CN102154954B - Automobile air-filtration paper suitable for desert district and preparation method - Google Patents
Automobile air-filtration paper suitable for desert district and preparation method Download PDFInfo
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- CN102154954B CN102154954B CN2011101198942A CN201110119894A CN102154954B CN 102154954 B CN102154954 B CN 102154954B CN 2011101198942 A CN2011101198942 A CN 2011101198942A CN 201110119894 A CN201110119894 A CN 201110119894A CN 102154954 B CN102154954 B CN 102154954B
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Abstract
The invention belongs to the technical field of filtration paper and discloses an automobile air-filtration paper suitable for a desert district and a preparation method. The technical scheme of the preparation method is as follows: firstly respectively malnufacturing an upper wood fiber layer and a lower wood fiber layer which are used for forming the filtration paper, then superposing the two fiber layers, carrying out vacuumizing so as to draw out moisture in the two fiber layers, leading the two fiber layers to form a mutual felting single-layer structure, drying the single-layer structure so as to form a fiber filtration paper blank, dip-coating the resin on the filtration paper blank and then drying, thereby forming the automobile air-filtration paper suitable for the desert district. The prepared automobile air-filtration paper suitable for the desert district not only has higher filtration degree, but also can ensure the filtration efficiency of the filtration paper.
Description
Technical field
The invention belongs to the filter paper technical field, relate in particular to a kind of desert area automobile air filter paper and preparation method of being applicable to.
Background technology
Being used in the air paper in the car combustion engine, is the important composition that constitutes air filter, and is determining the performance of air filter.At present, the structure that is used in the filter paper of air cleaner in the higher adverse circumstances of granule dust content in the air such as dust storm is for the dip-coating resin bed forms in the two sides of single xylon layer.Wherein, the porosity that increases filter paper holds dirt performance, the single layer fibre layer structure that this filter paper is processed after then adopting hardwood pulp and the long stapled mercerization wood pulp of needle pine slurry, the staple fibre of medium-length fibre to mix for improving it.The filter paper of this structure is that three kinds of fiber mixing are processed and had a following defective: one of which; Formed filter paper fibre hole not only on same aspect pore size differ; And also be in random shape in axial its aperture of fiber holes; During this filter paper filtering air; Owing to can be very soon stopped up by granule dust in its windward side, make the hardwood pulp fiber that is used to regulate the filter paper aperture and the effect of the mercerization wood pulp that is used to regulate air permeability to give full play to, this filter paper exists the defective that dust containing capacity is little, service life is short; They are two years old; This filter paper is in the preparation process; Because in being, long and short three kinds of wood pulp fibres mix, staple fibre can sink in slurries, long fiber can float on the surface, the filter opening of the filter paper that therefore makes can form the bell mouth shape structure as Fig. 1 describedly is shaped as suitable for reading 1 greatly, end opening 2 is little.This preparation technology can not prepare realization three kinds of fibers are mixed, form hole filter paper of uniform size up and down uniformly, and this filter paper does not have enough big porosity and dust containing capacity and filter efficiency lower yet.Therefore, the filter paper that utilizes method for preparing to go out is used in that its life-span can be not oversize yet in the adverse circumstances.
Summary of the invention
First purpose of the present invention just provides and a kind ofly can be applicable under the many conditions of sand and dust granule content and the car combustion engine air paper of long service life.
Second purpose of the present invention just provides a kind of preparation method who prepares above-mentioned car combustion engine air paper.
In order to realize the present invention's first purpose, the technical scheme that the present invention adopts is:
A kind of desert area automobile air filter paper that is applicable to is made up of through adsorbing directly to be compounded to form the filter paper blank and to soak the resin of Tu on said filter paper blank upper and lower two-layer wood fibre layer; Wherein, described wooden fibrage is that needle pine fiber and mercerization xylon mix formation, and described wood fibre layer down is that broad-leaved wood fiber constitutes.
In addition, the upper and lower surface of said filter paper blank soaks Tu has resin bed; Said wooden fibrage is that 70-85 gram/square centimeters, said wood fibre layer down are 45-60 gram/square centimeters.
In order to realize the present invention's second purpose, the technical scheme that the present invention adopts does, prepare the above-mentioned method of the abominable regional car combustion engine air paper of air conditions that is applicable to be:
The formation of manufacturing paper with pulp out at first respectively filter paper overwood fibrage and following xylon layer; Then this two fibrage is superimposed and vacuumizes the moisture of extracting out in said two fibrages; Make two fibrages form the single layer structure that mutual felt is pricked; Form the fiber filter paper blank through oven dry, oven dry behind the filter paper blank dip-coating resin is promptly formed be applicable to desert area automobile air filter paper.
Provided by the present inventionly be applicable to desert area automobile air filter paper and preparation method compared with prior art, have the following advantages:
---constitute owing to constituting of the needle pine fiber and the mixing of mercerization xylon of this last wooden fibrage that is applicable to desert area automobile air filter paper by middle length; This fibrolaminar aperture is big, have bigger porosity; And owing to exist the middle short fiber of few part in the needle pine fiber; In the preparation process, make the aperture can form bell mouth shape, this fibrage that therefore constitutes the filter paper windward side has the stronger dirt of receiving and holds dirty ability; The fibrage that constitutes the filter paper bottom simultaneously is that the broad-leaved wood fiber of staple fibre constitutes, and this fibrage has less fiber holes aperture, can guarantee the filtering accuracy of filter paper; Therefore this filter paper not only has higher filtering accuracy, and can guarantee the filter efficiency of filter paper.
---because the preparation section of above-mentioned car combustion engine air paper is with wet different range upon range of adding together of xylon of two fibre lengths; Extract its moisture out through vacuumizing again; Make two-layer formation prick sticking one deck structure that is each other; Oven dry back forms the filter paper blank, and promptly two fibre layers penetrates in needle pine fiber and the mercerization wood fibre layer with the fiber head of the broad-leaved wood fiber layer of air-flow direction when vacuumizing; Making two fibre layers prick each other thus sticks together; Make the fiber holes between the wooden fibrage of bottom fiber layer and upper strata that broad-leaved wood fiber constitutes not be destroyed, therefore improved its porosity relatively and held the dirt rate, prolonged its service life.
Description of drawings
Fig. 1 is the structural representation of prior art car combustion engine air paper;
Fig. 2 is the structural representation that is applicable to desert area automobile air filter paper;
Fig. 3 is the process flow diagram of the above-mentioned car combustion engine air paper of preparation.
The specific embodiment
Below in conjunction with accompanying drawing a kind of structure of desert area automobile air filter paper that is applicable to provided by the invention is explained further details.
As shown in Figure 2, be a kind of structural representation that is applicable to desert area automobile air filter paper provided by the invention.The structure that constitutes this air paper is mixed the last fibrage 17 that constitutes and is constituted time fibrage 18 and the resin bed 3 and 4 that behind the dip-coating resin, forms constitutes by broad-leaved wood fiber by needle pine fiber and mercerization xylon.Fibrage 18 is the windward side in this air paper, and constituting down by broad-leaved wood fiber, fibrage 18 gets outlet air surface for after filtering.In the formation of this air paper; According to the internal combustion engine that is used in different capacity; The last wooden fibrage that is mixed the windward side that constitutes by needle pine fiber and mercerization xylon is chosen between 70-85 gram/square centimeters, and fibrage 18 is chosen in 45-60 gram/square centimeters under the outlet air surface that is made up of broad-leaved wood fiber.Can fully hold dirt so that the space in this windward side wood fibre layer has enough greatly like this, improve the service life of the filter paper that is constituted; And the outlet air surface that is made up of broad-leaved wood fiber can satisfy the requirement to the precision of filter paper filtering because its aperture is less.
Be illustrated in figure 3 as the process flow diagram of the above-mentioned car combustion engine air paper of preparation; Promptly this flow process comprises; The slurry net 5,6 that drives through actuating unit simultaneously by fiber pulp prepare wet by needle pine fiber and mercerization xylon mix the last fibrage 7 that forms and the going out that form by broad-leaved wood fiber under fibrage 8; Then two fibre layers is superimposed and gets into vacuum chamber 9; Through the moisture in the above-mentioned two-layer wet fiber layer of vacuum device 13 extractions; Make two fibre layers form the sticking single layer structure 10 of mutual bundle, get into drying chamber 11 oven dry then and form fiber filter paper blanks 12, with the filter paper blank through dip-coating resin operation 14, second drying mechanism 15 and roll that mechanism 16 can prepare that the utility model patent application provided can be applicable to desert area automobile air filter paper.
The car combustion engine air paper that present patent application provided; Mix a loose thick layer that constitutes and the thin closely layer bilaminar fiber layer that broad-leaved wood fiber constitutes for needle pine fiber and mercerization xylon and be composited, be filtered fluid media (medium) and flow into, from fine and closely woven hole fibrage outflow from thick and porosity crack fibrage; Impurity mainly is intercepted in the thick layer macrovoid; Because thick layer interstitial space is big, has huge dust capaciting ability, thereby prolong filter member service life greatly; And filtration resistance (pressure reduction) is low, and the tight and tiny hole of thin layer further tackled with the minute impurities particulate less in the fluid media (medium) of thick layer filtration back.Effectively guarantee filtering accuracy, given full play to the combination property of each filtering material layer.Make that the advantage of various xylons is embodied fully.
Claims (3)
1. one kind is applicable to desert area automobile air filter paper, it is characterized in that: directly be compounded to form the filter paper blank and the resin of dip-coating on said filter paper blank constitutes by upper and lower two-layer wood fibre layer through adsorbing; Wherein, described needle pine fiber and the mercerization xylon mixing formation that wooden fibrage is a 70-85 gram/square centimeter, the broad-leaved wood fiber formation that described wood fibre layer down is a 45-60 gram/square centimeter of.
2. a kind of desert area automobile air filter paper that is applicable to according to claim 1, it is characterized in that: the upper and lower surface dip-coating of said filter paper blank has resin bed.
3. preparing the described a kind of method of desert area automobile air filter paper that is applicable to of claim 1 is: the formation of manufacturing paper with pulp out at first respectively filter paper overwood fibrage and following xylon layer; Then this two fibrage is superimposed and vacuumizes the moisture of extracting out in said two fibrages; Make two fibrages form the single layer structure that mutual felt is pricked; Form the fiber filter paper blank through oven dry, oven dry behind the filter paper blank dip-coating resin is promptly formed be applicable to desert area automobile air filter paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101198942A CN102154954B (en) | 2011-05-10 | 2011-05-10 | Automobile air-filtration paper suitable for desert district and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101198942A CN102154954B (en) | 2011-05-10 | 2011-05-10 | Automobile air-filtration paper suitable for desert district and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102154954A CN102154954A (en) | 2011-08-17 |
| CN102154954B true CN102154954B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101198942A Expired - Fee Related CN102154954B (en) | 2011-05-10 | 2011-05-10 | Automobile air-filtration paper suitable for desert district and preparation method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911908A (en) * | 2014-03-20 | 2014-07-09 | 杭州特种纸业有限公司 | Air filter paper |
| CN106012647B (en) * | 2016-05-18 | 2017-11-17 | 杭州新华集团有限公司 | A kind of preparation method of engine air filter cellulose composite filter element material |
| CN106215513B (en) * | 2016-08-12 | 2018-12-18 | 浙江理工大学 | A kind of preparation method of the green composite filter element material of indoor air cleaner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211872U (en) * | 1987-08-19 | 1988-03-23 | 国家建筑材料工业局南京玻璃纤维研究设计院 | Double face compound glass fibre filter paper |
| CN1157578A (en) * | 1994-05-24 | 1997-08-20 | 赫尔丁过滤技术有限公司 | Fibre-coated filter element and process for manufacturing the same |
| US6889852B1 (en) * | 1999-01-08 | 2005-05-10 | N.V. Bekaert S.A. | Layered filtering structure |
| CN201049262Y (en) * | 2007-04-11 | 2008-04-23 | 王五臣 | Composite air filtering paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070067884A (en) * | 2005-12-26 | 2007-06-29 | (주)크린앤사이언스 | Filter element for cleaning air and process for preparing the same |
-
2011
- 2011-05-10 CN CN2011101198942A patent/CN102154954B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211872U (en) * | 1987-08-19 | 1988-03-23 | 国家建筑材料工业局南京玻璃纤维研究设计院 | Double face compound glass fibre filter paper |
| CN1157578A (en) * | 1994-05-24 | 1997-08-20 | 赫尔丁过滤技术有限公司 | Fibre-coated filter element and process for manufacturing the same |
| US6889852B1 (en) * | 1999-01-08 | 2005-05-10 | N.V. Bekaert S.A. | Layered filtering structure |
| CN201049262Y (en) * | 2007-04-11 | 2008-04-23 | 王五臣 | Composite air filtering paper |
Non-Patent Citations (1)
| Title |
|---|
| 鲍漫秋等.汽车工业滤纸现状及发展趋势.《上海造纸》.2006,第37卷(第4期),第40-42页. * |
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| CN102154954A (en) | 2011-08-17 |
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Owner name: HENGSHUI NATIONAL PRESTIGE FILTER PAPER CO., LTD. Effective date: 20120504 |
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Effective date of registration: 20120504 Address after: 053600, Hongqi Street, Anping County, Hebei, Hengshui 237 Applicant after: Zhang Heting Address before: 053600, Hongqi East Street, Anping County, Hebei, Hengshui 237 Applicant before: Zhang Heting |
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Owner name: HEBEI GUOWEI SPECIAL PAPER CO., LTD. Free format text: FORMER OWNER: HENGSHUI NATIONAL PRESTIGE FILTER PAPER CO., LTD. Effective date: 20130308 |
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Effective date of registration: 20130308 Address after: 053600 Anping County Industrial Park, Hebei, Hengshui Patentee after: Hebei Paul Special Paper Co. Ltd. Address before: 053600, Hongqi Street, Anping County, Hebei, Hengshui 237 Patentee before: Zhang Heting |
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Address after: 053600 Anping County Industrial Park, Hebei, Hengshui Patentee after: HEBEI NATIONAL PRESTIGE NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 053600 Anping County Industrial Park, Hebei, Hengshui Patentee before: Hebei Paul Special Paper Co. Ltd. |
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