Outer pond culture water body purification system

Abstract

The utility model provides an outer pond culture water body purification system which comprises a pond, a purification mechanism and a feeding mechanism, a hardened enclosure platform is arranged on one side or multiple sides of the pond, the purification mechanism and the feeding mechanism are installed on the enclosure platform, the purification mechanism comprises at least two groups of purification units, and the purification units are connected with the purification mechanism. Each group of purification unit comprises a microfilter, a vertical flow precipitator, an air floatation tank and a water inlet pipe, the microfilter is connected with the water inlet pipe, the microfilter, the vertical flow precipitator and the air floatation tank are sequentially connected through a pipeline, the air floatation tank is divided into a slow flow area and an air floatation area through a partition plate, a first jet device is mounted on the partition plate, and a second jet device is mounted on the partition plate. And the air floatation tank is connected with at least one second jet device and at least one buffer tank through a pipeline. According to the feeding training device, the purification of a culture water body can be realized, the discharge amount of tail water can be reduced, the nitrogen and phosphorus pollution can be reduced, and the feeding training device can be matched with the feeding mechanism to feed the feed and help fishes to form conditioned reflex of feeding so as to achieve the feeding training effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of breeding equipment, and specifically relates to an external pond breeding water purification system. BACKGROUND

[0002] External pond breeding is a common water product breeding mode for fish, shrimp and the like, and a drainage channel is usually built outside the breeding pond, and the tail water of the breeding pond is directly discharged into a river or sea through the drainage channel, and the traditional pond breeding mode has problems such as extensive water quality management, low feed utilization rate, and serious tail water pollution, which limits the breeding benefit and faces environmental protection pressure.

[0003] At present, the pond circulating water breeding treatment mode usually adopts a protein separator and a drum microfilter in cooperation with a biological filter and other devices, and due to the large external pond water body, the residual bait and feces collection efficiency is low, the equipment and civil construction investment is large, and the maintenance cost is high, so the actual operation effect of this mode is not good.

[0004] In addition, the electric control system in the current pond circulating water breeding treatment mode is complex in arrangement, is not conducive to the rapid and efficient realization of pond water circulation and purification, and has high cost.

[0004] In addition, the existing external pond breeding pond generally adopts manual throwing or machine feeding when feeding fish, and generally does not set a domestication system, and if an independent domestication system is set, the use cost will be significantly increased, therefore, the combination of the domestication system and the purification system for use, and the construction of a closed loop system of "precise feeding - real-time purification - resource circulation" are the development trend of the external pond breeding field. SUMMARY

[0005] The utility model aims at providing an external pond breeding water purification system, realizing the combination of domestication and purification technology, being capable of realizing the automatic purification of breeding water body, reducing the tail water discharge amount, reducing the equipment use cost, and improving the feed utilization rate.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] An outdoor aquaculture water purification system, comprising a pond, a purification mechanism and a feeding mechanism, one side or multiple sides of the pond are provided with a hardened surrounding platform, the purification mechanism and the feeding mechanism are installed on the surrounding platform, the purification mechanism comprises at least two groups of purification units, each group of purification units comprises a microfilter, a vertical flow sedimentation device, a flotation tank and a water inlet pipe, the water inlet pipe extends into the pond, the microfilter is connected with the water inlet pipe, the microfilter, the vertical flow sedimentation device and the flotation tank are sequentially connected through pipelines, the flotation tank is divided into a slow flow area and a flotation area through a partition plate, the slow flow area is connected with the vertical flow sedimentation device through a pipeline, a first jet device is installed on the partition plate, and the flotation tank is provided with at least one second jet device and at least one buffer tank through a pipeline, the second jet device is connected with the slow flow area through a pipeline, and the buffer tank is connected with the flotation area through a pipeline.

[0008] Further, the purification mechanism and the feeding mechanism are oppositely arranged.

[0009] Further, the purification unit further comprises a sewage pipe, and the sewage pipe is respectively connected to the bottom end of the microfilter, the vertical flow sedimentation device and the flotation tank.

