A continuous wastewater treatment apparatus and method

Abstract

The present application relates to the field of wastewater treatment, and discloses a kind of wastewater continuous treatment equipment and processing method, including processing box, upper baffle, lower baffle, wastewater inlet, outlet, control motor, transmission shaft, fixed plate, coarse filter plate, bottom baffle, connecting pipe, waste collection frame and the like;Processing box is fixed with upper baffle and lower baffle, and upper baffle and lower baffle separate processing box and form upper, middle and lower three layers, wastewater inlet is arranged at the top of processing box, and outlet is fixed at the bottom of processing box, domestic wastewater is poured into processing box through wastewater inlet.The multistage processing mode of rotating salvage mechanism and air floatation impurity removal mechanism is used to stably remove solid waste, oil and the like in domestic wastewater, the waste collection path is optimized, the continuous operation stability of the equipment is significantly improved, the equipment occupies space is reduced by layered design of multiple functions, and the wastewater treatment demand in the process of ship sailing is better met.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment, and more particularly to a continuous wastewater treatment device and treatment method. Background Technology

[0002] Shipboard wastewater treatment is a crucial issue in the field of maritime environmental protection. Its technological development is strictly regulated by the International Maritime Organization, which requires ships to be equipped with wastewater treatment systems that meet standards to prevent marine pollution. Shipboard wastewater mainly originates from the daily wastewater of the crew and passengers. According to the different water qualities, the discharged water can be divided into two types: black water and grey water. Black water refers to toilet flushing wastewater with a high pollutant content, i.e., sewage; grey water refers to wastewater from bathing, kitchens, laundry, etc., which is less polluted. In the past, research focused on black water treatment, but in recent years, judging from the requirements of foreign countries for the management of aquatic environments, the separate discharge of grey water has also been included in the scope of shipboard wastewater management, and it is also required to meet the discharge standards.

[0003] Due to the confined space on ships and the complex composition of wastewater, domestic wastewater contains high concentrations of suspended solids, grease, and organic matter. Existing equipment typically employs a combination of multi-stage sedimentation and fixed filtration. However, when filtering solid debris, paper towels, food scraps, and other contaminants easily accumulate on the filter plate surface, causing blockage and increasing filtration resistance, thus affecting the equipment's filtration efficiency. Sedimentation filtration is less effective at removing small particulate suspended solids, grease, and organic matter. Domestic wastewater treated solely by sedimentation filtration often fails to meet discharge standards. Furthermore, the waste collection system of existing wastewater treatment equipment is separated from the treatment process, requiring additional power to transport waste residue, increasing energy consumption, occupying more space, and reducing equipment reliability. Summary of the Invention

[0004] To address the shortcomings of existing equipment, such as the tendency for solid waste to clog filter plates and the difficulty in removing small particulate matter and grease from domestic wastewater, as well as the low reliability and large space requirements of existing wastewater treatment equipment, this invention provides a continuous wastewater treatment device that simultaneously filters domestic wastewater and removes solid waste. The device then uses an air flotation method to treat any remaining small particulate matter and grease in the wastewater, ensuring that the treated wastewater meets discharge standards.

[0005] The technical solution of this invention is as follows: a continuous wastewater treatment device, comprising a treatment tank, an upper partition, a lower partition, a wastewater inlet, an outlet, a control motor, a drive shaft, a fixed plate, a coarse filter plate, a bottom baffle, a connecting pipe, a waste collection frame, a fixed plate, a rotating scooping mechanism, and an air flotation impurity removal mechanism. The upper and lower partitions are fixedly connected inside the treatment tank, separating the tank into upper, middle, and lower layers. A wastewater inlet is located at the top of the treatment tank, and an outlet is fixedly connected at the bottom. A control motor is fixedly connected outside the treatment tank, and a drive shaft is rotatably connected inside the treatment tank. The shaft controls the output shaft of the motor, which is fixedly connected to the transmission shaft. A fixed plate and a bottom baffle are fixedly connected inside the treatment box. A coarse filter plate is fixed between the fixed plate and the bottom baffle. A connecting pipe is fixedly connected outside the treatment box, connecting the upper and middle layers inside the treatment box. A fixed plate is fixedly connected inside the treatment box, and a waste collection frame is fixed inside the fixed plate. A rotating scooping mechanism is rotatably installed inside the treatment box. The rotating scooping mechanism scoops up large pieces of solid waste inside the treatment box and collects them into the waste collection frame. An air flotation impurity removal mechanism is installed inside the treatment box. The air flotation impurity removal mechanism removes small particulate waste from the wastewater.

[0006] Preferably, the rotary retrieval mechanism includes a rotary retrieval plate, a rotary frame, a rotary cam, a connecting rod, and a slag scraping assembly. A rotary cam is rotatably connected inside the fixed plate, and a rotary cam is also rotatably connected to the drive shaft. The two rotary cams are connected to each other through a connecting rod. A rotary frame is rotatably connected inside the processing box. The rotary cam inside the fixed plate is fixedly connected to the rotary frame. A rotary retrieval plate is fixedly connected to the rotary frame. The slag scraping assembly is installed inside the rotary frame. The slag scraping assembly is used to scrape the retrieved waste from the rotary retrieval plate and make it fall into the waste collection box.

[0007] Preferably, the slag scraping assembly includes a sliding scraper frame, a rotating rod, a rotating connecting rod, a torsion spring, a deflector plate, and a wedge block. The sliding scraper frame is slidably connected to the outside of the rotating scooping plate, and the rotating rod is rotatably connected to the inside of the rotating frame. A rotating connecting rod is rotatably connected to one end of the rotating rod away from the rotating frame, and the other end of the rotating connecting rod is rotatably connected to the sliding scraper frame. A deflector plate is fixedly connected to the rotating rod, and a torsion spring is provided between the deflector plate and the rotating frame. A wedge block is fixedly connected to the same height on the inner side of the fixed plate and the fixed disk. The deflector plate will contact the wedge block during the rotation of the rotating frame.

[0008] Preferably, the air flotation impurity removal mechanism includes an air inlet, a waste support plate, a rotating shaft, a bevel gear transmission component, a scraper turntable, an air pump pipe, an air outlet plate, a partition plate, a one-way air valve, a lifting connecting rod, an L-shaped slide rod, an air pump piston, and a conveying pipe. A rotating shaft is rotatably connected inside the upper partition plate. The rotating shaft is connected to the transmission shaft via a bevel gear transmission component. The bottom of the rotating shaft passes through the upper partition plate and is fixedly connected to the scraper turntable. A partition plate is fixedly connected inside the processing tank. An air pump pipe is fixedly connected inside the partition plate. An air outlet plate is fixedly connected to the other end of the air pump pipe. Air holes are opened on the partition plate and communicate with the air pump pipe. The treatment box is equipped with a one-way air valve. An air inlet is located on the front side of the treatment box and is connected to the air hole on the partition plate. An L-shaped slide rod is slidably connected inside the bottom baffle. A lifting rod is hinged to the connecting rod. The other end of the lifting rod is hinged to the L-shaped slide rod. An air pumping piston is slidably connected inside the air pumping pipe. The bottom of the L-shaped slide rod is fixed to the air pumping piston. A conveying pipe is fixed to the lower partition plate. One end of the conveying pipe passes through the partition plate and is equipped with a valve. The other end of the conveying pipe passes through the lower partition plate. The conveying pipe connects the middle layer and the lower layer of the treatment box. A waste residue support plate is fixed inside the treatment box and is located at the top of the conveying pipe.

[0009] Preferably, it also includes an anti-clogging component to prevent the coarse filter plate from being blocked. The anti-clogging component includes a T-shaped slide bar, a lifting frame, and a sliding scraper. The T-shaped slide bar is slidably connected inside the fixed plate, and the lifting frame is slidably connected outside the fixed plate. The T-shaped slide bar is fixedly connected to the lifting frame. The sliding scraper is slidably connected inside the processing box and is fixedly connected to the lifting frame.

[0010] Preferably, it also includes a squeezing assembly for squeezing out sewage from the large pieces of debris that have been retrieved. The squeezing assembly includes a spiral conveying roller, a squeezing baffle, and a tension spring. The spiral conveying roller is fixedly connected inside the rotating frame and is located inside the waste collection frame. The spiral conveying roller is covered with a squeezing baffle, and the squeezing baffle is connected to the fixed plate by a tension spring.

[0011] Preferably, it also includes an aeration mechanism for aerating the filtered wastewater. The aeration mechanism includes an aeration cylinder, a fixed column, a cam transmission group, a rotating aeration rod, an aeration piston, an air inlet pipe, a rotating pipe, an aeration pipe, and a rotating stirring assembly. An aeration cylinder is fixedly connected to the outside of the treatment tank, and a fixed column is fixedly connected to the aeration cylinder. The fixed column is connected to the spiral conveying roller through the cam transmission group. An aeration piston is slidably connected inside the aeration cylinder. A rotating aeration rod is rotatably connected to the top of the aeration piston. The top of the rotating aeration rod is rotatably connected to the cam transmission group. An air inlet pipe is fixedly connected to the outside of the aeration cylinder and communicates with the aeration cylinder. A rotating pipe is rotatably connected inside the treatment tank. An aeration pipe is provided outside the rotating pipe and communicates with the aeration cylinder. An aeration pipe is fixedly connected to the outside of the rotating pipe and communicates with the rotating pipe.

[0012] Preferably, the rotary stirring assembly includes a conical acceleration tube, fan blades, and a stirring rod. The aeration cylinder and the rotary tube are connected through the conical acceleration tube. The fan blades are fixed inside the rotary tube, and the stirring rod is fixed outside the rotary tube, with the stirring rod sleeved outside the aeration tube.

[0013] Preferably, it also includes a blocking component to prevent wastewater from flowing back into the rotating tube. The blocking component includes a blocking plug and a spring. The blocking plug is slidably connected to the stirring rod, and the blocking plug is connected to the stirring rod by the spring.

[0014] A continuous wastewater treatment method, using the aforementioned continuous wastewater treatment equipment, includes the following steps:

[0015] Step 1: Add domestic wastewater into the treatment tank through the wastewater inlet, start the control motor, and the control motor drives the rotating frame to rotate through the transmission shaft. During the rotation, the rotating scooping plate on the rotating frame scoops up large particles of wastewater. As the rotating scooping plate continues to rotate, the scooped waste will fall into the waste collection box for recycling. After the wastewater overflows the bottom baffle, it will pass through the coarse filter plate, while the large particles of wastewater in the wastewater are blocked by the coarse filter plate.

[0016] Step 2: Wastewater passing through the coarse filter plate flows along the connecting pipe into the treatment tank between the upper and lower partitions and the partition plate. When the top surface of the wastewater in the treatment tank is flush with the top surface of the partition plate, the valve at the bottom of the connecting pipe is closed. At this time, as the control motor rotates continuously, the transmission shaft drives the lifting connecting rod to move up and down through the rotating cam and connecting rod. Then, through the L-shaped slide rod, it drives the air piston to move up and down and injects gas into the treatment tank through the air outlet plate. The gas entering the treatment tank through the air outlet plate forms microbubbles. As the microbubbles float upward, they combine with the solid particles in the wastewater to form a bubble-particle composite. Finally, the composite floats to the water surface. The scraper turntable pushes the composite on the top surface of the wastewater from the top of the partition plate to the waste residue support plate. After a period of treatment, the solid particles in the wastewater are removed. At this time, the valve on the conveying pipe is opened. After all the wastewater in the treatment tank flows out along the conveying pipe, the valve on the conveying pipe is closed, and then the valve on the connecting pipe is opened. The wastewater filtered by the coarse filter plate re-enters the treatment tank for treatment.

[0017] Step 3: The wastewater treated by the air flotation method flows into the aeration tank at the bottom of the treatment tank through the conveying pipe. The drive shaft drives the cam drive group to rotate through the spiral conveying roller. The cam drive group drives the aeration piston to move up and down by rotating the aeration rod. The aeration piston injects external air into the wastewater in the aeration tank through the aeration pipe on the rotating pipe to aerate the wastewater. The water after aeration treatment flows out from the outlet at the bottom of the treatment tank.

[0018] Compared with the prior art, the present invention has the following advantages: 1. The present invention achieves stable removal of suspended waste materials of various sizes, oils and greases from domestic wastewater by integrating a rotating dredging mechanism and an air flotation impurity removal mechanism. At the same time, it optimizes the waste collection path, significantly improves the continuous operation stability of the equipment, and designs multiple functions in layers, reducing the space occupied by the equipment and better meeting the wastewater treatment needs during ship navigation.

[0019] 2. In treating domestic wastewater, the present invention first filters the domestic wastewater through a coarse filter plate. The waste material blocked by the coarse filter plate will remain in the upper space of the treatment tank. Then, the domestic wastewater after coarse filtration flows into the treatment tank through the connecting pipe. The domestic wastewater in the treatment tank is treated by air flotation to remove small particulate waste and grease remaining in the domestic wastewater. By continuously treating the domestic wastewater multiple times, the waste material is removed.

[0020] 3. Large pieces of waste blocked by the coarse filter frame will be lifted upward by the rotating scooping plate. When the scooped waste is rotated to the opening at the top of the waste collection frame, the sliding scraper frame will be driven and slide downward along the rotating scooping plate to push the waste on the rotating scooping plate into the waste collection frame, so as to scoop and recycle large pieces of waste in domestic wastewater.

[0021] 4. The spiral conveyor roller continuously pushes large pieces of waste scooped from domestic wastewater into the waste collection box to the left. With the cooperation of the extrusion baffle and the tension spring, the waste at the left end of the waste collection box is squeezed, and the wastewater in the waste is squeezed out. When the extrusion baffle is subjected to a pushing force greater than the elastic force of the tension spring, the squeezed waste will eventually push the extrusion baffle to slide away from the left side of the waste collection box, so that the squeezed waste falls down from the left end of the waste collection box. Moreover, after being squeezed, the scooped waste no longer contains wastewater, the waste volume is reduced, which is convenient for subsequent storage and can prevent the waste from rotting and producing odors.

[0022] 5. During the wastewater treatment process using the air flotation method, when the scraper turntable rotates, it pushes the waste material floating to the surface of the wastewater towards the waste residue support plate through the scraper at its bottom. After the equipment has been running for a certain period of time, the waste residue on the waste residue support plate can be removed through the bin door in the middle of the rear side of the treatment tank.

[0023] 6. When wastewater flows into the lower layer of the treatment tank, air is continuously introduced into the wastewater to aerate it, providing oxygen to the microorganisms in the wastewater so that they can quickly decompose the organic matter in the wastewater. The air velocity increases as it passes through the conical acceleration tube, which in turn drives the rotating tube to rotate through the fan blades. During the rotation of the rotating tube, the wastewater is stirred by the stirring rod. Since the aeration tube rotates synchronously with the stirring rod, the air is evenly introduced into the wastewater. Attached Figure Description

[0024] Figure 1This is a schematic diagram of the overall structure of the present invention.

[0025] Figure 2 This is a schematic diagram of the internal structure of the processing box of the present invention.

[0026] Figure 3 This is a schematic diagram of the structure of the waste collection frame of the present invention.

[0027] Figure 4 This is a schematic diagram of the rotating frame of the present invention.

[0028] Figure 5 This is a cross-sectional structural diagram of the fixing plate of the present invention.

[0029] Figure 6 This is a schematic diagram of the structure of the sliding scraper of the present invention.

[0030] Figure 7 This is a schematic diagram of the T-shaped slide bar of the present invention.

[0031] Figure 8 This is a schematic diagram of the structure inside the treatment pool of the present invention.

[0032] Figure 9 This is a schematic diagram of the lifting linkage of the present invention.

[0033] Figure 10 This is a cross-sectional schematic diagram of the air inflator tube of the present invention.

[0034] Figure 11 This is a cross-sectional structural diagram of the aeration cylinder of the present invention.

[0035] Figure 12 This is a schematic diagram of the structure of the fan inside the rotating tube in this invention.

[0036] Figure 13 This is a cross-sectional structural diagram of the stirring rod of the present invention.

[0037] In the diagram: 1. Processing box; 1001. Air inlet; 1002. Upper partition; 1003. Lower partition; 1004. Waste residue support plate; 101. Wastewater inlet; 102. Outlet; 103. Control motor; 104. Drive shaft; 105. Fixed plate; 1051. Coarse filter plate; 1052. Bottom baffle; 106. Connecting pipe; 2. Waste collection frame; 201. Fixed disc; 202. Screw conveyor roller; 203. Rotating scooping plate; 204. Sliding scraper frame; 205. Rotating frame; 206. Rotating rod; 207. Rotating connecting rod; 208. Torsion spring; 209. Actuating plate; 210. Wedge block; 211. Rotating cam; 212. Connecting rod; 3. T-shaped slide bar; 30 1. Lifting frame; 302. Sliding scraper; 4. Rotating shaft; 401. Bevel gear transmission component; 402. Scraper turntable; 403. Air pump pipe; 404. Air outlet plate; 405. Divider plate; 406. One-way air valve; 407. Lifting linkage; 408. L-shaped slide bar; 409. Air pump piston; 410. Conveying pipe; 5. Extrusion baffle; 501. Tension spring; 6. Aeration cylinder; 601. Fixed column; 602. Cam transmission assembly; 6021. Rotating aeration rod; 6022. Aeration piston; 603. Air inlet pipe; 604. Conical acceleration pipe; 605. Rotating pipe; 6051. Fan blade; 606. Stirring rod; 607. Aeration pipe; 608. Blocking plug; 609. Spring. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0039] Example 1: A continuous wastewater treatment device, such as Figures 1-13As shown, the system includes a treatment tank 1, an upper partition 1002, a lower partition 1003, a wastewater inlet 101, an outlet 102, a control motor 103, a drive shaft 104, a fixed plate 105, a coarse filter plate 1051, a bottom baffle 1052, a connecting pipe 106, a waste collection frame 2, a fixed disc 201, a rotating dredging mechanism, and an air flotation impurity removal mechanism. The upper partition 1002 and the lower partition 1003 are fixedly connected inside the treatment tank 1. The upper partition 1002... The lower partition 1003 separates the treatment tank 1 into three layers: upper, middle, and lower. A wastewater inlet 101 is located at the top of the treatment tank 1, and an outlet 102 is fixedly connected to the bottom. Domestic wastewater is poured into the treatment tank 1 through the wastewater inlet 101. After treatment within the treatment tank 1, the wastewater is discharged outwards through the outlet 102 at the bottom. A control motor 103 is fixedly connected to the outside of the treatment tank 1, and a drive shaft 104 is rotatably connected inside the treatment tank 1. The output shaft is fixedly connected to the transmission shaft 104. A fixed plate 105 and a bottom baffle 1052 are fixedly connected inside the treatment box 1. Both the fixed plate 105 and the bottom baffle 1052 are located in the upper layer inside the treatment box 1. A coarse filter plate 1051 is fixedly connected between the fixed plate 105 and the bottom baffle 1052. The coarse filter plate 1051 filters the wastewater entering the treatment box 1 to block large solid waste in the wastewater. A connecting pipe 106 is fixedly connected to the outside of the treatment box 1. The connecting pipe 106 connects the upper layer and the middle layer inside the treatment box 1. A fixed plate 201 is fixedly connected inside the treatment box 1. A waste collection frame 2 is fixedly connected inside the fixed plate 201. The waste collection frame 2 is located inside the treatment box 1. A rotating scooping mechanism is rotatably installed inside the treatment box 1. The rotating scooping mechanism scoops up large solid waste in the treatment box 1 and collects it into the waste collection frame 2. An air flotation impurity removal mechanism is installed inside the treatment box 1. The air flotation impurity removal mechanism removes small particulate waste in the wastewater.

