CN102872715B - Filter for removing methanal and manufacturing method thereof - Google Patents
Filter for removing methanal and manufacturing method thereof Download PDFInfo
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- CN102872715B CN102872715B CN201210333769.6A CN201210333769A CN102872715B CN 102872715 B CN102872715 B CN 102872715B CN 201210333769 A CN201210333769 A CN 201210333769A CN 102872715 B CN102872715 B CN 102872715B
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Abstract
The invention discloses a filter for removing methanal, which comprises a carrier layer, wherein a catalyst coating for removing the methanal is arranged on the surface of the carrier layer, and a catalyst fixing layer is arranged on the surface of the catalyst coating for removing the methanal. A manufacturing method of the filter for removing the methanal comprises the steps as follows: 1) forming the catalyst coating for removing the methanal by mixing raw materials uniformly according to a proportion, adding the mixed raw materials to the surface of a carrier and drying, 2) forming the catalyst fixing layer by mixing raw materials uniformly according to a proportion, adding the mixed raw materials to the surface of the catalyst coating for removing the methanal and drying. The manufacturing method is simple, and the manufactured filter for removing the methanal has better effects of removing the methanal and purifying air.
Description
Technical field
The present invention relates to a kind of except formaldehyde filter and preparation method thereof.
Background technology
Along with the pursuit of people to quality of the life is more and more higher, higher pursuit be there has also been to the air quality in living space, commercially all kinds of household electrical appliances purified air are favored, but have nothing in common with each other because of the purification techniques of different brands, and people are difficult to the superiority judging its function when commodity.In order to specification household electrical appliances market, 2011, country puts into effect a series of particular/special requirement for household electrical appliance, and wherein relevant to purification of air have GB 21551.6-2010 " particular/special requirement of antibacterial, degerming, the purification function air-conditioner of family expenses and similar applications electrical equipment ", GB 21551.3-2010 " particular/special requirement of antibacterial, degerming, the purification function air purifier of family expenses and similar applications electrical equipment ".Clear and definite regulation has been done to the decontamination index that the publicity air-conditioning of " purification " function, the needs of air purifier reach:
| Pollutant | Purification efficiency (η) |
| Formaldehyde/ammonia/benzene | ≥25% |
Purification efficiency: air-conditioning, at the removal Clean air delivery rate of pollutant and the ratio of air-conditioning nominal air delivery, is the purification efficiency of air-conditioning.
Clean air delivery rate: the parameter characterizing air conditioning purge ability, provides the value of pure air to represent (being called for short CADR), with every cubic metre (m3/h) per hour for unit with the unit interval.
Such as, Clean air delivery rate/air-conditioning nominal air delivery × 100% of purifying formaldehyde efficiency (the %)=removal formaldehyde of air-conditioning
The appearance of above standard, the performance for current air-conditioning, air purifier has had strict antibacterial, purification requirement.Such as before standard is put into effect, air conditioner filter has certain function except formaldehyde, and air-conditioning just can stamp the mark of " purification air-conditioning "; After standard is put into effect, the State Bureau of Quality Supervision spot-check " purification " electrical equipment on market, " purification air-conditioning " that testing result shows multiple brand all cannot reach the requirement of GB, some functional circuits are that the filter of prestowage has certain function of removing formaldehyde, but the performance of functional circuit complete machine and Standard parameter greatly differ from each other, the functional circuit even had has no function of removing formaldehyde and can say.So after new GB is put into effect, need to develop new purification techniques to the requirement making the purification function of complete machine meet GB.
In addition, there is following problem in the formaldehyde catalyst that removes of prior art: 1. catalyst easily comes off; 2. absorb the moisture in air and cause hydraulic performance decline; 3. generally speaking, the poor effect of its adsoption catalysis formaldehyde.
Summary of the invention
The object of this invention is to provide a kind of except formaldehyde filter.
The technical solution used in the present invention is:
One, except formaldehyde filter, comprises carrier layer, carrier surface is provided with except formaldehyde catalyst coating, on formaldehyde catalyst coating surface, is being provided with catalyst fixed bed.
Described carrier is porous carrier.
Described be made up of the raw material of following mass percent except formaldehyde catalyst coating: 5%-50% removes formaldehyde catalyst, the adhesive of 10%-70%, the thickener of 0%-2%, surplus is water.
Except at least one that formaldehyde catalyst is in metal oxide catalyst, noble metal catalyst, rare-earth metal catalyst; Granularity except formaldehyde catalyst is 5-100nm.
Described adhesive is organic water borne adhesive or inorganic adhesive; Described organic water borne adhesive comprises vinyl acetate class adhesive, polyacrylic adhesive, water-based polyurethane adhesive, neoprene emulsion class adhesive; Described inorganic adhesive comprises Ludox and titanium colloidal sol.
Described catalyst fixed bed is made up of the raw material of following mass percent: the organic water borne adhesive of 10%-70%, the thickener of 0.1%-1%, the defoamer of 0%-1%, the pigment of 0%-5%, surplus is water.
Described organic water borne adhesive comprises vinyl acetate class adhesive, polyacrylic adhesive, water-based polyurethane adhesive, neoprene emulsion class adhesive.
Described thickener comprises cellulose ether and derivative class, alkali swelling type thickener, polyurethane associative thickener.
The viscosity of described catalyst fixed bed is more than or equal to 800mPas and is less than or equal to 3000mPas.
Except a preparation method for formaldehyde filter, comprise the following steps:
1) according to proportioning, raw material is mixed, then add on carrier surface, after drying, formed except formaldehyde catalyst coating;
2) according to proportioning, raw material is mixed, then add to except on formaldehyde catalyst coating surface, after dry, form catalyst fixed bed.
The addition of described catalyst fixed bed is 30-200g/ ㎡.
The invention has the beneficial effects as follows: preparation method of the present invention is simple, prepared removes formaldehyde and the effect that purifies air preferably except formaldehyde filter has.
Accompanying drawing explanation
Fig. 1 be embodiment 1 except formaldehyde filter structural front view.
Fig. 2 be embodiment 1 except formaldehyde filter structure top view.
Fig. 3 be embodiment 2 except formaldehyde filter structural representation.
Fig. 4 be embodiment 3 except formaldehyde filter structural representation.
Fig. 5 be embodiment 4 except formaldehyde filter structural representation.
Fig. 6 be embodiment 5 except formaldehyde filter structural representation.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further:
embodiment 1:
As shown in Figure 1 and Figure 2.One of the present invention is except formaldehyde filter: ceramic honeycomb carrier 1 is arranged except formaldehyde catalyst coating 2 and catalyst fixed bed 3, and catalyst fixed bed 3 is arranged on except formaldehyde catalyst coating 2 is outer.
Except the raw material of formaldehyde catalyst coating forms (mass percent composition) be: the nano platinum that the granularity of 30% is the manganese dioxide of 50 nanometers, the granularity of 0.1% is 10 nanometers, the acrylic acid adhesive (watersoluble modified acrylic acid emulsion GS-423) of 20%, the water of 49.9%.
Raw material composition (mass percent) of catalyst fixed bed is: water-based PU glue (model: SJ-002), the cellulose thickener CMC of 0.2%, the brown powder of 2% of 25%, the water of 72.8%.
Except the preparation method of formaldehyde filter is:
1) according to the raw material composition except formaldehyde catalyst coating, various raw material is mixed, stir and make it mix in 60 minutes, added on ceramic honeycomb carrier by the mode of spray gun spraying, then dried by vacuum drying chamber, formed except formaldehyde catalyst coating;
2) according to the raw material composition of catalyst fixed bed, various raw material is mixed, stirring makes it mix in 60 minutes, the viscosity of mixed system is 1200mPas, re-use roller by this mixed system even spread in formaldehyde catalyst coating, coating weight is one side 30g/ ㎡, obtains except formaldehyde filter finally by hot air type drier drying.
The filter prepared by the present embodiment is processed as the specification of 300 × 170 × 5mm, be arranged on (air conditioner load air quantity 325m3/h) on air-conditioning, with reference to Clean air delivery rate and the purification efficiency of GB/T 18801-2008 " air purifier " and GB 21551.6-2010 " particular/special requirement of antibacterial, degerming, the purification function air-conditioner of family expenses and similar applications electrical equipment " testing air conditioner, result is as following table:
table 1: the effect except formaldehyde filter prepared by the present invention
| Filter | Pure air output rating (m3/h) | Purifying formaldehyde rate (%) |
| Embodiment 1 | 91 | 28 |
embodiment 2:
With reference to Fig. 3.One of the present invention, except formaldehyde filter, rugosity gum sprayed cotton carrier 1 is arranged except formaldehyde catalyst coating 2 and catalyst fixed bed 3, and catalyst fixed bed 3 is arranged on except formaldehyde catalyst coating 2 is outer.
Except the raw material of formaldehyde catalyst coating forms (mass percent composition) be: the granularity of 10% is the titanium dioxide of 30 nanometers, the granularity of 2% is the Technique of Nano Pd of 20 nanometers, the granularity of 5% is the cerium oxide of 30 nanometers, adhesive (the VAE emulsion of 31%, model: 705), the water of 52%.
Raw material composition (mass percent composition) of catalyst fixed bed is: acrylic acid adhesive (watersoluble modified acrylic acid emulsion GS-423), the cellulose thickener CMC of 0.1%, the water of 69.9% of 30%.
Except the preparation method of formaldehyde filter is:
1) according to the raw material composition except formaldehyde catalyst coating, various raw material is mixed, stir and make it mix in 60 minutes, then rugosity gum sprayed cotton carrier is soaked in wherein, take out and dried by hot air type drying box, formed except formaldehyde catalyst coating;
2) according to the raw material composition of catalyst fixed bed, various raw material is mixed, stirring makes it mix in 60 minutes, the viscosity of mixed system is 1500mPas, this mixed system adds to except in formaldehyde catalyst coating by the mode re-using spraying, coating weight is one side 50g/ ㎡, finally naturally dries.
embodiment 3:
With reference to Fig. 4.One of the present invention, except formaldehyde filter, rugosity gum sprayed cotton carrier 1 is arranged except formaldehyde catalyst coating 2 and catalyst fixed bed 3, and catalyst fixed bed 3 is arranged on except formaldehyde catalyst coating 2 is outer.
Except the raw material of formaldehyde catalyst coating forms (mass percent composition) be: the granularity of 1% is the titanium dioxide of 30 nanometers, the granularity of 2% is the nanometer Ru of 20 nanometers, the granularity of 2% is the cerium oxide of 30 nanometers, adhesive (the VAE emulsion of 10%, model: 707), the water of 85%.
Raw material composition (mass percent composition) of catalyst fixed bed is: water-based PU glue (model: SJ-002), the cellulose thickener CMC of 0.1%, the water of 89.9% of 10%.
Except the preparation method of formaldehyde filter is:
1) according to the raw material composition except formaldehyde catalyst coating, various raw material is mixed, stir and make it mix in 80 minutes, then rugosity gum sprayed cotton carrier is soaked in wherein, take out and dried by hot air type drying box, formed except formaldehyde catalyst coating;
2) according to the pulp furnish of catalyst fixed bed, various raw material is mixed, stirring makes it mix in 80 minutes, the viscosity of mixed system is 850mPas, this mixed system adds to except in formaldehyde catalyst coating by the mode re-using spraying, coating weight is one side 100g/ ㎡, dry finally by vacuum drying chamber.
embodiment 4:
With reference to Fig. 5.One of the present invention, except formaldehyde filter, rugosity nonwoven carrier 1 is arranged except formaldehyde catalyst coating 2 and catalyst fixed bed 3, and catalyst fixed bed 3 is arranged on except formaldehyde catalyst coating 2 is outer.
Except the raw material of formaldehyde catalyst coating forms (mass percent composition) be: the cerium oxide that the granularity of 10% is the titanium dioxide of 30 nanometers, the granularity of 5% is the Technique of Nano Pd of 20 nanometers, the granularity of 5% is 30 nanometers, the nano-titanium colloidal sol (titanium colloidal sol model: JR-NT33) of 55%, the water of 25%.
Raw material composition (mass percent composition) of catalyst fixed bed is: acrylic acid adhesive (watersoluble modified acrylic acid emulsion GS-423), the cellulose thickener CMC of 1%, defoamer BYK141, the carbon black of 5%, the water of 23% of 1% of 70%.
Except the preparation method of formaldehyde filter is:
1) according to the raw material composition except formaldehyde catalyst coating, various raw material is mixed, stir and make it mix in 60 minutes, then rugosity nonwoven carrier is soaked in wherein, take out and dried by vacuum type drying box, formed except formaldehyde catalyst coating;
2) according to the raw material composition of catalyst fixed bed, various raw material is mixed, stirring makes it mix in 80 minutes, the viscosity of mixed system is 2500mPas, this mixed system adds to except in formaldehyde catalyst coating by the mode re-using spraying, coating weight is one side 60g/ ㎡, finally naturally dries.
embodiment 5:
With reference to Fig. 6.One of the present invention, except formaldehyde filter, folded water thorn cloth carrier 1 is arranged except formaldehyde catalyst coating 2 and catalyst fixed bed 3, and catalyst fixed bed 3 is arranged on except formaldehyde catalyst coating 2 is outer.
Except the raw material of formaldehyde catalyst coating forms (mass percent composition) be: the granularity of 5% is the cupric oxide of 30 nanometers, the granularity of 5% is the Technique of Nano Pd of 20 nanometers, the granularity of 5% is the cerium oxide of 30 nanometers, EVA adhesive (the EVA emulsion of 70%, model: 705), the cellulose thickener CMC of 2%, the water of 13%.
Raw material composition (mass percent composition) of catalyst fixed bed is: water-based PU glue (model: SJ-002), the cellulose thickener CMC of 0.5%, defoamer BYK141, the carbon black of 3%, the water of 66% of 0.5% of 30%.
Except the preparation method of formaldehyde filter is:
1) according to the pulp furnish except formaldehyde catalyst coating, various raw material is mixed, stirring makes it mix in 120 minutes, added on folded water thorn cloth carrier by the mode of spraying, take out and dried by infrared type drying box, formed except formaldehyde catalyst coating;
2) according to the pulp furnish of catalyst fixed bed, various raw material is mixed, stirring makes it mix in 120 minutes, the viscosity of mixed system is 1600mPas, this mixed system adds to except in formaldehyde catalyst coating by the mode re-using round brush coating, coating weight is one side 70g/ ㎡, dry finally by hot air type drying box.
Claims (2)
1. except a formaldehyde filter, comprise carrier, it is characterized in that: be provided with except formaldehyde catalyst coating on carrier surface, on formaldehyde catalyst coating surface, be provided with catalyst fixed bed; Described carrier is porous carrier; Described be made up of the raw material of following mass percent except formaldehyde catalyst coating: 5%-50% removes formaldehyde catalyst, the adhesive of 10%-70%, the thickener of 0%-2%, surplus is water; Except at least one that formaldehyde catalyst is in metal oxide catalyst, noble metal catalyst, rare-earth metal catalyst; Granularity except formaldehyde catalyst is 5-100nm; Described adhesive is organic water borne adhesive or inorganic adhesive; Described organic water borne adhesive comprises vinyl acetate class adhesive, polyacrylic adhesive, water-based polyurethane adhesive, neoprene emulsion class adhesive; Described inorganic adhesive comprises Ludox and titanium colloidal sol; Described catalyst fixed bed is made up of the raw material of following mass percent: the organic water borne adhesive of 10%-70%, the thickener of 0.1%-1%, the defoamer of 0%-1%, the pigment of 0%-5%, and surplus is water; Described organic water borne adhesive comprises vinyl acetate class adhesive, polyacrylic adhesive, water-based polyurethane adhesive, neoprene emulsion class adhesive; Described thickener comprises cellulose ether and derivative class, alkali swelling type thickener, polyurethane associative thickener; The viscosity of described catalyst fixed bed is more than or equal to 800mPas and is less than or equal to 3000mPas.
2. a kind of preparation method except formaldehyde filter according to claim 1, is characterized in that: comprise the following steps:
1) according to except formaldehyde catalyst coating proportioning, raw material is mixed, then add on carrier surface, after drying, formed except formaldehyde catalyst coating; Described be made up of the raw material of following mass percent except formaldehyde catalyst coating: 5%-50% removes formaldehyde catalyst, the adhesive of 10%-70%, the thickener of 0%-2%, surplus is water;
2) according to catalyst fixed bed proportioning, raw material is mixed, then add to except on formaldehyde catalyst coating surface, after dry, form catalyst fixed bed; Described catalyst fixed bed is made up of the raw material of following mass percent: the organic water borne adhesive of 10%-70%, the thickener of 0.1%-1%, the defoamer of 0%-1%, the pigment of 0%-5%, and surplus is water; The addition of described catalyst fixed bed is 30-200g/ ㎡.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333769.6A CN102872715B (en) | 2012-09-11 | 2012-09-11 | Filter for removing methanal and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333769.6A CN102872715B (en) | 2012-09-11 | 2012-09-11 | Filter for removing methanal and manufacturing method thereof |
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| CN102872715A CN102872715A (en) | 2013-01-16 |
| CN102872715B true CN102872715B (en) | 2015-01-28 |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646075A (en) * | 2013-11-21 | 2015-05-27 | 江门市江海区佑昌自动化设备有限公司 | Denitrogenating oxide coating fixing method |
| CN103919509A (en) * | 2014-03-14 | 2014-07-16 | 苏州亚都环保科技有限公司 | Dust collector with formaldehyde decomposing function |
| CN106311355A (en) * | 2015-06-26 | 2017-01-11 | 严小华 | Method for producing oxide coating |
| CN106310939A (en) * | 2015-06-26 | 2017-01-11 | 严小华 | Method for preparing formaldehyde removing filter |
| CN105727905A (en) * | 2016-03-15 | 2016-07-06 | 刘高志 | Novel air purifying material with formaldehyde removal function |
| CN105860402A (en) * | 2016-04-23 | 2016-08-17 | 徐挺 | Formaldehyde-removal air purifying new material |
| CN106039918A (en) * | 2016-06-27 | 2016-10-26 | 广东古帆装饰工程有限公司 | Method for removing formaldehyde |
| CN107626200A (en) * | 2016-07-18 | 2018-01-26 | 康宁股份有限公司 | Mixed-metal oxides Formaldehyde decomposition catalyst filter and its manufacture method |
| CN107537314A (en) * | 2016-08-31 | 2018-01-05 | 广东古帆装饰工程有限公司 | One kind removes carbaldehyde Method |
| CN107537313A (en) * | 2016-08-31 | 2018-01-05 | 广东古帆装饰工程有限公司 | Except formaldehyde coating method and its obtained remove formaldehyde filter |
| CN109956727B (en) * | 2017-12-14 | 2020-04-10 | 北新集团建材股份有限公司 | Formaldehyde-removing thistle board and preparation method thereof |
| CN109499360A (en) * | 2018-12-27 | 2019-03-22 | 佛山市顺德区阿波罗环保器材有限公司 | A kind of deodorizing module and preparation method thereof containing composite coating |
| CN112619287A (en) * | 2020-11-04 | 2021-04-09 | 海信（广东）空调有限公司 | Filter screen and preparation method thereof, air conditioner indoor unit with filter screen and air purifier |
| CN113058423A (en) * | 2021-03-24 | 2021-07-02 | 海信（广东）空调有限公司 | Formaldehyde removal filter screen and preparation method and application thereof |
| CN113058657A (en) * | 2021-04-02 | 2021-07-02 | 四方光电股份有限公司 | Formaldehyde decomposition felt and preparation method thereof |
| CN113797925A (en) * | 2021-09-30 | 2021-12-17 | 佛山市顺德区阿波罗环保器材有限公司 | Formaldehyde removal catalyst and preparation method and application thereof |
| CN114272958A (en) * | 2022-01-13 | 2022-04-05 | 广州天与地投资服务有限公司 | Platinum catalyst for quickly removing formaldehyde |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764536A (en) * | 2003-03-26 | 2006-04-26 | 东陶机器株式会社 | Functional member and method for production thereof and fluid to be applied |
| CN1218778C (en) * | 2003-08-28 | 2005-09-14 | 上海交通大学 | Preparation method of load type photocatalytic purification net block |
| CN100532486C (en) * | 2006-03-31 | 2009-08-26 | 中国科学院过程工程研究所 | Adhesive for absorbing formol |
| CN101475767A (en) * | 2006-03-31 | 2009-07-08 | 中国科学院过程工程研究所 | Coating for collecting formaldehyde |
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