High-purity phosphoric acid membrane purification filter

Abstract

The utility model provides a high-purity phosphoric acid membrane purification filter which comprises a sealing shell, a bottom conical seat is integrally arranged on the lower portion of the sealing shell, the lower portion of the bottom conical seat is in threaded connection with a threaded sealing cap, and a solution inlet pipe is integrally arranged on the right side of the bottom conical seat. The filtering observer is installed on the upper portion of the sealing shell, the solution discharging pipe is integrally arranged on the right side of the filtering observer, the driving motor is arranged on the upper portion of the filtering observer, and the spiral filtering cleaner is installed on the lower portion of the filtering observer. Due to the arrangement of the filter screen cylinder, the U-shaped scraper support and the inclined spiral guide seat, a phosphoric acid solution is favorably filtered, and meanwhile, filtered matters on the outer side of the filter screen cylinder are cleaned and are guided to the lower part.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-purity phosphoric acid membrane purification and filtration, in particular to a high-purity phosphoric acid membrane purification filter. Background Art

[0002] Phosphoric acid has many other uses. High-purity phosphoric acid can be used to make fluorine-free feed. High-purity phosphoric acid needs to be purified and filtered during the production process. The existing purification filter includes a purification filter body. One end of the purification filter body is connected to an inlet pipe for liquid inlet, and a filtering mechanism for filtering the solution is installed in the inlet pipe; the filtering mechanism includes a support ring that is sealingly and slidably connected to the inner wall of the inlet pipe, and a filter ring is sealingly and slidably connected to the inner ring wall of the support ring. When this type of equipment is filtering, as the filtering time increases, a large amount of filtered material is likely to accumulate on the outside of the filter screen, affecting the filtering effect. Utility Model Content

[0003] In view of the above technical problems, the utility model provides a high-purity phosphoric acid membrane purification filter. A spiral cleaning frame is installed outside the filter membrane, and the obliquely cut spiral cleaning frame can guide the cleaned filter material downward, making it convenient for staff to perform unified cleaning.

[0004] The technical solution is as follows: a high-purity phosphoric acid membrane purification filter, including a sealed shell, the lower part of the sealed shell is integrated with a bottom conical seat, the lower part of the bottom conical seat is threadedly connected with a threaded sealing cap, and the right side of the bottom conical seat is integrated with a solution inlet pipe. It is characterized in that a filter observer is installed on the upper part of the sealed shell, a solution discharge pipe is integrated on the right side of the filter observer, a drive motor is provided on the upper part of the filter observer, and a spiral filter cleaner is installed on the lower part of the filter observer.

[0005] Preferably, the filter observer comprises a transparent observation window, a positioning protrusion is integrally provided at the lower portion of the transparent observation window, a connecting through hole is provided at the inner lower portion of the transparent observation window, sealing rings are respectively embedded in the upper and lower portions of the middle portion of the transparent observation window, and a driving shaft is plugged into the inner center portion of the transparent observation window.

[0006] Preferably, the spiral filter cleaner comprises a filter screen cylinder, a U-shaped scraper bracket is arranged on the outer side of the filter screen cylinder, and an inclined spiral guide seat is glued to the outer side of the U-shaped scraper bracket.

[0007] Preferably, the transparent observation window is bolted to the upper portion of the sealed shell, and the positioning protrusion is plugged into the inner upper portion of the sealed shell.

[0008] Preferably, the drive motor is bolted to the upper middle position of the filter viewer, and the output shaft of the drive motor is connected to the upper coupling of the drive shaft.

[0009] Preferably, the upper portion of the driving shaft passes through the inner side of the sealing ring, and the solution discharge pipe is integrated into the transparent observation window.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. In the present invention, the arrangement of the transparent observation window, the positioning protrusion, the connecting through hole, the sealing ring and the driving shaft is conducive to observing the filtered solution and transmitting power.

[0012] 2. In the present invention, the arrangement of the filter screen cylinder, the U-shaped scraper bracket and the inclined spiral guide seat is conducive to filtering the phosphoric acid solution, while cleaning the filtered material outside the filter screen cylinder and guiding the filtered material to the lower part. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the filter observer of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the spiral filter cleaner of the utility model.

[0016] In the figure:

[0017] 1. Sealing shell; 2. Bottom conical seat; 3. Threaded sealing cap; 4. Solution inlet tube; 5. Filter observer; 51. Transparent observation window; 52. Positioning protrusion; 53. Connecting through hole; 54. Sealing ring; 55. Driving shaft; 6. Solution discharge pipe; 7. Driving motor; 8. Spiral filter cleaner; 81. Filter screen cylinder; 82. U-shaped scraper bracket; 83. Inclined spiral guide seat. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Example:

