Device for improving aeration system of oxidation ditch

Abstract

The utility model discloses a device for improving an aeration system of an oxidation ditch, which comprises a filter tank, two sides of the filter tank are respectively connected with a connecting cylinder, an aeration turntable is arranged in the filter tank, the bottom of the aeration turntable is provided with a fixed disc, the fixed disc is rotatably connected with a vertical column, the upper end of the vertical column is fixedly connected with a rotating cover, and the rotating cover is fixedly connected with a rotating shaft. A plurality of evenly-distributed air holes are formed in the rotating cover, a ratchet wheel is arranged on the stand column, and ratchet wheel blades are arranged on the ratchet wheel. Compared with the prior art, the biological rotating wheel disclosed by the utility model has the advantages that the biological rotating wheel is connected with the driving motor through the transmission assembly and is regulated and controlled by the control assembly. The aeration turntable is arranged in the oxidation ditch, and the air is cut into tiny bubbles through the rotation of the turntable, so that the contact area between the air and water is increased, and the dissolution efficiency of oxygen is improved.

Description

Technical Field

[0001] The utility model relates to the field of aeration systems, in particular to a device for improving an oxidation ditch aeration system. Background Art

[0002] The aerated biological filter is a sewage treatment process developed on the basis of ordinary biological filters and with reference to the water filter process. It has been widely used in the current domestic sewage and industrial wastewater treatment fields.

[0003] A biological aerated filter (BAF) primarily involves packing a high-surface-area filler within a bio-tank. Wastewater flows through the filler layer either from top to bottom or from bottom to top. Aeration pipes are located beneath the filler layer. Pollutants in the wastewater are physically filtered and intercepted by the filler while also being absorbed and degraded by the microbial biofilm growing on the filler. BAFs are currently a hot topic in wastewater treatment research and development due to their high operating load, high degree of automation, strong impact resistance, and excellent effluent quality.

[0004] Conventional biological aerated filters (BAFs) use a limited number of filler types and large quantities of them, typically using aeration tubes. This results in high energy consumption, as well as the packing and aeration tubes being prone to clogging. This makes replacing clogged filler difficult and impacts filter operation. Therefore, to address the shortcomings of existing technologies, it is imperative to develop a BAF that offers low energy consumption, is less prone to clogging, features a wide variety of filler types, is easily replaceable, and offers high treatment efficiency. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the above technical defects and provide an aeration turntable that can be conveniently installed in the oxidation ditch. Through the rotation of the turntable, the air is cut into tiny bubbles, the contact area between air and water is increased, and thus the oxygen dissolution efficiency is improved.

[0006] In order to solve the above problems, the technical solution of the present utility model is: a device for improving the aeration system of an oxidation ditch, comprising a filter tank, both sides of the filter tank are connected to a connecting cylinder, an aeration turntable is provided in the filter tank, a fixed disk is provided at the bottom of the aeration turntable, a column is rotatably connected to the fixed disk, a rotating cover is fixedly connected to the upper end of the column, a plurality of evenly distributed air holes are provided on the rotating cover, a ratchet is provided on the column, and a ratchet blade is provided on the ratchet.

[0007] Furthermore, the filter tank is a coverless structure with a cover plate connected thereto.

[0008] Furthermore, a driving motor is provided on the column for driving the rotation of the rotating cover.

[0009] Furthermore, the blade surface carrier on the ratchet blade is glass fiber cotton with a single-filament fineness of ≤1.8 dtex, ceramic fiber cotton with a single-filament fineness of ≤1.8 dtex, or polypropylene fiber cotton with a single-filament fineness of ≤1.8 dtex.

[0010] Furthermore, the filter tank includes a filter tank bottom plate and a filter tank outer wall arranged on the filter tank bottom plate, the filter tank outer wall is a reinforced concrete or rubble concrete outer wall, and the filter tank bottom plate is a concrete bottom plate or an anti-seepage membrane.

[0011] The advantages of this utility model compared with the existing technology are:

[0012] The utility model is equipped with a special design of the aeration turntable, which allows oxygen to dissolve more fully into the water, improving oxygen utilization. The trapezoidal bumps and circular pits on the turntable surface can increase the amount of air introduced into the mixed liquid, enhance the ability to cut bubbles, and thus improve oxygenation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional device for improving the oxidation ditch aeration system. Figure 1 .

