CN103406738A - Preparation method of metal fiber porous absorbent material - Google Patents
Preparation method of metal fiber porous absorbent material Download PDFInfo
- Publication number
- CN103406738A CN103406738A CN2013103702482A CN201310370248A CN103406738A CN 103406738 A CN103406738 A CN 103406738A CN 2013103702482 A CN2013103702482 A CN 2013103702482A CN 201310370248 A CN201310370248 A CN 201310370248A CN 103406738 A CN103406738 A CN 103406738A
- Authority
- CN
- China
- Prior art keywords
- metallic fiber
- steel plate
- blank felt
- fiber blank
- felt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Powder Metallurgy (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention provides a preparation method of a metal fiber porous absorbent material. The preparation method comprises the following steps of 1, sequentially performing ultrasonic cleaning, drying and surface leveling processing on metal fiber blank felts with certain specifications; 2, horizontally laying a first steel plate in a sintering furnace, laying multiple layers of metal fiber blank felts on the first steel plate, trimming the laid metal fiber blank felts, and laying a second steel plate on the metal fiber blank felts; 3, performing sintering, removing the first steel plate and the second steel plate, and performing rolling through a roller press to obtain the metal fiber porous absorbent material. The preparation method is simple in preparation process, strong in operability and capable of achieving industrial production easily. The balance moisture absorption rate of the metal fiber porous absorbent material prepared by the preparation method can reach 68%-85%, the metal fiber porous absorbent material is good in water absorption, and new application of the metal fiber porous absorbent material besides traditional functions of filtering, sound absorption and the like is exploited.
Description
Technical field
The invention belongs to the porous material processing technique field, be specifically related to a kind of preparation method of metallic fiber porous water-absorbing material.
Background technology
Metal fiber polyporous material is as third generation metal polyporous material, stable except having the distinctive hole shape of metal polyporous material, can process, can weld etc. outside advantage, also have dust containing capacity concurrently large, flexible foldable, the series of advantages such as pore structure can design arbitrarily, its porosity can regulate and control between 60%～98%, and be the full-mesh pore structure, can be widely used in isolated by filtration, damping buffering, sqouynd absorption lowering noise, electromagnetic shielding, the field such as efficient burning and enhanced heat exchange, therefore metal fiber polyporous material is the new structure functions formed material of recent domestic extensive concern.
Metal fiber polyporous material, except being applied to above-mentioned field, can also be applied to some special dimension as absorbent material.At present, absorbent material mainly adopts one or more compound being prepared from such as macromolecule, vermiculite, cellulose, resin, yet these absorbent materials (as high temperature or wider range, fluid corrosive environment etc.) in harsh working environment will there will be aging or embrittlement phenomenon, thereby shorten its service life, and its balance Moisture absorption rate is all lower than 20%.Metal fiber polyporous material is due to the inherent characteristic of itself corrosionproof heatproof, has the feasibility that is applied to be used as in the environment such as corrosion-resistant, high temperature resistant absorbent material.Yet, metal fiber polyporous material is mainly to utilize capillary theory to absorb water, this is just closely related with parameters such as the fiber string diameter of material, material thickness, material porosity, material apertures, because factors is difficult for Comprehensive Control, cause the Recent Progresses In The Development of metallic fiber porous water-absorbing material slow.
Up to now, the preparation method who not yet finds metal fiber multihole absorbent material is seen in report.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of metallic fiber porous water-absorbing material for above-mentioned the deficiencies in the prior art.The method preparation technology is simple, workable, is easy to realize suitability for industrialized production.The balance Moisture absorption rate of metallic fiber porous water-absorbing material prepared by employing the method reaches 68%～85%, and water absorbing properties is good, has opened up the new application of a kind of metal fiber polyporous material beyond the traditional functions such as filtration, sound absorption.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of preparation method of metallic fiber porous water-absorbing material, it is characterized in that, and the method comprises the following steps:
Step 1, be 8 μ m～20 μ m by string diameter, substance is 400g/m
2～800g/m
2The metallic fiber blank felt carry out successively Ultrasonic Cleaning, drying and surfacing processing;
The preparation method of above-mentioned a kind of metallic fiber porous water-absorbing material, is characterized in that, the blank felt of metallic fiber described in step 1 is aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt.
