CN103521174A - Indoor air purification material and preparation method thereof - Google Patents
Indoor air purification material and preparation method thereof Download PDFInfo
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- CN103521174A CN103521174A CN201310479461.7A CN201310479461A CN103521174A CN 103521174 A CN103521174 A CN 103521174A CN 201310479461 A CN201310479461 A CN 201310479461A CN 103521174 A CN103521174 A CN 103521174A
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- indoor air
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Abstract
The invention discloses an indoor air purification material and a preparation method thereof. The indoor air purification material consists of fine kieselguhr, ball clay, an anion releasing agent and a light decomposing agent. As the kieselguhr is modified through using microwave acid, the specific surface area, the number of tiny-grade micropores and the most probable radius of the kieselguhr are increased, the purification efficiency of the kieselguhr on air is improved, the absorption amount of the kieselguhr on air is greatly increased, the light decomposing agent is retained in a porous structure of the kieselguhr under the action of high-speed airflow of a circulation type pneumatic mixing machine through using a pneumatic three-dimensional mixing technique, a product has high-efficiency absorption and decomposition properties, indoor air can be continuously and efficiently purified, and the air quality can be improved.
Description
Technical field
The present invention relates to material for air purification field, be specifically related to a kind of indoor air cleaning formed material and preparation method thereof.
Background technology
Along with socioeconomic development and growth in the living standard, people more and more focus on room and office space environmental condition is improved, a large amount of uses beautify, ornament materials, cause a large amount of chemicals in indoor use, many poisonous and hazardous materials are threatening the health of human body stealthily, therefore, the living space that wishes a safety and Health that people are urgent, thereby Indoor Air Pollution Purification Technology becomes study hotspot, indoor air cleaning formed material also arises at the historic moment, and is more and more subject to people's concern and attention.
Indoor air cleaning formed material is to adopt active carbon as main adsorption cleaning material mostly in the market, the auxiliary compound indoor air purification particle made from various chemical cleaning method materials, although there is certain air purification effect, also exist purification efficiency lower, continue easily saturated, the defect that can not repeatedly recycle of short, adsorption capacities of materials of clarification time; People utilized nonmetallic mineral material that specific activity charcoal performance is more excellent if diatomite, zeolite etc. are as the main material in indoor air cleaning formed material afterwards, had improved the adsorption cleaning ability of scavenging material, were conducive to this product and applied more widely.
Diatomite is a kind of natural mineral raw being formed by the siliceous skeleton of a corpse deposition of extinct plants and animal diatom, is the treasure that the Nature gives the mankind, and in theory, pure diatomaceous specific area is to reach 50m
2/ g, the more than 6000 times of active carbon, in reality, in diatomite, often contain the impurity such as organic matter and clay, cause its specific area not reach theoretical value, but diatomite just can greatly increase its actual specific area after modification technology means are carried out modification.
China Patent Publication No. CN103212368A discloses a kind of photo-catalytic multifunctional diatom alcohol and has purified particle and preparation method, this patent is to utilize diatomite, attapulgite, zeolite, nonmetallic mineral and the photocatalysts such as stone are embraced in sea, a kind of multifunctional air purifying particle that negative ion powder is mixed, compare with the material for air purification made from active carbon that to have purification efficiency higher, the lasting clarification time is longer, the absorption total amount of material is larger, be difficult for saturated, the advantage that can repeatedly recycle, but wherein the mineral materials such as diatomite used do not carry out modification, prepared diatom alcohol purifies particle and still exists purification efficiency not enough, the defect that the adsorbance of material is large not.
China Patent Publication No. CN102863248A discloses the preparation method of the compound material for air purification of a kind of diatomite, this scavenging material adopts the material mixed calcinings such as diatomite, Tourmaline, flux, pore creating material to form, use therein diatomite does not pass through modification yet, thereby the scavenging material making exists the defect that purification efficiency is not high enough, can not long-lastingly purify air efficiently equally.
China Patent Publication No. CN102101008A discloses a kind of oxidation type air purifying material and preparation method thereof, what the method adopted is to use inorganic oxidizer to invade bubble diatomite, the method of then drying, the diatomite wherein not only using does not carry out modification, there is adsorption cleaning efficiency low, absorption is saturated shortcoming easily, and use inorganic oxidizer to be oxidized the way of harmful substance, also exist and may there is secondary pollution, oxidation efficiency is low, the clean-up effect time is short, many defects such as can not reuse.
Indoor air cleaning formed material is a kind of composite that can effectively purify the air of a room.Want effectively to reduce the harmful substance in room air, improve IAQ, indoor air cleaning formed material not only will have the powerful purification functions such as absorption, decomposition, release, also need to there is high efficiency, consumption is few, the duration is permanent effectively, absorption total amount is large, can Reusability etc. feature, thereby, to the raw-material selection for the preparation of material for air purification and modification, be to prepare the necessary means of the material for air purification with optimum performance.
Summary of the invention
The present invention is directed to current material for air purification purification efficiency lower, continue short, adsorption capacities of materials of clarification time easily defect and the not enough a kind of new and effective indoor air cleaning formed material and preparation method thereof that proposes such as saturated, this product has the basic function of the absorption not only with general material for air purification, decomposition, release, also have purification efficiency high, continue the feature that the clarification time is long, adsorbance is large.
Further aim of the present invention is to provide a kind of preparation method of new and effective indoor air cleaning formed material, the method is first by the microwave acid treatment of diatomite essence soil, micropore quantity and the most probable radius of diatomaceous specific area, micro scale have been increased, also make the aperture of diatomite micropore increase, thereby diatomite is increased greatly to the purification efficiency of air, and there is larger adsorbance, what can continue carries out adsorption cleaning to air; And then adopt pneumatic three-dimensional hybrid technology, and photolysis agent is disperseed uniformly and reside in diatomite micropore, utilize the enrichment of diatomite to pernicious gas, the decomposition efficiency of photolysis agent is strengthened greatly; Finally be mixed and made into graininess with anion releasing agent, zeolite powder, ball clay again, drying calcining forms this product.
A kind of new and effective indoor air cleaning formed material of the present invention and preparation method thereof, is characterized in that its raw material forms (weight portion) as follows:
The native 75-85 part of diatomite essence,
Zeolite powder 5-15 part,
Ball clay 10-20 part,
Anion releasing agent 2-5 part,
Photolysis agent 1-3 part,
Acid solution 100-200 part,
Wherein, described diatomite essence soil, for by the diatomite that physics is washed, process of refinement is crossed, has retained diatomaceous initial form to greatest extent, diatom nanometer micropore opening degree is good, structure is intact, and without destroying, diatom content is greater than 90%, and fineness is 100-200 order; Described zeolite powder fineness is 200-300 order; Described ball clay is to have removed organic calcining ball clay, and fineness is 300-500 order; Described anion releasing agent is for improving the tourmaline powder of processing through rare earth element, fineness is 3000-5000 order; Described photolysis agent is one or more in the nano TiO 2 that uses noble metal to carry out coordination chelation treatment to cross, ZnO, Fe2O3, SnO2, SrTiO3, SiO2, preferably nano TiO 2; Described acid solution is that concentration is the hydrochloric acid solution of 20%-60% sulfuric acid solution, 20%-40%, one or more in the phosphoric acid solution of 20%-60%, the sulfuric acid solution that preferred concentration is 40%.
The concrete preparation process of a kind of new and effective indoor air cleaning formed material of the present invention is as follows:
1) after the diatomite of 75-85 weight portion being joined in the acid solution of 100-200 weight portion, be placed in microwave generator, under the microwave power effect of 100-300W, under the speed of 100-200r/min, stir and invade out after 1-1.5 hour, filter immediately, by distilled water rinsing, dry for standby then;
2) by step 1) modification infusorial earth obtaining and the photolysis agent of 1-3 weight portion join and in the pneumatic mixer of circulating type three-dimensional, fully disperse to mix 0.5-1 hour mixture A;
3) by step 2) obtain the zeolite powder of mixture A and 5-15 weight portion, the anion releasing agent of the ball clay of 10-20 weight portion, 2-5 weight portion joins in high-speed mixer, under the speed of 800-1000 rev/min, mix and within 5-10 minute, obtain mixture B;
4) the mixture B obtaining of step 3) is made to the particle that diameter is 2-3mm in pellet processing machine, then by system particle put into roasting furnace roast 1-2 hour discharging at the temperature of 200-300 ℃, obtain product.
The preparation method of above-mentioned new and effective indoor air cleaning formed material, not only adopt microwave acid treatment technology to carry out modification to diatomite, micropore quantity and the most probable radius of diatomaceous specific area, micro scale have been increased, also make the aperture of diatomite micropore increase, thereby diatomite is increased greatly to the purification efficiency of air; Also adopt pneumatic three-dimensional hybrid technology, nano material is dispersed in uniformly in the hole of porous adsorbing material, utilize the sorbing material suction-operated of harmful substance enrichment being got up, improved the concentration of harmful substance, photolysis agent can better be contacted with harmful substance, thereby carry out catalytic oxidation, decompose, the utilization rate and the reaction speed that have improved photolysis agent, decomposition efficiency strengthens greatly.
In the preparation method of above-mentioned new and effective indoor air cleaning formed material, described microwave generator is MCL-3 type (0～850 W) microwave instrument, and microwave power is realized adjustable continuously by external pressure regulator, microwave frequency 2450MHz; Described circulating pneumatic stereo mixing machines Shi You center riser, blending bin, composite cone groove, restriction portion, mixing head, blower fan, baffling cone, metering gaps form, and by three-dimensional high pressure draught, impel fine functional powder to reside in diatomite hole.
A kind of new and effective indoor air cleaning formed material of the present invention and preparation method thereof, its outstanding feature is:
1, diatomite is carried out to modification by microwave acid treatment technology, micropore quantity and the most probable radius of diatomaceous specific area, micro scale have been increased, also make the aperture of diatomite micropore increase, thereby diatomite is increased greatly to the purification efficiency of air, and the material for air purification making also has higher purification efficiency, longer continuation clean-up effect and larger adsorbance;
2, the present invention adopts pneumatic three-dimensional hybrid technology in process of production, and photolysis agent can be resided in diatomite hole, thereby has improved the decomposition efficiency of photolysis agent, has further improved decomposition and the purification efficiency of material for air purification;
3, in the present invention, use the nano material of process noble metal coordination chelation treatment as the decomposition catalyst of nuisance, not only can absorb ultraviolet ray, but also can absorb even far red light of visible ray, product is greatly improved to the decomposition efficiency of nuisance;
4, in the present invention, adopt inorganic non-metallic mineral material as functional material, in conjunction with the material for air purification making with nano-photocatalyst material, there is efficient, lasting, environmental protection, nontoxic;
5, production cost of the present invention is low, and production process is simple and convenient, is applicable to large-scale industrial production.
The specific embodiment
Below by the specific embodiment, the present invention is described in further detail, but this should be interpreted as to scope of the present invention only limits to following example.In the situation that not departing from said method thought of the present invention, various replacements or the change according to ordinary skill knowledge and customary means, made, all should be within the scope of the present invention.
embodiment 1
1) after the diatomite of 75 weight portions being joined in the sulfuric acid solution that the concentration of 100 weight portions is 40%, be placed in microwave generator, under the microwave power effect of 100W, under the speed of 100r/min, stir and invade out after 1 hour, filter immediately, wash, dry;
2) by step 1) modification infusorial earth obtaining and the nano TiO 2 photolysis agent of 1 weight portion join and in the pneumatic mixer of circulating type three-dimensional, fully disperse to mix 0.5 hour mixture A;
3) by step 2) zeolite powder, the ball clay of 20 weight portions, the anion releasing agent of 2 weight portions that obtain mixture A and 5 parts join in high-speed mixer, mix and within 5 minutes, obtain mixture B under the speed of 800 revs/min;
4) the mixture B obtaining of step 3) is made to the particle that diameter is 2mm in pellet processing machine, then by system particle put into roasting furnace roast 1 hour at the temperature of 200 ℃, the cooling product that obtains.
By new and effective indoor air purification material product establishing criteria QB/T2761-2006 that make " indoor air purification product clean-up effect assay method ", detection is tested in JC/T2188-2013 " indoor air purification sorbing material purifying property ", and testing result is as follows:
embodiment 2
1) after the diatomite of 80 weight portions being joined in the hydrochloric acid solution of concentration 40% of 150 weight portions, be placed in microwave generator, under the microwave power effect of 200W, under the speed of 150r/min, stir and invade out after 1 hour, filter immediately, wash, dry;
2) by step 1) modification infusorial earth obtaining and the nano-ZnO photolysis agent of 2 weight portions join and in the pneumatic mixer of circulating type three-dimensional, fully disperse to mix 0.5 hour mixture A;
3) by step 2) zeolite powder, the ball clay of 15 weight portions, the anion releasing agent of 4 weight portions that obtain mixture A and 15 parts join in high-speed mixer, mix and within 8 minutes, obtain mixture B under the speed of 900 revs/min;
4) the mixture B obtaining of step 3) is made to the particle that diameter is 3mm in pellet processing machine, then by system particle put into roasting furnace roast 1.5 hours at the temperature of 250 ℃, the cooling product that obtains.
By new and effective indoor air purification material product establishing criteria QB/T2761-2006 that make " indoor air purification product clean-up effect assay method ", detection is tested in JC/T2188-2013 " indoor air purification sorbing material purifying property ", and testing result is as follows:
embodiment 3
1) after the diatomite of 85 weight portions being joined in the phosphoric acid solution that the concentration of 200 weight portions is 40%, be placed in microwave generator, under the microwave power effect of 300W, under the speed of 200r/min, stir and invade out after 1.5 hours, filter immediately, wash, dry;
2) by step 1) modification infusorial earth obtaining and the nanometer SiO2 photolysis agent of 3 weight portions join and in the pneumatic mixer of circulating type three-dimensional, fully disperse to mix 1 hour mixture A;
3) by step 2) zeolite powder, the ball clay of 10 weight portions, the anion releasing agent of 5 weight portions that obtain mixture A and 10 parts join in high-speed mixer, mix and within 10 minutes, obtain mixture B under the speed of 800 revs/min;
4) the mixture B obtaining of step 3) is made to the particle that diameter is 3mm in pellet processing machine, then by system particle put into roasting furnace roast 2 hours at the temperature of 300 ℃, the cooling product that obtains.
By new and effective indoor air purification material product establishing criteria QB/T2761-2006 that make " indoor air purification product clean-up effect assay method ", detection is tested in JC/T2188-2013 " indoor air purification sorbing material purifying property ", and testing result is as follows:
Claims (8)
1. an indoor air cleaning formed material, is characterized in that its raw material forms (weight portion) as follows:
The native 75-85 part of diatomite essence,
Zeolite powder 5-15 part,
Ball clay 10-20 part,
Anion releasing agent 2-5 part,
Photolysis agent 1-3 part,
Acid solution 100-200 part,
Wherein, described diatomite essence soil, for by the diatomite that physics is washed, process of refinement is crossed, has retained diatomaceous initial form to greatest extent, and diatom nanometer micropore opening degree is good, and structure is intact without destroying; Described zeolite powder fineness is 200-300 order; Described ball clay is to have removed organic calcining ball clay; Described anion releasing agent is for improving the tourmaline powder of processing through rare earth element; Described photolysis agent is one or more in the nano TiO 2 that uses noble metal to carry out coordination chelation treatment to cross, ZnO, Fe2O3, SnO2, SrTiO3, SiO2, preferably nano TiO 2; Described acid solution is 20%-60% sulfuric acid solution, the hydrochloric acid solution of 20%-40%, one or more in the phosphoric acid solution of 20%-60% that concentration is.
2. according to a kind of indoor air cleaning formed material described in claim 1, it is characterized in that the diatomite essence soil that described diatomite essence soil is greater than 90% for diatom content, fineness is 100-200 order.
3. according to a kind of indoor air cleaning formed material described in claim 1, it is characterized in that described ball clay is that fineness is 300-500 order calcining ball clay.
4. according to a kind of indoor air cleaning formed material described in claim 1, it is characterized in that described anion releasing agent fineness is 5000-6000 order.
5. according to a kind of indoor air cleaning formed material described in claim 1, it is characterized in that the sulfuric acid solution that described acid solution preferred concentration is 40%.
6. prepare the method for a kind of indoor air cleaning formed material claimed in claim 1, it is characterized in that concrete preparation process is as follows:
1) after the diatomite of 75-85 weight portion being joined in the acid solution of 100-200 weight portion, be placed in microwave generator, under the microwave power effect of 100-300W, under the speed of 100-200r/min, stir and invade out after 1-1.5 hour, filter immediately, wash, dry;
2) by step 1) modification infusorial earth obtaining and the photolysis agent of 1-3 weight portion join and in the pneumatic mixer of circulating type three-dimensional, fully disperse to mix 0.5-1 hour mixture A;
3) by step 2) obtain the zeolite powder of mixture A and 5-15 weight portion, the anion releasing agent of the ball clay of 10-20 weight portion, 2-5 weight portion joins in high-speed mixer, under the speed of 800-1000 rev/min, mix and within 5-10 minute, obtain mixture B;
4) the mixture B obtaining of step 3) is made to the particle that diameter is 2-3mm in pellet processing machine, then by system particle put into roasting furnace roast 1-2 hour discharging at the temperature of 200-300 ℃, obtain product.
7. according to the preparation method of a kind of indoor air cleaning formed material described in claim 6, it is characterized in that described microwave generation power is 100-300W, preferably 130W.
8. according to the preparation method of a kind of indoor air cleaning formed material in claim 6, it is characterized in that the described pneumatic mixer of circulating type three-dimensional is comprised of center riser, blending bin, composite cone groove, restriction portion, mixing head, blower fan, baffling cone, metering gaps, impels fine functional powder to reside in diatomite hole by high pressure draught.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104530854A (en) * | 2014-10-12 | 2015-04-22 | 宁波格瑞特涂料科技有限公司 | Waterborne paint capable of releasing negative ions and preparation method thereof |
| CN104525104A (en) * | 2014-12-09 | 2015-04-22 | 厦门理工学院 | Method for removing heavy metals in garbage percolate by using microwave modified diatomite |
| CN104893470A (en) * | 2015-06-05 | 2015-09-09 | 宁波健利康生物研究科技有限公司 | Environmental-friendly coating and preparation technology thereof |
| CN104941582A (en) * | 2015-06-21 | 2015-09-30 | 魏健 | Negative-ion-containing carbon-based mineral crystal air purification particles and manufacturing method thereof |
| CN105386343A (en) * | 2015-12-18 | 2016-03-09 | 常熟市通顺印染有限公司 | Environmentally friendly adjuvant used for fabric dyeing |
| CN106178878A (en) * | 2016-06-30 | 2016-12-07 | 廖晓斌 | The terpenes nano composite material of natural releasable negative oxygen ion and preparation method |
| CN107158904A (en) * | 2017-04-27 | 2017-09-15 | 舒尔环保科技（合肥）有限公司 | A kind of particle in photochemical catalyst filter screen |
| CN108031272A (en) * | 2017-11-02 | 2018-05-15 | 肇庆市高新区伟瑞生物科技有限公司 | A kind of dedicated Chinese medicine cleanser of air purifier |
| CN108786748A (en) * | 2018-06-25 | 2018-11-13 | 王秀玲 | A kind of hard shock resistance material for air purification and preparation method thereof |
| CN110328920A (en) * | 2019-06-21 | 2019-10-15 | 陈秀梅 | A kind of environment-friendly composite material and preparation method thereof for anti-toxic gas |
| CN111558295A (en) * | 2020-05-11 | 2020-08-21 | 上海天家医院管理有限公司 | Preparation method of negative oxygen ion air purifying agent |
| CN113956690A (en) * | 2021-10-29 | 2022-01-21 | 海安浩驰科技有限公司 | Preparation process of negative ion composite powder and paint and application of protective film |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530854A (en) * | 2014-10-12 | 2015-04-22 | 宁波格瑞特涂料科技有限公司 | Waterborne paint capable of releasing negative ions and preparation method thereof |
| CN104525104A (en) * | 2014-12-09 | 2015-04-22 | 厦门理工学院 | Method for removing heavy metals in garbage percolate by using microwave modified diatomite |
| CN104893470A (en) * | 2015-06-05 | 2015-09-09 | 宁波健利康生物研究科技有限公司 | Environmental-friendly coating and preparation technology thereof |
| CN104941582A (en) * | 2015-06-21 | 2015-09-30 | 魏健 | Negative-ion-containing carbon-based mineral crystal air purification particles and manufacturing method thereof |
| CN105386343A (en) * | 2015-12-18 | 2016-03-09 | 常熟市通顺印染有限公司 | Environmentally friendly adjuvant used for fabric dyeing |
| CN106178878A (en) * | 2016-06-30 | 2016-12-07 | 廖晓斌 | The terpenes nano composite material of natural releasable negative oxygen ion and preparation method |
| CN107158904A (en) * | 2017-04-27 | 2017-09-15 | 舒尔环保科技（合肥）有限公司 | A kind of particle in photochemical catalyst filter screen |
| CN108031272A (en) * | 2017-11-02 | 2018-05-15 | 肇庆市高新区伟瑞生物科技有限公司 | A kind of dedicated Chinese medicine cleanser of air purifier |
| CN108786748A (en) * | 2018-06-25 | 2018-11-13 | 王秀玲 | A kind of hard shock resistance material for air purification and preparation method thereof |
| CN110328920A (en) * | 2019-06-21 | 2019-10-15 | 陈秀梅 | A kind of environment-friendly composite material and preparation method thereof for anti-toxic gas |
| CN110328920B (en) * | 2019-06-21 | 2022-08-09 | 陈秀梅 | Environment-friendly composite material for preventing toxic gas and preparation method thereof |
| CN111558295A (en) * | 2020-05-11 | 2020-08-21 | 上海天家医院管理有限公司 | Preparation method of negative oxygen ion air purifying agent |
| CN113956690A (en) * | 2021-10-29 | 2022-01-21 | 海安浩驰科技有限公司 | Preparation process of negative ion composite powder and paint and application of protective film |
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