A layered extraction sampling device for online detection of filterable wastewater

Abstract

The utility model belongs to wastewater detection sampling technical field, concretely is a kind of layered extraction sampling device for filterable wastewater on-line detection, including wastewater detection box body, the front side of wastewater detection box body is rotatably installed with door, the upper end of door is provided with control screen, the upper end of wastewater detection box body is fixedly installed with control module, wastewater detection box body is fixedly installed with detection jar in, multiple detection cavities are arranged in detection jar, the lower side of detection jar is fixedly installed with multiple first connecting pipes, the right end of wastewater detection box body is fixedly installed with multiple water pumps in;Through the setting of sample storage assembly, when multiple water pumps are extracted and detected to wastewater, the extracted wastewater can be transported to sample storage box through multiple three-way joints and multiple second connecting pipes, and the extracted wastewater sample is stored by sample storage assembly, which is convenient for subsequent review or further analysis of wastewater, improves the accuracy and reliability of wastewater detection.

Description

Technical Field

[0001] This utility model belongs to the field of wastewater detection and sampling technology, specifically a layered extraction sampling device for online detection of filterable wastewater. Background Technology

[0002] With the increasing awareness of environmental protection, factories are having increasingly higher requirements for wastewater discharge. A large amount of wastewater and waste gas are generated during industrial chemical production. In the current technology, when monitoring the discharged wastewater and waste gas in real time, samples must first be extracted from the wastewater and analyzed using a water quality analyzer. Then, the waste gas in the wastewater must also be analyzed to determine the composition and content of various pollutants in the wastewater and waste gas. Wastewater and waste gas that do not meet the standards must be strictly treated until they meet the emission standards.

[0003] Existing online wastewater detection stratified extraction sampling devices use a water pump to extract wastewater and transport it to the detection chamber. However, these devices can only detect the extracted wastewater and discharge it directly afterward, without storing the sample. In practice, the composition of wastewater at different depths may vary significantly, and a single detection of the extracted wastewater cannot fully reflect its true condition. Furthermore, the lack of sample storage capability greatly limits subsequent work if further analysis or re-examination of the wastewater is required.

[0004] Therefore, this utility model provides a layered extraction sampling device for online detection of filterable wastewater. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A layered extraction sampling device for online detection of filterable wastewater, comprising a wastewater detection tank body, a door rotatably mounted on the front side of the wastewater detection tank body, a control panel at the upper end of the door, a control module fixedly mounted inside the upper end of the wastewater detection tank body, a detection tank fixedly mounted inside the wastewater detection tank body, multiple detection chambers arranged inside the detection tank, multiple sets of first connecting pipes fixedly mounted on the lower side of the detection tank, multiple sets of water pumps fixedly mounted inside the right end of the wastewater detection tank body, multiple sets of first connecting pipes fixedly connected to multiple sets of water pumps, multiple sets of T-joints fixedly mounted inside the right end of the wastewater detection tank body, multiple sets of T-joints fixedly connected to multiple sets of water pumps, a cover plate movably mounted on the lower left side of the wastewater detection tank body, and a sample storage component arranged inside the lower end of the wastewater detection tank body.

[0007] As a preferred technical solution of this application, the upper ends of the multiple sets of detection cavities are fixedly installed with connecting wires, the multiple sets of connecting wires are fixedly connected to the control module, the lower ends of the multiple sets of connecting wires are fixedly installed with detection heads, and the multiple sets of detection heads are respectively movably inserted into the multiple sets of detection cavities.

[0008] As a preferred technical solution of this application, a water pumping pipe is fixedly installed at the right end opening of each of the multiple sets of three-way connectors, and a water pumping head is fixedly installed at the lower end of each of the multiple sets of water pumping pipes.

[0009] As a preferred technical solution of this application, all of the multiple sets of water pumping pipes are made of thermoplastic rubber, and the inner walls of all of the multiple sets of water pumping pipes are composed of spirally wound steel wire.

[0010] As a preferred technical solution of this application, the sample storage component includes multiple sets of solenoid valves, which are fixedly installed on the left end of multiple sets of three-way connectors. A second connecting pipe is fixedly installed on the left end of each set of solenoid valves. A sample storage box is fixedly installed in the lower end of the wastewater detection box body. A baffle is movably installed on the left end of the sample storage box. The inner wall of the sample storage box is symmetrically provided with first sliding grooves. Multiple sets of U-shaped frames are slidably installed in the sample storage box. First sliders are fixedly installed on the front and rear sides of each set of U-shaped frames. A docking frame is movably installed in each set of first sliders. A sample storage tank is movably inserted in each set of docking frames. Multiple docking interfaces are provided on the upper side of the sample storage box. Pushing components are provided at the right and lower ends of the sample storage box.

[0011] As a preferred technical solution of this application, a liquid level sensor is fixedly installed inside the left end of each of the multiple sets of second connecting pipes, and the multiple sets of liquid level sensors are connected to the control module and multiple sets of solenoid valves.

[0012] As a preferred technical solution of this application, the multiple sets of U-shaped frames are provided with second sliding grooves symmetrically arranged front and back, each set of second sliding grooves is equipped with a return spring, each set of second sliding grooves is slidably installed with a second slider, and the multiple sets of second sliders are respectively fixedly connected to the front and back sides of the multiple sets of docking frames.

[0013] As a preferred technical solution of this application, the pushing component includes a first electric telescopic rod, which is fixedly installed on the right side of the sample storage box. A first push plate is fixedly installed on the telescopic end of the first electric telescopic rod. The first push plate is located inside the right end of the sample storage box. A movable groove is opened in the lower end of the sample storage box. A second electric telescopic rod is fixedly installed in the lower end of the movable groove. A second push plate is fixedly installed on the telescopic end of multiple sets of second electric telescopic rods. Multiple sets of push blocks are fixedly installed on the upper side of the second push plate. Multiple sets of insertion ports are opened in the lower end of multiple sets of U-shaped frames.

[0014] As a preferred technical solution of this application, each of the multiple sets of detection chambers has a drain outlet on the upper rear side of the detection tank, and a drain pipe is movably installed on each of the multiple sets of drain outlets, with the left end of the drain pipe inserted into the left end of the wastewater detection tank body.

[0015] The beneficial effects of this utility model are as follows:

[0016] The present invention discloses a layered extraction and sampling device for online detection of filterable wastewater. This device extends multiple sets of pumping pipes and pumping heads into the wastewater, controlling the extension lengths of these pipes and heads to reach different depths. Multiple pumps draw the wastewater into multiple detection chambers, allowing the control module to detect the wastewater through the multiple detection heads. The extracted wastewater is then filtered by the multiple pumping heads and transported to the detection chambers for layered storage, thus achieving layered extraction and sampling of wastewater at different depths.

[0017] The present invention discloses a layered extraction sampling device for online detection of filterable wastewater. Through the setting of a sample storage component, when multiple sets of water pumps extract and detect wastewater, the extracted wastewater can be transported to the sample storage box through multiple sets of T-joints and multiple sets of second connecting pipes. The sample storage component stores the extracted wastewater sample, which facilitates subsequent review or further analysis of the wastewater, thereby improving the accuracy and reliability of wastewater detection. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a perspective view of the present invention;

[0020] Figure 2 This is a front view of the present invention;

[0021] Figure 3 This is a front view cross-sectional view of the detection tank in this utility model;

[0022] Figure 4 This is a front view structural cross-sectional diagram of the sample storage box in this utility model;

[0023] Figure 5 This is a schematic diagram of the left-side cross-sectional structure of the U-shaped frame in this utility model;

[0024] Figure 6 This is a partial front view of the second connecting pipe in this utility model;

[0025] Figure 7 This is a front view structural diagram of the water pumping pipe and the water pumping head in this utility model;

[0026] Figure 8 yes Figure 4 Enlarged view of a portion of point A in the middle;

[0027] Figure 9 yes Figure 5 Enlarged view of section B in the middle.

[0028] In the diagram: 1. Wastewater testing tank body; 2. Tank door; 3. Control panel; 4. Control module; 5. Testing tank; 6. Testing chamber; 7. Connecting wire; 8. Testing head; 9. First connecting pipe; 10. Water pump; 11. T-joint; 12. Pumping pipe; 13. Pumping head; 14. Solenoid valve; 15. Second connecting pipe; 16. Liquid level sensor; 17. Drain outlet; 18. Drain pipe; 19. Sample storage tank; 20. Baffle; 21. First slide rail; 22. U-shaped frame; 23. First slider; 24. Second slide rail; 25. Return spring; 26. Second slider; 27. Connecting frame; 28. Sample storage tank; 29. ​​Connecting interface; 30. First electric telescopic rod; 31. First push plate; 32. Movable groove; 33. Second electric telescopic rod; 34. Second push plate; 35. Push block; 36. Socket; 37. Cover plate. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0030] Example 1: As Figures 1 to 9 As shown in the embodiment of this utility model, a layered extraction sampling device for online detection of filterable wastewater includes a wastewater detection box body 1. A box door 2 is rotatably installed on the front side of the wastewater detection box body 1. A control panel 3 is provided on the upper end of the box door 2. A control module 4 is fixedly installed inside the upper end of the wastewater detection box body 1. A detection tank 5 is fixedly installed inside the wastewater detection box body 1. Multiple detection chambers 6 are provided inside the detection tank 5. Multiple first connecting pipes 9 are fixedly installed on the lower side of the detection tank 5. Multiple water pumps 10 are fixedly installed inside the right end of the wastewater detection box body 1. The multiple first connecting pipes 9 are fixedly connected to the multiple water pumps 10. Multiple T-joints 11 are fixedly installed inside the right end of the wastewater detection box body 1. The multiple T-joints 11 are fixedly connected to the multiple water pumps 10. A cover plate 37 is movably installed on the lower left side of the wastewater detection box body 1. A sample storage component is provided inside the lower end of the wastewater detection box body 1.

[0031] In actual operation, the technicians in charge can control multiple sets of water pumps 10 through the operation control module 4 to effectively extract wastewater. These water pumps 10 are connected to multiple sets of first connecting pipes 9, enabling them to work together to smoothly extract wastewater into multiple detection chambers 6. In addition, multiple sets of tee connectors 11 are also connected to the water pumps 10 to ensure smooth delivery and extraction of wastewater. During the extraction of wastewater, the carefully designed sample storage components can properly preserve the extracted wastewater samples, which not only facilitates subsequent re-examination of the wastewater but also provides the possibility for more in-depth analysis.

[0032] like Figures 1 to 3 As shown, each of the multiple detection cavities 6 has a connecting line 7 fixedly installed at its upper end. The multiple connecting lines 7 are fixedly connected to the control module 4. Each of the multiple connecting lines 7 has a detection head 8 fixedly installed at its lower end. The multiple detection heads 8 are movably inserted into the multiple detection cavities 6.

[0033] Through multiple sets of connecting lines 7 and multiple sets of detection heads 8, the wastewater extracted and stored in multiple sets of detection chambers 6 is accurately detected. Moreover, the coordinated work of multiple sets of detection heads 8 ensures the comprehensiveness and accuracy of the detection. Each set of detection heads 8 can independently perform detailed analysis of the wastewater sample, thereby ensuring high precision of the detection results. In addition, the use of multiple sets of connecting lines 7 enables the control module 4 to work with multiple sets of detection heads 8, further improving the detection efficiency. Through a systematic detection method, not only is the detection accuracy improved, but the detection time is also greatly shortened, thereby improving the overall detection efficiency.

[0034] like Figures 1 to 7 As shown, a water pumping pipe 12 is fixedly installed at the right end opening of multiple sets of tee connectors 11, and a water pumping head 13 is fixedly installed at the lower end of multiple sets of water pumping pipes 12.

[0035] By setting up multiple sets of water pumping pipes 12, multiple sets of water pumping heads 13 can be inserted into wastewater at different depths, thereby achieving comprehensive coverage and extraction of wastewater. The water pumping heads 13 are not only for extracting wastewater, but their surfaces can also perform preliminary filtration of the extracted wastewater, effectively removing various impurities and particulate matter, thus ensuring the purity of the extracted wastewater. This not only improves the efficiency of wastewater detection but also ensures the accuracy and reliability of the detection results.

[0036] like Figures 1 to 7 As shown, the multiple sets of water pumping pipes 12 are all made of thermoplastic rubber, and the inner walls of the multiple sets of water pumping pipes 12 are all composed of spirally wound steel wire.

[0037] Since all the multiple sets of water pumping pipes 12 are made of thermoplastic rubber, they have excellent elasticity and sealing properties, which can ensure that there is no leakage when the wastewater is pumped out. At the same time, the inner walls of the multiple sets of water pumping pipes 12 are all made of spirally wound steel wire, which improves the structural strength and service life of the multiple sets of water pumping pipes 12.

[0038] like Figures 1 to 9 As shown, the sample storage assembly includes multiple sets of solenoid valves 14, which are fixedly installed on the left end of multiple sets of three-way connectors 11. A second connecting pipe 15 is fixedly installed on the left end of each set of solenoid valves 14. Sample storage boxes 19 are fixedly installed inside the lower end of the wastewater detection box body 1. A baffle 20 is movably installed on the left end of the sample storage box 19. First sliding grooves 21 are symmetrically opened on the front and back of the inner wall of the sample storage box 19. Multiple sets of U-shaped frames 22 are slidably installed inside the sample storage box 19. First sliders 23 are fixedly installed on both the front and back sides of the multiple sets of U-shaped frames 22. A docking frame 27 is movably installed inside each of the multiple sets of first sliders 23. A sample storage tank 28 is movably inserted into each of the multiple sets of docking frames 27. Multiple docking interfaces 29 are opened on the upper side of the sample storage box 19. Pushing components are provided at the right and lower ends of the sample storage box 19.

[0039] Multiple sets of solenoid valves 14 and multiple sets of second connecting pipes 15 work together to transport wastewater samples to the sample storage box 19 when multiple sets of water pumps 10 extract wastewater. Multiple sets of U-shaped frames 22 and multiple sets of docking frames 27 are slidably set in the sample storage box 19 through the pushing component. With the help of multiple sets of docking frames 27 and multiple sets of sample storage tanks 28, wastewater samples can be stored, which is convenient for subsequent operators to review or further analyze the wastewater samples. The setting of multiple sets of docking interfaces 29 makes it easy for wastewater samples to enter the sample storage box 19, improving the convenience of wastewater sample storage.

[0040] like Figures 2 to 6 As shown, a liquid level sensor 16 is fixedly installed inside the left end of each of the multiple sets of second connecting pipes 15, and the multiple sets of liquid level sensors 16 are connected to the control module 4 and the multiple sets of solenoid valves 14.

