CN109126446A - Using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air - Google Patents

Using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Download PDF

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Publication number
CN109126446A
CN109126446A CN201811061551.3A CN201811061551A CN109126446A CN 109126446 A CN109126446 A CN 109126446A CN 201811061551 A CN201811061551 A CN 201811061551A CN 109126446 A CN109126446 A CN 109126446A
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China
Prior art keywords
paper
core
honeycomb
molecular sieve
air
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CN201811061551.3A
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Chinese (zh)
Inventor
刘自力
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Guangdong Georgia Environmental Mstar Technology Ltd
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Guangdong Georgia Environmental Mstar Technology Ltd
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Priority to CN201811061551.3A priority Critical patent/CN109126446A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B01D53/8687—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/32—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0464—Impregnants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/106—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese

Abstract

The invention discloses using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air, including the following steps: honeycomb core is made in porous paper；After dip-coating water paint, spontaneous curing obtains reinforcing honeycomb core；Dip-coating molecular sieve slurry, spontaneous curing obtain the honeycomb core coated with molecular sieve layer；After impregnation catalyst agent presoma, in-situ precipitate or in-situ reducing form catalyst structure on molecular sieve layer surface to get honeycomb cleaning filtration screen of air.The present invention is using paper as substrate, it is built by assembling using paper as core, molecular sieve carried catalyst layer is the core-shell structure honeycomb cleaning filtration screen of air of shell, can be used for air purification field, good air purification effect, especially except the purification efficiency of the organic volatiles such as formaldehyde is high.

Description

Using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air
Technical field
The present invention relates to air catalytic purification techniques fields, in particular to empty by framework construction core-shell structure honeycomb of paper The method of gas filtering screen.
Background technique
Cellular material is the common materials in modern industry, is obtained in modern industry with the advantages of efficient and simple to install To extensive use.Honeycomb padding in such as ceramic honeycomb of motor-driven vehicle gas disposal, wastewater treatment, because of material and preparation The factors such as complex process, manufacturing cost be not naturally low.In addition, though the tactic pattern multiplicity of honeycomb padding, but main material Matter is metal and ceramics, and cost is not naturally low；The reactor mild for operating condition, the sky such as run at normal temperatures and pressures Gas purifier or fresh air system select metal honeycomb material or ceramic honeycomb material, all manufacturing cost can be caused higher.Usually will Catalyst particles are fitted into inert grid, are assembled into filter screen, and pressure when such filling is easy to cause air to flow Drop is too big, to influence air exchange amount, causes energy consumption when operation higher, Honeycombed filtering sieve is more satisfactory component.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, one kind is provided using paper as framework construction nucleocapsid knot The method of structure honeycomb cleaning filtration screen of air is built by assembling using paper as core using paper as substrate, molecular sieve carried to urge Agent layer is the core-shell structure honeycomb cleaning filtration screen of air of shell, can be used for air purification field, and good air purification effect is special It is not except the purification efficiency of the organic volatiles such as formaldehyde is high.
The technical scheme adopted by the invention to achieve the purpose is as follows:
Using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air, including the following steps: will be porous Honeycomb core is made in paper；After dip-coating water paint, spontaneous curing obtains reinforcing honeycomb core；Dip-coating molecule screening the pulp Material, spontaneous curing obtain the honeycomb core coated with molecular sieve layer；After impregnation catalyst agent presoma, in-situ precipitate or original Position reduction molecular sieve layer surface formed catalyst structure, obtain can remove volatile organic matter using paper as framework construction nucleocapsid Honeycomb shape cleaning filtration screen of air.
Preferably, the porous paper be punched on paper and the aperture that is formed be 1-2 millimeters, hole density 40- The paper of 180/square metre.The higher paper of paper selection intensity, aperture are to promote air shape in honeycomb core It is flowed at asthma, increases residence time of the air in filter screen, while also preferably hanging on paper wall for subsequent molecular sieve slurry It creates conditions.Paper is the higher paper of intensity, the stronger paper of lear energy, wherein it is preferred that brown paper.
Preferably, the honeycomb core is made using any one following mode:
First way is: the paper tube that aperture is 1-8 millimeters, then orderly accumulation first is made in porous paper, blend compounds are viscous Agent is bonded into honeycomb core；
The second way is: porous paper being first crushed to corrugated paper, ripple height is at 2-8 millimeters, not with two The folder of extruding lives corrugated paper, and under the bonding of adhesive, bonding is built into corrugated plating, and corrugated plating is superimposed bonding into honeycomb again Then official form for filing a lawsuit core cuts into the honeycomb core of required size；
The third mode is: first on porous paper, by 1-8 millimeters of paper that laying thickness is 3-8 millimeters in an orderly manner of spacing Item after bonding, then another porous paper of laying, after bonding, is built into porous plate, then be superimposed as honeycomb core.
Preferably, the water paint be comprising organosilicon acrylic resin, curing agent, filler bi-component waterborne coating, room temperature Solidification, filler select one of inorganic particle diatomite, kaolin, titanium dioxide, glass powder, SILICA FUME or a variety of, reinforce it Structural strength.Untreated honeycomb core does not have enough mechanical strengths, and poor water resistance, it is difficult to bear subsequent painting The processes such as cloth molecular sieve and supported catalyst, so having to reinforce.By the way of dip-coating water paint, coated on paper Macromolecule paint film reinforces honeycomb skeleton structure.
Preferably, which is characterized in that the molecular sieve slurry includes silica solution and zeolite molecular sieve, 13X molecular sieve, Y One of molecular sieve, ZSM-5 molecular sieve, 5A molecular sieve a variety of mix.Though honeycomb core can be greatly reduced Pressure drop when air flows, but bigger serface and microcellular structure can not be provided, so need to coat on its surface has special hole The zeolite molecular sieve of structure.Zeolite molecular sieve is a kind of silicon aluminate crystal with regular microcellular structure, with it is uniform, Crystallization channel system and biggish specific surface area regular, with specific space trend.Have in the geode of molecular sieve powerful Coulombian field play polarization, these characteristics make it the catalyst haveing excellent performance or catalyst carrier.Pass through adhesive Effect, the molecular sieves such as 13X molecular sieve, Y molecular sieve, ZSM-5 molecular sieve, 5A molecular sieve are guided to the surface of honeycomb core, It creates conditions for the load of subsequent catalyst.
Preferably, the catalyst precursor is one or more of in permanganate, chloroplatinic acid or gold chloride.
Preferably, the in-situ precipitate comprises the following processes: the honeycomb of molecular sieve has been covered using permanganate dipping Official form for filing a lawsuit core, adds manganous salt solution, and reaction in-situ generates the surface that activated manganese dioxide precipitating is attached to molecular sieve.
Preferably, the in-situ reducing comprises the following processes: having been covered using chloroplatinic acid or aqueous solution of chloraurate dipping The honeycomb core of molecular sieve is added to maceration extract using one or more in sodium borohydride or potassium borohydride or hydrazine reductant In, reducing agent reacts generation Platinum Nanoparticles with chloroplatinic acid root or gold chloride root or nanogold is attached to molecular sieve surface.
There are many type of indoor air pollutants, but common, and difficult to degrade is the volatile organic matters such as formaldehyde.Frequently with The method of absorption removes formaldehydes organic pollutant, but adsorbs easily saturation, such as replaces not in time, will become new pollution Source, so the method for catalysis oxidation removal is irreplaceable method.Largely studies have shown that manganese dioxide is suitably to be catalyzed Agent, noble metal platinum, gold also have good catalytic activity, and the cost of certain noble metal catalyst is too high.By in-situ precipitate or In-situ reducing introduces catalyst activity component, is supported on molecular sieve surface.
Preferably, the core-shell structure honeycomb cleaning filtration screen of air can be applied to air purifier or fresh air system In.
The honeycomb above-mentioned being prepared using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Shape cleaning filtration screen of air.
