An aircraft waste disposal device and system with a multi-stage filtration waste storage tank.

Abstract

This invention discloses an aircraft wastewater discharge device and system with a multi-stage filtration-type wastewater storage tank, including a wastewater storage tank, a filtration mechanism, a flocculation tank, an aeration tank, an ozone tank, and a vacuum collection tank. A tank cover is installed at the open top of the wastewater storage tank via mounting bolts. An inlet pipe is located at the wastewater inlet in the middle of the upper surface of the tank cover, and a drain pipe is located at the wastewater outlet at the lower end of the outer arc surface of the wastewater storage tank. A large-diameter conical toothed ring is slidably connected within an annular groove at the lower end of the inner arc wall of the wastewater storage tank. The inner arc wall of the large-diameter conical toothed ring is provided with evenly distributed linkage rods, and the inner ends of the linkage rods are fixedly connected to the outer arc surface of a column. This aircraft wastewater discharge device and system with a multi-stage filtration-type wastewater storage tank can achieve multi-stage filtration of aircraft wastewater, preventing solid waste in the wastewater from being discharged along with the wastewater into subsequent wastewater treatment stages, thus avoiding burdening the wastewater treatment work. Furthermore, it can fully purify aircraft wastewater before discharge, preventing harm to the external environment.

Description

Technical Field

[0001] This invention relates to the field of sewage discharge technology, specifically to an aircraft sewage discharge device and system with a multi-stage filtration sewage storage tank. Background Technology

[0002] Aircraft ground services mainly include: aircraft power, air supply, air conditioning, fuel, wastewater treatment, fresh water, and in-flight catering. Wastewater discharge is an essential part of aircraft operations, and the wastewater discharge system is a system established to discharge sewage and wastewater. Currently used wastewater discharge systems are divided into gravity discharge systems and vacuum discharge systems. Gravity discharge systems are transport systems that rely solely on the fluid's own weight as the primary power source. In practical applications, this system has the following limitations:

[0003] 1. Because sewage is discharged by gravity, the system pipelines must have a certain downward slope when they are pre-buried. In relatively flat areas, a booster station (such as a pumping station) needs to be set up.

[0004] 2. The large diameter of the conveying pipes results in a large amount of construction work and higher costs for the pipeline network and equipment during the construction of the entire sewage system.

[0005] 3. In areas where residents are scattered or where other municipal public facilities are already buried underground, it is not advisable to pre-install gravity sewage systems.

[0006] 4. Gravity sewage systems are not suitable for areas with undulating terrain, shallow rock layers, or unstable soil geological layers.

[0007] 5. Gravity sewage systems are not suitable for installation in areas with high water levels or deep pits that are not suitable for excavation.

[0008] With the development of technology, vacuum sewage discharge technology has emerged as an innovation and beneficial supplement to traditional sewage discharge systems. This system utilizes the pressure gradient within the vacuum sewage discharge pipeline to gradually transport and collect sewage within the service area to a central vacuum station for centralized treatment and discharge.

[0009] Current aircraft wastewater discharge devices and systems are mostly unable to filter and purify aircraft wastewater before it is discharged. This not only puts a burden on subsequent wastewater treatment and discharge work, but also makes it difficult to store and recycle the filtered materials in the aircraft wastewater. Over time, this may cause pipe blockage. To address this, we have designed an aircraft wastewater discharge device and system with a multi-stage filtration-type wastewater storage tank. Summary of the Invention

[0010] The technical problem to be solved by the present invention is to overcome the existing defects and provide an aircraft sewage discharge device and sewage discharge system with a multi-stage filtration sewage storage tank. This system can achieve multi-stage filtration of aircraft sewage to prevent solid waste in the sewage from being discharged with the sewage into the subsequent sewage treatment process, thus avoiding the burden on sewage treatment work. Furthermore, it can fully purify aircraft sewage before discharging it to avoid harm to the external environment, and can effectively solve the problems in the background art.

