CN108434974B

CN108434974B - Indoor formaldehyde purification method

Info

Publication number: CN108434974B
Application number: CN201810338653.9A
Authority: CN
Inventors: 朱训涛; 王华英; 吴国秋; 查达先
Original assignee: Hangzhou Huahao Biotechnology Co ltd
Current assignee: Hangzhou Huahao Biotechnology Co ltd
Priority date: 2018-04-16
Filing date: 2018-04-16
Publication date: 2021-06-04
Anticipated expiration: 2038-04-16
Also published as: CN108434974A

Abstract

The invention relates to the field of environmental protection, in particular to an indoor formaldehyde purification method, which comprises the following steps: s1, opening all windows, and planting green plants capable of absorbing formaldehyde in places where indoor air is not circulated; s2, detecting the formaldehyde content in the room by using a formaldehyde detector after the operation is carried out for a period of time at S1, closing part of the window when the detected value is within the standard formaldehyde content range, and then placing the formaldehyde purifier in the room; s3, detecting the indoor formaldehyde content by using a formaldehyde detector after S2 is implemented for a period of time, closing all windows when the detected value is within the standard formaldehyde content range, and continuously purifying the indoor air by using the formaldehyde purifier in S2; and S4, detecting the indoor formaldehyde content by using a formaldehyde detector after S3 is implemented for a period of time, allowing personnel to enter the room for living when the detected value is within the standard formaldehyde content range, and continuously purifying the indoor air by using the formaldehyde purifier.

Description

Indoor formaldehyde purification method

Technical Field

The invention relates to the field of environmental protection, in particular to an indoor formaldehyde purification method.

Background

The decoration industry is prosperous at present, and the decoration pollution problem is brought along with the prosperity; formaldehyde is a harmful substance in decoration pollution; formaldehyde is colorless and easily soluble irritant gas which can be absorbed by respiratory tract, aqueous solution 'formalin' can be absorbed by digestive tract, chronic respiratory disease and pregnancy syndrome can be caused by long-term contact with low-dose formaldehyde, and physique reduction, chromosome abnormality and even nasopharyngeal carcinoma of newborn can be caused; high-concentration formaldehyde has toxicity to nervous system, immune system, liver and the like; formaldehyde also has teratogenic and carcinogenic effects; formaldehyde is not introduced in a hole, and the interior of a newly-decorated house is mostly filled with overproof formaldehyde.

People remove formaldehyde in a new house of the house by opening a window for ventilation in life, the mode is not only low in efficiency, but also obviously difficult to disperse formaldehyde in each piece of furniture, and the furniture is easy to deform and damage after being contacted with the external environment for a long time.

Disclosure of Invention

The invention provides an indoor formaldehyde purification method, which is mainly used for gradually purifying the air in the room of a house which is not in place and is just finished, and the method gradually reduces the contact space between the room and the outside, can reduce the accumulation of indoor dust, is convenient for sanitary cleaning, and can avoid the cracking and deformation of indoor furniture caused by the long-term contact with the outside.

The technical scheme adopted by the invention for solving the technical problems is as follows: an indoor formaldehyde purification method, which comprises the following steps:

s1, after finishing house decoration, opening all windows to make air enter the room, and taking away formaldehyde in the indoor air by using the air flow; planting green plants capable of absorbing formaldehyde in places where indoor air is not circulated;

s2, detecting the indoor formaldehyde content by using a formaldehyde detector after S1 is carried out for a period of time, closing part of windows when the detected value is within the standard formaldehyde content range, then placing the formaldehyde purifier indoors, and placing the formaldehyde purifier beside a house which is easy to emit formaldehyde;

s3, detecting the indoor formaldehyde content by using a formaldehyde detector after S2 is implemented for a period of time, closing all windows when the detected value is within the standard formaldehyde content range, and continuously purifying the indoor air by using the formaldehyde purifier in S2;

s4, detecting the indoor formaldehyde content by using a formaldehyde detector after S3 is implemented for a period of time, allowing people to enter the room for living when the detected value is within the standard formaldehyde content range, and continuously purifying the indoor air by using a formaldehyde purifier;

the formaldehyde purifier adopted in the method comprises an auxiliary purifying mechanism, a planting pot, a container, a shell, a base, a movable wheel, a purifying and feeding mechanism, a dust collecting mechanism and a purifying mechanism; the moving wheels are installed at the bottom of the base, and the top of the base is fixed and communicated with the shell; the purifying mechanism for removing dust is arranged in the shell, and the dust collecting mechanism is arranged at the bottom of the shell; the dust collecting mechanism is used for collecting dust generated by the purifying mechanism, and the side part of the shell is rotatably connected with the purifying and feeding mechanism; the top of the shell is provided with the container for containing the titanium dioxide aqueous solution, and the top of the dust collection box is communicated with the auxiliary purification mechanism for spraying and purifying; the planting pots are arranged on two sides of the top of the container.

Specifically, the auxiliary purification mechanism comprises a first folded plate, a handle, a second folded plate, a third folded plate and a placing groove, the third folded plate is rotatably connected to the top of the container, and one end of the third folded plate is rotatably connected to the second folded plate; the surface of the second folded plate is provided with the placing groove, and the other end of the second folded plate is rotatably connected with the first folded plate; the lifting handle is arranged on the side part of the first folded plate, and a plurality of ultraviolet lamps and high-pressure spray heads are respectively arranged at the bottom of the first folded plate; the ultraviolet lamp with high pressure nozzle cooperation is connected the standing groove, just high pressure nozzle intercommunication the container.

Specifically, the rotation angle between the second folded plate and the first folded plate and the rotation angle between the second folded plate and the third folded plate are 0-360 degrees, and the first folded plate, the second folded plate and the third folded plate are the same in shape and size.

Specifically, the purifying and feeding mechanism comprises side baffles, a movable plate, a handle, an air inlet and a top cover, wherein the side baffles are rotatably connected to two sides of the shell, and the movable plate is fixed on the side parts of the side baffles; the handle is fixed on the side part of the movable plate, and the top cover is fixed on the movable plate and the top of the side baffle; the top of the top cover is provided with a plurality of air inlets at equal intervals.

Specifically, the side baffle adopts an isosceles triangle structure, and the movable plate is welded on the side of the side baffle; the movable plate is clamped and connected with the shell.

Specifically, the dust collecting mechanism comprises a first fan and a collecting mechanism, the first fan is mounted at the center of the top end of the inner side of the shell, and the collecting mechanism comprises a collecting box, a limiting plate, a pressing block, a spring, a fixing plate, a rubber block and a through hole; a lower dust port is formed in the bottom of the shell, and the rubber block is arranged on the outer side of the lower dust port; the fixing plate is arranged on the side part of the lower dust port, and the through hole is formed in the surface of the fixing plate; the through hole is connected with the pressing block in a matching manner, and the pressing block is connected with the limiting plate through the spring; the limiting plates are fixed on two sides of the collecting box.

Specifically, the fixing plates adopt an L-shaped structure, and the distance between the two fixing plates is equal to the distance between the two limiting plates; the collecting box adopts a structure with an opening-shaped side part, and the top surface of the collecting box is the same as the area of the lower dust opening.

Specifically, the purification mechanism comprises an activated carbon adsorption plate, a cold catalyst filter screen, a formaldehyde lyase plate, an anion generator and a second fan; the active carbon adsorption plate is fixed in the shell, and the cold catalyst filter screen is arranged at the bottom of the active carbon adsorption plate; the bottom of the cold catalyst filter screen is sequentially provided with the formaldehyde lyase plate, the negative ion generator and the second fan.

Specifically, the activated carbon adsorption plate is fixed in the shell by adopting a structure with a triangular cross section, and the bottom of the activated carbon adsorption plate is positioned on the side part of the lower dust port.

Specifically, a plurality of ventholes are seted up to the surperficial equidistance of base, just venthole intercommunication the second fan, the round platform shape structure the bottom four corners department of base all installs the removal wheel.

The invention has the beneficial effects that:

(1) the method gradually reduces the contact space between the indoor and the outside, can reduce the accumulation of indoor dust, is convenient for sanitary cleaning, and can avoid the condition of cracking and deformation caused by the long-term contact of the indoor furniture with the outside.

(2) The formaldehyde purifier adopted in the method can realize the cracking treatment of the formaldehyde on the surface of the new furniture by lifting the handle through the high-pressure spray head and the ultraviolet lamp tube, and can extend to a proper height through the rotary connection among the folded plates, thereby facilitating the treatment of the furniture with different heights; when indoor air is purified, the air outlet holes can be exposed in a pulling mode, the air inlet holes on two sides can be selectively exposed according to requirements to suck air, the air suction amount is increased, and the indoor air purifier is suitable for purifying indoor environments in different spaces; utilize the fan to blow down the dust on the activated carbon adsorption plate surface of special construction and collect through collecting the mechanism when purifying, avoid inside to block up, prolong holistic life, improve purification efficiency.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a formaldehyde purifier adopted in the method;

FIG. 2 is a schematic structural view of the auxiliary cleaning mechanism shown in FIG. 1;

FIG. 3 is a rear view of the first flap of FIG. 2;

FIG. 4 is a schematic view of the internal structure of the housing shown in FIG. 1;

FIG. 5 is a schematic view of the collection mechanism shown in FIG. 5;

fig. 6 is an enlarged schematic view of a portion a shown in fig. 5.

In the figure: 1. the device comprises an auxiliary purification mechanism, 11, a first folding plate, 111, an ultraviolet lamp tube, 112, a high-pressure sprayer, 12, a handle, 13, a second folding plate, 14, a third folding plate, 15, a placing groove, 2, a planting pot, 3, a container, 4, a shell, 41, a dust outlet, 5, a base, 51, an air outlet, 6, a movable wheel, 7, a purification feeding mechanism, 71, a side baffle, 72, a movable plate, 73, a handle, 74, an air inlet, 75, a top cover, 8, a dust collecting mechanism, 81, a first fan, 82, a collecting mechanism, 821, a collecting box, 822, a limiting plate, 823, a pressing block, 824, a spring, 825, a fixing plate, 826, a rubber block, 827, a through hole, 9, a purification mechanism, 91, an activated carbon adsorption plate, 92, a cold catalyst filter screen, 93, a formaldehyde cracking enzyme plate, 94, a negative ion generator, 95 and a second fan.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figure 1, the indoor formaldehyde purification method provided by the invention comprises the following steps:

the method gradually reduces the contact space between the indoor and the outside, can reduce the accumulation of indoor dust, thereby being convenient for sanitary cleaning, and simultaneously can avoid the condition of cracking and deformation caused by the long-term contact of the indoor furniture with the outside;

the formaldehyde purifier adopted in the method comprises an auxiliary purifying mechanism 1, a planting pot 2, a container 3, a shell 4, a base 5, a moving wheel 6, a purifying and feeding mechanism 7, a dust collecting mechanism 8 and a purifying mechanism 9; the moving wheel 6 is arranged at the bottom of the base 5, and the top of the base 5 is fixed and communicated with the shell 4; the inside of the shell 4 is provided with the purification mechanism 9 for dust removal, and the bottom of the shell 4 is provided with the dust collection mechanism 8; the dust collecting mechanism 8 is used for collecting dust generated by the purifying mechanism 9, and the side part of the shell 4 is rotatably connected with the purifying feeding mechanism 7; the top of the shell 4 is provided with the container 3 for containing the titanium dioxide aqueous solution, and the top of the dust collection box 3 is communicated with the auxiliary purification mechanism 1 for spraying purification; the planting pots 2 are arranged on two sides of the top of the container 3.

Specifically, as shown in fig. 2 and 3, the auxiliary cleaning mechanism 1 includes a first flap 11, a handle 12, a second flap 13, a third flap 14 and a placement slot 15, wherein the third flap 14 is pivotally connected to the top of the container 3, and one end of the third flap 14 is pivotally connected to the second flap 13; the placing groove 15 is formed in the surface of the second folded plate 13, and the other end of the second folded plate 13 is rotatably connected with the first folded plate 11; the handle 12 is arranged on the side part of the first folded plate 11, and a plurality of ultraviolet lamps 111 and a high-pressure sprayer 112 are respectively arranged at the bottom of the first folded plate 11; ultraviolet lamp 111 with high pressure nozzle 112 cooperation is connected standing groove 15, just high pressure nozzle 112 intercommunication container 3, when carrying out the formaldehyde treatment in the furniture, the accessible handle 12 makes first folded plate 11 proposes, utilizes the inside titanium dioxide aqueous solution of container 3 passes through high pressure nozzle 112 carries out the spraying, forms nanometer film after the solidification, decomposes the harmful substance that gives out substrate surface, decomposes into carbon dioxide and water, can not cause secondary pollution, simultaneously ultraviolet lamp 111 can carry out the schizolysis of formaldehyde to furniture surface, eliminates the formaldehyde on new furniture surface.

Specifically, as shown in fig. 2 and 3, the rotation angle between the second flap 13 and the first and

third flaps

11, 14 is 0 ° to 360 °, and the first, second and

third flaps

11, 13, 14 are the same in shape and size, so as to reach a suitable height.

Specifically, as shown in fig. 1, the purifying and feeding mechanism 7 includes a side baffle 71, a movable plate 72, a handle 73, an air inlet 74 and a top cover 75, the side baffle 71 is rotatably connected to two sides of the housing 4, and the movable plate 72 is fixed to a side portion of the side baffle 71; the handle 73 is fixed on the side of the movable plate 72, and the top cover 75 is fixed on the movable plate 72 and the top of the side baffle 71; the top of the top cover 75 is provided with a plurality of air inlets 74 at equal intervals, when purification is performed, the handle 73 is pulled out of the movable plate 72 to expose the air inlets 74 of the top cover 75, so that air can enter the inside of the shell 4 through the air inlets 74.

Specifically, as shown in fig. 1, the side baffle 71 is in an isosceles triangle structure, and the movable plate 72 is welded to a side of the side baffle 71; the movable plate 72 is engaged with the housing 4, and is integrally protected to improve the strength of the whole.

Specifically, as shown in fig. 4 and 5, the dust collecting mechanism 8 includes a first fan 81 and a collecting mechanism 82, the first fan 81 is installed at the center of the top end of the inner side of the housing 4, and the collecting mechanism 82 includes a collecting box 821, a limiting plate 822, a pressing block 823, a spring 824, a fixing plate 825, a rubber block 826 and a through hole 827; a lower dust port 41 is formed at the bottom of the shell 4, and the rubber block 826 is arranged outside the lower dust port 41; the fixing plate 825 is arranged at the side part of the lower dust port 41, and the through hole 827 is formed in the surface of the fixing plate 825; the through hole 827 is connected with the pressing block 823 in a matching manner, and the pressing block 823 is connected with the limit plate 822 through the spring 824; the stopper plates 822 are fixed to both sides of the collecting box 821, and after the dust collecting device is used for a while, the first fan 81 is turned on to blow down the dust accumulated on the surface of the purifying mechanism 9 and to enter the collecting box 821, the spring 824 is compressed by pressing the pressing block 823, the dust is drawn out of the collecting box 821 to be processed, and then the collecting box 821 is continuously slid in to allow the pressing block 823 to enter the through hole 827, so that the collecting box 821 is fixed.

Specifically, as shown in fig. 5 and 6, the fixing plates 825 adopt an L-shaped structure, and a distance between the two fixing plates 825 is equal to a distance between the two limiting plates 822; the collecting box 821 is of an open-sided structure, and the top surface of the collecting box 821 is the same as the area of the lower dust opening 41, so that the collection is more comprehensive.

Specifically, as shown in fig. 4, the purification mechanism 9 includes an activated carbon adsorption plate 91, a cold catalyst filter screen 92, a formaldehyde lyase plate 93, an anion generator 94, and a second fan 95; the activated carbon adsorption plate 91 is fixed inside the shell 4, and the cold catalyst filter screen 92 is arranged at the bottom of the activated carbon adsorption plate 91; the bottom of the cold catalyst filter screen 92 is sequentially provided with the formaldehyde lyase plate 93, the negative ion generator 94 and the second fan 95, so as to remove formaldehyde and increase negative oxygen ions.

Specifically, as shown in fig. 4, the activated carbon adsorption plate 91 is fixed inside the housing 4 by adopting a structure with a triangular cross section, and the bottom of the activated carbon adsorption plate 91 is located at the side of the lower dust port 41, so as to facilitate the falling of dust.

Specifically, as shown in fig. 4, a plurality of air outlets 51 are equidistantly formed in the surface of the base 5, the air outlets 51 are communicated with the second fan 95, the moving wheels 6 are mounted at four corners of the bottom of the base 5 in a circular truncated cone shape, so that gas can be conveniently discharged.

The formaldehyde of the furniture can be cracked and removed through the auxiliary purifying mechanism 1, green plants can be planted through the planting pot 2, dust generated by filtration can be collected through the container 3, the moving wheel 6 is convenient for integral movement, the purifying and feeding mechanism 7 can realize gas inlet, the dust collecting mechanism 8 can realize dust collection, and the purifying mechanism 9 can realize the cracking of the formaldehyde and the increase of negative oxygen ions; the method specifically comprises the following steps:

(1) when the formaldehyde in new furniture is treated, the first folding plate 11 can be lifted out through the handle 12, the titanium dioxide aqueous solution in the container 3 is sprayed through the high-pressure spray head 112, a nano-scale film is formed after solidification, harmful substances emitted from the surface of a base material are decomposed into carbon dioxide and water, secondary pollution is avoided, and meanwhile, the ultraviolet lamp 111 can crack the formaldehyde on the surface of the furniture to eliminate the formaldehyde on the surface of the new furniture; simultaneously, through handle 73 pull is gone out the fly leaf 72 will the top cap 75 the inlet port 74 exposes, opens second fan 95, and the indoor gas of being convenient for passes through inlet port 74 gets into the inside of purification mechanism 9 utilizes active carbon adsorption plate 91 cold catalyst filter screen 92 formaldehyde lyase board 93 the gaseous purification that realizes the air of anion generator 94.

(2) After the purification is completed, the movable plate 72 is pushed to close the air inlet 74, after the purification device is used for a while, the first fan 81 is opened to blow down the dust accumulated on the surface of the purification mechanism 9 and make the dust enter the interior of the collection box 821, the spring 824 is compressed by pressing the pressing block 823, the collection box 821 is drawn out and processed, then the collection box 821 is continuously slid in, and the pressing block 823 enters the interior of the through hole 827 to fix the collection box 821.

According to the anion formaldehyde purification equipment provided by the invention, the handle 12 is lifted up, the formaldehyde on the surface of a new furniture can be cracked through the high-pressure sprayer 112 and the ultraviolet lamp tube 111, and the furniture with different heights can be conveniently treated through the rotary connection among the folded plates and the extension to the proper height; when indoor air is purified, the air outlet holes 51 can be exposed in a pulling mode, the air inlet holes 74 on two sides can be selectively exposed according to requirements to suck air, the air suction amount is increased, and the indoor air purifier is suitable for purifying indoor environments in different spaces; utilize the fan with special structure when purifying the dust on activated carbon adsorption plate 91 surface blows down and passes through collection mechanism 82 collects, avoids inside to block up, prolongs holistic life, improves purification efficiency.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An indoor formaldehyde purification method is characterized by comprising the following steps:

the formaldehyde purifier adopted in the method comprises an auxiliary purifying mechanism (1), a planting pot (2), a container (3), a shell (4), a base (5), a movable wheel (6), a purifying and feeding mechanism (7), a dust collecting mechanism (8) and a purifying mechanism (9); the moving wheel (6) is installed at the bottom of the base (5), and the top of the base (5) is fixed and communicated with the shell (4); the inside of the shell (4) is provided with the purification mechanism (9) for dust removal, and the bottom of the shell (4) is provided with the dust collection mechanism (8); the dust collecting mechanism (8) is used for collecting dust generated by the purifying mechanism (9), and the side part of the shell (4) is rotatably connected with the purifying and feeding mechanism (7); the top of the shell (4) is provided with the container (3) for containing the titanium dioxide aqueous solution, and the top of the dust collection box (3) is communicated with the auxiliary purification mechanism (1) for spraying and purifying; the planting pots (2) are arranged on two sides of the top of the container (3);

the auxiliary purifying mechanism (1) comprises a first folded plate (11), a handle (12), a second folded plate (13), a third folded plate (14) and a placing groove (15), wherein the third folded plate (14) is rotatably connected to the top of the container (3), and one end of the third folded plate (14) is rotatably connected with the second folded plate (13); the surface of the second folded plate (13) is provided with the placing groove (15), and the other end of the second folded plate (13) is rotatably connected with the first folded plate (11); the handle (12) is arranged on the side part of the first folded plate (11), and a plurality of ultraviolet lamps (111) and high-pressure spray heads (112) are respectively arranged at the bottom of the first folded plate (11); the ultraviolet lamp (111) and the high-pressure spray head (112) are matched and connected with the placing groove (15), and the high-pressure spray head (112) is communicated with the container (3);

the rotation angle between the second flap (13) and the first flap (11) and the third flap (14) is 0-360 degrees, and the first flap (11), the second flap (13) and the third flap (14) are the same in shape and size;

the purifying and feeding mechanism (7) comprises a side baffle (71), a movable plate (72), a handle (73), an air inlet hole (74) and a top cover (75), the side baffle (71) is rotatably connected to two sides of the shell (4), and the movable plate (72) is fixed to the side part of the side baffle (71); the handle (73) is fixed on the side part of the movable plate (72), and the top cover (75) is fixed on the movable plate (72) and the top of the side baffle (71); the top of the top cover (75) is provided with a plurality of air inlet holes (74) at equal intervals;

the side baffle (71) adopts an isosceles triangle structure, and the movable plate (72) is welded at the side part of the side baffle (71); the movable plate (72) is connected with the shell (4) in a clamping manner;

the dust collecting mechanism (8) comprises a first fan (81) and a collecting mechanism (82), the first fan (81) is installed at the center of the top end of the inner side of the shell (4), and the collecting mechanism (82) comprises a collecting box (821), a limiting plate (822), a pressing block (823), a spring (824), a fixing plate (825), a rubber block (826) and a through hole (827); a lower dust opening (41) is formed in the bottom of the shell (4), and the rubber block (826) is arranged on the outer side of the lower dust opening (41); the fixing plate (825) is arranged on the side part of the lower dust port (41), and the through hole (827) is formed in the surface of the fixing plate (825); the through hole (827) is connected with the pressing block (823) in a matching mode, and the pressing block (823) is connected with the limiting plate (822) through the spring (824); the limiting plates (822) are fixed on two sides of the collecting box (821);

the fixing plates (825) adopt an L-shaped structure, and the distance between the two fixing plates (825) is equal to the distance between the two limiting plates (822); the collecting box (821) adopts a structure with an opening-shaped side part, and the top surface of the collecting box (821) has the same area with the lower dust opening (41);

the purification mechanism (9) comprises an activated carbon adsorption plate (91), a cold catalyst filter screen (92), a formaldehyde lyase plate (93), a negative ion generator (94) and a second fan (95); the activated carbon adsorption plate (91) is fixed in the shell (4), and the cold catalyst filter screen (92) is arranged at the bottom of the activated carbon adsorption plate (91); the bottom of the cold catalyst filter screen (92) is sequentially provided with the formaldehyde lyase plate (93), the negative ion generator (94) and the second fan (95);

the activated carbon adsorption plate (91) is fixed in the shell (4) by adopting a structure with a triangular cross section, and the bottom of the activated carbon adsorption plate (91) is positioned on the side part of the lower dust port (41);

a plurality of air outlet holes (51) are formed in the surface of the base (5) at equal intervals, the air outlet holes (51) are communicated with the second fan (95), and the four corners of the bottom of the base (5) in the cone-shaped structure are provided with the moving wheels (6);

when the device is used, formaldehyde of furniture can be cracked and removed through the auxiliary purifying mechanism (1), green plants can be planted through the planting basin (2), dust generated by filtration can be collected through the container (3), the moving wheel (6) is convenient to move integrally, the purifying feeding mechanism (7) can realize gas inlet, the dust collecting mechanism (8) can realize dust collection, and the purifying mechanism (9) can realize formaldehyde cracking and negative oxygen ion increase; when the formaldehyde in new furniture is treated, the first folded plate (11) can be lifted out through the handle (12), titanium dioxide aqueous solution in the container (3) is sprayed through the high-pressure spray head (112), a nano-scale film is formed after solidification, harmful substances emitted from the surface of a base material are decomposed into carbon dioxide and water, secondary pollution is avoided, and meanwhile, the ultraviolet lamp (111) can crack the formaldehyde on the surface of the furniture to eliminate the formaldehyde on the surface of the new furniture; meanwhile, the handle (73) is pulled out of the movable plate (72) to expose the air inlet hole (74) of the top cover (75), the second fan (95) is opened, so that indoor air can conveniently enter the purifying mechanism (9) through the air inlet hole (74), and air purification is realized by utilizing the air of the activated carbon adsorption plate (91), the cold catalyst filter screen (92), the formaldehyde lyase plate (93) and the anion generator (94); after purification is finished, the movable plate (72) is pushed to close the air inlet (74), after the device is used for a period of time, the first fan (81) can be opened, dust accumulated on the surface of the purification mechanism (9) is blown down to enter the collection box (821), the spring (824) can be compressed and pulled out by pressing the pressing block (823), the collection box (821) is processed, then the collection box (821) is continuously slid in, and the pressing block (823) enters the through hole (827) to fix the collection box (821).