CN215327254U - A rotatory aeration equipment for sewage treatment - Google Patents

Abstract

The utility model discloses a rotary aeration device for sewage treatment, which comprises an air blower, an air pipe, an aeration pipe and a motor, wherein the air blower supplies air to the aeration pipe through the air pipe, the motor drives the aeration pipe to rotate, a driving shaft of the motor is a hollow shaft, the hollow shaft is connected with the aeration pipe and the aeration pipe, the aeration pipe comprises a main air pipe and a gas distribution pipe, a plurality of aeration holes are arranged on the gas distribution pipe, the main air pipe is detachably connected with one end of the hollow shaft, and the other end of the hollow shaft is rotatably connected with the air pipe along the axis. The aeration device of the technical scheme can be used for stirring the sewage while aerating, so that the microorganism is in contact with oxygen more fully, and the purification effect of the sewage is improved.

Description

A rotatory aeration equipment for sewage treatment

Technical Field

The utility model relates to the field of sewage treatment equipment, in particular to a rotary aeration device for sewage treatment.

Background

Aeration means artificially introducing air into a biochemical aeration tank through proper equipment to achieve the expected purpose, wherein the aeration not only makes liquid in the filter tank contact with the air for oxygenation, but also accelerates the transfer of oxygen in the air into the liquid due to the stirring of the liquid, thereby completing the purpose of oxygenation; at present, the aeration device for sewage treatment generally uses an aeration disc or an aeration pipe, so that the aim of uniformly giving vent to anger can be fulfilled, but the position of the aeration disc or the aeration pipe is mostly fixed, the aeration area is certain, and the practical effect of the aeration device for sewage treatment is reduced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcomes the defects of the prior art, and provides a rotary aeration device which has simple structure and is uniformly used for sewage treatment.

The technical scheme adopted by the utility model is as follows: the utility model provides a rotatory aeration equipment for sewage treatment, includes air-blower, tuber pipe, aeration pipe and motor, the air-blower gives through the tuber pipe the aeration pipe air feed, motor drive the aeration pipe is rotatory, the drive shaft of motor is the hollow shaft, the hollow shaft intercommunication tuber pipe and aeration pipe, the aeration pipe includes main trachea and gas-distributing pipe, be equipped with a plurality of aeration holes on the gas-distributing pipe, main trachea with hollow shaft one end detachable connections, the hollow shaft other end with axis swivelling joint is followed to the tuber pipe.

The utility model has the beneficial effects that: the hollow shaft of motor can communicate tuber pipe and aeration pipe, and the hollow shaft is passed through again behind the tuber pipe to the gas that the air-blower blew off, then sends into the aeration pipe, is discharged by the aeration hole at last, and the hollow shaft of motor drives the aeration pipe rotation simultaneously, stirs the sewage in the filter tank when realizing the aeration of aeration pipe.

Furthermore, a bearing hole is arranged at one end of the hollow shaft close to the air pipe, a rotary bearing is arranged between the hollow shaft and the air pipe, the rotating bearing is accommodated in the bearing hole, the inner wall of the opening end of the bearing hole is provided with an anti-falling clamp spring for axially limiting the rotating bearing, the outer wall of the air pipe is provided with a bearing limiting step, the outer wall of the air pipe is tightly matched with the inner hole of the rotating bearing, through technical scheme, the hole of hollow shaft is inserted to the one end of tuber pipe, through the mutual swivelling joint of swivel bearing, the anticreep jump ring can prevent that the swivel bearing axial from deviating from, and spacing step can prevent that the tuber pipe from removing towards the hollow shaft, and the outer wall of tuber pipe and swivel bearing's hole tight fit prevents that the tuber pipe from deviating from the swivel bearing hole to when realizing that the hollow shaft is rotatory, the hole of hollow shaft is linked together with the hole of tuber pipe.

Further, the swivel bearing deviates from one side of dead eye open-ended is equipped with the sealing member, the sealing member cover is in on the outer wall of tuber pipe, through technical scheme, the outer wall of sealing member closely laminates the hollow shaft, and the hole of sealing member closely laminates the tuber pipe, can not make gas leak from the contact surface to improve device's gas tightness.

Further, the first ring flange of the nearly trachea of main hollow shaft one end fixedly connected with of hollow shaft, be equipped with first connect the hole on the first ring flange, the one end fixedly connected with second ring flange of the nearly hollow shaft of main trachea, be equipped with on the second ring flange with the second connect the hole that first connect the hole corresponds, first ring flange with the second ring flange passes through the mutual fixed connection of bolt, through technical scheme, the screw passes first connect the hole and the second connect the hole, is locked by the nut again, and is fixed first ring flange and second ring flange interconnect to realize hollow shaft and aeration pipe detachable connections's function.

Furthermore, the connection end face of the first flange plate and the second flange plate is provided with a sealing ring, and by the technical scheme, when the first flange plate and the second flange plate are tightly attached, the sealing ring is elastically deformed, the elastic pressure of the sealing ring is greater than the pressure of gas in a pipeline, so that the gas cannot leak from a contact surface, and the gas tightness of the device is improved.

Furthermore, be equipped with spacing recess on the terminal surface of the nearly second ring flange of first ring flange, be equipped with on the terminal surface of the nearly first ring flange of second ring flange with spacing recess matched with spacing arch, through technical scheme, when first ring flange and second ring flange interconnect, spacing arch can accurately cooperate in spacing recess to improve connection accuracy and installation effectiveness.

Furthermore, the opening direction of the aeration holes is perpendicular to the rotation direction of the aeration pipe, and by the technical scheme, when the aeration pipe rotates clockwise or anticlockwise, the pressure of liquid in the filter tank cannot positively act on the aeration holes, so that gas is smoothly discharged, and the working energy consumption of the air blower is reduced.

Drawings

FIG. 1 is a schematic view showing the construction of a rotary aeration apparatus for wastewater treatment according to the present invention;

FIG. 2 is an internal cross-sectional view at A of FIG. 1;

fig. 3 is an internal sectional view at B of fig. 1;

fig. 4 is a sectional view of the interior of the aerator pipe;

description of reference numerals: 1. a blower; 2. an air duct; 21. a bearing limit step; 3. an aeration pipe; 31. a main air pipe; 32. a gas distributing pipe; 33. an aeration hole; 4. a motor; 41. a hollow shaft; 5. a rotating bearing; 6. an anti-drop snap spring; 7. a seal member; 8. a first flange plate; 81. a first connecting through hole; 82. a limiting groove; 9. a second flange plate; 91. a second connecting through hole; 92. a limiting bulge; 10. a seal ring; 11. and (4) bolts.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, the present invention provides a rotary aeration apparatus for sewage treatment, including a blower 1, an air pipe 2, an aeration pipe 3 and a motor 4, wherein the blower 1 supplies air to the aeration pipe 3 through the air pipe 2, the motor 4 drives the aeration pipe 3 to rotate, a driving shaft of the motor 4 is a hollow shaft 41, the hollow shaft 41 is communicated with the air pipe 2 and the aeration pipe 3, the aeration pipe 3 includes a main air pipe 31 and a gas distribution pipe 32, the gas distribution pipe 32 is provided with a plurality of aeration holes 33, the main air pipe 31 is detachably connected with one end of the hollow shaft 41, and the other end of the hollow shaft 41 is rotatably connected with the air pipe 2 along an axis.

A bearing hole is formed in one end, close to the air pipe 2, of the hollow shaft 41, a rotary bearing 5 is arranged between the hollow shaft 41 and the air pipe 2, the rotary bearing 5 is contained in the bearing hole, an anti-falling clamp spring 6 used for axially limiting the rotary bearing 5 is arranged on the inner wall of the opening end of the bearing hole, the anti-falling clamp spring 6 is contained in a clamp spring groove of the hollow shaft 41, a bearing limiting step 21 is arranged on the outer wall of the air pipe 2, and the outer wall of the air pipe 2 is tightly matched with an inner hole of the rotary bearing 5.

And one side of the rotary bearing 5 departing from the opening of the bearing hole is provided with a sealing element 7, and the sealing element 7 is sleeved on the outer wall of the air pipe 2.

One end of the hollow shaft 41 close to the main air pipe 31 is fixedly connected with a first flange 8, the first flange 8 is provided with a first connecting through hole 81, one end of the main air pipe 31 close to the hollow shaft 41 is fixedly connected with a second flange 9, the second flange 9 is provided with a second connecting through hole 91 corresponding to the first connecting through hole 81, and the first flange 8 and the second flange 9 are fixedly connected with each other through a bolt 11.

And a sealing ring 10 is arranged at the connecting end surface of the first flange plate 8 and the second flange plate 9.

A limiting groove 82 is formed in the end face, close to the second flange plate 9, of the first flange plate 8, and a limiting protrusion 92 matched with the limiting groove 82 is formed in the end face, close to the first flange plate 8, of the second flange plate 9.

The opening direction of the aeration holes 33 is perpendicular to the rotation direction of the aeration pipe 3.

During the use, starter motor 4 and air-blower 1, motor 4's hollow shaft 41 drives the aeration pipe 3 rotatory, and the gas that air-blower 1 blew out simultaneously passes through hollow shaft 41 through tuber pipe 2 earlier again, then sends into aeration pipe 3, is discharged by aeration hole 33 at last, stirs the sewage in the filter tank when realizing the aeration of aeration pipe 3, makes microorganism contact oxygen more abundant, improves the purifying effect of sewage.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a rotatory aeration equipment for sewage treatment, includes air-blower (1), tuber pipe (2), aeration pipe (3) and motor (4), air-blower (1) gives through tuber pipe (2) aeration pipe (3) air feed, motor (4) drive aeration pipe (3) are rotatory, a serial communication port, the drive shaft of motor (4) is hollow shaft (41), hollow shaft (41) intercommunication tuber pipe (2) and aeration pipe (3), aeration pipe (3) include main trachea (31) and gas-distributing pipe (32), be equipped with a plurality of aeration holes (33) on gas-distributing pipe (32), main trachea (31) with hollow shaft (41) one end detachable connection, the hollow shaft (41) other end with tuber pipe (2) are along axis swivelling joint.

2. The rotary aeration device for sewage treatment according to claim 1, wherein a bearing hole is formed at one end of the hollow shaft (41) close to the air pipe (2), a rotary bearing (5) is arranged between the hollow shaft (41) and the air pipe (2), the rotary bearing (5) is accommodated in the bearing hole, an anti-dropping snap spring (6) for axially limiting the rotary bearing (5) is arranged on the inner wall of the opening end of the bearing hole, a bearing limiting step (21) is arranged on the outer wall of the air pipe (2), and the outer wall of the air pipe (2) is tightly matched with the inner hole of the rotary bearing (5).

3. A rotary aeration device according to claim 2, wherein the rotary bearing (5) is provided with a sealing member (7) on the side facing away from the bearing hole opening, the sealing member (7) being fitted over the outer wall of the air duct (2).

4. The rotary aeration device according to claim 1, wherein a first flange (8) is fixedly connected to one end of the hollow shaft (41) near the main air pipe (31), a first connecting through hole (81) is formed in the first flange (8), a second flange (9) is fixedly connected to one end of the main air pipe (31) near the hollow shaft (41), a second connecting through hole (91) corresponding to the first connecting through hole (81) is formed in the second flange (9), and the first flange (8) and the second flange (9) are fixedly connected to each other through bolts (11).

5. A rotary aeration device according to claim 4 wherein a sealing ring (10) is provided at the connecting end surface of the first flange (8) and the second flange (9).

6. A rotary aeration device according to claim 4, wherein the first flange (8) has a position-limiting groove (82) on its end surface near the second flange (9), and the second flange (9) has a position-limiting protrusion (92) on its end surface near the first flange (8) for engaging with the position-limiting groove (82).

7. A rotary aeration apparatus according to claim 1, wherein the opening direction of the aeration holes (33) is perpendicular to the rotational movement direction of the aeration tube (3).

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