CN115428765A - Modular aquaculture device - Google Patents

Abstract

The invention discloses a modularized aquaculture device, which comprises a fish culture tank arranged in water, wherein a plurality of floating pieces are arranged on the fish culture tank, the fish culture tank is connected with an oxygenation mechanism and a pollution discharge mechanism, the fish culture tank comprises a front frame, a rear frame and a flexible tank connected between the front frame and the rear frame, the flexible tank comprises a flexible wall and at least one connecting piece connected between the front frame and the rear frame in a detachable mode, and a plurality of fixing pieces connected with the connecting piece are arranged on the flexible wall. The invention pulls the flexible wall through the connecting pieces, is connected with the connecting pieces through the fixing pieces to form a groove shape, and the two ends of the connecting pieces are respectively and fixedly connected with the front frame and the rear frame, thereby facilitating the migration and the extension of the fish culture groove.

Description

A modular aquaculture device

technical field

The invention relates to the technical field of aquaculture, in particular to a modular aquaculture device.

Background technique

At present, most of the flow tanks in the domestic industrialized aquaculture system are brick-concrete structures that cannot be moved, and ponds need to be hardened. This not only requires high construction costs, but also brings restrictions on the relocation and expansion of aquaculture factories. , causing certain obstacles to large-scale popularization and application; the water pushing speed of the flow tank has a great influence on the sewage collection efficiency and fish physical strength. The research shows that the water pushing speed is too low to affect the sewage collection effect, and the excessive water speed increases the physical strength of the fish. consumption, the phenomenon of fish topping water occurs, but no feasible control criterion for pushing water speed has been obtained; and the sewage absorption rate of the existing IPA pond circulating water fish farming system is generally low, and its sewage absorption rate is generally 20-30%. The Chinese patent with the publication number CN208113798U discloses an energy-saving and pollution-reducing floating water fish culture tank. The fish tank body floats in the water body under the action of the floating tank ring, and absorbs sewage from the aquaculture wastewater accumulation room through a micro suction sewage pump. Drainage, a water level difference is formed in the fish tank body, and the water enters the water storage and oxygenation room from the water inlet hole at the front end of the fish tank body, and enters the fish tank body after passing through the oxygen-increasing microtube, forming a micro-flow state, and cultivating fish Living in a micro-flow environment, the discharged aquaculture wastewater is filtered through a solid waste filter bag, and then undergoes water treatment and oxygenation microtubes to increase oxygen and oxidation. The harmful substances in the wastewater are significantly reduced. Use an automatic bait feeding machine to feed, stop the running water during feeding, use aeration microtubes to increase oxygen, maintain sufficient dissolved oxygen in the water body, and reduce energy consumption. When the breeding environment is not suitable, drag the fish tank body to a suitable position without hindering Water environment; but its fish tank is fixed, not easy to move and expand, and the construction cost is high.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and provide a modular aquaculture device, which is convenient for relocation and expansion, and has low construction cost.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A modular aquaculture device, comprising a fish tank in water, a plurality of floating parts are arranged on the fish tank, an aeration mechanism and a sewage discharge mechanism are connected to the fish tank, and the fish tank includes A front frame and a rear frame, and a flexible slot connected between the front frame and the rear frame, the flexible slot includes a flexible wall and at least one connecting member detachably connected between the front frame and the rear frame, the flexible A plurality of fixing pieces connected with the connecting pieces are arranged on the wall.

Further, each of the connectors is a steel wire rope, and the ends of each of the steel wire ropes are fixedly connected to the eyebolts of the front frame and the rear frame, the flexible wall is made of scraper cloth, and each of the fixing members is a buckle or rope.

Further, the front frame is arranged at the water inlet end of the fish culture tank, and the oxygen increasing mechanism includes a fan and an oxygen increasing pipe arranged on the front frame, and one end of the oxygen increasing pipe is connected to the bottom of the water inlet end of the flexible tank. communicated, and the other end of the oxygen-increasing pipe communicates with the fan.

Further, the inner bottom of the flexible tank is provided with a plurality of aeration tubes arranged at intervals, each of the aeration tubes communicates with the aerator through a hose.

Further, an impeller is rotatably installed on the front frame, and the impeller is connected to a deceleration motor to drive the impeller to splash water, and the impeller is also connected to adjust the rise and fall of the impeller so that the impeller is at least partially submerged in the water body lifting mechanism.

Further, each of the floating components includes a plurality of small buoys and a plurality of large buoys, each of the small buoys is arranged on the flexible groove, and each of the large buoys is arranged on the front frame and the rear frame.

