CN213939376U

CN213939376U - Distributed recirculating aquaculture device of sea water

Info

Publication number: CN213939376U
Application number: CN202023111068.7U
Authority: CN
Inventors: 侯宗元
Original assignee: Guangxi Wooden Shell Technology Co ltd
Current assignee: Guangxi Wooden Shell Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-13
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a distributed circulating water aquaculture device of seawater, which comprises an aquaculture barrel, a water treatment device and an oxygenation device, wherein the aquaculture barrel is a conical barrel with a big top and a small bottom, the bottom of the aquaculture barrel is provided with a feeding disc and an oxygenation pipe, the top of the barrel is provided with a water supply pipe and an anti-escape net, the lowest part of the conical barrel bottom is provided with a water outlet, an anti-overflow drain pipe is arranged above the water outlet, a water outlet pipe with a control switch is arranged below the water outlet, the water outlet pipe is communicated with the water treatment device through a backwater main pipe, a plurality of aquaculture barrels are arranged into a multi-row and multi-row distribution layout, a glass fiber reinforced plastic grid type pedestrian frame is arranged between every two rows, the water treatment device comprises a micro-filter, a protein separator, a sewage suction device and a biological biochemical pond, the micro-filter can realize full-automatic backwashing, and is provided with a water inlet pipe and a, the barrel is arranged in the pipe for installing the water pump.

Description

Distributed recirculating aquaculture device of sea water

Technical Field

The utility model belongs to the technical field of aquaculture, concretely relates to distributed recirculating aquaculture device of sea water.

Background

Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. Generally comprises the whole process of cultivating aquatic products from seedlings under artificial feeding management. The method can also be used for the proliferation of aquatic resources in a broad sense, and aquaculture can be realized by means of rough culture, intensive culture, high-density intensive culture and the like. The rough culture is to put seedlings in medium and small natural waters and to culture aquatic products such as fish in lakes and reservoirs, shellfish in shallow seas and the like by completely relying on natural baits. Intensive culture is to culture aquatic products such as pond fish culture, net cage fish culture, fence culture and the like in a small water body by using bait casting and fertilizing methods.

