CN213231715U - Aeration device - Google Patents

Abstract

The utility model discloses an aeration equipment, including motor, breather pipe, be provided with the chimney on the motor, the chimney is passed in the pivot of motor, and the breather pipe links to each other with the chimney, is connected with the impeller in the pivot of motor, and the impeller is located the one end of chimney, and the impeller includes wheel hub and the paddle of setting on wheel hub, is provided with the air flue on the wheel hub, and the air flue runs through wheel hub's both ends. The utility model discloses not only can realize the aeration function, can also produce forward thrust to sewage at the in-process of aeration, promote sewage and flow forward, need not to install other equipment that is used for promoting sewage and flows forward in the oxidation ditch, reduced the input cost of equipment, be favorable to using widely on a large scale.

Description

Aeration device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an aeration device.

Background

In sewage treatment's oxidation ditch technology, sewage can pass through the oxidation ditch, and the bottom of oxidation ditch is provided with the aeration pipe, and the aeration pipe can let in the air to sewage constantly, and the organic matter in the sewage can be decomposed to the aerobic bacteria in the sewage after obtaining the air to play the function of purifying water quality. When sewage passes through the oxidation ditch, the sewage needs to be pushed forward by means of external equipment, so that the sewage can flow in the oxidation ditch at a certain speed. Traditional aeration equipment only possesses the aeration function, can't provide a forward propulsive force to sewage, consequently need install other being used for in the oxidation ditch and promote the equipment that sewage flows forward, just can guarantee that sewage can normally pass through the oxidation ditch, and equipment cost drops into great, is unfavorable for large-scale using widely.

Such as: the invention discloses a Chinese patent publication No. CN107879463A, which discloses an aeration tank, comprising a tank body, a plurality of aeration pipes and a pair of driving components; a plurality of aeration holes are formed on the aeration pipe, and a plurality of annular mud pressing plates are fixedly connected to the outer wall of the aeration pipe; two sides of the inner wall of the tank body are provided with circular accommodating grooves communicated with an external air source; the driving assembly comprises a motor and a driving plate, the driving plate is disc-shaped and is accommodated in the accommodating groove, two ends of the aeration pipe are respectively and fixedly connected in the driving plate and communicated with the accommodating groove, and the motor is fixedly connected to the pool body and is used for driving the driving plate to rotate around the axis of the motor. In the invention, the aeration device only has an aeration function and cannot provide a forward propelling force for the sewage, so that other equipment for pushing the sewage to flow forward needs to be arranged in the oxidation ditch to ensure that the sewage can normally pass through the oxidation ditch, the equipment cost investment is large, and the large-scale popularization and use are not facilitated.

Disclosure of Invention

The utility model aims at solving traditional aeration equipment and only possessing the aeration function, can't provide a forward propulsive force to sewage, consequently need install other being used for in the oxidation ditch and promote the equipment that sewage flows forward, just can guarantee that sewage can normally pass through the oxidation ditch, equipment cost drops into great, is unfavorable for large-scale problem of using widely, provides an aeration equipment, can effectively solve above-mentioned problem.

The utility model aims at realizing through the following technical scheme: the utility model provides an aeration equipment, includes motor, breather pipe, is provided with the chimney on the motor, and the chimney is passed in the pivot of motor, and the breather pipe links to each other with the chimney, is connected with the impeller in the pivot of motor, and the impeller is located the one end of chimney, and the impeller includes wheel hub and the paddle of setting on wheel hub, is provided with the air flue on the wheel hub, and the air flue runs through wheel hub's both ends.

The utility model discloses in, gas generator is connected to the one end of breather pipe, it is rotatory to drive the impeller through the motor, the impeller is when rotatory, on the one hand can provide a forward propulsive force to sewage, on the other hand, the impeller is when rotatory, impeller front end axle center region produces a swirl, the swirl center is negative pressure zone, under negative pressure zone's effect, gas that gas generator produced is inhaled a breather pipe through the breather pipe, then in being inhaled the negative pressure zone at swirl center through the air flue, make air and water mix, and under impeller's rotation, smash the bubble that forms countless minor diameter with big bubble, the diameter of bubble is littleer, specific surface area is bigger, make the bubble can dissolve in aqueous effectively, increase oxygen transfer rate, guarantee that the aerobic bacteria in the sewage can obtain sufficient oxygen supply. The utility model discloses not only can realize the aeration function, can also produce forward thrust to sewage at the in-process of aeration, promote sewage and flow forward, need not to install other equipment that is used for promoting sewage and flows forward in the oxidation ditch, reduced the input cost of equipment, be favorable to using widely on a large scale.

Preferably, the hub comprises an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are connected through a connecting rib plate, and an air passage is formed between the outer cylinder and the inner cylinder. The inner cylinder is connected with a rotating shaft of the motor, and the blades are arranged on the outer cylinder.

Preferably, one end of the breather pipe close to the impeller is provided with a butt sealing ring matched with the outer cylinder. The butt-joint sealing ring extends into the outer cylinder, the outer ring surface of the butt-joint sealing ring is in clearance fit with the inner ring surface of the outer cylinder, and a small sealing clearance is formed between the outer ring surface of the butt-joint sealing ring and the inner ring surface of the outer cylinder.

Preferably, a diagonal brace is arranged between the motor and the vent pipe. One end of the diagonal brace is fixed on the motor, the other end of the diagonal brace is fixedly connected on the vent pipe, and the motor can be fixed through the diagonal brace in an enhanced mode.

Preferably, the blades are provided in two or more pieces, and the blades are arranged in an annular array around the hub. The number of the paddles can be two or more than two, and the specific number can be determined according to actual needs.

Preferably, the motor is provided with a grating cover, and the grating cover is positioned outside the impeller. The grille cover can play the guard action to the impeller on the one hand, and on the other hand grille cover can fixed connection on other devices, plays the fixed stay effect to aeration equipment.

Preferably, the inner wall of the hub inner cylinder is provided with a key groove. The inner wall of the impeller inner barrel is provided with the key groove, so that the impeller can be conveniently mounted on the rotating shaft in a key connection mode.

The utility model has the advantages that: the utility model discloses not only can realize the aeration function, can also produce forward thrust to sewage at the in-process of aeration, promote sewage and flow forward, need not to install other equipment that is used for promoting sewage and flows forward in the oxidation ditch, reduced the input cost of equipment, be favorable to using widely on a large scale.

Drawings

Fig. 1 is a partial sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a cross-sectional view of the impeller.

Fig. 4 is a top view of the impeller.

In the figure: 1. the device comprises a motor, 2, a rotating shaft, 3, an impeller, 4, a vent pipe, 5, an inclined stay bar, 6, a grating cover, 7, a vent cylinder, 8, an outer cylinder, 9, an inner cylinder, 10, an air flue, 11, blades, 12, butt sealing rings, 13, connecting rib plates, 14, a transition pipe, 15 and a butt pipe.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 4, an aeration apparatus includes a motor 1 and a ventilation pipe 4. The motor 1 is a submersible motor. The motor 1 is provided with an air cylinder 7. The breather pipe 7 is cylindrical. The rotating shaft 2 of the motor 1 passes through the breather pipe 7. The breather pipe 7 is provided with a transition pipe 14, and the transition pipe 14 is connected with the breather pipe 4. The upper end of the vent pipe 4 is provided with a butt joint pipe 15, and the butt joint pipe 15 is connected with a gas generating device. The rotating shaft 2 is connected with an impeller 3. The impeller is located at one end of the chimney 7. The impeller 3 comprises a hub and blades 11. The hub comprises an outer cylinder 8 and an inner cylinder 9, and the outer cylinder 8 is connected with the inner cylinder 9 through a connecting rib plate 13. An air passage 10 is formed between the outer cylinder 8 and the inner cylinder 9. The inner wall of the inner cylinder 9 is provided with a key groove. The inner cylinder 9 is convenient to be mounted on the rotating shaft 2 in a key connection mode by arranging a key groove on the inner wall of the inner cylinder 9. The paddles 11 are arranged in an annular array in the circumferential direction of the outer barrel 8. In the present embodiment, three blades 11 are provided. The number of the blades can be more than three or less than three, and the specific number can be determined according to actual needs. And one end of the breather cylinder 7 close to the impeller 3 is provided with a butt sealing ring 12 matched with the outer cylinder 8. The butt seal ring 12 extends into the outer cylinder 8, the outer ring surface of the butt seal ring 12 is in clearance fit with the inner ring surface of the outer cylinder 8, and a small seal gap is formed between the outer ring surface of the butt seal ring and the inner ring surface of the outer cylinder. The motor 1 is provided with a grating cover 6, and the grating cover 6 is positioned outside the impeller 3. The grille cover can play the guard action to the impeller on the one hand, and on the other hand grille cover can fixed connection on other devices, plays the fixed stay effect to aeration equipment. An inclined stay bar 5 is arranged between the motor 1 and the air pipe 4. One end of the diagonal brace 5 is fixed on the motor 1, the other end of the diagonal brace is fixedly connected on the vent pipe 4, and the motor 1 can be fixed through the diagonal brace 5.

The utility model discloses in, it is rotatory to drive the impeller through the motor, the impeller is when rotatory, on the one hand can provide a forward propulsive force to sewage, on the other hand, the impeller is when rotatory, impeller front end axle center region produces a swirl, the swirl center is the negative pressure zone, under the effect of negative pressure zone, the gas that gas generator produced is inhaled the air cylinder through the breather pipe, then in being inhaled the negative pressure zone at swirl center through the air flue, make air and water mix, and under the rotation of impeller, smash the bubble that forms countless minor diameter with big bubble, the diameter of bubble is the less, the specific area is big more, make the bubble can dissolve in aquatic effectively, increase oxygen transfer rate, guarantee that the good oxygen fungus in the sewage can obtain sufficient oxygen supply. The utility model discloses not only can realize the aeration function, can also produce forward thrust to sewage at the in-process of aeration, promote sewage and flow forward, need not to install other equipment that is used for promoting sewage and flows forward in the oxidation ditch, reduced the input cost of equipment, be favorable to using widely on a large scale.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (7)

1. An aeration device, characterized in that: including motor, breather pipe, be provided with the breather pipe on the motor, the breather pipe is passed in the pivot of motor, and the breather pipe links to each other with the breather pipe, is connected with the impeller in the pivot of motor, and the impeller is located the one end of breather pipe, and the impeller includes wheel hub and the paddle of setting on wheel hub, is provided with the air flue on the wheel hub, and the air flue runs through wheel hub's both ends.

2. An aeration device according to claim 1, wherein the hub comprises an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are connected through a connecting rib plate, and an air passage is formed between the outer cylinder and the inner cylinder.

3. An aeration device according to claim 2, wherein the end of the aeration cylinder adjacent to the impeller is provided with a butt sealing ring which is engaged with the outer cylinder.

4. An aeration device according to claim 1, wherein diagonal braces are provided between the motor and the aeration tubes.

5. An aeration device according to claim 1, wherein said blades are provided in two or more pieces, and are arranged in an annular array around the hub.

6. An aeration device according to claim 1, wherein a grille cover is provided to the motor, the grille cover being located outside the impeller.

7. An aeration device according to claim 1, wherein the inner wall of the inner barrel is provided with splines.

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