CN201848309U - Vibrating fluidized bed dry-type magnetic separator - Google Patents
Vibrating fluidized bed dry-type magnetic separator Download PDFInfo
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- CN201848309U CN201848309U CN2010205175438U CN201020517543U CN201848309U CN 201848309 U CN201848309 U CN 201848309U CN 2010205175438 U CN2010205175438 U CN 2010205175438U CN 201020517543 U CN201020517543 U CN 201020517543U CN 201848309 U CN201848309 U CN 201848309U
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- iron ore
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Abstract
The utility model relates to a vibrating fluidized bed dry-type magnetic separator. A belt conveyer is arranged on a chassis, horizontal magnetic system hangers are arranged between an upper material belt and a lower material belt of the belt conveyer, a cubic horizontal magnetic system which consists of cubic permanent magnets arranged along three-dimensional directions is arranged on the horizontal magnetic system hangers, the polar direction of the horizontal magnetic system is perpendicular to the horizontal direction, the polar directions of each neighboring cubic permanent magnets are opposite, a vibrating conveying trough is arranged under the lower material belt, vibrating motors are connected with both sides of the vibrating conveying trough, a feed hopper is arranged on the rear end of the vibrating conveying trough, a discharge outlet of the vibrating conveying trough is arranged under the middle section of the horizontal magnetic system, and an ore baffle is arranged below the discharge outlet of the vibrating conveying trough. Since the magnetic separator is provided with the horizontal magnetic system which consists of the arranged cubic permanent magnets with the opposite polar directions in each neighboring magnets, the crushed raw iron ores flow forward in a fluidized form, and the magnetic separator can clearly separate iron ores and gangue in the crushed raw iron ores, and has a good iron ore-enriching effect.
Description
Technical field
The utility model relates to the magnetic system of the branch iron ore is used a kind of raw iron ores after fragmentation dry-type magnetic extractor, particularly a kind of dry-type magnetic extractor and the conveying device of broken ore material.
Background technology
Iron ore is the raw material of ironmaking, contains a certain amount of gangue in the raw iron ores of mine extraction, and grade is lower, will carry out ore dressing processing to raw iron ores before with raw iron ores ironmaking, is used further to ironmaking after the grade of raising iron ore.Ore dressing comprises dry separation and wet separation, dry separation is the preliminary ore dressing processing that the raw iron ores after the fragmentation is carried out, iron ore after the dry separation of raw iron ores through tentatively isolating some gangues after the dry separation and tentatively being upgrade, and then iron ore after the dry separation carried out wet separation processing.The processing of wet separation at present is to use wet magnetic separation mostly, iron ore is levigate after will using ball mill dry separation in wet magnetic separation, then with wet magnetic separator to levigate dry separation after iron ore carry out wet magnetic separation, obtain iron ore after the wet separation of the required higher grade of ironmaking.In the wet magnetic separation process, relate to levigate iron ore, the consumption of energy and equipment is very big during levigate iron ore; If the iron ore grade is low more after the dry separation, the mine tailing amount that produces after the wet separation is big more, and the tip that mine tailing takies is just big more; If it is the iron ore grade is low more after the dry separation, also big more to the freight volume of iron ore after the dry separation.So improve the dry separation efficient of raw iron ores, obtain the higher dry separation of grade after iron ore both can improve grinding efficiency, can reduce again the freight volume of ore and the tip of mine tailing, to reducing beneficiation cost very big effect is arranged.Raw iron ores after the fragmentation is carried out dry separation processing will use dry-type magnetic extractor.Dry-type magnetic extractor is similar to ribbon conveyer, the dry-type magnetic extractor organic frame, before having, supports the front end of frame roller, the rear end of frame has the back to support roller, be connected with conveyer belt between the back and front supporting roller, the front lower place of conveyer