CN215946997U - Aquaculture waste water circulation treatment equipment - Google Patents

Abstract

The utility model discloses aquaculture wastewater circulating treatment equipment which comprises labyrinth precipitation filtering equipment, a direct-current power supply and three-dimensional electrode catalytic equipment, wherein a precipitation water inlet pipe is arranged on the labyrinth precipitation filtering equipment, one end of the precipitation water inlet pipe is communicated with the labyrinth precipitation filtering equipment, the other end of the precipitation water inlet pipe is communicated with a culture pond, a culture pond quilt pump is arranged on the precipitation water inlet pipe, a precipitation water outlet pipe is also arranged on the labyrinth precipitation filtering equipment, one end of the precipitation water outlet pipe is communicated with the labyrinth precipitation filtering equipment, and the other end of the precipitation water outlet pipe is communicated with the three-dimensional electrode catalytic equipment. The utility model treats culture wastewater by combining the processes of precipitation, filtration and three-dimensional electro-catalysis equipment, so that the culture wastewater can be returned to a culture pond for recycling, the water consumption of culture can be reduced, the purposes of recycling and emission reduction can be achieved, and the utility model is characterized in that a labyrinth precipitation filtration equipment is used for removing suspension in water, and the three-dimensional electro-catalysis equipment generates hydroxyl radical to oxidize ammonia nitrogen in the water, so that the ammonia nitrogen is converted into nitrogen.

Description

Aquaculture waste water circulation treatment equipment

Technical Field

The utility model relates to the technical field of aquaculture wastewater treatment, in particular to aquaculture wastewater circulating treatment equipment.

Background

In the aquaculture process, ammonia nitrogen substances in aquaculture water rise under the combined action of feed addition, fish metabolism and the like, so that the survival of fishes is directly influenced, and the pond water must be replaced regularly.

In the high-voltage electric field polar plate device in the marine oil production electric dehydration electric desalting equipment with the patent application number of CN201396132Y, the device is designed in a vertical polar plate arrangement mode. The polar plate is composed of a supporting tube, a polar plate frame, a flat plate, a square steel tube, an electrode rod and the like. The polar plate frame is generally made of square steel pipes, and the supporting pipes can play a role in fixing. The flat plate structure is designed in the middle of the pole plate frame, and one or two reinforcing folding ribs are designed on the flat plate structure to ensure the strength, so that the material is saved, and the strength of the whole pole plate can be ensured. The bottom of the vertically arranged polar plate is generally provided with an electrode rod, so that the high-voltage electric field is more reasonable to adapt to the application characteristics of the ocean oil extraction electric dehydration and electric desalting equipment. The high-voltage electric field polar plate device in the ocean oil production electric dehydration and electric desalting equipment has the characteristics of light weight and high strength; the material is saved, the consumption is reduced, and the installation, the construction and the maintenance are convenient; the high-voltage electric field polar plate device is reasonable in design and distribution, reliable in operation and high in application efficiency; the advantages of strong adaptability and long service life are as follows:

traditionally, the ammonia nitrogen in the aquaculture water is treated by a biochemical method, the principle is the nitrification and denitrification of microorganisms, but the operation is carried out due to the fact that professional water treatment knowledge is needed, operation is difficult for farmers, and meanwhile, the microbial activity is seriously affected by the environment, such as temperature, dissolved oxygen amount and the like, the system cannot normally operate, the ammonia nitrogen in the aquaculture water exceeds the tolerance limit of fishes, and the death of the fishes is caused.

Disclosure of Invention

The utility model aims to provide aquaculture wastewater circulating treatment equipment, which aims to solve the problems that the traditional aquaculture pond water is provided for treating ammonia nitrogen in water by a biochemical method, the principle of the traditional aquaculture pond water is the nitrification and denitrification of microorganisms, but the traditional aquaculture pond water is difficult to operate for farmers because the traditional aquaculture pond water needs professional water treatment knowledge to operate, and meanwhile, the microbial activity is seriously influenced by the environment, such as temperature, dissolved oxygen and the like, a system cannot normally operate, so that the ammonia nitrogen in the aquaculture water exceeds the tolerance limit of fishes, and the fishes die.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aquaculture waste water circulation treatment facility, deposits filtration equipment, DC power supply and three-dimensional electrode catalytic apparatus including the maze, be equipped with on the maze deposits the filtration equipment and deposit the inlet tube, the one end intercommunication that deposits the inlet tube is on the maze deposits filtration equipment, and other end intercommunication has the breed pond, it is equipped with on the inlet tube to deposit and breeds the pond by the pump, still be equipped with on the maze deposits the filtration equipment and deposits the outlet pipe, the one end intercommunication that deposits the outlet pipe is on the maze deposits filtration equipment, and other end intercommunication has three-dimensional electrode catalytic apparatus, the maze deposits and still is equipped with the mud delivery pipe on the filtration equipment, be equipped with three-dimensional electrode on the three-dimensional electrode catalytic apparatus and handle outlet pipe and air hose, still be equipped with DC power supply on the three-dimensional electrode catalytic apparatus.

Preferably, the labyrinth precipitation filtering equipment comprises a mud bucket, a water distribution area, a labyrinth packing area and a filtering area, wherein the water distribution area, the labyrinth packing area and the filtering area are arranged on the mud bucket, and the filtering area is communicated with the three-dimensional electrode catalytic equipment through a precipitation water outlet pipe.

Preferably, the filtering area consists of a light stone filtering area and a filtering cotton filtering area.

Preferably, the hopper of the labyrinth sedimentation and filtration device is communicated with a sludge discharge pipe.

Preferably, the three-dimensional electrode catalysis equipment comprises graphite electrode plates, three-dimensional electrode particles and an aeration system, the direct-current power supply is electrically connected with the graphite electrode plates positioned on two sides of the three-dimensional electrode catalysis equipment, the three-dimensional electrode particles are arranged between the graphite electrode plates, and the aeration system is arranged in the three-dimensional electrode particles.

Preferably, the aeration system is communicated with an air pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model treats the culture wastewater by combining the processes of precipitation, filtration and three-dimensional electro-catalysis equipment, so that the culture wastewater can be returned to a culture pond for recycling, the culture water consumption is reduced, and the purposes of recycling and emission reduction are achieved;

the utility model sets the stuffing single sheet in the labyrinth stuffing area as normal phase sine curve, forms S-shaped flow channel by symmetrical wave crest opposite placement between two stuffing sheets, gives a micro disturbance in the water flow direction, forms weak turbulence to water, forms speed gradient between suspended matters carried in water, increases collision probability, thereby achieves the purposes of strengthening flocculation, accelerating sedimentation and removing suspended matters in water

The filtering cotton filtering area and the precipitation water outlet pipe mainly utilize the micro pore canal formed by the suspended matters in water entering the filtering material to be intercepted by the filtering material under the actions of adsorption and mechanical interception when the water flows through the filtering material. Meanwhile, the intercepted suspended matters are overlapped and bridged, and the suspended matters in the water are continuously filtered;

the preparation of the three-dimensional electrode particles provided by the utility model can effectively increase the reaction contact area and the processing capacity by increasing the specific surface area, and meanwhile, the dangling bonds at the edge of the crystal on the surface of the filler are used as chemical active points to promote the reaction of dissolved oxygen and water to generate hydroxyl radicals, so that organic matters are degraded, and the aim of removing the organic matters and ammonia nitrogen is fulfilled.

Drawings

Fig. 1 is a schematic front view of the present invention.

In the figure: 1. a labyrinth sedimentation filtration device; 2. a direct current power supply; 3. a three-dimensional electrode catalytic device; 4. a water distribution area; 5. a labyrinth packing region; 6. a mud bucket; 7. a light stone filtering area; 8. a filter cotton filtering area; 9. a sedimentation water outlet pipe; 10. a graphite electrode plate; 11. three-dimensional electrode particles; 12. an aeration system; 13. the three-dimensional electrode is used for treating the water outlet pipe; 14. an air tube; 15. a sludge discharge pipe; 16. and (5) precipitating a water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1, the embodiment provides an aquaculture wastewater recycling treatment device, which comprises a labyrinth precipitation filter device 1, a direct current power supply 2 and a three-dimensional electrode catalytic device 3, wherein the labyrinth precipitation filter device 1 is provided with a precipitation water inlet pipe 16, one end of the precipitation water inlet pipe 16 is communicated with the labyrinth precipitation filter device 1, the other end of the precipitation water inlet pipe 16 is communicated with a culture pond, the precipitation water inlet pipe 16 is provided with a culture pond by a pump, the labyrinth precipitation filter device 1 is further provided with a precipitation water outlet pipe 9, one end of the precipitation water outlet pipe 9 is communicated with the labyrinth precipitation filter device 1, the other end of the precipitation water outlet pipe is communicated with the three-dimensional electrode catalytic device 3, the labyrinth precipitation filter device 1 is further provided with a sludge discharge pipe 15, the three-dimensional electrode catalytic device 3 is provided with a three-dimensional electrode treatment water outlet pipe 13 and an air pipe 14, and the three-dimensional electrode catalytic device 3 is further provided with the direct current power supply 2.

Example two

The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:

as shown in fig. 1, as a preferred embodiment, on the basis of the above-mentioned manner, further, the labyrinth precipitation filtering device 1 includes a hopper 6, a water distribution area 4 installed on the hopper 6, a labyrinth packing area 5 and a filtering area, the filtering area is communicated with the three-dimensional electrode catalytic device 3 through a precipitation water outlet pipe 9, the filtering area is composed of a light stone filtering area 7 and a filter cotton filtering area 8, the hopper 6 of the labyrinth precipitation filtering device 1 is communicated with a sludge discharge pipe 15, a special labyrinth precipitation packing is added in the labyrinth packing area 5, the packing single sheet form of the labyrinth precipitation packing is a normal intersecting sinusoidal curved surface, an S-shaped flow channel is formed by symmetrically arranging peaks between two packing sheets, a micro disturbance is given in the water flow direction to form a weak turbulent flow, a velocity gradient is formed between suspended matters carried in water, the collision probability is increased, and flocculation is enhanced, accelerating precipitation and removing suspended matters in water; the filtering cotton filtering area 8 and the precipitation water outlet pipe 9 mainly utilize that when water flows through the filtering material, micro pore channels formed by suspended matters in the water entering the filtering material are intercepted by the filtering material under the actions of adsorption and mechanical interception, and meanwhile, the intercepted suspended matters are overlapped and bridged to continuously filter the suspended matters in the water.

As shown in fig. 1, as a preferred embodiment, in addition to the above-mentioned embodiment, the three-dimensional electrode catalytic device 3 further includes graphite electrode plates 10, three-dimensional electrode particles 11 and an aeration system 12, the graphite electrode plates 10 located at both sides of the three-dimensional electrode catalytic device 3 are electrically connected to the dc power supply 2, the three-dimensional electrode particles 11 are disposed between the graphite electrode plates 10, the aeration system 12 is disposed in the three-dimensional electrode particles 11, the aeration system 12 is communicated with an air pipe 14, under the action of the electric field, dangling bonds of crystals on the surface of the three-dimensional electrode particles 11 are changed, a catalytic action is generated, dissolved oxygen is promoted to decompose, hydroxyl radicals are formed, ammonia nitrogen is oxidized, and water and nitrogen are converted, and the reaction is:

the aeration system 12 blows air through the air pipe 14 to dissolve oxygen in the air into water, so as to provide dissolved oxygen for the generation of hydroxyl radicals;

the preparation of the three-dimensional electrode particles 11 can effectively increase the reaction contact area and the processing capacity by increasing the specific surface area, and meanwhile, the dangling bonds at the edge of the crystal on the surface of the filler are used as chemical active points to promote the reaction of dissolved oxygen and water to generate hydroxyl radicals, so that organic matters are degraded, and the purpose of removing the organic matters and ammonia nitrogen is achieved.

Example II

A certain cultivation farm in Hainan island is used for treating hawksbill carapace cultivation wastewater, the treatment capacity is 1000 tons per day, the cultivation circulating water quality is stable below 0.1 mg/L of ammonia nitrogen content, the nitrate is stable below 5 mg/L, and severe water quality fluctuation does not occur after continuous operation for one month.

