Cleaning device of biological aerated filter

Abstract

The invention discloses a cleaning device of a biological aerated filter, which belongs to the technical direction of filter cleaning and comprises an aeration tank, the inside of the aeration tank is hollow, a water inlet pipe is fixedly mounted at one end of the aeration tank, a water outlet pipe is fixedly mounted at the other end of the aeration tank, a blow-off pipe is fixedly mounted on one side of the aeration tank, and the blow-off pipe is fixedly mounted on the other side of the aeration tank. A first mounting plate is fixedly mounted on one side of the top of the aeration tank, a second mounting plate is fixedly mounted on the other side of the top of the aeration tank, two groups of pressure sensors and two groups of motors are matched for use, the stirring speed of sewage can be changed according to different weights of the sewage filtering device, and when the detected weight is light, the stirring speed of the sewage can be changed. Dirt adsorbed on the surface of the sewage filtering device is less, cleaning operation is not needed, energy consumption in the production process is reduced, the effects of energy conservation and emission reduction are achieved, meanwhile, a mud-water mixture at the bottom of the aeration tank is stirred to make full contact with the sewage filtering device, the aeration cleaning efficiency is improved, and energy consumption is reduced.

Description

Technical Field

[0001] The invention belongs to the technical direction of filter tank cleaning, and specifically relates to a cleaning device for an aerated biological filter tank. Background Art

[0002] Aerated biological filter, referred to as BAF, is a new type of biofilm wastewater treatment process developed in Europe and the United States in the late 1980s. It was greatly developed in the early 1990s, with the largest scale reaching hundreds of thousands of tons per day, and it has developed into a process that can remove nitrogen and phosphorus. The application range of aerated biological filter is relatively wide. It has good and even irreplaceable functions in deep water treatment, micro-pollution source water treatment, difficult-to-degrade organic matter treatment, low-temperature sewage nitrification, and low-temperature micro-polluted water treatment. The aerated biological filter integrates biological oxidation and interception of suspended solids, saving the subsequent sedimentation tank (secondary sedimentation tank), and has the characteristics of large volumetric load and hydraulic load, short hydraulic retention time, less infrastructure investment, good effluent quality, low operating energy consumption, and low operating costs.

[0003] The existing patent publication number CN 213623482 U discloses a simple aerated biological filter device, comprising a base, an anoxic tank on the top of the base, an aerobic decomposition tank fixedly installed on the top of the base and on the right side of the anoxic tank, a water inlet pump fixedly installed on the top of the base and on the left side of the anoxic tank, a primary baffle fixedly installed on the inner wall of the anoxic tank, a primary filter pipe fixedly installed inside the primary baffle, a filter layer fixedly installed inside the anoxic tank and on the top of the primary baffle, a primary partition net fixedly installed on the inner wall of the anoxic tank and on the top of the filter layer, a transition pipe connected to the aerobic decomposition tank fixedly installed on the left side of the anoxic tank, and the aerobic decomposition tank fixedly installed on the inner wall of the anoxic tank. A secondary partition is fixedly installed on the inner wall of the tank, a decomposition layer is fixedly installed inside the aerobic decomposition tank and on the top of the secondary partition, a secondary partition is fixedly installed on the inner wall of the aerobic decomposition tank and on the top of the decomposition layer, a secondary filter tube is fixedly installed inside the secondary partition, a drain pipe is fixedly installed on the right side of the aerobic decomposition tank and on the top of the secondary partition, a blower is fixedly installed on the top of the base and on the right side of the aerobic decomposition tank, and a slag removal door is movably installed on the front of the anoxic tank, which only improves the filtering speed and the convenience of slag removal, but cannot reduce the labor intensity of the staff, and there are blind spots for cleaning, which need some improvements.

