CN107470015A - A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield - Google Patents
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield Download PDFInfo
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- CN107470015A CN107470015A CN201710765767.7A CN201710765767A CN107470015A CN 107470015 A CN107470015 A CN 107470015A CN 201710765767 A CN201710765767 A CN 201710765767A CN 107470015 A CN107470015 A CN 107470015A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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Abstract
The invention discloses a kind of strong magnetic tail ore deposit process for discarding tailings of the drop tail for effectively improving concentrate yield, described technique includes one section of high intensity magnetic separation of drop tail, centrifuge sorts, drop two sections of high intensity magnetic separations of tail, drop tail shaking table and drops silicon shaking table process.Technological process of the present invention by throwing tail to the strong magnetic tail ore deposit of drop tail is optimized, and the yield of sintering concentrate is effectively increased on the basis of product grade is ensured, improves productivity effect, reduces the wasting of resources, and effectively alleviates environmental pressure, reduces tailings discharging amount.The present invention in terms of existing technologies, effectively releases part drop silicon shaking table disposal ability, and drops two sections of high intensity magnetic minerals of tail and be directly incorporated into sintering concentrate product, while ensureing to sinter concentrate product grade, improves sintering concentrate yield about 3t/h.
Description
Technical field
The invention belongs to mineral engineering technology field, and in particular to a kind of strong magnetic tail ore deposit of drop tail for effectively improving concentrate yield
Process for discarding tailings.
Background technology
Dahongshan Iron Ore is magnetic, red iron mixing low-sulfur phosphorus acid drift, and major metal mineral have magnetic iron ore, bloodstone
It is mainly quartz Deng, gangue mineral, is secondly plagioclase, muscovite etc..Ore structures using granular, cataclastic shape, vein texture as
Main, crystal grain is intact.Ore is based on massive structure, less dust shape, disseminated, plaque-like construction.Magnetic iron ore grain size number is thicker,
+ 0.1mm accounts for 50%；Bloodstone granularity is thinner, and -0.05mm is more than 60%.
Being developed rapidly as China is industrialized, the demand of mineral resources increasingly increases, but in the utilization of mineral resources
During, loss and waste are also very serious.The mine tailing that especially mineral resources abandon in utilization, not only causes gold
It is serious to belong to loss and waste, reduces the economic benefit of ore dressing, and huge pollution is caused to environment, obtained concentrate yield
Also it is not fully up to expectations.For such case, according to the actual conditions of production, it is necessary to which exploitation effectively improves the drop tail of concentrate yield
Strong magnetic tail ore deposit process for discarding tailings.
The content of the invention
It is an object of the invention to provide a kind of strong magnetic tail ore deposit process for discarding tailings of the drop tail for effectively improving concentrate yield.
The object of the present invention is achieved like this, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit to magnetic induction intensity one section of strong magnetic is carried out for the magnetic separator of 6000 ~ 12000 oersteds
Choosing, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon shaking table will be dropped in the drop one section strong magnetic tail ore deposit of tail；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, improves concentrate grade, together
When by obtained mine tailing enter drop two sections of high intensity magnetic separations of tail；
3）Two sections of high intensity magnetic separations of tail drop：By the magnetic by the mine tailing that centrifuge sorts through magnetic induction intensity for 6000 ~ 10000 oersteds
Select machine to carry out two sections of high intensity magnetic separations, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, two sections of high intensity magnetic minerals of tail will be dropped
It is directly incorporated into sintering concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.
Compared with prior art, beneficial effects of the present invention：
1st, technological process of the present invention by throwing tail to the strong magnetic tail ore deposit of drop tail optimizes, and effectively increases the production of sintering concentrate
Amount, productivity effect is improved, reduce the wasting of resources, and effectively alleviate environmental pressure, reduce tailings discharging amount.
2nd, the present invention in terms of existing technologies, effectively releases part drop silicon shaking table disposal ability, and drop tail two
Section high intensity magnetic mineral is directly incorporated into sintering concentrate product, while ensureing to sinter concentrate product grade, improves sintering concentrate production
Measure about 3t/h.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is further illustrated, but the present invention is not subject in any way
Limitation, based on present invention teach that any conversion or replacement made, belong to protection scope of the present invention.
The drop tail strong magnetic tail ore deposit process for discarding tailings of the present invention for effectively improving concentrate yield, including drop one section of strong magnetic of tail
Choosing, centrifuge sort, drop two sections of high intensity magnetic separations of tail, drop tail shaking table and drop silicon shaking table process, specifically include following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit to magnetic induction intensity one section of strong magnetic is carried out for the magnetic separator of 6000 ~ 12000 oersteds
Choosing, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon shaking table will be dropped in the drop one section strong magnetic tail ore deposit of tail；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, improves concentrate grade, together
When by obtained mine tailing enter drop two sections of high intensity magnetic separations of tail；
3）Two sections of high intensity magnetic separations of tail drop：By the magnetic by the mine tailing that centrifuge sorts through magnetic induction intensity for 6000 ~ 10000 oersteds
Select machine to carry out two sections of high intensity magnetic separations, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, two sections of high intensity magnetic minerals of tail will be dropped
It is directly incorporated into sintering concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.
