CN200942356Y - Magnetic separator capable of preventing blocking from coarse granules - Google Patents
Magnetic separator capable of preventing blocking from coarse granules Download PDFInfo
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- CN200942356Y CN200942356Y CN 200620024994 CN200620024994U CN200942356Y CN 200942356 Y CN200942356 Y CN 200942356Y CN 200620024994 CN200620024994 CN 200620024994 CN 200620024994 U CN200620024994 U CN 200620024994U CN 200942356 Y CN200942356 Y CN 200942356Y
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- magnetic separator
- governor motion
- downflow weir
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Abstract
A coarse particle prevention magnet separator, belonging to the separation device technology field. The utility model is used to solve the problem that the magnet separator is blocked by mineral material with large density and coarse particle. The utility model is comprised of an ore feeding box, a rolling tube, a magnetism system and a groove body. The particular point of the utility model is that an air pipe is added, the air pipe is connected with an air source, the outlet of the air pipe is set at the bottom arc plate of the groove body, the angle Alpha between the air pipe and the bottom arc plate is 0-90 degree, the adopted value d of the air pipe center from the tube body center is within +/-250mm. The utility model performs a plurality of improvements to the traditional wet type permanent magnetism drum magnetic separator. The utility model is mainly characterized in that the multi force field separation with the help of wind force, the refuse ore quantity and the overflow weir height can be continuously adjusted, and the streamline material feeding, the non prismatic ore feeding pipe and the rising angle of the groove body bottom arc can be continuously adjusted. After being improved, the utility model increases the flow stability of the ore pulp entering the separation space, ensuring that the graded selected feeding material with large particles can smoothly pass, avoiding blocking and jamming of coal sludge, and having high magnetic separation efficiency.
Description
Technical field
The utility model relates to a kind of reclaimer of magnetic dense media, and the particularly improved wet type drum magnetic separator that is applicable to coarse granule, high density ore pulp belongs to the magnetic separating apparatus technical field.
Background technology
Traditional wet drum magnetic separator (being designated hereinafter simply as magnetic separator) is to be used for the key equipment that the dense medium coal cleaning process dense media reclaims, and is widely used in each large, medium and small dense media coal washery.The tradition magnetic separator is applicable to pan feeding small grain size operating mode (being to be limited to 0.6mm on the material size).Along with dense medium coal cleaning process is constantly progressive, coal classification is gone into cleaning technology and is progressively promoted.In this technology, Coarse Coal (50-5mm) is gone into the sorting of large-scale heavy medium cyclone system, and Bed for Fine Coal (5-0.5mm) is gone into the sorting of small-sized heavy medium cyclone system, coal slime (＜0.5mm) go into the floatation system flotation.This technology requires to be 5-0.5mm to the material size of magnetic separator.Obviously, when adopting traditional magnetic separator, because its material size upper limit only is 0.6mm, wherein oarse-grained material is owing to too fast this part solid accumulation that makes of reason sedimentations such as deadweight results in blockage in magnetic separator, cause the magnetic separator cisco unity malfunction, influenced coal preparation technique.In addition, in the gravity treatment of nonmetallic minerals such as phosphorus ore, although its granularity less than 1.5mm because the density of mineral is big, it also can stop up in magnetic separator.Therefore, must improve, to satisfy the requirement of present coal separation and nonmetallic mineral gravity separation technology to the traditional wet drum magnetic separator.
Summary of the invention
The utility model is used to overcome the defective of prior art and the magnetic separator that provides a kind of anti-coarse granule to stop up, this design can effectively solve, the density big magnetic separator blockage problem that cause thick owing to mineral grain by setting up airduct and utilize the air-flow effect and the many places at other position being improved.
The alleged problem of the utility model is that following technical scheme solves:
The magnetic separator that a kind of anti-coarse granule stops up, comprise in the formation to ore deposit case, cylinder, magnetic system and cell body, its special feature is: set up airduct 9, airduct is communicated with wind regime, wind tube outlet is arranged on arc plate 17 places at the bottom of the cell body, airduct and end arc plate angle [alpha] are 0～90 °, and airduct centre-to-centre spacing cylindrical shell center d value is in ± 250mm scope.
The magnetic separator that above-mentioned anti-coarse granule stops up is set up downflow weir governor motion 6, and the downflow weir governor motion is made up of downflow weir 6-1 and the attached plate 6-2 of downflow weir, and the attached plate of downflow weir is provided with the stay bolt hole, and downflow weir is connected with the attached crab bolt of downflow weir.
The magnetic separator that above-mentioned anti-coarse granule stops up is set up wake flow governor motion 15, and described wake flow governor motion is formed by plate body 15-2 with the affixed adjustable diameter and screw adjusting bar 15-1 of plate body, and plate body is arranged on wake flow mouth 8 places, moves with the adjustable diameter and screw adjusting bar and change in the plate body inclination angle.
The magnetic separator that above-mentioned anti-coarse granule stops up describedly gives in the case of ore deposit 1 to be provided with streamlined base plate 13, and streamlined base plate arc transition connects to ore deposit case and mineral-feeding pipe 14.
The magnetic separator that above-mentioned anti-coarse granule stops up, described mineral-feeding pipe 14 is by forming for ore deposit side pipe 14-1, main pipe 14-2, inside tube 14-3, and mineral-feeding pipe is a varying cross-section duct, and the cross section of giving ore deposit side pipe and inside tube is greater than the main pipe cross section.
The magnetic separator that above-mentioned anti-coarse granule stops up, set up arc governor motion 12 at the bottom of the cell body, arc governor motion of the described end is by end arc adjustable plate 12-1 and regulate bolt assembly 12-2 and forms, and the true end of end arc adjustable plate one end and cell body 16 is hinged, and the other end is connected with the adjusting bolt assembly.
The utility model at the traditional wet permanent-magnet drum type magnetic separator during to coarse granule, the sorting of high density ore pulp the solid accumulation blocking problem improve, set up airduct, end arc governor motion, downflow weir governor motion and wake flow governor motion, to improving for structures such as ore deposit box plate, mineral-feeding pipe, its main feature is on the basis of traditional wet permanent-magnet drum type magnetic separator: reduce material sinking speed, streamlined pan feeding, mine tailing amount and height of weir plate is adjustable continuously, the arc lift angle is adjustable continuously etc. at the bottom of the variable cross-section mineral-feeding pipe, cell body by many field of forces sorting of wind-force.Increase the turbulent exchange interaction that enters sorting space ore pulp after the improvement, guaranteed that the bulky grain pan feeding of preparation of sized raw coal can pass through smoothly, avoided coal slime to stop up and pile up, had high efficiency of magnetic separation simultaneously.The utility model has adapted to the heavy media coal separation coal classification and has gone into the requirement of cleaning technology to the magnetic separation recovering effect of medium, can guarantee that the magnetic separation top size is 5mm.Be applicable to the recovery of coal washery magnetic dense media, also can be applicable to other and require high and the material wet type magnetic separation field lower the concentrate grade requirement to the rate of recovery.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the structural representation of airduct;
Fig. 3 is the structural representation of downflow weir governor motion;
Fig. 4 is the structural representation of wake flow governor motion;
Fig. 5 is another embodiment structural representation of wake flow governor motion;
Fig. 6 is that the A of Fig. 5 is to view;
Fig. 7 mineral-feeding pipe structural representation;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the structural representation of end arc governor motion;
Another embodiment structural representation of arc governor motion structure at the bottom of Figure 10.
The label of each parts is expressed as follows in the accompanying drawing: give the ore deposit case 1.; 2. concentrate unloads the ore deposit servicing unit; 3. cylinder; 4. cell body; 5. magnetic is; 6. downflow weir governor motion; 6-1. downflow weir; 6-2. the attached plate of downflow weir; 7. overflow launder; 8. wake flow mouth; 9. airduct; 10. frame; 12. end arc governor motion; 12-1. end arc adjustable plate; 12-2. adjusting bolt assembly; 13. streamlined base plate; 14. mineral-feeding pipe; 14-1. give the ore deposit side pipe; 14-2. main pipe; 14-3. inside tube; 15. wake flow governor motion; 15-1. adjustable diameter and screw adjusting bar; 15-2. plate body; 15-3. arc groove; 16. the true end of cell body; 17. end arc plate.
The specific embodiment
The problem of using traditional magnetic separator to occur from the production scene; lift angle fast owing to the material sedimentation and end arc is crossed high composite factor under the situation of bulky grain or high density pan feeding; make a large amount of bulky grains or high density material cumulative in the cell body bottom; cause after the deposition and block and along the reverse propagation of ore pulp flow direction; the sorting space is blocked, even make the local obstruction of feeding mouth.Therefore, the improved core content of the utility model is anti-blocking, and the technical scheme of employing is: after pan feeding entered to the ore deposit case, the runner of longshore current line style all entered the branch constituency of magnetic separator uniformly and stably.Form the branch constituency in the bottom of cylindrical shell 3 and the bottom of cell body 4; the wind-force that utilizes airduct to provide reduces bulky grain or high density material sinking speed, makes sedimented particle discharge the sorting space smoothly by size, height of weir plate, the hydraulic pressure size of regulating end arc lift angle simultaneously.
Referring to Fig. 1, comprise in the formation of the present utility model to ore deposit case 1, cylinder 3, magnetic be 5, cell body 4, concentrate unload ore deposit servicing unit 2.Adopt streamlined base plate 13 for the ore deposit case, streamlined base plate arc transition connects to ore deposit tank wall and mineral-feeding pipe 14, and this design has increased the flow stability that enters sorting space ore pulp, can prevent bulky grain or the high density pan feeding deposition in giving the ore deposit case.
Referring to Fig. 1, Fig. 2, an important improvement of the present utility model is: set up airduct 9, airduct is communicated with wind regime, and (wind regime can adopt the equipment air pump, or special-purpose air pump), wind tube outlet is arranged on arc plate 17 places at the bottom of the cell body, airduct and end arc plate angle [alpha] are 0～90 °, and airduct centre-to-centre spacing cylindrical shell center d value is in ± 250mm scope.This design utilizes the picking-up effect of air-flow, makes the quickening of bulky grain or high density material translational speed, sinking speed reduce, thereby this class material is not resulted in blockage by magnetic separator smoothly.
Referring to Fig. 1, Fig. 3, set up downflow weir governor motion 6, the downflow weir governor motion is made up of downflow weir 6-1 and the attached plate 6-2 of downflow weir, the attached plate of downflow weir is provided with the stay bolt hole, downflow weir is connected with the attached crab bolt of downflow weir, by regulating attached plate of downflow weir and downflow weir relative position (being short transverse), realize the adjusting of spillway discharge along stay bolt hole direction.This mechanism can regulate continuously the overflow liquid level height, go out the head pressure reduction parameter of feeding end, carry out the adjusting of flow velocity, improve the ability that current carry bulky grain or high density material.
Referring to Fig. 1 and Fig. 4～Fig. 6, set up wake flow governor motion 15, the wake flow governor motion is formed by plate body 15-2 with the affixed adjustable diameter and screw adjusting bar 15-1 of plate body, and plate body is arranged on wake flow mouth 8 places, and its inclination angle can change with the motion of adjustable diameter and screw adjusting bar.Fig. 4 and Fig. 5, Fig. 6 provide two kinds of embodiments of wake flow governor motion respectively.Shown in Figure 4, the plate body inclination angle changes during the horizontal movement of adjustable diameter and screw adjusting bar; Fig. 5, shown in Figure 6, the adjustable diameter and screw adjusting bar can move in arc groove 15-3, and plate body is with adjustable diameter and screw adjusting bar motion change inclination angle.This mechanism can make the mine tailing flow section of making a slip of the tongue continuously adjustable and can prevent to greatest extent that mineral from piling up and control the size of spillway discharge herein, and the assurance system balancing has high efficiency of magnetic separation simultaneously.
Referring to Fig. 1 and Fig. 7, Fig. 8; mineral-feeding pipe 14 adopts the variable cross-section design; it is by forming for ore deposit side pipe 14-1, main pipe 14-2, inside tube 14-3; mineral-feeding pipe both pipe also can make square tube; the cross section of giving ore deposit side pipe and inside tube is greater than the main pipe cross section; this improvement can reduce the stagnation region that flows to greatest extent, quickens the flowing velocity of bulky grain or high density pan feeding, is convenient to the discharge of concentrate simultaneously.
Referring to Fig. 1 and Fig. 9, Figure 10, set up arc plate governor motion 12 at the bottom of the cell body, end arc governor motion is by end arc adjustable plate 12-1 and regulate bolt assembly 12-2 and forms, and the true end of end arc adjustable plate one end and cell body 16, is hinged, and the other end is connected with the adjusting bolt assembly.Fig. 2, Fig. 3 are two kinds of embodiments of arc plate governor motion at the bottom of the cell body.This mechanism can regulate end arc adjustable plate angle by regulating bolt assembly continuously; discharge the sedimentation requirement of bulky grain or highdensity material faster smoothly to satisfy; the bulky grain pan feeding that guarantees preparation of sized raw coal can pass through smoothly, prevents the obstruction of this place's magnetic separator that solid accumulation causes.
The utility model is when sorting, and ore pulp enters into the sorting space of being made up of cylindrical shell 3 and cell body 4 after big volume is given the buffering of ore deposit case 1, and it is on the 5 outer drum surfaces that a large amount of magnetic materials is adsorbed to magnetic.Along with the rotation of cylindrical shell 3, most of concentrate rolls near concentrate unloads the mining area and falls, enters into the concentrate bucket under the fraction concentrate unloads ore deposit device 2 at concentrate the effect.Magnetic tailing after the magnetic separation enters the mine tailing bucket.Oarse-grained coal slime (5mm-0.6mm) or high density mineral by regulating end arc adjusting device 12, guarantee to enter the wake flow mouth with suitable lift angle under airduct 9 accelerations, and are final smoothly by the magnetic separation recovery system.
Claims (6)
1. magnetic separator that anti-coarse granule stops up, comprise in the formation to ore deposit case, cylinder, magnetic system and cell body, it is characterized in that: set up airduct (9), airduct is communicated with wind regime, arc plate (17) was located at the bottom of wind tube outlet was arranged on cell body, airduct and end arc plate angle [alpha] are 0～90 °, and airduct centre-to-centre spacing cylindrical shell center d value is in ± 250mm scope.
2. the magnetic separator that anti-coarse granule according to claim 1 stops up, it is characterized in that: set up downflow weir governor motion (6), the downflow weir governor motion is made up of downflow weir (6-1) and the attached plate of downflow weir (6-2), the attached plate of downflow weir is provided with the stay bolt hole, and downflow weir is connected with the attached crab bolt of downflow weir.
3. the magnetic separator that anti-coarse granule according to claim 2 stops up, it is characterized in that: set up wake flow governor motion (15), described wake flow governor motion is formed by plate body (15-2) with the affixed adjustable diameter and screw adjusting bar (15-1) of plate body, plate body is arranged on wake flow mouth (8) and locates, and the plate body inclination angle changes with the motion of adjustable diameter and screw adjusting bar.
4. the magnetic separator that stops up according to claim 1 or 2 or 3 described anti-coarse granules is characterized in that: describedly give that (1) is provided with streamlined base plate (13) in the case of ore deposit, streamlined base plate arc transition connects to ore deposit case and mineral-feeding pipe (14).
5. the magnetic separator that anti-coarse granule according to claim 4 stops up, it is characterized in that: described mineral-feeding pipe (14) is by forming for ore deposit side pipe (14-1), main pipe (14-2), inside tube (14-3), feed pipe is a varying cross-section duct, and the cross section of giving ore deposit side pipe and inside tube is greater than the main pipe cross section.
6. the magnetic separator that anti-coarse granule according to claim 5 stops up, it is characterized in that: set up arc governor motion (12) at the bottom of the cell body, arc governor motion of the described end is made up of end arc adjustable plate (12-1) and adjusting bolt assembly (12-2), end arc adjustable plate one end and the true end of cell body (16), are hinged, and the other end is connected with the adjusting bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024994 CN200942356Y (en) | 2006-07-20 | 2006-07-20 | Magnetic separator capable of preventing blocking from coarse granules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024994 CN200942356Y (en) | 2006-07-20 | 2006-07-20 | Magnetic separator capable of preventing blocking from coarse granules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200942356Y true CN200942356Y (en) | 2007-09-05 |
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ID=38716979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620024994 Expired - Fee Related CN200942356Y (en) | 2006-07-20 | 2006-07-20 | Magnetic separator capable of preventing blocking from coarse granules |
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| CN (1) | CN200942356Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386362A (en) * | 2012-05-11 | 2013-11-13 | 王士力 | Turbulent- flow orthogonal magnetic field wet magnetic separator |
| CN104384018A (en) * | 2014-12-09 | 2015-03-04 | 北矿机电科技有限责任公司 | External magnetic barrel type magnetic separator for coarse particle mineral separation |
| CN104549724A (en) * | 2014-12-23 | 2015-04-29 | 辽宁合众科技新材料有限公司 | Overflow device for preventing powder loss of magnetic separator beneficiation |
-
2006
- 2006-07-20 CN CN 200620024994 patent/CN200942356Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386362A (en) * | 2012-05-11 | 2013-11-13 | 王士力 | Turbulent- flow orthogonal magnetic field wet magnetic separator |
| CN103386362B (en) * | 2012-05-11 | 2016-08-24 | 王士力 | Turbulent flow quadrature field wet magnetic separator |
| CN104384018A (en) * | 2014-12-09 | 2015-03-04 | 北矿机电科技有限责任公司 | External magnetic barrel type magnetic separator for coarse particle mineral separation |
| CN104549724A (en) * | 2014-12-23 | 2015-04-29 | 辽宁合众科技新材料有限公司 | Overflow device for preventing powder loss of magnetic separator beneficiation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20110720 |