[0011] To achieve the above objectives, the present invention provides the following technical solution: an aircraft waste disposal device with a multi-stage filtration-type waste storage tank, comprising a waste storage tank, a filtration mechanism, a flocculation tank, an aeration tank, an ozone tank, and a vacuum collection tank; a tank cover is installed at the open top of the waste storage tank via mounting bolts; a waste inlet pipe is provided at the waste inlet in the middle of the upper surface of the tank cover; a waste outlet pipe is provided at the waste outlet at the lower end of the outer arc surface of the waste storage tank; a large-diameter conical toothed ring is slidably connected in an annular groove at the lower end of the inner arc wall of the waste storage tank; the inner arc wall of the large-diameter conical toothed ring is provided with evenly distributed linkage rods; the inner ends of the linkage rods are all fixedly connected to the outer arc surface of the column; the right end of the waste outlet pipe is connected to the water inlet on the left side of the flocculation tank; the drain pipe on the right side of the flocculation tank is connected to the water inlet at the upper end of the left side of the aeration tank; and the waste inlet pipe is connected to the drainage pipe at the lower end of the right side of the vacuum collection tank. The aeration tank is connected to the drain outlet on the right side via an external pipe, which is connected to the inlet on the upper surface of the ozone tank. The vacuum collection tank is connected to a vacuum pipeline on the left side, and multiple suction terminals are connected to the vacuum pipeline. An interface valve is installed at the connection between the suction terminal and the vacuum pipeline. A sewage pump is installed inside the vacuum collection tank, and the other end of the sewage pump is connected to the sewage inlet pipe. An ejector-type vacuum pump is connected to the outside of the vacuum collection tank, and the other end of the ejector-type vacuum pump is connected to the sewage inlet pipe. The filtration mechanism is located inside the sewage storage tank. The bottom end of the filtration mechanism is vertically inserted into the square groove on the upper surface of the column, which can realize multi-stage filtration of aircraft sewage. This prevents solid waste in the sewage from being discharged into the subsequent sewage treatment process along with the sewage, thus avoiding burdening the sewage treatment work. It can also improve the efficiency of filtration while ensuring filtration quality.

[0012] Furthermore, the filtration mechanism includes a square rod and a filter barrel. The bottom end of the square rod is vertically inserted into a square groove on the upper surface of the column, and the upper end of the square rod is equipped with a filter barrel, which can realize the primary filtration of sewage.

[0013] Furthermore, the filtration mechanism also includes a square tube and filter frames. The square tube is movably sleeved on the middle of the outer surface of the square rod. Filter frames are provided at both the upper and lower ends of the outer arc surface of the square tube. The outer arc surface of the filter frames matches the inner arc wall of the sludge storage tank, which can realize secondary filtration and final filtration of sewage.

[0014] Furthermore, the filtration mechanism also includes a limiting bolt and a nut. The limiting bolt is threaded into a transverse threaded hole at the bottom of the square rod, and the left end of the limiting bolt is threaded with a nut, which can provide limiting support for the square tube to prevent it from slipping off the outside of the square rod and remaining inside the sludge tank, making it impossible to remove normally.

[0015] Furthermore, the outer arc surface of the sludge storage tank is equipped with a control switch group, the input end of which is electrically connected to an external power source, allowing for free adjustment of the operating status of each electrical appliance.

[0016] Furthermore, a first motor is provided at the lower end of the outer arc surface of the sludge storage tank. The output shaft of the first motor is rotatably connected to the shell wall of the sludge storage tank through a bearing and extends into the interior of the sludge storage tank. A bevel gear is provided at the right end of the output shaft of the first motor. The bevel gear meshes with a large-diameter bevel gear ring. The input end of the first motor is electrically connected to the output end of the control switch group, which can drive the square rod to rotate.

[0017] Furthermore, the lower end of the inner arc wall of the sludge storage tank is provided with symmetrical brackets on the left and right. The upper end of the brackets is connected to the ball by a pin. The bottom edge of the filter frame on the lower side is provided with an annular frame plate. The outer surfaces of the two balls are in contact with the wavy concave and convex surfaces at the bottom of the annular frame plate, which can cause the filter frame to move up and down reciprocatingly.

[0018] Furthermore, the inner top wall of the can lid is provided with an annular guide groove, and the upper surface of the filter bucket is provided with evenly distributed protrusions, the upper ends of which are all located inside the annular guide groove, which can provide further guiding support for the filter bucket and ensure the stability of the filter bucket when rotating.

