CN211987849U - Remove formaldehyde purification part and contain its air purification device - Google Patents
Remove formaldehyde purification part and contain its air purification device Download PDFInfo
- Publication number
- CN211987849U CN211987849U CN202020335628.8U CN202020335628U CN211987849U CN 211987849 U CN211987849 U CN 211987849U CN 202020335628 U CN202020335628 U CN 202020335628U CN 211987849 U CN211987849 U CN 211987849U
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- layer
- carrier
- amino acid
- purification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a remove formaldehyde purification part and contain its air purification device, remove formaldehyde purification part except including the carrier, still including setting gradually the carrier is on the surface on polyethyleneimine layer and amide amino acid layer. The polyethyleneimine layer and the amide amino acid layer are sequentially arranged on the surface of the carrier, so that the adsorption capacity and decomposition rate of the carrier on formaldehyde can be enhanced, the formaldehyde removal efficiency is improved, and the good formaldehyde removal effect is achievedThe formaldehyde effect is that in a 30-cubic closed experimental cabin, the formaldehyde elimination rate in 35 minutes actually measured by a phenol reagent method can reach more than 91 percent, and the CADR value is 108m3More than h. Contain remove formaldehyde purification unit of part, decomposition formaldehyde ability is strong, no secondary pollution, and safe environmental protection, with low costs, easily industrialization have extensive application prospect.
Description
Technical Field
The utility model relates to an air purification technical field, concretely relates to remove formaldehyde purification part and contain its air purification device.
Background
Formaldehyde is a common pollutant in indoor air and is mainly derived from building materials, decorative materials, household chemicals and the like. Formaldehyde enters a human body and can be combined with amino groups in protein to generate formylated protein, so that the abnormality of smell, lung function, central nervous system, immune function and the like can be caused, genetic materials in cells can be seriously damaged, and cancer is caused. Therefore, the hazard of formaldehyde has attracted a great deal of attention.
At present, various treatment materials for formaldehyde pollution exist, including solid materials and liquid materials. CN108906117A discloses a novel visible color-changing air purification material, which comprises an L zeolite molecular sieve and copper elements accounting for 1-5% of the mass fraction of the L zeolite molecular sieve, wherein the copper elements are dispersed on active sites of the L zeolite molecular sieve in a Cu form. The Cu in the air purification material provided by the invention has very high catalytic oxidation activity, formaldehyde, aromatic hydrocarbon and VOC can be efficiently degraded into carbon dioxide and water through catalytic oxidation, and in the reaction process, the Cu2+Will be reduced to Cu+As the degree of reaction increases, Cu+Gradually migrate from the internal sites of the L zeolite molecular sieve to the surface of the molecular sieve to form red Cu2And O species. Slow Cu2The O species are oxidized by the oxygen in the air to black CuO. However, in this invention Cu+Slow migration, leading to formaldehyde in the airConcentration accumulation is caused by untimely removal, which causes damage to human bodies.
CN107952354A discloses a liquid material for absorbing formaldehyde and a preparation method thereof, the liquid material is prepared from a solvent and the following solid components in parts by weight: 2-20 parts of ionic cellulose ether, 4-32 parts of chiral amino alcohol, 2-16 parts of magnesium oxide, 1-6 parts of titanium dioxide, 1-6 parts of tin dioxide and 1-6 parts of silicon dioxide, wherein the weight ratio of the ionic cellulose ether to the solvent is 1: 0.6-20. The liquid material is obtained by a preparation method comprising the steps of stirring and mixing, ultrasonic dispersion, filtration and the like. However, the tin dioxide used in the liquid material is potentially harmful to humans and can cause the dust deposition disease, i.e. pneumoconiosis, in long-term contact, with a maximum allowable concentration of 10mg/m in the air3(converted to metallic tin).
