Mobile phase suction filtration device

Abstract

The utility model discloses a mobile phase suction filtration device, which belongs to the technical field of suction filtration and comprises a suction filtration bottle, a fixing seat arranged on the periphery of a bottle opening of the suction filtration bottle, a fixing ring arranged on the periphery of the fixing seat, and a lower joint mounted on the top of the fixing ring through a first locking mechanism. An upper joint is mounted at the top of the lower joint through a second locking mechanism, a mounting seat is arranged at the top of the upper joint, and a connecting pipe is arranged on the mounting seat; a lower filter element is arranged on the lower joint, an upper filter element is arranged on the upper joint, and a filter membrane is arranged between the lower filter element and the upper filter element; according to the utility model, the fixing ring is arranged on the fixing seat at the periphery of the bottle opening of the suction filtration bottle, and the first locking mechanism is matched with the second locking mechanism, so that the upper joint and the lower joint are convenient to assemble and disassemble, and further the filter membrane is convenient to assemble and disassemble; and subsequent cleaning operation is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of vacuum filtration technology, specifically a mobile phase vacuum filtration device. Background Technology

[0002] In chemical production processes, a large amount of solid particles or colloidal particles are generated, which can negatively impact production equipment, processes, and product quality. Therefore, they need to be separated and removed. Mobile phase filtration is a process that separates solid particles or colloidal particles by filtering the mobile phase containing them through a filter.

[0003] The filter element in the mobile phase filtration device is recycled, and the filter membrane needs to be replaced each time. The filter membrane must be removed when cleaning the mobile phase filtration device to avoid affecting the cleaning efficiency. Since the installation and removal of the filter membrane in the traditional mobile phase filtration device is inconvenient and affects subsequent cleaning operations, it is necessary to design a mobile phase filtration device. Utility Model Content

[0004] The purpose of this invention is to provide a mobile phase filtration device to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a mobile phase filtration device, including a filtration bottle, a fixed seat located on the outer periphery of the bottle mouth of the filtration bottle, a fixed ring on the outer periphery of the fixed seat, a lower connector mounted on the top of the fixed ring through a first locking mechanism, an upper connector mounted on the top of the lower connector through a second locking mechanism, a mounting seat on the top of the upper connector, and a connecting pipe on the mounting seat;

[0006] The lower connector is provided with a lower filter element, the upper connector is provided with an upper filter element, and a filter membrane is provided between the lower filter element and the upper filter element.

[0007] The lower connector is provided with a gas guide tube that extends into the filtration bottle, and one end of the gas guide tube is provided with a suction tube that connects to an external suction device.

[0008] Several mobile phase bottles are mounted on the outside of the filtration flask via an installation mechanism. Each mobile phase bottle has a liquid guide tube at its bottom that mates with the connecting pipe. By connecting the liquid guide tube on the mobile phase bottle to the connecting pipe, and using an external air extraction device in conjunction with the air extraction pipe, air is extracted. This creates a negative pressure inside the filtration flask through the air guide tube, causing the mobile phase in the mobile phase bottle to flow into the filtration flask after being filtered through the filter membrane between the lower and upper filter elements. A fixing ring is installed on a fixing seat on the outer periphery of the filtration flask opening. A first locking mechanism secures the lower connector to the top of the fixing ring, and a second locking mechanism secures the upper connector to the top of the lower connector, facilitating the installation and removal of the upper and lower connectors. When the filter membrane needs to be replaced, the upper connector is removed, the filter membrane between the lower and upper filter elements is taken out, and then the upper connector is reinstalled, facilitating the installation and removal of the filter membrane and subsequent cleaning operations.

[0009] In a further embodiment, the first locking mechanism includes a positioning block installed at the bottom of the lower connector. The fixing ring has a locking hole that mates with the positioning block. The fixing seat has a locking groove on one side of the locking hole. The fixing ring has a locking bolt that passes through the locking hole. The locking bolt mates with the locking groove. By placing the positioning block in the locking hole and by passing the locking bolt through the locking hole and fixing it in the locking groove, the lower connector can be easily installed and disassembled, while the connection between the fixing ring and the fixing seat is stable.

[0010] In a further embodiment, the second locking mechanism includes a positioning bolt disposed on the top of the upper connector. The upper connector has a positioning hole that mates with the positioning bolt. The top of the lower connector has a positioning groove that is located on the same vertical line as the positioning hole. The positioning bolt passes through the positioning hole and mates with the positioning groove. By inserting the positioning bolt into the positioning hole and fixing it in the positioning groove, the installation and disassembly of the upper connector are facilitated.

[0011] In a further embodiment, the lower filter element has a lower pressing block on the top outside the filter membrane, and a protrusion on the top of the lower pressing block. The upper filter element has an upper pressing block on the bottom outside the filter membrane, and a groove is formed at the bottom of the upper pressing block to cooperate with the protrusion. The upper connector is securely placed on the top of the lower connector by cooperating with the protrusion and the groove.

[0012] In a further embodiment, the mounting mechanism includes a base disposed at the bottom of the filtration flask, a mounting frame mounted on the base via a vertical bracket, and a plurality of retaining rings provided on the mounting frame. The flow phase flask is disposed within the retaining rings, and the mounting frame cooperates with the retaining rings to facilitate the installation and fixation of the flow phase flask.

[0013] In a further embodiment, the inner wall of the fixing seat is provided with an internal thread that matches the external thread on the outer periphery of the bottle mouth of the filtration bottle, so that the fixing seat is stably connected to the bottle mouth of the filtration bottle while facilitating the disassembly of the fixing seat.

[0014] In a further embodiment, a cleaning connector is provided on the upper part of one side of the filtration bottle, and a drain connector is provided on the lower part of one side of the filtration bottle.

[0015] Compared with the prior art, the beneficial effects achieved by this utility model are as follows: by installing the fixing ring on the fixing seat on the outer periphery of the bottle mouth of the filtration bottle, the lower connector is installed on the top of the fixing ring by the first locking mechanism, and the upper connector is installed on the top of the lower connector by the second locking mechanism, thus facilitating the installation and disassembly of the upper and lower connectors. When it is necessary to replace the filter membrane, the upper connector is removed, the filter membrane between the lower and upper filter elements is taken out, and then the upper connector is installed, which facilitates the installation and disassembly of the filter membrane and facilitates subsequent cleaning operations. Attached Figure Description

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

[0017] Figure 2 This is a schematic diagram of the filter membrane installation structure of this utility model;

[0018] Figure 3 yes Figure 2 A schematic diagram of the structure of region A in the diagram;

[0019] The attached diagram is labeled as follows: 1. Filter bottle; 2. Fixing ring; 3. Lower connector; 4. Upper connector; 5. Air guide pipe; 6. Suction pipe; 7. Mounting base; 8. Connecting pipe; 9. Fixing base; 10. Positioning block; 11. Locking bolt; 12. Locking groove; 13. Lower filter element; 14. Upper filter element; 15. Filter membrane; 16. Positioning bolt; 17. Positioning groove; 18. Lower pressure block; 19. Upper pressure block; 20. Protrusion; 21. Groove; 22. Base; 23. Vertical frame; 24. Mounting bracket; 25. Snap ring; 26. Flow phase bottle; 27. Liquid guide pipe; 28. Cleaning pipe; 29. ​​Drainage pipe. Detailed Implementation

[0020] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid obscuring the invention.

[0021] Please see Figure 1-3This utility model provides a technical solution: a mobile phase filtration device, including a filtration bottle 1, a fixed seat 9 located on the outer periphery of the bottle mouth of the filtration bottle 1, a fixed ring 2 located on the outer periphery of the fixed seat 9, a lower connector 3 installed on the top of the fixed ring 2 through a first locking mechanism, an upper connector 4 installed on the top of the lower connector 3 through a second locking mechanism, a mounting seat 7 located on the top of the upper connector 4, and a connecting pipe 8 located on the mounting seat 7.

[0022] The lower connector 3 is provided with a lower filter element 13, the upper connector 4 is provided with an upper filter element 14, and a filter membrane 15 is provided between the lower filter element 13 and the upper filter element 14.

[0023] The lower connector 3 is provided with a gas guide tube 5 that extends into the filtration bottle 1, and one end of the gas guide tube 5 is provided with a suction pipe 6 that connects to an external suction device.