Preferably, step（1）Described in the granularity to ore deposit be -325 mesh 60% ~ 80%.
Preferably, step（1）Described in magnetic induction intensity be 8000 ~ 11000 oersteds.
Step（2）Described in the parameter that sorts of centrifuge be 180 ~ 220rpm of centrifuge speed, feed ore concentration 20 ~ 25%,
0.3 ~ 0.4Mpa of water pressure is rinsed, to 95 ~ 110s of ore deposit time, 10 ~ 35s of interval time, 20 ~ 35s of washing time, resets 2 ~ 3s.
Preferably, step（2）Described in centrifuge be Slon φ 2400 × 1300.
Preferably, step（3）Described in magnetic induction intensity be 7000 ~ 9000 oersteds.
Preferably, described shaking table is arranged for the combination of fine sand oscillating table, slimer.
Described fine sand oscillating table is TY-X shaking tables, and bed surface is grooved table, feeding granularity 0.5-0.074mm, described ore deposit
Mud shaker is TY-N shaking tables, and bed surface is cutting bed surface, feeding granularity 0.074-0.019mm.
Described magnetic separator is in SLon-2000, SLon-1750, SLon-1500, SLon-1250, SLon-1000
It is any.
The grade of described sintering concentrate is TFe35 ~ 40%.
Embodiment 1
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：One section of high intensity magnetic separation is carried out for the magnetic separator of 12000 oersteds to ore deposit to magnetic induction intensity, is obtained
One section of high intensity magnetic mineral of tail and the drop one section strong magnetic tail ore deposit of tail are dropped, silicon shaking table will be dropped in the drop one section strong magnetic tail ore deposit of tail；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, improves concentrate grade, together
When by obtained mine tailing enter drop two sections of high intensity magnetic separations of tail；
3）Two sections of high intensity magnetic separations of tail drop：By the magnetic separator by the mine tailing that centrifuge sorts through magnetic induction intensity for 10000 oersteds
Two sections of high intensity magnetic separations are carried out, obtains dropping two sections of high intensity magnetic minerals of tail and drops the two sections strong magnetic tail ore deposit of tail, drop two sections of high intensity magnetic minerals of tail are direct
It is incorporated to sintering concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.
Embodiment 2
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit（Granularity is -325 mesh 60%）Enter to magnetic induction intensity for the magnetic separator of 11000 oersteds
One section of high intensity magnetic separation of row, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon will be dropped in the drop one section strong magnetic tail ore deposit of tail
Shaking table；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, and described centrifuge is
Slon φ 2400 × 1300, centrifuge speed 180rpm, feed ore concentration 20%, water pressure 0.3Mpa is rinsed, to ore deposit time 95s,
Interval time 10s, washing time 20s, 2s is resetted, improve concentrate grade, while obtained mine tailing is entered into drop two sections of strong magnetic of tail
Choosing；
3）Two sections of high intensity magnetic separations of tail drop：It will enter by the mine tailing that centrifuge sorts through magnetic induction intensity for the magnetic separator of 9000 oersteds
Two sections of high intensity magnetic separations of row, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, by drop two sections of high intensity magnetic minerals of tail directly simultaneously
Enter to sinter concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.
Embodiment 3
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit（Granularity is -325 mesh 65%）Enter to magnetic induction intensity for the magnetic separator of 10000 oersteds
One section of high intensity magnetic separation of row, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon will be dropped in the drop one section strong magnetic tail ore deposit of tail
Shaking table；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, and described centrifuge is
Slon φ 2400 × 1300, centrifuge speed 220rpm, feed ore concentration 25%, water pressure 0.4Mpa is rinsed, to ore deposit time 110s,
Interval time 35s, washing time 35s, 3s is resetted, improve concentrate grade, while obtained mine tailing is entered into drop two sections of strong magnetic of tail
Choosing；
3）Two sections of high intensity magnetic separations of tail drop：It will enter by the mine tailing that centrifuge sorts through magnetic induction intensity for the magnetic separator of 8000 oersteds
Two sections of high intensity magnetic separations of row, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, by drop two sections of high intensity magnetic minerals of tail directly simultaneously
Enter to sinter concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.The grade of described sintering concentrate is TFe40%.
Described shaking table is the combination of fine sand oscillating table, slimer；Described fine sand oscillating table is TY-X shaking tables, and bed surface is quarter
Groove shaking table, feeding granularity 0.5-0.074mm, described slimer are TY-N shaking tables, and bed surface is cutting bed surface, and feeding granularity is
0.074-0.019mm.Described magnetic separator is SLon-2000.
