Static elimination device for metal powder

By installing a copper liner and an ion fan system on the inner wall of the storage tank, positive and negative ions are generated using the conductive structure of the copper sheet and corona discharge to neutralize static electricity, thus solving the risk of dust explosion caused by static electricity accumulation during the transfer of metal powder and improving production efficiency and safety.

CN224111354UActive Publication Date: 2026-04-10ANHUI MINGGU LASER INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI MINGGU LASER INTELLIGENT EQUIP TECH CO LTD
Filing Date
2025-04-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During the production, transportation, storage and processing of metal powders, static electricity is generated due to friction and collision between particles and between particles and equipment surfaces, which leads to obstruction of powder flow and the risk of spark discharge, especially in enclosed environments where there is a risk of dust explosion.

Method used

The system employs a copper lining on the inner wall of the storage tank and an ion fan system. Positive and negative ions are generated through the conductive structure of the copper sheet and corona discharge to neutralize static electricity. The airflow diffuses the ions to neutralize the static charge, reducing the risk of static electricity accumulation.

Benefits of technology

It effectively reduces the risk of dust explosion caused by static electricity accumulation during the transfer of metal powder, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a metal powder static electricity eliminating device which comprises a storage box, a copper lining is fixedly installed on the inner wall of the storage box, a plurality of copper sheets are fixedly installed on the front side and the rear side of the inner wall of the copper lining, and an L-shaped copper sheet penetrating to the top of the storage box is fixedly installed on the top of the front wall of the copper lining. The outer part of the L-shaped copper sheet is L-shaped, and a plurality of vertical copper sheets are fixedly mounted at the top of the L-shaped copper sheet; according to the metal powder static electricity eliminating device, the storage box and the copper lining are used for storing and transferring metal powder, in the transferring process, static electricity generated by the metal powder can be guided to the multiple vertical copper sheets through the L-shaped copper sheets, the ion fan operates to generate positive and negative ions through corona discharge, airflow is generated to diffuse the ions to the vertical copper sheets, electrostatic charges are neutralized, and the static electricity is eliminated. Static electricity in the storage box and the copper lining is released, and the risk of dust explosion caused by static electricity accumulation of metal powder is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electrostatic elimination technical field, concretely is a kind of metal powder electrostatic elimination device. BACKGROUND

[0002] In modern industry, metal powder (such as aluminum powder, magnesium powder, titanium powder, etc.) is widely used in 3D printing, powder metallurgy, surface coating, battery material and other fields, however, metal powder is easy to produce static electricity due to frequent friction and collision between particles and between particles and equipment surface during production, transportation, storage and processing.

[0003] Metal powder particles are charged due to frequent friction and collision with the inner wall of the transfer equipment during transfer, and the charged metal powder particles are easy to be adsorbed on the surface of the equipment or the inner wall of the pipeline, which causes the powder flow to be blocked, thereby affecting the production efficiency; at the same time, static electricity continues to accumulate to a certain threshold, which can cause spark discharge, and in a closed operating environment, such spark discharge can cause dust explosion, which is a major safety hazard, therefore, a metal powder electrostatic elimination device is particularly proposed to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a metal powder electrostatic elimination device to overcome the deficiencies of the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A metal powder electrostatic elimination device, comprising a storage box, a copper lining is fixedly installed on the inner wall of the storage box, a plurality of copper sheets are fixedly installed on the front and rear sides of the inner wall of the copper lining, an L-shaped copper sheet is fixedly installed on the top of the front wall of the copper lining and penetrates through the top of the storage box, the outer part of the L-shaped copper sheet is L-shaped, a plurality of vertical copper sheets are fixedly installed on the top of the L-shaped copper sheet, two angle codes are welded on the top of the storage box, both of the angle codes are located on the left side of the L-shaped copper sheet, an ion fan is fixedly installed between the two angle codes through bolts, and the blowing end of the ion fan faces the plurality of vertical copper sheets.

[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0008] Further, a material pouring cover is fixedly installed on the back of the storage box close to the top thereof, and the material pouring cover penetrates into the interior of the copper lining.

[0009] Further, a circular pipe is fixedly installed on the bottom of the storage box, the circular pipe is connected with the storage box and the copper lining, and a butterfly valve is fixedly installed on the bottom of the circular pipe.

[0010] Further, the support frame is fixedly installed on the bottom of the storage box, and four universal wheels are fixedly installed on the bottom of the support frame.

[0011] Further, the top cover is fixedly installed on the top of the storage box, and the top cover is sleeved with the L-shaped copper sheet, the vertical copper sheet and the ion fan.

[0012] Further, the surface of the storage box is provided with a storage battery, and the storage battery is electrically connected with the ion fan.

[0013] Compared with the prior art, the beneficial effects of the present application are that the storage box and the copper lining are used for storing and transferring metal powder, in the transferring process, static electricity generated by the metal powder is guided to the plurality of vertical copper sheets through the L-shaped copper sheet, the ion fan generates positive and negative ions through corona discharge, and generates airflow to diffuse the ions to the vertical copper sheets, neutralize the static charge, so that the static electricity in the storage box and the copper lining is released, and the risk of dust explosion caused by static electricity accumulation of the metal powder is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is one perspective structural schematic view of the metal powder static electricity elimination device.

[0015] Figure 2 It is another perspective structural schematic view of the metal powder static electricity elimination device.

[0016] Figure 3 It is a partial cross-sectional structural schematic view of the metal powder static electricity elimination device.

[0017] Figure 4 It is an explosion structural schematic view of the metal powder static electricity elimination device.

[0018] In the drawings, the components represented by the numbers are listed as follows:

[0019] 1, storage box; 2, copper lining; 3, copper sheet; 4, L-shaped copper sheet; 5, vertical copper sheet; 6, corner code; 7, ion fan; 8, unloading cover; 9, round pipe; 10, butterfly valve; 11, support frame; 12, universal wheel; 13, top cover; 14, storage battery. DETAILED DESCRIPTION

[0020] The principles and characteristics of the present application are described below in combination with the drawings, and the examples are only used to explain the present application, and are not used to limit the scope of the present application.

[0021] Example 1, as Figures 1-4As shown, a metal powder electrostatic elimination device, comprising a storage box 1, the inner wall of the storage box 1 is fixedly installed with a copper lining 2, the inner wall of the copper lining 2 is fixedly installed with a plurality of copper sheets 3 on the front and back sides, the front wall of the copper lining 2 is fixedly installed with an L-shaped copper sheet 4 penetrating to the top of the storage box 1, the outside of the L-shaped copper sheet 4 is L-shaped, the top of the L-shaped copper sheet 4 is fixedly installed with a plurality of vertical copper sheets 5, the top of the storage box 1 is welded with two angle codes 6, the two angle codes 6 are both located on the left side of the L-shaped copper sheet 4, and an ion fan 7 is fixedly installed between the two angle codes 6 through bolts, and the blowing end of the ion fan 7 faces the plurality of vertical copper sheets 5.

[0022] The storage box 1 and the copper lining 2 are used for storing and transferring metal powder, and the static electricity generated by the metal powder in the copper lining 2 during transfer can be guided to the plurality of vertical copper sheets 5 through the L-shaped copper sheet 4, at this time, the plurality of copper sheets 3 installed on the inner wall of the copper lining 2 can increase the contact area between the copper lining 2 and the static electricity, so as to improve the discharge efficiency of the static electricity, the ion fan 7 generates positive and negative ions through corona discharge, and generates airflow to diffuse the ions to the plurality of vertical copper sheets 5 on the top of the L-shaped copper sheet 4, so as to neutralize the static charge, at this time, the static electricity in the storage box 1 and the copper lining 2 is released, thereby effectively reducing the risk of dust explosion caused by static accumulation of metal powder during transfer.

[0023] Embodiment 2, as shown, this embodiment is a further improvement based on embodiment 1, which is as follows: Figures 1-4

[0024] The back of the storage box 1 is fixedly installed with a pouring cover 8 close to the top of the storage box 1, and the pouring cover 8 penetrates to the inside of the copper lining 2.

[0025] In this way, the pouring cover 8 installed can guide the metal powder into the inside of the storage box 1 and the copper lining 2 for storage.

[0026] Embodiment 3, as shown, this embodiment is a further improvement based on embodiment 1, which is as follows: Figures 1-4

[0027] The bottom of the storage box 1 is fixedly installed with a circular pipe 9, the circular pipe 9 is connected with the storage box 1 and the copper lining 2, and the bottom of the circular pipe 9 is fixedly installed with a butterfly valve 10.

[0028] In this way, the circular pipe 9 installed can guide the metal powder in the inside of the storage box 1 and the copper lining 2 to the outside for use, and the manual operation of the butterfly valve 10 can control the flow state of the circular pipe 9.

[0029] Embodiment 4, as shown, this embodiment is a further improvement based on embodiment 1, which is as follows: Figures 1-4 ​​​

[0030] The support frame 11 is fixedly installed outside the storage box 1 near the bottom of the storage box 1, and the bottom of the support frame 11 is fixedly installed with four universal wheels 12.

[0031] In this way, the bottom of the storage box 1 can be supported by the installed support frame 11, and the device and the metal powder can be transferred by the sliding of the four installed universal wheels 12 on the ground.

[0032] Embodiment 5, as shown in the figure, this embodiment is a further improvement on the basis of embodiment 1, which is as follows: Figures 3-4

[0033] The top cover 13 is fixedly installed on the top of the storage box 1, and the top cover 13 is sleeved outside the L-shaped copper sheet 4, the vertical copper sheet 5 and the ion fan 7.

[0034] In this way, the top of the L-shaped copper sheet 4, the vertical copper sheet 5 and the ion fan 7 can be protected by the installed top cover 13.

[0035] Embodiment 6, as shown in the figure, this embodiment is a further improvement on the basis of embodiment 1, which is as follows: Figures 2-4

[0036] The surface of the storage box 1 is provided with a storage battery 14, and the storage battery 14 is electrically connected with the ion fan 7.

[0037] In this way, the ion fan 7 can be powered by the installed storage battery 14.

[0038] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.​​

Claims

1. A metal powder electrostatic elimination device comprising a storage tank (1), characterized in that: The inner wall of the storage box (1) is fixedly installed with a copper lining (2), the front and rear sides of the inner wall of the copper lining (2) are fixedly installed with a plurality of copper sheets (3), the top of the front wall of the copper lining (2) is fixedly installed with an L-shaped copper sheet (4) penetrating to the top of the storage box (1), the outer part of the L-shaped copper sheet (4) is L-shaped, the top of the L-shaped copper sheet (4) is fixedly installed with a plurality of vertical copper sheets (5), the top of the storage box (1) is welded with two angle codes (6), both of the two angle codes (6) are located on the left side of the L-shaped copper sheet (4), and an ion fan (7) is fixedly installed between the two angle codes (6) through bolts, and the blowing end of the ion fan (7) faces the plurality of vertical copper sheets (5).

2. A metal powder electrostatic elimination device according to claim 1, characterized in that: The back of the storage box (1) is fixedly installed with a pouring cover (8) close to the top thereof, and the pouring cover (8) penetrates to the inside of the copper lining (2).

3. The metal powder electrostatic elimination device of claim 1, wherein: The bottom of the storage box (1) is fixedly installed with a circular pipe (9), the circular pipe (9) is connected with the storage box (1) and the copper lining (2) in a penetrating manner, and the bottom of the circular pipe (9) is fixedly installed with a butterfly valve (10).

4. The metal powder electrostatic elimination device of claim 1, wherein: The bottom of the storage box (1) is fixedly installed with a support frame (11) close to the bottom thereof, and the bottom of the support frame (11) is fixedly installed with four universal wheels (12).

5. The metal powder electrostatic elimination device of claim 1, wherein: The top of the storage box (1) is fixedly installed with a top cover (13), and the top cover (13) is sleeved outside the L-shaped copper sheet (4), the vertical copper sheet (5) and the ion fan (7).

6. A metal powder electrostatic elimination device according to claim 1, characterized in that: The surface of the storage box (1) is provided with a storage battery (14), and the storage battery (14) is electrically connected with the ion fan (7). The surface of the storage box (1) is provided with a storage battery (14), and the storage battery (14) is electrically connected with the ion fan (7).