[0024] Several mobile phase bottles 26 are mounted on the outside of the filtration flask 1 via an installation mechanism. Each mobile phase bottle 26 has a liquid guide tube 27 at its bottom that mates with a connecting pipe 8. By connecting the liquid guide tube 27 on the mobile phase bottle 26 to the connecting pipe 8, and using an external air extraction device in conjunction with an air extraction pipe 6, air is extracted. This creates a negative pressure inside the filtration flask 1 through the air guide tube 5, causing the mobile phase in the mobile phase bottles 26 to be filtered through the filter membrane 15 between the lower filter element 13 and the upper filter element 14 before flowing into the filtration flask 1 for filtration. A fixing ring 2 is installed on a fixing seat 9 on the outer periphery of the filtration flask 1's opening. The lower connector 3 is installed on the top of the fixing ring 2 by the first locking mechanism, and the upper connector 4 is installed on the top of the lower connector 3 by the second locking mechanism, which facilitates the installation and disassembly of the upper connector 4 and the lower connector 3. When the filter membrane 15 needs to be replaced, the upper connector 4 is removed, the filter membrane 15 between the lower filter element 13 and the upper filter element 14 is taken out, and then the upper connector 4 is installed, which facilitates the installation and disassembly of the filter membrane 15, and facilitates subsequent cleaning operations. The arrangement of several mobile phase bottles 26 makes it convenient to install the liquid guide tube 27 of the corresponding mobile phase bottle 26 on the connecting tube 8 according to the different mobile phases.

[0025] A cleaning connector 28 is provided on the upper part of one side of the filtration flask 1, and a drain connector 29 is provided on the lower part of one side of the filtration flask 1. Both the cleaning connector 28 and the drain connector 29 are equipped with valves. The filtered mobile phase is discharged through the drain connector 29 on the filtration flask 1. One end of the cleaning connector 28 is connected to the cleaning mechanism. The cleaning mechanism works in conjunction with the cleaning connector 28 to clean the inside of the filtration flask 1 after the filtration operation is completed. The waste liquid after cleaning is discharged through the drain connector 29. The cleaning mechanism consists of a cleaning liquid tank and a delivery pipe connected to the cleaning liquid tank. A delivery pump is provided on the delivery pipe. When the filtration flask 1 needs to be cleaned, the delivery pipe is connected to the cleaning connector 28, the delivery pump works, and the cleaning liquid in the cleaning liquid tank is input into the filtration flask 1 to clean the inside of the filtration flask 1.

[0026] In a further embodiment, the first locking mechanism includes a positioning block 10 installed at the bottom of the lower connector 3, a locking hole that mates with the positioning block 10 on the fixing ring 2, a locking groove 12 on one side of the locking hole on the fixing seat 9, and a locking bolt 11 that passes through the locking hole on the fixing ring 2. The locking bolt 11 mates with the locking groove 12. By placing the positioning block 10 in the locking hole and by passing the locking bolt 11 through the locking hole and fixing it in the locking groove 12, the lower connector 3 can be easily installed and disassembled while the connection between the fixing ring 2 and the fixing seat 9 is stable.

[0027] In a further embodiment, the second locking mechanism includes a positioning bolt 16 located on the top of the upper connector 4. The upper connector 4 has a positioning hole that mates with the positioning bolt 16. The top of the lower connector 3 has a positioning groove 17 located on the same vertical line as the positioning hole. The positioning bolt 16 passes through the positioning hole and mates with the positioning groove 17. By inserting the positioning bolt 16 into the positioning hole and fixing it in the positioning groove 17, it is convenient to install and disassemble the upper connector 4.

[0028] In a further embodiment, the lower filter element 13 is provided with a lower pressing block 18 on the outside of the filter membrane 15 at the top, and a protrusion 20 is provided on the top of the lower pressing block 18. The upper filter element 14 is provided with an upper pressing block 19 on the outside of the filter membrane 15 at the bottom, and a groove 21 that cooperates with the protrusion 20 is provided on the bottom of the upper pressing block 19. By cooperating with the protrusion 20 and the groove 21, the upper connector 4 can be securely placed on the top of the lower connector 3.

[0029] In a further embodiment, the installation mechanism includes a base 22 located at the bottom of the filtration bottle 1. A mounting frame 24 is mounted on the base 22 via a vertical frame 23. The mounting frame 24 is provided with a plurality of retaining rings 25. The flow phase bottle 26 is located inside the retaining rings 25. The mounting frame 24 cooperates with the retaining rings 25 to facilitate the installation and fixation of the flow phase bottle 26.

[0030] In a further embodiment, the inner wall of the fixing seat 9 is provided with an internal thread that matches the external thread on the outer periphery of the bottle mouth of the filtration bottle 1, so that the fixing seat 9 is stably connected to the bottle mouth of the filtration bottle 1 while facilitating the disassembly of the fixing seat 9.

[0031] Working principle: By connecting the liquid guide tube 27 on the mobile phase bottle 26 to the connecting tube 8, and cooperating with the external air extraction device and the air extraction tube 6, air is extracted, thereby creating a negative pressure inside the filtration bottle 1 through the air guide tube 5. This causes the mobile phase in the mobile phase bottle 26 to be filtered through the filter membrane 15 between the lower filter element 13 and the upper filter element 14 and then flow into the filtration bottle 1 for filtration. The fixing ring 2 is installed on the fixing seat 9 on the outer periphery of the bottle mouth of the filtration bottle 1, the positioning block 10 is placed in the locking hole, and the locking bolt 11 passes through the locking hole and is fixed to the locking position. Inside the groove 12, the lower connector 3 is installed on top of the fixing ring 2, which facilitates the installation and removal of the lower connector 3 and ensures a stable connection between the fixing ring 2 and the fixing seat 9. By inserting the positioning bolt 16 into the positioning hole and fixing it in the positioning groove 17, the upper connector 4 is installed on top of the lower connector 3, which facilitates the installation and removal of the upper connector 4 and the lower connector 3. When it is necessary to replace the filter membrane 15, the upper connector 4 is removed, the filter membrane 15 between the lower filter element 13 and the upper filter element 14 is taken out, and then the upper connector 4 is installed, which facilitates the installation and removal of the filter membrane 15 and facilitates subsequent cleaning operations.

[0032] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. A mobile phase filtration apparatus, comprising a filtration flask (1), characterized in that: A fixing seat (9) is provided on the outer periphery of the mouth of the filtration bottle (1). A fixing ring (2) is provided on the outer periphery of the fixing seat (9). A lower connector (3) is installed on the top of the fixing ring (2) through a first locking mechanism. An upper connector (4) is installed on the top of the lower connector (3) through a second locking mechanism. A mounting seat (7) is provided on the top of the upper connector (4). A connecting pipe (8) is provided on the mounting seat (7). The lower connector (3) is provided with a lower filter element (13), the upper connector (4) is provided with an upper filter element (14), and a filter membrane (15) is provided between the lower filter element (13) and the upper filter element (14); The lower connector (3) is provided with a gas guide tube (5) that extends into the filtration bottle (1), and one end of the gas guide tube (5) is provided with a suction tube (6) that is connected to an external suction device. Several mobile phase bottles (26) are installed on the outside of the filtration flask (1) through an installation mechanism. The bottom of the mobile phase bottle (26) is provided with a liquid guide tube (27) that cooperates with the connecting tube (8).

2. The mobile phase filtration device according to claim 1, characterized in that: The first locking mechanism includes a positioning block (10) installed at the bottom of the lower connector (3), a locking hole that cooperates with the positioning block (10) is provided on the fixing ring (2), a locking groove (12) is provided on the fixing seat (9) on one side of the locking hole, and a locking bolt (11) that passes through the locking hole is provided on the fixing ring (2), and the locking bolt (11) cooperates with the locking groove (12).

3. The mobile phase filtration device according to claim 1, characterized in that: The second locking mechanism includes a positioning bolt (16) on the top of the upper connector (4), a positioning hole that mates with the positioning bolt (16) is provided on the upper connector (4), and a positioning groove (17) located on the same vertical line as the positioning hole is provided on the top of the lower connector (3). The positioning bolt (16) passes through the positioning hole and mates with the positioning groove (17).

4. The mobile phase filtration device according to claim 1, characterized in that: The lower filter element (13) has a lower pressure block (18) on its top outside the filter membrane (15), and the lower pressure block (18) has a protrusion (20) on its top. The upper filter element (14) has an upper pressure block (19) on its bottom outside the filter membrane (15), and the upper pressure block (19) has a groove (21) at its bottom that matches the protrusion (20).

5. A mobile phase filtration device according to claim 1, characterized in that: The installation mechanism includes a base (22) at the bottom of the filtration bottle (1), and an installation frame (24) is installed on the base (22) via a vertical frame (23). The installation frame (24) is provided with a plurality of retaining rings (25), and the flow phase bottle (26) is disposed in the retaining rings (25).

6. The mobile phase filtration device according to claim 1, characterized in that: The inner wall of the fixed base (9) is provided with an internal thread that matches the external thread on the outer periphery of the bottle mouth of the filtration bottle (1).

7. The mobile phase filtration device according to claim 1, characterized in that: The upper part of one side of the filtration bottle (1) is provided with a cleaning pipe (28), and the lower part of one side of the filtration bottle (1) is provided with a drain pipe (29).

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