Wherein the large-scale discharge is still the main mode of seawater ponds and industrial aquaculture water in China, the aquaculture tail water contains a large amount of excrement of aquaculture organisms and feed which is not ingested, and the aquaculture tail water is discharged into the environment, thus endangering the surrounding ecology. The high-density intensive culture adopts methods of flowing water, controlling temperature, increasing oxygen, feeding high-quality baits and the like to carry out high-density culture in a small water body so as to obtain high yield, such as flowing water high-density fish culture, shrimp culture and the like. Water is an environmental condition for survival and growth of aquatic products, and the quality of water quality directly influences the culture yield. How to adjust the water quality and promote the quick and healthy growth of aquatic products is a problem which always troubles farmers. In the whole culture process, the key and difficult point of the water product technology is to build good and stable water quality. The aquatic product culture is a pollution process, in the middle and later stages of pond culture, the aquatic products are mainly fed with artificial compound feed, residual baits and excrement of the aquatic products are continuously accumulated, animal and plant corpses are continuously increased, the residual baits, the excrement and the animal and plant corpses are deposited at the bottom of a pond to be subjected to anaerobic decomposition, a large amount of harmful substances are generated, water quality and substrate are spoiled, and the culture environment is deteriorated, and the process is mainly characterized in that: 1. the biological oxidation and decomposition at the bottom of the pool consumes a large amount of oxygen, so that aquatic products are in a low-oxygen environment, and the physique and disease resistance of the aquatic products are reduced; 2. excessive nutrition remains, and a large amount of facultative anaerobes decompose organic substances in a low-oxygen environment to generate a large amount of intermediate products such as ammonia nitrogen, nitrite, hydrogen sulfide, organic acid and the like, so that serious toxic effects on aquatic products are caused; 3. excessive nutrition in the bottom mud is released, so that water eutrophication is caused, meanwhile, trace nutrients such as calcium, magnesium, iron, manganese and the like are deposited on the bottom mud in the form of insoluble salt and are difficult to release due to acidification at the bottom, so that nutrition imbalance is caused, the growth of beneficial algae is inhibited, and the blue algae, dinoflagellate and the like which like abundant nutrition become dominant species, so that the water quality is deteriorated; 4. the environment with low oxygen and high nutrition enables pathogenic bacteria such as vibrio and the like to be rapidly propagated, so that diseases and even death of aquatic products occur. At present, the purpose of regulating and controlling the water quality of aquatic product culture is to reduce organic matters in a water body, and further reduce the biological oxygen consumption and the nutrient balance of a pond. The improvement of dissolved oxygen can inhibit the propagation of anaerobic bacteria such as vibrio, simultaneously reduce the accumulation of reductive toxic substances, inhibit the growth of blue-green algae and dinoflagellate, facilitate the growth of beneficial algae such as green algae and diatom, stabilize bacterial phase and algal phase and improve the disease resistance of aquatic products. The existing water quality regulation and control methods for aquatic product pond culture mainly comprise three water quality regulation and control methods of a physical method, a chemical method and a biological method, wherein the biological method is commonly used, but the methods have high treatment cost, low success rate, poor operability or insignificant effect. The most commonly used method for regulating and controlling the water quality of the pond culture of aquatic products is the algae bacteria regulating and controlling technology, which degrades and converts culture metabolites and residual baits through the combined action of floating microalgae and beneficial bacteria, regulates the water quality, inhibits the breeding of harmful bacteria and harmful microorganisms, and creates an ecological environment suitable for the growth of aquatic products. The main technical scheme is as follows: selecting the weather with sufficient sunlight, putting inorganic composite nutrients, organic composite nutrients and trace elements with good solubility and proper proportion into the pond, and culturing beneficial microalgae; regularly and uniformly putting bacillus into the pond in the culture process, putting photosynthetic bacteria, lactic acid bacteria and the like according to the water quality condition, and keeping the dominant ecological niche of the beneficial bacteria in the pond; and the molasses is used for supplementing a carbon source in the middle and later stages of cultivation, so that the stability of a bacterial phase and an algae phase is promoted. However, the stability of the phycomycete regulation and control technology is poor, and common farmers are difficult to master; during algae cultivation, most of the matched nutrients thrown into the pond are agricultural fertilizers, so that the agricultural fertilizers are difficult to uniformly spread, only a small part of the nutrients are utilized by the algae, and most of the nutrients are absorbed by bottom mud, so that more organic matters are generated at the bottom of the pond, the deterioration of the bottom is caused, and the excessive propagation of harmful algae such as blue algae is easily caused; the microalgae population structure in the pond is easy to change along with the change of environmental conditions, and the 'algae phase' is unstable; when beneficial bacteria and photosynthetic bacteria are put into the pond, most organic matters to be degraded are positioned at the bottom of the pond and are not uniformly distributed, and fungi cannot be purposefully scattered to a target substrate, so that resources are wasted; the lactobacillus belongs to anaerobic bacteria, and the activity of the lactobacillus in the upper layer of the water body, particularly in oxygen-enriched areas such as the vicinity of an aerator and the like, is greatly reduced; the photosynthetic bacteria lack substrates for decomposition when in the upper layer of water, and cannot play a role because of insufficient light when the bottom of the pool is close to the substrates; in addition, some microorganisms such as bacillus consume oxygen seriously in the nitrification process, and can consume dissolved oxygen in the water body directly in the pond, so that the growth of water products is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and providing a distributed circulating water aquaculture device for seawater.

The purpose of the utility model is realized through following mode:

a distributed circulating water culture device of seawater comprises a culture barrel, a water treatment device and an oxygenation device, wherein the culture barrel is a conical barrel with a big top and a small bottom, the bottom of the conical barrel is conical, a feeding disc and an oxygenation tube are arranged in the barrel, a water feeding tube and an anti-escape net are arranged on the top of the barrel, a water outlet is arranged at the lowest position of the conical barrel bottom, an anti-overflow drain tube is arranged above the water outlet, a water outlet tube with a control switch is arranged below the water outlet, the water outlet tube is communicated with the water treatment device through a backwater main pipe, a plurality of culture barrels are arranged in a multi-row distribution arrangement, a glass fiber reinforced plastic grid type pedestrian frame is arranged between every two rows of culture barrels, the water treatment device comprises a micro-filter, a protein separator, a sewage suction device and a biological biochemical pond, the micro-filter can be back-flushed automatically, a water inlet tube and a water outlet tube are arranged, the water inlet tube is communicated with the backwater main pipe, and a multi-row cylindrical barrel is arranged in the tube for installing a water pump, the water outlet pipe is communicated with the protein separator and the biological biochemical tank through pipelines, the biological biochemical tank is divided into a biological filtering area, a disinfection and sterilization area and a water supply area from left to right, each partition board is provided with a water passing port and a bottom is provided with a sewage suction device, the oxygenation device comprises a fan and an oxygenation main pipe, and the fan is communicated with the aeration pipe through the oxygenation main pipe to oxygenate the culture barrel and the biological biochemical tank.