Compared with prior art, the present invention is built by assembling using paper as core using paper as substrate, molecular sieve carried to urge Agent layer is the core-shell structure honeycomb cleaning filtration screen of air of shell, can be used for air purification field.Good air purification effect, it is special It is not except the purification efficiency of the organic volatiles such as formaldehyde is high.
Using the method for fabricated in situ, the molecular sieve layer on honeycomb-like paper surface generates catalyst.Molecular sieve will be had been coated with Honeycomb paper core, be immersed in the solution of permanganate, such as potassium permanganate, permanganate is potassium permanganate, high manganese ion It will be adsorbed in the hole of molecular sieve, add manganous salt, it is anti-redox will to occur for the preferred manganese acetate of manganous salt It answers, generates manganese dioxide precipitate, filtered, dry, having obtained shell has manganese dioxide/molecular sieve catalytic oxidant layer, and kernel is paper Core-shell structure honeycomb core material.Platinum catalyst or Au catalyst are such as used, then is catalysis with corresponding chloroplatinic acid or gold chloride The presoma of agent is restored using the reducing agents such as sodium borohydride or potassium borohydride or hydrazine, generates Platinum Nanoparticles or nanogold is heavy It forms sediment, dry using filter, having obtained shell has platinum/molecular sieve or gold/molecular sieve catalytic oxidant layer, and kernel is the core-shell structure of paper Honeycomb core material.The higher paper of selection intensity, punching, is made porous paper, then honeycomb core is made, aqueous by dip-coating Coating reinforces honeycomb skeleton structure, then dip-coating molecular sieve slurry, after spontaneous curing, obtains the honeycomb paper of coating molecular sieve layer Core, then impregnation catalyst agent presoma generate catalyst in the molecular sieve layer of honeycomb paper, obtain through in-situ precipitate or in-situ reducing To the core-shell structure honeycomb cleaning filtration screen of air with volatile organic matters functions such as removal formaldehyde.
Compared with prior art, the core-shell structure honeycomb cleaning filtration screen of air of the invention prepared with paper, the material The features such as material has manufacturing cost low, performance efficiency, can be widely used in air purifier and fresh air system.Its core-shell structure bee Nest core material provides a kind of novel filter screen for high-efficient purification air, selects the paper with some strength, and punching is made porous Paper, then honeycomb skeleton structure is made.With water paint dip-coating honeycomb core, honeycomb skeleton is reinforced by macromolecule paint film Structure, then the molecular sieve slurry that dip-coating is prepared by colloidal sol construct the molecule with abundant microcellular structure in the outer layer of honeycomb paper The catalyst with catalysis oxidation formaldehyde such as coating, then load manganese dioxide, Platinum Nanoparticles or nanogold in situ are sieved, have been made in room The core-shell structure honeycomb cleaning filtration screen of air of the lower energy high-efficient purification air of temperature.After tested, 1 a length of 300 millimeters, width be 200 millimeters, thickness be 50 millimeters should the core-shell structure honeycomb cleaning filtration screen of air that be prepared with paper, can be in 180 minutes By 1 cubic metre of 6.38mg/m containing formaldehyde3Pollution air-treatment it is clean, make Degradation Formaldehyde to 0.08mg/m3Below.
Above-mentioned is the general introduction of inventive technique scheme, below in conjunction with attached drawing and specific embodiment, is done further to the present invention Explanation.
Detailed description of the invention
Fig. 1 is the method schematic diagram of the present embodiment.
Specific embodiment:
In order to which the purpose of the present invention and technical solution and advantage is more clearly understood, make with reference to embodiments specifically It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1:
In the method for the core-shell structure honeycomb cleaning filtration screen of air of paper preparation in the present embodiment: selection intensity is higher Brown paper, punched with punch, 2 millimeters of aperture, hole density be 80/square metre, porous paper is made, rolling into aperture is Then paper tube is superimposed by 5 millimeters of paper tube in an orderly manner, and connect into a height of 200 millimeters of square by adhesive, waits bonding jail After Gu, a length of 300 millimeters are cut into, width is 200 millimeters, the honeycomb core that thickness is 50 millimeters.Weigh 3000 grams of organosilicon acrylic resins Material is mixed evenly by water paint, 540 grams of curing agent, 600 grams of titanium dioxides under the action of high speed agitator, will be above-mentioned Honeycomb core immerses in the material, takes out after ten minutes, is filtered dry, and is sent into 105 DEG C of baking oven and dries, obtains high-intensitive honeycomb Official form for filing a lawsuit core.Weigh 3000 grams of the silica solution of solid content 30%, 900 grams of 13X molecular sieve powders of addition are obtained by high-speed stirred Then molecular sieve slurry immerses the high-intensitive honeycomb core prepared in the molecular sieve slurry 30 minutes, take out, be filtered dry Afterwards, and molecular sieve slurry is immersed, takes out, is filtered dry, 3 times repeatedly, obtains the honeycomb core of zeolite modified.Weigh Gao Meng 8.5 grams of sour potassium solid is dissolved in 4000 grams of water, and the honeycomb core of zeolite modified is then immersed liquor potassic permanganate 6 Hour, and under the driving of acid-proof pump, so that liquid is in flow regime.20 grams of manganese acetate solids are weighed, 4000 grams of water are dissolved in In, then under constant stirring, it is added drop-wise to above-mentioned liquor potassic permanganate, completion in 1 hour is added dropwise, and taking-up is filtered dry, in 105 DEG C of baking 60 minutes are dried in case to get required core-shell structure honeycomb cleaning filtration screen of air is arrived.
The performance test of honeycomb air cleaning core material: it is carried out in 1 cubic metre of secret room equipped with fan, in temperature It is 25-27 DEG C, humidity is to inject formaldehyde under 51-52%, and formaldehyde maximum concentration is 6.38mg/m3, after operation 164 minutes, secret room In concentration of formaldehyde drop to 0.06mg/m3。
Embodiment 2:
In the method for the core-shell structure honeycomb cleaning filtration screen of air of paper preparation in the present embodiment: selection intensity is higher Brown paper, punched with punch, 1 millimeter of aperture, hole density be 100/square metre, porous paper is made, pass through squeeze, system Corrugated paper, a height of 5 millimeters of the corrugated paper of ripple, then the brown paper punched with 2 clamp corrugated paper, are bonded using adhesive Porous plate is built up, porous plate is superimposed in an orderly manner, and is stained with adhesive, is bonded into honeycomb-like paper block, and a length of 300 milli is then cut into Rice, width are 200 millimeters, the honeycomb core that thickness is 50 millimeters.Weigh 3000 grams of organosilicon acrylic resin water paints, 540 grams of curing agent, Material is mixed evenly by 600 grams of diatomite under the action of high speed agitator.Above-mentioned honeycomb core is immersed into the material In, it takes out, is filtered dry after ten minutes, be sent into 105 DEG C of baking oven and dry, obtain high-intensitive honeycomb core.Weigh solid content 900 grams of Y type molecular sieve powders are added in 3000 grams of 30% silica solution, by high-speed stirred, obtain molecular sieve slurry, then will The high-intensitive honeycomb core prepared immerses in the molecular sieve slurry 30 minutes, takes out, and after being filtered dry, and immerses molecule screening the pulp Material takes out, is filtered dry, 3 times repeatedly, obtains the honeycomb core of zeolite modified.Weigh 8.5 grams of potassium permanganate solid, it is molten Then solution immerses the honeycomb core of zeolite modified liquor potassic permanganate 6 hours in 4000 grams of water, and in acid-proof pump Under driving, liquid is made to be in flow regime.20 grams of manganese acetate solids are weighed, is dissolved in 4000 grams of water, is then being stirred continuously Under, it is added drop-wise to above-mentioned liquor potassic permanganate, completion in 1 hour is added dropwise, and taking-up is filtered dry, and it is 60 minutes dry in 105 DEG C of baking oven, i.e., Obtain required core-shell structure honeycomb cleaning filtration screen of air.
