A device for treating acetaldehyde wastewater

Abstract

The invention discloses a device for treating acetaldehyde wastewater, which relates to the technical field of wastewater treatment. The device comprises a shell, wherein an input end of the shell is fixedly connected with a water inlet pipe, a bottom output end of the shell is fixedly connected with a sewage pipe, a top output end of the shell is fixedly connected with a drainage pipe, an output end of the water inlet pipe is fixedly connected with a branch pipe, the other end of the branch pipe is fixedly connected with a nozzle, an adjusting device is fixedly installed on the outer wall of the shell, and a connecting device is fixedly installed on the top of the shell. In the present invention, an output shaft drives a slewing bearing to rotate through a first gear, the slewing bearing drives a second gear to rotate, the second gear drives a rotating rod to rotate, the rotating rod drives a cleaning brush to rotate through a first push rod, and the surface of a metal filter screen is cleaned by the cleaning brush to prevent the metal filter screen from being blocked when in use.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, and in particular to a device for treating acetaldehyde wastewater. Background Art

[0002] Acetaldehyde can be used to prepare fruit flavors such as tangerine, orange, apricot, and strawberry. It can also be used in wine flavors such as wine, rum, and whiskey. Its production process will also produce corresponding industrial wastewater, which needs to be treated with a reasonable acetaldehyde production wastewater treatment process before it can be discharged.

[0003] For example, the Chinese patent application document with publication number CN110790438A discloses a wastewater recycling treatment device in acetaldehyde production, which records "including a wastewater treatment box, a wastewater pipe, an acetaldehyde air pipe, a partition plate, a guide pipe, a pluggable and replaceable heating seat structure, a filter and cleaning frame structure, a sampling diversion pipe structure, a display and observation central control box structure, a temperature sensor, a liquid level sensor, a first solenoid valve, a filter box and a water quality sensor". The fixed sealing cover, filter frame, activated carbon filter, stainless steel mesh and carbon fiber filter and filter box of the present invention are arranged in coordination with each other, which is conducive to filtering the wastewater through the activated carbon filter, stainless steel mesh and carbon fiber filter, which is convenient for removing impurities in the wastewater and is also conducive to recycling the wastewater.

[0004] Therefore, a filter box is required in the acetaldehyde wastewater treatment device to separate the solid impurities in the water into solid and liquid.

[0005] However, the following defects or problems still exist in combination with the prior art: however, the filter box in the acetaldehyde wastewater treatment device currently on the market has a simple structure and is easily clogged during use, resulting in poor filtering effect of the filter element after long-term use. At the same time, the filter box in the existing acetaldehyde wastewater treatment device lacks a protective device. For this reason, we propose an acetaldehyde wastewater treatment device. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a treatment device for acetaldehyde wastewater.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A device for treating acetaldehyde wastewater, comprising a shell, an input end of the shell is fixedly connected to a water inlet pipe, a bottom output end of the shell is fixedly connected to a sewage pipe, a top output end of the shell is fixedly connected to a drainage pipe, an output end of the water inlet pipe is fixedly connected to a branch pipe, the other end of the branch pipe is fixedly connected to a nozzle, an outer wall of the shell is fixedly installed with an adjustment device, a top end of the shell is fixedly installed with a connecting device, a top end of the shell is fixedly installed with a motor, an output end of the motor is fixedly connected with an output shaft, an outer wall of the output shaft is sleeved with a first gear, the first gear is meshed with a slewing bearing, the slewing bearing is meshed with a second gear, a top plate is fixedly installed at the top of the shell, a bottom inner wall of the shell is fixedly connected with a first isolation plate, and a filtering device is fixedly installed on the upper surface of the first isolation plate;

[0009] The filtering device comprises an outer cover, a metal filter screen, a quartz sand layer and an activated carbon layer are fixedly installed inside the outer cover, a rotating rod is arranged inside the outer cover, and an opening is opened at the bottom of the outer cover.

[0010] Preferably, the metal filter, quartz sand layer, and activated carbon layer are arranged in sequence from the inside to the outside of the outer cover, and the nozzle is located inside the outer cover. The sewage gradually penetrates into the outside of the outer cover through the outer cover, the metal filter, and the quartz sand layer in sequence to complete the filtration.

[0011] Preferably, a cavity is provided inside the rotating rod, and a piston tube is provided inside the rotating rod located in the cavity, an air inlet hole is provided on the middle outer wall of the piston tube, a first piston is slidably connected to the inner wall of the piston tube, a first push rod is fixedly connected to one side of the first piston, and a cleaning brush is fixedly connected to the other end of the first push rod, the cleaning brush is located outside the rotating rod, and the cleaning brush corresponds to the metal filter screen, when the internal air pressure of the rotating rod increases, the gas enters the piston tube through the air inlet hole, so that the internal air pressure of the piston tube increases, and at this time the first piston drives the first push rod to move outward, and the first push rod drives the cleaning brush to move so that the cleaning brush contacts the metal filter screen.

[0012] Preferably, a sleeve is fixedly installed on the inner wall of the cavity, and a limiting rod is sleeved inside the sleeve. The other end of the limiting rod passes through and extends to the outside of the rotating rod. The extended end of the limiting rod is fixedly connected to the side wall of the cleaning brush. The limiting rod can support and protect the cleaning brush and improve the stability of the device.

[0013] Preferably, the adjusting device includes an air cylinder, the inner wall of which is slidably connected to a second piston, the bottom of which is fixedly connected to a second push rod, a limiting block is provided on the bottom side wall of the air cylinder, a limiting groove is provided on the bottom side wall of the second push rod, the size of the limiting block matches the size of the limiting groove, and a through hole is provided at the bottom of the air cylinder.

[0014] Preferably, the connecting device includes a connecting box, the top input end of the connecting box is fixedly connected to an air inlet pipe, the other end of the air inlet pipe is fixedly connected to the top output end of the gas cylinder, the output end of the connecting box is rotatably connected to an exhaust pipe through a bearing, the other end of the exhaust pipe passes through and extends to the interior of the rotating rod, pushing the second push rod upward, the second push rod drives the second piston to move upward, the second piston squeezes the gas in the gas cylinder into the connecting box through the air inlet pipe, and the gas in the connecting box enters the interior of the rotating rod through the exhaust pipe.

[0015] Preferably, a second isolation plate is fixedly installed on the top inner wall of the shell, and the second isolation plate is fixedly connected to the top of the outer cover. A through hole is provided on the outer surface of the first isolation plate, and the through hole at the first isolation plate corresponds to the opening. When the sewage pipe is opened, the sewage inside the outer cover enters the bottom of the shell through the opening, and the sewage impurities are discharged into the sewer through the sewage pipe.

[0016] Preferably, a mounting plate is fixedly installed on the top inner wall of the shell, and the mounting plate is fixedly connected to the slewing bearing by bolts, the top of the rotating rod is fixedly connected to the second gear, and the top end of the rotating rod is rotatably connected to the inner wall of the shell. When the motor is started, the motor drives the output shaft to rotate, the output shaft drives the slewing bearing to rotate through the first gear, the slewing bearing drives the second gear to rotate, and the second gear drives the rotating rod to rotate.

[0017] Preferably, the exterior is provided with a protective device, which includes a vertical pole arranged on the outside of the outer shell, the top of each vertical pole is welded with a fixing seat, the inner side of the fixing seat is fixedly connected with a connecting plate by screws, the outer wall of the vertical pole is movably connected with a telescopic frame, the top of the vertical pole is fixedly installed with a slide rail, the top of the telescopic frame is slidably connected to the outer wall of the slide rail, the bottom of the vertical pole is fixedly connected with a base by screws, the bottom end of the vertical pole is fixedly installed with a connecting rod, and the bottom outer wall of the vertical pole is fixedly installed with a supporting device.

[0018] Preferably, the supporting device includes a sliding rod, both ends of the sliding rod are fixedly connected to the outer wall of the vertical pole, the outer wall of the sliding rod is slidably connected to a sliding block, the outer wall of the sliding block is movably connected to a rocker rod, the outer wall of the sliding block is threadedly connected to a second fixing screw, the other end of the rocker rod is movably connected to a supporting rod, one end of the supporting rod is movably connected to the outer wall of the vertical pole, the other end of the supporting rod is movably sleeved with a supporting sleeve, and the outer wall of the supporting sleeve is threadedly connected to a first fixing screw.

[0019] The beneficial effects of the present invention are:

[0020] 1. In the present invention, the second push rod is pushed upward, and the second push rod drives the second piston to move upward. The second piston squeezes the gas in the gas cylinder into the connecting box through the air inlet pipe. The gas in the connecting box enters the interior of the rotating rod through the exhaust pipe. The internal air pressure of the rotating rod increases, and the gas enters the interior of the piston tube through the air inlet hole, so that the internal air pressure of the piston tube increases. At this time, the first piston drives the first push rod to move outward, and the first push rod drives the cleaning brush to move so that the cleaning brush contacts the metal filter.

[0021] 2. In the present invention, the output shaft drives the slewing bearing to rotate through the first gear, the slewing bearing drives the second gear to rotate, the second gear drives the rotating rod to rotate, the rotating rod drives the cleaning brush to rotate through the first push rod, and the surface of the metal filter is cleaned by the cleaning brush to prevent the metal filter from being blocked during use.

[0022] 3. In the present invention, after the use of the device is finished, water is injected into the outer shell through the drain pipe, the water pressure outside the outer cover increases, and the water seeps through the metal filter, the quartz sand layer, and the activated carbon layer, while flushing the impurities blocked inside the metal filter, the quartz sand layer, and the activated carbon layer. The sewage pipe is opened, and the sewage inside the outer cover enters the bottom of the outer shell through the opening, and the sewage impurities are discharged into the sewer through the sewage pipe.

[0023] 4. In the present invention, a telescopic frame is provided between the vertical poles to realize flexible adjustment of the distance between the two vertical poles, realize adaptive adjustment according to the protection range, improve the protection effect, swing the support rod downward, and adjust the position of the support sleeve at the same time so that the support sleeve contacts the ground. That is, the support device provided can provide auxiliary support for the vertical pole. The adjustment is simple and quick to ensure stable support of the vertical pole. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The present invention is a schematic structural diagram of an acetaldehyde wastewater treatment device.

[0025] Figure 2 A device for treating acetaldehyde wastewater according to the present invention Figure 1 Schematic diagram of the local structure at point A.

[0026] Figure 3 The present invention is a schematic structural diagram of a filtering device of an acetaldehyde wastewater treatment device.

[0027] Figure 4 A device for treating acetaldehyde wastewater according to the present invention Figure 3 Schematic diagram of the local structure at point B.

[0028] Figure 5 The present invention is a front view of a filtering device of an acetaldehyde wastewater treatment device.

[0029] Figure 6The present invention is a schematic structural diagram of a regulating device of an acetaldehyde wastewater treatment device.

[0030] Figure 7 The present invention is a schematic structural diagram of a connecting device of an acetaldehyde wastewater treatment device.

[0031] Figure 8 This is a schematic structural diagram of a second isolation plate of an acetaldehyde wastewater treatment device of the present invention.

[0032] Fig. 9 The present invention is a schematic structural diagram of a first gear, a slewing bearing, a mounting plate and a second gear of an acetaldehyde wastewater treatment device.

[0033] Fig.10 The present invention is a front view of the outer shell of an acetaldehyde wastewater treatment device.

[0034] Fig.11 The present invention is a front view of a protective device for an acetaldehyde wastewater treatment device.

[0035] Fig.12 The present invention is a schematic structural diagram of a fixing seat of a protective device for an acetaldehyde wastewater treatment device.

[0036] Fig.13 A protective device for an acetaldehyde wastewater treatment device of the present invention Fig.11 Schematic diagram of the local structure at point C in the middle.

[0037] Fig.14 The present invention is a schematic structural diagram of a slide bar of a protective device for an acetaldehyde wastewater treatment device.

[0038] Numbers in the figure: 1, housing; 2, water inlet pipe; 3, sewage pipe; 4, drainage pipe; 5, filtering device; 501, outer cover; 502, metal filter; 503, quartz sand layer; 504, activated carbon layer; 505, rotating rod; 5051, cavity; 5052, piston tube; 5053, air inlet hole; 5054, first piston; 5055, first push rod; 5056, cleaning brush; 5057, sleeve; 5058, limit rod; 506, opening; 6. First isolation plate; 7. Adjustment device; 701. Air cylinder; 702. Second piston; 703. Second push rod; 704. Stop block; 705. Stop groove; 8. Connecting device; 801. Connecting box; 802. Inlet pipe; 803. Exhaust pipe; 9. Motor; 10. Top plate; 11. Second isolation plate; 12. Branch pipe; 13. Sprinkler; 14. Output shaft; 15. First gear; 16. Slewing bearing; 17. Mounting plate; 18. Second gear;

[0039] 1901, vertical pole; 1902, fixed seat; 1903, connecting plate; 1904, telescopic frame; 1905, supporting device; 19051, sliding rod; 19052, sliding block; 19053, second fixing screw; 19054, rocker arm; 19055, supporting rod; 19056, supporting sleeve; 19057, first fixing screw; 1906, sliding rail; 1907, connecting rod; 1908, base. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0041] As attached Figure 1 To Attachment Fig.10 As shown:

[0042] A device for treating acetaldehyde wastewater comprises a shell 1, an input end of the shell 1 is fixedly connected to a water inlet pipe 2, a bottom output end of the shell 1 is fixedly connected to a sewage pipe 3, a top output end of the shell 1 is fixedly connected to a drainage pipe 4, an output end of the water inlet pipe 2 is fixedly connected to a branch pipe 12, the other end of the branch pipe 12 is fixedly connected to a nozzle 13, an outer wall of the shell 1 is fixedly installed with an adjustment device 7, a top end of the shell 1 is fixedly installed with a connecting device 8, a top end of the shell 1 is fixedly installed with a motor 9, an output end of the motor 9 is fixedly connected to an output shaft 14, an outer wall of the output shaft 14 is sleeved with a first gear 15, the first gear 15 is meshed with a slewing bearing 16, and the slewing bearing 16 is meshed with a second gear 18, a top plate 10 is fixedly installed at the top of the shell 1, a bottom inner wall of the shell 1 is fixedly connected to a first isolation plate 6, and a filtering device 5 is fixedly installed on the upper surface of the first isolation plate 6;

[0043] The filter device 5 comprises an outer cover 501 , inside of which a metal filter screen 502 , a quartz sand layer 503 , and an activated carbon layer 504 are fixedly installed. A rotating rod 505 is arranged inside the outer cover 501 , and an opening 506 is provided at the bottom of the outer cover 501 .

[0044] See also Figure 2-3 The metal filter 502, the quartz sand layer 503, and the activated carbon layer 504 are arranged in sequence from the inside to the outside of the outer cover 501, and the nozzle 13 is located inside the outer cover 501. The sewage gradually penetrates into the outside of the outer cover 501 through the outer cover 501, the metal filter 502, and the quartz sand layer 503 in sequence to complete the filtration.

[0045] See also Figure 3-4A cavity 5051 is provided inside the rotating rod 505, and a piston tube 5052 is provided inside the cavity 5051 of the rotating rod 505. An air inlet hole 5053 is provided on the middle outer wall of the piston tube 5052. A first piston 5054 is slidably connected to the inner wall of the piston tube 5052. A first push rod 5055 is fixedly connected to one side of the first piston 5054, and a cleaning brush 5056 is fixedly connected to the other end of the first push rod 5055. The cleaning brush 5056 is located outside the rotating rod 505, and the cleaning brush 5056 corresponds to the metal filter 502. When the internal air pressure of the rotating rod 505 increases, the gas enters the piston tube 5052 through the air inlet hole 5053, so that the internal air pressure of the piston tube 5052 increases. At this time, the first piston 5054 drives the first push rod 5055 to move outward, and the first push rod 5055 drives the cleaning brush 5056 to move so that the cleaning brush 5056 contacts the metal filter 502.

[0046] See also Figure 4 A sleeve 5057 is fixedly installed on the inner wall of the cavity 5051, and a limiting rod 5058 is sleeved inside the sleeve 5057. The other end of the limiting rod 5058 passes through and extends to the outside of the rotating rod 505. The extended end of the limiting rod 5058 is fixedly connected to the side wall of the cleaning brush 5056. The limiting rod 5058 can support and protect the cleaning brush 5056, thereby improving the stability of the device.

[0047] See also Figure 6 The adjusting device 7 includes an air cylinder 701, the inner wall of the air cylinder 701 is slidably connected to a second piston 702, the bottom of the second piston 702 is fixedly connected to a second push rod 703, a limiting block 704 is provided on the bottom side wall of the air cylinder 701, a limiting groove 705 is provided on the bottom side wall of the second push rod 703, the size of the limiting block 704 matches the size of the limiting groove 705, and a through hole is provided at the bottom of the air cylinder 701.

[0048] See also Figure 6-9 The connecting device 8 includes a connecting box 801, the top input end of the connecting box 801 is fixedly connected with an air inlet pipe 802, the other end of the air inlet pipe 802 is fixedly connected with the top output end of the gas cylinder 701, the output end of the connecting box 801 is rotatably connected with an exhaust pipe 803 through a bearing, the other end of the exhaust pipe 803 penetrates and extends into the interior of the rotating rod 505, pushes the second push rod 703 upward, the second push rod 703 drives the second piston 702 to move upward, the second piston 702 squeezes the gas in the gas cylinder 701 into the connecting box 801 through the air inlet pipe 802, and the gas in the connecting box 801 enters the interior of the rotating rod 505 through the exhaust pipe 803.

[0049] See also Figure 1-2 and Figure 8A second isolation plate 11 is fixedly installed on the top inner wall of the shell 1, and the second isolation plate 11 is fixedly connected to the top of the outer cover 501. A through hole is opened on the outer surface of the first isolation plate 6, and the through hole at the first isolation plate 6 corresponds to the opening 506. When the sewage pipe 3 is opened, the sewage inside the outer cover 501 enters the bottom of the shell 1 through the opening 506, and the sewage impurities are discharged into the sewer through the sewage pipe 3.

[0050] See also Fig. 9 A mounting plate 17 is fixedly mounted on the top inner wall of the housing 1, and the mounting plate 17 is fixedly connected to the slewing bearing 16 by bolts. The top of the rotating rod 505 is fixedly connected to the second gear 18, and the top of the rotating rod 505 is rotatably connected to the inner wall of the housing 1. When the motor 9 is started, the motor 9 drives the output shaft 14 to rotate, and the output shaft 14 drives the slewing bearing 16 to rotate through the first gear 15, and the slewing bearing 16 drives the second gear 18 to rotate, and the second gear 18 drives the rotating rod 505 to rotate.

[0051] As attached Fig.11 To Attachment Fig.14 As shown:

[0052] A protective device is provided on the outside of the housing 1, and the protective device includes a vertical pole 1901 arranged on the outside of the housing 1, a fixing seat 1902 is welded on the top of the vertical pole 1901, a connecting plate 1903 is fixedly connected to the inner side of the fixing seat 1902 by screws, an outer wall of the vertical pole 1901 is movably connected to a telescopic frame 1904, a slide rail 1906 is fixedly installed on the top of the vertical pole 1901, the top of the telescopic frame 1904 is slidably connected to the outer wall of the slide rail 1906, the bottom of the vertical pole 1901 is fixedly connected to a base 1908 by screws, a connecting rod 1907 is fixedly installed on the bottom end of the vertical pole 1901, and a supporting device 1905 is fixedly installed on the bottom outer wall of the vertical pole 1901.

[0053] See also Figure 11-14 The supporting device 1905 includes a sliding rod 19051, both ends of which are fixedly connected to the outer wall of the vertical pole 1901, the outer wall of the sliding rod 19051 is slidably connected to a slider 19052, the outer wall of the slider 19052 is movably connected to a rocker rod 19054, the outer wall of the slider 19052 is threadedly connected to a second fixing screw 19053, the other end of the rocker rod 19054 is movably connected to a support rod 19055, one end of the support rod 19055 is movably connected to the outer wall of the vertical pole 1901, the other end of the support rod 19055 is movably sleeved with a support sleeve 19056, and the outer wall of the support sleeve 19056 is threadedly connected to a first fixing screw 19057.

[0054] The specific usage and function of this embodiment are as follows:

[0055] When the present invention is used, for the acetaldehyde wastewater treatment device, firstly, the water inlet pipe 2 is connected to the external water inlet end pipe, the drain pipe 4 is connected to the external water outlet end pipe, and the sewage pipe 3 is connected to the external downpipe. After the whole device is connected, it starts to work, and the sewage enters the branch pipe 12 through the water inlet pipe 2, and is discharged into the inside of the filter device 5 through the nozzle 13. The water pressure inside the outer cover 501 gradually increases, so that the water slowly penetrates into the outside of the outer cover 501 through the outer cover 501, the metal filter screen 502 and the quartz sand layer 503, and the filtration is completed. The sewage is filtered by the filter device 5 and then discharged through the drain pipe 4;

[0056] For the above structure and process, please refer to Figure 1-3 .

[0057] The second push rod 703 is pushed upward, and the second push rod 703 drives the second piston 702 to move upward. The second piston 702 squeezes the gas in the gas cylinder 701 into the connecting box 801 through the air inlet pipe 802. The gas in the connecting box 801 enters the interior of the rotating rod 505 through the exhaust pipe 803. The internal air pressure of the rotating rod 505 increases. The gas enters the interior of the piston tube 5052 through the air inlet hole 5053, so that the internal air pressure of the piston tube 5052 increases. At this time, the first piston 5054 drives the first push rod 5055 to move outward, and the first push rod 5055 drives the cleaning brush 5056 to move so that the cleaning brush 5056 contacts the metal filter 502.

[0058] For the above structure and process, please refer to Figure 3-7 .

[0059] The motor 9 is started, and the motor 9 drives the output shaft 14 to rotate. The output shaft 14 drives the slewing bearing 16 to rotate through the first gear 15. The slewing bearing 16 drives the second gear 18 to rotate. The second gear 18 drives the rotating rod 505 to rotate. The rotating rod 505 drives the cleaning brush 5056 to rotate through the first push rod 5055. The cleaning brush 5056 cleans the surface of the metal filter 502 to prevent the metal filter 502 from being blocked during use.

[0060] For the above structure and process, please refer to Figure 1-5 and Fig. 9 .

[0061] At the same time, when the device is finished using, water is injected into the outer shell 1 through the drain pipe 4, the water pressure outside the outer cover 501 increases, and the water seeps through the metal filter 502, the quartz sand layer 503, and the activated carbon layer 504, while flushing the impurities blocked inside the metal filter 502, the quartz sand layer 503, and the activated carbon layer 504. The sewage pipe 3 is opened, and the sewage inside the outer cover 501 enters the bottom of the outer shell 1 through the opening 506, and the sewage impurities are discharged into the sewer through the sewage pipe 3.

[0062] For the above structure and process, please refer to Figure 1-3 .

[0063] A telescopic frame 1904 is arranged between the vertical poles 1901 to realize flexible adjustment of the distance between the two vertical poles 1901, realize adaptive adjustment according to the protection range, and improve the protection effect. The support rod 19055 is swung downward, and the position of the support sleeve 19056 is adjusted at the same time so that the support sleeve 19056 is in contact with the ground. That is, the support device 1905 can provide auxiliary support for the vertical pole 1901. The adjustment is simple and quick to ensure the stable support of the vertical pole 1901.

[0064] For the above structure and process, please refer to Figure 11-14 .

[0065] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An acetaldehyde wastewater treatment device, comprising a housing (1), characterized in that: The input end of the shell (1) is fixedly connected to a water inlet pipe (2), the bottom output end of the shell (1) is fixedly connected to a sewage pipe (3), the top output end of the shell (1) is fixedly connected to a drainage pipe (4), the output end of the water inlet pipe (2) is fixedly connected to a branch pipe (12), the other end of the branch pipe (12) is fixedly connected to a nozzle (13), an adjusting device (7) is fixedly installed on the outer wall of the shell (1), a connecting device (8) is fixedly installed on the top of the shell (1), and the top of the shell (1) is fixedly connected to a water discharge pipe (4). A motor (9) is fixedly mounted, an output end of the motor (9) is fixedly connected to an output shaft (14), an outer wall of the output shaft (14) is sleeved with a first gear (15), the first gear (15) is meshed with a slewing bearing (16), the slewing bearing (16) is meshed with a second gear (18), a top plate (10) is fixedly mounted on the top of the housing (1), a first isolation plate (6) is fixedly connected to the bottom inner wall of the housing (1), and a filtering device (5) is fixedly mounted on the upper surface of the first isolation plate (6); The filtering device (5) comprises an outer cover (501), a metal filter screen (502), a quartz sand layer (503), and an activated carbon layer (504) are fixedly installed inside the outer cover (501), a rotating rod (505) is arranged inside the outer cover (501), and an opening (506) is provided at the bottom of the outer cover (501); The metal filter (502), the quartz sand layer (503), and the activated carbon layer (504) are arranged in sequence from the inside to the outside of the outer cover (501), and the nozzle (13) is located inside the outer cover (501); A cavity (5051) is provided inside the rotating rod (505), a piston tube (5052) is provided inside the cavity (5051) of the rotating rod (505), an air inlet hole (5053) is provided on the middle outer wall of the piston tube (5052), a first piston (5054) is slidably connected to the inner wall of the piston tube (5052), a first push rod (5055) is fixedly connected to one side of the first piston (5054), a cleaning brush (5056) is fixedly connected to the other end of the first push rod (5055), the cleaning brush (5056) is located outside the rotating rod (505), and the cleaning brush (5056) corresponds to the metal filter (502); A sleeve (5057) is fixedly mounted on the inner wall of the cavity (5051); a limiting rod (5058) is sleeved inside the sleeve (5057); the other end of the limiting rod (5058) penetrates and extends to the outside of the rotating rod (505); and the extended end of the limiting rod (5058) is fixedly connected to the side wall of the cleaning brush (5056).

2. The acetaldehyde wastewater treatment device according to claim 1, characterized in that: The regulating device (7) comprises an air cylinder (701), the inner wall of the air cylinder (701) is slidably connected to a second piston (702), the bottom of the second piston (702) is fixedly connected to a second push rod (703), a limit block (704) is provided on the bottom side wall of the air cylinder (701), a limit groove (705) is provided on the bottom side wall of the second push rod (703), the size of the limit block (704) matches the size of the limit groove (705), and a through hole is provided at the bottom of the air cylinder (701).

3. The acetaldehyde wastewater treatment device according to claim 2, characterized in that: The connection device (8) comprises a connection box (801), the top input end of the connection box (801) is fixedly connected to an air intake pipe (802), the other end of the air intake pipe (802) is fixedly connected to the top output end of the air cylinder (701), the output end of the connection box (801) is rotatably connected to an exhaust pipe (803) via a bearing, and the other end of the exhaust pipe (803) passes through and extends into the interior of the rotating rod (505).

4. The acetaldehyde wastewater treatment device according to claim 1, characterized in that: A second isolation plate (11) is fixedly mounted on the top inner wall of the housing (1), the second isolation plate (11) is fixedly connected to the top of the outer cover (501), and a through hole is provided on the outer surface of the first isolation plate (6), the through hole at the first isolation plate (6) corresponding to the opening (506).

5. The acetaldehyde wastewater treatment device according to claim 1, characterized in that: A mounting plate (17) is fixedly mounted on the top inner wall of the housing (1); the mounting plate (17) is fixedly connected to the slewing bearing (16) via bolts; the top of the rotating rod (505) is fixedly connected to the second gear (18); and the top end of the rotating rod (505) is rotatably connected to the inner wall of the housing (1).

6. The acetaldehyde wastewater treatment device according to claim 1, characterized in that: The outer part of the housing (1) is provided with a protective device, the protective device comprising a vertical pole (1901) provided on the outer side of the housing (1), a fixing seat (1902) being welded to the top of each vertical pole (1901), a connecting plate (1903) being fixedly connected to the inner side of the fixing seat (1902) by means of screws, an outer wall of the vertical pole (1901) being movably connected to a telescopic frame (1904), a slide rail (1906) being fixedly mounted to the outer wall of the vertical pole (1901), the top of the telescopic frame (1904) being slidably connected to the outer wall of the slide rail (1906), a base (1908) being fixedly mounted to the bottom of the vertical pole (1901) by means of screws, a connecting rod (1907) being fixedly mounted to the bottom end of the vertical pole (1901), and a supporting device (1905) being fixedly mounted to the outer wall of the bottom of the vertical pole (1901).

7. The acetaldehyde wastewater treatment device according to claim 6, characterized in that: The support device (1905) comprises a sliding rod (19051), both ends of the sliding rod (19051) are fixedly connected to the outer wall of the vertical pole (1901), the outer wall of the sliding rod (19051) is slidably connected to a slider (19052), the outer wall of the slider (19052) is movably connected to a swing rod (19054), the outer wall of the slider (19052) is threadedly connected to a second fixing screw (19053), the other end of the swing rod (19054) is movably connected to a support rod (19055), one end of the support rod (19055) is movably connected to the outer wall of the vertical pole (1901), the other end of the support rod (19055) is movably sleeved with a support sleeve (19056), and the outer wall of the support sleeve (19056) is threadedly connected to a first fixing screw (19057).

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