CN117849301B - Ship oil sewage monitoring device with oil content monitoring function - Google Patents
Ship oil sewage monitoring device with oil content monitoring function Download PDFInfo
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- CN117849301B CN117849301B CN202410258214.2A CN202410258214A CN117849301B CN 117849301 B CN117849301 B CN 117849301B CN 202410258214 A CN202410258214 A CN 202410258214A CN 117849301 B CN117849301 B CN 117849301B
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- 239000010865 sewage Substances 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000012806 monitoring device Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000005086 pumping Methods 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 12
- 230000010405 clearance mechanism Effects 0.000 claims 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 244000058871 Echinochloa crus-galli Species 0.000 description 3
- 235000015225 Panicum colonum Nutrition 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000002332 oil field water Substances 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a ship oil sewage monitoring device with an oil content monitoring function, which comprises a mounting bracket, a depth adjusting mechanism and a water pumping mechanism, wherein the mounting bracket is fixed on a deck, the depth adjusting mechanism is mounted on the mounting bracket and comprises a lifting platform, the water pumping mechanism and oil sewage monitoring equipment are both fixed on the lifting platform and can ascend or descend along with the lifting platform, the water pumping mechanism is used for pumping the oil sewage into the oil sewage monitoring equipment, the oil sewage monitoring equipment is used for monitoring the oil content in the oil sewage, the water pumping mechanism comprises a water inlet cylinder, a filter mechanism is fixed at the front end of the water inlet cylinder, and when a ship runs through the water pumping mechanism matched with the filter mechanism, the oil sewage around the ship is pumped up and filtered, and then the oil content in the oil sewage is measured in the oil sewage monitoring equipment, so that the influence of impurities in the oil sewage on an oil content measuring result is reduced, and the accuracy of the measuring result is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a ship oil sewage monitoring device with an oil content monitoring function.
Background
When a river is surveyed, the detection of the water pollution degree is indispensable, various substances contained in water can bring different degrees of influence to the use of ships, such as salt substances in water, sediment content in water, oil substances in water and the like, and the substances can cause different degrees of corrosion and damage to the ship body of the ship, so that various methods for monitoring the oil content of the polluted water, such as a vibration method, an infrared ray monitoring method, an ultrasonic wave method, a motor-driven gyroscopic method, a motor-driven hairspring torque method and the like, exist.
In the prior art, there is a device for monitoring the oil content of oil-containing wastewater, for example, patent CN114384216a discloses a movable on-line monitoring device for the water quality of offshore oilfield water injection and a monitoring method thereof, the patent is characterized in that a sample inlet and a sample outlet are respectively formed on a water injection pipeline, the sample inlet is connected with a water inlet of a measuring water tank through a sample injection pipeline, a sample injection valve and a pressure reducing valve are sequentially installed on the sample injection pipeline, the measuring water tank is installed in a detecting tank, a sensor is installed in the measuring water tank, the sensor is respectively electrically connected with a signal transmitter, the signal transmitter is installed outside the measuring water tank, the signal transmitter is respectively connected with a relay, a field control touch screen and a remote control end through a controller, a water outlet of the measuring water tank is connected with a sample outlet of the water injection pipeline through a sample discharging pipeline, and a booster pump, a pressure gauge and a sample outlet valve are sequentially installed on the sample outlet pipeline.
The above patent can monitor oily wastewater, but is mainly used for monitoring an offshore oilfield water injection well with little water quality change, and when monitoring oily wastewater around a ship, a great amount of seaweed or garbage is easily mixed in an extracted oily wastewater sample due to the fact that the water quality of the seawater around the ship changes at all times in the running process of the ship, so that the detection result is influenced.
The invention patent CN116835717A discloses an oily sewage treatment device for a marine fishing boat, which comprises a tank body and a diaphragm plate, wherein the diaphragm plate divides the tank body into an upper separation area and a lower separation area, a left longitudinal baffle plate and a right longitudinal baffle plate are arranged in the lower separation area, a transverse fixing plate is fixed between the left longitudinal baffle plate and the right longitudinal baffle plate, the left longitudinal baffle plate, the right longitudinal baffle plate and the transverse fixing plate divide the lower separation area into a water inlet chamber, a coalescing chamber and a separation chamber, the water inlet chamber is connected with a water inlet pipe, and a water inlet is arranged between the bottom of the left longitudinal baffle plate and the tank body; a coalescing assembly is arranged in the coalescing chamber, and a communicating hole is arranged on the transverse fixing plate; the part of the separation chamber between the right longitudinal baffle plate and the tank body forms a water outlet chamber, and the upper part of the separation chamber is connected with a first oil discharge pipe; an oil-water separation assembly is arranged in the upper separation area, the water outlet chamber is connected with the oil-water separation assembly through a lifting pipeline, and a second oil drain pipe and a drain pipe are connected to the tank body positioned in the upper separation area. However, according to the scheme, although the particulate impurities in the oil-containing sewage can be separated, the oil-containing sewage can be layered after the aggregation of small oil drops in the water, so that the subsequent monitoring of the oil content in the sewage sample around the ship is not facilitated.
Disclosure of Invention
The invention aims to provide a ship oil sewage monitoring device with an oil content monitoring function, so as to solve the problem that oil sewage around a ship body is difficult to monitor in time in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
The utility model provides a boats and ships oily sewage monitoring devices with oil content monitoring function, includes the installing support, the installing support is fixed on the deck, still includes degree of depth adjustment mechanism, pumping mechanism, filtering mechanism and oily sewage monitoring facilities, degree of depth adjustment mechanism installs on the installing support, degree of depth adjustment mechanism includes lift platform, pumping mechanism and oily sewage monitoring facilities are all fixed lift platform is last and can rise or descend along with lift platform, pumping mechanism is used for with the oily sewage suction in the oily sewage monitoring facilities, oily sewage monitoring facilities is arranged in monitoring the oil content in the oily sewage, pumping mechanism includes a water inlet tube, filtering mechanism fixes the front end of a water inlet tube.
As a preferable mode of the invention, the depth adjusting mechanism comprises an extension frame, a base, a rotating shaft, a worm gear mechanism, a screw rod and a guide rod, wherein the extension frame is fixed on the mounting bracket, the base is fixed on the extension frame, the rotating shaft is rotatably mounted on the mounting bracket, one end of the rotating shaft is fixedly provided with a handle, the other end of the rotating shaft is fixedly connected with the worm of the worm gear mechanism, the worm gear of the worm gear mechanism is coaxially connected with the screw rod, the guide rod and the screw rod are mutually parallel, the screw rod is rotatably mounted on the base, the guide rod penetrates through the lifting platform and is slidably connected with the lifting platform, and the screw rod penetrates through the lifting platform and is in threaded connection with the lifting platform, so that the lifting platform can be lifted or lowered when the rotating shaft is rotated.
As a preferable scheme of the invention, the water pumping mechanism further comprises a water pumping pump, a mixing tank and a water feeding pipe, wherein the upper end of the water feeding pipe is communicated with the water inlet end of the water pumping pump, the lower end of the water feeding pipe is communicated with the water inlet cylinder, the inlet end of the mixing tank is communicated with the water outlet end of the water pumping pump through the water pipe, and the outlet end of the mixing tank is communicated with the oil sewage monitoring equipment.
As a preferable scheme of the invention, a stirring rod is horizontally arranged in the mixing tank, a plurality of short rods are vertically fixed on the stirring rod, a stirring motor is fixed at the end part of the mixing tank, and an output shaft of the stirring motor is coaxially and fixedly connected with the stirring rod.
As a preferable scheme of the invention, the filtering mechanism comprises a sleeve, an end cover and a filter plate, wherein the sleeve is sleeved at the front end of the water inlet cylinder, the end cover is sleeved at the front end of the sleeve, the front side of the filter plate is downwards and obliquely fixed in the sleeve, a drain outlet is arranged below the sleeve, and water flow can flow from the front side of the filter plate to the rear side of the filter plate.
As a preferred scheme of the invention, the rear side of the filter plate is also fixedly provided with a cleaning mechanism, the cleaning mechanism comprises a paddle wheel and a disc, the paddle wheel is rotatably arranged on the rear side of the filter plate through a shaft post, the shaft post vertically penetrates through the centers of the paddle wheel and the disc and is fixedly connected with the paddle wheel and the disc, and the edge of the disc penetrates through a gap of the filter plate and then extends out of the front side of the filter plate.
As a preferable scheme of the invention, the rear end of the water inlet cylinder is fixedly provided with a water outlet pipe, and the water outlet pipe is provided with a one-way valve.
As a preferable scheme of the invention, the end cover is a hemispherical cover plate, and a gap is formed on the surface of the end cover.
Compared with the prior art, the invention has the following beneficial effects:
Be provided with water pumping mechanism and oily water monitoring facilities, when traveling with the boats and ships through water pumping mechanism cooperation filtering mechanism, the oily water extraction around the boats and ships comes up and filters the back, in sending into oily water monitoring facilities, measures the oil content in the oily water, has reduced the influence of impurity in the oily water to the oil content measuring result, has improved measuring result's accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a lifting platform according to the present invention;
FIG. 3 is a schematic structural view of the mixing tank of the present invention;
FIG. 4 is a schematic view of the structure of the water inlet barrel of the present invention;
FIG. 5 is a schematic view of the structure of the filtering mechanism of the present invention;
fig. 6 is a schematic structural view of the paddle wheel of the present invention.
Reference numerals: 1. a mounting bracket; 2. a depth adjustment mechanism; 3. a water pumping mechanism; 4. a filtering mechanism; 5. an oily water monitoring device; 6. a lifting platform; 7. a water inlet cylinder; 8. an extension rack; 9. a base; 10. a rotating shaft; 11. a worm gear mechanism; 12. a screw; 13. a guide rod; 14. a water pump; 15. a mixing tank; 16. a water supply pipe; 17. a stirring rod; 18. a stirring motor; 19. a sleeve; 20. an end cap; 21. a filter plate; 22. a paddle wheel; 23. a disc; 24. a one-way valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The concept of the present application will be described with reference to the accompanying drawings. It should be noted that the following descriptions of the concepts are only for making the content of the present application easier to understand, and do not represent a limitation on the protection scope of the present application; meanwhile, the embodiments of the present application and features in the embodiments may be combined with each other without collision. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 6, the embodiment of the ship oil-sewage monitoring device with the oil-content monitoring function is provided, the ship oil-sewage monitoring device comprises a mounting bracket 1, the mounting bracket 1 is fixed on a deck, the ship oil-sewage monitoring device further comprises a depth adjusting mechanism 2, a water pumping mechanism 3, a filtering mechanism 4 and an oil-sewage monitoring device 5, the depth adjusting mechanism 2 is arranged on the mounting bracket 1, the depth adjusting mechanism 2 comprises a lifting platform 6, the water pumping mechanism 3 and the oil-sewage monitoring device 5 are both fixed on the lifting platform 6 and can ascend or descend along with the lifting platform 6, the water pumping mechanism 3 is used for pumping the oil-sewage into the oil-sewage monitoring device 5, the oil-sewage monitoring device 5 is used for monitoring the oil content in the oil-sewage, the water pumping mechanism 3 comprises a water inlet cylinder 7, the filtering mechanism 4 is fixed at the front end of the water inlet cylinder 7, a water outlet pipe is fixed at the rear end of the water inlet cylinder 7, a one-way valve 24 is arranged on the water outlet pipe, and the one-way valve 24 can only enable the oil-sewage in the environment to enter the water inlet cylinder 7 from the front end of the water inlet cylinder 7 to prevent the oil-sewage in the environment from flowing backwards into the water inlet cylinder 7.
The depth adjusting mechanism 2 comprises an extension frame 8, a base 9, a rotating shaft 10, a worm gear mechanism 11, a screw rod 12 and a guide rod 13, wherein the extension frame 8 is fixed on the mounting bracket 1, the base 9 is fixed on the extension frame 8, the rotating shaft 10 is rotatably mounted on the mounting bracket 1, one end of the rotating shaft 10 is fixedly provided with a handle, the other end of the rotating shaft 10 is fixedly connected with the worm of the worm gear mechanism 11, the worm wheel of the worm gear mechanism 11 is coaxially connected with the screw rod 12, the guide rod 13 and the screw rod 12 are mutually parallel, the screw rod 12 is rotatably mounted on the base 9, the guide rod 13 penetrates through the lifting platform 6 and is in sliding connection with the lifting platform 6, the screw rod 12 penetrates through the lifting platform 6 and is in threaded connection with the lifting platform 6, and the lifting platform 6 can ascend or descend when the rotating shaft 10.
When the oil sewage near the ship needs to be monitored, the rotating shaft 10 drives the worm gear mechanism 11 to rotate, the worm gear mechanism 11 drives the screw rod 12 to rotate, the lifting platform 6 is driven to descend through the screw rod 12, and then the water inlet cylinder 7 of the water pumping mechanism 3 is placed into the oil sewage below the ship, so that the oil sewage below the water pumping mechanism is pumped in real time to monitor the running process of the ship.
The water pumping mechanism 3 further comprises a water pump 14, a mixing tank 15 and a water feeding pipe 16, the upper end of the water feeding pipe 16 is communicated with the water inlet end of the water pump 14, the lower end of the water feeding pipe 16 is communicated with the water inlet cylinder 7, the inlet end of the mixing tank 15 is communicated with the water outlet end of the water pump 14 through a water pipe, the outlet end of the mixing tank 15 is communicated with the oil sewage monitoring device 5, the filtered oil sewage in the water inlet cylinder 7 is pumped into the mixing tank 15 through the water pump 14 and then conveyed into the oil sewage monitoring device 5, and the oil sewage checking device can conveniently and timely measure the oil content in the oil sewage.
The stirring rod 17 is horizontally arranged in the mixing tank 15, a plurality of short rods are vertically fixed on the stirring rod 17, the stirring motor 18 is fixed at the end part of the mixing tank 15, the output shaft of the stirring motor 18 is fixedly connected with the stirring rod 17 coaxially, and the oil sewage in the mixing tank 15 is fully stirred through the stirring rod 17, so that the oil distribution in the sewage is more uniform, and the oil content in the oil sewage can be accurately measured by the follow-up oil sewage monitoring equipment 5.
The filtering mechanism 4 comprises a sleeve 19, an end cover 20 and a filter plate 21, wherein the sleeve 19 is sleeved at the front end of the water inlet barrel 7, the end cover 20 is sleeved at the front end of the sleeve 19, the end cover 20 is a hemispherical cover plate, when the water inlet barrel 7 advances, oily water enters the water inlet barrel 7 from the front end cover 20, larger impurities in the oily water are firstly blocked by the end cover 20, the hemispherical end cover 20 enables the impurities to be incapable of adhering to the surface of the end cover 20, a gap is formed in the surface of the end cover 20, the front side of the filter plate 21 is obliquely fixed in the sleeve 19 downwards, a drain outlet is formed below the sleeve 19, water flow can flow from the front side of the filter plate 21 to the rear side of the filter plate 21, after the oily water enters the end cover 20, a small amount of impurities contained in the oily water at the moment are filtered again through the filter plate 21, and meanwhile, the inclined downwards is arranged, so that part of impurities on the surface of the filter plate 21 can be washed down by the water flow and then discharged from the drain outlet of the lower side, and after the end cover 20 is completely blocked, the oily water can also enter the drain outlet 7 from the drain outlet to the water inlet barrel 7, and the sewage is suitable for the environment in the water inlet barrel 7.
The rear side of the filter plate 21 is also fixed with a cleaning mechanism, the cleaning mechanism comprises a paddle wheel 22 and a disc 23, the paddle wheel 22 is rotatably arranged at the rear side of the filter plate 21 through a shaft column, the shaft column vertically passes through the centers of the paddle wheel 22 and the disc 23 and is fixedly connected with the paddle wheel 22 and the disc 23, and the edge of the disc 23 extends out of the front side of the filter plate 21 after passing through a gap of the filter plate 21.
The working principle of the cleaning mechanism is that part of water grass can be clamped in a gap of the filter plate 21 in the use process of the filter plate 21, so when water flows through the paddle wheel 22, the paddle wheel 22 is pushed to rotate, the paddle wheel 22 rotates to drive the disc 23 to rotate, the edge of the disc 23 protrudes from the front side of the filter plate 21 and rotates from top to bottom, and therefore when the disc 23 rotates, the water grass clamped on the filter plate 21 can be pushed downwards, and the water grass is discharged from a sewage outlet below the filter plate 21.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely a preferred embodiment of the application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present application; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present application.
Claims (6)
1. Ship oil sewage monitoring device with oil content monitoring function, including installing support (1), installing support (1) are fixed on the deck, its characterized in that: the device comprises a mounting bracket (1), and is characterized by further comprising a depth adjusting mechanism (2), a water pumping mechanism (3), a filtering mechanism (4) and an oil sewage monitoring device (5), wherein the depth adjusting mechanism (2) is mounted on the mounting bracket (1), the depth adjusting mechanism (2) comprises a lifting platform (6), the water pumping mechanism (3) and the oil sewage monitoring device (5) are both fixed on the lifting platform (6) and can ascend or descend along with the lifting platform (6), the water pumping mechanism (3) is used for pumping the oil sewage into the oil sewage monitoring device (5), the oil sewage monitoring device (5) is used for monitoring the oil content in the oil sewage, the water pumping mechanism (3) comprises a water inlet cylinder (7), and the filtering mechanism (4) is fixed at the front end of the water inlet cylinder (7);
The filtering mechanism (4) comprises a sleeve (19), an end cover (20) and a filter plate (21), wherein the sleeve (19) is sleeved at the front end of the water inlet cylinder (7), the end cover (20) is sleeved at the front end of the sleeve (19), the front side of the filter plate (21) is fixed in the sleeve (19) in a downward inclined mode, a drain outlet is formed below the sleeve (19), and water flow can flow from the front side of the filter plate (21) to the rear side of the filter plate (21);
The rear side of filter plate (21) still is fixed with clearance mechanism, clearance mechanism includes oar wheel (22) and disc (23), oar wheel (22) are installed through the pedestal rotation the rear side of filter plate (21), the pedestal passes perpendicularly oar wheel (22) with the center of disc (23) and with oar wheel (22) and disc (23) fixed connection, the edge of disc (23) is passed behind the gap of filter plate (21) follow the front side of filter plate (21).
2. The ship oily water monitoring device with the oil content monitoring function as claimed in claim 1, wherein: the depth adjusting mechanism (2) comprises an extension frame (8), a base (9), a rotating shaft (10), a worm gear mechanism (11), a screw rod (12) and a guide rod (13), wherein the extension frame (8) is fixed on the mounting bracket (1), the base (9) is fixed on the extension frame (8), the rotating shaft (10) is rotationally installed on the mounting bracket (1), one end of the rotating shaft (10) is fixedly provided with a handle, the other end of the rotating shaft (10) is fixedly connected with the worm of the worm gear mechanism (11), the worm gear of the worm gear mechanism (11) is coaxially connected with the screw rod (12), the guide rod (13) is mutually parallel with the screw rod (12), the screw rod (12) is rotationally installed on the base (9), the guide rod (13) penetrates through the lifting platform (6) and is slidingly connected with the lifting platform (6), and the screw rod (12) is in threaded connection with the lifting platform (6), and when the rotating shaft (10) is rotationally connected with the lifting platform (6).
3. The ship oily water monitoring device with the oil content monitoring function as claimed in claim 1, wherein: the water pumping mechanism (3) further comprises a water pumping pump (14), a mixing tank (15) and a water feeding pipe (16), the upper end of the water feeding pipe (16) is communicated with the water inlet end of the water pumping pump (14), the lower end of the water feeding pipe (16) is communicated with the water inlet cylinder (7), the inlet end of the mixing tank (15) is communicated with the water outlet end of the water pumping pump (14) through a water pipe, and the outlet end of the mixing tank (15) is communicated with the oil sewage monitoring equipment (5).
4. A ship oil sewage monitoring device having an oil content monitoring function as set forth in claim 3, wherein: stirring rods (17) are horizontally arranged in the mixing tank (15), a plurality of short rods are vertically fixed on the stirring rods (17), a stirring motor (18) is fixed at the end part of the mixing tank (15), and an output shaft of the stirring motor (18) is fixedly connected with the stirring rods (17) in a coaxial mode.
5. The ship oily water monitoring device with the oil content monitoring function as claimed in claim 1, wherein: the rear end of the water inlet cylinder (7) is fixed with a water outlet pipe, and a one-way valve (24) is arranged on the water outlet pipe.
6. The ship oily water monitoring device with the oil content monitoring function as claimed in claim 1, wherein: the end cover (20) is a hemispherical cover plate, and a gap is formed in the surface of the end cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410258214.2A CN117849301B (en) | 2024-03-07 | 2024-03-07 | Ship oil sewage monitoring device with oil content monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410258214.2A CN117849301B (en) | 2024-03-07 | 2024-03-07 | Ship oil sewage monitoring device with oil content monitoring function |
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| CN117849301A CN117849301A (en) | 2024-04-09 |
| CN117849301B true CN117849301B (en) | 2024-05-14 |
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| CN202410258214.2A Active CN117849301B (en) | 2024-03-07 | 2024-03-07 | Ship oil sewage monitoring device with oil content monitoring function |
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