A water treatment membrane testing device

Abstract

The utility model relates to the field of testing devices, and discloses a water treatment membrane testing device, comprising a sewage tank, an upper cover and a crawler device, wherein a plurality of agitators are arranged inside the sewage tank, one end of the agitator shaft rod is movably connected to the inner bottom of the sewage tank, one end of the agitator shaft rod passes through the upper cover and is snap-connected to the crawler device, the crawler device is located at the bottom of a linear motor, the output shaft of the linear motor is fixedly connected to the shaft rod of the agitator, the linear motor is fixedly connected to the top of the upper cover, and the upper cover is located at the top of the sewage tank. The utility model is arranged to start the linear motor when sewage is precipitated, the output shaft of the linear motor drives the agitator to rotate, the crawler device at the top end of the agitator shaft rod follows the operation, the crawler device drives another agitator in the sewage tank to rotate, and the sewage follows the agitator to flow inside the sewage tank, so as to avoid the sewage precipitation affecting the testing of the membrane component.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a water treatment membrane testing device. Background Art

[0002] Water treatment membrane uses membrane separation to carry out ultrafiltration technology for concentration, separation and purification. The flux and retention rate of water treatment membrane are important indicators of membrane performance. Testing different membranes such as microfiltration, ultrafiltration, nanofiltration, reverse osmosis membranes, etc. requires different testing devices.

[0003] An existing simple and practical water treatment membrane testing device (Announcement No.: CN204294125U) has at least the following disadvantages: sewage is easily precipitated inside the water tank, which reduces the turbidity of the sewage, affects the filtration test data of the water treatment membrane, causes errors in the test data of the water treatment membrane, and the data of the flow rate before and after sewage filtration is relatively vague, which is not convenient for comparative testing of the water treatment membrane. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water treatment membrane testing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A water treatment membrane testing device comprises a sewage tank, an upper cover and a crawler device, wherein a plurality of agitators are arranged inside the sewage tank, one end of the agitator shaft is movably connected to the inner bottom of the sewage tank, one end of the agitator shaft passes through the upper cover and is snap-connected to the crawler device, the crawler device is located at the bottom of a linear motor, the output shaft of the linear motor is fixedly connected to the shaft of the agitator, the linear motor is fixedly connected to the top of the upper cover, the upper cover is located at the top of the sewage tank, and the upper cover is fixedly connected to the top of the sewage tank by bolts.

[0007] As a further solution of the utility model, the sewage tank, the upper cover and one side of the water tank are all provided with a plurality of pipe openings, and a transport pipe is provided on one side of the upper cover. One end of the transport pipe passes through the pipe opening of the upper cover and enters the interior of the water tank, and the other end of the transport pipe is fixedly connected to a water pump.

[0008] As a further solution of the utility model, a first meter is provided on one side of the transport pipe close to the water pump, and the first meter is fixedly connected to the outside of the transport pipe. The water pump is located on the top of the frame, and the water pump is fixedly connected to the frame.

[0009] As a further solution of the utility model, a plurality of receiving plates are fixedly connected to one side of the frame by threads, a plurality of membrane assemblies are movably connected to the receiving plates, a diversion pipe at one end of the water pump away from the transport pipe is fixedly connected to the top of the membrane assembly, and a plurality of control valves and pressure gauges are respectively fixedly connected to the air flow pipe of the water pump.

[0010] As a further solution of the present invention, the pressure gauge and the control valve are located on the top of the membrane assembly in sequence, the membrane assembly is located on one side of the frame, the side of the frame away from the membrane assembly is fitted and connected to the outside of the sewage tank, and the frame and the membrane assembly are located between the sewage tank and the water storage tank.

[0011] As a further solution of the utility model, the bottom drain pipe of the membrane assembly passes through the top cover pipe port and is movably connected to the inside of the water tank. The drain pipe of the membrane assembly is fixedly connected to a second meter, which is located on one side of the water tank. The inside of the water tank is divided into several spaces by partitions.

