove are constituted.
2. hard aggregation acidleach machine according to claim 1, it is characterised in that：Sieve aperture disk and sieve aperture base upper-lower position are close
Contact, the screen size and distribution density of sieve aperture disk is identical with sieve aperture base.
3. hard aggregation acidleach machine according to claim 1, it is characterised in that：Flabellum stirring rod is cast as one with sieve aperture disk,
Through sieve aperture base, it is connected, rotates coaxially with spiral mixing rod, it is motionless that sieve aperture base is fixed on dispersing chamber bottom, braking motor
Two kinds of stirring rod and sieve aperture disk is driven to rotate simultaneously.
4. hard aggregation acidleach machine according to claim 1, it is characterised in that：Grind abrasion-proof backing block in bath and use hemispherical chain
Formula is linked, and there is correspondence inside hole, abrasion-proof backing block in the middle of adjacent two rows hemisphere, often emptying gap has a turbulence plate, and turbulence plate changes
Become ore pulp flow direction.
5. hard aggregation acidleach machine according to claim 1, it is characterised in that：Circular screen slopes inwardly, and vertical baffle is solid
It is scheduled on inside circular screen.
6. hard aggregation acidleach machine according to claim 1, it is characterised in that：Peristaltic pump inflow entrance is located at below turbulence plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459038.9A CN107083481B (en) | 2017-06-16 | 2017-06-16 | Hard agglomeration pickling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459038.9A CN107083481B (en) | 2017-06-16 | 2017-06-16 | Hard agglomeration pickling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107083481A true CN107083481A (en) | 2017-08-22 |
| CN107083481B CN107083481B (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459038.9A Active CN107083481B (en) | 2017-06-16 | 2017-06-16 | Hard agglomeration pickling machine |
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| CN (1) | CN107083481B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191483A1 (en) * | 1984-05-24 | 1985-11-15 | Среднеазиатский Научно-Исследовательский И Проектный Институт Цветной Металлургии | Aerator of continuous leaching device |
| JPH0365155A (en) * | 1989-08-03 | 1991-03-20 | Kajiwara Kogyo Kk | Automatic method for producing bean jam and apparatus therefor |
| US5128068A (en) * | 1990-05-25 | 1992-07-07 | Westinghouse Electric Corp. | Method and apparatus for cleaning contaminated particulate material |
| CN1071465A (en) * | 1991-10-11 | 1993-04-28 | 中国科学院金属研究所 | Soaking while grinding and its equipment-liquid film extraction gold-extraction process |
| CN101161347A (en) * | 2006-10-13 | 2008-04-16 | 南京理工大学 | Bidirectional tosh grinding ultra-fine crashing objects and its method |
| CN201094921Y (en) * | 2007-09-07 | 2008-08-06 | 深圳市贝特瑞新能源材料股份有限公司 | Device for preparing battery nano material precursor particle |
| CN101757981A (en) * | 2009-09-14 | 2010-06-30 | 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 |
| CN202037035U (en) * | 2011-03-09 | 2011-11-16 | 宁波市联成机械有限责任公司 | Extra-fine grinding wet grinder |
| CN103193505A (en) * | 2013-03-26 | 2013-07-10 | 太原理工大学 | Preparation method of photonic crystal concave thin-film in titanium dioxide/silver core-shell structure |
| WO2014093584A1 (en) * | 2012-12-12 | 2014-06-19 | Flsmidth A/S | Systems and processes for the enhanced leaching of ores through particle size segregation |
| CN206082697U (en) * | 2016-09-14 | 2017-04-12 | 中国地质科学院矿产综合利用研究所 | Horizontal stirring mill suitable for mining production |
| CN206814825U (en) * | 2017-06-16 | 2017-12-29 | 华北理工大学 | Hard aggregation acidleach machine |
-
2017
- 2017-06-16 CN CN201710459038.9A patent/CN107083481B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191483A1 (en) * | 1984-05-24 | 1985-11-15 | Среднеазиатский Научно-Исследовательский И Проектный Институт Цветной Металлургии | Aerator of continuous leaching device |
| JPH0365155A (en) * | 1989-08-03 | 1991-03-20 | Kajiwara Kogyo Kk | Automatic method for producing bean jam and apparatus therefor |
| US5128068A (en) * | 1990-05-25 | 1992-07-07 | Westinghouse Electric Corp. | Method and apparatus for cleaning contaminated particulate material |
| CN1071465A (en) * | 1991-10-11 | 1993-04-28 | 中国科学院金属研究所 | Soaking while grinding and its equipment-liquid film extraction gold-extraction process |
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| CN201094921Y (en) * | 2007-09-07 | 2008-08-06 | 深圳市贝特瑞新能源材料股份有限公司 | Device for preparing battery nano material precursor particle |
| CN101757981A (en) * | 2009-09-14 | 2010-06-30 | 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 |
| CN202037035U (en) * | 2011-03-09 | 2011-11-16 | 宁波市联成机械有限责任公司 | Extra-fine grinding wet grinder |
| WO2014093584A1 (en) * | 2012-12-12 | 2014-06-19 | Flsmidth A/S | Systems and processes for the enhanced leaching of ores through particle size segregation |
| CN103193505A (en) * | 2013-03-26 | 2013-07-10 | 太原理工大学 | Preparation method of photonic crystal concave thin-film in titanium dioxide/silver core-shell structure |
| CN206082697U (en) * | 2016-09-14 | 2017-04-12 | 中国地质科学院矿产综合利用研究所 | Horizontal stirring mill suitable for mining production |
| CN206814825U (en) * | 2017-06-16 | 2017-12-29 | 华北理工大学 | Hard aggregation acidleach machine |
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| CN107083481B (en) | 2023-05-12 |
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