CN105032361A discloses a preparation method of adsorption particles for removing formaldehyde, which takes hard fruit shells as raw materials, adds the hard fruit shells into phosphoric acid solution with the temperature of 30-60 ℃, evenly mixes and soaks for 20-30 h; after high-temperature activation, cleaning the materials; adding a proper amount of calcium nitrate and/or magnesium carbonate solution into the materials, soaking for 4-10h, and then drying the materials until the moisture content is less than 10%; then carrying out microwave high-temperature activation; the formaldehyde-removing activated carbon is prepared. The formaldehyde-removing active carbon of the invention removes formaldehyde by chemical adsorption and physical adsorption, and the experimental analysis shows that the formaldehyde adsorption capacity of the product is 3-4 times of that of common active carbon and commercially available formaldehyde-removing active carbon, and the effect is obvious. But the material has physical adsorption, and the formaldehyde removal is not thorough, thereby causing secondary pollution.
Based on the above documents, it is known how to provide a formaldehyde removing and purifying component which can remove formaldehyde efficiently and sufficiently, is safe and environment-friendly, has no secondary pollution, and is low in cost, and thus, the problem is urgently needed to be solved at the present stage.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model provides a formaldehyde removal purification component and an air purification device comprising the same, which improves the efficiency of removing formaldehyde and has no secondary pollution; meanwhile, the polyethyleneimine and the amide amino acid are safe, environment-friendly, low in cost and easy to industrialize.
To achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, the present invention provides a formaldehyde removing purification component, which comprises a carrier, wherein the carrier is made of any one of silicon oxide, aluminum oxide, titanium oxide, silica gel or zeolite; the formaldehyde removal purification component also comprises a polyethylene imine layer and an amide amino acid layer which are sequentially arranged on the surface of the carrier.
The utility model provides a remove formaldehyde purification unit, adopt the polyethyleneimine layer as the intermediate level, set up to the carrier, can strengthen the carrier to the adsorption efficiency of formaldehyde, the reactivity of polyethyleneimine and formaldehyde is extremely strong, catch and react with formaldehyde fast; the amide amino acid layer is used as the outermost layer and arranged on the carrier coated with the polyethylene imine layer, the amide amino acid layer reacts with formaldehyde and is solidified inside the pores, the purpose of fully removing the formaldehyde is achieved, the amide amino acid layer and the polyethylene imine layer act synergistically, so that the speed of decomposing the formaldehyde in the air by the purification component is increased, the purification component has a good formaldehyde removing effect, no secondary pollution is caused, meanwhile, the polyethylene imine and the amide amino acid have no potential harm to human bodies, wide sources, low price and easy industrialization.
Preferably, the polyethylene layer is attached to the carrier.
Preferably, the polyethylene imine layer is coated on the support by impregnation.
Preferably, the thickness of the polyethyleneimine layer is 0.1 to 0.5nm, and may be, for example, 0.1nm, 0.15nm, 0.2nm, 0.3nm, 0.4nm, 0.5nm, or the like.
Preferably, the amide-based amino acid layer is attached to a polyethylene layer.
Preferably, the amide-based amino acid layer is coated on the surface of the polyethyleneimine layer by impregnation.
Preferably, the amide-based amino acid layer has a thickness of 0.1 to 0.5nm, and may be, for example, 0.1nm, 0.15nm, 0.2nm, 0.3nm, 0.4nm, 0.5nm, or the like.
Preferably, the amide-based amino acid layer comprises an asparagine layer and/or a glutamine layer.
In a second aspect, the present invention provides an air purification apparatus, which includes the above first aspect of the formaldehyde removal purification component.
The utility model provides an air purification device, adopt remove formaldehyde purification part, strong with formaldehyde reaction ability, capture formaldehyde that can be quick and fix it on the purification part, have the characteristics that decomposition formaldehyde ability is strong and no secondary pollution, formaldehyde in can quick, high-efficient, abundant deaerate avoids formaldehyde to the harm of human body, and the using value is higher.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
(1) the utility model provides a remove formaldehyde purification unit, polyethyleneimine layer and amide amino acid layer laminate on the carrier in proper order, can strengthen the carrier to formaldehyde's adsorption efficiency and reaction rate for get rid of the speed of formaldehyde, have good formaldehyde removal effect, in 30 cubic airtight experiment under-deck, the actual measurement of phenol reagent method 35 minutes formaldehyde elimination can reach more than 91%;
(2) the formaldehyde removing and purifying component provided by the utility model can fully decompose formaldehyde, has no secondary pollution, wide raw material source, low price, safety, environmental protection and easy industrial production;
(3) the utility model provides an air purification device has the ability quick, high-efficient, thoroughly remove formaldehyde, avoids formaldehyde in the air to the harm of human body, and application prospect is extensive.
