CN108837815A - A kind of material and preparation method thereof with air-cleaning function - Google Patents
A kind of material and preparation method thereof with air-cleaning function Download PDFInfo
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- CN108837815A CN108837815A CN201810759562.2A CN201810759562A CN108837815A CN 108837815 A CN108837815 A CN 108837815A CN 201810759562 A CN201810759562 A CN 201810759562A CN 108837815 A CN108837815 A CN 108837815A
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
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- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The invention discloses a kind of material and preparation method thereof with air-cleaning function, is made of the raw material of following parts by weight：25-45 parts of 10-20 parts attapulgite modified, attapulgite modified formaldehyde adsorbent, 30-50 parts of anion releasing agent, 15-25 parts of diatomite, 7-15 parts of powdered active carbon, nano-TiO26-14 parts, 4-10 parts of expanded perlite, 2-5 parts of redispersible rubber powder, 15-35 parts of polyethylene glycol, 3-7 parts of cellulose ether.The material with air-cleaning function of the invention has purification efficiency height, continuing purge time length, large amount of adsorption, while enough discharging anion, further increases air purification effect, improves people's living environment.
Description
Technical field
The present invention relates to material for air purification technical fields, and in particular to a kind of material with air-cleaning function and its
Preparation method.
Background technique
The material with air-cleaning function is using powdered active carbon mostly as main absorption currently on the market
Scavenging material is assisted with compound indoor air purification particle made of various chemical cleaning method materials, although having certain sky
Gas clean-up effect, but that there is also purification efficiencies is lower, the continuing purge time is short, adsorption capacities of materials is easily saturated, cannot be repeatedly anti-
The defect utilized again.
In view of the above-mentioned problems, being retrieved to the prior art, in Chinese invention patent application 201210358131.8（It is public
Open on January 2013 day 9）A kind of preparation method of Composite diatomite air purification material is disclosed, which uses silicon
The materials mixed calcining such as diatomaceous earth, Tourmaline, fluxing agent, pore creating material forms, used in diatomite also without modification,
Because prepared by scavenging material equally exist purification efficiency it is not high enough, cannot it is long-lasting it is efficient purification air defect.
And in Chinese invention patent application 201110031086.0（Publication date on June 22nd, 2011）A kind of oxidized form air
Scavenging material and preparation method thereof, this method is using using inorganic oxidizer soaking diatomite, the method then dried,
In the diatomite that is not used only be not modified processing, there is the shortcomings that adsorption cleaning low efficiency, absorption is easily saturated, and make
With the method for inorganic oxidizer oxidation harmful substance, there is also that may have secondary pollution, oxidation efficiency is low, the clean-up effect time
It is short, it many defects such as cannot reuse.
Based on this, it is necessary to provide a kind of material and preparation method thereof with air-cleaning function, can be effectively reduced
Harmful substance in room air, improves indoor air quality, and there is the material of air-cleaning function not only to have suction for interior
It is attached, decompose, the powerful purification function such as release, while also having that high efficiency, dosage are few, the duration is permanent effectively, absorption is total
Amount is big, can Reusability the features such as, in addition, anion can be discharged, further increase air purification effect, improve people and live
Environment.
Summary of the invention
In view of the above-mentioned analysis to the prior art, the present invention provides a kind of material with air-cleaning function and its preparation
Method, this has the advantages that the material of air-cleaning function has purification efficiency height, continuing purge time length, large amount of adsorption, together
When enough discharge anion, further increase air purification effect, improve people's living environment.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of material with air-cleaning function, is made of the raw material of following parts by weight：10-20 parts attapulgite modified,
Attapulgite modified formaldehyde adsorbent 25-45 parts, 30-50 parts of anion releasing agent, 15-25 parts of diatomite, powdered active carbon
7-15 parts, nano-TiO26-14 parts, 4-10 parts of expanded perlite, 2-5 parts of redispersible rubber powder, 15-35 parts of polyethylene glycol,
3-7 parts of cellulose ether.
Further, it is made of the raw material of following parts by weight：Attapulgite modified 15 parts, the suction of attapulgite modified formaldehyde
Attached dose 35 parts, 40 parts of anion releasing agent, 20 parts of diatomite, 11 parts of powdered active carbon, nano-TiO210 parts, expanded pearlite
7 parts of rock, 3.5 parts of redispersible rubber powder, 25 parts of polyethylene glycol, 5.5 parts of cellulose ether.
Further, the attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 4-6mol/L, reaction 30-40min, mistake is sufficiently stirred
Filter, is sufficiently washed to neutrality with deionized water, obtains the first processed material；
（2）First processed material is added in the sodium hydroxide solution of 3.5-5.5mol/L, reaction 50- is sufficiently stirred
60min, filtering, is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 400-500 DEG C is then heated to, calcines 40- at such a temperature
50min then is cooled to room temperature, and attapulgite after the calcining is fully ground, and crosses 200-300 mesh, is obtained described
It is attapulgite modified.
Further, the preparation method of the attapulgite formaldehyde adsorbent is：It is 20- that diatomite, which is immersed in concentration,
In 40% phosphoric acid solution, it is placed into microwave generator, under the microwave power effect of 100-300W, 100-200r/min's
It after being stirred 1-2 hours under speed, filters, wash, dried to get attapulgite formaldehyde adsorbent immediately.
Further, it is 1 that the anion releasing agent, which includes weight ratio,：1：1 iron dravite powder, boracite powder and
Al2O3-B2O3-SiO2The mixture of compound body powder.
Further, the fineness of the diatomite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 30-40h in ball mill and prepare slurry；It is added in ball mill when ball milling poly-
Ethylene glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 30-40h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
Further, the step（4）The vacuum degree of middle vacuum pugging is 0.03-0.06Mpa.
Further, the step（5）Middle extrusion pressure is 3-5 tons.
Further, the step（7）The condition of middle calcining：Calcination temperature is 550-650 DEG C, calcination time 15-
20h。
Compared with prior art, the present invention having following beneficial effect：
（1）The present invention increases the specific surface area of attapulgite, the micropore quantity of micro scale and most by attapulgite modified
Can several radiuses, also make the aperture increases of attapulgite micropore, so that attapulgite be made to greatly increase the purification efficiency of air, make
The material with air-cleaning function obtained also has higher purification efficiency, longer continuation clean-up effect and bigger absorption
Amount, and by being compounded with anion releasing agent, it can decompose the nocuousness such as indoor formaldehyde, benzene, ammonia rapidly in a short time
Ingredient, and a large amount of anion is discharged, conducive to the physical and mental health of human body, enable environment-friendly materials that there is preferable healthcare function.
（2）Attapulgite modified formaldehyde adsorbent of the invention have surface area it is big, have stronger adsorption capacity and
Ion-exchange capacity can effectively adsorb formaldehyde in air, achieve the purpose that except formaldehyde.
（3）The preparation method of material with air-cleaning function of the invention is simple, it is easy to accomplish, and it is at low cost, it fits
In industrialized production.
Specific embodiment
Form by the following examples is described in further detail above content of the invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all technologies based on realization belonging to above content of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
The material with air-cleaning function of the present embodiment, is made of the raw material of following parts by weight：Attapulgite modified 10
Part, 25 parts of attapulgite modified formaldehyde adsorbent, 30 parts of anion releasing agent, 15 parts of attapulgite, 7 parts of powdered active carbon,
Nano-TiO26 parts, 4 parts of expanded perlite, 2 parts of redispersible rubber powder, 1.5 parts of butanediol, 3 parts of cellulose ether.
The attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 4mol/L, reaction 30min is sufficiently stirred, filters, uses
Deionized water is sufficiently washed to neutrality, and the first processed material is obtained；
（2）First processed material is added in the sodium hydroxide solution of 3.5mol/L, reaction 50min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 400 DEG C are then heated to, calcines 40min at such a temperature, then
It is cooled to room temperature, and attapulgite after the calcining is fully ground, and cross 200-300 mesh, obtain the modified attapulgite
Soil.
The preparation method of the attapulgite formaldehyde adsorbent is：It is molten that diatomite is immersed in the phosphoric acid that concentration is 20-40%
It in liquid, is placed into microwave generator, under the microwave power effect of 100W, after being stirred 1 hour under the speed of 100r/min, stands
It filters, wash, dry to get attapulgite formaldehyde adsorbent.
The anion releasing agent includes that weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-
SiO2Mixture.
The fineness of the attapulgite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 30h in ball mill and prepare slurry；Poly- second is added when ball milling in ball mill
Glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 30h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
The step（4）The vacuum degree of middle vacuum pugging is 0.03Mpa.
The step（5）Middle extrusion pressure is 3 tons.
The step（7）The condition of middle calcining：Calcination temperature is 550 DEG C, calcination time 15h.
Embodiment 2
The material with air-cleaning function of the present embodiment, the raw material composition including following parts by weight：It is attapulgite modified
20 parts, 45 parts of attapulgite modified formaldehyde adsorbent, 50 parts of anion releasing agent, 25 parts of attapulgite, powdered active carbon 15
Part, nano-TiO214 parts, 10 parts of expanded perlite, 5 parts of redispersible rubber powder, 35 parts of butanediol, 7 parts of cellulose ether.
The attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 6mol/L, reaction 40min is sufficiently stirred, filters, uses
Deionized water is sufficiently washed to neutrality, and the first processed material is obtained；
（2）First processed material is added in the sodium hydroxide solution of 5.5mol/L, reaction 60min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 500 DEG C are then heated to, calcines 50min at such a temperature, then
It is cooled to room temperature, and attapulgite after the calcining is fully ground, and cross 200-300 mesh, obtain the modified attapulgite
Soil.
The preparation method of the attapulgite formaldehyde adsorbent is：It is molten that diatomite is immersed in the phosphoric acid that concentration is 20-40%
It in liquid, is placed into microwave generator, under the microwave power effect of 300W, after being stirred 2 hours under the speed of 200r/min, stands
It filters, wash, dry to get attapulgite formaldehyde adsorbent.
The anion releasing agent includes that weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-
SiO2Mixture.
The fineness of the attapulgite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 40h in ball mill and prepare slurry；Poly- second is added when ball milling in ball mill
Glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 40h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
The step（4）The vacuum degree of middle vacuum pugging is 0.06Mpa.
The step（5）Middle extrusion pressure is 5 tons.
The step（7）The condition of middle calcining：Calcination temperature is 650 DEG C, calcination time 20h.
Embodiment 3
The material with air-cleaning function of the present embodiment, the raw material composition including following parts by weight：It is attapulgite modified
15 parts, 35 parts of attapulgite modified formaldehyde adsorbent, 40 parts of anion releasing agent, 20 parts of attapulgite, powdered active carbon 11
Part, nano-TiO210 parts, 7 parts of expanded perlite, 3.5 parts of redispersible rubber powder, 25 parts of butanediol, 5.5 parts of cellulose ether.
The attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 5mol/L, reaction 35min is sufficiently stirred, filters, uses
Deionized water is sufficiently washed to neutrality, and the first processed material is obtained；
（2）First processed material is added in the sodium hydroxide solution of 4.5mol/L, reaction 55min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 450 DEG C are then heated to, calcines 45min at such a temperature, then
It is cooled to room temperature, and attapulgite after the calcining is fully ground, and cross 200-300 mesh, obtain the modified attapulgite
Soil.
The preparation method of the attapulgite formaldehyde adsorbent is：It is molten that diatomite is immersed in the phosphoric acid that concentration is 20-40%
In liquid, it is placed into microwave generator, under the microwave power effect of 200W, after being stirred 1.5 hours under the speed of 150r/min,
It filters, wash, dried to get attapulgite formaldehyde adsorbent immediately.
The anion releasing agent includes that weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-
SiO2Mixture.
The fineness of the attapulgite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 35h in ball mill and prepare slurry；Poly- second is added when ball milling in ball mill
Glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 35h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
The step（4）The vacuum degree of middle vacuum pugging is 0.45Mpa.
The step（5）Middle extrusion pressure is 4 tons.
The step（7）The condition of middle calcining：Calcination temperature is 600 DEG C, calcination time 17h.
Embodiment 4
The material with air-cleaning function of the present embodiment, the raw material composition including following parts by weight：It is attapulgite modified
12 parts, 30 parts of attapulgite modified formaldehyde adsorbent, 35 parts of anion releasing agent, 22 parts of attapulgite, powdered active carbon 12
Part, nano-TiO28 parts, 8 parts of expanded perlite, 4 parts of redispersible rubber powder, 20 parts of butanediol, 6 parts of cellulose ether.
The attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 4.5mol/L, reaction 40min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains the first processed material；
（2）First processed material is added in the sodium hydroxide solution of 4.5mol/L, reaction 58min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 480 DEG C are then heated to, calcines 42min at such a temperature, then
It is cooled to room temperature, and attapulgite after the calcining is fully ground, and cross 200-300 mesh, obtain the modified attapulgite
Soil.
The preparation method of the attapulgite formaldehyde adsorbent is：It is molten that diatomite is immersed in the phosphoric acid that concentration is 20-40%
In liquid, it is placed into microwave generator, under the microwave power effect of 150W, after being stirred 1.3 hours under the speed of 130r/min,
It filters, wash, dried to get attapulgite formaldehyde adsorbent immediately.
The anion releasing agent includes that weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-
SiO2Mixture.
The fineness of the attapulgite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 32h in ball mill and prepare slurry；Poly- second is added when ball milling in ball mill
Glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 33h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
The step（4）The vacuum degree of middle vacuum pugging is 0.04Mpa.
The step（5）Middle extrusion pressure is 3.5 tons.
The step（7）The condition of middle calcining：Calcination temperature is 580 DEG C, calcination time 16h.
Embodiment 5
The material with air-cleaning function of the present embodiment, the raw material composition including following parts by weight：It is attapulgite modified
18 parts, 40 parts of attapulgite modified formaldehyde adsorbent, 45 parts of anion releasing agent, 18 parts of attapulgite, powdered active carbon 9
Part, 8 parts of nano TiO 2,8 parts of expanded perlite, 3 parts of redispersible rubber powder, 30 parts of butanediol, 6 parts of cellulose ether.
The attapulgite modified preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 4mol/L, reaction 30min is sufficiently stirred, filters, uses
Deionized water is sufficiently washed to neutrality, and the first processed material is obtained；
（2）First processed material is added in the sodium hydroxide solution of 5.5mol/L, reaction 60min is sufficiently stirred, filters,
It is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 400 DEG C are then heated to, calcines 45min at such a temperature, then
It is cooled to room temperature, and attapulgite after the calcining is fully ground, and cross 200-300 mesh, obtain the modified attapulgite
Soil.
The preparation method of the attapulgite formaldehyde adsorbent is：It is molten that diatomite is immersed in the phosphoric acid that concentration is 20-40%
In liquid, it is placed into microwave generator, under the microwave power effect of 250W, after being stirred 1.8 hours under the speed of 180r/min,
It filters, wash, dried to get attapulgite formaldehyde adsorbent immediately.
The anion releasing agent includes that weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-
SiO2Mixture.
The fineness of the attapulgite is 200-300 mesh.
The present invention also provides the preparation methods of the above-mentioned material with air-cleaning function, include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 38h in ball mill and prepare slurry；Poly- second is added when ball milling in ball mill
Glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 38h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
The step（4）The vacuum degree of middle vacuum pugging is 0.05Mpa.
