CN103774503A - Filter paper for environmental-friendly automobile filter and preparation method of filter paper - Google Patents
Filter paper for environmental-friendly automobile filter and preparation method of filter paper Download PDFInfo
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- CN103774503A CN103774503A CN201410020555.2A CN201410020555A CN103774503A CN 103774503 A CN103774503 A CN 103774503A CN 201410020555 A CN201410020555 A CN 201410020555A CN 103774503 A CN103774503 A CN 103774503A
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Abstract
The invention relates to filter paper for an environmental-friendly automobile filter. The filter paper for the environmental-friendly automobile filter is prepared from the following components in parts by weight: 1-5 parts of far infrared ceramic powder, 2-20 parts of sepiolite nanofibers, 0.8-1.6 parts of a silane coupling agent, 0.8-1.6 parts of a diluent, 9-20 parts of a sizing agent and 60-96 parts of wood pulp. Air, fuel oil and engine oil filters made of the filter paper are obvious in comprehensive effect; pollutants generated by exhaust gas emission of an automobile are reduced by 16-47%; the dynamic performance is improved by 6-12%; fuel oil can be saved by 2-5%; the emission standard reaches the European IV standard.
Description
Technical field
The present invention relates to a kind of filter paper of filter, particularly relate to a kind of filter paper of filter and manufacture method thereof with environment-friendly function, belong to automobile environment-protection technical field.
Background technology
It is flourishing and convenient that auto industry fast development brings to the mankind, but along with the sharply increase of automobile pollution, the environmental problem that motor vehicle emission causes shows especially out.Oxynitrides, volatile organic matter and pellet in emission, the contribution proportion in all pollution sources in downtown area reaches respectively 66%, 90% and 26%.Automobile filter has the effect that fuel oil, air and machine oil are filtered, and filter core is its main filtration fraction, is bearing filtration work, and the research of filtering material is directly connected to the effect of filtration.In recent years the aggravation of the atmosphere polluting problem such as Chinese big and medium-sized cities haze, has proposed more and more higher requirement to automobile with service life, filtering accuracy, the water environment capacity of filter paper especially.
In order to improve filter paper fibre network details, the pore structure of automobile filter, successively develop multiple filter paper of filter technology.
Filtering material take single material fiber as raw material: will reduced bore in order to improve filtering accuracy, thereby can increase filtration resistance, reduction of service life; In order to reduce filtration resistance, increase the service life, will hole diameter enlargement, thereby can reduce filtering accuracy.So be difficult to come by the adjusting of microscopic void the performance parameters such as balance filtration precision and filtration resistance.
Composite fibre filtering material take various material fiber as raw material: utilize synthetic fiber and string to produce high-performance composite filter material, if the internal structure to material does not control effectively, this filtering material will be the same with the filtering material of Single Fiber composition, is still difficult to come by the adjusting of microscopic void the performance parameters such as balance filtration precision and filtration resistance.
MULTILAYER COMPOSITE filter paper: by the filtering material with different performance by the stacked compound combination property of optimizing filtering material, generally the filtering material being shaped is carried out again to secondary operations compound, complex manufacturing, cost are higher, and at the obvious interface of existence between layers of material.
Gradient-structure filter paper: have aperture continually varying filter paper on the profile direction of material, this method is by the effective control to technique, the gradient that can realize different fibrous raw materials distributes, in internal structure, there is the continuous variation in aperture, can reasonably regulate this conflict parameter of filter efficiency and filtration resistance, reach desirable isolated by filtration effect.
Summary of the invention
The problem existing for existing filter filter paper, the present invention is intended to utilize high length-diameter ratio natural minerals nanofiber and vehicle in use filter paper paper fibre complex technique, and a kind of new automobile environmental-protective filter filter paper coating material and preparation method thereof is provided.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of automobile environment-protection filter paper of filter, is made by the component of following weight portion: the far-infared ceramic powder of 1～5 part, the sepiolite nanofiber of 2～20 parts, the silane coupler of 0.8～1.6 part, the diluent of 0.8～1.6 part, the sizing agent of 9～20 parts, the wood pulp of 60～96 parts.
Wherein, described far-infared ceramic powder is made up of the component of following weight parts: 30～62 parts of the polar mineral tourmaline superfine powders of meso-position radius 0.45～1.4 μ m, 4～8 parts of rare earth oxides, 28～60 parts of transition metal oxides.
Described polar mineral tourmaline is one or more in iron tourmaline, dravite, iron dravite, elbaite.
Described rare earth oxide is the CeO of meso-position radius 0.08～1.7 μ m
2, Ce
2o
3, La
2o
3in one or more.
Described transition metal oxide is made up of the component of following weight portion: the Fe of 2～9 parts
2o
3, the MnO of 1～4 part
2, the Co of 1～8 part
2o
3, the CuO of 1～12 part.
Described silane coupler is dodecyltrimethoxysilane, vinyltriethoxysilane or vinyltrimethoxy silane.
Described diluent is isopropyl alcohol, benzinum or benzene alcohol.
Described sizing agent is PMA, polyethyl acrylate or polyacrylic acid propyl ester.
Described wood pulp is conventional filter filter paper wood pulp.
Preferably, described automobile environment-protection filter paper of filter, is made by the component of following weight portion: the far-infared ceramic powder of 1.8～5.8 parts, the sepiolite nanofiber of 7.4～11.7 parts, the silane coupler of 1.1～1.6 parts, the diluent of 1.1～1.6 parts, the sizing agent of 13.4～18.6 parts, the wood pulp of 65～84.5 parts.
The present invention also provides the manufacture method of above-mentioned environmental-protective filter filter paper, comprises the steps:
1) silane coupler and diluent are added in far-infared ceramic powder and fully stir after 10～30min, leave standstill 5～10min, 80～120 ℃ of oven dry; Improve ceramic powders surface property, make it better to merge with paper pulp, increase the firmness of powder in paper.
2) far-infared ceramic powder after step 1) surface preparation, sepiolite nanofiber, sizing agent are added in the wood pulp of accomplishing fluently simultaneously, adopt mechanical agitation, make it to mix, the tune that adds water is subsequently dense to 3.0～3.5%, makes slurries;
3) slurries moulding, squeeze, be dried to mass dryness fraction 92～95%, press polish and arrangement and obtain required filter paper.
Gained filter paper has high filtering precision, bursting strength is strong, gas permeability is high, can discharge the characteristic such as far infrared and anion, can be used for air, fuel oil and oil filter.
Sepiolite is a kind of typical silicate nano fibrous mineral, its axially and sidewall there is abundant nano-pore, specific surface is large, space is many, has extremely strong adsorption capacity and strainability.But because interface between mineral nano fiber is in conjunction with firmly, strainability and adsorption capacity are affected.Sepiolite nano powder prepared by conventional ball grinding technique, the draw ratio of fiber is little, and fibre property can not be given full play to, and is 80-100nm and the present invention adopts diameter prepared by high velocity air technology, long 0.1-0.25 μ m sepiolite nanofiber, fibre property can be not fully exerted.
Far infrared anion releasing that far-infared ceramic powder can be CF by the Conversion of Energy in space.Far infrared and fuel molecule and air molecule generation simultaneous resonance, make fuel oil and airborne macromolecular mass be broken into orderly little molecule, make the abundant combination of air molecule and oil molecule, produced simultaneously a large amount of anion provides oxidant more efficiently for burning, both are in conjunction with can significantly improving burning quality, improving combustion rate, thereby make cleaner not only there is the function of filtered air and impurity in fuel, and can reach raising power, reduce the function of fuel consumption, reduce harmful gas emission in tail gas.
It is to be that raw material is made with synthetic macromolecular compound that synthetic fiber belong to chemical fibre class.Fiber is straight and upright, smooth surface, density is little, springiness has the performances such as hot water solubility, heat sealability, heat-resisting quantity, strainability, intensity and the manufacture that adds the object of synthetic fiber to be to improve filter paper have specific characteristics can filter paper.Synthetic fiber material is generally to merge with very long long filament the tow forming, and must be cut off.For retaining smooth, straight and upright, the limber feature of synthetic fiber, adopting cutting machine to cut is good selection.
The present invention compared with prior art has following beneficial effect:
1. the present invention applies function ceramics composite prepared by the multiple materials such as natural polar mineral material tourmaline, rare earth oxide and transition metal and has radiation correlated frequency far infrared, negative ion-releasing function.
2. utilize this coating making filter paper technique simple, only coating need be coated on to filter paper by certain mass Area Ratio, after drying, can use.
3. Filter paper filtering precision of the present invention is high, gas permeability is high and bursting strength is strong.
4. utilize the filter paper far infrared transmissivity that the present invention makes to be not less than 85%, there is very strong far infrared transmission ability.
5. utilize the filter paper cleaner negative ion concentration that the present invention makes to be all not less than 800/cm
3, there is very strong anion emission ability.
Through lot of experiments, the air, fuel oil, the oil filter comprehensive function that utilize filter paper of the present invention to make are obvious, and motor vehicle exhaust emission pollutant reduces 16～47%, and power performance improves 6%～12%, can save fuel oil 2%～5%, and discharge standard reaches the Europe IV standard.
The specific embodiment
Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
In the embodiment of the present invention, sepiolite nanofiber used is the fibrous sepiolite suede that Zhong Ke sepiolite factory produces.
Embodiment 1
1, the preparation of far-infared ceramic powder:
The dravite superfine powder 0.8kg of meso-position radius 0.45 μ m, the La of meso-position radius 0.36 μ m
2o
30.1kg, Fe
2o
30.2kg, MnO
20.3kg, Co
2o
30.2kg, CuO0.2kg.
2, the preparation of filter paper of filter:
1) silane coupler and diluent are added in far-infared ceramic powder and fully stir after 20min, leave standstill 8min, 100 ℃ of oven dry; Improve ceramic powders surface property, make it better to merge with paper pulp, increase the firmness of powder in paper.
2) far-infared ceramic powder after step 1) surface preparation, sepiolite nanofiber, sizing agent are added in the wood pulp of accomplishing fluently simultaneously, adopt mechanical agitation, make it to mix, the tune that adds water is subsequently dense to 3.2%, makes slurries;
3) slurries moulding, squeeze, be dried to mass dryness fraction 92%, press polish and arrangement and obtain required filter paper.
Application high velocity air technology is prepared high length-diameter ratio sepiolite nanofiber, and diameter is 83nm, long 0.18 μ m.
Wherein, each component proportion is in table 1.
The proportioning of table 1 embodiment 1
Paper performance is detected, and result is as table 2.
The performance of filter paper measurement result of table 2 embodiment 1
Test through reality with the air filter that this filter paper is made, tail gas discharging pollutant reduces 20.4%, and discharge reaches the Europe IV standard, and under comprehensive function, power performance improves 6.5%, can save fuel oil 2.9%.
Embodiment 2
1, the preparation of far-infared ceramic powder:
The iron dravite superfine powder 2kg of meso-position radius 1.4 μ m, the CeO of meso-position radius 0.08 μ m
20.2kg, Fe
2o
30.4kg, MnO
20.2kg, Co
2o
30.8kg, CuO0.1kg.
2, the preparation of filter paper of filter:
Method according to embodiment 1 is prepared filter paper.Wherein, application high velocity air technology is prepared high length-diameter ratio sepiolite nanofiber, and diameter is 96nm, long 0.21 μ m.
Wherein, each component proportion is in table 3.
The proportioning of table 3 embodiment 2
Paper performance is detected, and result is as table 4.
The performance of filter paper measurement result of table 4 embodiment 2
Test through reality with the diesel fuel filter that this filter paper is made, tail gas discharging pollutant reduces 34%, and discharge reaches the Europe IV standard, and under comprehensive function, power performance improves 9%, can save fuel oil 4.2%.
Embodiment 3
1, the preparation of far-infared ceramic powder:
The reason tourmaline superfine powder 3.1kg of meso-position radius 1.1 μ m, the Ce of meso-position radius 1.7 μ m
2o
30.2kg, Fe
2o
30.7kg, MnO
20.4kg, Co
2o
30.2kg, CuO1.2kg.
2, the preparation of filter paper of filter:
Method according to embodiment 1 is prepared filter paper.Wherein, application high velocity air technology is prepared high length-diameter ratio sepiolite nanofiber, and diameter is 92nm, long 0.22 μ m.
Wherein, each component proportion is in table 5.
The proportioning of table 5 embodiment 3
Paper performance is detected, and result is as table 6.
Performance of filter paper measurement result prepared by table 6 embodiment 3 coating materials
Test through reality with the gasoline filter that this filter paper is made, tail gas discharging pollutant reduces 27%, and discharge reaches the Europe IV standard, and under comprehensive function, power performance improves 11%, can save fuel oil 4%.
Embodiment 4
1, the preparation of far-infared ceramic powder:
The elbaite superfine powder 1.4kg of meso-position radius 0.6 μ m, the iron tourmaline superfine powder 0.1kg of meso-position radius 1.3 μ m, CeO
20.1kg, La
2o
30.1kg, Fe
2o
30.9kg, MnO
20.1kg, Co
2o
30.1kg, CuO0.3kg.
2, the preparation of filter paper of filter:
Method according to embodiment 1 is prepared filter paper.Wherein, application high velocity air technology is prepared high length-diameter ratio sepiolite nanofiber, and diameter is 85nm, long 0.19 μ m.
Wherein, each component proportion is in table 7.
The proportioning of table 7 embodiment 4
Paper performance is detected, and result is as table 8.
Performance of filter paper measurement result prepared by table 8 embodiment 4 coating materials
Test through reality by the oil filter that this filter paper is made, tail gas discharging pollutant reduces 32%, and discharge reaches the Europe IV standard, and under comprehensive function, power performance improves 11%, can save fuel oil 3.4%.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. an automobile environment-protection filter paper of filter, it is characterized in that, made by the component of following weight portion: the far-infared ceramic powder of 1～5 part, the sepiolite nanofiber of 2～20 parts, the silane coupler of 0.8～1.6 part, the diluent of 0.8～1.6 part, the sizing agent of 9～20 parts, the wood pulp of 60～96 parts.
2. filter paper according to claim 1, is characterized in that, described far-infared ceramic powder is made up of the component of following weight parts: 40～60 parts, the polar mineral tourmaline of meso-position radius 0.1～2 μ m, 4～8 parts of rare earth oxides, 30～60 parts of transition metal oxides.
3. filter paper according to claim 2, is characterized in that, described polar mineral tourmaline is one or more in iron tourmaline, dravite, iron dravite, elbaite.
4. filter paper according to claim 2, is characterized in that, described rare earth oxide is the CeO of meso-position radius 0.01～2 μ m
2, Ce
2o
3, La
2o
3in one or more.
5. filter paper according to claim 2, is characterized in that, described transition metal oxide is made up of the component of following weight portion: 60～90% Fe
2o
3, 4～10% MnO
2, 2～8% Co
2o
3, 2～8% CuO.
6. filter paper according to claim 1, is characterized in that, described silane coupler is dodecyltrimethoxysilane, vinyltriethoxysilane or vinyltrimethoxy silane.
7. filter paper according to claim 1, is characterized in that, described diluent is isopropyl alcohol, benzinum or benzene alcohol.
8. filter paper according to claim 1, is characterized in that, described sizing agent is PMA, polyethyl acrylate or polyacrylic acid propyl ester.
9. filter paper according to claim 1, it is characterized in that, described automobile environment-protection filter paper of filter, is made by the component of following weight portion: the far-infared ceramic powder of 1.8～5.8 parts, the sepiolite nanofiber of 7.4～11.7 parts, the silane coupler of 1.1～1.6 parts, the diluent of 1.1～1.6 parts, the sizing agent of 13.4～18.6 parts, the wood pulp of 65～84.5 parts.
10. the manufacture method of the arbitrary described environmental-protective filter filter paper of claim 1-9, is characterized in that, comprises the steps:
1) silane coupler and diluent are added in far-infared ceramic powder and fully stir after 10～30min, leave standstill 5～10min, 80～120 ℃ of oven dry;
2) far-infared ceramic powder after step 1) surface preparation, sepiolite nanofiber, sizing agent are added in the wood pulp of accomplishing fluently simultaneously, adopt mechanical agitation, make it to mix, the tune that adds water is subsequently dense to 3.0～3.5%, makes slurries;
3) slurries moulding, squeeze, be dried to mass dryness fraction 92～95%, press polish and arrangement and obtain required filter paper.
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