CN103495500B - From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks - Google Patents
From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks Download PDFInfo
- Publication number
- CN103495500B CN103495500B CN201310475357.0A CN201310475357A CN103495500B CN 103495500 B CN103495500 B CN 103495500B CN 201310475357 A CN201310475357 A CN 201310475357A CN 103495500 B CN103495500 B CN 103495500B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- concentrate
- mine tailing
- sorting
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method from selecting low energy consumption separating ilmenite the mine tailing of ironworks, comprise the following steps: to select ironworks mine tailing for raw material, magnetic separator in permanent-magnet chamber type is first adopted to carry out sorting to this mine tailing, non-magnetic material directly discharges as magnetic tailing, enter next step as magnetic concentrate in magnetic material and carry out ore grinding, make wherein ilmenite effectively realize monomer dissociation, mog controls as-75 μm account for 75% ~ 95%; Utilize weak magnetic separator centering magnetic concentrate to carry out low intensity magnetic separation, sub-elect iron ore concentrate wherein, residue mineral aggregate enters next step; First roughly select residue mineral aggregate, the concentrate after roughly selecting carries out repeatedly selected acquisition ilmenite concentrate; Mine tailing after roughly selecting is scanned, the useful mineral aggregate after scanning remerge repeatedly selected after tail residues be back to and roughly select step, the tail residues after scanning is discharged as final titanium mine tailing.Processing step of the present invention is simple, and magnetic Circuit Design is reasonable, and Distribution of Magnetic Field is even, and metal recovery rate is high, and sorting quality is good.
Description
Technical field
The present invention relates to a kind of method for separating of ilmenite, particularly relating to a kind of method from selecting separating ilmenite the mine tailing of ironworks.
Background technology
The ilmenite resource of China is titanomagnetite, ilmenite symbiosis mostly, and traditional vanadium titano-magnetite technique mostly is first selects iron, and titanomagnetite enters iron ore concentrate, then selects titanium, and ilmenite enters ilmenite concentrate.Panxi Diqu vanadium titano-magnetite, through tackling key problem for many years, has had comparatively ripe comprehensive reutilization ability, but also has the ilmenite selected containing 9% ~ 12% in the mine tailing of ironworks of some areas, is directly discarded in Tailings Dam, result in a large amount of wastes of ilmenite resource.
Panxi Diqu is for the recovery of Fine Fraction Ilmenite, many employings high gradient strong magnetic machine is reclaimed by one section or two sections of fine-graded ilmenites of strengthening, improve flotation to the ilmenite grade in ore deposit simultaneously, make flotation be 18% ~ 20% to the ilmenite grade in ore deposit, realize final ilmenite concentrate grade close to or be greater than 47%.
The commercial application of high gradient strong magnetic machine creates great and far-reaching influence for raising China weak magnetic mineral comprehensive recovery, improve the background lectromagnetism field of high gradient strong magnetic machine and optimize the key areas that its magnetic field gradient profile is the developmental research of high gradient strong magnetic machine, but it utilizes electric current to produce high-intensity magnetic field, there is certain energy ezpenditure, and its complex structure to result in its equipment cost higher.Along with the high speed development of permanent magnetism rare earth material, current high performance permanent magnetism rare earth material can production background field intensity be also the medium-high magnetic field of 6000 ~ 13000 Gausses, and this is that the commercial application of strong machine in development of new permanent-magnet chamber type (or claiming magnetic separator in permanent-magnet chamber type) provides good background lectromagnetism field basis.In existing permanent-magnet chamber type, its structure of magnetic separator is simple, and utilize permanent magnet production background field intensity, processed in units amount energy consumption is lower, and its equipment cost and operating cost are far below the strong magnetic machine of high gradient, but it has a suitable interval to the domain size distribution of selected material.Magnetic separator in tradition permanent-magnet chamber type, because give the relative simplicity of ore deposit mode, effectively can not disperse in selected material sorting groove, result in its rate of recovery relatively low; Simultaneously again because magnetic linkage or higher background lectromagnetism field cause magnetic to be mingled with, make the quality of magnetic concentrate product on the low side, make the commercial application of magnetic separator in permanent-magnet chamber type receive certain restriction.
In addition, for selecting for the mine tailing of ironworks, its mineral aggregate of-74 μm only accounts for about 14%, grain class distribution is relatively thick, in mine tailing, grade of titanium dioxide is about 11%, how for selecting ironworks mine tailing to provide a kind of low energy consumption and method for separating efficiently, it is the technical problem that those skilled in the art endeavour to solve always.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides that a kind of processing step is simple, magnetic separation is effective, metal recovery rate is high, sorting quality is good from the method selecting low energy consumption separating ilmenite the mine tailing of ironworks.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is a kind of method from selecting low energy consumption separating ilmenite the mine tailing of ironworks, comprises the following steps:
(1) permanent-magnet chamber type high intensity magnetic separation: to select ironworks mine tailing for raw material, first adopt magnetic separator in permanent-magnet chamber type to carry out sorting to this raw material, non-magnetic material directly as magnetic tailing discharge, enters next step as magnetic concentrate in magnetic material;
(2) ore grinding: carry out ore grinding to the middle magnetic concentrate that step (1) obtains afterwards, makes wherein ilmenite effectively realize monomer dissociation, and mog controls as-75 μm account for 75% ~ 95%(preferably 75% ~ 80%);
(3) low intensity magnetic separation: utilize weak magnetic separator to carry out low intensity magnetic separation to the middle magnetic concentrate that step (2) obtains afterwards, sub-elect iron ore concentrate wherein, residue mineral aggregate enters next step;
(4) flotation operation: the residue mineral aggregate after step (3) is first roughly selected, the concentrate after roughly selecting carries out repeatedly selected acquisition ilmenite concentrate; Mine tailing after roughly selecting is scanned, the useful mineral aggregate after scanning remerge repeatedly selected after tail residues be back to and roughly select step, the tail residues after scanning is discharged as final titanium mine tailing.
In above-mentioned method, preferably, the described repeatedly selected selected operation comprising at least four times; The useful mineral aggregate of primary cleaning operation enters recleaning, and the tail residues of primary cleaning is back to primary dcreening operation; The useful mineral aggregate of recleaning operation enters triple cleaning, and the tail residues of recleaning is back to primary cleaning operation; By that analogy.
In above-mentioned method, preferably, select sulfuric acid as pH adjusting agent in described rougher process, select waterglass as inhibitor, pH adjusts between 5.0 ~ 5.6; Repeatedly in refining process, each sulfuric acid that uses is as pH adjusting agent, and pH adjusts between 4.5 ~ 5.5.
In above-mentioned method, preferably, in described permanent-magnet chamber type, the background lectromagnetism field of magnetic separator is 6000 ~ 12000 Gausses.
In above-mentioned method, preferably, in described permanent-magnet chamber type, magnetic separator comprises feed hopper, permanent magnetic system, cylinder and sorting groove, described permanent magnetic system is installed in cylinder, and sorting groove is located at below cylinder, and the middle part of described sorting groove bottom surface is provided with mine tailing discharge gate, sorting groove side is provided with concentrate bucket, be provided with feed hopper above sorting groove opposite side, be laid with many break up water water pipe near the sorting groove bottom surface of feed hopper, the mouth of pipe breaking up water water pipe is towards the surface of cylinder being positioned at top; Be provided with flushing water water pipe above described concentrate bucket, the mouth of pipe of flushing water water pipe is towards the surface of cylinder being positioned at its side.
In above-mentioned method, preferably, form the sorting runner of a semicircular arc between described sorting groove bottom surface and cylinder, in described sorting runner, the flow direction of material and turning to of described cylinder are consistent.Preferred, described sorting runner is with mine tailing discharge gate for boundary line delimitation is for roughly selecting district and selected district, and the selected district of magnetic pole density ratio of roughly selecting district is higher.
In above-mentioned method, preferably, described feed hopper is oscillatory type feed hopper, and described oscillatory type feed hopper comprises feeder trough, vibrating motor and suspension screw rod, and described feeder trough carries out installation location by hanging screw rod, and vibrating motor is installed in feeder trough side.
