Aeration and precipitation integrated sewage treatment device

Abstract

The utility model discloses an aeration and precipitation integrated sewage treatment device, which relates to the technical field of sewage treatment devices, and comprises a treatment tank with a hollow structure and an open end, and an aeration assembly comprises a driving shaft, a distribution pipe and an aeration head; the driving shaft is arranged in the treatment tank in parallel, the driving shaft is of a hollow structure, one end of the driving shaft is open, and an air inlet channel is formed in the driving shaft; the distribution pipes are vertically arranged on the driving shaft in a staggered manner, the aeration heads are arranged at the other ends of the distribution pipes, and the aeration heads are communicated with the driving shaft through the distribution pipes; the open end of the driving shaft penetrates through the treatment tank; an aeration device, a universal pipe joint, a driven wheel, a driving wheel, a motor and a speed reducer are arranged on one side, far away from the end cover, of the treatment tank; the reaction efficiency of the medicament and the sewage is improved, and the contact area of gas and the sewage is increased; the aeration head can be prevented from being blocked by sediments; a filtering function is realized, so that the pipeline is not easy to block.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment devices, in particular to an integrated aeration and sedimentation sewage treatment device. Background Technique

[0002] Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it; sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, and catering, and is also increasingly entering the daily lives of ordinary people;

[0003] At the present stage, the method of aeration and sedimentation is usually adopted to precipitate sewage; and the existing aeration and sedimentation sewage treatment devices generally only set a row of aeration heads at the inner bottom of the device, and these aeration heads are connected to a blower through an air pipe to realize the aeration treatment of sewage;

[0004] A patent with the application number CN201922070407.2 proposed an integrated aeration and sedimentation sewage treatment device, in which the air pipe arranged in the integrated aeration and sedimentation sewage treatment device is coiled in a U-shaped manner in the box body. Thus, the air pipe can make full use of the space in the box body, increase the area for arranging the air pipe in the box body, effectively increase the number of aeration head assemblies, and further increase the speed of aeration and sedimentation treatment of sewage. That is, through the aeration head assembly in this design, the sewage can be quickly and evenly stirred sufficiently, increasing the speed of aeration and sedimentation treatment of sewage by this device;

[0005] Although the number of aeration head assemblies is relatively large, it is in a static state, the gas-liquid contact area is still small, the reaction efficiency between the medicament and the sewage is low, and the inside of the aeration head is prone to enter sediment and easily block the aeration head, affecting the sewage treatment effect;

[0006] Moreover, this sewage treatment device does not have a filtering function. The sewage treatment device aerates the sewage to oxygenate it, and then transports it to the next pool for treatment through a pipeline. When the pipeline transports the sewage, the flocculated slag will cause blockage of the pipeline during transportation, affecting the use;

[0007] Therefore, an integrated aeration and sedimentation sewage treatment device is proposed to solve the above problems. Content of the Utility Model

[0008] The purpose of the utility model is to provide an integrated aeration and sedimentation sewage treatment device, which can improve the reaction efficiency between the medicament and the sewage, increase the gas-sewage contact area; and can avoid the blockage of the aeration head by sediment; has a filtering function, making the pipeline not easy to be blocked.

[0009] To achieve the above object, the present utility model provides the following technical solutions: An integrated aeration and sedimentation sewage treatment device, comprising a treatment tank with a hollow structure and one end being open. One side of the open end of the treatment tank is provided with an end cover through a flange, and the treatment tank is horizontally arranged. The treatment tank is provided with a water inlet pipe and a discharge port; An aeration component is arranged inside the treatment tank; The aeration component includes a drive shaft, a distribution pipe, and an aeration head; The drive shaft is arranged parallel to the inside of the treatment tank. The drive shaft has a hollow structure and one end is open. An air inlet channel is formed inside the drive shaft; The distribution pipes are vertically and staggeredly arranged on the drive shaft. The aeration heads are arranged at the other ends of the distribution pipes, and the aeration heads are communicated with the drive shaft through the distribution pipes; One open end of the drive shaft penetrates through the treatment tank; On one side of the treatment tank away from the end cover, there are an aeration device, a universal pipe joint, a driven wheel, a driving wheel, a motor, and a speed reducer; The aeration device is connected to the universal pipe joint through a pipeline. The other end of the universal pipe joint is arranged on the drive shaft. The inner wall of the driven wheel is fixedly connected to the outer wall of the drive shaft. The driven wheel is meshed with the driving wheel. The motor and the speed reducer are in transmission connection. The output shaft of the speed reducer is arranged on the driving wheel.

[0010] To filter the sewage, as a preferred embodiment of the integrated aeration and sedimentation sewage treatment device of the present utility model, a filter disc is detachably connected to the side of the end cover facing the drive shaft. A scraping plate fixedly connected to the outer wall of the drive shaft is arranged on the side of the filter disc away from the end cover, and one side of the scraping plate is attached to the filter disc. A drain pipe is arranged below the outer wall of the treatment tank, and the drain pipe is located between the filter disc and the end cover.

[0011] To facilitate flushing the filter holes on the filter disc, as a preferred embodiment of the integrated aeration and sedimentation sewage treatment device of the present utility model, a flushing pipe is arranged on the side of the end cover facing the filter disc, and the water outlet of the flushing pipe faces the filter disc.

[0012] To facilitate discharging the slag filtered inside the treatment tank, as a preferred embodiment of the integrated aeration and sedimentation sewage treatment device of the present utility model, a sewage discharge pipe is arranged at one end of the lower part of the outer wall of the treatment tank away from the drain pipe.

[0013] To adjust the angle of the treatment tank and facilitate quickly cleaning the slag inside the treatment tank, as a preferred embodiment of the integrated aeration and sedimentation sewage treatment device of the present utility model, a base, legs symmetrically arranged on both sides of the top of the base in the front and back, and a lifting device are arranged at the bottom of the treatment tank. The upper ends of the legs and the output ends of the lifting device are both arranged on the treatment tank.

[0014] To visually check the internal situation of the treatment tank, as a preferred embodiment of the integrated aeration and sedimentation sewage treatment device of the present utility model, a viewing window is arranged on the treatment tank.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. In the present utility model, by starting the aeration device and the motor, the drive shaft drives the distribution pipe and the aeration head to rotate synchronously. The rotation of the distribution pipe is conducive to stirring the sewage and the treatment agent, improving the reaction efficiency between the agent and the sewage; the rotating aeration can enhance the aeration dispersion effect and increase the contact area between the gas and the sewage; and it can prevent the sediment from blocking the aeration head.

[0017] 2. In the present utility model, the filter disc is easy to filter the flocculated slag in the sewage, preventing the flocculated slag from entering the drain pipe together and avoiding blockage of the drain pipe; and when the drive shaft rotates, it synchronously drives the scraper to rotate, which is conducive to the automatic cleaning of the slag on the filter disc by the scraper. Water sprays out from the outlet of the flushing pipe, which is conducive to flushing the slag in the filter holes, enabling the filter disc to achieve the function of efficient cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is Figure 1 the schematic structural diagram in the A-A direction of

[0020] Figure 3 is Figure 1 the schematic structural diagram in the B-B direction of

[0021] In the figure: 1, treatment tank; 2, end cover; 3, water inlet pipe; 4, discharge port; 5, drive shaft; 6, distribution pipe; 7, aeration head; 8, air inlet channel; 9, aeration device; 10, universal pipe joint; 11, driven wheel; 12, driving wheel; 13, motor; 14, reducer; 15, filter disc; 16, scraper; 17, drain pipe; 18, flushing pipe; 19, sewage discharge pipe; 20, base; 21, support leg; 22, lifting device; 23, viewing window. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figures 1 to 3, An integrated aeration and sedimentation sewage treatment device, including a treatment tank 1 with a hollow structure and one end being open. One side of the open end of the treatment tank 1 is provided with an end cover 2 through a flange, and the treatment tank 1 is horizontally arranged. A water inlet pipe 3 and a discharge port 4 are arranged on the treatment tank 1; an aeration component is arranged inside the treatment tank 1; the aeration component includes a drive shaft 5, a distribution pipe 6, and an aeration head 7; the drive shaft 5 is arranged parallel to the inside of the treatment tank 1, the drive shaft 5 has a hollow structure and one end is open, and an air inlet channel 8 is formed inside the drive shaft 5; the distribution pipes 6 are vertically and staggeredly arranged on the drive shaft 5, the aeration heads 7 are arranged at the other ends of the distribution pipes 6, and the aeration heads 7 are communicated with the drive shaft 5 through the distribution pipes 6; the open end of the drive shaft 5 penetrates through the treatment tank 1; on the side of the treatment tank 1 away from the end cover 2, an aeration device 9, a universal pipe joint 10, a driven wheel 11, a driving wheel 12, a motor 13, and a speed reducer 14 are arranged; the aeration device 9 is connected to the universal pipe joint 10 through a pipeline, the other end of the universal pipe joint 10 is arranged on the drive shaft 5, the inner wall of the driven wheel 11 is fixedly connected to the outer wall of the drive shaft 5, the driven wheel 11 is meshed with the driving wheel 12, the motor 13 and the speed reducer 14 are in transmission connection, and the output shaft of the speed reducer 14 is arranged on the driving wheel 12.

[0023] In this embodiment: Sewage is transported into the treatment tank 1 through the water inlet pipe 3, and the treatment agent is transported into the treatment tank 1 through the discharge port 4; start the aeration device 9 to fill oxygen into the sewage in the treatment tank 1, and the oxygen flows out from the aeration head 7, which is easy to oxidize and decompose the organic matter in the sewage; and start the motor 13, the speed reducer 14 drives the driving wheel 12 to rotate, so that the driving wheel 12 and the driven wheel 11 are meshed, enabling the drive shaft 5 to achieve the function of rotation, and the distribution pipes 6 rotate synchronously, which is easy to stir the sewage and the treatment agent, improving the reaction efficiency of the agent and the sewage; the aeration heads 7 rotate synchronously, which can improve the aeration dispersion effect, increase the contact area between the gas and the sewage. At the same time, it can wash the treatment tank 1; and when the aeration heads 7 rotate, it can prevent the sediment from blocking the aeration heads 7.

[0024] As a technical optimization scheme of the present utility model, a filter disc 15 is detachably connected to the side of the end cover 2 facing the drive shaft 5. A scraping plate 16 fixedly connected to the outer wall of the drive shaft 5 is arranged on the side of the filter disc 15 away from the end cover 2, and one side of the scraping plate 16 is in contact with the filter disc 15. A drain pipe 17 is arranged below the outer wall of the treatment tank 1, and the drain pipe 17 is located between the filter disc 15 and the end cover 2.

[0025] In this embodiment: Open the drain pipe 17. Before the water inside the treatment tank 1 is discharged from the drain pipe 17, it first passes through the filter disc 15. The filter disc 15 is easy to filter the flocculated slag in the sewage, preventing the flocculated slag from entering the drain pipe 17 together and not causing blockage to the drain pipe 17; and when the drive shaft 5 rotates, it drives the scraping plate 16 to rotate synchronously, which is easy for the scraping plate 16 to automatically clean the slag on the filter disc 15, so that the filter disc 15 does not need to be disassembled and cleaned.

[0026] As a technical optimization solution of the present utility model, a flushing pipe 18 is provided on one side of the end cover 2 facing the filter disc 15, and the water outlet of the flushing pipe 18 faces the filter disc 15.

[0027] In this embodiment: A water supply pipe communicating with the flushing pipe 18 is provided on the end cover 2, and the other end of the water supply pipe is communicated with a water source pipe. When the water supply pipe is opened, water is supplied to the flushing pipe 18, and water sprays out from the water outlet of the flushing pipe 18, which is easy to flush the filter disc 15, easy to flush out the slag blocking the filter holes, easy to automatically and efficiently clean the filter disc 15, and enhance the quality of the filtration process of the filter disc 15.

[0028] As a technical optimization solution of the present utility model, a sewage discharge pipe 19 is provided at one end of the lower part of the outer wall of the treatment tank 1 away from the drain pipe 17.

[0029] In this embodiment: When the sewage discharge pipe 19 is opened, it is easy to clean the slag filtered inside the treatment tank 1.

[0030] As a technical optimization solution of the present utility model, a base 20, support legs 21 symmetrically arranged front and back on both sides of the top of the base 20, and a lifting device 22 are provided at the bottom of the treatment tank 1, and the upper ends of the support legs 21 and the output ends of the lifting device 22 are both provided on the treatment tank 1.

[0031] In this embodiment: When the lifting device 22 is started, the inclination of the treatment tank 1 can be adjusted, and one end of the sewage discharge pipe 19 is lowered, which is easy to quickly discharge the slag filtered inside the treatment tank 1 out of the treatment tank 1;

[0032] The support legs 21 and the bottom of the lifting device 22 are fixedly connected and movably connected to the base 20 respectively, and the upper ends of the support legs 21 and the output ends of the lifting device 22 are movably connected to the treatment tank 1. The lifting device 22 is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

[0033] As a technical optimization solution of the present utility model, a viewing window 23 is provided on the treatment tank 1.

[0034] In this embodiment: The viewing window 23 is easy to directly view the sewage treatment situation inside the treatment tank 1.

[0035] Working principle: First, the sewage is transported into the treatment tank 1 through the water inlet pipe 3, and the treatment agent is transported into the treatment tank 1 through the discharging port 4. Start the aeration device 9 and the starting motor 13. The drive shaft 5 drives the distribution pipe 6 and the aeration head 7 to rotate synchronously. The rotation of the distribution pipe 6 is conducive to stirring the sewage and the treatment agent, improving the reaction efficiency of the agent and the sewage; the aeration rotation can enhance the aeration dispersion effect and increase the contact area between the gas and the sewage; and it can prevent the sediment from blocking the aeration head 7. Open the drain pipe 17. The water inside the treatment tank 1 first passes through the filter disc 15. The filter disc 15 is conducive to filtering the flocculated slag in the sewage, preventing the flocculated slag from entering the drain pipe 17 together and not causing blockage to the drain pipe 17. Moreover, when the drive shaft 5 rotates, it synchronously drives the scraper 16 to rotate, which is conducive to the automatic cleaning of the slag on the filter disc 15 by the scraper 16. Water sprays out from the water outlet of the flushing pipe 18, which is conducive to flushing the filter disc 15 and flushing out the slag blocked in the cleaning filter holes, and is conducive to the automatic and efficient cleaning of the filter disc 15.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An aeration and sedimentation integrated sewage treatment device, comprising a treatment tank (1) with a hollow structure and an open end, an end cover (2) is provided on the open side of the treatment tank (1) through a flange, and the treatment tank (1) is arranged horizontally, and a water inlet pipe (3) and a discharge port (4) are provided on the treatment tank (1); an aeration component is provided in the treatment tank (1); and the characteristics are: The aeration assembly comprises a drive shaft (5), a distribution pipe (6), and an aeration head (7); the drive shaft (5) is arranged in parallel in the treatment tank (1); the drive shaft (5) is of a hollow structure and one end is open; an air inlet channel (8) is formed inside the drive shaft (5); the distribution pipe (6) is arranged vertically and staggered on the drive shaft (5); the aeration head (7) is arranged at the other end of the distribution pipe (6), and the aeration head (7) is connected to the drive shaft (5) through the distribution pipe (6); the open end of the drive shaft (5) passes through the treatment tank (1); the treatment tank (1) is away from the end cover (2) A gas explosion device (9), a universal pipe joint (10), a driven wheel (11), a driving wheel (12), a motor (13), and a reducer (14) are arranged on one side; the gas explosion device (9) is connected to the universal pipe joint (10) through a pipeline, the other end of the universal pipe joint (10) is arranged on the driving shaft (5), the inner wall of the driven wheel (11) is fixedly connected to the outer wall of the driving shaft (5), the driven wheel (11) is meshed with the driving wheel (12), the motor (13) and the reducer (14) are transmission-connected, and the output shaft of the reducer (14) is arranged on the driving wheel (12).

2. The aeration and sedimentation integrated sewage treatment device according to claim 1, characterized in that: A filter plate (15) is detachably connected to the side of the end cover (2) facing the drive shaft (5); a scraper (16) fixedly connected to the outer wall of the drive shaft (5) is provided on the side of the filter plate (15) away from the end cover (2); one side of the scraper (16) is in contact with the filter plate (15); a drain pipe (17) is provided below the outer wall of the treatment tank (1); and the drain pipe (17) is located between the filter plate (15) and the end cover (2).

3. The aeration and sedimentation integrated sewage treatment device according to claim 1, characterized in that: A flushing pipe (18) is provided on the side of the end cover (2) facing the filter disc (15), and a water outlet of the flushing pipe (18) faces the filter disc (15).

4. The aeration and sedimentation integrated sewage treatment device according to claim 1, characterized in that: A sewage pipe (19) is provided at one end of the lower portion of the outer wall of the treatment tank (1) away from the drainage pipe (17).

5. The aeration and sedimentation integrated sewage treatment device according to claim 1, characterized in that: The bottom of the processing tank (1) is provided with a base (20), supporting legs (21) and a lifting device (22) which are arranged on both sides of the top of the base (20) and are symmetrical in front and back, and the upper ends of the supporting legs (21) and the output end of the lifting device (22) are both arranged on the processing tank (1).

6. The aeration and sedimentation integrated sewage treatment device according to claim 1, characterized in that: The processing tank (1) is provided with a visual window (23).

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