CN218157866U - Water environment ecological heavy metal pollution monitoring equipment - Google Patents
Water environment ecological heavy metal pollution monitoring equipment Download PDFInfo
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- CN218157866U CN218157866U CN202222192840.5U CN202222192840U CN218157866U CN 218157866 U CN218157866 U CN 218157866U CN 202222192840 U CN202222192840 U CN 202222192840U CN 218157866 U CN218157866 U CN 218157866U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses a water environment ecology heavy metal pollution monitoring facilities, including the monitoring shell, two showy boards of monitoring shell bottom fixedly connected with, monitoring shell lateral wall fixedly connected with drive shell, drive shell inner wall connection has the subassembly that cruises, monitoring shell top is run through and is provided with the regulation pole, adjust pole one end fixedly connected with heavy metal monitoring probe, adjust pole other end fixedly connected with regulating plate. The utility model discloses, it is rotatory to drive the installation pivot on the mounting disc through servo motor to the installation pivot is in returning the inside slip of shape inboard, returns the shape board simultaneously and drives the catch bar and promote the installation lantern ring, and the installation lantern ring drives the installation pipe and reciprocates after that, makes the shower nozzle on the installation pipe from top to bottom even wash heavy metal monitoring probe, conveniently further reduces the error of prison time measuring, makes and to clear up heavy metal detecting head, simultaneously through dual monitoring, reduces the influence of monitoring, improves the result of use.
Description
Technical Field
The utility model relates to a water environment pollution monitoring devices technical field especially relates to a water environment ecology heavy metal pollution monitoring facilities.
Background
Heavy metal pollution refers to the environmental pollution that is caused by heavy metal or its compound, heavy metal content in the water environment increases because of human activity leads to, surpass normal range, direct harm health, and lead to the environmental quality to worsen, in order to carry out more accurate treatment to sewage, generally need carry out real-time supervision to sewage through monitoring facilities, at present, current partial monitoring facilities simple structure does not have cleaning function, can not wash heavy metal detecting head after the monitoring is accomplished, lead to can producing the error to next monitoring, heavy metal detecting head after the while monitoring probably monitors inaccurately, influence the monitoring result, thereby reduce the result of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a water environment ecological heavy metal pollution monitoring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the water environment ecological heavy metal pollution monitoring equipment comprises a monitoring shell, wherein the bottom of the monitoring shell is fixedly connected with two floating plates, the outer side wall of the monitoring shell is fixedly connected with a driving shell, and the inner wall of the driving shell is connected with a cruise component;
an adjusting rod penetrates through the top of the monitoring shell, one end of the adjusting rod is fixedly connected with a heavy metal monitoring probe, the other end of the adjusting rod is fixedly connected with an adjusting plate, the top of the monitoring shell is fixedly connected with an electric telescopic rod, the piston end of the electric telescopic rod is fixedly connected with the adjusting plate, and the inner wall of the monitoring shell is connected with a monitoring assembly;
two symmetrical L shape backup pads of bottom fixedly connected with in the monitoring shell, two fixedly connected with washs the lantern ring between the L shape backup pad, wash lantern ring inner wall fixedly connected with and wash the brush hair, fixedly connected with barrier plate between top and the bottom in the monitoring shell, the bottom runs through and has seted up the monitoring mouth in the monitoring shell, the bottom is connected with the clearance subassembly in the monitoring shell.
As a further description of the above technical solution:
the cruise assembly comprises a driving motor fixedly connected with the inner wall of the driving shell, a driving gear is fixedly connected with an output shaft of the driving motor, the outer side wall of the driving shell penetrates through and is rotatably connected with two driving rods, one end of each driving rod is fixedly connected with a driving fan blade, the other end of each driving rod is fixedly connected with a rotating gear, and the rotating gears are meshed with the driving gear together.
As a further description of the above technical solution:
the monitoring assembly comprises a storage box fixedly connected with the inner wall of the monitoring shell, a first branch pipe is fixedly connected to the top of the storage box, a first material pumping pump is fixedly connected to the tail end of the first branch pipe, and a second branch pipe is fixedly connected to the water inlet of the first material pumping pump.
As a further description of the above technical solution:
the terminal monitoring shell that runs through of second branch pipe extends a monitoring shell outside, the first connecting pipe of storage box bottom fixedly connected with, the terminal fixedly connected with second material pump of first connecting pipe, second material pump delivery port fixedly connected with second connecting pipe, the terminal fixedly connected with monitoring box of second connecting pipe, second connecting pipe lateral wall fixedly connected with solenoid valve.
As a further description of the above technical solution:
the clearance subassembly include with monitoring shell bottom fixed connection's filter shell, filter shell inner wall fixedly connected with filter screen, the filter screen lateral wall is connected with the filtration carbon piece through the filter pulp, the first pipe and the second of assisting of fixedly connected with are assisted respectively in filter shell lateral wall both sides, first pipe end and the second connecting pipe fixed connection of assisting.
As a further description of the above technical solution:
the utility model discloses a pipe, including the pipe end, the second is assisted and is managed end and run through barrier plate and fixedly connected with bellows, the terminal fixedly connected with installation pipe of bellows, the terminal fixedly connected with shower nozzle of installation pipe, the installation pipe lateral wall is fixed to be cup jointed the installation lantern ring, the top is connected with the promotion subassembly in the monitoring shell.
As a further description of the above technical solution:
the pushing assembly comprises an L-shaped hanging plate fixedly connected with the inner top of the monitoring shell, a pushing rod penetrates through the top of the L-shaped hanging plate, one end of the pushing rod is fixedly connected with a return plate, and the other end of the pushing rod is fixedly connected with the mounting collar.
As a further description of the above technical solution:
the L-shaped suspension plate is characterized in that a servo motor is fixedly connected to the top of the L-shaped suspension plate, an installation disc is fixedly connected to an output shaft of the servo motor, an installation rotating shaft is rotatably connected to the edge of the outer surface of the installation disc, and the installation rotating shaft and the clip-shaped plate are slidably installed.
The utility model discloses following beneficial effect has:
1. through the mutual matching among the monitoring component, the cleaning component and the pushing component, the L-shaped supporting plate, the cleaning lantern ring, the cleaning brush hair, the adjusting rod, the heavy metal monitoring probe, the adjusting plate and the electric telescopic rod are utilized to be matched, the electric telescopic rod is convenient to drive the adjusting rod on the adjusting plate to move downwards, the heavy metal monitoring probe on the adjusting rod penetrates through the monitoring port to monitor water, meanwhile, the electric telescopic rod repeatedly drives the heavy metal monitoring probe on the adjusting rod to move upwards and downwards, and the heavy metal monitoring probe and the cleaning brush hair on the cleaning lantern ring are repeatedly cleaned, so that the error in monitoring is reduced, the monitoring component is utilized to enable the storage box, the first branch pipe, the first pumping pump, the second branch pipe, the monitoring shell, the first connecting pipe, the second pumping pump, the second connecting pipe, the monitoring box and the electromagnetic valve to be matched, and the second connecting pipe is conveniently driven by the second pumping pump to enter the monitoring box for further monitoring, the cleaning component is utilized to ensure that the filtering shell, the filtering net, the filtering cotton, the filtering carbon blocks, the first auxiliary pipe, the second connecting pipe, the telescopic hose, the mounting pipe, the nozzle and the mounting sleeve ring are matched, so that the heavy metal monitoring probe can be conveniently sprayed and cleaned through the nozzle on the mounting pipe, the pushing component is utilized to ensure that the L-shaped suspension plate, the push rod, the return plate, the mounting sleeve ring, the servo motor, the mounting disc and the mounting rotating shaft are matched, the mounting rotating shaft on the mounting disc is conveniently driven by the servo motor to rotate, the mounting rotating shaft slides in the return plate, the return plate drives the push rod to push the mounting sleeve ring, then the mounting sleeve ring drives the mounting pipe to move up and down, the nozzle on the mounting pipe is uniformly cleaned for the heavy metal monitoring probe up and down, the error in monitoring time can be conveniently further reduced, so that the heavy metal detecting head can be cleaned, meanwhile, through double monitoring, the influence of monitoring is reduced, and the using effect is improved.
2. Utilize the monitoring subassembly can make drive shell, driving motor, drive gear, drive flabellum, actuating lever, rotating gear and drive gear cooperation, be convenient for drive gear rotation through driving motor to drive gear and two rotating gear meshing, thereby drive the drive flabellum on the rotating gear and rotate, and drive flabellum drives drive shell and monitoring shell and removes, conveniently removes the monitoring of cruising.
Drawings
Fig. 1 is a schematic view of the overall structure of the water environment ecological heavy metal pollution monitoring device provided by the utility model;
fig. 2 is a schematic view of the internal structure of the monitoring shell of the water environment ecological heavy metal pollution monitoring device provided by the utility model;
fig. 3 is a schematic view of the internal structure of the filtering shell of the water environment ecological heavy metal pollution monitoring device provided by the utility model;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 5 is the utility model provides a water environment ecological heavy metal pollution monitoring facilities's drive shell internal structure schematic diagram.
Illustration of the drawings:
1. monitoring the housing; 2. a floating plate; 3. a drive housing; 4. adjusting a rod; 5. a heavy metal monitoring probe; 6. an adjusting plate; 7. an electric telescopic rod; 8. an L-shaped support plate; 9. cleaning the lantern ring; 10. a blocking plate; 11. a storage box; 12. a first branch pipe; 13. a first pump; 14. a second branch pipe; 15. a first connecting pipe; 16. a second pump; 17. a second connection pipe; 18. a monitoring box; 19. a first auxiliary pipe; 20. a filter housing; 21. a filter screen; 22. filtering the carbon block; 23. a second auxiliary pipe; 24. a flexible hose; 25. installing a pipe; 26. mounting a lantern ring; 27. an L-shaped suspension plate; 28. a servo motor; 29. installing a disc; 30. a push rod; 31. a return plate; 32. a drive rod; 33. driving the fan blades; 34. a rotating gear; 35. a drive motor; 36. the gears are driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a pair of ecological heavy metal pollution monitoring facilities of water environment, including monitoring shell 1, two showy boards of 1 bottom fixedly connected with of monitoring shell 2, monitoring shell 1 lateral wall fixedly connected with drive shell 3, 3 internal wall connections of drive shell have the subassembly of cruising, play the effect of the monitoring of cruising through the subassembly of cruising, refer to fig. 5, the subassembly of cruising includes the driving motor 35 with 3 internal wall fixed connection of drive shell, driving motor 35 output shaft fixedly connected with drive gear 36, 3 lateral walls of drive shell run through and the swivelling joint have two actuating levers 32, actuating lever 32 one end fixedly connected with drive flabellum 33, actuating lever 32 other end fixedly connected with rotating gear 34, two rotating gear 34 mesh with drive gear 36 jointly, play through driving motor 35 and drive gear 36 and carry out rotatory effect.
Monitoring shell 1 top is run through and is provided with regulation pole 4, adjust 4 one end fixedly connected with heavy metal monitoring probe 5 of pole, adjust 4 other end fixedly connected with regulating plate 6 of pole, monitoring shell 1 top fixedly connected with electric telescopic handle 7, electric telescopic handle 7 piston end and regulating plate 6 fixed connection, monitoring shell 1 inner wall connection has the monitoring subassembly, refer to fig. 2, the monitoring subassembly includes the storage box 11 with 1 inner wall fixed connection of monitoring shell, the first branch pipe 12 of storage box 11 top fixedly connected with, the first pump 13 of the first branch pipe 12 end fixedly connected with, the first pump 13 water inlet fixedly connected with second branch pipe 14 of first pump, the 14 end of second branch pipe runs through monitoring shell 1 and extends a monitoring shell 1 outside, the first connecting pipe 15 of storage box 11 bottom fixedly connected with, the 15 end fixedly connected with second pump 16 of first connecting pipe, the 16 delivery port fixedly connected with second connecting pipe 17 of second pump, the terminal fixedly connected with monitoring box 18 of second connecting pipe 17 lateral wall fixedly connected with solenoid valve, play the effect of monitoring the heavy metal of aquatic through the monitoring subassembly and carrying out the monitoring.
