CN110384067A - A kind of multipurpose high-efficiency aerator and its application method - Google Patents
A kind of multipurpose high-efficiency aerator and its application method Download PDFInfo
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- CN110384067A CN110384067A CN201810348434.9A CN201810348434A CN110384067A CN 110384067 A CN110384067 A CN 110384067A CN 201810348434 A CN201810348434 A CN 201810348434A CN 110384067 A CN110384067 A CN 110384067A
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- pump
- water inlet
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- cover
- component
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
Abstract
The invention discloses a kind of multipurpose high-efficiency aerator and its application methods, the multipurpose high-efficiency aerator includes water inlet automatic telescopic component, pump component, floating body component and water outlet part, wherein water inlet automatic telescopic component passes through regulation induction speed reducer positive and negative rotation, the idler wheel on its shaft end is set to make component entire lowering or rising with rope, position to make water inlet be in needs always works, and pump component uses dry type motor in the present invention, pump direct connection does not need plus shaft coupling, all components are incorporated on motor shaft, simplify the structure of this kind of Multifucntional high efficiency aerator significantly, weight also mitigates significantly, furthermore, also there is the present invention reduction to produce, I& M working hour and the service life of extending, improve oxygen transfer rate, the advantages of saving electric energy.
Description
Technical field
The present invention relates to draining water pump technology more particularly to a kind of multipurpose high-efficiency aerator and its application methods.
Background technique
Aquatic products are currently the important food source of people, wild with the abatement of rivers and lakes and the reduction of marine product
Raw aquatic products are fewer and fewer, therefore the scale of aquaculture product is increasing, and the dissolved oxygen in water body is to guarantee the water such as fishes and shrimps
The essential condition of product normal development reduces the dense of noxious material because dissolved oxygen can improve the living environment of fish habitat
Degree increases water transparency.Therefore, aerator becomes the essential oxygen increasing equipment of various aquatic farms.
Aerator of the China applied in aquaculture mainly has three kinds of vane type, Waterwheel-type and jetting type types at present
Formula.Paddle aerator accounts for about 65% in China's aerator total output produced, and waterwheel aerator accounts for about 20%, jetting type
Aerator etc. is other types of to account for about 15%.Rivers and lakes carry out photosynthesis in plants such as bottom on daytime waters algaes and discharge oxygen
Gas is to make bottom waters oxygen content increase, as the enhancing upper water temperature increase of illumination causes oxygen content to reduce；At the bottom of night
The plants such as layer waters algae do not simply fail to carry out photosynthesis release oxygen but also to breathe generate great amount of carbon dioxide to
Reduce bottom waters oxygen content, above-mentioned aerator is difficult to adjust its depth for sucking oxygenation water body according to demand, and also
Have the disadvantages that first, oxygen transfer rate it is low and can not achieve pond water temperature change and water quality improvement；Second, poor universality, often
Kind aerator can only be suitble to specific operating condition；Third, structure is complicated, the components leakage of oil such as motor, deceleration mechanism are burnt.Cause
This, existing aerator is difficult to promotion and application on the market.
