CN109197745B

CN109197745B - Oxygen supply device for aquaculture

Info

Publication number: CN109197745B
Application number: CN201811390262.8A
Authority: CN
Inventors: 曾霖; 王永红
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2018-11-21
Filing date: 2018-11-21
Publication date: 2021-06-08
Anticipated expiration: 2038-11-21
Also published as: CN109197745A

Abstract

The invention discloses an aquaculture oxygen supply device, which belongs to the technical field of aquaculture and comprises a culture box, wherein the top of the culture box is provided with an inwards concave chute, the inside of the chute is movably connected with a water collecting tank, a partition plate is arranged inside the culture box, the surface of the partition plate is provided with a plurality of meshes, the upper surface of the partition plate is provided with an oxygen supply device, the left side and the right side of the culture box are respectively provided with an air compressor and a circulating pump, and the air compressor and the circulating pump are. The device supplies oxygen in a layered manner, meets the requirements of different aquatic products on oxygen, can improve the oxygen concentration in the aquaculture water, and can also filter impurities in the aquaculture water to ensure that the aquaculture water is recycled.

Description

Oxygen supply device for aquaculture

Technical Field

The invention belongs to the technical field of aquaculture, and particularly relates to an oxygen supply device for aquaculture.

Background

China is a big world of aquaculture, the pond culture area reaches about 2000 ten thousand mu, and the culture yield is the first place in the world. Recently, with the continuous expansion of aquaculture area and aquaculture density in China, the weather conditions are more and more severe, the requirement of aquatic products on dissolved oxygen is higher and higher, the dissolved oxygen is low to accelerate respiration, and the aquatic products float at the bottom and even die. Generally, the oxygen deficiency of the fishpond is usually the lowest dissolved oxygen at night, particularly when dawn pressure is low, and farmers keep on observing fish shoals all night.

The existing oxygen supply device for aquaculture still has some defects when in use;

when the conventional oxygen supply device for aquaculture is used, the connecting block and the support frame of the oxygen supply device need to be aligned and fixed with the fixing holes, so that the time is consumed, and the looseness is easily caused when the oxygen supply device is used for a long time, and the connection is unstable.

2 current oxygen supply apparatus for aquaculture is because the device of flotation pontoon when connecting is fixed knot structure when using, can't connect according to the size of flotation pontoon, and the limitation is great, and connects unstablely, comparatively not hard up.

3, the existing oxygen supply device for aquaculture is exposed in the air for a long time and is more corrosive when in use, so that the surface of the buoy is easy to crack, the damage is caused, and the replacement cost is increased.

Disclosure of Invention

The invention aims to provide an aquaculture oxygen supply device which supplies oxygen in a layered manner, meets the requirements of different aquatic products on oxygen, can improve the oxygen concentration in aquaculture water, and can filter impurities in the aquaculture water to ensure that the aquaculture water is recycled.

The technical scheme adopted by the invention for realizing the purpose is as follows: aquaculture apparatus of oxygen supply, including breeding the case, breed roof portion and be equipped with inside sunken spout, swing joint water catch bowl in the spout breeds incasement portion and is equipped with the baffle, and the baffle surface is equipped with a plurality of mesh, and surface mounting has oxygenation device on the baffle, breeds the case left and right sides and is provided with air compressor machine, circulating pump respectively, and air compressor machine, circulating pump are located the support frame top. It is two-layer about divideing into to breed the case with the baffle, solve aquaculture thing to the different demands of dissolved oxygen, guarantee aquaculture thing's survival rate, the air compressor machine, the circulating pump simultaneous working, can make the breed hydrologic cycle of breeding the incasement flow, and there is fine filter effect to aquaculture water, ensure the cleanliness of breeding the incasement, the oxygen content of oxygenation device multiplicable aquatic, avoid the aquatic products to appear floating head or even the dead phenomenon of breed thing, this device collection is bred, the oxygen suppliment, the purified water is in an organic whole, the modern design, it is convenient to use, long service life, the function is comparatively powerful, be applicable to any most aquatic products class breed, and the device has wide market prospect.

