A device and method for feeding and domesticating mandarin fish

Abstract

The present application relates to the technical field of mandarin fish breeding, and discloses a mandarin fish domestication feed equipment and method, which comprises a breeding barrel, a control module, an environmental information acquisition module and a light response module; the environmental information acquisition module comprises a plurality of water-oxygen detectors and water turbidity monitors arranged in the breeding barrel; the control module sets threshold values of water-oxygen concentration and water turbidity concentration of the breeding barrel, and is electrically connected with the environmental information acquisition module; the light response module comprises an induction lamp tube coaxially arranged on the outer circumferential surface of the breeding barrel; the light response module is electrically connected with the control module, and the induction lamp tube displays red, yellow and green light colors. The present application improves the effect that the traditional mandarin fish breeding method cannot monitor water quality changes in real time through periodic sampling detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mandarin fish breeding, and relates to a mandarin fish domestication feed equipment and method. BACKGROUND

[0002] In China, the main mandarin fish variety is mandarin fish, and the diet is a ferocious carnivorous fish. The traditional breeding method is to feed live fish. Generally, 4-5 bait fish breeding ponds are required for one mandarin fish breeding pond. The disadvantages are high cost, heavy workload, unstable bait fish breeding, etc. In recent years, the formula of mandarin fish feed has gradually matured, and the mandarin fish can be raised to marketable size by using compound feed.

[0003] Traditional mandarin fish breeding has high requirements for water quality. The use of a circulating water system can ensure high density, no parasites in water, sufficient dissolved oxygen, controllable water temperature (23-25 degrees Celsius), controllable light (1-3000lx on the water surface), controllable ph (7-8.5), controllable ammonia nitrogen (less than 0.1ppm) and nitrite (less than 0.01ppm).

[0004] Traditional mandarin fish breeding mainly relies on manual feeding, which not only consumes a lot of manpower and material resources, but also is difficult to ensure uniform and appropriate feeding of feed, which is easy to cause waste of feed and pollution of water quality. With the progress of science and technology and the development of breeding technology, people have begun to try to use automated equipment and technical means to improve the breeding method of mandarin fish.

[0005] In view of the above related technology, the traditional method realizes by periodic sampling detection. This method cannot monitor the change of water quality in real time, and it is difficult to respond to water quality problems in time. SUMMARY

[0006] In order to solve the problem that the traditional mandarin fish breeding method cannot monitor the change of water quality in real time by periodic sampling detection, the present application provides a mandarin fish domestication feed equipment and method.

[0007] In the first aspect, the present application provides a mandarin fish domestication feed equipment, which adopts the following technical scheme:

[0008] A mandarin fish domestication feed equipment, comprising a breeding barrel, a control module, an environmental information acquisition module and a light response module.

[0009] The environment information acquisition module comprises a plurality of water oxygen detectors and water body turbidity monitors arranged in the culture barrel; the control module is pre-set with threshold values of water oxygen concentration and water body turbidity concentration of the culture barrel, and is electrically connected with the environment information acquisition module; the light response module comprises a sensing lamp tube coaxially arranged on the outer peripheral surface of the culture barrel, and is electrically connected with the control module; and the sensing lamp tube displays red, yellow and green light colors.

[0010] By adopting the above technical scheme, if the water oxygen concentration of the culture barrel is less than the pre-set threshold value, the sensing lamp tube displays red light; if the water body turbidity concentration of the culture barrel is greater than or equal to the set threshold value, the sensing lamp tube displays yellow light; if the water body turbidity concentration of the culture barrel is less than the set threshold value and the water oxygen concentration of the culture barrel is greater than or equal to the set threshold value, the sensing lamp tube alternately flashes red and yellow light; and if the water body turbidity concentration of the culture barrel is greater than or equal to the set threshold value and the water oxygen concentration of the culture barrel is less than the set threshold value, the sensing lamp tube displays green light.

[0011] Optionally, the culture barrel is provided with a floating prevention member, the floating prevention member comprises a hemispherical cover horizontally arranged in the culture barrel, a gap is left between the hemispherical cover and the inner peripheral surface of the culture barrel, and the outer spherical surface of the hemispherical cover faces the top of the culture barrel.

[0012] By adopting the above technical scheme, the inner spherical surface of the hemispherical cover avoids the excrement and feed residues of the mandarin fish floating to the middle position of the oxygen-rich water as much as possible, and the excrement and feed residues of the mandarin fish in the circular groove are discharged into the inside of the excretion cabin through the electric valve.

[0013] Optionally, the culture barrel is provided with a cleaning member, the cleaning member comprises a plurality of cleaning brushes arranged on the outer spherical surface of the hemispherical cover, the cleaning brushes are arranged along the radius direction of the hemispherical cover, and the bristles of the cleaning brushes are attached to the hemispherical cover.

[0014] By adopting the above technical scheme, the outer spherical surface of the hemispherical cover is cleaned by the cleaning brushes, and the excrement and feed residues of the mandarin fish swept are dropped to the inner bottom surface of the culture barrel.

[0015] Optionally, the inner bottom surface of the culture barrel is provided with a circular groove, and the size of the cross section of the circular groove is smaller than the size of the cross section of the hemispherical cover.

[0016] By adopting the above technical scheme, the inner spherical surface of the hemispherical cover avoids the excrement and feed residues of the mandarin fish floating to the middle position of the oxygen-rich water as much as possible, and the excrement and feed residues of the mandarin fish in the circular groove are discharged into the inside of the excretion cabin through the electric valve.

[0017] Optionally, the breeding barrel is provided with a power component, the power component comprises a sleeve rotatingly installed on the bottom of the circular groove, a sleeve fixed coaxially on the top end of the sleeve, and a plurality of nozzles arranged on the circumferential surface of the sleeve, wherein the plurality of nozzles are inclined towards the same hour hand direction, and the plurality of cleaning brushes are fixed on the circumferential side of the sleeve.

[0018] By adopting the above technical scheme, the oxygen-rich water in the sleeve is sprayed out through the nozzles, the plurality of counterclockwise inclined nozzles drive the sleeve to rotate, and the sleeve drives the plurality of cleaning brushes and the bidirectional brush to rotate along the same hour hand direction through the sleeve.

[0019] Optionally, the breeding barrel is provided with a cleaning component, the cleaning component comprises a plurality of arc-shaped pipes fixedly installed on the circumferential side of the sleeve, and a bidirectional brush embedded on the circumferential side of the arc-shaped pipe along the direction of the path of the arc-shaped pipe, wherein the plurality of arc-shaped pipes are arranged to be curved towards the same hour hand direction, and the bristles at the bottom end of the bidirectional brush abut against the inner bottom surface of the breeding barrel.

[0020] By adopting the above technical scheme, the cleaning brush can clean the outer spherical surface of the half-spherical cover, the excrement and feed residues of the mandarin fish falling to the inner bottom surface of the breeding barrel are cleaned by the bidirectional brush to the inner side of the circular groove.

[0021] Optionally, the breeding barrel is provided with an oxygen injection component, the oxygen injection component comprises an oxygen tank arranged on the outer side of the breeding barrel and an oxygen injection mesh disc fixed on the inner circumferential surface of the breeding barrel, wherein the oxygen tank is in communication with the oxygen injection mesh disc, and a plurality of air holes are arranged on the surface of the oxygen injection mesh disc.

[0022] By adopting the above technical scheme, when the induction lamp appears red light, the oxygen tank injects oxygen into the oxygen injection mesh disc through the air pipe, the oxygen injection mesh disc sprays oxygen into the breeding barrel through the air holes on the surface thereof until the induction lamp appears green light.

[0023] Optionally, the upper portion of the breeding barrel is provided with a feeding component, the feeding component comprises a feed pipeline arranged above the breeding barrel and a discharge nozzle arranged on the circumferential side of the feed pipeline, wherein the end portion of the discharge nozzle away from the feed pipeline is directed to the top of the corresponding breeding barrel, and the port size of the discharge nozzle close to the feed pipeline is greater than the port size of the discharge nozzle away from the feed pipeline.

[0024] By adopting the above technical scheme, the port size of the discharge nozzle close to the feed pipeline is greater than the port size of the discharge nozzle away from the feed pipeline, so as to avoid the blockage of the feed at the connection position of the discharge nozzle and the feed pipeline.

[0025] In the second aspect, the present application provides a mandarin fish feeding method, which is used for operating the mandarin fish feeding device.

[0026] S1, if the water oxygen concentration of the breeding barrel is less than the set threshold, the induction lamp appears red light; S2, if the water turbidity concentration of the breeding barrel is greater than or equal to the set threshold, the induction lamp appears yellow light; S3, if the water turbidity concentration of the breeding barrel is less than the set threshold, the water oxygen concentration of the breeding barrel is greater than or equal to the set threshold, the induction lamp alternately flashes red and yellow light; S4, if the water turbidity concentration of the breeding barrel is greater than or equal to the set threshold, the water oxygen concentration of the breeding barrel is less than the set threshold, the induction lamp displays green light.

[0027] By adopting the above technical scheme, when the induction lamp appears red light, the oxygen tank body perfuses oxygen to the oxygen injection net disc through the air pipe, the oxygen injection net disc sprays oxygen into the inside of the breeding barrel through the air holes on the surface of the oxygen injection net disc, until the induction lamp appears green light; when the induction lamp appears yellow light, it indicates that the excrement and feed residue of the mandarin fish in the breeding barrel exceeds the standard, the electric valve at the top of the excretion tank is opened, the sewage in the breeding barrel is discharged into the inside of the excretion tank through the electric valve, and then the sewage in the excretion tank is discharged through the electromagnetic valve.

[0028] In summary, the present application has at least one of the following beneficial technical effects:

[0029] 1. If the water oxygen concentration of the breeding barrel is less than the pre-set threshold, the induction lamp appears red light; if the water turbidity concentration of the breeding barrel is greater than or equal to the set threshold, the induction lamp appears yellow light; if the water turbidity concentration of the breeding barrel is less than the set threshold, the water oxygen concentration of the breeding barrel is greater than or equal to the set threshold, the induction lamp alternately flashes red and yellow light; if the water turbidity concentration of the breeding barrel is greater than or equal to the set threshold, the water oxygen concentration of the breeding barrel is less than the set threshold, the induction lamp displays green light;

[0030] 2. The inner spherical surface of the hemispherical cover avoids the excrement and feed residue of the mandarin fish floating to the middle position of the oxygen-enriched water as much as possible, and the excrement and feed residue of the mandarin fish in the circular groove is discharged into the inside of the excretion tank through the electric valve;

[0031] 3. When the induction lamp appears red light, the oxygen tank body perfuses oxygen to the oxygen injection net disc through the air pipe, the oxygen injection net disc sprays oxygen into the inside of the breeding barrel through the air holes on the surface of the oxygen injection net disc, until the induction lamp appears green light. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structure schematic diagram of the mandarin fish domestication feed equipment in the embodiment of the present application.

[0033] Figure 2 is a structure schematic diagram of the internal structure of the breeding barrel in the embodiment of the present application.

[0034] Figure 3 is an exploded schematic view of the internal structure of the culture barrel in the embodiment of the present application.

[0035] Figure 4 is a structural schematic view of the oxygen injection mesh disc in the embodiment of the present application.

[0036] Figure 5 is Figure 1 an enlarged schematic view of part A in FIG. 1.

[0037] Figure 6 is Figure 3 an enlarged schematic view of part B in FIG. 1.

[0038] Reference signs: 11, excretion tank; 12, culture barrel; 13, electromagnetic valve; 14, circular groove; 15, sleeve; 16, arc-shaped tube; 17, bidirectional brush; 18, hemispherical cover; 19, supporting leg; 20, cleaning brush; 21, oxygen injection mesh disc; 22, copper ring; 23, air hole; 24, water-oxygen detector; 25, water turbidity monitor; 26, sleeve; 27, nozzle; 28, induction lamp tube; 29, oxygen enrichment pipeline; 30, oxygen-enriched water pipeline; 31, control valve; 32, feed pipeline; 33, discharge nozzle; 34, dredging conduit; 35, oxygen tank. DETAILED DESCRIPTION

[0039] The following will be described in detail in combination with the accompanying Figures 1-6 The present application is further described in detail.

[0040] With reference to Figures 1-3 A mandarin fish domestication feed device includes an excretion tank 11, which is in the shape of a long strip, and a plurality of culture barrels 12 for domesticating mandarin fish are installed on the top of the excretion tank 11 along the length direction of the excretion tank 11. A plurality of electromagnetic valves 13 are installed on the outer side wall of the excretion tank 11 along the length direction of the excretion tank 11, and a circular groove 14 is formed on the inner bottom surface of the culture barrel 12. An electric valve is installed on the inner top surface of the excretion tank 11. The culture barrel 12 is in communication with the electric valve through the circular groove 14, and the electric valve controls the dredging between the excretion tank 11 and the culture barrel 12.

[0041] With reference to Figure 1 , 3, 4, the inner side of the breeding barrel 12 is provided with a sleeve 15, the sleeve 15 is installed in the inner groove bottom of the circular groove 14 along the vertical direction. The circumferential side of the sleeve 15 is fixed with an arc-shaped tube 16 along the horizontal direction, the cross section of the arc-shaped tube 16 is semicircular, the sleeve 15 is provided with three arc-shaped tubes 16 along the circumferential direction of the axis, and the arc-shaped tube 16 bends towards the counterclockwise direction. The arc-shaped tube 16 is embedded with a bidirectional brush 17 along the direction of its own path, the bristles at both ends of the bidirectional brush 17 respectively exceed the top and bottom of the arc-shaped tube 16, and the bristles at the bottom end of the bidirectional brush 17 abut against the inner bottom surface of the breeding barrel 12. The arc-shaped tube 16 drives the bidirectional brush 17 to rotate counterclockwise, and the bidirectional brush 17 pushes the waste at the bottom of the breeding barrel 12 to the inside of the circular groove 14.

[0042] Referring to Figure 1 , 3 , 4, the upper side of the arc-shaped tube 16 is provided with a hemispherical hemispherical cover 18, the size of the cross section of the hemispherical cover 18 is smaller than that of the inner bottom surface of the breeding barrel 12, so that a gap is left between the hemispherical cover 18 and the inner circumferential surface of the breeding barrel 12, and the circumferential edge of the hemispherical cover 18 is connected with the inner circumferential surface of the breeding barrel 12 through a support leg 19, and the support leg 19 is provided with a plurality of support legs along the circumferential direction of the axis of the hemispherical cover 18. The outer spherical surface of the hemispherical cover 18 faces the top of the breeding barrel 12, and the end of the arc-shaped tube 16 away from the sleeve 15 is attached to the inner circumferential surface of the breeding barrel 12. The sleeve 15 penetrates the hemispherical cover 18 along the vertical direction, and the size of the cross section of the circular groove 14 is smaller than that of the cross section of the hemispherical cover 18.

[0043] Referring to Figure 1 , 3 , 4, the outer spherical surface of the hemispherical cover 18 abuts against a cleaning brush 20, the cleaning brush 20 is provided with three cleaning brushes along the circumferential direction of the axis of the sleeve 15, and the three cleaning brushes 20 are fixed together on the circumferential side of the sleeve 15. The cleaning brush 20 is arranged along the radius direction of the hemispherical cover 18, the cleaning brush 20 is arranged along the outer spherical surface of the hemispherical cover 18, and the bristles at the bottom of the cleaning brush 20 completely fit the outer spherical surface of the hemispherical cover 18. A oxygen injection mesh disc 21 is horizontally arranged above the hemispherical cover 18, the oxygen injection mesh disc 21 is a disc surrounded by a plurality of concentric copper rings 22, and the plurality of copper rings 22 are provided with cavities and are connected with each other. The outer side of the breeding barrel 12 is provided with an oxygen tank body 35, and the oxygen tank body 35 is connected with the oxygen injection mesh disc 21 through a gas pipe.

[0044] Referring to Figure 3 , 5, 6, the circumference of the copper ring 22 is uniformly provided with a plurality of air holes 23, the oxygen injection mesh disc 21 is fixed to the inner circumference of the culture barrel 12, the top of the oxygen injection mesh disc 21 is fixed with water oxygen detector 24 and water body turbidity monitor 25 along the vertical direction, the water oxygen detector 24 and the water body turbidity monitor 25 are provided with a plurality of circumferential shafts of the sleeve 15, the top of the sleeve 15 is fixed with the sleeve 26, the circumference of the sleeve 26 is provided with the nozzle 27, the nozzle 27 is provided with a plurality of circumferential shafts of the sleeve 26, a plurality of nozzles 27 are inclined to the counterclockwise direction. The outer circumference of the culture barrel 12 is fixedly installed with the circular ring-shaped induction lamp tube 28, the water oxygen detector 24 and the water body turbidity monitor 25 are electrically connected with the induction lamp tube 28.

[0045] Refer to Figure 1 , 3 , 5, the upper part of the culture barrel 12 is provided with the oxygen enrichment pipeline 29, the oxygen enrichment pipeline 29 is arranged along the length direction of the discharge cabin 11, a plurality of oxygen-enriched water pipes 30 are fixedly installed on the outer circumference of the oxygen enrichment pipeline 29, the plurality of oxygen-enriched water pipes 30 correspond to the plurality of sleeves 15 one by one, the end of the oxygen-enriched water pipe 30 away from the oxygen enrichment pipeline 29 is rotatably installed on the top of the corresponding sleeve 26, and the oxygen-enriched water pipe 30 is communicated with the corresponding sleeve 26. The control valve 31 is installed on the side of the oxygen-enriched water pipe 30, and the oxygen-enriched water pipe 30 is controlled to be dredged by the control valve 31. The upper part of the oxygen enrichment pipeline 29 is provided with the feed pipeline 32, and the feed pipeline 32 is arranged along the length direction of the oxygen enrichment pipeline 29.

[0046] Refer to Figure 1 , 3 , 5, the side of the feed pipeline 32 is fixedly installed with a plurality of discharge nozzles 33, the plurality of discharge nozzles 33 correspond to the plurality of culture barrels 12 one by one, and the end of the discharge nozzle 33 away from the feed pipeline 32 points to the center position of the corresponding culture barrel 12. The port size of the discharge nozzle 33 close to the feed pipeline 32 is larger than that of the discharge nozzle 33 away from the feed pipeline 32, so as to avoid that the feed is blocked at the connection position of the discharge nozzle 33 and the feed pipeline 32. A plurality of dredging conduits 34 are connected between the feed pipeline 32 and the oxygen enrichment pipeline 29, the plurality of dredging conduits 34 correspond to the plurality of discharge nozzles 33 one by one, the end of the dredging conduit 34 is connected to the connection position of the discharge nozzle 33 and the feed pipeline 32, and the dredging conduit 34 is inclined to the end of the discharge nozzle 33 away from the feed pipeline 32.

[0047] A method for domesticating feed of mandarin fish, for operating the above-mentioned domesticating feed equipment of mandarin fish, comprising the following steps:

[0048] S1, the inside of the culture barrel 12 is filled with oxygen-enriched water for breeding mandarin fish, the feed of mandarin fish is mixed with water and injected into the discharge nozzle 33 through the feed pipeline 32, and the discharge nozzle 33 injects the feed of mandarin fish into the culture barrel 12 at regular time.

[0049] S2, a method for feeding mandarin fish, based on a monitoring system for monitoring the water oxygen concentration and water turbidity concentration inside the breeding barrel 12, comprising: an environmental information acquisition module, a control module, a light response module;

[0050] The environmental information acquisition module is used for monitoring and acquiring the water oxygen concentration and water turbidity inside the breeding barrel 12, comprising a water oxygen detector 24 and a water turbidity monitor 25;

[0051] The control module, the control module is pre-set with the threshold value of the water oxygen concentration and the water turbidity concentration of the breeding barrel 12, and is used for processing and analyzing the information fed back by the environmental information acquisition module;

[0052] The control module is in electrical signal connection with the environmental information acquisition module, and the information acquired by the plurality of water oxygen detectors 24 and water turbidity monitors 25 is fed back to the control module;

[0053] The light response module is used for responding to the information fed back by the control module;

[0054] The light response module is in electrical signal connection with the control module, comprising an induction lamp tube 28, and the induction lamp tube 28 shows red, yellow and green light colors;

[0055] The method for feeding mandarin fish comprises the following steps:

[0056] S21, if the water oxygen concentration of the breeding barrel 12 is less than the set threshold value, the induction lamp tube 28 shows red light;

[0057] S22, if the water turbidity concentration of the breeding barrel 12 is greater than or equal to the set threshold value, the induction lamp tube 28 shows yellow light;

[0058] S23, if the water turbidity concentration of the breeding barrel 12 is less than the set threshold value, and the water oxygen concentration of the breeding barrel 12 is greater than or equal to the set threshold value, the induction lamp tube 28 alternately flashes red and yellow light;

[0059] S24, if the water turbidity concentration of the breeding barrel 12 is greater than or equal to the set threshold value, and the water oxygen concentration of the breeding barrel 12 is less than the set threshold value, the induction lamp tube 28 shows green light.

[0060] S3, when the induction lamp tube 28 shows red light, the oxygen tank 35 pours oxygen through the air pipe towards the oxygen injection net disc 21, the oxygen injection net disc 21 sprays oxygen into the inside of the breeding barrel 12 through the air holes 23 on the surface thereof, until the induction lamp tube 28 shows green light.

[0061] S4, when the induction lamp 28 appears yellow light, indicating that the discharge of the mandarin fish in the culture tank 12 and feed residue is over standard, the top of the discharge tank 11 electric valve is opened, the sewage in the culture tank 12 is discharged into the inside of the discharge tank 11 through the electric valve, and then the sewage in the discharge tank 11 is discharged through the electromagnetic valve 13.

[0062] S5, the control valve 31 controls the opening of the oxygen-rich water pipe 30, the oxygen-rich pipe 29 pours oxygen-rich water towards the sleeve 26, and the oxygen-rich water in the sleeve 26 is sprayed through the nozzles 27. Several counterclockwise inclined nozzles 27 drive the sleeve 26 to rotate.

[0063] S6, the sleeve 26 drives several cleaning brushes 20 and bidirectional brushes 17 to rotate counterclockwise through the sleeve 15, the cleaning brushes 20 clean the outer spherical surface of the half-spherical cover 18, and the cleaned discharge and feed residue of the mandarin fish falls to the inner bottom surface of the culture tank 12, and the bidirectional brushes 17 clean the discharge and feed residue of the mandarin fish to the inner side of the circular groove 14.

[0064] The inner spherical surface of the half-spherical cover 18 avoids the discharge and feed residue of the mandarin fish floating to the middle position of the oxygen-rich water as much as possible, and the discharge and feed residue of the mandarin fish in the circular groove 14 is discharged into the inside of the discharge tank 11 through the electric valve.

[0065] S7, the top of the discharge tank 11 electric valve is closed, the oxygen-rich water in the sleeve 26 is sprayed through the nozzles 27, and the pure oxygen-rich water is poured into the inside of the culture tank 12.

[0066] S8, the oxygen-rich water is poured into the connecting part of the discharge nozzle 33 and the feed pipe 32 through the dredging conduit 34, and the discharge nozzle 33 is washed through the high-pressure oxygen-rich water, so as to avoid the feed from being blocked in the inside of the discharge nozzle 33.

[0067] The above are the preferred embodiments of the present application, not the limitation of the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A device for feeding Mandarinfish, characterized in that, The application relates to an aquaculture barrel (12), a control module, an environment information acquisition module and a light response module. The environment information acquisition module comprises water-oxygen detectors (24) and water body turbidity monitors (25) arranged in the aquaculture barrel (12). The control module is electrically connected with the environment information acquisition module. The light response module comprises an induction lamp tube (28) coaxially arranged on the outer periphery of the aquaculture barrel (12), and the light response module is electrically connected with the control module. The aquaculture barrel (12) is provided with a half-sphere cover (18) horizontally arranged in the aquaculture barrel (12), and a gap is left between the half-sphere cover (18) and the inner periphery of the aquaculture barrel (12). The aquaculture barrel (12) is provided with a cleaning component, which comprises a plurality of cleaning brushes (20) arranged on the outer sphere of the half-sphere cover (18).

2. The device according to claim 1, wherein: The inner bottom surface of the aquaculture barrel (12) is provided with a circular groove (14), and the size of the cross section of the circular groove (14) is smaller than that of the half-sphere cover (18).

3. The device according to claim 2, wherein the device is characterized in that: The aquaculture barrel (12) is provided with a power component, which comprises a sleeve (15) rotatably arranged on the groove bottom of the circular groove (14), a sleeve (26) coaxially fixed on the top end of the sleeve (15), and a plurality of nozzles (27) arranged on the circumferential surface of the sleeve (26).

4. The device according to claim 3, wherein the device is characterized in that: The aquaculture barrel (12) is provided with a cleaning component, which comprises a plurality of cleaning brushes (20) arranged on the outer sphere of the half-sphere cover (18).

5. The device according to claim 1, wherein the device is characterized in that: The aquaculture barrel (12) is provided with an oxygen injection component, which comprises an oxygen tank (35) arranged on the outer side of the aquaculture barrel (12) and an oxygen injection mesh disc (21) fixed on the inner periphery of the aquaculture barrel (12). The oxygen tank (35) is in communication with the oxygen injection mesh disc (21), and the surface of the oxygen injection mesh disc (21) is uniformly provided with a plurality of air holes (23).

6. The device according to claim 1, wherein the device is a feed device for Mylopharyngodon piceus. The upper part of the culture barrel (12) is provided with a domestication component, which comprises a feed pipeline (32) arranged above the culture barrel (12), and a discharge nozzle (33) arranged on the side of the feed pipeline (32); the end of the discharge nozzle (33) away from the feed pipeline (32) points to the top of the corresponding culture barrel (12), and the port size of the discharge nozzle (33) close to the feed pipeline (32) is greater than the port size of the discharge nozzle (33) away from the feed pipeline (32).

7. A method for operating a domesticated feed device for mandarin fish as claimed in any one of claims 1-6, characterized in that, The method comprises the following steps: S1, if the water oxygen concentration of the culture barrel (12) is less than the set threshold value, the sensing lamp tube (28) shows red light; S2, if the water turbidity concentration of the culture barrel (12) is greater than or equal to the set threshold value, the sensing lamp tube (28) shows yellow light; S3, if the water turbidity concentration of the culture barrel (12) is less than the set threshold value, and the water oxygen concentration of the culture barrel (12) is greater than or equal to the set threshold value, the sensing lamp tube (28) alternately flashes red and yellow light; S4, if the water turbidity concentration of the culture barrel (12) is greater than or equal to the set threshold value, and the water oxygen concentration of the culture barrel (12) is less than the set threshold value, the sensing lamp tube (28) shows green light.

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