Preferably, the anti-overflow drain pipe divide into inner tube, outer tube and filter screen, the inner tube cover on the delivery port of breeding the bucket, the pipe lower extreme is equipped with the pore apopore all around, the overcoat has the outer tube, the pipe lower extreme of outer tube be equipped with the macropore apopore all around, the apopore outside is wrapped and is had the filter screen.

Preferably, the biological filtration area is divided into four chambers, namely a water adjusting chamber, a volcanic rock bacteria culturing chamber, a hairbrush bacteria culturing chamber and a polyethylene or polypropylene suspended filler bacteria culturing chamber from left to right, wherein water passing ports are formed in the partition plates of the chambers at intervals from the front top to the rear bottom respectively to enable the bacteria culturing chambers to be communicated with each other, and the leftmost water adjusting chamber is communicated with a water outlet pipe of the protein separator.

Preferably, the bottom of each cultivation room is designed into a V-shaped bottom, and the lowest part of each cultivation room is provided with a sewage suction pipe.

Preferably, the water pump is a horizontal pushing type water pump, water in the cultivation barrel is pumped to the water treatment device for treatment, the water level kept in the cultivation barrel cannot be higher than the water level kept in the water supply area, and the height difference between the cultivation barrel and the water supply area cannot be larger than 50 CM.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the aquaculture area is divided into a plurality of aquaculture barrels, so that risks can be dispersed, risks, cost and aquaculture management can be better controlled, if the problem that aquatic products in one aquaculture barrel are sick is found, the aquatic products can be treated independently by closing a control valve for water inlet and outlet, and other aquaculture barrels are prevented from being influenced; 2. the power of the water pump is about 25 percent of the commonly used power under the same flow by using a flat push type, so that the power consumption is greatly reduced, the resource waste is reduced, and the industrial culture becomes a low-energy-consumption culture mode; 3. the water treatment device is formed by sequentially arranging three bacteria culture materials of volcanic rock, brush, polyethylene or polypropylene suspended filler, is very beneficial to the reproduction of nitrobacteria, nitrosobacteria and denitrifying bacteria and can accelerate the improvement of water treatment capacity, so that the water treatment device can treat various harmful substances (such as ammonia nitrogen, nitrite, hydrogen sulfide, protein and the like) generated in the culture process, the water quality after treatment is very suitable for the growth of aquatic products, meanwhile, the water body can be kept stable for a long time, the water treatment device is very suitable for the factory-like and high-density culture of the aquatic products, and the waste of water resources is greatly reduced by using circulating water culture; 4. the whole process is the cultivation without algae, so that the harm of the algae to aquatic products is greatly reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the cultivation barrel of the utility model.

Fig. 3 is a schematic view of the anti-overflow drain pipe of the present invention.

Fig. 4 is a plan view of the water treatment apparatus of the present invention.

Fig. 5 is a schematic structural view of the biological filtration zone of the present invention.

In the figure, 1-a culture barrel, 2-a water supply pipe, 3-a protein separator, 4-a main water supply pipe, 5-an anti-escape net, 6-a glass fiber reinforced plastic grid type pedestrian frame, 7-a feeding tray, 8-an anti-overflow drain pipe, 9-a main oxygen supply pipe, 10-a sterilizing lamp, 11-a water supply area, 12-a sterilizing area, 13-a biological filtering area, 14-polyethylene or polypropylene suspension filler, 15-a brush, 16-a biological biochemical tank, 17-a main water return pipe, 18-a control box, 19-a micro-filter, 20-a fan, 21-a water pump, 22-a water pump and 23-vesuviate.

Detailed Description

Referring now to the drawings in further detail, it is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-5, the cultivation barrel 1 is a conical barrel with a large top and a small bottom, a feeding tray 7 and an oxygen adding pipe 901 are arranged in the barrel, a water supply pipe 2 and an escape-proof net 5 are arranged on the top of the barrel, a water outlet is arranged at the lowest conical position of the barrel bottom 101, an overflow-proof drain pipe 8 is arranged above the water outlet, a water outlet pipe 102 is arranged below the water outlet, a control switch 103 is arranged on the water outlet pipe 102 communicated with a water treatment device through a return water main pipe 17, a plurality of cultivation barrels 1 are arranged in multiple rows and multiple rows, and a glass fiber reinforced plastic grid type pedestrian frame 6 is arranged between every two rows. The water supply pipe 2 is provided with a switch 201 for controlling the water supply quantity, and the front and the back of the glass fiber reinforced plastic grid type pedestrian frame 6 are provided with an upper step 601 and a lower step 601.

