CN203750688U - Combined dry magnetic separator - Google Patents
Combined dry magnetic separator Download PDFInfo
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- CN203750688U CN203750688U CN201420169080.9U CN201420169080U CN203750688U CN 203750688 U CN203750688 U CN 203750688U CN 201420169080 U CN201420169080 U CN 201420169080U CN 203750688 U CN203750688 U CN 203750688U
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- Prior art keywords
- belt
- magnetic
- preliminary election
- main belt
- magnet
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- 239000006148 magnetic separator Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000696 magnetic material Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 7
- 239000011707 mineral Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 10
- 238000007885 magnetic separation Methods 0.000 description 7
- 230000009183 running Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010187 selection method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Abstract
The utility model relates to the field of machinery, and particularly relates to a combined dry magnetic separator. A material crushed by a high-pressure roller mill is uniformly fed onto a main belt through a distributor; magnetic materials are adhered to the main belt and a magnetic roller with phi of 630*1150, and non-magnetic materials move along with the main belt and fall on a scavenging belt; a pre-enriched material passes through a first non-magnetic region, a magnetic region and a second pre-enriching region respectively, and discarding tailings can be scavenged, so that partial useful minerals can be further reclaimed. By adopting the technical scheme, compared with the prior art, the combined dry magnetic separator has the beneficial effects of multi-stage gradient magnetic field, high separation efficiency, advanced structure, light quality, reliable operation and convenience in maintenance, can be applied to high-efficiency exploitation of ultralow-grade magnetite and is capable of saving water resources and reducing beneficiation cost. A new path is opened to application of an ultra-fine crushing-dry discarding tailing process of the high-pressure roller mill in drought areas.
Description
Technical field
The utility model relates to mechanical field, relates in particular to associating dry-type magnetic extractor and magnetic selection method.
Background technology
The iron ore deposit of China and global iron ore are compared, have a large amount of low-grade iron ore mineral resources, in order to make full use of domestic existing low-grade magnetite mineral resources to make up the deficiency of domestic iron ore deposit, domestic existing enterprise gets involved in the development process of low-grade magnetite mineral resources in recent years.
Current magnetic separation process cannot fully be exploited magnetic iron ore, has caused to a certain extent the waste of mineral products.
Utility model content
The object of utility model: in order to provide a kind of magnetic separation effective associating dry-type magnetic extractor and magnetic selection method, specific purposes are shown in a plurality of essence technique effects of concrete implementation section.
In order to reach as above object, the utility model is taked following technical scheme:
Associating dry-type magnetic extractor, it is characterized in that, comprise frame, belt in frame is all installed by roller, roller two ends can turn and are installed in frame, comprise main belt, between the upper and lower strap surface of described main belt, there is magnet, magnet is fixed by the plate in frame, there are two rollers at described main belt two ends, one of them roller is magnet drum, described main belt below is distributed with first order preliminary election belt and second level preliminary election belt, between described first order preliminary election belt and second level preliminary election belt, comprise space, the middle part of the bottom of described main belt is provided with magnet down, the both sides of main belt are divided into respectively to first paragraph non-magnetic region from left to right, magnetic regions, second segment non-magnetic region, also comprise and be placed in main belt, first order preliminary election belt and second level preliminary election belt below scan belt, describedly scan the magnetic roller that belt ends is magnetic field intensity 65-450kA/m, described main belt, first order preliminary election belt, preliminary election belt in the second level is connected the power output shaft of reductor with the equal power of the roller of scanning belt.
The further technical scheme of the utility model is, one end of described first order preliminary election belt is magnet drum, and magnetic field intensity is 250 kA/m; One end of described second level preliminary election belt is also magnet drum, and magnetic field intensity is 120kA/m.
The further technical scheme of the utility model is there is material distributing machine above described main belt.
The further technical scheme of the utility model is, the magnet between the upper and lower strap surface of described main belt comprises part and down part upward.
The further technical scheme of the utility model is, comprises the magnet of arranging between the top and bottom of the belt of described second level preliminary election belt upward, and magnet is installed by frame plate, the contact of discord strap surface.
