CN116871048B - Circulation cooling high gradient magnetic separation screening machine - Google Patents

Circulation cooling high gradient magnetic separation screening machine Download PDF

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Publication number
CN116871048B
CN116871048B CN202311147936.2A CN202311147936A CN116871048B CN 116871048 B CN116871048 B CN 116871048B CN 202311147936 A CN202311147936 A CN 202311147936A CN 116871048 B CN116871048 B CN 116871048B
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screening
section
cooling
magnetic separation
pipe
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CN116871048A (en
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王国周
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Weifang Guote Mining Equipment Co ltd
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Weifang Guote Mining Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/025High gradient magnetic separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/025High gradient magnetic separators
    • B03C1/031Component parts; Auxiliary operations

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to the technical field of ore screening, and particularly discloses a circulating cooling high-gradient magnetic separation screening machine which comprises an equipment frame, a combined electromagnetic system and a cooling liquid component, wherein a feeding belt is arranged on one side of the equipment frame, a magnetic separation section, a pickling section and a flushing section are sequentially arranged on the equipment frame far away from the feeding belt, and screening mesh belts are commonly arranged in the magnetic separation section, the pickling section and the flushing section; the washing section internally mounted adjacent screening guipure has the washing subassembly, and the sedimentation tank is installed to the bottom of washing section, and the filter component is installed to the detachable sedimentation tank inside of screening guipure below, and the sedimentation tank surface mounting of filter component below has the circulating pump group, and the cooling tank is installed at the top of equipment rack. The invention has a series of structures, so that the separator can realize vibration screening and directional guiding-out operations of large-particle ores, small-particle ores, weak magnetic materials, magnetic materials and the like, circularly use flushing water and meet the cooling requirement of a combined electromagnetic system.

Description

Circulation cooling high gradient magnetic separation screening machine
Technical Field
The invention relates to the technical field of ore screening, in particular to a circulating cooling high-gradient magnetic separation screening machine.
Background
In the existing ore magnetic separation screening equipment, a vertical ring high gradient magnetic separator is mostly adopted, and the equipment is mainly suitable for the wet separation process of the weak magnetic ore, so that in order to meet the magnetic separation effect of the weak magnetic ore, a magnetic field with high gradient is required to be generated by the magnetic separator, a used winding coil is required to pass through stronger current, and in order to avoid the increase of thermal attenuation of the magnetic field caused by the increase of the temperature of the winding coil, the winding coil is required to be cooled.
The existing winding coil cooling mode mostly adopts cooling oil cooling, and only under the condition that the magnetic field intensity is continuously high in demand, the cooling oil naturally cools down and can not meet the demand, corresponding cooling equipment is additionally arranged, and even the mode of cooling by cold water is adopted, so that a large amount of water resource is consumed. In addition, the existing magnetic separator generally adopts a primary magnetic separation mode, and if secondary magnetic property is required, two sets of magnetic field devices are required to be configured. If the vertical ring type magnetic separator is adopted for screening, when the large-particle ores are screened out according to the large-particle size range, if the large-particle ores are required to be screened out, the simple magnetic separator cannot be adopted, the ores with different sizes can be led out from a single discharge hole, the screening treatment is required to be carried out after the magnetic separation or the screening treatment is carried out before the magnetic separation, the screening and the magnetic separation processes are operated separately, and the procedure steps become more complicated.
Disclosure of Invention
The invention aims to provide a circulating cooling high-gradient magnetic separation screening machine so as 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 recirculated cooling high gradient magnetic separation screening machine, includes equipment rack, installs the combination electromagnetism system on the equipment rack and installs the coolant liquid subassembly on combination electromagnetism system, two parts constitute a style of calligraphy structure around the combination electromagnetism system, the feeding area is installed to one side of equipment rack, and installs magnetism selection section, pickling section and washing section on the equipment rack that keeps away from feeding area direction in proper order, one side of magnetism selection section is provided with the inlet port, and the end mounting of feeding area is inboard at the inlet port, the front and back surface of magnetism selection section all is provided with the opening, and the combination electromagnetism system is installed in the opening inside, the screening guipure is installed jointly to the inside of magnetism selection section, pickling section and washing section, the inside constitution circulation motion of combination electromagnetism system of screening guipure through combination electromagnetism system inside, pickling section below and combination electromagnetism system inside, install the vibrating rail between combination electromagnetism system inner wall and the screening guipure;
the washing section internally mounted who is adjacent screening guipure has the washing subassembly, and the sedimentation tank is installed to the bottom of washing section, the filter component is installed to the detachable sedimentation tank inside of screening guipure below, the sedimentation tank surface mounting of filter component below has the circulation pump group, the cooling tank is installed at the top of equipment rack, the leakage fluid dram of coolant liquid subassembly is connected with the bottom of cooling tank through the pipeline, and the output of circulation pump group is connected with the top of cooling tank through the pipeline, the internally mounted of cooling tank has convection cooling mechanism.
Preferably, the flushing assembly comprises a spray pipe and high-pressure spray heads, the spray pipe is installed inside a flushing section adjacent to the screening mesh belt, a plurality of high-pressure spray heads are installed on the surface of the spray pipe, and the high-pressure spray heads are distributed towards the screening mesh belt.
Preferably, the filter component comprises a drawing port, a filter screen component and a drawing filter cabinet, the surface of the sedimentation tank is provided with the drawing port, the drawing filter cabinet is detachably arranged on the inner side of the drawing port through a sliding rail, and the filter screen component is arranged on the inner side of the drawing filter cabinet.
Preferably, the inside of the pickling section is provided with a pickling tank, the surface of the pickling section is detachably provided with a sealing plate, and the sealing plate is provided with a slag discharging pipe.
Preferably, a receiving roller is arranged in the combined electromagnetic system at one side of the vibrating rail, the receiving roller is positioned below the tail part of the feeding belt and is matched with the screening net belt, a rail pinch roller is arranged in the soaking tank above the screening net belt, a steering roller is arranged in the flushing section below the flushing assembly, a driving motor is arranged on the surface of the flushing section adjacent to the steering roller, an output shaft of the driving motor is connected with the steering roller, and the height of the steering roller is lower than that of the receiving roller.
Preferably, a collecting hopper is arranged adjacent to the inner side wall of the flushing section of the steering roller, a scraper is arranged at the top end of the collecting hopper, a slag box is arranged on the side surface of the flushing section far away from the feeding belt, and the top of the slag box is communicated with the bottom of the collecting hopper.
Preferably, the convection cooling mechanism comprises a liquid inlet pipe, a water spray pipe, a water return sleeve, a liquid storage cavity and a radiating pipe, wherein the liquid storage cavity is arranged on the inner side wall of the cooling box, the liquid inlet pipe is arranged at the bottom end of the cooling box, the liquid inlet pipe is connected with the cooling liquid component through a pipe, the top end of the liquid inlet pipe extends to the inside of the cooling box through the liquid storage cavity, a plurality of radiating pipes are arranged at the top end of the liquid inlet pipe through a pipe row, the water return sleeve is jointly arranged at the tail ends of the radiating pipes, the water return sleeve is communicated with the inside of the radiating pipes, a flow guide pipe is arranged between the water return sleeve and the liquid storage cavity in a communicated mode, the water spray pipe is arranged in the cooling box above the water return sleeve, and the water spray pipe is connected with the output end of the circulating pump group;
a drain pipe is arranged in the cooling box at the inner side of the liquid storage cavity, the drain pipe extends to the outer side of the cooling box, a pressurizing pump set is arranged at the tail end of the drain pipe, a control pipe set is arranged at the output end of the pressurizing pump set, and the tail end of the control pipe set is connected with the flushing assembly;
the internal mounting of stock solution chamber has the back flow, and the one end of back flow extends the cooler bin, and the extension end of back flow is installed and is retrieved the pump package, retrieves the output of pump package and be connected with the coolant liquid subassembly.
Preferably, the vibrating rails are used in parallel in pairs, openings are formed in opposite faces and two end faces of the two vibrating rails, the upper and lower positions of the openings of the opposite faces of the vibrating rails are provided with baffle plates, the upper baffle plates are elastically sleeved with spring sleeve plates, and the upper and lower wall surfaces of the inner part of the vibrating rails are provided with elastic convex belts.
Preferably, the screening net belt is composed of a plurality of screens and a plurality of connecting belts, the connecting belts are arranged between the upper surfaces of two adjacent screens, the screens are provided with a plurality of funnel-shaped screening holes in a vertical conduction mode, connecting shafts are arranged at two ends of the screens, and multi-face wheels are arranged on the connecting shafts.
Preferably, the bottom of the magnetic selection section is provided with a discharge plate, the discharge plate is obliquely arranged downwards, the bottom of the discharge plate is provided with a vibrating motor, the lower part of the discharge plate is provided with a discharge port, and a feeding belt is arranged on a device frame below the discharge port.
Compared with the prior art, the invention has the beneficial effects that:
this circulative cooling high gradient magnetic separation screening machine mainly divide into three parts with whole equipment, can realize magnetic separation screening, soak and whereabouts weak magnetic material, wash stronger magnetic material, wash screening guipure, large granule ore screening, screening guipure circulation, go on of ore secondary magnetic separation screening etc. function, on current electromagnetic technology's basis, after the top autoloading, through below automatic discharge, when satisfying same side ejection of compact effect, can be based on ore washing and on the current technology that the combination electromagnetism system needs the cooling, will wash required water and carry out cooling treatment to the coolant liquid of cooling electromagnetic assembly, when realizing upper and lower convection cooling effect, do not influence the supply of washing required water source.
The circulating cooling high gradient magnetic separation screening machine can adsorb flux-carrying substances in ores, such as iron ores, under the action of a screening mesh belt and electromagnetic force generated by a combined electromagnetic system, and can directionally convey and directionally discharge the flux-carrying ores under the reciprocating action of the screening mesh belt, so that the magnetic separation screening effect is realized, the screening mesh belt moving up and down is formed in the combined electromagnetic system, the ore falling from top to bottom can be subjected to secondary magnetic separation screening, and the flux-carrying or magnetic ore containing operation of small particles can be facilitated under the action of funnel-shaped screening holes, and the extrusion of a receiving roller and the like is avoided.