The anti-overflow drain pipe 8 divide into inner tube 801, outer tube 802 and filter screen 803, inner tube 801 cover on breeding the delivery port of bucket 1, be equipped with pore apopore 805 around the pipe lower extreme, the overcoat has outer tube 802, the pipe lower extreme of outer tube 802 be equipped with macropore apopore 804 all around, the apopore outside is wrapped with filter screen 803, can prevent like this that aquatic products from running out from the delivery port, anti-overflow drain pipe 8 highly will be than breeding bucket 1 low 10-20 cm.

The water treatment device comprises a micro-filter 19, a protein separator 3, a sewage suction device and a biological biochemical pool 16, wherein the micro-filter 19 can be fully automatically back-flushed and is provided with a water inlet pipe 1902 and a water outlet pipe 1901, the water inlet pipe 1902 is communicated with a water return main pipe 17, a round barrel 1903 is arranged in the pipe for installing a water pump 21, and the water outlet pipe 1901 is communicated with a water inlet pipe 301 of the protein separator 3.

The protein separator 3 is used for treating protein in water and is provided with a water inlet pipe 301, a water outlet pipe 302 and a water adjusting room 161 of the biological filtering area 13 which are communicated with water.

The water pump 21 is a flat push type water pump, water in the breeding barrel 1 is pumped to the water treatment device for treatment, the water level kept in the breeding barrel 1 cannot be higher than the water level kept in the water supply area 11, and the height difference between the water level and the water level cannot be larger than 50 CM.

The control box 18 controls the operation of the micro-filter 19, the fan 2, the water pump 21, the water pump 22 and the protein separator 3,

the biological biochemical pool 16 is divided into three areas from left to right, namely a biological filtering area 13, a disinfecting and sterilizing area 12 and a water supply area 11, wherein each partition plate is provided with a water passing opening 136, and the bottom of each partition plate is provided with a sewage suction device.

The biological filtering area 13 is divided into four chambers, which are respectively a water adjusting chamber 161, a volcanic rock bacteria cultivating chamber 131, a hairbrush bacteria cultivating chamber 132 and a polyethylene or polypropylene suspended filler bacteria cultivating chamber 133 from left to right, wherein water passing ports 136 are alternately formed in the partition plates from the front top to the rear bottom to enable the bacteria cultivating chambers to be communicated with each other, and the leftmost water adjusting chamber 161 is communicated with a water outlet pipe 302 of the protein separator 3. The biological filter area 13 is sequentially formed by arranging three bacteria culture materials, namely, volcanic rock 23, a brush 15 and a polyethylene or polypropylene suspension filler 14, so that propagation of nitrobacteria, nitrosobacteria and denitrifying bacteria is facilitated, the water treatment capacity can be improved with higher speed, the bacteria culture quantity ensures that water treated by various harmful substances (such as ammonia nitrogen, nitrite and hydrogen sulfide) generated in the culture process is suitable for growth of aquatic products, and the water outlet 136 is designed from the front top to the rear bottom in a staggered mode to increase the water stroke, so that the harmful substances are treated more fully by the water body.

The bottoms of the volcanic rock bacteria cultivating room 131, the brush bacteria cultivating room 132, the polyethylene or polypropylene suspension filler bacteria cultivating room 133 and the disinfection and sterilization area 12 are all set to be V-shaped 135, the lowest part of the volcanic rock bacteria cultivating room is provided with a sewage suction pipe 222, so that the old and dead bacteria are pumped away to prevent the influence of the old and dead bacteria on water, and the sewage suction pipe 222 is provided with a pore.

The volcanic rock bacteria culture room 131 is characterized in that a supporting plate 137 is arranged above the conical bottom 135, the volcanic rock 23 is placed, and a brush 15 is arranged above the volcanic rock 23.

The sewage suction device comprises a water suction pump 22 and a sewage suction pipe 222, the water suction pump 22 is provided with a water inlet pipe 221 and a water outlet pipe 223, the water outlet pipe 221 is communicated with the sewage suction pipe 222, the water outlet pipe 223 supplies water for the micro-filter 19, and the micro-filter 19 is reused after being filtered cleanly, so that the waste of water is reduced.