Associating dry type magnetic separation method, is characterized in that, adopts device as above, has following steps:
Material after high-pressure roller mill is pulverized evenly feeds on main belt by distributing device, thickness of feed layer≤20mm; Under main belt running, material enters into the region of preenrichment for the first time of the high 65-450kA/m of gradient magnetic intensity, realizes preenrichment for the first time, and magnetic material sticks on the magnet drum of main belt and φ 630*1150, non-magnetic material, with main belt movement, drops on and scans on belt;
Stick to preenrichment material I on main belt with main belt movement to first paragraph non-magnetic region, owing to having lost magnetic fields, under Action of Gravity Field, preenrichment material I drops on first order preliminary election belt, under the running of first order preliminary election belt, preenrichment material enters into the region of preenrichment for the second time of higher magnetic field intensity 250 kA/m, realize preenrichment for the second time, magnetic material is adsorbed on the below of main belt upward, be called preenrichment material II, and non-magnetic material is with first order preliminary election belt movement, drops on and scan on belt;
Sticky inhale preenrichment material II below main belt with main belt movement to second segment non-magnetic region, under Action of Gravity Field, preenrichment material II drops on second level preliminary election belt, under the running of second level preliminary election belt, preenrichment material II enters into preenrichment field region 120 kA/m for the third time and carries out preenrichment for the third time, magnetic material is attracted on second level preliminary election belt, be called preenrichment material III, preenrichment material III is attracted on second level preliminary election belt with main belt movement, and non-magnetic material continues to fall middle mining area with second level preliminary election belt movement, through multistage different magnetic field intensity, different gradient magnetic, through repeatedly magnetic separation preenrichment, realize and repeatedly throw tail.
The further technical scheme of the utility model is, after repeatedly throwing tail, also comprise following steps: the mine tailing unification of repeatedly throwing tail drops on scans on belt, scanning belt head portion, it is the magnetic roller of a high magnetic field intensity, magnetic field intensity is 65-450kA/m, to throwing the mine tailing of tail, scan, further reclaim a part of valuable mineral.
Adopt as above the utility model of technical scheme, with respect to prior art, have following beneficial effect: have multistage, gradient magnetic, the efficiency of separation is high, structure is advanced, and quality is light, and running is reliable, easy to maintenance.This equipment is highly suitable for drought and water shortage area, can with high-pressure roller mill use in conjunction, form high-pressure roller mill pulverizings-dry type preliminary election technique, be applied to the Efficient Development of ultra-poor magnetic iron ore, save water resource, reduction beneficiation cost.For the Efficient Development utilization of the ultra-poor magnetic iron ore in drought and water shortage area provides a kind of new equipment, and in the application in drought and water shortage area, opened up a new way for high-pressure roller mill ultrafine grinding-dry type process for discarding tailings.
Accompanying drawing explanation
In order to further illustrate the utility model, below in conjunction with accompanying drawing, further describe:
Fig. 1 is that the structure master of utility model looks cutaway view;
Fig. 2 is the side structure schematic diagram of utility model;
1, main belt; 2, scan belt; 3, first order preliminary election belt; 4 second level preliminary election belts; 5. first paragraph non-magnetic region; 6. magnetic regions; 7. second segment non-magnetic region.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, embodiment does not form restriction of the present utility model:
Associating dry-type magnetic extractor, it is characterized in that, comprise frame, belt in frame is all installed by roller, roller two ends can turn and are installed in frame, comprise main belt 1, described main belt has magnet between strap surface Shang Xia 1, magnet is fixed by the plate in frame, there are two rollers at described main belt 1 two ends, one of them roller is magnet drum, described main belt 1 below is distributed with first order preliminary election belt 3 and second level preliminary election belt 4, between described first order preliminary election belt 3 and second level preliminary election belt 4, comprise space, the middle part of the bottom of described main belt 1 is provided with magnet down, the both sides of main belt 1 are divided into respectively to first paragraph non-magnetic region 5 from left to right, magnetic regions 6, second segment non-magnetic region 7, also comprise and be placed in main belt 1, first order preliminary election belt 3 and second level preliminary election belt 4 belows scan belt 2, describedly scan the magnetic roller that belt 2 ends are magnetic field intensity 65-450kA/m, described main belt 1, first order preliminary election belt 3, second level preliminary election belt 4 is connected the power output shaft of reductor with the equal power of the roller of scanning belt 2.
The further technical scheme of the utility model is, one end of described first order preliminary election belt 3 is magnet drum, and magnetic field intensity is 250 kA/m; One end of described second level preliminary election belt 4 is also magnet drum, and magnetic field intensity is 120kA/m.
There is material distributing machine described main belt 1 top.Described main belt Shang Xia 1 the magnet between strap surface comprise upward part and part down.