[0019] Furthermore, the lower ends of the front and rear inner walls of the aeration tank are provided with symmetrical strip grooves. The four strip grooves are slidably connected to the longitudinal rods at the four corners of the aeration coil. An air pump is provided on the front side of the aeration tank. The air supply hose provided at the air outlet on the rear side of the air pump passes through the front side wall of the aeration tank and is connected to the air guide port at the center of the aeration coil. A crank rod is rotatably connected to the lower end of the interior of the aeration tank through a bearing. The output shaft of the second motor provided at the lower end of the front side of the aeration tank is fixedly connected to the front end of the crank rod. The bottom surface of the aeration coil is provided with symmetrical uprights. The eccentric rod in the middle of the crank rod is located in the vertical strip opening in the middle of the two uprights. The input ends of the air pump and the second motor are electrically connected to the output end of the control switch group, which can aerate aircraft wastewater.

[0020] An aircraft waste disposal system is characterized by comprising a controller and the aforementioned aircraft waste disposal device with a multi-stage filtration tank, wherein the controller is electrically connected to a control switch group and is used to remotely control and manage the aircraft waste disposal device with a multi-stage filtration tank.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: The aircraft sewage discharge device and sewage discharge system with a multi-stage filtration sewage storage tank have the following advantages:

[0022] 1. The ejector-type vacuum pump utilizes the principle of creating a vacuum using an ejector. A circulation / sewage pump injects wastewater from the sewage tank into the ejector. Through the constriction inside the ejector, a high-speed jet is formed, creating a vacuum at the jet point. This draws wastewater and air from the vacuum sewage pipe into the vacuum collection tank, creating a negative pressure environment in the vacuum network. During sewage discharge, the interface valve is opened, and wastewater and debris are drawn into the vacuum collection tank from the suction terminal 28, then pumped away by the sewage pump for further processing. Aircraft wastewater enters the filter cartridge. At this point, the control switch group activates the first motor, driving the bevel gear to rotate. Due to the meshing connection between the bevel gear and the large-diameter bevel gear ring, the large-diameter bevel gear ring can drive the column to rotate via the linkage rod. The square rod, due to its vertical insertion relationship with the column, is in a radial bearing state and rotates along with the column, causing the filter cartridge to rotate for initial centrifugal filtration. During this process, the convex column and the annular guide groove cooperate to provide further guidance and support for the filter cartridge, ensuring its stability during rotation.

[0023] 2. As the wastewater after primary filtration falls to the bottom of the storage tank, the two filter frames work together to perform secondary and final filtration. At the same time, the square tube drives the upper and lower filter frames to rotate together with the square rod, causing the contact point between the ball and the wavy surface at the bottom of the annular frame plate to change. This causes the upper and lower filter frames to move up and down due to their own weight and the pushing force of the ball, making the wastewater inside the filter frames subject to centrifugal force in the circumferential direction and vibration force in the vertical direction. This ensures the filtration quality while accelerating the filtration process.

[0024] 3. The filtered wastewater will be discharged into the flocculation tank through the drain pipe. When there is a lot of solid waste stored inside the filter bucket and the two filter frames, the personnel can first remove the tank cover, and then pull out the filter bucket, square rod, square tube and the two filter frames together from the inside of the sludge storage tank for cleaning. During this process, the limiting bolts and nuts can provide limiting support for the square tube to prevent it from slipping off the outside of the square rod and being left inside the sludge storage tank and unable to be removed normally. The operation is simple and practical.

[0025] 4. After multi-stage filtration, the aircraft wastewater is discharged into the flocculation tank through the drain pipe. Microscopic impurities in the wastewater react with the flocculant inside the tank, forming flocs floating in the wastewater. Once these flocs are discharged into the aeration tank along with the wastewater, an air pump compresses external air and sends it into the aeration tank through the air supply hose and aeration coil. As the air bubbles rise, they carry the flocs upwards, gradually concentrating them at the top of the aeration tank. At this point, an external scraper removes the flocs, further purifying the aircraft wastewater. Additionally, when the second motor operates, it drives the crankshaft... During rotation, the jacking force applied by the curved rod causes the aeration coil to move back and forth, improving the aeration uniformity of the aeration coil. This allows flocs in different locations within the aeration tank to rise with the air bubbles. Ultimately, when aircraft wastewater enters the ozone tank, the strong oxidizing effect of ozone decomposes large organic molecules into smaller molecules, breaks down poorly soluble substances into soluble ones, converts recalcitrant substances into biodegradable ones, and decomposes harmful substances into harmless ones. This achieves wastewater purification and prevents aircraft wastewater from harming the environment. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the front-end structure of an aircraft waste disposal device with a multi-stage filtration waste storage tank according to the present invention.

