Silicon carbide treatment device capable of fully pickling

The design of the lifting pickling mechanism solves the problem of insufficient hydrochloric acid flow in the silicon carbide processing unit, realizing a highly efficient pickling process, improving processing efficiency and simplifying operation.

CN224058207UActive Publication Date: 2026-03-31HENAN KANGTAI SILICON POWDER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing silicon carbide processing equipment suffers from low hydrochloric acid flow during the pickling process, resulting in a slow reaction and low processing efficiency.

Method used

The lifting pickling mechanism, consisting of a U-shaped fixing frame, pickling tank, placement tank, connecting hole, fixing vertical plate, lifting guide rail, reversible motor, vertical screw and lifting slider, increases the fluidity of hydrochloric acid and improves the reaction rate through high-frequency up and down reciprocating motion.

Benefits of technology

It improves the processing efficiency of silicon carbide, simplifies the operation process, and reduces the workload and difficulty of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silicon carbide processing device capable of fully pickling, which comprises a fixed bottom plate, the upper end of the fixed bottom plate is fixedly connected with a U-shaped fixed frame, and the lower inner wall of the U-shaped fixed frame is fixedly connected with a pickling cylinder; the lifting guide rails are fixedly connected to the side inner wall of the U-shaped fixing frame and symmetrically distributed at the left end and the right end of the U-shaped fixing frame, reversible motors are fixedly connected to the interiors of the lifting guide rails and located at the lower ends of the lifting guide rails, the output ends of the reversible motors are fixedly connected with vertical screws, and the vertical screws are in threaded connection with lifting sliding blocks; a lifting type pickling mechanism is composed of a U-shaped fixing frame, a pickling cylinder, a placing cylinder, a communicating hole, a fixing vertical plate, a lifting guide rail, a reversible motor, a vertical screw rod and a lifting sliding block, the placing cylinder can do high-frequency up-down reciprocating motion in the pickling cylinder in the pickling process, flowing of hydrochloric acid can be increased so as to improve the reaction rate, and the treatment efficiency of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of silicon carbide processing technology, and in particular to a silicon carbide processing device capable of thorough acid washing. Background Technology

[0002] Existing silicon carbide processing devices capable of thorough acid washing suffer from slow reaction rates due to the low fluidity of hydrochloric acid, hindering rapid silicon carbide processing. A Chinese patent, CN202020717896.6, discloses an "Acid Washing Device for Silicon Carbide Powder Production," which effectively collects and treats the acid-washed solution, preventing direct discharge of acidic solutions into the environment and significantly improving the device's cleanliness. However, the low fluidity of the hydrochloric acid within this device limits the reaction rate and reduces its overall processing efficiency. Utility Model Content

[0003] The purpose of this invention is to solve at least one of the technical problems existing in the prior art, and to provide a silicon carbide treatment device that can fully acid wash. The device consists of a U-shaped fixing frame, an acid washing tank, a placement tank, a connecting hole, a fixed vertical plate, a lifting guide rail, a reversible motor, a vertical screw, and a lifting slider, forming a lifting acid washing mechanism. During the acid washing process, the placement tank can move up and down at a high frequency within the acid washing tank, which can increase the flow of hydrochloric acid and improve the reaction rate, thereby improving the processing efficiency of the device. In use, the device has a simple process, convenient feeding and discharging, and reduces the workload and operation difficulty.

[0004] This utility model also provides a silicon carbide treatment device capable of thorough pickling, comprising: a fixed base plate, a U-shaped fixing frame fixedly connected to the upper end of the fixed base plate, and a pickling tank fixedly connected to the lower inner wall of the U-shaped fixing frame; a lifting guide rail, the lifting guide rail fixedly connected to the side inner wall of the U-shaped fixing frame, the lifting guide rail symmetrically distributed at the left and right ends of the U-shaped fixing frame, a reversible motor fixedly connected inside the lifting guide rail, the reversible motor located at the lower end of the lifting guide rail, a vertical screw fixedly connected to the output end of the reversible motor, and a lifting slider threadedly connected to the vertical screw; and a placement cylinder, the placement cylinder having a connecting hole at its lower end, a fixed vertical plate fixedly connected to its upper end, the fixed vertical plate symmetrically distributed at the left and right ends of the pickling tank, the fixed vertical plate being fixedly connected to the lifting slider, and the side end of the placement cylinder being flush with the side inner wall of the pickling tank.