[0014] Figure 2 This is a three-dimensional device for improving the oxidation ditch aeration system. Figure 2 .

[0015] As shown in the figure: 1. Filter tank; 2. Connecting tube; 3. Aeration turntable; 4. Fixed plate; 5. Column; 6. Rotating cover; 7. Air hole; 8. Cover plate DETAILED DESCRIPTION

[0016] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] like Figures 1 to 2As shown, a device for improving the aeration system of an oxidation ditch includes a filter tank 1, both sides of the filter tank 1 are connected with a connecting tube 2, an aeration turntable 3 is provided in the filter tank 1, a fixed disk 4 is provided at the bottom of the aeration turntable 3, a column 5 is rotatably connected to the fixed disk 4, a rotating cover 6 is fixedly connected to the upper end of the column 5, a plurality of evenly distributed air holes 7 are provided on the rotating cover 6, a ratchet is provided on the column 5, and a ratchet blade is provided on the ratchet.

[0020] In specific use, the filter tank 1 is a coverless structure, on which a cover plate 8 is connected. The column 5 is provided with a drive motor for driving the rotation of the rotating cover 6. The blade carrier on the ratchet blade is glass fiber cotton with a single-filament fineness ≤1.8dtex or ceramic fiber cotton with a single-filament fineness ≤1.8dtex or polypropylene fiber cotton with a single-filament fineness ≤1.8dtex. The filter tank 1 includes a filter tank bottom plate and a filter tank outer wall arranged on the filter tank bottom plate. The filter tank outer wall is a reinforced concrete or rubble concrete outer wall, and the filter tank bottom plate is a concrete bottom plate or an impermeable membrane.

[0021] It has the following advantages:

[0022] 1. Efficient Oxygenation: The special design of the aeration turntable allows oxygen to dissolve more fully into the water, improving oxygen utilization. The trapezoidal bumps and circular pits on the turntable surface increase the amount of air introduced into the mixed liquid, enhancing the ability to cut bubbles, thereby improving oxygenation efficiency.

[0023] 2. Energy saving and consumption reduction: The improved aeration system uses air lift technology, which reduces energy consumption by approximately 20%-30% compared to traditional aeration devices. In addition, the precise regulation of control components further reduces unnecessary energy waste.

[0024] 3. Easy maintenance: The device has a simple structure and small size, making it easy to install and maintain. The aeration turntable is made of lightweight, high-strength, corrosion-resistant fiberglass, which is not only light but also strong and corrosion-resistant, reducing maintenance frequency and costs.

[0025] 4. Strong adaptability: This aeration system is suitable for various types of sewage treatment plants, especially for the renovation of old plants that need to significantly reduce energy consumption.

[0026] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A device for improving an oxidation ditch aeration system, characterized in that: The invention comprises a filter tank (1), wherein both sides of the filter tank (1) are connected with connecting cylinders (2), an aeration turntable (3) is provided in the filter tank (1), a fixed disk (4) is provided at the bottom of the aeration turntable (3), a column (5) is rotatably connected to the fixed disk (4), a rotating cover (6) is fixedly connected to the upper end of the column (5), a plurality of evenly distributed air holes (7) are provided on the rotating cover (6), a ratchet is provided on the column (5), and a ratchet blade is provided on the ratchet.

2. The device for improving the oxidation ditch aeration system according to claim 1, characterized in that: The filter tank (1) is a coverless structure, and a cover plate (8) is connected thereto.

3. The device for improving an oxidation ditch aeration system according to claim 1, characterized in that: The column (5) is provided with a driving motor for driving the rotating cover (6) to rotate.

4. The device for improving an oxidation ditch aeration system according to claim 1, characterized in that: The blade surface carrier on the ratchet blade is glass fiber cotton with a single-filament fineness of ≤1.8 dtex, ceramic fiber cotton with a single-filament fineness of ≤1.8 dtex, or polypropylene fiber cotton with a single-filament fineness of ≤1.8 dtex.

5. The device for improving an oxidation ditch aeration system according to claim 1, characterized in that: The filter tank (1) comprises a filter tank bottom plate and a filter tank outer wall arranged on the filter tank bottom plate, the filter tank outer wall is a reinforced concrete or rubble stone concrete outer wall, and the filter tank bottom plate is a concrete bottom plate or an anti-seepage membrane.

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