CN117160673A - Dry fluidization separation magnetic separator for powder ore - Google Patents
Dry fluidization separation magnetic separator for powder ore Download PDFInfo
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- CN117160673A CN117160673A CN202311137034.0A CN202311137034A CN117160673A CN 117160673 A CN117160673 A CN 117160673A CN 202311137034 A CN202311137034 A CN 202311137034A CN 117160673 A CN117160673 A CN 117160673A
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- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 239000006148 magnetic separator Substances 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 title claims abstract description 13
- 238000005243 fluidization Methods 0.000 title claims abstract description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 75
- 239000011707 mineral Substances 0.000 claims abstract description 75
- 230000005389 magnetism Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 49
- 230000002776 aggregation Effects 0.000 abstract description 15
- 230000009471 action Effects 0.000 abstract description 13
- 239000006249 magnetic particle Substances 0.000 abstract description 12
- 238000005054 agglomeration Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012141 concentrate Substances 0.000 abstract description 8
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000005484 gravity Effects 0.000 description 8
- 238000004220 aggregation Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses a powder ore dry fluidization separation magnetic separator, which relates to the technical field of mineral processing equipment, and comprises a non-magnetic ore bucket, a magnetic ore bucket, non-magnetic minerals and magnetic minerals, and further comprises the following components: divide ore deposit regulating plate, electromagnetism flat board, permanent magnetism cylinder magnetic roll and vibration feeder, the electromagnetism flat board includes: the device comprises a flat frame, a supporting and adjusting mechanism, a connecting plate, an exciting coil, a transmission gear motor and a conveying belt. According to the invention, the loosening degree among particles is improved through sequential on-off of the exciting coil, so that non-magnetic particles entrained by magnetic agglomeration can be separated from magnetic particles, thereby greatly reducing magnetic particle inclusion, achieving an effective separation effect, and changing the particle movement track through the permanent magnet cylinder type magnetic roller when magnetic minerals are about to leave the electromagnetic flat plate force action range, so that the magnetic mineral particles are far away from the non-magnetic mineral particles, and high-quality magnetic concentrate is obtained.
Description
Technical Field
The invention relates to the technical field of mineral processing equipment, in particular to a powder ore dry fluidization separation magnetic separator.
Background
The magnetic separation technology realizes separation by utilizing the magnetic difference of different substances, has the advantages of large equipment treatment capacity, environmental protection, no additive and the like, and is widely applied to the fields of mining, metallurgy, environmental protection, food and the like. However, the current wet magnetic separation technology has better separation effect, but has larger dependence on water resources, 4-5 tons of water is needed for each ton of iron concentrate, the concentrate also needs to be dehydrated, and the tailing pond also has adverse effect on the environment; the traditional dry magnetic separator has the problems that the magnetic mineral and non-magnetic mineral separation effect is poor, the magnetic mineral particles are easily aggregated due to the influence of acting force among particles, the magnetic aggregation is serious, and the like, even if the magnetic tumbling is generated for many times through a plurality of magnetic pole groups, the problem of the magnetic aggregation cannot be solved, and the magnetic mineral and non-magnetic mineral particles are adsorbed together due to unchanged movement track of the magnetic mineral and non-magnetic mineral particles after the magnetic linkage is opened, particularly for fine mineral particles, the aggregation of the magnetic mineral particles is serious due to strong surface activity of the fine mineral particles, and meanwhile, the magnetic separation effect is poorer. Therefore, a dry fluidized separation magnetic separator for fine ore is needed to solve the above problems.
Disclosure of Invention
The embodiment of the invention aims to provide a dry fluidization separation magnetic separator for powder ores, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a powder ore deposit dry-type fluidization separation magnet separator, includes non-magnetism ore bucket, non-magnetism mineral and magnetism mineral, and non-magnetism ore bucket is used for collecting non-magnetism mineral, and magnetism ore bucket is used for collecting magnetism mineral, still includes:
the ore separation adjusting plate is arranged between the non-magnetic ore bucket and the magnetic ore bucket and is used for separating the non-magnetic ore bucket from the magnetic ore bucket;
the electromagnetism flat board, the electromagnetism flat board is located non-magnetism ore bucket top, the electromagnetism flat board includes: a tablet frame; one end of the supporting and adjusting mechanism is connected with the flat frame; the connecting plate is connected with the other end of the supporting and adjusting mechanism; the exciting coils are connected with the connecting plate, are provided with a plurality of groups and are longitudinally arranged along the connecting plate; the transmission speed reducing motor is connected with the connecting plate; the conveying belt is rotationally connected with the connecting plate and is connected with the output end of the transmission gear motor;
the permanent magnet cylinder type magnetic roller is connected with the electromagnetic flat plate and arranged above the magnetic ore bucket and is used for separating nonmagnetic minerals and magnetic minerals;
and the vibration feeding device is connected with the electromagnetic flat plate and is used for feeding non-magnetic minerals and magnetic minerals.
As a further scheme of the invention: the support adjustment mechanism includes:
one end of the left supporting seat is connected with the flat frame, and the other end of the left supporting seat is hinged with the connecting plate;
the gradient adjusting device is connected with the flat frame;
one end of the right supporting seat is in threaded connection with the gradient adjusting device, and the other end of the right supporting seat is hinged with the connecting plate;
and one end of the belt tightness adjusting device is connected with the connecting plate, and the other end of the belt tightness adjusting device is in butt joint with the conveying belt and is used for tightness adjustment of the conveying belt.
As a further scheme of the invention: the permanent magnet cylinder type magnetic roller comprises:
the magnetic roller rack is connected with the flat plate rack;
the magnetic roller motor is connected with the magnetic roller frame;
the shaft coupling is connected with the output end of the magnetic roller motor, and a shaft lever is arranged on the shaft coupling;
the bearing seat is connected with the magnetic roller frame;
the bearing sleeve is rotationally connected with the bearing seat and is connected with the shaft lever;
the end cover is connected with the bearing sleeve;
the hollow shaft is rotationally connected with the shaft lever and is connected with the bearing seat;
the permanent magnet cylinder is connected with the end cover;
the permanent magnet magnetic system is connected with the hollow shaft.
As a further scheme of the invention: the permanent magnet system comprises:
a magnetic yoke connected with the hollow shaft;
the main magnet is connected with the magnetic yoke, is provided with a plurality of groups and is arranged by taking the hollow shaft as a circle center to form a section of cambered surface;
the auxiliary magnets are connected with the magnetic yoke and positioned between the two groups of main magnets, and the number of the auxiliary magnets is consistent with that of the main magnets.
Compared with the prior art, the invention has the beneficial effects that:
the invention creates a comprehensive force field by means of magnetic field force of the electromagnetic flat plate downwards in sequence, downward dispersion gravity of particles, AGA effect stress and the like, thereby strengthening the advantage of dry magnetic separation; according to the invention, through sequential on-off of the exciting coils (an aggregation-dispersion-aggregation AGA effect is formed every time one coil passes through), the looseness among particles is improved, so that non-magnetic particles carried by magnetic aggregation can be separated from magnetic particles, thereby greatly reducing magnetic particle inclusion and achieving an effective separation effect; in the range that the magnetic mineral is about to leave the electromagnetic flat plate force, the motion track of the particles is changed through the permanent magnet cylinder type magnetic roller, so that the magnetic mineral particles are far away from the non-magnetic mineral particles, and the high-quality magnetic concentrate is obtained. The magnetic separator can effectively separate various fine-grain weak magnetic ores, is particularly suitable for dry magnetic separation of fine ores, and has strong adaptability.
Drawings
Fig. 1 is a schematic structural diagram of a dry fluidization separation magnetic separator for powder ores in an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a permanent magnet cylinder type magnetic roller in an embodiment of the present invention.
Fig. 3 is a top view of a permanent magnet cartridge type magnetic roller in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an electromagnetic panel according to an embodiment of the present invention.
Fig. 5 is an arrangement diagram of exciting coils in the embodiment of the present invention.
In the figure: 1. an electromagnetic plate; 2. permanent magnet cylinder type magnetic roller; 3. a vibratory feeding device; 4. a mineral separation adjusting plate; 5. a non-magnetic ore bucket; 6. a magnetic ore bucket; 7. a non-magnetic mineral; 8. a magnetic mineral; 1-1, a flat plate rack; 1-2, connecting plates; 1-3, exciting coil; 1-4, a belt tightness adjusting device; 1-5, a transmission gear motor; 1-6, a left supporting seat; 1-7, a conveyor belt; 1-8, a gradient adjusting device; 1-9, right supporting seat; 1-3-1, a first exciting coil; 1-3-2, a second excitation coil; 1-3-3, a third excitation coil; 1-3-4, a fourth exciting coil; 1-3-N, the N-th excitation coil; 2-1, a main magnet; 2-2, a magnetic yoke; 2-3 parts of auxiliary magnets, 2-4 parts of hollow shafts; 2-5, a magnetic roller frame; 2-6, permanent magnet cylinder; 2-7, a magnetic roller motor; 2-8, permanent magnet system; 2-9, bearing seats; 2-10, a bearing sleeve; 2-11, end covers; 2-12 parts of a shaft coupling.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment of the present invention, referring to fig. 1 to 5, a dry fluidization separation magnetic separator for powder ore includes a non-magnetic ore bucket 5, a magnetic ore bucket 6, a non-magnetic ore 7, and a magnetic ore 8, wherein the non-magnetic ore bucket 5 is used for collecting the non-magnetic ore 7, the magnetic ore bucket 6 is used for collecting the magnetic ore 8, and further includes:
the ore separation adjusting plate 4 is arranged between the nonmagnetic ore bucket 5 and the magnetic ore bucket 6 and is used for separating the nonmagnetic ore bucket 5 from the magnetic ore bucket 6;
electromagnetic flat board 1, electromagnetic flat board 1 locates non-magnetism ore bucket 5 top, electromagnetic flat board 1 includes: a flat frame 1-1; one end of the supporting and adjusting mechanism is connected with the flat frame 1-1; the connecting plate 1-2 is connected with the other end of the supporting and adjusting mechanism; the excitation coils 1-3 are connected with the connecting plate 1-2, and the excitation coils 1-3 are provided with a plurality of groups and are longitudinally arranged along the connecting plate 1-2; the transmission gear motor 1-5 is connected with the connecting plate 1-2; the conveying belt 1-7 is rotationally connected with the connecting plate 1-2 and is connected with the output end of the transmission gear motor 1-5;
the permanent magnet cylinder type magnetic roller 2 is connected with the electromagnetic flat plate 1 and arranged above the magnetic ore bucket 6 and is used for separating nonmagnetic minerals 7 and magnetic minerals 8;
and the vibration feeding device 3 is connected with the electromagnetic flat plate 1 and is used for feeding non-magnetic minerals 7 and magnetic minerals 8.
In the embodiment, the electromagnetic flat plate 1 is vertical to the ground, so that mineral particles are downwards dispersed and settled under the action of self gravity; 2-10 exciting coils 1-3 are arranged, and a plurality of groups of exciting coils 1-3 can be connected in parallel or in series;
in this embodiment, the exciting coil 1-3 is energized with dc to generate a magnetic field, and the exciting mode is high current and low voltage; the exciting coils 1-3 are wound by copper wires or aluminum wires, the number of turns of the coils is 100-2000 turns, and each coil is axially arranged and connected with an exciting power supply; the outer surface of the copper wire or the aluminum wire is sleeved with a layer of high-temperature heat-resistant shrinkage pipe with the temperature resistance of 120-200 degrees; the current regulating range is 0-1000A, the corresponding voltage is 0-25V, the exciting power is 0-25 Kw, and the strength of the generated magnetic field is 0-1T.
The supporting and adjusting mechanism is used for supporting the conveying belt 1-7, adjusting the angle of the conveying belt 1-7 according to the particle size of the selected mineral particles, starting the transmission gear motor 1-5, driving the conveying belt 1-7 to rotate by the transmission gear motor 1-5, adjusting the rotating speed of the conveying belt 1-7, placing the mineral particles to be selected in the vibrating feeding device 3, starting the vibrating feeding device 3, and longitudinally dispersing and moving the mineral particles to be selected in a fluidization mode under the action of the vibrating feeding device 3 and the self gravity of the mineral particles; the magnetic particles move to the electromagnetic flat plate 1 under the action of the magnetic field force generated by the first exciting coil 1-3-1, in the process, part of non-magnetic mineral particles are carried to the electromagnetic flat plate 1 by the magnetic chain formed by the magnetic mineral particles, and the non-magnetic particles mostly move to the non-magnetic ore bucket 5 under the action of gravity, so that the separation of the magnetic minerals and the non-magnetic minerals is realized; the first exciting coil 1-3-1 is powered off after the power-on time reaches a set value, the second exciting coil 1-3-2 is powered on, the first magnetic agglomeration is dispersed under the action of gravity due to the power-off of the first exciting coil 1-3-1, at the moment, part of non-magnetic particles escape from the magnetic agglomeration to downwards settle into a non-magnetic ore bucket 5, and at the moment, the grade of iron concentrate is improved for the second time; after the dispersed mineral particles reach the adsorption area of the second exciting coil 1-3-2, the second magnetic agglomeration is formed, the second exciting coil 1-3-2 is powered off when the passing time reaches a set value, the third exciting coil 1-3-3 is powered on, the second magnetic agglomeration repeats the first magnetic agglomeration process, so that the iron ore concentrate grade is continuously improved, after the last exciting coil 1-3-N is powered off, the magnetic mineral particles continue to disperse downwards and are adsorbed by the permanent magnet cylinder type magnetic roller 2 positioned below the electromagnetic flat plate 1, so that the motion track is changed, the original path is separated, and the magnetic mineral particles enter the magnetic hopper 6 under the action of the permanent magnet cylinder type magnetic roller 2, and the separation of the magnetic mineral particles and the non-magnetic mineral particles is realized.
As an embodiment of the present invention, referring to fig. 4, the support adjustment mechanism includes:
one end of the left supporting seat 1-6 is connected with the flat frame 1-1, and the other end is hinged with the connecting plate 1-2;
the gradient adjusting device 1-8 is connected with the flat frame 1-1;
one end of the right supporting seat 1-9 is in threaded connection with the gradient adjusting device 1-8, and the other end of the right supporting seat is hinged with the connecting plate 1-2;
one end of the belt tightness adjusting device 1-4 is connected with the connecting plate 1-2, and the other end of the belt tightness adjusting device is abutted against the conveying belt 1-7 and used for tightness adjusting the conveying belt 1-7.
The left supporting seat 1-6 and the right supporting seat 1-9 support the connecting plate 1-2, further support the conveying belt 1-7, the rotating gradient adjusting device 1-8 adjusts the right supporting seat 1-9, further adjust the conveying angle of the conveying belt 1-7, the belt tightness adjusting device 1-4 adjusts the tightness of the conveying belt 1-7, and when the conveying belt 1-7 is damaged, the conveying belt 1-7 can be replaced through the belt tightness adjusting device 1-4.
As an embodiment of the present invention, referring to fig. 1 to 3, the permanent magnet cylinder type magnetic roller 2 includes:
the magnetic roller rack 2-5 is connected with the flat plate rack 1-1;
the magnetic roller motor 2-7 is connected with the magnetic roller frame 2-5;
the shaft coupling 2-12 is connected with the output end of the magnetic roller motor 2-7, and a shaft lever is arranged on the shaft coupling 2-12;
the bearing seat 2-9 is connected with the magnetic roller frame 2-5;
the bearing sleeve 2-10 is rotationally connected with the bearing seat 2-9 and is connected with the shaft lever;
the end cover 2-11 is connected with the bearing sleeve 2-10;
the hollow shaft 2-4 is rotationally connected with the shaft lever and is connected with the bearing seat 2-9;
the permanent magnet cylinder body 2-6 is connected with the end cover 2-11;
2-8 of permanent magnet system, which is connected with the hollow shaft 2-4.
The magnetic roller motor 2-7 drives the coupling 2-12 to rotate, the coupling 2-12 drives the bearing sleeve 2-10 to rotate, the bearing sleeve 2-10 drives the end cover 2-11 to rotate, the end cover 2-11 drives the permanent magnet cylinder 2-6 to rotate, the permanent magnet magnetic system 2-8 generates magnetic attraction force to adsorb magnetic mineral particles, and the magnetic mineral particles move on the permanent magnet cylinder 2-6.
As an embodiment of the present invention, referring to fig. 1 to 3, the permanent magnet system 2-8 includes:
the magnet yoke 2-2 is connected with the hollow shaft 2-4;
the main magnet 2-1 is connected with the magnetic yoke 2-2, the main magnet 2-1 is provided with a plurality of groups, and the main magnet 2-1 is arranged by taking the hollow shaft 2-4 as a circle center to form a section of cambered surface;
and the auxiliary magnets 2-3 are connected with the magnet yoke 2-2 and positioned between the two groups of main magnets 2-1, and the number of the auxiliary magnets 2-3 is consistent with that of the main magnets 2-1.
In the embodiment, the magnetic field intensity is divided into a scanning area, an ore feeding area and a fine selection area from high to low, wherein the upper and lower accessory areas of the horizontal shaft of the permanent magnet cylinder 2-6 are the ore feeding area, the scanning area is arranged above the ore feeding area, the fine selection area is arranged below the ore feeding area, so that ore particles with weaker magnetism can be sucked on the surface of the permanent magnet cylinder 2-6 in the scanning area, the ore particles can not fall off when passing through the ore feeding area and the fine selection area in the rotating conveying process of the permanent magnet cylinder 2-6, and ore particles at an ore discharge point which is finished in the fine selection area can be conveniently detached and fall into the magnetic hopper 6 for collection; in order to improve the recovery rate of the weakly magnetic ore particles, the permanent magnet is utilized to prevent the distribution of magnetic force lines in a certain direction so as to change the field shape and the action depth of a permanent magnet system, the polarity of the main magnet 2-1 is the same as that of the adjacent main magnet 2-1, and the magnetic flux contribution of the homopolar repulsive pole and repulsive pole generates a peak value of magnetic field intensity at the junction of the magnetic pole and the repulsive pole, and meanwhile, the magnetic pole has huge demagnetizing action and reverse magnetization possibility on the repulsive pole; the magnetization direction of the main magnet 2-1 is: the magnetization directions of adjacent main magnets are antiparallel to each other; the magnetization direction of the auxiliary magnet 2-3 is perpendicular to the magnetization direction of the main magnet 2-1, and the direction of the magnetic field generated by the middle point of the upper part of the main magnet 2-1 is consistent with the direction of the magnetic field generated by the adjacent auxiliary magnet 2-3 at the point, and the direction of the magnetic field generated by the middle point of the upper part of the auxiliary magnet 2-3 is consistent with the direction of the magnetic field generated by the adjacent main magnet 2-1 at the point.
As an embodiment of the invention, a layer of stainless steel belt is arranged on the surface of the exciting coil 1-3.
The thickness of the stainless steel belt is 0.2-1 mm. The powder particles are prevented from entering the exciting coil 1-3 through the arranged stainless steel belt to cause short circuit.
As an embodiment of the invention, the edges of the two sides of the conveyor belt 1-7 are provided with skirts.
The height of the skirt edge is 1-10 mm. By means of the skirt edges, mineral particles are prevented from falling from both sides of the conveyor belt 1-7.
The working principle of the invention is as follows: the left supporting seat 1-6 and the right supporting seat 1-9 support the connecting plate 1-2, further support the conveying belt 1-7, the rotating gradient adjusting device 1-8 adjusts the right supporting seat 1-9, further adjust the conveying angle of the conveying belt 1-7, and the belt tightness adjusting device 1-4 adjusts the tightness of the conveying belt 1-7;
starting a transmission gear motor 1-5, driving the transmission gear motor 1-5 to drive a conveying belt 1-7 to rotate, regulating the rotating speed of the conveying belt 1-7, placing mineral particles to be sorted inside a vibration feeding device 3, starting the vibration feeding device 3, and longitudinally dispersing and moving the mineral particles to be sorted in a fluidization mode under the action of the vibration feeding device 3 and self gravity;
the magnetic particles move to the electromagnetic flat plate 1 under the action of the magnetic field force generated by the first exciting coil 1-3-1, in the process, part of non-magnetic mineral particles are carried to the electromagnetic flat plate 1 by the magnetic chain formed by the magnetic mineral particles, and the non-magnetic particles mostly move to the non-magnetic ore bucket 5 under the action of gravity, so that the separation of the magnetic minerals and the non-magnetic minerals is realized; the first exciting coil 1-3-1 is powered off after the power-on time reaches a set value, the second exciting coil 1-3-2 is powered on, the first magnetic agglomeration is dispersed under the action of gravity due to the power-off of the first exciting coil 1-3-1, at the moment, part of non-magnetic particles escape from the magnetic agglomeration to downwards settle into a non-magnetic ore bucket 5, and at the moment, the grade of iron concentrate is improved for the second time; after the dispersed mineral particles reach the adsorption area of the second exciting coil 1-3-2, forming second magnetic agglomeration, powering off when the passing time of the second exciting coil 1-3-2 reaches a set value, powering on the third exciting coil 1-3-3, repeating the first magnetic agglomeration process by the second magnetic agglomeration, and repeating the cyclic reciprocation, wherein the grade of iron ore concentrate is continuously improved, and after the last exciting coil 1-3-N is powered off, continuing to disperse the magnetic mineral particles downwards;
the magnetic mineral particles are adsorbed on the permanent magnet cylinder 2-6 through the magnetic fields generated by the main magnet 2-1 and the auxiliary magnet 2-3, so that the movement track of the magnetic mineral particles is changed, the original path is separated, and when the magnetic mineral particles move to a mineral unloading point, the magnetic mineral particles are unloaded and fall into the magnetic hopper 6 to be collected, so that the separation of the magnetic mineral particles and the non-magnetic mineral particles is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a powder ore deposit dry-type fluidization separation magnet separator, includes non-magnetic ore fill, magnetism ore fill, non-magnetic mineral and magnetic mineral, and non-magnetic ore fill is used for collecting non-magnetic mineral, and magnetism ore fill is used for collecting magnetic mineral, its characterized in that still includes:
the ore separation adjusting plate is arranged between the non-magnetic ore bucket and the magnetic ore bucket and is used for separating the non-magnetic ore bucket from the magnetic ore bucket;
the electromagnetism flat board, the electromagnetism flat board is located non-magnetism ore bucket top, the electromagnetism flat board includes: a tablet frame; one end of the supporting and adjusting mechanism is connected with the flat frame; the connecting plate is connected with the other end of the supporting and adjusting mechanism; the exciting coils are connected with the connecting plate, are provided with a plurality of groups and are longitudinally arranged along the connecting plate; the transmission speed reducing motor is connected with the connecting plate; the conveying belt is rotationally connected with the connecting plate and is connected with the output end of the transmission gear motor;
the permanent magnet cylinder type magnetic roller is connected with the electromagnetic flat plate and arranged above the magnetic ore bucket and is used for separating nonmagnetic minerals and magnetic minerals;
and the vibration feeding device is connected with the electromagnetic flat plate and is used for feeding non-magnetic minerals and magnetic minerals.
2. The dry fluidized separation magnetic separator for fine ore according to claim 1, wherein the support adjusting mechanism comprises:
one end of the left supporting seat is connected with the flat frame, and the other end of the left supporting seat is hinged with the connecting plate;
the gradient adjusting device is connected with the flat frame;
one end of the right supporting seat is in threaded connection with the gradient adjusting device, and the other end of the right supporting seat is hinged with the connecting plate;
and one end of the belt tightness adjusting device is connected with the connecting plate, and the other end of the belt tightness adjusting device is in butt joint with the conveying belt and is used for tightness adjustment of the conveying belt.
3. The dry fluidized separation magnetic separator for powder ore according to claim 1, wherein the permanent magnet cylinder type magnetic roller comprises:
the magnetic roller rack is connected with the flat plate rack;
the magnetic roller motor is connected with the magnetic roller frame;
the shaft coupling is connected with the output end of the magnetic roller motor, and a shaft lever is arranged on the shaft coupling;
the bearing seat is connected with the magnetic roller frame;
the bearing sleeve is rotationally connected with the bearing seat and is connected with the shaft lever;
the end cover is connected with the bearing sleeve;
the hollow shaft is rotationally connected with the shaft lever and is connected with the bearing seat;
the permanent magnet cylinder is connected with the end cover;
the permanent magnet magnetic system is connected with the hollow shaft.
4. A powder ore dry fluidization separation magnetic separator as claimed in claim 3 wherein the permanent magnet system comprises:
a magnetic yoke connected with the hollow shaft;
the main magnet is connected with the magnetic yoke, is provided with a plurality of groups and is arranged by taking the hollow shaft as a circle center to form a section of cambered surface;
the auxiliary magnets are connected with the magnetic yoke and positioned between the two groups of main magnets, and the number of the auxiliary magnets is consistent with that of the main magnets.
5. The dry fluidized separation magnetic separator for fine ore according to claim 1, wherein a stainless steel belt is installed on the surface of the exciting coil.
6. The dry fluidized separation magnetic separator for powder ore according to claim 1, wherein skirt edges are arranged at two side edges of the conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311137034.0A CN117160673A (en) | 2023-09-05 | 2023-09-05 | Dry fluidization separation magnetic separator for powder ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311137034.0A CN117160673A (en) | 2023-09-05 | 2023-09-05 | Dry fluidization separation magnetic separator for powder ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117160673A true CN117160673A (en) | 2023-12-05 |
Family
ID=88934804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311137034.0A Pending CN117160673A (en) | 2023-09-05 | 2023-09-05 | Dry fluidization separation magnetic separator for powder ore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117160673A (en) |
-
2023
- 2023-09-05 CN CN202311137034.0A patent/CN117160673A/en active Pending
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