belt has every the ore deposit plate, every the front portion of ore deposit plate the gangue storehouse is arranged, iron ore storehouse after there is dry separation at the rear portion of ore deposit plate.In the prior art, the magnetic of dry-type magnetic extractor system is in the preceding support roller on frame, preceding support roller is the roller of non-magnetic conductor material, magnetic system on the frame, in the preceding support roller is that the magnetic along preceding semi-circumferential is in preceding support roller, the device that on the roller and frame for the non-magnetizer material, in the roller along preceding semi-circumference magnetic is is commonly referred to as magnetic pulley, the conveyer belt rear portion is a feed entrance point, and the conveyer belt front portion is a discharging opening.During use, be laid in the raw iron ores after the fragmentation on the conveyer belt equably from feed entrance point, raw iron ores after the fragmentation is fixed bed and travels forward on conveyer belt, when the raw iron ores after the fragmentation leaves magnetic pulley, raw iron ores after the fragmentation on the fixed bed is in the magnetic field range of magnetic pulley, magnetic field affacts the iron ore in the raw iron ores after the fragmentation on the fixed bed, iron ore is inhaled attached on the conveyer belt along the magnetic force of preceding semi-circumferential magnetic system more tightly because of being subjected to, gangue is not subjected to the effect of magnetic force, dish out along magnetic pulley tangential direction forward and to enter the gangue storehouse, iron ore is because of being subjected to being attached to the circular motion that continues on the conveyer belt along magnetic pulley along the magneticaction of preceding semi-circumferential magnetic system, up to leave dish out downwards along the magnetic field of preceding semi-circumferential magnetic system enter dry separation after the iron ore storehouse.This dry-type magnetic extractor is when being fixed bed and travelling forward on conveyer belt at the raw iron ores after the fragmentation, the iron ore on upper strata may be dished out along tangential direction forward by the buffer action of lower floor's gangue, enter the gangue storehouse, the gangue of lower floor may be wrapped up in by holding under the arm of upper strata iron ore and be dished out along downward direction and enter iron ore storehouse after the dry separation, tiny iron filings particle in the raw iron ores after the fragmentation, in the motion of fixed bed, be easy to be held under the arm to wrap up in bring the gangue storehouse into by gangue, it is unclear to cause iron ore to separate with gangue, and the grade of iron ore is not very high after the dry separation.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, proposes a kind ofly can separate clear, as to make iron ore after the dry separation higher a kind of vibrated fluidized bed dry-type magnetic extractor of grade with gangue to the iron ore in the raw iron ores after the fragmentation.
The utility model is realized with the following method.
Vibrated fluidized bed dry-type magnetic extractor organic frame, ribbon conveyer is arranged on the frame, ribbon conveyer has at the preceding support roller of frame front with at the frame rear portion, the back backing roll parallel with preceding support roller, between preceding support roller and back backing roll, be connected with conveyer belt, conveying has, following strip, following strip is in the horizontal direction, on on the frame, between following two strips horizontal magnetic being arranged is hanger, horizontal magnetic is on the hanger, the length direction of strip is fixed with by the cuboid permanent magnet blocks and along the cube shaped horizontal magnetic that three-dimensional rearranges is under the edge, pole orientation and horizontal direction that horizontal magnetic is are perpendicular, in the horizontal magnetic system, the pole orientation of adjacent cube permanent magnet blocks is opposite, there is the vibration material delivering groove below of following strip, and the both sides of vibration material delivering groove are connected with vibrating motor, and there is feed hopper the rear end of vibration material delivering groove, there is the discharging opening of vibration material delivering groove the below, stage casing that horizontal magnetic is, and the front lower place of the discharging opening of vibration material delivering groove has every the ore deposit plate.
During use, starting belt conveyor rotates, allow vibrating motor drive the vibration of vibration material delivering groove, raw iron ores after the fragmentation is laid on the vibration material delivering groove equably from the feed hopper outflow, raw iron ores after the fragmentation in the vibration material delivering groove travels forward because of the vibration of vibration material delivering groove is the fluidisation attitude, the top of the raw iron ores after the fragmentation of fluidisation attitude is following strip and horizontal magnetic system successively, raw iron ores after the fragmentation of fluidisation attitude is in the magnetic field range that horizontal magnetic is, magnetic field affacts the iron ore in the raw iron ores after the fragmentation of fluidisation attitude, holding under the arm between iron ore and the gangue wrapped up in and can be weakened, make the iron ore that is subjected to magnetic force be easy to move upward and be attracted to strip below travel forward, raw iron ores after the fragmentation is to be the fluidisation attitude to travel forward in the vibration material delivering groove, having weakened holding under the arm mutually between iron ore and the gangue wraps up in, horizontal magnetic is that the iron ore of absorption is difficult for carrying secretly gangue, when iron ore is travelled forward by last strip drive, because horizontal magnetic is to be to be by the continuous successively horizontal magnetic that constitutes of the opposite magnetic group of the pole orientation of adjacent magnetic group, in the process that last strip drive iron ore through above-mentioned horizontal magnetic is, the iron ore of last strip absorption can overturn, the iron ore upset can be stirred the iron ore layer of going up strip absorption, holding a small amount of gangue of wrapping up under the arm when the iron ore layer of strip absorption is upwards inhaled is shed on the vibration material delivering groove, when the raw iron ores after the fragmentation on the vibration material delivering groove travels forward because of vibration is the fluidisation attitude, tiny iron ore particle in the broken ore material gathers agglomerating as magnetic domain, be attracted to after agglomerating to be driven on the strip and travel forward, make that the most iron ores in the broken ore material and tiny iron ore particle are sucked out on the vibration material delivering groove, remaining gangue is discharged to gangue storehouse behind the plate of ore deposit from the discharging opening of vibration material delivering groove on the vibration material delivering groove, the iron ore of last strip absorption and tiny iron iron ore particle group move forward, and throw iron ore storehouse after the dry separation before the plate of ore deposit after the sphere of action in disengaging magnetic field.
The utility model has by the continuous successively horizontal magnetic that constitutes of the opposite magnetic group of the pole orientation of adjacent magnetic group, raw iron ores after the fragmentation is to be the fluidisation attitude to travel forward on the vibration material delivering groove, weakened holding under the arm mutually between iron ore and the gangue and wrapped up in, to the iron ore in the broken ore material separate with gangue clear, make after the dry separation grade of iron ore higher.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is that the master of a kind of vibrated fluidized bed dry-type magnetic extractor of proposing according to invention scheme of the present utility model looks schematic diagram;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the schematic side view of Fig. 1;
Fig. 4 is the schematic perspective view of cube permanent magnet blocks;
Fig. 5 is that schematic diagram cuts open in the three-dimensional office that horizontal magnetic is;
Fig. 6 is that horizontal magnetic is vertical magnetic field intensity curve synoptic diagram.
The specific embodiment
Among Fig. 1～Fig. 5, vibrated fluidized bed dry-type magnetic extractor organic frame 1 has ribbon conveyer 2 on the frame, band
The formula conveyer has at the preceding support roller 3 of frame front with at the frame rear portion, the back backing roll 4 parallel with preceding support roller, between preceding support roller and back backing roll, be connected with conveyer belt 5, conveying has, following strip 6,7, following strip is in the horizontal direction, it is hanger 8 that horizontal magnetic is arranged between last strip on the frame and the following strip, horizontal magnetic is on the hanger, it is 10 along the cube shaped horizontal magnetic that three-dimensional rearranges that the length direction of the following strip in edge is fixed with by cube permanent magnet blocks 9, pole orientation and horizontal direction that horizontal magnetic is are perpendicular, in the horizontal magnetic system, the pole orientation of adjacent cube permanent magnet blocks is opposite, there is vibration material delivering groove 11 below of following strip, the both sides of vibration material delivering groove are connected with vibrating motor 12, there is feed hopper 13 rear end of vibration material delivering groove, there is the discharging opening 14 of vibration material delivering groove the below, stage casing that horizontal magnetic is, and the front lower place of the discharging opening of vibration material delivering groove has every ore deposit plate 15.
In order to make the grade that obtains iron ore higher, horizontal magnetic system magnetic field intensity from back to front can by weak, by force, the magnetic system of the strongest, weak, strong five sections variations.Among Fig. 6, the magnetic of five sections variations system is that the boundary is divided into five sections of AB section, BC section, CD section, DE section and EF sections with the discharging opening of vibration material delivering groove.
The A point is the aft terminal of magnetic system, also is the pan feeding stomion of vibration material delivering groove, is vibration material delivering groove discharging stomion between D point and the E point, and the F point is the forward terminal of magnetic system.The back segment of AB section, BC section, CD section and DE section is above the vibration material delivering groove, the leading portion of DE section and EF section before the outlet of defeated charging tray above.
In the AB section, a little less than the magnetic field intensity, BC section magnetic field intensity is strong, and CD section magnetic field intensity is the strongest, and a little less than the DE section magnetic field intensity, EF section magnetic field intensity is strong.
Magnetic field intensity by the effect that above-mentioned segmentation changes is from back to front: it is more just to enter in the iron ore the broken ore material of vibration material delivering groove iron ore from feed hopper, iron ore adsorbs quickly after entering the vibration material delivering groove for fear of the feed hopper in vibration material delivering groove rear end too much, block the gap between vibration material delivering groove and the following strip, influence is the motion of strip down, so a little less than AB section magnetic field intensity, make have only in the broken ore material the higher a part of iron ore of iron content be adsorbed to strip below; BC section magnetic field intensity is strong, can adsorb iron ore effectively; CD section magnetic field intensity is the strongest, can adsorb iron ore as much as possible on defeated charging tray; A little less than the magnetic field intensity of DE section, the iron ore stone higher to iron content in the iron ore that has adsorbed still can adsorb with remaining valid, but iron content is lower in the iron ore that has adsorbed iron ore stone adsorption capacity is reduced, can not adsorb with remaining valid and export the place ahead for the low excessively iron ore stone of iron content and fall at defeated charging tray; EF section magnetic field intensity is strong, can continue the iron ore of absorption to be fed forward to and leave the magnetic field acting section, as far as possible far throws down the iron ore of absorption.Magnetic field intensity from back to front by weak, by force, the magnetic of the strongest, weak, strong five sections variations system not only can isolate gangue, also can the low excessively iron ore stone of separating ferrum content, make the choosing of acquisition after the iron ore grade higher.
Claims (1)
1. vibrated fluidized bed dry-type magnetic extractor, organic frame, ribbon conveyer is arranged on the frame, ribbon conveyer has at the preceding support roller of frame front with at the frame rear portion, the back backing roll parallel with preceding support roller, between preceding support roller and back backing roll, be connected with conveyer belt, conveying has, following strip, it is characterized in that: following strip is in the horizontal direction, on on the frame, between following two strips horizontal magnetic being arranged is hanger, horizontal magnetic is on the hanger, the length direction of strip is fixed with by the cuboid permanent magnet blocks and along the cube shaped horizontal magnetic that three-dimensional rearranges is under the edge, pole orientation and horizontal direction that horizontal magnetic is are perpendicular, in the horizontal magnetic system, the pole orientation of adjacent cube permanent magnet blocks is opposite, and there is the vibration material delivering groove below of following strip, the both sides of vibration material delivering groove are connected with vibrating motor, there is feed hopper the rear end of vibration material delivering groove, and there is the discharging opening of vibration material delivering groove the below, stage casing that horizontal magnetic is, and the front lower place of the discharging opening of vibration material delivering groove has every the ore deposit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205175438U CN201848309U (en) | 2010-08-31 | 2010-08-31 | Vibrating fluidized bed dry-type magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205175438U CN201848309U (en) | 2010-08-31 | 2010-08-31 | Vibrating fluidized bed dry-type magnetic separator |
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| Publication Number | Publication Date |
|---|---|
| CN201848309U true CN201848309U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205175438U Expired - Fee Related CN201848309U (en) | 2010-08-31 | 2010-08-31 | Vibrating fluidized bed dry-type magnetic separator |
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| CN (1) | CN201848309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972700A (en) * | 2010-08-31 | 2011-02-16 | 铁岭市陆平粮油仓储设备厂 | Dry type magnetic separator of vibrational fluidized bed |
-
2010
- 2010-08-31 CN CN2010205175438U patent/CN201848309U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972700A (en) * | 2010-08-31 | 2011-02-16 | 铁岭市陆平粮油仓储设备厂 | Dry type magnetic separator of vibrational fluidized bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |