Formaldehyde particle adsorption treatment device and treatment method

Abstract

The present invention belongs to the field of environmental protection technology, and in particular, is a formaldehyde particle adsorption treatment device and treatment method, comprising a fixed frame, the inner wall of the fixed frame is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a bearing, the inner wall of the fixed frame is also provided with an adsorption mechanism, the adsorption mechanism is provided on one side of the bearing, the outer side of the adsorption mechanism is provided with a rejection mechanism, one side of the adsorption mechanism is provided with an exhaust fan, one end of the exhaust fan is fixedly connected to the inner wall of the fixed frame, the adsorption mechanism comprises a fixed tube, the outer surface of the fixed tube is fixedly connected with a support column. The formaldehyde particle adsorption treatment device reduces the number of replacements of the photocatalyst filter by providing an adsorption mechanism and a rejection mechanism, can maintain a good formaldehyde removal effect for a long time, will not quickly reduce the performance due to filter contamination, prolongs the effective use time of the filter, and reduces the maintenance cost during the use of the equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental protection, and in particular to a formaldehyde particle adsorption treatment device and a treatment method. Background Art

[0002] Formaldehyde is a toxic and harmful gas that has many adverse effects on human health. Long-term exposure to formaldehyde may cause respiratory irritation, coughing, wheezing, breathing difficulties, and even cause serious diseases such as nasopharyngeal cancer and leukemia, especially for children, pregnant women, the elderly and people with weak immunity.

[0003] Modern buildings are usually well sealed for energy conservation and heat preservation, which leads to poor indoor air circulation. If there is a source of formaldehyde release, its concentration will easily accumulate and increase gradually.

[0004] There are various ways to treat formaldehyde. Among them, photocatalytic decomposition of formaldehyde in the air is more common and environmentally friendly. However, the photocatalyst filter is easily covered with pollutants after being used for a period of time, resulting in a decrease in its ability to catalyze the decomposition of formaldehyde. The filter needs to be replaced frequently, which increases the cost of use and the difficulty of maintenance.

[0005] As people's requirements for indoor air quality increase, a solution that can remove formaldehyde stably and efficiently in the long term is needed to provide a healthier living and working environment. To address the above problems, the present invention proposes a formaldehyde particle adsorption treatment device and treatment method. Summary of the invention

[0006] Based on the existing formaldehyde particle adsorption technology problems, the present invention proposes a formaldehyde particle adsorption treatment device and a treatment method.

[0007] A formaldehyde particle adsorption and treatment device proposed in the present invention includes a fixed frame, an inner wall of the fixed frame is fixedly connected to a motor, an output shaft of the motor is fixedly connected to a bearing, an inner wall of the fixed frame is also provided with an adsorption mechanism, the adsorption mechanism is provided on one side of the bearing, a rejection mechanism is provided on the outside of the adsorption mechanism, an exhaust fan is provided on one side of the adsorption mechanism, one end of the exhaust fan is fixedly connected to the inner wall of the fixed frame, the adsorption mechanism includes a fixed tube, an outer surface of the fixed tube is fixedly connected to a support block, one end of the support column is fixedly connected to the inner wall of the fixed frame, and the rejection mechanism includes a photocatalyst filter.

[0008] The adsorption mechanism realizes the action of adsorbing gas; the removal mechanism realizes the action of removing pollutant particles on the surface of the photocatalyst filter;

[0009] The inner wall of the fixed tube is fixedly connected with the inner wall of the air outlet of the exhaust fan, the inner wall of the fixed tube is provided with a curved baffle, the curved baffle, one side of the upper end of the curved baffle is fixed to the inner wall of the fixed tube, one side of the fixed tube is fixedly connected with a fixing ring, the inner wall of the fixing ring is fixedly connected with a heating plate, the upper end of the outer surface of the fixing ring is fixedly connected with a support block, the block body of the support block is fixedly penetrated with an air intake pipe, one side of the fixed ring is also fixedly connected with an auxiliary ring, and a circumferential array of the ring body of the auxiliary ring is embedded with a purple light lamp;

[0010] The rejection mechanism also includes a rotating ring, a sealing groove is provided inside the rotating ring, a placement groove is provided on the inner wall of the rotating ring, a ventilation pipe is rotatably connected to the inner wall of one end of the placement groove through a rotating shaft, a docking hose is fixedly connected to the upper end of the ventilation pipe, and the inner wall of the upper end of the docking hose is fixedly connected to the inner wall of the sealing groove, a cylinder is provided on one side of the ventilation pipe, the outer surface of the cylinder body of the cylinder is fixedly connected to the inner wall of the placement groove, the outer surface of the ventilation pipe is fixedly connected to the piston rod of the cylinder, and an adsorption component is fixedly installed on the lower end of the ventilation pipe.

[0011] Preferably, one end of the light source of the ultraviolet lamp is facing the center of the auxiliary ring, and a first sealed bearing and a second sealed bearing are respectively provided on one side of the auxiliary ring. The outer ring of the first sealed bearing is fixedly connected to the inner ring of the second sealed bearing, and one side of the auxiliary ring is fixedly connected to the inner ring of the first sealed bearing. A connecting hole that is compatible with the air intake pipe is provided at the connection between the outer ring of the first sealed bearing and the inner ring of the second sealed bearing.

[0012] Preferably, a water outlet is provided at the bottom of one end of the fixed pipe, the bottom wall of the fixed pipe close to the water outlet is inclined, and the outer side of the water outlet is fixedly connected to an intelligent control valve via a plastic pipe.

[0013] Preferably, the side of the photocatalyst filter is fixedly connected to the inner wall of the auxiliary ring, one side of the photocatalyst filter is in contact with one side of the heating plate, and the air holes formed on the plate body of the heating plate are matched with the air holes of the photocatalyst filter.

[0014] Preferably, a large gear is fixedly connected to the outer side surface of the rotating ring, the surface of the large gear is meshed with the surface of the gear fixedly connected to the motor output shaft, the inner wall of the connecting hole is fixedly connected to the inner wall of the sealing groove, and the inner wall of the sealing groove is not connected to the inner wall of the placement groove.

[0015] Preferably, the adsorption component includes a cleaning tube, the lower end of the cleaning tube is fixedly connected to a cleaning head, one end of the cleaning head does not contact the surface of the photocatalyst filter, the outer surface of the upper end of the cleaning tube is fixedly sleeved with a bearing, the inner ring of the bearing is fixedly connected to the outer surface of the cleaning tube, the upper end of the outer ring of the bearing is fixedly connected to a connecting tube, the inner wall of the connecting tube is fixedly connected to an auxiliary block, the two side surfaces of the auxiliary block are respectively and symmetrically connected to springs, the upper end of the cleaning tube is located inside the connecting tube, the outer surface of the connecting tube is fixedly connected to a slider, one end of each of the springs is respectively fixedly connected to the two side surfaces of the slider, and the surface of the slider is slidably connected to the inner wall of the connecting tube.

[0016] Preferably, one end of the placement groove is matched with the outer surface of the connecting pipe, the other end of the placement groove is matched with one end of the cleaning pipe, and the height of the placement groove is greater than the diameter of the cleaning pipe.

[0017] Preferably, the docking hose is made of fluororubber.

[0018] Preferably, the length of the cleaning tube is the same as the radius of the photocatalyst filter, and the maximum rotation angle of the adsorption component is 60 degrees.

[0019] Preferably, the treatment method of the formaldehyde particle adsorption treatment device comprises the following steps:

[0020] Step 1, place the formaldehyde particle adsorption treatment device at the position where the air is to be treated, turn on the exhaust fan, close the intelligent control valve arranged on the outside of the water outlet, and the exhaust fan extracts the gas in the fixed pipe, the gas in the fixed pipe is reduced, the pressure drops, and the gas outside the fixed pipe passes through the photocatalyst filter. When the gas passes through the photocatalyst filter, the heating plate and the ultraviolet light are turned on at the same time to keep the photocatalyst filter continuously heated until the surface temperature of the photocatalyst filter is between 35 degrees and 40 degrees. The formaldehyde in the air passing through the photocatalyst filter is decomposed to produce carbon dioxide and water. The produced carbon dioxide and part of the water vapor are discharged with the exhaust fan, and part of the water vapor that is not discharged hangs on the inner wall of the fixed pipe. The water droplets attached to the inner wall of the fixed pipe gather and fall into the water outlet, gradually accumulating. When a certain amount of water is accumulated, the intelligent control valve is opened to discharge the accumulated water.

[0021] Step 2: When the exhaust fan works for a long time, some pollutants are gradually accumulated on the surface of the photocatalyst filter, which reduces the catalytic effect of the photocatalyst filter. At this time, the motor is turned on, and the motor drives the gear fixed to its output shaft to rotate, and the gear drives the large gear to rotate, and the large gear drives the rotating ring fixed to it to rotate, and the rotating ring drives the outer ring of the second sealed bearing fixed on one side to rotate, and the intake pipe, the support block, and the connection between the outer ring of the first sealed bearing and the inner ring of the second sealed bearing are kept stationary, and the rotating ring drives the adsorption component to rotate while rotating;

[0022] Step three, the air intake pipe enters the plasma body synchronously, the plasma body passes through the docking hose and the ventilation pipe, flows through the cleaning head at one end of the cleaning pipe and is sprayed out, the cylinder drives the ventilation pipe to rotate in the placement groove, the ventilation pipe drives the adsorption component at the lower end to move out of the placement groove, and when the cleaning pipe is moved out, under the action of the spring, one end of the cleaning pipe is pulled to rotate in the connecting pipe until the spring returns to its initial state. At this time, the cleaning head is perpendicular to the photocatalyst filter, and the plasma body begins to clean the surface of the photocatalyst filter.

[0023] The beneficial effects of the present invention are:

[0024] By setting up the adsorption mechanism and the rejection mechanism, the number of replacement times of the photocatalyst filter is reduced, and a good formaldehyde removal effect can be maintained for a long time. The performance will not be quickly reduced due to filter contamination, which extends the effective use time of the filter and reduces the maintenance cost during the use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0026] Figure 2 A front view of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0027] Figure 3 A cross-sectional view of a fixed pipe of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0028] Figure 4 A three-dimensional diagram of a curved baffle of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0029] Figure 5 A cross-sectional view of a photocatalyst filter screen of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0030] Figure 6 A rotating ring stereogram of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0031] Figure 7A cross-sectional view of a rotating ring of a formaldehyde particle adsorption treatment device and treatment method proposed by the present invention;

[0032] Figure 8 A formaldehyde particle adsorption treatment device and treatment method proposed by the present invention Figure 7 The enlarged view of point A in the middle;

[0033] Fig. 9 The present invention provides a cross-sectional view of the connecting pipes of a formaldehyde particle adsorption treatment device and treatment method.

[0034] In the figure: 1. fixed frame; 2. motor; 3. adsorption mechanism; 30. water outlet; 31. fixed pipe; 32. curved baffle; 33. fixed ring; 34. heating plate; 35. support block; 36. air inlet pipe; 37. auxiliary ring; 38. ultraviolet lamp; 39. first sealed bearing; 310. second sealed bearing; 311. connecting hole; 4. rejection mechanism; 40. large gear; 41. rotating ring; 42. photocatalyst filter; 43. sealing groove; 44. placement groove; 45. ventilation pipe; 46. docking hose; 47. cylinder; 48. adsorption component; 481. cleaning pipe; 482. cleaning head; 483. bearing; 484. connecting pipe; 485. auxiliary block; 486. spring; 487. slider; 5. exhaust fan; 6. support column. DETAILED DESCRIPTION

[0035] 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.

[0036] Reference Figure 1-Figure 9 A formaldehyde particle adsorption and treatment device comprises a fixed frame 1, the inner wall of the fixed frame 1 is fixedly connected with a motor 2, the output shaft of the motor 2 is fixedly connected with a bearing, the inner wall of the fixed frame 1 is also provided with an adsorption mechanism 3, the adsorption mechanism 3 is provided on one side of the bearing, a rejection mechanism 4 is provided on the outer side of the adsorption mechanism 3, an exhaust fan 5 is provided on one side of the adsorption mechanism 3, one end of the exhaust fan 5 is fixedly connected to the inner wall of the fixed frame 1, the adsorption mechanism 3 comprises a fixed tube 31, the outer surface of the fixed tube 31 is fixedly connected with a support column 6, one end of the support column 6 is fixedly connected to the inner wall of the fixed frame 1, and the rejection mechanism 4 comprises a photocatalyst filter 42.

[0037] In order to realize the action of adsorption of gas by the adsorption mechanism 3, the inner wall of the fixed tube 31 is fixedly connected with the inner wall of the air outlet of the exhaust fan 5, and the inner wall of the fixed tube 31 is provided with a curved baffle 32, and the curved baffle 32, one side of the upper end of the curved baffle 32 is fixed to the inner wall of the fixed tube 31, and one side of the fixed tube 31 is fixedly connected with a fixing ring 33, and the inner wall of the fixing ring 33 is fixedly connected with a heating plate 34, and the outer surface of the fixing ring 33 is fixedly connected with a support block 35 at the upper end, and the block body of the support block 35 is fixedly penetrated with an air inlet pipe 36, and one side of the fixing ring 33 is also fixed An auxiliary ring 37 is connected, and a purple light lamp 38 is embedded in the circumferential array of the ring body of the auxiliary ring 37. One end of the light source of the purple light lamp 38 faces the center of the auxiliary ring 37. A first sealed bearing 39 and a second sealed bearing 310 are respectively provided on one side of the auxiliary ring 37. The outer ring of the first sealed bearing 39 is fixedly connected to the inner ring of the second sealed bearing 310. One side of the auxiliary ring 37 is fixedly connected to the inner ring of the first sealed bearing 39. A connecting hole 311 adapted to the intake pipe 36 is provided at the connection between the outer ring of the first sealed bearing 39 and the inner ring of the second sealed bearing 310;

[0038] Specifically, by setting the structure, the curved baffle 32 can change the flow path of the gas and increase the residence time of the gas in the fixed tube 31, so that the water molecules in the air adhere to the inner wall of the fixed tube 31. The heating plate 34 in the fixed ring 33 can heat the photocatalyst filter 42 to enhance the catalytic effect of the catalyst on the surface of the photocatalyst filter 42. The setting of the first sealing bearing 39 and the second sealing bearing 310, as well as the connecting hole 311 matched therewith, effectively prevent gas leakage and ensure the sealing and high efficiency of the adsorption process.

[0039] A water outlet 30 is provided at the bottom of one end of the fixed pipe 31, and the bottom wall of the fixed pipe 31 near the water outlet 30 is inclined. The outer side of the water outlet 30 is fixedly connected to an intelligent control valve through a plastic pipe.

[0040] Specifically, by setting the structure, the bottom wall of the fixed pipe 31 close to the water outlet 30 is inclined, which helps the liquid to flow naturally to the water outlet under the action of gravity, thereby improving the drainage efficiency.

[0041] The side of the photocatalyst filter 42 is fixedly connected to the inner wall of the auxiliary ring 37, one side of the photocatalyst filter 42 is in contact with one side of the heating plate 34, and the air holes formed on the plate body of the heating plate 34 are matched with the air holes of the photocatalyst filter 42;

[0042] Specifically, by setting the structure, the photocatalyst filter 42 and one side of the heating plate 34 are in contact with each other, and the heat provided by the heating plate 34 can promote the reaction activity of the photocatalyst and enhance the ability to decompose harmful substances in the gas; the air holes opened in the plate body of the heating plate 34 are adapted to the air holes of the photocatalyst filter 42, so that the gas can pass smoothly, reducing the air flow resistance and ensuring the working efficiency of the adsorption mechanism 3.

[0043] In order to realize the action of removing the pollutant particles on the surface of the photocatalyst filter 42 by the removing mechanism 4, the removing mechanism 4 is provided with a rotating ring 41, the outer side of the rotating ring 41 is fixedly connected with a large gear 40, the surface of the large gear 40 and the surface of the gear fixedly connected with the output shaft of the motor 2 are meshed with each other, a sealing groove 43 is provided inside the rotating ring 41, the inner wall of the connecting hole 311 is fixedly connected with the inner wall of the sealing groove 43, and a placing groove 44 is provided on the inner wall of the rotating ring 41, and the inner wall of the sealing groove 43 is connected with the placing groove 44. The inner walls of the placement grooves 44 are not connected to each other. The inner wall of one end of the placement groove 44 is rotatably connected to a vent pipe 45 through a rotating shaft. The upper end of the vent pipe 45 is fixedly connected to a docking hose 46. The inner wall of the upper end of the docking hose 46 is fixedly connected to the inner wall of the sealing groove 43. A cylinder 47 is provided on one side of the vent pipe 45. The outer surface of the cylinder 47 is fixedly connected to the inner wall of the placement groove 44. The outer surface of the vent pipe 45 is fixedly connected to the piston rod of the cylinder 47. The lower end of the vent pipe 45 is fixedly installed with an adsorption component 48.

[0044] Specifically, by setting the above structure, the motor 2 drives the large gear 40 to rotate, thereby rotating the rotating ring 41, increasing the scope of action for removing pollutants, and being able to more comprehensively treat the surface of the photocatalyst filter 42. The cylinder 47 pushes the vent pipe 45 and the adsorption component 48 to move, and can accurately and targetedly remove pollutants on the surface of the filter, thereby improving the efficiency and effect of removal. The design of the sealing groove 43 and the connection with the connecting hole 311 and the docking hose 46 ensure the sealing of the plasma during the transmission process, prevent plasma leakage, and ensure the stable operation of the entire system. The vent pipe 45 is connected to the placement groove 44 through the rotating shaft and moves under the action of the cylinder 47, and can flexibly adjust the removal position of the cleaning head 482 on the surface of the photocatalyst filter 42 according to the distribution of pollutants on the photocatalyst filter 42; the above structure realizes the automation of the removal action, reduces manual intervention, and improves work efficiency and operation accuracy. Especially in large-scale gas processing scenarios, the automated removal process can reduce labor costs and operation errors.

[0045] The adsorption component 48 includes a cleaning tube 481, a cleaning head 482 is fixedly connected to the lower end of the cleaning tube 481, one end of the cleaning head 482 does not contact the surface of the photocatalyst filter 42, a bearing 483 is fixedly sleeved on the outer surface of the upper end of the cleaning tube 481, the inner ring of the bearing 483 is fixedly connected to the outer surface of the cleaning tube 481, the upper end of the outer ring of the bearing 483 is fixedly connected to a connecting tube 484, the inner wall of the connecting tube 484 is fixedly connected to an auxiliary block 485, the two side surfaces of the auxiliary block 485 are respectively fixedly and symmetrically connected to springs 486, the upper end of the cleaning tube 481 is located inside the connecting tube 484, the outer surface of the connecting tube 484 is fixedly connected to a slider 487, one end of each spring 486 is fixedly connected to the two side surfaces of the slider 487, and the surface of the slider 487 is slidably connected to the inner wall of the connecting tube 484;

[0046] Specifically, by setting the above-mentioned structure, the combination of the cleaning tube 481 and the cleaning head 482 can perform targeted cleaning on the photocatalyst filter 42 to ensure that the pollutants on the surface of the filter are effectively removed. The design of the cleaning head 482 not contacting the surface of the photocatalyst filter 42 avoids excessive wear on the filter and extends the service life of the filter. The setting of the bearing 483 and the spring 486 enables the cleaning tube 481 and the cleaning head 482 to be effectively placed in the placement slot 44 when not in operation, thereby reducing the exposure of the cleaning head 482.

[0047] In this embodiment, one end of the placement groove 44 is matched with the outer surface of the connecting pipe 484, and the other end of the placement groove 44 is matched with one end of the cleaning pipe 481. The height of the placement groove 44 is greater than the diameter of the cleaning pipe 481.

[0048] Specifically, by setting the above structure, the placement groove 44 is adapted to the outer surfaces of the connecting pipe 484 and the cleaning pipe 481, so that the adsorption component 48 can be neatly stored in the placement groove 44 when not in use, saving space and preventing the components from external interference and damage.

[0049] In this embodiment, the material of the docking hose 46 is fluororubber;

[0050] Specifically, by setting the above structure, the fluororubber has excellent corrosion resistance, can remain stable in an environment exposed to various chemical substances, and is not easily damaged by corrosion; it can be used normally at higher temperatures and is not easily deformed or aged.

[0051] In this embodiment, the length of the cleaning tube 481 is the same as the radius of the photocatalyst filter 42, and the maximum rotation angle of the adsorption component 48 is 60 degrees;

[0052] Specifically, by setting the above structure, the length of the cleaning tube 481 is the same as the radius of the photocatalyst filter 42, and can cover a larger filter area during rotation, ensuring comprehensive cleaning of the filter surface. When the adsorption component 48 rotates to a maximum angle of 60 degrees, the lower surface of the cleaning head 482 is exactly at the center of the photocatalyst filter 42.

[0053] Reference Figure 1-Figure 9 , a treatment method of a formaldehyde particle adsorption treatment device, the steps are as follows:

[0054] Step 1, place the formaldehyde particle adsorption treatment device at the position where the air is to be treated, turn on the exhaust fan 5, close the intelligent control valve arranged outside the water outlet 30, and the exhaust fan 5 extracts the gas in the fixed tube 31, the gas in the fixed tube 31 is reduced, the pressure drops, and the gas outside the fixed tube 31 passes through the photocatalyst filter 42. When the gas passes through the photocatalyst filter 42, the heating plate 34 and the ultraviolet light lamp 38 are turned on at the same time to keep heating the photocatalyst filter 42 continuously until the surface temperature of the photocatalyst filter 42 is between 35 degrees and 40 degrees. The formaldehyde in the air passing through the photocatalyst filter 42 is decomposed to produce carbon dioxide and water. The produced carbon dioxide and part of the water vapor are discharged along with the exhaust fan 5, and part of the water vapor that is not discharged hangs on the inner wall of the fixed tube 31. The water droplets attached to the inner wall of the fixed tube 31 gather and fall into the water outlet 30, and gradually accumulate. When a certain amount of water is accumulated, the intelligent control valve is opened to discharge the accumulated water.

[0055] Step 2: The exhaust fan 5 works for a long time, and some pollutants are gradually accumulated on the surface of the photocatalyst filter 42, which reduces the catalytic effect of the photocatalyst filter 42. At this time, the motor 2 is turned on, and the motor 2 drives the gear fixed to its output shaft to rotate, and the gear drives the large gear 40 to rotate, and the large gear 40 drives the rotating ring 41 fixed to it to rotate, and the rotating ring 41 drives the outer ring of the second sealed bearing 310 fixed on one side thereof to rotate, and the intake pipe 36, the support block 35, and the outer ring of the first sealed bearing 39 and the inner ring of the second sealed bearing 310 are all kept stationary, and the rotating ring 41 drives the adsorption component 48 to rotate while rotating;

[0056] Step three, the air inlet pipe 36 synchronously enters the plasma body, the plasma body passes through the docking hose 46 and the ventilation pipe 45, flows through the cleaning head 482 at one end of the cleaning pipe 481 and is sprayed out, the cylinder 47 drives the ventilation pipe 45 to rotate in the placement groove 44, the ventilation pipe 45 drives the adsorption component 48 at the lower end to move out of the placement groove 44, and when the cleaning pipe 481 is moved out, under the action of the spring 486, one end of the cleaning pipe 481 is pulled to rotate in the connecting pipe 484 until the spring 486 returns to its initial state. At this time, the cleaning head 482 is perpendicular to the photocatalyst filter 42, and the plasma body begins to clean the surface of the photocatalyst filter 42.

[0057] 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. A formaldehyde particle adsorption treatment device, comprising a fixed frame (1), the inner wall of the fixed frame (1) being fixedly connected to a motor (2), the output shaft of the motor (2) being fixedly connected to a bearing, characterized in that: The inner wall of the fixed frame (1) is further provided with an adsorption mechanism (3), the adsorption mechanism (3) being provided on one side of the bearing, the outer side of the adsorption mechanism (3) being provided with a rejection mechanism (4), the one side of the adsorption mechanism (3) being provided with an exhaust fan (5), one end of the exhaust fan (5) being fixedly connected to the inner wall of the fixed frame (1), the adsorption mechanism (3) comprising a fixed tube (31), the outer surface of the fixed tube (31) being fixedly connected to a support column (6), one end of the support column (6) being fixedly connected to the inner wall of the fixed frame (1), and the rejection mechanism (4) comprising a photocatalyst filter (42); The adsorption mechanism (3) realizes the action of adsorbing the gas; The inner wall of the fixed tube (31) is fixedly connected to the inner wall of the air outlet of the exhaust fan (5); the inner wall of the fixed tube (31) is provided with a curved baffle (32); one side of the upper end of the curved baffle (32) is fixed to the inner wall of the fixed tube (31); one side of the fixed tube (31) is fixedly connected to a fixing ring (33); the inner wall of the fixing ring (33) is fixedly connected to a heating plate (34); the upper end of the outer surface of the fixing ring (33) is fixedly connected to a supporting block (35); the block body of the supporting block (35) is fixedly penetrated by an air intake pipe (36); one side of the fixing ring (33) is also fixedly connected to an auxiliary ring (37); the auxiliary ring A purple light lamp (38) is embedded in the circumferential array of the ring body (37), one end of the light source of the purple light lamp (38) is directed toward the center of the auxiliary ring (37), a first sealed bearing (39) and a second sealed bearing (310) are respectively provided on one side of the auxiliary ring (37), the outer ring of the first sealed bearing (39) is fixedly connected to the inner ring of the second sealed bearing (310), one side of the auxiliary ring (37) is fixedly connected to the inner ring of the first sealed bearing (39), and a connection hole (311) adapted to the intake pipe (36) is provided at the connection between the outer ring of the first sealed bearing (39) and the inner ring of the second sealed bearing (310); The removal mechanism (4) realizes the action of removing pollutant particles on the surface of the photocatalyst filter (42); The rejection mechanism (4) further comprises a rotating ring (41), the outer side surface of the rotating ring (41) being fixedly connected to a large gear (40), the surface of the large gear (40) being meshed with the surface of a gear fixedly connected to the output shaft of the motor (2), a sealing groove (43) being provided inside the rotating ring (41), the inner wall of the connecting hole (311) being fixedly connected to the inner wall of the sealing groove (43), a placement groove (44) being provided on the inner wall of the rotating ring (41), the inner wall of the sealing groove (43) being not connected to the inner wall of the placement groove (44), and the placement groove The inner wall of one end of the (44) is rotatably connected to a vent pipe (45) via a rotating shaft, the upper end of the vent pipe (45) is fixedly connected to a docking hose (46), the inner wall of the upper end of the docking hose (46) is fixedly connected to the inner wall of the sealing groove (43), a cylinder (47) is provided on one side of the vent pipe (45), the outer surface of the cylinder body of the cylinder (47) is fixedly connected to the inner wall of the placement groove (44), the outer surface of the vent pipe (45) is fixedly connected to the piston rod of the cylinder (47), and an adsorption component (48) is fixedly installed on the lower end of the vent pipe (45); The adsorption component (48) comprises a cleaning tube (481), the lower end of the cleaning tube (481) is fixedly connected to a cleaning head (482), one end of the cleaning head (482) is not in contact with the surface of the photocatalyst filter (42), the upper end outer surface of the cleaning tube (481) is fixedly sleeved with a bearing (483), the inner ring of the bearing (483) is fixedly connected to the outer surface of the cleaning tube (481), the upper end of the outer ring of the bearing (483) is fixedly connected to a connecting tube (484), and the connecting tube (484) is fixedly connected to the outer surface of the cleaning tube (481). The inner wall of the connecting tube (484) is fixedly connected with an auxiliary block (485), and the two side surfaces of the auxiliary block (485) are respectively fixedly connected with springs (486), the upper end of the cleaning tube (481) is located inside the connecting tube (484), and the inner surface of the connecting tube (484) is fixedly connected with a slider (487), one end of each of the springs (486) is respectively fixedly connected with the two side surfaces of the slider (487), and the surface of the slider (487) is slidably connected with the inner wall of the connecting tube (484); One end of the placement groove (44) is matched with the outer surface of the connecting pipe (484), and the other end of the placement groove (44) is matched with one end of the cleaning pipe (481), and the height of the placement groove (44) is greater than the diameter of the cleaning pipe (481); The docking hose (46) is made of fluororubber; The length of the cleaning pipe (481) is the same as the radius of the photocatalyst filter (42), and the maximum rotation angle of the adsorption component (48) is 60 degrees.

2. A formaldehyde particle adsorption treatment device according to claim 1, characterized in that: A water outlet (30) is provided at the bottom of one end of the fixed pipe (31); the bottom wall of the fixed pipe (31) close to the water outlet (30) is inclined; the outer side of the water outlet (30) is fixedly connected to an intelligent control valve via a plastic pipe.

3. A formaldehyde particle adsorption treatment device according to claim 2, characterized in that: The side surface of the photocatalyst filter (42) is fixedly connected to the inner wall of the auxiliary ring (37), one side surface of the photocatalyst filter (42) is in contact with one side surface of the heating plate (34), and the air holes formed on the plate body of the heating plate (34) are matched with the air holes of the photocatalyst filter (42).

4. The method for treating formaldehyde particles by adsorption treatment device according to claim 3, characterized in that: Here are the steps: Step 1: Place the formaldehyde particle adsorption treatment device at a location where air is to be treated, turn on the exhaust fan (5), close the intelligent control valve arranged outside the water outlet (30), and the exhaust fan (5) extracts the gas in the fixed tube (31), so that the gas in the fixed tube (31) decreases, the pressure drops, and the gas outside the fixed tube (31) passes through the photocatalyst filter (42). While the gas passes through the photocatalyst filter (42), the heating plate (34) and the ultraviolet light (38) are turned on at the same time to keep the photocatalyst filter (42) The heating is continued until the surface temperature of the photocatalyst filter (42) is between 35 degrees and 40 degrees, and the formaldehyde in the air passing through the photocatalyst filter (42) is decomposed to generate carbon dioxide and water. The generated carbon dioxide and part of the water vapor are discharged along with the exhaust fan (5), and part of the water vapor that is not discharged hangs on the inner wall of the fixed tube (31). The water droplets attached to the inner wall of the fixed tube (31) gather and fall into the water outlet (30), and gradually accumulate. When a certain amount of water is accumulated, the intelligent control valve is opened to discharge the accumulated water. Step 2: The exhaust fan (5) works for a long time, and some pollutants are gradually accumulated on the surface of the photocatalyst filter (42), which reduces the catalytic effect of the photocatalyst filter (42). At this time, the motor (2) is turned on, and the motor (2) drives the gear fixed to its output shaft to rotate, and the gear drives the large gear (40) to rotate, and the large gear (40) drives the rotating ring (41) fixed to it to rotate, and the rotating ring (41) drives the outer ring of the second sealing bearing (310) fixed on one side thereof to rotate, and the intake pipe (36), the support block (35) and the connection between the outer ring of the first sealing bearing (39) and the inner ring of the second sealing bearing (310) are all kept stationary, and the rotating ring (41) drives the adsorption component (48) to rotate while rotating; Step 3, the air inlet pipe (36) simultaneously enters the plasma body, and the plasma body passes through the docking hose (46) and the ventilation pipe (45), flows through the cleaning head (482) at one end of the cleaning pipe (481) and is ejected, and the cylinder (47) drives the ventilation pipe (45) to rotate in the placement groove (44), and the ventilation pipe (45) drives the adsorption component (48) at the lower end to move out of the placement groove (44). When the cleaning pipe (481) moves out, under the action of the spring (486), one end of the cleaning pipe (481) is pulled to rotate in the connecting pipe (484) until the spring (486) returns to the initial state. At this time, the cleaning head (482) is perpendicular to the photocatalyst filter (42), and the plasma body begins to clean the surface of the photocatalyst filter (42).

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