CN105311949A - Formaldehyde removal module - Google Patents
Formaldehyde removal module Download PDFInfo
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- CN105311949A CN105311949A CN201410326133.8A CN201410326133A CN105311949A CN 105311949 A CN105311949 A CN 105311949A CN 201410326133 A CN201410326133 A CN 201410326133A CN 105311949 A CN105311949 A CN 105311949A
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Abstract
The invention provides a formaldehyde removal module. The formaldehyde removal module comprises a micro-nano silver loaded active carbon and a shell, the micro-nano silver loaded active carbon is placed in the shell, and the formaldehyde removal module has a long-acting formaldehyde removal effect. The invention furthers discloses an air purifying device containing the formaldehyde removal module, and an air purifier containing the formaldehyde removal module. The air purifying device and the air purifier respectively have the advantage in long-acting formaldehyde removal.
Description
Technical field
The invention belongs to indoor air purification field, be specifically related to a kind of except formaldehyde module and air cleaning unit.
Background technology
Due to industrialized fast development, the increase of automobile, China becomes atmosphere pollution in the world and increases the weight of the fastest country of degree.Air pollution has had a strong impact on the healthy living of people, and indoor and outdoor is polluted parallel, faces the situation of domestic trouble and foreign invasion.Along with producing and the modernization more of life style, more work and sports entertainment all can carry out in indoor, and people are just more in the indoor activity time.According to statistics, city dweller every day on average nearly more than 80% time spend in indoor, especially always, the weak colony such as young, sick, residual, Abwehrkraft des Koepers is lower, outdoor activities chance less, and the time spent in indoor is even up to more than 93%.The various disease incidences caused by indoor pollution constantly rise, and therefore the health of quality to people of room air has direct contact.
The main source of room air pollution is caused to have building and house decorative material, outdoor pollutant, combustion product and people activity itself.Finishing pollution has become indoor and has had a strong impact on one of principal element of our health.In China, have every year close to 10,000, the finishing family at 000 family is subject to formaldehyde, VOC (VOC) as the injury of the harmful substance in decoration such as toluene, dimethylbenzene.PM2.5 is that human body can enter lung particle, mainly can damage respiratory system and cardiovascular system.
At present, the cleaning principle of the indoor air cleaner that market is sold mainly is divided into passive adsorption air filter to purify, the methods such as general employing HEPA filter screen+active carbon filter screen+photocatalyst (cold catalyst, how far catalyst)+ultraviolet radiation for sterilizing and disinfecting+Electrostatic Absorption filter screen process air, with active air purification, generally have silver ion purification techniques, anion technology, non-thermal plasma trap, photocatalyst technology and clean cluster ion technology effective, initiatively in air, discharge the purifying and sterilizing factor etc.Particulate in air is removed technology and is mainly contained mechanical filter, absorption, electrostatic precipitation, anion and plasma method and the filtration of electrostatic electret etc.Remove PM2.5 and generally adopt electrostatic precipitator technology, utilize high-voltage electrostatic field to make gas ionization thus make dust particles be adsorbed onto collecting method on electrode, though its windage little to larger particles and fiber trapping weak effect, electric discharge can be caused, and cleaning trouble is time-consuming, easy generation ozone, forms secondary pollution.
In sum, there is following problem in air purifier of the prior art:
Existing air purifier adopt except formaldehyde materials except formaldehyde is long-acting not, need frequently to change, cost is high.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of except formaldehyde module and containing the described air cleaning unit except formaldehyde module.
For achieving the above object and other relevant objects, the present invention is by the following technical solutions:
A first aspect of the present invention, provides a kind of except formaldehyde module, and described formaldehyde module of removing comprises year micro-nano silver active carbon and a housing, and described year micro-nano silver active carbon is placed in protects described housing.
Second aspect present invention, provides a kind of air cleaning unit, and described air cleaning unit comprises above-mentioned except formaldehyde module.
Further, described air cleaning unit also comprises Air Drive Unit, and described Air Drive Unit comprises heating resistor and power supply, and described heating resistor is connected on described power supply, is applicable to the flowing strengthening air.
Preferably, described heating resistor is for carrying micro-nano silver heating activated carbon resistance.
Preferably, described heating resistor is more than or equal to two, the arrangement and each heating resistor vertically aligns.
Preferably, described heating resistor is more than or equal to two, and each heating resistor respectively with one independently power supply be connected.
Preferably, described heating resistor is more than or equal to two, and connects between each heating resistor, and is connected to a power supply.
Third aspect present invention, provide a kind of air purifier, described air purifier comprises air mass sensor, intelligent controller and aforementioned air purifier, described air mass sensor is used for Real-Time Monitoring air quality and delivery air status signal, described intelligent controller receives described air condition signal, export control signal, be sent to air cleaning unit, carry out work to start described air cleaning unit.
Preferably, described air purifier also comprises air quality display, and described air quality display can receive the signal that described intelligent controller sends, the display air quality index of precision.
Fourth aspect present invention, additionally provides another air purifier, and described air purifier comprises control module and aforementioned air purifier, and described control module is used for reception control signal, and controls described air cleaning unit and carry out work.
Compared with prior art, the present invention has the following advantages:
1. provide in technical scheme of the present invention except formaldehyde module, during for air cleaning unit, what adopt carries micro-nano silver active carbon, can long-acting removal formaldehyde, and reusable edible, does not need to change continually, more convenient, environmental protection.
2. further, the mode that the Air Drive Unit in the air cleaning unit provided in technical scheme of the present invention impels air to flow is quiet, and consumed energy is not high, and only needs resistance, does not need complicated blower fan structure, with low cost.When this assembly is used for air cleaning unit, there is the advantage of low noise, low energy consumption, low cost.
Accompanying drawing explanation
Fig. 1 removes formaldehyde modular structure schematic diagram for what provide in embodiments of the invention.
Fig. 2 is shown as the breakthrough curve carrying micro-nano silver active carbon purifying formaldehyde that comparative example prepares gained.
Fig. 3 is shown as the breakthrough curve carrying micro-nano silver active carbon purifying formaldehyde that method 3 prepares gained.
Fig. 4 is shown as the scanning electron microscopic picture of carrying micro-nano silver active carbon that method 3 prepares gained.
The Air Drive Unit structural representation of Fig. 5 for providing in embodiments of the invention.
The air purifier structural representation of Fig. 6 for providing in embodiments of the invention.
The air purifier structural representation of Fig. 7 for providing in embodiments of the invention.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this description can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this description also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
As shown in Figure 1, formaldehyde module of removing of the present invention comprises year micro-nano silver active carbon 21 and a housing 22, and described year micro-nano silver active carbon 21 is placed in protects described housing 22.Described housing is open housing, to make air-flow by carrying micro-nano silver active carbon.Describedly can be board-like, wave or other conventional shapes except formaldehyde module.
Wherein, described year micro-nano silver active carbon is at the Chinese invention patent application preparation method of the carrying nano silver active carbon of long-acting elimination formaldehyde " under a kind of room temperature condition " (application number: 2014102469485) be described in detail.
Concrete, the preparation method of described year micro-nano silver active carbon, comprises the steps:
1) cleaning active charcoal: active carbon is cleaned post-drying;
2) ammoniacal liquor dipping modification: by step 1) gained active carbon impregnated in ammonia spirit, then takes out oven dry;
3) load micro-nano silver: by step 2) gained active carbon impregnated in liquor argenti nitratis ophthalmicus, then takes out oven dry, obtains describedly to carry micro-nano silver active carbon, and the load capacity of carrying the silver of micro-nano silver active carbon is 0.0002-0.1wt%.
Wherein, described micro-nano silver is elemental silver.
Described active carbon is porous activated carbon, and has good electric conductivity and water absorption rate, and its conductance is 200 ~ 1000S/m.
Described step 1) in, the main purpose of cleaning active charcoal is to play the effect of removing part of ash in active carbon and foreign ion.