Embodiment 4
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit（Granularity is -325 mesh 70%）Enter to magnetic induction intensity for the magnetic separator of 9000 oersteds
One section of high intensity magnetic separation of row, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon will be dropped in the drop one section strong magnetic tail ore deposit of tail
Shaking table；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, and described centrifuge is
Slon φ 2400 × 1300, centrifuge speed 190rpm, feed ore concentration 22%, water pressure 0.35Mpa is rinsed, to the ore deposit time
100s, interval time 20s, washing time 25s, 2 ~ 3s is resetted, improve concentrate grade, while obtained mine tailing is entered into drop tail two
Section high intensity magnetic separation；
3）Two sections of high intensity magnetic separations of tail drop：It will enter by the mine tailing that centrifuge sorts through magnetic induction intensity for the magnetic separator of 7000 oersteds
Two sections of high intensity magnetic separations of row, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, by drop two sections of high intensity magnetic minerals of tail directly simultaneously
Enter to sinter concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.The grade of described sintering concentrate is TFe35%.
Described shaking table is the combination of fine sand oscillating table, slimer；Described fine sand oscillating table is TY-X shaking tables, and bed surface is quarter
Groove shaking table, feeding granularity 0.5-0.074mm, described slimer are TY-N shaking tables, and bed surface is cutting bed surface, and feeding granularity is
0.074-0.019mm.Described magnetic separator is SLon-1500.
Embodiment 5
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit（Granularity is -325 mesh 75%）Enter to magnetic induction intensity for the magnetic separator of 6000 oersteds
One section of high intensity magnetic separation of row, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon will be dropped in the drop one section strong magnetic tail ore deposit of tail
Shaking table；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, and described centrifuge is
Slon φ 2400 × 1300,180 ~ 220rpm of centrifuge speed, feed ore concentration 20 ~ 25%, 0.3 ~ 0.4Mpa of water pressure is rinsed, is given
95 ~ 110s of the ore deposit time, 10 ~ 35s of interval time, 20 ~ 35s of washing time, 2 ~ 3s is resetted, improve concentrate grade, while will obtain
Mine tailing enter drop two sections of high intensity magnetic separations of tail；
3）Two sections of high intensity magnetic separations of tail drop：It will enter by the mine tailing that centrifuge sorts through magnetic induction intensity for the magnetic separator of 6000 oersteds
Two sections of high intensity magnetic separations of row, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, by drop two sections of high intensity magnetic minerals of tail directly simultaneously
Enter to sinter concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.The grade of described sintering concentrate is TFe37%.
Described shaking table is the combination of fine sand oscillating table, slimer；Described fine sand oscillating table is TY-X shaking tables, and bed surface is quarter
Groove shaking table, feeding granularity 0.5-0.074mm, described slimer are TY-N shaking tables, and bed surface is cutting bed surface, and feeding granularity is
0.074-0.019mm.Described magnetic separator is SLon-1000.
Embodiment 6
A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, comprises the following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit（Granularity is -325 mesh 80%）Enter to magnetic induction intensity for the magnetic separator of 8000 oersteds
One section of high intensity magnetic separation of row, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon will be dropped in the drop one section strong magnetic tail ore deposit of tail
Shaking table；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, and described centrifuge is
Slon φ 2400 × 1300, centrifuge speed 210rpm, feed ore concentration 24%, water pressure 0.4Mpa is rinsed, to ore deposit time 105s,
Interval time 30s, washing time 30s, 3s is resetted, improve concentrate grade, while obtained mine tailing is entered into drop two sections of strong magnetic of tail
Choosing；
3）Two sections of high intensity magnetic separations of tail drop：It will enter by the mine tailing that centrifuge sorts through magnetic induction intensity for the magnetic separator of 7000 oersteds
Two sections of high intensity magnetic separations of row, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, by drop two sections of high intensity magnetic minerals of tail directly simultaneously
Enter to sinter concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.The grade of described sintering concentrate is TFe38%.
Described shaking table is the combination of fine sand oscillating table, slimer；Described fine sand oscillating table is TY-X shaking tables, and bed surface is quarter
Groove shaking table, feeding granularity 0.5-0.074mm, described slimer are TY-N shaking tables, and bed surface is cutting bed surface, and feeding granularity is
0.074-0.019mm.Described magnetic separator is SLon-1750.
Claims (10)
1. a kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield, it is characterised in that described technique includes drop tail
One section of high intensity magnetic separation, centrifuge sort, drop two sections of high intensity magnetic separations of tail, drop tail shaking table and drop silicon shaking table process, specifically include following steps：
1）One section of high intensity magnetic separation of tail drops：To ore deposit to magnetic induction intensity one section of strong magnetic is carried out for the magnetic separator of 6000 ~ 12000 oersteds
Choosing, obtain dropping one section of high intensity magnetic mineral of tail and drop the one section strong magnetic tail ore deposit of tail, silicon shaking table will be dropped in the drop one section strong magnetic tail ore deposit of tail；
2）Centrifuge sorts：By step（1）One section of high intensity magnetic mineral of obtained drop tail sorts through centrifuge, improves concentrate grade, together
When by obtained mine tailing enter drop two sections of high intensity magnetic separations of tail；
3）Two sections of high intensity magnetic separations of tail drop：By the magnetic by the mine tailing that centrifuge sorts through magnetic induction intensity for 6000 ~ 10000 oersteds
Select machine to carry out two sections of high intensity magnetic separations, obtain dropping two sections of high intensity magnetic minerals of tail and drop the two sections strong magnetic tail ore deposit of tail, two sections of high intensity magnetic minerals of tail will be dropped
It is directly incorporated into sintering concentrate；
4）Tail shaking table drops：By step（3）Tail shaking table drops in the two sections strong magnetic tail ore deposit of obtained drop tail, and obtained drop tail table concentrate is simultaneously
Enter to sinter concentrate；
5）Silicon shaking table drops：By step（1）Drop silicon shaking table in the one section strong magnetic tail ore deposit of obtained drop tail to be scanned, the drop silicon that will be obtained
Table concentrate is incorporated to sintering concentrate.
2. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that step
Suddenly（1）Described in the granularity to ore deposit be -325 mesh 60% ~ 80%.
3. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that step
Suddenly（1）Described in magnetic induction intensity be 8000 ~ 11000 oersteds.
4. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that step
Suddenly（2）Described in the parameter that sorts of centrifuge be 180 ~ 220rpm of centrifuge speed, feed ore concentration 20 ~ 25%, rinse water pressure
0.3 ~ 0.4Mpa, to 95 ~ 110s of ore deposit time, 10 ~ 35s of interval time, 20 ~ 35s of washing time, reset 2 ~ 3s.
5. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that step
Suddenly（2）Described in centrifuge be Slon φ 2400 × 1300.
6. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that step
Suddenly（3）Described in magnetic induction intensity be 7000 ~ 9000 oersteds.
7. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that institute
The shaking table stated is the combination arrangement of fine sand oscillating table, slimer.
8. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 7 for effectively improving concentrate yield, it is characterised in that institute
The fine sand oscillating table stated is TY-X shaking tables, and bed surface is grooved table, and feeding granularity 0.5-0.074mm, described slimer is TY-
N shaking tables, bed surface are cutting bed surface, feeding granularity 0.074-0.019mm.
9. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that institute
The magnetic separator stated is any of SLon-2000, SLon-1750, SLon-1500, SLon-1250, SLon-1000.
10. the drop tail strong magnetic tail ore deposit process for discarding tailings according to claim 1 for effectively improving concentrate yield, it is characterised in that institute
The grade for the sintering concentrate stated is TFe35 ~ 40%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710765767.7A CN107470015A (en) | 2017-08-30 | 2017-08-30 | A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710765767.7A CN107470015A (en) | 2017-08-30 | 2017-08-30 | A kind of strong magnetic tail ore deposit process for discarding tailings of drop tail for effectively improving concentrate yield |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909124A (en) * | 2012-10-26 | 2013-02-06 | 玉溪大红山矿业有限公司 | Iron-increasing and silicon-reducing reselection technique for mixed-type lean iron ore tailings |
| CN103495502A (en) * | 2013-09-27 | 2014-01-08 | 四川晶大矿业科技有限公司 | Method for recovering ilmenite from dense difficult to dissociate vanadium titano-magnetite |
| CN103894284A (en) * | 2014-04-04 | 2014-07-02 | 昆明理工大学 | Silicate type iron tailing recycling process |
-
2017
- 2017-08-30 CN CN201710765767.7A patent/CN107470015A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909124A (en) * | 2012-10-26 | 2013-02-06 | 玉溪大红山矿业有限公司 | Iron-increasing and silicon-reducing reselection technique for mixed-type lean iron ore tailings |
| CN103495502A (en) * | 2013-09-27 | 2014-01-08 | 四川晶大矿业科技有限公司 | Method for recovering ilmenite from dense difficult to dissociate vanadium titano-magnetite |
| CN103894284A (en) * | 2014-04-04 | 2014-07-02 | 昆明理工大学 | Silicate type iron tailing recycling process |
Non-Patent Citations (1)
| Title |
|---|
| 刘娟等: "昆钢大红山铁矿400万t/a选厂提质降尾研究及实践", 《中国矿业科技文汇》 * |
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Application publication date: 20171215 |