Cross-shaped rotational flow aeration cylinder

Abstract

The utility model discloses a cross-shaped rotational flow aeration cylinder which comprises an aeration pipeline, an air inlet pipe communicated with the aeration pipeline is arranged in the middle of the aeration pipeline, second connecting holes used for installing aeration heads are formed in the two ends of the aeration pipeline, supporting rods are arranged on the two sides of the middle of the aeration pipeline respectively, and strip-shaped grooves are formed in the supporting rods. According to the cross-shaped spiral-flow aeration cylinder disclosed by the utility model, the strip-shaped grooves are formed in the supporting rods of the cross-shaped spiral-flow aeration cylinder, so that thermal stress caused by thermal expansion and cold contraction of the supporting rods in an aeration tank can be relieved, and the service life of the supporting rods is prolonged; meanwhile, the rib plates are arranged in the strip-shaped grooves and used for guaranteeing the structural strength of the supporting rods, the aeration heads can exhaust air at the two ends of the aeration pipeline in different directions, aeration rotational flow is formed, and the dissolved oxygen amount of the aeration tank is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration pipe bodies, in particular to a cross-shaped swirl aeration cylinder. Background Technique

[0002] In the process of sewage treatment, the aeration method is often adopted. Oxygen is continuously supplied to the aeration tank for sewage treatment through an aeration device to meet the oxygen demand of aerobic microorganisms inside the aeration tank and the mixing condition of sufficient contact between sewage and activated sludge. The aeration pipe cylinder in the aeration device is installed at the bottom of the aeration tank through a bracket for gas circulation, and the aeration head is installed on the aeration pipe cylinder for aeration. Generally, the aeration directions of the aeration heads are the same (such as the aeration direction of the aeration disc in the aeration device in Patent CN219689481 U), the aeration range is limited, and the solid plastic bracket often breaks due to thermal stress inside the aeration tank, resulting in a short service life. Content of the Utility Model

[0003] In view of the situation that the solid plastic bracket in the prior art is prone to break inside the aeration tank, the utility model provides a cross-shaped swirl aeration cylinder, and strip-shaped grooves are opened on the support rods of the bracket to release the thermal stress of the bracket.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A cross-shaped swirl aeration cylinder includes an aeration pipe. An air inlet pipe communicated with the aeration pipe is arranged in the middle of the aeration pipe. First connection holes are arranged at both ends of the aeration pipe. Convex mounting seats are arranged outside both ends of the aeration pipe. Second connection holes are arranged on the mounting seats, and the axis of the second connection holes is perpendicular to the axis of the first connection holes;

[0006] Support rods are respectively arranged on both sides in the middle of the aeration pipe. The support rods are perpendicular to the aeration pipe. Strip-shaped grooves are opened on the support rods. The extending direction of the strip-shaped grooves is parallel to the extending direction of the support rods. At least one rib plate is arranged inside the strip-shaped grooves.

[0007] Preferably, the aeration pipe, the support rods, the mounting seats and the air inlet pipe are integrally formed.

[0008] Preferably, a support plate is arranged at the end of the support rod.

[0009] Preferably, a connecting flange is arranged at one end of the aeration pipe.

[0010] Preferably, the number of strip-shaped grooves on one support rod is two, and the two strip-shaped grooves are arranged in parallel.

[0011] Preferably, two rib plates are arranged inside one strip-shaped groove.

[0012] The beneficial effects of the utility model are:

[0013] 1. A strip-shaped groove is provided on the support rod of the cross-shaped swirl aeration cylinder, which can relieve the thermal stress caused by thermal expansion and contraction of the support rod inside the aeration tank, increase the service life of the support rod, and at the same time, a rib plate is provided inside the strip-shaped groove to ensure the structural strength of the support rod.

[0014] 2. Second connection holes for connecting the aeration heads are provided at both ends of the aeration pipe of the cross-shaped swirl aeration cylinder. The aeration heads can exhaust air in different directions at both ends of the aeration pipe to form an aeration swirl, increasing the dissolved oxygen content in the aeration tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the cross-shaped swirl aeration cylinder;

[0016] Figure 2 is a structural schematic diagram of the support rod of the cross-shaped swirl aeration cylinder;

[0017] Figure 3 is a structural schematic diagram of the cross-section of the support rod of the cross-shaped swirl aeration cylinder;

[0018] Figure 4 is a structural schematic diagram of the cross-shaped swirl aeration cylinder with an aeration head (direct current) installed;

[0019] Figure 5 is a structural schematic diagram of the cross-shaped swirl aeration cylinder with an aeration head (swirl) installed. In the figure: 1. Aeration pipe; 2. Support rod; 3. Support plate; 4. Mounting seat; 5. Inlet pipe; 6. Connecting flange; 7. Aeration head; 101. First connection hole; 21. Strip-shaped groove; 22. Rib plate; 41. Second connection hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0021] Referring to Figure 1 , a cross-shaped swirl aeration cylinder includes an aeration pipe 1. An inlet pipe 5 is provided in the middle of the aeration pipe 1. The inlet pipe 5 is communicated with the aeration pipe 1. The axis of the inlet pipe 5 is perpendicular to the axis of the aeration pipe 1. The inlet pipe 5 is used for the intake of the aeration pipe 1. First connection holes 101 are provided at both ends of the aeration pipe 1. The first connection holes 101 are used for the connection between the aeration pipes 1.

[0022] Furthermore, raised mounting seats 4 are provided outside both ends of the aeration pipe 1. Second connection holes 41 are provided on the mounting seats 4. The axes of the second connection holes 41 are perpendicular to the axis of the first connection hole 101, and the axis of the first connection hole 101 is parallel to the axis of the air inlet pipe 5. The first connection hole 101 is used to install the aeration head 7, and the aeration head 7 is used for discharging gas. The gas enters the aeration pipe 1 from the air inlet pipe 5 and is discharged from the aeration heads 7 at the two first connection holes 101 for aeration in the aeration tank. When installing the aeration heads 7, keeping the aeration directions opposite can form a swirl flow in the aeration tank, increasing the aeration area and the dissolved oxygen content in the water.

[0023] Furthermore, referring to Figure 1 , support rods 2 are respectively provided on both sides of the middle part of the aeration pipe 1. Bracket plates 3 are provided at the ends of the support rods 2. The support rods 2 and the bracket plates 3 form a bracket for installing the aeration pipe 1.

[0024] Referring to Figure 2 and Figure 3 , the support rods 2 are perpendicular to the aeration pipe 1. Two strip-shaped grooves 21 are opened on the support rods 2. The extending directions of the two strip-shaped grooves 21 are respectively parallel to the extending direction of the support rods 2. The strip-shaped grooves 21 are used to relieve the thermal stress caused by thermal expansion and contraction of the support rods 2 inside the aeration tank.

[0025] Furthermore, referring to Figure 2 , two rib plates 22 are provided inside the strip-shaped grooves 21. The two rib plates 22 are used to assist in supporting the strip-shaped grooves 21 and increasing the structural strength of the support rods 2.

[0026] Furthermore, the materials of the aeration pipe 1, the support rods 2, the mounting seats 4 and the air inlet pipe 5 are plastics, and the aeration pipe 1, the support rods 2, the mounting seats 4 and the air inlet pipe 5 are integrally formed.

[0027] In this embodiment, a connecting flange 6 is provided at one end of the aeration pipe 1. The connecting flange 6 is used for the installation and connection of the aeration pipe 1.

[0028] When the cross-shaped swirl aeration cylinder in this embodiment is in use, it is installed inside the aeration tank for introducing oxygen-containing gas into the aeration tank and increasing the dissolved oxygen content inside the aeration tank. The support rods 2 are used for the fixed installation of the aeration pipe 1 inside the aeration tank. The connecting flange 5 is used for the connection of the aeration pipe 1 with other components. The first connection hole 101 is used to install the aeration head 7. The gas enters the aeration pipe 1 from the air inlet pipe 5 and is discharged from the two aeration heads 7 for aeration in the aeration tank.

[0029] When installing the aeration heads 7, referring to Figure 4 , the aeration directions of the two aeration heads 7 are the same, forming direct-current aeration; referring to Figure 5, the aeration directions of the two aeration heads 7 are opposite, which can form a swirl in the aeration tank, increasing the aeration area and the dissolved oxygen content in the water.

[0030] The above is only the preferred specific implementation mode of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent replacements or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A cross-shaped swirl aeration cylinder, comprising an aeration pipe (1), characterized in that, A middle part of the aeration pipe (1) is provided with an air inlet pipe (5) communicated with the aeration pipe (1). Both ends of the aeration pipe (1) are provided with first connection holes (101). An external part of both ends of the aeration pipe (1) is provided with a raised mounting seat (4). A second connection hole (41) is arranged on the mounting seat (4), and the axis of the second connection hole (41) is perpendicular to that of the first connection hole (101). Support rods (2) are respectively arranged on both sides of a middle part of the aeration pipe (1). The support rods (2) are perpendicular to the aeration pipe (1). At least one strip-shaped groove (21) is formed in each support rod (2). The extending direction of the strip-shaped groove (21) is parallel to that of the support rod (2). At least one rib plate (22) is arranged inside the strip-shaped groove (21).

2. The cross-shaped swirl aeration cylinder according to claim 1, wherein The aeration pipe (1), the support rods (2), the mounting seats (4) and the air inlet pipes (5) are integrally formed.

3. The cross-shaped swirl aeration cylinder according to claim 1 or 2, characterized in that, A support plate (3) is arranged at an end of the support rod (2).

4. The cross-shaped swirl aeration cylinder according to claim 1 or 2, characterized in that, A connection flange (6) is arranged at one end of the aeration pipe (1).

5. The cross-shaped swirl aeration cylinder according to claim 1 or 2, characterized in that, The number of strip-shaped grooves (21) on one support rod (2) is two, and the two strip-shaped grooves (21) are arranged in parallel.

6. A cruciform swirl aeration cylinder according to claim 5, characterized in that, Two rib plates (22) are arranged inside one strip-shaped groove (21).

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