In above-mentioned method, preferably, the cloth surface of described feeder trough tilts, and itself and horizontal plane form the inclination angle of 10 ° ~ 15 °, and such feed is more smooth and easy.Four are hung screw rod and use belt connection frame respectively, and the inclination angle of cloth surface can also be regulated by regulating four of suspended vibration bucket to hang screw rod according to actual conditions.Described vibrating motor has the eccentric rotor structure be rotated counterclockwise, and so both can produce the component of left and right directions, and material is fully disperseed, and can produce again the vibration component of fore-and-aft direction, makes material generation power forward, makes feed will be more smooth and easy.
In above-mentioned method, preferably, separated by a mine-separating board between described concentrate bucket and sorting groove, described mine-separating board extends upwardly to the surface near cylinder from sorting groove bottom surface, and the mouth of pipe of described flushing water water pipe aims at the intersection region of mine-separating board place plane and cylinder surface.
In above-mentioned method, preferably, described sorting runner is with mine tailing discharge gate for boundary line delimitation is for roughly selecting district and selected district, and the selected district of magnetic pole density ratio of roughly selecting district is higher; Described many are broken up water water pipe for being arranged parallel to each other, and many are broken up water water pipe and are distributed in roughly selecting in district between mine tailing discharge gate and feed hopper.
The above-mentioned preferred technical scheme of the present invention is mainly to the improvement of magnetic separator in traditional permanent-magnet chamber type, it relates generally to the effective dispersion to the optimization process of ore deposit end and strengthening ore pulp, show as especially and ore pulp dispersing water flow device is set in sorting groove middle and lower part, preferred scheme be in permanent-magnet chamber type magnetic separator to ore deposit end, vibratory feed unit is set, make both organically combine.
Compared with prior art, the invention has the advantages that:
(1) in the present invention by press water dispersal device (namely breaking up water water pipe) newly-increased bottom the sorting groove of magnetic separator in permanent-magnet chamber type, base pressure water can disperse magnetic coagulation effectively, thus reduces non-magnetic material and cause being mingled with because of magnetic coagulation or flux linkage effects; The selected material that base pressure water can also make to enter sorting groove keeps dispersity, thus is conducive to magnetic material and is adsorbed by background magnetic field, discharges, increase the productive rate of magnetic concentrate from concentrate end; Therefore, both can have been made the Quality advance of concentrate by press water dispersal device newly-increased bottom sorting cell body, contribute to again the increase of concentrate yield.
(2) in the permanent-magnet chamber type used in the present invention, magnetic separator can be divided into selected district and roughly select district, is all to adopt high-performance Ne-Fe-B material, but it is higher to roughly select district's magnetic pole density, improves magnetic field gradient, thus ore particle is more easily sticked on coplanar; The sorting groove inwall roughly selecting district is also set up and above-mentioned breaks up water water pipe, it deposits mainly for preventing ore particle, makes it fully contact with cylinder face, plays to break up ore particle and reduce the effect of carrying secretly.
(3) vibratory feed unit is increased also by magnetic separator in permanent-magnet chamber type of the present invention in preferred scheme newly to ore deposit end, replace traditional box feed-type, vibratory feed unit both can ensure that selected material was to the uniformity in ore deposit, can ensure that again selected material is fully disperseing to ore deposit end, prevent heavy mineral from depositing, and then when making the magnetic material in selected material enter sorting groove, can effectively be adsorbed by background lectromagnetism field, and discharge from concentrate end, improve to ore deposit efficiency with to ore deposit uniformity.
Generally speaking, technological process of the present invention is simple, reasonable, the permanent magnetic circuit advanced design of magnetic separator in permanent-magnet chamber type, and Distribution of Magnetic Field is even; The wet type pre-selecting being directed to mine tailing throws the technological requirement of tail, and sorting mode of the present invention both ensure that the discharge of qualified tailings, also improve metal recovery rate as much as possible, improved the quality of ore dressing further.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of magnetic separator in permanent-magnet chamber type in the embodiment of the present invention.
Fig. 2 is the sorting groove top view of magnetic separator in permanent-magnet chamber type in the embodiment of the present invention.
Fig. 3 is the top view (eliminating feeder trough) of the vibratory feed unit of magnetic separator in permanent-magnet chamber type in the embodiment of the present invention.
Fig. 4 is the main sectional view of the vibratory feed unit of magnetic separator in permanent-magnet chamber type in the embodiment of the present invention.
Fig. 5 be the embodiment of the present invention from the process chart of method selecting low energy consumption separating ilmenite the mine tailing of ironworks.
Marginal data:
1, flushing water water pipe; 2, concentrate bucket; 3, mine tailing discharge gate; 4, vibratory feed unit; 41, feeder trough; 42, vibrating motor; 43, screw rod is hung; 5, permanent magnetic system; 6, cylinder; 7, sorting groove; 8, sorting runner; 9, mine-separating board; 10, water water pipe is broken up; 11, downflow weir.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
Embodiment:
A method from selecting low energy consumption separating ilmenite the mine tailing of ironworks of the present invention as shown in Figure 5, it selects ironworks mine tailing mainly for somewhere, comprises the following steps:
(1) permanent-magnet chamber type high intensity magnetic separation:
To select ironworks mine tailing for raw material, first adopt as shown in FIG. 1 to 3 in permanent-magnet chamber type magnetic separator sorting (magnetic field intensity is 8000GS) is carried out to this raw material, non-magnetic material directly as magnetic tailing discharge, enters next step as magnetic concentrate in magnetic material; The inventory that " as secondary resource select ironworks mine tailing " need again ore grinding is greatly reduced by magnetic separator tailings discarding by preconcentration process in permanent-magnet chamber type of the present invention, reduce production cost and energy consumption, have again, utilize magnetic separator in permanent-magnet chamber type of the present invention to replace High gradient high intensity magnetic separator sorting, also reduce purchase cost and the operating cost of equipment very significantly.
(2) ore grinding:
Through our experimental analysis, owing to selecting the grain class distribution of ironworks mine tailing thicker, monomer dissociation is not had containing partial-titanium magnetic iron ore and ilmenite, therefore the middle magnetic concentrate to step (1) obtains afterwards is needed to carry out ore grinding, make wherein ilmenite effectively realize monomer dissociation, mog controls as-75 μm account for 75%;
(3) low intensity magnetic separation:
Through our experimental analysis, also containing some weak magnetic mineral in the middle magnetic concentrate product of step (2), this part mineral will affect the titanium grade of final concentrate, the extraction of this part iron mineral is if obtain the benefit that qualified iron ore concentrate also can improve enterprise simultaneously, therefore before entering flotation, we utilize weak magnetic separator to carry out low intensity magnetic separation to the middle magnetic concentrate that step (2) obtains afterwards, sub-elect the iron ore concentrate that wherein productive rate is lower, residue mineral aggregate enters next step; This had both improve the rate of recovery of iron, was conducive to again improving titaniferous material head grade in follow-up flotation operation.In the present invention, the result of the test of low intensity magnetic separation is as shown in table 1 below.
Table 1: low intensity magnetic separation result of the test
As shown in Table 1, middle magnetic concentrate, through one section of low intensity magnetic separation, obtains that productive rate is 11.54%, the iron ore concentrate of Iron grade 42.13%, the rate of recovery 26.82%.
(4) flotation operation: at the flotation operation of the present embodiment, the particulate titanium flotation process that we adopt " thick+four essences+sweep ", first roughly select the residue mineral aggregate of step (3) titaniferous about 14.5% (the present embodiment is 14.26%) afterwards, the concentrate after roughly selecting carries out repeatedly selected acquisition ilmenite concentrate; Mine tailing after roughly selecting is scanned, the useful mineral aggregate after scanning remerge repeatedly selected after tail residues be back to and roughly select step, the tail residues after scanning is discharged as final titanium mine tailing.Consider every influence factor such as composition and pH value of flotation water, first sulfuric acid is adopted to adjust between 5.0 ~ 5.6 as pH adjusting agent, flotation pH in the present embodiment, adopt waterglass as inhibitor, multicomponent chelate collecting agent etc. is adopted to carry out titanium flotation, in refining process, each sulfuric acid that uses is as pH adjusting agent, between adjustment pH to 4.5 ~ 5.5 (flotation process specifically can see flotation operation part in Fig. 4).The final flotation operation result of the present embodiment is as shown in table 2 below.
