Self-cleaning type ultraviolet disinfection device for mariculture
By introducing a self-cleaning system and a safety protection system into the seawater aquaculture ultraviolet disinfection device, the problems of dirt accumulation and ultraviolet leakage of UV lamps are solved, and more efficient water quality disinfection and safety guarantee are achieved.
Patent Information
- Application Number
- CN202420688811.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-04-07
AI Technical Summary
After the existing seawater aquaculture ultraviolet disinfection device is operating for a period of time, dirt or biofilm is easily accumulated on the outer wall of the UV lamp, resulting in a decrease in water quality and ultraviolet leakage is difficult to detect.
A self-cleaning ultraviolet disinfection device is designed, including mechanical cleaning accessories, electric tracks, cleaning control centers and detection sensors, which can automatically detect and clean UV lamps, prevent dirt and biofilm accumulation, and monitor and prevent UV leakage through a safety protection system.
It effectively improves the efficiency of ultraviolet disinfection, reduces equipment energy consumption, ensures the stability of water quality, and avoids the harm of ultraviolet leakage to the human body.
Smart Images
Figure CN222540543U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aquatic product breeding devices, in particular to a self-cleaning ultraviolet disinfection device for seawater breeding. Background Art
[0002] The ultraviolet disinfection technology in aquaculture water is based on modern epidemiology, medicine and photodynamics. It uses specially designed high-efficiency, high-intensity and long-life UV-C band ultraviolet light to irradiate flowing water, directly killing various bacteria, viruses, parasites, algae and other pathogens in the water to achieve the purpose of disinfection. Existing marine aquaculture ultraviolet disinfection devices widely use UV lamps to disinfect and sterilize water bodies, but after the disinfection device has been running for a period of time, dirt or biofilm will form on the outer wall of the UV lamp, which is difficult to clean, thus affecting the quality of the discharged water; ultraviolet rays have certain damage to human skin, and the commonly used marine aquaculture ultraviolet disinfection devices also have the problem of difficult to detect when ultraviolet rays leak during operation. Utility Model Content
[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a self-cleaning ultraviolet disinfection device for seawater aquaculture, which can clean ultraviolet lamps in a timely and effective manner, improve ultraviolet disinfection efficiency, reduce equipment energy consumption, and avoid the danger caused by ultraviolet leakage.
[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:
[0005] A self-cleaning ultraviolet disinfection device for marine aquaculture, comprising a device body, an ultraviolet lamp, a reflector and a cleaning system. The device body is a cubic container. A water inlet is provided on the left side of the device body. A pre-filter is provided on the water inlet. The pre-filter can be a fiber filter or a fine screen filter. A drain is provided on the right side of the device body. The middle area surrounded by the inner wall of the device body is a water purification channel. A plurality of ultraviolet lamps are provided. Each of the ultraviolet lamps is wrapped by a layer of quartz tube sleeve. The quartz tube sleeve protects the lamp from direct contact with the water flow and ensures the best UV Transmittance, the body of the ultraviolet lamp is fixed at the upper and lower ends of the water purification channel along the water flow direction, that is, the upper and lower inner walls of the device body. The ultraviolet lamp can be installed on the upper and lower inner walls of the device body through a base and fixed with bolts, or fixed in other sufficiently stable ways. A reflective cover is respectively installed on the inner side of the front end face and the rear end face of the device body. The reflective cover is made of aluminum alloy plate or other high reflectivity materials. The reflective cover can enhance the intensity of ultraviolet rays, increase the irradiation area, improve the disinfection efficiency and uniformity of ultraviolet light, and reduce the energy consumption of equipment.
[0006] The cleaning system includes mechanical cleaning accessories, electric rails, a cleaning control center and a detection sensor. The electric rails are installed in pairs on both sides of the quartz tube sleeve and are parallel to the length direction of the quartz tube sleeve. The mechanical cleaning accessories include a U-shaped brush inner shaft surrounding the cross section of the quartz tube sleeve, and a brush cover detachably installed on the outside of the brush inner shaft. The two ends of the brush inner shaft are respectively fixedly connected to the center of a pulley through a connecting rod. The pulley is slidably connected to the electric rail, that is, the brush inner shaft is slidably connected between two adjacent electric rails, and the brush cover is in full contact with the outside of the quartz tube sleeve. The electric rail is made of stainless steel or other corrosion-resistant materials. The electric rail can accurately control the moving distance and speed of the cleaning component to ensure the uniformity and effectiveness of the cleaning operation. The slide rail provides stable support, reduces mechanical vibration, and improves the reliability of the cleaning process. The cleaning control center is located at The detection sensor is arranged in the clean water channel at the lower outer side of the rear end surface of the device body, the input end of the cleaning control center is electrically connected to the detection sensor, the output end of the cleaning control center is electrically connected to the electric track, the cleaning control center operates automatically, and the cleaning control center is also provided with a manual switch button, a speed and direction adjustment button of the electric track; when the cleaning control center detects that the dirt in the water body reaches a set threshold according to the detection sensor, it can be determined that the dirt falling off the quartz tube sleeve reaches a certain level, that is, the quartz tube sleeve needs to be cleaned. At this time, the cleaning control center starts the self-cleaning function, drives the mechanical cleaning accessory to run at the set speed and direction on the electric track, and supports the operator to manually control the cleaning control center to clean according to the running time of the device. The initial position of the mechanical cleaning accessory is on the far right of the electric track, and when the self-cleaning is completed, it automatically returns to the initial position.
[0007] As a further technical improvement, the detection sensor is a conductivity sensor, which is installed on the inner wall behind the device body and is in full contact with the water in the water purification channel. The detection sensor can detect changes in the conductivity of the water to analyze the degree of dirt falling off the quartz tube sleeve.
[0008] As a further technical improvement, a hole is opened at each end of the inner shaft of the brush, and a cleaning nozzle can be removably installed in the hole. The direction of the cleaning nozzle faces the quartz tube sleeve surrounded by the inner shaft of the brush. The cleaning nozzle can be used to spray tap water or a biological enzyme cleaner that dissolves biofilm to improve cleaning efficiency.
[0009] As a further technical improvement, the cleaning nozzle is connected to a water pump through a retractable water pipe, and the water pump is located in the lower right corner behind the device body. The water outlet of the water pump is connected to the retractable water pipe, and the water outlet of the water pump passes through the rear side wall of the device body. The water inlet of the water pump is connected to a water tank, and the water tank is located behind the device body. The water pump is electrically connected to the output end of the cleaning control center and is started synchronously when the cleaning control center performs automated cleaning. The water tank is used to store cleaning water or bio-enzyme cleaner. The cleaning water or bio-enzyme cleaner enters the cleaning nozzle through the water pump and the retractable water pipe and is sprayed on the quartz tube sleeve. The operator can operate the water pump through the cleaning control center or directly.
[0010] As a further technical improvement, a drainage filter is provided in the drainage port. The drainage filter adopts an activated carbon filter. The activated carbon filter is mainly used to remove chlorine and organic matter, but can also indirectly reduce the growth of microorganisms, thereby reducing the formation of biofilm.
[0011] As a further technical improvement, the self-cleaning ultraviolet disinfection device for marine aquaculture also includes a safety protection system, which includes a safety protection cover, a perspective window, an ultraviolet leakage detector and an ultraviolet safety control center; the safety protection cover is the outer shell of the device body, and is made of corrosion-resistant and opaque materials such as stainless steel. A perspective window is opened above the left end face and the right end face of the safety protection cover, and the perspective window is made of polycarbonate (PC) material. PC plastic has good UV resistance and can prevent the penetration of ultraviolet rays while allowing operators to inspect the working status of the lamp tube. A plurality of ultraviolet leakage detectors are provided, and the ultraviolet leakage detector uses a UV radiometer. The external leakage detector is installed on the outside of the front and rear of the safety protection cover, and is installed in multiple positions to achieve all-round monitoring. It is best arranged near possible ultraviolet leakage points, such as seams, openings or other weak links of the protection cover. The ultraviolet safety control center is arranged on the outside of the lower left corner in front of the safety protection cover. The ultraviolet safety control center is provided with a safety switch and an alarm. The input end of the ultraviolet safety control center is electrically connected to the ultraviolet leakage detector through a wire, and the output end of the ultraviolet safety control center is electrically connected to the alarm. The safety switch is electrically connected to the ultraviolet lamp. Once ultraviolet leakage is detected, an alarm is immediately sounded and the ultraviolet lamp is automatically turned off. At the same time, the ultraviolet safety control center also supports the staff to manually turn off the ultraviolet lamp.
[0012] As a further technical improvement, an inspection door is rotatably connected to the front of the device body, so that the device body can be easily opened and closed when the lamp needs to be replaced or maintenance is required.
[0013] The working principle of this utility model:
[0014] When in use, the aquaculture seawater to be treated first enters the device body through the pre-filter from the water inlet, and the impurities in the seawater are initially removed. In the water purification channel, the seawater is continuously sterilized and disinfected under the action of the ultraviolet lamp, and finally discharged from the drain port through the drainage filter; the detection sensor continuously detects the conductivity of the water body to determine whether the quartz tube sleeve needs to be cleaned. When the conductivity of the water body reaches the set threshold, the cleaning control center automatically runs the mechanical cleaning accessories, and the mechanical cleaning accessories run on the electric track. At the same time, the cleaning nozzle sprays cleaning water or biological enzyme cleaner to the outside of the quartz tube sleeve, and the auxiliary brush sleeve brushes the dirt or biofilm on the outside of the quartz tube sleeve. The scrubbed dirt or biofilm is finally filtered by the drainage filter; the operator can detect the operating status inside the device body through the perspective windows at the left and right ends. The ultraviolet leakage detector continuously detects the ultraviolet intensity on the surface of the device body. When ultraviolet rays leak, an alarm is immediately issued and the ultraviolet lamp is automatically turned off; when the device needs to be repaired or cleaned, the inspection door can be opened to repair the inside of the device.
[0015] Compared with the prior art, the advantages and beneficial effects of the utility model are as follows:
[0016] 1. When using ultraviolet lamps to disinfect and sterilize aquaculture seawater, the cleaning system of the utility model can automatically clean the ultraviolet lamps according to the data collected by the detection sensor, and can effectively and timely clean the ultraviolet lamps to prevent the accumulation of dirt and biofilm on the outside of the ultraviolet lamps, thereby affecting the final water quality of the effluent.
[0017] 2. The cleaning system of the utility model uses an electric track, which can accurately control the moving distance and speed of the mechanical cleaning parts, ensure the uniformity and effectiveness of the cleaning operation, provide stable support, reduce mechanical vibration, and improve the reliability of the cleaning process.
[0018] 3. The cleaning system of the utility model uses a U-shaped brush inner shaft and a brush cover, which can fully and effectively clean the surface of the ultraviolet lamp tube.
[0019] 4. The cleaning system of the utility model is also provided with a cleaning nozzle, which improves the cleaning efficiency.
[0020] 5. The device body of the utility model is equipped with a safety protection system, which determines whether ultraviolet leakage occurs based on the data collected by the ultraviolet leakage detector, and automatically turns off the ultraviolet lamp when ultraviolet leakage occurs, thereby avoiding the danger caused by ultraviolet leakage to the staff.
[0021] 6. The reflective cover of the utility model can enhance the intensity of ultraviolet rays, increase the irradiation area, improve the disinfection efficiency and uniformity of ultraviolet light, and reduce the energy consumption of equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the internal structure of the front side of the utility model.
[0023] Figure 2 It is a front view of the utility model.
[0024] Figure 3 It is a rear view of the utility model.
[0025] Figure 4 It is a schematic diagram of the internal structure of the left side of the utility model.
[0026] Figure 5 It is a side view of the left side of the utility model.
[0027] Figure 6 It is a side view of the right side of the utility model.
[0028] Figure 7 It is a structural schematic diagram of the front side of the mechanical cleaning accessory in the utility model.
[0029] Figure 8 It is a structural schematic diagram of the side surface of the mechanical cleaning accessory in the utility model.
[0030] Figure ID:
[0031] 1-device body, 11-water inlet, 111-pre-filter, 12-drain outlet, 121-drain filter, 13-clean water channel, 2-UV lamp, 21-quartz tube sleeve, 3-reflection cover, 4-cleaning system, 41-mechanical cleaning accessories, 411-brush inner shaft, 412-brush sleeve, 413-connecting rod, 414-pulley, 415-cleaning nozzle, 416-water pump, 4161-water pump outlet, 4162-water pump inlet, 417-water tank, 42-electric track, 43-cleaning control center, 44-detection sensor, 5-safety protection system, 51-safety protection cover, 52-perspective window, 53-UV leak detector, 54-UV safety control center, 6-inspection door. DETAILED DESCRIPTION
[0032] The utility model is further described below in conjunction with the accompanying drawings. Example
[0033] A self-cleaning ultraviolet disinfection device for marine aquaculture, comprising a device body 1, an ultraviolet lamp 2, a reflector 3 and a cleaning system 4, wherein the device body 1 is a cubic container, a water inlet 11 is provided on the left side of the device body 1, and a pre-filter 111 is provided on the water inlet 11, and the pre-filter 111 is a fiber filter, a drain 12 is provided on the right side of the device body 1, and the middle area surrounded by the inner wall of the device body 1 is a water purification channel 13, and the ultraviolet lamp 2 is provided with 6 upper and lower ones, and each of the ultraviolet lamps 2 is wrapped by a layer of quartz tube sleeve 21, and the quartz tube sleeve 21 protects The lamp tube is protected from direct contact with the water flow and the optimal UV transmittance is ensured. The tube body of the ultraviolet lamp tube 2 is fixed at the upper and lower ends of the water purification channel 13 along the water flow direction, that is, the upper and lower inner walls of the device body 1. The ultraviolet lamp tube 2 is installed on the upper and lower inner walls of the device body 1 through a base and fixed with bolts. A layer of reflector 3 is respectively installed on the inner side of the front end face and the rear end face of the device body 1. The reflector hood 3 is made of aluminum alloy plate. The reflector hood 3 can enhance the intensity of ultraviolet rays, increase the irradiation area, improve the disinfection efficiency and uniformity of ultraviolet light, and reduce the energy consumption of equipment.
[0034] The cleaning system 4 includes a mechanical cleaning accessory 41, an electric track 42, a cleaning control center 43 and a detection sensor 44. The electric track 42 is installed in pairs on both sides of each quartz tube sleeve 21 and is parallel to the length direction of the quartz tube sleeve 21. The mechanical cleaning accessory 41 includes a U-shaped brush inner shaft 411 surrounding the cross section of the quartz tube sleeve 21, and a brush cover 412 detachably installed on the outside of the brush inner shaft 411. The two ends of the brush inner shaft 411 are respectively fixedly connected to the center of a pulley 414 through a connecting rod 413. The pulley 414 is slidably connected to the electric track 42, that is, the brush inner shaft 411 is slidably connected between two adjacent electric tracks 42. The brush cover 412 is fully in contact with the outside of the quartz tube sleeve 21. The electric track 42 is made of stainless steel. The electric track 42 can accurately control the moving distance and speed of the cleaning component, ensuring the uniformity and effectiveness of the cleaning operation. The slide rail provides stable support, reduces mechanical vibration, and improves the reliability of the cleaning process. The center 43 is located at the lower outer side of the rear end surface of the device body 1, the detection sensor 44 is arranged in the clean water channel, the input end of the cleaning control center 43 is electrically connected to the detection sensor 44, the output end of the cleaning control center 43 is electrically connected to the electric track 42, the cleaning control center 43 operates automatically, and the cleaning control center 43 is also provided with a manual switch button, a speed and direction adjustment button of the electric track; when the cleaning control center 43 detects that the dirt in the water body reaches a set threshold according to the detection sensor 44, it can be determined that the dirt falling off the quartz tube sleeve 21 reaches a certain level, that is, the quartz tube sleeve 21 needs to be cleaned. At this time, the cleaning control center 43 starts the self-cleaning function, drives the mechanical cleaning accessory 41 to run at the set speed and direction on the electric track 42, and supports the operator to manually control the cleaning control center 43 to clean according to the running time of the device. The initial position of the mechanical cleaning accessory 41 is on the far right of the electric track 42, and when the self-cleaning is completed, it automatically returns to the initial position. Example
[0035] The difference from Example 1 is that the detection sensor 44 is a conductivity sensor, which is installed on the inner wall behind the device body 1 and is in full contact with the water in the clean water channel 13. The detection sensor 44 can detect changes in the conductivity of the water to analyze the degree of dirt falling off the quartz tube sleeve 21. Example
[0036] The difference from Example 2 is that a hole is provided at each end of the brush inner shaft 411, and a cleaning nozzle 415 can be detachably installed in the hole. The direction of the cleaning nozzle 415 faces the quartz tube sleeve 21 surrounded by the brush inner shaft 411. The cleaning nozzle 415 can be used to spray tap water or a bio-enzyme cleaner that dissolves biofilm to improve cleaning efficiency;
[0037] The cleaning nozzle 415 is connected to the water pump 416 through a retractable water pipe, and the water pump 416 is located at the lower right corner of the rear of the device body 1. The water pump outlet 4161 is connected to the retractable water pipe, and the water pump outlet 4161 passes through the rear side wall of the device body 1. The water pump inlet 4162 is connected to the water tank 417, and the water tank 417 is located at the rear of the device body 1. The water pump 416 is electrically connected to the output end of the cleaning control center 43, and is synchronously started when the cleaning control center 43 automatically cleans. The water tank 417 is used to store cleaning water or bio-enzyme cleaner. The cleaning water or bio-enzyme cleaner enters the cleaning nozzle 415 through the water pump 416 and the retractable water pipe and is sprayed on the quartz tube sleeve 21. The operator can operate the water pump through the cleaning control center or directly Example
[0038] The difference from Example 3 is that a drainage filter 121 is provided in the drainage port 12. The drainage filter 121 adopts an activated carbon filter. The activated carbon filter is mainly used to remove chlorine and organic matter, but can also indirectly reduce the growth of microorganisms, thereby reducing the formation of biofilm. Example
[0039] The difference from Example 4 is that it also includes a safety protection system 5, which includes a safety protection cover 51, a perspective window 52, an ultraviolet leakage detector 53 and an ultraviolet safety control center 54; the safety protection cover 51 is the shell of the device body 1, which is made of stainless steel material, and a perspective window 52 is respectively opened above the left end face and the right end face of the safety protection cover 51, and the perspective window 52 is made of polycarbonate (PC) material. PC plastic has good UV resistance and can prevent ultraviolet rays from penetrating, while allowing operators to inspect the working status of the lamp tube. The ultraviolet leakage detector 53 uses a UV radiometer, and the ultraviolet leakage detector 5 3 is provided with 4, which are respectively installed on the outer side of the upper left corner and the upper right corner of the front end face of the safety protection cover 51, and the outer side of the upper left corner and the upper right corner of the rear end face. The ultraviolet safety control center 54 is arranged on the outer side of the lower left corner in front of the safety protection cover 51. The ultraviolet safety control center 54 is provided with a safety switch and an alarm. The input end of the ultraviolet safety control center 54 is electrically connected to the ultraviolet leakage detector 53 through a wire, and the output end of the ultraviolet safety control center 54 is electrically connected to the alarm. The safety switch is electrically connected to the ultraviolet lamp 2. Once ultraviolet leakage is detected, an alarm is immediately sounded and the ultraviolet lamp 2 is automatically turned off. At the same time, the ultraviolet safety control center 54 also supports the staff to manually turn off the ultraviolet lamp 2 Example
[0040] The difference from the fifth embodiment is that an inspection door 6 is rotatably connected to the front of the device body 1, so that the device body 1 can be easily opened and closed when the lamp needs to be replaced or maintenance is required.
[0041] The working principle of this embodiment:
[0042] When in use, the aquaculture seawater to be treated first enters the device body 1 through the pre-filter 111 from the water inlet 11, and the impurities in the seawater are initially removed. In the water purification channel 13, the seawater is continuously sterilized and disinfected under the action of the ultraviolet lamp 2, and finally discharged from the drain port 12 through the drain filter 121; the detection sensor 44 continuously detects the conductivity of the water body to determine whether the quartz tube sleeve 21 needs to be cleaned. When the conductivity of the water body reaches the set threshold, the cleaning control center 43 automatically operates the mechanical cleaning accessory 41, and the mechanical cleaning accessory 41 runs on the electric track 42, and the cleaning spray is The head 415 sprays cleaning water or bio-enzyme cleaner onto the outside of the quartz tube sleeve 21, and the auxiliary brush sleeve 412 scrubs the dirt or biofilm on the outside of the quartz tube sleeve 21, and the scrubbed dirt or biofilm is finally filtered by the drainage filter 121; the operator can detect the operating status inside the device body 1 through the perspective windows 52 at the left and right ends, and the ultraviolet leakage detector 53 continuously detects the ultraviolet intensity on the surface of the device body 1. When ultraviolet rays leak, an alarm is immediately sounded and the ultraviolet lamp 2 is automatically turned off; when the device needs to be repaired or cleaned, the inspection door 6 can be opened to repair the inside of the device.
[0043] Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation of the present invention. For ordinary technicians in the relevant technical field, other different forms of changes or modifications can be made based on the above description; it is not necessary and impossible to list all the implementation methods here; and the obvious changes or modifications derived from them are still within the scope of protection of the present invention.
Claims
1. A self-cleaning ultraviolet disinfection device for marine aquaculture, comprising a device body (1), an ultraviolet lamp (2), a reflector (3) and a cleaning system (4), characterized in that: The device body (1) is a cubic container. A water inlet (11) is provided on the left side of the device body (1). The water inlet (11) is provided with a pre-filter (111). A water outlet (12) is provided on the right side of the device body (1). The middle area surrounded by the inner wall of the device body (1) is a water purification channel (13). A plurality of ultraviolet lamp tubes (2) are provided. Each of the ultraviolet lamp tubes (2) is wrapped by a layer of quartz tube sleeve (21). The tube body of the ultraviolet lamp tube (2) is fixed at the upper and lower ends of the water purification channel (13) along the water flow direction, i.e., the upper and lower inner walls of the device body (1); a layer of reflective cover (3) is respectively installed on the inner side of the front end face and the rear end face of the device body (1); The cleaning system (4) comprises a mechanical cleaning accessory (41), an electric track (42), a cleaning control center (43) and a detection sensor (44); the electric track (42) is installed in pairs on both sides of the quartz tube sleeve (21) and is parallel to the length direction of the quartz tube sleeve (21); the mechanical cleaning accessory (41) comprises a U-shaped brush inner shaft (411) surrounding the cross section of the quartz tube sleeve (21), and a brush sleeve (412) detachably installed on the outside of the brush inner shaft (411); the two ends of the brush inner shaft (411) are respectively fixedly connected to the center of a pulley (414) through a connecting rod (413); the pulley (414) and the electric track (411) are connected to each other. 2) Sliding connection, i.e., the brush inner shaft (411) is slidably connected between two adjacent electric rails (42); the brush sleeve (412) is in full contact with the outer side of the quartz tube sleeve (21); the cleaning control center (43) is located at the lower outer side of the rear end surface of the device body (1); the detection sensor (44) is arranged in the clean water channel (13); the input end of the cleaning control center (43) is electrically connected to the detection sensor (44); the output end of the cleaning control center (43) is electrically connected to the electric rail (42); the cleaning control center (43) operates automatically; the cleaning control center (43) is also provided with a manual switch button and a speed and direction adjustment button of the electric rail.
2. A self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 1, characterized in that: The detection sensor (44) is a conductivity sensor, which is mounted on the inner wall behind the device body (1) and is in full contact with the water in the water purification channel (13).
3. The self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 1, characterized in that: A hole is formed at each end of the inner brush shaft (411), and a cleaning nozzle (415) can be detachably installed in the hole. The cleaning nozzle (415) faces the quartz tube sleeve (21) surrounded by the inner brush shaft (411).
4. A self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 3, characterized in that: The cleaning nozzle (415) is connected to a water pump (416) via a retractable water pipe. The water pump (416) is located at the lower right corner of the rear of the device body (1). The water pump outlet (4161) is connected to the retractable water pipe. The water pump outlet (4161) passes through the rear side wall of the device body (1). The water pump inlet (4162) is connected to a water tank (417). The water tank (417) is located at the rear of the device body (1). The water pump (416) is electrically connected to the cleaning control center (43).
5. The self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 1, characterized in that: A drainage filter (121) is provided in the drainage port (12).
6. A self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 1, characterized in that: The device also comprises a safety protection system (5), the safety protection system (5) comprising a safety protection cover (51), a perspective window (52), an ultraviolet leakage detector (53) and an ultraviolet safety control center (54); the safety protection cover (51) is the outer shell of the device body (1), one perspective window (52) is respectively provided on the left end face and the upper part of the right end face of the safety protection cover (51), a plurality of ultraviolet leakage detectors (53) are provided, the ultraviolet leakage detectors (53) are installed on the outside of the front and rear of the safety protection cover (51), the ultraviolet safety control center (54) is arranged on the outside of the lower left corner of the front of the safety protection cover (51), a safety switch and an alarm are provided on the ultraviolet safety control center (54), the input end of the ultraviolet safety control center (54) is electrically connected to the ultraviolet leakage detector (53) through a wire, the output end of the ultraviolet safety control center is electrically connected to the alarm, and the safety switch is electrically connected to the ultraviolet lamp (2).
7. The self-cleaning ultraviolet disinfection device for marine aquaculture according to claim 1, characterized in that: An inspection door (6) is rotatably connected to the front of the device body (1).