Shape for active carbon in the present invention does not have particular/special requirement, concrete, and described active carbon can be selected from the active carbon of the various shapes such as powdered active carbon, granular active carbon, fibrous activated carbon, honeycomb moulding active carbon.
Preferably, described step 1) in, the method for active carbon cleaning is for being placed in ultra-pure water ultrasonic cleaning.
Those skilled in the art rule of thumb can determine the time span of ultrasonic cleaning in ultra-pure water, to ensure the abundant cleaning of active carbon.
Preferably, described step 1) in, the temperature of oven dry is 60-120 DEG C.
Preferably, described step 2) in, the mass ratio of active carbon and ammonia spirit is 1:2 ~ 1:20.
Preferably, described step 2) in, the mass percent concentration of ammonia spirit is 15%-28%.
Preferably, described step 2) in, the actual conditions of dipping is: flood 1-24h under room temperature.
Preferably, described step 2) in, the temperature of oven dry is 80-120 DEG C.
Preferably, described step 3) in, the actual conditions of dipping is: flood 6-48h under room temperature.
Preferably, described step 3) in, the temperature of oven dry is 60-100 DEG C.
Preferably, described step 3) in, the mass ratio of active carbon and liquor argenti nitratis ophthalmicus is 1:10-1:100.
Preferably, described step 3) in, described liquor argenti nitratis ophthalmicus is silver nitrate aqueous solution, and in solution, the concentration of silver ion is 10-1000ppm.
Preferably, described step 3) in, the load capacity of carrying the silver of micro-nano silver active carbon is 0.0005-0.1wt%.
More specifically, adopt following preparation method to prepare year micro-nano silver active carbon and the purifying property except formaldehyde is evaluated.
Wherein, the purifying property evaluation of of the present invention year micro-nano silver active carbon PARA FORMALDEHYDE PRILLS(91,95) is carried out in Φ 20mm, long 200mm straight type polytetrafluoroethylene (PTFE) pipe reactor, the filling of active carbon is of a size of Φ 20mm*50mm, and (active carbon filling diameter is identical with straight type polytetrafluoroethylene (PTFE) pipe reactor, ensure that the gas passed through is all through charcoal treatment), unstripped gas consists of: concentration of formaldehyde is 1 ~ 100ppm, be specially 6ppm in embodiment, all the other are air.Reaction is carried out under 25 DEG C of atmospheric pressure environment, and reaction gas volume space velocity (GHSV) is 6000h
-1, detect that concentration of formaldehyde calculates purifying formaldehyde rate by the portable formaldehyde gas detector of domestic GD80.
The undressed honeycomb moulding active carbon of blank sample:
The honeycomb moulding active carbon of Φ 20mm, long 50mm is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, when 25 DEG C, initial time formaldehyde is penetrated, the complete time of break-through of formaldehyde is 820min, shows that the process of blank sample PARA FORMALDEHYDE PRILLS(91,95) is that physical absorption is easily saturated.
The direct load micro-nano silver of comparative example honeycomb moulding active carbon:
Preparation concentration of silver ions is the silver nitrate aqueous solution of 100ppm, undressed Φ 20mm, long 50mm honeycomb moulding active carbon be impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:100, after flooding 6h under room temperature, take out 100 DEG C of oven dry.Wherein the load capacity of micro-nano silver is 0.0002% (wt).
Made active carbon is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, the breakthrough curve of active carbon purifying formaldehyde as shown in Figure 2, when 25 DEG C, initial time formaldehyde is penetrated, and after 1870min, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 15%.
Method 1
Φ 20mm, long 50mm honeycomb moulding active carbon are placed in ultra-pure water through ultrasonic cleaning three times (active carbon being put into ultra-pure water ultrasonic cleaner fully to clean), in 60 DEG C of oven dry; Active carbon after cleaning is placed in the ammonia spirit of 15% with the ratio of mass ratio 1:5, takes out after flooding 1h under room temperature, in 80 DEG C of oven dry; Preparation concentration of silver ions is the silver nitrate aqueous solution of 100ppm, impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:100 by active carbon, takes out 100 DEG C oven dry after flooding 6h under room temperature.Wherein the load capacity of micro-nano silver is 0.0005% (wt).
The active carbon prepared is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, when 25 DEG C, the initial purge rate of formaldehyde is 100%, after 130min, formaldehyde starts to penetrate, and after 2960min, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 18.5%.
Method 2
Φ 20mm, long 50mm honeycomb moulding active carbon are placed in ultra-pure water through ultrasonic cleaning three times, in 80 DEG C dry with; Active carbon after cleaning is placed in the ammonia spirit of 15% with the ratio of mass ratio 1:10, takes out after flooding 24h under room temperature, in 80 DEG C of oven dry; Preparation concentration of silver ions is the silver nitrate aqueous solution of 70ppm, impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:50 by active carbon, takes out 60 DEG C oven dry after flooding 48h under room temperature.Wherein the load capacity of micro-nano silver is 0.01% (wt).
The active carbon prepared is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, when 25 DEG C the initial purge rate of formaldehyde be 100%, 17h after formaldehyde start to penetrate, after 75h, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 37%.Method 3
Φ 20mm, long 50mm honeycomb moulding active carbon are placed in ultra-pure water through ultrasonic cleaning three times, in 80 DEG C of oven dry; Active carbon after cleaning is placed in the ammonia spirit of 28% with the ratio of mass ratio 1:20, takes out after flooding 4h under room temperature, in 100 DEG C of oven dry; Preparation concentration of silver ions is the silver nitrate aqueous solution of 100ppm, impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:100 by active carbon, takes out 100 DEG C oven dry after flooding 8h under room temperature.Wherein the load capacity of micro-nano silver is 0.03% (wt).
The active carbon prepared is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, the breakthrough curve of active carbon purifying formaldehyde as shown in Figure 3, when 25 DEG C, the initial purge rate of formaldehyde is 100%, after 42h, formaldehyde starts to penetrate, after 140h, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 50%.The scanning electron microscopic picture preparing the active carbon of gained as shown in Figure 4, is piled up at activated carbon surface and is had tens nanometers to the Argent grain of several microns.
Method 4
Φ 20mm, long 50mm honeycomb moulding active carbon are placed in ultra-pure water through ultrasonic cleaning three times, in 120 DEG C of oven dry; Active carbon after cleaning is placed in the ammonia spirit of 28% with the ratio of mass ratio 1:10, takes out after flooding 6h under room temperature, in 100 DEG C of oven dry; Preparation concentration of silver ions is the silver nitrate aqueous solution of 1000ppm, impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:20 by active carbon, takes out 100 DEG C oven dry after flooding 36h under room temperature.Wherein the load capacity of micro-nano silver is 0.1% (wt).
The active carbon prepared is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, when 25 DEG C the initial purge rate of formaldehyde be 100%, 184h after formaldehyde start to penetrate, after 620h, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 70%.Method 5
Filling is of a size of Φ 20mm, the granular active carbon of long 50mm is placed in ultra-pure water through ultrasonic cleaning three times, in 100 DEG C of oven dry; Active carbon after cleaning is placed in the ammonia spirit of 20% with the ratio of mass ratio 1:2, takes out after flooding 10h under room temperature, in 80 DEG C of oven dry; Preparation concentration of silver ions is the silver nitrate aqueous solution of 10ppm, impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution for 1:10 by active carbon, takes out 100 DEG C oven dry after flooding 12h under room temperature.Wherein the load capacity of micro-nano silver is 0.0018% (wt).
The active carbon prepared is carried out purifying formaldehyde performance evaluation according to afore-mentioned test condition, when 25 DEG C the initial purge rate of formaldehyde be 100%, 410min after formaldehyde start to penetrate, after 92h, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 33%.
Visible, year micro-nano silver activated carbon catalysis oxidation of formaldehyde decomposition rate prepared by preparation method provided by the present invention is high, the duration long and stable performance.In addition, the raw material active carbon cost that preparation method provided by the present invention adopts is low, source is wide, and the silver content of load on it is 0.0002 ~ 0.1% (wt), and therefore the cost of catalyst is lower, and preparation technology is simple, has good industrialization prospect.
In above-mentioned preparation method, by active carbon after ultra-pure water cleaning, ammoniacal liquor soak, the part of ash in active carbon and foreign ion are removed, introduce a large amount of oh groups simultaneously, hydroxyl has polarity, can form hydrogen bond with formaldehyde, increases the rate of adsorption and the adsorbance of formaldehyde; Meeting such as its ash content and foreign ion etc. and hydroxyl are replaced on the other hand, and the content of the phosphate radical of minimizing active carbon inside and chlorion etc., makes Ag
+simple substance micro-nano silver is more easily reduced at activated carbon surface; Being uniformly distributed of hydroxyl makes micro-nano silver dispersed at activated carbon surface, improves the catalytic decomposition performance of micro-nano silver PARA FORMALDEHYDE PRILLS(91,95).Micro-nano silver and active carbon, under enrichment transforms synergistic mechanism, complete formaldehyde treated jointly: active carbon is by formaldehyde gas adsorption and enrichment, and formaldehyde catalytic decomposition is become CO with the synergy of active carbon by micro-nano silver
2and H
2o, when catalyzed conversion speed is close or when exceeding enriching rate, saturated adsorption problem can be resolved; In addition, low concentration formaldehyde can be improved by enrichment thus obtain higher conversion rate and efficiency, can for a long time, efficient, advanced treating low concentration and high-concentration formaldehyde gas.
Compared with prior art, the active carbon that of the present invention year micro-nano silver active carbon is crossed with ultra-pure water cleaning, WITH AMMONIA TREATMENT is for carrier, load micro-nano silver active component is prepared from, make use of the absorption of active carbon, reproducibility, the catalytic oxidation performance of micro-nano silver PARA FORMALDEHYDE PRILLS(91,95) and the enrichment between micro-nano silver and active carbon transform synergistic mechanism, make to carry high, the stable performance of micro-nano silver activated carbon catalysis oxidation of formaldehyde decomposition rate, there is substantive distinguishing features and marked improvement.The raw material active carbon cost that the present invention adopts is low, source is wide, and the silver content of load on it is 0.0002 ~ 0.1% (wt), and therefore the cost of catalyst is lower, and preparation technology is simple; Catalyst is at air speed 6000h
-1, realize the complete catalysts oxidation of PARA FORMALDEHYDE PRILLS(91,95) under room temperature, the duration reaches 184h, and after 184h, formaldehyde starts to penetrate, and after 620h, formaldehyde penetrates and reaches balance, and now the purifying rate of formaldehyde is about 70%.Described year micro-nano silver active carbon, can long-acting removal formaldehyde, and reusable edible, does not need to change continually, more convenient, environmental protection.
Further, air cleaning unit of the present invention, generally comprises housing, and housing is provided with air intake vent, air outlet, and housing cavity establishes air movement device, air-purifying module.Can arrange according to actual needs in air movement device and the air-purifying module position in air cleaning unit.
Described air intake vent can be located at side or the bottom surface of air cleaning unit housing.Described air outlet can be located at the top of air cleaning unit.
Air-purifying module in described air cleaning unit can comprise one or more air cleaning members.Described air cleaning member can be passive adsorption air filter purifying part, also can be active air purifying part or both combinations.As one or more the combination in HEPA filter screen, active carbon filter screen, photocatalyst (cold catalyst, how far catalyst), the existing air cleaning member such as uviol lamp, Electrostatic Absorption filter screen, negative ion generating device can be selected from.Air-purifying module is arranged on the current path that air movement device produces.
Further, air cleaning unit of the present invention adopt above-mentioned improvement except formaldehyde module.Described formaldehyde module of removing is positioned at air cleaning unit.Generally, to be describedly positioned on the current path that air movement device produces except formaldehyde module.Described formaldehyde module of removing can be used as air-purifying module, or described formaldehyde module of removing also can form air-purifying module with other air cleaning members jointly.Described except formaldehyde module owing to have employed, thus can the formaldehyde of long-acting removal air.
Described air movement device can be blower fan.Further improvement, the present invention adopts a kind of new Air Drive Unit to replace blower fan as air movement device.
The Air Drive Unit of described improvement as shown in Figure 5, comprise heating resistor 11 and power supply 12, can generate heat after described heating resistor 11 is communicated with power supply 12, the temperature of the air above described heating resistor 11 is raised, and then make the air above described heating resistor 11 and form the temperature difference from described heating resistor 11 air remotely and produce cross-ventilation, thus air microfluidic is formed above heating resistor 11, the air of surrounding environment is upwards flowed continuously, and the arrow in figure represents the direction of air current flow.Like this by the mode peace and quiet that heating resistor 11 impels air to flow, and consumed energy is not high, and only needs resistance, does not need complicated blower fan structure, with low cost.When this assembly is used for air cleaning unit, there is the advantage of low noise, low energy consumption, low cost.
Wherein, described power supply 12 can adopt battery or domestic power supply, and its voltage provided is relatively good at 6-12v.
Preferably, when the power of described heating resistor 11 is 0.12 ~ 0.6w, the temperature of generation is 45 ~ 60 DEG C, the cross-ventilation effectiveness comparison of generation is good.
Preferably, described heating resistor is for carrying micro-nano silver heating activated carbon resistance.
Make the heating resistor in above-mentioned Air Drive Unit when year micro-nano silver active carbon that aforesaid way is prepared, during use, described efficiency of carrying micro-nano silver active carbon decomposing formaldehyde can be made to improve.In addition, in cold situation, carrying micro-nano silver active carbon only can catalyzed conversion formaldehyde, makes it be decomposed into carbon dioxide and water.And be energized on year micro-nano silver active carbon, the reactivity of carrying micro-nano silver activated carbon surface can improve, thus possesses the ability of decomposing VOC.Thus, described year micro-nano silver active carbon is made the heating resistor in above-mentioned Air Drive Unit, not only make described Air Drive Unit have the advantage of low noise, the described micro-nano silver active carbon that carries also can be made to have the function integrated except PM2.5, formaldehyde, VOCs concurrently.
Preferably, described heating resistor 11 is more than or equal to two, the arrangement and each heating resistor 11 vertically aligns, the temperature above described heating resistor 11 can be improved, and then promote air above described heating resistor 11 and the Air Temperature Difference away from described heating resistor 11 place, thus above described heating resistor 11, form stronger air flowing.
Preferably, described heating resistor 11 is more than or equal to two, and each heating resistor 11 respectively with one independently power supply 12 be connected, now the power supply capacity of each independent circuits is strong and controlled, avoids breaking down together.
Preferably, described heating resistor 11 is more than or equal to two, and connect between each heating resistor 11, and be connected to a power supply, now the general power of described heating resistor 11 is large, the temperature above described heating resistor 11 can be improved, and then promote air above described heating resistor 11 and the Air Temperature Difference away from described heating resistor 11 place, thus above described heating resistor 11, form stronger air flowing.
Preferably, described heating resistor is more than or equal to two, and each heating resistor is connected in parallel to each other, and is connected to same power supply, and now, whole circuit is simple and be easy to control.
When described heating resistor is more than or equal to two, the air thermal convection current above heating resistor can be strengthened.
The heating resistor of described Air Drive Unit is positioned at air cleaning unit inner chamber.Drive the mechanism of air based on Air Drive Unit of the present invention, the optional position that described heating resistor is located in inner chamber all can produce air-flow.Preferably, described heating resistor, near air intake vent, makes the air in surrounding environment enter air cleaning unit continuously.Concrete, as described in heating resistor be located at the bottom of air cleaning unit.
Air-purifying module of the present invention can be arranged on the updraft path that Air Drive Unit produces.Preferably, described air-purifying module is located at above the heating resistor of described Air Drive Unit, and current rate is large herein, can improve air purification efficiency.Like this by the mode peace and quiet that Air Drive Unit impels air to flow, and consumed energy is not high, and only needs resistance, does not need complicated blower fan structure, with low cost.When this assembly is used for air cleaning unit, there is the advantage of low noise, low energy consumption, low cost.
Further, present invention also offers a kind of air purifier, as shown in Figure 6, comprise air mass sensor 1 and intelligent controller 2, and air cleaning unit 4, described air cleaning unit 4 comprises except formaldehyde module 411, and described air mass sensor 1 is for Real-Time Monitoring air quality, comprise concentration of formaldehyde, PM2.5 concentration, TVOC concentration, temperature, humidity etc., and delivery air status signal; Described air mass sensor 1 can adopt prior art, such as: the product type of Shanghai Teng Wei Information technology Co., Ltd is the air mass sensor of TS-201, or other has the product of similar functions.
Described intelligent controller 2 receives described air condition signal, and exports control signal, is sent to air cleaning unit 4, carries out work to start described air cleaning unit 4.Described intelligent controller 2 can adopt prior art, and wherein formaldehyde controller can be the product of Shanghai Teng Wei Information technology Co., Ltd, and product type is TS102, or other has the product of similar functions; Temperature and humidity controller can be Shanghai Teng Wei Information technology Co., Ltd product, and product type is TS402, or other has the product of similar functions.
Preferably, described intelligent controller 2 also can be connected with autoalarm, when air quality exceedes early warning value, then can start autoalarm and send alarm signal, and described alarm signal can be sound, optical, electrical, information flow etc.
Preferably, described air purifier also comprises air quality display 3, and described air quality display 3 can receive the signal that described intelligent controller sends, the display air quality index of precision; Described air quality display 3 can adopt prior art, and can be Shanghai Teng Wei Information technology Co., Ltd product, product type be TP-202, or other has the product of similar functions.
Further, present invention also offers another air purifier, as shown in Figure 7, comprise control module 5 and aforementioned air purifier 4, described control module 5 is for reception control signal, and control described air cleaning unit 4 and carry out work, described air cleaning unit 4 comprises except formaldehyde module 411; Described control module 5 can adopt prior art can be Shanghai Teng Wei Information technology Co., Ltd product, and product type is TM101, or other has the product of similar functions.
Further, above-mentioned air purifier all can comprise Air Drive Unit as shown in Figure 5 further.
Preferably, describedly the top of the heating resistor of described Air Drive Unit is positioned at except formaldehyde module.When except formaldehyde module with Air Drive Unit vertical direction aligns arrange time, can further improve the efficiency purified air.
Compared with prior art, the present invention has the following advantages:
1. provide in technical scheme of the present invention except formaldehyde module, during for air cleaning unit, what adopt carries micro-nano silver active carbon, can long-acting removal formaldehyde, and reusable edible, does not need to change continually, more convenient, environmental protection.
2. further, the mode that the Air Drive Unit in the air cleaning unit provided in technical scheme of the present invention impels air to flow is quiet, and consumed energy is not high, and only needs resistance, does not need complicated blower fan structure, with low cost.When this assembly is used for air cleaning unit, there is the advantage of low noise, low energy consumption, low cost.
The above; be only preferred embodiment of the present invention; above-described embodiment is illustrative principle of the present invention and effect thereof only; and not to any formal and substantial restriction of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; also can make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.All those skilled in the art, without departing from the spirit and scope of the present invention, a little change made when utilizing disclosed above technology contents, the equivalent variations of modifying and developing, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above-described embodiment is done, modify and differentiation, all still belong in the scope of technical scheme of the present invention.
Claims (10)
1. except a formaldehyde module, it is characterized in that, described formaldehyde module of removing comprises year micro-nano silver active carbon and a housing, and described year micro-nano silver active carbon is placed in protects described housing.
2. an air cleaning unit, is characterized in that, described air cleaning unit comprises as claimed in claim 1 except formaldehyde module.
3. air cleaning unit according to claim 2, it is characterized in that, described air cleaning unit also comprises Air Drive Unit, and described Air Drive Unit comprises heating resistor and power supply, described heating resistor is connected on described power supply, is applicable to the flowing strengthening air.
4. air cleaning unit according to claim 3, is characterized in that, described heating resistor is for carrying micro-nano silver heating activated carbon resistance.
5. air cleaning unit according to claim 3, is characterized in that, described heating resistor is more than or equal to two, the arrangement and each heating resistor vertically aligns.
6. air cleaning unit according to claim 3, is characterized in that, described heating resistor is more than or equal to two, and each heating resistor respectively with one independently power supply be connected.
7. air cleaning unit according to claim 3, is characterized in that, described heating resistor is more than or equal to two, and connects between each heating resistor, and is connected to a power supply.
8. an air purifier, it is characterized in that, described air purifier comprise air mass sensor, intelligent controller and as arbitrary in claim 2-7 as described in air cleaning unit, described air mass sensor is used for Real-Time Monitoring air quality and delivery air status signal, described intelligent controller receives described air condition signal, export control signal, be sent to air cleaning unit, carry out work to start described air cleaning unit.
9. air purifier according to claim 8, is characterized in that, described air purifier also comprises air quality display, and described air quality display can receive the signal that described intelligent controller sends, the display air quality index of precision.
10. an air purifier, is characterized in that, described air purifier comprise control module and as arbitrary in claim 2-7 as described in air cleaning unit, described control module is used for reception control signal, and controls described air cleaning unit and carry out work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326133.8A CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326133.8A CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
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| CN105311949A true CN105311949A (en) | 2016-02-10 |
| CN105311949B CN105311949B (en) | 2019-01-25 |
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| CN201410326133.8A Active CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
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Citations (7)
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| CN2603336Y (en) * | 2003-03-10 | 2004-02-11 | 北京亚都科技股份有限公司 | Electrostatic air purifier |
| CN2763730Y (en) * | 2005-01-21 | 2006-03-08 | 袁胜发 | Blowing-fan free air renewal humidifier |
| US20100143205A1 (en) * | 2008-11-28 | 2010-06-10 | Rolf Engelhard | High intensity air purifier |
| CN202561901U (en) * | 2012-02-14 | 2012-11-28 | 苏州启山电器技术开发事务所(普通合伙) | Indoor air cleaning system |
| CN103100297A (en) * | 2011-11-15 | 2013-05-15 | 常州诺瑞格纳米科技有限公司 | Vehicle air filtration device |
| CN202933608U (en) * | 2012-08-22 | 2013-05-15 | 沈阳工业大学 | Device for collecting formaldehyde in automotive cab |
| CN103566752A (en) * | 2012-07-31 | 2014-02-12 | 上海想乐平面设计有限公司 | Electrochemical gas purification device based on porous molded active carbon |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603336Y (en) * | 2003-03-10 | 2004-02-11 | 北京亚都科技股份有限公司 | Electrostatic air purifier |
| CN2763730Y (en) * | 2005-01-21 | 2006-03-08 | 袁胜发 | Blowing-fan free air renewal humidifier |
| US20100143205A1 (en) * | 2008-11-28 | 2010-06-10 | Rolf Engelhard | High intensity air purifier |
| CN103100297A (en) * | 2011-11-15 | 2013-05-15 | 常州诺瑞格纳米科技有限公司 | Vehicle air filtration device |
| CN202561901U (en) * | 2012-02-14 | 2012-11-28 | 苏州启山电器技术开发事务所(普通合伙) | Indoor air cleaning system |
| CN103566752A (en) * | 2012-07-31 | 2014-02-12 | 上海想乐平面设计有限公司 | Electrochemical gas purification device based on porous molded active carbon |
| CN202933608U (en) * | 2012-08-22 | 2013-05-15 | 沈阳工业大学 | Device for collecting formaldehyde in automotive cab |
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| CN105311949B (en) | 2019-01-25 |
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