Anti-blocking aeration disc for sewage treatment

Abstract

The utility model relates to the technical field of aeration discs, and discloses an anti-clogging aeration disc for sewage treatment, which comprises a chassis, a fixing ring, an air outlet cover and an air inlet pipe, the fixing ring is arranged at the top of the chassis, the air outlet cover is rotatably clamped at the inner ring surface of the fixing ring, a plurality of circles of top air outlet pushing holes are uniformly formed in the top surface of the air outlet cover, and the air inlet pipe is arranged in the air outlet cover. A plurality of lateral air outlet pushing holes are evenly formed in the side face of the air outlet cover, outer cross-shaped scraping plates attached to the top face and the side face of the outer side of the air outlet cover are installed at the top end of the fixing ring, and inner cross-shaped scraping plates attached to the top face and the side face of the interior of the air outlet cover are installed in the chassis. According to the anti-blocking aeration disc for sewage treatment, efficient gas distribution, uniform aeration, automatic impurity cleaning and stable operation are realized through innovative design and careful engineering consideration. Due to the characteristics, the sewage treatment efficiency and quality are improved, the service life of the aeration disc is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration discs, in particular to an anti-clogging aeration disc for sewage treatment. Background Art

[0002] In the field of sewage treatment, aeration discs are a key device used to inject air into sewage to promote microbial activity, thereby accelerating the decomposition and removal of organic matter. The efficiency of the aeration process directly affects the effectiveness and cost of sewage treatment. Traditional aeration disc designs usually include a fixed air hood with multiple air outlets to evenly disperse compressed air into the sewage. However, over time, these air outlets are prone to clogging due to the accumulation of suspended solid particles and biofilm in the sewage, resulting in reduced aeration efficiency or even complete failure.

[0003] The existing aeration disc has the following shortcomings:

[0004] Uneven aeration: Due to design limitations, traditional aeration discs often have difficulty achieving uniform gas distribution, resulting in excessive aeration in some areas and insufficient aeration in other areas, affecting the uniformity and efficiency of sewage treatment.

[0005] Easy to clog: Since the air vents are usually static, the suspended solid particles and biofilm in the sewage are easy to accumulate in the pores, causing pore blockage, reducing aeration efficiency, and increasing maintenance frequency and cost.

[0006] Difficult maintenance: When the aeration disc is blocked, it is usually necessary to shut down the machine for manual cleaning or replacement of parts, which not only affects the continuity of sewage treatment, but also increases the complexity of operation and maintenance costs. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] In view of the deficiencies in the prior art, the utility model provides an anti-clogging aeration plate for sewage treatment to solve the above problems.

[0009] (II) Technical solution

[0010] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging aeration plate for sewage treatment, comprising a chassis, a fixed ring, an air outlet hood and an air inlet pipe, the fixed ring is arranged on the top of the chassis, the air outlet hood is rotatably clamped on the inner ring surface of the fixed ring, the top surface of the air outlet hood is evenly provided with a plurality of circles of top air outlet push holes, the side of the air outlet hood is evenly provided with a plurality of side air outlet push holes, the top of the fixed ring is equipped with an outer cross scraper that fits the outer top and side surfaces of the air outlet hood, and the chassis is equipped with an inner cross scraper that fits the inner top and side surfaces of the air outlet hood.

[0011] As a preferred technical solution of the utility model, the internal channel of the top air outlet and pushing hole is inclined at 25°.

[0012] As a preferred technical solution of the utility model, the inner channel of the side air outlet and pushing hole is inclined at 25°.

[0013] As a preferred technical solution of the utility model, a plurality of scrapers are arranged at the bottom of the outer cross scraper.

[0014] As a preferred technical solution of the utility model, the plurality of scrapers are all distributed obliquely.

[0015] As a preferred technical solution of the utility model, an annular boss is arranged on the inner ring surface of the fixing ring, and the air outlet hood is specifically rotatably clamped on the annular boss.

[0016] As a preferred technical solution of the present utility model, the air intake pipe is connected to the center of the chassis.

[0017] Compared with the prior art, the utility model provides an anti-clogging aeration plate for sewage treatment, which has the following beneficial effects:

[0018] Uniform aeration: Through the 25° inclined design of the top and side air outlet push holes on the top and sides of the air outlet hood, the tangential thrust generated when the gas is discharged not only promotes the diffusion of bubbles, but also drives the clockwise rotation of the air outlet hood, thereby achieving uniform distribution of aeration and improving the efficiency and quality of sewage treatment.

[0019] Automatic blockage clearing: The rotating movement of the air hood combined with the scraping operation of the outer cross scraper and the inner cross scraper effectively cleans the impurities inside the top air outlet and side air outlet holes, prevents blockage of the holes, and ensures the continuous and stable operation of the aeration disc.

[0020] Optimized scraper design: The scrapers of the outer cross scraper and the inner cross scraper fit closely to the surface of the hood, and their inclined distribution design reduces the possibility of impurities getting stuck between the scrapers, thus improving scraping efficiency. At the same time, the material and hardness of the scraper are specially selected to ensure the scraping effect while avoiding damage to the surface of the hood.

[0021] Stable structure: The fixing ring and annular boss on the chassis provide stable support for the air outlet cover and allow it to rotate freely, enhancing the structural stability and durability of the entire aeration plate.

[0022] In summary, this anti-clogging aerator for sewage treatment achieves efficient gas distribution, uniform aeration, automatic impurity cleaning and stable operation through its innovative design and careful engineering considerations. These features not only improve the efficiency and quality of sewage treatment, but also extend the service life of the aerator and reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the half-cut structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the explosion separation structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the distribution of the outer cross scraper and scraper blade of the utility model;

[0027] Figure 5 It is a top view of the utility model.

[0028] Among them: 1. chassis; 2. fixing ring; 3. air outlet cover; 4. annular boss; 5. air inlet pipe; 6. inner cross scraper; 7. outer cross scraper;

[0029] 31. Top air outlet and push hole; 32. Side air outlet and push hole;

[0030] 71. Scraper. DETAILED DESCRIPTION

[0031] The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should be noted that if the utility model embodiments involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0034] See also Figure 1-5 , an anti-clogging aeration disc for sewage treatment:

[0035] The chassis 1 serves as the foundation of the entire aeration plate, and a fixing ring 2 is designed on the top thereof. An annular boss 4 is arranged on the inner ring surface of the fixing ring 2. This design not only provides a stable support for the air outlet hood 3, but also ensures that the air outlet hood 3 can rotate freely on the annular boss 4.

[0036] The top surface of the gas outlet hood 3 is arranged with multiple circles of top gas outlet pushing holes 31. The 25° inclined design of these holes enables the gas to generate a tangential thrust when it is discharged. This thrust not only helps the diffusion of bubbles, but also drives the gas outlet hood 3 to rotate clockwise. This rotational motion helps to evenly distribute aeration, and is also to cooperate with the outer cross scraper 7 and the inner cross scraper 6 to scrape impurities and clear blockages inside the top gas outlet pushing holes 31.

[0037] The side air outlet push hole 32 opened on the side of the air outlet hood 3 also adopts a 25° inclined channel design. This design enables the gas to push the air outlet hood 3 to rotate clockwise when discharged, thereby achieving uniform aeration on the side. At the same time, it is to cooperate with the outer cross scraper 7 and the inner cross scraper 6 to scrape away impurities and clear blockages inside the side air outlet push hole 32.

[0038] The outer cross scraper 7 installed on the top of the fixing ring 2 is designed with multiple scrapers 71, which are closely attached to the outer top surface and side surface of the air outlet hood 3. The inclined distribution design of the scrapers 71 makes it difficult for impurities to get stuck between adjacent scrapers when scraping impurities, thereby improving the scraping efficiency. The material and hardness of the outer cross scraper 7 are specially selected to ensure that the surface of the air outlet hood 3 will not be damaged while scraping impurities.

[0039] The inner cross scraper 6 installed inside the chassis 1 cooperates with the outer cross scraper 7, and the inner cross scraper 6 is closely attached to the inner top surface and side surface of the air outlet hood 3. The design of the inner cross scraper 6 also takes into account the scraping efficiency and the need to protect the surface of the air outlet hood 3. Its material and shape are carefully designed to ensure that the air outlet hood 3 will not be damaged while scraping away internal impurities.

[0040] The air inlet pipe 5 is located at the center of the chassis 1, which ensures that the gas can be evenly distributed to the entire aeration plate. The interface design of the air inlet pipe 5 takes into account the connection with the external air supply system to ensure a stable supply of gas.

[0041] How it works

[0042] Gas supply: The external gas supply system delivers gas to the center of the chassis 1 through the air intake pipe 5.

[0043] Gas distribution: The gas is evenly distributed from the air inlet pipe 5 to the entire aeration plate, ready to enter the air outlet hood 3.

[0044] Gas discharge: The gas is discharged through the top gas outlet push hole 31 on the top surface of the gas outlet cover 3 and the side gas outlet push hole 32 on the side. These holes are designed with a 25° inclination so that the gas generates a tangential thrust when discharged.

[0045] Rotational aeration: The tangential thrust causes the outlet hood 3 to rotate clockwise. This rotational motion helps to diffuse the bubbles and evenly distribute the aeration.

[0046] Impurity scraping: The outer cross scraper 7 and the inner cross scraper 6 work simultaneously to scrape the top and sides of the air outlet hood 3.

[0047] Anti-clogging: Through the synergistic effect of rotary aeration and scraper to remove impurities, the top air outlet and push hole 31 and the side air outlet and push hole 32 are effectively prevented from being blocked, ensuring the continuous and efficient operation of the aeration plate.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An anti-clogging aeration plate for sewage treatment, comprising a base plate (1), a fixing ring (2), an air outlet hood (3) and an air inlet pipe (5), characterized in that: The fixing ring (2) is arranged on the top of the chassis (1); the air outlet hood (3) is rotatably engaged with the inner ring surface of the fixing ring (2); the top surface of the air outlet hood (3) is evenly provided with a plurality of top air outlet holes (31); the side surface of the air outlet hood (3) is evenly provided with a plurality of side air outlet holes (32); the top of the fixing ring (2) is provided with an outer cross scraper (7) fitted to the outer top surface and side surface of the air outlet hood (3); and the chassis (1) is provided with an inner cross scraper (6) fitted to the inner top surface and side surface of the air outlet hood (3).

2. The anti-clogging aeration plate for sewage treatment according to claim 1, characterized in that: The internal channel of the top air outlet and pushing hole (31) is inclined at 25 degrees.

3. The anti-clogging aeration plate for sewage treatment according to claim 1, characterized in that: The inner channel of the side air outlet and pushing hole (32) is inclined at 25 degrees.

4. The anti-clogging aeration plate for sewage treatment according to claim 1, characterized in that: A plurality of scrapers (71) are arranged at the bottom of the outer cross scraper (7).

5. The anti-clogging aeration plate for sewage treatment according to claim 4, characterized in that: The plurality of scrapers (71) are all distributed obliquely.

6. The anti-clogging aeration plate for sewage treatment according to claim 1, characterized in that: An annular boss (4) is provided on the inner ring surface of the fixing ring (2), and the air outlet cover (3) is specifically rotatably clamped on the annular boss (4).

7. The anti-clogging aeration plate for sewage treatment according to claim 1, characterized in that: The air intake pipe (5) is connected to the center of the chassis (1).

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