CN103132346B - Fabric as combustor covering, and its making method - Google Patents
Fabric as combustor covering, and its making method Download PDFInfo
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- CN103132346B CN103132346B CN201310063660.XA CN201310063660A CN103132346B CN 103132346 B CN103132346 B CN 103132346B CN 201310063660 A CN201310063660 A CN 201310063660A CN 103132346 B CN103132346 B CN 103132346B
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Abstract
The invention provides a fabric as a combustor covering, and its making method. The fabric has a fluffy and dispersed metal fiber mesh structure and is obtained through weaving single or multiple filament metal fiber composite yarns containing an isolation material, and removing the isolation material. The fluffy characteristic of the fabric can be obtained only through the method. The fabric has the advantages possessed by a plurality of metal yarn fabrics obtained through twisting metal filaments (or bundled drawing metal fibers), has the characteristics of stable ventilation value, stable service life, and reservation of partial advantages of the cut metal fiber fabrics, and solves the key product application range restricting defects comprising bad infrared effect, easy tempering of infrared combustion of fabrics obtained through twisting the metal filaments (or the bundled drawing metal fibers) through original technologies.
Description
Technical field
The present invention relates to a kind of fabric, particularly one is as the fabric of gas burner covering (burner cover) and semi-finished product thereof, and their preparation method.
Background technology
As everyone knows, pre-mixing type combustion apapratus is easier to allow complete combustion of fuel, and significantly reduces CO and NO
xdischarge, but due to structure problem, the possibility of pre-mixing type combustion apapratus generation tempering (flashback) is larger, and for preventing tempering, burner design can more complicated and heavy.Therefore, be just developed with the covering improving foregoing problems for covering this housing case surface.See Fig. 1,2, outer wall 5 and bottom surface 2 form a container cavity, and surface 3 has several hole 4.Burner covering in order to cover the surface 3 of the housing case 1 of the burner shown in Fig. 1, to strengthen the combustion-delaying space (distance) of burner, can improve the efficiency of heating surface of burner.The simplest burner covering is metal mesh blanket, and it can in order to increase the heating space of burner.But this type of metal mesh blanket there is no the efficiency of heating surface that Faxian work increases burner, meanwhile, when infrared combustion state because inwall temperature rise very easily tempering occurs comparatively greatly.
In addition, prior art also discloses a kind of porous ceramics covering, and it is with the burner covering containing several hole made by ceramic material.This porous ceramics covering, except increasing the heating space of burner, can also make unburned fuel gas completely, as gas, is of short durationly stored in hole, increases the chance that fuel is burned.But this type of porous ceramics covering is easily impaired because of clashing into, also easily because uneven in temperature or infrared combustion intensity is excessive and cause cracking damage.
Therefore, with metal short fiber, as cutting metal short fiber (machined metal fiber), made burner covering is just developed, as U.S. Patent number the 7th, the burner membrane (burner membrane) comprising cutting metal short fiber bundle disclosed by 053, No. 014; And the fabric comprising cutting metal short fiber bundle (machined metal fiber bundle) disclosed by No. WO97/04152, international publication, to replace aforesaid existing burner covering.Refer to Fig. 3 and Fig. 4, Fig. 3 is U.S. Patent number the 7th, the fabric as burner membrane disclosed by 053, No. 014; Fig. 4 is then with the housing case schematic diagram of the burner of the plastic film covering in Fig. 3 in Fig. 2.As shown in Figure 3, Figure 4, the multi beam cutting metal short fiber bundle 8 that is twisted by several cutting metal short fiber 7 of this fabric 6 and multi beam weft yarn 9 are made into.Especially, these cutting metal filoplumes can stretch out from metal short fiber bundle 8 and cover the open area (open zone) 10 that these cutting metal short fiber bundles 8 are formed with weft yarn 9.In addition, when this fabric 6 being covered burner housing case surperficial, these cutting metal filoplumes protruding from open area 10 can improve the coverage rate (covering ratio) of fabric 6, so as to reducing the lost speed of fuel, improve the probability of complete combustion of fuel.In addition, higher coverage rate also can improve the cloth air tightness of this fabric, and contributes to being evenly distributed of fuel.Meanwhile, this construction reduce the heat transfer of fabric to burner inwall, be conducive to the cooling of mist to fabric construction, significantly reduce inwall temperature rise during infrared combustion, thus prevent the generation of tempering.