[0027] Figure 2 This is a schematic diagram of the rear structure of an aircraft waste disposal device with a multi-stage filtration waste storage tank according to the present invention.

[0028] Figure 3 This is a schematic diagram of the structure of the waste storage tank in an aircraft waste disposal device with a multi-stage filtration waste storage tank according to the present invention.

[0029] Figure 4 This is a top-view internal cross-sectional structural diagram of the waste storage tank in an aircraft waste disposal device with a multi-stage filter waste storage tank according to the present invention.

[0030] Figure 5 This is a schematic diagram of the internal cross-sectional structure of the waste storage tank in the aircraft waste disposal device with a multi-stage filtration waste storage tank according to the present invention.

[0031] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle;

[0032] Figure 7 for Figure 5 Enlarged structural diagram at point B;

[0033] Figure 8 This is a schematic diagram of the aeration tank in an aircraft waste disposal system with a multi-stage filtration-type waste storage tank.

[0034] Figure 9 This is a schematic diagram of the aeration tank in the right-side plan of an aircraft waste disposal device with a multi-stage filtration storage tank according to the present invention.

[0035] Figure 10 This is a schematic diagram of the internal cross-sectional structure of the vacuum collection tank in an aircraft waste disposal device with a multi-stage filtration waste storage tank according to the present invention.

[0036] In the diagram: 1. Sewage storage tank, 2. Tank cover, 3. Sewage inlet pipe, 4. Sewage outlet pipe, 5. Large diameter bevel gear ring, 6. Linkage rod, 7. Column, 8. Filtration mechanism, 81. Square rod, 82. Filter barrel, 83. Square tube, 84. Filter frame, 85. Limit bolt, 86. Nut, 9. Control switch group, 10. First motor, 11. Bevel gear, 12. Bracket, 13. Ball bearing, 14. Annular frame plate, 15. Annular guide groove, 16. Protruding column, 17. Flocculation tank, 18. Aeration tank, 19. Ozone tank, 20. Vacuum sludge collection tank, 21. Strip trough, 22. Aeration coil, 23. Air pump, 24. Air supply hose, 25. Curved rod, 26. Second motor, 27. Column, 28. Box door, 29. Pre-filter frame, 30. Guide plate. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figure 1-10 The present invention provides the following technical solutions:

[0039] Example 1: An aircraft waste disposal device with a multi-stage filtration-type waste storage tank, comprising a waste storage tank 1, a filtration mechanism 8, a flocculation tank 17, an aeration tank 18, an ozone tank 19, and a vacuum collection tank 20; a tank cover 2 is installed at the open top of the waste storage tank 1 by mounting bolts; a waste inlet pipe 3 is provided at the waste inlet in the middle of the upper surface of the tank cover 2; a waste outlet pipe 4 is provided at the waste outlet at the lower end of the outer arc surface of the waste storage tank 1; a large-diameter conical tooth ring 5 is slidably connected in the annular groove at the lower end of the inner arc wall of the waste storage tank 1; the inner arc wall of the large-diameter conical tooth ring 5 is provided with evenly distributed linkage rods 6; the inner ends of the linkage rods 6 are all fixedly connected to the outer arc surface of the column 7; the right end of the waste outlet pipe 4 is connected to the left side of the flocculation tank 17. The inlet of the flocculation tank 17 is connected to the drain pipe on the right side of the flocculation tank 17, which is connected to the inlet at the upper left side of the aeration tank 18. The drain outlet on the right side of the aeration tank 18 is connected to the inlet on the upper surface of the ozone tank 19 via an external pipe. The sewage inlet pipe 3 is connected to the drainage pipe at the lower right side of the vacuum sewage collection tank 20. The left side of the vacuum sewage collection tank 20 is connected to the vacuum pipe network 30, which is connected to multiple sewage suction terminals 28. An interface valve 29 is installed at the connection between the sewage suction terminal 28 and the vacuum pipe network 30. A sewage pump is installed inside the vacuum sewage collection tank 20, and the other end of the sewage pump is connected to the sewage inlet pipe 3. An ejector-type vacuum pump is connected to the outside of the vacuum sewage collection tank 20. The other end of the pump is connected to the inlet pipe 3. The ejector-type vacuum pump utilizes the principle of creating a vacuum using an ejector. A circulation / sewage pump injects sewage from the sewage tank into the ejector. Through the constriction inside the ejector, a high-speed jet is formed, creating a vacuum at the jet point. This draws sewage and air from the vacuum sewage pipe into the vacuum collection tank 20. A negative pressure environment is also created in the vacuum network 30. During sewage discharge, the interface valve 29 is opened, and sewage and debris are drawn from the suction terminal 28 into the vacuum collection tank 20, where they are then pumped away by the sewage pump for further processing. After multi-stage filtration, the aircraft sewage is discharged through the sewage pipe 4 into the flocculation tank 17. Microscopic impurities within the sewage will then... The flocculant inside the flocculation tank 17 reacts to produce flocs floating in the sewage. After the flocs are discharged into the aeration tank 18 along with the sewage and aerated, the aircraft sewage is introduced into the ozone tank 19. The strong oxidizing effect of ozone can decompose the large organic molecules in the aircraft sewage into small molecules, decompose the poorly soluble substances into soluble substances, convert the recalcitrant substances into degradable substances, and decompose the harmful substances into harmless substances, thereby achieving the effect of sewage purification and preventing the aircraft sewage from causing harm to the environment. The filtration mechanism 8 is set inside the sewage storage tank 1, and the bottom end of the filtration mechanism 8 is vertically inserted into the square groove on the upper surface of the column 7.