The preparation method of above-mentioned a kind of metallic fiber porous water-absorbing material, it is characterized in that, in step 2, the process of deployment of the described metallic fiber blank felt of multilayer is: first first layer metal fiber blank felt is laid on the first steel plate, then each layer metallic fiber blank felt is all laid after 10 °～25 ° of relatively last layer metallic fiber blank felt directional-rotations by all the other.
The preparation method of above-mentioned a kind of metallic fiber porous water-absorbing material, is characterized in that, the laying number of plies of the blank felt of metallic fiber described in step 2 is 20 layers～50 layers.
The preparation method of above-mentioned a kind of metallic fiber porous water-absorbing material is characterized in that sintering described in step 3 carries out under vacuum condition.
The laying number of plies of metallic fiber blank felt of the present invention can calculate according to following formula:
In formula, n is the laying number of plies of metallic fiber blank felt; ρ is the density of compact metal, and unit is g/cm
3θ is the porosity of metallic fiber porous water-absorbing material, and unit is %; H is the thickness of metallic fiber porous water-absorbing material, and unit is mm; S is the cross-sectional area of metallic fiber porous water-absorbing material, and unit is mm
2M is the weight of every layer of metallic fiber blank felt, and unit is g.
The water absorbing properties of metallic fiber porous water-absorbing material of the present invention characterizes by the balance Moisture absorption rate, and the computing formula of balance Moisture absorption rate is:
In formula, W is the balance Moisture absorption rate, and unit is %; M is the material weight that absorbs water to constant weight, and unit is g; M
oFor the material weight before absorbing water, unit is g.
The present invention compared with prior art has the following advantages:
1, preparation technology of the present invention is simple, workable, is easy to realize suitability for industrialized production.
2, the present invention is by adopting the steel plate of certain specification to suppress at metallic fiber blank felt top, can shrink by acceleration of sintering on the one hand, aperture is reduced gradually, can avoid on the other hand material to occur that Texturized, uneven distribution, planarization are poor, the unequal shortcoming in aperture; And by the technological parameters such as metal fiber wire warp, blank felt substance, material porosity, material thickness are screened in a large number and optimize, make the porosity of prepared metallic fiber porous water-absorbing material reach 70%～85%, aperture little (maximum diameter of hole is no more than 15 μ m), and pore-size distribution is comparatively even; So its capillary water suction phenomenon can be significantly brought into play in a large amount of and small hole under wet condition, thereby makes metal fiber polyporous material show good water absorbing properties.
3, the balance Moisture absorption rate of the metallic fiber porous water-absorbing material for preparing of the present invention is 68%～85%, and the balance Moisture absorption rate far above existing metal fiber polyporous material, illustrate that metal fiber polyporous material prepared by the present invention has good water absorbing properties.
4, the present invention is by great many of experiments and optimization, finally prepare a kind of metallic fiber porous water-absorbing material with good water absorbing properties, open up the new application of a kind of metal fiber polyporous material beyond the traditional functions such as filtration, sound absorption, had wide development space.
5, the present invention also can be optimized design and control the structure of absorbent material according to actual condition, in order to prepare the absorbent material of the various structures with excellent water absorbing properties, thereby is widely used in the various environment such as high temperature resistant, corrosion-resistant.
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is layed in the metallic fiber blank felt between the first steel plate and the second steel plate.
Description of reference numerals:
1-metallic fiber blank felt; The 2-the second steel plate; The 3-the first steel plate.
The specific embodiment
Embodiment 1
In conjunction with Fig. 1, the preparation method of the present embodiment metallic fiber porous water-absorbing material comprises the following steps:
Step 1, by string diameter be
, substance is 750g/m
2Metallic fiber blank felt 1 carry out successively Ultrasonic Cleaning, drying and surfacing processing; Described metallic fiber blank felt 1 is preferably aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt, the stainless steel fibre blank felt that the concrete metallic fiber blank felt 1 adopted of the present embodiment is produced for Xi'an Filter Metal Materials Co., Ltd.;
Utilize SEM to record the present embodiment metallic fiber porous water-absorbing material and really be loose structure, and pore-size distribution is comparatively even.The maximum diameter of hole that records the present embodiment metallic fiber porous water-absorbing material according to standard GB/T/T5249-1985 " mensuration in permeability sintered metal materials, bubble sample aperture " is 10 μ m.It is 25 ℃ ± 3 ℃ that the present embodiment metallic fiber porous water-absorbing material is positioned over to temperature, and relative humidity is to carry out the water absorbing properties test in 65% ± 3% constant temperature humidity chamber, records its balance Moisture absorption rate data in Table 1.
