CN110215809B - Indoor air treatment and purification method - Google Patents
Indoor air treatment and purification method Download PDFInfo
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- CN110215809B CN110215809B CN201910526042.1A CN201910526042A CN110215809B CN 110215809 B CN110215809 B CN 110215809B CN 201910526042 A CN201910526042 A CN 201910526042A CN 110215809 B CN110215809 B CN 110215809B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
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- 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
- B01D2257/702—Hydrocarbons
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- 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
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- 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
Abstract
The invention belongs to the technical field of air purification, in particular to a special method for treating and purifying indoor air; the method comprises the following steps: firstly, electrifying an exhaust fan, positively rotating the exhaust fan, adsorbing and purifying air by an adsorption component, enabling the purified air to pass through an air vent and enter an exhaust fan chamber, discharging the air from an upper opening, secondly, controlling a plasma generator to be electrified by a controller, ionizing and decomposing absorbed toxic and harmful substances, reversely rotating the exhaust fan, continuously purifying the air by the adsorption component, and finally, powering off the plasma generator, and positively rotating the exhaust fan to realize continuous purification; according to the invention, by arranging the plasma generator and the adsorption assembly, the adsorption assembly can be deformed by heat generated by the plasma generator during working, harmful substances on the adsorption assembly can be removed, the plasma generator can ionize, dissociate and excite the harmful substances, the active carbon fiber layer does not need to be cleaned manually, and the purification capability of different indoor air qualities can be improved.
Description
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an indoor air treatment and purification method.
Background
The air purification is to provide the whole solutions of sterilization, dust reduction, haze removal, removal of harmful decoration residues, peculiar smell and the like aiming at various indoor environmental problems, improve the living and office conditions and promote the physical and mental health. Indoor environmental pollutants and pollution sources mainly include radioactive gas, mould, particulate matter, decoration residues, second-hand smoke and the like, and air purification mainly comprises the following steps: the main working principle of the plasma generator is that low voltage is boosted to positive high voltage and negative high voltage through a booster circuit, air (mainly oxygen) is ionized by utilizing the positive high voltage and the negative high voltage to generate a large amount of positive ions and negative ions, the quantity of the negative ions is larger than that of the positive ions (the quantity of the negative ions is about 1.5 times of that of the positive ions), and the positive ions and the negative ions generated by the plasma generator simultaneously generate huge energy release at the moment of neutralizing positive and negative charges in the air, so that the change of the structure of bacteria around the plasma generator or the conversion of energy is caused, bacteria are killed, and the sterilization effect of the plasma generator is realized.
Some technical solutions for air purification also appear in the prior art, for example, a chinese patent with application number 2015101863652 discloses a plasma indoor air purifier and an air purification method, which mainly degrades pollutants in the air by plasma for the 1 st time. Although this technical scheme can purify the air. However, it has a disadvantage of large power consumption, and for example, another chinese patent with application number 2008100517065 discloses an indoor air purification method, which can regenerate the adsorption material for multiple recycling, but the temperature generated during operation is high and there is a certain danger, therefore, it proposes an indoor air treatment and purification method, which can select different purification processes according to the quality of the air to be purified.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an indoor air treatment and purification method, which can be used for continuously purifying indoor air for a long time, and has the advantages of good purification effect and low energy consumption.
In order to achieve the purpose, the invention provides the following technical scheme: an air treatment and purification method applied indoors comprises the following steps:
s1, electrifying the exhaust fan, rotating the exhaust fan in the forward direction, allowing outside air to enter the adsorption component through the air inlet hole, adsorbing and purifying the air by the adsorption component, allowing the purified air to pass through the air holes and enter the exhaust fan chamber, and discharging the filtered air from the upper opening by the exhaust fan;
s2, after a period of time (the period of time can be set by a user, such as 1 hour after starting, 2 hours after starting or 3 hours after starting, or the default of the system is more than a long time), the controller controls the plasma generator to be electrified, the plasma generator carries out ionization decomposition on the absorbed toxic and harmful substances, then the exhaust fan rotates reversely, and the plasma generator carries out ionization decomposition on the absorbed toxic and harmful substances and realizes continuous purification of air;
and S3, after a period of time (the period of time can be set by a user, such as 1 hour after starting up, 2 hours after starting up or 3 hours after starting up, or the default time of the system is multiple times), the plasma generator is powered off, the exhaust fan rotates in the forward direction, and the exhaust fan returns to S1 to perform circulating continuous purification on the air.
The plasma generator adopted in the step S2 includes a cathode and an anode which are insulated from each other, the cathode is installed on an insulating column which is coaxial with the air vent, the anode is uniformly and circumferentially arranged around the cathode, the outer side of the cathode is also provided with a circumferentially arranged adsorption component, the adsorption component includes a memory alloy base layer and an adsorption layer installed on the outer side of the memory alloy base layer, the diameter of a ring where the adsorption component is located is smaller than that of a ring where the anode is located, the memory alloy base layer is in a cylindrical shape at normal temperature and in an arc shape at a heated state, and the plurality of memory alloy base layers surround the cathode and the anode of the plasma generator in a cylindrical structure at the heated state; after the plasma generator is electrified, an electric field is formed between the cathode and the anode, heat is generated in the middle of the plasma generator, plasma is generated at the same time, and the generated heat enables the memory alloy substrate to deform; the plasma bombards pollutant molecules adsorbed by the adsorption layer to ionize, dissociate and excite the pollutant molecules, so that the pollutant molecules are degraded into safe substance molecules with simple substance molecular structures and low harm to human bodies, and active ion derivatives are generated; air carrying active ion derivatives passes through the adsorption component and is discharged from the upper opening under the action of reverse rotation of the exhaust fan, and is finally conveyed to an external indoor environment; in the indoor environment outside the purifier, the released active ion derivatives further decompose and degrade air pollutants in the external environment, so as to further purify the air.
Preferably, a plurality of barbs are arranged on the cathode, and the barbs are spirally arranged along the insulating column.
Preferably, the adsorption layer is activated carbon fiber or activated carbon felt.
Preferably, the adsorption layer is made of Chinese herbal medicine fibers; the Chinese herbal medicine fiber consists of 20 parts by weight of cacumen biotae fiber, 25 parts by weight of Chinese pulsatilla root fiber, 35 parts by weight of common andrographis herb fiber and 25 parts by weight of costus root fiber; the Chinese herbal medicine fiber is produced by the steps of crushing and mixing cacumen biotae, Chinese pulsatilla root, common andrographis herb and dutchmanspipe root by a crusher, and crushing the raw materials into fine fibers to obtain the Chinese herbal medicine fiber.
The cacumen biotae fiber contains volatile oil, wherein the oil mainly comprises anisic ketone, bornyl acetate and terpene alcohol, and contains quercetin, chrysin, kaempferide, hinokiflavone, wax and the like, so that TVOC and toluene in the air can be purified; the main components of the Chinese pulsatilla root fiber are anemonin, anemonin and anemone, and can absorb formaldehyde in the air; the principal ingredient of the andrographis paniculata fiber is a compound containing diterpene lactones in leaves, and can absorb PM2.5 in the air; the main component of the aristolochia debilis fiber is aristolocone, and contains aristolochic acid, allantoin, aristolochic acid, magnoflorine, lappaconitine and C, etc., and can purify and absorb formaldehyde, toluene and TVOC in the air, and the aristolochia debilis fiber contains the lappaconitine and C, so that the aristolochia debilis fiber has special fragrance and has the effect of refreshing the mind, therefore, the Chinese herbal medicine fiber prepared from the cacumen biotae fiber, the pulsatilla chinensis fiber, the andrographis paniculata fiber and the aristolochia debilis fiber can also replace active carbon fiber or active carbon felt to purify harmful substances in the air.
A purifying device comprises a machine body, wherein an exhaust fan is arranged at the top of the inner side of the machine body, an upper opening is formed in the machine body positioned at the top of the exhaust fan, a baffle disc is arranged in the middle of the inner side of the machine body, a plurality of air holes are formed in the surface of the baffle disc, a plurality of adsorption components are arranged at the bottom of the baffle disc, each adsorption component comprises a memory alloy base layer and an adsorption layer arranged on the outer side of the memory alloy base layer, a plasma generator is arranged at the bottom of the baffle disc and comprises a cathode and an anode which are insulated from each other, and barbs are arranged on the surface of the cathode and used for forming a plasma field between the cathode and the anode when; the anode is provided with an insulating plate, the insulating plate is provided with a heat conducting plate, the heat conducting plate is arranged on the memory alloy base layer, the middle part of the heat conducting plate is provided with a copper wire in a penetrating way, and two ends of the copper wire are respectively connected with the anode and the heat conducting plate; a lower opening is formed in the side wall of the machine body; when the plasma generator works, under the condition of normally purifying air, the exhaust fan works to extract air from bottom to top, the air enters from the lower opening and passes through the adsorption component, impurities in the air are adsorbed by the adsorption layer on the outer cylindrical surface of the memory alloy base layer, the adsorbed and purified air passes through the hollowed memory alloy base layer and passes through the air holes to finally discharge the purified air from the upper opening, when the air pollution turbidity is high, the adsorption layer needs to be cleaned in time due to limited bearing capacity of the surface of the adsorption layer, at the moment, the touch screen control panel at the top of the generator body can be controlled to control the exhaust fan to extract the air from top to bottom, the time is set, the plasma generator is controlled to be electrified, when current passes through the space between the cathode and the anode, heat can be generated at the anode, the heat enters the heat conducting plate through the conduction of copper wires, the heat conducting plate transfers the heat to the memory alloy, because of the characteristics of the memory alloy, the memory alloy base layer can be unfolded from a cylinder shape, the adjacent memory alloys are unfolded and enclosed into a circle, the adsorption principle of the adsorption layer is that polar groups on the surface of the memory alloy and harmful substances act at normal temperature, so that the harmful substances can be removed from the air and adsorbed on the surface of the adsorbent under the condition of extremely low concentration, the adsorption is reversible, the adsorbed harmful substances can be removed from the adsorption layer in a heating mode, the adsorption layer is regenerated, when the harmful substances are dropped and removed, a large amount of plasmas are generated through the inner cavity of the plasma generator under the action of an electric field, the plasmas bombard the plasmas, pollutant molecules are ionized, dissociated and excited, the pollutant molecules are degraded into safe substance molecules with a simple substance molecular structure and low harm to human bodies, and simultaneously, active ion derivatives are generated and air carrying the active ion derivatives is generated, under the effect of air exhauster, discharge from the under shed through the bleeder vent to finally carry organism outside indoor environment, the active ion derivative that releases further decomposes, degrades the air contaminant of organism outside environment, reaches further air-purifying's purpose, need not artifical clearance adsorbed layer, and the temperature that the while work produced can not be too high, can improve the purification performance to different indoor air quality.
Preferably, one of the distribution modes of the plurality of adsorption assemblies is as follows: the four adsorption assemblies surround a plasma generator, and can deform to surround a cylinder when being heated; in this embodiment, four adsorption component can not produce the space through the big cylindric assembly of formation enclosure when being heated, and through the cooperation use with plasma generator, can carry out the bombardment to harmful substance, make pollutant molecule ionization, dissociation and arouse.
Preferably, another distribution of the plurality of adsorbtions is: the adsorption components on the two annular structures are arranged in a staggered manner, the adsorption components on the outer ring annular structure are connected with elastic ropes made of high-temperature-resistant elastic materials, and the bottom of the inner side of the machine body is provided with a fixed ring which is connected with the elastic ropes; in this embodiment, the adsorption elements on the inner ring annular structure can form a cylindrical structure with a gap in the middle after being deformed, and the adsorption elements on the outer ring annular structure can form a cylindrical structure after being deformed, so that the adsorption elements on the inner ring annular structure cover the outside of the cylindrical structure formed by the adsorption elements on the inner ring annular structure, double-layer filtration is formed, and the filtering effect is good.
Preferably, the bottom of the machine body is provided with a motor for driving the insulating column to rotate; the burs are spirally arranged along the insulating column; the motor can drive the negative pole and rotate, at the rotation in-process, can make the prickle on its surface when forming the ionization field with the positive pole, make the puncture direction of the ionization field of formation change constantly, when puncturing harmful substance, can puncture from the direction of difference, ionization effect is good, and the prickle that the heliciform was arranged simultaneously punctures harmful substance from the top down in proper order when rotating, punctures harmful substance with corona current concentration at the prickle tip simultaneously.
The invention has the technical effects and advantages that:
1. according to the indoor air treatment and purification method, the plasma generator and the adsorption assembly are arranged, the adsorption assembly can be deformed by heat generated by the plasma generator during working, when harmful substances adsorbed on the adsorption assembly are removed, the plasma generator can ionize, dissociate and excite the harmful substances, an adsorption layer does not need to be cleaned manually, and the purification capacity of different indoor air qualities can be improved.
2. The invention provides an indoor air treatment and purification method, which is characterized in that a motor and barbs arranged in a spiral manner are arranged, the motor can drive a cathode to rotate, the barbs on the surface of the motor can change the breakdown direction of a formed ionization field constantly when forming an ionization field with an anode in the rotating process, the barbs can breakdown harmful substances from different directions when the harmful substances are broken down, the ionization effect is good, meanwhile, the barbs arranged in a spiral manner sequentially break through the harmful substances from top to bottom in the rotating process, and simultaneously, corona current is concentrated at the end parts of the barbs to break down the harmful substances.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present method;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of a first arrangement of adsorbent modules according to the present invention;
FIG. 4 is a schematic view of a second arrangement of adsorbent modules according to the present invention;
FIG. 5 is a schematic view of the heated working of FIG. 4 of the present invention;
FIG. 6 is a schematic view of the adsorbent assembly of the present invention;
in the figure: the device comprises a machine body 1, an exhaust fan 2, an upper opening 3, a baffle disc 4, an air vent 5, an adsorption component 6, a memory alloy base layer 61, an adsorption layer 62, a plasma generator 7, a cathode 71, an anode 72, a bur 8, an insulation plate 9, a heat conduction plate 10, a copper wire 11, a lower opening 12, an elastic rope 13, a fixing ring 14 and a motor 15.
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 fig. 1-6, the air treatment and purification method for indoor use according to the present invention includes the following steps:
s1, electrifying the exhaust fan 2, rotating the exhaust fan 2 in the forward direction, allowing outside air to enter the adsorption component 6 through the air inlet hole, adsorbing and purifying the air by the adsorption component 6, allowing the purified air to pass through the air holes and enter a chamber of the exhaust fan 2, and allowing the exhaust fan 2 to discharge the filtered air 3 through the upper opening;
s2, after a period of time, the controller controls the plasma generator 7 to be electrified, the plasma generator 7 carries out ionization decomposition on the absorbed toxic and harmful substances, then the exhaust fan 2 rotates reversely, and the plasma generator 7 carries out ionization decomposition on the absorbed toxic and harmful substances and simultaneously realizes continuous purification of air;
and S3, after a period of time, the plasma generator 7 is powered off, the exhaust fan 2 rotates in the positive direction, and the air is returned to S1 to perform circulating continuous purification on the air.
The plasma generator 7 adopted in S2 includes a cathode 71 and an anode 72 that are insulated from each other, the cathode 71 is mounted on an insulating column that is coaxial with the air vent 5, the anode 72 is uniformly and circumferentially arranged around the cathode 71, the adsorption component 6 that is circumferentially arranged is further arranged outside the cathode 71, the adsorption component 6 includes a memory alloy base layer 61 and an adsorption layer 62 that is mounted outside the adsorption component, the diameter of a ring where the adsorption component 6 is located is smaller than that of a ring where the anode is located, the memory alloy base layer 61 is cylindrical at normal temperature and circular-arc in heated state, and the plurality of memory alloy base layers 61 surround the cathode 71 and the anode 72 of the plasma generator 7 in heated state; after the plasma generator 7 is electrified, an electric field is formed between the cathode 71 and the anode 72, heat is generated in the middle of the plasma generator 7, plasma is generated at the same time, and the generated heat deforms the memory alloy substrate 61; the plasma bombards the pollutant molecules adsorbed by the adsorption layer 62, so that the pollutant molecules are ionized, dissociated and excited, the pollutant molecules are degraded into safe substance molecules with simple substance molecular structures and low harm to human bodies, and active ion derivatives are generated; air carrying active ion derivatives passes through the adsorption component 6 and is discharged from the upper opening 3 under the action of reverse rotation of the exhaust fan 2, and is finally conveyed to an external indoor environment; in the indoor environment outside the purifier, the released active ion derivatives further decompose and degrade air pollutants in the external environment, so as to further purify the air.
The cathode 71 is provided with a plurality of barbs 8, and the barbs 8 are spirally arranged along the insulating column.
The adsorption layer 62 is activated carbon fiber or activated carbon felt.
The adsorption layer 62 is made of Chinese herbal medicine fibers; the Chinese herbal medicine fiber consists of 20 parts by weight of cacumen biotae fiber, 25 parts by weight of Chinese pulsatilla root fiber, 35 parts by weight of common andrographis herb fiber and 25 parts by weight of costus root fiber; the Chinese herbal medicine fiber is produced by the steps of crushing and mixing cacumen biotae, Chinese pulsatilla root, common andrographis herb and dutchmanspipe root by a crusher, and crushing the raw materials into fine fibers to obtain the Chinese herbal medicine fiber.
The cacumen biotae fiber contains volatile oil, wherein the oil mainly comprises anisic ketone, bornyl acetate and terpene alcohol, and contains quercetin, chrysin, kaempferide, hinokiflavone, wax and the like, so that TVOC and toluene in the air can be purified; the main components of the Chinese pulsatilla root fiber are anemonin, anemonin and anemone, and can absorb formaldehyde in the air; the principal ingredient of the andrographis paniculata fiber is a compound containing diterpene lactones in leaves, and can absorb PM2.5 in the air; the main component of the aristolochia debilis fiber is aristolocone, and contains aristolochic acid, allantoin, aristolochic acid, magnoflorine, lappaconitine and C, etc., and can purify and absorb formaldehyde, toluene and TVOC in the air, and the aristolochia debilis fiber contains the lappaconitine and C, so that the aristolochia debilis fiber has special fragrance and has the effect of refreshing the mind, therefore, the Chinese herbal medicine fiber prepared from the cacumen biotae fiber, the pulsatilla chinensis fiber, the andrographis paniculata fiber and the aristolochia debilis fiber can also replace active carbon fiber or active carbon felt to purify harmful substances in the air.
The invention also provides a purification device, as shown in fig. 2 and 6, the purification device comprises a machine body 1, wherein an exhaust fan 2 is arranged at the top of the inner side of the machine body 1, an upper opening 3 is formed in the machine body 1 positioned at the top of the exhaust fan 2, a baffle disc 4 is arranged in the middle of the inner side of the machine body 1, a plurality of air holes 5 are formed in the surface of the baffle disc 4, a plurality of adsorption components 6 are arranged at the bottom of the baffle disc 4, each adsorption component 6 comprises a memory alloy base layer 61 and an adsorption layer 62 arranged on the outer side of the memory alloy base layer, a plasma generator 7 is arranged at the bottom of the baffle disc 4, the plasma generator 7 comprises a cathode 71 and an anode 72 which are mutually insulated, barbs 8 are arranged on the surface of the cathode 71, and the barbs 8 are used for forming a plasma field between the; the heat-conducting plate 10 is arranged on the memory alloy base layer 61, a copper wire 11 penetrates through the middle of the heat-conducting plate 10, and two ends of the copper wire 11 are respectively connected with the anode 72 and the heat-conducting plate 10; a lower opening 12 is formed in the side wall of the machine body 1; when the air purifier works, under the condition of normally purifying air, the exhaust fan 2 works to extract air from bottom to top, the air enters from the lower opening 12 and passes through the adsorption component 6, impurities in the air are adsorbed by the adsorption layer 62 on the outer cylindrical surface of the memory alloy base layer 61, the adsorbed and purified air passes through the hollowed memory alloy base layer 61 and passes through the air holes 5, and finally the purified air is discharged from the upper opening 3, when the air pollution turbidity is high, the adsorption layer 62 has limited bearing capacity on the surface and needs to be cleaned in time, at the moment, the touch screen control panel at the top of the machine body 1 can be controlled to control the exhaust fan 2 to extract the air from top to bottom and set time, and meanwhile, the plasma generator 7 is controlled to be powered on, when current passes through between the cathode 71 and the anode 72, heat can be generated at the anode 72 and enters the heat conducting plate 10 through the copper wires 11, the heat conducting plate 10 transfers heat to the memory alloy base layer 61, due to the characteristics of the memory alloy, the memory alloy base layer 61 can be unfolded from a cylinder shape, the adjacent memory alloy is enclosed into a circle shape after being unfolded, the adsorption principle of the adsorption layer 62 is that the adsorption layer 62 acts with harmful substances at normal temperature according to the surface polar groups, so that the harmful substances can be removed from the air and adsorbed on the surface of the adsorbent under the condition of extremely low concentration, the adsorption is reversible, the adsorbed harmful substances can be removed from the adsorption layer 62 through a heating mode, the adsorption layer 62 is regenerated, when the harmful substances fall and are removed, a large amount of plasmas are generated through the inner cavity of the plasma generator 7 under the action of an electric field, and the plasmas bombard the plasmas, so that pollutant molecules are ionized, dissociated and excited, and the pollutant molecules are degraded into safe substance molecules with a simple substance molecular structure and low harm to human bodies, the active ion derivatives are generated at the same time, air carrying the active ion derivatives is discharged from the lower opening 12 through the air holes 5 under the action of the exhaust fan 2 and is finally conveyed to the external indoor environment of the machine body 1, the released active ion derivatives further decompose and degrade air pollutants in the external environment of the machine body 1 in the external indoor environment of the machine body 1, the purpose of further purifying the air is achieved, the adsorption layer 62 does not need to be cleaned manually, the temperature generated during working is not too high, and the purifying capacity of different indoor air qualities can be improved.
As shown in fig. 3, in the first embodiment of the present invention, one of the distribution modes of the plurality of adsorption assemblies 6 is: the four adsorption components 6 are surrounded by a plasma generator 7, and the four adsorption components 6 can be deformed to form a cylinder when being heated; in this embodiment, four adsorption component 6 can not produce the space through enclosing into a big cylindric assembly when being heated, through the cooperation use with plasma generator 7, can carry out the bombardment to harmful substance, make pollutant molecule ionization, dissociation and arouse in the centre.
As shown in fig. 4 and 5, according to a second embodiment of the present invention, another distribution of the plurality of adsorbtions is: the plurality of adsorption components 6 are enclosed into two annular structures, the adsorption components 6 on the two annular structures are arranged in a staggered mode, the adsorption components 6 on the outer ring annular structure are connected with elastic ropes 13, the elastic ropes 13 are made of high-temperature-resistant elastic materials, the bottom of the inner side of the machine body 1 is provided with a fixing ring 14, and the elastic ropes 13 are connected with the fixing ring 14; in this embodiment, the adsorption elements 6 on the inner ring annular structure can form a cylindrical structure with a gap in the middle after being deformed, and the adsorption elements 6 on the outer ring annular structure can form a cylindrical structure after being deformed, so as to cover the outside of the cylindrical structure formed by the adsorption elements 6 on the inner ring annular structure, thereby forming double-layer filtration, and the filtering effect is good.
As shown in fig. 2, a motor for driving the insulation column to rotate is installed at the bottom of the machine body 1; the burs 8 are spirally arranged along the insulating column; the motor 15 can drive the negative pole 71 and rotate, and at the rotation in-process, can make the prickle 8 on its surface when forming the ionization field with positive pole 72, make the puncture direction of the ionization field who forms change constantly, when puncturing harmful substance, can puncture from the direction of difference, and ionization effect is good, and the prickle 8 that the heliciform was arranged simultaneously punctures harmful substance from the top down in proper order when rotating, punctures harmful substance with corona current concentration at prickle 8 tip simultaneously.
When the air purifier works, under the condition of normally purifying air, the exhaust fan 2 works to extract air from bottom to top, the air enters from the lower opening 12 and passes through the adsorption component 6, impurities in the air are adsorbed by the adsorption layer 62 on the outer cylindrical surface of the memory alloy base layer 61, the adsorbed and purified air passes through the hollowed memory alloy base layer 61 and passes through the air holes 5, and finally the purified air is discharged from the upper opening 3, when the air pollution turbidity is high, the adsorption layer 62 has limited bearing capacity on the surface and needs to be cleaned in time, at the moment, the touch screen control panel at the top of the machine body 1 can be controlled to control the exhaust fan 2 to extract the air from top to bottom and set time, and meanwhile, the plasma generator 7 is controlled to be powered on, when current passes through between the cathode 71 and the anode 72, heat can be generated at the anode 72 and enters the heat conducting plate 10 through the copper wires 11, the heat conducting plate 10 transfers heat to the memory alloy base layer 61, due to the characteristics of the memory alloy, the memory alloy base layer 61 can be unfolded from a cylinder shape, the adjacent memory alloy is enclosed into a circle shape after being unfolded, the adsorption principle of the adsorption layer 62 is that the adsorption layer 62 acts with harmful substances at normal temperature according to the surface polar groups, so that the harmful substances can be removed from the air and adsorbed on the surface of the adsorbent under the condition of extremely low concentration, the adsorption is reversible, the adsorbed harmful substances can be removed from the adsorption layer 62 through a heating mode, the adsorption layer 62 is regenerated, when the harmful substances fall and are removed, a large amount of plasmas are generated through the inner cavity of the plasma generator 7 under the action of an electric field, and the plasmas bombard the plasmas, so that pollutant molecules are ionized, dissociated and excited, and the pollutant molecules are degraded into safe substance molecules with a simple substance molecular structure and low harm to human bodies, and meanwhile, active ion derivatives are generated, air carrying the active ion derivatives is generated, the active ion derivatives are high-energy electrons and/or free radicals and/or ozone ions, the high-energy electrons and/or free radicals are discharged from the lower opening 12 through the air vent 5 under the action of the exhaust fan 2 and are finally conveyed to the indoor environment outside the machine body 1, the released active ion derivatives are further decomposed and degrade air pollutants in the outdoor environment outside the machine body 1 in the indoor environment outside the machine body 1, the aim of further purifying the air is fulfilled, the adsorption layer 62 does not need to be manually cleaned, meanwhile, the temperature generated during working is not too high, and the purifying capacity for different indoor air qualities can be improved.
Experiment:
preparation of the experiment: three same closed houses with the size of 30m 2; taking one of an activated carbon purifying device (represented by A), a plasma purifying device (represented by B) and a purifying device (represented by C) of the invention; three electric energy meters; a timer unit; three air detectors;
the experimental steps are as follows: the method comprises the following steps of opening windows of a three-room closed house, ventilating for the same time, closing doors and windows, detecting the content of pollutants in the air (mainly detecting the content of main pollutants of formaldehyde, benzene, TVOC and PM2.5 in the air) through an air detector, respectively placing active carbon purification equipment, plasma purification equipment and the purification equipment of the invention in the three-room closed house, respectively installing the air detector in the three closed house, and simultaneously respectively connecting electric energy meters to circuits of the active carbon purification equipment, the plasma purification equipment and the purification equipment of the invention; then, simultaneously opening three devices to purify the air in the house, and recording the pollutant content readings detected by each electric energy meter and the air detector every 10min through a timer;
the experimental records are tabulated below:
table 1: record table of active carbon purifying equipment
| 0min | 10min | 20min | 30min | 40min | 50min | 60min | |
| Formaldehyde (mg/m3) | 0.152 | 0.075 | 0.093 | 0.114 | 0.126 | 0.145 | 0.151 |
| Toluene (mg/m3) | 0.212 | 0.153 | 0.154 | 0.167 | 0.201 | 0.211 | 0.211 |
| TVOC(mg/m3) | 1.651 | 0.542 | 0.631 | 0.848 | 1.233 | 1.582 | 1.633 |
| PM2.5(mg/m3) | 80 | 70 | 72 | 75 | 79 | 79 | 80 |
Table 2: plasma purifying equipment recording meter
| 0min | 10min | 20min | 30min | 40min | 50min | 60min | |
| Formaldehyde (mg/m3) | 0.152 | 0.007 | 0.007 | 0.007 | 0.007 | 0.007 | 0.007 |
| Toluene (mg/m3) | 0.212 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
| TVOC(mg/m3) | 1.651 | 0.093 | 0.093 | 0.093 | 0.093 | 0.093 | 0.093 |
| PM2.5(mg/m3) | 80 | 5 | 5 | 5 | 5 | 5 | 5 |
Table 3: the purification equipment (the adsorption component is tested by adopting the second embodiment) of the invention records the meter (the plasma is set to work for 30-60min, and the adsorption layer in the equipment is active carbon)
| 0min | 10min | 20min | 30min | 40min | 50min | 60min | |
| Formaldehyde (mg/m3) | 0.152 | 0.06 | 0.06 | 0.08 | 0.004 | 0.004 | 0.004 |
| Toluene (mg/m3) | 0.212 | 0.148 | 0.148 | 0.152 | 0.001 | 0.001 | 0.001 |
| TVOC(mg/m3) | 1.651 | 0.431 | 0.431 | 0.523 | 0.086 | 0.086 | 0.086 |
| PM2.5(mg/m3) | 80 | 60 | 60 | 65 | 3 | 3 | 3 |
Table 4: the purification equipment (the adsorption component is tested by adopting the second embodiment) of the invention records the table (the plasma is set to work for 30-60min, and the adsorption layer in the equipment is Chinese herbal medicine fiber)
| 0min | 10min | 20min | 30min | 40min | 50min | 60min | |
| Formaldehyde (mg/m3) | 0.152 | 0.07 | 0.06 | 0.08 | 0.006 | 0.004 | 0.004 |
| Toluene (mg/m3) | 0.212 | 0.125 | 0.120 | 0.115 | 0.003 | 0.001 | 0.001 |
| TVOC(mg/m3) | 1.651 | 0.431 | 0.431 | 0.523 | 0.085 | 0.083 | 0.083 |
| PM2.5(mg/m3) | 80 | 75 | 65 | 60 | 5 | 3 | 3 |
From the above data, table 5 can be obtained: air purification rate of three kinds of purification equipment (purification time 60min)
| Activated carbon purifying equipment (maximum purification rate) | Plasma purification equipment (average purification Rate) | The invention relates to a purification device （0-30min） (maximum purification rate) | The invention relates to a purification device （30-60min） (average purification Rate) | |
| Formaldehyde (I) | 50.66% | 95.39% | 92.00% | 97.37% |
| Toluene | 27.83% | 99.53% | 30.19% | 99.53% |
| TVOC | 67.17% | 94.37% | 73.89% | 94.79% |
| PM2.5 | 12.5% | 93.75% | 25% | 96.25% |
Table 6: sterilizing rate meter for three kinds of purifying equipment
| Type of device | Activated carbon purifying equipment | Plasma purification equipment | The invention relates to a purification device |
| Bacteria removal rate | 45% | 99.65% | 99.96% |
And (4) experimental conclusion: as can be seen from tables 3 and 4, when the adsorption layer is a Chinese herbal medicine layer, the main pollutants (formaldehyde, toluene, TVOC and PM2.5) in the air can be absorbed and purified; as can be seen from tables 5 to 6, the air purifying apparatus of the present invention has better purifying effects on the main air pollutants (formaldehyde, toluene, TVOC and PM2.5) and bacteria in the air than the other two types of air purifying apparatuses, and completely meets the requirements of the indoor air quality standard (GB/T18883-2002) when the air is purified by the adsorbing assembly of the present invention.
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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A method for treating and purifying indoor air is characterized in that: the method comprises the following steps:
s1, electrifying the exhaust fan (2), rotating the exhaust fan (2) in the forward direction, allowing outside air to enter the adsorption component (6) through the air inlet hole, adsorbing and purifying the air by the adsorption component (6), allowing the purified air to pass through the air holes to enter a chamber of the exhaust fan (2), and discharging filtered air (3) through the upper opening by the exhaust fan (2);
s2, after a period of time, the controller controls the plasma generator (7) to be electrified, the plasma generator (7) ionizes and decomposes the absorbed toxic and harmful substances, then the exhaust fan (2) rotates reversely, and the plasma generator (7) ionizes and decomposes the absorbed toxic and harmful substances and simultaneously realizes continuous purification of air;
s3, after a period of time, the plasma generator (7) is powered off, the exhaust fan (2) rotates in the positive direction, and the air is returned to S1 to be purified continuously and circularly;
the plasma generator (7) adopted in the step S2 comprises a cathode (71) and an anode (72) which are mutually insulated, the cathode (71) is installed on an insulating column which is coaxial with the air vent (5), the anode (72) is uniformly and circumferentially arranged around the cathode (71), an adsorption component (6) which is circumferentially arranged is further arranged on the outer side of the cathode (71), the adsorption component (6) comprises a memory alloy base layer (61) and an adsorption layer (62) which is installed on the outer side of the adsorption component, the diameter of a ring where the adsorption component (6) is located is smaller than that of a ring where the anode is located, the memory alloy base layer (61) is in a cylindrical shape under a normal temperature state and is in an arc shape under a heated state, and the plurality of memory alloy base layers (61) surround the cathode (71) and the anode (72) of the plasma generator (7) under the heated state; after the plasma generator (7) is electrified, an electric field is formed between the cathode (71) and the anode (72), heat is generated in the middle of the plasma generator (7), plasma is generated at the same time, and the generated heat deforms the memory alloy base layer (61); the plasma bombards pollutant molecules adsorbed by the adsorption layer (62) to ionize, dissociate and excite the pollutant molecules, so that the pollutant molecules are degraded into safe substance molecules with simple substance molecular structures and low harm to human bodies, and active ion derivatives are generated; air carrying active ion derivatives passes through the adsorption component (6) and is discharged from the upper opening (3) under the action of reverse rotation of the exhaust fan (2), and is finally conveyed to the external indoor environment; in the indoor environment outside the purifier, the released active ion derivatives further decompose and degrade air pollutants in the external environment, so as to further purify the air;
the cathode (71) is provided with a plurality of barbs (8), and the barbs (8) are spirally arranged along the insulating column.
2. The air treatment and purification method applied indoors according to claim 1, characterized in that: the adsorption layer (62) is made of activated carbon fibers or activated carbon felt.
3. The air treatment and purification method applied indoors according to claim 1, characterized in that: the adsorption layer (62) is made of Chinese herbal medicine fibers; the Chinese herbal medicine fiber consists of 20 parts by weight of cacumen biotae fiber, 25 parts by weight of Chinese pulsatilla root fiber, 35 parts by weight of common andrographis herb fiber and 25 parts by weight of costus root fiber; the Chinese herbal medicine fiber is produced by the steps of crushing and mixing folium isatidis, cacumen biotae, Chinese pulsatilla root, common andrographis herb and dutchmanspipe root by a crusher, and crushing the materials into fine fibers to obtain the Chinese herbal medicine fiber.
4. A purification apparatus, characterized in that: the equipment is used for the air treatment and purification method according to any one of claims 1 to 3, and comprises a machine body, wherein an exhaust fan (2) is arranged at the top of the inner side of the machine body (1), an upper opening (3) is formed in the machine body (1) positioned at the top of the exhaust fan (2), a baffle disc (4) is arranged in the middle of the inner side of the machine body (1), a plurality of air holes (5) are formed in the surface of the baffle disc (4), a plurality of adsorption components (6) are arranged at the bottom of the baffle disc (4), each adsorption component (6) comprises a memory alloy base layer (61) and an adsorption layer (62) arranged on the outer side of the memory alloy base layer, a plasma generator (7) is arranged at the bottom of the baffle disc (4), each plasma generator (7) comprises a cathode (71) and an anode (72) which are mutually insulated, prickles (8) are arranged on the surface of the cathode (71), and the prickles (8) are used for forming, forming a corona current; the heat-conducting plate is characterized in that an insulating plate (9) is arranged on the anode (72), a heat-conducting plate (10) is arranged on the insulating plate (9), the heat-conducting plate (10) is arranged on the memory alloy base layer (61), a copper wire (11) penetrates through the middle of the heat-conducting plate (10), and two ends of the copper wire (11) are respectively connected with the anode (72) and the heat-conducting plate (10); the side wall of the machine body (1) is provided with a lower opening (12).
5. A purification apparatus according to claim 4, wherein: one of the distribution modes of the adsorption components (6) is as follows: the four adsorption components (6) are surrounded by a plasma generator (7), and the four adsorption components (6) can be deformed to form a cylinder when being heated.
6. A purification apparatus according to claim 4, wherein: the other distribution mode of the plurality of adsorption components (6) is as follows: a plurality of adsorption component (6) enclose into two ring structures, adsorption component (6) on two ring structures are crisscross to be set up, are connected with stretch cord (13) on the adsorption component (6) on the outer lane ring structure wherein, and organism (1) inboard bottom is provided with retainer plate (14), and stretch cord (13) are connected with retainer plate (14).
7. A purification apparatus according to claim 5 or 6, wherein: a motor (15) for driving the insulating column to rotate is arranged at the bottom of the machine body (1); the barbs (8) are spirally arranged along the insulating column.
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