[0041] By installing a level sensor 16 inside the left opening of multiple sets of second connecting pipes 15, the liquid level of the wastewater being transported into multiple sets of sample storage tanks 28 through the multiple sets of second connecting pipes 15 can be monitored in real time. During the process of wastewater being transported from the multiple sets of second connecting pipes 15 into the multiple sets of sample storage tanks 28, the level sensor 16 will continuously detect the liquid level of the wastewater to ensure that the wastewater does not exceed the safe height before entering the multiple sets of sample storage tanks 28, thereby preventing the wastewater from overflowing when entering the multiple sets of sample storage tanks 28 during the transportation process. Furthermore, through the level sensor 16, a signal can be sent to the control module 4 in time before the wastewater level reaches the preset safe height. After receiving the signal, the control module 4 will instruct the multiple sets of solenoid valves 14 to close quickly, thereby cutting off the passage of the multiple sets of second connecting pipes 15 and preventing more wastewater from entering the multiple sets of sample storage tanks 28, thus improving the automation level and efficiency of the entire system.

[0042] like Figures 5 to 9 As shown, multiple sets of U-shaped frames 22 are symmetrically provided with second sliding grooves 24, each set of second sliding grooves 24 is equipped with a return spring 25, and each set of second sliding grooves 24 is slidably installed with a second slider 26. The multiple sets of second sliders 26 are respectively fixedly connected to the front and rear sides of multiple sets of docking frames 27.

[0043] The arrangement of multiple sets of second slide grooves 24, multiple sets of return springs 25, and multiple sets of second sliders 26 provides guidance and support for the sliding of the second sliders 26 within the second slide grooves 24, ensuring that the second sliders 26 slide smoothly within the second slide grooves 24. This, in turn, ensures the stable movement of the docking frame 27 and the sample storage tank 28 within the sample storage box 19, improving the stability and reliability of wastewater sample storage. It also ensures that the pushing component lifts the docking frame 27 within the U-shaped frame 22 upwards, connecting the multiple sets of sample storage tanks 28 with the multiple sets of second connecting pipes 15, thereby collecting and storing the extracted wastewater samples and avoiding subsequent testing.

[0044] like Figures 2 to 4 As shown, the pushing component includes a first electric telescopic rod 30, which is fixedly installed on the right side of the sample storage box 19. A first push plate 31 is fixedly installed on the telescopic end of the first electric telescopic rod 30. The first push plate 31 is located inside the right end of the sample storage box 19. A movable groove 32 is opened in the lower end of the sample storage box 19. A second electric telescopic rod 33 is fixedly installed in the lower end of the movable groove 32. A second push plate 34 is fixedly installed on the telescopic end of multiple sets of second electric telescopic rods 33. Multiple sets of push blocks 35 are fixedly installed on the upper side of the second push plate 34. Multiple sets of insertion ports 36 are opened in the lower end of multiple sets of U-shaped frames 22.

[0045] By setting multiple sets of first electric telescopic rods 30, the first electric telescopic rods 30 push the first push plate 31 to slide multiple sets of U-shaped frames 22 and multiple sets of docking frames 27 to the left within the sample storage box 19, aligning the multiple sets of U-shaped frames 22 and multiple sets of docking frames 27 with multiple sets of docking interfaces 29 in sequence. Then, it is convenient for the operator to push the multiple sets of U-shaped frames 22, thereby driving the multiple sets of docking frames 27 and multiple sets of sample storage tanks 28 to slide within the sample storage box 19. When the U-shaped frames 22 and docking frames 27 are aligned with the multiple sets of docking interfaces 29, the second electric telescopic rod 33 drives the second push plate 34 and multiple sets of push blocks 35 to slide upward, lifting the docking frames 27 within the U-shaped frames 22, thereby connecting the multiple sets of sample storage tanks 28 within the docking frames 27 with multiple sets of second connecting pipes 15, thus completing the collection of wastewater.

[0046] like Figures 1 to 3 As shown, each of the multiple sets of detection chambers 6 has a drain outlet 17 on the rear side of the detection tank 5. A drain pipe 18 is movably installed on each of the multiple sets of drain outlets 17. The left end of the drain pipe 18 is inserted into the left end of the wastewater detection box body 1.

[0047] By carefully designing multiple sets of drain outlets 17 and drain pipes 18, excessive wastewater is prevented from entering the multiple sets of detection chambers 6. This ensures that the wastewater entering the detection chambers 6 can effectively overflow when it is higher than the openings of the multiple sets of drain outlets 17. The amount of wastewater is controlled by the drain pipes 18 to prevent excessive wastewater from entering the multiple sets of detection chambers 6 and causing excessive pressure inside the device, thus ensuring the normal operation of the device and the accuracy of wastewater detection.

[0048] Working principle: In operation, the operator first extends multiple sets of suction pipes 12 and inserts the extended suction pipes 12 and suction heads 13 into the wastewater. Then, the control module 4 starts multiple sets of water pumps 10. As the pumps extract wastewater, the multiple sets of suction pipes 12 and suction heads 13 penetrate to different depths in the wastewater, achieving stratified extraction. After being filtered by the multiple sets of suction heads 13, impurities and particulate matter are removed, ensuring the wastewater is safe and clean. The purity is then extracted and transported to multiple detection chambers 6 via the first connecting pipe 9. Multiple connecting lines 7 and multiple detection heads 8 accurately detect the wastewater stored in the multiple detection chambers 6. Simultaneously, during the extraction of wastewater by multiple water pumps 10, the wastewater sample is transported to the sample storage box 19 via multiple tee joints 11, multiple solenoid valves 14, and multiple second connecting pipes 15. At this time, the pushing component starts to work, and multiple first electric telescopic rods 30 push the first push plate 31 to... Multiple sets of U-shaped frames 22 and multiple sets of docking frames 27 slide to the left within the sample storage box 19, aligning sequentially with multiple sets of docking interfaces 29. The operator then pushes the multiple sets of U-shaped frames 22, which in turn causes the multiple sets of docking frames 27 and multiple sets of sample storage containers 28 to slide within the sample storage box 19. When the U-shaped frames 22 and docking frames 27 are aligned with the multiple sets of docking interfaces 29, multiple sets of second electric telescopic rods 33 drive the second push plate 34 and multiple sets of push blocks 35 to slide upwards and insert into the multiple sets of insertion ports 3. Within 6, the docking frame 27 inside the U-shaped frame 22 is then lifted, and the multiple sets of sample storage tanks 28 inside the docking frame 27 are connected to the multiple sets of second connecting pipes 15, thus completing the collection and storage of wastewater. After the sample is stored, the operator can re-examine or further analyze the wastewater sample, which improves the accuracy and reliability of wastewater detection. In addition, through the careful setting of multiple sets of drain outlets 17 and drain pipes 18, excessive wastewater entering the multiple sets of detection chambers 6 is effectively prevented from causing excessive pressure inside the device.

[0049] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0051] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A stratified extraction sampling device for online detection of filterable wastewater, comprising a wastewater detection tank body (1), characterized in that: The wastewater testing box body (1) is rotatably mounted with a box door (2) on the front side. A control panel (3) is provided at the upper end of the box door (2). A control module (4) is fixedly installed inside the upper end of the wastewater testing box body (1). A testing tank (5) is fixedly installed inside the wastewater testing box body (1). Multiple testing chambers (6) are provided inside the testing tank (5). Multiple sets of first connecting pipes (9) are fixedly installed on the lower side of the testing tank (5). Multiple sets of water pumps (10) are fixedly installed inside the right end of the wastewater testing box body (1). Multiple sets of first connecting pipes (9) are fixedly connected to multiple sets of water pumps (10). Multiple sets of three-way connectors (11) are fixedly installed inside the right end of the wastewater testing box body (1). Multiple sets of three-way connectors (11) are fixedly connected to multiple sets of water pumps (10). A cover plate (37) is movably installed on the left side of the lower end of the wastewater testing box body (1). A sample storage component is provided inside the lower end of the wastewater testing box body (1).

2. The stratified extraction sampling device for online detection of filterable wastewater according to claim 1, characterized in that: Each of the multiple sets of detection cavities (6) has a connecting line (7) fixedly installed at its upper end. The multiple sets of connecting lines (7) are fixedly connected to the control module (4). Each of the multiple sets of connecting lines (7) has a detection head (8) fixedly installed at its lower end. The multiple sets of detection heads (8) are respectively movably inserted into the multiple sets of detection cavities (6).

3. The stratified extraction sampling device for online detection of filterable wastewater according to claim 1, characterized in that: Each of the three-way connectors (11) has a water pump pipe (12) fixedly installed at the right end opening, and each of the three-way connectors (12) has a water pump head (13) fixedly installed at the lower end.

4. The stratified extraction sampling device for online detection of filterable wastewater according to claim 3, characterized in that: All of the aforementioned water pumping pipes (12) are made of thermoplastic rubber, and the inner walls of all of the aforementioned water pumping pipes (12) are composed of spirally wound steel wire.

5. The stratified extraction sampling device for online detection of filterable wastewater according to claim 1, characterized in that: The sample storage assembly includes multiple sets of solenoid valves (14), which are fixedly installed on the left end of multiple sets of three-way connectors (11). A second connecting pipe (15) is fixedly installed on the left end of each set of solenoid valves (14). A sample storage box (19) is fixedly installed inside the lower end of the wastewater detection box body (1). A baffle (20) is movably installed on the left end of the sample storage box (19). The inner wall of the sample storage box (19) is symmetrically provided with first sliding grooves (21) on the front and back. Multiple sets of U-shaped frames (22) are slidably installed inside the sample storage box (19). First sliders (23) are fixedly installed on the front and rear sides of the multiple sets of U-shaped frames (22). A docking frame (27) is movably installed inside the multiple sets of first sliders (23). A sample storage container (28) is movably inserted inside the multiple sets of docking frames (27). Multiple sets of docking interfaces (29) are opened on the upper side of the sample storage box (19). Pushing components are provided at the right end and the lower end of the sample storage box (19).

6. The stratified extraction sampling device for online detection of filterable wastewater according to claim 5, characterized in that: Each of the multiple sets of second connecting pipes (15) has a liquid level sensor (16) fixedly installed inside its left end. The multiple sets of liquid level sensors (16) are connected to the control module (4) and multiple sets of solenoid valves (14).

7. The stratified extraction sampling device for online detection of filterable wastewater according to claim 5, characterized in that: The multiple sets of U-shaped frames (22) are symmetrically provided with second sliding grooves (24) in the front and back. Each set of second sliding grooves (24) is equipped with a return spring (25). Each set of second sliding grooves (24) is slidably installed with a second slider (26). The multiple sets of second sliders (26) are fixedly connected to the front and back sides of the multiple sets of docking frames (27).

8. The stratified extraction sampling device for online detection of filterable wastewater according to claim 5, characterized in that: The pushing component includes a first electric telescopic rod (30), which is fixedly installed on the right side of the sample storage box (19). A first push plate (31) is fixedly installed at the telescopic end of the first electric telescopic rod (30). The first push plate (31) is located inside the right end of the sample storage box (19). A movable groove (32) is opened in the lower end of the sample storage box (19). A second electric telescopic rod (33) is fixedly installed in the lower end of the movable groove (32). A second push plate (34) is fixedly installed at the telescopic end of multiple sets of second electric telescopic rods (33). Multiple sets of push blocks (35) are fixedly installed on the upper side of the second push plate (34). Multiple sets of slots (36) are opened in the lower end of multiple sets of U-shaped frames (22).

9. The stratified extraction sampling device for online detection of filterable wastewater according to claim 1, characterized in that: Each of the multiple sets of detection chambers (6) has a drain outlet (17) on the detection tank (5) at the upper rear side. Each of the multiple sets of drain outlets (17) has a drain pipe (18) movably installed on it. The left end of the drain pipe (18) is inserted into the left end of the wastewater detection box body (1).

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