CN218736660U

CN218736660U - Recirculating aquaculture system

Info

Publication number: CN218736660U
Application number: CN202222800507.8U
Authority: CN
Inventors: 鲍斌; 淳斌; 陈卓; 徐振芳; 王超; 李豪; 辜敏
Original assignee: Sichuan Smart Fishing Machine Technology Co ltd
Current assignee: Sichuan Smart Fishing Machine Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-28
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a recirculating aquaculture system, which comprises a small circulation subsystem and a large circulation subsystem; the small circulation subsystem comprises: a plurality of culture ponds; the fish toilet is communicated with the culture pond; a treatment tank connected with the fish toilet; the first water feeding pump is arranged on a pipeline connected with the fish closestool and the processing barrel; the first baffle is fixed on the inner wall of the treatment barrel; the brush filler and the vesuvianite are placed inside the treatment barrel; the large circulation subsystem comprises: a sedimentation tank in communication with the fish toilet; the micro-filter is communicated with the water inlet of the sedimentation tank; the buffer tank is communicated with the water outlet of the micro-filter; the biological treatment pool is communicated with the water inlet of the culture pool and the water outlet of the buffer pool respectively; and the water delivery pump II is arranged on a connecting pipeline of the buffer tank and the biological treatment tank. The utility model discloses a farming systems has reducible system collapse and the low characteristics of operation power consumption.

Description

Recirculating aquaculture system

Technical Field

The utility model relates to a fishery breeding technology field specifically is a recirculating aquaculture system.

Background

The rapid development of the aquaculture industry plays a significant role in increasing income of fishermen and enriching the supply of urban and rural markets, but the development of the aquaculture industry also brings great pressure to the environment. Aquaculture is an open system, and under the existing aquaculture mode, a water circulation system is used in an industrial aquaculture workshop in order not to waste water resources.

The existing water circulation system is a complete treatment chain, for example, patent "CN101891342A is a recirculating aquaculture system", which comprises an aquaculture pond, a solid dirt separator, a protein separator, a biological purification pond, an aeration tank and an ultraviolet sterilization tank, which are connected in sequence through water pipes, wherein water flows among the aquaculture pond and the protein separator, the biological purification pond, the aeration tank and the ultraviolet sterilization tank in a self-flowing manner, and finally flows into an outdoor aquaculture pond in a self-flowing manner.

Therefore, it is necessary to design a recirculating aquaculture system that can reduce system breakdown and operate with low energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a recirculating water aquaculture system to solve current water circulating system in case take place to collapse or other unexpected circumstances, will lead to whole farming systems paralysed, and then make the water in the breed pond can not get the processing, cause the problem that sewage floods.

In order to solve the technical problem, the utility model provides a following technical scheme: a recirculating aquaculture system, the recirculating aquaculture system comprising: a large circulation subsystem and a small circulation subsystem; wherein the small circulation subsystem comprises: a plurality of culture ponds; the fish toilet is arranged at the bottom of the culture pond, is communicated with the culture pond, and is provided with a first water outlet and a second water outlet on the outer wall, wherein the first water outlet is used for discharging water after the fish toilet is precipitated, and the second water outlet is used for discharging precipitates obtained after the fish toilet is precipitated; the side wall of the bottom end of the treatment barrel is provided with a water inlet which is communicated with the first water outlet of the fish toilet, and a loose joint ball valve is arranged at the water inlet of the treatment barrel; the first water feeding pump is arranged on a pipeline connected with the fish closestool and the processing barrel; the first baffle is fixed on the inner wall of the treatment barrel, so that two cavities are formed in the treatment barrel from top to bottom and are respectively marked as an upper cavity and a lower cavity, a water inlet of the treatment barrel is positioned on the side wall of the lower cavity, and a plurality of first water purification holes are formed in the surface of the outer ring of the first baffle; the inner filter cylinder is vertically arranged in the upper cavity, the bottom end of the inner filter cylinder is fixedly connected with the first baffle plate, and the cylinder wall of the inner filter cylinder is provided with a second water purifying hole which corresponds to a space surrounded by the inner filter cylinder and the treatment barrel; the brush filler is filled in the upper cavity and positioned between the inner filter cylinder and the treatment barrel, and water discharged by the brush filler enters the inner filter cylinder through the second water purification hole and is used for primarily filtering the aquaculture sewage; the volcanic rock is placed inside the inner filter cylinder and is used for adsorbing impurities in the aquaculture sewage; the water suction pump is arranged inside the inner filter cylinder, is communicated with the culture pond and is used for pumping the treated water to the culture pond; the large circulation subsystem comprises the following components which are communicated in sequence: a sedimentation tank, a micro-filter, a buffer tank and a biological treatment tank; wherein, the sedimentation tank is connected with the fish closestool.

Preferably, a water inlet of the sedimentation tank is communicated with a second water outlet of the fish toilet and is used for carrying out sedimentation separation on impurities extracted from the culture tank; the water inlet of the micro-filter is communicated with the water outlet of the sedimentation tank and is used for filtering impurities in the water output by the sedimentation tank; the water inlet of the buffer tank is communicated with the water outlet of the micro-filter and is used for precipitating impurities in the water output by the micro-filter and reducing the flow rate of the water; the biological processor is respectively communicated with the water inlet of the culture pond and the water outlet of the buffer pond, and is used for biologically treating the water precipitated in the buffer pond and conveying the water to the culture pond for cyclic utilization; and a second water delivery pump is arranged on a connecting pipeline between the buffer pool and the biological processor and is used for pumping the water in the buffer pool into the biological processor.

Preferably, the inside of fish closestool is provided with upper water pipe, upper water pipe and first delivery port intercommunication, the top of fish closestool is provided with the filter screen

Preferably, the fish toilet is embedded in the bottom of the culture pond.

Preferably, sewage pipes are arranged at the bottoms of the culture pond, the buffer pond, the sedimentation pond and the biological treatment pond and are connected to the septic tank.

Preferably, a partition plate is fixed inside the inner filter cylinder and arranged below the second water purification hole, the volcanic rock is filled in a space formed by the partition plate and the inner filter cylinder, and the position filled with the volcanic rock corresponds to the second water purification hole.

Preferably, the biological treatment tank is filled with K biological filler.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) The utility model discloses a recirculating water aquaculture system, through being provided with major cycle subsystem and little circulation subsystem, two sets of subsystems handle respectively the lower floor aquaculture water and the middle and upper layer aquaculture water inside the breed pond, when the major cycle subsystem takes place to collapse or other unexpected circumstances, only open little circulation subsystem, just can play the effect of purifying to the middle and upper layer aquaculture water and the suspended impurity inside the breed pond, keep the middle and upper layer aquaculture water inside the breed pond comparatively clean, can effectively reduce because of the unable increase that causes aquatic products to be sick or die of using of major cycle subsystem;

(2) The large circulation subsystem is compact in design, the power of the water pump of the large circulation is reduced, the small circulation subsystem is close to the culture ponds, each culture pond is provided with the independent small circulation subsystem, the power loss is less, the power of the water pump is low, and compared with the existing circulating water culture system with the same volume, the total power consumption is reduced, and the energy can be saved;

(3) Through being provided with volcanic rock and brush filler, earlier filter suspension impurity through the brush filler after sewage gets into the treatment vessel when using little circulation subsystem, and it strains a section of thick bamboo to enter into again, and volcanic rock will adsorb impurity, and simple and easy little circulation subsystem can be handled the inside well upper aquaculture water body of breed pond, has alleviateed the work of major cycle subsystem.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall flow of the large circulation subsystem and the small circulation subsystem of the present invention;

FIG. 2 is a schematic plan view of the large and small circulation subsystems of the present invention;

FIG. 3 is a schematic view of the structure of the treatment tank of the present invention;

FIG. 4 is a schematic perspective view of the treatment tank of the present invention;

FIG. 5 is a schematic structural view of the fish toilet of the present invention;

in the figure: 1. a culture pond; 2. a treatment barrel; 3. a first baffle plate; 4. a first water outlet; 5. a second water outlet; 6. a water inlet; 7. a first water purifying hole; 8. an inner filter cartridge; 9. a sedimentation tank; 10. a micro-filter; 11. a buffer pool; 12. a biological treatment tank; 13. an upper water pipe; 14. filtering with a screen; 15. a partition plate; 16. and a second water purifying hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

A recirculating aquaculture system, comprising: a small circulation subsystem and a large circulation subsystem. Wherein, the small circle subsystem includes: the device comprises a plurality of culture ponds 1, a fish toilet, a treatment barrel 2, a first water feeding pump, a first baffle 3, an inner filter cylinder 8, brush filler, volcanic rocks and a water pump; the large circulation subsystem comprises: a sedimentation tank 9, a micro-filter 10, a buffer tank 11, a biological treatment tank 12 and a second water delivery pump. The small circulation subsystem and the large circulation subsystem can be used for purifying and circulating the cultured water body.

In the small circulation subsystem, the fish toilet is arranged at the bottom of the culture pond 1 and is communicated with the culture pond 1, and a first water outlet 4 and a second water outlet 5 are formed in the outer wall of the fish toilet; a water inlet 6 is arranged on the side wall of the bottom end of the treatment barrel 2, the water inlet 6 is communicated with a first water outlet 4 of the fish toilet, a loose joint ball valve is arranged at the water inlet 6 of the treatment barrel 2, and the loose joint ball valve is used for controlling the communication or closing of the fish toilet and the treatment barrel 2; the first water delivery pump is arranged on a pipeline connected with the fish closestool and the treatment barrel 2 and is used for pumping sewage in the fish closestool into the treatment barrel 2; the baffle I3 is fixed on the inner wall of the treatment barrel 2, so that two cavities are formed in the treatment barrel 2 up and down and are respectively marked as an upper cavity and a lower cavity, the water inlet 6 of the treatment barrel 2 is positioned on the side wall of the lower cavity, and the surface of the outer ring of the baffle I3 is provided with a plurality of water purification holes I7; the inner filter cylinder 8 is vertically arranged in the upper cavity, the bottom end of the inner filter cylinder is fixedly connected with the baffle plate I3, the cylinder wall of the inner filter cylinder is provided with a water purifying hole II 16, and the water purifying hole I7 corresponds to a space enclosed by the inner filter cylinder 8 and the treatment barrel 2; the brush filler is filled in the upper cavity and is positioned between the inner filter cylinder 8 and the treatment barrel 2, and water discharged by the brush filler enters the inner filter cylinder 8 through the second water purification hole 16 and is used for primarily filtering the culture sewage; the volcanic rocks are placed inside the inner filter cylinder 8 and are used for adsorbing impurities in the culture sewage; the water pump is arranged inside the inner filter cylinder 8, is communicated with the culture pond 1 and is used for pumping the treated water to the culture pond 1.

Wherein, in the large circulation subsystem, the sedimentation tank 9 is communicated with the second water outlet 5 of the fish toilet and is used for carrying out sedimentation separation on the impurities extracted from the culture tank 1; the micro-filter 10 is communicated with the water inlet of the sedimentation tank 9 and is used for filtering impurities in the water output by the sedimentation tank 9; the buffer tank 11 is communicated with a water outlet of the micro-filter 10 and is used for precipitating impurities in water output by the micro-filter 10 and reducing the flow rate of the water; the biological processor 12 is respectively communicated with the water inlet of the culture pond 1 and the water outlet of the buffer pond 11, and is used for biologically treating the water precipitated in the buffer pond 11 and conveying the water into the culture pond 1 for cyclic utilization; and the second water feeding pump is arranged on a connecting pipeline between the buffer pool 11 and the biological processor 12 and is used for pumping the water in the buffer pool 11 into the biological processor 12.

An upper layer water pipe 13 is vertically arranged at the bottom inside the fish toilet, and the upper layer water pipe 13 is communicated with the first water outlet 4 and used for discharging sewage at the upper layer in the culture pond 1; the top of the fish bowl is provided with a sieve 14 to prevent fish from escaping from the second outlet 5.

The bottom of the culture pond 1, the bottom of the buffer pond 11, the bottom of the sedimentation pond 9 and the bottom of the biological treatment pond 12 are all provided with sewage pipes, and the sewage pipes are connected to a septic tank to realize the concentrated discharge of solid sediments in the culture water body.

In addition, a partition plate 15 is fixed inside the inner filter cylinder 8, the partition plate 15 is arranged at the lower part of the second water purification hole 16, volcanic rocks are filled in a space formed by the partition plate 15 and the inner filter cylinder 8, the position filled with the volcanic rocks corresponds to the second water purification hole 16, the inner cavity of the inner filter cylinder 8 in the partition plate is divided into an upper part and a lower part, the side wall of the upper part inside the inner filter cylinder 8 corresponds to the second water purification hole 16, the amount of the volcanic rocks filled inside the inner filter cylinder 8 is reduced, the cost is reduced, and meanwhile, water treated by the brush filler can enter the inner filter cylinder 8 from the second water purification hole 16 and is purified again by the volcanic rocks.

The large circulation subsystem and the small circulation subsystem are started simultaneously:

the lower layer of aquaculture water and the excrement residual bait in the aquaculture pond are discharged from the fish toilet bowl (the excrement residual bait is discharged outside a large circulation system from a water outlet I, and the aquaculture water is discharged into a sedimentation tank from a water outlet II), sewage entering the sedimentation tank is subjected to sedimentation separation in the sedimentation tank, the separated upper layer of sewage enters a micro-filter for filtration treatment to remove most of solid impurities, the treated sewage is discharged into a buffer tank for standing sedimentation separation again, and finally is sent into a biological treatment tank by a water pump II for biological treatment, and the treated water is discharged into the aquaculture pond again;

breed the inside middle and upper aquaculture water body of pond and suspended impurity and will pass through the loose joint ball valve by the water pump and go into in the processing barrel, at first sewage gets into cavity down, will arrive in the cavity through water purification hole after the cavity is full of this moment, the brush filler will filter sewage this moment, sewage is constantly at the inside rising of last cavity, when reacing water purification hole two, sewage will enter interior section of thick bamboo of straining, interior volcanic rock that strains in the section of thick bamboo will carry out impurity adsorption to sewage, and then reach the purpose of water purification, the water that rises to interior filter section of thick bamboo upper portion just has been purified and finishes, go into the breed pond by the water pump that the suction pump will handle the water that finishes.

If the major cycle subsystem collapses or other unexpected circumstances, only open the minor cycle subsystem, just can just play the effect of purifying to the inside middle and upper aquaculture water body in breed pond and suspended impurity, keep the inside middle and upper aquaculture water body of breed pond comparatively clean, can effectively reduce because of the unable increase that causes aquatic products to be sick or die that uses of major cycle subsystem.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A recirculating aquaculture system which is characterized in that: the recirculating aquaculture system includes: a large circulation subsystem and a small circulation subsystem;

wherein the small-cycle subsystem comprises:

a plurality of culture ponds (1);

the fish toilet is arranged at the bottom of the culture pond (1), is communicated with the culture pond (1), and is provided with a first water outlet (4) and a second water outlet (5) on the outer wall, wherein the first water outlet (4) is used for discharging water after sedimentation in the fish toilet, and the second water outlet (5) is used for discharging sediment obtained after sedimentation in the fish toilet;

the side wall of the bottom end of the treatment barrel (2) is provided with a water inlet (6), the water inlet (6) is communicated with the first water outlet (4) of the fish toilet, and a loose joint ball valve is arranged at the water inlet (6) of the treatment barrel (2);

the first water feeding pump is arranged on a pipeline connecting the fish closestool and the processing barrel (2);

the first baffle plate (3) is fixed on the inner wall of the treatment barrel (2), so that two cavities are formed in the treatment barrel (2) from top to bottom and are respectively marked as an upper cavity and a lower cavity, a water inlet (6) of the treatment barrel (2) is positioned on the side wall of the lower cavity, and a plurality of first purified water holes (7) are formed in the surface of the outer ring of the first baffle plate (3);

the inner filter cylinder (8) is vertically arranged in the upper cavity, the bottom end of the inner filter cylinder is fixedly connected with the baffle plate I (3), the cylinder wall of the inner filter cylinder is provided with a water purification hole II (16), and the water purification hole I (7) corresponds to a space enclosed by the inner filter cylinder (8) and the treatment barrel (2);

the brush filler is filled in the upper cavity and is positioned between the inner filter cylinder (8) and the treatment barrel (2), and water discharged by the brush filler enters the inner filter cylinder (8) through the second water purification hole (16) and is used for primarily filtering the culture sewage;

the volcanic rock is placed inside the inner filter cylinder (8) and is used for adsorbing impurities in the aquaculture sewage; and

the water pump is arranged inside the inner filter cylinder (8), is communicated with the culture pond (1) and is used for pumping the treated water to the culture pond (1);

the large circulation subsystem comprises the following components which are sequentially communicated: a sedimentation tank (9), a micro-filter (10), a buffer tank (11) and a biological treatment tank (12); wherein the sedimentation tank (9) is connected with a fish toilet.

2. The recirculating aquaculture system of claim 1, wherein:

a water inlet of the sedimentation tank (9) is communicated with a second water outlet (5) of the fish toilet and is used for carrying out sedimentation separation on the impurities extracted from the culture tank (1);

a water inlet of the micro-filter (10) is communicated with a water outlet of the sedimentation tank (9) and is used for filtering impurities in the water output by the sedimentation tank (9);

the water inlet of the buffer tank (11) is communicated with the water outlet of the micro-filter (10) and is used for precipitating impurities in the water output by the micro-filter (10) and reducing the flow rate of the water;

the biological treatment tank (12) is communicated with the water inlet of the culture tank (1) and the water outlet of the buffer tank (11) respectively, and is used for carrying out biological treatment on the water precipitated in the buffer tank (11) and conveying the water into the culture tank (1) for cyclic utilization;

and a second water conveying pump is arranged on a connecting pipeline of the buffer pool (11) and the biological treatment pool (12) and is used for pumping the water in the buffer pool (11) into the biological treatment pool (12).

3. The recirculating aquaculture system of claim 1, wherein: the inside of fish closestool is provided with upper water pipe (13), upper water pipe (13) and first delivery port (4) intercommunication, the top of fish closestool is provided with filter screen (14).

4. The recirculating aquaculture system of claim 1 wherein: the fish closestool is embedded at the bottom of the culture pond (1).

5. The recirculating aquaculture system of claim 2, wherein: the bottom of the culture pond (1), the buffer pond (11), the sedimentation pond (9) and the biological treatment pond (12) are all provided with a sewage discharge pipeline which is connected to the septic tank.

6. The recirculating aquaculture system of claim 1, wherein: the inside of interior filter cylinder (8) is fixed with baffle (15), baffle (15) set up in the below of two (16) in water purification hole, the volcanic rock is filled in the space that baffle (15) and interior filter cylinder (8) constitute, just the position that the volcanic rock was filled corresponds with two (16) in water purification hole.

7. The recirculating aquaculture system of claim 1, wherein: and the biological treatment tank (12) is filled with K5 biological filler.