Between the top and bottom of the belt of described second level preliminary election belt 4, comprise the magnet of arranging upward, magnet is installed by frame plate, the contact of discord strap surface.
Associating dry type magnetic separation method, is characterized in that, adopts device as above, has following steps:
Material after high-pressure roller mill is pulverized (the suitable granularity of material is determined in test according to ore washability, is generally-8mm moisture content≤10%) evenly feeds on main belt 1 thickness of feed layer≤20mm by distributing device; Under main belt 1 running, material enters into the region of preenrichment for the first time of the high 65-450kA/m of gradient magnetic intensity, realizes preenrichment for the first time, and magnetic material sticks on the magnet drum of main belt 1 and φ 630*1150, non-magnetic material, with main belt 1 motion, drops on and scans on belt 2;
Stick to preenrichment material I on main belt 1 with main belt movement to first paragraph non-magnetic region 5, owing to having lost magnetic fields, under Action of Gravity Field, preenrichment material I drops on first order preliminary election belt 3, under 3 runnings of first order preliminary election belt, preenrichment material enters into the region of preenrichment for the second time of higher magnetic field intensity 250 kA/m, realize preenrichment for the second time, magnetic material is adsorbed on the below of main belt 1 upward, be called preenrichment material II, and non-magnetic material is with 3 motions of first order preliminary election belt, drops on and scan on belt 2;
The sticky preenrichment material II inhaling below main belt 1 moves to second segment non-magnetic region with main belt 1, under Action of Gravity Field, preenrichment material II drops on second level preliminary election belt 4, under 4 runnings of second level preliminary election belt, preenrichment material II enters into preenrichment field region 120 kA/m for the third time and carries out preenrichment for the third time, magnetic material is attracted on second level preliminary election belt 4, be called preenrichment material III, preenrichment material III is attracted on second level preliminary election belt 4 with main belt movement, and non-magnetic material continues to fall middle mining area with 4 motions of second level preliminary election belt, through multistage different magnetic field intensity, different gradient magnetic, through repeatedly magnetic separation preenrichment, realize and repeatedly throw tail.
Be further used as expansion: opinion pushes away successively, through N section different magnetic field intensity, different gradient magnetic, through N magnetic separation preenrichment (can, according to the segmentation of iron ore character, be generally 4 sections), realize N time and throw tail.
The further technical scheme of the utility model is, after repeatedly throwing tail, also comprise following steps: the mine tailing unification of repeatedly throwing tail drops on scans on belt 2, scanning belt 2 heads, it is the magnetic roller of a high magnetic field intensity, magnetic field intensity is 65-450kA/m, to throwing the mine tailing of tail, scan, further reclaim a part of valuable mineral.
Be mainly used in the dry-type separation of magnetic ore in comminuting matter, can be widely used in the preenrichment operations such as low-ore grade magnetic iron ore, river sand.
This equipment adopts permanent magnetic system structure, and sustainable operation has the energy of saving, the feature such as safe and reliable.
the utility model is mainly used in following occasion:
1, can be used for the preliminary election operation of low-grade magnetic ore.Improve ball mill and enter to grind grade, reduce into mill amount, reduce energy consumption, reduce beneficiation cost.
2, for the deironing of non-magnetic material, effect is remarkable, and beneficiation cost is cheap.
3,, for spoil reclaming, reclaim the mine tailing of the dry relative enrichment of slope section of tailing dam.
4, for magneticore-dressing plant's iron fine powder purification operation, throw lean intergrowth and gangue in deironing fine powder, improve fine powder and step on grade, increase and select factory's product technological additional-value.
The utlity model has following advantage:
1, dry-type magnetic extractor device processes amount is large, and sorting mined material grade wide ranges, separation accuracy be high, do not stop up.
2, with than common magnetic separator compare, the grade of its sorted product improves 10%, and energy consumption is lower, and resource utilization is high, especially more favourable and applicable for the dry separation of water-deficient area.
3, simple in structure, easy to maintenance.
4, the magnetic of dry-type magnetic extractor system, adopts high-quality Ferrite Material and is composited with rare earth magnetic steel, and cylinder table average magnetic induction intensity is 100～600mT.
5,, according to user's needs, can provide the magnetic system of multiple different magnetic field intensity.That this magnetic separator has is simple in structure, treating capacity is large, easy to operate, be easy to the advantages such as maintenance.