[0040] Among them, the outer arc surface of the sludge storage tank 1 is equipped with a control switch group 9, and the input end of the control switch group 9 is electrically connected to an external power supply.

[0041] Wherein: the inner top wall of the can lid 2 is provided with an annular guide groove 15, and the upper surface of the filter barrel 82 is provided with evenly distributed protrusions 16. The upper ends of the protrusions 16 are all located inside the annular guide groove 15. The protrusions 16 and the annular guide groove 15 cooperate to provide further guiding support for the filter barrel 82, ensuring the stability of the filter barrel 82 when rotating.

[0042] The aeration tank 18 has symmetrical strip grooves 21 on the lower ends of its front and rear inner walls. These four grooves 21 are laterally slidably connected to the longitudinal rods at the four corners of the aeration coil 22. An air pump 23 is located on the front side of the aeration tank 18. An air supply hose 24, located at the air outlet on the rear side of the air pump 23, passes through the front wall of the aeration tank 18 and connects to the air inlet at the center of the aeration coil 22. A crank rod 25 is rotatably connected to the lower end of the aeration tank 18 via a bearing. The output shaft of a second motor 26 located on the lower end of the front side of the aeration tank 18 is fixedly connected to the front end of the crank rod 25. Symmetrical uprights 27 are located in the middle of the bottom surface of the aeration coil 22. The eccentric rod in the middle of the crank rod 25 is simultaneously located within the vertical strip openings in the middle of the two uprights 27. The air pump 23 and the second motor 26... The input terminals are all electrically connected to the output terminals of the control switch group 9. After the flocs are discharged into the aeration tank 18 along with the sewage, the air pump 23 is powered on to compress the external air and send it into the aeration tank 18 through the air supply hose 24 and the aeration coil 22. As the bubbles rise, they will carry the flocs upward and gradually concentrate them above the aeration tank 18. At this time, the flocs can be scraped off by the external scraping equipment to further purify the aircraft sewage. In addition, when the second motor 26 runs and drives the crank 25 to rotate, the upright 27 will drive the aeration coil 22 to move back and forth due to the pushing force applied by the crank 25, which will improve the aeration uniformity of the aeration coil 22 and enable the flocs in different positions inside the aeration tank 18 to move upward with the bubbles.

[0043] Example 2:

[0044] The difference between this embodiment and Embodiment 1 is that:

[0045] In this embodiment, the filtration mechanism 8 includes a square rod 81 and a filter barrel 82. The bottom end of the square rod 81 is vertically inserted into the square groove on the upper surface of the column 7. The upper end of the square rod 81 is provided with the filter barrel 82. The filtration mechanism 8 also includes a square tube 83 and a filter frame 84. The square tube 83 is movably sleeved on the middle of the outer surface of the square rod 81. Filter frames 84 are provided at both the upper and lower ends of the outer arc surface of the square tube 83. The outer arc surface of the filter frame 84 matches the inner arc wall of the sludge storage tank 1. The filtration mechanism 8 also includes a limiting bolt 85 and a nut 86. The limiting bolt 85 is threaded into the transverse screw hole at the bottom end of the square rod 81. The left end of the limiting bolt 85 is threaded with a nut 86.

