Electromagnetic iron remover
By combining air cooling and oil cooling in the electromagnetic separator, and using spiral air pipes and oil pipes to cool the coil, the problem of poor coil cooling effect in large equipment is solved, and the service life of the equipment is extended.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
Existing dry powder electromagnetic separators suffer from poor coil cooling in large-scale equipment, leading to overheating and affecting their service life.
A combination of air cooling and oil cooling is used, with spiral air pipes and oil pipes installed in the heat dissipation cavity to cool the coils respectively.
This greatly improves the cooling effect and extends the service life of the electromagnetic separator.
Smart Images

Figure CN224025252U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an electromagnetic iron remover belongs to electromagnetic iron remover technical field. BACKGROUND
[0002] For the dry powder such as quartz sand, potassium sodium feldspar, lithium battery positive and negative material and other materials in the industry of dressing, ceramics, new energy battery, iron impurities such as metal iron or stainless steel iron and other materials are mixed in the production process, and the quality of the material is seriously affected by the iron impurities. At present, the dry powder electromagnetic iron remover is commonly used in the industry, which has the characteristics of high magnetic field strength, large magnetic field gradient and strong adsorption force for iron impurities, and can well remove the iron impurities in the treated material, so as to purify the dry powder treated material. The dry powder electromagnetic iron remover uses the magnetic field that exists and disappears alternately to make the iron impurities in the treated material receive or not receive the magnetic adsorption, so as to discharge the dry powder material and the iron impurities in turn, and achieve the purpose of screening and removing the iron impurities.
[0003] The commonly used oil-cooled electromagnetic iron remover has small volume, high magnetic field strength and wide application range, but due to the large winding amount of the coil, especially for large electromagnetic iron remover, the diameter of the coil is increased, and the cooling effect of the cooling oil is poor. When the iron remover works intensively, the coil is overheated, which affects the service life.
[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. INVENTION CONTENTS
[0005] The utility model discloses a kind of electromagnetic iron removers for the deficiency in background art, can be set in spiral air pipe in heat dissipation cavity, coil is cooled by the way of air cooling and oil cooling is combined, greatly increase cooling effect, prolong the service life of iron remover.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions:
[0007] An electromagnetic iron remover, comprising a ring-shaped shell, a core is vertically installed in the middle position of the shell, an inner coil, a middle coil and an outer coil are sequentially wound outside the core from inside to outside, an annular inner heat dissipation cavity is formed between the inner coil and the middle coil, an annular middle heat dissipation cavity is formed between the middle coil and the outer coil, and an annular outer heat dissipation cavity is formed between the outer coil and the inner wall of the shell.
[0008] A spiral air pipe is arranged in each of the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity, and the spiral air pipe is arranged in a spiral shape along the axial direction. The air inlet end of the spiral air pipe is connected with the air blower.
[0009] Further, the upper end and the lower end of the inner coil, the middle coil and the outer coil inside the shell are respectively provided with an upper cover plate and a lower cover plate;
[0010] The side of the upper cover plate and the lower cover plate facing the coil is provided with a plurality of annular plug-in plates, the annular plug-in plates are installed at the two ends of the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity, and the upper cover plate and the lower cover plate are respectively provided with a second oil hole corresponding to the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity.
[0011] Further, the side of the upper cover plate and the lower cover plate away from the coil is respectively provided with three annular partition plates at intervals, the top of the annular partition plate abuts against the inner wall of the shell, the three annular partition plates are arranged at the end of the inner coil, the middle coil and the outer coil, and the first oil hole is arranged on the three annular partition plates.
[0012] Further, the shell at the position of the innermost annular partition plate of the upper cover plate is provided with an oil inlet, and the shell at the position of the outermost annular partition plate of the lower cover plate is provided with an oil outlet.
[0013] Further, the oil inlet and the oil outlet are connected with an oil pipe, and the oil pipe is connected with a radiator and an oil pump in series.
[0014] Further, the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity are respectively provided with a spiral partition plate.
[0015] Further, the spiral air pipe is wound between the adjacent partition plates of the spiral partition plate.
[0016] Further, the air inlet branch pipe is connected with the air inlet main pipe, and the end of the air inlet main pipe is provided with a blower.
[0017] Further, the air outlet end of the spiral air pipe penetrates through the lower end side wall of the shell and is connected with the atmosphere.
[0018] Compared with the prior art, the above technical scheme has the following advantages:
[0019] The inner coil, the middle coil and the outer coil are arranged in the shell, the upper end and the lower end of the inner coil, the middle coil and the outer coil inside the shell are respectively provided with an upper cover plate and a lower cover plate, the side of the upper cover plate and the lower cover plate facing the coil is provided with a plurality of annular plug-in plates, the annular plug-in plates are installed at the two ends of the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity, and the upper cover plate and the lower cover plate are respectively provided with a second oil hole corresponding to the inner heat dissipation cavity, the middle heat dissipation cavity and the outer heat dissipation cavity.
[0020] The utility model is described in detail below in combination with the drawings and examples. DRAWINGS
[0021] Figure 1Is the structural schematic diagram of the utility model;
[0022] Figure 2 Is Figure 1 The enlarged view of A in the middle.
[0023] In the figure,
[0024] 1 - shell, 2 - core, 3 - inner coil, 4 - intermediate coil, 5 - outer coil, 6 - inner heat dissipation cavity, 7 - intermediate heat dissipation cavity, 8 - outer heat dissipation cavity, 9 - upper cover plate, 10 - lower cover plate, 11 - annular plug-in board, 12 - annular partition, 13 - first oil hole, 14 - spiral partition, 15 - spiral air pipe, 16 - air inlet branch pipe, 17 - air inlet main pipe, 18 - blower, 19 - radiator, 20 - oil pump, 21 - second oil hole, 22 - oil pipe. Specific embodiments
[0025] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific embodiments of the utility model will be explained by referring to the drawings.
[0026] As Figures 1-2 Indicated, the utility model provides a kind of electromagnetic iron remover, including annular shell 1, vertical installation is positioned in shell 1, and the inner coil 3, intermediate coil 4 and outer coil 5 are sequentially wound with core 2 outer side from inside to outside, and the inner coil 3 and intermediate coil 4 form annular inner heat dissipation cavity 6, and intermediate coil 4, with outer coil 5 form annular intermediate heat dissipation cavity 7, and outer coil 5 and shell 1 inner wall form annular outer heat dissipation cavity 8.
[0027] Cooling oil circulates in inner heat dissipation cavity 6, intermediate heat dissipation cavity 7 and outer heat dissipation cavity 8;In inner heat dissipation cavity 6, intermediate heat dissipation cavity 7 and outer heat dissipation cavity 8 respectively are equipped with one spiral air pipe 15, and the spiral air pipe 15 is spirally arranged along the axial direction, and the air inlet end of spiral air pipe 15 is connected with blower 18.
[0028] The upper end and the lower end of inner coil 3, intermediate coil 4 and outer coil 5 located in shell 1 are respectively provided with upper cover plate 9 and lower cover plate 10, and the side of upper cover plate 9 and lower cover plate 10 facing coil is equipped with a plurality of annular plug-in boards 11, the annular plug-in board 11 is installed at both ends of inner heat dissipation cavity 6, intermediate heat dissipation cavity 7 and outer heat dissipation cavity 8, and the second oil hole 21 is equipped in the corresponding place of upper cover plate 9 and lower cover plate 10 with inner heat dissipation cavity 6, intermediate heat dissipation cavity 7 and outer heat dissipation cavity 8.Cooling oil enters the upper end of heat dissipation cavity from the second oil hole 21 on upper cover plate 9, and the cooling oil at the lower end of heat dissipation cavity flows out from the second oil hole 21 on lower cover plate 10 to form the circulation of cooling oil, and the coil is cooled.The annular plug-in board 11 plays the role of positioning coil, and is convenient to install.
[0029] Three annular partitions 12 are respectively arranged at the side of the upper cover plate 9 and the lower cover plate 10 away from the coil, the top of the annular partition 12 abuts against the inner wall of the shell 1, the three annular partitions 12 are correspondingly arranged at the end of the inner coil 3, the middle coil 4 and the outer coil 5, and the first oil passing holes 13 are arranged on the three annular partitions 12.
[0030] An oil inlet is arranged at the position of the innermost annular partition 12 of the upper cover plate 9 of the shell 1, and an oil outlet is arranged at the position of the outermost annular partition 12 of the lower cover plate 10 of the shell 1.
[0031] The cooling oil enters the upper end of the coil from the oil inlet, the first oil passing holes 13 are arranged on the annular partition 12 of the upper end, so that the cooling oil can flow downwards from the upper end of the inner heat dissipation cavity 6, the middle heat dissipation cavity 7 and the outer heat dissipation cavity 8, and finally flows out of the oil outlet through the first oil passing holes 13 on the annular partition 12 of the lower end.
[0032] The oil pipe 22 is connected between the oil inlet and the oil outlet, and the radiator 19 and the oil pump 20 are connected in series on the pipe section of the oil pipe 22.
[0033] The inner heat dissipation cavity 6, the middle heat dissipation cavity 7 and the outer heat dissipation cavity 8 are all provided with a spiral partition 14, the cooling oil flows downwards along the spiral space formed by adjacent partitions of the spiral partition 14, so that the cooling oil can flow more uniformly through the heat dissipation cavities, and the cooling effect is better.
[0034] The spiral air pipe 15 is coiled between adjacent partitions of the spiral partition 14.
[0035] The air inlet end of the spiral air pipe 15 is connected with the air inlet branch pipe 16, the air inlet branch pipe 16 is connected with the air inlet main pipe 17, and the air inlet main pipe 17 is provided with the air blower 18 at the end, and the air outlet end of the spiral air pipe 15 penetrates through the lower end side wall of the shell 1 and is connected with the atmosphere. The air blower 18 continuously sends air into the spiral air pipe 15 to cool the cooling oil inside, greatly increases the cooling effect, and prolongs the service life of the iron remover.
[0036] The above is the example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.
Claims
1. An electromagnetic tramp iron remover characterised in that: The application relates to a shell (1) with a ring shape, a core (2) vertically arranged in the middle of the shell (1), an inner coil (3), a middle coil (4) and an outer coil (5) sequentially wound outside the core (2) from inside to outside, an annular inner heat dissipation cavity (6) formed between the inner coil (3) and the middle coil (4), an annular middle heat dissipation cavity (7) formed between the middle coil (4) and the outer coil (5), and an annular outer heat dissipation cavity (8) formed between the outer coil (5) and the inner wall of the shell (1). A spiral air pipe (15) is arranged in each of the inner heat dissipation cavity (6), the middle heat dissipation cavity (7) and the outer heat dissipation cavity (8), and the spiral air pipe (15) is arranged in a spiral shape along the axial direction.
2. An electromagnetic iron remover as claimed in claim 1, characterized in that: Upper cover plates (9) and lower cover plates (10) are arranged at the upper ends and the lower ends of the inner coil (3), the middle coil (4) and the outer coil (5) in the shell (1). A plurality of annular plug-in plates (11) are arranged on the sides of the upper cover plates (9) and the lower cover plates (10) facing the coils, the annular plug-in plates (11) are arranged at the two ends of the inner heat dissipation cavity (6), the middle heat dissipation cavity (7) and the outer heat dissipation cavity (8), and the second oil through holes (21) are arranged at the positions corresponding to the inner heat dissipation cavity (6), the middle heat dissipation cavity (7) and the outer heat dissipation cavity (8) of the upper cover plates (9) and the lower cover plates (10).
3. An electromagnetic iron remover as claimed in claim 2, characterized in that: Three annular partition plates (12) are arranged at intervals on the sides of the upper cover plates (9) and the lower cover plates (10) away from the coils, the top portions of the annular partition plates (12) abut against the inner wall of the shell (1), the three annular partition plates (12) are arranged at the ends of the inner coil (3), the middle coil (4) and the outer coil (5), and the first oil through holes (13) are arranged on the three annular partition plates (12).
4. An electromagnetic iron remover as claimed in claim 3, characterized in that: An oil inlet is arranged at the position of the innermost annular partition plate (12) of the upper cover plate (9) in the shell (1), and an oil outlet is arranged at the position of the outermost annular partition plate (12) of the lower cover plate (10) in the shell (1).
5. An electromagnetic iron remover as claimed in claim 4, characterized in that: An oil pipe (22) is connected between the oil inlet and the oil outlet, and the radiator (19) and the oil pump (20) are connected in series on the pipe section of the oil pipe (22).
6. An electromagnetic iron remover as claimed in claim 1, characterized in that: A spiral partition plate (14) is arranged in each of the inner heat dissipation cavity (6), the middle heat dissipation cavity (7) and the outer heat dissipation cavity (8).
7. An electromagnetic iron remover as claimed in claim 6, characterized in that: The spiral air pipe (15) is wound between the adjacent partition plates of the spiral partition plate (14).
8. An electromagnetic iron remover as claimed in claim 1, characterized in that: The air inlet branch pipe (16) is connected to the air inlet end of the spiral air pipe (15), the air inlet branch pipe (16) is connected to the air inlet main pipe (17), and the air blower (18) is arranged at the end of the air inlet main pipe (17).
9. An electromagnetic iron remover as claimed in claim 8, characterized in that: The air outlet end of the spiral air pipe (15) is arranged to pass through the lower end side wall of the shell (1) and is connected to the atmosphere.