CN108064797B - Aeration and oxygenation device - Google Patents

Abstract

The aeration oxygenation device comprises a motor end, an air guide shell and an aeration wheel, wherein a central shaft of the motor end is sequentially arranged on the center positions of the air guide shell and the aeration wheel in a penetrating way, bolt holes are respectively formed in the two ends of the motor end, holes matched with the bolt holes of the motor end are formed in the extending part of the air guide shell, and the motor end is fixedly connected with the air guide shell through bolts; the side ends of the air guide shell positioned at the two sides of the central shaft of the motor end are respectively provided with a first through hole and a second through hole, the aeration wheel is formed by spirally arranging a plurality of support wheels, an air passage is arranged in each support wheel through center, the center of the aeration wheel is provided with a cavity, and one part of the central shaft of the motor end is arranged in the cavity; the aeration device integrates oxygenation, running water and aeration, effectively increases the dissolved oxygen in water, accelerates the circulation of substances in water, prevents flooding and improves water quality conditions, solves the phenomenon of water layering in a pond, and improves the sea cucumber culture yield, thereby improving the stocking density, increasing the feeding strength of cultured objects, promoting production, greatly improving the mu yield and fully achieving the aim of raising income.

Description

Aeration and oxygenation device

technical field

The invention relates to fishery and aquaculture equipment, in particular to an aeration and oxygenation device, and belongs to the technical field of aquaculture.

Background technique

In the current aquaculture field, in order to increase the production of aquaculture, the aeration equipment commonly used includes impeller aerators and turbine aerators; the impeller aerator drives the rotating impeller through the submersible motor, and the rotation of the rotating impeller is the centrifugal force generated The air is thrown out to form a negative pressure, and the air is sucked into the rotating impeller from the external trachea to achieve continuous air delivery; this type of aerator relies on the centrifugal force of the impeller rotation to achieve aeration.

However, the existing various forms of impellers pass through the flow channels formed between each blade of the impeller, and the gas and water mixture flows along the flow channels between the blades and then is thrown out to the surrounding waters, thereby increasing the oxygen content of the water body. or use the impeller disc as a whole to rotate through the air channel in the impeller disc to discharge air, and then realize aeration; this method only plays the role of aeration, and the contact area between the impeller disc and the water body is small when it rotates, so it cannot Realize large-scale agitation in the water area; cannot better solve the pool water stratification phenomenon; in the existing design, there is no air channel through the impeller itself, so that the gas in several air channels can aerate the water area, aerate evenly, and improve aeration High efficiency, fully realize the increase of breeding income; and increase the contact area with the water body through several air channels, realize a large-scale agitation in the water area, and solve the phenomenon of pool water stratification.

Contents of the invention

In view of the defects of the above-mentioned technologies, the present invention provides an aeration and oxygenation device. The device has a simple structural design and functions of oxygenation, running water, and aeration, so that the yield per mu of aquaculture can be greatly increased, and the purpose of increasing aquaculture income can be fully achieved.

In order to achieve the above purpose, the technical solution adopted in the present invention is: an aeration and oxygenation device, including a motor end, an air guide shell, and an aeration wheel, and the central axis of the motor end is sequentially installed at the center of the air guide shell and the aeration wheel Bolt holes are provided at both ends of the motor end, and holes matching the bolt holes of the motor end are provided at the extension of the air guide shell, and the motor end is fixedly connected with the air guide shell through bolts; The side end of the shell is respectively provided with a first through hole and a second through hole. The aeration wheel is formed by spirally setting several support wheels, and an air channel is arranged in the center of each support wheel, and a cavity is provided in the center of the aeration wheel. , a part of the central axis of the motor end is set in the cavity;

The diameter of the first through hole is larger than the diameter of the second through hole;

The cavity ring of the aeration wheel is provided with a sealing sleeve, and a stepped platform is provided on the outer edge of the upper part of the sealing sleeve. The position of the stepped platform is provided with stainless steel. There is a gap between the upper part of the sealing sleeve and the central axis of the motor end. central axis contact;

One end of the several support wheels communicates with the center of the aeration wheel, that is, the air inlet of the air channel in the support wheel communicates with the center of the aeration wheel;

The section of the support wheel is elliptical;

The other end of the support wheel is the air outlet of the air passage, and the cross-sectional area of the air passage inlet is the same as that of the air passage air outlet;

The airway section is circular;

The distance between the position of the support wheel at one end of the air channel inlet and the position of the support wheel at the air channel outlet is an arc segment;

The included angle of the circular arc segment is an obtuse angle; the distribution of the circular arc segment makes the resistance of the air passing through is small; the structure of the air passage allows the air to enter the air passage and pass through the air passage under the condition of small resistance, improving the air passage. The flow rate of the air further increases the gas flow rate of the airway, and finally further increases the aeration rate.

Further, the support wheel is provided with integrally formed raised structures up and down in the direction vertical to the water surface, through the raised structures provided on the support wheel, a larger contact area can be formed between the support wheel and the water body while aerating, realizing Large-scale stirring in the water area plays the role of running water and effectively solves the phenomenon of pool water stratification;

The protrusions are arranged in a continuous arc from the position of the support wheel at one end of the air channel inlet to the position of the support wheel at the air channel outlet; the protrusions can be formed by stamping, and the protrusions of this structure are relatively small when formed. Easy, making production more convenient and saving production costs.

Principle of the present invention:

By increasing the contact area between the water body and the air, the oxygen in the air is infiltrated into the water, and the effect of oxygenation is directly proportional to the sufficient process of contact between water and air, and inversely proportional to the amount of dissolved oxygen in the water;

When in use, the aeration wheel is located in the culture pond and is driven by a motor to rotate. The gas enters the gas from the through hole at one end of the gas guide shell, and the gas enters the aeration wheel, and then enters the air channels of several branch wheels through the center of the aeration wheel. When the air wheel rotates, the air in the air channel will rotate with the aeration wheel, and under the action of centrifugal force, the air in the air channel will be thrown out from the air outlet of the air channel, and finally thrown out from the air outlet into the breeding tank to achieve aeration Oxygenation.

Compared with the existing technology, the technical effect is: the aeration and oxygenation device adopts the claw disc type aeration wheel, and through a number of air passages set by a number of supporting wheels of the aeration wheel, uniform aeration in the water area is realized and oxygen is increased; At the same time, through this structure, the contact area between the water body and the aeration wheel can be realized, and a larger range of agitation of the water body can be achieved, so as to achieve the purpose of stirring the water body and flowing water;

The aeration device integrates oxygenation, running water and aeration, which can effectively increase the amount of dissolved oxygen in the water, accelerate the circulation of substances in the water body, promote the convective exchange of the water body, eliminate harmful substances, promote the reproduction of plankton, prevent flooding and improve water quality. conditions, solve the phenomenon of pool water stratification, increase the production of sea cucumber culture, thereby increasing the stocking density, increasing the feeding intensity of the cultured objects, promoting production, greatly increasing the yield per mu, and fully achieving the purpose of increasing breeding income.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a structural diagram of the air guiding shell of the aeration and oxygenation device.

FIG. 3 is a side view of FIG. 2 .

Fig. 4 is a K-directional structural diagram of Fig. 2 .

FIG. 5 is a structural diagram in the direction B of FIG. 3 .

Figure 6 is a structural diagram of the aeration wheel of the aeration and oxygenation device.

FIG. 7 is a side view of FIG. 6 .

FIG. 8 is a B-B structural diagram of FIG. 7 .

Fig. 9 is a structural diagram of the motor end of the aeration and oxygenation device.

In the figure, 1, motor end, 2, air guiding shell, 3, aeration wheel, 4, first through hole, 5, second through hole, 6, supporting wheel, 7, air channel, 8, sealing sleeve, 9 , stainless steel, 10, stainless steel sleeve, 11, protrusion, 12, bolt.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings.

The aeration and oxygenation device shown in the figure includes the motor end 1, the air guide shell 2, and the aeration wheel 3. 1 Bolt holes are provided at both ends, and the extension of the air guide shell 2 is provided with holes matching the bolt holes of the motor end. The motor end 1 is fixedly connected with the air guide shell 2 through bolts 12; The side ends of the gas shell 2 are respectively provided with a first through hole 4 and a second through hole 5. The aeration wheel 3 is formed by a number of support wheels 6 spirally arranged, and each support wheel 6 is provided with an air channel 7 through the center. There is a cavity in the center of the aeration wheel 3, and a part of the central axis of the motor end is set in the cavity;

The diameter of the first through hole 4 is larger than the diameter of the second through hole 5;

The cavity ring of the aeration wheel is provided with a sealing sleeve 8, a stepped platform is arranged on the outer edge of the upper part of the sealing sleeve 8, and a stainless steel 9 is provided at the position of the stepped platform, and a gap is provided between the upper part of the sealing sleeve 8 and the central axis of the motor end, and the lower part of the sealing sleeve 8 passes through The stainless steel sleeve 10 is in contact with the central axis of the motor end;

One end of the several support wheels 6 communicates with the center of the aeration wheel, that is, the air inlet of the air channel 7 in the support wheel 6 communicates with the center of the aeration wheel;

The section of the support wheel 6 is oval;

The other end of the supporting wheel 6 is the air outlet of the air passage 7, and the cross-sectional area of the air passage 7 air inlet is the same as that of the air passage 7 air outlet;

The cross-section of the air passage 7 is circular;

Between the position of the support wheel at one end of the air inlet of the air passage 7 and the position of the support wheel at the air outlet of the air passage 7 is an arc segment;

The included angle of the circular arc segment is an obtuse angle; the distribution of the circular arc segment makes the resistance of the air passing through less; the structure of the air channel 7 allows the air to enter the air channel 7 and pass through the air channel 7 under the condition of less resistance, Increasing the flow velocity of the air in the air channel 7 further increases the gas flow rate of the air channel 7, and finally further increases the aeration rate.

Further, the support wheel 6 is provided with an integrally formed protrusion 11 structure in the direction vertical to the water surface, and the structure of the protrusion 11 provided on the support wheel 6 can make the support wheel 6 and the water body form a larger structure while aerating. The contact area is large enough to achieve large-scale stirring in the water area, play the role of running water, and effectively solve the phenomenon of pool water stratification;

The protrusion 11 is arranged in a continuous arc from the position of the support wheel 6 at one end of the air inlet of the air channel 7 to the position of the support wheel 6 at the air outlet of the air channel 7; the protrusion 11 can be formed by stamping, and the structure The protrusion is easier to form, which makes production more convenient and saves production cost.

When in use, the aeration wheel 3 is located in the culture pond and is driven by a motor to rotate. The gas enters the gas from the through hole at one end of the gas guide shell 2, and the gas enters the aeration wheel 3, and then enters the center of several support wheels 6 through the center of the aeration wheel. In the air channel 7, when the aeration wheel 3 rotates, the air in the air channel will rotate with the aeration wheel 3, and the air in the air channel 7 will be thrown out from the air outlet of the air channel 7 under the action of centrifugal force, and finally will be released from the air outlet. The air port is thrown out into the culture pond to realize aeration and oxygenation.

Claims (5)

1. The aeration and oxygenation device is characterized in that it includes a motor end, an air guide shell, and an aeration wheel. Bolt holes, the extension of the air guiding shell is provided with holes matching the bolt holes of the motor end, the motor end is fixedly connected with the air guiding shell through bolts; the side ends of the air guiding shell located on both sides of the central axis of the motor end are respectively provided with first hole and the second through hole, the diameter of the first through hole is larger than the diameter of the second through hole; the gas enters through the through hole at one end of the gas guiding shell; The cross-section of the support wheel is ellipse, and the air passage is set in the center of each support wheel, and the center of the aeration wheel is provided with a cavity, and a part of the central axis of the motor end is set in the cavity; the support wheels are arranged vertically and vertically An integrally formed protruding structure, the protruding structure is arranged in a continuous arc from the position of the support wheel at one end of the air channel inlet to the position of the support wheel at the air channel outlet; through the protrusions set on the support wheel The structure can make the support wheel and the water body form a large contact area during aeration, and stir in a large range in the water area; the cavity ring of the aeration wheel is provided with a sealing sleeve, and a stepped platform is provided on the outer edge of the upper part of the sealing sleeve, and the location of the stepped platform Stainless steel is provided, the upper part of the sealing sleeve is provided with a gap with the central shaft of the motor end, and the lower part of the sealing sleeve is in contact with the central shaft of the motor end through the stainless steel sleeve. 2. The aeration and oxygenation device according to claim 1, characterized in that one end of several support wheels communicates with the center of the aeration wheel, that is, the air inlet of the air channel in the support wheel communicates with the center of the aeration wheel. 3. The aeration and oxygenation device according to claim 2, characterized in that the other end of the support wheel is the air outlet of the air passage, and the cross-sectional area of the air passage inlet is the same as the cross-sectional area of the air passage outlet. 4. The aeration and oxygenation device according to claim 1, characterized in that the cross-section of the air passage is circular. 5. The aeration and oxygenation device according to claim 3, characterized in that the distance between the position of the support wheel at one end of the air channel inlet and the position of the support wheel at the air channel outlet is an arc segment.

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