[0005] According to the present invention, a silicon carbide treatment device capable of thorough acid pickling is provided, wherein casters are fixedly connected to the lower end of the fixed base plate, and the casters are located at the four corners of the lower end of the fixed base plate. This facilitates the movement of the device and improves its ease of use.

[0006] According to the present invention, a silicon carbide treatment device capable of thorough acid pickling is provided, wherein mounting plates are bolted to both ends of the U-shaped fixing frame, and a handle is fixedly connected to the front end of the mounting plate. This facilitates the movement of the device and improves its ease of use.

[0007] According to the present invention, a silicon carbide treatment device capable of thorough acid washing includes a hydrochloric acid tank fixedly connected to the upper end of a fixed base plate, and a first tank cover provided at the upper end of the hydrochloric acid tank. This facilitates the storage and supply of hydrochloric acid.

[0008] According to the present invention, a silicon carbide treatment device capable of thorough acid washing includes a first liquid pump fixedly connected to the upper end of a fixed base plate. The input end of the first liquid pump is connected to a hydrochloric acid tank, and the output end of the first liquid pump is connected to an acid washing cylinder. This facilitates the rapid delivery of hydrochloric acid.

[0009] According to the present invention, a silicon carbide treatment device capable of thorough acid washing includes a sodium hydroxide tank fixedly connected to the upper end of a fixed base plate, and a second tank cover provided at the upper end of the sodium hydroxide tank. This facilitates the neutralization treatment of waste liquid.

[0010] According to the present invention, a silicon carbide treatment device capable of thorough acid washing includes a second liquid pump fixedly connected to the upper end of a fixed base plate. The input end of the second liquid pump is connected to the acid washing tank, and the output end of the second liquid pump is connected to a sodium hydroxide tank. This facilitates rapid recovery of waste liquid.

[0011] According to the silicon carbide treatment device of this utility model, which is capable of thorough acid pickling, the inner walls of the left and right sides of the lifting guide rail are provided with vertical grooves. This facilitates the limiting installation of the lifting slider.

[0012] According to the silicon carbide treatment device of this utility model, which is capable of thorough acid pickling, vertical sliding rods are fixedly connected to both ends of the lifting slider, and the lifting slider is slidably connected to a vertical sliding groove through the vertical sliding rods. This facilitates the stable lifting and lowering of the lifting slider. Beneficial effects

[0013] 1. Compared with the prior art, this silicon carbide treatment device that can fully acid wash has a lifting acid washing mechanism composed of a U-shaped fixed frame, an acid washing tank, a placement tank, a connecting hole, a fixed vertical plate, a lifting guide rail, a reversible motor, a vertical screw and a lifting slider. During the acid washing process, the placement tank can move up and down in the acid washing tank at a high frequency, which can increase the flow of hydrochloric acid to improve the reaction rate and improve the processing efficiency of the device.

[0014] 2. Compared with the existing technology, this silicon carbide treatment device can fully pickle silicon carbide. During the use of this device, the process is simple, the feeding and discharging are convenient, and the workload and operation difficulty are reduced. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of a silicon carbide treatment device capable of thorough acid washing according to the present invention.

[0017] Figure 2 This is a top view of a silicon carbide treatment device capable of thorough acid washing according to the present invention.

[0018] Figure 3 This is a longitudinal three-dimensional cross-sectional structural diagram of a silicon carbide treatment device capable of thorough acid washing according to the present invention.

[0019] Figure 4 This is a schematic diagram of the transverse three-dimensional cross-sectional structure of a silicon carbide treatment device capable of thorough acid washing according to the present invention.

[0020] Legend:

[0021] 1. Fixed base plate; 2. Handle; 3. Mounting plate; 4. Bolt; 5. Connecting hole; 6. Placement cylinder; 7. Vertical slide rail; 8. Vertical screw; 9. Lifting guide rail; 10. Vertical slide bar; 11. Lifting slider; 12. Fixed vertical plate; 13. Pickling tank; 14. Second liquid pump; 15. Second tank cover; 16. Casters; 17. Sodium hydroxide tank; 18. Hydrochloric acid tank; 19. First tank cover; 20. First liquid pump; 21. U-shaped fixing frame; 22. Reversible motor. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4This utility model discloses a silicon carbide treatment device capable of thorough acid washing, comprising: a fixed base plate 1, with casters 16 fixedly connected to the lower end of the fixed base plate 1 for moving the device; the casters 16 are located at the four corners of the lower end of the fixed base plate 1; a U-shaped fixing frame 21 is fixedly connected to the upper end of the fixed base plate 1 to fix an acid washing tank 13 and a lifting guide rail 9; mounting plates 3 are fixedly connected to the left and right ends of the U-shaped fixing frame 21 by bolts 4 to fix handles 2; handles 2 are fixedly connected to the front end of the mounting plates 3 for moving the device; an acid washing tank 13 is fixedly connected to the lower inner wall of the U-shaped fixing frame 21 to contain hydrochloric acid for acid washing of the silicon carbide placed in the tank 6; and a hydrochloric acid tank 18 is fixedly connected to the upper end of the fixed base plate 1 for storing and... Hydrochloric acid is provided. A first tank cover 19 is provided at the upper end of the hydrochloric acid tank 18 to seal the hydrochloric acid tank 18. A first liquid pump 20 is fixedly connected to the upper end of the fixed base plate 1 to provide power for the delivery of hydrochloric acid. The input end of the first liquid pump 20 is connected to the hydrochloric acid tank 18, and the output end of the first liquid pump 20 is connected to the pickling tank 13. A sodium hydroxide tank 17 is fixedly connected to the upper end of the fixed base plate 1 to store sodium hydroxide for neutralizing waste liquid. A second tank cover 15 is provided at the upper end of the sodium hydroxide tank 17 to seal the sodium hydroxide tank 17. A second liquid pump 14 is fixedly connected to the upper end of the fixed base plate 1 to provide power for the delivery of waste liquid. The input end of the second liquid pump 14 is connected to the pickling tank 13, and the output end of the second liquid pump 14 is connected to the sodium hydroxide tank 17.

[0024] The lifting guide rail 9 is fixedly connected to the inner side wall of the U-shaped fixed frame 21. The lifting guide rail 9 is symmetrically distributed at the left and right ends of the U-shaped fixed frame 21. The left and right inner side walls of the lifting guide rail 9 are provided with vertical sliding grooves 7. The lifting slider 11 is limited by the vertical sliding rod 10. The lifting guide rail 9 is fixedly connected to a reversible motor 22, which drives the vertical screw 8 to rotate in both directions. The reversible motor 22 is located at the lower end of the lifting guide rail 9. The output end of the reversible motor 22 is fixedly connected to the vertical screw 8, which rotates in both directions to drive the lifting slider 11 to move up and down. The vertical screw 8 is threadedly connected to the lifting slider 11. The placement cylinder 6 is fixed by the fixed vertical plate 12, which drives the placement cylinder 6 to move up and down. The left and right ends of the lifting slider 11 are fixedly connected to the vertical sliding rods 10, which slide in the vertical sliding grooves 7. The lifting slider 11 is slidably connected to the vertical sliding grooves 7 through the vertical sliding rods 10.

[0025] The placement cylinder 6 has a connecting hole 5 at its lower end and a fixed vertical plate 12 fixedly connected to its upper end. The placement cylinder 6 is fixed on the lifting slider 11. The fixed vertical plates 12 are symmetrically distributed on the left and right ends of the pickling cylinder 13. The fixed vertical plates 12 are fixedly connected to the lifting slider 11. The side end of the placement cylinder 6 is flush with the inner side wall of the pickling cylinder 13.