[0046] Specifically, this setup allows aircraft wastewater to be introduced into the storage tank 1 via the inlet pipe 3. The wastewater will first enter the filter cartridge 82, which performs preliminary filtration. After the wastewater has completed primary filtration, it falls towards the bottom of the storage tank 1. The two filter frames 84 work together to perform secondary and final filtration, thus completing the multi-stage filtration of aircraft wastewater. This prevents solid waste from being discharged along with the wastewater into subsequent wastewater treatment processes, which would burden the wastewater treatment work.

[0047] Example 3:

[0048] The difference between this embodiment and Embodiment 1 is that:

[0049] In this embodiment, a first motor 10 is provided at the lower end of the outer arc surface of the sludge storage tank 1. The output shaft of the first motor 10 is rotatably connected to the shell wall of the sludge storage tank 1 through a bearing and extends into the interior of the sludge storage tank 1. A bevel gear 11 is provided at the right end of the output shaft of the first motor 10. The bevel gear 11 meshes with the large-diameter bevel gear ring 5. The input end of the first motor 10 is electrically connected to the output end of the control switch group 9. A symmetrical bracket 12 is provided at the lower end of the inner arc wall of the sludge storage tank 1. A ball 13 is rotatably connected to the notch at the upper end of the bracket 12 through a pin. An annular frame plate 14 is provided at the bottom edge of the filter frame 84 on the lower side. The outer surfaces of the two balls 13 are in contact with the wavy concave-convex surface at the bottom end of the annular frame plate 14.

[0050] Specifically, with this setup, the first motor 10 rotates and drives the bevel gear 11 to rotate through the control switch group 9. Due to the meshing connection between the bevel gear 11 and the large-diameter bevel ring 5, the large-diameter bevel ring 5 can drive the column 7 to rotate through the linkage rod 6. The square rod 81, due to its vertical insertion relationship with the column 7, will be in a radial holding state and rotate together with the column 7, thereby causing the filter bucket 82 to rotate to perform preliminary centrifugal filtration. Afterwards, the square tube 83 will drive the upper and lower filter frames 84 to rotate together with the square rod 81, causing the contact point between the ball 13 and the wavy concave-convex surface at the bottom of the annular frame plate 14 to change. This causes the upper and lower filter frames 84 to be in a reciprocating state due to their own weight and the pushing force of the ball 13. This causes the sewage inside the filter frame 84 to be subjected to centrifugal force in the circumferential direction and vibration force in the vertical direction at the same time, which accelerates the filtration process while ensuring filtration quality.

[0051] An aircraft waste disposal system includes a controller and the aforementioned aircraft waste disposal device with a multi-stage filtration tank. The controller is electrically connected to a control switch group 9 and is used to remotely control and manage the aircraft waste disposal device with a multi-stage filtration tank.

[0052] The working principle of the aircraft sewage discharge device and system with a multi-stage filtration storage tank provided by this invention is as follows: During sewage discharge, the interface valve 29 is opened, and sewage and sludge are sucked into the vacuum collection tank 20 from the suction terminal 28, and then pumped away by the sewage pump for further processing. After the sewage and sludge enter the storage tank 1 through the sewage inlet pipe 3, the aircraft sewage will preferentially enter the filter barrel 82. At this time, through the regulation of the control switch group 9, the first motor 10 drives the bevel gear 11 to rotate. Affected by the meshing connection between the bevel gear 11 and the large-diameter bevel gear ring 5, the large-diameter bevel gear ring 5 can drive the column 7 to rotate through the linkage rod 6. The square rod 81, due to its vertical insertion relationship with the column 7, will be in a radial bearing state and rotate together with the column 7. This causes the filter bucket 82 to rotate for initial centrifugal filtration. During this process, the protruding post 16 and the annular guide groove 15 cooperate to provide further guidance and support for the filter bucket 82, ensuring the stability of the filter bucket 82 during rotation. After the wastewater has completed primary filtration, it falls towards the bottom of the storage tank 1. The two filter frames 84 cooperate to perform secondary and final filtration of the wastewater, respectively. At the same time, the square tube 83 will drive the upper and lower filter frames 84 to rotate together with the square rod 81, causing the contact point between the ball 13 and the wavy concave-convex surface at the bottom of the annular frame plate 14 to change. This causes the upper and lower filter frames 84 to move up and down in a reciprocating state due to their own weight and the pushing force of the ball 13, causing the wastewater inside the filter frame 84 to be simultaneously subjected to... The centrifugal force in the circumferential direction and the vibration force in the vertical direction accelerate the filtration process while ensuring filtration quality. The filtered wastewater is then discharged into the flocculation tank 17 via the drain pipe 4. When there is a large amount of solid waste stored inside the filter bucket 82 and the two filter frames 84, personnel can first remove the tank cover 2, and then pull the entire assembly of the filter bucket 82, square rod 81, square tube 83, and two filter frames 84 out of the storage tank 1 for cleaning. During this process, the limiting bolt 85 and nut 86 provide limiting support for the square tube 83 to prevent it from slipping off the square rod 81 and remaining inside the storage tank 1, making it difficult to remove. The operation is simple and practical. The aircraft wastewater after multi-stage filtration is discharged into the flocculation tank 17 via the drain pipe 4. After entering the flocculation tank 17, the microscopic impurities inside the wastewater react with the flocculant inside the flocculation tank 17 to form flocs floating in the wastewater. After the flocs are discharged into the aeration tank 18 along with the wastewater, the air pump 23 is powered on to compress external air and send it into the aeration tank 18 through the air supply hose 24 and the aeration coil 22. As the air bubbles rise, they carry the flocs upward, causing them to gradually concentrate at the top of the aeration tank 18. At this point, the flocs are scraped off by an external scraping device, thus achieving further purification of the aircraft wastewater. In addition, when the second motor 26 operates and drives the crank 25 to rotate, the upright 27, due to the pushing force applied by the crank 25, will drive the aeration coil 22 to move back and forth, improving the aeration uniformity of the aeration coil 22.This process encourages flocs at different locations within aeration tank 18 to rise with the air bubbles. Ultimately, when aircraft wastewater enters ozone tank 19, the strong oxidizing effect of ozone breaks down large organic molecules into smaller molecules, converts poorly soluble substances into soluble ones, transforms recalcitrant substances into biodegradable ones, and decomposes harmful substances into harmless ones. This achieves wastewater purification and prevents environmental harm from aircraft wastewater discharge.

[0053] An aircraft waste disposal system includes a controller and multiple aircraft waste disposal devices. The controller is electrically connected to a control switch group 9 of the aircraft waste disposal devices. The controller is used to remotely control and manage an aircraft waste disposal device with a multi-stage filtration waste storage tank.

[0054] It is worth noting that the first motor 10 and the second motor 26 disclosed in the above embodiments are both SM3L-042A1BDV servo motors, the sewage pump and the air pump 23 are VAY8828 vacuum pumps, the sewage pump can be a HERBORNER or EVAC sewage pump, the ejector type vacuum pump is a JZJP type Roots water jet vacuum unit, and the sewage pump control switch group 9 is equipped with switch buttons that correspond one-to-one with the first motor 10, the air pump 23 and the second motor 26 for controlling their switching operation.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An aircraft waste disposal device with a multi-stage filtration-type waste storage tank, characterized in that: The system includes a sludge storage tank (1), a filtration mechanism (8), a flocculation tank (17), an aeration tank (18), an ozone tank (19), and a vacuum sludge collection tank (20). A tank cover (2) is installed at the open top of the sludge storage tank (1) via mounting bolts. A sludge inlet pipe (3) is located at the sludge inlet in the middle of the upper surface of the tank cover (2). A sludge outlet pipe (4) is located at the sludge outlet at the lower end of the outer arc surface of the sludge storage tank (1). A large-diameter conical toothed ring (5) is slidably connected in the annular groove at the lower end of the inner arc wall of the sludge storage tank (1). Evenly distributed linkage rods (6) are located on the inner arc wall of the large-diameter conical toothed ring (5). The inner ends of the linkage rods (6) are fixedly connected to the outer arc surface of the column (7). The right end of the sludge outlet pipe (4) is connected to the inlet on the left side of the flocculation tank (17). The drain pipe on the right side of the flocculation tank (17) is connected to the inlet at the upper end of the left side of the aeration tank (18). The drain outlet on the right side of the gas pool (18) is connected to the inlet on the upper surface of the ozone pool (19) through an external pipe. The sewage inlet pipe (3) is connected to the drainage pipe at the lower end of the right side of the vacuum sewage collection tank (20). The vacuum sewage collection tank (20) is connected to the vacuum pipe network (30) on the left side. Multiple sewage suction terminals (28) are connected to the vacuum pipe network (30). An interface valve (29) is provided at the connection between the sewage suction terminal (28) and the vacuum pipe network (30). A sewage pump is provided inside the vacuum sewage collection tank (20), and the other end of the sewage pump is connected to the sewage inlet pipe (3). An ejector-type vacuum pump is connected to the outside of the vacuum sewage collection tank (20), and the other end of the ejector-type vacuum pump is connected to the sewage inlet pipe (3). The filter mechanism (8) is located inside the sewage storage tank (1). The bottom end of the filter mechanism (8) is vertically inserted into the square groove on the upper surface of the column (7). The filtration mechanism (8) includes a square rod (81) and a filter barrel (82). The bottom end of the square rod (81) is vertically inserted into the square groove on the upper surface of the column (7). The upper end of the square rod (81) is provided with a filter barrel (82). The filtration mechanism (8) also includes a square tube (83) and a filter frame (84). The square tube (83) is movably sleeved on the middle of the outer surface of the square rod (81). The upper and lower ends of the outer arc surface of the square tube (83) are provided with filter frames (84). The outer arc surface of the filter frame (84) matches the inner arc wall of the sludge storage tank (1). The filtration mechanism (8) also includes a limiting bolt (85) and a nut (86). The limiting bolt (85) is threaded into the transverse screw hole at the bottom end of the square rod (81). The left end of the limiting bolt (85) is threaded with a nut (86). The outer arc surface of the sludge storage tank (1) is provided with a control switch group (9). The input end of the control switch group (9) is electrically connected to an external power source. The lower end of the outer arc surface of the sludge storage tank (1) is provided with a first motor (10). The output shaft of the first motor (10) is rotatably connected to the shell wall of the sludge storage tank (1) through a bearing and extends into the interior of the sludge storage tank (1). The right end of the output shaft of the first motor (10) is provided with a bevel gear (11). The bevel gear (11) meshes with a large-diameter bevel gear ring (5). The input end of the first motor (10) is electrically connected to the output end of the control switch group (9). The lower end of the inner arc wall of the sludge storage tank (1) is provided with a left-right symmetrical bracket (12). The notch at the upper end of the bracket (12) is rotatably connected with a ball (13) through a pin. The bottom edge of the filter frame (84) on the lower side is provided with an annular frame plate (14). The outer surfaces of the two balls (13) are in contact with the wavy concave-convex surface at the bottom of the annular frame plate (14).

2. The aircraft waste disposal device with a multi-stage filtration-type waste storage tank according to claim 1, characterized in that: The inner top wall of the can lid (2) is provided with an annular guide groove (15), and the upper surface of the filter barrel (82) is provided with evenly distributed protrusions (16), the upper ends of which are all located inside the annular guide groove (15).

3. An aircraft waste disposal device with a multi-stage filtration-type waste storage tank according to claim 2, characterized in that: The lower ends of the front and rear inner walls of the aeration tank (18) are provided with symmetrical strip grooves (21). The four strip grooves (21) are slidably connected to the longitudinal rods at the four corners of the aeration coil (22). An air pump (23) is provided on the front side of the aeration tank (18). The air supply hose (24) provided at the air outlet on the rear side of the air pump (23) passes through the front side wall of the aeration tank (18) and is connected to the air guide port at the center of the aeration coil (22). The interior of the aeration tank (18) is lower The end is rotatably connected to the crank rod (25) via a bearing. The output shaft of the second motor (26) set at the lower end of the front side of the aeration tank (18) is fixedly connected to the front end of the crank rod (25). The bottom surface of the aeration coil (22) is provided with symmetrical uprights (27). The eccentric rod in the middle of the crank rod (25) is located in the vertical strip opening in the middle of the two uprights (27). The input ends of the air pump (23) and the second motor (26) are electrically connected to the output end of the control switch group (9).

4. An aircraft waste disposal system, characterized in that: The device includes a controller and an aircraft waste disposal device with a multi-stage filtration tank as described in claim 3. The controller is electrically connected to a control switch group (9) and is used to remotely control and manage the aircraft waste disposal device with a multi-stage filtration tank.

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