A swimming crab egg-carrying bed

Abstract

The present invention discloses a swimming crab egg-carrying bed, which relates to the technical field of crab farming. It includes not less than two breeding pool bodies. A limiting column is vertically arranged at the center of the breeding pool body. A sliding sleeve that can slide relative to the limiting column is sleeved on the limiting column. The sliding sleeve is connected to a floating rod, and an auxiliary sewage discharge component is connected to the end of the floating rod. An aeration component is arranged around the inner wall of the breeding pool body, and the aeration component and the auxiliary sewage discharge component are arranged with staggered horizontal heights. The purpose of the present invention is to provide a swimming crab egg-carrying bed with uniform oxygen content and good dirt filtering effect.

Description

Technical Field

[0001] The present invention belongs to the technical field of crab farming, and particularly relates to a broodstock bed for swimming crabs. Background Art

[0002] The swimming crab belongs to the class Malacostraca, order Decapoda, suborder Reptantia, section Brachyura, and genus Portunus, and is an important economic crab along the coast of China, with the characteristics of high nutritional value, strong disease resistance, and fast growth. With the decline of offshore fishery resources and the adjustment of the fishery structure, it has gradually become one of the main varieties in seawater pond farming.

[0003] The prior art is a utility model patent named "Structure of Crab Cultivation Tank", and its publication number is TW530537U. This utility model provides an automated crab cultivation device, in which the cultivation tank is formed by connecting a plurality of pivot rings with a horizontal axis to form an axis ring string as a seat. In each pivot ring of the axis ring string, a trough body is pivotally connected with a vertical axis, and the horizontal axes at both ends of the plurality of strings of axis ring strings are horizontally pivotally connected to a frame, so that each trough body in the frame can be rotated horizontally or vertically to an upright position, achieving the effect that each trough body in the frame can be kept in a horizontal state. However, this utility model cannot realize the recycling of water body. Summary of the Invention

[0004] The purpose of the present invention is to provide a broodstock bed for swimming crabs with uniform oxygen content and good dirt filtration effect.

[0005] The technical solution adopted by the present invention to achieve the above purpose is as follows:

[0006] A broodstock bed for swimming crabs includes at least two cultivation tank bodies. A limiting column is vertically arranged at the center of the cultivation tank body. A sliding sleeve that can slide relative to the limiting column is sleeved on the limiting column. A sliding rod is connected to a floating rod, and an auxiliary sewage discharge component is connected to the end of the floating rod;

[0007] An aeration component is arranged around the inner wall of the cultivation tank body, and the aeration component and the auxiliary sewage discharge component are arranged at staggered horizontal heights.

[0008] Through the overall design of a swimming crab egg-carrying bed, by setting no less than two breeding pond bodies, it is possible to breed organisms of different sizes, improving the applicability of the overall device; it can also be used as a replacement pond during water change, preventing organisms with different growth periods from being placed together during the water body replacement process, which may lead to struggles or changes in the growth environment resulting in the death of organisms or developmental problems. Through the limiting posts and the correspondingly arranged sliding sleeves, the auxiliary sewage discharge component connected to the floating rod can move around the limiting posts on the water surface of the pond body, and the auxiliary sewage discharge component is in a semi-suspended state, enabling the collection of dirt on the water surface of the breeding pond body. The auxiliary sewage discharge component can collect the dirt on the water surface of the breeding pond body to reduce the probability of diseases, and at the same time avoid the presence of dirt on the water surface of the pond body affecting the penetration of light into the water body, thereby affecting the light intensity at the bottom of the pond. An aeration component is arranged around the inner wall of the breeding pond body to increase the oxygen content in the water body of the breeding pond body. The auxiliary sewage discharge component and the aeration component are arranged at different heights to prevent interference between the two. During the process of the auxiliary sewage discharge component rotating around the limiting posts, it can drive the disturbance of the water body in the breeding pond, and the aeration component can achieve aeration in a larger range, making the oxygen content in the water body of the breeding pond tend to be balanced, preventing the situation of high oxygen content in local areas, and reducing the oxygenation energy consumption and resources of the aeration component.

[0009] According to an embodiment of the present invention, the auxiliary sewage discharge component includes a floating body base, the floating body base is provided with a filter port, a first filter plate is correspondingly arranged in the filter port, a sewage collection chamber is correspondingly arranged below the filter port, a diversion pipe is vertically connected to the bottom side of the sewage collection chamber, and a second filter plate is arranged in the diversion pipe.

[0010] Through the above design, the auxiliary sewage discharge component can be semi-suspended on the water surface by the floating body base, so as to achieve the effect of collecting dirt. Since the auxiliary sewage discharge component can move around the limit post, in the case of no power or during the operation of the aeration component, the pool water circulates, which can drive the auxiliary sewage discharge component to move around the limit post. During the movement of the auxiliary sewage discharge component, the diversion pipe vertically connected to the bottom side of the sewage collection chamber will guide the water body to flow downward, and then can guide the water body entering from the upper layer of the floating body base to enter the sewage collection chamber through the filter port. During the flow of the water body, the first filter plate located at the filter port and the second filter plate located in the diversion pipe can filter the flowing water body, so as to collect the dirt on the water surface of the aquaculture pond body, realizing the separation of dirt and pond water. During the operation of the aeration component, the bubbles formed by aeration will drive some impurities to move upward, realizing the transfer of dirt from the bottom water body to the top water body. Then, through the filtration of the auxiliary sewage discharge component, the dirt on the top layer can be treated, and thus the overall filtration of the water body in the aquaculture pond body is realized, thereby reducing or minimizing the influence of light in the pond water layer; the auxiliary sewage discharge component can guide the surface water body to flow downward, that is, promote the mixing of the upper and lower water bodies in the pond, avoid the temperature difference between the upper and lower water bodies, and further realize that the gas moves downward again during the upward movement process during the aeration process of the aeration component, which can increase the duration of the gas in the aquaculture pond water body, further realize the dissolution of oxygen in the gas into the water body, reduce the energy consumption of oxygenation and waste of resources, and at the same time make the oxygen content in the aquaculture pond water body tend to be balanced, preventing the situation of high oxygen content in local areas.

[0011] Through the design of the auxiliary sewage discharge component, the first filter plate and the second filter plate can be disassembled, and the filter plates can be cleaned or repaired, improving the filtration efficiency and also increasing the filtration time. At the same time, by replacing different first filter plates and second filter plates, it is possible to achieve different stages of organisms or different organisms, improving the versatility.

[0012] Furthermore, the mesh of the second filter plate is smaller than that of the first filter plate. Through the above design, dirt of different sizes can be blocked outside different filter plates, which can improve the filtration effect and efficiency of different filter plates to ensure the efficiency of the water body passing through the auxiliary sewage discharge component, increase the amount of filtered water per unit time, and at the same time can extend the service life of different filter plates.

[0013] According to an embodiment of the present invention, a filter drum is correspondingly provided above the filter port. The axis of the filter drum is parallel to the first filter plate. A plurality of rolling members are provided on the side of the filter drum close to the floating body base. The plurality of rolling members are used to enable the filter drum to rotate around a fixed axis. A plurality of rolling frames are provided on the floating body base. The rolling frames are correspondingly arranged with the rolling members, and the rolling frames are used to fix the rolling members;

[0014] A first motor is provided on one side of any rolling member, and the rolling member is in driving connection with the first motor.

[0015] Through the above design, with the design of multiple rolling members, the filter drum can be rotated around a fixed axis. At the same time, a first motor is rotatably connected to one side of one of the rolling members. Thus, the first motor can drive the filter drum to rotate. During the rotation of the filter drum, water can be driven into and out of the floating body matrix, improving the filtration efficiency. At the same time, during the rolling of the filter drum, larger contaminants on the water surface can be filtered. During the rotation process, the contaminants can adhere to the inside of the filter drum or fall into the floating body matrix, preventing larger contaminants from blocking the first filter plate and affecting the filtration efficiency of the first filter plate. At the same time, during the rotation of the filter drum, when driving the water to move, the auxiliary sewage discharge assembly can be driven to move, realizing the disturbance of the water body inside the pool under the movement of the floating rod, improving the circulating water flow effect in the pool, and further realizing the balance of the oxygen content and water temperature of the water body in the pool.

[0016] According to an embodiment of the present invention, a plurality of vanes are provided on the outer side wall of the filter drum along the axial direction.

[0017] Through the above design, through a plurality of vanes, during the rotation of the filter drum, the vanes can act on the water body, further improving the effect of the filter drum on the water body, increasing the moving speed of the auxiliary sewage discharge assembly, enhancing the agitation degree of the floating rod on the water body, and also improving the effect and speed of the water body moving downward in the diversion pipe, thereby improving the filtration efficiency and further enhancing the balance of the oxygen content and water temperature of the water body in the pool.

[0018] According to an embodiment of the present invention, the middle of the floating rod is penetrated, a first through hole is provided on the floating body matrix, the first through hole is communicated with the floating rod, the floating body matrix is inclined, the first through hole is at the lowest position, and the axial direction of the filter drum is opposite to the first through hole;

[0019] A second through pipe is provided on the floating rod near the sliding sleeve.

[0020] Through the above design, the water body entering the floating body matrix can move in two paths. One is to be carried into the sewage collection chamber through the filter drum direction; the other is to enter the floating rod through the first through hole and be discharged through the second through pipe. When the water body enters the floating body matrix, the inclined setting of the floating body matrix causes the water body to move towards the first hole body. Under the action of gravity, the contaminants in the water body will slide down to the position of the second through pipe of the floating rod and fall to the bottom of the pool to achieve rapid collection of the contaminants and stratify with the pool water.

[0021] Furthermore, the second through pipe is arranged downward. The downward arrangement of the second through pipe is beneficial to the discharge of contaminants under the action of gravity and improves the filtration efficiency.

[0022] According to an embodiment of the present invention, the middle part of the floating rod is penetrated, a first through hole is provided on the floating body base, the first through hole is communicated with the floating rod, the floating body base is inclined, the first through hole is at the lowest position, and the axial direction of the filter drum is opposite to the first through hole;

[0023] A sewage collection tank body is provided on one side of the aquaculture tank body, the sewage collection tank body is connected to the aquaculture tank body through a sewage collection pipeline, and the sewage collection pipeline is communicated with the floating rod.

[0024] Through the above design, the water body entering the floating body base can move in two paths. One is to be carried into the sewage collection chamber in the direction of the filter drum, and the other is to enter the floating rod through the first through hole. The sewage collection tank body is communicated with the floating rod, and the sewage collection tank body can suck or receive the dirt and water body from the floating rod. Further, the sewage collection tank body includes a sewage collection pump and a filtering device. The sewage collection pump can suck the water body and dirt entering the floating rod into the sewage collection tank body, and the filtering device can filter and purify the water body to ensure the cleanliness of the water body. At the same time, the water body after passing through the sewage collection tank body can continue to enter the aquaculture tank body to realize the recycling of the water body.

[0025] According to an embodiment of the present invention, the aeration assembly includes an air inlet pipe, a first air inlet head is provided at one end of the air inlet pipe close to the limiting column, and not less than one second air inlet head is provided on the air inlet pipe close to the limiting column. An arc-shaped plate extends on one side of the first air inlet head close to the second air inlet head.

[0026] Through the above design, aeration can be carried out in the aquaculture tank body through the first air inlet head and the second air inlet head to ensure the oxygen content of the water body in the aquaculture tank body. The first air inlet head and the second air inlet head can realize the pushing of the water body in the aquaculture tank body, and can increase the residence time of the gas in the water body after aeration; in addition, through the setting of the arc-shaped plate, the buffering and guiding effects on the air flow impact force of the second air inlet head can be realized. The buffering is to reduce the air flow impact force, cause stress reaction to crabs and the impact filtration of sediment resulting in too large suspension rate. The guiding is to promote the flow of the inlet fluid along the arc-shaped plate to avoid impacting crabs and make the air flow form an inclined upward flow along the arc-shaped plate, extending the residence time of the gas in the water, contributing to the dissolution effect of the gas in the water and reducing the waste of resources; through the regulation of the inlet air flow by the arc-shaped plate, the distribution of the gas in the pool body after air intake can also be controlled to avoid the gas being too concentrated.

[0027] Furthermore, the first air inlet head and the second air inlet head have a certain angle, which can create a water vortex in the aquaculture pond body. As a result, without power from the auxiliary sewage discharge component, the water on the water surface can be moved and cleaned. Forming a vortex can further increase the residence time of gas in the water. While improving the balance of dissolved oxygen in the water, the water in the aquaculture pond body can be in a flowing state, which can increase the activity of organisms in the pond and reduce the probability of illness for organisms without the use of medicine.

[0028] According to an embodiment of the present invention, the arc-shaped plate is rotatably connected to the first air inlet head, and there is at least one spring between the arc-shaped plate and the air inlet pipe.

[0029] Through the above design, the spring can absorb the impact force brought by the gas through the arc-shaped plate under the impact of the gas from the second air inlet head and swing back and forth under the action of the spring. At the same time, it can periodically guide the direction and angle of the gas, further expand the aeration range of the gas and control the distribution of the gas. At the same time, during the swinging process of the arc-shaped plate, it can guide the flow of water, increase the turbulence degree of the water around the arc-shaped plate, increase the residence time of the aeration gas in the water, contribute to the mixing of the gas and the water, and further improve the temperature balance between the upper and lower layers of the water in the pond.

[0030] According to an embodiment of the present invention, aeration heads are provided at the ends of both the first air inlet head and the second air inlet head. The aeration head includes a rotating base body, and there are a plurality of side outlets on the side of the rotating base body, and a top outlet is provided at the top of the rotating base body.

[0031] Through the setting of the aeration head, after the gas enters the aeration head, it can be discharged from the top outlet and a plurality of side outlets. At this time, the gas has multiple paths, and aeration is formed in multiple passages, thereby increasing the contact area between the gas and the water after discharge and ensuring the mixing degree between the gas and the water. Among them, the directions of the plurality of side outlets are at a certain angle. During the aeration process of the plurality of side outlets, the aeration head can rotate, and during the rotation process, the mixing degree of the gas discharged from the plurality of side outlets and the water can be further improved. Description of the Drawings

[0032] Figure 1 Is a three-dimensional schematic diagram of the aquaculture pond body;

[0033] Figure 2 Is a top view schematic diagram of the aquaculture pond body;

[0034] Figure 3 Is a schematic diagram of the connection between the auxiliary sewage discharge component and the floating rod in Embodiment 1;

[0035] Figure 4 Is a three-dimensional schematic diagram of the auxiliary sewage discharge component;

[0036] Figure 5 It is a top view schematic diagram of the auxiliary sewage discharge component;

[0037] Figure 6 It is a sectional view schematic diagram of the auxiliary sewage discharge component;

[0038] Figure 7 It is a front view schematic diagram of the aeration component;

[0039] Figure 8 It is an exploded view schematic diagram of the first air inlet head and the aeration head;

[0040] Figure 9 It is a combined three-dimensional schematic diagram of the aquaculture pond body and the sewage collection pond body in Embodiment 3;

[0041] Figure 10 It is a combined top view schematic diagram of the aquaculture pond body and the sewage collection pond body in Embodiment 3.

[0042] Reference numerals in the drawings: aquaculture pond body 1, limit post 11, sliding sleeve 12, floating rod 13, second through pipe 131, auxiliary sewage discharge component 2, floating body base 21, first filter plate 211, sewage collection chamber 212, diversion pipe 213, second filter plate 214, first through hole 215, filter drum 22, rolling member 221, rolling frame 222, first motor 223, blade 23, aeration component 3, air inlet pipe 31, first air inlet head 311, second air inlet head 312, arc plate 313, spring 314, aeration head 32, rotating base 321, side outlet 322, top outlet 323, sewage collection pond body 4, sewage collection pipe 41. Detailed implementation manners

[0043] The technical solutions of the present invention will be further described in detail below in conjunction with the specific implementation manners and the drawings:

[0044] Embodiment 1:

[0045] As Figure 1 、 2 、3, 4, 5, 6 show, a swimming crab egg-carrying bed includes not less than two aquaculture pond bodies 1. A limit post 11 is vertically arranged at the center of the aquaculture pond body 1. A sliding sleeve 12 that can slide relative to the limit post 11 is sleeved on the limit post 11. A sliding rod is connected to a floating rod 13, and the end of the floating rod 13 is connected to an auxiliary sewage discharge component 2;

[0046] The inner wall of the aquaculture pond body 1 is surrounded by an aeration component 3, and the aeration component 3 and the auxiliary sewage discharge component 2 are arranged at staggered horizontal heights.

[0047] Through the overall design of a swimming crab spawning bed, by setting no less than two breeding pond bodies 1, it is possible to breed organisms of different sizes, improving the applicability of the overall device; it can also be used as a replacement pond during water change, preventing organisms at different growth stages from being placed together during the water body replacement process, which may lead to struggles or changes in the growth environment resulting in the death or developmental problems of the organisms. In the bottom of the breeding pond, medium sand with a thickness of about 10 cm is laid on an area of 1 / 3 - 1 / 2, and the sand is cleaned and replaced every about 7 - 10 days during the cultivation process. Also, during the cultivation process, the density should not be too high and no drugs should be used. Through the limiting column 11 and the corresponding sliding sleeve 12, the auxiliary sewage discharge component 2 connected to the floating rod 13 can move around the limiting column 11 on the water surface of the pond body. The auxiliary sewage discharge component 2 is in a semi-suspended state, enabling the collection of dirt on the water surface of the breeding pond body 1. Through the auxiliary sewage discharge component 2, the dirt on the water surface of the breeding pond body 1 can be collected to reduce the probability of diseases. At the same time, it can avoid the presence of dirt on the water surface in the pond body affecting the penetration of light into the water body, thereby affecting the light intensity at the bottom of the pond. An aeration component 3 is arranged around the inner wall of the breeding pond body 1 to increase the oxygen content in the water body of the breeding pond body 1. The auxiliary sewage discharge component 2 and the aeration component 3 are arranged at different heights to prevent interference between the two. During the process of the auxiliary sewage discharge component 2 rotating around the limiting column 11, it can drive the disturbance of the water body in the breeding pond. At the same time, during the movement of the water body, it can form a flow velocity stimulus to the animals; the aeration component 3 can achieve aeration over a larger range, making the oxygen content in the water body of the breeding pond tend to be balanced, preventing the situation of high oxygen content in local areas, and reducing the oxygenation energy consumption and resources of the aeration component 3.

[0048] The auxiliary sewage discharge component 2 includes a floating body base 21. The floating body base 21 is provided with a filter port. A first filter plate 211 is correspondingly arranged in the filter port. A sewage collection chamber 212 is correspondingly arranged below the filter port. A diversion pipe 213 is vertically connected to the bottom side of the sewage collection chamber 212. A second filter plate 214 is arranged in the diversion pipe 213.

[0049] Through the above design, the floating body base 21 is used to enable the auxiliary sewage discharge assembly 2 to be semi-suspended on the water surface, so as to achieve the effect of collecting dirt. Since the auxiliary sewage discharge assembly 2 can move around the limit post 11, in the case of no power or during the operation of the aeration assembly 3, the pool water circulates, which can drive the auxiliary sewage discharge assembly 2 to move around the limit post 11. During the movement of the auxiliary sewage discharge assembly 2, the diversion pipe 213 vertically connected to the bottom side of the sewage collection chamber 212 will guide the water body to flow downward, and thus can guide the water body entering from the upper layer of the floating body base 21 to enter the sewage collection chamber 212 through the filter port. During the flow of the water body, the first filter plate 211 located at the filter port and the second filter plate 214 located in the diversion pipe 213 can filter the flowing water body, so as to collect the dirt on the water surface of the aquaculture pond body 1, realizing the separation of dirt and pond water. During the operation of the aeration assembly 3, the bubbles formed by aeration will drive some impurities to move upward, realizing the transfer of dirt from the bottom water body to the top water body. Then, the dirt on the top layer can be treated through the filtration of the auxiliary sewage discharge assembly 2, and thus the overall filtration of the water body in the aquaculture pond body 1 is realized, thereby reducing or minimizing the influence of light in the pond water layer; the auxiliary sewage discharge assembly 2 can guide the surface water body to flow downward, that is, promote the mixing of the upper and lower water bodies in the pond, avoid the temperature difference between the upper and lower water bodies, and thus can realize that the gas moves downward again during the upward movement during the aeration process of the aeration assembly 3, which can increase the duration of the gas in the water body of the aquaculture pond body 1, further realize the dissolution of oxygen in the gas into the water body, reduce the energy consumption of oxygenation and the waste of resources, and at the same time make the oxygen content in the water body of the aquaculture pond tend to be balanced, preventing the situation of high oxygen content in local areas.

[0050] Through the design of the auxiliary sewage discharge assembly 2, the first filter plate 211 and the second filter plate 214 can be disassembled, and the filter plates can be cleaned or repaired, improving the filtration efficiency and also increasing the filtration time. At the same time, by replacing different first filter plates 211 and second filter plates 214, it is possible to target different stages of organisms or different organisms, improving the versatility.

[0051] Furthermore, the mesh of the second filter plate 214 is smaller than that of the first filter plate 211. Through the above design, dirt of different sizes can be blocked outside different filter plates, which can improve the filtration effect and efficiency of different filter plates, ensure the efficiency of the water body passing through the auxiliary sewage discharge assembly 2, increase the amount of filtered water per unit time, and at the same time can extend the service life of different filter plates.

[0052] A filter drum 22 is correspondingly arranged above the filter port. The axis of the filter drum 22 is parallel to the first filter plate 211. A plurality of rolling members 221 are arranged on the side of the filter drum 22 close to the floating body base 21. The plurality of rolling members 221 are used to enable the filter drum 22 to rotate around a fixed axis. A plurality of rolling frames 222 are arranged on the floating body base 21. The rolling frames 222 are correspondingly arranged with the rolling members 221. The rolling frames 222 are used to fix the rolling members 221;

[0053] A first motor 223 is arranged on one side of any one of the rolling members 221. The rolling member 221 is in driving connection with the first motor 223.

[0054] Through the above design, through the design of the plurality of rolling members 221, the filter drum 22 can be rotated around a fixed axis. At the same time, a first motor 223 is rotatably connected to one side of one of the rolling members 221. The motor is arranged above the water surface in the aquaculture tank body 1, so that the first motor 223 can drive the filter drum 22 to rotate. During the rotation of the filter drum 22, water can be driven into and out of the floating body base 21, improving the filtration efficiency; at the same time, during the rolling of the filter drum 22, larger dirt on the water surface can be filtered. At the same time, during the rotation process, the dirt can adhere to the inside of the filter drum 22 or fall into the floating body base 21, preventing larger dirt from blocking the first filter plate 211 and preventing the influence on the filtration efficiency of the first filter plate 211; at the same time, during the rotation of the filter drum 22, when driving the water to move, the auxiliary sewage discharge assembly 2 can be driven, realizing the disturbance of the water body inside the tank under the movement of the floating rod 13, improving the circulating water flow effect in the tank, and further realizing the balance of the oxygen content and water temperature of the water body in the tank.

[0055] A plurality of blade plates 23 are arranged on the outer side wall of the filter drum 22 along the axial direction.

[0056] Through the above design, through the plurality of blade plates 23, during the rotation of the filter drum 22, the blade plates 23 can act on the water body, further improving the effect of the filter drum 22 on the water body, increasing the moving speed of the auxiliary sewage discharge assembly 2, increasing the stirring degree of the floating rod 13 on the water body, and also increasing the effect and speed of the water body moving downward in the diversion pipe 213, thereby improving the filtration efficiency, and further improving the balance of the oxygen content and water temperature of the water body in the tank.

[0057] The middle of the floating rod 13 is penetrated. A first through hole 215 is arranged on the floating body base 21. The first through hole 215 is communicated with the floating rod 13. The floating body base 21 is inclined. The first through hole 215 is at the lowest position. The axial direction of the filter drum 22 is opposite to the first through hole 215;

[0058] A second through pipe 131 is arranged on the floating rod 13 close to the sliding sleeve 12.

[0059] Through the above design, the water entering the floating body base 21 can move through two paths. One is to be carried into the sewage collection chamber 212 in the direction of the filter drum 22; the other is to enter the floating rod 13 through the first through hole 215 and be discharged through the second through pipe 131. When the water enters the floating body base 21, the inclined setting of the floating body base 21 causes the water to move towards the first hole body. Under the action of gravity, the dirt in the water will slide down to the position of the second through pipe 131 of the floating rod 13 and fall to the bottom of the pool to achieve rapid collection of dirt and stratification with the pool water.

[0060] Furthermore, the second through pipe 131 is arranged downward. The downward arrangement of the second through pipe 131 is beneficial to the discharge of dirt under the action of gravity and improves the filtration efficiency.

[0061] The aeration assembly 3 includes an air inlet pipe 31. A first air inlet head 311 is provided at one end of the air inlet pipe 31 near the limiting column 11. There is at least one second air inlet head 312 provided on the air inlet pipe 31 near the limiting column 11. An arc-shaped plate 313 extends from the side of the first air inlet head 311 near the second air inlet head 312.

[0062] Through the above design, aeration can be implemented in the aquaculture pond body 1 through the first air inlet head 311 and the second air inlet head 312 to ensure the oxygen content in the water body of the aquaculture pond body 1. The first air inlet head 311 and the second air inlet head 312 can achieve the displacement of the water body in the aquaculture pond body 1, which can increase the residence time of the gas in the water body after aeration. In addition, through the setting of the arc-shaped plate 313, the buffering and guiding effects on the air flow impact force of the second air inlet head 312 can be realized. Buffering is to reduce the air flow impact force, avoid causing stress reactions to crabs and excessive suspension rate due to the impact filtration of sediment. Guiding is to promote the flow of the inlet fluid along the arc-shaped plate 313 to avoid impacting crabs and make the air flow form an inclined upward flow along the arc-shaped plate 313, extending the residence time of the gas in the water, contributing to the dissolution effect of the gas in the water and reducing waste of resources. Through the regulation of the inlet air flow by the arc-shaped plate 313, the distribution of the gas in the pond body after inlet can also be controlled to avoid the gas being too concentrated.

[0063] Furthermore, the first air inlet head 311 and the second air inlet head 312 have a certain angle, which can form a vortex in the water body of the aquaculture pond body 1. Then, in the case where the auxiliary sewage discharge assembly 2 has no power, it can move and clean the water surface. Forming a vortex can further increase the residence time of the gas in the water body. While improving the balance of the oxygen content in the water body, it can make the water body in the aquaculture pond body 1 in a flowing state, improve the activity degree of organisms in the pond, and reduce the probability of getting sick for organisms without using drugs.

[0064] Embodiment 2:

[0065] Such asFigure 9 , 10 As shown in 10 , a swimming crab egg-carrying bed according to another embodiment of the present invention is different from that of Embodiment 1 in that the middle of the floating rod 13 is penetrated, a first through hole 215 is provided on the floating body base 21, the first through hole 215 communicates with the floating rod 13, the floating body base 21 is inclined, the first through hole 215 is at the lowest position, and the axial direction of the filter drum 22 is opposite to the first through hole 215;

[0066] A sewage collection tank body 4 is provided on one side of the aquaculture tank body 1, the sewage collection tank body 4 is connected to the aquaculture tank body 1 through a sewage collection pipeline 41, and the sewage collection pipeline 41 is communicated with the floating rod 13.

[0067] Through the above design, the water body entering the floating body base 21 can move in two paths. One is to be carried into the sewage collection chamber 212 in the direction of the filter drum 22, and the other is to enter the floating rod 13 through the first through hole 215. The sewage collection tank body 4 is communicated with the floating rod 13, and the sewage collection tank body 4 can suck or receive the sewage and water body from the floating rod 13. Further, the sewage collection tank body 4 includes a sewage collection pump and a filtering device. The sewage collection pump can suck the water body and sewage entering the floating rod 13 into the sewage collection tank body 4, and the filtering device can filter and purify the water body to ensure the cleanliness of the water body. At the same time, the water body after passing through the sewage collection tank body 4 can continue to enter the aquaculture tank body 1 to realize the recycling of the water body.

[0068] Embodiment 3:

[0069] As Figure 7 , 8 shown in 8 , a swimming crab egg-carrying bed according to another embodiment of the present invention is different from that of Embodiment 1 in that the arc-shaped plate 313 is rotatably connected to the first air inlet head 311, and there is at least one spring 314 between the arc-shaped plate 313 and the air inlet pipe 31.

[0070] Through the above design, the spring 314 can realize that under the impact of the gas at the second air inlet head 312, the arc-shaped plate 313 will swing back and forth under the action of the spring 314, which can further absorb the impact force brought by the gas. At the same time, it can periodically guide the direction and angle of the gas, which can further expand the aeration range of the gas and control the distribution of the gas; at the same time, during the swinging process of the arc-shaped plate 313, it can guide the flow of the water flow, which can increase the turbulence degree of the water body around the arc-shaped plate 313, increase the residence time of the aeration gas in the water body, contribute to the mixing of the gas and the water body, and at the same time further improve the temperature balance degree between the upper layer and the lower layer of the water body in the pool.

[0071] Aeration heads 32 are provided at the ends of the first air inlet head 311 and the second air inlet head 312. The aeration head 32 includes a rotating base 321. A plurality of side outlets 322 are provided on the side of the rotating base 321, and a top outlet 323 is provided at the top of the rotating base 321.

[0072] Through the arrangement of the aeration head 32, after the gas enters the aeration head 32, it can be discharged from the top outlet 323 and the plurality of side outlets 322. At this time, the gas has multiple paths, and aeration is formed in the multiple paths, thereby improving the contact area between the discharged gas and the water body and ensuring the mixing degree between the gas and the water body. Among them, the directions of the plurality of side outlets 322 are at a certain angle. During the aeration process of the plurality of side outlets 322, the aeration head 32 can be rotated, and during the rotation process, the mixing degree of the gas discharged from the plurality of side outlets 322 and the water body can be further improved.

[0073] The above-described embodiments have described the technical solutions of the present invention in detail. It should be understood that the above is only a specific embodiment of the present invention and does not limit the present invention. Any modification, supplement, or substitution in a similar manner within the principle scope of the present invention should be included within the protection scope of the present invention.

Claims

1. A swimming crab egg-carrying bed, comprising not less than two breeding pond bodies (1). It is characterized in that A limiting column (11) is vertically arranged at the center of the aquaculture pond body (1). A sliding sleeve (12) that can slide relative to the limiting column (11) is sleeved on the limiting column (11). The sliding sleeve (12) is connected to a floating rod (13), and an auxiliary sewage discharge assembly (2) is connected to the end of the floating rod (13). An aeration assembly (3) is arranged around the inner wall of the aquaculture pond body (1), and the horizontal height position of the aeration assembly (3) is arranged staggeredly with the horizontal height position of the auxiliary sewage discharge assembly (2). The auxiliary sewage discharge assembly (2) includes a floating body base (21). The floating body base (21) is provided with a filter opening. A first filter plate (211) is correspondingly arranged in the filter opening. A sewage collection chamber (212) is correspondingly arranged below the filter opening. A diversion pipe (213) is vertically communicated with the bottom side of the sewage collection chamber (212), and a second filter plate (214) is arranged in the diversion pipe (213). A filter drum (22) is correspondingly arranged above the filter opening. The axis of the filter drum (22) is parallel to the first filter plate (211). A plurality of rolling members (221) are arranged on the side of the filter drum (22) close to the floating body base (21). The plurality of rolling members (221) are used to realize the rotation of the filter drum (22) around a fixed axis. A plurality of rolling frames (222) are arranged on the floating body base (21), and the rolling frames (222) are arranged corresponding to the rolling members (221). The rolling frames (222) are used to fix the rolling members (221). A first motor (223) is arranged on one side of any one of the rolling members (221), and the rolling member (221) is in transmission connection with the first motor (223).

2. The swimming crab egg-carrying bed according to claim 1, characterized in that A plurality of blade plates (23) are arranged on the outer side wall of the filter drum (22) along the axial direction.

3. The swimming crab egg-carrying bed according to claim 1 or 2, characterized in that The middle part of the floating rod (13) is penetrated. A first through hole (215) is arranged on the floating body base (21). The first through hole (215) is communicated with the floating rod (13). The floating body base (21) is obliquely arranged, and the first through hole (215) is at the lowest position. The axial direction of the filter drum (22) is opposite to the first through hole (215). A second through pipe (131) is arranged on the side of the floating rod (13) close to the sliding sleeve (12).

4. The swimming crab egg-carrying bed according to claim 1 or 2, characterized in that The middle part of the floating rod (13) is penetrated. A first through hole (215) is arranged on the floating body base (21). The first through hole (215) is communicated with the floating rod (13). The floating body base (21) is obliquely arranged, and the first through hole (215) is at the lowest position. The axial direction of the filter drum (22) is opposite to the first through hole (215). A sewage collection pond body (4) is arranged on one side of the aquaculture pond body (1). The sewage collection pond body (4) is connected to the aquaculture pond body (1) through a sewage collection pipe (41), and the sewage collection pipe (41) is communicated with the floating rod (13).

5. The swimming crab egg-carrying bed according to claim 1, characterized in that The aeration component (3) includes an air inlet pipe (31). One side of the end of the air inlet pipe (31) close to the limit post (11) is provided with a first air inlet head (311). There is at least one second air inlet head (312) on one side of the air inlet pipe (31) close to the limit post (11). An arc-shaped plate (313) extends on one side of the first air inlet head (311) close to the second air inlet head (312).

6. The swimming crab egg-carrying bed according to claim 5, characterized in that The arc-shaped plate (313) is rotatably connected to the first air inlet head (311). There is at least one spring (314) between the arc-shaped plate (313) and the air inlet pipe (31).

7. The swimming crab egg-carrying bed according to claim 5, characterized in that Aeration heads (32) are provided at the ends of the first air inlet head (311) and the second air inlet head (312). The aeration head (32) includes a rotating base body (321). A plurality of side outlets (322) are provided on the side of the rotating base body (321), and a top outlet (323) is provided at the top of the rotating base body (321).

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