Two symmetrical L shape backup pads 8 of bottom fixedly connected with in the monitoring shell 1, fixedly connected with washs lantern ring 9 between two L shape backup pads 8, wash lantern ring 9 inner wall fixedly connected with washing brush hair, fixedly connected with barrier plate 10 between top and the bottom in the monitoring shell 1, the bottom runs through and has seted up the monitoring mouth in the monitoring shell 1, the bottom is connected with the clearance subassembly in the monitoring shell 1, refer to fig. 3 and fig. 2, the clearance subassembly includes with monitoring shell 1 inner bottom fixed connection's filter shell 20, filter shell 20 inner wall fixedly connected with filter screen 21, the filter screen 21 lateral wall is connected with filtration carbon block 22 through the filter pulp, filter shell 20 lateral wall both sides difference fixedly connected with first auxiliary pipe 19 and second auxiliary pipe 23, first auxiliary pipe 19 end and second connecting pipe 17 fixed connection, second auxiliary pipe 23 end runs through barrier plate 10 and fixedly connected with flexible hose 24, flexible hose 24 end fixedly connected with installation pipe 25, installation pipe 25 end fixedly connected with shower nozzle, the fixed coupling has installation lantern ring 26 has been cup jointed to the lateral wall of installation pipe 25, play the effect of clearing up the clearance of metal monitoring probe 5 through clearance subassembly.
Top is connected with the promotion subassembly in monitoring shell 1, refer to fig. 4, the promotion subassembly includes and hangs board 27 with monitoring shell 1 interior top fixed connection's L shape, L shape hangs board 27 top and runs through and is provided with catch bar 30, catch bar 30 one end fixedly connected with returns shape board 31, the catch bar 30 other end and installation lantern ring 26 fixed connection, L shape hangs board 27 top fixedly connected with servo motor 28, servo motor 28 output shaft fixedly connected with mounting disc 29, 29 outer surface edge of mounting disc rotates and is connected with the installation pivot, the installation pivot with return shape board 31 slidable mounting, play the effect that drives mounting disc 29 and rotate through servo motor 28.
The working principle is as follows: during the use, earlier take up monitoring shell 1, make two on the monitoring shell 1 float board 2 and the surface of water contact, and then start driving motor 35, it is rotatory to drive gear 36 through driving motor 35, and drive gear 36 is connected with two rotary gear 34 meshing, when drive gear 36 rotates, thereby also drive actuating lever 32 on two rotary gear 34 and rotate, and installation drive flabellum 33 on the actuating lever 32, make drive flabellum 33 rotatory, drive flabellum 33 and water contact simultaneously, make things convenient for drive flabellum 33 to drive monitoring shell 1 on the drive shell 3 and move in aqueous and cruise, guarantee the effect of cruising.
Then start electric telescopic handle 7, drive regulating plate 6 through electric telescopic handle 7 and contract, and regulating plate 6 and regulation pole 4 installation, make regulation pole 4 remove on monitoring shell 1, and install heavy metal monitoring probe 5 on regulation pole 4, move on monitoring shell 1 when adjusting pole 4, conveniently adjust heavy metal monitoring probe 5 downstream on pole 4 and pass and wash lantern ring 9, pass the monitoring mouth simultaneously and with the monitoring of water contact, make the data transmission of monitoring to outside detector on, start electric telescopic handle 7 once more after the monitoring, make electric telescopic handle 7 drive regulating plate 6 remove repeatedly from top to bottom, and heavy metal monitoring probe 5 resets, heavy metal monitoring probe 5 does not pass the monitoring mouth simultaneously, clean repeatedly through the washing brush hair on the washing lantern ring 9 after that, reduce the error of monitoring time measuring once more.
Then, the first pumping pump 13 on the second branch pipe 14 is started, so that the first pumping pump 13 drives the second branch pipe 14 to pump the monitored water, and the monitored water enters the second branch pipe 14, then enters the first branch pipe 12 from the second branch pipe 14, then is discharged from the first branch pipe 12 to the inside of the storage tank 11, and is stored to a proper height as needed, and the first pumping pump 13 is turned off, then the second pumping pump 16 on the first connection pipe 15 is started, the first connection pipe 15 is driven by the second pumping pump 16 to pump the monitored water inside the storage tank 11, and the monitored water enters the first connection pipe 15, then the first connection pipe 15 enters the second connection pipe 17, then the electromagnetic valve on the second connection pipe 17 is started, so that the monitored water enters the monitoring box 18 to be monitored again, then is transmitted to the further monitoring of the external monitoring device through the monitored data, and the electromagnetic valve on the second connection pipe 17 is turned off.
The water following a part of the monitoring enters the second connecting pipe 17, then enters the first auxiliary pipe 19 from the second connecting pipe 17, then enters the inside of the filter housing 20 from the first auxiliary pipe 19, and is subjected to three-stage filtration through the filter screen 21, the filter cotton and the filter carbon block 22 inside the filter housing 20, so that the filtered water enters the second auxiliary pipe 23, then enters the flexible hose 24 from the second auxiliary pipe 23, then enters the mounting pipe 25 from the flexible hose 24, and is then sprayed out from the spray head on the mounting pipe 25, thereby spraying the heavy metal monitoring probe 5, simultaneously starting the servo motor 28, driving the mounting disc 29 to rotate through the servo motor 28, and the mounting rotating shaft on the mounting disc 29 slides inside the clip plate 31, and giving a driving force to the clip plate 31, so that the clip plate 31 drives the push rod 30 to move on the L-shaped suspension plate 27, and the push rod 30 and the mounting collar 26, so that the mounting collar 26 drives the mounting pipe 25 to swing up and down, thereby uniformly spraying the metal monitoring probe 5, thereby further reducing impurities of the probe 5, thereby further ensuring the monitoring error of the monitoring effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an ecological heavy metal pollution monitoring facilities of water environment, includes monitoring shell (1), its characterized in that: the bottom of the monitoring shell (1) is fixedly connected with two floating plates (2), the outer side wall of the monitoring shell (1) is fixedly connected with a driving shell (3), and the inner wall of the driving shell (3) is connected with a cruise assembly;
an adjusting rod (4) penetrates through the top of the monitoring shell (1), one end of the adjusting rod (4) is fixedly connected with a heavy metal monitoring probe (5), the other end of the adjusting rod (4) is fixedly connected with an adjusting plate (6), the top of the monitoring shell (1) is fixedly connected with an electric telescopic rod (7), the piston end of the electric telescopic rod (7) is fixedly connected with the adjusting plate (6), and the inner wall of the monitoring shell (1) is connected with a monitoring assembly;
two symmetrical L shape backup pads (8) of bottom fixedly connected with in monitoring shell (1), two fixedly connected with washs lantern ring (9) between L shape backup pad (8), wash lantern ring (9) inner wall fixedly connected with and wash the brush hair, fixedly connected with barrier plate (10) between top and the bottom in monitoring shell (1), the bottom runs through and has seted up the monitoring mouth in monitoring shell (1), the bottom is connected with the clearance subassembly in monitoring shell (1).
2. The water environment ecological heavy metal pollution monitoring device according to claim 1, characterized in that: the cruise assembly comprises a driving motor (35) fixedly connected with the inner wall of a driving shell (3), an output shaft of the driving motor (35) is fixedly connected with a driving gear (36), the outer side wall of the driving shell (3) is penetrated and rotatably connected with two driving rods (32), one end of each driving rod (32) is fixedly connected with a driving fan blade (33), the other end of each driving rod (32) is fixedly connected with a rotating gear (34), and the rotating gears (34) are meshed with the driving gear (36) together.
3. The equipment for monitoring heavy metal pollution in water environment ecology according to claim 1, wherein: the monitoring assembly comprises a storage box (11) fixedly connected with the inner wall of the monitoring shell (1), a first branch pipe (12) fixedly connected to the top of the storage box (11), a first material pumping pump (13) fixedly connected to the tail end of the first branch pipe (12), and a second branch pipe (14) fixedly connected to a water inlet of the first material pumping pump (13).
4. The equipment for monitoring heavy metal pollution in water environment ecology according to claim 3, wherein: second branch pipe (14) end runs through monitoring shell (1) and extends a monitoring shell (1) outside, the first connecting pipe of storage box (11) bottom fixedly connected with (15), first connecting pipe (15) terminal fixedly connected with second material pump (16), second material pump (16) delivery port fixedly connected with second connecting pipe (17), terminal fixedly connected with monitoring box (18) of second connecting pipe (17), second connecting pipe (17) lateral wall fixedly connected with solenoid valve.
5. The aquatic environment ecological heavy metal pollution monitoring device according to claim 4, wherein: the clearance subassembly includes and monitors filter housing (20) of bottom fixed connection in shell (1), filter housing (20) inner wall fixedly connected with filter screen (21), filter screen (21) lateral wall is connected with through the filter pulp and filters carbon block (22), filter housing (20) lateral wall both sides respectively fixedly connected with first supplementary pipe (19) and the second of assisting manage (23), first supplementary pipe (19) end and second connecting pipe (17) fixed connection.
6. The aquatic environment ecological heavy metal pollution monitoring device according to claim 5, characterized in that: the utility model discloses a monitoring shell, including the second auxiliary pipe (23), stopper plate (10) and fixedly connected with expansion hose (24) are run through at the end of second auxiliary pipe (23), expansion hose (24) end fixedly connected with installation pipe (25), installation pipe (25) end fixedly connected with shower nozzle, the fixed cover of installation pipe (25) lateral wall has the installation lantern ring (26), the top is connected with the promotion subassembly in monitoring shell (1).
7. The aquatic environment ecological heavy metal pollution monitoring device according to claim 6, characterized in that: the pushing assembly comprises an L-shaped suspension plate (27) fixedly connected with the inner top of the monitoring shell (1), a push rod (30) penetrates through the top of the L-shaped suspension plate (27), one end of the push rod (30) is fixedly connected with a return plate (31), and the other end of the push rod (30) is fixedly connected with an installation sleeve ring (26).
8. The aquatic environment ecological heavy metal pollution monitoring device according to claim 7, characterized in that: the L-shaped suspension plate (27) is fixedly connected with a servo motor (28) at the top, an output shaft of the servo motor (28) is fixedly connected with a mounting disc (29), an installation rotating shaft is rotatably connected to the edge of the outer surface of the mounting disc (29), and the installation rotating shaft and the clip-shaped plate (31) are slidably mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222192840.5U CN218157866U (en) | 2022-08-20 | 2022-08-20 | Water environment ecological heavy metal pollution monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222192840.5U CN218157866U (en) | 2022-08-20 | 2022-08-20 | Water environment ecological heavy metal pollution monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218157866U true CN218157866U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222192840.5U Active CN218157866U (en) | 2022-08-20 | 2022-08-20 | Water environment ecological heavy metal pollution monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218157866U (en) |
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2022
- 2022-08-20 CN CN202222192840.5U patent/CN218157866U/en active Active
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