CN210945241U - Decarbonization device in seawater recirculating aquaculture system - Google Patents

Abstract

The utility model provides a decarbonization device among seawater recirculating aquaculture system, including spraying groove, buffer, supporting part and shower plate, water is provided with the multilayer drainage layer in the buffer and slows down the time of falling under water through the discharge orifice to the buffer that sprays the tank bottom, and the supporting part is used for eating to prop buffer and spray the groove, and the shower plate is located the supporting part lower part, and water falls into biological filter through spraying groove, buffer, supporting part and shower plate in proper order. The utility model discloses can detach the carbon dioxide in the aquaculture water body better, improve quality of water, reduce the breed cost, improve fish growth rate.

Description

Decarbonization device in seawater recirculating aquaculture system

Technical Field

The utility model relates to a sea water circulation breed field, specifically speaking relates to a decarbonization device among sea water circulation water culture system.

Background

The industrial Recirculating Aquaculture System (RAS) is a modern new type of Aquaculture mode. The method integrates the technologies in the fields of modern biology, chemistry, architecture, electronics, informatics, engineering and the like, realizes the cyclic and efficient utilization of aquaculture water through the processes of mechanical filtration, biological filtration, sterilization, oxygenation and the like, has the characteristics of water and land conservation, high yield, high efficiency, stability, controllability, safety, environmental protection and the like compared with the traditional running water aquaculture, meets the strategic requirements of circular economy, energy conservation, emission reduction and economic growth mode conversion proposed by the current country, and is one of the important directions of future development of the aquaculture industry. CO 2₂Is one of the main metabolites in fish culture, CO₂Accumulation in a recirculating aquaculture system can cause various negative effects such as stress, hindered growth and the like on cultured fishes, so that the decarbonization device is an important device in the water treatment link of the recirculating aquaculture system for the fishes. At present, the decarbonization device in the market has high manufacturing cost and is not suitable for being widely applied to industrial recirculating aquaculture. In order to better remove carbon dioxide in aquaculture water, improve water quality, reduce aquaculture cost and improve market competitiveness of the recirculating aquaculture industry, a novel decarbonization device with low price and better decarbonization effect needs to be found.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide a decarbonization device among seawater recirculating aquaculture system, can detach the carbon dioxide in the aquaculture water body better, improve quality of water, reduce the breed cost, improve fish growth rate.

The purpose of the utility model is achieved through the following technical measures:

the utility model provides a decarbonization device among seawater recirculating aquaculture system, includes and sprays groove, buffer, supporting part and shower plate, and water is provided with multilayer drainage layer in the buffer and slows down the time that falls under water to the tye of buffer through spraying the tank bottom, and the supporting part is used for eating to prop buffer and spray the groove, and the shower plate is located the supporting part lower part, and water falls into biological filter through spraying groove, buffer, supporting part and shower plate in proper order.

Furthermore, the spraying groove is provided with a plurality of spraying holes which are uniformly distributed at the bottom of the spraying groove.

Furthermore, the aperture of the spray groove is 8mm, and the hole distance is 45 mm.

Further, the buffer part comprises a buffer frame and a mesh sheet filled in the buffer frame.

Further, the mesh size in the mesh sheet is mesh 20.

Furthermore, the water spraying plate is provided with a spraying hole, and water left from the buffer part and the supporting part falls into the biological filter through the spraying hole.

Furthermore, the diameter of the shower hole is 8mm, and the distance between the holes is 45 mm.

Furthermore, the supporting part is of a frame structure, and a space for air circulation is reserved to facilitate full contact between air and water.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that:

the required materials are common, the price is low, the operation is convenient, the space is saved, the decarburization effect is obvious, and the practicability is higher.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The device comprises a spraying tank 1, a polyethylene frame 2, a net sheet 3, a supporting frame 4, a water spraying plate 5, a biological filter 6 and a water spraying plate.

Detailed Description

1. Polyethylene frame 2 for manufacturing filling net 3

Polyethylene frames 2 with an inner diameter 615 x 425 x 345mm and polyethylene mesh sheets 3 of mesh 20 were purchased commercially. The mesh 3 was cut to a length and width of 1500 × 425 mm. The cut mesh 3 is bent and folded to be filled into the polyethylene frame 2.

2. Making the supporting frame 4

The side and bottom surfaces of the polyethylene frame were removed by a cutter to prepare a support frame 4.

3. Manufacture of glass fiber reinforced plastic spray tank 1

The glass fiber reinforced plastic tank is purchased from the market, the length, width and height of the bottom surface are 2900 x 2500 x 150mm, the spraying holes are drilled on the bottom surface, the hole diameter is 8mm, and the hole spacing is 45 mm.

4. Manufacturing a bottom layer glass fiber reinforced plastic water spraying plate 5

The glass fiber reinforced plastic plate with the thickness of 30mm is purchased from the market, and the length and the width of the glass fiber reinforced plastic plate are 3000 mm by 2600 mm. Spraying holes are drilled on the bottom surface, the aperture is 8mm, and the hole distance is 45 mm.

5. Installation of decarbonization apparatus

When the biological filter is installed, a reinforced concrete support frame shaped like a Chinese character 'tian' is built at the position of 2.5m deep in the primary biological filter from bottom to top, and the manufactured glass reinforced plastic water spraying plate 5 with the length and the width of 3000 x 2600mm is placed on the reinforced concrete support frame. Spraying holes are drilled on the bottom surface, the aperture is 8mm, and the hole distance is 45 mm. A polyethylene support frame 4 with side and bottom surfaces removed is placed on the shower plate 5. Then, a polyethylene frame 2 filled with polyethylene mesh sheets 3 is placed on the polyethylene support frame 4, 4-5 layers are placed, and the horizontal distance between the periphery of the frame and the inner wall of the biological pond is 150 mm. After the polyethylene frame 2 is installed, the manufactured spray tank 1 is installed at the position 150mm away from the top of the frame, the length and width of the spray tank 1 are 100mm less than the length and width of the inner diameter of the first-level biological tank, and a gap is reserved to need a reinforced concrete support frame 4 shaped like a Chinese character 'tian'. In the operation process of the system, after the culture wastewater is filtered by the microfiltration machine, the culture wastewater is firstly pumped to the first-stage biological filter 6 by the water pump, passes through the glass fiber reinforced plastic spraying groove 1, is sprayed to enable the culture water to be uniformly sprayed, and then passes through the polyethylene frame 2 filled with the polyethylene net sheets 3, so that the culture water is fully contacted with air, and the water body of the biological filter is fully subjected to gas exchange. Then, the culture water passes through the supporting frame 4 at the bottom layer, passes through the water spraying plate 5 and then enters the secondary biological filter 6 to achieve the decarburization effect.

6. Application of decarbonization device

Through the novel decarbonization device's of contrast installation recirculating aquaculture system A and the novel decarbonization device's of installation recirculating aquaculture system B, except that whether different in the decarbonization device installation in the one-level biological pond, recirculating aquaculture system structure and equipment, environmental parameter (temperature, dissolved oxygen etc. specific parameter value), and the concrete numerical value of two systems such as breed condition (fish specification, breed density, throw the rate of feeding, can tabulation representation) is the same, breed 3 months of survey of carbon dioxide content in the aquaculture system A like table 1, can see out, the content of carbon dioxide is obviously less than the B system of not installing novel decarbonization device in the installation recirculating aquaculture system A of novel decarbonization device. Therefore, the novel decarbonizing device has a good decarbonizing effect, and can better decarbonize carbon dioxide accumulated in a recirculating aquaculture system. It is mentioned above that the carbon dioxide content also has an effect on the growth of the fish, which can be listed below if this data supports, but this is not essential.

TABLE 1 comparison of carbon dioxide content of cultivation System A and cultivation System B

Claims (8)

1. The utility model provides a decarbonization device among seawater recirculating aquaculture system, its characterized in that, including spraying groove, buffer, supporting part and shower plate, water is provided with the multilayer drainage layer in the buffer and slows down the time that falls under water to buffer through the discharge orifice of spraying the tank bottom, and the supporting part is used for eating to prop buffer and spray the groove, and the shower plate is located the supporting part lower part, and water falls into biological filter through spraying groove, buffer, supporting part and shower plate in proper order.

2. The decarbonization device in the seawater recirculating aquaculture system of claim 1, wherein: the spraying groove is provided with a plurality of spraying holes which are uniformly distributed at the bottom of the spraying groove.

3. The decarbonization device in the seawater recirculating aquaculture system of claim 2, wherein: the aperture of the spray groove is 8mm, and the hole distance is 45 mm.

4. The decarbonization device in the seawater recirculating aquaculture system of claim 1, wherein: the buffer part comprises a buffer frame and a net sheet filled in the buffer frame.

5. The decarbonization device in the seawater recirculating aquaculture system of claim 4, wherein: the mesh size in the net sheet is mesh 20.

6. The decarbonization device in the seawater recirculating aquaculture system of claim 1, wherein: the water spraying plate is provided with a spraying hole, and water left from the buffer part and the supporting part falls into the biological filter through the spraying hole.

7. The decarbonization device in the seawater recirculating aquaculture system of claim 6, wherein: the diameter of the shower hole is 8mm, and the distance between the holes is 45 mm.

8. The decarbonization device in the seawater recirculating aquaculture system of claim 1, wherein: the supporting part is of a frame structure, and a space for air circulation is reserved to facilitate full contact between air and water.

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