6, by regulating main belt revolution, production control capacity of water.
7, by adjusting magnetic system and preliminary election hop count, adjust the grade of concentrate and the productive rate of mine tailing.
8, by adjusting preliminary election hop count, adjust the grade of concentrate and the productive rate of mine tailing.
9, by regulating magnetic, be belt revolution, control grade and the concentrate yield of concentrate.
more than show and described basic principle of the present utility model, principal character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (5)
1. combine dry-type magnetic extractor, it is characterized in that, comprise frame, belt in frame is all installed by roller, roller two ends can turn and are installed in frame, comprise main belt (1), between the upper and lower strap surface of described main belt (1), there is magnet, magnet is fixed by the plate in frame, there are two rollers at described main belt (1) two ends, one of them roller is magnet drum, described main belt (1) below is distributed with first order preliminary election belt (3) and second level preliminary election belt (4), between described first order preliminary election belt (3) and second level preliminary election belt (4), comprise space, the middle part of the bottom of described main belt (1) is provided with magnet down, the both sides of main belt (1) are divided into respectively to first paragraph non-magnetic region (5) from left to right, magnetic regions (6), second segment non-magnetic region (7), also comprise and be placed in main belt (1), first order preliminary election belt (3) and second level preliminary election belt (4) below scan belt (2), described belt (2) end of scanning is the magnetic roller of magnetic field intensity 65-450kA/m, described main belt (1), first order preliminary election belt (3), second level preliminary election belt (4) is connected the power output shaft of reductor with the equal power of roller of scanning belt (2).
2. associating dry-type magnetic extractor as claimed in claim 1, is characterized in that, one end of described first order preliminary election belt (3) is magnet drum, and magnetic field intensity is 250 kA/m; One end of described second level preliminary election belt (4) is also magnet drum, and magnetic field intensity is 120kA/m.
3. associating dry-type magnetic extractor as claimed in claim 1, is characterized in that, there is material distributing machine described main belt (1) top.
4. associating dry-type magnetic extractor as claimed in claim 1, is characterized in that, the magnet between the upper and lower strap surface of described main belt (1) comprises part and down part upward.
5. associating dry-type magnetic extractor as claimed in claim 1, is characterized in that, comprises the magnet of arranging between the top and bottom of the belt of described second level preliminary election belt (4) upward, and magnet is installed by frame plate, the contact of discord strap surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169080.9U CN203750688U (en) | 2014-04-09 | 2014-04-09 | Combined dry magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169080.9U CN203750688U (en) | 2014-04-09 | 2014-04-09 | Combined dry magnetic separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750688U true CN203750688U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169080.9U Expired - Fee Related CN203750688U (en) | 2014-04-09 | 2014-04-09 | Combined dry magnetic separator |
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| CN (1) | CN203750688U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028371A (en) * | 2014-04-09 | 2014-09-10 | 陕西三沅重工发展股份有限公司 | Combined dry magnetic separator and magnetic separation method |
| CN105597922A (en) * | 2016-03-23 | 2016-05-25 | 成都利君实业股份有限公司 | Magnetic cascaded sorting machine |
| CN108787163A (en) * | 2018-06-20 | 2018-11-13 | 江阴市尚时环境工程有限公司 | A kind of magnetic separation main conveyor of dry-type magnetic extractor |
-
2014
- 2014-04-09 CN CN201420169080.9U patent/CN203750688U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028371A (en) * | 2014-04-09 | 2014-09-10 | 陕西三沅重工发展股份有限公司 | Combined dry magnetic separator and magnetic separation method |
| CN104028371B (en) * | 2014-04-09 | 2016-04-20 | 陕西三沅重工发展股份有限公司 | Associating dry-type magnetic extractor and magnetic selection method |
| CN105597922A (en) * | 2016-03-23 | 2016-05-25 | 成都利君实业股份有限公司 | Magnetic cascaded sorting machine |
| CN108787163A (en) * | 2018-06-20 | 2018-11-13 | 江阴市尚时环境工程有限公司 | A kind of magnetic separation main conveyor of dry-type magnetic extractor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined dry magnetic separator and magnetic separation method Effective date of registration: 20160422 Granted publication date: 20140806 Pledgee: Xi'an Guoxin micro credit Co.,Ltd. Pledgor: SHAANXI SANYUAN HEAVY INDUSTRY DEVELOPMENT Co.,Ltd. Registration number: 2016610000010 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |