CN105749650A - Spongy air purifying filter mesh and production method thereof - Google Patents

Spongy air purifying filter mesh and production method thereof Download PDF

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Publication number
CN105749650A
CN105749650A CN201610313795.0A CN201610313795A CN105749650A CN 105749650 A CN105749650 A CN 105749650A CN 201610313795 A CN201610313795 A CN 201610313795A CN 105749650 A CN105749650 A CN 105749650A
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air purifying
skeleton carrier
filter mesh
spongy
duct
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CN201610313795.0A
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CN105749650B (en
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黄建国
王康
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Ningbo Taian New Material Technology Co Ltd
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Ningbo Taian New Material Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30Particle separators, e.g. dust precipitators, using loose filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20707Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2275/00Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20Shape of filtering material
    • B01D2275/206Special forms, e.g. adapted to a certain housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2275/00Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/30Porosity of filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2279/00Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/50Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning

Abstract

The invention relates to a spongy air purifying filter mesh and a production method thereof. In the prior art, neither air purifying filter mesh which is high in purifying efficiency, small in wind resistance and convenient to process, and nor a production method of the air purifying filter mesh is available. The spongy air purifying filter mesh comprises air purifying particles. The spongy air purifying filter mesh is characterized by further comprising a binder layer and a framework carrier with a plurality of hole passages, wherein the binder layer is fixed on the hole passages of the framework carrier; the air purifying particles are evenly distributed on the binder layer when the binder layer is not dry, and are fixed on the binder layer after the binder layer is dried. The production method of the spongy air purifying filter mesh comprises the following steps: adhering a binder into the hole passages of the framework carrier through the steps of gum dipping, extruding and wind blowing; when the binder is not dry, placing the air purifying particles on the surface of the framework carrier, so that the air purifying particles enter the hole passages of the framework carrier; drying the binder to form the binder layer, so as to obtain the spongy air purifying filter mesh. The spongy air purifying filter mesh disclosed by the invention is high in purifying efficiency, small in wind resistance and convenient to process.

Description

A kind of spongy air purifying filter mesh and preparation method thereof
Technical field
The present invention relates to a kind of spongy air purifying filter mesh and preparation method thereof, this spongy air purifying filter mesh is mainly used in air purifier, belongs to environment-friendly materials field.
Background technology
At present, air pollution becomes the popular common problem paid close attention to already, and market creates the air clearing product of number of different types and form.The core component of these air clearing products is the purifying filter element playing purification, for different purification filter screens, its purifying filter element is to reach to remove the purpose of volatile harmful gas pollutant in air by reacting after internal scavenging material and air contact, it is achieved purify the function of air.But, in the process of this purification, it is more intensive that filter screen designs, contained scavenging material is more many, and its efficiency purifying air is more high, but when contained scavenging material is more many, the windage of this filter screen is more big, is unfavorable for the operation of air purifier, causes its treatment effeciency to reduce.
Air purifying filter mesh currently on the market mainly takes packing type or bonded filter screen, wherein, packing type filter screen be by pelletize after purification granule be filled into purification filter screen in, the purification granule that this filter screen comprises is many, other support is not had yet with its interior, pile up mutually between granule and reduce its contact area with air, cause that its purification efficiency is difficult to improve;Bonded filter screen is by adhesive bond to screen surface by scavenging material powder, the load capacity of its scavenging material depends on the aperture of filter screen, the scavenging material amount of its overall load is also few, it is difficult to reach the clean-up effect of the best, and in the process used, the powder scavenging material on its surface is easy to fall off, there is potential safety hazard in use procedure.
If publication date is on 02 12nd, 2014; publication number is in the Chinese patent of CN103566668A; disclose a kind of cleaning filtration screen of air; this cleaning filtration screen of air is made up of rectangular frame, filter screen bracket, filtrate and levels catch net, and wherein filter screen bracket and filtrate are placed between levels catch net;This cleaning filtration screen of air can effectively purify air, but, due to the filtrate stacked arrangement that it is internal, limited with the contact area of air, cause that its purification efficiency is not high.And for example publication date is on 02 29th, 2012, and publication number is in the Chinese patent of CN102363087A, discloses a kind of cleaning filtration screen of air, installs net surface and cover material for air purification on the framework of this cleaning filtration screen of air, and material for air purification is photocatalyst;This air purifying filter mesh can effectively purify the scavenging material of air, but its load capacity is also few, cause that its purification efficiency is restricted, in addition, in the process that this cleaning filtration screen of air works, the scavenging material covered on its wire side easily comes off, and there is unsafe risk, and makes service life of filter screen not high.nullFor another example publication date is on 05 05th, 2010,Publication number is in the Chinese patent of CN201445855U,Disclose a kind of activated charcoal strainer being applied to deep fryer,This activated charcoal strainer being applied to deep fryer include by filter cotton or sponge make in spongiform base net,Base net is bonded with the activated carbon that can remove abnormal flavour,It is further arranged below one layer of oil removing layer at base net,This oil removing layer is for filtering web,Have and can effectively remove the performance such as abnormal flavour and oil smoke,But owing to this activated charcoal strainer is exclusively used in deep fryer,When in oil removing layer long-pending have a small amount of oil time,The windage of oil removing layer can be bigger,The windage of activated charcoal strainer is compared the windage of oil removing layer and is negligible,So this activated charcoal strainer is without considering to reduce windage,And this activated charcoal strainer is used for eliminating the unusual smell,The olfactory sensation that the requirement eliminated the unusual smell is usually people is smelt less than abnormal flavour,So the requirement for purifying gas is very low,In addition,When preparing activated charcoal strainer,It is all adopt first activated carbon and glue to be mixed,Then again the activated carbon with glue is placed in base net,The outer surface causing activated carbon is all wrapped by glue,Greatly reduce the absorbability of activated carbon.
In the middle of scavenging material, multiple material is had can effectively to purify air at present, mainly have to adsorb harmful substance and reach the absorbent charcoal material of air purification effect, with the Titanium Dioxide material of photocatalyst catalysis, low-temperature catalyzed decomposing organic matter is also had to reach the transition-metal oxide catalyst of purification, rare-earth oxide and precious metal material etc..The original form of these scavenging materials is all dusty material, after in the duct be bonded to porous carrier, it is easy to cause duct to block, and additionally tiny powder particle is easily coated with by glue, and can not, with contacting external air, cause being unable to reach the effect purifying air.
Currently there are no a kind of reasonable in design, purification efficiency is high, and windage is little, uses safety, air purifying filter mesh easy to process and preparation method thereof.
Summary of the invention
It is an object of the invention to overcome above shortcomings in prior art, and provide a kind of reasonable in design, purification efficiency is high, and windage is little, uses safety, spongy air purifying filter mesh easy to process and preparation method thereof.
This invention address that the problems referred to above be the technical scheme is that, this spongy air purifying filter mesh includes the air purifying particles with air-cleaning function, it is characterized in that: also include adhesive layer and the skeleton carrier with multiple ducts, described adhesive layer is fixed in the duct of skeleton carrier, described air purifying particles is evenly distributed on adhesive layer when adhesive layer is not dry and through being fixed on adhesive layer after drying, this air purifying particles is respectively positioned in the duct of skeleton carrier.
As preferably, the material of adhesive layer of the present invention is glue, and the open hour of this glue are 30-90s.In the process using glue bonding scavenging material, control bonding and affect bond effect and purification efficiency opportunity.If too fast bonding scavenging material, the mobility of glue is bigger, it is easy to is coated on the surface purifying granule, reduces the contact area of scavenging material and air, reduce the purification efficiency of whole filter screen;If the opportunity of bonding is too late, glue curing is more serious, and its caking property reduces so that the granule of bonding reduces and insecure, affects the use purifying filter screen equally.In this preparation technology, the interpolation purifying granule controls within the scope of the 60-90% of glue open hour opportunity, namely ensure that purification granule is well-bonded, decreases wrapped area.