Drawings
FIG. 1 is a schematic view of the structure of a formaldehyde removing purification unit provided in example 1.
FIG. 2 is a schematic sectional view showing the pore structure of the purification unit for removing formaldehyde provided in example 1.
Wherein, the coating comprises a 1-carrier, a 2-polyethylene imine layer and a 3-amide amino acid layer.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is transparent silicon oxide, and the specific surface area is 250m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer as an intermediate layer, an amide amino acid layer 3 is arranged on the inner layer as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.2nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is a glutamine layer and is 0.5nm in thickness.
The structure of the formaldehyde removing and purifying component provided by this embodiment is schematically shown in fig. 1. Remove formaldehyde purification part includes carrier 1, polyethyleneimine layer 2 and amide amino acid layer 3, the material of carrier 1 is porous adsorption material, will the surface of carrier 1 and the downthehole surface be as the inlayer be provided with polyethyleneimine layer 2 as the intermediate level on the inlayer and amide amino acid layer 3 is as outmost, the laminating of polyethyleneimine layer 2 internal surface and carrier 1's surface and downthehole surface, amide amino acid layer 3 and the laminating of polyethyleneimine layer 2.
The sectional view of the pore structure in the formaldehyde removing purification component provided in this example is shown in FIG. 2. The formaldehyde removal purification component uses the inner surface of a hole of a carrier 1 as an inner layer, a polyethyleneimine layer 2 as an intermediate layer and an amide amino acid layer 3 as an outermost layer are arranged on the inner surface of the hole, the inner surface of the polyethyleneimine layer 2 is attached to the outer surface of the carrier 1, and the outer surface of the polyethyleneimine layer 2 is attached to the amide amino acid layer 3.
Example 2
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is transparent silicon oxide, and the specific surface area is 250m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layers as an intermediate layer and an amide amino acid layer 3 is arranged on the inner layers as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.2nm, and the amide amino acid layer 3 and the polyethylene imine layer are arranged on the outer layers2, attaching, wherein the amide amino acid layer 3 is an asparagine layer, and the thickness of the asparagine layer is 0.5 nm.
Example 3
This example provides a formaldehyde-removing purification member, the material of the carrier 1 of the formaldehyde-removing purification member is white titanium oxide, and the specific surface area thereof is 200m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer as an intermediate layer, an amide amino acid layer 3 is arranged on the inner layer as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.5nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is a glutamine layer and is 0.5nm in thickness.
Example 4
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is white alumina, and the specific surface area thereof is 700m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer as an intermediate layer, an amide amino acid layer 3 is arranged on the inner layer as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.1nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is a glutamine layer and is 0.3nm in thickness.
Example 5
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is white silica gel, and the specific surface area thereof is 950m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer and used as an intermediate layer, an amide amino acid layer 3 is arranged on the inner layer and used as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.3nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is an asparagine layer and is 0.1nm in thickness.
Example 6
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is white alumina, and the specific surface area thereof is 300m2G, the outer surface of the support 1The surface and the inner surface of the hole are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer and used as a middle layer, an amide amino acid layer 3 is arranged on the inner layer and used as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.4nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is an asparagine layer and is 0.5nm in thickness.
Example 7
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is white alumina, and the specific surface area thereof is 500m2The outer surface and the inner surface of the hole of the carrier 1 are used as inner layers, a polyethylene imine layer 2 is arranged on the inner layer and used as an intermediate layer, an amide amino acid layer 3 is arranged on the inner layer and used as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.2nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, and the amide amino acid layer 3 is an asparagine layer and is 0.4nm in thickness.
Example 8
This example provides a formaldehyde-removing purification component, the material of the carrier 1 of the formaldehyde-removing purification component is transparent silicon oxide, and the specific surface area is 250m2The carrier comprises a carrier body 1, wherein the outer surface and the inner surface of a hole of the carrier body 1 are used as inner layers, a polyethylene imine layer 2 is arranged on each inner layer and used as an intermediate layer, an amide amino acid layer 3 is arranged on each inner layer and used as an outermost layer, the thickness of the polyethylene imine layer 2 is 0.2nm, the amide amino acid layer 3 is attached to the polyethylene imine layer 2, the amide amino acid layer 3 is sequentially a glutamine layer and an asparagine layer, the glutamine layer is attached to the polyethylene imine layer 2, and the thickness of the amide amino acid layer 3 is 0.5 nm.
Comparative example 1
Compared with example 1, the difference is only that the formaldehyde removing purification component provided by the comparative example does not contain the polyethyleneimine layer 2.
Comparative example 2
Compared with example 1, the difference is only that the formaldehyde-removing purification component provided by the comparative example does not contain the amide-based amino acid layer 3.
Evaluation of Formaldehyde removal purification Member Performance:
the formaldehyde-removing purification units prepared in examples 1 to 8 and comparative examples 1 and 2 were used according to the standard GB/T18801-2015 air purifier at 30m3The amount of Clean Air (CADR) in the purifier formaldehyde was measured in a closed laboratory, and under the same conditions, the higher the value, the higher the purification rate. The test method is as follows: taking 30g of the above formaldehyde-removing purification component of 30-70 meshes, and spreading the component to 0.1m2The surface of the 120-mesh stainless steel net is placed to the air volume of 300m3In the/h air purifier, the CADR value of formaldehyde is tested according to the standard.
The test results are shown in table 1.
TABLE 1
As can be seen from table 1,
(1) it can be seen from the combination of examples 1-8 that the CADR value of the formaldehyde removing purification parts provided by examples 1-8 is 108-3Between h, the CADR value of the formaldehyde-removing purification parts prepared in comparative examples 1 and 2 for removing formaldehyde is 45-50m3Between/h;
(2) as can be seen by combining example 1 with comparative example 1, comparative example 1 provides the purification member without the polyethyleneimine layer 2, and the CADR value for formaldehyde removal is 45m3H, significantly lower than 117m of example 13H, thus demonstrating that the polyethyleneimine layer 2 has an enhanced effect of removing formaldehyde;
(3) as can be seen by combining example 1 with comparative example 2, comparative example 2 provides the purification member without the amide-based amino acid layer 3, and the CADR value except formaldehyde is 50m3H, significantly lower than 117m of example 13The results show that the amide amino acid layer 3 has a good formaldehyde removing effect.
To sum up, the utility model provides a remove formaldehyde purification unit, through adopting the polyethyleneimine layer as the intermediate level, can increase the effective adsorption area of carrier to formaldehyde, increase the speed of adsorbing formaldehyde, amino can also react with formaldehyde in the polyethyleneimine simultaneously; amide ammonia usedThe basic acid layer is used as the outermost layer to further achieve the aim of removing formaldehyde, and the basic acid layer and the polyethylene imine layer have synergistic effect, so that the purifying part greatly accelerates the speed of adsorbing formaldehyde in air at 30m3The clean air quantity (CADR) of the formaldehyde in the purifier is tested in a closed experimental cabin to be 108m3More than h, has good formaldehyde removing effect.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (7)
1. The utility model provides a remove formaldehyde purification unit, remove formaldehyde purification unit includes the carrier, the material of carrier is any one of silica, alumina, titanium oxide, silica gel or zeolite, its characterized in that, remove formaldehyde purification unit still including set gradually polyethylene imine layer and amide amino acid layer on the carrier surface.
2. The formaldehyde-removing purification component of claim 1, wherein the polyethylene layer is attached to a carrier;
the polyethylene layer is coated on the support by impregnation.