This recirculated cooling high gradient magnetic separation screening machine, through the multiaspect wheel, as the left and right support part of screen cloth motion, when the screening guipure is pulled by external force and is moved in vibrating rail is inside, multiaspect wheel and the striking of elasticity protruding area and produce vibration force and transmit for the screen cloth to provide required vibration force for screen cloth vibration screening ore to under the connecting band effect, can avoid the vibration force transmission of single screen cloth to transmit for nearby screen cloth, avoid taking place the phenomenon such as mutual offset of vibration force to take place from this.
This recirculated cooling high gradient magnetic separation screening machine through with the water spray pipe down drain, the coolant liquid scheduling operation of feed liquor pipe upward row, can realize being similar to the heat exchange effect of upper and lower convection, carries out abundant cooling operation to the coolant liquid, and set up a stock solution chamber in the cooler bin inboard, when can carry out temporary storage to the coolant liquid after carrying out the heat exchange, under the circumstances of the inside storage water of cooler bin, can further cool off the coolant liquid of storing intracavity portion, reaches abundant cooling effect, the coolant liquid circulation after the cooling provides the combination electromagnetism system and uses, the water after the use normally is used for the spray rinsing operation of screening guipure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a partial top view of a screening belt of the present invention;
FIG. 4 is a schematic view of the internal structure of the cooling box according to the present invention;
FIG. 5 is a schematic diagram of the front view of the vibrating rail of the present invention;
fig. 6 is a schematic view of the internal structure of the vibrating rail according to the present invention.
In the figure: 1. a feeding belt; 2. an equipment rack; 3. a discharge plate; 4. a feed belt; 5. a cooling fluid assembly; 6. a combined electromagnetic system; 7. recovering the pump group; 8. a return pipe; 9. a cooling box; 10. a pickling section; 11. a pressurized pump group; 12. a control tube group; 13. a flushing section; 14. a driving motor; 15. drawing the filter cabinet; 16. a slag bin; 17. a sedimentation tank; 18. a circulating pump group; 19. a sealing plate; 20. screening the mesh belt; 21. magnetic selecting sections; 22. a vibration motor; 23. a receiving roller; 24. a spray pipe; 25. a high pressure nozzle; 26. a steering roller; 27. a collecting hopper; 28. a screen assembly; 29. a soaking pool; 30. a rail pinch roller; 31. a discharge port; 32. a vibrating rail; 33. a screen; 34. a connecting belt; 35. screening holes; 36. a striker plate; 37. a multi-faceted wheel; 38. a spring sleeve plate; 39. an elastic convex belt; 40. a connecting shaft; 41. a water drenching pipe; 42. a water return sleeve; 43. a heat radiating pipe; 44. a drain pipe; 45. a liquid inlet pipe; 46. a flow guiding pipe; 47. a liquid storage cavity.
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 description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 6, the circulating cooling high gradient magnetic separation screening machine of this embodiment includes a machine frame 2, a combined electromagnetic system 6 installed on the machine frame 2, and a cooling liquid component 5 installed on the combined electromagnetic system 6, the machine frame 2 is a frame structure supported by a plurality of supporting legs, the combined electromagnetic system 6 is an existing electromagnetic device, and adopts a neodymium iron boron permanent magnet material, the inner side can generate a strong magnetic field, and the strong magnetic field needs to consume more electric energy and generate more heat, so that corresponding cooling liquid needs to be configured for cooling treatment, the cooling liquid component 5 includes a cooling liquid storage component, a suction pump, a control valve, and the like, the front and rear parts of the combined electromagnetic system 6 form a portal structure, actually, the front and rear electromagnetic systems form an opening at the same time as the lower part of the combined electromagnetic system, the strong magnetic field is located at the inner side, one side of the machine frame 2 is provided with a feeding belt 4, the feeding belt 4 has longer actual length or travel, is used for the directional conveying operation of ores to be magnetically separated, a magnetic selection section 21, a pickling section 10 and a flushing section 13 are sequentially arranged on the equipment frame 2 far away from the feeding belt 4, and correspond to the technological operations of ore magnetic separation, soft magnetic soaking blanking, magnetic high-pressure flushing and the like, one side of the magnetic selection section 21 is provided with an inlet, the tail part of the feeding belt 4 is arranged at the inner side of the inlet, so that the ores conveyed by the feeding belt 4 directly enter the magnetic selection section 21 through the inlet, the front surface and the rear surface of the magnetic selection section 21 are provided with openings, the combined electromagnetic system 6 is arranged in the openings, under the condition that the combined electromagnetic system 6 is formed by a front part and a rear part, the combined electromagnetic system 6 is conveniently led into the magnetic selection section 21 through the front opening and the rear opening of the magnetic selection section 21, after being arranged by bolts and the like, the cooling liquid component 5 is retained outside the equipment frame 2, the inside of the magnetic selecting section 21, the soaking section 10 and the flushing section 13 are jointly provided with the screening mesh belt 20, the screening mesh belt 20 is in actual circulation movement through the inside of the magnetic selecting section 21, the soaking section 10 and the flushing section 13, the screening mesh belt 20 is in circulation movement through the inside of the combined electromagnetic system 6, the inside of the soaking section 10, the inside of the flushing section 13, the lower part of the soaking section 10 and the inside of the combined electromagnetic system 6, so that in the whole circulation movement process, the screening mesh belt 20 has two parts which are simultaneously positioned in the inside of the combined electromagnetic system 6 to form an up-down matching effect, the vibrating rail 32 is arranged between the inner wall of the combined electromagnetic system 6 and the screening mesh belt 20, and the vibrating rail 32 provides required vibrating force for the screening mesh belt 20 under the condition that the screening mesh belt 20 is pulled by external force so as to meet the requirement of vibration screening; the washing section 13 adjacent to the screening mesh belt 20 is internally provided with a washing component, the screening mesh belt 20 is subjected to up-down washing operation, the bottom end of the washing section 13 is provided with a sedimentation tank 17, the washing section 13 is communicated with the sedimentation tank 17 up and down, washed magnetic ore can be accepted and collected, the inside of the sedimentation tank 17 below the screening mesh belt 20 is detachably provided with a filtering component, the filtering component can filter the washed ore, the water body continuously flows downwards, thereby the filtered water body is stored below the filtering component, the circulation effect of the water body is favorably completed, the outer surface of the sedimentation tank 17 below the filtering component is provided with a circulating pump set 18, the actual input end of the circulating pump set 18 is communicated with the inside of the sedimentation tank 17 below the filtering component through a pipeline, the filtered water body can be pressurized and pumped and conveyed outwards, the top of the equipment frame 2 is provided with a cooling tank 9, a liquid outlet of the cooling liquid component 5 is connected with the bottom end of the cooling tank 9 through the pipeline, the used cooling liquid can be directionally discharged, the cooling liquid is subjected to cooling operation by the cooling tank 9, the circulating pump set is connected with the top end of the cooling tank 9 through the pipeline, the cooling mechanism is arranged in the cooling tank 9, and the cooling liquid is supplied with the cooling water source is supplied to the cooling water by the cooling mechanism.
Specifically, the flushing assembly includes a spray pipe 24 and a high-pressure spray nozzle 25, the spray pipe 24 is installed inside the flushing section 13 adjacent to the screening mesh belt 20, the spray pipe 24 can be provided with a plurality of groups so as to achieve a sufficient flushing effect, at least two groups of spray pipes 24 are required to be installed at the upper and lower positions of the screening mesh belt 20 respectively, a plurality of high-pressure spray nozzles 25 are installed on the surface of the spray pipe 24, the high-pressure spray nozzles 25 are arranged towards the screening mesh belt 20, and if necessary, the high-pressure spray nozzles 25 and the screening mesh belt 20 can be arranged in a middle vertical position so as to achieve the flushing effect to the high-pressure spray nozzles 25.
Further, the filter component comprises a drawing port, a filter screen component 28 and a drawing filter cabinet 15, the drawing port is arranged on the surface of the sedimentation tank 17, the size of the drawing port is moderate, the drawing filter cabinet 15 is detachably arranged on the inner side of the drawing port through a sliding rail, an elastic sealing gasket can be additionally arranged on the side edge of the drawing filter cabinet 15, the side elastic sealing gasket of the drawing filter cabinet 15 can tightly prop against the inner wall of the sedimentation tank 17 adjacent to the drawing port when the size of the drawing filter cabinet 15 needs to pass through the drawing port, the sealing effect is achieved, the filter screen component 28 is arranged on the inner side of the drawing filter cabinet 15, at least an upper layer of filter screen and a lower layer of filter screen are arranged on the filter screen component 28, and a filter filler such as a compound filler such as quartz stone, activated carbon is arranged on the inner side of the filter screen, so that filtered ores are positioned above or inside the filter screen component 28. Therefore, in order to clean the filtered fine ore conveniently, the drawing-out filter cabinet 15 and the sedimentation tank 17 are required to be sealed enough and have a detachable function.
Further, the soaking section 10 is internally provided with a soaking tank 29, the inside is filled with rinsing water, weak magnetic substances can be soaked and are promoted to be separated from the screening mesh belt 20, the surface of the soaking section 10 is detachably provided with a sealing plate 19, the sealing plate 19 is provided with a slag discharging pipe by means of a sealing piece and a bolt piece, the slag discharging pipe is provided with a valve, the rinsing water can be replaced or the deposited weak magnetic substances can be discharged after the slag discharging pipe is opened, and in addition, a liquid feeding pipe is arranged on the soaking section 10, so that the rinsing water can be conveniently supplemented.
Further, a receiving roller 23 is installed in the combined electromagnetic system 6 at one side of the vibrating rail 32, the receiving roller 23 is positioned below the tail part of the feeding belt 4, the receiving roller 23 is matched with the screening net belt 20, the screening net belt 20 is wound on the receiving roller 23, ore conveyed on the feeding belt 4 directly falls on the screening net belt 20 through an opening at the side edge of the combined electromagnetic system 6 when the screening net belt 20 reciprocates, a track pinch roller 30 is installed in a soaking tank 29 above the screening net belt 20, the track pinch roller 30 is similar to a barbell structure and consists of a rotating shaft and two side wheel bodies installed on the rotating shaft, the two side wheel bodies are concave wheels, the two side wheels can press down two sides of the screening net belt 20 without influencing the conveying of ore and the like, the track pinch roller 30 presses the screening net belt 20 downwards, the screening net belt 20 is enabled to contact with rinse water in the soaking tank 29, a steering roller 26 is installed in a flushing section 13 below the flushing assembly, the screening mesh belt 20 is wound on the turning roll 26, thereby the screening mesh belt 20 is driven to turn, a driving motor 14 is arranged on the surface of the flushing section 13 adjacent to the turning roll 26, an output shaft of the driving motor 14 is connected with the turning roll 26, a high-power stepping motor is needed to be selected for the driving motor 14 so as to provide a required power source for the movement of the whole screening mesh belt 20, in addition, roll bodies are needed to be additionally arranged on two sides of the track pinch roller 30 so as to support the screening mesh belt 20, the height of the turning roll 26 is lower than that of the receiving roll 23, therefore, the screening mesh belt 20 moving from the turning roll 26 towards the receiving roll 23 is from low to high, the clearance between the magnetic separation section 21 and the screening mesh belt 20 is smaller, and after ore is screened once by the screening mesh belt 20 on the upper part, the ore contacts with the screening mesh belt 20 on the lower part and carries out secondary screening, because of the downward height difference of the screening mesh belt 20 from left to right, the ore which is not screened in time can be obliquely far away from the bearing roller 23 by gravity, and because the gap between the magnetic selecting section 21 and the screening mesh belt 20 is small, the ore is detained in the magnetic selecting section 21 to perform slower screening operation.
Further, the collecting hopper 27 is installed to the inside wall of the flushing section 13 adjacent to the turning roll 26, the opening of the collecting hopper 27 faces upwards, the scraping plate is installed at the top end of the collecting hopper 27, the gap between the top end of the scraping plate and the screening mesh belt 20 on the turning roll 26 is smaller, the possible residual impurities can be scraped while the screening mesh belt 20 turns, large-particle ores screened out by the screening mesh belt 20 or scraped impurities can directly fall into the collecting hopper 27 to be collected, the slag bin 16 is installed on the side surface of the flushing section 13 far away from the feeding belt 4, the top of the slag bin 16 is mutually communicated with the bottom of the collecting hopper 27, the large-particle ores and the like are directly stored, the door plate is arranged on the slag bin, and the collected ores are discharged after the slag bin is conveniently opened, so that the subsequent recycling is facilitated.
Further, the convection cooling mechanism comprises a liquid inlet pipe 45, a water spraying pipe 41, a water return sleeve 42, a liquid storage cavity 47 and a radiating pipe 43, wherein the liquid storage cavity 47 is arranged on the inner side wall of the cooling box 9, so that the whole cooling box 9 is divided into an inner layer and an outer layer, the liquid storage cavity 47 is used for storing cooled cooling liquid, the liquid inlet pipe 45 is arranged at the bottom end of the cooling box 9, the liquid inlet pipe 45 is connected with the cooling liquid component 5 through a pipeline and can convey the cooling liquid to be cooled into the cooling box 9, the diameter of the liquid inlet pipe 45 is larger, the top end of the liquid inlet pipe 45 extends into the cooling box 9 through the liquid storage cavity 47, a plurality of radiating pipes 43 are arranged at the top end of the liquid inlet pipe 45 through a pipeline, the actual diameter of the radiating pipe 43 is smaller and the quantity is larger, and the cooling liquid conveyed by the liquid inlet pipe 45 can be subjected to split treatment, the tail ends of the radiating pipes 43 are jointly provided with a water return sleeve 42, the water return sleeve 42 conducts and connects the tail ends of all the radiating pipes 43, the water return sleeve 42 conducts with the inside of the radiating pipes 43, cooled cooling liquid intensively flows into the water return sleeve 42, a flow guide pipe 46 is conducted and arranged between the water return sleeve 42 and a liquid storage cavity 47, the cooling liquid flowing into the water return sleeve 42 can continuously flow into the liquid storage cavity 47 for storage through the flow guide pipe 46, a water spray pipe 41 is arranged in a cooling box 9 above the water return sleeve 42, a plurality of spray heads are arranged on a pipe row of the water spray pipe 41, the water spray pipe 41 is connected with the output end of a circulating pump group 18, cold water can be received and sprayed and cooled by the spray heads on the radiating pipes 43 on the inner side of the water return sleeve 42 below, and the cold water can be accumulated in the inner cavity 9 of the cooling box 47; the cooling box 9 inside the liquid storage cavity 47 is internally provided with a drain pipe 44, the drain pipe 44 extends to the outside of the cooling box 9, the water body after heat exchange can be discharged outwards, the tail end of the drain pipe 44 is provided with a pressurizing pump set 11 for pressurizing the water body, the output end of the pressurizing pump set 11 is provided with a control pipe set 12, the actual control pipe set 12 is formed by combining a pipeline, a valve and the like, the pressurized water body can be discharged in a directional manner, and the tail end of the control pipe set 12 is connected with a flushing assembly to provide a required flushing water body source for the flushing assembly; the internally mounted of reservoir 47 has back flow 8, and the one end of back flow 8 extends cooling tank 9, and back flow 8 outwards discharges the coolant liquid after with the cooling, and recovery pump unit 7 is installed to the extension of back flow 8, and the output of recovery pump unit 7 is connected with coolant liquid subassembly 5, and recovery pump unit 7 is to the coolant liquid after pressurizing with the help of circulation pipeline backward flow for coolant liquid subassembly 5.
Further, the vibrating rails 32 are used in parallel in pairs, for performing simultaneous limiting and vibrating operations on the front end and the rear end of the screening mesh belt 20, openings are formed in opposite surfaces and two end surfaces of the two vibrating rails 32, the front and the rear parts of the screening mesh belt 20 can be conveniently inserted into the vibrating rails 32, the openings in the end surfaces are convenient for the screening mesh belt 20 to enter and exit the vibrating rails 32, the baffle plates 36 are installed at the upper and the lower positions of the openings in the opposite surfaces of the vibrating rails 32, the end parts of the baffle plates 36 are smooth, the upper baffle plates 36 are elastically sleeved with the spring sleeve plates 38, the actual elastic performance of the spring sleeve plates 38 is good, deformation is easy under a stress state, the upper and the lower telescopic motions are further performed relative to the baffle plates 36, elastic convex belts 39 are installed on the upper and the lower wall surfaces of the inside of the vibrating rails 32, the elastic convex belts 39 extend and are distributed along the vibrating rails 32, the upper and the lower two opposite surfaces are relatively parallel, the upper and the lower surfaces are made of elastic materials, and a plurality of semicircular convex blocks are uniformly arranged on the opposite surfaces of the two parallel elastic convex belts 39.
Further, screening guipure 20 comprises a plurality of screen cloth 33 and a plurality of connecting band 34, install connecting band 34 between the upper surface of screen cloth 33 itself adjacent two screen cloth 33, dispose magnetic medium material part on the screen cloth 33 itself, can produce sufficient electromagnetic field after passing through combination electromagnetic system 6, and then carry out the screening treatment of magnetic separation to the ore, the screen cloth 33 is the screening hole 35 of a plurality of funnel form that carries on, the screening hole 35 is wide from top to bottom and the middle part aperture is less, the pore body part in middle part is the mesh that really realizes the screening, and when screening out the magnetic or magnetic conductivity substance of great size, the material can be held in the screening hole 35 of funnel form, especially when screening guipure 20 upwards moves through accepting roller 23, the ore that adsorbs is held in screening hole 35, avoid because of accepting roller 23 extrusion leads to the ore whereabouts, connecting axle 40 are all installed to the both ends of screen cloth 33, the connecting axle 40 size is less, under the circumstances that exists a plurality of connecting axle 40, and connecting axle 40 all install on the connecting axle 37 and the vibration wheel 37 is the multiple boss 37 and the vibration wheel 39 is the vibration of the multiple side of the multiple boss of the vibration structure that need to be the vibration of its own, the multiple boss 39 is provided with the elastic force, the vibration effect is like, the multiple boss 39 is provided for the vibration of the boss structure and is the multiple boss 39 is contacted with the elastic surface of its own elastic surface.
Further, the bottom of the magnetic selecting section 21 is provided with the discharging plate 3, at this time, the bottom of the whole magnetic selecting section 21 is opened, the opening which is opened needs to be shielded by the discharging plate 3, the discharging plate 3 is obliquely arranged downwards, in the magnetic separation screening process, the downward material is guided downwards through the discharging plate 3, the connection part of the discharging plate 3 and the magnetic selecting section 21 needs to be reinforced, the bottom end of the discharging plate 3 is provided with the vibrating motor 22, the vibrating motor 22 acts on the discharging plate 3, the discharging plate 3 can be promoted to perform vibrating discharging, the discharging opening 31 is arranged at the lower part of the discharging plate 3, the downward guided material is directly led into the discharging opening 31 to be led out, the feeding belt 1 is actually arranged on the equipment rack 2 below the discharging opening 31, the feeding belt 1 can support the material which falls upwards through the discharging opening 31, and is further conveyed to a specific direction, and in order to ensure that the material accurately falls on the feeding belt 1 or prevent the material from overflowing, and the baffle components can be additionally arranged at two sides of the feeding belt 1.
The application method of the embodiment comprises the following steps: in the actual use process of the whole magnetic separation screening machine, the magnetic separation screening machine is different from the existing vertical ring high gradient magnetic separation machine, the ore conveyed by the feeding belt 1 is solid, and the size value of the ore particles is in a relatively large range. After ore to be screened is conveyed into the magnetic separation section 21 through the feeding belt 1, the combined electromagnetic system 6 is started to generate a high gradient electromagnetic field, the screening mesh belts 20 of the upper part and the lower part in the combined electromagnetic system 6 are simultaneously subjected to the electromagnetic field, high magnetic field intensity and magnetic field gradient are generated after the screening mesh belts 20 are magnetized, the ore to be screened directly falls on the screening mesh belt 20 above, when the turning roll 26 drives the screening mesh belt 20 to move clockwise, the tension force of the screening mesh belt 20 moves forwards, simultaneously, the multi-face wheels 37 at the two ends of each screen 33 in the combined electromagnetic system 6 continuously impact with the elastic convex belts 39, the generated vibration force is transmitted to the screen 33 to promote the vibration of the screen 33, so that the ore on the screen 33 is subjected to vibration screening, the small-particle ore is led out from the screening holes 35 in the screening process, the large-particle ore is still on the screen 33, and the ore is magnetically attracted on the screen 33 due to the elastic shielding effect of the spring sleeve plate 38 in the whole screening process, and the ore cannot enter the inside the vibration rail 32. The screening mesh 20 continues to convey the large-particle ore and magnetically permeable or magnetic ore forward, after passing through the pickling section 10, the screen 33 is no longer subjected to a strong magnetic field, whereby the weakly magnetic ore is separated from the screen 33 and stored in the pickling tank 29. In this case, in order to prevent large-particle ore from falling into the soaking tank 29 from the screening net 20, a baffle plate and the like should be added to the soaking tank 29 on both sides of the screening net 20. After the screening mesh belt 20 enters the flushing section 13, the high-pressure spray head 25 is opposite to the screening mesh belt 20 to flush away the magnetic material, the magnetic material is stored in the sedimentation tank 17 for storage, and after the large-particle ore continues to be conveyed forward to the vicinity of the turning roller 26, the large-particle ore directly falls into the collecting hopper 27 for collection due to self weight. In the whole flushing process, the water body temperature used for flushing is higher, the water body filtered by the precipitation tank 17 enters the cooling tank 9 after being conveyed by a pipeline and cooled to a certain extent, a required cold water source is provided for cooling the cooling liquid used by the cooling liquid component 5, the temperature of the cooled water body is increased, and the high-pressure spray head 25 is directly provided for flushing through the drain pipe 44, the pressurizing pump group 11 and the control pipe group 12, so that the water body circulation effect is achieved. In the case of a low magnetic substance content in the ore to be screened, after a certain time, the pull and push filter cabinet 15 can be removed by the staff, the filter screen assembly 28 can be cleaned, and the stored ore can be collected during the cleaning process. After the washed screening mesh belt 20 enters the magnetic separation section 21 again through the lower part of the pickling section 10, the screening mesh belt 20 at the position becomes a lower screening mesh belt 20 in the combined electromagnetic system 6, the lower screening mesh belt 20 is magnetized and then receives the ore screened by the upper screening mesh belt 20, because the lower screening mesh belt 20 is obliquely downwards arranged, the ore falls on the lower discharge plate 3 after being screened and magnetically sucked for the second time, the discharge plate 3 performs discharge treatment, and the ore falling downwards is limited on the screen 33 for continuous screening and magnetically sucked operation, so that the whole screening and magnetic separation process needs to be carried out twice, and small-particle ore, weak-magnetic ore, magnetically sucked ore and large-particle ore can be directly screened in the whole process, and various screening effects are met.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a recirculated cooling high gradient magnetic separation screening machine, includes equipment rack (2), installs combination electromagnetism system (6) on equipment rack (2) and installs coolant liquid subassembly (5) on combination electromagnetism system (6), two parts constitute a style of calligraphy structure around combination electromagnetism system (6), its characterized in that: a feeding belt (4) is arranged on one side of the equipment rack (2), a magnetic selection section (21), a pickling section (10) and a flushing section (13) are sequentially arranged on the equipment rack (2) far away from the feeding belt (4), an inlet is formed in one side of the magnetic selection section (21), the tail part of the feeding belt (4) is arranged on the inner side of the inlet, openings are formed in the front surface and the rear surface of the magnetic selection section (21), a combined electromagnetic system (6) is arranged in the openings, a screening mesh belt (20) is jointly arranged in the magnetic selection section (21), the pickling section (10) and the flushing section (13), the screening mesh belt (20) forms circular motion through the inside of the combined electromagnetic system (6), the inside of the pickling section (10), the lower part of the pickling section (10) and the inside of the combined electromagnetic system (6), and a vibrating rail (32) is arranged between the inner wall of the combined electromagnetic system (6) and the screening mesh belt (20);
the washing section (13) internally mounted who is adjacent screening guipure (20) has washing subassembly, and precipitation tank (17) are installed to the bottom of washing section (13), the inside detachable filter module of installing of precipitation tank (17) of screening guipure (20) below, precipitation tank (17) surface mounting of filter module below has circulating pump group (18), cooling tank (9) are installed at the top of equipment rack (2), the leakage fluid dram of cooling liquid subassembly (5) is connected with the bottom of cooling tank (9) through the pipeline, and the output of circulating pump group (18) is connected with the top of cooling tank (9) through the pipeline, the internally mounted of cooling tank (9) has convection cooling mechanism.
2. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the flushing assembly comprises a spraying pipe (24) and high-pressure spray nozzles (25), the spraying pipe (24) is arranged inside a flushing section (13) adjacent to the screening mesh belt (20), a plurality of high-pressure spray nozzles (25) are arranged on the surface of the spraying pipe (24), and the high-pressure spray nozzles (25) are distributed towards the screening mesh belt (20).
3. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the filter assembly comprises a drawing port, a filter screen assembly (28) and a drawing filter cabinet (15), the surface of the sedimentation tank (17) is provided with the drawing port, the drawing filter cabinet (15) is detachably arranged on the inner side of the drawing port through a sliding rail, and the filter screen assembly (28) is arranged on the inner side of the drawing filter cabinet (15).
4. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the inside of the pickling section (10) is provided with a soaking tank (29), the surface of the pickling section (10) is detachably provided with a sealing plate (19), and the sealing plate (19) is provided with a slag discharging pipe.
5. The recirculated cooled high gradient magnetic separation screen of claim 4, wherein: the combined electromagnetic system (6) on one side of the vibrating rail (32) is internally provided with a receiving roller (23), the receiving roller (23) is positioned below the tail part of the feeding belt (4), the receiving roller (23) is matched with the screening mesh belt (20), a track pinch roller (30) is arranged in a soaking pool (29) above the screening mesh belt (20), a steering roller (26) is arranged in a flushing section (13) below the flushing assembly, a driving motor (14) is arranged on the surface of the flushing section (13) adjacent to the steering roller (26), an output shaft of the driving motor (14) is connected with the steering roller (26), and the height of the steering roller (26) is lower than that of the receiving roller (23).
6. The recirculated cooled high gradient magnetic separation screen of claim 5, wherein: and a collecting hopper (27) is arranged on the inner side wall of the flushing section (13) adjacent to the steering roller (26), a scraper is arranged at the top end of the collecting hopper (27), a slag box (16) is arranged on the side surface of the flushing section (13) far away from the feeding belt (4), and the top of the slag box (16) is communicated with the bottom of the collecting hopper (27).
7. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the convection cooling mechanism comprises a liquid inlet pipe (45), a water spraying pipe (41), a water return sleeve (42), a liquid storage cavity (47) and a radiating pipe (43), wherein the liquid storage cavity (47) is arranged on the inner side wall of the cooling box (9), the liquid inlet pipe (45) is arranged at the bottom end of the cooling box (9), the liquid inlet pipe (45) is connected with a cooling liquid component (5) through a pipeline, the top end of the liquid inlet pipe (45) extends to the inside of the cooling box (9) through the liquid storage cavity (47), a plurality of radiating pipes (43) are arranged at the top end of the liquid inlet pipe (45) through a pipeline, the water return sleeve (42) is jointly arranged at the tail end of the radiating pipe (43), the water return sleeve (42) is communicated with the inside of the radiating pipe (43), a guide pipe (46) is arranged between the water return sleeve (42) and the liquid storage cavity (47), the water spraying pipe (41) is arranged at the inside of the cooling box (9) above the water return sleeve (42), and the water spraying pipe (41) is connected with the output end of a circulating pump set (18);
a drain pipe (44) is arranged in the cooling box (9) at the inner side of the liquid storage cavity (47), the drain pipe (44) extends to the outer side of the cooling box (9), a pressurizing pump set (11) is arranged at the tail end of the drain pipe (44), a control pipe set (12) is arranged at the output end of the pressurizing pump set (11), and the tail end of the control pipe set (12) is connected with a flushing assembly;
the inside of liquid storage cavity (47) is installed back flow (8), and the one end of back flow (8) extends cooling tank (9), and recovery pump package (7) are installed to the extension end of back flow (8), and the output of recovery pump package (7) is connected with coolant liquid subassembly (5).
8. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the vibration rails (32) are used in parallel in pairs, openings are formed in opposite faces and two end faces of the two vibration rails (32), the upper and lower positions of the openings of the opposite faces of the vibration rails (32) are provided with baffle plates (36), the upper baffle plates (36) are elastically sleeved with spring sleeve plates (38), and the upper and lower wall surfaces of the interior of the vibration rails (32) are provided with elastic convex belts (39).
9. The recirculated cooled high gradient magnetic separation screen of claim 8, wherein: the screening net belt (20) is composed of a plurality of screens (33) and a plurality of connecting belts (34), the connecting belts (34) are arranged between the upper surfaces of two adjacent screens (33), the screens (33) are provided with a plurality of funnel-shaped screening holes (35) in a vertical conduction mode, connecting shafts (40) are arranged at two ends of each screen (33), and multi-face wheels (37) are arranged on each connecting shaft (40).
10. The recirculated cooled high gradient magnetic separation screen of claim 1, wherein: the bottom of magnetic separation section (21) is installed and is arranged in board (3), and board (3) slant sets up downwards, and vibrating motor (22) are installed to the bottom of board (3), and the lower part of board (3) is provided with bin outlet (31), installs pay-off area (1) on equipment rack (2) of bin outlet (31) below.
CN202311147936.2A 2023-09-07 2023-09-07 Circulation cooling high gradient magnetic separation screening machine Active CN116871048B (en)

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