The sterilizing lamp 10 comprises an ultraviolet sterilizing lamp and an ozone sterilizing lamp, and if the ozone sterilizing lamp is placed in the last process, redundant ozone is removed to prevent the influence on aquatic products.

The oxygenation device comprises a fan 20 and an oxygenation main pipe 9, the fan 20 supplies oxygen to the culture barrel and the biological biochemical pool 16 through oxygenation pipes 901 communicated with the oxygenation main pipe 8 and a plurality of oxygenation pipes 903, and each oxygenation pipe 901 (903) is a nano aeration pipe for water and is provided with a switch 902 for controlling the air volume.

The water circulation process: the sewage in each cultivation barrel 1 enters a return main pipe 17 through a water outlet and enters a micro-filter 19 for physical filtration through a water inlet pipe 1902 of a water supply micro-filter of a water pump 21, a filtered water outlet pipe 1901 enters a protein separator 13 through the water inlet pipe, the water is deproteinized and then is communicated with a biological filtration area 13 from a water outlet pipe 302 for water supply, ammonia nitrogen and nitrite are removed through bacteria cultured by an indoor water volcanic rock 23, a brush 15 and polyethylene or polypropylene suspension packing 14, so that the ammonia nitrogen and the nitrite are in a reasonable range, the treated water enters a disinfection and sterilization area from a right water outlet 136 and is disinfected and sterilized by a plurality of disinfection light pipes 10, then enters a water supply area 11 through a water outlet, and clean water flows into a water main pipe 4 from a water outlet 401 and then is distributed to each water supply pipe 2 for water supply of each cultivation barrel 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A distributed circulating water culture device of seawater comprises a culture barrel, a water treatment device and an oxygenation device, and is characterized in that the culture barrel is a conical barrel with a big top and a small bottom, the bottom of the conical barrel is provided with a feeding disc and an oxygenation pipe, the top of the barrel is provided with a water supply pipe and an anti-escape net, the lowest part of the conical barrel bottom is provided with a water outlet, an anti-overflow drain pipe is arranged above the water outlet, a water outlet pipe with a control switch is arranged below the conical barrel bottom, the water outlet pipe is communicated with the water treatment device through a backwater main pipe, a plurality of culture barrels are arranged in a multi-row and multi-row distribution arrangement, a glass fiber reinforced plastic grid type pedestrian frame is arranged between every two rows, the water treatment device comprises a micro-filter, a protein separator, a sewage suction device and a biological biochemical tank, the micro-filter can be fully automatic and is provided with a backwash water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the backwater main pipe, the biological biochemical pond is divided into three areas from left to right, namely a biological filtering area, a disinfection and sterilization area and a water supply area respectively, each partition plate is provided with a water passing opening, the bottom of each partition plate is provided with a sewage suction device, the oxygenation device comprises a fan and an oxygenation main pipe, and the fan is communicated with an aeration pipe through the oxygenation main pipe to oxygenate the culture barrel and the biological biochemical pond.

2. The decentralized seawater recirculating aquaculture device of claim 1, wherein the overflow-preventing drain pipe comprises an inner pipe, an outer pipe and a filter screen, the inner pipe is sleeved on the water outlet of the aquaculture barrel, the lower end of the pipe is provided with fine water outlet holes around, the outer pipe is sleeved outside, the lower end of the outer pipe is provided with large holes around as water outlet holes, and the filter screen is wrapped outside the water outlet holes.

3. The decentralized circulating water aquaculture device for seawater as claimed in claim 1, wherein said biological filtration area is divided into four compartments, from left to right, comprising a water-adjusting compartment, a volcanic rock cultivation compartment, a brush cultivation compartment, and a polyethylene or polypropylene suspended filler cultivation compartment, wherein the partitions of each compartment are provided with water passing openings alternately from the top to the bottom to communicate the cultivation compartments, and the left-most water-adjusting compartment is communicated with the water outlet pipe of the protein separator.

4. The decentralized circulating water aquaculture device of claim 3, wherein the bottom of each cultivation room is tapered, and the lowest part of each cultivation room is provided with a sewage suction pipe.

5. The decentralized seawater recirculating aquaculture device of claim 1, wherein said water pump is a horizontal pushing water pump, which pumps water in the aquaculture tank to the water treatment device for treatment, and the water level in the aquaculture tank cannot be higher than the water level in the water supply area, and the height difference between the two water levels cannot be greater than 50 CM.