CN117244401B - Air purifying equipment for clean laboratory decoration ending engineering - Google Patents
Air purifying equipment for clean laboratory decoration ending engineering Download PDFInfo
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- CN117244401B CN117244401B CN202311523637.4A CN202311523637A CN117244401B CN 117244401 B CN117244401 B CN 117244401B CN 202311523637 A CN202311523637 A CN 202311523637A CN 117244401 B CN117244401 B CN 117244401B
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- purifying
- reaction plate
- reaction
- cavity
- cylinder
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- 238000005034 decoration Methods 0.000 title abstract description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 132
- 238000006243 chemical reaction Methods 0.000 claims abstract description 121
- 239000000376 reactant Substances 0.000 claims abstract description 37
- 239000011941 photocatalyst Substances 0.000 claims abstract description 36
- 238000000746 purification Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 238000004887 air purification Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 11
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 48
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention relates to the technical field of air purification, in particular to air purification equipment for clean laboratory decoration ending engineering, which comprises a shell, a purification cylinder, a positioning shaft and an environment manufacturing part, wherein when indoor air is purified, an exhaust fan at an exhaust port is started, the environment manufacturing part is used for manufacturing an environment required by a reaction between a photocatalyst reactant and formaldehyde in the air in a purification cavity, when gas in a laboratory enters the purification cavity through an air inlet, the gas carrying formaldehyde flows along a spiral channel surrounded by a reaction plate, the flow speed of the gas carrying formaldehyde in the purification cavity is slowed down through the arrangement of the spiral channel, so that the gas carrying formaldehyde can fully react with the photocatalyst reactant on fiber fluff, and meanwhile, after the flow speed of the gas is slowed down, the photocatalyst reactant taken away by the gas slowly flows is reduced, so that the loss of the photocatalyst reactant is slowed down, and the purification efficiency of the gas carrying formaldehyde is improved.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to air purification equipment for clean laboratory decoration ending engineering.
Background
As a certain amount of formaldehyde is required to be added into the traditional paint product, the formaldehyde can sterilize and prevent corrosion, effectively prevent the paint from going bad and going moldy, and after finishing house decoration, the paint can more or less exert formaldehyde gas in the drying process, and if not treated in time, the paint can cause great threat to human health.
In the prior art, for example, chinese patent publication No. CN111871201B discloses a continuously distributed photocatalyst indoor air purifying device, in which a reactant introducing box with a pushing mechanism is installed at the top of a reaction cylinder, the pushing mechanism continuously introduces a photocatalyst reactant in a storage box onto a fiber fluff photo-contact reaction surface in the up-and-down repetitive motion process, and the photocatalyst reactant is continuously coated on the rotating fiber fluff Mao Guang photo-contact reaction surface, so that shortage of the photocatalyst reactant is not caused. However, the contact area between the polluted air and the photocatalyst reactant in the publication is limited, the photocatalyst reactant is easily taken away by the air when the gas flows, the consumption speed is high, the contact reaction between sodium peroxide and water is not stable enough, generated sodium hydroxide easily flows to the bottom, and the capturing effect of the generated sodium hydroxide on dust is not efficient enough, so that the integral air purification efficiency is influenced.
Disclosure of Invention
The invention provides air purification equipment for clean laboratory decoration ending engineering, which aims to solve the problem that in the existing air purification device, catalyst reactants are easily taken away by air when gas flows, so that the air purification efficiency is low.
The air purifying device for clean laboratory decoration ending engineering adopts the following technical scheme:
an air purifying device for clean laboratory decoration ending engineering comprises a shell, a purifying cylinder, a positioning shaft and an environment manufacturing piece.
The inside of the shell is provided with an installation cavity; the purifying cylinder penetrates through the shell, a purifying cavity is formed in the purifying cylinder, an air inlet and an air outlet which are communicated with the purifying cavity and the external environment are formed in the purifying cylinder, and an exhaust fan is arranged at the air outlet; the positioning shaft is arranged in the purifying cavity, a reaction plate is arranged between the positioning shaft and the inner side wall of the purifying cylinder, the reaction plate is spirally arranged around the positioning shaft, and the reaction plate can enclose a spiral channel; the reaction plate is provided with a plurality of fiber fluff, the inside of the positioning shaft is provided with a storage cylinder, the photocatalyst reactant is stored in the storage cylinder, the storage cylinder is provided with a feeding piece, and the feeding piece can continuously supply the photocatalyst reactant in the storage cylinder to each fiber fluff; the environment manufacturing piece is used for providing an environment for the reaction of the photocatalyst reactant and formaldehyde in the air.
Further, the environmental manufacturing part comprises a first storage box, a second storage box and a light lamp; the first storage box and the second storage box are both arranged in the installation cavity, water is stored in the first storage box, and the first storage box can spray water into the purification cavity; sodium peroxide powder is stored in the second storage box, and the second storage box can spray the sodium peroxide powder into the purifying cavity; the light lamp is fixedly arranged on the inner side wall of the purifying cylinder.
Further, the reaction plate is provided with reaction cloth, the reaction cloth is arranged in a spiral channel formed by the reaction plate, the reaction cloth is provided with a plurality of reaction cloths, and the plurality of reaction cloths are uniformly distributed along the spiral channel.
Further, the reaction plate can deform, a first driving source for driving the reaction plate to deform is arranged on the positioning shaft, when the first driving source is started, the reaction plate deforms, the screw pitch of a spiral channel surrounded by the reaction plate changes, and the screw pitch of the spiral channel surrounded by the reaction plate is inversely related to the formaldehyde content of gas entering the purifying cylinder.
Further, the air inlet of the purifying cylinder is provided with a formaldehyde concentration detector, the purifying cylinder is provided with a control piece, the control piece can receive detection data of the formaldehyde concentration detector, and the control piece can control the first driving source to start according to the received data.
Further, a collecting box is arranged on the purifying cylinder, a collecting cavity is arranged in the collecting box and communicated with the purifying cavity, and the collecting cavity is used for collecting products reacted in the purifying cavity.
Further, a supporting disc is arranged in the purifying cavity and used for supporting a positioning shaft, the positioning shaft is rotatably arranged in the purifying cavity, and a connecting piece is arranged between the reaction plate and the positioning shaft and enables the positioning shaft and the reaction plate to synchronously rotate; the support disc is provided with a second driving source which is used for driving the positioning shaft to rotate.
Further, the rotation direction of the second driving source driving positioning shaft is the same as the spiral direction of the reaction plate.
Further, two purifying cylinders are arranged, the two purifying cylinders are fixedly connected, and purifying cavities in the two purifying cylinders are communicated; the positioning shafts in the two purifying cylinders are coaxially and fixedly connected; the reaction plates inside the two purifying cylinders are fixedly connected, and the spiral directions of the two reaction plates are opposite; when the screw pitch of the spiral channel surrounded by the reaction plates inside the purifying cylinders is changed, the positions of the exhaust ports of the two purifying cylinders are synchronously changed.
Further, be provided with the shutoff lid on the gas vent, the shutoff lid can slide on the gas vent, is provided with the blast pipe that runs through the shutoff lid on the shutoff lid, is provided with the third actuating source on the purifying cylinder, and the third actuating source can drive the shutoff lid and slide on the gas vent, and the slip of shutoff lid on the gas vent changes with the pitch of the spiral passageway that the reaction board encloses in step.
The beneficial effects of the invention are as follows: the invention relates to air purification equipment for clean laboratory decoration ending engineering, which comprises a shell, a purification cylinder, a positioning shaft and an environment manufacturing part, wherein after the clean laboratory decoration is finished, air in a laboratory is required to be purified, so that delivery standard is achieved, when the indoor air is purified, an exhaust fan at an exhaust port is started, the environment manufacturing part is used for manufacturing an environment required by a photocatalyst reactant and formaldehyde in the air to react in a purification cavity, when gas in the laboratory enters the purification cavity through an air inlet, the gas carrying formaldehyde flows along a spiral channel surrounded by a reaction plate, and the flow speed of the gas carrying formaldehyde in the purification cavity is slowed down through the arrangement of the spiral channel, so that the gas carrying formaldehyde can be fully reacted with the photocatalyst reactant on fiber fluff, and meanwhile, after the flow speed of the gas is slowed down, the loss of the photocatalyst reactant taken away by the gas is reduced, so that the loss of the photocatalyst reactant is slowed down, and the purification efficiency of the gas carrying formaldehyde is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an air purification apparatus for clean laboratory finishing work according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of an air cleaning apparatus for clean laboratory finishing work provided in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of an air purifying apparatus for clean laboratory finishing work according to an embodiment of the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a side cross-sectional view of an air cleaning apparatus for clean laboratory finishing work provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a purifying cartridge in an air purifying apparatus for cleaning a finishing work of laboratory decoration according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of two reaction plates in an air purification apparatus for clean laboratory finishing work according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a plugging plate, an exhaust pipe and the like in an air purifying device for clean laboratory decoration ending engineering, which is provided by the embodiment of the invention.
In the figure: 110. a housing; 111. a mounting cavity; 112. a roller; 120. a purifying cylinder; 121. a purification chamber; 122. an air inlet; 123. an exhaust port; 130. positioning a shaft; 140. a reaction plate; 150. a storage cylinder; 160. a feed pump; 210. a first storage case; 220. a second storage box; 230. a light lamp; 240. a water supply pipe; 250. a feed pipe; 310. a reaction cloth; 320. a first driving cylinder; 330. a collection box; 340. a support plate; 350. a driving motor; 410. a blocking cover; 420. a second driving cylinder; 430. and an exhaust pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 9, the air cleaning apparatus for clean laboratory finishing work provided in the embodiment of the present invention includes a housing 110, a cleaning cylinder 120, a positioning shaft 130, and an environmental manufacturing member.
The housing 110 is internally provided with a mounting cavity 111, at least four rollers 112 are arranged on the housing 110, and the four rollers 112 on the housing 110 can facilitate the movement of the housing 110. The housing 110 is provided with a first opening and a second opening communicating the installation cavity 111 with the external environment.
The axis level of purifying section of thick bamboo 120 sets up, purifying section of thick bamboo 120 passes first opening, purifying section of thick bamboo 120's one end is in the casing 110 outside, purifying section of thick bamboo 120 inside cavity is purifying chamber 121, be provided with air inlet 122 and the gas vent 123 of intercommunication purifying chamber 121 and external environment on the purifying section of thick bamboo 120, purifying section of thick bamboo 120's air inlet 122 is in the casing 110 outside, purifying section of thick bamboo 120's gas vent 123 is in installation cavity 111, purifying section of thick bamboo 120's gas vent 123 communicates with the second opening on the casing 110, gas vent 123 department is provided with the air exhauster, the air exhauster of gas vent 123 department can give the certain velocity of flow of gas, set up according to the position of air exhauster for gas gets into purifying chamber 121 through air inlet 122, later discharges purifying chamber 121 through gas vent 123.
The locating shaft 130 and the purifying cylinder 120 are coaxially arranged, the locating shaft 130 is arranged in the purifying cavity 121, the inside of the locating shaft 130 is hollow, the reaction plate 140 is arranged between the locating shaft 130 and the inner side wall of the purifying cylinder 120, the reaction plate 140 is spirally arranged around the locating shaft 130, the reaction plate 140 can form a spiral channel, and then gas entering the purifying cavity 121 needs to flow along the spiral channel. The reaction plate 140 is provided with a plurality of fiber fluff, specifically, in the arrangement, the reaction plate 140 is hollow, the reaction plate 140 is provided with a plurality of mounting holes, and each mounting hole is internally inserted with one fiber fluff. The inside storage cylinder 150 that is provided with of location axle 130, the storage cylinder 150 stores has photocatalyst reactant, be provided with the feed piece on the storage cylinder 150, the feed piece can be with the photocatalyst reactant in the storage cylinder 150 continuously supply to inside the reaction plate 140, the photocatalyst reactant that gets into inside the reaction plate 140 overflows to every fibre nap, preferably, the feed piece is feed pump 160, feed pump 160 has material taking pipe and pump material pipe, material taking pipe intercommunication storage cylinder 150 is inside, pump material pipe intercommunication reaction plate 140 is inside, feed pump 160 continuously works, ensure that all have photocatalyst reactant on every fibre nap, can contact the photocatalyst reactant when the gas that gets into in the purification chamber 121 flows along the spiral passageway, can slow down the velocity of flow of gas in the purification chamber 121 according to the setting of reaction plate 140 spiral passageway catalyst, ensure that formaldehyde in the gas can fully contact the photocatalyst reactant.
The environment manufacturing part is used for providing an environment for the reaction of the photocatalyst reactant and formaldehyde in the air, the reaction of the photocatalyst reactant and the formaldehyde in the air needs to be carried out in a moist and illuminated environment, and the environment manufacturing part is used for manufacturing a corresponding environment for the reaction of the photocatalyst reactant and the formaldehyde in the air, so that the reaction can be carried out smoothly.
According to the air purification equipment for the clean laboratory decoration ending project, after the clean laboratory decoration is finished, the air in a laboratory is required to be purified, so that the delivery standard is achieved, when the indoor air is purified, the exhaust fan at the exhaust port 123 is started, at the moment, environment manufacturing parts manufacture environments required by the reaction of a photocatalyst reactant and formaldehyde in the air in the purification cavity 121, when the gas in the laboratory enters the purification cavity 121 through the air inlet 122, the gas carrying formaldehyde flows along the spiral channel surrounded by the reaction plate 140, and the flow speed of the gas carrying formaldehyde in the purification cavity 121 is slowed down through the arrangement of the spiral channel, so that the gas carrying formaldehyde can be ensured to fully react with the photocatalyst reactant on fiber fluff, and meanwhile, after the flow speed of the gas is slowed down, the loss of the photocatalyst reactant taken away by the gas slowly is reduced, so that the loss of the photocatalyst reactant is slowed down, and the gas purification efficiency carrying formaldehyde is improved.
In one embodiment, the environmental manufacturing part includes a first storage case 210, a second storage case 220, and an illumination lamp 230. The first storage box 210 and the second storage box 220 are both arranged in the installation cavity 111, water is stored in the first storage box 210, a plurality of water supply pipes 240 are arranged on the first storage box 210, the water supply pipes 240 are all communicated with the purification cavity 121, and a first spray head is arranged at one end of the water supply pipe 240 in the purification cavity 121. Sodium peroxide powder is stored in the second storage box 220, a plurality of feed pipes 250 are arranged on the second storage box 220, the feed pipes 250 are communicated with the purifying cavity 121, and a second spray head is arranged at one end of the feed pipe 250 in the purifying cavity 121. The installation cavity 111 is internally provided with a high-pressure air pump, the high-pressure air pump is provided with two air outlet pipes, one air outlet pipe is communicated with a first spray head, the other air outlet pipe is communicated with a second spray head, water in the first storage box 210 is uniformly sprayed in the purifying cavity 121 through the first spray head on the water supply pipe 240, sodium peroxide powder in the second storage box 220 is sprayed in the purifying cavity 121 through the second spray head on the material supply pipe 250, the sodium peroxide powder and the water can be subjected to chemical reaction to generate oxygen and sodium hydroxide, a large amount of heat can be generated in the reaction process, part of the generated heat can be evaporated into water vapor in the purifying cavity 121, and the water vapor and the oxygen are necessary conditions for the photocatalyst reactant to react with formaldehyde. The light lamp 230 is fixedly arranged on the inner side wall of the purifying cylinder 120, and the light lamp 230 provides illumination for the reaction of the photocatalyst reactant and formaldehyde, so that the smooth reaction of the photocatalyst reactant and formaldehyde is ensured.
In one embodiment, the reaction plate 140 is provided with a reaction cloth 310, the reaction cloth 310 is a flexible cloth, the reaction cloth 310 is disposed in a spiral channel formed by the reaction plate 140, the reaction cloth 310 is in a loose state in an initial state, gas entering the purifying cavity 121 can pass through the reaction cloth 310 when flowing along the spiral channel, the reaction cloth 310 is provided with a plurality of reaction cloths 310 which are uniformly distributed along the spiral channel, the reaction cloth 310 can promote the sodium peroxide powder to fully react with water, when the sodium peroxide powder and water enter the purifying cavity 121, the sodium peroxide powder and water can both stay on the reaction cloth 310, sodium hydroxide powder and water fully react on the reaction cloth 310, and when sodium hydroxide generated by the reaction stays on the reaction cloth 310, sodium hydroxide solution can be formed on the reaction cloth 310 because the sodium hydroxide can be dissolved in the water, and the sodium hydroxide solution existing on the reaction cloth 310 can adsorb dust in the air.
In one embodiment, the reaction plate 140 is capable of being deformed, and the reaction plate 140 has a certain elasticity, and when one end of the reaction plate 140 is pulled, the spiral channel formed by the reaction plate 140 is capable of being changed, that is, the pitch of the spiral channel is changed. The positioning shaft 130 is provided with a first driving source for driving the reaction plate 140 to deform, the first driving source can drive the reaction plate 140 to move along the axis of the positioning shaft 130, when the first driving source is started, the screw pitch of a spiral channel enclosed by the reaction plate 140 is changed, and when the screw pitch of the spiral channel is changed, the flow speed of gas entering the purification cavity 121 along the spiral channel is changed. Preferably, the reaction plate 140 is made of rubber, and the pitch of the spiral channel formed by the reaction plate 140 is inversely related to the formaldehyde content of the gas entering the purifying cylinder 120.
In one embodiment, a formaldehyde concentration detector is provided at the gas inlet 122 of the purge canister 120, and is capable of detecting the concentration of formaldehyde in the gas entering the purge chamber 121 from the gas inlet 122. The purifying cylinder 120 is provided with a control member, the control member can receive detection data of the formaldehyde concentration detector, the control member can control the first driving source to start according to the received data, when the formaldehyde concentration detector detects that the formaldehyde concentration in the gas is higher than a first preset value, the first preset value is a preset parameter, the control member controls the first driving source to start according to the data of the formaldehyde concentration detector, the first driving source drives the reaction plate 140 to deform, at the moment, the first driving source changes the pitch of a spiral channel enclosed by the reaction plate 140 to reduce, thereby slowing down the flow speed of the gas entering the purifying cavity 121 along the spiral channel, preferably, the first driving source is a first driving cylinder 320, the first driving cylinder 320 is fixedly arranged on the positioning shaft 130, when the length of the first driving cylinder 320 changes, the pitch of the spiral channel enclosed by the reaction plate 140 changes, and the control member can control the extension or shortening of the first driving cylinder 320.
In one embodiment, the purifying cylinder 120 is provided with a collecting box 330, the collecting box 330 is internally provided with a collecting cavity, the collecting cavity is communicated with the purifying cavity 121, the collecting cavity is used for collecting reaction products in the purifying cavity 121, in particular, in the arrangement, in order to facilitate the collecting box 330 to collect the reaction products in the purifying cavity 121, the purifying cylinder 120 is arranged into a two-section circular truncated cone-shaped structure, two ends with large diameter are fixedly connected, the collecting box 330 is fixedly arranged at the joint of the two-section circular truncated cone-shaped structure, the collecting box 330 is positioned below the axis of the purifying cylinder 120, when the purifying cylinder 120 is cut along the axis of the collecting box 330, the side wall of the purifying cylinder 120 is in an inclined plane shape, at the moment, the collecting box 330 is positioned at the lowest end of the inclined plane, the collecting box 330 is convenient for collecting the reaction products in the purifying cavity 121, and the collecting box 330 mainly collects sodium hydroxide and redundant water generated by the reaction.
In one embodiment, a support disc 340 is fixedly arranged inside the purifying cavity 121, the support disc 340 is coaxially arranged with the purifying cylinder 120, the support disc 340 is fixedly connected with the purifying cylinder 120, the support disc 340 is used for supporting a positioning shaft 130, the support disc 340 is coaxially and rotatably connected with the positioning shaft 130, and the positioning shaft 130 is rotatably arranged in the purifying cavity 121. Be provided with the connecting piece between reaction plate 140 and the location axle 130, in the concrete setting, the connecting piece is two connecting rods, and every connecting rod extends along the radial direction of location axle 130, is provided with the guide way on the location axle 130, and the guide way extends along the axis direction of location axle 130, and the guide way sets up between two connecting rods, and one of them connecting rod and location axle 130 fixed connection, reaction plate 140's one end fixed connection is on a connecting rod, and one of them connecting rod can slide along the guide way, and first actuating source is used for driving a connecting rod and slides along the guide way. Under the action of the two connecting rods, the rotation of the positioning shaft 130 can drive the reaction plate 140 to synchronously rotate. The support plate 340 is provided with a second driving source for driving the positioning shaft 130 to rotate. Preferably, the second driving source is a driving motor 350, the driving motor 350 is fixedly arranged on the supporting plate 340, a power output shaft of the driving motor 350 is connected with the positioning shaft 130, and the positioning shaft 130 and the reaction plate 140 synchronously rotate when the driving motor 350 is started.
In one embodiment, the second driving source drives the positioning shaft 130 to rotate in the same direction as the spiral direction of the reaction plate 140. Taking the direction shown in fig. 6 as an example, the direction in which the reaction plate 140 winds around the positioning shaft 130 is clockwise, and the driving motor 350 drives the positioning shaft 130 to rotate clockwise, when the reaction plate 140 rotates clockwise, the resistance of the gas flowing in the spiral channel increases, the flowing speed of the gas in the spiral channel is slowed down, and the gas entering the spiral channel is ensured to fully contact with the fiber fluff on the reaction plate 140.
In one embodiment, two purifying cylinders 120 are provided, the two purifying cylinders 120 are fixedly connected, and purifying cavities 121 in the two purifying cylinders 120 are communicated. Specifically, the two purifying cartridges 120 are symmetrically disposed about the joint, wherein a third opening is provided in the housing 110, one of the purifying cartridges 120 passes through the first opening, the other purifying cartridge 120 passes through the third opening, and the two purifying cartridges 120 are coaxially disposed. The positioning shafts 130 inside the two purifying cylinders 120 are fixedly connected, the reaction plates 140 inside the two purifying cylinders 120 are fixedly connected, the spiral directions of the two reaction plates 140 are opposite, and the two positioning shafts 130 are driven by using one driving motor 350. The first opening and the third opening are both provided with formaldehyde concentration detectors, the first driving cylinder 320 is arranged at the joint of the two positioning shafts 130, the power output shaft of the first driving cylinder 320 is connected with the joint of the two reaction plates 140, when the data acquired by the formaldehyde concentration detectors at the first opening and the third opening are both higher than a first preset value, the length of the first driving cylinder 320 is not changed, and when the data acquired by the formaldehyde concentration detectors at the first opening or the third opening are both higher than the first preset value, the length of the first driving cylinder 320 is changed, and the first driving cylinder 320 drives the reaction plates 140 to approach to the side with high formaldehyde concentration. When the pitch of the spiral path enclosed by the reaction plates 140 inside the purification cartridge 120 is changed, the positions of the exhaust ports 123 of the two purification cartridges 120 are simultaneously changed.
In a further embodiment, when the two purifying cylinders 120 are fixedly connected, the exhaust ports 123 on the two purifying cylinders 120 are communicated, that is, the two purifying cylinders 120 share one exhaust port 123, and the exhaust port 123 is disposed at the connection position of the two purifying cylinders 120, the exhaust port 123 is provided with the plugging cover 410, the plugging cover 410 plugs the exhaust port 123 all the time, and the plugging cover 410 can slide along the axial direction of the purifying cylinder 120 on the exhaust port 123. The sealing cap 410 is provided with an exhaust pipe 430 penetrating the sealing cap 410, and the exhaust pipe 430 passes through the second opening of the housing 110, so that the purified gas is discharged out of the housing 110 through the exhaust pipe 430. The purifying cylinder 120 is provided with a third driving source, the third driving source can drive the plugging cover 410 to slide on the exhaust port 123, preferably, the third driving source is a second driving cylinder 420, the second driving cylinder 420 is fixedly arranged on the purifying cylinder 120, a power output shaft of the second driving cylinder 420 is connected with the plugging cover 410, the plugging cover 410 can be driven to slide on the exhaust port 123 when the second driving cylinder 420 is started, and in the further setting, the second driving cylinder 420 and the first driving cylinder 320 are synchronously started, namely, the sliding of the plugging cover 410 on the exhaust port 123 and the screw pitch of a spiral channel surrounded by the reaction plate 140 are synchronously changed, so that the position of one end of the exhaust pipe 430 in the purifying cavity 121 can be changed, and the gas flowing along the spiral channel can be discharged from the exhaust pipe 430 to the purifying cavity 121.
In a further embodiment, a suction fan is provided on the exhaust pipe 430 to facilitate the drawing of laboratory gases into the decontamination chamber 121 through the inlet port 122 and out of the decontamination chamber 121 through the exhaust pipe 430.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. An air purification device for clean laboratory finishing work, comprising:
the shell is internally provided with an installation cavity;
the purifying cylinder penetrates through the shell, a purifying cavity is formed in the purifying cylinder, an air inlet and an air outlet which are communicated with the purifying cavity and the external environment are formed in the purifying cylinder, and an exhaust fan is arranged at the air outlet; the two purifying cylinders are coaxially arranged, the two purifying cylinders are fixedly connected, the two purifying cylinders are symmetrically arranged about the joint, the purifying cavities in the two purifying cylinders are communicated, and the two purifying cylinders share an exhaust port;
the positioning shafts are arranged in the purifying cavity, the positioning shafts in the two purifying cylinders are coaxially and fixedly connected, a reaction plate is arranged between the positioning shafts and the inner side walls of the purifying cylinders, the reaction plate is spirally arranged around the positioning shafts, and the reaction plate can enclose a spiral channel; the reaction plates inside the two purifying cylinders are fixedly connected, and the spiral directions of the two reaction plates are opposite; the reaction plate is provided with reaction cloth, the reaction cloth is arranged in a spiral channel formed by the reaction plate, the reaction cloth is provided with a plurality of reaction cloths which are uniformly distributed along the spiral channel, the reaction plate is provided with a plurality of fiber fluff, the inside of the positioning shaft is provided with a storage cylinder, the storage cylinder is stored with photocatalyst reactant, the storage cylinder is provided with a feeding piece, and the feeding piece can continuously supply the photocatalyst reactant in the storage cylinder to each fiber fluff; the reaction plate can deform, when one end of the reaction plate is pulled, the screw channel formed by the reaction plate can change, the screw pitch of the screw channel changes, a first driving source for driving the reaction plate to deform is arranged on the positioning shaft, when the first driving source is started, the reaction plate deforms, the screw pitch of the screw channel surrounded by the reaction plate changes, and the screw pitch of the screw channel surrounded by the reaction plate is inversely related to the formaldehyde content of gas entering the purifying cylinder; the purifying device comprises a purifying cylinder, a first driving source, a second driving source, a control part, a first formaldehyde concentration detector, a second formaldehyde concentration detector, a control part and a control part, wherein the formaldehyde concentration detector is arranged at an air inlet of the purifying cylinder;
when the screw pitch of the spiral channel surrounded by the reaction plates in the purifying cylinders is changed, the positions of the exhaust ports of the two purifying cylinders are synchronously changed; the exhaust port is provided with a blocking cover, the blocking cover can slide on the exhaust port, the blocking cover is provided with an exhaust pipe penetrating through the blocking cover, the purifying cylinder is provided with a third driving source, the third driving source can drive the blocking cover to slide on the exhaust port, and the sliding of the blocking cover on the exhaust port and the screw pitch of a spiral channel surrounded by the reaction plate are synchronously changed;
the environment manufacturing piece is used for providing an environment for reacting the photocatalyst reactant with formaldehyde in the air.
2. The air cleaning apparatus for clean laboratory finishing works as claimed in claim 1, wherein: the environment manufacturing piece comprises a first storage box, a second storage box and a light lamp; the first storage box and the second storage box are both arranged in the installation cavity, water is stored in the first storage box, and the first storage box can spray water into the purification cavity; sodium peroxide powder is stored in the second storage box, and the second storage box can spray the sodium peroxide powder into the purifying cavity; the light lamp is fixedly arranged on the inner side wall of the purifying cylinder.
3. The air cleaning apparatus for clean laboratory finishing works as claimed in claim 1, wherein: the purifying cylinder is provided with a collecting box, a collecting cavity is arranged in the collecting box and communicated with the purifying cavity, and the collecting cavity is used for collecting products reacted in the purifying cavity.
4. The air cleaning apparatus for clean laboratory finishing works as claimed in claim 1, wherein: the inside of the purification cavity is provided with a supporting disc which is used for supporting a positioning shaft, the positioning shaft is rotatably arranged in the purification cavity, a connecting piece is arranged between the reaction plate and the positioning shaft, and the connecting piece enables the positioning shaft and the reaction plate to synchronously rotate; the support disc is provided with a second driving source which is used for driving the positioning shaft to rotate.
5. The air cleaning apparatus for clean laboratory finishing works according to claim 4, wherein: the rotation direction of the second driving source driving positioning shaft is the same as the spiral direction of the reaction plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311523637.4A CN117244401B (en) | 2023-11-16 | 2023-11-16 | Air purifying equipment for clean laboratory decoration ending engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311523637.4A CN117244401B (en) | 2023-11-16 | 2023-11-16 | Air purifying equipment for clean laboratory decoration ending engineering |
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| CN117244401A CN117244401A (en) | 2023-12-19 |
| CN117244401B true CN117244401B (en) | 2024-01-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871201A (en) * | 2020-06-17 | 2020-11-03 | 王保林 | Indoor air purification device of continuous distribution type photocatalyst |
| CN217909738U (en) * | 2022-04-13 | 2022-11-29 | 江苏伟志环保科技有限公司 | Desulfurization and denitrification exhaust treatment device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871201A (en) * | 2020-06-17 | 2020-11-03 | 王保林 | Indoor air purification device of continuous distribution type photocatalyst |
| CN217909738U (en) * | 2022-04-13 | 2022-11-29 | 江苏伟志环保科技有限公司 | Desulfurization and denitrification exhaust treatment device |
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