Capacitance grade phosphoric acid pressure filtering device

By designing an automated capacitive-stage phosphoric acid pressure filtration device, the problems of high labor intensity and safety risks in filter plate replacement were solved, realizing automated filter plate replacement and impurity cleaning, and improving filtration efficiency and safety.

CN224086145UActive Publication Date: 2026-04-07XINJIANG KETUODA CHEMICAL MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In existing capacitor-stage phosphoric acid filtration devices, manual replacement of filter plates is labor-intensive and poses safety risks when the filter plates are clogged or damaged.

Method used

A capacitor-level phosphoric acid pressure filtration device was designed, which uses components such as electric push rod, gear, motor, and magnetic block to realize automatic filter plate replacement, and uses bevel gear and reciprocating screw in conjunction with scraper to clean impurities on the surface of filter plate to avoid filter plate clogging.

Benefits of technology

It enables automated replacement of filter plates, reduces manual operation, lowers labor intensity, improves work efficiency, and ensures the safety and stability of the filtration process.

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Abstract

The utility model relates to the technical field of filtering equipment, and discloses a capacitor grade phosphoric acid pressure filtering device which comprises a fixed underframe, a filtering box is arranged on the upper surface of the fixed underframe, a support and a first electric push rod are arranged on the upper surface of the filtering box, and the output end of the first electric push rod is fixedly connected with a sliding rod. The outer wall of the sliding rod is slidably connected to the interior of the support, a rack is fixedly connected to the outer wall of the sliding rod, a circular gear is connected to the tooth end of the rack in a meshed mode, the outer wall of the circular gear is rotatably connected to the outer wall of the support, and a second electric push rod is fixedly connected to the outer wall of the circular gear; the output end of the second electric push rod is fixedly connected with a first motor. According to the phosphoric acid filter plate replacing device, through cooperation of the support, the first electric push rod, the sliding rod, the rack, the circular gear, the second electric push rod, the first motor, the electric suction cup, the fixing frame and the magnetic suction block, the filter plate can be automatically replaced, manpower is saved, the working efficiency is improved, and workers can be prevented from being hurt by phosphoric acid.
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Description

Technical Field

[0001] This utility model relates to the field of filtration equipment technology, and in particular to a capacitive-stage phosphoric acid pressure filtration device. Background Technology

[0002] Capacitor-grade phosphoric acid is a high-purity phosphoric acid product primarily used in the electronics industry to produce electronic components such as capacitors. Its impurity content requirements are extremely stringent; impurities such as iron ions, chlorides, sulfates, and heavy metals are typically controlled to very low levels. As a crucial material in capacitor production, the purity and quality requirements for capacitor-grade phosphoric acid are becoming increasingly stringent. To meet the electronics industry's demand for high-performance capacitors, the purity of phosphoric acid must be improved through processes such as filtration.

[0003] When the filter plates of the filtration device are severely clogged or damaged, gaps or holes may appear, allowing unfiltered phosphoric acid or impurities to pass through the filter plates and mix into the filtered product, affecting the purity and quality of the capacitor-grade phosphoric acid. Manually replacing the filter plates requires operators to frequently come into contact with the filtration equipment and phosphoric acid, which is not only labor-intensive, but also poses certain safety risks as they may come into contact with corrosive phosphoric acid during the operation. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a capacitor-level phosphoric acid pressure filtration device, which aims to improve the problem that manual replacement of filter plates is labor-intensive and poses certain safety risks.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A capacitive-stage phosphoric acid pressure filtration device includes a fixed base frame. A filter box is mounted on the upper surface of the fixed base frame. A support and an electric push rod are mounted on the upper surface of the filter box. A slide rod is fixedly connected to the output end of the electric push rod. The outer wall of the slide rod is slidably connected to the inside of the support. A rack is fixedly connected to the outer wall of the slide rod. A spur gear is meshed with the tooth ends of the rack. The outer wall of the spur gear is rotatably connected to the outer wall of the support. An electric push rod is fixedly connected to the outer wall of the spur gear. A motor is fixedly connected to the output end of the electric push rod. An electric suction cup is fixedly connected to the output end of the motor. A mounting frame is mounted on the outer wall of the electric suction cup. Magnetic blocks are mounted on the outer walls of both the mounting frame and the filter box. Filter plates are fixedly connected to the outer wall of the mounting frame. A storage component is mounted on the upper surface of the fixed base frame for holding new and old filter plates.