[0010] Further, the microfilter is a non-powered microfilter, a rotating drum with a filter screen is arranged in the microfilter, the filter screen is 200 meshes, and a pump body is arranged between the microfilter and the water inlet pipe.

[0011] Further, the flotation tank is a closed box structure, and a foam collector is arranged in the flotation tank.

[0012] Further, the first jet device is a plurality of jet pumps arranged in line, the plurality of jet pumps are arranged in line at the middle and lower parts of the partition plate, and the jet pumps are sprayed towards the side of the flotation area.

[0013] Further, the second jet device is arranged at the side of the feeding mechanism, and the second jet device is arranged towards the purification mechanism, and the second jet device is a separately arranged jet pump.

[0014] Further, a valve is arranged on the pipeline connected between the slow flow area and the second jet device.

[0015] Further, a slope is arranged between the surrounding platform and the pond, the slope extends from the surrounding platform into the pond, and the buffer tank is arranged on the slope.

[0016] Further, the feeding mechanism is installed on the slope and extends into the pond, and the feeding mechanism comprises a feeding floating bridge.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] This invention, by setting up a first jet device and a second jet device, can not only purify the aquaculture water and reduce the amount of tailwater discharge and nitrogen and phosphorus pollution, but also cooperate with the feeding mechanism to feed the fish, helping them to form a conditioned reflex to eat and achieve the effect of domestication. This not only reduces the use of equipment and lowers input costs, but also achieves the effect of domestication and improves the utilization rate of feed. Attached Figure Description

[0019] Appendix Figure 1 This is a schematic diagram of the structure of the outdoor pond aquaculture water purification system described in this utility model;

[0020] Appendix Figure 2 This is a perspective view of the outdoor pond aquaculture water purification system described in this utility model;

[0021] Appendix Figure 3 It is attached Figure 1 Enlarged view of section A in the middle;

[0022] Appendix Figure 4 It is attached Figure 2 The diagram shows the structure of the air flotation tank. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-2 As shown, an outdoor aquaculture water purification system includes a pond 1, a purification mechanism 2, and a feeding mechanism 3. The pond 1 is a natural pond or an artificially excavated aquaculture pond. The pond 1 can be regular or irregular in shape. In this embodiment, a regular-shaped pond is used as an example. A hardened platform 11 is provided on one or more banks of the pond 1. The platform 11 is used to install the purification mechanism 2 and the feeding mechanism 3. A slope 12 is provided between the platform 11 and the pond 1. The slope 12 extends from the platform 11 into the pond 1 and serves as a water storage buffer. The purification mechanism 2 and the feeding mechanism 3 are installed on the platform 11. Preferably, the purification mechanism 2 and the feeding mechanism 3 are arranged opposite each other, so that the feed fed by the feeding mechanism 3 can move towards the purification mechanism 2.

[0025] The purification mechanism 2 is used to purify the aquaculture water. The purification mechanism 2 includes at least two sets of purification units. The number of purification units can be set according to the area of ​​the pond 1. This embodiment uses two sets of purification units as an example. Figure 3As shown, each set of purification units includes a microfilter 21, a vertical flow precipitator 22, a gas floatation tank 23, and a water inlet pipe 24 extending into the pond 1 for extracting water, preferably, the water inlet pipe 24 extends to the bottom end of the pond 1 for extracting the bottom layer water of the pond 1, and a sewage pipe 25 connected to the bottom end of the microfilter 21, the vertical flow precipitator 22, and the gas floatation tank 23 for discharging the impurities filtered or precipitated; the microfilter 21 is connected to the water inlet pipe 24, the microfilter 21 is a non-powered microfilter, and a rotating drum with a filter screen is arranged in the microfilter 21, the filter screen is 200 mesh, and the rotating drum can intercept large impurities in the water such as plastic bags, leaves, snails, shells, etc., preferably, a pump body is arranged between the microfilter 21 and the water inlet pipe 24, the pump body pumps the aquaculture water into the microfilter 21, the water flow falls under the action of gravity to impact the rotating drum to form a waterwheel effect to make the rotating drum rotate, and the impurities separated by the filter screen are guided to the bottom end of the rotating drum and discharged into the sewage pipe 25, thereby achieving the filtering effect, and the filtered water enters the vertical flow precipitator 22 for purification and precipitation; the vertical flow precipitator 22 is connected to the microfilter 21 through a pipeline, and the vertical flow precipitator 22 is used for gravity settling of small particle suspended matters in the aquaculture water such as suspended particles, residual feed, excrement, and other organic debris, which can effectively reduce the total amount of suspended matters entering the gas floatation tank 23, and the precipitated impurities are discharged into the sewage pipe 25 by regular cleaning.

[0026] The gas floatation tank 23 is connected to the vertical flow precipitator 22 through a pipeline, and the clean water in the upper layer of the vertical flow precipitator 22 enters the gas floatation tank 23 through the pipeline, such as Figure 4As shown, the air floatation tank 23 is a closed box structure, the air floatation tank 23 comprises a slow flow area 231 and an air floatation area 232, the slow flow area 231 and the air floatation area 232 are separated by a partition 233, the slow flow area 231 is connected with the vertical flow precipitator 22 through a pipeline, the slow flow area 231 is used for slow flow of water flow, which can effectively reduce the accumulation of suspended solids and organic matter in water, the partition 233 is provided with a first jet device 234, the first jet device 234 is a plurality of jet pumps arranged in a line, the plurality of jet pumps are arranged in the middle and lower part of the partition 233 in a line, the jet pumps spray towards the side of the air floatation area 232, the water in the slow flow area 231 is pumped into the air floatation area 232 by the jet pumps mixed with air, in use, the jet pumps spray the water in the slow flow area 231 out at high speed through the nozzles, air is sucked into the water together, forming micro bubbles, the bubbles combine with the suspended solids in the water in the air floatation tank to form floatation bodies, the suspended solids are floated to the water surface by the buoyancy of the bubbles to form foam or scum, thereby separating the suspended solids in the water, at the same time, the air and water are fully mixed and energy exchange is carried out during the air floatation process of the jet pumps, increasing the dissolved oxygen content in the water; the air floatation tank 23 is provided with a foam collector 235, the foam collector 235 is used for collecting the foam generated in the air floatation tank 23, the collected foam is discharged from the air floatation tank 23 through a blowdown pipe; the air floatation tank 23 is connected with at least one second jet device 27 and at least one buffer tank 26 through a pipeline, the second jet device 27 is arranged at the side of the feeding mechanism 3 and faces the purification mechanism 2, the second jet device 27 is a separately arranged jet pump, the second jet device 27 is connected with the slow flow area 231 through a pipeline, the water in the slow flow area 231 is sprayed out from the second jet device 27 to push the water to flow towards the purification mechanism 2 to accelerate the purification rate of the water; the pipeline connected with the slow flow area 231 and the second jet device 27 is provided with a valve, the valve can be opened at random according to needs, another purpose of the second jet device 27 is to domesticate the fish, the second jet device 27 is opened at a fixed time every day and the feed is fed through the feeding mechanism 3 to help the fish form time conditioned reflex to achieve the purpose of domestication; the buffer tank 26 is arranged on the slope 12, the buffer tank 26 is connected with the air floatation area 232 through a pipeline, the purified water in the buffer tank 26 flows back into the pond 1 after overflowing the buffer tank 26 through the slope 12; preferably, the buffer tank 26 is arranged beside the feeding mechanism 3, because the water discharged from the buffer tank 26 contains a large amount of oxygen, the fish will gather around the buffer tank 26, therefore, the buffer tank 26 is arranged beside the feeding mechanism 3, the fish does not need to swim a long distance during the feeding work;The second jet flow device 27 and the buffer pool 26 can be provided in plurality according to the water area of the pond 1 or the irregular shape of the pond 1, for example, 1-2 sets of the second jet flow device 27 are provided on both sides of the feeding mechanism 3, a plurality of buffer pools 26 are provided at a position far from the purifying mechanism 2, and the like, so as to achieve the best purifying effect.

[0027] The feeding mechanism 3 is installed on the slope 12 and extends into the pond 1, and the feeding mechanism 3 comprises a feeding floating bridge, the feeding floating bridge can float on the water surface of the pond 1 when the water level in the pond 1 rises, and an automatic feeding device can be installed on the feeding floating bridge, or a manual feeding mode can be adopted, and fish feed such as feed, leafy vegetables and forage is thrown into the pond on the feeding floating bridge, in the utility model, the second jet flow device 27 is used to achieve the effect of domestication when the fish feed is fed, and the specific method is as follows: before the feed is fed, the jet flow pipe is opened and accompanied by a fixed sound signal (such as knocking sound or whistling sound), fish will gradually associate the water flow sound with food, after the jet flow guides fish to gather, the feed is placed in a fixed area, the feeding range is gradually reduced, and finally fixed near the feeding mechanism 3, the second jet flow device 27 is opened at a fixed time every day and the feed is fed through the feeding mechanism 3, to help fish form a time conditioned reflex, achieve the purpose of domestication, and further improve the utilization rate of the feed.

[0028] The utility model discloses two jet flow devices, which can not only purify the breeding water body, but also reduce the tail water discharge amount, reduce nitrogen and phosphorus pollution, help fish form a conditioned reflex when feeding, achieve the effect of domestication, reduce the use of equipment, reduce the investment cost, achieve the effect of domestication and improve the utilization rate of the feed.

[0029] The above-mentioned is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields according to the contents of the utility model specification and drawings are all included in the patent protection range of the utility model.

Claims

1. An aquaculture water purification system comprising a pond, a purification mechanism and a feeding mechanism, characterized in that: One side or multiple sides of the pond are provided with a hardened surrounding platform, the purification mechanism and the feeding mechanism are installed on the surrounding platform, the purification mechanism comprises at least two groups of purification units, each group of purification units comprises a microfilter, a vertical flow sedimentation device, a flotation tank and a water inlet pipe, the water inlet pipe extends into the pond, the microfilter is connected with the water inlet pipe, the microfilter, the vertical flow sedimentation device and the flotation tank are sequentially connected through pipelines, the flotation tank is divided into a slow flow area and a flotation area through a partition plate, the slow flow area is connected with the vertical flow sedimentation device through a pipeline, a first jet device is installed on the partition plate, the flotation tank is provided with at least one second jet device and at least one buffer tank through a pipeline, the second jet device is connected with the slow flow area through a pipeline, and the buffer tank is connected with the flotation area through a pipeline.

2. The system for purification of an outdoor aquaculture water body according to claim 1, wherein: The purification mechanism and the feeding mechanism are oppositely arranged.

3. The system for purification of an outdoor aquaculture water body according to claim 1, wherein: The purification unit further comprises a sewage pipe, and the sewage pipe is respectively connected to the bottom end of the microfilter, the vertical flow sedimentation device and the flotation tank.

4. The system for purification of an outdoor aquaculture water body according to claim 1, wherein: The microfilter is a non-powered microfilter, a rotating drum with a filter screen is arranged in the microfilter, the filter screen is 200 mesh, and a pump body is arranged between the microfilter and the water inlet pipe.

5. The system for purification of an outdoor aquaculture water body according to claim 1, wherein: The flotation tank is a closed box structure, and a foam collector is arranged in the flotation tank.

6. The system of claim 1, wherein: The first jet device is a plurality of jet pumps arranged in a line, the plurality of jet pumps are arranged in a line on the middle and lower parts of the partition plate, and the jet pumps are sprayed towards the side of the flotation area.

7. The system of claim 1, wherein: The second jet device is arranged on the side of the feeding mechanism and faces the purification mechanism, and the second jet device is a separately arranged jet pump.

8. The system of claim 1, wherein: A valve is arranged on the pipeline connected between the slow flow area and the second jet device.

9. The system of claim 1, wherein: A slope is arranged between the surrounding platform and the pond, the slope extends from the surrounding platform into the pond, and the buffer tank is arranged on the slope.

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