Further, the rear frame is arranged at the water outlet end of the fish tank, and the sewage discharge mechanism includes a sewage suction pump and a sewage collection pipe arranged on the rear frame, and one end of the sewage collection pipe communicates with the bottom of the water outlet end of the flexible tank , the other end of the sewage collecting pipe communicates with the sewage suction pump.

Further, the bottom end of the rear frame is provided with a dirt collection tank connected to the flexible groove, the bottom of the dirt collection tank is set downwards from the flexible groove toward the water outlet, and the dirt collection pipe and the dirt collection tank Bottom connected.

Further, a water retaining plate, a filter plate and a fishing net are arranged in the sewage collecting tank, the filter plate is arranged in front of the water inlet of the sewage collecting tank, and the water retaining plate is arranged in front of the water outlet of the sewage collecting tank, so The top of the water retaining plate is higher than the upper end of the flume formed by the fishing net.

Further, the rear frame is provided with a filter plate located in front of the dirt collection tank and perpendicular to the length direction of the flexible tank. The surrounding edges of the filter plate are fixedly connected with the rear frame. The orifice plate and the large-mesh fishing net are assembled along the direction perpendicular to the length of the flexible groove.

Compared with the prior art, the present invention has the advantages of:

The present invention pulls the flexible wall through a plurality of connectors, and connects the connectors with a plurality of fixing members to form a groove shape, and the two ends of the plurality of connectors are respectively fixedly connected with the front frame and the rear frame, thereby facilitating the migration of the fish tank And expansion, at the same time, its assembly is convenient, the on-site suspension positioning is convenient, and it is convenient for popularization and application, thereby reducing the construction cost.

Description of drawings

Fig. 1 is a structural schematic diagram of a modular aquaculture device.

Fig. 2 is a schematic diagram of the three-dimensional structure of the modular aquaculture device.

Fig. 3 is a structural schematic diagram of the front frame.

Fig. 4 is a structural schematic diagram of a filter net.

Fig. 5 is a structural schematic diagram of the water baffle.

Fig. 6 is a schematic diagram of the structure of the flexible groove.

Fig. 7 is a schematic diagram of the structure of the aeration tube.

illustration:

1. Fish tank; 11. Front frame; 111. Eyebolt; 12. Rear frame; 13. Flexible tank; 131. Flexible wall; 132. Connecting piece; 133. Fixing piece; 2. Floating piece; 3. Oxygenation Mechanism; 31. Fan; 32. Aeration pipe; 33. Impeller; 4. Sewage discharge mechanism; 41. Sewage suction pump; 42. Sewage collection pipe; 5. Aeration pipe; 51. Hose; 52. Aerator; 6. Sewage collection tank; 7. Water retaining plate; 8. Filter plate; 9. Fishing net.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 7, the modular aquaculture device of this embodiment includes a fish tank 1 located in water, a plurality of floating parts 2 are arranged on the fish tank 1, and the fish tank 1 is connected with an aeration tank. Mechanism 3 and blowdown mechanism 4, fish culture tank 1 comprises front frame 11 and rear frame 12, and the flexible groove 13 that is connected between front frame 11 and rear frame 12, flexible groove 13 comprises flexible wall 131 and at least one to detachable The flexible wall 131 is provided with a plurality of fixing pieces 133 connected to the connecting piece 132 . Pull the flexible wall 131 through a plurality of connectors 132, and connect with the connectors 132 through a plurality of fixing members 133 to form a groove shape, and the two ends of the plurality of connectors 132 are respectively fixedly connected with the front frame 11 and the rear frame 12, thereby facilitating The relocation and expansion of the fish tank 1, at the same time, its assembly is convenient, the site suspension positioning is convenient, and it is convenient for popularization and application, thereby reducing the construction cost.

In this embodiment, each connector 132 is a steel wire rope, and the ends of each steel wire rope are fixedly connected to the eyebolts 111 of the front frame 11 and the rear frame 12. rope. Flexible wall 131 adopts flexible PVC scraper cloth material, and this material has advantages such as cheap price, durable, light weight, easy installation; The wire rope connects the front frame 11 and the rear frame 12, and tightens the entire flexible groove 13, which can well realize the connection and combination of rigidity and flexibility, reduce the construction cost of the entire breeding system, and conform to sustainable and green fishery development At the same time, the steel wire rope also has the advantages of cheap price, low processing difficulty, easy replacement, non-toxic and pollution-free; thus realizing a lightweight breeding system, providing a good water environment for fry, and realizing high-density farming.

In the present embodiment, the front frame 11 is located at the water inlet end of the fish tank 1, and the oxygen increasing mechanism 3 includes a blower fan 31 and an oxygen increasing pipe 32 arranged on the front frame 11, and one end of the oxygen increasing pipe 32 is connected to the flexible tank 13. The bottom of the water inlet is connected, and the other end of the oxygen increasing pipe 32 is connected with the fan 31 . Through the operation of the blower 31, the aeration tube 32 continuously lifts the lower water and mixes it with the surface water, and constantly renews the surface water, realizing the one-way flow of the water body and the increase of the oxygen content.

In this embodiment, the inner bottom of the flexible tank 13 is provided with a plurality of aeration tubes 5 arranged at intervals, and each aeration tube 5 communicates with an aerator 52 through a hose 51 . The aeration tube 5 placed on the side of the tank body has the function of increasing the dissolved oxygen in the water body and slowing down the precipitation of excrement. When the aeration tube 32 cannot meet the demand for the dissolved oxygen in the water body of the cultured fish, the aeration machine 52 is a flexible tank 13 Aeration increases oxygenation, and forms water flow rotation and up-and-down convection, bringing harmful gases from the bottom to the water surface, making the dissolved oxygen distribution more uniform, and increasing the dissolved oxygen in the bottom water body, ensuring the relatively stable water quality of the pond and improving the utilization rate of feed , Inhibit the growth of harmful microorganisms in the water, and improve the water quality conditions for breeding.

In this embodiment, the front frame 11 is rotatably equipped with an impeller 33, the impeller 33 is connected with a deceleration motor and drives the impeller 33 to splash water through the deceleration motor, and the impeller 33 is also connected with an adjustment impeller 33 to rise and fall to make the impeller 33 at least Lifting mechanism partially submerged in a body of water. The impeller 33 is powered by a geared motor, and the sprocket drives the impeller 33 to rotate. The blades on the impeller 33 are partially submerged in the water; during the rotation, the blades hit the water surface, arouse water splashes, and press the air into the water, generating a strong force at the same time. The force, on the one hand, presses the water on the surface into the bottom of the tank, and on the other hand, increases the kinetic energy of the water body flowing forward. When the blade is perpendicular to the water surface, a force parallel to the water surface will be generated to form a directional water flow; when the blade is about to leave the water surface, a negative pressure will be formed on the back of the blade to lift the lower water; When the blade leaves the water surface, it lifts the water in the blade bend and the water on the blade upward, and is further thrown into the air under the action of centrifugal force, thereby arousing strong water splashes and water dew, and further dissolving a large amount of air; the impeller 33 The airflow formed by the rotation can also accelerate the dissolution of the air. When the water level of the water body rises, the lifting mechanism adjusts the impeller 33 to rise, and when the water level of the water body decreases, the lifting mechanism adjusts the impeller 33 to descend, so that the bottom of the impeller 33 is always immersed in the water body.

In this embodiment, each floating member 2 includes a plurality of small buoys and a plurality of large buoys, each small buoy is arranged on the flexible groove 13 , and each large buoy is arranged on the front frame 11 and the rear frame 12 . A plurality of small buoys can be connected to the flexible groove 13 with buckles or ropes, thereby improving the assembly efficiency.

In the present embodiment, the rear frame 12 is located at the water outlet of the fish tank 1, and the sewage mechanism 4 includes a sewage suction pump 41 and a sewage collection pipe 42 arranged on the rear frame 12, and one end of the sewage collection pipe 42 is connected to the flexible tank 13. The bottom of the water outlet is connected, and the other end of the sewage collecting pipe 42 is connected with the sewage suction pump 41 . The sewage pipe connected with the sewage pump 41 is provided with a valve; through the sewage suction pump 41 and the sewage collection pipe 42, the food residues, debris and feces in the fish tank 1 can be quickly taken away, thereby purifying A fish tank 1 is installed to provide good water quality conditions for fish growth; this method greatly improves the sewage suction rate of the system without increasing the power of the sewage suction pump 41; the sewage suction rate is increased from 20% to 80% , while also playing a role in maintaining good water quality; solid matter in the water is deposited on the sewage collection tank 6, and biofilm is formed on its surface, and the biofilm can decompose toxic chemicals such as ammonia nitrogen in the water to purify the water quality. At the same time, a plurality of sewage collection pipes 42 of sewage suction pumps 41 are arranged at the bottom to remove fish excrement and feed residues, and the purpose of preliminary purification of the water body is completed. At the same time, as the water flows to the purification area, this area will further purify the water.

In this embodiment, the bottom of the rear frame 12 is provided with a dirt collection tank 6 connected to the flexible groove 13, and the bottom of the dirt collection tank 6 is arranged downwards from the flexible groove 13 toward the water outlet. The bottom end of the groove 6 communicates. In view of the low sewage absorption rate of the existing similar systems, the setting of the sewage collection tank 6 can facilitate harmful pollutants such as feed residual bait, feces, ammonia nitrogen, and nitrite nitrogen in the deep water body, and can be more conveniently absorbed through the sewage collection pipe 42. Dirt, thereby the purification of the fish tank 1 can be accelerated.

In this embodiment, a water retaining plate 7, a filter plate 8 and a fishing net 9 are provided in the sewage collecting tank 6, the filter plate 8 is arranged in front of the water inlet of the sewage collecting tank 6, and the water retaining plate 7 is arranged in front of the water outlet of the sewage collecting tank , the top of the water retaining plate 7 is higher than the upper end of the water tank formed by the fishing net 9. This "low in and high out" setting can prevent most of the dirt from entering the purification area through the water outlet, so that harmful pollutants can be deposited in the sewage tank In 6, the sedimentation rate of the dirt is effectively improved, and then the dirt is extracted from the water body by sewage suction pump 41, and finally, this part of the water body is sent to the water quality purification area through the biological bed process and filter-feeding fish. The treatment and metabolization of species has realized the recycling of aquaculture water in fish tank 1, the reduction of total nitrogen, total phosphorus and pollutant discharge, the quality of water environment is above the fishery standard value, and the products of farmed fish meet the green food standard .

In this embodiment, the rear frame 12 is provided with a filter plate 8 positioned in front of the dirt collection tank 6 and perpendicular to the length direction of the flexible groove 13. The surrounding edges of the filter plate 8 are fixedly connected with the rear frame 12. The filter plate 8 includes a small mesh The number of perforated plates and the fishing nets (9) of large mesh number are assembled along the length direction perpendicular to the flexible groove 13. Filter plate 8 can prevent fry from escaping from fish tank 1, and the number of orders is relatively large, so as to facilitate the inflow of water body.

In this embodiment, the fish tank 1 is equipped with a multi-parameter water quality detection probe, a flow rate detector and an electronic control host, wherein the multi-parameter detection probe includes sensors such as temperature, humidity, ammonia nitrogen, pH value, and dissolved oxygen required by aquaculture, The multi-parameter detection probe and flow rate detector can communicate with the electronic control host, and the electronic control host can automatically control the start and stop of the impeller 33, the oxygen increasing fan and the sewage suction pump 41 through the preset control strategy, which not only realizes real-time The breeding production data is recorded and saved, and the energy saving effect of the breeding system is effectively improved.

This device adopts the combination of blower and water wheel to push water and oxygenation equipment, which can increase the oxygen content of water body; by setting a set of low power consumption combined water push and oxygenation system, it realizes the rapid exchange of upper and lower water layers and automatic regulation of water flow rate . Compared with the existing products on the market, the oxygen content of the aquaculture water is higher, the uniformity of oxygen distribution in the water is better, the sewage absorption rate is improved, and the operating power consumption is lower.

The device adopts a modular and detachable design, which can be transported in parts. It is equipped with functional components and floating parts 2. Its flexible groove 13 is made of flexible cultured PVC knife scraping cloth material, and the main material is light in weight. The PVC knife scraping cloth The stainless steel pressure plate is respectively connected to the angle steel on the front frame 11 and the rear frame 12, so that the system not only reduces the quality of the system, but also greatly reduces the cost of manufacturing and transportation. The main body is light in weight, physically and chemically stable, and non-polluting, making the system easy to assemble, on-site suspension and positioning, and low construction cost, making it easy to popularize and apply. Conduct in-depth research on issues such as hydrodynamic layout, lightweight design of fish tank 1, structure of purification area, design optimization of low-power water pushing and oxygenation technology, optimal matching of water pushing speed, feeding frequency, breeding density and intelligent control, etc. In order to reduce the unit energy consumption and construction cost of the IPA system, improve the cleaning rate and intelligence level, promote the mechanization and facility of aquaculture, continuously improve the new engineering pond breeding technology and breeding mode, and realize the discharge of total nitrogen, total phosphorus and other pollutants The water environment quality is kept above the fishery water quality standard, the aquatic products meet the green food standard, solve the shortage of land resources and environmental pollution, and improve economic benefits. The entire process of feeding, feeding, sewage suction, and water pushing of this device is fully automated, without manual intervention, and with the goal of water quality control and fish growth quality, a comprehensive mathematical model of water pushing, oxygenation and sewage suction control is established, and an IPA model is established. The optimal breeding parameters and water quality control strategies of different species under different conditions form the corresponding breeding technical specifications to achieve the comprehensive optimization of economic benefits and fish meat quality. This model proposes to use 2% of the water surface of the fish pond to set up equipment such as water pushing and aeration equipment and sewage suction equipment as a high-density breeding system, while the remaining 98% should be mechanized, adding filter-feeding plants and water pushing equipment respectively. As a clean zone for this mode.

The above descriptions are only preferred implementations of the present invention, and the scope of protection of the present invention is not limited to the above examples. For those skilled in the art, improvements and transformations obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a modularization aquaculture device, is including the fish culture groove (1) of locating the aquatic, be equipped with a plurality of float (2) on fish culture groove (1), fish culture groove (1) is connected with oxygenation mechanism (3) and blowdown mechanism (4), its characterized in that, fish culture groove (1) is including preceding frame (11) and after-frame (12) to and connect flexible groove (13) between preceding frame (11) and after-frame (12), flexible groove (13) include flexible wall (131) and at least one with can dismantle the mode connect in connecting piece (132) between preceding frame (11) and after-frame (12), be equipped with a plurality of mounting (133) of being connected with connecting piece (132) on flexible wall (131).

2. A modular aquaculture apparatus according to claim 1, wherein each of said connectors (132) is a steel cable, the ends of each of said steel cables are fixedly connected to eye screws (111) of the front frame (11) and the rear frame (12), said flexible wall (131) is made of a knife cloth, and each of said fasteners (133) is a buckle or a rope.

3. The modular aquaculture device of claim 1, wherein the front frame (11) is arranged at the water inlet end of the fish tank (1), the oxygenation mechanism (3) comprises a fan (31) and an oxygenation pipe (32) which are arranged on the front frame (11), one end of the oxygenation pipe (32) is communicated with the bottom of the water inlet end of the flexible tank (13), and the other end of the oxygenation pipe (32) is communicated with the fan (31).

4. The modular aquaculture device of claim 1, characterized in that the bottom of the inside of said flexible tank (13) is provided with a plurality of aeration pipes (5) arranged at intervals, each of said aeration pipes (5) being in communication with an aerator (52) through a hose (51).

5. A modular aquaculture apparatus according to claim 1, wherein said front frame (11) is rotatably mounted with an impeller (33), said impeller (33) being connected to a gear motor and being driven by the gear motor to splash water, said impeller (33) being further connected to a lifting mechanism for adjusting the raising and lowering of the impeller (33) so that the impeller (33) is at least partially submerged in the body of water.

6. A modular aquaculture apparatus according to claim 1, characterized in that each of said flotation members (2) comprises a plurality of small pontoons, each of said small pontoons being provided on a flexible trough (13), and a plurality of large pontoons, each of said large pontoons being provided on a front frame (11) and a rear frame (12).

7. The modular aquaculture apparatus of any one of claims 1 to 6, wherein the rear frame (12) is arranged at the water outlet end of the fish tank (1), the sewage draining mechanism (4) comprises a sewage suction pump (41) and a sewage collecting pipe (42) which are arranged on the rear frame (12), one end of the sewage collecting pipe (42) is communicated with the bottom of the water outlet end of the flexible tank (13), and the other end of the sewage collecting pipe (42) is communicated with the sewage suction pump (41).

8. The modular aquaculture device of claim 7, wherein the bottom end of the rear frame (12) is provided with a sewage collecting tank (6) communicated with the flexible tank (13), the bottom of the sewage collecting tank (6) is obliquely and downwards arranged from the flexible tank (13) to the water outlet end, and the sewage collecting pipe (42) is communicated with the bottom end of the sewage collecting tank (6).

9. A modular aquaculture apparatus according to claim 8, characterized in that said dirt collection tank (6) is provided with a water baffle (7), a filter plate (8) and a fishing net (9), said filter plate (8) being arranged in front of the water inlet of the dirt collection tank (6), said water baffle (7) being arranged in front of the water outlet of the dirt collection tank (6), the top of said water baffle (7) being higher than the upper end of the water passing tank formed by the fishing net (9).

10. A modular aquaculture apparatus according to claim 9, characterized in that a filter plate (8) is arranged in the rear frame (12) in front of the dirt collecting tank (6) and perpendicular to the length direction of the flexible tank (13), the filter plate (8) is fixedly connected to the rear frame (12) at all four sides, the filter plate (8) comprises a small number of punched plates and a large number of fishing nets (9) spliced together perpendicular to the length direction of the flexible tank (13).

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