Table 2: the closed circuit flow test result of flotation
The present embodiment finally can obtain by flotation that ilmenite concentrate grade is about 45.05%, operation recovery is 61.12%, is the more satisfactory technical-economic index of 41% to raw ore (the selecting ironworks mine tailing) rate of recovery.
Magnetic separator in permanent-magnet chamber type in the present invention shown in Fig. 1 ~ Fig. 4, involving vibrations feed hopper 4, permanent magnetic system 5, cylinder 6 and sorting groove 7, permanent magnetic system 5 is installed in cylinder 6, sorting groove 7 is located at below cylinder 6, the middle part of sorting groove 7 bottom surface is provided with mine tailing discharge gate 3, sorting groove 7 side is provided with concentrate bucket 2, vibratory feed unit 4 is provided with above sorting groove 7 opposite side, be laid with many near sorting groove 7 bottom surface of vibratory feed unit 4 and break up water water pipe 10, the mouth of pipe breaking up water water pipe 10 is towards the surface of cylinder 6 being positioned at top; Be provided with flushing water water pipe 1 above concentrate bucket 2, the mouth of pipe of flushing water water pipe 1 is towards the surface of cylinder 6 being positioned at its side.Break up water water pipe 10 for outside water inlet, its Main Function breaks up mineral, prevents conglomeration, thus minimizing is carried secretly; Heavy mineral premature precipitation can be prevented simultaneously, by the percussion of current, make most mineral be in suspended state, make it fully contact with the field regions of cylinder 6, to improve the rate of recovery of concentrate.1, flushing water water pipe contributes to the mineral aggregate after to magnetic separation and further sieves, and ensures taste and the quality of selected mineral aggregate.Separated by a mine-separating board 9 between concentrate bucket 2 and sorting groove 7, mine-separating board 9 extends upwardly to the surface near cylinder 6 from sorting groove 7 bottom surface, and the mouth of pipe of flushing water water pipe 1 aims at the intersection region on mine-separating board 9 place plane and cylinder 6 surface.Many are broken up water water pipe 10 for being arranged parallel to each other, and many are broken up bottom the sorting groove 7 that water water pipe 10 is distributed between mine tailing discharge gate 3 and vibratory feed unit 4.Sorting groove 7 also arranges downflow weir 11.
Wherein, form the sorting runner 8 of a semicircular arc between sorting groove 7 bottom surface and cylinder 6, in sorting runner 8, the flow direction of material and turning to of cylinder 6 are consistent.As shown in fig. 1, the flow direction of material and turning to of cylinder 6 are clockwise.Sorting runner is with mine tailing discharge gate 3 for boundary line delimitation is for roughly selecting district and selected district, and the selected district of magnetic pole density ratio of roughly selecting district is higher.
In the present embodiment, vibratory feed unit 4 comprises feeder trough 41, vibrating motor 42(has the eccentric rotor structure be rotated counterclockwise) and hang screw rod 43, feeder trough 41 carries out installations locate by hanging screw rod 43, and vibrating motor 42 is installed in feeder trough 41 side.The cloth surface of feeder trough 41 tilts, and itself and horizontal plane form the inclination angle of 10 ° ~ 15 °, and the angle of inclination of cloth surface regulates by hanging screw rod 43.
In the permanent-magnet chamber type of above-mentioned the present embodiment, the operation principle of magnetic separator is: sorting material is through removing slightly every slag, vibratory feed unit 4 squeezed into by ore pulp sand pump, enter after vibratory feed unit 4 vibration dispersion in sorting groove 7, after ore pulp enters sorting groove 7, the flow action that ore particle breaks up water water pipe 10 by bottom is dispersity, after entering field regions (roughly selecting magnetic field, district), magnetic ore particle is subject to the effect of permanent magnetic system 5 magnetic field force and is adsorbed on cylinder 6 surface, rotate along clockwise direction with cylinder 6, after entering selected district, magnetic field can be in a slight decrease, under the effect of current, reduce magnetic further carry secretly simultaneously, improve concentrate grade, and ore particle constantly rolls under the magnetic pole effect of conversion in the process, in the process, the non-magnetic particle (such as gangue particle) be mingled with wherein will be cleaned out further, in material, magnetic part is close to the rotation of cylinder 6 surface to concentrate bucket 2, concentrate again by spraying in flushing water water pipe 1 unloads mineral water and is swept away and discharge, non-magnetic material becomes mine tailing, then discharge from the mine tailing discharge gate 3 bottom sorting cell body.
In follow-on permanent-magnet chamber type of the present embodiment, simple, the magnetic Circuit Design of the structure of magnetic separator is reasonable, and Distribution of Magnetic Field is even, with selected to selected mineral aggregate of short period and path implement, and can improve the quality of mineral aggregate.
Contrast experiment: in three kinds, the magnetic cobbing comparative experimental research of strong magnetic machine.
Because ilmenite magnetic is more weak, in needing when reclaiming to use, strong magnetic separator, our domestic middle high gradient strong magnetic separator mainly contains SHP strong magnetic separator, SLON founds ring type strong magnetic separator and the present invention adopts permanent magnetism has several large classes such as intensity magnetic separator in cartridge type (be called for short permanent-magnet chamber type in magnetic separator) now.We have carried out the direct sorting test of iron selection tailings (not carrying out ore grinding) respectively with above-mentioned three kinds of magnetic separators, result of the test sees the following form 3 respectively, table 4 and table 5.
Table 3:SHP strong magnetic separator magnetic separation result of the test
Table 4:SLON founds ring type strong magnetic separator result of the test
Table 5: the permanent-magnet chamber type high intensity magnetic separation result of the test in the present embodiment above-mentioned steps (1)
As can be seen from table 3 ~ table 5, in the contrast experiment of above three kinds of equipment, SHP concentrate grade is higher, rate of recovery > 80%, comparatively speaking, although magnetic separator test concentrate quality is lower than SHP in the permanent-magnet chamber type used in present invention process, the rate of recovery is higher, and results contrast is reasonable; Separately from the investment price of equipment, in the permanent-magnet chamber type used in present invention process, magnetic separator is more cheap comparatively speaking.
Claims (8)
1., from the method selecting low energy consumption separating ilmenite the mine tailing of ironworks, comprise the following steps:
(1) permanent-magnet chamber type high intensity magnetic separation: to select ironworks mine tailing for raw material, first adopt magnetic separator in permanent-magnet chamber type to carry out sorting to this mine tailing, non-magnetic material directly as magnetic tailing discharge, enters next step as magnetic concentrate in magnetic material; In described permanent-magnet chamber type, the background lectromagnetism field of magnetic separator is 6000 ~ 12000 Gausses; In described permanent-magnet chamber type, magnetic separator comprises feed hopper, permanent magnetic system, cylinder and sorting groove, described permanent magnetic system is installed in cylinder, sorting groove is located at below cylinder, the middle part of described sorting groove bottom surface is provided with mine tailing discharge gate, sorting groove side is provided with concentrate bucket, is provided with feed hopper above sorting groove opposite side; Be laid with many near the sorting groove bottom surface of feed hopper and break up water water pipe, the mouth of pipe breaking up water water pipe is towards the surface of cylinder being positioned at top; Be provided with flushing water water pipe above described concentrate bucket, the mouth of pipe of flushing water water pipe is towards the surface of cylinder being positioned at its side;
(2) ore grinding: carry out ore grinding to the middle magnetic concentrate that step (1) obtains afterwards, makes wherein ilmenite effectively realize monomer dissociation, and mog controls as-75 μm account for 75% ~ 95%;
(3) low intensity magnetic separation: utilize weak magnetic separator to carry out low intensity magnetic separation to the middle magnetic concentrate that step (2) obtains afterwards, sub-elect iron ore concentrate wherein, residue mineral aggregate enters next step;
(4) flotation operation: the residue mineral aggregate after step (3) is first roughly selected, the concentrate after roughly selecting carries out repeatedly selected acquisition ilmenite concentrate; Mine tailing after roughly selecting is scanned, the useful mineral aggregate after scanning remerge repeatedly selected after tail residues be back to and roughly select step, the tail residues after scanning is discharged as final titanium mine tailing.