In conjunction with Fig. 1, the preparation method of the present embodiment metallic fiber porous water-absorbing material comprises the following steps:
Step 1, by string diameter be
, substance is 800g/m
2Metallic fiber blank felt 1 carry out successively Ultrasonic Cleaning, drying and surfacing processing; Described metallic fiber blank felt 1 is preferably aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt, the iron-chromium-aluminum blank felt that the concrete metallic fiber blank felt 1 adopted of the present embodiment is produced for Xi'an Filter Metal Materials Co., Ltd.;
Utilize SEM to record the present embodiment metallic fiber porous water-absorbing material and really be loose structure, and pore-size distribution is comparatively even.The maximum diameter of hole that records the present embodiment metallic fiber porous water-absorbing material according to standard GB/T/T5249-1985 " mensuration in permeability sintered metal materials, bubble sample aperture " is 12 μ m.It is 25 ℃ ± 3 ℃ that the present embodiment metallic fiber porous water-absorbing material is positioned over to temperature, and relative humidity is to carry out the water absorbing properties test in 65% ± 3% constant temperature humidity chamber, records its balance Moisture absorption rate data in Table 1.
In conjunction with Fig. 1, the preparation method of the present embodiment metallic fiber porous water-absorbing material comprises the following steps:
Step 1, by string diameter be
, substance is 800g/m
2Metallic fiber blank felt 1 carry out successively Ultrasonic Cleaning, drying and surfacing processing; Described metallic fiber blank felt 1 is preferably aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt, the copper fiber blank felt that the concrete metallic fiber blank felt 1 adopted of the present embodiment is produced for Xi'an Filter Metal Materials Co., Ltd.;
Utilize SEM to record the present embodiment metallic fiber porous water-absorbing material and really be loose structure, and pore-size distribution is comparatively even.The maximum diameter of hole that records the present embodiment metallic fiber porous water-absorbing material according to standard GB/T/T5249-1985 " mensuration in permeability sintered metal materials, bubble sample aperture " is 13 μ m.It is 25 ℃ ± 3 ℃ that the present embodiment metallic fiber porous water-absorbing material is positioned over to temperature, and relative humidity is to carry out the water absorbing properties test in 65% ± 3% constant temperature humidity chamber, records its balance Moisture absorption rate data in Table 1.
Embodiment 4
In conjunction with Fig. 1, the preparation method of the present embodiment metallic fiber porous water-absorbing material comprises the following steps:
Step 1, by string diameter be
, substance is 400g/m
2Metallic fiber blank felt 1 carry out successively Ultrasonic Cleaning, drying and surfacing processing; Described metallic fiber blank felt 1 is preferably aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt, the aluminum fiber blank felt that the concrete metallic fiber blank felt 1 adopted of the present embodiment is produced for Xi'an Filter Metal Materials Co., Ltd.;
Utilize SEM to record the present embodiment metallic fiber porous water-absorbing material and really be loose structure, and pore-size distribution is comparatively even.The maximum diameter of hole that records the present embodiment metallic fiber porous water-absorbing material according to standard GB/T/T5249-1985 " mensuration in permeability sintered metal materials, bubble sample aperture " is 15 μ m.It is 25 ℃ ± 3 ℃ that the present embodiment metallic fiber porous water-absorbing material is positioned over to temperature, and relative humidity is to carry out the water absorbing properties test in 65% ± 3% constant temperature humidity chamber, records its balance Moisture absorption rate data in Table 1.
Embodiment 5
In conjunction with Fig. 1, the preparation method of the present embodiment metallic fiber porous water-absorbing material comprises the following steps:
Step 1, by string diameter be
, substance is 550g/m
2Metallic fiber blank felt 1 carry out successively Ultrasonic Cleaning, drying and surfacing processing; Described metallic fiber blank felt 1 is preferably aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt, the stainless steel fibre blank felt that the concrete metallic fiber blank felt 1 adopted of the present embodiment is produced for Xi'an Filter Metal Materials Co., Ltd.;
Utilize SEM to record the present embodiment metallic fiber porous water-absorbing material and really be loose structure, and pore-size distribution is comparatively even.The maximum diameter of hole that records the present embodiment metallic fiber porous water-absorbing material according to standard GB/T/T5249-1985 " mensuration in permeability sintered metal materials, bubble sample aperture " is 14 μ m.It is 25 ℃ ± 3 ℃ that the present embodiment metallic fiber porous water-absorbing material is positioned over to temperature, and relative humidity is to carry out the water absorbing properties test in 65% ± 3% constant temperature humidity chamber, records its balance Moisture absorption rate data in Table 1.
The balance Moisture absorption rate of the metallic fiber porous water-absorbing material of table 1 embodiment of the present invention 1 to 5 preparation
As shown in Table 1, the balance Moisture absorption rate of the metallic fiber porous water-absorbing material of the embodiment of the present invention 1 to 5 preparation reaches 68～85%, far above existing metal fiber polyporous material, illustrate that metallic fiber porous water-absorbing material prepared by the present invention has good water absorbing properties, opened up the new application of a kind of metal fiber polyporous material beyond the traditional functions such as filtration, sound absorption.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions.Every any simple modification, change and equivalence of above embodiment being done according to the invention technical spirit changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (5)
1. the preparation method of a metallic fiber porous water-absorbing material, is characterized in that, the method comprises the following steps:
Step 1, be 8 μ m～20 μ m by string diameter, substance is 400g/m
2～800g/m
2Metallic fiber blank felt (1) carry out successively Ultrasonic Cleaning, drying and surfacing processing;
Step 2, the first steel plate (3) level is laid in sintering furnace, again the metallic fiber blank felt (1) after surfacing processing in the multilayer step 1 is laid on the first steel plate (3), then the metallic fiber blank felt (1) after laying cuts processing, afterwards the second steel plate (2) is layed in to the top of the metallic fiber blank felt (1) after cutting; Described the first steel plate (3), the second steel plate (2) and cut after the shape of cross section of metallic fiber blank felt (1) be square, and the cross section length of side of the metallic fiber blank felt (1) after cutting is 300mm～500mm, the cross section length of side of the first steel plate (3) and the second steel plate (2) is all than the large 100mm～200mm of the cross section length of side of the metallic fiber blank felt (1) after cutting; The thickness of described the second steel plate (2) is 3mm～4mm;
Step 3, utilize sintering furnace to carry out sintering to the metallic fiber blank felt (1) be layed in step 2 between the first steel plate (3) and the second steel plate (2), sintering temperature is 0.8 times～0.95 times of metallic fiber blank felt (1) fusing point, sintering time is 1h～4h, after cooling with stove, remove the first steel plate (3) and the second steel plate (2), then with roll squeezer, carry out roll-in, obtaining thickness is 10mm～50mm, and porosity is 70%～85% metallic fiber porous water-absorbing material.
2. the preparation method of a kind of metallic fiber porous water-absorbing material according to claim 1, it is characterized in that, the blank felt of metallic fiber described in step 1 (1) is aluminum fiber blank felt, copper fiber blank felt, stainless steel fibre blank felt or iron-chromium-aluminum blank felt.
3. the preparation method of a kind of metallic fiber porous water-absorbing material according to claim 1, is characterized in that, the laying number of plies of the blank felt of metallic fiber described in step 2 (1) is 20 layers～50 layers.
4. the preparation method of a kind of metallic fiber porous water-absorbing material according to claim 1, it is characterized in that, in step 2, the process of deployment of multiple layer metal fiber blank felt (1) is: first first layer metal fiber blank felt is laid on to the first steel plate (3) upper, then each layer metallic fiber blank felt is all laid after 10 °～25 ° of relatively last layer metallic fiber blank felt directional-rotations by all the other.
5. the preparation method of a kind of metallic fiber porous water-absorbing material according to claim 1, is characterized in that, sintering described in step 3 carries out under vacuum condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370248.2A CN103406738B (en) | 2013-08-22 | 2013-08-22 | A kind of preparation method of metallic fiber porous water-absorbing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370248.2A CN103406738B (en) | 2013-08-22 | 2013-08-22 | A kind of preparation method of metallic fiber porous water-absorbing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406738A true CN103406738A (en) | 2013-11-27 |
| CN103406738B CN103406738B (en) | 2015-11-18 |
Family
ID=49599804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310370248.2A Active CN103406738B (en) | 2013-08-22 | 2013-08-22 | A kind of preparation method of metallic fiber porous water-absorbing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103406738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468518A (en) * | 2020-04-30 | 2020-07-31 | 南京大学 | Fiber capillary water distribution pipe, water distribution system and water distribution method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122015A (en) * | 1977-06-06 | 1978-10-24 | Nippon Seisen Co., Ltd. | Fortified metal filter and its preparative procedure |
| JPH08504692A (en) * | 1992-12-18 | 1996-05-21 | ナムローゼ フェンノートシャップ ベッカルト エス．エー． | Porous sintered laminate containing metal fiber |
| CN101607157A (en) * | 2009-04-17 | 2009-12-23 | 河北小蜜蜂工具集团有限公司 | A kind of manufacture method of iron-chromium-aluminum metal fiber filter material |
| CN103031461A (en) * | 2012-12-24 | 2013-04-10 | 大连理工大学 | Design method for noise-absorption metal fibrous porous material, metal fibrous porous material and preparation method thereof |
-
2013
- 2013-08-22 CN CN201310370248.2A patent/CN103406738B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122015A (en) * | 1977-06-06 | 1978-10-24 | Nippon Seisen Co., Ltd. | Fortified metal filter and its preparative procedure |
| JPH08504692A (en) * | 1992-12-18 | 1996-05-21 | ナムローゼ フェンノートシャップ ベッカルト エス．エー． | Porous sintered laminate containing metal fiber |
| CN101607157A (en) * | 2009-04-17 | 2009-12-23 | 河北小蜜蜂工具集团有限公司 | A kind of manufacture method of iron-chromium-aluminum metal fiber filter material |
| CN103031461A (en) * | 2012-12-24 | 2013-04-10 | 大连理工大学 | Design method for noise-absorption metal fibrous porous material, metal fibrous porous material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 乔吉超: "金属纤维多孔材料的压缩行为", 《稀有金属材料与工程》, no. 12, 31 December 2008 (2008-12-31), pages 2173 - 2176 * |
| 周伟: "多孔金属纤维烧结板制造及在制氢微反应器中的作用机理", 《中国博士学位论文全文数据库》, no. 11, 15 November 2010 (2010-11-15) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468518A (en) * | 2020-04-30 | 2020-07-31 | 南京大学 | Fiber capillary water distribution pipe, water distribution system and water distribution method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103406738B (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5701390B2 (en) | Gypsum panel with excellent sound absorption characteristics and method for producing the same | |
| Jeon et al. | Characterization of biocomposite using coconut oil impregnated biochar as latent heat storage insulation | |
| CN101607157B (en) | Method for manufacturing iron-chromium-aluminum metal fiber filter material | |
| JP4994446B2 (en) | Method for producing medium / high temperature exhaust gas treatment filter using foam coating and filter produced thereby | |
| CN108995329B (en) | Sound absorption felt | |
| FR2977889B1 (en) | HIGH PERFORMANCE THERMAL INSULATION MATERIALS | |
| JP6398900B2 (en) | Inorganic fiber sheet manufacturing method, fired body, and honeycomb filter | |
| RU2015144110A (en) | BUILDING PLATE WITH ACOUSTIC FOAM | |
| CN105358753B (en) | Wet-laying heelpiece for absorbing ceiling brick | |
| CN103406738B (en) | A kind of preparation method of metallic fiber porous water-absorbing material | |
| US10066342B2 (en) | Wet-laid nonwoven including thermoplastic fiber | |
| RU2007103520A (en) | HEAT RESISTANT HIGH POROUS FIBROUS HEAT INSULATION AND SOUND ABSORBING MATERIAL AND METHOD FOR ITS MANUFACTURE | |
| CN109038293A (en) | A kind of outdoor substation noise reduction sound barrier | |
| JP7297218B2 (en) | High noise reduction factor, low density acoustic tiles | |
| CN100435955C (en) | Oriented copper fiber sintering felt serving as catalyst carrier and its making process | |
| JP2014053270A5 (en) | ||
| JP6039820B2 (en) | Manufacturing method of ceramic filter | |
| IN2012DN00535A (en) | ||
| JP6887661B2 (en) | Sound absorber | |
| CN204590305U (en) | A kind of sound-absorbing type construction wall structure | |
| CN204911826U (en) | Inhale sound and fall centrifugal separator casing of making an uproar | |
| CN104373751A (en) | Different-length-diameter-ratio VIP (vacuum insulated panel) glass fiber core material | |
| JP2024504829A (en) | Porous block material and electronic device thereof, device capable of reducing wind noise, and its application | |
| JP2007239931A (en) | Vacuum heat insulation material | |
| CN210459747U (en) | Sintered porous brick capable of insulating sound |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |