CN210470697U - Australia freshwater lobster industrial aquaculture system - Google Patents

Abstract

The utility model discloses an Australia freshwater lobster industrial aquaculture system relates to freshwater lobster and breeds the field. Solves the technical problems of large culture area, water resource waste and low yield in the prior art. The system comprises a filtering system at the upper part, a three-dimensional high-density culture system, a concentrated backwater filtering box at the lower part and a concentrated backwater supplying and returning pipeline system. The utility model discloses a Australia freshwater lobster batch production farming systems can reach the effect that harmless cyclic utilization of water, external zero release, high density were bred and are improved freshwater lobster output, has realized Australia freshwater lobster's scientific breed.

Description

Australia freshwater lobster industrial aquaculture system

Technical Field

The utility model belongs to freshwater lobster aquaculture field, concretely relates to Australia freshwater lobster batch production farming systems.

Background

The traditional culture method is used for culturing the Australia crayfish by two culture methods of planting water and grass in a common pond or a pond. In the two culture modes, a large water surface is needed as a culture pond, and water resources are wasted; secondly, no filter system is arranged in each culture pond, so that the water environment is not easy to control, the circulation of the culture water body is insufficient, and the steady state of the water environment is easy to destroy; the factors determine that the yield per mu of the culture mode is very low, only 300 to 500 jin per mu, if the control is not good, 100 jin per mu, the culture yield is low, and the benefit is low; secondly, a complete and scientific culture system is not formed in the whole culture system, the whole culture process needs to be judged by the experience of a culturist seriously, scientific data acquisition and precise management cannot be carried out, and the extensive culture mode seriously hinders the domestic development of the Australian crayfish. And at present, no three-dimensional factory high-density culture system for Australia crayfish exists in China.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a australia freshwater lobster batch production farming systems adopts three-dimensional structure, has reached the harmless cyclic utilization of water, has outwards zero release, the effect that high density bred and improves freshwater lobster output, has realized the scientific of australia freshwater lobster and has bred simultaneously.

The utility model adopts the technical proposal that:

an industrial aquaculture system for Australia freshwater lobsters comprises a plurality of upper-layer filter tanks, high-density aquaculture tanks, concentrated backwater filter tanks and a support, wherein the upper-layer filter tanks, all the high-density aquaculture tanks and the concentrated backwater filter tanks are fixedly arranged on the support from top to bottom in sequence; a planting area is arranged in the upper-layer filter box, and a first filter area and a fermentation decomposition filter bag are arranged below the planting area; the first filtering area is communicated with the concentrated backwater filtering tank through a water distribution main pipe, the water distribution main pipe is provided with a plurality of water distribution branch pipes, and one water distribution branch pipe correspondingly supplies water to one high-density culture tank; a water pump is arranged in the concentrated backwater filter tank and is communicated with the fermentation decomposition filter bag through a concentrated water supply pipe; all the high-density culture tanks are provided with limiting water return pipes communicated with the high-density culture tanks, all the limiting water return pipes are communicated with a concentrated water return main pipe, and the lower end of the concentrated water return main pipe is communicated with the concentrated water return filter tank.

Further, the planting area is a planting substrate or a planting floating plate.

Further, a partition plate is arranged between the first filtering area and the planting area, the upper layer of the filtering box is divided into an upper layer and a lower layer by the partition plate, and a through hole is formed in the partition plate.

Further, a check valve is arranged on the centralized water supply pipe.

Further, the branch water pipe is provided with an adjusting ball valve.

Furthermore, a water return and suction prevention cover is arranged on the outer side of the limiting water return pipe and is of a hollow structure.

Furthermore, a baffle is arranged in the concentrated backwater filter box, the concentrated backwater filter box is divided into a second filter area and a pump bin by the baffle, a notch is formed in the bottom end of the baffle, and the water pump is arranged in the pump bin.

Further, a volcanic rock or a biochemical ball or cobblestone is arranged in the first filtering area, and a brush or a biochemical ball is arranged in the second filtering area.

Further, be provided with overflow return water in the upper filter tank and be responsible for, overflow return water is responsible for the lower extreme and the second filtering area intercommunication, overflow return water is responsible for and is provided with overflow back flow and the constant current water return pipe rather than the intercommunication, overflow return pipe top is located the baffle top, constant current water return pipe top is located the below of baffle, be provided with electronic ball valve on the constant current water return pipe, electronic ball valve is located overflow return pipe with the top of overflow return water is responsible for the connecting portion, electronic ball valve is provided with the timing control switch.

Further, artificial caves are arranged in the high-density cultivation box, and the artificial caves are structural members made of volcanic rocks, cobblestones, concrete blocks or PVC (polyvinyl chloride) or PC (polycarbonate).

Further, the upper filter box, the high-density culture tank and the concentrated backwater filter box are made of PP plate materials or PVC mesh fabric materials or geomembrane materials.

The utility model has the advantages that:

the utility model provides a factory culture system for Australia freshwater lobsters, the upper filter box is internally provided with a planting area, the lower part of the planting area is provided with a first filter area and a fermentation decomposition filter bag, the first filter area is communicated with a concentrated backwater filter box through a water distribution main pipe, the concentrated backwater filter box is internally provided with a water pump, the water pump is communicated with the fermentation decomposition filter bag through a concentrated water supply pipe, the water distribution main pipe is provided with a plurality of water distribution branch pipes, one water distribution branch pipe correspondingly supplies water to one high-density culture box, the high-density culture boxes are all provided with limiting backwater pipes communicated with the high-density culture boxes, the limiting backwater pipes are all communicated with a concentrated backwater main pipe, and the lower end of the concentrated; waste water (containing organic matters such as fish and shrimp manure, residual bait and the like) generated in the high-density culture box enters the concentrated backwater main pipe through the limiting backwater pipe and returns to the concentrated backwater filter box, the waste water is conveyed to the fermentation decomposition filter bag through the water pump, macromolecular organic matters (such as fish and shrimp manure and residual bait) are fermented, hydrated and decomposed into micromolecular salt in the fermentation decomposition filter bag, the micromolecular salt enters a first filter area through meshes of the fermentation decomposition filter bag, the micromolecular salt is decomposed into nitrate by microorganisms in the first filter area, the nitrate provides nutrition for plants in a planting area, the nutrition is absorbed and utilized by the plants, water filtered by the first filter area enters the high-density culture box through a water distribution branch pipe on the water distribution main pipe to supply water to the Australia freshwater lobster, a high-concentration circulating system is formed, and a good water environment is provided for the whole culture process of the Australia freshwater lobster through the circulating system designed, the problem of current aquaculture pond mesoaquatic environment unstable is solved, can put in more australia freshwater lobster improvement breed density in guaranteeing the farming systems, and then improved the final output of australia freshwater lobster, reduced the waste of water resource simultaneously. The problem of surplus nitrate in a water body is solved by designing planting plants in a planting area, and the situation that the nitrate with too high concentration is converted into nitrite to poison Australian freshwater lobsters is prevented; the root system of the plant in the planting area can absorb and solidify the nitrate in the water body in time, and the nitrate is extracted from the water body to further purify the water body. Upper filter box, all high density breed casees, concentrate return water filter box top-down fixed setting in proper order be three-dimensional high density farming systems on the support, through being three-dimensional high density farming systems with this system design, can improve the volume of raising of unit area australia freshwater lobster, reduced the usable floor area on soil when realizing high density breed, also can utilize idle open space, mill to carry out indoor outdoor breed. Therefore, the Australia crayfish industrial aquaculture system adopts a three-dimensional circulation structure, achieves the effects of harmless recycling of aquaculture water, zero external emission and high-density aquaculture and improvement of the yield of the crayfish, and simultaneously realizes scientific intensive aquaculture of the Australia crayfish.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic block diagram showing the construction of an industrial aquaculture system for Australia crayfish according to an embodiment;

FIG. 2 is a top view of an artificial nest according to an embodiment;

FIG. 3 is a schematic diagram of a tidal water supply line as described in the examples.

The reference numbers in the figures are:

1. planting a floating plate; 2. a partition plate; 3. a first filtration zone; 4. planting a substrate; 5. fermenting and decomposing the filter bag; 6. a water return suction-proof cover; 7. a limiting water return pipe; 8. a centralized water return main pipe; 9. a centralized water supply pipe; 10. a pump bin; 11. a check valve; 12. a water pump; 13. a second filtration zone; 14. a concentrated backwater filter tank; 15. a support; 16. a water diversion main pipe; 17. a water diversion branch pipe; 18. adjusting a ball valve; 19. the overflow water return main pipe; 20. a high-density cultivation box; 21. an electric ball valve; 22. a constant flow water return pipe; 23. an upper layer filter box; 24. an overflow return pipe; 25. an artificial cave.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1, 2 and 3, the embodiment provides an industrial aquaculture system for australian crayfish, which includes an upper-layer filter tank 23, a high-density aquaculture tank 20, a concentrated backwater filter tank 14 and a support 15, wherein the number of the high-density aquaculture tanks 20 is plural, and the upper-layer filter tank 23, all the high-density aquaculture tanks 20 and the concentrated backwater filter tank 14 are sequentially and fixedly arranged on the support 15 from top to bottom; a planting area for planting plants is arranged in the upper-layer filter box 23, a first filter area 3 and a fermentation decomposition filter bag 5 are arranged below the planting area, and the fermentation decomposition filter bag 5 is a non-woven bag; the first filtering area 3 is communicated with the concentrated backwater filtering tank 14 through a water distribution main pipe 16, the water distribution main pipe 16 is provided with a plurality of water distribution branch pipes 17, and one water distribution branch pipe 17 correspondingly supplies water to one high-density culture tank 20; the concentrated backwater filtering tank 14 is communicated with the fermentation decomposition filtering bag 5 through a concentrated water supply pipe 9, a water pump 12 is arranged in the concentrated backwater filtering tank 14, the water pump 12 is communicated with the fermentation decomposition filtering bag 5 through the concentrated water supply pipe 9, all the high-density culture tanks 20 are provided with limiting backwater pipes 7 communicated with the high-density culture tanks, all the limiting backwater pipes 7 are communicated with a concentrated backwater main pipe 8, and the lower end of the concentrated backwater main pipe 8 is communicated with the concentrated backwater filtering tank 14.

The Australia freshwater lobster industrial culture system based on the structure is characterized in that a planting area is arranged in an upper layer filter box, a first filter area and a fermentation decomposition filter bag are arranged below the planting area, the first filter area is communicated with a concentrated water return filter box through a water distribution main pipe, a water pump is arranged in the concentrated water return filter box, the water pump is communicated with the fermentation decomposition filter bag through a concentrated water supply pipe, the water distribution main pipe is provided with a plurality of water distribution branch pipes, one water distribution branch pipe correspondingly supplies water to one high-density culture box, the high-density culture boxes are respectively provided with a limiting water return pipe communicated with the high-density culture boxes, the limiting water return pipes are respectively communicated with a concentrated water return main pipe, and the lower end of the concentrated; waste water (containing organic matters such as fish and shrimp manure, residual bait and the like) generated in the high-density culture box enters the concentrated backwater main pipe through the limiting backwater pipe and returns to the concentrated backwater filter box, the waste water is conveyed to the fermentation decomposition filter bag through the water pump, macromolecular organic matters (such as fish and shrimp manure and residual bait) are fermented, hydrated and decomposed into micromolecular salt in the fermentation decomposition filter bag, the micromolecular salt enters a first filter area through meshes of the fermentation decomposition filter bag, the micromolecular salt is decomposed into nitrate by microorganisms in the first filter area, the nitrate provides nutrition for plants in a planting area, the nutrition is absorbed and utilized by the plants, water filtered by the first filter area enters the high-density culture box through a water distribution branch pipe on the water distribution main pipe to supply water to the Australia freshwater lobster, a high-concentration circulating system is formed, and a good water environment is provided for the whole culture process of the Australia freshwater lobster through the circulating system designed, the problem of current aquaculture pond mesoaquatic environment unstable is solved, can put in more australia freshwater lobster improvement breed density in guaranteeing the farming systems, and then improved the final output of australia freshwater lobster, reduced the waste of water resource simultaneously. The problem of surplus nitrate in a water body is solved by designing planting plants in a planting area, and the situation that the nitrate with too high concentration is converted into nitrite to poison Australian freshwater lobsters is prevented; the root system of the plant in the planting area can absorb and solidify the nitrate in the water body in time, and the nitrate is extracted from the water body to further purify the water body. Upper filter box, all high density breed casees, concentrate return water filter box top-down fixed setting in proper order be three-dimensional high density farming systems on the support, through being three-dimensional high density farming systems with this system design, can improve the volume of raising of unit area australia freshwater lobster, reduced the usable floor area on soil when realizing high density breed, also can utilize idle open space, mill to carry out indoor outdoor breed. Therefore, the Australia crayfish industrial aquaculture system adopts a three-dimensional circulation structure, achieves the effects of harmless recycling of aquaculture water, zero external emission and high-density aquaculture and improvement of the yield of the crayfish, and simultaneously realizes scientific intensive aquaculture of the Australia crayfish.

Specifically, the planting area is a planting base 4 or a planting floating plate 1, if the planting base is adopted in the planting area, the root system of the plant planted on the planting base is pricked into water to absorb nutrient salt such as nitrate in the water, and the aquaculture water body is purified after absorption. Wherein the planting matrix is made of materials with stable structure and no harmful substances separated out, such as ceramsite, volcanic rock, gravel, river sand and the like; the planting floating plate can be made of light materials which are extruded plastic plates, foam and the like, have density lower than that of water, are easy to process and punch, have stable structure in the water and can not separate out harmful substances, and the planting base 4 or the planting floating plate 1 floats on the water surface of the planting floating plate by the water in the upper filter tank.

Preferably, a partition plate 2 is arranged between the first filtering area 3 and the planting area, the upper layer filtering box 23 is divided into an upper layer and a lower layer by the partition plate 2, the partition plate 2 is arranged above the first filtering area 3, and a through hole for the root of the plant to pass through is formed in the partition plate 2. The arrangement of the partition board 2 can prevent the planting substrate from falling into the first filtering area 3, and simultaneously prevent the planting substrate 4 or the plant root system in the floating plate 1 from falling into the filtering material to pollute the first filtering area 3. The partition board 2 can be made of PP material or PVC material or color steel tile or ceramic tile and other materials which have stable structure in water, do not have harmful substances separated out, are not easy to rust and deform and are not easy to crush.

Preferably, the centralized water supply pipe 9 is provided with a check valve 11, and the check valve 11 can prevent the overflow phenomenon of the siphon water level of the aquaculture water body of the upper filtering tank 23 caused by the power failure of the lower water pump 12 in the water in the upper filtering tank 23.

Preferably, the water knock out leg 17 is provided with an adjusting ball valve 18. The adjusting ball valve 18 adjusts the water inflow of each water diversion branch pipe, supplies water for the high-density culture tank 20 on each layer, and can flush water from the water supply end to the water return end to generate a water pushing effect. Can close water supply system when throwing the fodder, wait australia freshwater lobster to find food and find food after ending, open water supply system and form the incomplete bait that the washing water rivers will not have eaten and the excrement and urine of production, end towards other one end from the intaking of high density breed, then discharge from spacing wet return 7.

Preferably, the limiting water return pipe 7 is vertically arranged in the high-density breeding box 20, the limiting water return pipe 7 is arranged on the opposite side of the water diversion branch pipe 17, a water return absorption-preventing cover 6 is arranged on the outer side of the limiting water return pipe 7, the top of the water return absorption-preventing cover 6 is higher than that of the limiting water return pipe 7, the limiting water return pipe 7 and the water return absorption-preventing cover 6 form an inner-outer double-pipe structure, the water return absorption-preventing cover 6 is a hollow structure, the size of a hollow structure hole can prevent the young lobster seedlings through excrement and residual baits, and the side wall of the water return absorption-preventing cover 6 is water-proof; the mouth of pipe of spacing wet return 7 is less than the top of returning water and preventing inhaling cover 6, such structure just can be with the water drainage of 20 groove bottoms of high density breed case to the mouth of pipe of spacing wet return 7, and flow back along the mouth of pipe, it needs the water to remain lobster life and rest, in 8 entering pump houses 10 of concentrating return water rose box 14 are responsible for through concentrating the wet return, take out the rubbish of bottom along with rivers when the backward flow, prevent to pile up the fermentation in the inslot, for a long time and produce harmful ammonia nitrogen, nitrite, harmful substances such as hydrogen sulfide endanger the breed safety of Australia freshwater lobster.

Preferably, a baffle is arranged in the concentrated backwater filter tank 14, the baffle divides the concentrated backwater filter tank 14 into a second filter area 13 and a pump bin 10, a notch is formed in the bottom end of the baffle, and the water pump 12 is arranged in the pump bin 10. The second filtering area 13 is internally provided with filtering materials such as brushes, biochemical balls and the like, the lower parts of the 13 second filtering areas and the partition part of the pump bin 10 are provided with channels, and water enters the pump bin 10 from the channels. Through placing filtering materials such as brushes, biochemical balls and the like in the lower concentrated backwater filter box 14, the water treatment capacity of the system can be enlarged, and through culturing a large amount of probiotics in the second filter area 13, the water body of the system is subjected to secondary bacterial decomposition treatment and purification. Water flowing back from the high-density cultivation box through the concentrated backwater main pipe 8 enters the pump bin, and the backwater at the position carries a large amount of organic matters such as fish and shrimp manure, residual bait and the like to enter the pump bin, and then is directly absorbed by the water pump through the concentrated water supply pipe 9 and enters the upper fermentation decomposition filter bag, so that the organic matters are not accumulated in the concentrated backwater filter box 14 for a long time and are fermented and decomposed. Meanwhile, the water flowing back to the concentrated backwater filter tank 14 returns to the upper filter tank again through the water pump for filtering and nitration decomposition. The support 15 can be assembled by square tube welding or splicing with the existing shelf. The number of the high-density cultivation boxes is a plurality of high-density cultivation boxes, and the high-density cultivation boxes can be arranged according to specific cultivation areas and requirements, such as three, four, five and the like. The first filtering area and the decomposing area are arranged below the planting area, the fermentation decomposition filter bag is arranged in the decomposing area, the fermentation decomposition filter bag is a non-woven bag, a water supply channel is arranged at the lower end of the partition part of the first filtering area and the decomposing area, water and small molecular salt are decomposed into nitrate from the mesh of the fermentation decomposition filter bag to the decomposing area and then from the decomposing area to the first filtering area, a large amount of microorganisms are cultured in the first filtering area, the small molecular salt is decomposed into nitrate, and the nitrate is absorbed by a plant root system.

Preferably, the first filtering area 3 is internally provided with volcanic rocks or biochemical balls or cobblestones, the second filtering area 13 is internally provided with brushes or biochemical balls, the surface areas of the volcanic rocks and the biochemical balls are large, the structure in water is stable, no harmful substances are separated out, and a large amount of probiotics are cultured on the surfaces of filtering materials such as the volcanic rocks and the biochemical balls to decompose the harmful substances such as bacteria and nitrite.

Preferably, an overflow water return main pipe 19 is arranged in the upper filtering tank 23, the lower end of the overflow water return main pipe 19 is communicated with the centralized water return filtering tank 14, the overflow water return main pipe 19 is provided with an overflow return pipe 24 and a constant flow water return pipe 22 which are communicated with the overflow water return main pipe 19, the top end of the overflow water return pipe 24 is positioned above the partition plate 2, the top end of the constant flow water return pipe 22 is positioned below the partition plate 2, the constant flow water return pipe 22 is provided with an electric ball valve 21, the electric ball valve 21 is positioned above the connection part of the overflow water return pipe 24 and the overflow water return main pipe 19, and the electric ball valve 21 is provided with a timing control. The electric ball valve is in a normally open state at ordinary times, and water entering the filter bag through fermentation decomposition enters the concentrated return water filter tank from the upper opening of the normal flow return water pipe after passing through the filter material to be purified and decomposed by secondary bacteria; when the electric ball valve closes the water level rising, the rising water level starts to overflow when reaching the upper opening of the overflow water return pipe. The overflow water enters the lower concentrated backwater filter tank along the overflow backwater main pipe. In the process that the water level rises from the upper opening of the constant-current water return pipe to the upper opening of the overflow water return pipe, an ascending water level is formed in a planting matrix area, water is supplemented for plants planted in the planting matrix for irrigation, and nutrient salts in water are absorbed and purified by utilizing a plant root system; when the electric ball valve is opened, the water level in the planting substrate begins to fall, and finally the water level falls to the position of the mouth of the water return pipe. In the process of water rising and water falling and in the planting substrate area of the planting groove, tide water level is formed, and automatic irrigation can be formed in the planting area by controlling the opening and closing of the electric ball valve through the timer, so that a good growing environment of plants in the planting area is ensured. The roots generated by a large number of plants planted in the planting area can absorb the nitrate in the water body in time, and the salt poison and the reversion to the nitrite caused by the large amount of accumulated nitrate are prevented. Through the tide setting, for planting the groove planting area and carrying out intermittent type formula tide water supply, guarantee to plant the planting plant in the groove and can have good water environment, realize that automatic irrigation can not die because of lack of water or polywater.

Preferably, artificial caves 25 are arranged in the high-density cultivation box 20, and the artificial caves 25 are structural members made of volcanic rocks or cobblestones or concrete blocks or PVC or PC. The artificial cave device comprises a plurality of artificial caves 25 (for example, fifteen artificial caves 25 are arranged in sequence, the side walls of every two adjacent artificial caves 25 are opposite to each other) and are fixed on the bottom surface of a plate to form a strip-shaped artificial cave device, the artificial cave devices are distributed in the high-density cultivation box 20 uniformly, and a space is reserved between every two adjacent artificial cave devices. The shape of the artificial cave 25 is round, square, triangular, oval or the like, and can be customized according to the needs. The size of artificial cave 25 can be customized as required and set up, for example the size of artificial cave 25 can change according to the different growth stages of Australia freshwater lobster, and the less later stage size grow of initial stage's size is bred. Artificial cave 25 places in the middle part of high density breed case 20, and the access way of australian freshwater lobster is reserved at high density breed case 20 both ends, and the interval that has between two adjacent artificial cave devices also can be as the passageway, and the material platform of throwing of australian freshwater lobster also can be regarded as to this passageway, through throwing the material platform and throwing the foodstuff, australian freshwater lobster forages here, gets into artificial cave after foraging and hides and perch. A large number of artificial caves are the basis for high-density cultivation of Australia crayfish in the system. Therefore, the problems that the hiding and inhabiting space provided for the Australian crayfish is insufficient, most of the Australian crayfish mainly comprises aquatic plants, the inhabiting environment is unstable, the aquatic plants die, the water environment is polluted easily, and the per mu yield of the Australian crayfish is reduced are solved.

Preferably, the upper filter tank 23, the high-density culture tank 20 and the concentrated backwater filter tank 14 are made of a PP plate material, a PVC mesh fabric material or a geo-membrane material, and can contain water without precipitation of harmful substances.

In summary, the system comprises a high-density aquaculture tank for Australian freshwater lobsters, a centralized water supply and return system (comprising a water distribution main pipe, a water distribution branch pipe, a limiting return pipe, a centralized return main pipe, a centralized water supply pipe, a water pump and the like), an upper-layer filter tank and a centralized return filter tank. The Australia freshwater lobster breeding method is characterized in that Australia freshwater lobsters are bred in a high-density breeding box, and artificial caves are arranged in the high-density breeding box to provide an environment for the Australia freshwater lobsters to live and hide, so that higher-density Australia freshwater lobster seedlings can be put in the high-density breeding box, and the Australia freshwater lobsters breeding method is a basis for breeding the Australia freshwater lobsters in a high-density breeding box; secondly, by utilizing the fish and vegetable symbiotic principle, the aquaculture water body is purified in the three-dimensional aquaculture system, so that the aquaculture water body is recycled in the three-dimensional and industrial aquaculture system, the high-density aquaculture box continuously separates the residual bait shrimp dung in the high-density aquaculture tank from the water in a mode of water inlet at one end and water discharge at one end, the organic matters are intensively collected and fermented, the organic matters are converted into nutritive salt harmless to the Australian crayfish through a microbial treatment technology, and finally the nutritive salt is absorbed by a plant root system, so that the water body is thoroughly purified, and the Australian crayfish industrial aquaculture system not only can be used for high-density feeding of the Australian crayfish, but also can be used for breeding Australian crayfish fries indoors. The nutrition strengthening and concentrated feeding of the parent shrimps are carried out in a single small-environment culture tank, so that the health, the nutrition balance and the spawning of the parent shrimps are facilitated, and the foundation for culturing the Australia crayfish seedlings with high quality and high yield is realized. In the three-dimensional, industrial and high-density culture system, each culture box is an independent culture area, and each set of culture system equipment operates independently, so that scientific experiments and data accumulation aiming at basic biological characteristics and biological data of the Australia crayfish are facilitated, and facility conditions are provided for scientific researches in multiple aspects such as Australia crayfish growth factor regulation, nutrition enhancement, character improvement and the like. By establishing the set of standardized scientific Australia crayfish breeding system, the breeding density and the yield of Australia crayfish can be improved, scientific management can be realized, more breeding data can be accumulated, a model is provided for the scientific breeding mode of the Australia crayfish industry, and the breeding industrialization and the intensification are realized.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides an Australia freshwater lobster industrial aquaculture system which characterized in that: the device comprises a plurality of upper-layer filter boxes (23), high-density culture boxes (20), concentrated backwater filter boxes (14) and a support (15), wherein the upper-layer filter boxes (23), all the high-density culture boxes (20) and the concentrated backwater filter boxes (14) are sequentially and fixedly arranged on the support (15) from top to bottom; a planting area is arranged in the upper-layer filtering box (23), and a first filtering area (3) and a fermentation decomposition filtering bag (5) are arranged below the planting area; the first filtering area (3) is communicated with the concentrated backwater filtering tank (14) through a main water distribution pipe (16), the main water distribution pipe (16) is provided with a plurality of branch water distribution pipes (17), and one branch water distribution pipe (17) correspondingly supplies water to one high-density culture tank (20); a water pump (12) is arranged in the concentrated backwater filter tank (14), and the water pump (12) is communicated with the fermentation decomposition filter bag (5) through a concentrated water supply pipe (9); all the high-density culture boxes (20) are provided with limiting water return pipes (7) communicated with the high-density culture boxes, all the limiting water return pipes (7) are communicated with a concentrated water return main pipe (8), and the lower end of the concentrated water return main pipe (8) is communicated with a concentrated water return filter box (14).

2. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: the planting area is a planting substrate (4) or a planting floating plate (1).

3. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: first filtering area (3) with be provided with baffle (2) between the planting district, baffle (2) will upper filter tank (23) are separated into upper and lower two-layer, the through-hole has been seted up on baffle (2).

4. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: the centralized water supply pipe (9) is provided with a check valve (11), and the water distribution branch pipe (17) is provided with an adjusting ball valve (18).

5. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: the limiting water return pipe (7) is provided with a water return suction-preventing cover (6) on the outer side, and the water return suction-preventing cover (6) is of a hollow structure.

6. The factory aquaculture system for Australia crayfish as claimed in claim 3, wherein: the concentrated backwater filter box (14) is internally provided with a baffle, the baffle divides the concentrated backwater filter box (14) into a second filter area (13) and a pump bin (10), the bottom end of the baffle is provided with a notch, and the water pump (12) is arranged in the pump bin (10).

7. The factory aquaculture system for Australia crayfish as claimed in claim 6, wherein: the first filtering area (3) is internally provided with volcanic rocks or biochemical balls or cobblestones, and the second filtering area (13) is internally provided with brushes or biochemical balls.

8. The factory aquaculture system for Australia crayfish as claimed in claim 6, wherein: be provided with overflow return water in the upper filter tank (23) and be responsible for (19), overflow return water is responsible for (19) lower extreme with second filtering area (13) intercommunication, overflow return water is responsible for (19) and is provided with overflow back flow (24) and constant current water return pipe (22) rather than the intercommunication, overflow return pipe top is located baffle (2) top, constant current water return pipe (22) top is located the below of baffle (2), be provided with electric ball valve (21) on constant current water return pipe (22), electric ball valve (21) are located overflow return water with the top of overflow return water is responsible for (19) connecting portion, electric ball valve (21) are provided with the timing control switch.

9. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: an artificial cave (25) is arranged in the high-density cultivation box (20), and the artificial cave (25) is a structural member made of volcanic rocks, cobblestones, concrete blocks or PVC or PC.

10. The factory aquaculture system for Australia crayfish as claimed in claim 1, wherein: the upper-layer filter box (23), the high-density culture tank and the concentrated backwater filter box (14) are made of PP plate materials, PVC mesh fabric materials or geomembrane materials.

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