Pressurized dissolved air flotation machine

Abstract

The utility model discloses a pressurized dissolved air flotation machine which comprises an air flotation machine and an air flotation pipeline, the air flotation pipeline is arranged at the top end of the air flotation machine, vertical pipes are arranged on the two sides of the bottom end of the air flotation pipeline, a connecting pipe is arranged between the vertical pipes, and supporting pieces are arranged on the two sides of the outer wall of the connecting pipe. A rotatable vertical rod is arranged in the supporting piece, an air floating plate is arranged at the bottom end of the vertical rod, and a plurality of air conveying assemblies are arranged at the bottom end of the connecting pipe. According to the stable air flotation process, through the arrangement of a supporting piece, a vertical rod and an air flotation plate, the air flotation plate can be unfolded towards the two sides on the supporting piece and fixed, the stability of the air flotation plate is kept, the continuity and stability of the air flotation effect are ensured, and the air conveying design is optimized; by reasonably conveying the air floatation gas into the air floatation plate, the opportunity of contact between bubbles and sewage particles is increased, and the air floatation effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of air flotation machines, in particular to a pressurized dissolved air flotation machine. Background Art

[0002] Pressurized dissolved air flotation machine is a kind of equipment used for water treatment, usually used in wastewater treatment plants and sewage treatment processes. This equipment is mainly used to remove suspended matter, turbidity, grease, particulate matter, heavy metal ions and other pollutants in water. Pressurized dissolved air flotation machine dissolves air or oxygen in water, and then releases gas under high pressure to form tiny bubbles. These tiny bubbles are used to combine with pollutants in the water and float up to achieve the purpose of removal. Pressurized dissolved air flotation machine usually uses a static mixer or a high-speed agitator to achieve full contact and dissolution of gas and water. Subsequently, the gas is released by reducing pressure to form tiny bubbles. These tiny bubbles will attach to suspended solid particles or pollutants during the rising process and bring them to the water surface to form scum, ultimately achieving water purification and treatment.

[0003] At present, during the use of a pressurized dissolved air flotation machine, when flotation is performed on sewage, the oil stains and impurities in the sewage cannot be quickly flotated due to the small range of microbubbles generated by the flotation device, resulting in a relatively low treatment efficiency. At the same time, during the flotation process, the rising speed of the microbubbles is relatively fast, resulting in a relatively low flotation efficiency. Therefore, a pressurized dissolved air flotation machine is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a pressurized dissolved air flotation machine.

[0005] The utility model adopts the following technical solution to solve the technical problem: a pressurized dissolved air flotation machine, comprising an air flotation machine and an air flotation pipeline, wherein the top of the air flotation machine is provided with an air flotation pipeline, both sides of the bottom end of the air flotation pipeline are provided with vertical pipes, connecting pipes are provided between the vertical pipes, supporting members are provided on both sides of the outer wall of the connecting pipe, a rotatable vertical rod is provided inside the supporting member, an air flotation plate is provided at the bottom end of the vertical rod, and a plurality of air transmission components are provided at the bottom end of the connecting pipe.

[0006] Furthermore, a control valve is provided at the connection between the connecting pipe and the vertical pipe.

[0007] Furthermore, the vertical rod is connected to the support member via a pin, and a fixing member is provided at the connection between the vertical rod and the support member on one side.

[0008] Furthermore, the outer wall of the bottom end of the air flotation plate is provided with dense micro-bubble through holes.

[0009] Furthermore, the gas delivery assembly includes a branch pipe head, which is equidistantly arranged at the bottom end of the connecting pipe. Connecting hoses are arranged on both sides of the branch pipe head, and the other end of the connecting hose is connected to the air floating plate.

[0010] Furthermore, the reserved length of the connecting hose is greater than the distance between the branch pipe head and the air flotation plate.

[0011] Furthermore, the connecting hose is a rubber hose with a steel wire inside.

[0012] The beneficial effects of the utility model are as follows: the utility model is provided with a pressurized dissolved air flotation machine:

[0013] 1. Improve flotation efficiency: Through the combined design of connecting pipes and flotation plates and other components, the flotation effect is effectively enhanced, making it easier for impurities in sewage to be adsorbed by tiny bubbles and float to the water surface, thereby improving flotation efficiency.

[0014] 2. Stabilize the flotation process: Through the arrangement of the support, the vertical rod and the flotation board, the flotation board can be unfolded and fixed on both sides on the support, thus maintaining the stability of the flotation board and ensuring the continuity and stability of the flotation effect.

[0015] 3. Optimize the gas transmission design: The gas transmission components include the branch head and connecting hose design. By reasonably delivering the flotation gas to the flotation plate, the chance of contact between bubbles and sewage particles is increased, the flotation effect is improved, and the design of the rubber hose can keep the connecting hose flexible when the flotation plate is adjusted, which is beneficial to the operation and maintenance of the equipment.

[0016] In summary, the design of this pressurized dissolved air flotation machine has significant beneficial effects in improving flotation efficiency, stabilizing the flotation process, controlling flotation work and optimizing gas transmission design, which helps to improve the equipment's processing efficiency and water purification capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the utility model.

[0018] Figure 2 yes Figure 1 Right view connection structure details.

[0019] Figure 3 yes Figure 1 Front view section connection structure details.

[0020] Figure 4 yes Figure 1 Detailed view of the connection structure from above.

[0021] Explanation of the accompanying reference numerals: 1. air flotation machine, 2. air flotation pipeline, 3. vertical pipe, 4. air flotation device, 5. connecting pipe, 6. supporting member, 7. vertical rod, 8. air flotation plate, 9. branch head, 10. connecting hose. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0023] See also Figure 1-Figure 4 It is a schematic diagram of the structure of the utility model, a pressurized dissolved air flotation machine, comprising an air flotation machine 1 and an air flotation pipeline 2. The top of the air flotation machine 1 is provided with an air flotation pipeline 2, and the air flotation pipeline 2 cooperates with a vertical pipe 3 and an air flotation device 4 to flot impurities in sewage. Vertical pipes 3 are provided on both sides of the bottom end of the air flotation pipeline 2, and the bottom end of the vertical pipe 3 is provided with an air flotation device 4.

[0024] The bottom end of the air flotation pipeline 2 is provided with vertical pipes 3 on both sides, and a connecting pipe 5 is provided between the vertical pipes 3. The connecting pipe 5 is used to connect the vertical pipes 3 on both sides, and the vertical pipe 3 can convey the gas for flotation to the inside of the connecting pipe 5. Support members 6 are provided on both sides of the outer wall of the connecting pipe 5. The support members 6 are used to support the vertical rods 7. The vertical rods 7 are connected to the support members 6 by pins. A fixing member is provided at the connection between the vertical rods 7 on one side and the support members 6. The vertical rods 7 can drive the air flotation plates 8 to expand to both sides on the support members 6 and can be fixed by the fixing members after adjustment. A rotatable vertical rod 7 is provided inside the support members 6, and an air flotation plate 8 is provided at the bottom end of the vertical rod 7. The outer wall of the bottom end of the air flotation plate 8 is provided with dense microbubble through holes. The air flotation plate 8 is used to increase the air flotation effect. At the same time, the microbubbles generated by the air flotation device 4 can be blocked to make the microbubbles rise slowly to increase the air flotation effect. A plurality of gas delivery components are provided at the bottom end of the connecting pipe 5. The gas delivery components are used to deliver flotation gas to the air flotation plates 8.

[0025] It should be noted that a control valve is provided at the connection between the connecting pipe 5 and the vertical pipe 3 , and the control valve is used to switch the connecting pipe 5 , so as to control the air flotation of the air flotation plate 8 .

[0026] Specifically, the gas delivery assembly includes a branch head 9, which is equidistantly arranged at the bottom end of the connecting pipe 5. The gas used for flotation is transported to the branch head 9 through the connecting pipe 5, and then transported to the connecting hoses 10 and the flotation plate 8 on both sides through the branch head 9. Connecting hoses 10 are arranged on both sides of the branch head 9, and the other end of the connecting hose 10 is connected to the flotation plate 8. The reserved length of the connecting hose 10 is greater than the distance between the branch head 9 and the flotation plate 8. The connecting hose 10 can be bent during the adjustment of the flotation plate 8. The connecting hose 10 uses a rubber hose with a steel wire inside.

[0027] When the utility model is in use, the sewage to be treated enters the interior of the flotation machine 1, and the gas used for flotation enters the interior of the vertical pipe 3 through the flotation pipe 2 after entering, and the impurities in the sewage are flotated by the flotation device 4 after entering, and the oil stains and impurities are floated to the surface of the sewage through the microbubbles. When it is necessary to increase the flotation effect, the microbubbles generated by the flotation device 4 are slowly raised by the obstruction of the flotation plate 8, and the flotation effect can be increased during the slow rising process. When it is necessary to increase the microbubbles used for flotation, the fixing member connecting the support member 6 and the vertical rod 7 is rotated, and the fixing work of the vertical rod 7 can be cancelled when the fixing member is rotated. After the fixing is cancelled, the vertical rod 7 is opened to both sides on the support member 6, and the fixing member is rotated in the opposite direction after opening to fix the vertical rod 7 again. After fixing, the control valve on the connecting pipe 5 is opened, and the gas in the vertical pipe 3 after opening will enter the interior of the connecting pipe 5. After entering, the gas enters the interior of the connecting hose 10 through the branch head 9, and is transported to the interior of the flotation plate 8 through the connecting hose 10. After entering, it is discharged through the microbubble through-holes on the flotation plate 8, thereby increasing the flotation area and the flotation effect.

Claims

1. A pressurized dissolved air flotation machine, comprising an air flotation machine (1) and an air flotation pipeline (2), wherein the top of the air flotation machine (1) is provided with an air flotation pipeline (2), characterized in that: Vertical pipes (3) are arranged on both sides of the bottom end of the air flotation pipeline (2), a connecting pipe (5) is arranged between the vertical pipes (3), support members (6) are arranged on both sides of the outer wall of the connecting pipe (5), a rotatable vertical rod (7) is arranged inside the support member (6), an air flotation plate (8) is arranged at the bottom end of the vertical rod (7), and a plurality of gas transmission components are arranged at the bottom end of the connecting pipe (5).

2. A pressurized dissolved air flotation machine according to claim 1, characterized in that: A control valve is provided at the connection between the connecting pipe (5) and the vertical pipe (3).

3. A pressurized dissolved air flotation machine according to claim 1, characterized in that: The vertical rod (7) is connected to the support member (6) via a pin shaft, and a fixing member is provided at the connection between the vertical rod (7) and the support member (6) on one side.

4. A pressurized dissolved air flotation machine according to claim 1, characterized in that: The outer wall of the bottom end of the air flotation plate (8) is provided with dense micro-bubble through holes.

5. A pressurized dissolved air flotation machine according to claim 1, characterized in that: The gas delivery assembly comprises a branch pipe head (9), which is equidistantly arranged at the bottom end of the connecting pipe (5), and connecting hoses (10) are arranged on both sides of the branch pipe head (9), and the other end of the connecting hose (10) is connected to the air floating plate (8).

6. A pressurized dissolved air flotation machine according to claim 5, characterized in that: The reserved length of the connecting hose (10) is greater than the distance between the branch pipe head (9) and the air floating plate (8).

7. A pressurized dissolved air flotation machine according to claim 5, characterized in that: The connecting hose (10) is a rubber hose with a steel wire inside.

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