Summary of the invention
The technical problem to be solved in the present invention is that providing the multipurpose that a kind of oxygen transfer rate is strong, structure is simplified, high-efficient
Efficience oxygen increasing machine and its application method can be drawn water in the Larger water depths of needs always by water inlet automatic telescopic component
Oxygenation, that is, suck the water of any level, to keep water temperature and oxygen uniform, recycles upper and lower layer water, to exclude harmful gas
Body reduces harmful salt and generates, kill harmful algae by photosynthesis, increases Fish Survival space to increase yield.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The present invention provides a kind of multipurpose high-efficiency aerator, the multipurpose high-efficiency aerator includes that water inlet is stretched automatically
Contracting component, pump component, floating body component and water outlet part, wherein
The pump component includes motor and pump, and the motor includes the upper and lower bearing of base and base upper and lower ends
End cap, the base is interior to be equipped with motor shaft, stator and rotor, and the axis of corresponding motor shaft is equipped in the upper and lower bearing (ball) cover
Hold, lower bearing end cap bottom is further fixed on mechanical seal and machine sealed cover, the pump be set to below motor and including the pump housing,
Pump cover, impeller, impeller nut, washer and outlet pipe, the pump housing are bolted with pump cover, and pass through pump cover and lower bearing
Bolt of cover is fixedly connected, and the impeller is installed on motor shaft bottom by impeller nut and washer, and pump cover side passes through bolt
It is fixed with the outlet pipe；
The water inlet automatic telescopic component includes strainer, refueling boom and incudes speed reducer component, described flexible
Pipe device includes the flexible pipeline section at upper and lower rigid pipe section and middle part, wherein upper rigid pipe section is fixed under the water inlet of the pump housing
Side, lower rigid pipe section are fixedly connected with the strainer, the induction speed reducer component include incude speed reducer, speed reducer fixed plate,
Idler wheel and lifting rope, the induction speed reducer is set to the interior, and is fixedly connected with strainer by speed reducer fixed plate,
The output shaft end of the induction speed reducer is equipped with the idler wheel for winding the lifting rope, and is equipped with rope on idler wheel and connects
Place, the lifting rope other end are connected on the pump housing or upper rigid pipe section；
The water outlet part includes that oxygenation tube body, rotary blade and five are logical, and described five logical be installed on outlet pipe and be connected to
Oxygenation tube body, oxygenation tube body end is final outflow water mouth, and is equipped with rotary blade on the final outflow water mouth.
It is O-shaped close that first is equipped with as the present invention to the preferred of above scheme, between the upper and lower bearing (ball) cover and base
Seal, the machine sealed cover is interior to be full of Seal Oil and is blocked by silk plug.
As the present invention to the preferred of above scheme, between the pump housing and pump cover be equipped with the second O-ring seal, pump cover with
It is equipped with third O-ring seal between lower bearing end cap, the 4th O-ring seal is equipped between the outlet pipe and the pump housing.
As the present invention to the preferred of above scheme, the upper rigid pipe section is connected to by choma with the water inlet of the pump housing,
The upper rigid pipe section is bolted with choma, and the choma is cylindrical shape, and inscribed with the water inlet screw thread of the pump housing.
As the present invention to the preferred of above scheme, the floating body component includes floating drum and clamp, and the floating drum passes through card
Son is fixed on base two sides.
As the present invention to the preferred of above scheme, four branch lines of the five-way valve door are separately installed with oxygen increasing tube
Body.
As the present invention to the preferred of above scheme, the oxygenation tube body is 2 meters long, end with 0.3 meter high outlet
Plastic tube, the rotary blade material are PE, and the oxygenation tube body is that two straight pipes and a bend loss pass through fuse machine one
Body machine-shaping, process No leakage of spraying water.
As the present invention to the preferred of above scheme, the base material is stainless steel, and impeller and upper and lower bearing (ball) cover are
Stainless steel or ironcasting.
The present invention also provides the application methods of above-mentioned multipurpose high-efficiency aerator, the specific steps are as follows:
(1) the multipurpose high-efficiency aerator is placed in appropriate water surface, and by the rotating forward of induction speed reducer or instead
Turn so that refueling boom elongates or shortens, so that water inlet automatic telescopic component is in Larger water depths work appropriate always
Make；
(2) starter motor pump part is rotated by impeller, and water is entered the water inlet of the pump housing by water inlet automatic telescopic component,
Then lead to via the pump housing, outlet pipe, five and enter oxygenation tube body, and dish out to scatter eventually by rotary blade and be filled with air, sunlight
Tap touching.