As preferably, the skeleton carrier with multiple ducts of the present invention is foam or sponge.
As preferably, the percent opening of skeleton carrier of the present invention is 5-50ppi, and the void density (void density refers to this porous material quality and comprises the volume ratio shared by internal gutter) of its corresponding stephanoporate framework material ranges for 5-35kg/m3, it is preferred to 20-25kg/m3.Purifying the crossing in layer of granule in load, for the stephanoporate framework material of same material with purify granule, its void density is more big, illustrates that internal gutter volume is more little, and a portative purification granule is more few.
ρ0=m/v0…………………………(1)
m1=KV0…………………………(2)
Note: ρ0The void density of-stephanoporate framework material
The quality of m-stephanoporate framework material
V0-stephanoporate framework material comprises internal gutter volume
m1-stephanoporate framework material can load purify granule quality
K-constant coefficient
In the process preparing spongy purification filter screen, for the framework material of same material, selected void density is more big, and the volume of its internal gutter is more little, and the portative scavenging material of institute is few and windage big, is unfavorable for improving air purification efficiency;Otherwise, the void density of selected framework material is more little, and the volume in its duct is more big, and the portative scavenging material of institute is many and windage is little, but excessive being unfavorable for of hole is fully cleaned up.Therefore it is necessary to control void density and the scavenging material load capacity of corresponding stephanoporate framework material according to purification condition.Choosing on the basis of existing stephanoporate framework material, the addition that can regulate glue according to specific requirement regulates framework material to suitable void density, thus reaching load capacity and the windage value of the best so that its purification efficiency is best.
As preferably, the material of air purifying particles of the present invention is the absorbent charcoal material of adsorption cleaning, photocatalyst catalyst titanic oxide material or low temperature catalyst manganese bioxide material.
As preferably, the particle diameter of air purifying particles of the present invention is 20-120 order.
A kind of preparation method of described spongy air purifying filter mesh, it is characterized in that: the step of described preparation method is as follows: by impregnation, extruding and blowing step by adhesive bond to the duct of skeleton carrier, when binding agent is not dry, air purifying particles is placed in the surface of skeleton carrier, air purifying particles is made to enter in the duct of skeleton carrier and be bonded on the binding agent being positioned at duct equably, make binding agent solidify to form adhesive layer again through drying steps, obtain spongy air purifying filter mesh.Select granular scavenging material, not only improved effective adhesive, it is also possible to avoid the phenomenon of dry linting.In the process of preparation, adopt in the duct of porous material, be first uniformly stained with glue, and glue unnecessary in duct is removed, finally control to add on suitable opportunity to purify granule, can effectively prevent from purifying granule to be wrapped by superfluous glue, also ensure that the well-bonded of air purifying particles.
As preferably, the step of preparation method of the present invention is as follows: be totally submerged in binding agent by the skeleton carrier with multiple ducts, the duct in skeleton carrier is made to be stained with binding agent completely, the binding agent that skeleton carrier is internal unnecessary is extruded by pressing steps, binding agent unnecessary in skeleton carrier is removed, it is prevented that binding agent blocking duct within skeleton carrier in conjunction with blowing step;Adopt drum process that scavenging material powder preparation is become granular air purifying particles, both conveniently it had been bonded in the duct within skeleton carrier, the duct of skeleton carrier will not be blocked again, reaching the 60-90% of binding agent open hour constantly, air purifying particles is spread to equably the surface of skeleton carrier, makes air purifying particles enter in the duct of skeleton carrier and be bonded in duct;Finally by drying steps so that air purifying particles is adhesively fixed in the duct of skeleton carrier, obtain spongy air purifying filter mesh.
As preferably, drying steps of the present invention refers to and dries under cryogenic, and baking temperature is 30-80 DEG C.
As preferably, in spongy air purifying filter mesh of the present invention, the ratio of the volume of described skeleton carrier and the volume of air purifying particles is 1:0.2~1:0.9.It is preferably 1:0.3~1:0.8.
The present invention compared with prior art, has the following advantages and effect: adopting porous material as skeleton carrier, the load capacity with scavenging material is big, and purification efficiency is high, the feature that windage is low.The easy machine-shaping of porous foam/sponge material and cheap.In conjunction with impregnation, extruding and blowing technique, expand the load surface of air purifying particles to greatest extent, effectively prevent again binding agent blocking duct phenomenon simultaneously.Reasonable in design, purification efficiency is high, and windage is little, uses safety, easy to process, is especially suitable for the production of mass and applies on a large scale.Air purifying particles has binding agent to wrap up only in being fixed on position with binder phase, other positions in air purifying particles are not all wrapped up by binding agent, the bare area of air purifying particles is big, substantially increases the ratio of real effective scavenging material load capacity, good air purification effect.
The features such as porous foam/sponge material has that duct is many, is evenly distributed and is interconnected, bonds conveniently, easily processed into type and with low cost.The present invention purifies in the process of filter screen in preparation sponges/foams, first by macropore sponges/foams thorough impregnation to glue solution so that it is be all stained with glue in inner duct;Again through extruding and blowing technique so that its inner homogeneous ground is stained with glue and will not block the duct inside it too much due to glue;The last upper air purifying particles of bonding equably, is purified the spongy air purifying filter mesh that material load amount is big and windage is little.
By granular air purifying particles in the process bonding with the skeleton carrier containing binding agent, air purifying particles is conducive to be stained with in the duct within skeleton carrier equably, air purifying particles only has sub-fraction and binding agent bonding, under normal circumstances, the area bondd with binding agent in air purifying particles accounts for less than 1/6th of the area of air purifying particles, remain the purifying property of the overwhelming majority, and do not easily cause the blocking in duct, its windage will not be increased, be conducive to improving the air-filtering ability of spongy air purifying filter mesh.
In the process preparing spongy air purifying filter mesh, skeleton carrier selects the porous material with large hole road, as the porous material such as foam, sponge can be adopted as skeleton carrier;Selection can effectively purify the scavenging material of air and serve as purification core material, is prepared into granular air purifying particles;By impregnation, extruding and blowing technique by adhesive bond to the duct of skeleton carrier, then air purifying particles is bonded in the duct of skeleton carrier, then passes through dried and obtain internal load and have the spongy air purifying filter mesh of air purifying particles.
Skeleton carrier generally selects inside to have a large amount of duct and the porous material for open cell type, generally has the multiple open cell type material such as foam, sponge.Glue can select water base glue;And need to select nontoxic and free from extraneous odour, stable chemical performance, open hour more than the glue of subsequent extrusion, air-dry and adhesion technique required time.
Gum dipping process refers at ambient temperature, is immersed in the binding agent of liquid by skeleton carrier so that skeleton carrier is all stained with the binding agent of liquid.Extrusion process is to remove binding agent unnecessary on skeleton carrier, it is possible to select twin rollers that skeleton carrier is extruded.Blowing technique refers to and the skeleton carrier after extruding is blown, and removes binding agent unnecessary in skeleton carrier internal gutter, to prevent the duct within binding agent blocking skeleton carrier.Adhesion technique be take advantage of binding agent on skeleton carrier also dry time air purifying particles is spread to its surface, make air purifying particles be adhered in the duct within skeleton carrier.
The material of air purifying particles can select all can purify the material of air, such as materials such as the absorbent charcoal material of adsorption cleaning, photocatalyst catalyst titanic oxide material and low temperature catalyst manganese dioxide, these materials can act as the effect effectively purifying air.Air purifying particles is that above-mentioned scavenging material powder is obtained granular material after prilling, and wherein preferable particle size is 20-120 order.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of spongy air purifying filter mesh preparation method in the embodiment of the present invention.
Fig. 2 is the structural representation of spongy air purifying filter mesh in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
Embodiment 1.
Referring to Fig. 1 to Fig. 2, selecting active carbon powder as scavenging material, it is stand-by as air purifying particles that application prilling is prepared into the spheroidal particle that particle diameter is 40 orders.Choosing one piece of void density is 15kg/m3Polyurethanes sponge material to prepare target hole gap density as skeleton carrier be 20kg/m3Air purifying filter mesh, it is necessary to by add glue increase its void density.Explorative experiment according to early stage is learnt in the internal gutter of framework material can hold the material for air purification granule accounting for its pore volume 60%, and namely this framework material of every side needs to add 5Kg glue and can be only achieved target empty gap density, it is necessary to interpolation volume is 0.6m3Material for air purification granule.
Above-mentioned skeleton carrier it is immersed in the water base glue of EVA and starts timing, it is totally submerged at it and takes out afterwards, carry out extruding and weighing to twin rollers, process is blown when its quality reaches to be transferred to blowing apparatus place after target call extrudes unnecessary glue, stand-by after dispelling the glue in Partial Blocking duct.Within the time of these glue open hour 60%, complete above-mentioned technique and the above-mentioned air purifying particles prepared is spread to the skeleton carrier speckling with glue equably, so as to bonding obtains spongy air purifying filter mesh.
In the spongy air purifying filter mesh of above-mentioned preparation, take out the spongy air purifying filter mesh that one piece of length, width and height are 10 × 10 × 1cm, be installed in the air purifier that inner chamber is just matched, and this air purifier is put into 3m3Test storehouse in test.
The two ends of test chamber are connected with formaldehyde generator and gas chromatograph respectively.The formaldehyde produced in formaldehyde generator is inputted to test chamber until concentration of formaldehyde is 10mg/m in cabin3, open air purifier therein and carry out air cleaning performance test, utilize the concentration value of formaldehyde in gas chromatograph on-line checking test chamber, record concentration of formaldehyde situation of change over time.Testing result shows, the air purifier 1h containing the spongy air purifying filter mesh being prepared from the present embodiment is at ambient temperature to 10m3In test chamber, concentration is 10mg/m3Formaldehyde clearance be 85%.
Embodiment 2.
Referring to Fig. 1 to Fig. 2, selecting active carbon powder as scavenging material, it is stand-by as air purifying particles that application prilling is prepared into the spheroidal particle that particle diameter is 50 orders.Choosing one piece of void density is 20kg/m3Polyurethanes sponge material to prepare target hole gap density as skeleton carrier be 24kg/m3Air purifying filter mesh, it is necessary to by add glue increase its void density.Explorative experiment according to early stage is learnt in the internal gutter of framework material can hold the material for air purification granule accounting for its pore volume 60%, and namely this framework material of every side needs to add 4Kg glue and can be only achieved target hole gap density, it is necessary to interpolation volume is 0.6m3Material for air purification granule.
Above-mentioned skeleton carrier it is immersed in the water base glue of EVA and starts timing, it is totally submerged at it and takes out afterwards, carry out extruding and weighing to twin rollers, process is blown when its quality reaches to be transferred to blowing apparatus place after target call extrudes unnecessary glue, stand-by after dispelling the glue in Partial Blocking duct.Within the time of these glue open hour 90%, complete above-mentioned technique and the above-mentioned air purifying particles prepared is spread to the skeleton carrier speckling with glue equably, so as to bonding obtains spongy air purifying filter mesh.
In the spongy air purifying filter mesh of above-mentioned preparation, take out the spongy air purifying filter mesh that one piece of length, width and height are 30 × 30 × 1cm, be installed in the air purifier that inner chamber is just matched, and this air purifier is put into 3m3Test storehouse in test.
Above-mentioned air purifying filter mesh performance test is with embodiment 1, and testing result shows, the air purifier 1h containing the spongy air purifying filter mesh being prepared from the present embodiment is at ambient temperature to 3m3In test chamber, concentration is 10mg/m3Formaldehyde clearance be 88%.
Embodiment 3.
Referring to Fig. 1 to Fig. 2, selecting active carbon powder as scavenging material, it is stand-by as air purifying particles that application prilling is prepared into the spheroidal particle that particle diameter is 100 orders.Choosing one piece of void density is 23kg/m3Polyurethanes sponge material to prepare target hole gap density as skeleton carrier be 25kg/m3Air purifying filter mesh, it is necessary to by add glue increase its void density.Explorative experiment according to early stage is learnt in the internal gutter of framework material can hold the material for air purification granule accounting for its pore volume 60%, and namely this framework material of every side needs to add 2Kg glue and can be only achieved target hole gap density, it is necessary to interpolation volume is 0.6m3Material for air purification granule.
Above-mentioned skeleton carrier is immersed in aqueous PU glue and starts timing, it is totally submerged at it and takes out afterwards, carry out extruding and weighing to twin rollers, process is blown when its quality reaches to be transferred to blowing apparatus place after target call extrudes unnecessary glue, stand-by after dispelling the glue in Partial Blocking duct.Within the time of these glue open hour 90%, complete above-mentioned technique and the above-mentioned air purifying particles prepared is spread to the skeleton carrier speckling with glue equably, so as to bonding obtains spongy air purifying filter mesh.
In the spongy air purifying filter mesh of above-mentioned preparation, take out the spongy air purifying filter mesh that one piece of length, width and height are 15 × 15 × 0.6cm, be installed in the air purifier that inner chamber is just matched, and this air purifier is put into 3m3Test storehouse in test.
Above-mentioned air purifying filter mesh performance test is with embodiment 1, and testing result shows, the air purifier 1h containing the spongy air purifying filter mesh being prepared from the present embodiment is at ambient temperature to 3m3In test chamber, concentration is 10mg/m3Formaldehyde clearance be 93%.
Embodiment 4.
Referring to Fig. 1 to Fig. 2, spongy air purifying filter mesh in the present embodiment includes having the air purifying particles of air-cleaning function, adhesive layer and the skeleton carrier with multiple ducts, adhesive layer is fixed in the duct of skeleton carrier, air purifying particles is evenly distributed on adhesive layer when adhesive layer is not dry and through being fixed on adhesive layer after drying, this air purifying particles is respectively positioned in the duct of skeleton carrier.
In the present embodiment, the material of adhesive layer can be glue, and the skeleton carrier with multiple ducts can be foam or sponge, and the void density of skeleton carrier ranges for 5-35kg/m3, the material of air purifying particles can be the absorbent charcoal material of adsorption cleaning, photocatalyst catalyst titanic oxide material or low temperature catalyst manganese bioxide material, and the particle diameter of air purifying particles can be 20-120 order.
In the present embodiment, the step of the preparation method of spongy air purifying filter mesh is as follows: by impregnation, extruding and blowing step by adhesive bond to the duct of skeleton carrier, within certain binding agent open hour, air purifying particles is placed in the surface of skeleton carrier, air purifying particles is made to enter in the duct of skeleton carrier and be bonded on the binding agent being positioned at duct equably, again through drying steps, binding agent is become dry to form adhesive layer, obtain spongy air purifying filter mesh.
Skeleton carrier with multiple ducts is totally submerged in binding agent, the duct in skeleton carrier is made to be stained with binding agent completely, by the binding agent weighed and pressing steps extrusion skeleton carrier is internal unnecessary, accurately control the addition of glue, the binding agent blocking duct in skeleton carrier is dispelled, it is prevented that binding agent blocking duct within skeleton carrier in conjunction with blowing step;Adopt drum process that scavenging material powder preparation is become granular air purifying particles, both conveniently it had been bonded in the duct within skeleton carrier, the duct of skeleton carrier will not be blocked again, within the binding agent open hour, air purifying particles is spread to equably the surface of skeleton carrier, makes air purifying particles enter in the duct of skeleton carrier and be bonded in duct;Finally by drying steps so that air purifying particles is adhesively fixed in the duct of skeleton carrier, obtain spongy air purifying filter mesh.
Drying steps refers to and dries under cryogenic, and baking temperature is 30-80 DEG C.In spongy air purifying filter mesh, the ratio of the volume of described skeleton carrier and the volume of air purifying particles is 1:0.2~1:0.9.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to present configuration example explanation.All equivalences done according to the structure described in inventional idea of the present invention, feature and principle change or simple change, are all included in the protection domain of patent of the present invention.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.

Claims (10)

1. a spongy air purifying filter mesh, including the air purifying particles with air-cleaning function, it is characterized in that: also include adhesive layer and the skeleton carrier with multiple ducts, described adhesive layer is fixed in the duct of skeleton carrier, described air purifying particles is evenly distributed on adhesive layer when adhesive layer is not dry and through being fixed on adhesive layer after drying, this air purifying particles is respectively positioned in the duct of skeleton carrier.
2. spongy air purifying filter mesh according to claim 1, it is characterised in that: the material of described adhesive layer is glue, and the open hour of this glue are 30-90s.
3. spongy air purifying filter mesh according to claim 1, it is characterised in that: the described skeleton carrier with multiple ducts is foam or sponge.
4. spongy air purifying filter mesh according to claim 1, it is characterised in that: the percent opening of described skeleton carrier is 5-50ppi.
5. spongy air purifying filter mesh according to claim 1, it is characterised in that: the material of described air purifying particles is the absorbent charcoal material of adsorption cleaning, photocatalyst catalyst titanic oxide material or low temperature catalyst manganese bioxide material.
6. spongy air purifying filter mesh according to claim 1, it is characterised in that: the particle diameter of described air purifying particles is 20-120 order.
7. the preparation method of the spongy air purifying filter mesh as described in claim 1~6 any claim, it is characterized in that: the step of described preparation method is as follows: by impregnation, extruding and blowing step by adhesive bond to the duct of skeleton carrier, when binding agent is not dry, air purifying particles is placed in the surface of skeleton carrier, air purifying particles is made to enter in the duct of skeleton carrier and be bonded on the binding agent being positioned at duct equably, again through drying steps, binding agent is become dry to form adhesive layer, obtain spongy air purifying filter mesh.
8. the preparation method of spongy air purifying filter mesh according to claim 7, it is characterized in that: the step of described preparation method is as follows: the skeleton carrier with multiple ducts is totally submerged in binding agent, the duct in skeleton carrier is made to be stained with binding agent completely, the binding agent that skeleton carrier is internal unnecessary is extruded by pressing steps, binding agent unnecessary in skeleton carrier is removed, it is prevented that binding agent blocking duct within skeleton carrier in conjunction with blowing step;Adopt drum process that scavenging material powder preparation is become granular air purifying particles, both conveniently it had been bonded in the duct within skeleton carrier, the duct of skeleton carrier will not be blocked again, when reaching the 60-90% of binding agent open hour, air purifying particles is spread to equably the surface of skeleton carrier, makes air purifying particles enter in the duct of skeleton carrier and be bonded in duct;Finally by drying steps so that air purifying particles is adhesively fixed in the duct of skeleton carrier, obtain spongy air purifying filter mesh.
9. the preparation method of spongy air purifying filter mesh according to claim 7, it is characterised in that: described drying steps refers to and dries under cryogenic, and baking temperature is 30-80 DEG C.
10. the preparation method of spongy air purifying filter mesh according to claim 7, it is characterised in that: in described spongy air purifying filter mesh, the ratio of the volume of described skeleton carrier and the volume of air purifying particles is 1:0.2~1:0.9.
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