The working principle of the aquaculture wastewater circulating treatment equipment is as follows: firstly, the culture water is lifted by a pump from a culture pond, is sent into a water distribution area 4 of a labyrinth precipitation filtering device 1 through a precipitation water inlet pipe 16, is distributed through an orifice to enable the water flow to be uniformly distributed on a water passing section, then flows through a filler of a labyrinth filler area 5, the fillers of the labyrinth precipitation filler are overlapped through symmetrical bulges between two fillers to form an S-shaped flow channel, a micro-disturbance is given to the water flow direction to enable the water to form weak turbulence, a velocity gradient is formed between suspended matters carried in the water, the collision probability is increased, the flocculation effect is enhanced, the sedimentation is accelerated, the suspended matters in the water are removed, then the precipitated sludge enters a 6 mud bucket and is thickened under the action of gravity, after a certain amount of sludge is stored, the sludge is periodically discharged, the wastewater flowing through the labyrinth filler area 5 is removed in a suspended manner of large particles, and then flows through a light stone filtering area 7 and a filtering cotton filtering area 8, further filtering to remove suspended matters, thereby achieving the purpose of removing suspended matters in water.

Then the wastewater enters the three-dimensional electrode catalytic device 3 through a precipitation water outlet pipe 9 and a precipitation water outlet pipe, the anode and the cathode of the direct current power supply 2 are respectively loaded on two opposite graphite electrode plates 10, an electric field is formed between the graphite electrode plates 10, the dangling bonds on the crystal surface of the three-dimensional electrode particles 11 are changed, a catalytic action is generated, dissolved oxygen is promoted to be decomposed, hydroxyl radicals are formed, ammonia nitrogen is oxidized to be changed into water and nitrogen, meanwhile, the degradation of organic matters in the water is promoted, and the purpose of purifying aquaculture water is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an aquaculture waste water circulation treatment facility, includes labyrinth sediment filtration equipment (1), DC power supply (2) and three-dimensional electrode catalytic apparatus (3), its characterized in that: be equipped with on labyrinth sediment filtration equipment (1) and deposit inlet tube (16), the one end intercommunication of depositing inlet tube (16) is on labyrinth sediment filtration equipment (1), and the other end intercommunication has the breed pond, it is equipped with on inlet tube (16) to deposit and breeds the pond by the pump, still be equipped with on labyrinth sediment filtration equipment (1) and deposit outlet pipe (9), the one end intercommunication of depositing outlet pipe (9) is on labyrinth sediment filtration equipment (1), and the other end intercommunication has three-dimensional electrode catalytic apparatus (3), still be equipped with mud delivery pipe (15) on labyrinth sediment filtration equipment (1), it handles outlet pipe (13) and air hose (14) to be equipped with three-dimensional electrode on three-dimensional electrode catalytic apparatus (3), still be equipped with DC power supply (2) on three-dimensional electrode catalytic apparatus (3).

2. The aquaculture wastewater recycling treatment equipment according to claim 1, characterized in that: the labyrinth deposits filtration equipment (1) and includes bagger (6), installs distribution of water district (4), labyrinth packing district (5) and filtering area on bagger (6), the filtering area is through deposiing outlet pipe (9) and three-dimensional electrode catalytic apparatus (3) intercommunication.

3. An aquaculture wastewater recycling treatment apparatus according to claim 2, characterized in that: the filtering area consists of a light stone filtering area (7) and a filtering cotton filtering area (8).

4. An aquaculture wastewater recycling treatment apparatus according to claim 2, characterized in that: the mud bucket (6) of the labyrinth sedimentation and filtration equipment (1) is communicated with a sludge discharge pipe (15).

5. The aquaculture wastewater recycling treatment equipment according to claim 1, characterized in that: the three-dimensional electrode catalysis equipment (3) comprises graphite electrode plates (10), three-dimensional electrode particles (11) and an aeration system (12), the direct-current power supply (2) is electrically connected with the graphite electrode plates (10) positioned on two sides of the three-dimensional electrode catalysis equipment (3), the three-dimensional electrode particles (11) are arranged between the graphite electrode plates (10), and the aeration system (12) is arranged in the three-dimensional electrode particles (11).

6. An aquaculture wastewater recycling treatment apparatus according to claim 5, characterized in that: the aeration system (12) is communicated with an air pipe (14).

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