CN212309855U - Flat magnetic separator - Google Patents
Flat magnetic separator Download PDFInfo
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- CN212309855U CN212309855U CN202021714377.0U CN202021714377U CN212309855U CN 212309855 U CN212309855 U CN 212309855U CN 202021714377 U CN202021714377 U CN 202021714377U CN 212309855 U CN212309855 U CN 212309855U
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Abstract
The utility model discloses a flat-plate magnetic separator, which comprises a frame, a conveyer belt and a magnetic device; the magnetic device is fixed on the frame; the conveying belt is movably connected to the rack through a belt roller; a mineral aggregate blanking flushing device is arranged above the magnetic device; the magnetic device comprises an electromagnetic device and a magnetic gathering plate which is correspondingly arranged; the electromagnetic device comprises more than two iron cores arranged in parallel and coils wound on the iron cores, and the winding directions of the coils are consistent; a square iron plate is vertically fixed above the iron core and is parallel to the surface of the magnetism gathering plate; every two adjacent parallel iron cores are in a group, the lower end of a coil winding of each group of iron cores is connected, and the upper end of the winding is connected with a direct-current power supply; the conveying belt is arranged between the electromagnetic device and the magnetism gathering plate and can move in a gap between the square iron plate and the magnetism gathering plate, the conveying belt is arranged in an inclined plane, and the conveying belt is high in front and low in back according to the advancing direction. The flat-plate magnetic separator has the advantages of large ore washing amount, high efficiency and low energy consumption.
Description
Technical Field
The utility model relates to a mineral processing equipment especially relates to a dull and stereotyped magnet separator.
Background
Magnetic separators are widely used in the process of dressing metal ores. Many minerals which can be separated by the magnetic separator, such as magnetite, limonite, hematite, manganese siderite, ilmenite, wolframite, manganese ore, manganese carbonate ore, metallurgical manganese ore, manganese oxide ore, iron sand ore, kaolin, rare earth ore and the like. The magnetic separation process is realized by the action of magnetic force and mechanical force on ore particles in the magnetic field of a magnetic separator.
The flat magnetic separator is a novel magnetic separator and is widely used for separating weak magnetic minerals with the granularity of less than 5mm and removing iron from non-metallic minerals. The prior art flat magnetic separator is a permanent magnet type, and in order to obtain higher magnetic field intensity, a magnetic system is made of high-performance rare earth Ru, Fe and B materials. It features high magnetic field intensity up to 14000GS, uniform distribution, saving energy and water.
However, the flat-plate magnetic separator in the prior art also has obvious defects: due to the structure of the equipment, a high-performance rare earth Ru iron boron material needs to be adopted, so that the cost is high; and the magnetic field is of a permanent magnet type, the magnetic field is uninterrupted, and the magnetic field intensity is unchanged, so that the efficiency is not high, the ore dressing amount is not large, the energy consumption is large, the precision is not high, for example, the ore dressing precision of 0.15 tungsten raw ore is difficult to reach 2 degrees, and the power consumption reaches 3 degrees when 1 ton of raw ore is treated.
The flat-plate magnetic separator with low cost, large ore washing quantity, high efficiency, low energy consumption and high precision is urgently needed in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a flat magnetic separator with low costs, ore washing volume is big, efficient, the energy consumption is little, the precision is high.
In order to solve the technical problem, the flat-plate magnetic separator comprises a frame, a conveying belt and a magnetic device; the magnetic device is fixed on the frame; the conveying belt is movably connected to the rack through a belt roller; a mineral aggregate blanking flushing device is arranged above the magnetic device; the magnetic device comprises an electromagnetic device and a magnetic gathering plate which is correspondingly arranged; the electromagnetic device comprises more than two iron cores arranged in parallel and coils wound on the iron cores, and the winding directions of the coils are consistent; a square iron plate is vertically fixed above the iron core and is parallel to the surface of the magnetism gathering plate; every two adjacent parallel iron cores are in a group, the lower end of a coil winding of each group of iron cores is connected, and the upper end of the winding is connected with a direct-current power supply; a gap is reserved between the square iron plate above the iron core and the magnetism gathering plate; the conveying belt is arranged between the electromagnetic device and the magnetism-gathering plate and can move in a gap between the square iron plate and the magnetism-gathering plate, the electromagnetic device is positioned below the conveying belt, and the magnetism-gathering plate is positioned above the conveying belt; the conveying belt is parallel to the surfaces of the square iron plate and the magnetism gathering plate; the conveying belt is arranged in an inclined plane, and the front part of the conveying belt is high and the rear part of the conveying belt is low according to the advancing direction; the direct current power supply is connected with a switch circuit.
The output voltage of the direct current power supply is 60-120V.
The magnetism-gathering plate is an iron plate or a silicon steel sheet plate.
The silicon steel sheet plates are formed by stacking small silicon steel sheets, and the surfaces of the silicon steel sheets are perpendicular to the surfaces of the small silicon steel sheets.
The electromagnetic device comprises 5-6 groups of parallel iron cores to form a row of iron cores in the longitudinal direction, namely the advancing direction of the conveyer belt, and a row of magnetic gathering plates are correspondingly arranged.
The electromagnetic device comprises 5-6 rows of iron cores which are arranged in parallel, and 5-6 rows of magnetism gathering plates are correspondingly arranged.
And adjusting devices are arranged at two ends of each row of magnetic gathering plates and used for adjusting the gap between the square iron plate above the iron core and the magnetic gathering plates.
The adjusting device is a bolt screw hole device, one end of the bolt screw hole device is fixed on the rack, and the other end of the bolt screw hole device is fixed on the magnetism gathering plate.
And a positioning block is arranged between the square iron plate and the magnetism gathering plate.
The positive pole of the direct current output end of the direct current power supply is connected with a switch circuit, and two phases of the alternating current input end of the direct current power supply are respectively connected with a switch circuit.
The switching circuit comprises a controlled silicon VT and a regulating circuit, and the regulating circuit is connected with the controlled silicon in parallel; the regulating and controlling circuit comprises a resistor R, a potentiometer RP and a capacitor C; the resistor, the potentiometer and the capacitor are connected in series; and the grid of the controllable silicon is connected between a potentiometer and a capacitor of the regulating and controlling circuit.
The controllable silicon in the direct current output end switching circuit of the direct current power supply is 200-250V250-400A, the resistance is 2-3k omega, the potentiometer is 40-50k omega, and the capacitance is 0.05-0.2 muF; preferably, the thyristor is 230V300A, the resistor is 2.2k omega, the potentiometer is 47 k omega, and the capacitor is 0.1 muF.
The controllable silicon in the alternating current input end switching circuit of the direct current power supply is 500-630V5-15A, the resistance is 4-5k omega, the potentiometer is 90-120k omega, and the capacitance is 0.05-0.2 muF; preferably, the thyristor is 630V10A, the resistor is 4.7k omega, the potentiometer is 100 k omega, and the capacitor is 0.1 muF.
Adopt the utility model discloses a structure, owing to be equipped with conveyer belt and magnetic means, the magnetic means top is equipped with mineral aggregate unloading washing unit, magnetic means adopts the electromagnetism mode rather than permanent magnetism, including electromagnetic means and the magnetic sheet that gathers who corresponds the setting, electromagnetic means includes the iron core that sets up more than two side by side and winds the coil on the iron core, every adjacent two iron cores that parallel are a set of, its coil wire winding below terminal of each group iron core is connected, direct current power supply is connected to wire winding top terminal, the conveyer belt is high back low before according to the direction of advance, thus, magnetic means can produce magnetic field, the mineral aggregate flows down through unloading washing unit, when the conveyer belt in magnetic means district, earth is washed by the following current and is walked, the ore is adsorbed and is walked along with the conveyer belt on the conveyer belt, then is collected. The utility model discloses an electromagnetic force ore dressing has overcome prior art's defect, can continuous processing, and the ore dressing volume is big, and the enrichment ratio is high, and is efficient, and the energy consumption is low, and it is also convenient to operate. The utility model discloses magnetic means adopts the electromagnetism mode, need not adopt high performance tombarthite Ru iron boron material, the cost is reduced. Through tests, the electricity consumption of each 1 ton of raw ore is only 1.3 degrees.
The electromagnetic device of the utility model comprises 5-6 groups of parallel iron cores to form a row of iron cores in the longitudinal direction, namely the advancing direction of the conveyer belt, and a row of magnetic gathering plates are correspondingly arranged; the electromagnetic device comprises 5-6 rows of iron cores which are arranged in parallel, and 5-6 rows of magnetic gathering plates are correspondingly arranged. And adjusting devices are arranged at two ends of each row of magnetic gathering plates and used for adjusting the gap between the square iron plate above the iron core and the magnetic gathering plates. Therefore, the magnetic field can be generated to 18000 to 25000GS, weakly magnetic minerals such as tungsten can be effectively adsorbed, and the beneficiation efficiency is high. And can be as required nimble accurate regulation magnetic means's magnetic field intensity, overcome the defect of prior art permanent magnetism flatbed, the accurate ore dressing of being convenient for improves the ore dressing precision, and magnetic field stability is high.
The utility model is characterized in that the DC power supply is connected with a switch circuit, the anode of the DC output end of the DC power supply is connected with a switch circuit, and two phases of the AC input end of the DC power supply are respectively connected with a switch circuit; the switching circuit comprises a controlled silicon VT and a regulating circuit, and the regulating circuit is connected with the controlled silicon in parallel; the regulating and controlling circuit comprises a resistor R, a potentiometer RP and a capacitor C, wherein the resistor R, the potentiometer RP and the capacitor C are connected in series; the grid of silicon controlled rectifier is connected between the potentiometer and the electric capacity of regulation and control circuit, and like this, electromagnetic means can produce intermittent type nature magnetic field, constantly alternately inhales to put magnetic mineral, and the separation of the magnetic mineral of being convenient for improves the ore dressing precision, and through the experiment, the tungsten raw ore dressing precision of 0.15 degree can reach 3 degrees. The utility model discloses DC power supply is owing to be connected with switch circuit, has also avoided uninterrupted power supply to lead to the on-time overlength to arouse overheated damage to prolong the life of equipment, reduced the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the magnetic device of the present invention;
FIG. 3 is a schematic structural view of the magnetic gathering plate of the magnetic device of the present invention;
fig. 4 is a schematic diagram of the dc power switch circuit of the present invention.
Detailed Description
The invention is described in detail below with reference to the following drawings and embodiments:
as shown in fig. 1, fig. 2 and fig. 3, the flat magnetic separator of the present invention includes a frame 1, a conveyor belt 2 and a magnetic device 3.
The magnetic device is fixed on the frame. The conveyer belt passes through belt roller swing joint in frame. And a mineral aggregate blanking and flushing device 4 is arranged above the magnetic device.
The magnetic device comprises an electromagnetic device and a magnetic gathering plate 5 which is correspondingly arranged.
The electromagnetic device comprises more than two iron cores 7 arranged in parallel and coils wound on the iron cores, and the winding directions of the coils are consistent. A square iron plate 6 is vertically fixed above the iron core and is parallel to the surface of the magnetism gathering plate. Every two adjacent parallel iron cores are in a group, the lower end of the coil winding of each group of iron cores is connected, and the upper end of the winding is connected with a direct current power supply. The rectification circuit of the direct current power supply is the prior art, 380V can be used as the alternating current input voltage, and 60-120V is preferred as the direct current output voltage.
A gap is reserved between the square iron plate above the iron core and the magnetic gathering plate. The conveyer belt is arranged between the electromagnetic device and the magnetism-gathering plate and can move in a gap between the square iron plate and the magnetism-gathering plate, the electromagnetic device is positioned below the conveyer belt, and the magnetism-gathering plate is positioned above the conveyer belt. The conveying belt is parallel to the surfaces of the square iron plate and the magnetism gathering plate.
The conveying belt is arranged in an inclined plane, and the front part of the conveying belt is higher than the back part thereof in the advancing direction.
The magnetism gathering plate is preferably an iron plate or a silicon steel sheet plate. The magnetic flux is preferably a silicon steel sheet plate, and the magnetic flux gathering effect is best.
The silicon steel sheet plates are formed by overlapping small silicon steel sheets 8, and the surfaces of the silicon steel sheets are vertical to the surfaces of the small silicon steel sheets. The stacking method of the small silicon steel sheets is the prior art.
The longitudinal direction of the electromagnetic device, i.e. the advancing direction of the conveyor belt, preferably comprises 5-6 groups of parallel iron cores to form a row of iron cores, and a row of magnetic gathering plates are correspondingly arranged. The electromagnetic device preferably comprises 5-6 rows of iron cores which are arranged in parallel, and 5-6 rows of magnetism gathering plates are correspondingly arranged.
And adjusting devices are arranged at two ends of each row of magnetic gathering plates and used for adjusting the gap between the square iron plate above the iron core and the magnetic gathering plates. Like this, can accurate regulation magnetic field intensity, avoid prior art's defect, strengthen the selection effect.
The adjustment means is preferably a bolt and screw arrangement. One end of the bolt screw hole device is fixed on the frame, and the other end of the bolt screw hole device is fixed on the magnetism gathering plate.
A positioning block is arranged between the square iron plate and the magnetism gathering plate. Thus, the square iron plate can be prevented from contacting the magnetic convergence plate, and the minimum distance thereof can be defined.
The direct current power supply is connected with a switch circuit.
As shown in fig. 4, preferably, one switching circuit is connected to the positive pole of the dc output terminal of the dc power supply, and two phases of the ac input terminal of the dc power supply are connected to one switching circuit, respectively.
The switch circuit comprises a controllable silicon VT and a regulating circuit, and the regulating circuit is connected with the controllable silicon in parallel. The regulating circuit comprises a resistor R, a potentiometer RP and a capacitor C. The resistor R, the potentiometer RP and the capacitor C are connected in series. The grid of the controlled silicon is connected between a potentiometer RP and a capacitor C of the regulating and controlling circuit.
Preferably, the controllable silicon in the direct current output end switching circuit of the direct current power supply is 200-250V250-400A, the resistance is 2-3k omega, the potentiometer is 40-50k omega, and the capacitance is 0.05-0.2 muF. Preferably, the thyristor is 230V300A, the resistor is 2.2k omega, the potentiometer is 47 k omega, and the capacitor is 0.1 muF.
The thyristor in the AC input end switch circuit of the DC power supply is 500-630V5-15A, the resistance is 4-5k omega, the potentiometer is 90-120k omega, and the capacitance is 0.05-0.2 muF. Preferably, the thyristor is 630V10A, the resistor is 4.7k omega, the potentiometer is 100 k omega, and the capacitor is 0.1 muF.
Claims (13)
1. The flat-plate magnetic separator is characterized in that: comprises a frame (1), a conveyer belt (2) and a magnetic device (3); the magnetic device is fixed on the frame; the conveying belt is movably connected to the rack through a belt roller; a mineral aggregate blanking flushing device (4) is arranged above the magnetic device; the magnetic device comprises an electromagnetic device and a magnetic gathering plate (5) which is correspondingly arranged; the electromagnetic device comprises more than two iron cores (7) arranged in parallel and coils wound on the iron cores, and the winding directions of the coils are consistent; a square iron plate (6) is vertically fixed above the iron core, and is parallel to the surface of the magnetism gathering plate; every two adjacent parallel iron cores are in a group, the lower end of a coil winding of each group of iron cores is connected, and the upper end of the winding is connected with a direct-current power supply; a gap is reserved between the square iron plate above the iron core and the magnetism gathering plate; the conveying belt is arranged between the electromagnetic device and the magnetism-gathering plate and can move in a gap between the square iron plate and the magnetism-gathering plate, the electromagnetic device is positioned below the conveying belt, and the magnetism-gathering plate is positioned above the conveying belt; the conveying belt is parallel to the surfaces of the square iron plate and the magnetism gathering plate; the conveying belt is arranged in an inclined plane, and the front part of the conveying belt is high and the rear part of the conveying belt is low according to the advancing direction; the direct current power supply is connected with a switch circuit.
2. The flat panel magnetic separator recited in claim 1 wherein: the output voltage of the direct current power supply is 60-120V.
3. The flat panel magnetic separator recited in claim 1 wherein: the magnetism-gathering plate is an iron plate or a silicon steel sheet plate.
4. The flat panel magnetic separator recited in claim 3 wherein: the silicon steel sheet plates are formed by stacking small silicon steel sheets (8), and the surfaces of the silicon steel sheets are perpendicular to the surfaces of the small silicon steel sheets.
5. The flat panel magnetic separator recited in claim 1 wherein: the electromagnetic device comprises 5-6 groups of parallel iron cores to form a row of iron cores in the longitudinal direction, namely the advancing direction of the conveyer belt, and a row of magnetic gathering plates are correspondingly arranged.
6. The flat magnetic separator recited in claim 5 wherein: the electromagnetic device comprises 5-6 rows of iron cores which are arranged in parallel, and 5-6 rows of magnetism gathering plates are correspondingly arranged.
7. The flat panel magnetic separator recited in claim 5 or 6 wherein: and adjusting devices are arranged at two ends of each row of magnetic gathering plates and used for adjusting the gap between the square iron plate above the iron core and the magnetic gathering plates.
8. The flat panel magnetic separator recited in claim 7 wherein: the adjusting device is a bolt screw hole device, one end of the bolt screw hole device is fixed on the rack, and the other end of the bolt screw hole device is fixed on the magnetism gathering plate.
9. The flat panel magnetic separator recited in claim 1 wherein: and a positioning block is arranged between the square iron plate and the magnetism gathering plate.
10. The flat panel magnetic separator recited in claim 1 wherein: the positive pole of the direct current output end of the direct current power supply is connected with a switch circuit, and two phases of the alternating current input end of the direct current power supply are respectively connected with a switch circuit.
11. The flat panel magnetic separator recited in claim 1 or claim 10 wherein: the switching circuit comprises a controlled silicon VT and a regulating circuit, and the regulating circuit is connected with the controlled silicon in parallel; the regulating and controlling circuit comprises a resistor R, a potentiometer RP and a capacitor C; the resistor, the potentiometer and the capacitor are connected in series; and the grid of the controllable silicon is connected between a potentiometer and a capacitor of the regulating and controlling circuit.
12. The flat panel magnetic separator recited in claim 11 wherein: the controllable silicon in the direct current output end switching circuit of the direct current power supply is 200-250V250-400A, the resistance is 2-3k omega, the potentiometer is 40-50k omega, and the capacitance is 0.05-0.2 muF; preferably, the thyristor is 230V300A, the resistor is 2.2k omega, the potentiometer is 47 k omega, and the capacitor is 0.1 muF.
13. The flat panel magnetic separator recited in claim 11 wherein: the controllable silicon in the alternating current input end switching circuit of the direct current power supply is 500-630V5-15A, the resistance is 4-5k omega, the potentiometer is 90-120k omega, and the capacitance is 0.05-0.2 muF; preferably, the thyristor is 630V10A, the resistor is 4.7k omega, the potentiometer is 100 k omega, and the capacitor is 0.1 muF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714377.0U CN212309855U (en) | 2020-08-17 | 2020-08-17 | Flat magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714377.0U CN212309855U (en) | 2020-08-17 | 2020-08-17 | Flat magnetic separator |
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| CN212309855U true CN212309855U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871599A (en) * | 2020-08-17 | 2020-11-03 | 郴州市东卓矿山设备有限公司 | Flat magnetic separator |
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- 2020-08-17 CN CN202021714377.0U patent/CN212309855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871599A (en) * | 2020-08-17 | 2020-11-03 | 郴州市东卓矿山设备有限公司 | Flat magnetic separator |
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