A filtering experiment test device

Abstract

The present invention relates to the field of filtration testing technology, and in particular to a filtration experiment testing device, comprising a cylinder, a connecting end, an upper head, a lower head and a sealing mechanism, wherein the two ends of the cylinder are respectively provided with connecting ends, the connecting ends of the cylinder are respectively detachably provided with an upper head and a lower head, the upper head is provided with a plurality of first pipe openings, the lower head is provided with a plurality of second pipe openings, and a sealing mechanism is installed inside the cylinder; by fixing filter materials to be tested with different precisions step by step, and then in the test process, the impurity particle size distribution of the test liquid and gas is judged by the interception amount of the filter materials to be tested with different precisions; in the field of adsorption materials, the adsorption amount of the filter materials to be tested on gas and liquid, the adsorption effect of different filter material thicknesses to be tested and the filtration resistance of different filter material thicknesses to be tested are tested, and the usage of the adsorption material and the selection parameters of the equipment are confirmed by the test data.

Description

Technical Field

[0001] The invention relates to the technical field of filtration testing, in particular to a filtration experiment testing device. Background Art

[0002] In the daily production and operation process, it is necessary to contact and understand a variety of materials or gases with different impurities. Before proposing a design plan, it is necessary to test different samples and select the best filtration plan from the obtained data;

[0003] In the field of adsorption materials, it is necessary to test the adsorption capacity of certain gases and liquids, the adsorption effect of different material thicknesses, and the filtration resistance of different material thicknesses. The test data can be used to confirm the usage of adsorption materials and the selection parameters of equipment.

[0004] When conducting tests, existing testing devices are unable to intuitively test the distribution of particle sizes in liquid and gas samples and the adsorption performance of adsorbent materials for certain gases or liquids. In addition, the filter material to be tested needs to be clamped and fixed before and after the test, so the entire device needs to be disassembled and assembled, and the overall disassembly and assembly procedure of the device is cumbersome. Summary of the invention

[0005] The problem to be solved by the present invention is to provide a filtering experiment testing device, which solves the above-mentioned technical problems.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A filtering experiment test device comprises a cylinder, a connecting end, an upper sealing head, a lower sealing head and a sealing mechanism, wherein the two ends of the cylinder are respectively provided with connecting ends, the connecting ends of the cylinder are respectively detachably provided with an upper sealing head and a lower sealing head, the upper sealing head is provided with a plurality of first pipe openings, the lower sealing head is provided with a plurality of second pipe openings, and a sealing mechanism is installed inside the cylinder;

[0008] The sealing mechanism includes a flange plate that is detachably installed between the cylinder and the upper head, and a plurality of module pressure plates are stacked and installed on the bottom side of the flange plate. Filter materials to be tested with different precisions are clamped between the flange plate and the module pressure plates and between adjacent module pressure plates, and the precision of the filter materials to be tested increases step by step from top to bottom. Auxiliary components for loading and unloading the filter materials to be tested between adjacent module pressure plates are installed on the outer sides of the flange plate and the module pressure plates.

[0009] Preferably, a first cylinder sealing ring is installed between the connecting end between the flange and the top of the cylinder and the upper head, and the first bolt passes through the upper head, the first mounting hole of the flange, the first cylinder sealing ring and the connecting end of the top of the cylinder and is connected to the first nut;

[0010] A second cylinder sealing ring is installed between the connecting end at the bottom of the cylinder and the lower head, and a second bolt penetrates the connecting end at the bottom of the cylinder, the second cylinder sealing ring and the lower head and is connected with a second nut.

[0011] Preferably, the number of the first pipe openings and the second pipe openings are both 3, the first pipe openings include a feed port, an air inlet and a pressure gauge port, and the second pipe openings include a discharge port, a backwash port and a spare port.

[0012] Preferably, a first leak plate is installed in the middle of the flange, a plurality of first mounting holes and second mounting holes are opened on the flange, and a first pressure ring is arranged on the bottom side of the flange.

[0013] Preferably, a second leak plate is installed in the middle of the module pressure plate, a limiting ring is arranged on the top side of the module pressure plate, a plurality of third mounting holes are opened on the module pressure plate, a second pressure ring is arranged on the bottom side of the module pressure plate, the diameters of the first pressure ring and the second pressure ring are smaller than the inner diameter of the limiting ring, and a module sealing ring is installed on the bottom side of the filter material to be tested.

[0014] Preferably, screws are installed through the second mounting hole and the third mounting hole, and third nuts are threadedly installed on both ends of the screws.

[0015] Preferably, the auxiliary component includes a first ring cover installed on the outside of the module pressure plate at the bottom of the cylinder, a first swivel is rotatably installed on the outer bearing of the first ring cover, a threaded rod is rotatably installed on the first ring cover, and a multilateral slide groove is opened on the top of the threaded rod, a multilateral slider is slidably installed in the multilateral slide groove, and the multilateral slider is connected to the bottom end of the connecting rod, the top of the connecting rod is connected to the flange plate bearing, a second ring cover is threadedly installed on the threaded rod, and a second swivel is rotatably installed on the outer bearing of the second ring cover, and a plurality of swivel plates are rotatably installed on the top side of the second ring cover.

[0016] Preferably, the bottom end of the threaded rod is located in the first ring cover and is equipped with a first rotating tooth, the inner side of the first rotating ring is provided with a first inner ring tooth meshing with the first rotating tooth, the bottom side of the first ring cover is equipped with a first motor, and the output end of the first motor is connected to one of the first rotating teeth.

[0017] Preferably, a rotating shaft is installed on the bottom side of the rotating plate, and a second rotating tooth is installed on the bottom end of the rotating shaft inside the second ring cover, a second inner ring tooth meshing with the second rotating tooth is provided on the inner side of the second rotating ring, a second motor is installed on the bottom side of the second ring cover, and the output end of the second motor is connected to one of the second rotating teeth.

[0018] Preferably, the specific operating steps of the device are as follows:

[0019] Step 1: Move the sealing mechanism out of the cylinder through the lifting device to disassemble and assemble the filter material to be tested. During the disassembly and assembly of the filter material to be tested, loosen the third nut to the top of the screw rod. At this time, the threaded rod moves down along the multilateral slider at the bottom of the connecting rod through the multilateral slide groove to separate the flange plate and the module pressure plate. At this time, the first motor drives one of the first rotating teeth to rotate and cooperate with the meshing first inner ring teeth to realize the rotation of the first rotating ring. The rotating first rotating ring realizes the synchronous rotation of multiple first rotating teeth through the first inner ring teeth, thereby realizing the rotation of the threaded rod, driving the threaded second ring cover to move up and down. When the second ring cover moves between adjacent module pressure plates, the second motor drives one of the second rotating teeth to rotate and cooperate with the meshing second inner ring teeth to realize the rotation of the second rotating ring. The rotating second rotating ring realizes the synchronous rotation of multiple second rotating teeth through the second inner ring teeth, thereby driving the rotating shaft and the rotating plate to rotate. The rotating plate rotates between two adjacent module pressure plates. As the second ring cover moves upward, the two module pressure plates are separated, thereby replacing the filter material to be tested.

[0020] Step 2: After the replacement is completed, put the sealing mechanism into the cylinder, install the cylinder and the upper head, let the test liquid and gas enter the cylinder through the first pipe port, and pass through each layer of the filter material to be tested in the sealing mechanism from top to bottom. The filter material to be tested adopts a gradient accuracy configuration, and the accuracy increases step by step from top to bottom. Different particles are intercepted in turn. The impurity particle size distribution of the test liquid and gas is judged by the interception amount of the filter material to be tested with different accuracy. At the same time, the adsorption effect of some raw material components in the test liquid and gas is tested.

[0021] The beneficial effects of the present invention are as follows: by fixing the filter materials to be tested with different precisions step by step, and then in the test process, judging the impurity particle size distribution of the test liquid and gas by the interception amount of the filter materials to be tested with different precisions, in the field of adsorption materials, testing the adsorption amount of the filter materials to be tested on gas and liquid, the adsorption effect of different thicknesses of the filter materials to be tested, and the filtration resistance of different thicknesses of the filter materials to be tested, and confirming the usage of the adsorption material and the selection parameters of the equipment through the test data;

[0022] Through the second ring cover in the auxiliary component that moves up and down along the threaded rod and the rotating plate on the second ring cover that rotates synchronously, the automatic separation of the two adjacent module pressure plates is realized, which facilitates the rapid loading and unloading of the filter material to be tested without the need to disassemble the sealing mechanism as a whole, greatly improving the loading and unloading efficiency of the filter material to be tested and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the first structure of the flange of the present invention;

[0026] Figure 4 This is a schematic diagram of the second structure of the flange of the present invention;

[0027] Figure 5 This is a schematic diagram of the assembly structure of the module pressing plate of the present invention;

[0028] Figure 6 This is a schematic diagram of the module pressing plate structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the first structure of the auxiliary component of the present invention;

[0030] Figure 8 This is a second structural schematic diagram of the auxiliary component of the present invention;

[0031] Fig. 9 It is a partial cross-sectional view of the threaded rod of the present invention;

[0032] Fig.10 This is a schematic diagram of the internal structure of the first ring cover of the present invention;

[0033] Fig.11 It is a schematic diagram of the internal structure of the second ring cover of the present invention.

[0034] Legend:

[0035] 1. Cylinder; 2. Connecting end; 3. Upper end cap; 4. First pipe opening; 5. Lower end cap; 6. Second pipe opening; 7. First bolt; 8. First nut; 9. First cylinder seal ring; 10. Second bolt; 11. Second nut; 12. Second cylinder seal ring; 13. Sealing mechanism; 14. Flange plate; 15. Module pressure plate; 16. First leak plate; 17. First pressure ring; 18. First mounting hole; 19. Second mounting hole; 20. Second leak plate; 21. Limiting ring; 22. Third Mounting hole; 23, second pressure ring; 24, filter material to be tested; 25, module sealing ring; 26, first ring cover; 27, first rotating ring; 28, threaded rod; 29, multilateral slide groove; 30, multilateral slider; 31, connecting rod; 32, second ring cover; 33, second rotating ring; 34, first motor; 35, first rotating tooth; 36, first inner ring tooth; 37, second rotating tooth; 38, rotating shaft; 39, second inner ring tooth; 40, second motor; 41, rotating plate; 42, screw; 43, third nut. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Specific examples are given below.

[0038] See also Figure 1 to Figure 11 A filtering experiment test device comprises a cylinder 1, a connecting end 2, an upper head 3, a lower head 5 and a sealing mechanism 13. The cylinder 1, the upper head 3 and the lower head 5 are made of organic glass. The two ends of the cylinder 1 are respectively provided with connecting ends 2. The connecting ends 2 of the cylinder 1 are respectively detachably installed with the upper head 3 and the lower head 5. The upper head 3 is provided with a plurality of first pipe openings 4, and the lower head 5 is provided with a plurality of second pipe openings 6. A sealing mechanism 13 is installed inside the cylinder 1. The sealing mechanism 13 is made of polypropylene. A first cylinder sealing ring 9 is installed between the flange plate 14 and the connecting end 2 at the top of the cylinder 1 and the upper head 3, and a first bolt 7 passes through the upper head 3, the flange The first mounting hole 18 of the flower plate 14, the first cylinder sealing ring 9 and the connecting end 2 at the top of the cylinder 1 are connected with the first nut 8, and the second cylinder sealing ring 12 is installed between the connecting end 2 at the bottom of the cylinder 1 and the lower head 5, and the second bolt 10 passes through the connecting end 2 at the bottom of the cylinder 1, the second cylinder sealing ring 12 and the lower head 5 are connected with the second nut 11, so as to facilitate the assembly and unloading of the device as a whole. The number of the first pipe opening 4 and the second pipe opening 6 are both 3. The first pipe opening 4 includes a feed port, an air inlet and a pressure gauge port. The internal pressure is adjusted during the test through the air inlet and observed through the pressure gauge. The second pipe opening 6 includes a discharge port, a backwash port and a spare port.

[0039] The sealing mechanism 13 is placed in the cylinder 1, and the cylinder 1 and the upper head 3 are installed. The test liquid and gas enter the cylinder 1 through the first pipe opening 4, and pass through each layer of the filter material 24 to be tested in the sealing mechanism 13 from top to bottom. The filter material 24 to be tested adopts a gradient accuracy configuration, and the accuracy is gradually improved from top to bottom. Different particles are intercepted in turn. The impurity particle size distribution of the test liquid and gas is judged by the interception amount of the filter material 24 to be tested with different accuracy. At the same time, the adsorption effect of some raw material components in the test liquid and gas is tested. The first step is to preliminarily screen out the impurity particle size distribution of the sample to be tested, and filter from 100um-3um. If it is found that the particle size distribution in a certain area is more concentrated, such as 3um-5um impurities are particularly abundant, the second step focuses on analyzing the impurity distribution of 3um-5um, and uses 1, 2, 3, 5, and 10um filter materials 24 to be tested for testing, so as to obtain a more accurate particle size distribution.

[0040] The sealing mechanism 13 includes a flange plate 14 detachably mounted between the cylinder 1 and the upper head 3, a plurality of module pressing plates 15 are stacked and mounted on the bottom side of the flange plate 14, filter materials 24 to be tested with different precisions are clamped between the flange plate 14 and the module pressing plates 15, and between adjacent module pressing plates 15, and the precision of the filter materials 24 to be tested is gradually increased from top to bottom, a first leak plate 16 is mounted in the middle of the flange plate 14, and a plurality of first mounting holes 18 and second mounting holes 19 are opened on the flange plate 14. Hole 19, a first pressure ring 17 is arranged on the bottom side of the flange plate 14, a second leak plate 20 is installed in the middle of the module pressure plate 15, a limit ring 21 is arranged on the top side of the module pressure plate 15, a plurality of third mounting holes 22 are opened on the module pressure plate 15, a second pressure ring 23 is arranged on the bottom side of the module pressure plate 15, the diameters of the first pressure ring 17 and the second pressure ring 23 are smaller than the inner diameter of the limit ring 21, a module sealing ring 25 is installed on the bottom side of the filter material 24 to be tested, and the first pressure ring 17 cooperates with the limit ring 21;

[0041] The filter material 24 to be tested is sealed and clamped between the flange orchid 14 and the module pressure plate 15. The second pressure ring 23 cooperates with the limit ring 21 to seal and clamp the filter material 24 to be tested between the two module pressure plates 15, and the module sealing ring 25 is used to ensure the sealing of the installation. At this time, a closed test space is formed between the flange orchid 14 and the module pressure plate 15, and between two adjacent module pressure plates 15. A screw rod 42 is installed through the second installation hole 19 and the third installation hole 22, and a third nut 43 is threadedly installed at both ends of the screw rod 42, so as to facilitate the combination and installation of the flange orchid 14 and multiple module pressure plates 15 together, and tighten the third nut 43 to ensure that the filter material 24 to be tested is sealed and clamped between the flange orchid 14 and the module pressure plate 15 and between adjacent module pressure plates 15.

[0042] Auxiliary components for loading and unloading the filter material 24 to be tested between adjacent module pressing plates 15 are installed on the outer side of the flange plate 14 and the module pressing plate 15, and the auxiliary components include a first ring cover 26 installed on the outer side of the module pressing plate 15 at the bottom of the cylinder 1, and a first swivel 27 is rotatably installed on the outer bearing of the first ring cover 26, and a threaded rod 28 is rotatably installed on the first ring cover 26, and a multilateral slide groove 29 is provided at the top of the threaded rod 28, and a multilateral slider 30 is slidably installed in the multilateral slide groove 29, and the multilateral slider 30 is connected to the bottom end of the connecting rod 31, and the top of the connecting rod 31 is connected to the flange plate 14 bearing, and a second ring cover 32 is threadedly installed on the threaded rod 28, and a second swivel 3 is rotatably installed on the outer bearing of the second ring cover 32. 3. A plurality of rotating plates 41 are rotatably mounted on the top side of the second ring cover 32. The bottom end of the threaded rod 28 is located in the first ring cover 26 and is mounted with a first rotating tooth 35. The inside of the first rotating ring 27 is provided with a first inner ring tooth 36 meshing with the first rotating tooth 35. The bottom side of the first ring cover 26 is provided with a first motor 34. The output end of the first motor 34 is connected to one of the first rotating teeth 35. A rotating shaft 38 is mounted on the bottom side of the rotating plate 41. The bottom end of the rotating shaft 38 is located in the second ring cover 32 and is mounted with a second rotating tooth 37. The inside of the second rotating ring 33 is provided with a second inner ring tooth 39 meshing with the second rotating tooth 37. A second motor 40 is mounted on the bottom side of the second ring cover 32. The output end of the second motor 40 is connected to one of the second rotating teeth 37.

[0043] The sealing mechanism 13 is moved out of the cylinder 1 through the lifting device to disassemble and assemble the filter material 24 to be tested. During the disassembly and assembly of the filter material 24 to be tested, the third nut 43 is loosened to the top of the screw rod 42. At this time, the threaded rod 28 moves down along the multilateral slider 30 at the bottom of the connecting rod 31 through the multilateral slide groove 29 to separate the flange plate 14 and the module pressure plate 15. At this time, the first motor 34 drives one of the first rotating teeth 35 to rotate, and cooperates with the meshing first inner ring teeth 36 to realize the rotation of the first rotating ring 27. The rotating first rotating ring 27 realizes the synchronous rotation of multiple first rotating teeth 35 through the first inner ring teeth 36, thereby realizing the threaded rod 28 The rotation drives the threaded second ring cover 32 to move up and down. When the second ring cover 32 moves between adjacent module pressure plates 15, the second motor 40 drives one of the second rotating teeth 37 to rotate, and cooperates with the meshing second inner ring teeth 39 to realize the rotation of the second rotating ring 33. The rotating second rotating ring 33 realizes the synchronous rotation of multiple second rotating teeth 37 through the second inner ring teeth 39, thereby driving the rotation of the rotating shaft 38 and the rotating plate 41. The rotating plate 41 rotates between two adjacent module pressure plates 15. As the second ring cover 32 moves upward, the two module pressure plates 15 are separated, and then the filter material 24 to be tested is replaced.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filtration test device, characterized in that: The invention comprises a cylinder (1), a connecting end (2), an upper sealing head (3), a lower sealing head (5) and a sealing mechanism (13), wherein the two ends of the cylinder (1) are respectively provided with connecting ends (2), the connecting end (2) of the cylinder (1) is respectively detachably provided with an upper sealing head (3) and a lower sealing head (5), the upper sealing head (3) is provided with a plurality of first pipe openings (4), the lower sealing head (5) is provided with a plurality of second pipe openings (6), and the sealing mechanism (13) is installed inside the cylinder (1); The sealing mechanism (13) comprises a flange plate (14) detachably mounted between the cylinder (1) and the upper head (3); a plurality of module pressing plates (15) are stacked and mounted on the bottom side of the flange plate (14); filter materials (24) to be tested with different precisions are clamped between the flange plate (14) and the module pressing plates (15) and between adjacent module pressing plates (15); and the precision of the filter materials (24) to be tested increases step by step from top to bottom; auxiliary components for loading and unloading the filter materials (24) to be tested between adjacent module pressing plates (15) are mounted on the outer sides of the flange plate (14) and the module pressing plates (15); The auxiliary component comprises a first ring cover (26) mounted on the outer side of the module pressure plate (15) at the bottom of the cylinder (1), a first swivel ring (27) rotatably mounted on the outer side bearing of the first ring cover (26), a threaded rod (28) rotatably mounted on the first ring cover (26), and a multi-sided slide groove (29) is provided at the top of the threaded rod (28), a multi-sided slider (30) is slidably mounted in the multi-sided slide groove (29), and the multi-sided slider (30) is connected to the bottom end of a connecting rod (31), and the top end of the connecting rod (31) is connected to the bearing of the flange (14), a second ring cover (32) is threadedly mounted on the threaded rod (28), and a second swivel ring (33) is rotatably mounted on the outer side bearing of the second ring cover (32), and a plurality of swivel plates (41) are rotatably mounted on the top side of the second ring cover (32).

2. A filtering experiment test device according to claim 1, characterized in that: A first cylinder sealing ring (9) is installed between the flange (14) and the connecting end (2) at the top of the cylinder (1) and the upper head (3), and a first bolt (7) passes through the upper head (3), the first mounting hole (18) of the flange (14), the first cylinder sealing ring (9) and the connecting end (2) at the top of the cylinder (1) and is connected to a first nut (8); A second cylinder sealing ring (12) is installed between the connecting end (2) at the bottom of the cylinder (1) and the lower head (5), and a second bolt (10) passes through the connecting end (2) at the bottom of the cylinder (1), the second cylinder sealing ring (12) and the lower head (5) and is connected to the second nut (11).

3. A filtering experiment test device according to claim 2, characterized in that: The number of the first pipe openings (4) and the number of the second pipe openings (6) are both three; the first pipe openings (4) include a feed opening, an air inlet and a pressure gauge opening; and the second pipe openings (6) include a discharge opening, a backwash opening and a spare opening.

4. A filtering experiment test device according to claim 3, characterized in that: A first drain plate (16) is installed in the middle of the flange plate (14), a plurality of first mounting holes (18) and second mounting holes (19) are opened on the flange plate (14), and a first pressure ring (17) is arranged on the bottom side of the flange plate (14).

5. A filtering experiment test device according to claim 4, characterized in that: A second leak plate (20) is installed in the middle of the module pressure plate (15), a limit ring (21) is arranged on the top side of the module pressure plate (15), a plurality of third mounting holes (22) are opened on the module pressure plate (15), a second pressure ring (23) is arranged on the bottom side of the module pressure plate (15), the diameters of the first pressure ring (17) and the second pressure ring (23) are smaller than the inner diameter of the limit ring (21), and a module sealing ring (25) is installed on the bottom side of the filter material (24) to be tested.

6. A filtering experiment test device according to claim 5, characterized in that: A screw rod (42) is installed through the second installation hole (19) and the third installation hole (22), and third nuts (43) are respectively threadedly installed at both ends of the screw rod (42).

7. A filtering experiment test device according to claim 1, characterized in that: The bottom end of the threaded rod (28) is located in the first ring cover (26) and is installed with a first rotating tooth (35); the inner side of the first rotating ring (27) is provided with a first inner ring tooth (36) meshing with the first rotating tooth (35); the bottom side of the first ring cover (26) is installed with a first motor (34); the output end of the first motor (34) is connected to one of the first rotating teeth (35).

8. A filtering experiment test device according to claim 7, characterized in that: A rotating shaft (38) is mounted on the bottom side of the rotating plate (41), and a second rotating tooth (37) is mounted on the bottom end of the rotating shaft (38) located in the second ring cover (32), and a second inner ring tooth (39) meshing with the second rotating tooth (37) is arranged on the inner side of the second rotating ring (33), and a second motor (40) is mounted on the bottom side of the second ring cover (32), and an output end of the second motor (40) is connected to one of the second rotating teeth (37).

9. A filtering experiment test device according to claim 8, characterized in that: The specific operation steps of the device are as follows: Step 1: The sealing mechanism (13) is moved out of the cylinder (1) through the lifting device to disassemble and assemble the filter material (24) to be tested. During the disassembly and assembly of the filter material (24) to be tested, the third nut (43) is loosened to the top of the screw rod (42). At this time, the threaded rod (28) moves downward along the multilateral slider (30) at the bottom of the connecting rod (31) through the multilateral slide groove (29), so that the flange (14) and the module pressure plate (15) are separated. At this time, the first motor (34) drives one of the first rotating teeth (35) to rotate, and cooperates with the meshing first inner ring teeth (36) to realize the rotation of the first rotating ring (27). The rotating first rotating ring (27) realizes the synchronous rotation of multiple first rotating teeth (35) through the first inner ring teeth (36), thereby realizing the threaded rod (28). The rotation of the rod (28) drives the threaded second ring cover (32) to move up and down. When the second ring cover (32) moves between adjacent module pressure plates (15), the second motor (40) drives one of the second rotating teeth (37) to rotate, and cooperates with the meshing second inner ring teeth (39) to realize the rotation of the second rotating ring (33). The rotating second rotating ring (33) realizes the synchronous rotation of multiple second rotating teeth (37) through the second inner ring teeth (39), thereby driving the rotation of the rotating shaft (38) and the rotating plate (41). The rotating plate (41) rotates between two adjacent module pressure plates (15). As the second ring cover (32) moves upward, the two module pressure plates (15) are separated, and the filter material (24) to be tested is replaced. Step 2: After the replacement is completed, the sealing mechanism (13) is placed into the cylinder (1), and the cylinder (1) and the upper head (3) are installed. The test liquid and gas enter the cylinder (1) through the first pipe opening (4), and pass through each layer of the filter material (24) to be tested in the sealing mechanism (13) from top to bottom. The filter material (24) to be tested adopts a gradient accuracy configuration, and the accuracy is gradually improved from top to bottom. Different particles are intercepted in turn. The impurity particle size distribution of the test liquid and gas is judged by the interception amount of the filter material (24) to be tested with different accuracies, and the adsorption effect of some raw material components in the test liquid and gas is tested at the same time.

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