3. The formaldehyde-removing purification member as claimed in claim 2, wherein the thickness of the polyethyleneimine layer is 0.1 to 0.5 nm.
4. The formaldehyde-removing purification member according to claim 1, wherein the amide-based amino acid layer is bonded to a polyethylene imine layer;
the amide amino acid layer is coated on the surface of the polyethyleneimine layer by dipping.
5. The formaldehyde-removing purification member according to claim 4, wherein the amide-based amino acid layer has a thickness of 0.1 to 0.5 nm.
6. The formaldehyde-removing purification member according to claim 5, wherein the amide-based amino acid layer comprises an asparagine layer and/or a glutamine layer.
7. An air cleaning device, characterized in that it comprises the formaldehyde removing cleaning member according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335628.8U CN211987849U (en) | 2020-03-17 | 2020-03-17 | Remove formaldehyde purification part and contain its air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335628.8U CN211987849U (en) | 2020-03-17 | 2020-03-17 | Remove formaldehyde purification part and contain its air purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211987849U true CN211987849U (en) | 2020-11-24 |
Family
ID=73432083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020335628.8U Active CN211987849U (en) | 2020-03-17 | 2020-03-17 | Remove formaldehyde purification part and contain its air purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211987849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934181A (en) * | 2021-01-28 | 2021-06-11 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method and application thereof |
-
2020
- 2020-03-17 CN CN202020335628.8U patent/CN211987849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934181A (en) * | 2021-01-28 | 2021-06-11 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112107997B (en) | High-molecular air purifying material and preparation method thereof | |
| RU2611519C2 (en) | Method of applying sorbent coating on substrate, support, and/or substrate coated with support | |
| CN1293938C (en) | Methanal disintegrant and preparation thereof | |
| CN101947433B (en) | Multiple-aperture carbon granule air purification agent and preparation method thereof | |
| CN101642698B (en) | Adsorbent used for separating formaldehyde from air and preparation method thereof | |
| CN101884906B (en) | Modified honeycomb activated carbon with nitric oxide adsorption function and preparation method thereof | |
| KR20220028166A (en) | Surface-modified carbon and sorbents for improved efficiency in removal of gaseous contaminants | |
| CN100528346C (en) | Adsorption-catalyst for treating phenol containing waste-water, preparation method and application thereof | |
| CN104907097B (en) | Normal-temperature efficient removes catalyzing carbon monoxide material | |
| CN102838168A (en) | Mesoporous manganese oxide nanometer material capable of removing ozone and formaldehyde in air at room temperature simultaneously | |
| CN105148836A (en) | Catalytic decomposition type air purification material and preparation method thereof | |
| CN104772109A (en) | Air purifier chemical catalytic agent filter screen with firm carrying layer and preparation method of filter screen | |
| CN109954384A (en) | The purifying formaldehyde material and preparation method thereof of amino acid is loaded on porous adsorption carrier | |
| CN101337177A (en) | Active carbon capable of absorbing and decomposing formaldehyde and use thereof | |
| CN211987849U (en) | Remove formaldehyde purification part and contain its air purification device | |
| CN110538553B (en) | Preparation method of tourmaline-based negative ion air purification functional composite filter material | |
| CN107243321B (en) | A kind of air cleaning material of long-acting removal organic polluter | |
| CN110124748B (en) | Preparation method and application of melamine formaldehyde foam loaded nano manganese dioxide material | |
| CN107903666A (en) | A kind of filter material is with removing aldehyde mildew resistant paint and preparation method | |
| CN114669272A (en) | Adsorbent for synergistically removing dust, hydrogen fluoride and hydrogen chloride in copper smelting flue gas and preparation method thereof | |
| CN102000547A (en) | Cuprous chloride-modified honeycomb activated carbon adsorbing material and preparation method thereof | |
| CN112980268A (en) | Water-based paint coating with air purification function and preparation method thereof | |
| CN101890263A (en) | Filter material for removing aldehydes | |
| CN105268399B (en) | Room temperature ammonia efficient process material | |
| CN110201661A (en) | A kind of manganese base charcoal of porous array structure and its preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |