Water quality monitoring device for environmental protection

Abstract

The invention discloses a water quality monitoring device for environmental protection, which is characterized in that a sampling screw sleeve is driven by a double-thread ball screw to move downwards into water, and an exchange ball is put into a net bag, so that salt ions are effectively removed in the process that a water sample is in contact with the exchange ball, and the accuracy of subsequent detection is improved; through cooperation of a rotating column and a push plate, automatic putting of exchange balls into a net bag and rotation control of an alternating rod are achieved, so that the net bag can be kept at a proper position in the desalting process, and after desalting is completed, the alternating rod is rotated clockwise to be kept in a vertical state; the saturated exchange balls can be conveniently poured into the collecting box to be recycled and regenerated, the elastic net cover and the elastic supporting strips in the filtering cover can automatically open the elastic net cover to filter impurities in a water sample when the detection probe is inserted into the water sample, and the detection accuracy of the detection probe is further guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of water pollution control, and more specifically, to a water quality monitoring device for environmental protection. Background Art

[0002] A water quality monitoring device is a device used to detect various physical, chemical, and biological indicators in water in real time. It can automatically collect and analyze water samples through sensors and analytical instruments, and monitor indicators including temperature, pH value, dissolved oxygen, conductivity, turbidity, ammonia nitrogen, heavy metals, etc. These devices are widely used in fields such as water source protection, sewage treatment, environmental monitoring, industrial wastewater discharge, etc., to help detect water quality changes and pollution problems in a timely manner, so as to take effective measures for treatment.

[0003] Modern water quality monitoring devices usually have data storage and remote transmission functions, and can transmit monitoring results to a central control platform through wireless networks or the Internet of Things to achieve remote monitoring and analysis of real-time data. Some high-end devices also support automatic calibration and self-diagnosis functions to ensure the accuracy and stability of monitoring data. This intelligent monitoring method makes water quality management more efficient and provides reliable technical support for environmental protection and water resource management.

[0004] In industrial enterprise wastewater, the salt content is relatively high, and conventional on-line water quality monitoring devices for pollutants are greatly affected by the salt in the water and cannot measure normally. Especially in high-chlorine situations, the potassium dichromate method cannot accurately monitor the COD concentration.

[0005] Therefore, in view of the above technical problems, it is necessary to provide a water quality monitoring device for environmental protection. Summary of the Invention

[0006] The purpose of the present invention is to provide a water quality monitoring device for environmental protection to solve the above problems.

[0007] To achieve the above purpose, the technical solution provided by an embodiment of the present invention is as follows:

[0008] A water quality monitoring device for environmental protection, comprising a mounting plate, a plurality of exchange balls, a feeding wheel and a filter cover. The front side of the lower end of the mounting plate is fixedly connected with a double-threaded ball screw. The outer end of the double-threaded ball screw is threadedly connected with a sampling nut. The rear side of the lower end of the mounting plate is fixedly connected with a processing plate. A replacement groove is opened at one end of the processing plate close to the double-threaded ball screw. An alternating rod is rotatably connected in the replacement groove. Both the left and right ends of the alternating rod are fixedly connected with mesh bags, and the mesh bags are distributed in a staggered and symmetrical manner. The exchange balls are made of ion exchange resin. A storage groove is opened at the upper end of the mounting plate. A plurality of the exchange balls are located in the storage groove. A feeding port is opened at the lower end of the mounting plate, and the feeding port is communicated with the storage groove. The feeding port and the mesh bag are on the same vertical line. The feeding wheel is rotatably connected between the storage groove and the feeding port. A power supply box is installed inside the mounting plate. The feeding wheel, the alternating rod and the double-threaded ball screw are all driven by motors, and the motors are electrically connected to the power supply box. A detection probe is fixedly connected to the lower end of the mounting plate, and the detection probe is located on the side of the double-threaded ball screw away from the processing plate. The filter cover is sleeved on the outer end of the detection probe, and the filter cover is fixedly connected with the mounting plate.

[0009] As a further improvement of the present invention, the sampling nut includes a threaded sleeve, the threaded sleeve is threadedly connected to the outer end of the double-threaded ball screw, and a collection frame is fixedly connected to the outer end of the threaded sleeve.

[0010] As a further improvement of the present invention, the mesh bag includes a receiving ring, the receiving ring is fixedly connected to the side end of the alternating rod, a mesh cylinder is fixedly connected to the lower end of the receiving ring, and a buffer pad is fixedly connected to the end of the mesh cylinder away from the receiving ring.

[0011] As a further improvement of the present invention, the feeding wheel includes a rotating column, the rotating column is rotatably connected inside the mounting plate, a plurality of pushing plates are fixedly connected to the outer end of the rotating column, and the pushing plates.

[0012] As a further improvement of the present invention, the filter cover includes an elastic mesh cover, the elastic mesh cover is fixedly connected to the lower end of the mounting plate, a bottom block is fixedly connected to the lower end of the elastic mesh cover, and a plurality of elastic support bars are fixedly connected to the inner end of the elastic mesh cover.

[0013] As a further improvement of the present invention, the feeding wheel further includes a plurality of extension plates, the plurality of extension plates are respectively fixedly connected to the ends of the plurality of pushing plates away from the rotating column, an extrusion block is fixedly connected to the end of the extension plate away from the pushing plate, an elastic air bag is fixedly connected inside the mounting plate, and the extension plate penetrates through the mounting plate and abuts against the elastic air bag. A circular air outlet pipe is fixedly connected to the lower end of the mounting plate, and the circular air outlet pipe is located outside the filter cover. The elastic air bag is communicated with the circular air outlet pipe through a hose.

[0014] As a further improvement of the present invention, a guiding pipe is fixedly connected to the lower end of the mounting plate, and the guiding pipe is located below the feeding port.

[0015] As a further improvement of the present invention, a placement groove is formed at the lower end of the processing plate, and the placement groove communicates with the replacement groove. A collection box is provided in the placement groove, and the collection box is threadedly connected to the placement groove.

[0016] As a further improvement of the present invention, the sampling screw sleeve further includes a magnetic ring. A limiting shallow groove is formed on the inner wall of the collection frame, the magnetic ring is slidably connected in the limiting shallow groove, a magnetic plate is fixedly connected to the lower end of the double-threaded ball screw, and the magnetic plate and the magnetic ring are like magnets.

[0017] As a further improvement of the present invention, the sampling screw sleeve further includes a plurality of blade plates, and the plurality of blade plates are respectively fixedly connected to the four sides of the collection frame.

[0018] Compared with the prior art, the advantages of the present invention are as follows:

[0019] In this solution, the sampling screw sleeve is driven by a double-threaded ball screw to move down into the water, and exchange balls are put into the net bag. During the contact between the water sample and the exchange balls, salt ions are effectively removed, improving the accuracy of subsequent detection. Through the cooperation of the rotating column and the pushing plate, the exchange balls are automatically and individually put into the net bag. The rotation control of the alternating rod enables the net bag to maintain a proper position during the desalting process. After the desalting is completed, by rotating the alternating rod clockwise to keep it in a vertical state, it is convenient to pour the saturated exchange balls into the collection box for recycling and regeneration. Utilizing the principle of mutual repulsion of like magnets, the automatic discharge of the water sample is realized. During the secondary detection, only need to move the sampling screw sleeve downward until it abuts against the magnetic plate, then the detected water sample can be pushed out under the action of magnetic repulsive force, facilitating the replacement and re-extraction of the sample. The design of the elastic mesh cover and elastic support strips in the filter cover can automatically expand the elastic mesh cover when the detection probe is inserted into the water sample, filtering out impurities in the water sample. The cooperation of the extension plate and the extrusion block in the feeding wheel with the elastic airbag realizes the automatic cleaning of the outer surface of the filter cover, further ensuring the detection accuracy of the detection probe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic side sectional structure view of the present invention;

[0021] Figure 2 It is of the present invention Figure 1 The enlarged structure view at A in

[0022] Figure 3 It is a schematic structure view of the sampling screw sleeve of the present invention;

[0023] Figure 4Schematic diagram of the delivery wheel structure of the present invention;

[0024] Figure 5 Schematic diagram of the filter cover structure of the present invention.

[0025] Explanation of the reference numerals in the figure:

[0026] 1. Mounting plate; 2. Double-threaded ball screw; 3. Sampling nut; 31. Threaded sleeve; 32. Collection box; 33. Magnetic ring; 34. Vane plate; 4. Processing plate; 5. Replacement slot; 6. Alternating rod; 7. Mesh bag; 71. Receiving ring; 72. Mesh cylinder; 73. Buffer pad; 8. Storage tank; 9. Exchange ball; 10. Delivery wheel; 101. Rotating column; 102. Pushing plate; 103. Extension plate; 104. Extrusion block; 11. Power supply box; 12. Detection probe; 13. Filter cover; 131. Elastic mesh cover; 132. Bottom block; 133. Elastic support strip; 14. Elastic airbag; 15. Annular air outlet pipe; 16. Guide pipe; 17. Collection box; 18. Magnetic plate. Specific embodiments

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-5, A water quality monitoring device for environmental protection, comprising a mounting plate 1, a plurality of exchange balls 9, a delivery wheel 10 and a filter cover 13. A double-threaded ball screw 2 is fixedly connected to the front side of the lower end of the mounting plate 1. A sampling nut 3 is threadedly connected to the outer end of the double-threaded ball screw 2. A processing plate 4 is fixedly connected to the rear side of the lower end of the mounting plate 1. A replacement groove 5 is formed at one end of the processing plate 4 close to the double-threaded ball screw 2. An alternating rod 6 is rotatably connected in the replacement groove 5. Net bags 7 are fixedly connected to both the left and right ends of the alternating rod 6, and the net bags 7 are distributed in a staggered and symmetric manner. The exchange balls 9 are made of ion exchange resin, and the ion exchange resin is used to exchange with the salt ions in the wastewater to achieve the purpose of desalination. A storage groove 8 is formed at the upper end of the mounting plate 1. A plurality of exchange balls 9 are located in the storage groove 8. A delivery port is formed at the lower end of the mounting plate 1, and the delivery port is communicated with the storage groove 8. The delivery port and the net bag 7 are on the same vertical line. The delivery wheel 10 is rotatably connected between the storage groove 8 and the delivery port. A power supply box 11 is installed inside the mounting plate 1. The delivery wheel 10, the alternating rod 6 and the double-threaded ball screw 2 are all driven by motors, and the motors are electrically connected to the power supply box 11. A detection probe 12 is fixedly connected to the lower end of the mounting plate 1, and the detection probe 12 is located on the side of the double-threaded ball screw 2 away from the processing plate 4. The filter cover 13 is sleeved on the outer end of the detection probe 12, and the filter cover 13 is fixedly connected to the mounting plate 1. By fixing the mounting plate 1 at the position of the wall of the monitoring water area and making part of the double-threaded ball screw 2 located in the water, then the double-threaded ball screw 2 rotates to drive the sampling nut 3 to move downward into the water until the sampling nut 3 is submerged for sampling. At the same time, the delivery wheel 10 rotates to put a single exchange ball 9 into the net bag 7. Then the double-threaded ball screw 2 rotates in the reverse direction to move the sampling nut 3 upward until it contacts the alternating rod 6 and submerges the net bag 7 in the water sample. The alternating rod 6 in the net bag 7 is used for desalination to improve the accuracy of detection. After controlling the alternating rod 6 to rotate to a vertical state, the sampling nut 3 is further moved upward to insert the detection probe 12 into the water sample for detection, and the filter cover 13 is used to protect the detection probe 12.

[0030] The sampling screw sleeve 3 includes a threaded sleeve 31, the threaded sleeve 31 is threadedly connected to the outer end of the double-threaded ball screw 2, a collection frame 32 is fixedly connected to the outer end of the threaded sleeve 31, the threaded sleeve 31 moves up and down along the double-threaded ball screw 2, and the collection frame 32 is used to receive water samples for monitoring. The sampling screw sleeve 3 further includes a magnetic ring 33. A limiting shallow groove is provided on the inner wall of the collection frame 32, and the magnetic ring 33 is slidably connected in the limiting shallow groove. A magnetic plate 18 is fixedly connected to the lower end of the double-threaded ball screw 2, and the magnetic plate 18 and the magnetic ring 33 are like magnets. When the sampling screw sleeve 3 moves down to the bottom and contacts the magnetic plate 18, they repel each other under the action of the same magnetism of the magnetic plate 18 and the magnetic ring 33, thereby pushing the magnetic ring 33 upward to discharge the detected water sample, and then moving upward again to extract the sample. The sampling screw sleeve 3 further includes a plurality of blade plates 34, and the plurality of blade plates 34 are respectively fixedly connected to the four sides of the collection frame 32. During the sampling process when the plurality of blade plates 34 move down with the collection frame 32, the plurality of blade plates 34 move downward in a rotating state. When contacting the water surface, the water surface and impurities in the water are pushed away, thereby reducing the impurities in the extracted sample.

[0031] The mesh bag 7 includes a receiving ring 71, the receiving ring 71 is fixedly connected to the side end of the alternating rod 6, a mesh cylinder 72 is fixedly connected to the lower end of the receiving ring 71, and a buffer pad 73 is fixedly connected to one end of the mesh cylinder 72 away from the receiving ring 71. When the receiving ring 71 receives the exchange ball 9, it falls into the mesh cylinder 72, and under the action of the buffer pad 73, the impact of the falling exchange ball 9 can be effectively buffered to prevent the exchange ball 9 from popping out of the mesh bag 7.

[0032] The delivery wheel 10 includes a rotating column 101, the rotating column 101 is rotatably connected to the mounting plate 1, a plurality of pushing plates 102 are fixedly connected to the outer end of the rotating column 101. By placing the exchange balls 9 between the plurality of pushing plates 102, when the rotating column 101 rotates, the exchange balls 9 can be individually delivered into the mesh bag 7.

[0033] The delivery wheel 10 further includes a plurality of extension plates 103, the plurality of extension plates 103 are respectively fixedly connected to one end of the plurality of pushing plates 102 away from the rotating column 101, an extrusion block 104 is fixedly connected to one end of the extension plate 103 away from the pushing plate 102, an elastic airbag 14 is fixedly connected inside the mounting plate 1, and the extension plate 103 penetrates the mounting plate 1 and abuts against the elastic airbag 14. A circular air outlet pipe 15 is fixedly connected to the lower end of the mounting plate 1, and the circular air outlet pipe 15 is located outside the filter cover 13. The elastic airbag 14 is connected to the circular air outlet pipe 15 through a hose. When the pushing plate 102 drives the extension plate 103 to move along with the rotation of the rotating column 101, the extrusion block 104 squeezes the elastic airbag 14, so that the gas inside the elastic airbag 14 is discharged from the circular air outlet pipe 15, thereby blowing off the impurities adhering to the outer surface of the filter cover 13 by means of the discharged gas.

[0034] The filter cover 13 includes an elastic mesh cover 131, which is fixedly connected to the lower end of the mounting plate 1, and a bottom block 132 is fixedly connected to the lower end of the elastic mesh cover 131. A plurality of elastic support strips 133 are fixedly connected to the inner end of the elastic mesh cover 131. When the bottom block 132 contacts the bottom wall of the collection frame 32, force is applied to the elastic support strips 133, so that the elastic support strips 133 are bent to open the elastic mesh cover 131. The elastic mesh cover 131 is used to filter out impurities in the water sample, so that the detection probe 12 can be better detected, thereby improving the accuracy of the detection.

[0035] A guide tube 16 is fixedly connected to the lower end of the mounting plate 1, and the guide tube 16 is located at the lower end of the delivery port. The guide tube 16 can guide the dropped exchange ball 9 to fall accurately into the net bag 7 to prevent the exchange ball 9 from deviating and falling.

[0036] A placement groove is provided at the lower end of the processing plate 4, and the placement groove is connected to the replacement groove 5. A collection box 17 is provided in the placement groove, and the collection box 17 is threadedly connected to the placement groove. The saturated exchange balls 9 can be collected through the collection box 17, and then the collection box 17 is removed to regenerate the used exchange balls 9 for secondary use.

[0037] Working principle:

[0038] First, the motor rotates to make the alternating rod 6 horizontal, and the delivery wheel 10 rotates to deliver a single exchange ball 9 into the net bag 7. Then, the double-threaded ball screw 2 drives the sampling screw sleeve 3 to rotate and move downward into the water. After the wastewater completely submerges the sampling screw sleeve 3, the double-threaded ball screw 2 is rotated in the reverse direction to move the sampling screw sleeve 3 upward, so that the filled collection frame 32 moves to contact the alternating rod 6, and the net bag 7 is immersed in the wastewater and allowed to stand. The standing time is proportional to the exchange time of the exchange ball 9 and the salt ion exchange time in the wastewater. After the exchange ball 9 is saturated, the alternating rod is rotated clockwise. 6 keeps it in a vertical state, and continues to move the sampling screw sleeve 3 upward to insert the detection probe 12 into the sample water for detection. The detection data is directly uploaded to the user end. During the secondary detection, the sampling screw sleeve 3 is moved downward until it abuts against the magnetic plate 18, and the detected water sample is pushed out under the action of the magnetic repulsion force between the magnetic plate 18 and the magnetic ring 33. After standing for a while, the sample is extracted again, and at the same time, the alternating rod 6 continues to rotate clockwise to make it horizontal, and the saturated exchange ball 9 is poured into the collection box 17, and then the delivery wheel 10 is re-inserted into another net bag 7.

[0039] It can be seen from the above technical solutions that the present invention has the following beneficial effects:

[0040] In the present invention, the double-threaded ball screw 2 drives the sampling sleeve 3 to move downward into the water, and the exchange balls 9 are placed in the mesh bag 7. During the contact between the water sample and the exchange balls 9, salt ions are effectively removed, improving the accuracy of subsequent detection. Through the cooperation of the rotating column 101 and the pushing plate 102, the exchange balls 9 are automatically and individually placed into the mesh bag 7. The rotation control of the alternating rod 6 enables the mesh bag 7 to maintain an appropriate position during the desalting process. After the desalting is completed, by rotating the alternating rod 6 clockwise to keep it in a vertical state, it is convenient to pour the saturated exchange balls 9 into the collection box 17 for recycling and regeneration treatment. Utilizing the principle of mutual repulsion of like magnets, the automatic discharge of the water sample is achieved. During the secondary detection, only by moving the sampling sleeve 3 downward until it abuts against the magnetic plate 18, the detected water sample can be pushed out under the action of magnetic repulsion force, facilitating the replacement and re-extraction of the sample. The design of the elastic mesh cover 131 and the elastic support strip 133 in the filter cover 13 can automatically expand the elastic mesh cover 131 when the detection probe 12 is inserted into the water sample, filtering out impurities in the water sample. The cooperation of the extension plate 103 and the extrusion block 104 in the feeding wheel 10 with the elastic airbag 14 realizes the automatic cleaning of the outer surface of the filter cover 13, further ensuring the detection accuracy of the detection probe 12.

[0041] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0042] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other implementation manners that can be understood by those skilled in the art.

Claims

1. A water quality monitoring device for environmental protection, characterized in that: include: A mounting plate (1), wherein a double-threaded ball screw (2) is fixedly connected to the front side of the lower end of the mounting plate (1), a sampling screw sleeve (3) is threadedly connected to the outer end of the double-threaded ball screw (2), and a processing plate (4) is fixedly connected to the rear side of the lower end of the mounting plate (1), and a replacement groove (5) is provided at one end of the processing plate (4) close to the double-threaded ball screw (2), and an alternating rod (6) is rotatably connected in the replacement groove (5), and net bags (7) are fixedly connected to the left and right ends of the alternating rod (6), and the net bags (7) are symmetrically distributed in a staggered manner; An exchange ball (9), and the number of exchange balls (9) is multiple, the exchange ball (9) is made of ion exchange resin, the upper end of the mounting plate (1) is provided with a storage groove (8), the multiple exchange balls (9) are located in the storage groove (8), the lower end of the mounting plate (1) is provided with a delivery port, and the delivery port is connected to the storage groove (8), and the delivery port and the net bag (7) are on the same vertical line; A delivery wheel (10), the delivery wheel (10) is rotatably connected between the storage tank (8) and the delivery port, a power box (11) is installed inside the mounting plate (1), the delivery wheel (10), the alternating rod (6) and the double-threaded ball screw (2) are all driven by a motor, and the motor is electrically connected to the power box (11); A filter cover (13), a detection probe (12) is fixedly connected to the lower end of the mounting plate (1), and the detection probe (12) is located on the side of the double-threaded ball screw (2) away from the processing plate (4), the filter cover (13) is sleeved on the outer end of the detection probe (12), and the filter cover (13) is fixedly connected to the mounting plate (1).

2. A water quality monitoring device for environmental protection according to claim 1, characterized in that: The sampling screw sleeve (3) comprises a threaded sleeve (31), the threaded sleeve (31) is threadedly connected to the outer end of the double-threaded ball screw (2), and the outer end of the threaded sleeve (31) is fixedly connected to a collection frame (32).

3. The water quality monitoring device for environmental protection according to claim 1, characterized in that: The net bag (7) comprises a receiving ring (71), the receiving ring (71) is fixedly connected to the side end of the alternating rod (6), the lower end of the receiving ring (71) is fixedly connected to a net tube (72), and the end of the net tube (72) away from the receiving ring (71) is fixedly connected to a buffer pad (73).

4. The water quality monitoring device for environmental protection according to claim 1, characterized in that: The delivery wheel (10) comprises a rotating column (101), wherein the rotating column (101) is rotatably connected to the mounting plate (1), and a plurality of push plates (102) are fixedly connected to the outer end of the rotating column (101).

5. The water quality monitoring device for environmental protection according to claim 1, characterized in that: The filter cover (13) comprises an elastic mesh cover (131), wherein the elastic mesh cover (131) is fixedly connected to the lower end of the mounting plate (1), the lower end of the elastic mesh cover (131) is fixedly connected to a bottom block (132), and the inner end of the elastic mesh cover (131) is fixedly connected to a plurality of elastic support strips (133).

6. A water quality monitoring device for environmental protection according to claim 4, characterized in that: The delivery wheel (10) further comprises a plurality of extension plates (103), wherein the plurality of extension plates (103) are respectively fixedly connected to one end of the plurality of push plates (102) away from the rotating column (101), and the end of the extension plate (103) away from the push plate (102) is fixedly connected to an extrusion block (104), an elastic air bag (14) is fixedly connected inside the mounting plate (1), and the extension plate (103) penetrates the mounting plate (1) and abuts against the elastic air bag (14), an annular air outlet pipe (15) is fixedly connected to the lower end of the mounting plate (1), and the annular air outlet pipe (15) is located outside the filter cover (13), and the elastic air bag (14) is connected to the annular air outlet pipe (15) through a hose.

7. The water quality monitoring device for environmental protection according to claim 1, characterized in that: The lower end of the mounting plate (1) is fixedly connected with a guide tube (16), and the guide tube (16) is located at the lower end of the delivery port.

8. The water quality monitoring device for environmental protection according to claim 1, characterized in that: A placement slot is provided at the lower end of the processing plate (4), and the placement slot is communicated with the replacement slot (5). A collection box (17) is provided in the placement slot, and the collection box (17) is threadedly connected to the placement slot.

9. The water quality monitoring device for environmental protection according to claim 2, characterized in that: The sampling screw sleeve (3) also includes a magnetic ring (33), the inner wall of the collection frame (32) is provided with a limited shallow groove, the magnetic ring (33) is slidably connected in the limited shallow groove, the lower end of the double-thread ball screw (2) is fixedly connected with a magnetic plate (18), and the magnetic plate (18) and the magnetic ring (33) are magnets of the same polarity.

10. The water quality monitoring device for environmental protection according to claim 2, characterized in that: The sampling screw sleeve (3) further comprises a plurality of blade plates (34), wherein the plurality of blade plates (34) are respectively fixedly connected to the four sides of the collecting frame (32).

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