Corrosion-resistant graphite carbon nanotube pickling equipment

By using corrosion-resistant baffles and electric rotary tables in the graphite carbon nanotube pickling equipment, the tank can be tilted and the inner wall can be cleaned 360°, which solves the equipment corrosion problem, improves the equipment's corrosion resistance and working efficiency, and extends its service life.

CN224590701UActive Publication Date: 2026-08-04FUJIAN DEZE NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN DEZE NEW ENERGY CO LTD
Filing Date
2025-08-26
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing graphite carbon nanotube pickling equipment is prone to corrosion during long-term use, which affects the equipment's lifespan and efficiency.

Method used

The pickling tank is divided into upper and lower chambers by a corrosion-resistant partition. Combined with an electric rotary table and limiting components, the tank can be flipped and pickled alternately. The flushing components can perform 360° internal wall cleaning, reducing downtime for liquid change and corrosion risk.

Benefits of technology

It improves the corrosion resistance and working efficiency of the equipment, extends its service life, reduces downtime, and ensures the stability and thoroughness of the pickling process.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a corrosion-resistant graphite carbon nanotube pickling device, comprising: a base plate, support plates installed on both sides of the top of the base plate, and rotating rods rotatably installed on the outer walls of the two support plates; and an electric rotary table installed on the outer wall of one of the support plates. The rotating component of the electric rotary table is connected to one of the rotating rods, and the outer walls of the two rotating rods on opposite sides are provided with pickling tanks with openings at both the upper and lower ends. This corrosion-resistant graphite carbon nanotube pickling device uses corrosion-resistant partitions to divide the pickling tank into upper and lower spaces, allowing for alternating pickling and reducing downtime for liquid changes. The electric rotary table enables the tank to tilt, facilitating rapid liquid drainage with a drain valve. The rinsing assembly is raised and lowered by a waterproof electric push rod, and the transmission assembly drives its rotation, achieving 360° rinsing of the inner wall of the tank and reducing residual acid corrosion. A limiting assembly ensures tank stability during pickling, improving the overall corrosion resistance and efficiency of the equipment and extending its service life.
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Description

Technical Field

[0001] This utility model relates to the field of pickling technology, specifically to a corrosion-resistant pickling device for graphite carbon nanotubes. Background Technology

[0002] Graphite carbon nanotubes, with their unique structure and excellent properties such as high conductivity, high strength, and large specific surface area, have shown great application potential in many fields, including energy storage, composite material reinforcement, and electronic devices. However, during their preparation, impurities such as metal catalyst particles and amorphous carbon are inevitably introduced, severely affecting product performance. Acid washing, as a key purification process, involves placing the graphite carbon nanotubes in an acidic solution pickling tank to effectively remove these impurities.

[0003] Since acidic solutions are constantly contained in pickling tanks, even tanks with good corrosion resistance will inevitably corrode after long-term use. To address this issue, we propose a corrosion-resistant graphite carbon nanotube pickling device. Utility Model Content

[0004] The purpose of this invention is to provide a corrosion-resistant pickling device for graphite carbon nanotubes to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant graphite carbon nanotube pickling device, comprising: a base plate, support plates installed on both sides of the top of the base plate, and rotating rods rotatably installed on the outer walls of the two support plates; further comprising: an electric rotary table installed on the outer wall of one of the support plates, wherein the rotating component of the electric rotary table is connected to one of the rotating rods, and the outer walls of the two rotating rods on opposite sides are provided with pickling tanks with openings at both the top and bottom ends; the inner wall of the pickling tank is provided with a corrosion-resistant partition; the outer wall of the other rotating rod has a limit opening; the outer wall of the other support plate is provided with a limit assembly; a collection box is placed on the top of the base plate; a waterproof electric push rod and a rack are installed on the inner wall of the bottom of the collection box; an L-shaped tube is installed on the top of the piston rod of the waterproof electric push rod; a water supply hose is connected to one bottom end of the L-shaped tube; a rinsing assembly is rotatably connected to the inner wall of one top end of the L-shaped tube; and a transmission assembly is installed on the outer wall of the L-shaped tube.

[0006] The limiting assembly includes a fixed plate, an electric push rod mounted on the top outer wall of the fixed plate, and a limiting block mounted on the top of the piston rod of the electric push rod. The limiting block cooperates with the limiting port.

[0007] The transmission assembly includes a mounting plate, rotating shafts rotatably mounted on both ends of the outer wall of the mounting plate, gears and a drive bevel gear respectively mounted on the two rotating shafts, and belt pulleys connected to the two rotating shafts for transmission.

[0008] The flushing assembly includes a flushing pipe, a driven bevel gear mounted on the outer wall of the flushing pipe, and multiple nozzles evenly distributed on the flushing pipe.

[0009] The driving bevel gear meshes with the driven bevel gear, and the gear meshes with the rack.

[0010] The pickling tank is divided into two chambers by a corrosion-resistant partition, and each chamber is equipped with a drain valve on its side wall.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention relates to a corrosion-resistant pickling device for graphite carbon nanotubes. The device divides the pickling tank into upper and lower spaces using corrosion-resistant partitions, allowing for alternating pickling and reducing downtime for solution changes. An electric rotary table enables tank rotation, facilitating rapid drainage via a drain valve. The rinsing assembly, driven by a waterproof electric push rod, rises and falls, while a transmission component rotates it, achieving 360° rinsing of the tank's inner wall and minimizing residual acid corrosion. A limiting assembly ensures tank stability during pickling, comprehensively improving the equipment's corrosion resistance and efficiency, and extending its service life. Attached Figure Description

[0013] Figure 1 This is a cross-sectional view of the present invention;

[0014] Figure 2 This is an external structural view of the present invention;

[0015] Figure 3 This is a structural diagram of the waterproof electric push rod of this utility model;

[0016] Figure 4 This is a structural diagram of the transmission component of this utility model;

[0017] Figure 5 This is a structural diagram of the flushing assembly of this utility model.

[0018] In the diagram: 1. Base plate; 2. Support plate; 3. Rotating rod; 4. Electric rotary table; 5. Pickling tank; 6. Corrosion-resistant partition; 7. Limiting port; 8. Limiting assembly; 801. Fixing plate; 802. Electric push rod; 803. Limiting block; 9. Collection box; 10. Waterproof electric push rod; 11. Rack; 12. L-shaped tube; 13. Water supply hose; 14. Transmission assembly; 1401. Mounting plate; 1402. Rotating shaft; 1403. Gear; 1404. Driving bevel gear; 1405. Belt pulley drive; 15. Flushing assembly; 1501. Flushing pipe; 1502. Driven bevel gear; 1503. Nozzle. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-5 This utility model provides a corrosion-resistant graphite carbon nanotube pickling device, comprising: a base plate 1, support plates 2 installed on both sides of the top of the base plate 1, and rotating rods 3 rotatably installed on the outer walls of the two support plates 2; further comprising: an electric rotary table 4 installed on the outer wall of one of the support plates 2, the rotating part of the electric rotary table 4 being connected to one of the rotating rods 3, and a pickling tank 5 with openings at both ends on the outer wall of one opposite side of the two rotating rods 3, the inner wall of the pickling tank 5 being fitted with corrosion-resistant baffles 6, and a limit opening 7 on the outer wall of the other rotating rod 3; the other... A limiting component 8 is installed on the outer wall of the support plate 2, and a collection box 9 is placed on the top of the base plate 1. A waterproof electric push rod 10 and a rack 11 are installed on the inner wall of the bottom of the collection box 9. An L-shaped tube 12 is installed on the top of the piston rod of the waterproof electric push rod 10. A water supply hose 13 is connected to one end of the bottom of the L-shaped tube 12, and a flushing component 15 is rotatably connected to the inner wall of one end of the top of the L-shaped tube 12. A transmission component 14 is installed on the outer wall of the L-shaped tube 12. The pickling tank 5 is divided into two chambers by a corrosion-resistant partition 6. A drain valve is connected to the side wall of each chamber.

[0021] It should be noted that the corrosion-resistant partition 6 divides the interior of the pickling tank 5 into two pickling spaces, which can be used alternately. The upper space is used for pickling first, and the acidic solution is poured into the upper space. After a period of use, when the acidic solution needs to be replaced, an external drain pipe can be connected to the corresponding drain valve to drain the acidic solution. When a new acidic solution needs to be replaced, the electric rotary table 4 can drive the rotating rod 3 to rotate the pickling tank 5, so that the upper and lower pickling spaces are switched. At this time, the lower pickling space faces upward, and the acidic solution can be poured into it for pickling.

[0022] With the used pickling space facing downwards, the L-shaped tube 12 can be pushed upwards by the waterproof electric push rod 10, which will drive the rinsing assembly 15 into the pickling tank 5 and drive the L-shaped tube 12 to perform reciprocating lifting and lowering motion. The water supply hose 13 is connected to clean water, which is sprayed out through the nozzle 1503 of the rinsing assembly 15. The transmission assembly 14 converts the lifting and lowering motion of the L-shaped tube into the rotational motion of the rinsing assembly, so as to achieve 360° no dead angle rinsing of the inner wall of the tank. The cleaning waste liquid flows into the collection tank 9.

[0023] During pickling, the limiting block 803 of the limiting component 8 is inserted into the limiting port 7 of the rotating rod 3 to fix the position of the pickling tank 5 and prevent it from shaking; when it needs to be flipped, the limiting block is disengaged from the limiting port to unlock the degree of rotational freedom.

[0024] In a preferred embodiment, the limiting component 8 includes a fixing plate 801, an electric push rod 802 mounted on the top outer wall of the fixing plate 801, and a limiting block 803 mounted on the top of the piston rod of the electric push rod 802.

[0025] It should be noted here that during the pickling process, the electric push rod 802 extends and pushes the limit block 803 into the limit port 7 of the rotating rod 3. The rotation of the rotating rod is restricted by mechanical engagement, ensuring that the pickling tank 5 remains stable and resistant to impact and vibration.

[0026] Unlocking rotation: When the pickling tank 5 needs to be flipped, the electric push rod 802 retracts, the limit block 803 disengages from the limit port 7, the rotating rod 3 is unlocked, and it can rotate freely under the drive of the electric rotary table 4.

[0027] In a preferred embodiment, the transmission assembly 14 includes a mounting plate 1401, rotating shafts 1402 rotatably mounted on both ends of the outer wall of the mounting plate 1401, gears 1403 and driving bevel gears 1404 respectively mounted on the two rotating shafts 1402, and belt pulley transmission 1405 connected to the two rotating shafts 1402.

[0028] It should be noted here that when the waterproof electric push rod 10 drives the L-shaped tube 12 to rise and fall, the mounting plate 1401 moves synchronously with the L-shaped tube 12, the gear 1403 meshes with the fixed rack 11, and the rolling of the gear 1403 drives the rotation of the side shaft 1402.

[0029] Power transmission: The inner pulley of the belt drive 1405 cooperates with the belt to transmit the rotational motion of the rotating shaft 1402 on one side to the rotating shaft 1402 on the other side, which drives the drive bevel gear 1404 to rotate.

[0030] In a preferred embodiment, the rinsing assembly 15 includes a rinsing pipe 1501, a driven bevel gear 1502 mounted on the outer wall of the rinsing pipe 1501, and a plurality of nozzles 1503 equidistantly distributed on the rinsing pipe 1501.

[0031] It should be noted here that: the water supply hose 13 delivers clean water to the L-shaped pipe 12, then into the flushing pipe 1501, and finally sprays it out through multiple equally spaced nozzles 1503;

[0032] Rotary rinsing: The rotation of the active bevel gear 1404 drives the driven bevel gear 1502 to rotate, causing the rinsing pipe 1501 to rotate 360°. The nozzle 1503 rotates accordingly, and the water flow covers the inner wall of the pickling tank 5.

[0033] In a preferred embodiment, the driving bevel gear 1404 meshes with the driven bevel gear 1502, and the gear 1403 meshes with the rack 11.

[0034] It should be noted here that: the linear extension and retraction of the waterproof electric push rod 10 → the lifting and lowering of the L-shaped tube 12 → the rolling of the gear 1403 along the rack 11 → the gear drives the rotating shaft 1402 to rotate.

[0035] The rotating shaft is driven by a belt pulley → the other rotating shaft rotates → the driving bevel gear 1404 rotates;

[0036] The driving bevel gear meshes with the driven bevel gear 1502 → the flushing pipe 1501 rotates.

[0037] Working principle: The pickling tank 5 is divided into upper and lower pickling spaces by the corrosion-resistant partition 6, which can be used alternately. The upper space is used for pickling first, and the acid solution is poured into the upper space. After a period of use, when the acid solution needs to be replaced, an external drain pipe can be connected to the corresponding drain valve to drain the acid solution. When a new acid solution needs to be replaced, the electric rotary table 4 drives the rotating rod 3 to rotate the pickling tank 5, so that the upper and lower pickling spaces are switched. At this time, the lower pickling space faces upward, and the acid solution can be poured into it for pickling.

[0038] With the used pickling space facing downwards, the L-shaped tube 12 can be pushed upwards by the waterproof electric push rod 10, which will drive the rinsing tube 1501 into the pickling tank 5 and drive the L-shaped tube 12 to reciprocate up and down. The water supply hose 13 is connected to clean water, which is delivered to the L-shaped tube 12 and then into the rinsing tube 1501, and finally sprayed out through multiple equally spaced nozzles 1503.

[0039] When the waterproof electric push rod 10 drives the L-shaped tube 12 to rise and fall, the mounting plate 1401 moves synchronously with the L-shaped tube 12. The gear 1403 meshes with the fixed rack 11. The rolling of the gear 1403 drives the rotation of one side shaft 1402. Through the belt pulley and belt in the belt drive 1405, the rotational motion of one side shaft 1402 is transmitted to the other side shaft 1402, which drives the active bevel gear 1404 to rotate. The rotation of the active bevel gear 1404 drives the driven bevel gear 1502 to rotate, so that the flushing pipe 1501 rotates 360°. The nozzle 1503 rotates accordingly, and the water flow covers the inner wall of the pickling tank 5. The cleaning waste liquid flows into the collection tank 9.

[0040] During the pickling process, the electric push rod 802 extends, pushing the limit block 803 into the limit port 7 of the rotating rod 3. The rotation of the rotating rod is restricted by mechanical locking, ensuring that the pickling tank 5 remains stable and resistant to impact and vibration. When the pickling tank 5 needs to be turned over, the electric push rod 802 retracts, the limit block 803 disengages from the limit port 7, the rotating rod 3 is unlocked, and it can rotate freely under the drive of the electric rotary table 4.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A corrosion-resistant pickling device for graphite carbon nanotubes, comprising: The base plate (1), the support plates (2) installed on the top two sides of the base plate (1), and the rotating rod (3) rotatably installed on the outer wall of the two support plates (2). The invention is characterized by further comprising: an electric rotary table (4) installed on the outer wall of one of the support plates (2), the rotating part of the electric rotary table (4) being connected to one of the rotating rods (3), and the outer wall of the two rotating rods (3) being provided with pickling tanks (5) with openings at both ends on one side, the inner wall of the pickling tank (5) being provided with a corrosion-resistant partition (6), and the outer wall of the other rotating rod (3) being provided with a limit port (7), the outer wall of the other support plate (2) being provided with a limit assembly (8), and a collection box (9) being placed on the top of the bottom plate (1), the inner wall of the bottom of the collection box (9) being provided with a waterproof electric push rod (10) and a rack (11), and the top of the piston rod of the waterproof electric push rod (10) being provided with an L-shaped tube (12), one end of the bottom of the L-shaped tube (12) being connected to a water supply hose (13), and the inner wall of the top end of the L-shaped tube (12) being rotatably connected to a rinsing assembly (15), and the outer wall of the L-shaped tube (12) being provided with a transmission assembly (14).

2. The corrosion resistant graphite carbon nanotube pickling apparatus of claim 1, wherein: The limiting component (8) includes a fixed plate (801), an electric push rod (802) installed on the top outer wall of the fixed plate (801), and a limiting block (803) installed on the top of the piston rod of the electric push rod (802). The limiting block (803) cooperates with the limiting port (7).

3. The corrosion resistant graphite carbon nanotube pickling apparatus of claim 1, wherein: The transmission assembly (14) includes a mounting plate (1401), rotating shafts (1402) rotatably mounted on both ends of the outer wall of the mounting plate (1401), gears (1403) and driving bevel gears (1404) respectively mounted on the two rotating shafts (1402), and belt pulley transmission (1405) connected to the two rotating shafts (1402).

4. The corrosion resistant graphite carbon nanotube pickling apparatus of claim 3, wherein: The flushing assembly (15) includes a flushing pipe (1501), a driven bevel gear (1502) mounted on the outer wall of the flushing pipe (1501), and a plurality of nozzles (1503) evenly distributed on the flushing pipe (1501).

5. The corrosion resistant graphite carbon nanotube pickling apparatus of claim 4, wherein: The driving bevel gear (1404) meshes with the driven bevel gear (1502), and the gear (1403) meshes with the rack (11).

6. The corrosion resistant graphite carbon nanotube pickling apparatus of claim 1, wherein: The pickling tank (5) is divided into two chambers by a corrosion-resistant partition (6), and each chamber is connected to a drain valve on its side wall.