Compared with the prior art, the beneficial effects of the present invention are:
(1) motor shaft in the present invention passes through the rotor mechanism and is fixedly connected with the rotor mechanism,
Overall weight increases after device in the present invention uses dry type motor, pump direct connection, wet type electric motor to be full of water, and running current
Greatly, pump direct connection does not need in the present invention plus shaft coupling, all components are incorporated on an axis i.e. motor shaft, makes function more than this kind
Can the structure of efficience oxygen increasing machine simplify significantly, weight also mitigates significantly, while when also reducing maintenance cost, reducing maintenance
Between, to extend the service life of Multifucntional high efficiency aerator.
(2) base in the present invention is stainless steel part, and the impeller and upper and lower bearing (ball) cover are stainless steel or ironcasting,
Due to the advantages that pressur casting size is accurate, intensity is high and any surface finish, generally no longer it is machined and is directly used, so
Not only the utilization rate of metal had been improved, but also has reduced a large amount of process equipment and working hour；Part in the present invention can also use group
Combined pressure is cast with other metals or nonmetallic materials, had not only been saved assembly man-hour but also had been saved raw material.
(3) led to and 2 meters long, 0.3 meter of high plastic tube in the present invention using the branch line of five four logical right-angled intersections
It is connected and is connected in final outflow water mouth, rotary blade (totally four) are installed at each final outflow water mouth, so that a large amount of water and sky
Gas and sun exposure, to increase the dissolved oxygen in water body, raiser can suitably increase cultivation according to the dissolved oxygen in water body
Density, to improve the economic benefit of enterprise.
(4) the multipurpose high-efficiency aerator in the present invention combines wheeled conventional leaf, Waterwheel-type and jetting type and air blower
The characteristics of aeration-type oxygen-increasing machine, has a wide range of application；The multipurpose high-efficiency aerator is easy to operate, can make the pump housing as required
Always be suspended in any position on pond surface, water inlet be controllably formed on pond away from 0.5~5m of the water surface at, bottom on daytime waters water
The plants such as algae carry out photosynthesis release oxygen to make bottom waters oxygen content increase, with the enhancing upper water temperature of illumination
Increase causes oxygen content to reduce, and water inlet automatic extending-contracting apparatus drops to superjacent waters and works, and carries out oxygenation to upper water
Upper water temperature had not only been reduced afterwards, but also increased the oxygen content of superjacent waters；The plants such as night bottom waters algae do not simply fail to
It carries out photosynthesis release oxygen but also to breathe to generate great amount of carbon dioxide to make bottom waters oxygen content reduce, at this time
Telescopic device drops to subjacent waters work and carries out oxygenation, can reduce the amount of carbon dioxide in water body, the oxygen for increasing waters contains
Amount, so that pernicious gas be discharged, guarantees the living space of fish.
(5) multipurpose high-efficiency aerator either hydraulic model optimization design and the motor housing in the present invention, still
Stator and rotor have all carried out new process, to realize that overall weight mitigates significantly, a people can be installed, simultaneously also
Alleviate labour.In addition, the overall efficiency of the multipurpose high-efficiency aerator reaches 80% or more, saved largely for raiser
Electric energy, to improve the economic benefit of raiser.
In conclusion the overall structure of the Multifucntional high efficiency aerator in the present invention is simple, reduces costs, gold is improved
The utilization rate of category reduces production, I& M working hour and the service life of extending, improves oxygen transfer rate, saves electric energy, In
Guarantee the overall weight that water pump is greatly alleviated while structural strength, if 10 mu of water surface original cloths set 3 vane type oxygenation
Machine, arranging 2 using this kind of Multifucntional high efficiency aerator can complete, and therefore, which is suitble to supporting
Grow field promotion and application.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, invention is further described in detail.
