Circulating water culture pond

Abstract

The utility model provides a circulating water culture pond, and relates to the technical field of culture. The aquaculture system comprises a water inlet unit, a plurality of aquaculture units and a water treatment unit which are sequentially arranged, a water return pipe is further arranged between the water inlet unit and the water treatment unit for communication, each aquaculture unit sequentially comprises a communication groove and an aquaculture groove in the water flow direction, the bottom face of each communication groove is lower than the corresponding aquaculture groove, a partition wall is vertically arranged in each communication groove, and the partition walls are arranged in the water flow direction. Water flows in the communicating groove in a U-shaped flowing track, and two escape-proof nets are arranged in the culture pond. According to the utility model, aquatic products are uniformly distributed in a plurality of culture units and are prevented from gathering at one place.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, in particular to a circulating water aquaculture pond. Background Art

[0002] Aquaculture is the production business of aquatic economic animals and plants that humans engage in by utilizing waters available for breeding (including planting) and applying aquaculture techniques and facilities in accordance with the ecological habits of the breeding objects and the requirements for the water environment conditions.

[0003] At present, with the promulgation and implementation of the aquaculture water surface planning, a large number of traditional aquaculture water surfaces such as lakes and reservoirs have been designated as prohibited aquaculture areas. Coupled with the pressure of industrial pollution and agricultural non-point source pollution, the aquaculture area in the country has been greatly reduced. In the existing technology, aquaculture ponds are generally built by themselves, but aquatic products may gather in the ponds, and the lack of oxygen in the water where aquatic products gather may cause the death of aquatic products. The water quality where aquatic products gather is poor, and generally only one aquatic product can be cultured in the same aquaculture pond, and the aquaculture types are limited. Utility Model Content

[0004] The utility model aims to develop a circulating water aquaculture pond which can evenly distribute aquatic products in a plurality of aquaculture units and avoid aquatic products gathering in one place.

[0005] The utility model is achieved through the following technical solutions:

[0006] A circulating water aquaculture pond, comprising:

[0007] A water inlet unit, a plurality of breeding units and a water treatment unit are arranged in sequence, and a return pipe is provided between the water inlet unit and the water treatment unit;

[0008] Among them, the breeding unit includes a connecting groove and a breeding groove in sequence in the water flow direction, the bottom surface of the connecting groove is lower than the breeding groove, a vertical partition wall is arranged in the connecting groove, the water flows in a U-shaped flow trajectory in the connecting groove, and two anti-escape nets are arranged in the breeding pond.

[0009] Optionally, a pollution collecting mechanism is provided on the bottom surface of the breeding tank away from the connecting tank, and the two anti-escape nets are located between the pollution collecting mechanism and the connecting tank.

[0010] Optionally, the sewage collecting mechanism includes a plurality of sewage collecting tanks connected in series, the lower part of the sewage collecting tank is connected with a connecting pipe, the connecting pipe is connected with a sludge container, and a valve is provided on the pipeline between the connecting pipe and the sludge container.

[0011] Optionally, the sewage collection tank is in the shape of a quadrangular pyramid, with the end of the sewage collection tank having a larger diameter being located at the bottom surface of the breeding tank, and the end of the sewage collection tank having a smaller diameter facing downward and connected to the connecting pipe.

[0012] Optionally, a first oxygen supply pipe is provided in the connecting groove, the first oxygen supply pipe is located at the side of the connecting groove close to the breeding tank, and a plurality of first air holes are provided on the first oxygen supply pipe, the first air holes are located obliquely upward toward the breeding tank in the circumferential direction of the first oxygen supply pipe.

[0013] Optionally, a plurality of second oxygen supply pipes are provided in the breeding tank, and the plurality of second oxygen supply pipes are arranged in a vertical line and are arranged at equal intervals. A plurality of second air holes arranged parallel to the axial direction of the second oxygen supply pipes are arranged at equal intervals on the second oxygen supply pipes, and the second air holes are located on the side facing the water flow direction in the circumferential direction of the second oxygen supply pipes.

[0014] Optionally, the water treatment unit includes a first water baffle, a second water baffle and a third water baffle arranged in sequence, a filter tank is formed between the first water baffle and the second water baffle, a biochemical tank is formed between the second water baffle and the third water baffle, an opening for water flow is provided at the bottom end of the first water baffle, and an opening for water flow is provided at the top end of the second water baffle.

[0015] Optionally, a filter filler is provided in the filter tank, a biochemical filler is provided in the biochemical tank, and a third oxygen supply pipe is provided below the biochemical filler.

[0016] Optionally, the side wall of the third water baffle away from the second water baffle is also connected to an overflow groove, the top of the third water baffle is provided with an opening for water to flow from the biochemical tank into the overflow groove, and the return pipe is connected to the overflow groove.

[0017] The beneficial effects of the utility model are:

[0018] The utility model can set up multiple breeding units, and the breeding units are provided with anti-escape nets to intercept aquatic products, so that the aquatic products are evenly distributed in the multiple breeding units to avoid aquatic products gathering in one place, and different kinds of aquatic products can be cultured in the multiple breeding units. The oxygen output in the breeding pond not only increases the dissolved oxygen content of the water body, but also serves as a power source to promote the circulation of the water body. The circulating water body flows into the filter tank and the biochemical tank for treatment to achieve self-cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 for Figure 1 Top view of the .

[0022] Figure numerals: 1. connecting trough; 2. breeding trough; 3. partition wall; 4. first oxygen supply pipe; 5. second oxygen supply pipe; 6. anti-escape net; 7. sewage trough; 8. connecting pipe; 9. first water baffle; 10. second water baffle; 11. third water baffle; 12. overflow trough; 13. return pipe; 14. filter filler; 15. biochemical filler; 16. third oxygen supply pipe. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1 and Figure 2 As shown, the utility model discloses a circulating water aquaculture pond, comprising a water inlet unit, two aquaculture units and a water treatment unit which are arranged in sequence. Water flows into the aquaculture pond from the water inlet unit, passes through the two aquaculture units in sequence and then enters the water treatment unit. The water treatment unit treats the water and then returns it to the water inlet unit to realize the circulation of water in the aquaculture pond.

[0027] The breeding unit includes a connecting groove 1 and a breeding groove 2 in sequence in the direction of water flow. The bottom surface of the connecting groove 1 is lower than the breeding groove 2. A vertically arranged partition wall 3 is provided in the connecting groove 1. The top of the partition wall 3 is not lower than the highest water level. The bottom end of the partition wall 3 extends into the connecting groove 1 and the bottom end of the partition wall 3 is lower than the bottom surface of the breeding groove 2, so that the water flow in the connecting groove 1 is a U-shaped flow trajectory.

[0028] A sewage collecting mechanism is provided on the bottom of the breeding tank 2 away from the connecting tank 1. The sewage collecting mechanism includes four sewage collecting tanks 7 connected in sequence. The sewage collecting tanks 7 are in the shape of a quadrangular pyramid. The end of the sewage collecting tank 7 with a larger diameter is located on the bottom of the breeding tank 2, and the end of the sewage collecting tank 7 with a smaller diameter faces downward. A connecting pipe 8 is provided below the four sewage collecting tanks 7. The ends of the four sewage collecting tanks 7 with a smaller diameter are connected to the connecting pipe 8 through a pipeline. The connecting pipe 8 is connected to a sludge container. A valve is provided on the pipeline between the connecting pipe 8 and the sludge container.

[0029] Anti-escape nets 6 are respectively provided at both ends of the breeding tank 2 between the sewage collection mechanism and the connecting tank 1. The top of the anti-escape net 6 is not lower than the highest water level, and the bottom of the anti-escape net 6 is connected to the bottom surface of the breeding tank 2. The anti-escape net 6 prevents the farmed animals from leaving the breeding tank 2.

[0030] An air intake mechanism is also provided in the breeding unit, which transports oxygen into the water and drives the water flow. The air intake mechanism includes a first oxygen supply pipe 4 provided in the connecting groove 1 and a plurality of second oxygen supply pipes 5 provided in the breeding groove 2. The first oxygen supply pipe 4 and the plurality of second oxygen supply pipes 5 are both arranged horizontally, and the plurality of second oxygen supply pipes 5 are arranged in a vertical line and are arranged at equal intervals. The first oxygen supply pipe 4 is located at the side of the connecting groove 1 close to the breeding groove 2. The water flow at the first oxygen supply pipe 4 flows obliquely upward. The first oxygen supply pipe 4 is provided with a plurality of first air holes arranged parallel to the axial direction of the first oxygen supply pipe 4 at equal intervals. The first air holes are located obliquely above the breeding groove 2 in the circumferential direction of the first oxygen supply pipe 4. The second oxygen supply pipe 5 is provided with a plurality of second air holes arranged parallel to the axial direction of the second oxygen supply pipe 5 at equal intervals. The second air holes are located on the side facing the water flow direction in the circumferential direction of the second oxygen supply pipe 5. Oxygen is pumped into the first oxygen supply pipe 4 and the second oxygen supply pipe 5 , and the oxygen is ejected from the first oxygen supply pipe 4 and the second oxygen supply pipe 5 . The ejected oxygen increases the dissolved oxygen content in the water body and promotes the flow of the water body, and is the power source for circulating water.

[0031] The two breeding units are connected end to end, that is, the breeding tank 2 of the previous breeding unit is connected with the connecting tank 1 of the next breeding unit. The connecting tank 1 makes the water levels of the two breeding units consistent, and some impurities can settle in the connecting tank 1.

[0032] The water treatment unit comprises a first water baffle 9 , a second water baffle 10 and a third water baffle 11 which are arranged in sequence. A filter tank is formed between the first water baffle 9 and the second water baffle 10 , and a biochemical tank is formed between the second water baffle 10 and the third water baffle 11 .

[0033] The bottom end of the first water baffle 9 is provided with an opening for water flow, and the top ends of the second water baffle 10 and the third water baffle 11 are provided with openings for water flow. Water flows into the filter tank from the bottom of the first water baffle 9, and the water flows into the biochemical tank from bottom to top in the filter tank in the form of overflow. A filter filler 14 is provided in the filter tank, a biochemical filler 15 is provided in the biochemical tank, and a third oxygen supply pipe 16 is provided below the biochemical filler 15. The third oxygen supply pipe 16 transports oxygen into the biochemical tank by pumping. The side wall of the third water baffle 11 away from the second water baffle 10 is also connected to an overflow tank 12, and a return pipe 13 is provided on the overflow tank 12. The return pipe 13 is connected to the water inlet unit, and the water in the biochemical tank enters the overflow tank 12 in the form of overflow.

[0034] The utility model can be provided with multiple breeding units, and an anti-escape net 6 is arranged in the breeding unit to intercept the aquatic products, so that the aquatic products are evenly distributed in the multiple breeding units to avoid the aquatic products gathering in one place, and different kinds of aquatic products can be cultured in the multiple breeding units. The oxygen output in the breeding pond not only increases the dissolved oxygen content of the water body, but also serves as a power source to promote the circulation of the water body. The circulating water body flows into the filter tank and the biochemical tank for treatment to achieve self-cleaning. The residual bait and feces in the water body sink into the sewage tank 7 and are regularly discharged through the connecting pipe 8.

[0035] The above embodiments are only preferred embodiments of the present utility model and are not limitations on the technical solutions of the present utility model. Any technical solution that can be implemented on the basis of the above embodiments without creative work should be deemed to fall within the scope of protection of the patent of the present utility model.

Claims

1. A circulating water aquaculture pond, characterized in that: include: A water inlet unit, a plurality of breeding units and a water treatment unit are arranged in sequence, and a return pipe is provided between the water inlet unit and the water treatment unit; Among them, the breeding unit includes a connecting groove and a breeding groove in sequence in the water flow direction, the bottom surface of the connecting groove is lower than the breeding groove, a vertical partition wall is arranged in the connecting groove, the water flows in a U-shaped flow trajectory in the connecting groove, and two anti-escape nets are arranged in the breeding pond.

2. The circulating water aquaculture pond according to claim 1, characterized in that: A pollution collecting mechanism is arranged on the bottom surface of the breeding tank away from the connecting tank, and the two anti-escape nets are located between the pollution collecting mechanism and the connecting tank.

3. The circulating water aquaculture pond according to claim 2, characterized in that: The sewage collecting mechanism comprises a plurality of sewage collecting tanks connected in sequence, the lower part of the sewage collecting tank is connected with a connecting pipe, the connecting pipe is connected with a sludge container, and a valve is arranged on the pipeline between the connecting pipe and the sludge container.

4. The circulating water aquaculture pond according to claim 3, characterized in that: The sewage accumulating tank is in the shape of a quadrangular pyramid, with a large-diameter end of the sewage accumulating tank being located at the bottom surface of the breeding tank, and a small-diameter end of the sewage accumulating tank facing downward and being connected to the connecting pipe.

5. The circulating water aquaculture pond according to claim 1, characterized in that: A first oxygen supply pipe is provided in the connecting groove, and the first oxygen supply pipe is located at the side of the connecting groove close to the breeding tank. A plurality of first air holes are provided on the first oxygen supply pipe, and the first air holes are located obliquely upward toward the breeding tank in the circumferential direction of the first oxygen supply pipe.

6. The circulating water aquaculture pond according to claim 1, characterized in that: A plurality of second oxygen supply pipes are arranged in a vertical line and at equal intervals in the breeding tank. A plurality of second air holes arranged parallel to the axial direction of the second oxygen supply pipes are arranged at equal intervals on the second oxygen supply pipes. The second air holes are located on the side of the second oxygen supply pipes facing the water flow direction in the circumferential direction of the second oxygen supply pipes.

7. The circulating aquaculture pond according to any one of claims 1 to 6, characterized in that: The water treatment unit includes a first water baffle, a second water baffle and a third water baffle arranged in sequence, a filter tank is formed between the first water baffle and the second water baffle, a biochemical tank is formed between the second water baffle and the third water baffle, an opening for water flow is provided at the bottom end of the first water baffle, and an opening for water flow is provided at the top end of the second water baffle.

8. The circulating water aquaculture pond according to claim 7, characterized in that: A filtering filler is arranged in the filtering tank, a biochemical filler is arranged in the biochemical tank, and a third oxygen supply pipe is arranged below the biochemical filler.

9. The circulating water aquaculture pond according to claim 8, characterized in that: The side wall of the third water baffle away from the second water baffle is also connected to an overflow groove, the top of the third water baffle is provided with an opening for water to flow from the biochemical tank into the overflow groove, and the return pipe is connected to the overflow groove.

Images