Nano copper powder storage device

By using a combination of electric heating tubes to heat the thermal oil and servo motors to drive the stirring blades in the nano-copper powder storage device, along with a vent pipe and a liquid ring vacuum pump filtration system, the problem of moisture being difficult to remove during the storage of nano-copper powder is solved, achieving effective dehumidification and dust removal, and ensuring the dryness of the storage environment and the flowability of the powder.

CN223962612UActive Publication Date: 2026-03-03JIANGSU HANQIAO NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520223043.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-03-03
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Existing nano-copper powder storage devices are prone to powder clumping due to moisture during long-term storage, and existing heating devices cannot effectively dry internal moisture, especially moisture in deeper areas.

Method used

The heat transfer oil is heated by an electric heating tube in the heating tank. The nano-copper powder is stirred by a servo motor that drives the gears and stirring blades to rotate. Moisture is discharged through the vent pipe, and dust is filtered by a liquid ring vacuum pump and a filter box, achieving comprehensive dehumidification and dust removal.

Benefits of technology

It effectively prevents the agglomeration of nano copper powder, ensures that internal moisture is fully dried, reduces dust during material feeding, provides a suitable storage environment, and improves storage efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of nanometer copper powder storage, in particular to a nanometer copper powder storage device which comprises a storage tank and a heating tank, the heating tank is installed on the outer surface of the storage tank, and a connecting pipe a is installed in a bearing on the upper surface of the storage tank. The top end of the connecting pipe a communicates with one end of the feeding pipe through a rotating connector, a rotating assembly is arranged on the outer surface of the connecting pipe a, heat conduction oil in the heating tank is heated through the electric heating pipe, the heat conduction oil heats and dehumidifies the interior of the storage tank, and a proper storage environment is provided for nano copper powder. The servo motor a drives the gear b and the gear a to rotate, the gear a rotates to drive the connecting pipe a and the stirring blade to rotate, the stirring blade stirs the nano copper powder in the storage tank, moisture-containing air evaporating the nano copper powder is discharged out of the storage tank through the ventilation pipe, and the problems that existing nano copper powder cannot be fully heated and dried, and moisture in the deep position is inconvenient to discharge are solved.
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Description

Technical Field

[0001] This utility model relates to the field of nano-copper powder storage technology, specifically to a nano-copper powder storage device. Background Technology

[0002] Nano copper powder is a type of copper powder with a particle size between 1 and 100 nanometers. It has an extremely large specific surface area and unique physicochemical properties. It typically appears as a purplish-brown or purplish-black powder and is widely used in the production of microelectronic devices and the manufacture of multilayer ceramic capacitors.

[0003] During long-term storage of nano-copper powder, the storage device may become damp. Prolonged dampness inside the storage device can cause the powder to clump together. In the existing technology, external heating devices are generally used to heat the inside for dehumidification. However, this prevents the powder from being fully heated and dried, and makes it difficult for moisture deep inside to be expelled. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a nano-copper powder storage device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a nano-copper powder storage device, comprising a storage tank and a heating tank. The heating tank is installed on the outer surface of the storage tank. A connecting pipe a is installed in the bearing on the upper surface of the storage tank. The top end of the connecting pipe a is connected to one end of the feed pipe via a rotating joint. A rotating component is provided on the outer surface of the connecting pipe a. Two discharge ports are respectively opened on the front and back of the connecting pipe a. Several stirring blades are fixedly connected to the left and right sides of the connecting pipe a. The upper surface of the heating tank is connected to one end of the liquid inlet pipe. The lower surface of the heating tank is connected to one end of the liquid outlet pipe. The lower surface of the storage tank is connected to one end of the discharge pipe a. A lifting frame is fixedly connected to the back of the heating tank. A moving groove is opened on the back of the inner wall of the lifting frame. A lifting component is provided inside the moving groove. The front and back of the inner wall of the lifting frame are slidably connected to the front and back of the diversion pipe, respectively. A dust removal component is provided on the back of the lifting frame. Several electric heating tubes are installed on the lower surface of the inner wall of the heating tank.

[0006] Preferably, the rotating assembly includes a gear a mounted on the outer surface of the connecting pipe a, the outer surface of the gear a meshing with the outer surface of the gear b, the upper surface of the gear b being fixedly connected to the output shaft of the servo motor a, and the servo motor a being mounted on the upper surface of the storage tank.

[0007] Preferably, a spiral blade is fixedly connected to the lower surface of the connecting pipe a, the outer surface of the spiral blade is slidably connected to the inner wall of the discharge pipe a, and a flap valve is installed on the outer surface of the discharge pipe a.

[0008] Preferably, a vent pipe is installed on the upper surface of the storage tank, and a sealing plug is inserted into the inner wall of the vent pipe.

[0009] Preferably, the lifting assembly includes a servo motor b installed on the lower surface of the inner wall of the moving slot. The output shaft of the servo motor b is fixedly connected to the bottom end of the screw, and the top end of the screw is rotatably connected to the upper surface of the inner wall of the moving slot. A threaded sleeve is threadedly connected to the outer surface of the screw, and a diverter pipe is fixedly connected to the front side of the threaded sleeve.

[0010] Preferably, the dust removal assembly includes a liquid ring vacuum pump installed on the back of the lifting frame. The suction end of the liquid ring vacuum pump is connected to the upper surface of the distribution pipe through a suction pipe a. Two connecting pipes b are symmetrically installed on the front of the distribution pipe, and several suction pipes b are symmetrically installed on the opposite side of the two connecting pipes b. The exhaust end of the liquid ring vacuum pump is connected to the upper surface of the filter box through an exhaust pipe. A filter box is inserted into the inside of the filter box.

[0011] Preferably, a temperature and humidity detection device is installed on the right side of the heating tank.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention uses an electric heating element to heat the heat-conducting oil inside the heating tank. The heat-conducting oil heats and dehumidifies the inside of the storage tank, providing a suitable storage environment for the nano-copper powder. A servo motor a drives gear b and gear a to rotate. The rotation of gear a drives the connecting pipe a and the stirring blade to rotate. The stirring blade stirs the nano-copper powder inside the storage tank. The humid air that evaporates the nano-copper powder is discharged from the storage tank through the vent pipe. This invention solves the problems of existing nano-copper powder not being able to be fully heated and dried, and the difficulty in removing moisture from deeper parts of the tank.

[0014] In this invention, a servo motor b drives a screw to rotate, which in turn moves a threaded sleeve and a distribution pipe. During feeding or discharging, a liquid ring vacuum pump extracts copper powder dust through a suction pipe a, a distribution pipe, a connecting pipe b, and a suction pipe b. The dust is then discharged into a filter box through an exhaust pipe. The filter box inside the filter box filters the dust-laden gas in the air. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the lifting frame in this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the heating tank and the storage tank in this utility model;

[0019] In the diagram: 1. Heating tank; 2. Storage tank; 3. Drain pipe; 4. Inlet pipe; 5. Connecting pipe a; 6. Feed pipe;

[0020] Rotating components: 71. Gear a; 72. Gear b; 73. Servo motor a;

[0021] 8. Agitator blades; 9. Discharge port; 10. Spiral blades; 11. Discharge pipe a; 12. Flip valve; 13. Heating element; 14. Temperature and humidity detection equipment; 15. Lifting frame; 16. Moving trough;

[0022] Lifting components: 171, servo motor b; 172, screw; 173, threaded sleeve;

[0023] Dust removal components: 181. Liquid ring vacuum pump; 182. Extraction pipe a; 183. Diverter pipe; 184. Connecting pipe b; 185. Extraction pipe b; 186. Exhaust pipe;

[0024] 19. Filter box; 20. Filter housing; 21. Vent pipe; 22. Sealing plug. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] Please see Figures 1-3This utility model provides the following technical solution: a nano-copper powder storage device, comprising a storage tank 2 and a heating tank 1. The heating tank 1 is installed on the outer surface of the storage tank 2. A connecting pipe a5 is installed in the bearing on the upper surface of the storage tank 2. The top end of the connecting pipe a5 is connected to one end of the feed pipe 6 through a rotating joint. A rotating component is provided on the outer surface of the connecting pipe a5. Two discharge ports 9 are respectively opened on the front and back of the connecting pipe a5. Several stirring blades 8 are fixed to the left and right sides of the connecting pipe a5. The upper surface of the heating tank 1 is connected to the liquid inlet pipe. One end of the heating tank 1 is connected to the drain pipe 3. The lower surface of the heating tank 1 is connected to one end of the drain pipe 3. The lower surface of the storage tank 2 is connected to one end of the discharge pipe a11. A lifting frame 15 is fixed to the back of the heating tank 1. A moving groove 16 is opened on the back of the inner wall of the lifting frame 15. A lifting component is installed inside the moving groove 16. The front and back of the inner wall of the lifting frame 15 are slidably connected to the front and back of the diversion pipe 183, respectively. A dust removal component is installed on the back of the lifting frame 15. Several electric heating tubes 13 are installed on the lower surface of the inner wall of the heating tank 1.

[0028] Specifically, the rotating assembly includes a gear a71 mounted on the outer surface of the connecting pipe a5, the outer surface of the gear a71 meshing with the outer surface of the gear b72, the upper surface of the gear b72 being fixedly connected to the output shaft of the servo motor a73, and the servo motor a73 being mounted on the upper surface of the storage tank 2.

[0029] Servo motor a73 drives gears b72 and a71 to rotate. The rotation of gear a71 drives the connecting pipe a5 and the stirring blade 8 to rotate. The stirring blade 8 stirs the nano copper powder inside the storage tank 2.

[0030] Specifically, a spiral blade 10 is fixed to the lower surface of the connecting pipe a5, the outer surface of the spiral blade 10 is slidably connected to the inner wall of the discharge pipe a11, and a flap valve 12 is installed on the outer surface of the discharge pipe a11.

[0031] The rotation of connecting pipe a5 drives the rotation of spiral blade 10, reducing the feeding speed of nano copper powder and reducing dust generated during feeding.

[0032] Specifically, a vent pipe 21 is installed on the upper surface of the storage tank 2, and a sealing plug 22 is inserted into the inner wall of the vent pipe 21.

[0033] The humid air containing the evaporated nano-copper powder is discharged from the storage tank 2 through the vent pipe 21;

[0034] In daily use, the vent pipe 21 is sealed by the sealing plug 22.

[0035] Specifically, the lifting assembly includes a servo motor b171 installed on the lower surface of the inner wall of the moving slot 16. The output shaft of the servo motor b171 is fixedly connected to the bottom end of the screw 172, the top end of the screw 172 is rotatably connected to the upper surface of the inner wall of the moving slot 16, and a threaded sleeve 173 is threadedly connected to the outer surface of the screw 172. A diverter pipe 183 is fixedly connected to the front side of the threaded sleeve 173.

[0036] Servo motor b171 drives screw 172 to rotate, and the rotation of screw 172 drives threaded sleeve 173 and diverter pipe 183 to move. During feeding or discharging, connecting pipe b184 and air extraction pipe b185 are extended to the dust-generating area to extract dust-laden air.

[0037] Specifically, the dust removal assembly includes a liquid ring vacuum pump 181 installed on the back of the lifting frame 15. The suction end of the liquid ring vacuum pump 181 is connected to the upper surface of the diversion pipe 183 through the suction pipe a182. Two connecting pipes b184 are symmetrically installed on the front of the diversion pipe 183, and several suction pipes b185 are symmetrically installed on the opposite side of the two connecting pipes b184. The exhaust end of the liquid ring vacuum pump 181 is connected to the upper surface of the filter box 19 through the exhaust pipe 186. A filter box 20 is inserted into the inside of the filter box 19.

[0038] The liquid ring vacuum pump 181 extracts copper powder dust through the extraction pipe a182, the diversion pipe 183, the connecting pipe b184 and the extraction pipe b185, and discharges it into the filter box 19 through the exhaust pipe 186. The filter box 20 in the filter box 19 filters the dust-laden gas in the air.

[0039] Specifically, a temperature and humidity detection device 14 is installed on the right side of the heating tank 1;

[0040] The temperature and humidity of the nano-copper powder inside the storage tank 2 are detected by the temperature and humidity detection device 14.

[0041] Working principle and usage process of this utility model:

[0042] In use, this utility model is as follows:

[0043] Heat transfer oil is injected into the heating tank 1 through the inlet pipe 4. The electric heating element 13 heats the heat transfer oil inside the heating tank 1. The heat transfer oil heats and dehumidifies the inside of the storage tank 2, providing a suitable storage environment for the nano-copper powder. The nano-copper powder is discharged into the storage tank 2 through the feed pipe 6 and the connecting pipe a5. The servo motor a73 drives the gears b72 and a71 to rotate. The rotation of gear a71 drives the connecting pipe a5 and the stirring blade 8 to rotate. The stirring blade 8 stirs the nano-copper powder inside the storage tank 2, preventing the nano-copper powder from clumping during storage. The rotation of the connecting pipe a5 drives the spiral blade 10 to rotate, reducing the feeding speed of the nano copper powder and reducing dust. The servo motor b171 drives the screw 172 to rotate, and the rotation of the screw 172 drives the threaded sleeve 173 and the diverter pipe 183 to move. During feeding or discharging, the liquid ring vacuum pump 181 extracts copper powder dust through the suction pipe a182, the diverter pipe 183, the connecting pipe b184 and the suction pipe b185, and discharges it into the filter box 19 through the exhaust pipe 186. The filter box 20 in the filter box 19 filters the dust-laden gas in the air.

[0044] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0045] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A nano-copper powder storage device, comprising a storage tank (2) and a heating tank (1), characterized in that: The outer surface of the storage tank (2) is provided with a heating tank (1), the inner bearing of the upper surface of the storage tank (2) is provided with a connecting pipe a (5), the top end of the connecting pipe a (5) is connected with one end of the feeding pipe (6) through a rotating joint, the outer surface of the connecting pipe a (5) is provided with a rotating assembly, the front and back surfaces of the connecting pipe a (5) are respectively provided with two discharge ports (9), the left and right surfaces of the connecting pipe a (5) are respectively fixedly connected with a plurality of stirring blades (8), the upper surface of the heating tank (1) is connected with one end of the liquid inlet pipe (4), the lower surface of the heating tank (1) is connected with one end of the liquid outlet pipe (3), the lower surface of the storage tank (2) is connected with one end of the discharge pipe a (11), the back surface of the heating tank (1) is fixedly connected with a lifting frame (15), the back surface of the inner wall of the lifting frame (15) is provided with a moving groove (16), the inside of the moving groove (16) is provided with a lifting assembly, the front and back surfaces of the inner wall of the lifting frame (15) are respectively and slidably connected with the front and back surfaces of the shunt pipe (183), the back surface of the lifting frame (15) is provided with a dust removal assembly, and the lower surface of the inner wall of the heating tank (1) is provided with a plurality of electric heating pipes (13).

2. The nano-copper powder storage device according to claim 1, characterized in that: The rotating assembly comprises a gear a (71) mounted on the outer surface of the connecting pipe a (5), the outer surface of the gear a (71) is engaged with the outer surface of a gear b (72), the upper surface of the gear b (72) is fixedly connected with the output shaft of a servo motor a (73), and the servo motor a (73) is mounted on the upper surface of the storage tank (2).

3. The nano-copper powder storage device according to claim 1, wherein: The lower surface of the connecting pipe a (5) is fixedly connected with a spiral blade (10), the outer surface of the spiral blade (10) is slidably connected with the inner wall of the discharge pipe a (11), and the outer surface of the discharge pipe a (11) is mounted with a flap valve (12).

4. The nano-copper powder storage device according to claim 1, wherein: The upper surface of the storage tank (2) is mounted with a vent pipe (21), and the inner wall of the vent pipe (21) is inserted with a blocking plug (22).

5. The nano-copper powder storage device according to claim 1, wherein: The lifting assembly comprises a servo motor b (171) mounted on the lower surface of the inner wall of the moving groove (16), the output shaft of the servo motor b (171) is fixedly connected with the bottom end of a screw rod (172), the top end of the screw rod (172) is rotatably connected with the upper surface of the inner wall of the moving groove (16), the outer surface of the screw rod (172) is threadedly connected with a threaded sleeve (173), and the front surface of the threaded sleeve (173) is fixedly connected with the shunt pipe (183).

6. The nano-copper powder storage device according to claim 1, wherein: The dust removal assembly comprises a liquid ring vacuum pump (181) mounted on the back surface of the lifting frame (15), the air suction end of the liquid ring vacuum pump (181) is connected with the upper surface of the shunt pipe (183) through an air suction pipe a (182), two connecting pipes b (184) are symmetrically mounted on the front surface of the shunt pipe (183), a plurality of air suction pipes b (185) are symmetrically mounted on the opposite side of the two connecting pipes b (184), the air exhaust end of the liquid ring vacuum pump (181) is connected with the upper surface of a filter box (19) through an air exhaust pipe (186), and the inside of the filter box (19) is inserted with a filter box (20).

7. The nano-copper powder storage device according to claim 1, wherein: The right side of the heating tank (1) is provided with a temperature and humidity detection device (14).