Fig. 1 is midship section structure schematic diagram of the present invention；
Fig. 2 is water inlet automatic telescopic modular construction schematic diagram in the present invention；
Fig. 3 is pump modular construction schematic diagram in the present invention；
Fig. 4 is floating body component structural schematic diagram in the present invention；
Fig. 5 is water outlet part structural schematic diagram in the present invention；
Fig. 6 is the structure top view of Multifucntional high efficiency aerator of the present invention；
Wherein, 1, water inlet automatic telescopic component, 2, pump component, 3, floating body component, 4, water outlet part, 5, strainer, 6,
Induction speed reducer component, 61, induction speed reducer, 62, speed reducer fixed plate, 7, idler wheel, 8, lifting rope, 9, refueling boom,
91, upper rigid pipe section, 92, flexible pipeline section, 93, lower rigid pipe section, 10, choma, 11, impeller, 12, impeller nut, 13, washer,
14, the pump housing, the 15, second O-ring seal, 16, pump cover, 17, mechanical seal, 18, machine sealed cover, 19, upper and lower bearing, 20, third
O-ring seal, 21, lower bearing end cap, the 22, the 4th O-ring seal, 23, axis, 24, stator, 25, rotor, 26, outlet pipe, 27,
Base, the 28, first O-ring seal, 29, top bearing cover, 30, floating drum, 31, clamp, 32, five is logical, 33, oxygenation tube body, 34, rotation
Rotary impeller.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of multipurpose high-efficiency aerator as shown in Figures 1 to 6, the multipurpose high-efficiency aerator include that water inlet is automatic
Extensible member 1, pump component 2, floating body component 3 and water outlet part 4, wherein
As shown in figure 3, the pump component 2 includes motor and pump, the motor includes base 27 and about 27 base
The upper and lower bearing (ball) cover (29,21) at both ends, the base 27 is interior equipped with motor shaft 23, stator 24 and rotor 25, described upper and lower
The bearing 19 of corresponding motor shaft 23 is equipped in bearing (ball) cover (29,21), 21 bottom of lower bearing end cap is further fixed on machinery
Sealing 17 and machine sealed cover 18, the pump are set to below motor and including the pump housing 14, pump cover 16, impeller 11, impeller nut 12, pads
Circle 13 and outlet pipe 26, the pump housing 14 are bolted with pump cover 16, and pass through pump cover 16 and 21 bolt of lower bearing end cap
It is fixedly connected, the impeller 11 is installed on 23 bottom of motor shaft by impeller nut 12 and washer 13, and 16 side of pump cover passes through spiral shell
Bolt is fixed with the outlet pipe 26；
As shown in Fig. 2, the water inlet automatic telescopic component 1 includes strainer 5, refueling boom 9 and induction speed reducer
Component 6, the refueling boom 9 include the flexible pipeline section 92 of upper and lower rigid pipe section (91,93) and middle part, wherein upper rigid pipe
Section 91 is fixed below the water inlet of the pump housing 14, and lower rigid pipe section 93 is fixedly connected with the strainer 5, the induction speed reducer component
6 include that induction speed reducer 61, speed reducer fixed plate 62, idler wheel 7 and lifting rope 8, the induction speed reducer 61 are set to the filter
Inside net 5, and strainer 5 is fixedly connected with by speed reducer fixed plate 62, the output shaft end of the induction speed reducer 61, which is equipped with, to be twined
Around the idler wheel 7 of the lifting rope 8, and rope junction is equipped on idler wheel 7, lifting 8 other end of rope is connected to the pump housing 14
Or on upper rigid pipe section 91；
As shown in figure 5, the water outlet part 4 includes oxygenation tube body 33, rotary blade 34 and five logical 32, described five logical 32 peaces
Loaded on outlet pipe 26 and being connected to oxygenation tube body 33,33 end of oxygenation tube body is final outflow water mouth, and the final outflow water
Rotary blade 34 is installed on mouthful.
In this example, it is equipped with the first O-ring seal 28 between the upper and lower bearing (ball) cover (29,21) and base 27,
It is full of machine oil in the machine sealed cover 18 and is blocked by silk plug.
In this example, the second O-ring seal 15, pump cover 16 and lower axle socket end are equipped between the pump housing 14 and pump cover 16
It is equipped with third O-ring seal 20 between lid 21, the 4th O-ring seal 22 is equipped between the outlet pipe 26 and the pump housing 14.
In this example, the upper rigid pipe section 91 is connected to by choma 10 with the water inlet of the pump housing 14, the upper rigidity
Pipeline section 91 is bolted with choma 10, and the choma 10 is cylindrical shape, and inscribed with the water inlet screw thread of the pump housing 14.
As shown in figure 4, in this example, the floating body component 3 includes floating drum 30 and clamp 31, the floating drum 30 passes through card
Son 31 is fixed on 27 two sides of base.
In this example, described five logical 32 is logical for five, and four branch lines of the five-way valve door are separately installed with increasing
Oxygen tube body 33.
In this example, the oxygenation tube body 33 is plastic tube of the 2 meters long, end with 0.3 meter high outlet, the rotation
34 material of impeller is PE.
In this example, 27 material of base is stainless steel, and impeller 11 and upper and lower bearing (ball) cover (29,21) are stainless
Steel or ironcasting.
A kind of application method of above-mentioned multipurpose high-efficiency aerator, the specific steps are as follows:
(1) the multipurpose high-efficiency aerator is placed in appropriate water surface, and rotated forward by induction speed reducer 61 or
Reversion is so that refueling boom 9 elongates or shortens, so that water inlet automatic telescopic component 1 is deep in waters appropriate always
Spend work；
(2) starter motor pump part 2, by impeller 11 rotate, water by water inlet automatic telescopic component 1 enter the pump housing 14 into
Then the mouth of a river enters oxygenation tube bodies 33 via the pump housing 14, outlet pipe 26, five logical 32, and it is scattered to dish out eventually by rotary blade 34
It opens and is come into full contact with air, sunlight.
Based on above-mentioned, due in the river of lake the plants such as bottom on daytime waters algae carry out photosynthesis release oxygen to
Increase bottom waters oxygen content, as the enhancing upper water temperature increase of illumination causes oxygen content to reduce, water inlet is stretched automatically
Contracting component 1 drops to superjacent waters and works, and has not only reduced upper water temperature after carrying out oxygenation to upper water, but also increase
The oxygen content in layer waters；The plants such as night bottom waters algae do not simply fail to carry out photosynthesis release oxygen but also breathe
Great amount of carbon dioxide is generated to make bottom waters oxygen content reduce, water inlet automatic telescopic component 1 drops to lower water at this time
Domain work carries out oxygenation, can reduce the amount of carbon dioxide in water body, increase the oxygen content in waters, so that pernicious gas is discharged,
Therefore, the present invention can carry out oxygenation of drawing water in the Larger water depths of needs always by water inlet automatic telescopic component, that is, suck
The water of any level recycles upper and lower layer water to keep water temperature and oxygen uniform, to exclude pernicious gas, reduces harmful salt
It generates, harmful algae is killed by photosynthesis, increase Fish Survival space to increase yield.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of multipurpose high-efficiency aerator, which is characterized in that the multipurpose high-efficiency aerator includes water inlet automatic telescopic
Component, pump component, floating body component and water outlet part, wherein
The pump component includes motor and pump, and the motor includes the upper and lower bearing (ball) cover of base and base upper and lower ends,
It is equipped with motor shaft, stator and rotor in the base, the bearing of corresponding motor shaft, institute are equipped in the upper and lower bearing (ball) cover
State lower bearing end cap bottom and be further fixed on mechanical seal and machine sealed cover, the pump be set to below motor and including the pump housing, pump cover,
Impeller, impeller nut, washer and outlet pipe, the pump housing are bolted with pump cover, and pass through pump cover and lower bearing end cap
Bolt is fixedly connected, and the impeller is installed on motor shaft bottom by impeller nut and washer, and pump cover side is bolted
There is the outlet pipe；
The water inlet automatic telescopic component includes strainer, refueling boom and induction speed reducer component, the telescoping tube dress
Set the flexible pipeline section including upper and lower rigid pipe section and middle part, wherein upper rigid pipe section is fixed below the water inlet of the pump housing, under
Rigid pipe section is fixedly connected with the strainer, the induction speed reducer component include induction speed reducer, speed reducer fixed plate, idler wheel and
Rope is gone up and down, the induction speed reducer is set to the interior, and is fixedly connected with strainer, the sense by speed reducer fixed plate
It answers the output shaft end of speed reducer to be equipped with the idler wheel for winding the lifting rope, and is equipped with rope junction on idler wheel, lifting
The rope other end is connected on rigid pipe section；
The water outlet part includes that oxygenation tube body, rotary blade and five are logical, and described five logical be installed on outlet pipe and be connected to oxygenation
Tube body, oxygenation tube body end is final outflow water mouth, and is equipped with rotary blade on the final outflow water mouth.
2. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that the upper and lower bearing (ball) cover with
It is equipped with the first O-ring seal between base, machine oil is full of in the machine sealed cover and is blocked by silk plug.
3. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that set between the pump housing and pump cover
There is the second O-ring seal, third O-ring seal is equipped between pump cover and lower bearing end cap, is set between the outlet pipe and the pump housing
There is the 4th O-ring seal.
4. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that the upper rigid pipe section passes through mouth
Ring is connected to the water inlet of the pump housing, and the upper rigid pipe section is bolted with choma, the choma be cylindrical shape, and with the pump housing
Water inlet screw thread is inscribed.
5. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that the floating body component includes floating drum
And clamp, the floating drum are fixed on base two sides by clamp.
6. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that four points of the five-way valve door
Bye-pass is separately installed with oxygenation tube body.
7. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that the oxygenation tube body is long 2 meters,
Plastic tube of the end with 0.3 meter high outlet, the rotary blade material is PE.
8. a kind of multipurpose high-efficiency aerator according to claim 1, which is characterized in that the base material is stainless
Steel, impeller and upper and lower bearing (ball) cover are stainless steel or ironcasting.
9. such as a kind of described in any item application methods of multipurpose high-efficiency aerator of claim 1-8, which is characterized in that specific
Steps are as follows:
(1) the multipurpose high-efficiency aerator is placed in appropriate water surface, and by induction speed reducer rotate forward or invert from
And refueling boom is elongated or shortened, so that water inlet automatic telescopic component is in Larger water depths work appropriate always；
(2) starter motor pump part is rotated by impeller, and water is entered the water inlet of the pump housing by water inlet automatic telescopic component, then
Lead to via the pump housing, outlet pipe, five and enter oxygenation tube body, and dishes out to scatter eventually by rotary blade and sufficiently be connect with air, sunlight
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348434.9A CN110384067A (en) | 2018-04-18 | 2018-04-18 | A kind of multipurpose high-efficiency aerator and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348434.9A CN110384067A (en) | 2018-04-18 | 2018-04-18 | A kind of multipurpose high-efficiency aerator and its application method |
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| CN110384067A true CN110384067A (en) | 2019-10-29 |
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ID=68283740
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810348434.9A Pending CN110384067A (en) | 2018-04-18 | 2018-04-18 | A kind of multipurpose high-efficiency aerator and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919813A (en) * | 2020-08-21 | 2020-11-13 | 漳州市同丰科技服务有限公司 | Water body oxygenation device for breeding |
-
2018
- 2018-04-18 CN CN201810348434.9A patent/CN110384067A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919813A (en) * | 2020-08-21 | 2020-11-13 | 漳州市同丰科技服务有限公司 | Water body oxygenation device for breeding |
| CN111919813B (en) * | 2020-08-21 | 2022-09-06 | 宁夏新明润源农业科技有限公司 | Water body oxygenation device for breeding |
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