As preferred, the water catch bowl bottom is equipped with the pulley, and inside the pulley joint in the spout, a plurality of outlet have been seted up to the water catch bowl both sides. The water catch bowl can collect drain pipe discharged water, and the gyro wheel makes a round trip to slide in the spout, and water slowly gushes out from the outlet, flows to breeding the incasement, breeds the case and will have new water source to add always, and when water added, water flow has certain difference in height, can produce some ripples on the surface of water of breeding the case, has increased the area of contact of water with the air, has the increase of favourable oxygen capacity.

Preferably, a drainage pipe is connected above the water collecting tank, a controller is installed in the middle of the drainage pipe, the right side end of the drainage pipe is connected with one end of an elastic hose, the other end of the elastic hose is connected with a two-way valve, the lower end of the two-way valve is connected with a water supply pipe, the middle of the water supply pipe is connected with a filter box, and the tail end of the water supply pipe is connected with a circulating pump. Through the extraction of circulating pump to the inside breed water of breed case, make breed water through flow pipe to rose box to elastic hose again, the drain pipe of discharging at last, the drain pipe also can bring the air into breed incasement portion at the in-process of drainage, realizes the continuous oxygen suppliment to breed water, has increased the mobility of water, and the water economy resource has also guaranteed the activity of aquatic products simultaneously, has promoted the breed effect.

As preferred, the inside three-layer filter layer that is equipped with of rose box, the filter layer is supreme down to be respectively: primary filter screen, active carbon superstrong adsorption layer, HEPA high efficiency essence layer. The aquaculture water inevitably generates harmful substances under the condition of not being replaced for a long time, and the filter layer in the filter box can effectively reduce the generation of the harmful substances in the aquaculture water, can adsorb impurities in the aquaculture water, and avoids the aquaculture water from causing certain harm to aquatic products.

As preferred, the circulating pump middle part is connected drinking-water pipe one end, and the drinking-water pipe other end is located breeds incasement portion and leads to and breeds the bottom of the case portion. The circulating pump can be intraductal with water suction, makes the breed water be in the circulation state always, is favorable to the increase of oxygen concentration, and the mouth of pipe play of drinking-water socle portion is equipped with the primary filter screen, can prefilter aquatic impurity.

Preferably, the air compressor is connected with the oxygen supply pipe, the oxygen supply pipe is positioned in an interlayer of the inner wall of the cultivation box, and a plurality of aeration valves are uniformly distributed on the oxygen supply pipe. In the air compressor machine during operation can spread into a large amount of gases into oxygen supply pipe, a plurality of aeration valves on oxygen supply pipe surface can be with gaseous blowout, breed the water of bottom of the case portion always bubbling, the bubble receives the extrusion in aqueous and can break in the twinkling of an eye, the air in the bubble can be in breeding the aquatic when breaking, water also can vibrate simultaneously, makes more oxygen melt in aqueous, improves the survival rate of aquatic products, has guaranteed the breed benefit.

As preferred, baffle left side top is equipped with and keeps off the cover, keeps off the cover and connects breed incasement wall, keeps off cover internally mounted and has the flashing lamp, and photosynthetic bacteria portion has been placed to the flashing lamp below. The photosynthetic bacteria portion is arranged on the bottom of the partition board in the cultivation box, and the waterproof lamp is arranged above the photosynthetic bacteria portion, so that when the oxygen content of the bottom of the cultivation box is lower, oxygen is generated through photosynthesis of the photosynthetic bacteria portion, oxygen deficiency at the bottom of the cultivation box is prevented, aquatic products cannot be subjected to oxygen deficiency death in water for a long time, and the waterproof lamp can be closed to stop oxygen supply of the photosynthetic bacteria portion when the oxygen is enough.

Preferably, the oxygenation device center post, central post surface ring cloth have 4 at least transition poles, connect the rhombus frame between the transition pole, the transition pole middle part is equipped with waterproof motor, and waterproof motor's output runs through the center of transition pole, and is connected with the axis of rotation, and the axis of rotation end connection impeller. The oxygenation device is installed at the upper surface of baffle, and the impeller is covered by the string bag, can avoid aquatic products to be close to the impeller, prevents that the impeller from causing the injury to aquatic products at the operation in-process, and the initiative oxygen making function on baffle upper strata is not enough, needs the impeller to rotate for a long time, drives and breeds water and is in the flow state, makes the continuous irregular fluctuation of water, increases the area of contact of breeding water and air, finally makes the oxygen content of aquatic reach the breed requirement.

