Spiral sedimentary runway type breeding system and breeding method

Abstract

The application discloses a spiral sinking runway type breeding system and a breeding method, and belongs to the technical field of aquaculture. The spiral sinking runway type breeding system comprises a breeding water tank in the shape of a spiral runway, wherein the breeding water tank comprises a water tank bottom surface and a water tank side wall fixed to the water tank bottom surface; the water tank bottom surface is in the shape of a gradually sinking spiral slope surface; the top end of the water tank side wall is in the shape of a planar spiral structure; the outermost end of the breeding water tank is provided with a water inlet; and the innermost end of the breeding water tank is provided with a water outlet. The application has the advantages of concentrated water pushing and oxygen increasing, high breeding density, good sewage collection effect, high production energy efficiency, low equipment cost, high pond area utilization rate and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aquaculture technology, and particularly relates to a spiral sedimentation runway type aquaculture system and an aquaculture method. BACKGROUND

[0002] The aquaculture system in the pond is a water tank structure, and the aquaculture area is a water tank structure. Because the aquaculture water tank is similar to a runway, the system is commonly known as a "runway fish culture". In addition, water pushing and oxygen increasing devices, sewage collecting devices and aquaculture tail water treatment devices are added to the aquaculture water tank.

[0003] The aquaculture water tank in the prior art is usually a straight runway structure. Feed residues and fish feces and other aquaculture waste are mainly carried to the sewage tank by water flow. The defects are that the water pushing and oxygen increasing device needs to be operated at a high power, and the aquaculture waste deposited at the bottom of the straight runway is difficult to be carried by the water flow. In addition, the utilization rate of the pond area is not high for the straight runway structure. If the pond area is to be fully utilized, multiple fish culture runways need to be installed side by side, and the number of water pushing and oxygen increasing devices, sewage collecting devices and other equipment also needs to be increased, which is high in equipment cost. SUMMARY

[0004] In order to overcome the defects of the prior art, the purpose of the present application is to provide a spiral sedimentation runway type aquaculture system and an aquaculture method, which has the advantages of centralized water pushing and oxygen increasing, high aquaculture density, good sewage collecting effect, high production efficiency, low equipment cost and high utilization rate of pond area.

[0005] The spiral sedimentation runway type aquaculture system of the present application adopts the following technical scheme:

[0006] A spiral sedimentation runway type aquaculture system, comprising a spiral runway type aquaculture water tank, the aquaculture water tank comprising a water tank bottom surface and a water tank side wall fixed to the water tank bottom surface, the water tank bottom surface being a gradually descending spiral slope structure, the top end of the water tank side wall being a planar spiral structure, the outermost end of the aquaculture water tank being provided with a water inlet, and the innermost end of the aquaculture water tank being provided with a water outlet.

[0007] Further, the spiral sedimentation runway type aquaculture system further comprises a bottom tank fixed to the bottom of the pond, and the aquaculture water tank is fixed to the bottom tank, and the water outlet of the aquaculture water tank is communicated with the bottom tank.

[0008] Further, the spiral sedimentation runway type aquaculture system further comprises a sewage discharge pipeline, one end of the sewage discharge pipeline being communicated with the bottom tank, and the sewage discharge pipeline being provided with a sewage discharge pump.

[0009] Further, the spiral sedimentation runway type aquaculture system further comprises a tail water treatment device, and the other end of the sewage discharge pipeline is communicated with the tail water treatment device. Further, the spiral sedimentation runway type aquaculture system further comprises a tail water treatment device, and the other end of the sewage discharge pipeline is communicated with the tail water treatment device.

[0010] Further, the tail water treatment tank comprises one or more of a sedimentation tank, a microfilter, an oxidation aeration tank and a biological treatment tank.

[0011] Further, the spiral sedimentation raceway breeding system further comprises a fish suction pump and a fish suction pipe, one end of the fish suction pipe being communicated with the bottom tank and the other end being communicated with the fish suction pump.

[0012] Further, the spiral sedimentation raceway breeding system further comprises a water pushing and oxygen increasing device, the water pushing and oxygen increasing device being connected with the water inlet, and a separation net being arranged at the water inlet.

[0013] Further, the breeding tank is divided into a plurality of breeding areas from outside to inside, adjacent breeding areas being separated by the separation net, and the separation net and the breeding tank being detachably connected.

[0014] The breeding method of the present application adopts the following technical scheme:

[0015] A breeding method applied to the spiral sedimentation raceway breeding system as described above, the breeding method comprising the following steps:

[0016] The fish-eating fish is bred in each breeding area of the breeding tank, and the fish age of the fish bred in each breeding area is arranged from small to large in order from outside to inside;

[0017] The filter-feeding fish and / or aquatic plants are bred in the pond area outside the breeding tank;

[0018] The water pushing and oxygen increasing device is started, so that the water flow in the breeding tank is in the form of a vortex flowing from outside to inside;

[0019] The sewage pump is started, the breeding tail water collected with the breeding waste in the bottom tank is discharged to the tail water treatment device, and after being purified by the tail water treatment device, is discharged to the pond area outside the breeding tank, so as to form a pond water circulation;

[0020] When the fish in the breeding tank needs to be caught, the fish suction pump is started, the fish bred in the innermost breeding area is sucked out, after the fish suction operation is completed, for each of the remaining breeding areas, the fish is sequentially migrated to the next breeding area, and the outermost breeding area is bred with young fish.

[0021] Further, in the spiral sedimentation raceway breeding system, the number of breeding areas of the breeding tank is three, corresponding to a young fish breeding area, a growth breeding area and a mature breeding area from outside to inside.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] The spiral sinking runway type aquaculture system and the aquaculture method applied to the spiral sinking runway type aquaculture system have the advantages of centralized water pushing and oxygen increasing, high aquaculture density, good sewage collection effect, high production efficiency, low equipment cost, and high pond area utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a simplified schematic diagram of the spiral sinking runway type aquaculture system of the embodiment of the present application.

[0025] Figure 2 It is a structural schematic diagram of the aquaculture tank of the spiral sinking runway type aquaculture system of the embodiment of the present application.

[0026] Figure 3 It is Figure 2 It is a sectional view of the aquaculture tank shown.

[0027] In the figure: 1, aquaculture tank; 11, tank bottom surface; 12, tank side wall; 13, water inlet; 14, water outlet; 15, isolation net; 16, aquaculture area; 2, bottom tank; 3, sewage discharge pipe; 31, sewage discharge pump; 4, tail water treatment device; 5, fish suction pipe; 51, fish suction pump; 6, water pushing and oxygen increasing device. DETAILED DESCRIPTION

[0028] In the following, the present application is further described in combination with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0029] With reference to Figure 1 , Figure 2 and Figure 3 , the embodiment of the present application provides a spiral sinking runway type aquaculture system and an aquaculture method applied to the spiral sinking runway type aquaculture system.

[0030] The spiral sinking runway type aquaculture system of the embodiment of the present application comprises an aquaculture tank 1 in a spiral runway shape, the aquaculture tank comprises a tank bottom surface 11 and a tank side wall 12 fixed with the tank bottom surface 11, the tank bottom surface 11 is in a gradually sinking spiral slope surface structure, the top end of the tank side wall 12 is in a planar spiral structure, the outermost end of the aquaculture tank 1 is provided with a water inlet 13, and the innermost end of the aquaculture tank 1 is provided with a water outlet 14.

[0031] In the spiral sinking runway type aquaculture system of the embodiment of the present application, a bottom tank 2 fixed to the bottom of a pond is further included, the aquaculture tank 1 is fixed on the bottom tank 2, and the water outlet of the aquaculture tank 1 is communicated with the bottom tank 2; wherein the bottom tank 2 can be made by cement pouring.

[0032] In the spiral sedimentation runway type breeding system, a sewage pipeline 3 and a tail water treatment device 4 are further included, one end of the sewage pipeline 3 is communicated with the bottom groove 2, and the sewage pipeline 3 is provided with a sewage pump 31, the other end of the sewage pipeline 3 is communicated with the tail water treatment device 4; wherein the tail water treatment device 4 includes one or more of a sedimentation tank, a micro filter, an oxidation aeration tank and a biological treatment tank.

[0033] In the spiral sedimentation runway type breeding system, a fish suction pump 51 and a fish suction pipe 5 are further included, one end of the fish suction pipe 5 is communicated with the bottom groove 2, and the other end of the fish suction pipe 5 is communicated with the fish suction pump 51.

[0034] In the spiral sedimentation runway type breeding system, a water pushing and oxygen increasing device 6 is further included, the water pushing and oxygen increasing device 6 is connected with the water inlet 13, and the isolation net 15 is arranged at the water inlet 13.

[0035] In the spiral sedimentation runway type breeding system, the breeding water tank 1 is divided into a plurality of breeding areas 16 from outside to inside, adjacent breeding areas 16 are separated by the isolation net 15, and the isolation net 15 is detachably connected with the breeding water tank 1; wherein each breeding area can be provided with an underwater camera or a water quality sensor for monitoring the breeding condition and the water quality condition.

[0036] The breeding method provided by the embodiment of the present application is applied to the spiral sedimentation runway type breeding system as described above, and the breeding method includes the following steps.

[0037] Step 1: eating fish are bred in each breeding area 16 of the breeding water tank 1, and the fish age of the fish bred in each breeding area 16 is arranged from small to large in order from outside to inside; for example, in the spiral sedimentation runway type breeding system, the number of breeding areas 16 of the breeding water tank 1 can be designed as three, which correspond to a juvenile fish breeding area, a growth breeding area and a mature breeding area from outside to inside, respectively, for breeding juvenile fish, growth period fish and mature period fish;

[0038] Step 2: filter-feeding fish and / or aquatic plants are bred in the pond area outside the breeding water tank 1;

[0039] Step 3: the water pushing and oxygen increasing device 6 is started, so that the water flow in the breeding water tank 1 is in the form of a vortex flowing from outside to inside; in this way, the breeding waste such as feed residues and fish feces can be driven to the bottom groove 2 by the water flow, and since the water tank bottom surface 11 is a gradually descending spiral slope structure, the breeding waste deposited on the water tank bottom surface 11 is also easily collected in the bottom groove 2 under the action of the water flow and gravity;

[0040] Step 4: The sewage pump 31 is started to discharge the aquaculture tail water containing the breeding waste in the bottom tank 2 to the tail water treatment device 4, and then discharge to the pond area outside the aquaculture tank 1 after purification by the tail water treatment device 4, forming a pond water circulation; wherein most of the non-water-soluble breeding waste is removed by sedimentation and filtration in the tail water treatment device, and the remaining water-soluble breeding waste is discharged with the tail water to the pond area outside the aquaculture tank, and is absorbed and treated by filter-feeding fish and aquatic plants; in addition, the non-soluble breeding waste can be removed from the tail water treatment device and used as waste;

[0041] Step 5: When it is necessary to catch the fish in the aquaculture tank 1, the fish suction pump 51 is started to suck the fish in the innermost breeding area (i.e. the mature fish breeding area), and after the fish suction operation is completed, the fish in the remaining breeding areas are sequentially migrated to the next breeding area, and the juvenile fish can be newly bred in the empty outermost breeding area (i.e. the juvenile fish breeding area); in this way, the fish catching frequency can be increased, and the idle period can be reduced.

[0042] The embodiment of the present application has the following advantages:

[0043] The spiral sedimentation runway type aquaculture tank has the advantages of concentrated water pushing and oxygenation, high breeding density, good pollution collection effect, high production efficiency, low equipment cost, high pond area utilization rate, etc.

[0044] The entire breeding system forms a pond water circulation and recycling of breeding waste, which is green and environmentally friendly.

[0045] The fish are bred according to the age, so that the fish caught and sold are mature fish, avoiding mixing with juvenile or growing fish, increasing the breeding income, increasing the fish catching frequency, and reducing the idle period.

[0046] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, and any non-substantial changes and substitutions made by those skilled in the art on the basis of the present application are within the scope of protection of the present application.

Claims

1. A spiral sedimentation racetrack aquaculture system, characterized in that, The aquaculture tank includes a spiral racetrack-shaped aquaculture tank, which includes a bottom surface and side walls fixed to the bottom surface. The bottom surface of the aquaculture tank has a gradually descending spiral slope structure, and the top of the side walls has a planar spiral structure. The outermost end of the aquaculture tank is provided with a water inlet, and the innermost end of the aquaculture tank is provided with a water outlet. The spiral settling raceway aquaculture system also includes a bottom trough fixed to the bottom of the pond, the aquaculture tank is fixed on the bottom trough, and the outlet of the aquaculture tank is connected to the bottom trough. The spiral sedimentation raceway aquaculture system also includes a sewage pipe, one end of which is connected to the bottom trough, and the sewage pipe is equipped with a sewage pump. The spiral sedimentation raceway aquaculture system also includes a fish suction pump and a fish suction pipe, one end of which is connected to the bottom trough and the other end is connected to the fish suction pump; The spiral sedimentation raceway aquaculture system also includes a water-pushing and oxygenating device, which is connected to the water inlet and is equipped with an isolation net.

2. The spiral sedimentation raceway aquaculture system as described in claim 1, characterized in that, The spiral sedimentation raceway aquaculture system also includes a tailwater treatment device, and the other end of the sewage pipe is connected to the tailwater treatment device.

3. The spiral sedimentation raceway aquaculture system as described in claim 2, characterized in that, The wastewater treatment device includes one or more of the following: sedimentation tank, microfiltration unit, oxidation aeration tank, and biological treatment tank.

4. The spiral sedimentation raceway aquaculture system as described in claim 3, characterized in that, The aquaculture tank is divided into several aquaculture zones from the outside to the inside. Adjacent aquaculture zones are separated by a net, and the net is detachably connected to the aquaculture tank.

5. A breeding method, characterized in that, Applied to the spiral sedimentation raceway aquaculture system as described in claim 4, the aquaculture method includes the following steps: Carnivorous fish are raised in various breeding zones of the breeding tank, and the fish in each breeding zone are arranged from youngest to oldest, from the outside to the inside. Filter-feeding fish and / or aquatic plants are raised in pond areas outside of aquaculture tanks; When the water-pushing and oxygenating device is activated, the water in the aquaculture tank flows in a vortex shape from the outside to the inside. The sewage pump starts and discharges the aquaculture wastewater collected in the bottom tank to the wastewater treatment device. After being purified by the wastewater treatment device, it is discharged into the pond area outside the aquaculture tank, forming a pond water cycle. When it is necessary to harvest fish from the aquaculture tank, the fish suction pump is activated to suck out the fish raised in the innermost aquaculture area. After the fish suction operation is completed, for each of the remaining aquaculture areas, the fish raised are moved inward to the next aquaculture area in turn, and the vacated outermost aquaculture area is used to raise juvenile fish again.

6. The aquaculture method as described in claim 5, characterized in that, In the spiral settling raceway aquaculture system, the aquaculture tank has three aquaculture zones, which correspond to the juvenile fish aquaculture zone, the growth aquaculture zone, and the mature fish aquaculture zone from the outside to the inside.

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