CN209923004U - An Unpowered Rotary Aeration Disc for Sewage Treatment - Google Patents

Abstract

An unpowered rotary aeration disc for sewage treatment comprises an aeration pipe and an aeration disc assembly arranged on the aeration pipe; aeration dish subassembly includes hollow transition pipe, with hollow transition pipe cooperation possess the rotation action and with the hollow pivot of breather pipe hole intercommunication, and connect in aeration blade around the hollow pivot. The utility model discloses a hollow transition pipe is connected with the breather pipe, adopt hollow pivot and hollow transition pipe normal running fit to be connected, and connect aeration blade in hollow pivot, aeration blade's side and top surface are given vent to anger and are made aeration dish can unpowered rotation, make gaseous diffusion that can be better, increase the aeration area, and can prevent debris such as mud after the rotation and pile up and lead to the micropore jam, in addition, aeration blade can make gaseous better dissolving in the aquatic at the aquatic rotation, make the aquatic oxygen content higher, the rotatory mixing that more is favorable to sewage treatment in-process activated sludge of blade, be favorable to sewage treatment more.

Description

An Unpowered Rotary Aeration Disc for Sewage Treatment

technical field

The utility model relates to the field of microporous aeration discs for sewage treatment, in particular to an unpowered rotating aeration disc for sewage treatment.

Background technique

The microporous aeration disc is a typical type of microbubble air diffusion device. The diffuser disc is mainly made of microporous materials such as ceramics, titanium powder, alumina, silicon oxide and nylon. The utilization rate is high, and it is often installed in the form of assembly. It is widely used in biochemical oxidation tanks and air flotation tanks in wastewater treatment processes, especially for urban sewage and large factories. The existing microporous aeration discs have disadvantages such as easy blockage, small aeration range, and large diffusion resistance.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides an unpowered rotary aeration plate for sewage treatment. The unpowered rotary aeration plate for sewage treatment of the utility model adopts a hollow transition pipe to connect with a ventilation pipe. The hollow shaft is connected with the hollow transition tube in rotation, and the aeration blades are connected to the hollow shaft. The side and top surfaces of the aeration blades allow the aeration disc to rotate without power, so that the gas can be better diffused and increased aeration In addition, the rotation of the aeration blades in the water can make the gas better dissolve in the water, so that the oxygen content in the water is higher, and the rotation of the blades is more conducive to sewage The mixing of activated sludge in the treatment process is more conducive to sewage treatment.

The specific technical scheme of the utility model is as follows: an unpowered rotating aeration disk for sewage treatment, comprising a ventilation pipe and an aeration disk assembly installed on the ventilation pipe;

The aeration plate assembly includes a hollow transition pipe, a hollow rotating shaft that cooperates with the hollow transition pipe and has a rotating action and communicates with the inner hole of the ventilation pipe, and an aeration vane connected to the periphery of the hollow rotating shaft.

The aeration blade can give rotational momentum in the process of aerating to the side, so that the hollow shaft and the aeration blade rotate, so that the aerated gas can spread to the surrounding area and cover a larger area; The rotation of the aeration blade can prevent the accumulation of debris such as sludge and cause the blockage of micropores; in addition, the rotation of the aeration blade in the water can make the gas better dissolve in the water, so that the oxygen content in the water is higher, and the water is more efficient. Conducive to sewage treatment.

As a preference of the present invention, the hollow transition pipe and the ventilation pipe are connected by a three-way joint.

The hollow transition pipe and the ventilation pipe are connected by the three-way joint, which can be installed more conveniently according to the demand and distribution distance of the aeration pan assembly, and can also be used for the existing microporous aeration pan. The unpowered rotary aeration disc for sewage treatment is disassembled and replaced at the three-way joint, and the structure is simple and the installation and replacement are convenient.

As a preferred option of the present invention, the hollow rotating shaft and the hollow transition pipe are matched by a wear-resistant bearing, and the gap is sealed by an oil seal.

Therefore, the rotational resistance between the hollow rotating shaft and the hollow transition tube is smaller, and the sealing performance is better.

As a preferred feature of the present invention, at least two aeration blades are provided in the rotation circumferential direction of the hollow shaft, and at least one set of aeration blades is provided in the axial direction of the hollow shaft.

As a result, different numbers of the aeration blades can be selected according to requirements to meet sewage treatment requirements.

As a preferred aspect of the present invention, the aeration blade has at least a side surface, and a first ventilation hole is provided on the same side surface in the rotation direction of the hollow rotating shaft, and the first ventilation hole communicates with the interior of the hollow rotating shaft.

Therefore, the aeration vanes can discharge air from the side surface, and the air output from the first ventilation holes on the side surface can provide rotational power.

As a preference of the present invention, the aeration blade also has a top surface or/and a bottom surface, and the top surface or/and the bottom surface is provided with a second ventilation hole, and the second ventilation hole is connected to the interior of the hollow shaft. Connected.

Thereby, the second ventilation holes of the top surface or/and the bottom surface can discharge air upward or/and downward.

As a preference of the present invention, the first ventilation holes are distributed on the entire side surface of the aeration blade.

Therefore, the unpowered rotary aeration disc for sewage treatment only provides a side air outlet, which can increase the rotational power and prevent the ventilation holes from being blocked; in particular, the aperture size of the first ventilation holes is determined by the distance from the hollow shaft. The direction gradually becomes larger, which can provide better power to the blade.

As a preferred feature of the present invention, the first ventilation holes are distributed at one end of the side surface of the aeration blade away from the hollow shaft, and the second ventilation holes are evenly distributed throughout the entire surface of the aeration blade. the top surface or/and the bottom surface.

Thereby, the unpowered rotating aeration disc for sewage treatment aerates upward or/and downward through the second ventilation holes located on the top surface or/and the bottom surface, and through the second ventilation holes located on the side surface The first vent hole provides rotational power.

As a preference of the present invention, the top surface of the aeration blade is inclined from top to bottom in a direction away from the hollow shaft.

Therefore, when the sundries fall from the top to the top surface, it is easier to slide off the inclined surface, which can better prevent the second ventilation hole from being blocked.

As a preference of the present invention, the hollow transition pipes are connected at both ends of the ventilation pipes, and the hollow transition pipes at both ends are respectively connected with the two ventilation pipes.

Therefore, if more aeration volume is desired, the hollow transition pipe and the ventilation pipe can be installed at the upper and lower ends, which is especially suitable for the case where the aeration blades are arranged in multiple groups in the axial direction of the hollow shaft .

To sum up, the utility model has the following beneficial effects:

The non-power rotating aeration plate used for sewage treatment of the utility model adopts a hollow transition pipe to connect with a ventilation pipe, a hollow rotating shaft and a hollow transition pipe are used to rotate and cooperate with each other, and the hollow rotating shaft is connected with aeration blades. And the top surface of the aeration plate can rotate without power, so that the gas can diffuse better, increase the aeration area, and after the rotation can prevent the accumulation of sludge and other debris and cause the micropores to block, in addition, the aeration blades rotate in the water. It can make the gas better dissolve in the water, so that the oxygen content in the water is higher, the blade rotation is more conducive to the mixing of activated sludge in the sewage treatment process, and it is more conducive to sewage treatment.

Description of drawings

Fig. 1 is the overall installation schematic diagram of the non-power rotating aeration plate used for sewage treatment of the present invention;

Fig. 2 is the sectional view of the hollow transition pipe of the unpowered rotary aeration plate used for sewage treatment of the present invention;

3 is a schematic structural diagram of an embodiment of an aeration blade of an unpowered rotary aeration disc for sewage treatment of the present invention;

4 is a schematic structural diagram of an embodiment of an aeration blade of an unpowered rotary aeration disc for sewage treatment of the present invention;

5 is a schematic structural diagram of an embodiment of an aeration blade of an unpowered rotary aeration disc for sewage treatment of the present invention;

6 is a schematic structural diagram of an embodiment of an aeration blade of an unpowered rotary aeration disc for sewage treatment of the present invention;

In the figure, 1-vent pipe, 2-aeration plate assembly, 21-hollow transition pipe, 211-deep groove ball bearing, 212-oil seal, 22-hollow shaft, 23-aeration vane, 231-side, 2311-th A vent hole, 232 - top surface, 2321 - second vent hole, 3 - tee joint.