Preferably, the surface of the impeller is provided with convex fan blades, a plurality of concave holes are formed between the fan blades, the lower part of the transition rod is connected with the base through a stabilizing rope, and the lower surface of the base is attached to the partition plate. The protruding flabellum of impeller surface can accelerate the flow of rivers when rotatory, forms less vortex form, has a large amount of air entrys when forming the swirl, and the concentration of aquatic carbon dioxide also can reduce thereupon, and the vortex form rivers have strengthened the relative motion between each part of rivers through the shrinkage pool, make rivers form great speed gradient on the interface, also improved the output of aquatic products when very big increase oxygen content.

Compared with the prior art, the invention has the beneficial effects that: this device separates into upper and lower two-layer with breeding the case through the baffle, solve aquaculture thing to the different demands of dissolved oxygen, guarantee aquaculture thing's survival rate, the circulating pump filters the extraction of breeding incasement portion breed water, make water get into the water catch bowl, rivers in the water catch bowl can have certain difference in height to breeding the incasement time, the area of contact of water with the air has been increased, promote the oxygen capacity of aquatic, the circulating pump can give the regional direct oxygen suppliment of breed of lower floor, guarantee that there is the oxygen of capacity in the water, oxygenation device blade all around can continuously rotate, increase the mobility of water, make the aquatic oxygen content further reach the saturation, thereby the aquaculture effect has been promoted.

The invention provides the aquaculture oxygen supply device through the technical scheme, and the defects of the prior art are overcome.

Drawings

FIG. 1 is a front view of an oxygen supply apparatus for aquaculture according to the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

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

FIG. 4 is a schematic structural diagram of the oxygen increasing device according to the present invention;

FIG. 5 is a top view of the aerator of the present invention;

fig. 6 is a schematic view of the internal structure of the filtration tank of the present invention.

Description of reference numerals: 1, breeding a box; 2, a chute; 3, collecting water tank; 31 a water outlet; 32 pulleys; 4, a water discharge pipe; 5, a controller; 6 an elastic hose; 7 a two-way valve; 8, a water supply pipe; 9 a filter box; 91 primary screen of activated carbon; 92 super absorbent layer; 93HEPA high-efficiency fine filtering layer; 10 circulating pump; 11 a support frame; 12, a water pumping pipe; 13 primary filtering net; 14 an aeration valve; 15 branch pipes; 16 air compressors; 17 oxygen supply tube; 18 a partition plate; 19 photosynthetic bacteria portion; 20 waterproof lamps; 21, a baffle cover; 22 an oxygenation device; 221 an impeller; 222 rotating the shaft; 223 a transition rod; 224 a concave hole; 225 fan blades; 226 waterproof motor; 227 stabilizing the cord; 228 a base; 229 a net bag; 230 a central column; 231 diamond shaped frame.

Detailed Description

The invention is described in further detail below with reference to examples and figures:

example 1:

as shown in fig. 1-6, aquaculture oxygen supply device, including breeding case 1, breed 1 top of case and be equipped with inside sunken spout 2, swing joint water catch bowl 3 in the spout 2, breed 1 inside baffle 18 that is equipped with of case, baffle 18 surface is equipped with a plurality of mesh, and surface mounting has oxygenation device 22 on the baffle 18, breeds 1 left and right sides of case and is provided with air compressor machine 16, circulating pump 10 respectively, and air compressor machine 16, circulating pump 10 are located support frame 11 top. It is two-layer about divideing into to breed the case with the baffle, solve aquaculture thing to the different demands of dissolved oxygen, guarantee aquaculture thing's survival rate, the air compressor machine, the circulating pump simultaneous working, can make the breed hydrologic cycle of breeding the incasement flow, and there is fine filter effect to aquaculture water, ensure the cleanliness of breeding the incasement, the oxygen content of oxygenation device multiplicable aquatic, avoid the aquatic products to appear floating head or even the dead phenomenon of breed thing, this device collection is bred, the oxygen suppliment, the purified water is in an organic whole, the modern design, it is convenient to use, long service life, the function is comparatively powerful, be applicable to any most aquatic products class breed, and the device has wide market prospect.

