Accurate aeration device for multi-column parallel biochemical pools of sewage plant

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to an accurate aeration device of a multi-column parallel biochemical pool of a sewage plant, which ensures the aeration effect, realizes the optimal dissolved oxygen control quantity of the biological pool, achieves the efficient and energy-saving functions, is convenient to clean and maintain, and improves the working efficiency. Comprising a biochemical pool, an aeration pipe is mounted in the biochemical pool through a moving assembly, the moving assembly comprises two fixing seats, two protection boxes, two driving motors, two transmissions, two bevel gears, two threaded sleeves, two threaded rods, two connecting blocks and a mounting frame, and an aeration assembly is mounted at the left end of the top of the biochemical pool; the output end of the aeration assembly is connected with an aeration pipe, a plurality of aeration heads are uniformly connected to the aeration pipe, anti-blocking assemblies are mounted in the aeration heads, and an intelligent assembly is mounted in the biochemical pool.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to a precise aeration device for multiple parallel biochemical ponds in a sewage treatment plant. Background Technique

[0002] With the continuous development of modern civilization, the population gradually gathers in cities, inevitably generating a large amount of biochemical sewage. The biochemical sewage must be treated before it can be discharged, otherwise it will cause great harm to the natural environment. One treatment step for biochemical sewage is to aerate it sufficiently. In biochemical treatment, gas is injected into the biochemical pond through an aerator to promote the biodegradation reaction of microorganisms in the sewage and simultaneously achieve the function of stirring and mixing. A special tubular aerator for sewage treatment with stable installation proposed in the prior art publication number CN215480068U includes a pipe body. Connecting pipes are connected to both sides of the pipe body. An aeration rubber pipe is connected to the end of the connecting pipe. A bracket is arranged at the bottom end of one end of the aeration rubber pipe. A clamp is arranged at the top end of one end of the aeration rubber pipe. Both ends of the clamp are stuck on both sides of the bracket. Anti-detachment tooth grooves are formed on the bottom surfaces of both ends of the clamp. However, the aerator is arranged at the bottom of the pond, which is not convenient for cleaning and maintenance, and the working efficiency is low. When the aerator is not in use, dust, impurities, etc. contained in the sewage inside the sewage pond will stay, adhere to, and block the holes of the aeration heads on the aerator, and over time, the aeration effect of the aeration heads will be damaged. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a precise aeration device for multiple parallel biochemical ponds in a sewage treatment plant, which can ensure the aeration effect, achieve the optimal dissolved oxygen control amount in the biological pond, achieve the functions of high efficiency and energy saving, be convenient for cleaning and maintenance, and improve the working efficiency.

[0004] A precise aeration device for multiple parallel biochemical ponds in a sewage treatment plant of the utility model includes a biochemical pond. An aeration pipe is installed inside the biochemical pond through a moving component. An aeration component is installed at the left end of the top of the biochemical pond. The output end of the aeration component is connected to the aeration pipe. A plurality of aeration heads are evenly connected to the aeration pipe. An anti-blocking component is installed inside the aeration head. An intelligent component is installed inside the biochemical pond. Gas is input into the aeration pipe through the aeration component and output into the biochemical pond through the aeration head to aerate the sewage. The intelligent component precisely distributes the aeration volume of multiple parallel aeration ponds to achieve the optimal dissolved oxygen control amount in the biological pond and achieve the functions of high efficiency and energy saving. The anti-blocking component can prevent the aeration heads from being blocked and ensure the aeration effect. The moving component is convenient for driving the aeration pipe and the aeration heads to move out at the bottom of the biochemical pond, which is convenient for cleaning and maintenance and improves the working efficiency.

[0005] Preferably, the moving component includes two fixed seats, two protective boxes, two driving motors, two speed reducers, two bevel gears, two threaded sleeves, two threaded rods, two connecting blocks and a mounting frame. The two fixed seats are fixedly installed at the front and rear ends of the top of the biochemical pool. A protective box is fixedly installed on the top of the fixed seat. The driving motor and the speed reducer are installed inside the protective box. The output end of the driving motor is connected to the input end of the speed reducer. The output end of the speed reducer is equipped with a bevel gear. A threaded sleeve is rotatably installed at one end of the two fixed seats close to each other. The upper end of the outer wall of the threaded sleeve is provided with a toothed ring. The toothed ring meshes with the bevel gear. A threaded rod is screwed in the middle of the threaded sleeve. The bottom of the threaded rod is equipped with a connecting block. The connecting block is connected to the side walls of the front and rear ends of the mounting frame. The aeration pipe is installed in the middle of the mounting frame. When the driving motor is started, the bevel gear is driven to rotate through the speed reducer. The bevel gear drives the threaded sleeve to rotate through the toothed ring. The threaded sleeve drives the threaded rod to move upward. The threaded rod drives the mounting frame to move upward through the connecting block, moving the aeration pipe and the aeration head out of the bottom of the biochemical pool, facilitating their cleaning and maintenance and improving work efficiency.

[0006] Preferably, extension plates are fixedly installed at the left and right ends of the inner walls of the front and rear ends of the biochemical pool. A guide rod is slidably installed on the extension plate. The lower end of the guide rod is fixedly connected to the outer wall of the mounting frame. When the mounting frame moves, it drives the guide rod to slide on the extension plate, providing limit support for it and improving the stability during movement.

[0007] Preferably, the aeration component includes a frequency conversion energy-saving fan, a gas cylinder, a connecting hose, a gas distribution box and a fixing plate. The fixing plate is fixedly installed on the upper part of the left side wall of the biochemical pool. The frequency conversion energy-saving fan and the gas cylinder are installed on the top of the fixing plate. The output end of the frequency conversion energy-saving fan is connected to the input end of the gas cylinder, and a one-way valve is provided at the input end of the gas cylinder. The output end of the gas cylinder is connected to a connecting hose. The gas distribution box is fixedly installed on the left side wall of the mounting frame. The left end of the aeration pipe is communicated with the inside of the gas distribution box. The output end of the connecting hose is communicated with the inside of the gas distribution box. When the frequency conversion energy-saving fan is started, gas is input into the gas cylinder, and the gas is output into the connecting hose through the gas cylinder. The gas is input into the gas distribution box and evenly input into the aeration pipe for aeration, and the gas is stably output through the gas cylinder.

[0008] Preferably, the anti-blocking component includes a frequency conversion controller, a spring, a push plate, a plurality of push rods and a plurality of cleaning brush heads. The frequency conversion controller is located on the top of the aeration head. A plurality of aeration holes are opened on the frequency conversion controller. A pushing ring groove is opened at the lower part of the aeration head. The spring is located in the pushing chute. The top of the spring is fixedly connected to the push plate. A plurality of push rods are evenly installed on the top of the push plate. A plurality of cleaning brush heads matching the aeration holes are installed at the top of the push rods. The diameter of the push rod is smaller than that of the cleaning brush head. When not in use, the spring pulls the push plate, and at the same time the push rod drives the cleaning brush head into the aeration hole to protect the aeration hole. During aeration, the gas pushes the push plate upward, causing the push rod to push the cleaning brush head out of the aeration hole to aerate the inside of the biochemical pool.

[0009] Preferably, the intelligent component includes an electric valve, a thermal gas flowmeter, an on-line dissolved oxygen meter, a nitrate nitrogen meter and a variable frequency controller. The electric valve is installed at the output end of the gas cylinder, the thermal gas flowmeter is installed at the output end of the connecting hose, the on-line dissolved oxygen meter and the nitrate nitrogen meter are installed on the inner wall of the biochemical tank, and the variable frequency controller is installed at the bottom of the fixing plate. The on-line dissolved oxygen meter and the nitrate nitrogen meter calculate the optimal oxygen demand value of the activated sludge in the biochemical tank according to parameters such as the influent water volume, influent water quality, concentration of organic solid substances, and sludge retention time of the biological tank. Combining with operation experience, the set value of dissolved oxygen in different seasons is input, and the required total air volume is determined. The output aeration volume is controlled by the electric valve, and at the same time, the gas flow is detected by the thermal gas flowmeter to realize the optimal dissolved oxygen control amount in the biological tank and achieve the function of high efficiency and energy saving.

[0010] Preferably, a support diagonal rod is connected between the left end of the bottom of the fixing plate and the left side wall of the biochemical tank. The bottom of the fixing plate is supported by the support diagonal rod to improve the stability during use.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: Gas is input into the aeration pipe through the aeration component and output into the biochemical tank through the aeration head to aerate the sewage. The intelligent component accurately distributes the aeration volume of multiple parallel aeration tanks in the biological tank to realize the optimal dissolved oxygen control amount in the biological tank and achieve the function of high efficiency and energy saving. The anti-blocking component can prevent the aeration head from being blocked and ensure the aeration effect. The moving component facilitates driving the aeration pipe and the aeration head to move out at the bottom of the biochemical tank, which is convenient for cleaning and maintenance and improves work efficiency. Description of the Drawings

[0012] Figure 1 is the structural schematic diagram of the present utility model;

[0013] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0014] Figure 3 is the top view structural schematic diagram of the present utility model;

[0015] Figure 4 is the front view sectional structural schematic diagram of the present utility model;

[0016] Figure 5 is the right view sectional structural schematic diagram of the present utility model;

[0017] Reference numerals in the drawings: 1, biochemical tank; 2, fixed seat; 3, protective box; 4, drive motor; 5, transmission; 6, bevel gear; 7, threaded sleeve; 8, bevel gear ring; 9, threaded rod; 10, connecting block; 11, mounting frame; 12, variable-frequency energy-saving fan; 13, gas cylinder; 14, connecting hose; 15, air distribution box; 16, aeration pipe; 17, aeration head; 18, electric valve; 19, thermal gas flowmeter; 20, on-line dissolved oxygen meter; 21, nitrate nitrogen meter; 22, variable-frequency controller; 23, spring; 24, push plate; 25, push rod; 26, cleaning brush head; 27, extension plate; 28, guide rod; 29, fixed plate; 30, support diagonal rod. Detailed implementation mode

[0018] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention is more thorough and comprehensive.

[0019] Embodiment 1

[0020] Such as Figure 1 , Figure 2 , Figure 3 And Figure 5As shown in the figure, two fixed seats 2 are fixedly installed at the front and rear ends of the top of the biochemical pool 1. A protective box 3 is fixedly installed on the top of the fixed seat 2. A driving motor 4 and a transmission 5 are installed inside the protective box 3. The output end of the driving motor 4 is connected to the input end of the transmission 5. A bevel gear 6 is installed at the output end of the transmission 5. A threaded sleeve 7 is rotatably installed at one end of the two fixed seats 2 close to each other. A threaded sleeve 7 is provided at the upper end of the outer wall of the threaded sleeve 7. The bevel gear ring 8 meshes with the bevel gear 6. A threaded rod 9 is screwed in the middle of the threaded sleeve 7. A connecting block 10 is installed at the bottom of the threaded rod 9. The connecting block 10 is connected to the front and rear end side walls of the installation frame 11. An air diffuser pipe 16 is installed in the middle of the installation frame 11. A plurality of aeration heads 17 are evenly connected to the air diffuser pipe 16. Extension plates 27 are fixedly installed at the left and right ends of the inner walls of the front and rear ends of the biochemical pool 1. A guide rod 28 is slidably installed on the extension plate 27. The lower end of the guide rod 28 is fixedly connected to the outer wall of the installation frame 11. A fixing plate 29 is fixedly installed on the upper part of the left side wall of the biochemical pool 1. A frequency conversion energy-saving fan 12 and a gas cylinder 13 are installed on the top of the fixing plate 29. The output end of the frequency conversion energy-saving fan 12 is connected to the input end of the gas cylinder 13. And a one-way valve is provided at the input end of the gas cylinder 13. The output end of the gas cylinder 13 is connected to a connecting hose 14. A gas distribution box 15 is fixedly installed on the left side wall of the installation frame 11. The left end of the air diffuser pipe 16 communicates with the inside of the gas distribution box 15. The output end of the connecting hose 14 communicates with the inside of the gas distribution box 15. An electric valve 18 is installed at the output end of the gas cylinder 13. A thermal gas flowmeter 19 is installed at the output end of the connecting hose 14. An on-line dissolved oxygen meter 20 and a nitrate nitrogen meter 21 are installed on the inner wall of the biochemical pool 1. A frequency conversion controller 22 is installed at the bottom of the fixing plate 29. A support diagonal rod 30 is connected between the left end of the bottom of the fixing plate 29 and the left side wall of the biochemical pool 1;

[0021] The optimal oxygen demand of the activated sludge in the biological pool is calculated by the online dissolved oxygen meter 20 and the nitric nitrogen meter 21 according to the parameters such as the influent water volume, influent water quality, organic solid matter concentration, sludge age, etc. of the biological pool. Combined with the operation experience, the dissolved oxygen set value of different seasons is input, and the required total air volume is determined. The output aeration volume is controlled by the electric valve 18, and the thermal gas flow meter 19 detects the gas flow to realize the optimal dissolved oxygen control volume of the biological pool and achieve high efficiency and energy saving function. The variable frequency energy-saving fan 12 is started to input gas into the gas cylinder 13, and the gas is output to the connecting hose 14 through the gas cylinder 13. The gas is input into the air distribution box 15 and evenly input into the aeration pipe. 16, aeration is performed, gas is stably output through the gas cylinder 13, the bottom of the fixed plate 29 is supported by the supporting inclined rod 30 to improve stability during use, the driving motor 4 is started to drive the bevel gear 6 to rotate through the transmission 5, the bevel gear 6 drives the threaded sleeve 7 to rotate through the bevel gear ring 8, the threaded sleeve 7 drives the threaded rod 9 to move upward, the threaded rod 9 drives the installation frame 11 to move upward through the connecting block 10, and the aeration pipe 16 and the aeration head 17 are moved out at the bottom of the biochemical pool 1, so as to facilitate cleaning and maintenance thereof and improve work efficiency. When the installation frame 11 moves, it drives the guide rod 28 to slide on the extension plate 27 to provide limit support therefor and improve stability during movement.

[0022] Example 2

[0023] like Figure 4 As shown, on the basis of Example 1, a frequency conversion controller 22 is further included, which is located at the top of the aeration head 17, and a plurality of aeration holes are opened on the frequency conversion controller 22, and a push ring groove is opened at the lower part of the aeration head 17, and a spring 23 is located in the push slide groove, and a push plate 24 is fixedly connected to the top of the spring 23, and a plurality of push rods 25 are evenly installed on the top of the push plate 24, and a plurality of cleaning brush heads 26 matching the aeration holes are installed on the top of the push rods 25, and the diameter of the push rods 25 is smaller than that of the cleaning brush heads 26;

[0024] When not in use, the spring 23 pulls the push plate 24, and the push rod 25 drives the cleaning brush head 26 to enter the aeration hole to protect the aeration hole. During aeration, the gas pushes the push plate 24 upward, so that the push rod 25 pushes the cleaning brush head 26 out of the aeration hole to aerate the biochemical pool 1.

[0025] like Figures 1 to 5As shown in the figure, a precise aeration device for a multi-column parallel biochemical pool in a sewage treatment plant of the present utility model, when working, calculates the optimal oxygen demand value of the activated sludge in the biochemical pool through an on-line dissolved oxygen meter 20 and a nitrate nitrogen meter 21 according to parameters such as the influent water volume, influent water quality, concentration of organic solid substances, and sludge retention time of the biological pool. Combining with operation experience, input the dissolved oxygen set values in different seasons, verify the total air volume required, start the variable frequency energy-saving fan 12 to input gas into the gas cylinder 13, output the gas from the gas cylinder 13 into the connecting hose 14, and the gas is input into the air distribution box 15 and evenly input into the aeration pipe 16 for aeration. The output aeration volume is controlled by the electric valve 18, and at the same time, the thermal gas flowmeter 19 detects the gas flow rate to achieve the optimal dissolved oxygen control amount in the biological pool. When not in use, the spring 23 pulls the push plate 24, and at the same time, the push rod 25 drives the cleaning brush head 26 into the aeration holes to protect the aeration holes. Start the drive motor 4 to drive the bevel gear 6 to rotate through the transmission 5. The bevel gear 6 drives the threaded sleeve 7 to rotate through the bevel gear ring 8. The threaded sleeve 7 drives the threaded rod 9 to move upward. The threaded rod 9 drives the installation frame 11 to move upward through the connecting block 10, and moves the aeration pipe 16 and the aeration head 17 out of the bottom of the biochemical pool 1 for cleaning and maintenance.

[0026] The drive motor 4, transmission 5, variable frequency energy-saving fan 12, gas cylinder 13, electric valve 18, thermal gas flowmeter 19, on-line dissolved oxygen meter 20, nitrate nitrogen meter 21 and variable frequency controller 22 of the precise aeration device for a multi-column parallel biochemical pool in a sewage treatment plant of the present utility model are purchased on the market. Technical personnel in this industry only need to install and operate according to the attached operation manuals, without the need for creative labor from technical personnel in this field.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for ordinary technical personnel in the technical field of the present utility model, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A precise aeration device for multiple parallel biochemical ponds in a sewage treatment plant, characterized in that, It includes a biochemical tank (1). An aeration pipe (16) is installed inside the biochemical tank (1) through a moving component. An aeration component is installed at the left end of the top of the biochemical tank (1). The output end of the aeration component is connected to the aeration pipe (16). A plurality of aeration heads (17) are evenly connected to the aeration pipe (16). An anti-blocking component is installed inside the aeration head (17). An intelligent component is installed inside the biochemical tank (1). The moving component includes two fixed seats (2), two protective boxes (3), two drive motors (4), two speed reducers (5), two bevel gears (6), two threaded sleeves (7), two threaded rods (9), two connecting blocks (10) and an installation frame (11). The two fixed seats (2) are fixedly installed at the front and rear ends of the top of the biochemical tank (1). A protective box (3) is fixedly installed on the top of the fixed seat (2). The drive motor (4) and the speed reducer (5) are installed inside the protective box (3). The output end of the drive motor (4) is connected to the input end of the speed reducer (5). A bevel gear (6) is installed at the output end of the speed reducer (5). A threaded sleeve (7) is rotatably installed at one end of the two fixed seats (2) close to each other. A threaded sleeve (7) is provided on the upper end of the outer wall of the threaded sleeve (7). The bevel gear ring (8) meshes with the bevel gear (6). A threaded rod (9) is screwed in the middle of the threaded sleeve (7). The bottom of the threaded rod (9) is installed with a connecting block (10). The connecting block (10) is connected to the side walls of the front and rear ends of the installation frame (11). The aeration pipe (16) is installed in the middle of the installation frame (11). The aeration component includes a frequency conversion energy-saving fan (12), a gas cylinder (13), a connecting hose (14), a gas distribution box (15) and a fixing plate (29). The fixing plate (29) is fixedly installed on the upper part of the left side wall of the biochemical tank (1). The frequency conversion energy-saving fan (12) and the gas cylinder (13) are installed on the top of the fixing plate (29). The output end of the frequency conversion energy-saving fan (12) is connected to the input end of the gas cylinder (13), and a one-way valve is provided at the input end of the gas cylinder (13). The output end of the gas cylinder (13) is connected with a connecting hose (14). The gas distribution box (15) is fixedly installed on the left side wall of the installation frame (11). The left end of the aeration pipe (16) is communicated with the inside of the gas distribution box (15). The output end of the connecting hose (14) is communicated with the inside of the gas distribution box (15). The intelligent component includes an electric valve (18), a thermal gas flowmeter (19), an on-line dissolved oxygen meter (20), a nitrate nitrogen meter (21) and a frequency conversion controller (22). The electric valve (18) is installed at the output end of the gas cylinder (13). The thermal gas flowmeter (19) is installed at the output end of the connecting hose (14). The on-line dissolved oxygen meter (20) and the nitrate nitrogen meter (21) are installed on the inner wall of the biochemical tank (1). The frequency conversion controller (22) is installed at the bottom of the fixing plate (29).

2. The precise aeration device for a multi-column parallel biochemical pool in a sewage treatment plant according to claim 1, characterized in that, Extension plates (27) are fixedly installed at the left and right ends of the inner walls of the front and rear ends of the biochemical tank (1). A guide rod (28) is slidably installed on the extension plate (27). The lower end of the guide rod (28) is fixedly connected to the outer wall of the installation frame (11).

3. The precise aeration device for a multi-column parallel biochemical pool in a sewage treatment plant according to claim 1, wherein, The anti-blocking component includes a variable-frequency controller (22), a spring (23), a push plate (24), a plurality of push rods (25) and a plurality of cleaning brush heads (26). The variable-frequency controller (22) is located at the top of the aeration head (17). A plurality of aeration holes are provided in the variable-frequency controller (22). A pushing ring groove is provided in the lower part of the aeration head (17). The spring (23) is located in the pushing chute. The top of the spring (23) is fixedly connected to the push plate (24). A plurality of push rods (25) are evenly installed on the top of the push plate (24). A plurality of cleaning brush heads (26) matching the aeration holes are installed on the top of the push rods (25). The diameter of the push rod (25) is smaller than that of the cleaning brush head (26).

4. The precise aeration device for a multi-column parallel biochemical pool in a sewage treatment plant according to claim 1, wherein, A support inclined rod (30) is connected between the left end of the bottom of the fixed plate (29) and the left side wall of the biochemical tank (1).

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