The step（5）Middle extrusion pressure is 4.5 tons.
The step（7）The condition of middle calcining：Calcination temperature is 630 DEG C, calcination time 19h.
Comparative example 1
Except the attapulgite modified common concave-convex stick soil that changes into is outer, material content and step and embodiment 3 are unanimously.
Comparative example 2
In addition to anion releasing agent, material content and step and embodiment 3 are unanimously.
Comparative example 3
In addition to without attapulgite modified formaldehyde adsorbent, material content and step and embodiment 3 are unanimously.
Experimental example 1
The purifying property detection data of 1-5 of the embodiment of the present invention and comparative example 1-3 product is as shown in table 1.
The purifying property detection data of 1 embodiment 1-5 of table and comparative example 1-3 product
| Sample | Purifying formaldehyde rate % | Ammonia purifying rate % | Benzene purifying rate % | TVOC purifying rate % |
| Embodiment 1 | 85.5 | 82.4 | 83.1 | 85.6 |
| Embodiment 2 | 87.6 | 82.5 | 83.5 | 86.3 |
| Embodiment 3 | 90.6 | 94.3 | 97.2 | 98.1 |
| Embodiment 4 | 89.3 | 89.8 | 92.3 | 94.1 |
| Embodiment 5 | 89.6 | 88.4 | 90.2 | 93.5 |
| Comparative example 1 | 61.2 | 59.5 | 52.2 | 49.2 |
| Comparative example 2 | 65.8 | 63.1 | 68.2 | 65.4 |
| Comparative example 3 | 74.8 | 73.1 | 68.2 | 67.5 |
Experimental example 2
The negative ion concentration of 1-5 of the embodiment of the present invention and comparative example 1-3 product are determined.Work chamber volume：0.1m3,
Temperature (19-22) DEG C, humidity (45-60) %RH.It will test sample 100mg to be uniformly placed in storehouse, be detected after stablizing, examined
Survey wind speed is 0.3m/s.The results are shown in Table 2.
Table 2
| Test item | The negative aeroion amount of inducing, a/s, cm2 |
| Embodiment 1 | 2950 |
| Embodiment 2 | 3100 |
| Embodiment 3 | 3000 |
| Embodiment 4 | 3250 |
| Embodiment 5 | 3200 |
| Comparative example 1 | 2200 |
| Comparative example 2 | 1100 |
| Comparative example 3 | 2456 |
It is made from can be seen that the present invention in table 1-2 under the interaction of each raw material and under the collective effect of preparation process
The material with air-cleaning function, not only PARA FORMALDEHYDE PRILLS(91,95), ammonia, benzene, TVOC have fabulous catharsis, moreover it is possible to generation bear from
Son generates unexpected effect, and the progress with conspicuousness.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of material with air-cleaning function, which is characterized in that be made of the raw material of following parts by weight：It is modified concave-convex
10-20 parts of stick soil, formaldehyde adsorbent 25-45 parts attapulgite modified, 30-50 parts of anion releasing agent, 15-25 parts of diatomite,
7-15 parts of powdered active carbon, nano-TiO26-14 parts, 4-10 parts of expanded perlite, 2-5 parts of redispersible rubber powder, poly- second
15-35 parts of glycol, 3-7 parts of cellulose ether.
2. the material according to claim 1 with air-cleaning function, which is characterized in that by the original of following parts by weight
Material composition：Attapulgite modified 15 parts, 35 parts of attapulgite modified formaldehyde adsorbent, 40 parts of anion releasing agent, diatomite 20
Part, 11 parts of powdered active carbon, nano-TiO210 parts, 7 parts of expanded perlite, 3.5 parts of redispersible rubber powder, polyethylene glycol
25 parts, 5.5 parts of cellulose ether.
3. the material according to claim 1 with air-cleaning function, which is characterized in that described attapulgite modified
Preparation method is：
（1）Attapulgite is weighed, is added it in the aqueous hydrochloric acid solution of 4-6mol/L, reaction 30-40min, mistake is sufficiently stirred
Filter, is sufficiently washed to neutrality with deionized water, obtains the first processed material；
（2）First processed material is added in the sodium hydroxide solution of 3.5-5.5mol/L, reaction 50- is sufficiently stirred
60min, filtering, is sufficiently washed to neutrality with deionized water, obtains second processing object；
（3）The second processing object is sufficiently dry complete, 400-500 DEG C is then heated to, calcines 40- at such a temperature
50min then is cooled to room temperature, and attapulgite after the calcining is fully ground, and crosses 200-300 mesh, is obtained described
It is attapulgite modified.
4. the material according to claim 1 with air-cleaning function, which is characterized in that the attapulgite formaldehyde is inhaled
Attached dose of preparation method is：Diatomite is immersed in the phosphoric acid solution that concentration is 20-40%, is placed into microwave generator,
Under the microwave power effect of 100-300W, after being stirred 1-2 hours under the speed of 100-200r/min, filters, washes, dries immediately
It does to get attapulgite formaldehyde adsorbent.
5. the material according to claim 1 with air-cleaning function, which is characterized in that the anion releasing agent packet
Including weight ratio is 1：1：1 iron dravite powder, boracite powder and Al2O3-B2O3-SiO2The mixture of compound body powder.
6. the material according to claim 1 with air-cleaning function, which is characterized in that the fineness of the diatomite is
200-300 mesh.
7. the preparation method of the material according to claim 1-6 with air-cleaning function, which is characterized in that
Include the following steps：
（1）By attapulgite modified, attapulgite modified formaldehyde adsorbent, anion releasing agent, diatomite, powder activated
Charcoal, nano-TiO2, expanded perlite be mixed to form mixture in proportion；
（2）By step（1）In mixture be placed in ball milling 30-40h in ball mill and prepare slurry；It is added in ball mill when ball milling poly-
Ethylene glycol；
（3）Redispersible rubber powder and cellulose ether is added in mud after ball milling, with being pumped into slip drying press after being sufficiently stirred
Filters pressing drains；
（4）Mud cake vacuum pugging after press filt is slightly practiced 2 times, then thin white silk 3-5 times；
（5）The mud section perfected investment is prepared in the extruder barrel of mold, squeezes out green compact by required size；
（6）By green compact infrared drying or dry in the shade naturally up to dry body, drying time 30-40h；
（7）Vacuum calcining is in the microwave activation furnace that dry body merging has been vacuumized to get the material with air-cleaning function.
8. the preparation method of the material according to claim 7 with air-cleaning function, which is characterized in that the step
（4）The vacuum degree of middle vacuum pugging is 0.03-0.06Mpa.
9. the preparation method of the material according to claim 7 with air-cleaning function, which is characterized in that the step
（5）Middle extrusion pressure is 3-5 tons.
10. the preparation method of the material according to claim 7 with air-cleaning function, which is characterized in that the step
Suddenly（7）The condition of middle calcining：Calcination temperature is 550-650 DEG C, calcination time 15-20h.
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| CN110510980A (en) * | 2019-08-24 | 2019-11-29 | 安徽宜邦生物质科技有限公司 | A kind of releasing negative oxygen ion sterilization removes the decoration slurry and preparation method thereof of formaldehyde |
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| CN113083242A (en) * | 2021-03-31 | 2021-07-09 | 广州市绿新环保科技有限公司 | Novel material capable of releasing negative ions and removing formaldehyde and preparation method thereof |
| CN113429943A (en) * | 2021-07-23 | 2021-09-24 | 中国科学院广州能源研究所 | Modified attapulgite and preparation method of modified attapulgite-based composite phase change material |
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| CN115368120A (en) * | 2022-09-20 | 2022-11-22 | 苏州晶瓷超硬材料有限公司 | Alumina ceramic and production process thereof |
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Application publication date: 20181120 |