CN109954337A - A kind of monatomic modified with noble metals activated charcoal strainer and air purifier - Google Patents

A kind of monatomic modified with noble metals activated charcoal strainer and air purifier Download PDF

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Publication number
CN109954337A
CN109954337A CN201910159222.0A CN201910159222A CN109954337A CN 109954337 A CN109954337 A CN 109954337A CN 201910159222 A CN201910159222 A CN 201910159222A CN 109954337 A CN109954337 A CN 109954337A
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filter screen
active carbon
modified
monatomic
noble metals
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关超阳
郎嘉良
赵刚
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Beijing Helium Shipping Technology Co Ltd
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Beijing Helium Shipping Technology Co Ltd
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Priority to CN201910159222.0A priority Critical patent/CN109954337A/en
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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
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B01D53/38—Removing components of undefined structure
    • B01D53/44—Organic components
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • 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
    • B01D53/81—Solid phase processes
    • B01D53/82—Solid phase processes with stationary reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Present invention relates particularly to a kind of monatomic modified with noble metals active carbon filter screen and air purifier, the modified activated carbon strainers, including strainer and the modified with noble metals active carbon being filled in strainer.The present invention also provides a kind of Multifunction filter screen, which is installed by multi-filtering net, and the multi-filtering net includes primary filter screen, monatomic modified with noble metals active carbon filter screen and HPEA/ULPA efficient filter from the bottom to top.The present invention provides a kind of air purifier, including casing, air inlet and outlet, Multifunction filter screen, power device and flabellum again.The monatomic modified with noble metals active carbon can adsorb and the TVOC polluted gas such as degradation of formaldehyde.The Multifunction filter screen can filter out bulky grain pollutant, it is avoided to be covered on activated carbon granule surface by triple filter, and the TVOC polluted gas that can adsorb and degrade, bacterium can also be filtered out, is used in air purifier, purification efficiency is efficient grade.

Description

A kind of monatomic modified with noble metals activated charcoal strainer and air purifier
Technical field
The present invention relates to the technical field of air cleaning preparation, in particular to a kind of monatomic modified with noble metals active carbon mistakes Strainer and air purifier.
Background technique
With the rapid development of social economy, people's environmental consciousness is also being continuously improved.The TVOC polluted gas such as formaldehyde is Noxious material with penetrating odor causes serious harm to human body health and air quality, how efficiently to remove The TVOC polluted gas such as formaldehyde is of great significance.Currently on the market mainly using liquid spray or air purifier processing pollution Gas, wherein strainer is the core component of air purifier.Principle is that polluted gas is pumped into inside clarifier, passes through strainer one It purifies and degrades layer by layer, finally pure and fresh clean air out.
The purification of the TVOC polluted gas such as PARA FORMALDEHYDE PRILLS(91,95) is mainly active carbon filter screen in air purifier strainer, at present active carbon The active carbon that strainer is filled, has in absorption air that toxic irritant gas effectiveness is poor, and without degradation capability, it is full to be easy absorption With cause secondary pollution, can only guarantee clean-up effect by high-frequency replacement strainer, effectively cause the wasting of resources.Together When the easily contaminated object covering of activated carbon granule surface, absorption odor removing ability is just substantially reduced.Therefore how active carbon filter screen is improved The clean-up effect of the TVOC polluted gas such as PARA FORMALDEHYDE PRILLS(91,95) is vital.
Summary of the invention
Based on above-mentioned technical problem, an object of the present invention is to provide a kind of monatomic modified with noble metals activity carbon filtration Net, which can adsorb can keep for a long time air net with the TVOC polluted gas such as catalytic degradation formaldehyde, and long service life Change effect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of monatomic modified with noble metals active carbon filter screen, including strainer and the active carbon being filled in strainer, feature It is, the active carbon is monatomic modified with noble metals active carbon.
Preferably, the noble metal is any one or more in Pd, Au, Pt, Ag, Ru.
Preferably, the active carbon is in granular activated carbon, column-shaped active carbon, cocoanut active charcoal or active fruit shell carbon One or more, the partial size of active carbon is 200 mesh -4mm.
Preferably, the load capacity of the noble metal is the 0.01-1% of quality of activated carbon score.
Preferably, the amount of fill of the monatomic modified with noble metals active carbon is the monatomic modified with noble metals of 0.4-0.6Kg Active carbon/m3 screen area.
Preferably, the monatomic modified with noble metals active carbon can be prepared by the following method to obtain: by dry activity Charcoal impregnates in precious metal salt solution, and reducing agent is then added and carries out reduction reaction, after reaction, filters, dry, is made single Atom modified with noble metals active carbon.
The second object of the present invention is to provide a kind of Multifunction filter screen, the Multifunction filter screen is by triple filter, no The big part pollutant such as dust granule, hair can be only filtered out, avoids it from being covered on activated carbon granule surface, and can adsorb With the TVOC polluted gas such as degradation of formaldehyde, moreover it is possible to filter out bacterium, the subparticle greater than 0.3 micron.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of Multifunction filter screen is installed by multi-filtering net, and the multi-filtering net includes first from the bottom to top Filter screen, the second filter screen and third filter screen, which is characterized in that second filter screen is monatomic modified with noble metals activity Charcoal strainer.
Preferably, the Multifunction filter screen is detachably installed by multi-filtering net.
Preferably, first filter screen is primary filter screen, to be collapsible or board-like, is made of Polyester Fibers.
Preferably, Polyester Fibers of the primary filter screen by surface by fluorine element processing are made, and have waterproof effect.
Preferably, the third filter screen be HPEA/ULPA efficient filter, by ultra-fine fibre glass through gluing fold and At.
The third object of the present invention is to provide a kind of air purifier, including casing, air inlet and outlet, filtering Net, power device and flabellum, which is characterized in that the filter screen uses above-mentioned Multifunction filter screen.
The quantity of above-mentioned Multifunction filter screen in the air purifier can select according to actual needs.
The working principle of air purifier: the power device in air purifier drives fan blade rotating movable property anger stream, in room Interior formation circulating current, indoor air from air outlet enter air purifier with air-flow, by air purifier When filter screen, some pollutants in air are removed by filter screen, obtain the air of Cress, then under the action of fan, Interior is returned to by clarifier air outlet.The continuous circulating repetition of whole process, the filtered air of the lasting offer of clarifier, no It is disconnected to improve indoor air quality.
Advantageous effects of the invention:
Monatomic modified with noble metals active carbon filter screen of the invention, active carbon not only may be used after monatomic modified with noble metals With the TVOC polluted gas such as formaldehyde adsorption, the TVOC polluted gas such as formaldehyde can be also degraded by catalytic to non-hazardous to human body and air Carbon dioxide and water, and long service life, degrading activity is high, has great industrial application value.
Multifunction filter screen of the invention, the Multifunction filter screen are combined by triple filter net, and every heavy filtration net is equal It can freely disassemble, easy to clean and replacement, the first filter screen uses primary filter screen, and it is big can to filter out dust granule, hair etc. Part pollutant avoids it from being covered on activated carbon granule surface, and the second filter screen uses monatomic modified with noble metals active carbon filter screen, It can adsorb and use HPEA/ULPA efficient filter with the TVOC polluted gas such as degradation of formaldehyde, third filter screen, can filter out thin Bacterium, the subparticle greater than 0.3 micron, filter efficiency are made up to 99%, air purifier of the invention using Multifunction filter screen For filtering material, purifies efficiency and reach efficient grade.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of monatomic modified with noble metals active carbon filter screen of the invention.
Fig. 2 is the structural schematic diagram of Multifunctional filter screen of the invention.
Fig. 3 is the structural schematic diagram of the air purifier of the invention containing 1 Multifunctional filter screen.
Fig. 4 is the structural schematic diagram of the air purifier of the invention containing 2 Multifunctional filter screens.
In figure: the monatomic modified with noble metals active carbon filter screen of 1- primary filter screen, 2-, 3-HPEA/ULPA efficient filter, 4- are more Function filter screen, 5- air inlet, 6- air outlet, 7- flabellum.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation " " strainer " shall be understood in a broad sense, for example, " installation " may be fixed connection or may be dismantle connection, or integral connection； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the connection inside two elements；" strainer " can be latticed, be also possible to honeycomb, can also be known in the art Other shapes.For the ordinary skill in the art, it can understand as the case may be above-mentioned term in the present invention Concrete meaning.
As shown in Figure 1, a kind of monatomic modified with noble metals active carbon filter screen 2, including strainer and the work being filled in strainer Property charcoal, which is characterized in that the active carbon be monatomic modified with noble metals active carbon.
Preferably, the noble metal is any one or more in Pd, Au, Pt, Ag, Ru.
Preferably, the active carbon is in granular activated carbon, column-shaped active carbon, cocoanut active charcoal or active fruit shell carbon One or more, the partial size of active carbon is 200 mesh -4mm.
Preferably, the load capacity of the noble metal is the 0.01-1% of quality of activated carbon score.
Preferably, the amount of fill of the monatomic modified with noble metals active carbon is 0.4-0.6kg/m3。
Preferably, the monatomic modified with noble metals active carbon can be prepared by the following method to obtain: by dry activity Charcoal impregnates in precious metal salt solution, and reducing agent is then added and carries out reduction reaction, after reaction, filters, dry, is made single Atom modified with noble metals active carbon.
Preferably, the active carbon is in granular activated carbon, column-shaped active carbon, cocoanut active charcoal or active fruit shell carbon One or more, the partial size of active carbon is 200 mesh -4mm；
Preferably, the precious metal salt is PdCl2、Pd(NO3)2、Na2PdCl4、HAuCl4﹒ 3H2O、H2PtCl6﹒ 6H2O、Pt (NO3)2、AgNO3、RuCl3In any one or more；The solvent of the precious metal salt solution is water, ethyl alcohol, ethylene glycol, third Any one or more in ketone or chloroform；The concentration of the precious metal salt solution is 0.0004-0.01mol/L；Your gold The quality for belonging to the noble metal in salt is the 0.01-1% of quality of activated carbon；
Preferably, the reducing agent is sodium borohydride, potassium borohydride, ascorbic acid, hydrazine hydrate, hydrazine, sodium citrate, first Any one in aldehyde, sodium sulfite or potassium sulfite；The solvent of the reducing agent solution be water, ethyl alcohol, ethylene glycol, acetone or Any one or more in chloroform；The concentration of the reducing agent solution is 0.01-0.1mol/L；In reducing agent and precious metal salt The molar ratio of noble metal is 5:1-20:1；
Preferably, the reduction reaction can carry out under -60 DEG C -0 DEG C of low temperature environment, and/or under ultrasound environments It carries out, and/or is carried out under light environment.
As shown in Fig. 2, a kind of Multifunction filter screen 4, is installed by multi-filtering net, the multi-filtering net by down toward Upper includes the first filter screen, the second filter screen and third filter screen.
As described in Figure 2, first filter screen is primary filter screen 1, is made of Polyester Fibers, is collapsible or plate Formula.
Preferably, first filter screen is primary filter screen 1, and the Polyester Fibers system of fluorine element processing is passed through by surface At.
As described in Figure 2, second filter screen is monatomic modified with noble metals active carbon filter screen 2.
As described in Figure 2, the third filter screen is HPEA/ULPA efficient filter 3, is folded by ultra-fine fibre glass through gluing It forms.
As shown in figure 3, a kind of air purifier, including 6,1 casing, air inlet 5, air outlet above-mentioned multi-functional mistakes Strainer 4, power device (being not drawn into figure, similarly hereinafter) and flabellum 7.
As shown in figure 4, a kind of air purifier, including 6,2 casing, air inlet 5, air outlet above-mentioned multi-functional mistakes Strainer 4, power device and flabellum 7.
In the air purifier, the quantity of above-mentioned Multifunction filter screen can select according to actual needs.
The working principle of air purifier: the power device in air purifier drives fan blade rotating movable property anger stream, in room Interior formation circulating current, indoor air from air outlet enter air purifier with air-flow, by air purifier When filter screen, some pollutants in air are removed by filter screen, obtain the air of Cress, then under the action of fan, Interior is returned to by clarifier air outlet.The continuous circulating repetition of whole process, the filtered air of the lasting offer of clarifier, no It is disconnected to improve indoor air quality.
Air purifier is tested using GB/T 18801-2015 standard, and experimental cabin volume is 30m3, temperature 25 DEG C, humidity 46%.Polluted gas TVOC initial concentration is 4.87mg/m3, every a 5min data of acquisition, the sampling time is 60min。
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1:
0.01mol/L AgNO3 solution and 0.1mol/L sodium borohydride solution are prepared, solvent is 8:2 according to ethanol/water ratio Configuration, by dried 2mm column-shaped active carbon in AgNO312h (AgNO is impregnated in solution3Middle Ag atomic mass is active carbon 1%) -60 DEG C, are cooled to and keeps 1h；It introduces ultraviolet lamp and irradiates 2h, by sodium borohydride solution (boron hydrogen in -60 DEG C of environment Change sodium and AgNO3Middle Ag atomic molar ratio is 5:1) AgNO is added3Continue to be stirred to react 2h in solution, filters wash after reaction It washs, and air drying, monatomic Ag modified activated carbon is prepared.It weighs the monatomic Ag modified activated carbon of 0.5kg and is filled into filter In net, that is, monatomic Ag modified activated carbon strainer is prepared.
Embodiment 2:
Prepare 0.01mol/L PdCl2Solution and 0.1mol/L ascorbic acid solution, solvent are 8:2 according to ethanol/water ratio Configuration, by dried 2mm granular activated carbon in PdCl212h (PdCl is impregnated in solution2Middle Pd atomic mass is active carbon 1%) -60 DEG C, are cooled to and keeps 1h；Ultrasonic 2h, by ascorbic acid solution (ascorbic acid and PdCl in -60 DEG C of environment2In Pd atomic molar ratio is 5:1) PdCl is added2Continue to be stirred to react 2h in solution, after reaction filtering and washing, and room temperature is dry It is dry, monatomic Pd modified activated carbon is prepared.It weighs the monatomic Pd modified activated carbon of 0.5kg to be filled into strainer, that is, prepares Obtain monatomic Pd modified activated carbon strainer.
Embodiment 3:
Prepare 0.01mol/L HAuCl4﹒ 3H2O solution and 0.1mol/L hydrazine hydrate solution, solvent are according to ethanol/water ratio 8:2 configuration, by dried 2mm cocoanut active charcoal in HAuCl4﹒ 3H212h (HAuCl is impregnated in O solution4Au is former in ﹒ 3H2O Protonatomic mass is the 1% of active carbon), it is cooled to -60 DEG C and keeps 1h；In -60 DEG C of environment by hydrazine hydrate solution (hydrazine hydrate with HAuCl4﹒ 3H2Au atomic molar ratio is 5:1 in O) PdCl is added2Continue to be stirred to react 2h in solution, filters wash after reaction It washs, and air drying, monatomic Au modified activated carbon is prepared.It weighs the monatomic Au modified activated carbon of 0.5kg and is filled into filter In net, that is, monatomic Au modified activated carbon strainer is prepared.
Embodiment 4:
Prepare 0.01mol/L Pt (NO3)2Solution and 0.1mol/L hydrazine hydrate solution, solvent are 8:2 according to ethanol/water ratio Configuration, by dried 2mm active fruit shell carbon in Pt (NO3)212h (Pt (NO is impregnated in solution3)2Middle Pt atomic mass is to live The 1% of property charcoal), it is cooled to -60 DEG C and keeps 1h；By hydrazine hydrate solution (hydrazine hydrate and Pt (NO in -60 DEG C of environment3)2Middle Pt Atomic molar ratio is 5:1) Pt (NO is added3)2Continue to be stirred to react 2h in solution, after reaction filtering and washing, and room temperature is dry It is dry, monatomic Pt modified activated carbon is prepared.It weighs the monatomic Pt modified activated carbon of 0.5kg to be filled into strainer, that is, prepares Obtain monatomic Pt modified activated carbon strainer.
Embodiment 5
As shown in Fig. 2, a kind of Multifunction filter screen 4, is installed by multi-filtering net, the multi-filtering net by down toward Upper includes the first filter screen, the second filter screen and third filter screen；Wherein:
As described in Figure 2, first filter screen is primary filter screen 1, is made of Polyester Fibers, is board-like；
As described in Figure 2, second filter screen is monatomic modified with noble metals activated charcoal strainer 2 made from embodiment 1.
As described in Figure 2, the third filter screen is HPEA/ULPA efficient filter 3, is folded by ultra-fine fibre glass through gluing It forms.
Embodiment 6
As shown in Fig. 2, a kind of Multifunction filter screen 4, is installed by multi-filtering net, the multi-filtering net by down toward Upper includes the first filter screen, the second filter screen and third filter screen；Wherein:
As described in Figure 2, first filter screen is primary filter screen 1, and the Polyester Fibers of fluorine element processing are passed through by surface It is made, is collapsible；
As described in Figure 2, second filter screen is monatomic modified with noble metals activated charcoal strainer 2 made from embodiment 2.
As described in Figure 2, the third filter screen is HPEA/ULPA efficient filter 3, is folded by ultra-fine fibre glass through gluing It forms.
Embodiment 7
As shown in Fig. 2, a kind of Multifunction filter screen 4, is installed by multi-filtering net, the multi-filtering net by down toward Upper includes the first filter screen, the second filter screen and third filter screen；Wherein:
As described in Figure 2, first filter screen is primary filter screen 1, is made of Polyester Fibers, is board-like；
As described in Figure 2, second filter screen is monatomic modified with noble metals activated charcoal strainer 2 made from embodiment 3.
As described in Figure 2, the third filter screen is HPEA/ULPA efficient filter 3, is folded by ultra-fine fibre glass through gluing It forms.
Embodiment 8
As shown in Fig. 2, a kind of Multifunction filter screen 4, is installed by multi-filtering net, the multi-filtering net by down toward Upper includes the first filter screen, the second filter screen and third filter screen；Wherein:
As described in Figure 2, first filter screen is primary filter screen 1, is made of Polyester Fibers, is board-like；
As described in Figure 2, second filter screen is monatomic modified with noble metals activated charcoal strainer 2 made from embodiment 4.
As described in Figure 2, the third filter screen is HPEA/ULPA efficient filter 3, is folded by ultra-fine fibre glass through gluing It forms.
Embodiment 9
As shown in figure 3, a kind of air purifier, including more function described in casing, air inlet 5, air outlet 6, embodiment 5 It can filter screen 4, power device and flabellum 7.In the air purifier, the quantity of the Multifunction filter screen 4 is 1.
Air purifier is tested using GB/T 18801-2015 standard, and experimental cabin volume is 30m3, temperature 25 DEG C, humidity 46%.Polluted gas TVOC initial concentration is 4.87mg/m3, every a 5min data of acquisition, the sampling time is 60min.Measuring air purifier is 0.04885min to the complete attenuation concentration Ke of TVOC polluted gas-1, Natural Attenuation concentration Kn For 0.00078min-1, CADR 86.526m3/ h, purification efficiency grade are efficient grade.
Embodiment 10
As shown in figure 3, a kind of air purifier, including more function described in casing, air inlet 5, air outlet 6, embodiment 6 It can filter screen 4, power device and flabellum 7.In the air purifier, the quantity of the Multifunction filter screen 4 is 1.
Air purifier is tested using GB/T 18801-2015 standard, and experimental cabin volume is 30m3, temperature 25 DEG C, humidity 46%.Polluted gas TVOC initial concentration is 4.95mg/m3, every a 5min data of acquisition, the sampling time is 60min.Measuring air purifier is 0.05885min to the complete attenuation concentration Ke of TVOC polluted gas-1, Natural Attenuation concentration Kn For 0.00088min-1, CADR 88.526m3/ h, purification efficiency grade are efficient grade.
Embodiment 11
As shown in figure 3, a kind of air purifier, including more function described in casing, air inlet 5, air outlet 6, embodiment 7 It can filter screen 4, power device and flabellum 7.In the air purifier, the quantity of the Multifunction filter screen 4 is 1.
Air purifier is tested using GB/T 18801-2015 standard, and experimental cabin volume is 30m3, temperature 25 DEG C, humidity 46%.Polluted gas TVOC initial concentration is 4.68mg/m3, every a 5min data of acquisition, the sampling time is 60min.Measuring air purifier is 0.05085min to the complete attenuation concentration Ke of TVOC polluted gas-1, Natural Attenuation concentration Kn For 0.00082min-1, CADR 86.826m3/ h, purification efficiency grade are efficient grade.
Embodiment 12
As shown in figure 4, a kind of air purifier, including more function described in casing, air inlet 5, air outlet 6, embodiment 8 It can filter screen 4, power device and flabellum 7.In the air purifier, the quantity of the Multifunction filter screen 4 is 2.
Air purifier is tested using GB/T 18801-2015 standard, and experimental cabin volume is 30m3, temperature 25 DEG C, humidity 46%.Polluted gas TVOC initial concentration is 4.76mg/m3, every a 5min data of acquisition, the sampling time is 60min.Measuring air purifier is 0.08685min to the complete attenuation concentration Ke of TVOC polluted gas-1, Natural Attenuation concentration Kn For 0.00123min-1, CADR 92.966m3/ h, purification efficiency grade are efficient grade.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (10)

1. a kind of monatomic modified with noble metals active carbon filter screen, including strainer and the active carbon being filled in strainer, feature exists In the active carbon is monatomic modified with noble metals active carbon.
2. monatomic modified with noble metals active carbon filter screen according to claim 1, which is characterized in that the noble metal is Any one or more in Pd, Au, Pt, Ag, Ru.
3. monatomic modified with noble metals active carbon filter screen according to claim 1, which is characterized in that the active carbon is One of grain active carbon, column-shaped active carbon, cocoanut active charcoal or active fruit shell carbon are a variety of, and the partial size of active carbon is 200 Mesh -4mm.
4. monatomic modified with noble metals active carbon filter screen according to claim 1, which is characterized in that the noble metal is born Carrying capacity is the 0.01-1% of quality of activated carbon score.
5. monatomic modified with noble metals active carbon filter screen according to claim 1, which is characterized in that your monatomic gold The amount of fill for belonging to modified activated carbon is 0.5-6kg/m3.
6. monatomic modified with noble metals active carbon filter screen according to claim 1, which is characterized in that your monatomic gold Belong to modified activated carbon to be prepared by the following method to obtain: dry active carbon being impregnated in precious metal salt solution, is then added Reducing agent carries out reduction reaction, after reaction, filters, dry, and monatomic modified with noble metals active carbon is made.
7. a kind of Multifunction filter screen is installed by multi-filtering net, the multi-filtering net includes the first mistake from the bottom to top Strainer, the second filter screen and third filter screen, which is characterized in that second filter screen is claim 1-6 any one institute State monatomic modified with noble metals active carbon filter screen.
8. Multifunction filter screen according to claim 7, which is characterized in that the Multifunction filter screen is by multi-filtering net Detachably install.
9. Multifunction filter screen according to claim 7, which is characterized in that first filter screen is primary filter screen；Institute Stating third filter screen is HPEA/ULPA efficient filter.
10. a kind of air purifier, including casing, air inlet and outlet, filter screen, power device and flabellum, feature It is, the filter screen is Multifunctional filter screen described in claim 7-9 any one.
CN201910159222.0A 2019-03-04 2019-03-04 A kind of monatomic modified with noble metals activated charcoal strainer and air purifier Pending CN109954337A (en)

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CN113577940A (en) * 2021-08-21 2021-11-02 珠海格力电器股份有限公司 Filling type filter screen, air purifier and regeneration method of filter material

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EP1463138A1 (en) * 2003-03-28 2004-09-29 Calsonic Kansei Corporation Cooling system for fuel cell and prevention method for degradation of coolant therefor
JP2007260603A (en) * 2006-03-29 2007-10-11 Suminoe Textile Co Ltd Filter unit for air cleaner
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CN113577940A (en) * 2021-08-21 2021-11-02 珠海格力电器股份有限公司 Filling type filter screen, air purifier and regeneration method of filter material

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