[0026] Working principle: The silicon carbide is pickled using a silicon carbide treatment device that can thoroughly pickle the silicon carbide. The first liquid pump 20 delivers hydrochloric acid to the pickling tank 13, and the silicon carbide is placed in the placement tank 6. The lifting guide rail 9 lowers the placement tank 6 into the pickling tank 13, so that the silicon carbide in the placement tank 6 is completely immersed in the hydrochloric acid in the pickling tank 13. During the pickling process, the lifting guide rail 9 moves the placement tank 6 up and down at a high frequency in the pickling tank 13, which can increase the flow of hydrochloric acid and improve the reaction rate. After the pickling process is completed, the lifting guide rail 9 raises the placement tank 6 for easy material removal. The second liquid pump 14 delivers the waste liquid to the sodium hydroxide tank 17 for neutralization treatment.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A silicon carbide processing apparatus capable of being fully pickled, characterized by, Include: The upper end of the fixed bottom plate (1) is fixedly connected with a U-shaped fixed frame (21), and the lower inner wall of the U-shaped fixed frame (21) is fixedly connected with a pickling tank (13); The lifting guide rail (9) is fixedly connected to the side inner wall of the U-shaped fixed frame (21), and the lifting guide rail (9) is symmetrically distributed at the left and right ends of the U-shaped fixed frame (21). The inside of the lifting guide rail (9) is fixedly connected with a reversible motor (22), and the reversible motor (22) is located at the lower end of the lifting guide rail (9). The output end of the reversible motor (22) is fixedly connected with a vertical screw rod (8), and the vertical screw rod (8) is threadedly connected with a lifting sliding block (11); The lower end of the placing cylinder (6) is provided with a communication hole (5), and the upper end of the placing cylinder (6) is fixedly connected with a fixed vertical plate (12). The fixed vertical plate (12) is symmetrically distributed at the left and right ends of the pickling tank (13), and the fixed vertical plate (12) is fixedly connected with the lifting sliding block (11). The side end of the placing cylinder (6) is flush with the side inner wall of the pickling tank (13).

2. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by, The lower end of the fixed bottom plate (1) is fixedly connected with a caster (16), and the caster (16) is located at the four corners of the lower end of the fixed bottom plate (1).

3. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by, The left and right ends of the U-shaped fixed frame (21) are fixedly connected with a mounting plate (3) through bolts (4), and the front end of the mounting plate (3) is fixedly connected with a handle (2).

4. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by The upper end of the fixed bottom plate (1) is fixedly connected with a hydrochloric acid tank (18), and the upper end of the hydrochloric acid tank (18) is provided with a first tank cover (19).

5. A silicon carbide processing apparatus capable of being adequately pickled as recited in claim 1, wherein The upper end of the fixed bottom plate (1) is fixedly connected with a first liquid pump (20), and the input end of the first liquid pump (20) is communicated with the hydrochloric acid tank (18). The output end of the first liquid pump (20) is communicated with the pickling tank (13).

6. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by, The upper end of the fixed bottom plate (1) is fixedly connected with a sodium hydroxide tank (17), and the upper end of the sodium hydroxide tank (17) is provided with a second tank cover (15).

7. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by The upper end of the fixed bottom plate (1) is fixedly connected with a second liquid pump (14), and the input end of the second liquid pump (14) is communicated with the pickling tank (13). The output end of the second liquid pump (14) is communicated with the sodium hydroxide tank (17).

8. A silicon carbide treatment apparatus capable of being sufficiently pickled according to claim 1, characterized by, The left and right side inner walls of the lifting guide rail (9) are provided with vertical sliding grooves (7).

9. A silicon carbide processing apparatus capable of being adequately pickled as recited in claim 1, wherein, The left and right ends of the lifting sliding block (11) are fixedly connected with vertical sliding rods (10), and the lifting sliding block (11) is slidably connected with the vertical sliding grooves (7) through the vertical sliding rods (10).

Citation Information

Patent Citations

  • Pickling device for silicon carbide powder production

    CN212669221U