A precise aeration system and method for sewage treatment

Abstract

The present invention discloses a precise aeration system and method for sewage treatment, including an aeration pipe, a first telescopic pipe is arranged above the aeration pipe, a floating block is arranged above the first telescopic pipe, a connecting pipe is arranged inside the first telescopic pipe, a control component is arranged on the first telescopic pipe, an aeration port is arranged on the aeration pipe, a pushing component for driving the aeration pipe to move in the direction close to the floating block is arranged on one side of the aeration pipe, and an energy storage component is arranged inside the aeration pipe. In the present invention, the counterweight block and the lower pressure block suddenly drop, the air stored inside the aeration pipe is suddenly pushed forward, the blocking plate is pushed forward (pushed in the direction close to the support rod), at this time, the hole between the aeration port and the aeration pipe is opened, and the blocking plate is pushed forward to push the hydraulic oil into the sleeve, and the aeration pipe is driven to move forward as a whole (towards the connecting pipe direction) for a distance through the pushing component, and the gas inside the aeration pipe is also discharged through the aeration port to achieve aeration.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of sewage treatment, and in particular to a sewage treatment precise aeration system and method thereof. Background Art

[0002] Existing sewage treatment methods include aeration. Existing aeration is usually at the bottom of a sewage pool. The sewage is aerated from the bottom of the sewage pool through bottom aeration equipment. However, the existing bottom aeration equipment is usually fixed at the bottom of the pool and cannot be moved. In this way, the aeration equipment can only aerate the sewage in one place, and the aeration is highly limited and the aeration effect is poor. Summary of the invention

[0003] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technologies. It mainly provides a precise aeration system and method for sewage treatment, which is used to solve the technical problems mentioned in the above background technology that the existing sewage aeration equipment at the bottom of the pool cannot be moved, the aeration range is relatively limited, and the aeration effect is poor.

[0004] The technical solution adopted by the present invention to solve the above technical problems is:

[0005] In a first aspect of the present invention, a precise aeration system for sewage treatment is provided, comprising an aeration pipe, a first telescopic pipe is arranged above the aeration pipe, a floating block is arranged above the first telescopic pipe, a connecting pipe for injecting gas into the aeration pipe is arranged inside the first telescopic pipe, a control component for driving the first telescopic pipe to perform telescopic adjustment is arranged on the first telescopic pipe, an aeration port is arranged on the aeration pipe, a pushing component for driving the aeration pipe to move toward the floating block is arranged on one side of the aeration pipe, and an energy storage component for instantly squeezing and pushing away the gas inside the aeration pipe is arranged inside the aeration pipe.

[0006] Preferably, the energy storage assembly includes a motor, which is arranged above the floating block, and a rotating shaft is fixedly installed at the output end of the motor, and the rotating shaft is rotatably connected above the floating block. A tensioning rope is wound around the rotating shaft, and a counterweight block is fixedly installed at one end of the tensioning rope, and a downward pressure block is fixedly installed below the counterweight block, and the downward pressure block is slidably connected to the inside of the first telescopic tube, and limiting blocks are respectively arranged above and below the inside of the first telescopic tube, and a control button is arranged on the limiting blocks.

[0007] Preferably, a first valve is provided at one end of the connecting pipe, an air filling pipe is provided below the first valve, and an air outlet end of the air filling pipe is located inside the aeration pipe.

[0008] Preferably, a blocking plate is provided inside the aeration tube, the blocking plate blocks the passage between the aeration tube and the aeration port, pushing plates are provided on both sides of the blocking plate, and hydraulic oil is provided in the inner cavity of the aeration tube.

[0009] Preferably, the pushing assembly comprises a support rod, the support rod is fixedly mounted on the outside of the aeration tube, a sleeve is fixedly mounted on the support rod, a rotating rod is rotatably connected inside the sleeve, and an inner cavity of the rotating rod is connected to an inner cavity of the aeration tube through a connecting pipe.

[0010] Preferably, a reciprocating screw rod is arranged inside the rotating rod, a limiting rod is fixedly mounted on the supporting rod, the limiting rod is plugged into one end of the reciprocating screw rod, and a first spring is sleeved on the limiting rod.

[0011] Preferably, the control component includes a telescopic hose, which is fixedly installed below the aeration pipe, a partition plate is fixedly installed in the inner cavity of the telescopic hose, hydraulic oil is arranged above the partition plate in the inner cavity of the telescopic hose, a second lifting block is slidably connected above the inner cavity of the telescopic hose, a second spring is arranged between the second lifting block and the telescopic hose, a first tensioning rope is fixedly installed above the lifting block, a valve stem is arranged on one side of the first valve, the first tensioning rope is wound around the valve stem, a spring is arranged on one side of the valve stem, a second telescopic tube is arranged on one side of the first valve, the second telescopic tube is communicated with the inner cavity of a protective shell outside the first telescopic tube, the protective shell is fixedly installed below the floating block, the first lifting block is slidably connected inside the protective shell, and the first lifting block is fixedly connected to the lower end of the first telescopic tube through a connecting rod.

[0012] Preferably, a telescopic rod is slidably connected below the telescopic hose, a third lifting block is fixedly installed on the telescopic rod, a second tensioning rope is fixedly installed on the third lifting block, a second valve is arranged on the first telescopic tube, a valve stem and a spring are also arranged on the second valve, the second tensioning rope is wrapped around the valve stem, a third telescopic tube is arranged on one side of the second valve, and the third telescopic tube is communicated with the inner cavity of the protective shell.

[0013] Preferably, a steering block is provided on the outside of the protective shell, a transmission bracket is provided between the steering block and the protective shell, a shunt pipe is provided on one side of the connecting pipe, and an air outlet of the shunt pipe faces the transmission bracket.

[0014] In a second aspect of the present invention, a method for accurate aeration of sewage treatment is provided, comprising the following steps:

[0015] S1: Preparation work, place the aeration pipe in the sewage, float the aeration pipe above the water bottom through the floating block, transport the gas into the aeration pipe through the connecting pipe, and keep the aeration pipe at a fixed distance from the water bottom;

[0016] S2: Energy storage, through the adjustment of the first valve, the connecting pipe transports the gas through the first valve to the inflation pipe, and the gas is transported into the aeration pipe through the inflation pipe;

[0017] S3: Mobile aeration, the motor stops working, the counterweight block drops due to its own gravity, pushing the gas inside the aeration pipe to move closer to the blocking plate, the gas pushes the blocking plate to move to open the hole between the aeration port and the aeration pipe, the gas is aerated through the aeration port, and at the same time the blocking plate moves toward the support rod, the blocking plate drives the pushing assembly to operate by squeezing the hydraulic oil, and drives the aeration pipe to move closer to the connecting pipe.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the connecting pipe transports the gas into the aeration pipe for storage through the inflation pipe, the motor runs and continuously pulls the counterweight block up through the rotating shaft, and when the lower pressure block touches the control button below the upper limiting block, the motor stops working, and the counterweight block and the lower pressure block suddenly drop due to the weight of the counterweight block itself, and the air stored in the aeration pipe is suddenly pushed forward, and the blocking plate will be pushed forward (in the direction close to the support rod). At this time, the hole between the aeration port and the aeration pipe is opened, and the blocking plate is pushed forward to push the hydraulic oil into the sleeve, and the aeration pipe is driven to move forward as a whole (towards the connecting pipe direction) for a distance by pushing the assembly, and the gas inside the aeration pipe is also discharged through the aeration port to achieve aeration, so that the aeration pipe will move forward a distance after each aeration, so as to achieve aeration of different places inside the sewage pool, thereby improving the aeration range of the pool bottom aeration equipment.

[0019] A telescopic hose is provided at the bottom of the aeration pipe. When the bottom of the pool becomes uneven or the sewage becomes shallower, the distance between the aeration pipe and the bottom of the pool becomes shorter. At this time, the distance between the aeration pipe and the bottom of the pool is relatively close, and the telescopic hose is bent under the squeezing of the aeration pipe and the bottom of the pool. In order to prevent the aeration pipe from sinking to the bottom and becoming unable to move, the connecting pipe is connected to the second telescopic pipe through the first valve control, and gas is injected into the protective shell. The first lifting block is used to shorten the first telescopic pipe, thereby increasing the distance between the aeration pipe and the bottom of the pool until the telescopic hose becomes straight and stops shrinking.

[0020] When the telescopic rod is extended far, the second valve controls the third telescopic tube to discharge the gas inside the protective shell. At this time, the first lifting block descends to drive the first telescopic tube to extend until the telescopic rod touches the bottom and retracts into the telescopic hose. At this time, the distance between the aeration tube and the bottom is the optimal distance. At this time, the third telescopic tube is closed and the first telescopic tube is no longer extended. In this way, the aeration tube can be kept at a certain distance from the bottom of the water. In this way, no matter whether the sewage deepens or shallows, the aeration tube can be adaptively adjusted to the best position at the bottom of the water. This not only prevents the aeration tube from sinking to the bottom and becoming unable to move, but also prevents the aeration tube from being too far away from the bottom of the pool to reduce the aeration effect.

[0021] When the connecting pipe transports the gas into the aeration pipe, the diversion pipe will divert a part of the gas to the transmission bracket, and the gas will drive the transmission bracket to rotate, thereby driving the circular steering block to rotate. In this way, when the aeration pipe moves to the edge of the pool, the steering block will continuously rotate to adjust the direction of the aeration pipe to prevent the aeration pipe from moving to the edge of the pool and being unable to move further.

[0022] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front three-dimensional structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the left three-dimensional structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure on the right side of the present invention;

[0026] Figure 4 It is a schematic diagram of a partial cross-sectional structure of an aeration pipe of the present invention;

[0027] Figure 5 This is a schematic diagram of the overall cross-sectional structure of the aeration tube of the present invention;

[0028] Figure 6 It is a schematic diagram of the partial three-dimensional structure inside the aeration tube of the present invention;

[0029] Figure 7 This is a schematic diagram of the cross-sectional structure of the push block of the present invention;

[0030] The markings in the figure are:

[0031] 1. Aeration pipe; 2. Floating block; 3. Motor; 4. Rotating shaft; 5. Counterweight; 6. Pull rope; 7. Pressing block; 8. First telescopic tube; 9. Limiting block; 10. Control button; 11. Push plate; 12. Blocking plate; 13. Aeration port; 14. Connecting pipe; 15. Support rod; 16. Pushing block; 17. Sleeve; 18. Rotating rod; 19. Reciprocating screw rod; 20. Limiting rod; 21. First spring; 22. Connecting pipe 1. Take over; 23. First valve; 24. Second telescopic tube; 25. First lifting block; 26. Inflatable tube; 27. Second valve; 28. Third telescopic tube; 29. ​​Telescopic hose; 30. Partition plate; 31. Second lifting block; 32. First tension rope; 33. Valve stem; 34. Spring; 35. Telescopic rod; 36. Third lifting block; 37. Second tension rope; 38. Diverter pipe; 39. Steering block; 40. Transmission bracket. DETAILED DESCRIPTION

[0032] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] Please refer to the attached Figure 1-Figure 7 A precise aeration system for sewage treatment includes an aeration pipe 1, a first telescopic pipe 8 is arranged above the aeration pipe 1, a floating block 2 is arranged above the first telescopic pipe 8, a connecting pipe 22 for injecting gas into the aeration pipe 1 is arranged inside the first telescopic pipe 8, a control component for driving the first telescopic pipe 8 to perform telescopic adjustment is arranged on the first telescopic pipe 8, an aeration port 13 is arranged on the aeration pipe 1, a pushing component for driving the aeration pipe 1 to move in a direction close to the floating block 2 is arranged on one side of the aeration pipe 1, and an energy storage component for instantly squeezing and pushing away the gas inside the aeration pipe 1 is arranged inside the aeration pipe 1.

[0036] The specific operation process of the present invention is as follows: the aeration pipe 1 is placed in the sewage pool, the floating block 2 floats the aeration pipe 1 in the water, and the control component telescopes and adjusts the first telescopic pipe 8 according to the distance between the aeration pipe 1 and the bottom of the sewage pool. The first telescopic pipe 8 is telescopically adjusted to the optimal distance between the aeration pipe 1 and the bottom of the pool, so that the aeration pipe 1 floats at the optimal aeration position at the bottom of the sewage pool, and then gas is injected into the aeration pipe 1 through the connecting pipe 22. When the gas inside the aeration pipe 1 is sufficient, the gas is instantly pushed forward by the energy storage component, and the gas drives the pushing component to drive the aeration pipe 1 forward a distance, that is, close to the direction of the connecting pipe 22, and the gas is discharged from the aeration pipe 1 through the aeration port 13 to achieve aeration.

[0037] Please refer to Figure 1-Figure 5The energy storage assembly includes a motor 3, which is arranged above the floating block 2. A rotating shaft 4 is fixedly installed at the output end of the motor 3. The rotating shaft 4 is rotatably connected to the top of the floating block 2. A pulling rope 6 is wound around the rotating shaft 4. A counterweight block 5 is fixedly installed at one end of the pulling rope 6. A pressing block 7 is fixedly installed below the counterweight block 5. The pressing block 7 is slidably connected to the inside of the first telescopic tube 8. Limiting blocks 9 are respectively arranged above and below the inside of the first telescopic tube 8, and a control button 10 is arranged on the limiting block 9.

[0038] When the pressing block 7 contacts the control button 10 provided at the bottom of the upper limiting block 9, the motor 3 is powered off, the counterweight block 5 drops rapidly due to its own gravity, and the counterweight block 5 drives the pressing block 7 to drop rapidly. The pressing block 7 fits the inner wall of the first telescopic tube 8, and the gas is compressed into the aeration pipe 1 through the rapid descent of the pressing block 7. The pulling rope 6 is also stretched. When the pressing block 7 drops and presses on the upper part of the lower limiting block 9, the control button 10 above the lower limiting block 9 is pressed down. At this time, the motor 3 is powered on, and the motor 3 drives the rotating shaft 4 to rotate. The rotating shaft 4 rotates to wind and reel the pulling rope 6. The pulling rope 6 drives the counterweight block 5 to rise. At this time, the connecting pipe 22 will also inject gas into the aeration pipe 1 to realize energy storage.

[0039] Please refer to Figure 4 , Figure 5 and Figure 7 A blocking plate 12 is provided inside the aeration tube 1, and the blocking plate 12 blocks the channel between the aeration tube 1 and the aeration port 13. Pushing plates 11 are provided on both sides of the blocking plate 12. Hydraulic oil is provided in the inner cavity of the aeration tube 1. The pushing component includes a support rod 15, which is fixedly mounted on the outer side of the aeration tube 1. A sleeve 17 is fixedly mounted on the support rod 15. A rotating rod 18 is rotatably connected inside the sleeve 17. The inner cavity of the rotating rod 18 is connected to the inner cavity of the aeration tube 1 through a connecting pipe 14. A pushing block 16 is fixedly mounted on the rotating rod 18. A reciprocating screw rod 19 is provided inside the rotating rod 18. A limiting rod 20 is fixedly mounted on the support rod 15. The limiting rod 20 is plugged into one end of the reciprocating screw rod 19, and a first spring 21 is sleeved on the limiting rod 20.

[0040] When the pressing block 7 squeezes the gas into the aeration pipe 1, the instantaneous squeezing of the gas will drive the blocking plate 12 to move forward by pushing the pushing plate 11. The blocking plate 12 moves forward to open the channel between the aeration pipe 1 and the aeration port 13, and the gas is discharged through the aeration port 13 to achieve aeration. A one-way valve is arranged inside the aeration port 13 to prevent sewage from entering the aeration pipe 1. The blocking plate 12 moves forward to squeeze the hydraulic oil forward through the pushing plate 11. The hydraulic oil in the inner cavity of the aeration pipe 1 is transported to the inner cavity of the rotating rod 18 through the connecting pipe 14. The hydraulic oil pushes the reciprocating screw 19 outward. A threaded hole matching the reciprocating screw 19 is provided inside the rotating rod 18. The reciprocating screw rod 19 moves forward to drive the rotating rod 18 to rotate, and the rotating rod 18 drives the pushing block 16 to rotate, and the reciprocating screw rod 19 will compress the first spring 21. The limiting rod 20 is used to limit the reciprocating screw rod 19 and the first spring 21. When the gas is discharged from the inside of the aeration pipe 1, the pressure of the first spring 21 is reduced to rebound and reset, and the first spring 21 drives the reciprocating screw rod 19 to move backward and reset. At this time, the reciprocating screw rod 19 will drive the rotating rod 18 to rotate in the same direction for another circle. In this way, the reciprocating screw rod 19 will drive the rotating rod 18 to rotate in the same direction when it moves forward and backward. The rotating rod 18 drives the pushing block 16 to rotate to drive the aeration pipe 1 to move forward a certain distance.

[0041] Please refer to Figure 1-Figure 6 A first valve 23 is provided at one end of the connecting pipe 22, an inflation pipe 26 is provided below the first valve 23, and an outlet end of the inflation pipe 26 is located inside the aeration pipe 1. The control component includes a telescopic hose 29, which is fixedly installed below the aeration pipe 1, and a partition plate 30 is fixedly installed in the inner cavity of the telescopic hose 29. Hydraulic oil is provided above the partition plate 30 in the inner cavity of the telescopic hose 29, and a second lifting block 31 is slidably connected above the inner cavity of the telescopic hose 29. A second spring is provided between the second lifting block 31 and the telescopic hose 29. A first tensioning rope 32 is fixedly installed above the second lifting block 31, a valve stem 33 is provided on one side of the first valve 23, the first tensioning rope 32 is wound around the valve stem 33, a spring 34 is provided on one side of the valve stem 33, a second telescopic tube 24 is provided on one side of the first valve 23, the second telescopic tube 24 is communicated with the inner cavity of the protective shell outside the first telescopic tube 8, the protective shell is fixedly installed below the floating block 2, the first lifting block 25 is slidably connected inside the protective shell, and the first lifting block 25 is fixedly connected to the lower end of the first telescopic tube 8 through a connecting rod.

[0042] When the aeration pipe 1 is too close to the bottom of the pool, the telescopic hose 29 is compressed and bent. The bending of the telescopic hose 29 will squeeze the hydraulic oil in the inner cavity, and the hydraulic oil will squeeze the second lifting block 31 upward. The second lifting block 31 will rise and compress the second spring at the same time. When the second lifting block 31 rises, the first tension rope 32 is in a loose state, so that the clockwork 34 will be relaxed to drive the valve stem 33 on the first valve 23 to rotate. The rotation of the valve stem 33 will connect the connecting pipe 22 with the second telescopic pipe 24. The connecting pipe 22 is injected with air into the protective shell of the second telescopic pipe 24, and the first lifting block 25 inside the protective shell is pushed upward. The bottom of the first telescopic tube 8 is pulled upward through the connecting rod to drive the first telescopic tube 8 to contract. At this time, the distance between the aeration tube 1 and the bottom of the pool begins to increase. When the telescopic hose 29 is straightened, the hydraulic oil inside the telescopic hose 29 is no longer squeezed. The second lifting block 31 is driven to move downward through the second spring reset. The second lifting block 31 pulls the first tension rope 32 downward. The first tension rope 32 pulls the valve stem 33 on the first valve 23 to rotate and tighten the spring 34. At this time, the connecting pipe 22 is disconnected from the second telescopic tube 24, and the connecting pipe 22 is connected to the inflation pipe 26 again through the first valve 23 to continue to inflate the aeration tube 1.

[0043] Please refer to Figure 1-Figure 6 A telescopic rod 35 is slidably connected to the bottom of the telescopic hose 29, a third lifting block 36 is fixedly installed on the telescopic rod 35, a second tensioning rope 37 is fixedly installed on the third lifting block 36, a second valve 27 is arranged on the first telescopic tube 8, a valve stem 33 and a spring 34 are also arranged on the second valve 27, the second tensioning rope 37 is wound around the valve stem 33, a third telescopic tube 28 is arranged on one side of the second valve 27, and the third telescopic tube 28 is communicated with the inner cavity of the protective shell.

[0044] When the distance between the aeration pipe 1 and the bottom of the pool is too large, the aeration pipe 1 is not at the bottom of the sewage, the aeration effect becomes poor, and the telescopic rod 35 is further away from the bottom of the pool and extends downward, the telescopic rod 35 drives the third lifting block 36 to move downward, the third lifting block 36 pulls the second tension rope 37 downward, the second tension rope 37 pulls the valve stem 33 on the second valve 27 to rotate, and retracts the clockwork 34, at this time the second valve 27 is in an open state, the third telescopic pipe 28 releases the gas inside the protective shell, and the first lifting block 25 starts to move downward without the extrusion of gas The first lifting block 25 pulls the first telescopic tube 8 downward through the connecting rod, the first telescopic tube 8 begins to extend, and the aeration tube 1 begins to move downward. When the aeration tube 1 moves downward to a suitable depth and maintains an optimal distance from the bottom of the pool, the telescopic rod 35 is squeezed by the bottom of the pool and retracted into the telescopic hose 29. At this time, the second tensioning rope 37 is in a loose state, and the spring 34 is relaxed to drive the valve stem 33 on the second valve 27 to rotate, and the second tensioning rope 37 is wound and wound. At this time, the second valve 27 is closed, and the second telescopic tube 24 stops deflation of the protective shell.

[0045] Please refer to Figure 4 A steering block 39 is provided on the outside of the protective shell, a transmission bracket 40 is provided between the steering block 39 and the protective shell, a shunt pipe 38 is provided on one side of the connecting pipe 22, and the air outlet of the shunt pipe 38 is directly opposite to the transmission bracket 40.

[0046] One end of the connecting pipe 22 is connected to an air pump, and the air pump can be set on the shore or above the floating block 2, and is specifically set according to the size of the sewage pool. The air pump injects gas into the aeration pipe 1 through the connecting pipe 22. When the gas enters the connecting pipe 22, the diverter pipe 38 will divert a part of the gas to impact on the transmission bracket 40. The transmission bracket 40 continuously rotates under the impact of the gas, and the transmission bracket 40 drives the steering block 39 to continuously rotate. When the aeration pipe 1 moves to the shore, the steering block 39 continuously rotates and contacts the shore to drive the aeration pipe 1 to turn.

[0047] A method for accurate aeration of sewage treatment, comprising the following steps:

[0048] S1: Preparation work, placing the aeration pipe 1 in the sewage, the aeration pipe 1 floats above the water bottom through the floating block 2, the gas is transported into the aeration pipe 1 through the connecting pipe 22, and the aeration pipe 1 always maintains a fixed distance from the water bottom.

[0049] S2: Energy storage, which is regulated by the first valve 23 , and the connecting pipe 22 transports the gas to the inflation pipe 26 through the first valve 23 , and the gas is transported into the aeration pipe 1 through the inflation pipe 26 .

[0050] S3: Mobile aeration, the motor 3 stops working, and the counterweight 5 drops due to its own gravity, pushing the gas inside the aeration pipe 1 to move closer to the blocking plate 12. The gas pushes the blocking plate 12 to move and open the hole between the aeration port 13 and the aeration pipe 1. The gas is aerated through the aeration port 13. At the same time, the blocking plate 12 moves toward the support rod 15. The blocking plate 12 drives the pushing component to move by squeezing the hydraulic oil, driving the aeration pipe 1 to move closer to the connecting pipe 22.

[0051] Through the above aeration method, the aeration tube 1 can adaptively adjust its position from the water bottom and always be in the best position from the water bottom. This can not only prevent the aeration tube 1 from sinking to the bottom and being unable to move, but also prevent the aeration tube 1 from being too far away from the pool bottom to affect the aeration effect.

[0052] During the aeration process, the aeration volume can also be controlled by adjusting the air intake. The specific working principle is as follows:

[0053] The blower is connected to a connecting pipe 22, and the branch pipe air volume calculation module collects water inlet load data and calculates the air flow required by the connecting pipe 22, thereby controlling the air intake volume.

[0054] Collect inlet load data, including inlet flow, ammonia nitrogen content, COD parameters, etc., and accurately calculate the air flow. This calculation is mainly combined with the aerobic rate calculation method of the sewage tank precise aeration control system to adjust the actual dissolved oxygen value to remain within the set threshold range.

[0055] During the aerobic reaction of the sewage pool, the dissolved oxygen DO concentration is a balance between oxygen supply (aeration) and oxygen consumption (aerobic degradation of pollutants by activated sludge microorganisms). The oxygen transfer rate (OTR) is used to measure the rate of transfer from gaseous oxygen to liquid oxygen, that is, the oxygen supply; the oxygen consumption rate (OUR) is used to measure the amount of dissolved oxygen consumed by bacteria. In order to maintain the DO set point (achieve the DO set value), OUR and OTR must be equal, that is, the supply (aeration) of dissolved oxygen is equivalent to the consumption.

[0056] The oxygen supply (aeration) is obtained by the following formula:

[0057] ;

[0058] In the formula, OUR is the aerobic rate, DO is the dissolved oxygen concentration, COD is the oxygen demand, and Y H is the heterotrophic bacteria growth rate coefficient, is the maximum specific growth rate of heterotrophic bacteria; is the half-saturation constant related to oxygen utilization, is the half-saturation constant related to heterotrophic bacteria utilization; is the content of heterotrophic bacteria in the MLSS (mixed liquor suspended solids) concentration;

[0059] is the growth rate coefficient of autotrophic bacteria, is the maximum specific growth rate of autotrophic bacteria, is the half-saturation constant related to ammonia nitrogen, Ammonia nitrogen content, is the half-saturation constant related to the utilization rate of autotrophic bacteria, is the content of autotrophic bacteria in MLSS concentration.

[0060] Oxygen consumption rate (because OUR and OTR must be equal, that is, OTR) is a nonlinear function related to substrate, dissolved oxygen concentration and MLSS concentration. In the actual operation of sewage treatment plants, dissolved oxygen consumption in a short period of time is mainly affected by the influent load (water quality and quantity), and in a long period of time, in addition to the influent, there are also MLSS concentrations.

[0061] Therefore, the air intake calculation of the precise aeration control system can calculate the oxygen consumption rate OUR based on the water inlet load, MLSS, etc.

[0062] When the area of ​​the sewage pool is relatively large, multiple aeration devices can be placed at the same time, and the MCP main coordination cabinet connects and controls each blower, thereby controlling the air intake of each connecting pipe 22.

[0063] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A precise aeration system for sewage treatment, comprising an aeration pipe (1), characterized in that: A first telescopic tube (8) is arranged above the aeration tube (1), a floating block (2) is arranged above the first telescopic tube (8), a connecting tube (22) for injecting gas into the aeration tube (1) is arranged inside the first telescopic tube (8), a control component for driving the first telescopic tube (8) to perform telescopic adjustment is arranged on the first telescopic tube (8), an aeration port (13) is arranged on the aeration tube (1), a pushing component for driving the aeration tube (1) to move in a direction close to the floating block (2) is arranged on one side of the aeration tube (1), an energy storage component for instantly squeezing and pushing away the gas inside the aeration tube (1) is arranged inside the aeration tube (1), and a first valve (2) is arranged at one end of the connecting tube (22). 3), an air filling pipe (26) is arranged below the first valve (23), the air outlet end of the air filling pipe (26) is located inside the aeration pipe (1), the control component comprises a telescopic hose (29), the telescopic hose (29) is fixedly installed below the aeration pipe (1), a partition plate (30) is fixedly installed in the inner cavity of the telescopic hose (29), hydraulic oil is arranged above the partition plate (30) in the inner cavity of the telescopic hose (29), a second lifting block (31) is slidably connected above the inner cavity of the telescopic hose (29), a second spring is arranged between the second lifting block (31) and the telescopic hose (29), a first tensioning rope (32) is fixedly installed above the second lifting block (31), the first valve (2 3) A valve stem (33) is provided on one side, the first tension rope (32) is wound around the valve stem (33), a spring (34) is provided on one side of the valve stem (33), a second telescopic tube (24) is provided on one side of the first valve (23), the second telescopic tube (24) is communicated with the inner cavity of the protective shell outside the first telescopic tube (8), the protective shell is fixedly installed below the floating block (2), a first lifting block (25) is slidably connected inside the protective shell, the first lifting block (25) is fixedly connected to the lower end of the first telescopic tube (8) through a connecting rod, a telescopic rod (35) is slidably connected below the telescopic hose (29), a third lifting block (36) is fixedly installed on the telescopic rod (35), and the A second tensioning rope (37) is fixedly mounted on the third lifting block (36); a second valve (27) is arranged on the first telescopic tube (8); a valve stem (33) and a spring (34) are also arranged on the second valve (27); the second tensioning rope (37) is wound around the valve stem (33); a third telescopic tube (28) is arranged on one side of the second valve (27); the third telescopic tube (28) is communicated with the inner cavity of the protective shell; a steering block (39) is arranged on the outside of the protective shell; a transmission bracket (40) is arranged between the steering block (39) and the protective shell; a shunt pipe (38) is arranged on one side of the connecting pipe (22); an air outlet of the shunt pipe (38) faces the transmission bracket (40).

2. A precise aeration system for sewage treatment according to claim 1, characterized in that: The energy storage assembly comprises a motor (3), the motor (3) being arranged above the floating block (2), a rotating shaft (4) being fixedly mounted on the output end of the motor (3), the rotating shaft (4) being rotatably connected above the floating block (2), a pulling rope (6) being wound around the rotating shaft (4), a counterweight (5) being fixedly mounted on one end of the pulling rope (6), a pressing block (7) being fixedly mounted below the counterweight (5), the pressing block (7) being slidably connected inside a first telescopic tube (8), limiting blocks (9) being respectively arranged above and below the inside of the first telescopic tube (8), and a control button (10) being arranged on the limiting block (9).

3. The precise aeration system for sewage treatment according to claim 1, characterized in that: A blocking plate (12) is arranged inside the aeration pipe (1), and the blocking plate (12) blocks the passage between the aeration pipe (1) and the aeration port (13). Pushing plates (11) are arranged on both sides of the blocking plate (12), and hydraulic oil is arranged in the inner cavity of the aeration pipe (1).

4. A precise aeration system for sewage treatment according to claim 3, characterized in that: The pushing assembly comprises a support rod (15), the support rod (15) being fixedly mounted on the outside of the aeration tube (1), a sleeve (17) being fixedly mounted on the support rod (15), a rotating rod (18) being rotatably connected inside the sleeve (17), and an inner cavity of the rotating rod (18) being connected to an inner cavity of the aeration tube (1) via a connecting tube (14).

5. A precise aeration system for sewage treatment according to claim 4, characterized in that: A pushing block (16) is fixedly mounted on the rotating rod (18), a reciprocating screw rod (19) is arranged inside the rotating rod (18), a limiting rod (20) is fixedly mounted on the supporting rod (15), the limiting rod (20) is plugged into one end of the reciprocating screw rod (19), and a first spring (21) is sleeved on the limiting rod (20).

6. The method for accurate aeration of sewage treatment according to claim 3, characterized in that: The following steps are involved: S1: Preparation work, placing the aeration pipe (1) in sewage, the aeration pipe (1) floats above the water bottom through the floating block (2), and the gas is transported into the aeration pipe (1) through the connecting pipe (22), and the aeration pipe (1) always maintains a fixed distance from the water bottom; S2: Energy storage, which is regulated by the first valve (23), and the connecting pipe (22) transports the gas through the first valve (23) to the inflation pipe (26), and the gas is transported into the aeration pipe (1) through the inflation pipe (26); S3: Mobile aeration, the motor (3) stops working, the counterweight (5) drops due to its own gravity, pushing the gas inside the aeration pipe (1) to move towards the blocking plate (12), the gas pushes the blocking plate (12) to move and open the hole between the aeration port (13) and the aeration pipe (1), the gas is aerated through the aeration port (13), and at the same time the blocking plate (12) moves towards the support rod (15), the blocking plate (12) drives the driving component to operate by squeezing the hydraulic oil, and drives the aeration pipe (1) to move towards the connecting pipe (22).

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