2. method according to claim 1, is characterized in that: the described repeatedly selected selected operation comprising at least four times; The useful mineral aggregate of primary cleaning operation enters recleaning, and the tail residues of primary cleaning is back to primary dcreening operation; The useful mineral aggregate of recleaning operation enters triple cleaning, and the tail residues of recleaning is back to primary cleaning operation; By that analogy.
3. method according to claim 2, is characterized in that: select sulfuric acid as pH adjusting agent in described rougher process, select waterglass as inhibitor, pH adjusts between 5.0 ~ 5.6; Repeatedly in refining process, each sulfuric acid that uses is as pH adjusting agent, and pH adjusts between 4.5 ~ 5.5.
4. the method according to claim 1,2 or 3, is characterized in that: the sorting runner forming a semicircular arc between described sorting groove bottom surface and cylinder, and in described sorting runner, the flow direction of material and turning to of described cylinder are consistent.
5. the method according to claim 1,2 or 3, it is characterized in that: described feed hopper is oscillatory type feed hopper, described oscillatory type feed hopper comprises feeder trough, vibrating motor and suspension screw rod, and described feeder trough carries out installation location by hanging screw rod, and vibrating motor is installed in feeder trough side.
6. method according to claim 5, is characterized in that: the cloth surface of described feeder trough tilts, and itself and horizontal plane form the inclination angle of 10 ° ~ 15 °, and the angle of inclination of described cloth surface regulates by hanging screw rod; Described vibrating motor has the eccentric rotor structure be rotated counterclockwise.
7. the method according to claim 1,2 or 3, it is characterized in that: separated by a mine-separating board between described concentrate bucket and sorting groove, described mine-separating board extends upwardly to the surface near cylinder from sorting groove bottom surface, the mouth of pipe of described flushing water water pipe aims at the intersection region of mine-separating board place plane and cylinder surface.
8. method according to claim 4, is characterized in that: described sorting runner is with mine tailing discharge gate for boundary line delimitation is for roughly selecting district and selected district, and the selected district of magnetic pole density ratio of roughly selecting district is higher; Described many are broken up water water pipe for being arranged parallel to each other, and many are broken up water water pipe and are distributed in roughly selecting in district between mine tailing discharge gate and feed hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475357.0A CN103495500B (en) | 2013-09-23 | 2013-09-23 | From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475357.0A CN103495500B (en) | 2013-09-23 | 2013-09-23 | From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103495500A CN103495500A (en) | 2014-01-08 |
| CN103495500B true CN103495500B (en) | 2016-03-30 |
Family
ID=49860809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475357.0A Active CN103495500B (en) | 2013-09-23 | 2013-09-23 | From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103495500B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016187858A1 (en) * | 2015-05-28 | 2016-12-01 | 张宝祥 | Method for sorting minerals |
| CN104941797B (en) * | 2015-05-28 | 2016-06-01 | 张宝祥 | A kind of mineral dressing method |
| CN105498956A (en) * | 2015-12-31 | 2016-04-20 | 张增光 | Wet water mineral powder separation, cleaning and deironing concentrator |
| CN108393193A (en) * | 2018-02-22 | 2018-08-14 | 中国恩菲工程技术有限公司 | Permanent-magnet drum type magnetic separator |
| CN112495581A (en) * | 2020-12-22 | 2021-03-16 | 崇义县鑫成矿业有限公司 | Tin ore coarse fodder iron sieving mechanism |
| CN114100848A (en) * | 2021-11-16 | 2022-03-01 | 李鑫虎 | Metal mineral separation flotation machine |
| CN116967006B (en) * | 2023-09-22 | 2023-12-12 | 保利澳瑞凯(江苏)矿山机械有限公司 | Ore separator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3856666A (en) * | 1971-07-20 | 1974-12-24 | Saburo Yashima And Nippon Mini | Magnetic separator |
| CN1098335A (en) * | 1994-02-04 | 1995-02-08 | 北京矿冶研究总院 | Beneficiation method and device for cylindrical grading magnetic separator |
| CN201205517Y (en) * | 2008-04-23 | 2009-03-11 | 王美华 | Permanent magnetism barrel type roughing machine |
| CN101549322A (en) * | 2009-05-13 | 2009-10-07 | 昆明理工大学 | Process of using sulphur lead-zinc containing tailings to prepare sulphur iron ore concentrate |
| CN102631980A (en) * | 2012-04-18 | 2012-08-15 | 赣州金环磁选设备有限公司 | Method for improving titanium dressing recovery rate of ilmenite |
| CN102784712A (en) * | 2012-08-17 | 2012-11-21 | 中冶长天国际工程有限责任公司 | Mineral processing technology for low-grade fine-grain embedded refractory iron ores |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA200607875B (en) * | 2005-09-22 | 2008-05-28 | Magnapower Proprietary Ltd | Dewatering of aqueous magnetite concentrates |
-
2013
- 2013-09-23 CN CN201310475357.0A patent/CN103495500B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3856666A (en) * | 1971-07-20 | 1974-12-24 | Saburo Yashima And Nippon Mini | Magnetic separator |
| CN1098335A (en) * | 1994-02-04 | 1995-02-08 | 北京矿冶研究总院 | Beneficiation method and device for cylindrical grading magnetic separator |
| CN201205517Y (en) * | 2008-04-23 | 2009-03-11 | 王美华 | Permanent magnetism barrel type roughing machine |
| CN101549322A (en) * | 2009-05-13 | 2009-10-07 | 昆明理工大学 | Process of using sulphur lead-zinc containing tailings to prepare sulphur iron ore concentrate |
| CN102631980A (en) * | 2012-04-18 | 2012-08-15 | 赣州金环磁选设备有限公司 | Method for improving titanium dressing recovery rate of ilmenite |
| CN102784712A (en) * | 2012-08-17 | 2012-11-21 | 中冶长天国际工程有限责任公司 | Mineral processing technology for low-grade fine-grain embedded refractory iron ores |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103495500A (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103495500B (en) | From the method selecting low energy consumption separating ilmenite the mine tailing of ironworks | |
| CN101564706B (en) | Coarse fraction ilmenite titanium selecting Technology | |
| CN107583764B (en) | Beneficiation method for recovering mica from copper ore tailings | |
| CN107335535A (en) | A kind of low-grade difficulty selects the Efficient beneficiation method of smelting titanomagnetite | |
| CN101537394B (en) | Chemical-adding scrubbing beneficiation and enrichment method suitable for clay vanadium ore | |
| CN109046746A (en) | Low-grade quartz sand purifying technique | |
| CN104492590B (en) | A kind of complex iron ore dressing method | |
| CN108080138A (en) | A kind of method that titanium chats is sorted from iron selection tailings | |
| CN104874478A (en) | Vibrating magnetic field screening machine | |
| CN101352697A (en) | Novel ore dressing technique of weak magnetic iron ore and novel special strong magnetic dry separator thereof | |
| CN203540699U (en) | Improved permanent magnet barrel type middle magnetic separator | |
| CN107649278A (en) | A kind of method for separating of low-grade titanium-containing magnet ore deposit | |
| CN107824331A (en) | A kind of magnetic of low-grade ilmenite stone-floating beneficiation combined method method | |
| CN204892121U (en) | Vibrating magnetic field screening machine | |
| CN100444964C (en) | Benefication of magnetite-haematite acid mixed mine | |
| WO2024045687A2 (en) | Method for pre-selection and discarding and reducing over-grinding of gold ores | |
| CN102228862B (en) | Novel recovering process of Anshan-type iron tailings | |
| CN101966485A (en) | Before-filtering magnetic separator concentrating process | |
| CN103495495A (en) | Super-low-grade iron ore beneficiation method | |
| CN109499758A (en) | A kind of rotary table column magnetic separator and based on iron ore concentrate method for separating thereon | |
| CN112774850B (en) | Ore dressing process for sorting monazite by using grading jigger | |
| CN106607187A (en) | Energy-saving permanent-magnetic disc type strong magnetic separator | |
| CN105289836A (en) | Beneficiation method for comprehensive utilization of high iron aluminum ore | |
| CN108031546A (en) | A kind of method of red mud recycling iron | |
| CN113976313A (en) | Vibration pulsation high-gradient magnetic separation device and magnetic separation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |