CN210610738U - A oxygenation is thrown and is raised all-in-one for aquaculture - Google Patents

Abstract

The utility model discloses an oxygenation is thrown and is raised all-in-one for aquaculture, include the pedestal and install in the frame support of pedestal bottom, be equipped with the oxygenation motor on the pedestal, its transmission is connected with main pivot, main pivot transmission is connected with from the pivot, be connected with the pivot of intaking of vertical setting from the pivot transmission, shallow water oxygenation water wheels are installed to the bottom of the pivot of intaking, be equipped with the aspirator pump on the pedestal, it is connected with the oxygenation motor transmission, deep water oxygen supply pipe is installed to its air-out end, its bottom intercommunication has annular oxygen spray pipe, be equipped with the storage silo on the pedestal, its bottom is rotated and is connected with the feed pipe, the feed pipe bottom is connected with and gets rid of, the lower part of frame support is equipped with the gasbag and installs the fender material circle, it is located it to get rid of. The device realizes the integration of oxygen increasing and feeding equipment and functions, so that the fish can eat in an oxygen-increasing water area, obtains food nutrition while increasing oxygen, improves the growth environment of the fish, promotes the growth of the fish, and does not hurt the fish.

Description

A oxygenation is thrown and is raised all-in-one for aquaculture

Technical Field

The utility model relates to a mechanical equipment field particularly, relates to an oxygenation is thrown and is raised all-in-one for aquaculture.

Background

The oxygen increasing machine is a common device in the field of fishery culture, can increase the oxygen content in water to avoid oxygen deficiency of fish, and can inhibit the growth of anaerobic bacteria in the water body to prevent the deterioration of pond water from threatening the living environment of the fish.

In the process of fishery culture, not only an aerator is required to aerate the water body, but also feeding equipment is required to feed fishes to ensure the normal growth of the fishes, therefore, the oxygen increasing and feeding integrated machine can be produced at the same time, the existing oxygen increasing and feeding integrated machine only realizes the functional integration and can realize two functions of oxygen increasing and feeding, however, the oxygen increasing component can disturb the water mechanically or pneumatically, fish tend to be less harmful and less close to the oxygen increasing component, the fish are easily injured after the fish close to the oxygen increasing component, the water stirring caused by the oxygen increasing component can drive feed to drift, the fish eating is influenced, therefore, the distance between the oxygen increasing component and the feeding component is generally far, the whole equipment is complex and huge, the equipment integration cannot be realized, the distance between the oxygen increasing water area and the feeding water area is far, the fish cannot obtain oxygen in the oxygen increasing water area when eating in the feeding range of the feeding equipment, and the fish cannot eat during oxygen deficiency and oxygen supplementation.

The conventional aerator has a good aeration effect on shallow water bodies, but cannot effectively oxygenate deep water bodies.

The present application is made in view of this feature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oxygenation is thrown and is raised all-in-one for aquaculture, its equipment, the function integration that has realized oxygenation and has thrown the feed makes fish can eat in the oxygenation waters, acquires food nutrition in the oxygenation, promotes the growing environment of fish, promotes fish growth to can not hinder and reach fish.

In order to realize the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an oxygenation and feeding integrated machine for aquaculture, which comprises a seat body and a frame-shaped support arranged at the bottom of the seat body, wherein an oxygenation motor is arranged on the seat body, the oxygenation motor is connected with a main rotating shaft through gear set transmission, two ends of the main rotating shaft are respectively connected with a driven rotating shaft through transmission, two ends of the driven rotating shaft are respectively connected with a vertically arranged water inlet rotating shaft through transmission, a shallow water oxygenation water wheel is arranged at the bottom of the water inlet rotating shaft, the main rotating shaft, the driven rotating shaft and the water inlet rotating shaft are all arranged on the frame-shaped support, a suction pump is arranged on the seat body, an impeller rotating shaft of the suction pump is connected with the oxygenation motor through gear set transmission, a deep water oxygen supply pipe is arranged at the air outlet end of the suction pump, the bottom of the deep water oxygen supply pipe is communicated with an annular oxygen spray pipe, a plurality of oxygen spray holes are uniformly arranged on the oxygen spray pipe, be equipped with on the storage silo and throw and raise the motor, throw and raise the motor and pass through the gear train and be connected with the feed pipe transmission, the feed pipe bottom is connected with and gets rid of the feed bin, the lateral wall of getting rid of the feed bin has evenly opened a plurality of material holes of getting rid of, the lateral wall of the lower part of frame shape support is equipped with the gasbag, the lower part of frame shape support is installed and is kept off the material circle, it is located to get rid of the feed bin and keeps off the material circle and be located on the surface of water, the bottom that keeps off the material circle is located under the surface of.

Preferably, the frame-shaped support is provided with a propeller, a rudder is arranged below the propeller, and the deep water oxygen supply pipe and the oxygen spraying pipe are hoses.

Preferably, the air inlet end of the air suction pump is provided with a plurality of layers of filter screens.

Compared with the prior art, the utility model provides an oxygenation all-in-one of raising is thrown to oxygen for aquaculture's beneficial effect is:

(1) the frame-shaped bracket is arranged at the bottom of the seat body, and the air bag is arranged on the side wall of the lower part of the frame-shaped bracket, so that the upper part of the frame-shaped bracket and the seat body are both floated on the water surface, and the whole device is prevented from sinking;

(2) the oxygen increasing motor is arranged on the seat body and is in transmission connection with the main rotating shaft, the two ends of the main rotating shaft are in transmission connection with the two slave rotating shafts, then the two ends of the two slave rotating shafts are in transmission connection with the four vertically arranged water inlet rotating shafts, the shallow water oxygen increasing water wheels are arranged at the bottoms of the water inlet rotating shafts, the main rotating shaft is driven to rotate by the oxygen increasing motor, the two slave rotating shafts are driven to rotate synchronously and at the same speed, then the four water inlet rotating shafts are driven to rotate synchronously and at the same speed, so that the four oxygen increasing turbines are driven to rotate synchronously and at the same speed, a diving layer is disturbed, the contact area of a water body and oxygen in the air is increased, the dissolved oxygen in the shallow water layer is promoted, the four shallow water oxygen increasing water wheels which rotate synchronously can effectively ensure that the integral stress and acting force of the equipment during working are balanced, and the conditions of lateral movement, side turning or self rotation, A support foundation is provided for the rotating shaft and the water inlet rotating shaft, so that the three are stably arranged by taking the frame-shaped bracket as a support;

(3) the storage bin is arranged on the base body, a large amount of feed is stored, the bottom of the storage bin is provided with a vertically arranged feed pipe which is rotatably connected with the storage bin and is communicated with the interior of the storage bin, the bottom of the feed pipe is connected with a throwing bin, the throwing bin is positioned above the water surface, the side wall of the throwing bin is uniformly provided with throwing holes, the storage bin is provided with a throwing motor, the throwing motor is in transmission connection with the feed pipe, the feed in the storage bin enters the throwing bin through the feed pipe under the action of gravity, the throwing motor drives the feed pipe to rotate and further drives the throwing bin to rotate, the feed in the throwing bin is thrown out of the throwing holes under the action of centrifugal force and falls into water, and the throwing effect is realized;

(4) the bottom of the frame-shaped support is provided with the material blocking ring, the bottom of the material blocking ring is positioned below the water surface, and the throwing bin is positioned in the material blocking ring, so that on one hand, feed thrown out of the throwing bin is blocked by the inner side wall of the material blocking ring, the feed is prevented from scattering, even falls near the shallow water oxygenation water wheels, and the fish are effectively prevented from being injured when eating;

(5) the base body is provided with the air suction pump, the rotating shaft of the impeller of the air suction pump is in transmission connection with the oxygen increasing motor, the oxygen increasing motor is utilized to drive the air suction pump to work simultaneously, the deep water oxygen supply pipe is arranged at the air outlet end of the air suction pump, the bottom of the deep water oxygen supply pipe is communicated with the annular closed oxygen spraying pipe, the oxygen spraying pipe is uniformly provided with oxygen spraying holes, oxygen in air sucked by the air suction pump is conveyed to the deep water layer to increase oxygen for the water body of the deep water layer, the air naturally floats upwards in the deep water layer to gradually increase the oxygen for the water body between the deep water layer and the shallow water layer, the annular oxygen spraying pipe is sleeved at the bottom of the mesh enclosure to support the bottom of the mesh enclosure, the air sprayed by the oxygen spraying pipe can be attached to the mesh enclosure in the floating process, the time that the air is separated from the water surface is prolonged, the oxygen increasing effect is improved, and the fishes can also increase the oxygen through the oxygen, the mesh enclosure can reduce the impact and the stirring of the gas sprayed by the oxygen spraying pipe on the water body and prevent fishes from being far away;

(6) the propeller is arranged on the frame-shaped support, the rudder is arranged below the propeller, so that the whole equipment can directionally move on the water surface, fixed-point oxygen increasing and feeding are carried out on different water areas, the deep water feeding pipe and the oxygen spraying pipe are arranged into hoses, fish is prevented from being injured when the equipment moves, the bottom of the material blocking ring is positioned below the water surface, and when the equipment moves directionally, the thrown feed on the water surface can be driven to move together, so that the thrown feed is prevented from being scattered and involved into an oxygen increasing area to injure the eating fish;

(7) through installing multilayer filter screen at the air inlet end of aspirator pump, carry out the multiple-layer filtering to inspiratory air, reduce the dust and the impurity volume of inhaling the air, prevent that dust impurity from polluting the water.

Drawings

FIG. 1 is a schematic view of the oxygen-increasing and feeding integrated machine for aquaculture provided by the present invention;

FIG. 2 is a top view of the mounting positions of the main rotating shaft and the auxiliary rotating shaft on the frame-shaped bracket of the integrated oxygenation and feeding machine for aquaculture provided by the utility model;

FIG. 3 is a schematic view of the connection between the oxygen-increasing motor, the air suction pump and the main rotating shaft of the oxygen-increasing and feeding integrated machine for aquaculture provided by the present invention;

FIG. 4 is a schematic view of the connection between the main rotating shaft and the auxiliary rotating shaft of the oxygenation and feeding integrated machine for aquaculture provided by the utility model;

FIG. 5 is a schematic view of the connection between the rotation shaft and the water inlet rotation shaft of the oxygenation and feeding integrated machine for aquaculture provided by the utility model;

fig. 6 is a partial schematic view of the joint between the feeding motor and the feeding pipe of the oxygenation feeding integrated machine for aquaculture provided by the utility model.

The labels in the figure are: 10-a seat body; 20-an oxygen increasing motor; 201-a first output gear; 202-a first input gear; 203-a second output gear; 204-a second input gear; 205-third output gear; 206-a third input gear; 207-fourth output gear; 208-a fourth input gear; 209-fifth output gear; 210-a fifth input gear; 21-a feeding motor; 22-a propeller; 221-rudder; 23-a steering motor; 30-a frame-shaped support; 31-an air bag; 40-a main rotating shaft; 41-slave rotating shaft; 42-water inlet rotating shaft; 50-shallow water oxygenation water wheel; 501-water stirring tank; 60-a getter pump; 601-air inlet end; 602-an air outlet end; 61-impeller shaft; 70-deepwater oxygen supply pipe; 71-oxygen spraying pipe; 711-oxygen injection holes; 80-a storage bin; 81-a feeding pipe; 82-a throwing bin; 821-throwing hole; 90-material blocking ring; 91-net cover.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention:

examples

Referring to fig. 1, the embodiment provides an oxygen-increasing and feeding integrated machine for aquaculture, which includes a base 10 and a frame-shaped support 30 installed at the bottom of the base 10, wherein the frame-shaped support 30 has a height in the vertical direction, and an air bag 31 is disposed on a side wall of the lower portion of the frame-shaped support 30 for making the frame-shaped support 30 and the base 10 installed thereon integrally float on the water surface, and a space for arranging components related to feeding is generated between the bottom of the base 10 and the water surface through the installation of the frame-shaped support 30.

Referring to fig. 1 to 6, an oxygen increasing motor 20 is disposed on the base 10 and fixed on the base 10, an output shaft vertically passes through the base 10, a horizontally disposed main rotating shaft 40 is mounted on the frame-shaped bracket 30, the main rotating shaft 40 can axially rotate relative to the frame-shaped bracket 30, a first output gear 201 is mounted on the output shaft of the oxygen increasing motor 20, a first input gear 202 is mounted on the main rotating shaft 40, the first output gear 201 is engaged with the first input gear 202, so that the main rotating shaft 40 is driven to rotate by the oxygen increasing motor 20, a secondary rotating shaft 41 is horizontally mounted at two ends of the main rotating shaft 40 of the frame-shaped bracket 30, the main rotating shaft 40 and the two secondary rotating shafts 41 are arranged in an "i" shape, a second output gear 203 is mounted at two ends of the main rotating shaft 40, a second input gear 204 is mounted on the secondary rotating shaft 41, each second output gear 203 is engaged with a corresponding second input gear 204, thereby the main rotating shaft 40 drives the two slave rotating shafts 41 to rotate synchronously and at the same speed, the frame-shaped bracket 30 is provided with a water inlet rotating shaft 42 respectively and vertically arranged at four end parts of the two slave rotating shafts 41, the two ends of the slave rotating shafts 41 are respectively provided with a third output gear 205, the water inlet rotating shaft 42 is provided with a third input gear 206, each third output gear 205 is respectively meshed with the corresponding third input gear 206, thereby the four water inlet rotating shafts 42 are simultaneously driven to rotate synchronously and at the same speed by the two slave rotating shafts 41 which rotate synchronously and at the same speed, the bottoms of the four water inlet rotating shafts 42 all extend into the shallow water layer and are respectively provided with a shallow water oxygenation water wheel 50, the four shallow water oxygenation water wheels 50 rotate synchronously and at the same speed under the driving of the water inlet rotating shafts 42 to disturb the shallow water layer, increase the contact area of the water body and oxygen in the air, promote the dissolution of the shallow water layer, and the synchronization, The four shallow water oxygenation water wheels 50 rotating at the same speed can effectively ensure the stress balance and the acting force balance when the oxygenation feeding all-in-one machine for aquaculture works, and prevent the situations of lateral movement, side turning or self rotation to a large extent.

It should be noted that, the shallow water oxygenation water wheel 50 can be selected from any one of the existing oxygenation water wheels, in this embodiment, the shallow water oxygenation water wheel 50 is a hollow sphere, a plurality of water stirring grooves 501 are uniformly formed in the side surface of the shallow water oxygenation water wheel along the vertical direction, when the shallow water oxygenation water wheel does not rotate, the water body is filled in the shallow water oxygenation water wheel 50, when the shallow water oxygenation water wheel rotates, the water body in the shallow water oxygenation water wheel is thrown out from the plurality of water stirring grooves 501, the water body can be stirred by the plurality of water stirring grooves 501, the thrown-out water body and the water body stirred by the outside are subjected to opposite impact crushing, so that the contact area of the water.

The base body 10 is provided with an air suction pump 60 which is fixed on the base body 10, the air suction pump 60 can be selected from any impeller type air suction pump in the prior art and is provided with an air inlet end 601 and an air outlet end 602, the air inlet end 601 is provided with a plurality of layers of filter screens for carrying out multi-layer filtration on sucked air and reducing the amount of dust and impurities in the sucked air, the air outlet end 602 is provided with a deep water oxygen supply pipe 70, the deep water oxygen supply pipe 70 extends into a deep water layer, the bottom of the deep water oxygen supply pipe 70 is communicated with an annular closed oxygen spraying pipe 71, and the oxygen spraying pipe 71 is uniformly provided with a plurality of oxygen spraying holes 711. One end of the impeller rotating shaft 61 of the getter pump 60 extends out of the housing of the getter pump 60 and is provided with a fourth input gear 208, the output shaft of the oxygen increasing motor 20 is provided with a fourth output gear 207, the fourth output gear 207 is engaged with the fourth input gear 208, thereby synchronously driving the impeller rotating shaft 61 of the air suction pump 60 to rotate through the oxygen increasing motor 20, further driving the impeller to rotate, realizing the air inducing function of the air suction pump 60, filtering the air by the air inlet end 601 and then sucking the air by the air suction pump 60, then discharged into the deepwater oxygen supply pipe 70 through the air outlet end 602, then discharged into the oxygen spraying pipe 71, discharged into the deepwater layer through a plurality of oxygen spraying holes 711 on the oxygen spraying pipe 71, impacted and stirred on the deepwater layer water body in the exhaust process, thereby promote the dissolved oxygen effect of water, and gas nature come-up in the deep water layer, carry out the oxygenation to the water between deep water layer and the shallow water layer gradually, avoided the condition that most of oxygen-increasing machines only oxygenated to the shallow water body.

The base body 10 is fixedly provided with a storage bin 80, the bottom of the storage bin 80 is provided with a feed port, the feed port is internally sleeved with a vertically arranged feed pipe 81, the feed pipe 81 is in running fit with the feed port of the storage bin 80, the storage bin 80 is provided with a feeding motor 21, the feeding motor 21 is fixedly connected with the storage bin 80, an output shaft of the feeding motor 21 is provided with a fifth output gear 209, the side wall of the feed pipe 81 is sleeved with a fifth input gear 210, the fifth output gear 209 is meshed with the fifth input gear 210, thereby driving the feeding pipe 81 to rotate by the feeding motor 21, the seat body 10 is provided with a hole matched with the feeding pipe 81, the feeding pipe 81 passes through the hole on the seat body 10 and extends into the frame-shaped support 30, the bottom of the device is connected with a material throwing bin 82, the material throwing bin 82 is located above the water surface, the material throwing bin 82 is a hollow disc which is horizontally arranged, and a plurality of material throwing holes 821 are uniformly formed in the side wall of the material throwing bin. The splendid attire has a large amount of fodder in the storage silo 80, and the fodder falls into through feed pipe 81 under the action of gravity and gets rid of the feed bin 82 in, throws the feed motor 21 and drives feed pipe 81 axial rotation, and feed pipe 81 drives and gets rid of feed bin 82 and rotate to the fodder that will get rid of in the feed bin 82 through the centrifugal force that rotates the production throws away from material hole 821, realizes throwing the effect of raising.

Keep off material ring 90 is installed to the lower part of frame shape support 30, keep off material ring 90 for lining up the cylindric, its upper portion outer wall is connected with frame shape support 30, its bottom is located under the surface of water, specifically, its bottom is gone into the depth of water and is darker than the depth of water of shallow water oxygenation water wheels 50, the aforesaid is got rid of feed bin 82 and is located keeps off material ring 90, when getting rid of feed bin 82 rotation and get rid of the material, keep off the fodder that material ring 90's inside wall will block and throw away, prevent the fodder from scattering, fall on near shallow water oxygenation water wheels even, it is injured when effectively preventing fish to eat, and, keep off the water that material ring 90's lateral wall can cushion because of shallow water oxygenation water wheels 50 disturbance, make and be in the inboard water area of throwing of keeping off material ring 90 and.

Keep off the material bottom of circle 90 and install screen panel 91, specifically, the top and the bottom of screen panel 91 are all uncovered, and link up along vertical direction, and the net lace of the uncovered department at its top and the circle limit cooperation of keeping off the material bottom of circle 90 are connected, and above-mentioned annular oxygen spraying pipe 71 cup joints in screen panel 91 bottom outside, and its mesh lace cooperation with the uncovered department of the bottom of screen panel 91 is connected. On the one hand, through the bottom installation screen panel 91 at the fender material circle 90, guide fish to get into through screen panel 91 and throw the waters and eat food, when this an oxygenation that is used for aquaculture throws the all-in-one of raising rocks or the side moves along the water at the surface of water, screen panel 91 can guarantee to eat the safety of in-process fish, on the other hand, through being connected of annular oxygen spray tube 71 and screen panel 91, prop up the bottom of screen panel 91, and oxygen spray tube 71 spun gas can be attached to on screen panel 91 at the in-process that floats, prolong the time that gaseous breaks away from the surface of water, promote the oxygenation effect, fish also can carry out the oxygenation through the oxygen on screen panel 91 at the in-process that gets into to throw the waters through screen panel 91, and screen panel 91 can alleviate the impact and the stirring that oxygen spray tube 71 spun gas takes place the water, prevent that.

The frame-shaped support 30 is provided with a propeller 22, which is connected with the frame-shaped support 30, a rudder 221 for controlling the moving direction is arranged below the propeller 22, the propeller 22 and the rudder 221 are selected from any propeller and rudder in the prior art, the rudder 221 can be controlled by any one in the prior art, for example, a steering motor 23 is arranged to be rotationally connected with the rudder 221, and the directional rotation of the steering motor 23 is controlled to control the swinging of the rudder 221. In a matching manner, the deep water oxygen supply pipe 70 and the oxygen spraying pipe 71 are both hoses, when the propeller 22 pushes the oxygenation feeding all-in-one machine for aquaculture to move, the hoses and the soft net can effectively reduce the accidental injury probability to fishes, and the part of the material blocking ring 90 extending into the water can always enclose the un-sunk feed in the feeding water area in the material blocking ring 90 and move together with the oxygenation feeding all-in-one machine for aquaculture, so that the feed is prevented from being drawn into the shallow water oxygenation water wheel 50 in the moving process.

It should be noted that the integrated machine for oxygen increasing and feeding for aquaculture further comprises a power supply and a remote controller (not shown in the figure), wherein the power supply is used for supplying power to the oxygen increasing motor 20, the feeding motor 21, the propeller 22 and the steering motor 23, the remote controller is used for controlling the directional rotation and stop of the oxygen increasing motor 20, the feeding motor 21, the propeller 22 and the steering motor 23, and specifically, the remote controller is provided with a first switch which can control the oxygen increasing motor 20 to rotate or stop so as to realize the effect of oxygen increasing; the remote controller is provided with a second switch which can control the feeding motor 21 to rotate or stop so as to realize the feeding effect; the remote controller is provided with a third switch which can control the propeller 22 to rotate or stop so as to propel the movement of the oxygenation feeding all-in-one machine for aquaculture, and the remote controller is also provided with a left key and a right key which respectively control the directional rotation or stop of the steering motor 23 in two directions so as to respectively drive the rudder 221 to swing left or right and realize steering in the moving process.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims (3)

1. An oxygenation and feeding integrated machine for aquaculture comprises a base body (10) and a frame-shaped support (30) arranged at the bottom of the base body (10), and is characterized in that an oxygenation motor (20) is arranged on the base body (10), the oxygenation motor (20) is connected with a main rotating shaft (40) through gear set transmission, two ends of the main rotating shaft (40) are respectively connected with a driven rotating shaft (41) in transmission, two ends of the driven rotating shaft (41) are respectively connected with a vertically arranged water inlet rotating shaft (42) in transmission, a shallow water oxygenation water wheel (50) is arranged at the bottom of the water inlet rotating shaft (42), the main rotating shaft (40), the driven rotating shaft (41) and the water inlet rotating shaft (42) are all arranged on the frame-shaped support (30), an air suction pump (60) is arranged on the base body (10), an impeller rotating shaft (61) of the air suction pump (60) is connected with the oxygenation motor (20) through gear set transmission, a deep water oxygen supply pipe (70) is arranged at, the deep water oxygen supply pipe (70) is communicated with an annular oxygen spraying pipe (71), a plurality of oxygen spraying holes (711) are uniformly formed in the oxygen spraying pipe (71), a storage bin (80) is arranged on the seat body (10), the bottom of the storage bin (80) is rotatably connected with and communicated with a vertically arranged feed pipe (81), a throwing feeding motor (21) is arranged on the storage bin (80), the throwing feeding motor (21) is in transmission connection with the feed pipe (81) through a gear set, the bottom of the feed pipe (81) is connected with a throwing bin (82), a plurality of throwing holes (821) are uniformly formed in the side wall of the throwing bin (82), an air bag (31) is arranged on the side wall of the lower portion of the frame-shaped support (30), a material blocking ring (90) is installed on the lower portion of the frame-shaped support (30), the throwing bin (82) is located in the material blocking ring (90) and above the water surface, the bottom of the material blocking ring (90) is located below the, the top and the bottom of the net cover (91) are both open, and the oxygen spraying pipe (71) is sleeved at the bottom of the net cover (91).

2. The integrated oxygen-increasing and feeding machine for aquaculture according to claim 1, wherein a propeller (22) is arranged on the frame-shaped support (30), a rudder (221) is arranged below the propeller (22), and the deep water oxygen supply pipe (70) and the oxygen spraying pipe (71) are hoses.

3. The integrated oxygen-increasing and feeding machine for aquaculture as claimed in claim 1, wherein the air inlet end (601) of the air suction pump (60) is provided with a plurality of layers of filter screens.

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