Detailed ways

The present utility model will be further described below through specific embodiments in conjunction with the accompanying drawings.

As shown in Figure 1, an unpowered rotating aeration pan for sewage treatment includes a vent pipe 1 and an aeration pan assembly 2 mounted on the vent pipe 1;

The aeration plate assembly 2 includes a hollow transition pipe 21 , a hollow rotating shaft 22 that cooperates with the hollow transition pipe 21 and has a rotating action and communicates with the inner hole of the ventilation pipe 1 , and aeration blades 23 connected around the hollow rotating shaft 22 .

The aeration blade 23 can give rotational momentum in the process of aerating to the side, so that the hollow shaft 22 and the aeration blade 23 are rotated, so that the aerated gas can spread to the surrounding area, and the coverage area is larger; and the aeration blade The rotation of 23 can prevent the accumulation of debris such as sludge and lead to blockage of micropores; in addition, the rotation of the aeration blades 23 in the water can better dissolve the gas in the water, so that the oxygen content in the water is higher, which is more conducive to sewage treatment.

As shown in FIG. 1 , the hollow transition pipe 21 and the ventilation pipe 1 are connected by a tee joint 3 .

The hollow transition pipe 21 and the ventilation pipe 1 are connected by the tee joint 3, which can be installed more conveniently according to the demand of the aeration pan assembly 2 and the distribution distance, and can also connect the existing microporous aeration pan to the tee joint. The non-power rotating aeration plate used for sewage treatment can be disassembled and replaced at the same place, and the structure is simple and the installation and replacement are convenient.

As shown in FIG. 2 , the hollow rotating shaft 22 and the hollow transition tube 21 are matched by a wear-resistant bearing 211 , and the gap is sealed by an oil seal 212 .

Therefore, the rotational resistance between the hollow rotating shaft 22 and the hollow transition tube 21 is smaller, and the sealing performance is better.

3 , 4 , 5 , and 6 , at least two aeration blades 23 are provided in the rotational circumferential direction of the hollow shaft 22 , and at least one set of aeration blades 23 is arranged in the axial direction of the hollow shaft 22 .

As a result, different numbers of aeration blades 23 can be selected according to requirements to meet sewage treatment requirements.

As shown in FIGS. 3 , 4 , 5 and 6 , the aeration blade 23 has at least a side surface 231 , and a first ventilation hole 2311 is provided on the same side surface 231 in the rotation direction of the hollow shaft 22 . The first ventilation hole 2311 and the hollow shaft 22 Internal connectivity.

Therefore, the aeration vanes 23 can discharge air from the side surface, and the air output from the first ventilation holes 2311 on the side surface can provide rotational power.

3, 4, 5, and 6, the aeration blade 23 also has a top surface 232 or/and a bottom surface, and the top surface 232 or/and the bottom surface is provided with a second ventilation hole 2321, and the second ventilation hole 2321 is connected to the hollow shaft. 22 Internally connected.

Thereby, the second ventilation holes 2321 on the top surface 232 or/and the bottom surface can discharge air upward or/and downward.

Example 1:

As shown in FIG. 3 , the first ventilation holes 2311 are distributed on the entire side surface 231 of the aeration blade 23 .

Therefore, the unpowered rotary aeration plate used for sewage treatment only provides a side air outlet, which can improve the rotational power and prevent the ventilation holes from being blocked; in particular, the aperture size of the first ventilation holes 2311 gradually increases from the direction away from the hollow shaft 22. , which can provide better power for the blades.

Example 2:

4 and 5 , the first ventilation holes 2311 are distributed at the end of the side surface 231 of the aeration blade 23 away from the hollow shaft 22 , and the second ventilation holes 2321 are evenly distributed on the entire top surface 232 or/and the bottom surface of the aeration blade 23 .

Thereby, the unpowered rotating aeration pan for sewage treatment is aerated upwards or/and downwards through the second ventilation holes 2321 located on the top surface 232 or/and the bottom surface, and is provided through the first ventilation holes 2311 located on the side surface 231 rotational power.

As shown in FIG. 3 , FIG. 4 , FIG. 5 , and FIG. 6 , the top surface 232 of the aeration blade 23 is inclined from top to bottom in the direction away from the hollow shaft 22 .

Therefore, when the sundries fall from the top to the top surface 232, it is easier to slide off the inclined surface, which can better prevent the second ventilation hole 2321 from being blocked.

Example 3:

As shown in FIG. 6 , the hollow transition pipes 21 are connected at both ends of the ventilation pipe 1 , and the hollow transition pipes 21 at both ends are respectively connected with the two ventilation pipes 1 .

Therefore, the hollow transition pipe 21 and the ventilation pipe 1 can be installed on both the upper and lower ends if more aeration volume is desired, which is especially suitable for the case where multiple sets of aeration blades 23 are provided in the axial direction of the hollow shaft 22 .

The above-mentioned embodiments merely describe the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention, and the technology claimed by the present invention shall be protected. The content has been fully described in the claims.

Claims (10)

1. The utility model provides a unpowered rotatory aeration dish for sewage treatment which characterized in that: comprises a breather pipe (1) and an aeration disc component (2) arranged on the breather pipe (1);

aeration dish subassembly (2) include hollow transition pipe (21), with hollow transition pipe (21) cooperation possess rotary motion and with hollow pivot (22) of breather pipe (1) hole intercommunication, and connect in aeration blade (23) around hollow pivot (22).

2. The unpowered rotary aeration disc for wastewater treatment according to claim 1, wherein: the hollow transition pipe (21) is connected with the vent pipe (1) through a tee joint (3).

3. The unpowered rotary aeration disc for wastewater treatment according to claim 1, wherein: the hollow rotating shaft (22) is matched with the hollow transition pipe (21) through a wear-resistant bearing (211), and the gap is sealed through an oil seal (212).

4. The unpowered rotary aeration disc for wastewater treatment according to claim 1, wherein: at least 2 aeration blades (23) are arranged in the rotating circumferential direction of the hollow rotating shaft (22), and at least 1 group of aeration blades (23) is arranged in the axis direction of the hollow rotating shaft (22).

5. The unpowered rotary aeration disc for wastewater treatment according to claim 4, wherein: the aeration blade (23) at least has a side surface (231), a first air vent hole (2311) is formed in the same side surface (231) in the rotating direction of the hollow rotating shaft (22), and the first air vent hole (2311) is communicated with the interior of the hollow rotating shaft (22).

6. The unpowered rotary aeration disc for wastewater treatment according to claim 5, wherein: the aeration blade (23) is also provided with a top surface (232) or/and a bottom surface, the top surface (232) or/and the bottom surface is provided with a second ventilation hole (2321), and the second ventilation hole (2321) is communicated with the interior of the hollow rotating shaft (22).

7. The unpowered rotary aeration disc for wastewater treatment according to claim 5, wherein: the first vent holes (2311) are distributed on the whole side surface (231) of the aeration blade (23).

8. The unpowered rotary aeration disc for wastewater treatment according to claim 6, wherein: the first ventilation holes (2311) are distributed at one end of the side surface (231) of the aeration blade (23) far away from the hollow rotating shaft (22), and the second ventilation holes (2321) are uniformly distributed on the whole top surface (232) or/and the bottom surface of the aeration blade (23).

9. The unpowered rotary aeration disc for wastewater treatment according to claim 6 or 8, wherein: the top surfaces (232) of the aeration blades (23) are inclined from top to bottom in the direction away from the hollow rotating shaft (22).

10. The unpowered rotary aeration disc for wastewater treatment according to claim 9, wherein: the hollow transition pipe (21) is connected with both ends of the vent pipe (1), and the hollow transition pipe (21) at both ends is respectively connected with the two vent pipes (1).

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