Double-pulse demagnetizer

By combining a dual-coil parallel design with an oscillating circuit of a flat copper coil, a high-current, high-power annular strong magnetic field was achieved, solving the problems of low power and weak magnetic field of existing single-coil demagnetizers and meeting the high-efficiency demagnetization requirements of ore dressing plants.

CN223956402UActive Publication Date: 2026-02-27WEIFANG HUATANG MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520797918.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-27
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing single-coil demagnetizers have low power and weak magnetic fields, making it difficult to meet the needs of mineral processing plants for high current, high power, and strong magnetic fields, especially for vanadium-titanium ore and pyrite processing plants.

Method used

It adopts a dual-coil design, with the first and second coils connected in parallel to form a strong ring magnetic field. Rapid charging and discharging are achieved through a capacitor bank in conjunction with a flat copper coil and an oscillation circuit. The current flow is optimized by a PLC module to form an extremely high demagnetizing magnetic field, and the output power can reach 22kW.

Benefits of technology

It achieves high current and high power demagnetization effect, forming an extremely high demagnetizing magnetic field, which meets the high-efficiency demagnetization needs of mineral processing plants.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a double-pulse demagnetizer, which belongs to the technical field of demagnetizing equipment and comprises a pipe body, a demagnetizing coil is wound on the pipe body and comprises a first coil and a second coil, the first coil and the second coil are arranged in parallel and share a first terminal and a second terminal, and the first terminal and the second terminal are connected in parallel. The device is mainly used for ore pulp of a dressing plant, is provided with pipeline-type flat copper double coils, rapidly charges and discharges a capacitor bank under the cooperation of an oscillation circuit, enables the double coils to work simultaneously, adjusts the double coils according to the permutation and combination optimization principle of a magnetic system, operates in the optimal current flow direction, and forms an annular strong magnetic field; meanwhile, the tolerance of a control system and a demagnetizing coil is improved, and an extremely high demagnetizing magnetic field is formed by strong current and high power, so that a good demagnetizing effect is achieved, and the maximum output power can reach 22kw.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a demagnetizer, specifically to a double pulse demagnetizer, belongs to demagnetization equipment technical field. BACKGROUND

[0002] The ore dressing plant ore pulp demagnetizer has a power frequency demagnetizer, a medium frequency demagnetizer and a high frequency demagnetizer, wherein the power frequency demagnetizer and the medium frequency demagnetizer have been eliminated by the market.

[0003] The high frequency pulse demagnetizer is a single coil demagnetizer itself, and the harmonic wave demagnetizer is a double coil demagnetizer, but in the working process, two coils are alternately worked, that is, one coil works, and one coil rests and radiates heat, and it is actually a single coil demagnetizer with one coil working.

[0004] Based on this situation, the ore dressing market urgently needs a high current, high power, strong magnetic field and good demagnetizer, which is the inevitable demand of the ore dressing market. SUMMARY

[0005] The utility model solves the technical problem in the prior art, provides a double pulse demagnetizer, and two coils work simultaneously to form a ring-shaped strong magnetic field.

[0006] In order to solve the above technical problems, the utility model adopts the technical scheme as follows: a double pulse demagnetizer, including the pipe body, the pipe body is wound with the demagnetizing coil, the demagnetizing coil includes the first coil and the second coil, the first coil and the second coil are connected in parallel, and the first coil and the second coil share the first terminal and the second terminal.

[0007] As a further improvement of the above technical scheme:

[0008] The demagnetizing coil is a flat copper coil.

[0009] The both ends of the pipe body are respectively provided with flanges.

[0010] The demagnetizing coil is electrically connected with a control circuit, and the control circuit includes an oscillation circuit connected with a capacitor group.

[0011] The capacitor group is electrically connected with the demagnetizing coil.

[0012] The capacitor group is composed of C1, C2, C3, C4 and C5 in parallel.

[0013] The capacitor group is connected with a current transformer between the demagnetizing coil.

[0014] The capacitor group is electrically connected with a PLC module, and the model of the PLC module is S7-200 SMART SR20.

[0015] The oscillation circuit is connected with a reactor BT, and the strong magnetic field of the demagnetizer eliminates electromagnetic interference on external equipment.

[0016] The oscillation circuit is connected with a power indicator light HR1.

[0017] The utility model discloses adopt above technical scheme, and has the following advantages: the utility model mainly is used for the ore dressing plant ore pulp, the shape is pipeline type, and the flat copper double coil works simultaneously under the cooperation of the oscillation circuit, and the double coil is adjusted according to the magnetic system arrangement combination optimization principle to run with the best current flow direction, and forms annular strong magnetic field, simultaneously, the control system and the demagnetizing coil's tolerance are improved, with high current high power, form extremely high demagnetizing magnetic field, thereby reach good demagnetizing effect, and the output power can reach 22kw at most.

[0018] The utility model will be further described below in connection with the drawings and examples. DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of a double pulse demagnetizer in the utility model embodiment;

[0020] Figure 2 It is the circuit diagram of control circuit in the utility model embodiment.

[0021] In the drawing: 1 - pipe body, 2 - flange, 3 - first coil, 4 - second coil, 5 - first terminal, 6 - second terminal, 7 - oscillation circuit, 8 - PLC module. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model embodiment will be clearly and completely described below in connection with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection. EMBODIMENT

[0023] As Figure 1As shown in the figure, a double pulse demagnetizer comprises a tube body 1, flanges 2 are arranged at two ends of the tube body 1 respectively, a demagnetizing coil is wound on the tube body 1, the demagnetizing coil comprises a first coil 3 and a second coil 4, the first coil 3 and the second coil 4 are arranged in parallel, the first coil 3 and the second coil 4 share a first terminal 5 and a second terminal 6, and the demagnetizing coil is a flat copper coil.

[0024] The flanges 2 are loop flanges, which are convenient for butt joint with original pipelines; or the pipelines can be provided with flat flanges at two ends, which are suitable for being arranged on original ore slurry pipelines.

[0025] The demagnetizing coil is electrically connected with a control circuit, such as Figure 2 As shown in the figure, the control circuit comprises an oscillation circuit 7, the oscillation circuit 7 is connected with a capacitor group, the capacitor group is composed of C1, C2, C3, C4 and C5 in parallel, the capacitor group is electrically connected with the demagnetizing coil, under the cooperation of the oscillation circuit 7, the capacitor group is rapidly charged and discharged, the double coils work at the same time, and a ring-shaped strong magnetic field is formed; a current transformer is connected between the capacitor group and the demagnetizing coil; the capacitor group is electrically connected with a PLC module 8, and the model of the PLC module 8 is S7-200 SMART SR20.

[0026] The oscillation circuit 7 is further connected with a reactor BT and a power indicator lamp HR1.

[0027] The utility model mainly is used for ore dressing plant ore slurry, shape is pipeline type, flat copper double coil, under the cooperation of the oscillation circuit, the capacitor group is rapidly charged and discharged, the double coils work at the same time, the double coils are adjusted according to the magnetic system arrangement combination optimization principle, and the best current flow direction is operated, and a ring-shaped strong magnetic field is formed; simultaneously, the control system and the demagnetizing coil are improved the tolerance, with high current and high power, form extremely high demagnetizing magnetic field, thereby reach good demagnetizing effect, and the maximum output power can reach 22kw.

[0028] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A double pulse demagnetizer characterized by: The application relates to a demagnetization coil, which comprises a pipe body (1) and a demagnetization coil wound on the pipe body (1), wherein the demagnetization coil comprises a first coil (3) and a second coil (4), the first coil (3) and the second coil (4) are arranged in parallel, and the first coil (3) and the second coil (4) share a first terminal (5) and a second terminal (6).

2. A double pulse demagnetizer according to claim 1, characterized in that: The demagnetization coil is a flat copper coil.

3. A double pulse demagnetizer according to claim 2, characterized in that: The pipe body (1) is respectively provided with flanges (2) at two ends.

4. A double pulse de-exciters according to one of claims 1-3, characterized in that: The demagnetization coil is electrically connected with a control circuit, the control circuit comprises an oscillation circuit (7), and the oscillation circuit (7) is connected with a capacitor group.

5. A double pulse demagnetizer according to claim 4, characterized in that: The capacitor group is electrically connected with the demagnetization coil.

6. A double pulse demagnetizer according to claim 5, characterized in that: The capacitor group is composed of C1, C2, C3, C4 and C5 in parallel.

7. A double pulse demagnetizer according to claim 6, characterized in that: A current transformer is connected between the capacitor group and the demagnetization coil.

8. A double pulse de-exciters according to claim 7, characterized in that: The capacitor group is electrically connected with a PLC module (8), and the model of the PLC module (8) is S7-200 SMART SR20.

9. A double pulse demagnetizer according to claim 8, characterized in that: The oscillation circuit (7) is connected with a reactor BT.

10. A double pulse demagnetizer according to claim 9, characterized in that: The oscillation circuit (7) is connected with a power indicator lamp HR1.