[0020] As attached Figure 1 and attached Figure 2As shown, a high-purity phosphoric acid membrane purification filter comprises a sealing shell 1, a bottom conical seat 2 is integrally provided at the lower part of the sealing shell 1, a threaded sealing cap 3 is threadedly connected to the lower part of the bottom conical seat 2, a solution inlet pipe 4 is integrally provided on the right side of the bottom conical seat 2, and it is characterized in that a filter observer 5 is installed at the upper part of the sealing shell 1, a solution discharge pipe 6 is integrally provided on the right side of the filter observer 5, a driving motor 7 is provided at the upper part of the filter observer 5, and a spiral filter cleaner 8 is installed at the lower part of the filter observer 5; the filter observer 5 comprises a transparent observation window 51, a positioning protrusion 52 is integrally provided at the lower part of the transparent observation window 51, a connecting through hole 53 is opened at the inner lower part of the transparent observation window 51, a sealing ring 54 is respectively embedded in the upper and lower parts of the middle position of the transparent observation window 51, and a driving shaft 55 is inserted at the inner center position of the transparent observation window 51.

[0021] As attached Figure 3 As shown, in the above embodiment, specifically, the spiral filter cleaner 8 comprises a filter screen cylinder 81 , a U-shaped scraper bracket 82 is arranged on the outer side of the filter screen cylinder 81 , and an inclined spiral guide seat 83 is glued to the outer side of the U-shaped scraper bracket 82 .

[0022] In the above embodiment, specifically, the filter screen cartridge 81 is bolted to the lower middle position of the transparent observation window 51 , and the inner side of the filter screen cartridge 81 is connected to the inner side of the connecting through hole 53 .

[0023] In the above embodiment, specifically, the lower portion of the driving shaft 55 passes through the filter screen cylinder 81 , and the lower portion of the driving shaft 55 is bolted to the lower inner portion of the U-shaped scraper bracket 82 .

[0024] In the above embodiment, specifically, the left and right sides of the U-shaped scraper bracket 82 are respectively attached to the left and right sides of the filter screen cylinder 81 , and the inclined spiral guide seat 83 is spirally attached to the outer side of the filter screen cylinder 81 .

[0025] How it works

[0026] In the utility model, the phosphoric acid solution enters the inner side of the bottom conical seat 2 through the solution inlet pipe 4. As the phosphoric acid solution rises, the phosphoric acid solution passes through the inner side of the filter screen cylinder 81 for filtering. The driving motor 7 drives the U-shaped scraper bracket 82 to rotate through the driving shaft 55. The U-shaped scraper bracket 82 cleans the filtered material on the outer side of the filter screen cylinder 81, and the cleaned filtered material falls into the inner side of the inclined spiral guide seat 83. The filtered material is guided to the lower part by the guidance of the filter screen cylinder 81. The filtered phosphoric acid solution passes through the connecting through hole 53 and enters the inner side of the transparent observation window 51, and is finally discharged from the solution discharge pipe 6.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A high-purity phosphoric acid membrane purification filter, comprising a sealed housing (1), wherein the lower portion of the sealed housing (1) is integrally provided with a bottom conical seat (2), the lower portion of the bottom conical seat (2) is threadedly connected with a threaded sealing cap (3), and the right side of the bottom conical seat (2) is integrally provided with a solution inlet pipe (4), characterized in that: A filter observer (5) is installed on the upper part of the sealed housing (1), a solution discharge pipe (6) is integrally provided on the right side of the filter observer (5), a drive motor (7) is provided on the upper part of the filter observer (5), and a spiral filter cleaner (8) is installed on the lower part of the filter observer (5).

2. The high-purity phosphoric acid membrane purification filter according to claim 1, characterized in that: The filter observer (5) comprises a transparent observation window (51), a positioning protrusion (52) is integrally provided at the lower part of the transparent observation window (51), a connecting through hole (53) is provided at the inner lower part of the transparent observation window (51), a sealing ring (54) is respectively embedded in the upper and lower parts of the middle position of the transparent observation window (51), and a driving shaft (55) is inserted into the inner center position of the transparent observation window (51).

3. The high-purity phosphoric acid membrane purification filter according to claim 1, characterized in that: The spiral filter cleaner (8) comprises a filter screen cylinder (81), a U-shaped scraper bracket (82) is arranged on the outside of the filter screen cylinder (81), and an inclined spiral guide seat (83) is glued to the outside of the U-shaped scraper bracket (82).

4. The high-purity phosphoric acid membrane purification filter according to claim 2, characterized in that: The transparent observation window (51) is bolted to the upper part of the sealing shell (1), and the positioning protrusion (52) is inserted into the inner upper part of the sealing shell (1).

5. The high-purity phosphoric acid membrane purification filter according to claim 2, characterized in that: The driving motor (7) is bolted to the middle position of the upper part of the filter viewer (5), and the output shaft of the driving motor (7) is connected to the upper coupling of the driving shaft (55).

6. The high-purity phosphoric acid membrane purification filter according to claim 2, characterized in that: The upper portion of the driving shaft (55) passes through the inner side of the sealing ring (54), and the solution discharge pipe (6) is integrally arranged in the transparent observation window (51).

Images