[0040] This device is installed on ships at sea to treat domestic wastewater. After the equipment is started, domestic wastewater is generated on the ship and added to the treatment tank 1 through the wastewater inlet 101. Since the domestic wastewater is generated intermittently, the rate at which it enters the treatment tank 1 is slow. After entering the treatment tank 1, the wastewater first passes through the waste collection box 2 and falls onto the top of the upper partition 1002. Some of the waste in the domestic wastewater remains in the waste collection box 2. At this time, the control motor 103 is started. The control motor 103 drives the rotating retrieval mechanism through the transmission shaft 104. The rotating retrieval mechanism will remove the domestic wastewater from the upper part of the treatment tank 1. Solid waste in the wastewater is retrieved and sent into the waste collection box 2. As the amount of domestic wastewater in the treatment tank 1 increases, the domestic wastewater will gradually rise to the same height as the bottom baffle 1052. As the domestic wastewater continues to be discharged into the treatment tank 1, the domestic wastewater at the top of the upper baffle 1002 will pass through the coarse filter plate 1051 and flow to the upper right end of the treatment tank 1. Then it will flow from the upper right end of the treatment tank 1 to the middle right end. The control motor 103 can also drive the air flotation impurity removal mechanism through the transmission shaft 104. When the air flotation impurity removal mechanism is running, it will treat the domestic wastewater at the middle right end of the treatment tank 1 to remove small particles and grease and other waste.

[0041] Example 2: Based on Example 1, such as Figures 2-5 As shown, the rotating retrieval mechanism includes a rotating retrieval plate 203, a rotating frame 205, a rotating cam 211, a connecting rod 212, and a scraper assembly. The rotating cam 211 is rotatably connected inside the fixed plate 105, and the rotating cam 211 is also rotatably connected to the drive shaft 104. The two rotating cams 211 are connected to each other through the connecting rod 212. The rotating frame 205 is rotatably connected inside the processing box 1. The rotating cam 211 inside the fixed plate 105 is fixedly connected to the rotating frame 205. The rotating retrieval plate 203 is fixedly connected to the rotating frame 205. The rotating retrieval plate 203 has water-permeable holes. The rotating retrieval plate 203 rotates with the rotating frame 205 and retrieves large pieces of solid waste from the wastewater. The scraper assembly is installed inside the rotating frame 205. The scraper assembly is used to scrape the retrieved waste off the rotating retrieval plate 203 and make it fall into the waste collection frame 2.

[0042] After the control motor 103 starts, under the action of the connecting rod 212 and the transmission shaft 104, the two rotating cams 211 rotate synchronously. When the rotating cams 211 in the fixed plate 105 rotate, they drive the rotating frame 205 to rotate. During the rotation of the rotating frame 205, the rotating scooping plate 203 rotates accordingly. When the rotating scooping plate 203 rotates in the domestic wastewater in the treatment tank 1, it will scoop up the solid waste in the domestic wastewater. When the rotating scooping plate 203 rotates to the top opening of the waste collection frame 2, the scraping component will operate and scrape the waste scooped up by the rotating scooping plate 203 into the waste collection frame 2 for recycling. As the rotating scooping plate 203 continues to rotate, the scraping component will automatically move and reset.

[0043] like Figures 2-4 As shown, the slag scraping assembly includes a sliding scraper frame 204, a rotating rod 206, a rotating connecting rod 207, a torsion spring 208, a toggle plate 209, and a wedge block 210. The sliding scraper frame 204 is slidably connected to the outside of the rotating scooping plate 203. The sliding scraper frame 204 slides along the rotating scooping plate 203 and scrapes the waste on its surface into the waste collection frame 2. The rotating rod 206 is rotatably connected inside the rotating frame 205. A rotating connecting rod 207 is rotatably connected to one end of the rotating rod 206 away from the rotating frame 205. The other end of the rotating connecting rod 207 is rotatably connected to the sliding scraper frame 204. A toggle plate 209 is fixedly connected to the lever 206. A torsion spring 208 is provided between the toggle plate 209 and the rotating frame 205. The torsion spring 208 is used to drive the lever 206 to rotate and reset around the rotating frame 205 through the toggle plate 209. The two ends of the torsion spring 208 are fixed to the toggle plate 209 and the rotating frame 205 respectively. A wedge block 210 is fixed at the same height on the inner side of the fixed plate 105 and the fixed plate 201. The toggle plate 209 will contact the wedge block 210 during the rotation of the rotating frame 205, and then rotate around the rotating frame 205 under the action of the wedge block 210.

[0044] During the rotation of the rotating frame 205, the rotating rod 206, rotating connecting rod 207, torsion spring 208, and actuating plate 209 rotate accordingly. The sliding scraper frame 204 is located at the outermost edge of the rotating retrieval plate 203 and rotates accordingly. When the rotating retrieval plate 203 rotates to the top opening of the waste collection frame 2, the actuating plate 209 will contact the wedge block 210. As the rotating frame 205 continues to rotate, under the action of the wedge block 210, the actuating plate 209 will drive the rotating rod 206 to rotate around the rotating frame 205. At this time, the torsion spring 208 stores and deforms, and the rotating rod 206 pulls the sliding scraper frame 204 along the rotating connecting rod 207. The rotating retrieval plate 203 slides, thereby scraping off the waste material stuck to its surface. When the actuating plate 209 disengages from the wedge block 210, the sliding scraper frame 204 slides to the end of the rotating retrieval plate 203 that is close to the rotating frame 205. At this time, under the action of the torsion spring 208, the rotating rod 206 rotates around the rotating frame 205 to reset, and the actuating plate 209 resets accordingly. Since the rotating retrieval plate 203 rotates with the rotating frame 205 at this time, the sliding scraper frame 204 is subjected to a certain centrifugal force, and the sliding scraper frame 204 slides along the rotating retrieval plate 203 to reset, and the rotating connecting rod 207 also resets accordingly.

[0045] like Figures 8-10As shown, the air flotation impurity removal mechanism includes an air inlet 1001, a waste support plate 1004, a rotating shaft 4, a bevel gear transmission component 401, a scraper turntable 402, an air pumping pipe 403, an air outlet plate 404, a partition plate 405, a one-way air valve 406, a lifting connecting rod 407, an L-shaped sliding rod 408, an air pumping piston 409, and a conveying pipe 410. The rotating shaft 4 is rotatably connected inside the upper partition plate 1002. The rotating shaft 4 is connected to the transmission shaft 104 through the bevel gear transmission component 401. The transmission shaft 104 drives the rotating shaft 4 to rotate through the bevel gear transmission component 401. The bottom of the rotating shaft 4 passes through the upper partition 1002 and is fixedly connected to a scraper turntable 402. A scraper rod is installed at the bottom of the scraper turntable 402. The scraper turntable 402 rotates with the rotating shaft 4. A partition plate 405 is fixedly connected inside the processing box 1. An air pump pipe 403 is fixedly connected inside the partition plate 405. An air outlet plate 404 is fixedly connected to the other end of the air pump pipe 403. An air hole is opened on the partition plate 405 and communicates with the air pump pipe 403. A one-way air valve 406 is installed in the air hole on the partition plate 405. An air inlet 1001 is opened on the front side of the processing box 1. The air inlet 1001 is connected to the partition plate 405. The air vents on plate 405 are connected. An L-shaped slide rod 408 is slidably connected inside the bottom baffle 1052. A lifting rod 407 is hinged to the connecting rod 212. The other end of the lifting rod 407 is hinged to the L-shaped slide rod 408. During the rotation of the rotating cam 211, the L-shaped slide rod 408 is driven to slide up and down along the bottom baffle 1052 through the connecting rod 212 and the lifting rod 407. An air pumping piston 409 is slidably connected inside the air pumping pipe 403. The bottom of the L-shaped slide rod 408 is fixedly connected to the air pumping piston 409. The L-shaped slide rod 408 drives the air pumping piston 409 up and down. During the movement, high-pressure gas is ejected outward through the air outlet plate 404 to form microbubbles in the wastewater. A conveying pipe 410 is fixedly connected to the lower partition plate 1003. One end of the conveying pipe 410 passes through the partition plate 405 and is equipped with a valve. The other end of the conveying pipe 410 passes through the lower partition plate 1003. The conveying pipe 410 connects the middle layer and the lower layer of the treatment box 1. A waste residue support plate 1004 is fixedly connected inside the treatment box 1. The waste residue support plate 1004 is located at the top of the conveying pipe 410 and is used to receive the waste material scraped off from the top of the wastewater by the scraper turntable 402.

[0046] After passing through the coarse filter plate 1051, the domestic wastewater flows along the conveying pipe 410 into the treatment tank on the right side of the partition plate 405 in the middle layer of the treatment tank 1. When the top surface of the domestic wastewater in the treatment tank is flush with the top surface of the partition plate 405, the valve at the bottom of the connecting pipe 106 is closed. During the process of controlling the motor 103 to drive the drive shaft 104 to rotate, the drive shaft 104 adjusts the rotation of the rotating shaft 4 through the bevel gear transmission component 401. The rotating shaft 4 drives the scraper turntable 402 to rotate. When the drive shaft 104 rotates, it passes through the rotating cam 211. The connecting rod 212 drives the lifting link 407 to move up and down. The lifting link 407 drives the L-shaped slide bar 408 to slide up and down along the bottom baffle 1052. During the sliding process of the L-shaped slide bar 408, it will drive the air piston 409 to slide up and down along the air pipe 403. When the air piston 409 rises, under the action of the one-way air valve 406, it will draw high-pressure gas from the air inlet 1001 into the air pipe 403. When the air piston 409 falls, it will blow the pressurized gas in the air pipe 403 out from the air outlet plate 404. The gas outlet plate 404 is existing technology. The gas discharged through the gas outlet plate 404 forms microbubbles. The microbubbles combine with tiny particles and waste such as grease in the domestic wastewater to form a bubble-particle composite. Under the action of buoyancy, the composite floats upward to the top of the domestic wastewater. During the rotation of the scraper turntable 402, the scraper at the bottom pushes the waste residue on the surface of the domestic wastewater to the other end of the partition plate 405. The waste residue on the surface of the domestic wastewater will eventually be pushed to the top of the waste residue support plate 1004. After the domestic wastewater in the treatment tank is treated by the air flotation method for a certain period of time, the waste in the domestic wastewater is cleaned up. At this time, the valve at the right end of the conveying pipe 410 is opened, and the treated domestic wastewater in the treatment tank is sent to the lower layer of the treatment tank 1 along the conveying pipe 410. When the treated domestic wastewater in the treatment tank is finished, the valve at the right end of the conveying pipe 410 is closed, and then the valve at the bottom of the connecting pipe 106 is opened. The domestic wastewater at the upper right end of the treatment tank 1 will flow down into the treatment tank along the connecting pipe 106 and repeat the above process.

[0047] Example 3: Based on Example 2, such as Figure 6 and Figure 7 As shown, it also includes an anti-clogging component to prevent the coarse filter plate 1051 from being blocked. The anti-clogging component includes a T-shaped slide rod 3, a lifting frame 301, and a sliding scraper 302. The T-shaped slide rod 3 is slidably connected inside the fixed plate 105. The T-shaped slide rod 3 contacts the rotating cam 211 inside the fixed plate 105. During the rotation of the rotating cam 211, the T-shaped slide rod 3 is pushed and slides up and down along the fixed plate 105. The lifting frame 301 is slidably connected outside the fixed plate 105. The T-shaped slide rod 3 is fixedly connected to the lifting frame 301. The sliding scraper 302 is slidably connected inside the processing box 1. The sliding scraper 302 contacts the coarse filter plate 1051. The sliding scraper 302 is fixedly connected to the lifting frame 301. The sliding scraper 302 can clean the coarse filter plate 1051.

[0048] During the rotation of the rotary cam 211 on the fixed plate 105, the rotary cam 211 pushes the T-shaped slide bar 3 and the lifting frame 301 to slide upward along the fixed plate 105. When the protruding part of the rotary cam 211 rotates to the highest point, the T-shaped slide bar 3 slides upward to the highest point. Then the rotary cam 211 continues to rotate, and the T-shaped slide bar 3 and the lifting frame 301 will slide downward to reset under their own gravity. During the up and down movement of the T-shaped slide bar 3 and the lifting frame 301, the sliding scraper 302 will slide up and down along the coarse filter plate 1051 to clean the surface of the coarse filter plate 1051.

[0049] like Figure 3 and Figure 8 As shown, it also includes a squeezing assembly for squeezing out sewage from the large pieces of debris that have been retrieved. The squeezing assembly includes a spiral conveying roller 202, a squeezing baffle 5, and a tension spring 501. The spiral conveying roller 202 is fixedly connected inside the rotating frame 205. The spiral conveying roller 202 is located inside the waste collection frame 2. The squeezing baffle 5 is fitted over the spiral conveying roller 202. The squeezing baffle 5 is connected to the fixed plate 201 by the tension spring 501. One end of the tension spring 501 is fixed to the squeezing baffle 5, and the other end is fixed to the fixed plate 201.