The performance test of honeycomb air cleaning core material: it is carried out in 1 cubic metre of secret room equipped with fan, in temperature It is 25-27 DEG C, humidity is to inject formaldehyde under 51-52%, and formaldehyde maximum concentration is 6.71mg/m3, after operation 175 minutes, secret room In concentration of formaldehyde drop to 0.08mg/m3。
Embodiment 3:
In the method for the core-shell structure honeycomb cleaning filtration screen of air of paper preparation in the present embodiment: selection intensity is higher Brown paper, punched with punch, 2 millimeters of aperture, hole density be 80/square metre, porous paper is made, is laid in horizontal plane On, by 5 millimeters of spacing, laying thickness is 5 millimeters of paper slip in an orderly manner, and is bonded on porous cardboard, after being bonded securely, in paper Spraying adhesive on item, then another Zhang Duokong brown paper of laying, are built into porous plate, porous plate is superimposed as honeycomb-like paper block, so After be cut into a length of 300 millimeters, width is 200 millimeters, the honeycomb core that thickness is 50 millimeters.It is aqueous to weigh 3000 grams of organosilicon acrylic resins Material is mixed evenly by coating, 540 grams of curing agent, 600 grams of glass powders under the action of high speed agitator.By above-mentioned honeycomb Official form for filing a lawsuit core immerses in the material, takes out after ten minutes, is filtered dry, and is sent into 105 DEG C of baking oven and dries, obtains high-intensitive honeycomb-like paper Core.3000 grams of silica solution of solid content 30% are weighed, 900 grams of 5A molecular sieve powders are added by high-speed stirred and obtain molecular sieve Then slurry immerses the high-intensitive honeycomb core prepared in the molecular sieve slurry 30 minutes, take out, and after being filtered dry, and soaks Enter molecular sieve slurry, takes out, be filtered dry, 3 times repeatedly, obtain the honeycomb core of zeolite modified.Weigh 0.6 gram of six hydration Chloroplatinic acid solid is dissolved in 3000 milliliters of deionized water, and 6 milliliters of acetic acid are added dropwise, and stirring is spare.Weigh 2.4 grams of boron hydrogen Change sodium to be dissolved in 600 milliliters of deionized water, it is spare.The honeycomb core of above-mentioned zeolite modified is taken to put into the chloroplatinic acid molten Liquid, and under the driving of acid-proof pump, so that liquid is in flow regime, after impregnating 5 hours, it is molten that the sodium borohydride prepared is added dropwise Liquid is completed to be added dropwise in 45 minutes, and continues stirring 30 minutes, stands after sixty minutes, takes out, drying is at 105 DEG C to get arriving Required core-shell structure honeycomb cleaning filtration screen of air.
The performance test of honeycomb air cleaning core material: being fitted into air filtration screen frame, is placed on 1 cube equipped with fan It is 25-26 DEG C in temperature in rice secret room, humidity is to inject formaldehyde under 51-52%, carries out the performance test of formaldehyde, injects first After aldehyde, the formaldehyde maximum concentration in seal box is 5.61mg/m3, after 146 minutes, backroom concentration of formaldehyde drops to 0.08mg/ m3。
Embodiment 4:
In the method for the core-shell structure honeycomb cleaning filtration screen of air of paper preparation in the present embodiment: selection intensity is higher Brown paper, punched with punch, 1 millimeter of aperture, hole density be 120/square metre, porous paper is made, rolls into aperture For 4 millimeters of hollow paper tube, then hollow paper tube is superimposed in an orderly manner, and a height of 200 millimeters of side is connected by adhesive Block after the completion of waiting solidifications, is cut into a length of 300 millimeters, width is 200 millimeters, the honeycomb core that thickness is 50 millimeters.Weigh 3000 Gram organosilicon acrylic resin water paint, 540 grams of curing agent, 600 grams of kaolin mix material equal under the action of high speed agitator It is even.Above-mentioned honeycomb core is immersed in the material, takes out, is filtered dry after ten minutes, is sent into 105 DEG C of baking oven and dries, obtain To high-intensitive honeycomb core.3000 grams of silica solution of solid content 30% are weighed, 900 grams of HZSM-5 molecular sieve powders are added, are passed through High-speed stirred is crossed, molecular sieve slurry is obtained, then immerses the high-intensitive honeycomb core prepared 30 in the molecular sieve slurry Minute, it takes out, after being filtered dry, and immerses molecular sieve slurry, take out, be filtered dry, 3 times repeatedly, obtain the honeycomb of zeolite modified Official form for filing a lawsuit core.8.5 grams of potassium permanganate solid are weighed, is dissolved in 4000 grams of water, then soaks the honeycomb core of zeolite modified Enter liquor potassic permanganate 6 hours, and under the driving of acid-proof pump, liquid is made to be in flow regime.20 grams of manganese acetate solids are weighed, It is dissolved in 4000 grams of water, then under constant stirring, is added drop-wise to above-mentioned liquor potassic permanganate, completion in 1 hour is added dropwise.Take out filter It is dry, 60 minutes are dried in 105 DEG C of baking oven to get required core-shell structure honeycomb cleaning filtration screen of air is arrived.
The performance test of honeycomb air cleaning core material: it is carried out in 1 cubic metre of secret room equipped with fan, in temperature It is 25-27 DEG C, humidity is to inject formaldehyde under 51-52%, and formaldehyde maximum concentration is 6.43mg/m3, after operation 168 minutes, secret room In concentration of formaldehyde drop to 0.07mg/m3。
Embodiment 5:
In the method for the core-shell structure honeycomb cleaning filtration screen of air of paper preparation in the present embodiment: selection intensity is higher Brown paper, punched with punch, 1 millimeter of aperture, hole density be 160/square metre, porous paper is made, is laid in level On face, by 4 millimeters of spacing, laying thickness is 4 millimeters of paper slip in an orderly manner, and is bonded on porous cardboard, after being bonded securely, Spraying adhesive on paper slip, then another Zhang Duokong brown paper of laying, are built into porous plate, and porous plate is superimposed as honeycomb-like paper block, Then a length of 300 millimeters are cut into, width is 200 millimeters, the honeycomb core that thickness is 50 millimeters.Weigh 3000 grams of organosilicon acrylic resin water Material is mixed evenly by property coating, 540 grams of curing agent, 600 grams of diatomite under the action of high speed agitator.By above-mentioned bee Nest official form for filing a lawsuit core immerses in the material, takes out, is filtered dry after ten minutes, is sent into 105 DEG C of baking oven and dries, obtains high-intensitive honeycomb Core.3000 grams of silica solution of solid content 30% are weighed, 900 grams of 13X molecular sieve powders are added and are divided by high-speed stirred Then sub- screening the pulp material immerses the high-intensitive honeycomb core prepared in the molecular sieve slurry 30 minutes, take out, after being filtered dry, Molecular sieve slurry is immersed again, is taken out, is filtered dry, 3 times repeatedly, obtains the honeycomb core of zeolite modified.Weigh permanganic acid It 8.5 grams of potassium solid, is dissolved in 4000 grams of water, it is small that the honeycomb core of zeolite modified is then immersed liquor potassic permanganate 6 When, and under the driving of acid-proof pump, so that liquid is in flow regime.20 grams of manganese acetate solids are weighed, are dissolved in 4000 grams of water, Then under constant stirring, it is added drop-wise to above-mentioned liquor potassic permanganate, completion in 1 hour is added dropwise.Taking-up is filtered dry, in 105 DEG C of baking oven Middle drying 60 minutes is to get arriving required core-shell structure honeycomb cleaning filtration screen of air.
The performance test of honeycomb air cleaning core material: it is carried out in 1 cubic metre of secret room equipped with fan, in temperature It is 25-27 DEG C, humidity is to inject formaldehyde under 51-52%, and formaldehyde maximum concentration is 6.62mg/m3, after operation 173 minutes, secret room In concentration of formaldehyde drop to 0.07mg/m3。
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention A little modifications and changes should also be as falling into the scope of the claims of the present invention.

Claims (10)

1. using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air, which is characterized in that including following step It is rapid: honeycomb core is made in porous paper；After dip-coating water paint, spontaneous curing obtains reinforcing honeycomb core；Dip-coating Molecular sieve slurry, spontaneous curing obtain the honeycomb core coated with molecular sieve layer；It is in situ after impregnation catalyst agent presoma Precipitating or in-situ reducing molecular sieve layer surface formed catalyst structure, obtain can remove volatile organic matter using paper as skeleton Construct core-shell structure honeycomb cleaning filtration screen of air.
2. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is, the porous paper be punched on paper and the aperture that is formed be 1-2 millimeters, hole density be 40-180/it is flat The paper of square rice.
3. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is that the honeycomb core is made using any one following mode:
First way is: the paper tube that aperture is 1-8 millimeters, then orderly accumulation first is made in porous paper, blend compounds stick is viscous It is connected into honeycomb core；
The second way is: porous paper being first crushed to corrugated paper, ripple height is not squeezed at 2-8 millimeters with two Folder live corrugated paper, be built into corrugated plating, then be superimposed as honeycomb core；
The third mode is: first on porous paper, by 1-8 millimeters of paper slips that laying thickness is 3-8 millimeters in an orderly manner of spacing, gluing After connecing, then another paper of laying, after bonding, it is built into porous plate, then be superimposed as honeycomb core.
4. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is, the water paint be comprising organosilicon acrylic resin, curing agent, filler bi-component waterborne coating, filler be diatomite, One of kaolin, titanium dioxide, glass powder, SILICA FUME are a variety of.
5. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is, the molecular sieve slurry include silica solution and zeolite molecular sieve, 13X molecular sieve, Y molecular sieve, ZSM-5 molecular sieve, One of 5A molecular sieve a variety of mixes.
6. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is that the catalyst precursor is one or more of in permanganate, chloroplatinic acid or gold chloride.
7. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is that the in-situ precipitate comprises the following processes: the honeycomb core of molecular sieve has been covered using permanganate dipping, then Manganous salt solution is added, reaction in-situ generates the surface that activated manganese dioxide precipitating is attached to molecular sieve.
8. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is that the in-situ reducing comprises the following processes: having covered molecular sieve using chloroplatinic acid or aqueous solution of chloraurate dipping Honeycomb core is added in maceration extract, reducing agent using one or more in sodium borohydride or potassium borohydride or hydrazine reductant Generation Platinum Nanoparticles are reacted with chloroplatinic acid root or gold chloride root or nanogold is attached to molecular sieve surface.
9. special as described in claim 1 using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Sign is that the core-shell structure honeycomb cleaning filtration screen of air can be applied in air purifier or fresh air system.
10. as described in claim 1-9 is any using paper as the side of framework construction core-shell structure honeycomb cleaning filtration screen of air Honeycomb cleaning filtration screen of air obtained by method preparation.
CN201811061551.3A 2018-09-12 2018-09-12 Using paper as the method for framework construction core-shell structure honeycomb cleaning filtration screen of air Pending CN109126446A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113476958A (en) * 2021-06-22 2021-10-08 南京玻璃纤维研究设计院有限公司 Filter material and preparation method and application thereof
CN113529492A (en) * 2021-07-16 2021-10-22 东北电力大学 Preparation method of hydrophobic wallpaper base paper based on diatomite

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113476958A (en) * 2021-06-22 2021-10-08 南京玻璃纤维研究设计院有限公司 Filter material and preparation method and application thereof
CN113476958B (en) * 2021-06-22 2022-07-12 南京玻璃纤维研究设计院有限公司 Filter material and preparation method and application thereof
CN113529492A (en) * 2021-07-16 2021-10-22 东北电力大学 Preparation method of hydrophobic wallpaper base paper based on diatomite

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