[0012] As a further solution of the utility model, the partition is welded inside the water tank, the top cover is movably connected to the top of the water tank, a plurality of square grooves are opened on the top of the top cover, a visual door is provided in the square groove of the top cover, and the visual door is movably connected to the square groove of the top cover through a connecting rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. When sewage settles in the sewage tank, start the linear motor. The output shaft of the linear motor drives the agitator to rotate. The crawler device at the top of the agitator shaft follows the rotation. The crawler device drives another agitator in the sewage tank to rotate. The sewage follows the agitator to flow inside the sewage tank to prevent sewage sedimentation from affecting the testing of the membrane assembly.

[0015] 2. The sewage inside the sewage tank is pumped into the transport pipe by a pump. The first meter counts the total amount of sewage flowing through the transport pipe. The sewage is diverted to different membrane modules for filtration testing through the transport pump. After filtration, the sewage flows out from the drain pipe at the bottom of the membrane module. The second meter on the drain pipe at the bottom of the membrane module counts the amount of filtered water, which is convenient for staff to compare data.

[0016] 3. The drainage pipe of the membrane assembly is engaged in the water tank. The interior of the water tank is divided into several spaces by partitions. The filtered sewage is discharged into the water tank through the drainage pipe. When the staff opens the visual door to sample and test the filtered water, the staff can observe the filtered water inside the water tank through the visual door, and the visual door has an anti-splashing function for the filtered water being discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a water treatment membrane testing device proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a sewage tank of a water treatment membrane testing device proposed by the utility model;

[0019] Figure 3 This is a structural schematic diagram of a membrane assembly of a water treatment membrane testing device proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a water storage tank of a water treatment membrane testing device proposed by the utility model;

[0021] In the figure: 1. sewage tank; 101 agitator; 2. upper cover; 3. crawler device; 4. linear motor; 5. transport pipe; 6. first meter; 7. water pump; 8. frame; 9. receiving plate; 10. membrane assembly; 11. control valve; 12. pressure gauge; 13. second meter; 14. water storage tank; 1401. partition; 1402. top cover; 1403. visual door. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference Figure 1-Figure 4A water treatment membrane testing device comprises a sewage tank 1, an upper cover 2 and a crawler device 3. A plurality of agitators 101 are arranged inside the sewage tank 1. One end of the agitator 101 shaft is movably connected to the inner bottom of the sewage tank 1. One end of the agitator 101 shaft passes through the upper cover 2 and is snap-connected to the crawler device 3. The crawler device 3 is located at the bottom of a linear motor 4. The output shaft of the linear motor 4 is fixedly connected to the shaft of the agitator 101. The linear motor 4 is fixedly connected to the top of the upper cover 2. The upper cover 2 is located at the top of the sewage tank 1. The upper cover 2 is fixedly connected to the top of the sewage tank 1 by bolts.

[0026] During use, when sewage settles in the sewage tank 1, the linear motor 4 is started, and the output shaft of the linear motor 4 drives the agitator 101 to rotate. The track device 3 at the top of the shaft of the agitator 101 follows the operation, and the track device 3 drives another agitator 101 in the sewage tank 1 to rotate. The sewage follows the agitator 101 to flow inside the sewage tank 1, so as to prevent sewage sedimentation from affecting the testing of the membrane assembly 10.

[0027] In this embodiment, a plurality of pipe openings are provided on the sewage tank 1, the upper cover 2 and one side of the water tank. A transport pipe 5 is provided on one side of the upper cover 2. One end of the transport pipe 5 passes through the pipe opening of the upper cover 2 and enters the interior of the water tank. The other end of the transport pipe 5 is fixedly connected to the water pump 7.

[0028] When in use, the staff rotates the bolts to remove the upper cover 2 from the sewage tank 1, which is convenient for cleaning the inside of the sewage tank 1. The pipe openings opened on the side of the sewage tank 1 and the top of the top cover 2 are convenient for the sewage to enter and exit.

[0029] In this embodiment, a first meter 6 is provided on one side of the transport pipe 5 close to the water pump 7 , and the first meter 6 is fixedly connected to the outside of the transport pipe 5 . The water pump 7 is located on the top of the frame 8 , and the water pump 7 is fixedly connected to the frame 8 .

[0030] When in use, the sewage inside the sewage tank 1 is pumped into the transport pipe 5 by the pump 7, and the first meter 6 counts the total amount of sewage flowing through the transport pipe 5. The sewage is diverted to different membrane modules 10 through the transport pump 7 for filtration testing.

[0031] In this embodiment, a plurality of receiving plates 9 are fixedly connected to one side of the frame 8 by threads, a plurality of membrane assemblies 10 are movably connected to the receiving plates 9, a diversion pipe at one end of the water pump 7 away from the transport pipe 5 is fixedly connected to the top of the membrane assembly 10, and a plurality of control valves 11 and pressure gauges 12 are respectively fixedly connected to the air flow pipe of the water pump 7.

[0032] When in use, both the top and bottom sides of the membrane assembly 10 are snap-connected to the receiving plate 9 to facilitate fixing the position of the membrane assembly 10 . The staff rotates the bolts to disassemble the receiving plate 9 to facilitate replacement and installation of the membrane assembly 10 .

[0033] In this embodiment, the pressure gauge 12 and the control valve 11 are located on the top of the membrane assembly 10 in sequence. The membrane assembly 10 is located on one side of the frame 8. The side of the frame 8 away from the membrane assembly 10 is fitted and connected to the outside of the sewage tank 1. The frame 8 and the membrane assembly 10 are located between the sewage tank 1 and the water storage tank 14.

[0034] When in use, control valves 11 are provided on both the top and bottom sides of the membrane assembly 10 . The pressure of the membrane assembly 10 is adjusted by adjusting the control valves 11 , thereby testing the flux and the retention rate of the membrane assembly 10 and improving the testing of the membrane assembly 10 .

[0035] In this embodiment, the drainage pipe at the bottom of the membrane assembly 10 passes through the top cover 1402 and is movably connected to the inside of the water tank 14. The drainage pipe of the membrane assembly 10 is fixedly connected to the second meter 13, which is located on one side of the water tank 14. The inside of the water tank 14 is divided into several spaces by the partition 1401.

[0036] When in use, after the sewage is filtered, it flows out from the drainage pipe at the bottom of the membrane module 10, and the second meter 13 on the drainage pipe at the bottom of the membrane module 10 counts the amount of filtered water.

[0037] In this embodiment, the partition 1401 is welded inside the water tank 14, the top cover 1402 is movably connected to the top of the water tank 14, a plurality of square grooves are opened on the top of the top cover 1402, a visual door 1403 is provided in the square groove of the top cover 1402, and the visual door 1403 is movably connected in the square groove of the top cover 1402 through a connecting rod.

[0038] When in use, the filtered sewage is discharged into the water tank 14 through the drain pipe. When the staff opens the visual door 1403 to sample and test the filtered water, the staff can observe the filtered water inside the water tank 14 through the visual door 1403, and the visual door 1403 has an anti-splashing function for the filtered water being discharged.

[0039] From the above description, it can be seen that the above-mentioned embodiments of the utility model achieve the following technical effects: when sewage settles in the sewage tank 1, the linear motor 4 is started, and the output shaft of the linear motor 4 drives the agitator 101 to rotate, and the crawler device 3 at the top of the shaft of the agitator 101 follows the operation, and the crawler device 3 drives another agitator 101 in the sewage tank 1 to rotate, and the sewage follows the agitator 101 to flow inside the sewage tank 1, so as to avoid the sewage sedimentation affecting the testing of the membrane assembly 10, and the sewage inside the sewage tank 1 is pumped into the transport pipe 5 by the pump 7, and the first meter 6 counts the total amount of sewage flowing through the transport pipe 5, and the sewage is diverted by the transport pump 7 The filtration test is carried out in different membrane modules 10. After the sewage is filtered, it flows out from the drain pipe at the bottom of the membrane module 10. The second meter 13 on the drain pipe at the bottom of the membrane module 10 counts the amount of filtered water, which is convenient for the staff to compare the data. The drain pipe of the membrane module 10 is engaged in the water storage tank 14. The inside of the water storage tank 14 is divided into several spaces by the partition 1401. The filtered sewage is discharged into the water storage tank 14 through the drain pipe. When the staff opens the visual door 1403 to sample and test the filtered water, the staff can observe the filtered water inside the water storage tank 14 through the visual door 1403, and the visual door 1403 has an anti-splashing function for the filtered water being discharged.

[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A water treatment membrane testing device, comprising a sewage tank (1), an upper cover (2) and a crawler device (3), characterized in that: A plurality of stirrers (101) are arranged inside the sewage tank (1); one end of the shaft of the stirrer (101) is movably connected to the inner bottom of the sewage tank (1); one end of the shaft of the stirrer (101) passes through the upper cover (2) and is snap-connected to the crawler device (3); the crawler device (3) is located at the bottom of the linear motor (4); the output shaft of the linear motor (4) is fixedly connected to the shaft of the stirrer (101); the linear motor (4) is fixedly connected to the top of the upper cover (2); the upper cover (2) is located at the top of the sewage tank (1); and the upper cover (2) is fixedly connected to the top of the sewage tank (1) by bolts.

2. A water treatment membrane testing device according to claim 1, characterized in that: The sewage tank (1), the upper cover (2) and one side of the water storage tank are all provided with a plurality of pipe openings. A transport pipe (5) is provided on one side of the upper cover (2). One end of the transport pipe (5) passes through the pipe opening of the upper cover (2) and enters the interior of the water storage tank. The other end of the transport pipe (5) is fixedly connected to a water pump (7).

3. A water treatment membrane testing device according to claim 2, characterized in that: A first meter (6) is provided on one side of the transport pipe (5) close to the water pump (7); the first meter (6) is fixedly connected to the outside of the transport pipe (5); the water pump (7) is located on the top of the frame (8); and the water pump (7) is fixedly connected to the frame (8).

4. A water treatment membrane testing device according to claim 3, characterized in that: One side of the frame (8) is fixedly connected to a plurality of receiving plates (9) by means of threads, and a plurality of membrane assemblies (10) are movably connected to the receiving plates (9); a branch pipe at one end of the water pump (7) away from the transport pipe (5) is fixedly connected to the top of the membrane assembly (10); and a plurality of control valves (11) and pressure gauges (12) are respectively fixedly connected to the air flow pipe of the water pump (7).

5. A water treatment membrane testing device according to claim 4, characterized in that: The pressure gauge (12) and the control valve (11) are located on the top of the membrane assembly (10) in sequence; the membrane assembly (10) is located on one side of the frame (8); a side of the frame (8) away from the membrane assembly (10) is closely connected to the outside of the sewage tank (1); and the frame (8) and the membrane assembly (10) are located between the sewage tank (1) and the water storage tank (14).

6. A water treatment membrane testing device according to claim 5, characterized in that: The drainage pipe at the bottom of the membrane assembly (10) passes through the pipe opening of the top cover (1402) and is movably connected to the inside of the water tank (14). The drainage pipe of the membrane assembly (10) is fixedly connected to a second meter (13), and the second meter (13) is located on one side of the water tank (14). The inside of the water tank (14) is divided into a plurality of spaces by a partition (1401).

7. A water treatment membrane testing device according to claim 6, characterized in that: The partition (1401) is welded inside the water tank (14); the top cover (1402) is movably connected to the top of the water tank (14); a plurality of square grooves are provided on the top of the top cover (1402); a visual door (1403) is provided in the square groove of the top cover (1402); and the visual door (1403) is movably connected to the square groove of the top cover (1402) via a connecting rod.

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