[0050] When the rotating frame 205 rotates, it drives the screw conveyor roller 202 to rotate. As the screw conveyor roller 202 rotates, it pushes the waste material in the waste collection frame 2 towards the extrusion baffle 5. As the waste material accumulates at the extrusion baffle 5, the extrusion pressure on the waste material on one side of the extrusion baffle 5 continuously increases, squeezing out the moisture from the waste. When the amount of waste material near the extrusion baffle 5 in the waste collection frame 2 increases to a certain level, the screw conveyor roller 202 continues to convey waste material towards the extrusion baffle 5. Under the push of the waste material, the extrusion baffle 5 is... Pushing and sliding along the shaft of the spiral conveyor roller 202, the tension spring 501 is stretched, and a gap appears between the extrusion baffle 5 and the left end of the waste collection frame 2. The waste at the leftmost end of the waste collection frame 2 falls out through the gap. After the waste is squeezed out, the tension spring 501 will pull the extrusion baffle 5 to slide back to its original position and cover the left end outlet 102 of the waste collection frame 2 again. The spiral conveyor roller 202 continuously conveys waste to the left. With the cooperation of the extrusion baffle 5 and the tension spring 501, the waste is squeezed and sent out from the left end outlet 102 of the waste collection frame.

[0051] like Figure 8 and Figures 11-13As shown, it also includes an aeration mechanism for aerating the filtered wastewater. The aeration mechanism includes an aeration cylinder 6, a fixed column 601, a cam drive assembly 602, a rotating aeration rod 6021, an aeration piston 6022, an air inlet pipe 603, a rotating pipe 605, an aeration pipe 607, and a rotating stirring assembly. The aeration cylinder 6 is fixedly connected to the outside of the treatment tank 1, and the fixed column 601 is fixedly connected to the aeration cylinder 6. The fixed column 601 is connected to the spiral conveying roller 202 through the cam drive assembly 602. The spiral conveying roller 202 drives the cam drive assembly 602 to rotate. The aeration piston 6022 is slidably connected inside the aeration cylinder 6. A rotating aeration rod 6021 is rotatably connected to the top of the aeration piston 6022. The top of the rotating aeration rod 6021 is rotatably connected to the cam transmission assembly 602. An air inlet pipe 603 is fixedly connected to the outside of the aeration cylinder 6, and the air inlet pipe 603 is connected to the aeration cylinder 6. A rotating tube 605 is rotatably connected inside the treatment box 1. An aeration pipe 607 is provided outside the rotating tube 605. The aeration cylinder 6 is connected to the rotating tube 605, and the aeration pipe 607 is fixedly connected to the outside of the rotating tube 605. The aeration piston 6022 can discharge the gas in the aeration cylinder 6 to the outside through the rotating tube 605 and the aeration pipe 607.

[0052] The treated domestic wastewater is sent to the lower layer of treatment tank 1 through conveying pipe 410. When the spiral conveying roller 202 rotates, it drives the rotating aeration rod 6021 to move up and down through the cam transmission group 602. The rotating aeration rod 6021 drives the aeration piston 6022 to slide up and down in the aeration cylinder 6. When the aeration piston 6022 rises, it draws external gas into the aeration cylinder 6 from the air inlet pipe 603. When the aeration piston 6022 falls, it pushes the gas in the aeration cylinder 6 into the rotating pipe 605. The gas in the rotating pipe 605 is finally injected into the domestic wastewater in the lower layer of treatment tank 1 through the aeration pipe 607. When air is pumped into the rotating pipe 605, the rotating pipe 605 is driven to rotate under the drive of the rotating stirring component to evenly inject air into the domestic wastewater.

[0053] like Figure 11 and Figure 12 As shown, the rotary mixing assembly includes a conical acceleration tube 604, a fan blade 6051, and a stirring rod 606. The aeration cylinder 6 and the rotary tube 605 are connected through the conical acceleration tube 604. The gas in the aeration cylinder 6 is accelerated and flows into the rotary tube 605 through the conical acceleration tube 604. The fan blade 6051 is fixed inside the rotary tube 605. The fan blade 6051 inside the rotary tube 605 is rotated by the high-speed airflow. The stirring rod 606 is fixed outside the rotary tube 605. The stirring rod 606 is sleeved outside the aeration tube 607. The stirring rod 606 rotates with the rotary tube 605 to agitate the wastewater and at the same time drive the aeration tube 607 to rotate, so as to evenly inject air into the wastewater.

[0054] When the aeration piston 6022 moves downward along the aeration cylinder 6 and pushes the gas inside out, the gas in the aeration cylinder 6 flows into the rotating tube 605 through the conical acceleration tube 604. Because the conical acceleration tube 604 has a large inlet and a small outlet, the airflow is accelerated after passing through the conical acceleration tube 604. The airflow after passing through the conical acceleration tube 604 enters the rotating tube 605 and comes into contact with the fan blades 6051 inside. The fan blades 6051 are impacted by the high-speed airflow and drive the rotating tube 605 to rotate. The stirring rod 606 outside the rotating tube 605 rotates accordingly and agitates the domestic wastewater.

[0055] like Figure 12 and Figure 13 As shown, it also includes a blocking assembly to prevent wastewater from flowing back into the rotating pipe 605. The blocking assembly includes a blocking plug 608 and a spring 609. The blocking plug 608 is slidably connected to the stirring rod 606. The blocking plug 608 and the stirring rod 606 are connected by the spring 609. One end of the spring 609 is fixed to the blocking plug 608 and the other end is fixed to the stirring rod 606. Under the action of the spring 609, the blocking plug 608 is pressed against the air outlet of the aeration pipe 607.

[0056] The blocking plug 608 is pressed against the air outlet of the aeration pipe 607 by the spring 609. When the aeration piston 6022 slides downward along the aeration cylinder 6, the blocking plug 608 is pushed open by the gas and compresses the spring 609 under the impact of the airflow, so that the airflow enters the domestic wastewater from the air outlet of the aeration pipe 607. When the aeration piston 6022 slides upward along the aeration cylinder 6, the blocking plug 608 is pressed back against the air outlet of the aeration pipe 607 by the downward push of the spring 609 to prevent the domestic wastewater from flowing back into the aeration pipe 607.

[0057] A continuous wastewater treatment method, using the aforementioned continuous wastewater treatment equipment, includes the following steps:

[0058] Step 1: Add domestic wastewater into treatment tank 1 through wastewater inlet 101, start control motor 103, control motor 103 drives rotating frame 205 to rotate through transmission shaft 104. Rotating scooping plate 203 on rotating frame 205 scoops up large particles of wastewater during rotation. As rotating scooping plate 203 rotates, the scooped waste falls into waste collection box 2 for recycling. After the wastewater passes over bottom baffle 1052, it will pass through coarse filter plate 1051, while large particles of wastewater are blocked by coarse filter plate 1051.

[0059] Step 2: Wastewater passing through the coarse filter plate 1051 flows along the connecting pipe 106 into the treatment tank between the upper partition plate 1002, the lower partition plate 1003, and the partition plate 405. When the top surface of the wastewater in the treatment tank is flush with the top surface of the partition plate 405, the valve at the bottom of the connecting pipe 106 is closed. At this time, as the control motor 103 rotates continuously, the transmission shaft 104 drives the lifting connecting rod 407 to move up and down through the rotating cam 211 and the connecting rod 212. This, in turn, drives the air piston 409 to move up and down through the L-shaped slide rod 408 and injects gas into the treatment tank through the air outlet plate 404. The gas enters the treatment box 1 through the air outlet plate 404. Microbubbles are formed, and as they float upward, they combine with solid particles in the wastewater to form bubble-particle complexes. Eventually, the complexes float to the surface of the water, and the scraper turntable 402 pushes the complexes from the top of the partition plate 405 onto the waste residue support plate 1004. After a period of treatment, the solid particles in the wastewater are removed. At this time, the valve on the conveying pipe 410 is opened. After all the wastewater in the treatment tank flows out along the conveying pipe 410, the valve on the conveying pipe 410 is closed, and then the valve on the connecting pipe 106 is opened. The wastewater filtered by the coarse filter plate 1051 re-enters the treatment tank for further treatment.

[0060] Step 3: The wastewater treated by the air flotation method flows into the aeration tank at the bottom of the treatment tank 1 through the conveying pipe 410. The drive shaft 104 drives the cam drive group 602 to rotate through the spiral conveying roller 202. The cam drive group 602 drives the aeration piston 6022 to move up and down by rotating the aeration rod 6021. The aeration piston 6022 injects external air into the wastewater in the aeration tank through the aeration pipe 607 on the rotating pipe 605 to aerate the wastewater. The water after aeration treatment flows out from the outlet 102 at the bottom of the treatment tank 1.

[0061] The technical principles of the embodiments of the present invention have been described above with reference to specific examples. These descriptions are merely for explaining the principles of the embodiments of the present invention and should not be construed as limiting the scope of protection of the embodiments of the present invention in any way. Based on the explanation herein, those skilled in the art can conceive of other specific embodiments of the present invention without creative effort, and these embodiments will all fall within the scope of protection of the embodiments of the present invention.

Claims

1. A continuous wastewater treatment device, characterized in that it includes: The system includes a treatment box (1), an upper partition (1002), a lower partition (1003), a wastewater inlet (101), an outlet (102), a control motor (103), a drive shaft (104), a fixed plate (105), a coarse filter plate (1051), a bottom baffle (1052), a connecting pipe (106), a waste collection frame (2), a fixed plate (201), a rotating scooping mechanism, and an air flotation impurity removal mechanism. The upper partition (1002) and the lower partition (1003) are fixedly connected inside the treatment box (1). The upper partition (1002) and the lower partition (1003) separate the treatment box (1) into three layers: upper, middle, and lower. The top of the treatment box (1) has a wastewater inlet (101), and the bottom of the treatment box (1) has an outlet (102). The outside of the treatment box (1) is fixedly connected to a control motor (103). The rotating connection inside the treatment box (1) is connected to the control motor. A drive shaft (104) is connected to the output shaft of the control motor (103) and the drive shaft (104) are fixedly connected. A fixed plate (105) and a bottom baffle (1052) are fixedly connected inside the treatment box (1). A coarse filter plate (1051) is fixedly connected between the fixed plate (105) and the bottom baffle (1052). A connecting pipe (106) is fixedly connected outside the treatment box (1). The connecting pipe (106) connects the upper and middle layers inside the treatment box (1). A fixed plate (201) is fixedly connected inside the treatment box (1). A waste collection frame (2) is fixedly connected inside the fixed plate (201). A rotating scooping mechanism is installed inside the treatment box (1). The rotating scooping mechanism scoops up large solid waste in the treatment box (1) and collects it into the waste collection frame (2). An air flotation impurity removal mechanism is installed inside the treatment box (1). The air flotation impurity removal mechanism removes small particulate waste in the wastewater. The rotating retrieval mechanism includes a rotating retrieval plate (203), a rotating frame (205), a rotating cam (211), a connecting rod (212), and a scraper assembly. The rotating cam (211) is rotatably connected inside the fixed plate (105), and the rotating cam (211) is also rotatably connected to the drive shaft (104). The two rotating cams (211) are connected to each other through the connecting rod (212). The rotating frame (205) is rotatably connected inside the processing box (1). The rotating cam (211) inside the fixed plate (105) is fixedly connected to the rotating frame (205). The rotating retrieval plate (203) is fixedly connected to the rotating frame (205). The scraper assembly is installed inside the rotating frame (205). The scraper assembly is used to scrape the retrieved waste from the rotating retrieval plate (203) and make it fall into the waste collection box (2). The slag scraping assembly includes a sliding scraper frame (204), a rotating rod (206), a rotating connecting rod (207), a torsion spring (208), a deflector plate (209), and a wedge block (210). The sliding scraper frame (204) is slidably connected to the outside of the rotating scooping plate (203). The rotating rod (206) is rotatably connected to the inside of the rotating frame (205). The rotating rod (206) is rotatably connected to the rotating connecting rod (207) at one end away from the rotating frame (205). The other end of the rotating connecting rod (207) is rotatably connected to the sliding scraper frame (204). The deflector plate (209) is fixedly connected to the rotating rod (206). A torsion spring (208) is provided between the deflector plate (209) and the rotating frame (205). The wedge block (210) is fixedly connected to the same height on the inner side of the fixed plate (105). The deflector plate (209) will contact the wedge block (210) during the rotation of the rotating frame (205). It also includes an anti-clogging component to prevent the coarse filter plate (1051) from being blocked. The anti-clogging component includes a T-shaped slide bar (3), a lifting frame (301) and a sliding scraper (302). The T-shaped slide bar (3) is slidably connected inside the fixed plate (105), and the lifting frame (301) is slidably connected outside the fixed plate (105). The T-shaped slide bar (3) is fixedly connected to the lifting frame (301). The sliding scraper (302) is slidably connected inside the processing box (1). The sliding scraper (302) is fixedly connected to the lifting frame (301). It also includes a squeezing assembly for squeezing out sewage from large pieces of debris. The squeezing assembly includes a spiral conveying roller (202), a squeezing baffle (5) and a tension spring (501). The spiral conveying roller (202) is fixed inside the rotating frame (205). The spiral conveying roller (202) is located inside the waste collection frame (2). The spiral conveying roller (202) is covered with a squeezing baffle (5). The squeezing baffle (5) is connected to the fixed plate (201) by a tension spring (501).

2. The wastewater continuous treatment equipment according to claim 1, characterized in that, The air flotation impurity removal mechanism includes an air inlet (1001), a waste residue support plate (1004), a rotating shaft (4), a bevel gear transmission component (401), a scraper turntable (402), an air pumping pipe (403), an air outlet plate (404), a partition plate (405), a one-way air valve (406), a lifting connecting rod (407), an L-shaped slide bar (408), an air pumping piston (409), and a conveying pipe (410). The rotating shaft (4) is rotatably connected inside the upper partition plate (1002). The rotating shaft (4) is connected to the drive shaft (104) via a bevel gear transmission component (401). The bottom of the rotating shaft (4) passes through the upper partition plate (1002) and is fixedly connected to the scraper turntable (402). A partition plate (405) is fixedly connected inside the processing box (1). An air pump pipe (403) is fixedly connected inside the partition plate (405). An air outlet plate (404) is fixedly connected to the other end of the air pump pipe (403). An air hole is opened on the partition plate (405), and the air hole communicates with the air pump pipe (403). The partition plate (405) has an air hole. A one-way air valve (406) is installed inside the air vent. An air inlet (1001) is opened on the front side of the processing box (1). The air inlet (1001) is connected to the air vent on the partition plate (405). An L-shaped slide rod (408) is slidably connected inside the bottom baffle (1052). A lifting connecting rod (407) is hinged on the connecting rod (212). The other end of the lifting connecting rod (407) is hinged to the L-shaped slide rod (408). An air pumping piston (409) is slidably connected inside the air pumping pipe (403). The bottom of the slide rod (408) is fixed to the air piston (409). A conveying pipe (410) is fixed to the lower partition (1003). One end of the conveying pipe (410) passes through the partition plate (405) and is equipped with a valve. The other end of the conveying pipe (410) passes through the lower partition (1003). The conveying pipe (410) connects the middle layer and the lower layer of the processing box (1). A waste residue support plate (1004) is fixed inside the processing box (1). The waste residue support plate (1004) is located at the top of the conveying pipe (410).

3. A continuous wastewater treatment device according to claim 2, characterized in that, It also includes an aeration mechanism for aerating the filtered wastewater. The aeration mechanism includes an aeration cylinder (6), a fixed column (601), a cam drive assembly (602), a rotating aeration rod (6021), an aeration piston (6022), an air inlet pipe (603), a rotating pipe (605), an aeration pipe (607), and a rotating stirring assembly. An aeration cylinder (6) is fixedly connected to the outside of the treatment tank (1). A fixed column (601) is fixedly connected to the aeration cylinder (6). The fixed column (601) is connected to the spiral conveyor roller (202) through the cam drive assembly (602). An aeration piston is slidably connected inside the aeration cylinder (6). 6022), the top of the aeration piston (6022) is rotatably connected to a rotating aeration rod (6021), the top of the rotating aeration rod (6021) is rotatably connected to the cam transmission group (602), the aeration cylinder (6) is fixedly connected to an air inlet pipe (603), the air inlet pipe (603) is connected to the aeration cylinder (6), the treatment box (1) is rotatably connected to a rotating pipe (605), the rotating pipe (605) is provided with an aeration pipe (607), the aeration cylinder (6) is connected to the rotating pipe (605), the rotating pipe (605) is fixedly connected to the rotating pipe (605), the rotating pipe (605) is connected to the aeration pipe (607).

4. A continuous wastewater treatment device according to claim 3, characterized in that, The rotary mixing assembly includes a conical acceleration tube (604), a fan blade (6051), and a stirring rod (606). The aeration cylinder (6) and the rotary tube (605) are connected through the conical acceleration tube (604). The fan blade (6051) is fixed inside the rotary tube (605), and the stirring rod (606) is fixed outside the rotary tube (605). The stirring rod (606) is sleeved outside the aeration tube (607).

5. A continuous wastewater treatment device according to claim 4, characterized in that, It also includes a blocking assembly to prevent wastewater from flowing back into the rotating tube (605). The blocking assembly includes a blocking plug (608) and a spring (609). The blocking plug (608) is slidably connected to the stirring rod (606), and the blocking plug (608) and the stirring rod (606) are connected by the spring (609).

6. A continuous wastewater treatment method, characterized in that, The wastewater continuous treatment equipment according to any one of claims 1-5 includes the following steps: Step 1: Add domestic wastewater into the treatment tank (1) through the wastewater inlet (101), start the control motor (103), the control motor (103) drives the rotating frame (205) to rotate through the transmission shaft (104), the rotating scooping plate (203) on the rotating frame (205) scoops up large particles of wastewater during the rotation process, and as the rotating scooping plate (203) rotates continuously, the scooped waste will fall into the waste collection box (2) for recycling. After the wastewater is submerged above the bottom baffle (1052), it will pass through the coarse filter plate (1051), while the large particles of wastewater are blocked by the coarse filter plate (1051); Step 2: Wastewater passing through the coarse filter plate (1051) will flow along the connecting pipe (106) to the treatment tank between the upper partition plate (1002), the lower partition plate (1003), and the partition plate (405). When the top surface of the wastewater in the treatment tank is flush with the top surface of the partition plate (405), the valve at the bottom of the connecting pipe (106) is closed. At this time, as the control motor (103) rotates continuously, the transmission shaft (104) drives the lifting connecting rod (407) to move up and down through the rotating cam (211) and the connecting rod (212), and then drives the air piston (409) to move up and down through the L-shaped slide rod (408) and injects gas into the treatment tank through the air outlet plate (404). The gas enters the treatment tank through the air outlet plate (404). The gas in the treatment tank (1) forms microbubbles. As the microbubbles float upward, they combine with solid particles in the wastewater to form a bubble-particle composite. Finally, the composite floats to the water surface. The scraper turntable (402) pushes the composite on the top of the wastewater from the top of the partition plate (405) to the waste residue support plate (1004). After a period of treatment, the solid particles in the wastewater are removed. At this time, the valve on the conveying pipe (410) is opened. After all the wastewater in the treatment tank flows out along the conveying pipe (410), the valve on the conveying pipe (410) is closed, and the valve on the connecting pipe (106) is opened. The wastewater filtered by the coarse filter plate (1051) re-enters the treatment tank for treatment. Step 3: The wastewater treated by the air flotation method flows into the aeration tank at the bottom of the treatment tank (1) through the conveying pipe (410). The drive shaft (104) drives the cam drive group (602) to rotate through the spiral conveying roller (202). The cam drive group (602) drives the aeration piston (6022) to move up and down by rotating the aeration rod (6021). The aeration piston (6022) injects external air into the wastewater in the aeration tank through the aeration pipe (607) on the rotating pipe (605) to aerate the wastewater. The water after aeration treatment flows out from the outlet (102) at the bottom of the treatment tank (1).

Images