The bottom of the water collecting tank 3 is provided with a pulley 32, the pulley 32 is clamped inside the chute 2, and two sides of the water collecting tank 3 are provided with a plurality of water outlets 31. The water catch bowl can collect drain pipe discharged water, and the gyro wheel makes a round trip to slide in the spout, and water slowly gushes out from the outlet, flows to breeding the incasement, breeds the case and will have new water source to add always, and when water added, water flow has certain difference in height, can produce some ripples on the surface of water of breeding the case, has increased the area of contact of water with the air, has the increase of favourable oxygen capacity.

The drain pipe 4 is connected to 3 tops of water catch bowl, and 4 mid-mounting of drain pipe have controller 5, and the 6 one end of elastic hose is connected to 4 right side end portions of drain pipe, and two-way valve 7 is connected to the other end of elastic hose 6, and the lower extreme of two-way valve 7 is connected and is sent water pipe 8, and filter box 9 is connected at 8 middle parts of sending water pipe, and 8 end-to-end connection circulating pump 10 of sending water pipe. Through the extraction of circulating pump to the inside breed water of breed case, make breed water through flow pipe to rose box to elastic hose again, the drain pipe of discharging at last, the drain pipe also can bring the air into breed incasement portion at the in-process of drainage, realizes the continuous oxygen suppliment to breed water, has increased the mobility of water, and the water economy resource has also guaranteed the activity of aquatic products simultaneously, has promoted the breed effect.

The inside three-layer filter layer that is equipped with of rose box 9, the filter layer is supreme respectively down: a primary filter screen 91, an activated carbon super-strong adsorption layer 92 and a HEPA high-efficiency fine filtration layer 93. The aquaculture water inevitably generates harmful substances under the condition of not being replaced for a long time, and the filter layer in the filter box can effectively reduce the generation of the harmful substances in the aquaculture water, can adsorb impurities in the aquaculture water, and avoids the aquaculture water from causing certain harm to aquatic products.

The middle part of the circulating pump 10 is connected with one end of a water pumping pipe 12, and the other end of the water pumping pipe 12 is positioned inside the culture box 1 and communicated with the bottom of the culture box 1. The circulating pump can be intraductal with water suction, makes the breed water be in the circulation state always, is favorable to the increase of oxygen concentration, and the mouth of pipe play of drinking-water socle portion is equipped with the primary filter screen, can prefilter aquatic impurity.

The air compressor 16 is connected with the oxygen supply pipe 17, the oxygen supply pipe 17 is positioned in the interlayer of the inner wall of the breeding box 1, and a plurality of aeration valves 14 are uniformly distributed on the oxygen supply pipe 17. In the air compressor machine during operation can spread into a large amount of gases into oxygen supply pipe, a plurality of aeration valves on oxygen supply pipe surface can be with gaseous blowout, breed the water of bottom of the case portion always bubbling, the bubble receives the extrusion in aqueous and can break in the twinkling of an eye, the air in the bubble can be in breeding the aquatic when breaking, water also can vibrate simultaneously, makes more oxygen melt in aqueous, improves the survival rate of aquatic products, has guaranteed the breed benefit.

Baffle 18 left side top is equipped with keeps off the cover 21, keeps off cover 21 and connects breed case 1 inner wall, keeps off cover 21 internally mounted and has a flashing light 20, and photosynthetic bacteria portion 19 has been placed to flashing light 20 below. The photosynthetic bacteria portion is arranged on the bottom of the partition board in the cultivation box, and the waterproof lamp is arranged above the photosynthetic bacteria portion, so that when the oxygen content of the bottom of the cultivation box is lower, oxygen is generated through photosynthesis of the photosynthetic bacteria portion, oxygen deficiency at the bottom of the cultivation box is prevented, aquatic products cannot be subjected to oxygen deficiency death in water for a long time, and the waterproof lamp can be closed to stop oxygen supply of the photosynthetic bacteria portion when the oxygen is enough.

The oxygenation device 22 center post 230, center post 230 surface ring cloth have 4 at least transition poles 223, connect rhombus frame 231 between the transition pole 223, the middle part of transition pole 223 is equipped with waterproof motor 226, the center of transition pole 223 is run through to the output of waterproof motor 226, and is connected with axis of rotation 222, axis of rotation 222 end connection impeller 221. The oxygenation device is installed at the upper surface of baffle, and the impeller is covered by the string bag, can avoid aquatic products to be close to the impeller, prevents that the impeller from causing the injury to aquatic products at the operation in-process, and the initiative oxygen making function on baffle upper strata is not enough, needs the impeller to rotate for a long time, drives and breeds water and is in the flow state, makes the continuous irregular fluctuation of water, increases the area of contact of breeding water and air, finally makes the oxygen content of aquatic reach the breed requirement.

The surface of the impeller 221 is provided with convex fan blades 225, a plurality of concave holes 224 are formed between the fan blades 225, the lower part of the transition rod 223 is connected with a base 228 through a stabilizing rope 227, and the lower surface of the base 228 is attached to the partition plate 18. The protruding flabellum of impeller surface can accelerate the flow of rivers when rotatory, forms less vortex form, has a large amount of air entrys when forming the swirl, and the concentration of aquatic carbon dioxide also can reduce thereupon, and the vortex form rivers have strengthened the relative motion between each part of rivers through the shrinkage pool, make rivers form great speed gradient on the interface, also improved the output of aquatic products when very big increase oxygen content.

Example 2:

the surface of the impeller 221 is coated with an antifouling coating, and the antifouling coating comprises the following components in parts by weight: 45-50 parts of zinc acrylate resin, 15-20 parts of diisononyl phthalate, 1-5 parts of nano-silver powder, 7-15 parts of vanillylnonanamide, 6-8 parts of zinc pyrithione, 0.02-0.05 part of 1-methyl-trans-1, 2-cyclopropane dimethyl dicarboxylate, 0.5-1.5 parts of algaecide, 10-35 parts of zinc oxide, 10-15 parts of wetting dispersant, 20-25 parts of anti-settling agent, 13-15 parts of talcum powder and 6-8 parts of organic solvent. The addition of 1-methyl-trans-1, 2-cyclopropane dicarboxylic acid dimethyl ester in the coating can obviously improve the activity of each component, effectively broaden the molecular weight distribution of a polymerization product, reduce the viscosity of a polymerization reaction glue solution, enable a polymer to generate a branched structure, improve the cold flow property, the processability, the wet-skid resistance and the aging resistance of a vulcanized rubber of the polymer, thereby improving the water resistance, the aging resistance and the antifouling property of the coating and prolonging the service life of the coating Mechanical properties and durability.

The preferable values of the components of the antifouling coating are as follows: 42 parts of zinc acrylate resin, 17 parts of diisononyl phthalate, 3 parts of nano-silver powder, 7.7 parts of vanillylnonanamide, 6.8 parts of zinc pyrithione, 0.023 part of 1-methyl-trans-1, 2-cyclopropane dimethyl dicarboxylate, 0.7 part of algicide, 13 parts of zinc oxide, 10 parts of wetting dispersant, 22 parts of anti-settling agent, 14 parts of talcum powder and 7 parts of organic solvent.

Example 3:

the aquaculture oxygen supply device of the invention is characterized in that in the actual use process: the aquatic products to be cultured are cultured in a layered mode, the air compressor 16 and the circulating pump 10 work simultaneously, the culture water in the culture box 1 can flow circularly, the circulating pump 10 can suck water into the water pumping pipe 12, the culture water passes through the filter box 9, the filter box 9 filters the culture water in the deep layer, the culture water is conveyed to the water collecting tank 3 and is discharged to the culture box 1, the air compressor 16 can transmit a large amount of gas into the oxygen conveying pipe 17, the plurality of aeration valves 14 on the surface of the oxygen conveying pipe can spray the gas, the oxygen capacity in the water is effectively increased, the impeller 221 of the oxygenation device 22 above the partition plate 18 continuously stirs the water, the water is enabled to be in large-area contact with the air, finally the oxygen content in the water reaches the culture requirement, the survival rate of the aquatic products is improved, and the.

The conventional techniques in the above-mentioned

embodiments

1,2 and 3 are known to those skilled in the art and will not be described in detail herein.

The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. Aquaculture apparatus of oxygen supply, including breeding case (1), its characterized in that: the top of the cultivation box (1) is provided with an inward-sunken sliding groove (2), a water collecting tank (3) is movably connected in the sliding groove (2), a partition plate (18) is arranged inside the cultivation box (1), the surface of the partition plate (18) is provided with a plurality of meshes, an oxygen increasing device (22) is arranged on the upper surface of the partition plate (18), the left side and the right side of the cultivation box (1) are respectively provided with an air compressor (16) and a circulating pump (10), and the air compressor (16) and the circulating pump (10) are located above the support frame (11); the bottom of the water collecting tank (3) is provided with a pulley (32), the pulley (32) is clamped in the sliding groove (2), and a plurality of water outlets (31) are formed in two sides of the water collecting tank (3); the aerator comprises a central column (230) of the aerator (22), at least 4 transition rods (223) are annularly distributed on the surface of the central column (230), a rhombic frame (231) is connected between the transition rods (223), a waterproof motor (226) is arranged in the middle of each transition rod (223), the output end of the waterproof motor (226) penetrates through the center of each transition rod (223) and is connected with a rotating shaft (222), and the end part of each rotating shaft (222) is connected with an impeller (221); the impeller is characterized in that the surface of the impeller (221) is provided with convex fan blades (225), a plurality of concave holes (224) are formed between the fan blades (225), the lower part of the transition rod (223) is connected with a base (228) through a stabilizing rope (227), and the lower surface of the base (228) is attached to the partition plate (18); a drain pipe (4) is connected above the water collecting tank (3), a controller (5) is installed in the middle of the drain pipe (4), the end part of the right side of the drain pipe (4) is connected with one end of an elastic hose (6), the other end of the elastic hose (6) is connected with a two-way valve (7), the lower end of the two-way valve (7) is connected with a water feeding pipe (8), the middle part of the water feeding pipe (8) is connected with a filter box (9), and the tail end of the water feeding pipe (8) is connected with a circulating pump (10); the culture water in the culture box (1) is pumped by the circulating pump (10), so that the culture water flows through the water supply pipe (8) to the filter box (9) and then to the elastic hose (6) and finally is discharged into the drain pipe (4), the drain pipe (4) can also bring air into the culture box (1) in the drainage process, and the partition plate (18) is arranged at the middle upper part of the culture box (1); the inside three-layer filter layer that is equipped with of rose box (9), the filter layer is supreme respectively down: a primary filter screen (91), an activated carbon super-strong adsorption layer (92) and an HEPA high-efficiency fine filtration layer (93); the middle part of the circulating pump (10) is connected with one end of a water pumping pipe (12), and the other end of the water pumping pipe (12) is positioned in the breeding box (1) and communicated with the bottom of the breeding box (1); the air compressor (16) is connected with an oxygen supply pipe (17), the oxygen supply pipe (17) is positioned in an interlayer of the inner wall of the breeding box (1), and a plurality of aeration valves (14) are uniformly distributed on the oxygen supply pipe (17); a baffle cover (21) is arranged above the left side of the partition plate (18), the baffle cover (21) is connected with the inner wall of the cultivation box (1), a waterproof lamp (20) is installed inside the baffle cover (21), and a photosynthetic bacteria part (19) is arranged below the waterproof lamp (20); the surface of the impeller (221) is coated with an antifouling coating, and the antifouling coating comprises the following components in parts by weight: 45-50 parts of zinc acrylate resin, 15-20 parts of diisononyl phthalate, 1-5 parts of nano-silver powder, 7-15 parts of vanillylnonanamide, 6-8 parts of zinc pyrithione, 0.02-0.05 part of 1-methyl-trans-1, 2-cyclopropane dimethyl dicarboxylate, 0.5-1.5 parts of algaecide, 10-35 parts of zinc oxide, 10-15 parts of wetting dispersant, 20-25 parts of anti-settling agent, 13-15 parts of talcum powder and 6-8 parts of organic solvent.