CN114053867A - Photocatalysis-based formaldehyde decomposition device and decomposition method for decoration building - Google Patents
Photocatalysis-based formaldehyde decomposition device and decomposition method for decoration building Download PDFInfo
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Abstract
The utility model discloses a photocatalysis-based formaldehyde decomposition device and a photocatalysis-based formaldehyde decomposition method for a decorated building, relates to the technical field of formaldehyde decomposition, and solves the problems that in the prior art, the air quantity of an air inlet cannot be adjusted, when the air quantity of the air inlet is increased, a certain thrust is formed on a catalytic plate, the catalytic plate is loosened, the catalytic plate is obliquely arranged, the space of an air inlet cylinder is increased, and the volume of the whole equipment is increased. According to the photocatalysis-based formaldehyde decomposition device and the decomposition method for the decorated building, the lower shell of the device is movably connected with the upper shell of the device, so that the volume of the whole device can be compressed; utilize the flexible structure of casing under the device and device on the casing, installation catalysis subassembly, when the guide bar slope, catalysis board automatic adjustment clearance to slope in step with the guide bar, increase the working space of catalysis board, according to how much of intake carry out catalysis board position adjustment, can deal with different fitment buildings and purify the needs.
Description
Technical Field
The utility model relates to the technical field of formaldehyde decomposition, in particular to a photocatalysis-based formaldehyde decomposition device and a photocatalysis-based formaldehyde decomposition method for a decorated building.
Background
The photocatalyst takes titanium dioxide and other photo-semiconductor materials as catalysts, oxygen molecules and water molecules in the air are utilized to oxidize and decompose small molecular organic matters into carbon dioxide and water under the action of light, the photocatalyst does not change, can be used permanently in theory, has low maintenance cost, and has the advantages of environmental protection and low carbon, and the photocatalytic oxidation technology is an ideal material for treating indoor environmental pollution.
Chinese patent CN209501301U discloses a formaldehyde removing device, wherein an air inlet cylinder and an air outlet cylinder are both fixed on a liquid storage tank; a mesh plate is fixedly arranged at the top end of the air inlet cylinder; the photocatalytic plates are in a ladder shape and are arranged obliquely downwards; a plurality of salient points are uniformly distributed on the inner side wall of the air inlet cylinder; the inner side surface of the air inlet cylinder is coated with reflective paint; the fixed shaft is fixed on the light-transmitting pore plate; the photocatalytic propulsion type paddle is rotationally connected with the fixed shaft; the surfaces of the photocatalytic plate and the photocatalytic propulsion type paddle are both provided with a titanium dioxide photocatalytic coating; the bottom of the air outlet cylinder is communicated with the inner cavity of the liquid storage tank. When the formaldehyde absorption structure is used, the structure can completely absorb the decomposed formaldehyde, reduce the humidity of the environment for ensuring use and reduce the content of indoor carbon dioxide; the photocatalytic plates arranged in a ladder shape increase the contact area with light and improve the formaldehyde decomposition efficiency.
Although this application solves the problems of the background art to some extent, the fixed position of the catalytic plate in this application has the following problems: 1. the air quantity of the air inlet can not be adjusted, and when the air quantity of the air inlet is increased, certain thrust is formed on the catalytic plate, so that the catalytic plate is loosened; 2. after the catalytic board is obliquely arranged, the space of the air inlet cylinder is increased, so that the volume of the whole equipment is increased.
Disclosure of Invention
The utility model aims to provide a photocatalysis-based formaldehyde decomposition device and a decomposition method for a decorated building, wherein a lower shell of the device is movably connected with an upper shell of the device, a telescopic structure is adopted, the volume of the whole device can be compressed, and when the device is not used, the storage volume of the device is reduced, so that the transportation is convenient; the catalytic components are installed by utilizing the telescopic structures of the lower shell and the upper shell of the device, when the guide rod inclines, the catalytic plates automatically adjust the gap and incline synchronously with the guide rod, the working space of the catalytic plates is increased, the position of the catalytic plates is adjusted according to the amount of intake air, and the purification requirements of different decorated buildings can be met; the dust collection box is arranged, so that the air to be purified is firstly subjected to dust collection, and the dust is collected by the dust collection drawer, so that the dust in the discharged gas is prevented from rising; the movable rotating shaft capable of rotating is arranged in the air outlet cylinder, the position of the first semicircular plate and the position of the second semicircular plate are changed by rotating the movable rotating shaft, and exhausted gas is selected to contain no water vapor, so that the air outlet cylinder is suitable for different environments and is flexible to use, and the problems in the background art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a formaldehyde decomposition device for decoration buildings based on photocatalysis comprises a device shell, wherein the device shell comprises a device lower shell and a device upper shell, the device lower shell and the device upper shell are movably connected, air inlets are symmetrically formed in two sides of the device lower shell, a dust removal box body is arranged in the device lower shell on one side of the air inlets, a negative pressure fan is arranged at the lower end of the device lower shell, an air quantity control plate is arranged in the device lower shell above the negative pressure fan, the device lower shell and the device upper shell are jointly connected with a catalysis assembly, an air outlet cylinder is arranged at the upper end of the device upper shell, the air quantity control plate comprises a turnover plate, a driving motor and a transmission assembly, two ends of the turnover plate are respectively and movably connected with the inner wall of the device lower shell, one end of the turnover plate is connected with the transmission assembly, one end of the transmission assembly is connected with the driving motor, and the driving motor is arranged on the outer wall of the device lower shell, the catalysis assembly comprises a guide rod, a catalysis plate, a supporting spring and end connecting pieces, wherein the end connecting pieces are symmetrically arranged at two ends of the guide rod, the catalysis plate is sleeved with the guide rod, and the catalysis plate is connected with the guide rod through the supporting spring.
Preferably, the upper end of the lower casing of the device is provided with an internal sliding plate, the lower end of the upper casing of the device is provided with an external sliding plate, the external sliding plate is movably connected with the internal sliding plate, the two sides of the internal sliding plate are symmetrically provided with limiting sliding strips, the limiting sliding strips are provided with positioning grooves, the inner wall of the external sliding plate is provided with sliding grooves matched with the limiting sliding strips, and the side wall of the lower casing of the device is provided with light reflecting bulges in a staggered manner.
Preferably, light-passing plates are symmetrically arranged on two sides of the upper shell of the device, and the positions of the light-passing plates are higher than those of the catalytic plates.
Preferably, the end connecting pieces are provided with two end connecting pieces which are respectively hinged with the inner walls of the inner sliding plate and the outer sliding plate.
Preferably, the both ends of guide bar are provided with the limiting plate, and the both ends of guide bar cup joint with end connection spare respectively, and the guide bar is provided with extension spring on arranging end connection spare inside position in, and extension spring's one end and end connection spare's one end fixed connection, and the upper end of catalysis board is provided with perpendicular hangers, and perpendicular hangers cup joints with the guide bar, and one side and the supporting spring fixed connection of perpendicular hangers have hung the reflector panel on the supporting spring, and the reflector panel is polyhedral structure board.
Preferably, driving motor's output is connected with the driving gear, and transmission assembly includes driven gear and transmission shaft, and the transmission shaft runs through the returning face plate, and the one end of transmission shaft is provided with driven gear, driven gear and driving gear meshing, is provided with drive gear on the transmission shaft, and drive gear passes through the chain and connects.
Preferably, a lamp body groove is formed in the upper end of the dust removal box body, an ultraviolet lamp is arranged in the lamp body groove, dust screens are symmetrically arranged on two sides of the dust removal box body, a first blocking plate is arranged inside the dust removal box body, and a dust collection drawer is arranged at the lower end of the dust removal box body.
Preferably, a second blocking plate is arranged in the dust collection drawer, and the second blocking plate and the first blocking plate are arranged in a staggered mode.
Preferably, the lower extreme of play dryer is provided with collects the cover, the center through connection of play dryer has the activity pivot, the upper end of activity pivot is provided with first semicircle board, the lower extreme of activity pivot is provided with the second semicircle board, first semicircle board and second semicircle board dislocation set, the last fixed surface of first semicircle board is connected with the air outlet, the closure is connected with the cotton that absorbs water in the play dryer, be provided with on the inner wall of play dryer with the cotton assorted closure groove that absorbs water, cotton one side of absorbing water has been seted up with activity pivot phase-match pivot groove, the pivot groove is connected with the activity pivot block.
The utility model aims to solve another technical problem of providing a decomposition method of a formaldehyde decomposition device of a decorated building based on photocatalysis, which comprises the following steps:
s1: before use, the upper shell of the device is lifted upwards, so that when the upper shell of the device drives the external sliding plate to move upwards, the end connecting piece connected with the upper shell of the device moves upwards simultaneously, one end of the guide rod inclines upwards, and the catalytic plates are integrally distributed in an inclined manner;
s2: the negative pressure fan works to drive air outside the device shell to enter from the air inlet, large impurities are filtered under the action of the dustproof net, and then the first barrier plate and the second barrier plate are used for blocking, so that dust particles in the air fall into the dust collection drawer;
s3: filtered air enters the device shell through the gap of the turnover plate, the catalytic plate decomposes formaldehyde in the air into carbon dioxide and water by taking titanium dioxide as a catalyst under illumination, and the reflecting plate and the reflecting protrusions increase the reaction area;
s4: gas containing water vapor enters the air outlet cylinder from the collecting cover, the first semicircular plate is rotated to the side opposite to the absorbent cotton, the water vapor is discharged through the air outlet, the air humidity is increased, the first semicircular plate is rotated to the side corresponding to the absorbent cotton, and the gas is discharged after the water vapor is absorbed by the absorbent cotton;
s5: when the emission is required to be increased, the upper shell of the device is improved, and meanwhile, the turnover plates are driven to rotate under the control of the driving motor, so that the gaps between the turnover plates are enlarged, and the air input is improved.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the photocatalysis-based formaldehyde decomposition device and the decomposition method for the decorated building, the lower shell of the device is movably connected with the upper shell of the device, a telescopic structure is adopted, the volume of the whole device can be compressed, the storage volume of the device is reduced when the device is not used, and the transportation is convenient.
2. The photocatalysis-based formaldehyde decomposition device for the decorated buildings and the decomposition method thereof provided by the utility model utilize the telescopic structures of the lower shell and the upper shell of the device, the catalytic assembly is installed, when the guide rod inclines, the catalytic plate automatically adjusts the gap and inclines synchronously with the guide rod, the working space of the catalytic plate is increased, the position of the catalytic plate is adjusted according to the amount of air intake, and the photocatalysis-based formaldehyde decomposition device can meet the purification requirements of different decorated buildings.
3. The photocatalysis-based formaldehyde decomposition device and the photocatalysis-based formaldehyde decomposition method for the decorated building are provided with the dust removal box body, the air to be purified is firstly removed with dust, and the dust is collected by the dust collection drawer, so that the dust in the discharged gas is avoided.
4. The utility model provides a photocatalysis-based formaldehyde decomposition device and a decomposition method for a decorated building, wherein a rotatable movable rotating shaft is arranged in an air outlet cylinder, the position change of a first semicircular plate and a second semicircular plate is realized by rotating the movable rotating shaft, and exhausted gas does not contain water vapor, so that the photocatalysis-based formaldehyde decomposition device is suitable for different environments and is flexible to use.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a view showing the internal structure of the device case of the present invention;
FIG. 3 is a view showing the construction of the dust-removing case of the present invention;
FIG. 4 is a structural view of an air volume control plate of the present invention;
FIG. 5 is a schematic view of a catalytic assembly according to the present invention;
FIG. 6 is a view showing the construction of the catalytic module A of the present invention;
FIG. 7 is a view showing the structure of an air outlet cylinder according to the present invention;
fig. 8 is an exploded view of the air outlet duct of the present invention.
In the figure: 1. a device housing; 11. a lower housing of the device; 111. an air inlet; 112. a negative pressure fan; 113. an inner slide; 1131. a limiting slide bar; 114. a light reflecting projection; 12. an upper device housing; 121. an outer slide plate; 122. a light-transmitting plate; 2. a dust removal box body; 21. a lamp body groove; 22. an ultraviolet lamp; 23. a dust screen; 24. a first barrier plate; 25. a dust collection drawer; 251. a second barrier panel; 3. an air volume control plate; 31. a turnover plate; 32. a drive motor; 321. a driving gear; 33. a transmission assembly; 331. a driven gear; 332. a drive shaft; 3321. a transmission gear; 4. a catalytic component; 41. a guide bar; 411. an extension spring; 42. a catalyst plate; 421. hanging the ears vertically; 43. a support spring; 431. a reflector; 44. an end connector; 5. an air outlet cylinder; 51. a collection hood; 52. a movable rotating shaft; 53. a first semi-circular plate; 531. an air outlet; 54. a second semicircular plate; 55. absorbent cotton.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a formaldehyde decomposition device for a decorated building based on photocatalysis comprises a device housing 1, the device housing 1 comprises a device lower housing 11 and a device upper housing 12, the device lower housing 11 is movably connected with the device upper housing 12, air inlets 111 are symmetrically formed on two sides of the device lower housing 11, a dust removing box body 2 is installed in the device lower housing 11 on one side of the air inlets 111, a negative pressure fan 112 is arranged at the lower end of the device lower housing 11, an air volume control plate 3 is arranged in the device lower housing 11 above the negative pressure fan 112, the device lower housing 11 and the device upper housing 12 are jointly connected with a catalytic assembly 4, an air outlet cylinder 5 is arranged at the upper end of the device upper housing 12, an internal sliding plate 113 is arranged at the upper end of the device lower housing 11, an external sliding plate 121 is arranged at the lower end of the device upper housing 12, the external sliding plate 121 is movably connected with the internal sliding plate 113, and limiting sliding strips 1131 are symmetrically arranged on two sides of the internal sliding plate 113, the limiting slide bar 1131 is provided with a positioning groove, the inner wall of the external slide plate 121 is provided with a sliding groove matched with the limiting slide bar 1131, the sliding groove is internally provided with a positioning top block, the positioning top block comprises a spring and a round head block, one end of the spring is fixedly connected with the sliding groove, the other end of the spring is fixedly connected with the round head block, the round head block is clamped and connected with the positioning groove under the support of the spring and is used for limiting the position of the upper shell 12 of the device, the lower shell 11 and the upper shell 12 of the device adopt a telescopic structure and can compress the volume of the whole device, when the device is not used, the storage volume of the device is reduced, the transportation is convenient, the side wall of the lower shell 11 of the device is provided with the reflecting bulges 114 in a staggered manner to increase the reaction area, the two sides of the upper shell 12 of the device are symmetrically provided with the light transmission plates 122, the position of the light transmission plates 122 is higher than the position of the catalytic plate 42, and the light transmission plates 122 can preferentially use natural light to carry out photocatalysis, when natural light is insufficient, the light is irradiated by an inner and outer line lamp.
Referring to fig. 3, a lamp body groove 21 is formed at the upper end of the dust-removing box 2, an ultraviolet lamp 22 is disposed in the lamp body groove 21, the ultraviolet lamp 22 is used when there is no illumination, dust screens 23 are symmetrically disposed at both sides of the dust-removing box 2, the aperture of the dust screen 23 at one side of the dust-removing box 2 close to the negative pressure fan 112 is smaller than that of the dust screen 23 at the other side, a first blocking plate 24 is disposed inside the dust-removing box 2, a dust-collecting drawer 25 is disposed at the lower end of the dust-removing box 2, a second blocking plate 251 is disposed in the dust-collecting drawer 25, the second blocking plate 251 and the first blocking plate 24 are staggered, the gas entering the dust-removing box 2 is blocked by the first blocking plate 24 and the second blocking plate 251 and flows in an S shape, dust particles existing in the gas fall into the dust-collecting drawer 25 under the collision of the first blocking plate 24 and the second blocking plate 251, so as to collect the dust particles, in a decorated building, dust is often large, and is collected through the dust collection drawer 25, so that dust flying in discharged gas is avoided.
Referring to fig. 4, the air volume control plate 3 includes a turnover plate 31, a driving motor 32 and a transmission assembly 33, two ends of the turnover plate 31 are movably connected to an inner wall of the lower housing 11 of the device, respectively, one end of the turnover plate 31 is connected to the transmission assembly 33, one end of the transmission assembly 33 is connected to the driving motor 32, the driving motor 32 is installed on an outer wall of the lower housing 11 of the device, an output end of the driving motor 32 is connected to a driving gear 321, the transmission assembly 33 includes a driven gear 331 and a transmission shaft 332, the transmission shaft 332 penetrates through the turnover plate 31, one end of the transmission shaft 332 is provided with a driven gear 331, the driven gear 331 is engaged with the driving gear 321, the transmission shaft 332 is provided with a transmission gear 3321, the transmission gear 3321 is connected by a chain, the driving gear 321 is driven by the driving motor 32 to rotate, the driven gear 331 is controlled to drive the transmission shaft 332 to rotate, so as to adjust a gap between the turnover plate 31 and change a size of an air intake, is suitable for the purification requirements in different decorated buildings.
Referring to fig. 5-6, the catalytic assembly 4 includes a guide rod 41, a catalytic plate 42, two supporting springs 43 and two end connectors 44, the two ends of the guide rod 41 are symmetrically provided with the end connectors 44, the catalytic plate 42 is sleeved with the guide rod 41, the catalytic plates 42 are connected with each other by the supporting springs 43, the two end connectors 44 are hinged to the inner walls of the inner sliding plate 113 and the outer sliding plate 121, when the outer sliding plate 121 is driven by the upper housing 12 of the device to move up, the end connectors 44 connected to the upper housing 12 of the device move up at the same time, one end of the guide rod 41 tilts up, the end connectors 44 connected to the inner sliding plate 113 remain stationary, the guide rod 41 moves out in the inner position of the end connectors 44, so that the catalytic assembly 4 is integrally stretched, the working range of the catalytic plate 42 can be increased, the catalytic efficiency is improved, and the catalytic assembly is suitable for a large air volume working environment, limiting plates are arranged at two ends of a guide rod 41, two ends of the guide rod 41 are respectively sleeved with an end connecting piece 44, an extension spring 411 is arranged at a position of the guide rod 41, which is arranged inside the end connecting piece 44, one end of the extension spring 411 is fixedly connected with one end of the end connecting piece 44, a vertical hanging lug 421 is arranged at the upper end of a catalytic plate 42, the vertical hanging lug 421 is sleeved with the guide rod 41, the number of the catalytic plates 42 is not less than three, the catalytic plates 42 are obliquely arranged and can increase contact surfaces with gas, the catalytic plates 42 at the end positions of the guide rod 41 are fixedly connected with the guide rod 41, when the guide rod 41 is inclined, the positions of the catalytic plates 42 at the two ends on the guide rod 41 are unchanged, the integral position of the catalytic plate 42 assembly is limited, one side of the vertical hanging lug 421 is fixedly connected with a supporting spring 43, a reflecting plate 431 is hung on the supporting spring 43, and the reflecting plate 431 is a polyhedral structure plate, during the catalytic operation, the reflector 431 is blown by wind, so as to reflect light and increase light to the catalytic plate 42.
Referring to fig. 7-8, a collecting cover 51 is disposed at the lower end of the air outlet barrel 5, a movable rotating shaft 52 is penetratingly connected to the center of the air outlet barrel 5, a first semicircular plate 53 is disposed at the upper end of the movable rotating shaft 52, a second semicircular plate 54 is disposed at the lower end of the movable rotating shaft 52, the first semicircular plate 53 and the second semicircular plate 54 are arranged in a staggered manner, an air outlet 531 is fixedly connected to the upper surface of the first semicircular plate 53, absorbent cotton 55 is connected to the inside of the air outlet barrel 5 in a snap-fit manner, a snap-fit groove matched with the absorbent cotton 55 is disposed on the inner wall of the air outlet barrel 5, a rotating shaft groove matched with the movable rotating shaft 52 is disposed at one side of the absorbent cotton 55, and the rotating shaft groove is connected to the movable rotating shaft 52 in a snap-fit manner.
In order to better show the decomposition process of the formaldehyde decomposition device of the decorated building based on photocatalysis, the embodiment now provides a decomposition method of the formaldehyde decomposition device of the decorated building based on photocatalysis, which comprises the following steps:
the method comprises the following steps: before use, the upper device shell 12 is lifted upwards, so that when the upper device shell 12 drives the external sliding plate 121 to move upwards, the end connecting piece 44 connected with the upper device shell 12 moves upwards simultaneously, one end of the guide rod 41 inclines upwards, and the catalytic plate 42 is integrally distributed in an inclined manner;
step two: the negative pressure fan 112 works to drive the air outside the device shell 1 to enter from the air inlet 111, large impurities are filtered under the action of the dustproof net 23, then the air is blocked by the first blocking plate 24 and the second blocking plate 251, the second blocking plate 251 and the first blocking plate 24 are arranged in a staggered mode, the air entering the dust removal box body 2 flows in an S shape, and dust particles in the air fall into the dust collection drawer 25 under the collision of the first blocking plate 24 and the second blocking plate 251;
step three: the filtered air enters the device shell 1 through the gaps of the turnover plate 31, the catalytic plate 42 decomposes formaldehyde in the air into carbon dioxide and water by taking titanium dioxide as a catalyst under the illumination of the catalytic plate 42, and the reflecting plate 431 and the reflecting protrusions 114 increase the reaction area;
step four: the gas containing water vapor enters the air outlet barrel 5 from the collecting cover 51, the first semicircular plate 53 is rotated to the side opposite to the absorbent cotton 55, the water vapor is discharged through the air outlet 531, the air humidity is increased, the first semicircular plate 53 is rotated to the side corresponding to the absorbent cotton 55, and the gas is discharged after the water vapor is absorbed by the absorbent cotton 55;
step five: when the discharge amount needs to be increased, the upper shell 12 of the device is lifted, and simultaneously, the turnover plates 31 are driven to rotate under the control of the driving motor 32, so that the gaps between the turnover plates 31 are enlarged, and the air input is increased.
In summary, the following steps: according to the photocatalysis-based formaldehyde decomposition device and the decomposition method for the decorated building, the lower shell 11 of the device is movably connected with the upper shell 12 of the device, a telescopic structure is adopted, the volume of the whole device can be compressed, the storage volume of the device is reduced when the device is not used, and the transportation is convenient; the catalytic component 4 is installed by utilizing the telescopic structure of the lower device shell 11 and the upper device shell 12, when the guide rod 41 inclines, the catalytic plate 42 automatically adjusts the gap and inclines synchronously with the guide rod 41, the working space of the catalytic plate 42 is increased, the position of the catalytic plate 42 is adjusted according to the amount of air intake, and the purification requirements of different decorated buildings can be met; the dust removal box body 2 is arranged to remove dust of air to be purified, and the dust collection drawer 25 is used for collecting dust so as to avoid dust raising in discharged gas; the air outlet cylinder 5 is internally provided with a rotatable movable rotating shaft 52, the position of the first semicircular plate 53 and the position of the second semicircular plate 54 can be changed by rotating the movable rotating shaft 52, and exhausted gas is selected to contain no water vapor, so that the air outlet cylinder is suitable for different environments and is flexible to use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. Fitment building formaldehyde decomposition device based on photocatalysis, including device casing (1), its characterized in that: the device comprises a device shell (1) and a device upper shell (12), wherein the device lower shell (11) is movably connected with the device upper shell (12), air inlets (111) are symmetrically formed in two sides of the device lower shell (11), a dust removal box body (2) is installed in the device lower shell (11) on one side of the air inlets (111), a negative pressure fan (112) is arranged at the lower end of the device lower shell (11), an air volume control plate (3) is arranged in the device lower shell (11) above the negative pressure fan (112), the device lower shell (11) and the device upper shell (12) are jointly connected with a catalytic assembly (4), an air outlet cylinder (5) is arranged at the upper end of the device upper shell (12), the air volume control plate (3) comprises a turnover plate (31), a driving motor (32) and a transmission assembly (33), and two ends of the turnover plate (31) are respectively movably connected with the inner wall of the device lower shell (11), one end of the turnover plate (31) is connected with the transmission assembly (33), one end of the transmission assembly (33) is connected with the driving motor (32), the driving motor (32) is installed on the outer wall of the lower shell (11) of the device, the catalysis assembly (4) comprises a guide rod (41), a catalysis plate (42), a supporting spring (43) and an end connecting piece (44), the end connecting pieces (44) are symmetrically arranged at two ends of the guide rod (41), the catalysis plate (42) is sleeved with the guide rod (41), and the catalysis plate (42) is connected with the supporting spring (43).
2. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: the device is characterized in that an inner sliding plate (113) is arranged at the upper end of a lower shell (11), an outer sliding plate (121) is arranged at the lower end of an upper shell (12), the outer sliding plate (121) is movably connected with the inner sliding plate (113), limiting sliding strips (1131) are symmetrically arranged on two sides of the inner sliding plate (113), positioning grooves are formed in the limiting sliding strips (1131), sliding grooves matched with the limiting sliding strips (1131) are formed in the inner wall of the outer sliding plate (121), and light reflecting protrusions (114) are arranged on the side wall of the lower shell (11) in a staggered mode.
3. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: light-transmitting plates (122) are symmetrically arranged on two sides of the upper shell (12) of the device, and the positions of the light-transmitting plates (122) are higher than that of the catalytic plate (42).
4. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 2, wherein: the two end connecting pieces (44) are arranged, and the two end connecting pieces (44) are respectively hinged with the inner walls of the inner sliding plate (113) and the outer sliding plate (121).
5. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: the both ends of guide bar (41) are provided with the limiting plate, the both ends of guide bar (41) cup joint with end connection spare (44) respectively, and guide bar (41) are arranged in and are provided with extension spring (411) on the inside position of end connection spare (44), the one end of extension spring (411) and the one end fixed connection of end connection spare (44), the upper end of catalysis board (42) is provided with perpendicular hangers (421), perpendicular hangers (421) cup joint with guide bar (41), one side and supporting spring (43) fixed connection of perpendicular hangers (421), it has reflector panel (431) to hang on supporting spring (43), reflector panel (431) are the polyhedron structural slab.
6. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: the output end of the driving motor (32) is connected with a driving gear (321), the transmission assembly (33) comprises a driven gear (331) and a transmission shaft (332), the transmission shaft (332) penetrates through the turnover plate (31), the driven gear (331) is arranged at one end of the transmission shaft (332), the driven gear (331) is meshed with the driving gear (321), a transmission gear (3321) is arranged on the transmission shaft (332), and the transmission gear (3321) is connected through a chain.
7. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: the lamp body groove (21) is opened at the upper end of the dust removal box body (2), the ultraviolet lamp (22) is arranged in the lamp body groove (21), the dust screens (23) are symmetrically arranged on two sides of the dust removal box body (2), the first barrier plate (24) is arranged in the dust removal box body (2), and the dust collection drawer (25) is arranged at the lower end of the dust removal box body (2).
8. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 7, wherein: the dust collection drawer (25) is internally provided with a second blocking plate (251), and the second blocking plate (251) and the first blocking plate (24) are arranged in a staggered mode.
9. A photocatalytic based formaldehyde destruction unit for finishing buildings as in claim 1, wherein: the lower extreme of play dryer (5) is provided with collects cover (51), the center through connection of play dryer (5) has activity pivot (52), the upper end of activity pivot (52) is provided with first semicircle board (53), the lower extreme of activity pivot (52) is provided with second semicircle board (54), first semicircle board (53) and second semicircle board (54) dislocation set, the last fixed surface of first semicircle board (53) is connected with air outlet (531), go out dryer (5) interior joint and be connected with cotton (55) that absorb water, be provided with on the inner wall of play dryer (5) with cotton (55) assorted block groove that absorbs water, cotton (55) one side of absorbing water seted up with activity pivot (52) phase-match pivot groove, the pivot groove is connected with activity pivot (52) block.
10. A decomposition method of the formaldehyde decomposition device of the decorated building based on photocatalysis as claimed in any one of claims 1-9, comprising the steps of:
s1: before use, the upper shell (12) of the device is lifted upwards, so that when the upper shell (12) of the device drives the external sliding plate (121) to move upwards, the end connecting piece (44) connected with the upper shell (12) of the device moves upwards simultaneously, one end of the guide rod (41) inclines upwards, and the catalytic plates (42) are integrally distributed in an inclined manner;
s2: the negative pressure fan (112) works to drive air outside the device shell (1) to enter from the air inlet (111), large impurities are filtered under the action of the dustproof net (23), then the first blocking plate (24) and the second blocking plate (251) block the large impurities, and dust particles in the air fall into the dust collection drawer (25);
s3: filtered air enters the device shell (1) through the gaps of the turnover plate (31), the catalytic plate (42) decomposes formaldehyde in the air into carbon dioxide and water by taking titanium dioxide as a catalyst under the illumination of the catalytic plate (42), and the reaction area is increased by the reflector (431) and the reflective protrusions (114);
s4: gas containing water vapor enters the air outlet barrel (5) from the collecting cover (51), the first semicircular plate (53) is rotated to the side opposite to the absorbent cotton (55), the water vapor is discharged through the air outlet (531), the air humidity is increased, the first semicircular plate (53) is rotated to the side corresponding to the absorbent cotton (55), and the gas is discharged after the water vapor is absorbed by the absorbent cotton (55);
s5: when the discharge amount needs to be increased, the upper shell (12) of the device is increased, and meanwhile, the turnover plates (31) are driven to rotate under the control of the driving motor (32), so that the gaps among the turnover plates (31) are enlarged, and the air inflow is increased.
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| CN202111417910.6A CN114053867B (en) | 2021-11-25 | 2021-11-25 | Photocatalytic decoration building formaldehyde decomposition device and decomposition method thereof |
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| CN202111417910.6A CN114053867B (en) | 2021-11-25 | 2021-11-25 | Photocatalytic decoration building formaldehyde decomposition device and decomposition method thereof |
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Cited By (1)
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| CN115597158A (en) * | 2022-11-30 | 2023-01-13 | 深圳市民润环保科技有限公司（Cn） | Wall-mounted photocatalytic fresh air machine |
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