TWI805295B - Double flow aerator - Google Patents

Abstract

A double-flow aerator is suitable for being installed on a buoy, and includes a transmission unit and an aeration device. The transmission unit is arranged on the buoyancy device and includes a driving part and a transmission shaft group. The aeration device is rotatably provided for the transmission shaft group, and includes a main body unit and an adjustment group rotatably installed on the bottom side of the main body unit. The main body unit forms a water inlet for entering water and an air inlet for air intake. The adjustment group has a positioning part arranged on the main body unit and an adjustment part adjacent to the water inlet. By adjusting the position of the adjustment member relative to the positioning member, the water intake of the water inlet of the aeration device can be increased, and the water flow in contact with the outside air introduced by the air inlet can be increased, so as to improve the effect of oxygenation in water .

Description

Double flow aerator

The invention relates to equipment for cultivating aquatic animals, in particular to a double-flow aerator that can increase the oxygen content in water.

Referring to Fig. 1, a kind of aeration machine 9 disclosed in the invention patent publication number 202145882A of the Republic of China includes a floating frame 91 that can float in a breeding pond, a driving motor 92 installed and fixed on the floating frame 91, and An aeration device 93 arranged at the bottom of the drive motor 92 . The driving motor 92 has a body 921 mounted on the floating frame 91 , and a transmission shaft 922 extending from the body 921 toward the water surface of the culture pond. The aeration device 93 has a shell 931 connected to the bottom end of the drive shaft 922 and submerged in the water, a top end protrudes from the water surface and is sleeved outside the drive shaft 922, and the bottom end is connected to the shell 931. An air sleeve 932, an impeller set 933 fixedly connected to the transmission shaft 922 and located in the casing 931, and a gas-liquid mixing tube (not shown) connected to one side of the casing 931 and used for water outlet. The casing 931 forms a water inlet 930 located below the impeller assembly 933 and used for entering water.

Drive the impeller set 933 to rotate by the transmission shaft 922 to stir the water flow from The water inlet 930 enters the shell 931, and enters the air through the air intake sleeve 932, increasing the contact area between water and air, so that the gas-liquid mixing pipe will directly send the mixed gas-liquid into the water of the culture pond, and then Achieve the effect of increasing the dissolved oxygen in the water in the breeding pond.

Yet the bottom of this transmission shaft 922 of this cultivation pond aerator 9 can pass through this impeller group 933 and protrude from this casing 931, may be involved in fish and block this water inlet when this transmission shaft 922 rotates, and When the external environment causes the water flow in the culture pond to change, the aerator 9 for the culture pond cannot change the angle of the water inlet 930 to comply with the water flow, resulting in a reduction in the amount of water entering, which will affect the oxygenation effect.

Therefore, the object of the present invention is to provide a double-flow aerator that can improve the aeration effect.

Therefore, the double-flow aerator of the present invention is suitable for being installed on a buoy, and the double-flow aerator includes a transmission unit and an aeration device.

The transmission unit is suitable for being arranged on the buoyant device, and includes a driving part that can be driven by electricity, and a transmission shaft set extending from the driving part toward the bottom side along a top-bottom direction.

The aeration device is rotatably provided for the transmission shaft group, and the aeration device includes a main body unit, and a rotation unit arranged on the transmission shaft group and located in the main body unit and driven by the transmission shaft group to stir the water flow pieces, and a rotatably mounted on the main body The adjustment group on the bottom side of the unit, the main unit is formed with a water inlet for entering water, an air inlet for air intake, and a water outlet for water outlet, the adjustment group has a A positioning piece, and an adjusting piece adjacent to the water inlet, the adjusting piece has a chute that can slide relative to the positioning piece, and a space that communicates with the surrounding environment and the water inlet of the water inlet, by adjusting the The position of the chute relative to the positioning member can change the angle of the water inlet relative to the water inlet.

The effect of the present invention is: by adjusting the position of the chute relative to the positioning member, the angle of the water inlet relative to the water inlet can be changed in accordance with the direction of water flow, thereby increasing the water intake of the water inlet of the aeration device , increase the water flow in contact with the air to achieve the effect of increasing oxygen in the water.

1: buoyancy

11: Ontology

100: double flow aerator

111: slotting

12: Connecting part

121: Mounting hole

13:Fixer

131: bridge department

132: Engagement stem

133: Slit

2: Oxygenation device

21: Bracket

211: carrier

212: support rod

22: Main unit

221: Space in the shell

222: channel

223: jet tube

224: water outlet

23: First shell

231: Hole

232: fixed part

24: Second shell

241: water inlet

25: Amplification tube

251: connecting pipe

252: straight tube

253: Horizontal pipe department

254: air inlet

255: perforation

26: rotating parts

27: Oil-free bushing

271: Groove

28: Adjustment group

281: Adjustment parts

282: Positioner

283: fixed wall

284: base wall

285: Chute

286: water inlet

29: Injection pipe

291: opening

3: Transmission unit

31: Driver

32: Transmission shaft group

321: mandrel

322:Coupling

323: drive shaft

324: Bottom

325: Installation section

4: Filter unit

41: filter screen

411: Bottom net part

412: Surrounding net department

413: Ring

414: spoke

415: mesh

42: side net

5: Intake pipe group

51: Intake pipe

52: Tee pipe

8: water surface

9: Aerator

91: floating frame

92: Drive motor

921: Ontology

922: drive shaft

93: Oxygenation device

930: water inlet

931: shell

932: Air intake sleeve

933: impeller group

X: axis

Z: top and bottom direction

L1: the first direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: Fig. 1 is a sectional view, and illustrates a kind of aeration machine for aquaculture pond disclosed in the invention patent publication number 202145882A of the Republic of China; Fig. 2 is a three-dimensional exploded view, and illustrates a first embodiment of the double flow type aerator of the present invention; Fig. 3 is a three-dimensional combined view of Fig. 2; Fig. 4 is taken along the line IV-IV in Fig. 3 A cross-sectional schematic diagram of The connection relationship between an oxygen increasing device and a transmission unit of the first embodiment; FIG. 5 is a three-dimensional schematic diagram of an amplification tube of the first embodiment; FIG. 6 is an oil-free bushing of the first embodiment Fig. 7 is an incomplete partial perspective view of the first embodiment; Fig. 8 is a schematic bottom view of Fig. 7; Fig. 9 is a combined schematic view, and illustrates a first double-flow aerator of the present invention Two embodiments; Figure 10 is a schematic cross-sectional view of the second embodiment, illustrating the connection relationship between the aeration device and an intake pipe group; Figure 11 is a schematic cross-sectional view, illustrating a change of the second embodiment Example; Fig. 12 is a schematic diagram of a top view, illustrating that several of the flow-doubler aerators and several buoyants are connected into a combination of a double-flow type aerator; Fig. 13 is viewed from the bottom side towards the top side of Fig. 12 A three-dimensional view; Figure 14 is a three-dimensional exploded schematic diagram, illustrating that several of the aeration devices are connected in series to form another double-flow type aerator combination; Figure 15 is a combined schematic diagram of Figure 14; and Figure 16 is a schematic diagram of Figure 15 Cutaway diagram.

Referring to Fig. 2 to Fig. 4, a first implementation of the double-flow aerator 100 of the present invention For example, it is suitable for being installed on a buoy 1 and used to be placed in a breeding pond or on the coast. Trachea group 5.

The buoyant device 1 is used to float on a water surface 8 of the culture pond, and has the through groove 111 passing through both ends of the top and bottom along a top-bottom direction Z.

The oxygen increasing device 2 includes a bracket 21 connected to the buoyancy device 1 and protruding into the water surface 8 through the slot 111 , and a main unit 22 connected to the bottom of the bracket 21 . The support 21 has a platform 211 fixed on the buoyant device 1 , and three supporting rods 212 arranged at intervals and extending from the platform 211 to the main unit 22 .

The main body unit 22 has a first housing 23, a second housing 24 matched with the first housing 23, and an extension connected to the first housing 23 and the second housing 24. Tube 25.

The first housing 23 cooperates with the second housing 24 to define a substantially disc-shaped shell space 221, a channel 222 extending obliquely from the shell space 221, and a channel connected to the channel. The jet pipe part 223 of 222, the jet pipe part 223 communicates with the inner space 221 of the housing through the channel 222. The first housing 23 has a receiving hole 231 extending along an axis X and higher than the inner space 221 of the housing, and three fixing portions 232 located on the outer periphery for the support rods 212 to pass through, wherein the axis X X is parallel to the top-bottom direction Z. The fixing portion 232 of the first embodiment is a round hole. The bottom of the second casing 24 is formed with a water inlet 241 aligned with the axis X and used for entering water. The end of the 223 away from the water inlet 241 forms a water outlet 224 for water outlet.

It is worth mentioning that the first shell 23 is integrally formed, the second shell 24 is integrally formed, and the two are manufactured separately and then combined up and down, but it is not limited thereto, the first shell 23 and the second shell The casing 24 can also be a combination of left and right casings or can be composed of several components, as long as the space 221 in the casing and the jet tube portion 223 can be formed.

Referring to Fig. 2, Fig. 4 and Fig. 5, the amplification tube 25 is sleeved outside the water outlet 224 and communicated with the water outlet 224, the amplification tube 25 has a connecting pipe part 251 connected to the main unit 22, A straight pipe portion 252 vertically connected to the connecting pipe portion 251 , and two horizontal pipe portions 253 respectively formed on top and bottom ends of the straight pipe portion 252 . The top surface of the connecting pipe portion 251 is formed with an air inlet 254, and the side of the straight pipe portion 252 and the horizontal pipe portions 253 away from the main unit 22 is formed with several spaced through holes 255 with elongated cross-sections. The extending direction of the perforations 255 of the straight tube portion 252 is parallel to the top-bottom direction Z, and the extending direction of the perforations 255 of the horizontal tube portions 253 is perpendicular to the top-bottom direction Z, but the perforations 255 can also be The shape of round hole, oval hole or elongated hole is not a limitation of the present invention. Wherein, one end of each horizontal pipe portion 253 away from the straight pipe portion 252 is closed, so that the amplification pipe 25 forms a vortex space, and the water flowing into the connecting pipe portion 251 of the amplification pipe 25 from the water outlet 224 The water flow is agitated to form a water pressure, and the water pressure will pressurize the water flow to spray out from the perforations 255 .

It should be noted that due to the special shape design of the straight pipe portion 252 and the horizontal pipe portions 253 of the amplification pipe 25, when the water in the amplification pipe 25 flows through the perforations When the 255 is ejected, a pressure difference will be formed to drive the surrounding pool water to form a strong water flow that flows synchronously with the water flow ejected from the perforations 255, further increasing the oxygenation effect.

Referring to FIGS. 2 to 4 , the transmission unit 3 is installed on the platform 211 of the bracket 21 and includes a driving member 31 disposed on the platform 211 , and a driving member 31 extending from the driving member 31 to the bottom side along the axis X. And stretch into the power transmission shaft group 32 of this water surface 8 from this through groove 111. The support rods 212 surround the transmission shaft set 32 . The driving member 31 of the first embodiment is a motor. The transmission shaft assembly 32 has a shaft 321 connected to the driving member 31 , a coupling 322 connected to the shaft 321 , and a transmission shaft 323 connected to the coupling 322 . The transmission shaft 323 extends along the top-bottom direction Z and terminates at a bottom end 324 , and the bottom end 324 is located in the inner space 221 of the casing. The driver 31 is positioned on the buoy 1 through the bracket 21 , and the buoyancy of the buoy 1 makes the driver 31 higher than the water surface 8 , which can protect the driver 31 and prolong its service life. The driving member 31 is electrically driven to drive the drive shaft assembly 32 to rotate along the axis X. As shown in FIG.

In detail, the aeration device 2 also has a rotating member 26 located in the inner space 221 of the housing and arranged on the bottom end 324 of the transmission shaft 323 and rotating with the transmission shaft 323, and a rotating member 26 arranged in the first housing. The oil-free bushing 27 through which the transmission shaft 323 can rotatably pass through the cavity 231 of the body 23 , and an adjustment group 28 that is adjustablely disposed on the second housing 24 . Utilize the rotation of the rotating member 26 to stir the water flow flowing into the shell space 221 from the water inlet 241, and make the water flow quickly pass through the passage 222 and enter the amplification tube 25 from the water outlet 224 by centrifugal force, and finally flow from the water outlet 224 Wait for the perforation 255 to flow out at a high speed. This section In one embodiment, the rotating member 26 is an impeller, but it can also be a blade fan or other rotating elements.

Referring to Fig. 4 and Fig. 6, the oil-free sleeve 27 is made of graphite material and the inner peripheral edge is formed with several grooves 271 extending along the top-bottom direction Z and spaced apart, through which the fluid is injected to The friction between the transmission shaft 323 and the oil-free sleeve 27 is reduced. This first embodiment utilizes the use characteristics of the oil-free bushing 27, and does not need to install traditional bearings at the upper and lower ends of the rotating member 26 for the transmission shaft 323 to pass through, so the bottom end 324 of the transmission shaft 323 is coated The space 221 in the shell does not protrude from the second casing 24, which can prevent the rotating member 26 from agitating fish, shrimps or aquatic plants and blocking the water inlet 241 when rotating, so the first embodiment can increase the water intake. , increase the flow of water in contact with the air, thereby increasing the oxygen content in the water.

It is worth noting that the oil-free bushing 27 can also be replaced by bushings made of other materials, such as ceramic materials.

7 and 8, the adjustment group 28 is arranged on the bottom side of the second housing 24, and has an adjustment member 281 adjacent to the water inlet 241, and a fixing member 28 for fixing on the second housing 24. Positioning piece 282 . The adjustment member 281 has a U-shaped fixed wall 283 screwed on the bottom of the second casing 24 , and a base wall 284 extending from the fixed wall 283 away from the second casing 24 . The fixed wall 283 forms a sliding groove 285 that can slide relative to the positioning member 282 , and the base wall 284 forms a water inlet 286 that communicates with the surrounding environment and the water inlet 241 . By loosening the fixed wall 283 and turning the adjusting member 281 to adjust the position of the chute 285 relative to the positioning member 282, and then Change the angle of the water inlet 286 relative to the water inlet 241 .

Therefore, the present invention can suitably change the angle of the water inlet 286 relative to the water inlet 241 according to the direction of the water flow, and then increase the water inlet 286 of the adjustment member 281 by increasing the amount of water in contact with the air. Water flow to increase the oxygen content in the water.

Referring to Figures 2 to 4, the filter screen unit 4 includes a filter screen 41 surrounding the main unit 22 and sleeved on the support rods 212. The filter screen 41 has a lower than the water inlet 241 and is formed with several A bottom mesh portion 411 of radial spokes 414, a surrounding mesh portion 412 extending from the periphery of the bottom mesh portion 411 toward the support rods 212 and forming several interlaced mesh sheets 415, and several mesh portions 412 arranged on The ring 413 surrounds the top side of the net part 412 and is sleeved by the support rods 212 .

The air inlet pipe set 5 includes an air inlet pipe 51 extending along the top-bottom direction Z and connected to the amplification pipe 25 , one end of the air inlet pipe 51 is in fluid communication with the outside world, and the other end is in fluid communication with the air inlet 254 connected.

Referring to FIG. 4 , when the first embodiment is placed in the culture pond, first adjust the water inlet 286 of the adjustment member 281 to follow the water flow direction in the culture pond to maximize the water intake. The water flow in the culture pond will enter the water inlet 241 through the water inlet 286, and the driving member 31 drives the drive shaft assembly 32 to drive the rotating member 26 to rotate synchronously to stir and inhale the water flow, so that the water flow goes along the tangential direction to the channel. 222 flows to the jet tube portion 223. At the same time, the air intake pipe 51 introduces the outside air into the aeration device by the air inlet 254. Set 2, because the jet pipe part 223 is a Venturi tube structure, it can accelerate the mixing of the sprayed water flow and the gas, and the water flow after the gas-liquid mixture flows through the water outlet 224 to the amplification tube 25, and passes through the amplification tube The vortex thrust produced by 25 accelerates the water flow to be ejected from the perforations 255 to achieve the effect of increasing oxygen in the water.

In addition, the first embodiment also surrounds the water inlet 241 through the filter unit 4, which can prevent fish, shrimps or aquatic plants in the water from getting involved in the water inlet 241 and blocking the water inlet 241. This first embodiment can maintain the water inlet 241. The smoothness of the water inlet 241 ensures that the water intake is optimized to enhance the oxygenation effect. In some variations, for example, when the oil-free bushing 27 is used to sleeve the transmission shaft 323, since the bottom end 324 of the transmission shaft 323 will not protrude from the second housing 24, the rotating part can be avoided. 26 when rotating, stir in fish and shrimp or aquatic plants and block the problem of this water inlet 241, just can omit this screen unit 4 this moment.

Referring to Fig. 9 and Fig. 10, a second embodiment of the double flow type aerator 100 of the present invention, it is similar to this first embodiment, and difference is:

The main unit 22 of the aeration device 2 of the second embodiment omits the amplification tube 25 (see FIG. 4 ), and the main unit 22 also includes a spray tube 29, one end of which is sleeved on the second tube. The first housing 23 and the second housing 24 form the air inlet 254 , and the other end of the injection pipe 29 forms an opening 291 . The intake pipe 51 of the intake pipe set 5 is connected to the air inlet 254 of the injection pipe 29 and communicates with the jet pipe part 223 in space.

When the second embodiment is placed in the culture pond, the driving member 31 drives the The transmission shaft group 32 drives the rotating member 26 to rotate synchronously to stir the water in the culture pond to form a water flow. The water flow is sucked into the water inlet 241 through the water inlet 286, so that the water flow flows along the tangential direction to the channel 222 to the water inlet 241. Jet tube part 223 . At the same time, the air intake pipe 51 introduces the external air into the jet pipe portion 223 of the aeration device 2 by the air inlet 254 of the jet pipe 29 and mixes it with the water flow. The opening 291 ejects. This second embodiment can also achieve the effect of increasing oxygen in water.

Referring to FIG. 11 , in some variations, the air inlet 254 is formed in the first casing 23, the air inlet pipe 51 is connected to the air inlet 254 of the first casing 23, and the gas-liquid mixed water flow After passing through the water outlet 224, it is sprayed out from the opening 291, which can also achieve the effect of increasing oxygen in water.

Referring to Fig. 12 and Fig. 13, in order to improve the aeration effect, in actual application, several of the double-flow aerators 100 and several of the buoys 1 can also be connected in parallel to form a double-flow aerator combination. Increase water intake.

These buoyant devices 1 are paralleled along a first direction L1, and each of the buoyant devices 1 includes a hollow rectangular body 11 formed with the through groove 111, and four connections arranged at the four corners of the body 11. Section 12. Each connecting portion 12 has a circular mounting hole 121 .

Each of the fixing pieces 13 is used for connecting two adjacent buoyancy devices 1 , and has a bridge portion 131 and two connecting rod portions 132 respectively extending downward from two ends of the bridge portion 131 . By forming a slit 133 in each of the engaging rods 132, the engaging rods 132 It can be elastically deformed and pressed into the installation holes 121 of the two adjacent buoys 1 so that each of the fixing pieces 13 is engaged with the two connecting parts 12 , so that the buoys 1 are paralleled and fixed.

The flow-multiplier aerators 100 are arranged on the corresponding buoys 1 respectively. The detailed structure and function of each of the flow-doubler aerators 100 have been described above, and will not be repeated here.

It is worth mentioning that in addition to the one-to-one cooperation of the buoys 1 and the double-flow aerators 100 combined by the flow-doubler aerator, a one-to-many method can also be used. As long as several flow-doubler aerators 100 can be used in parallel.

Through the parallel-connected combination of the flow-doubler aerators, several flow-doubler aerators 100 can be accommodated in the breeding pond at the same time, and the oxygenation effect can be improved by increasing the overall water intake.

Referring to Fig. 14 to Fig. 16, in order to increase the water intake, in addition to the aforementioned parallel connection, several aeration devices 2 can be connected in series to form another double-flow aerator combination. Therefore, the flow-doubler aeration unit is suitable for being installed on a buoy 1, and the flow-doubler aerator combination includes three aeration devices 2, a transmission unit 3, a filter unit 4 and a further Trachea group 5.

The aeration devices 2 are arranged in series on the drive shaft set 32 at intervals along the top-bottom direction Z. The detailed structure and function of each aeration device 2 have been described before, and will not be repeated here. The difference is that the bracket 21 of the aeration device 2 on the top layer has the carrier 211 and the support rods 212 , the support 21 of the aeration device 2 of the other two layers only has With the support rods 212, the support rods 212 of the aeration devices 2 are connected in series along the top-bottom direction Z.

The transmission shaft 323 of the transmission shaft group 32 of the transmission unit 3 is composed of three shafts. The transmission shaft 323 has several installation sections 325 that are spaced apart and correspond to the oxygen increasing devices 2 respectively. The mounting section 325 is formed on the bottom side of the transmission shaft 323 . The rotating member 26 of each aeration device 2 is disposed on the corresponding installation section 325 . The drive shaft 323 is driven by the drive member 31 to rotate, so that the rotating members 26 of the aeration devices 2 rotate synchronously to stir the water flow.

The filter screen unit 4 includes a filter screen 41 disposed on the bottommost side of the aeration device 2 , and several side screens 42 arranged around two adjacent aeration devices 2 . The side nets 42 surround and are installed outside the supporting rods 212 of the two adjacent aeration devices 2 , which can also prevent fish, shrimp or aquatic plants from getting involved in the water inlet 241 .

The intake pipe set 5 includes the intake pipe 51, and three three-way pipes 52 extending from the air intake pipe 51 and respectively corresponding to the aeration devices 2, and each of the three-way pipes 52 communicates with the corresponding The air inlet 254.

It should be noted that the number of these aeration devices 2 combined with the double-flow aerator is not limited to three, and can be adjusted according to the depth of the culture pond and by changing the number of shafts of the drive shaft 323. The quantity of the aeration device 2 used.

The number of these aeration devices 2 can be flexibly changed through the series-connected combination of the double-flow aerators. In addition to increasing the overall water intake to improve the aeration effect, it is also suitable for The aquaculture pond is used for different deep and shallow water levels, and has good applicability.

In summary, the double-flow aerator 100 of the present invention can change the angle of the water inlet 286 relative to the water inlet 241 by adjusting the position of the chute 285 relative to the positioning member 282, so that the adjustment member This water inlet 286 of 281 can conform to the direction of water flow, guarantees that water intake is optimum, so, can really reach the purpose of the present invention.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

100: double flow aerator

2: Oxygenation device

21: Bracket

211: carrier

212: support rod

22: Main unit

221: Space in the shell

222: channel

223: jet tube

224: water outlet

23: First shell

231: Hole

24: Second shell

241: water inlet

25: Amplification tube

254: air inlet

255: perforation

26: rotating parts

27: Oil-free bushing

28: Adjustment group

281: Adjustment parts

286: water inlet

3: Transmission unit

31: Driver

32: Transmission shaft group

321: mandrel

322:Coupling

323: drive shaft

324: Bottom

4: Filter unit

411: Bottom net part

5: Intake pipe group

51: Intake pipe

8: water surface

X: axis

Z: top and bottom direction

Claims (10)

A double-flow aerator suitable for installation on a buoy, the double-flow aerator includes: a transmission unit, suitable for being arranged on the buoy, and includes a driving part that can be driven by electricity, and a A transmission shaft set extending from the drive member toward the bottom side along a top-bottom direction; and an aeration device for the transmission shaft set to be rotatably arranged, the aeration device includes a main body unit, and a set is arranged on the transmission shaft set And located in the main unit and driven by the transmission shaft group to stir the water flow, and an adjustment group rotatably installed on the bottom side of the main unit, the main unit forms a water inlet for entering water , an air inlet for air intake, and a water outlet for water outlet, the adjustment group has a positioning member arranged on the main unit, and an adjustment member adjacent to the water inlet, the adjustment member has a A chute that can slide relative to the positioning member, and a space that communicates with the surrounding environment and the water inlet of the water inlet. By adjusting the position of the chute relative to the positioning member, the relationship between the water inlet and the water inlet can be changed. Angle. The double-flow aerator as described in claim 1, wherein, the adjustment member of the adjustment group also has a U-shaped fixed wall installed on the bottom side of the main unit, and a U-shaped fixed wall away from the fixed wall. The base wall extending in the direction of the main body unit, the fixed wall is formed with the chute, and the base wall is formed with the water inlet. The double-flow aerator as described in Claim 1, wherein the main body unit also has a first shell, and a second shell that fits with the first shell, and the second shell is used for The adjustment group is set and formed with the water inlet, the The first shell cooperates with the second shell to define a space inside the shell for the rotating member to accommodate, and a jet tube part communicating with the space inside the shell, and one end of the jet tube part forms the water outlet. The double-flow aerator according to claim 3, wherein the first housing is integrally formed, and the second housing is integrally formed. The flow-doubler aerator as described in claim 3, wherein, the first housing and the second housing cooperate to define a channel obliquely connecting the space of the housing and the jet tube. The double-flow aerator as described in claim 1, wherein, the main body unit also has an amplification tube communicated with the water outlet, the amplification tube has the air inlet, and the amplification tube is formed with several corresponding With spaced perforations, the water flow flowing into the amplification tube from the water outlet is agitated to form a water pressure, and the water pressure will pressurize the water flow to be ejected from the perforations. The double-flow aerator as described in claim 6, wherein the amplification tube has a connecting tube part connected to the main unit, a straight tube part vertically connected to the connecting tube part, and two The through holes are formed in the straight tube portion and the horizontal tube portions at both ends of the straight tube portion. The double-flow aerator as described in Claim 1 further includes a filter unit arranged on the main unit and surrounding the water inlet. The double-flow aerator as described in Claim 1, wherein the transmission shaft set has a spindle connected to the driving member, a coupling connected to the spindle, and a transmission shaft connected to the coupling axis. The double-flow aerator as described in claim 1, further comprising an air intake pipe set, the air intake pipe set includes a pipe set on the main body unit and communicated with the air inlet And it is used to introduce the air intake pipe of the external fluid.

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