[0004] Therefore, it is necessary to design a cleaning device for an aerated biological filter that is highly practical. Summary of the invention

[0005] The purpose of the present invention is to provide a cleaning device for an aerated biological filter tank in view of the existing device, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a cleaning device for an aerated biological filter, comprising an aeration tank, the interior of the aeration tank is hollow, a water inlet pipe is fixedly installed at one end of the aeration tank, the water inlet pipe is externally connected to a workshop water pipeline, a water outlet pipe is fixedly installed at the other end of the aeration tank, a sewage pipe is fixedly installed at one side of the aeration tank, a first mounting plate is fixedly installed at one side of the top of the aeration tank, and a second mounting plate is fixedly installed at the other side of the top of the aeration tank;

[0007] The aeration tank is also provided with a cleaning component, a sewage filtering device, and a stirring component;

[0008] The cleaning assembly includes a first electric slide rail, a second electric slide rail, a first placement table, a first pressure sensor, a second placement table, a second pressure sensor, a first water tank, a first water injection pipe, a first cleaning nozzle, a first water supply pipe, a second water tank, a second water injection pipe, a second cleaning nozzle, a second water supply pipe, a third electric slide rail, a fourth electric slide rail, a first filter screen, and a second filter screen. Four groups of the first electric slide rail arrays are installed on one side of the inner wall of the aeration tank, and four groups of the second electric slide rail arrays are installed on the other side of the inner wall of the aeration tank. The first placement table is fixedly installed at one end inside the aeration tank, four groups of the first pressure sensor arrays are installed on the first placement table, and the second placement table is fixedly installed at the other end inside the aeration tank. Four groups of the second pressure sensor arrays are installed on the second placement table.

[0009] The present invention further illustrates that the first water tank is fixedly mounted on one side of the first mounting plate, the first water injection pipe is fixedly mounted on the first water tank, the first cleaning nozzle is fixedly mounted on the other side of the first mounting plate, one end of the first water supply pipe is connected to the first water tank, and the other end is connected to the first cleaning nozzle, the second water tank is fixedly mounted on one side of the second mounting plate, the second water injection pipe is fixedly mounted on the second water tank, the second cleaning nozzle is fixedly mounted on the other side of the second mounting plate, one end of the second water supply pipe is connected to the second water tank, and the other end is connected to the second cleaning nozzle, and both groups of water tanks are equipped with built-in pumps.

[0010] The present invention further illustrates that the two groups of the third electric slide rails are respectively fixedly mounted on one end of the first mounting plate and one end of the second mounting plate, the two groups of the fourth electric slide rails are respectively fixedly mounted on the other end of the first mounting plate and the other end of the second mounting plate, the first filter screen is slidably connected to the third electric slide rail, the second filter screen is slidably connected to the fourth electric slide rail, and four groups of electric slide rails are installed in an array on one side of the sewage filtering device, and the four groups of electric slide rails cooperate with the first electric slide rail and the second electric slide rail.

[0011] The present invention further illustrates that the stirring assembly includes a water pump, a first water pipe, a first electric valve, a second electric valve, a third electric valve, a second water pipe, a third water pipe, a first mounting base, a first motor, a first stirring rod, a second mounting base, a second motor, and a second stirring rod. The first water pipe can be detachably mounted on the inner bottom surface of the aeration tank, the water pump can be detachably mounted on one end of the first water pipe, and the second water pipe and the third water pipe are respectively fixedly mounted on both sides of the other end of the first water pipe.

[0012] The present invention further illustrates that the first electric valve, the second electric valve and the third electric valve are fixedly installed at intervals inside the first water pipe.

[0013] The present invention further illustrates that the first mounting seat is fixedly mounted on one side of the inner bottom surface of the aeration tank, the first stirring rod is detachably mounted on the first mounting seat, the first motor is detachably mounted on one side of the outer bottom surface of the aeration tank, and the rotating shaft of the first motor is connected to the first stirring rod.

[0014] The present invention further describes that the second mounting seat is fixedly mounted on the other side of the inner bottom surface of the aeration tank, the second stirring rod is detachably mounted on the second mounting seat, the second motor is detachably mounted on the other side of the outer bottom surface of the aeration tank, and the rotating shaft of the second motor is connected to the second stirring rod.

[0015] The present invention further illustrates that the aeration tank is placed on the floor of a production workshop.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention can change the stirring speed of sewage according to the weight of the sewage filter device through the coordinated use of two groups of pressure sensors, two groups of motors and equipment programs. When the detected weight is light, the sewage filter device has less dirt adsorbed on the surface, and no cleaning operation is required, thereby reducing energy consumption in the production process and achieving the effect of energy saving and emission reduction. At the same time, the mud-water mixture at the bottom of the aeration tank is stirred to make it fully contact with the sewage filter device, thereby improving the efficiency of aeration cleaning. When the detected weight is heavy, the sewage filter device has more dirt adsorbed on the surface, and the rotation speed of the stirring rod is increased to increase the water flow rate at the bottom of the aeration tank, so that the dirt adsorbed on the surface of the sewage filter device is swung up, and there is no need to frequently lift the sewage filter device, thereby reducing energy consumption. When the pollutants adhere for a long time, they are flushed and cleaned to prevent the dirt from clogging the aeration holes of the sewage filter device, thereby reducing the maintenance cost of the factory and improving production efficiency.

[0017] Through the coordinated use of water pumps, three sets of electric valves and equipment programs, different areas of the aeration tank can be cleaned according to different amounts of dirt. When the amount of dirt is small, only the dirt and sewage floating on the water surface are filtered and cleaned to prevent the dirt falling from the outside from affecting the aeration efficiency of the aeration tank. At the same time, there is no need for manual salvage by staff, which reduces the labor intensity of staff and reduces the energy consumption of the factory. When the amount of dirt is large, different electric valves are opened to clean different areas of the aeration tank to prevent sludge from accumulating at the bottom of the aeration tank and affecting normal production. At the same time, the rotation of the stirring rod is used to swing the sludge accumulated at the bottom, thereby improving the efficiency of dirt absorption and avoiding cleaning dead corners. There is no need for manual cleaning, which reduces the labor intensity of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is another perspective overall structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the internal structure of the aeration tank of the present invention;

[0022] Figure 4 It is a schematic diagram of the placement table position of the present invention;

[0023] Figure 5 is a schematic diagram of the placement table position from another perspective of the present invention;

[0024] Figure 6 The present invention Figure 2 A magnified schematic diagram of the structure in area A;

[0025] Figure 7 The present invention Figure 4 A magnified schematic diagram of the structure in area B;

[0026] Figure 8 The present invention Figure 5 A magnified schematic diagram of the structure in area C;

[0027] Fig. 9 The present invention Figure 5 A magnified schematic diagram of the structure in area D;

[0028] Fig.10 It is a schematic diagram of the structure of the sewage filtering device of the present invention;

[0029] Fig.11It is a schematic diagram of the internal structure of the first water pipe of the present invention.

[0030] In the figure: 1, aeration tank; 11, water inlet pipe; 12, water outlet pipe; 13, sewage pipe; 14, first mounting plate; 15, second mounting plate;

[0031] 2. Cleaning assembly; 21. First electric slide rail; 22. Second electric slide rail; 23. First placement table; 231. First pressure sensor; 24. Second placement table; 241. Second pressure sensor; 25. First water tank; 251. First water injection pipe; 252. First cleaning nozzle; 253. First water delivery pipe; 26. Second water tank; 261. Second water injection pipe; 262. Second cleaning nozzle; 263. Second water delivery pipe; 27. Third electric slide rail; 271. Fourth electric slide rail; 272. First filter screen; 273. Second filter screen;

[0032] 3. Sewage filtering device; 31. Electric slider;

[0033] 4. Stirring assembly; 41. Water pump; 42. First water pipe; 421. First electric valve; 422. Second electric valve; 423. Third electric valve; 43. Second water pipe; 44. Third water pipe; 45. First mounting seat; 451. First motor; 452. First stirring rod; 46. Second mounting seat; 461. Second motor; 462. Second stirring rod. DETAILED DESCRIPTION

[0034] The following is a further non-limiting detailed description of the technical solution of the present invention in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-11 The present invention provides a technical solution: a cleaning device for an aerated biological filter, comprising an aeration tank 1, the aeration tank 1 is placed on the floor of a production workshop, the interior of the aeration tank 1 is hollow, a water inlet pipe 11 is fixedly installed at one end of the aeration tank 1, the water inlet pipe 11 is externally connected to a workshop water pipeline for injecting sewage into the interior, a water outlet pipe 12 is fixedly installed at the other end of the aeration tank 1 for discharging filtered sewage, a sewage pipe 13 is fixedly installed at one side of the aeration tank 1 for discharging sludge at the bottom, a first mounting plate 14 is fixedly installed at one side of the top of the aeration tank 1, and a second mounting plate 15 is fixedly installed at the other side of the top of the aeration tank 1, and the two sets of mounting plates play the role of fixing components;

[0036] The interior of the aeration tank 1 is also provided with a cleaning component 2, a sewage filtering device 3, and a stirring component 4;

[0037] The cleaning assembly 2 includes a first electric slide rail 21, a second electric slide rail 22, a first placement table 23, a first pressure sensor 231, a second placement table 24, a second pressure sensor 241, a first water tank 25, a first water injection pipe 251, a first cleaning nozzle 252, a first water delivery pipe 253, a second water tank 26, a second water injection pipe 261, a second cleaning nozzle 262, a second water delivery pipe 263, a third electric slide rail 27, a fourth electric slide rail 271, a first filter 272, a second filter 273, four sets of first electric slide rails 21, a second electric slide rail 22, a first pressure sensor 231, a second pressure sensor 231, a second pressure sensor 241, a first water tank 25, a first water injection pipe 251, a first cleaning nozzle 252, a first water delivery pipe 253, a second water tank 26, a second water injection pipe 261, a second cleaning nozzle 262, a second water delivery pipe 263, a third electric slide rail 27, a fourth electric slide rail 271, a first filter 272, a second filter 273, and four sets of first electric slide rails 21, a second electric slide rail 22, a first pressure sensor 231, a second pressure sensor 231 ... The movable slide rail 21 array is installed on one side of the inner wall of the aeration tank 1, and the four sets of second electric slide rails 22 array are installed on the other side of the inner wall of the aeration tank 1. The first placement platform 23 is fixedly installed at one end of the interior of the aeration tank 1, and the four sets of first pressure sensors 231 array are installed on the first placement platform 23 to cooperate with the detection of the weight of the sewage filter device 3. The second placement platform 24 is fixedly installed at the other end of the interior of the aeration tank 1, and the four sets of second pressure sensors 241 array are installed on the second placement platform 24 to cooperate with the detection of the weight of the sewage filter device 3.

[0038] The first water tank 25 is fixedly mounted on one side of the first mounting plate 14, the first water injection pipe 251 is fixedly mounted on the first water tank 25, the first cleaning nozzle 252 is fixedly mounted on the other side of the first mounting plate 14, and is used to clean the sewage filtering device 3, one end of the first water delivery pipe 253 is connected to the first water tank 25, and the other end is connected to the first cleaning nozzle 252, the second water tank 26 is fixedly mounted on one side of the second mounting plate 15, the second water injection pipe 261 is fixedly mounted on the second water tank 26, the second cleaning nozzle 262 is fixedly mounted on the other side of the second mounting plate 15, and is used to clean the sewage filtering device 3, one end of the second water delivery pipe 263 is connected to the second water tank 26, and the other end is connected to the second cleaning nozzle 262, and both groups of water tanks are equipped with a pump (not shown in the figure) for pumping out the cleaning liquid;

[0039] Two sets of third electric slide rails 27 are respectively fixedly mounted on one end of the first mounting plate 14 and one end of the second mounting plate 15, and two sets of fourth electric slide rails 271 are respectively fixedly mounted on the other end of the first mounting plate 14 and the other end of the second mounting plate 15. The first filter screen 272 is slidably connected to the third electric slide rail 27, and the second filter screen 273 is slidably connected to the fourth electric slide rail 271. The two sets of filter screens are used to filter the sewage precipitated at the bottom of the aeration tank 1 to separate the sludge from the water, so as to facilitate cleaning by the staff;

[0040] One side array of the sewage filter device 3 is equipped with four sets of electric slide blocks 31, which are matched with the first electric slide rail 21 and the second electric slide rail 22;

[0041] The stirring assembly 4 includes a water pump 41, a first water pipe 42, a first electric valve 421, a second electric valve 422, a third electric valve 423, a second water pipe 43, a third water pipe 44, a first mounting seat 45, a first motor 451, a first stirring rod 452, a second mounting seat 46, a second motor 461, and a second stirring rod 462.

[0042] The first water pipe 42 is detachably mounted on the inner bottom surface of the aeration tank 1, the water pump 41 is detachably mounted on one end of the first water pipe 42 for pumping out sewage, the second water pipe 43 and the third water pipe 44 are respectively fixedly mounted on both sides of the other end of the first water pipe 42, and the first electric valve 421, the second electric valve 422, and the third electric valve 423 are fixedly mounted at intervals inside the first water pipe 42 for coordinating and controlling the flow of sewage in different areas;

[0043] The first mounting seat 45 is fixedly mounted on one side of the inner bottom surface of the aeration tank 1, the first stirring rod 452 is detachably mounted on the first mounting seat 45, the first motor 451 is detachably mounted on one side of the outer bottom surface of the aeration tank 1, and the rotating shaft of the first motor 451 is connected to the first stirring rod 452; the second mounting seat 46 is fixedly mounted on the other side of the inner bottom surface of the aeration tank 1, the second stirring rod 462 is detachably mounted on the second mounting seat 46, the second motor 461 is detachably mounted on the other side of the outer bottom surface of the aeration tank 1, and the rotating shaft of the second motor 461 is connected to the second stirring rod 462;

[0044] The aeration tank 1 is powered by an external workshop power supply to drive the internal components, and the four sets of electric slide rails are powered by an external workshop power supply, and the four sets of electric slide rails are all waterproof electric slide rails;

[0045] The aeration tank 1 is also equipped with an equipment program, which can control the operation of four sets of electric slide rails, the operation of the sewage filter device 3, the start and stop of the water pump 41, the opening and closing of three sets of electric valves, the start and stop of two sets of motors, and the start and stop of two sets of built-in pumps in the water tank;

[0046] Four sets of electric slide rails, sewage filter device 3, water pump 41, three sets of electric valves, two sets of motors, and built-in pumps of two water tanks are all connected with the equipment program signal.

[0047] Filter cleaning operation:

[0048] When the staff needs to perform aeration and cleaning operations on the sewage, the staff first turns on the power of the workshop, at which time the equipment program starts, the aeration tank 1 starts, and the equipment program controls the workshop water pipeline to transport sewage into the aeration tank 1 through the water inlet pipe 11, and then the equipment program controls the first electric slide rail 21 and the second electric slide rail 22 to start, and the electric slide block 31 drives the two groups of sewage filter devices 3 to move downward along the four groups of first electric slide rails 21, and the electric slide block 31 drives the two groups of sewage filter devices 3 to move downward along the four groups of second electric slide rails 22, so that the four groups of sewage filter devices 3 are completely immersed in the sewage, and the sewage is aerated and cleaned. When the four groups of sewage filter devices 3 move downward to the two groups of placement tables, they stop. At this time, two of the sewage filter devices 3 are connected to the first pressure sensor The two sets of sewage filter devices 3 are in contact with the second pressure sensor 231, and the other two sets of sewage filter devices 3 are in contact with the second pressure sensor 241. During the sewage treatment operation of the aeration tank 1, the equipment program detects the values ​​of the two sets of pressure sensors and compares them with the set values. The equipment program sets the pressure values ​​to M1, M2, and M3, where M1 is the minimum value and M3 is the maximum value, which can be adjusted according to specific needs. The speeds of the two motors are V1, V2, and V3, where V1 is the minimum value and V3 is the maximum value, which can be adjusted according to specific needs. When the equipment program detects that the value of the two sets of pressure sensors is M1, the equipment program determines that the sewage filter device 3 is in a normal state and the adsorbed dirt is small. The equipment program controls the two motors to start at a speed of V1, and the two motors drive the two stirring The rod rotates slowly, so that the mud-water mixture at the bottom of the aeration tank 1 is fully in contact with the sewage filter device 3, thereby improving the aeration efficiency and the production efficiency of the factory. When the equipment program detects that the value of the two sets of pressure sensors is M2, the equipment program determines that the sewage filter device 3 has been used for a long time and there is dirt adsorbed on the surface of the sewage filter device 3. The equipment program controls the speed of the two sets of motors to be adjusted to V2. The two sets of motors drive the two sets of stirring rods to rotate, so that the water flow rate at the bottom of the aeration tank 1 is increased, and the dirt adsorbed on the surface of the sewage filter device 3 is swung up to avoid the dirt affecting the aeration efficiency and prevent the dirt from clogging the aeration holes on the surface of the sewage filter device 3, thereby improving the production efficiency of the factory and reducing the cost of daily maintenance. When the equipment program detects that the value of the two sets of pressure sensors is M3 When the equipment program determines that there is a lot of dirt adsorbed on the surface of the sewage filter device 3, it needs to be cleaned. The equipment program controls the speed of the two motors to be adjusted to V3. The two motors drive the two stirring rods to rotate quickly, so that the water flow rate at the bottom of the aeration tank 1 increases, and the dirt adsorbed on the surface of the sewage filter device 3 is swung up to prevent the dirt adsorbed in a certain area of ​​the sewage filter device 3 from affecting the pressure sensing value. At the same time, the equipment program starts timing, the time is T1, which can be adjusted according to specific needs. When T1 time is up, if the values ​​of the two pressure sensors are less than M3, the equipment program has no operation. If the values ​​of the two pressure sensors are greater than M3, the equipment program controls the cleaning operation. The equipment program controls the first electric slide rail 21 and the second electric slide rail 22 to start.Move the sewage filter device 3 that needs to be cleaned upward to above the water surface. At this time, the equipment program controls the built-in pumps of the two water tanks to start, and the cleaning liquid is pumped into the two cleaning nozzles through the two water pipes and then sprayed onto the surface of the sewage filter device 3 to clean it. The equipment program sets the cleaning time to T2, which can be adjusted according to specific needs. When T2 time is up, the equipment program controls the built-in pumps of the two water tanks to turn off, and the first electric slide rail 21 and the second electric slide rail 22 drive the sewage filter device 3 to move downward to the two placement tables and stop;

[0049] By using two groups of pressure sensors, two groups of motors and equipment programs in coordination, the stirring speed of the sewage can be changed according to the weight of the sewage filter device 3. When the detected weight is light, the sewage filter device 3 has less dirt adsorbed on the surface, and no cleaning operation is required, thereby reducing energy consumption in the production process and achieving the effect of energy saving and emission reduction. At the same time, the mud-water mixture at the bottom of the aeration tank 1 is stirred to make it fully contact with the sewage filter device 3, thereby improving the efficiency of aeration cleaning. When the detected weight is heavy, the sewage filter device 3 has more dirt adsorbed on the surface, and the rotation speed of the stirring rod is increased to increase the water flow rate at the bottom of the aeration tank 1, so that the dirt adsorbed on the surface of the sewage filter device 3 is swung up, and there is no need to frequently lift the sewage filter device 3, thereby reducing energy consumption. When the pollutants adhere for a long time, they are flushed and cleaned to prevent the dirt from clogging the aeration holes of the sewage filter device 3, thereby reducing the maintenance cost of the factory and improving production efficiency.

[0050] Dirt cleaning operation:

[0051] During the above operation, the equipment program controls the dirt cleaning operation. The equipment program sets the cleaning time to X1, X2, and X3, where X1 is the minimum value and X3 is the maximum value, which can be adjusted according to specific needs. When the equipment program detects that the pressure value is M1, the equipment program determines that there is little dirt in the aeration tank 1, and only the dirt floating on the water surface needs to be filtered. The equipment program controls the water pump 41 to open, the third electric valve 423 to open, and the first electric valve 421 and the second electric valve 422 are in a closed state. The water pump 41 sucks the dirt floating on the water surface together with the sewage from the third electric valve 423 into the first water pipe 42, and then transports it upward to the second water pipe 43 and the third water pipe 44, and finally sprays it outward. The sprayed dirt and sewage will fall on the two sets of filter nets for filtration. The equipment program controls the cleaning time to X1. When the X1 time is up, the equipment program controls the water pump 41 to close, and the third electric valve 423 to close;

[0052] When the device program detects that the pressure value is M2, the device program determines that the dirt in the aeration tank 1 increases, and the dirt in the aeration tank 1 needs to be filtered. The device program controls the water pump 41 to open, the second electric valve 422 to open, and the first electric valve 421 and the third electric valve 423 are in a closed state. The water pump 41 sucks the dirt and sewage in the aeration tank 1 from the second electric valve 422 into the first water pipe 42, and then transports it upward to the second water pipe 43 and the third water pipe 44, and finally sprays it outward. The sprayed dirt and sewage will fall on the two sets of filter nets for filtration. The device program controls the cleaning time to be X2. When the X2 time is up, the device program controls the water pump 41 to close, and the second electric valve 422 to close;

[0053] When the equipment program detects that the pressure value is M3, the equipment program determines that there is a lot of dirt in the aeration tank 1, and the sludge accumulated at the bottom of the aeration tank 1 needs to be filtered. The equipment program controls the water pump 41 to open, the first electric valve 421 and the second electric valve 422 to open, and the third electric valve 423 is in a closed state. The water pump 41 sucks the sludge accumulated at the bottom of the aeration tank 1 together with the sewage from the first electric valve 421 and the second electric valve 422 into the first water pipe 42, and then transports it upward to the second water pipe 43 and the third water pipe 44, and finally sprays it outward. The sprayed dirt and sewage will fall on the two sets of filter nets for filtration. The equipment program controls the cleaning time to be X3. When the X3 time is up, the equipment program controls the water pump 41 to close, and the first electric valve 421 and the second electric valve 422 are closed;

[0054] By using the water pump 41, three sets of electric valves and the equipment program in coordination, different areas of the aeration tank 1 can be cleaned according to different amounts of dirt. When the amount of dirt is small, only the dirt and sewage floating on the water surface are filtered and cleaned to prevent the dirt falling from the outside from affecting the aeration efficiency of the aeration tank 1. At the same time, there is no need for manual salvage by the staff, which reduces the labor intensity of the staff and reduces the energy consumption of the factory. When the amount of dirt is large, different electric valves are opened to clean the different areas of the aeration tank 1 to prevent sludge from accumulating at the bottom of the aeration tank 1 and affecting normal production. At the same time, the sludge accumulated at the bottom is swung up by the rotation of the stirring rod, thereby improving the efficiency of dirt absorption and avoiding cleaning dead corners. There is no need for manual cleaning, which reduces the labor intensity of the staff.

[0055] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0056] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cleaning device for an aerated biological filter, comprising an aeration tank (1), characterized in that: The interior of the aeration tank (1) is hollow, a water inlet pipe (11) is fixedly mounted on one end of the aeration tank (1), the water inlet pipe (11) is externally connected to a workshop water pipeline, a water outlet pipe (12) is fixedly mounted on the other end of the aeration tank (1), a sewage pipe (13) is fixedly mounted on one side of the aeration tank (1), a first mounting plate (14) is fixedly mounted on one side of the top of the aeration tank (1), and a second mounting plate (15) is fixedly mounted on the other side of the top of the aeration tank (1); The aeration tank (1) is also provided with a cleaning component (2), a sewage filtering device (3), and a stirring component (4); The cleaning assembly (2) comprises a first electric slide rail (21), a second electric slide rail (22), a first placement table (23), a first pressure sensor (231), a second placement table (24), a second pressure sensor (241), a first water tank (25), a first water injection pipe (251), a first cleaning nozzle (252), a first water delivery pipe (253), a second water tank (26), a second water injection pipe (261), a second cleaning nozzle (262), a second water delivery pipe (263), a third electric slide rail (27), a fourth electric slide rail (271), a first filter screen (27 2), a second filter screen (273), four groups of the first electric slide rails (21) are arrayed on one side of the inner wall of the aeration tank (1), four groups of the second electric slide rails (22) are arrayed on the other side of the inner wall of the aeration tank (1), the first placement table (23) is fixedly installed at one end inside the aeration tank (1), four groups of the first pressure sensors (231) are arrayed on the first placement table (23), the second placement table (24) is fixedly installed at the other end inside the aeration tank (1), and four groups of the second pressure sensors (241) are arrayed on the second placement table (24).

2. The cleaning device for aerated biological filter according to claim 1, characterized in that: The first water tank (25) is fixedly mounted on one side of the first mounting plate (14); the first water injection pipe (251) is fixedly mounted on the first water tank (25); the first cleaning nozzle (252) is fixedly mounted on the other side of the first mounting plate (14); one end of the first water delivery pipe (253) is connected to the first water tank (25), and the other end is connected to the first cleaning nozzle (252); the second water tank (26) is fixedly mounted on one side of the second mounting plate (15); the second water injection pipe (261) is fixedly mounted on the second water tank (26); the second cleaning nozzle (262) is fixedly mounted on the other side of the second mounting plate (15); one end of the second water delivery pipe (263) is connected to the second water tank (26), and the other end is connected to the second cleaning nozzle (262); and both water tanks are provided with built-in pumps.

3. The cleaning device for aerated biological filter according to claim 2, characterized in that: The two groups of the third electric slide rails (27) are respectively fixedly mounted on one end of the first mounting plate (14) and one end of the second mounting plate (15); the two groups of the fourth electric slide rails (271) are respectively fixedly mounted on the other end of the first mounting plate (14) and the other end of the second mounting plate (15); the first filter screen (272) is slidably connected to the third electric slide rail (27); the second filter screen (273) is slidably connected to the fourth electric slide rail (271); and four groups of electric slide rails (31) are installed in an array on one side of the sewage filtering device (3); the four groups of electric slide rails (31) cooperate with the first electric slide rail (21) and the second electric slide rail (22).

4. The cleaning device for aerated biological filter according to claim 3, characterized in that: The stirring assembly (4) comprises a water pump (41), a first water pipe (42), a first electric valve (421), a second electric valve (422), a third electric valve (423), a second water pipe (43), a third water pipe (44), a first mounting seat (45), a first motor (451), a first stirring rod (452), a second mounting seat (46), a second motor (461), and a second stirring rod (462); the first water pipe (42) is detachably mounted on the inner bottom surface of the aeration tank (1); the water pump (41) is detachably mounted on one end of the first water pipe (42); and the second water pipe (43) and the third water pipe (44) are respectively fixedly mounted on both sides of the other end of the first water pipe (42).

5. The cleaning device for aerated biological filter according to claim 4, characterized in that: The first electric valve (421), the second electric valve (422), and the third electric valve (423) are fixedly installed at intervals inside the first water pipe (42).

6. The cleaning device for aerated biological filter according to claim 5, characterized in that: The first mounting seat (45) is fixedly mounted on one side of the inner bottom surface of the aeration tank (1); the first stirring rod (452) is detachably mounted on the first mounting seat (45); the first motor (451) is detachably mounted on one side of the outer bottom surface of the aeration tank (1); and the rotating shaft of the first motor (451) is connected to the first stirring rod (452).

7. The cleaning device for aerated biological filter according to claim 6, characterized in that: The second mounting seat (46) is fixedly mounted on the other side of the inner bottom surface of the aeration tank (1); the second stirring rod (462) is detachably mounted on the second mounting seat (46); the second motor (461) is detachably mounted on the other side of the outer bottom surface of the aeration tank (1); and the rotating shaft of the second motor (461) is connected to the second stirring rod (462).

8. The cleaning device for aerated biological filter according to claim 7, characterized in that: The aeration tank (1) is placed on the floor of a production workshop.

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