[0007] Preferably, the storage component includes a first storage box, the lower surface of which is disposed on the upper surface of the fixed base, and a second storage box is disposed on the upper surface of the fixed base.

[0008] Preferably, a pressure pump is provided on the outer wall of the filter box.

[0009] Preferably, a second motor is installed inside the fixed base frame, and a transmission shaft is fixedly installed at the output end of the second motor. The outer wall of the transmission shaft is rotatably connected to the inside of the fixed base frame.

[0010] Preferably, a first bevel gear is fixedly connected to the outer wall of the drive shaft, and a second bevel gear is meshed with the tooth ends of the first bevel gear.

[0011] Preferably, the outer wall of the second bevel gear is rotatably connected to the inside of the fixed base frame, and one end of the reciprocating lead screw is fixedly connected to the outer wall of the second bevel gear.

[0012] Preferably, one end of the reciprocating lead screw is rotatably connected to the outer wall of the filter box, and a sliding frame is threadedly connected to the outer wall of the reciprocating lead screw, with the outer wall of the sliding frame slidably connected to the inside of the filter box.

[0013] Preferably, a scraper is fixedly connected to the outer wall of the sliding frame, and the outer wall of the scraper is slidably connected to the outer wall of the filter plate.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, through the cooperation of the bracket, electric push rod one, slide rod, rack, spur gear, electric push rod two, motor one, electric suction cup, fixing frame and magnetic block, the filter plate can be automatically replaced, saving manpower and improving work efficiency, and can also prevent workers from being injured by phosphoric acid.

[0016] 2. In this utility model, through the cooperation between the second motor, the transmission shaft, the first bevel gear, the second bevel gear, the reciprocating screw, the sliding frame and the scraper, the impurities attached to the surface of the filter plate can be cleaned, so as to avoid the filter holes of the filter plate being blocked and ensure the normal filtration speed. Attached Figure Description

[0017] Figure 1 This is a perspective view of the capacitor-stage phosphoric acid pressure filtration device proposed in this utility model;

[0018] Figure 2 This is a partial structural diagram of the slide bar of the capacitor-stage phosphoric acid pressurized filtration device proposed in this utility model;

[0019] Figure 3 This is a partial structural diagram of the bevel gear in the capacitor-stage phosphoric acid pressurized filtration device proposed in this utility model;

[0020] Figure 4 This is a partial structural diagram of the scraper in the capacitor-stage phosphoric acid pressure filtration device proposed in this utility model.

[0021] Legend:

[0022] 1. Fixed base frame; 2. Filter box; 3. Support bracket; 4. Electric push rod one; 5. Slide rod; 6. Rack; 7. Circular gear; 8. Electric push rod two; 9. Motor one; 10. Electric suction cup; 11. Fixed frame; 12. Filter plate; 13. Magnetic block; 14. Storage box one; 15. Storage box two; 16. Motor two; 17. Drive shaft; 18. Bevel gear one; 19. Bevel gear two; 20. Reciprocating lead screw; 21. Sliding frame; 22. Scraper; 23. Pressure pump. Detailed Implementation

[0023] 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.

[0024] Reference Figure 1 , Figure 2 and Figure 4 This utility model provides an embodiment of a capacitor-level phosphoric acid pressure filtration device, comprising a fixed base frame 1, a filter box 2 disposed on the upper surface of the fixed base frame 1, a support 3 and an electric push rod 4 disposed on the upper surface of the filter box 2, a slide rod 5 fixedly connected to the output end of the electric push rod 4, the outer wall of the slide rod 5 slidably connected to the inside of the support 3, a rack 6 fixedly connected to the outer wall of the slide rod 5, a spur gear 7 meshing with the tooth end of the rack 6, the outer wall of the spur gear 7 rotatably connected to the outer wall of the support 3, an electric push rod 8 fixedly connected to the outer wall of the spur gear 7, a motor 9 fixedly connected to the output end of the electric push rod 8, an electric suction cup 10 fixedly connected to the output end of the motor 9, a fixed frame 11 disposed on the outer wall of the electric suction cup 10, magnetic blocks 13 disposed on the outer walls of both the fixed frame 11 and the filter box 2, a filter plate 12 fixedly connected to the outer wall of the fixed frame 11, and a storage component disposed on the upper surface of the fixed base frame 1 for placing new and old filter plates 12.

[0025] Specifically, the filter box 2 is equipped with multiple sets of filter plates 12, each with a different pore size, forming a layered filtration. The bracket 3 supports the sliding rod 5 to slide, the sliding rod 5 drives the rack 6 to slide, the bracket 3 supports the rotation of the sprocket 7, the sprocket 7 drives the electric push rod 8 to swing, the electric push rod 8 can pull out or place the filter plate 12, the motor 9 can make the filter plate 12 rotate, which is convenient for the filter plate 12 to be placed vertically or horizontally, the electric suction cup 10 is used to grab the fixing frame 11, thereby controlling the filter plate 12, and the magnetic block 13 is used to attach the fixing frame 11 and the filter box 2, thereby sealing the filter box 2 and preventing liquid leakage.

[0026] Reference Figure 1 The storage assembly includes a storage box 14, the lower surface of which is disposed on the upper surface of the fixed base frame 1, and a storage box 2 15 is disposed on the upper surface of the fixed base frame 1.

[0027] Specifically, storage box 14 is used to place new filter plates 12. The lower side of storage box 14 has an opening to facilitate the removal of filter plates 12. When filter plates 12 are removed, the filter plates 12 on the upper side will fall down in sequence. Storage box 2 15 is used to place used filter plates 12.

[0028] Reference Figure 1 , Figure 2 and Figure 4 A pressure pump 23 is installed on the outer wall of the filter box 2.

[0029] Specifically, a certain pressure is applied to phosphoric acid by the pressure pump 23, so that the phosphoric acid passes through the filter cloth, filter screen and other filter media under pressure.

[0030] Reference Figure 3 and Figure 4 The fixed base frame 1 houses a second motor 16. The output end of the second motor 16 is fixedly connected to a drive shaft 17. The outer wall of the drive shaft 17 is rotatably connected to the inside of the fixed base frame 1. A first bevel gear 18 is fixedly connected to the outer wall of the drive shaft 17. The tooth end of the first bevel gear 18 is meshed with a second bevel gear 19. The outer wall of the second bevel gear 19 is rotatably connected to the inside of the fixed base frame 1. One end of a reciprocating lead screw 20 is fixedly connected to the outer wall of the second bevel gear 19.

[0031] Specifically, the fixed base frame 1 fixes the second motor 16, which drives the transmission shaft 17 at the output end to rotate. The outer wall of the transmission shaft 17 is provided with multiple sets of bevel gears 18, which correspond to the filter plates 12 at different positions. The bevel gears 18 mesh with the second bevel gears 19 and rotate. The second bevel gears 19 drive the reciprocating screw 20 to rotate. The fixed base frame 1 supports the rotation of the second bevel gears 19 and the reciprocating screw 20.

[0032] Reference Figure 3 and Figure 4 One end of the reciprocating screw 20 is rotatably connected to the outer wall of the filter box 2. The outer wall of the reciprocating screw 20 is threadedly connected to a sliding frame 21, and the outer wall of the sliding frame 21 is slidably connected to the inside of the filter box 2. A scraper 22 is fixedly connected to the outer wall of the sliding frame 21, and the outer wall of the scraper 22 is slidably connected to the outer wall of the filter plate 12.

[0033] Specifically, the reciprocating screw 20 rotates to push the sliding frame 21 to slide, the filter box 2 supports the sliding frame 21 to slide, the sliding frame 21 and the scraper 22 slide inside the filter box 2, and the scraper 22 can scrape off the impurities on the surface of the filter plate 12 when it is on the outer wall of the filter plate 12, thereby ensuring the normal flow of liquid.

[0034] Working principle: When using this device, inlet and outlet ports are provided on both sides of the filter box 2. The filter plate 12 filters the capacitive phosphoric acid. The starting motor 16 drives the output drive shaft 17 to rotate. The drive shaft 17 drives the bevel gear 19 to rotate through the bevel gear 18. The bevel gear 19 drives the reciprocating screw 20 to rotate. The rotation of the reciprocating screw 20 pushes the sliding frame 21 to slide back and forth inside the filter box 2. The sliding frame 21 drives the scraper 22 to slide on the outer wall of the filter plate 12, which can scrape off the impurities attached to the surface of the filter plate 12, prevent the filter plate 12 from clogging, and ensure normal filtration speed. When the filter plate 12 needs to be replaced, first start the electric push rod 8 to pull out the fixing frame 11 and the filter plate 12. Start the electric push rod 4 to drive the slide rod 5 to slide. The slide rod 5 drives the rack 6 to rise and fall. 6. Drive the sprocket 7 to rotate. The rotation of the sprocket 7 swings the filter plate 12 to the upper side of the storage box 2 15. Start the motor 1 9 to drive the fixing frame 11 and the filter plate 12 to rotate. Control the electric suction cup 10 to release the fixing frame 11. The fixing frame 11 and the filter plate 12 fall into the storage box 2 15. Then, the electric push rod 1 4 swings the electric suction cup 10 to the other side to take out the new fixing frame 11 and the filter plate 12. With the cooperation of the electric push rod 2 8 and the motor 1 9, the new fixing frame 11 and the filter plate 12 can be inserted into the filter box 2. The magnetic block 13 can prevent the fixing frame 11 from loosening and make the fixing frame 11 fit tightly with the filter box 2 to prevent water leakage. This device can not only automatically replace the filter plate 12, saving manpower and providing safety, but also continuously clean the filter plate 12 to prevent the filter plate 12 from clogging.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A capacitor-stage phosphoric acid pressure filtration device, comprising a fixed base frame (1), characterized in that: A filter box (2) is provided on the upper surface of the fixed base frame (1). A bracket (3) and an electric push rod (4) are provided on the upper surface of the filter box (2). A slide rod (5) is fixedly connected to the output end of the electric push rod (4). The outer wall of the slide rod (5) is slidably connected to the inside of the bracket (3). A rack (6) is fixedly connected to the outer wall of the slide rod (5). A spur gear (7) is meshed with the tooth end of the rack (6). The outer wall of the spur gear (7) is rotatably connected to the outer wall of the bracket (3). The outer wall of the spur gear (7) is fixed. An electric push rod (8) is connected to the output end of the electric push rod (8), a motor (9) is fixedly connected to the output end of the motor (9), an electric suction cup (10) is fixedly connected to the output end of the motor (9), a fixed frame (11) is provided on the outer wall of the electric suction cup (10), a magnetic block (13) is provided on the outer wall of both the fixed frame (11) and the filter box (2), a filter plate (12) is fixedly connected to the outer wall of the fixed frame (11), and a storage component is provided on the upper surface of the fixed base frame (1), the storage component is used to place new and old filter plates (12).

2. The capacitor-stage phosphoric acid pressure filtration device according to claim 1, characterized in that: The storage assembly includes a first storage box (14), the lower surface of which is disposed on the upper surface of a fixed base frame (1), and a second storage box (15) is disposed on the upper surface of the fixed base frame (1).

3. The capacitor-stage phosphoric acid pressure filtration device according to claim 1, characterized in that: A pressure pump (23) is installed on the outer wall of the filter box (2).

4. The capacitor-stage phosphoric acid pressure filtration device according to claim 1, characterized in that: The fixed base frame (1) is equipped with a second motor (16), and a transmission shaft (17) is fixedly installed at the output end of the second motor (16). The outer wall of the transmission shaft (17) is rotatably connected to the inside of the fixed base frame (1).

5. The capacitor-stage phosphoric acid pressure filtration device according to claim 4, characterized in that: The outer wall of the drive shaft (17) is fixedly connected to a bevel gear one (18), and the tooth end of the bevel gear one (18) is meshed with a bevel gear two (19).

6. The capacitor-stage phosphoric acid pressure filtration device according to claim 5, characterized in that: The outer wall of the second bevel gear (19) is rotatably connected to the inside of the fixed base frame (1), and one end of the reciprocating screw (20) is fixedly connected to the outer wall of the second bevel gear (19).

7. The capacitor-stage phosphoric acid pressure filtration device according to claim 6, characterized in that: One end of the reciprocating screw (20) is rotatably connected to the outer wall of the filter box (2), and the outer wall of the reciprocating screw (20) is threadedly connected to a sliding frame (21), and the outer wall of the sliding frame (21) is slidably connected to the inside of the filter box (2).

8. The capacitor-stage phosphoric acid pressure filtration device according to claim 7, characterized in that: A scraper (22) is fixedly connected to the outer wall of the sliding frame (21), and the outer wall of the scraper (22) is slidably connected to the outer wall of the filter plate (12).