But because the fibre machinery intensity of cutting metal short fiber is more weak, and the variation of fiber wire diameter is large, be therefore easy to burner assembling, use and maintain time fracture, and then cause burner to block, affect the service life of burner.What is more, dropping of these cutting metal short fibers also can cause the coverage rate of fabric to reduce and air permeability variation increasing, and then causes the problem that cloth air tightness changes and fuel distribution is uneven.In addition, the length mentioning these Cutting Metallic Fibers due to above-mentioned patent document is only about 10 to 25 centimeters, and fibre machinery intensity is more weak, therefore great difficulty can be faced when twisting, if the twist is too low, then the cohesive force between short fiber is not enough, causes fabric intensity to decline, easily break, cause the mechanical performance of this burner membrane to decline along with service time; If the twist is too high, then make cutting metal hairiness number reduce, coverage rate reduces.
Due to pre-mixing type combustion apapratus mixed proportion and send pressure and need and the impedance match of burner covering, therefore the resistance of burner covering can not make a variation excessive, and in other words, its coverage rate is preferably wanted to keep constant.In addition, because will be used in hot environment, therefore burner covering fibre strength at high temperature wants enough just can have enough service life.Apparently, burner membrane disclosed by above-mentioned patent document utilizes the metal short fiber filoplume of cutting metal short fiber to cover open area to increase the practice of coverage rate, because fibre machinery intensity is weak, in fact, and accurately cannot control the problem that metal filoplume comes off, therefore its coverage rate also cannot ensure.In addition, because the metal fibre that above-mentioned patent document uses cutting method to make, therefore its intensity is more weak, easily ruptures, so the fabric intensity utilizing cutting metal short fiber to make also declines, therefore affects service life.
For solving the problem of above-mentioned metal short fiber burner coverage rate instability, Chinese utility model patent ZL200720146279.X describes the multi beam metallic yarn institute woven into fabric that clustered drawing provides, this fabric overcomes the defect of aforementioned cutting metal spun fabric, and it provides a kind of fabric as a burner covering.Coverage rate is not easy to change along with service time, and the metal fibre intensity that it uses is comparatively strong, and not easy fracture, therefore compared with affecting the life-span of burner also compared with the air permeability that can maintain fabric.But production process has significantly affecting to environment, need supporting environmental protection facility, thus the method production cost is higher.Meanwhile, because of the defect that clustered drawing is intrinsic, the diameter determining fiber is uneven, and fiber surface pattern is complicated, is unfavorable for the high temperature service life of fabric.
In addition, Chinese utility model patent ZL200820210982.7 describes the fabric that metal monofilament many twisted lines are made into, this utility model not only has the stable equally coverage rate of many metallic yarn institute woven into fabrics that clustered drawing obtains, and possesses cheaper processing cost and outstanding service life.But the fabric that this utility model provides also has obvious defect, because the gap between composition fabric single metal wire is too little, fabric or closely, lack elasticity, or possess elasticity but ventilative value is too large, no matter be any state, when outstanding behaviours is infrared combustion state, reach the best infrared time long, infrared poor effect, meanwhile, the most important thing is that the temperature rise of combustion chamber fabric inwall is higher, easily tempering occurs, the requirement of user can not be met under the application conditions heated needing stable infrared, seriously limiting the range of application of this fabric.
Summary of the invention
An object of the present invention is, not enough for prior art, provides a kind of air permeability to stablize, and effectively can overcome not good, the infrared reaction of the infrared quality of the original solution fabric as burner covering that is slow, easily tempering defect.
Two of object of the present invention is, can provide the semi-finished product of above-mentioned fabrics, for the preparation of above-mentioned fabrics.
Three of object of the present invention is, can prepare air permeability and stablize, and effectively can overcome the preparation method of simple, the easy processing as burner covering fabric of slow, the easy tempering defect of not good, the infrared reaction of the infrared quality of original solution.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The implementation of an object of the present invention is:
As a fabric for burner covering, described fabric be by singly restraint or multi beam containing the metal fibre complex yarn of isolated material after weaving, remove that isolated material obtains again in fluffy dispergated metal fibre reticulated structure fabric; Described metal fibre complex yarn is made up of many metal fibre long filaments and the isolated material separating metal fibre long filament.
Two of object of the present invention is:
Be used for preparing a fabric for burner covering, described fabric is by the reticulated structure of singly restrainting or multi beam metal fibre complex yarn is formed after weaving; Often restraint metal composite yarn be by many metal fibre long filaments with without the need to cementation and the isolated material be easily separated with metal fibre long filament form.
Isolated material described in such scheme is coating or immersion plating or the separation layer of plating on metal fibre, or is twisted by doubling or cored is spun or coated mode joins isolation fiber between metal fibre long filament.
The implementation of object three of the present invention is:
A kind of preparation method of the fabric as burner covering, adopt isolation fiber as isolated material, metal fibre long filament and isolation fiber is first adopted to be twisted by doubling or cored is spun or method for coating obtains the single piece of metal fiber composite yarn comprising and isolate fiber, metal fibre complex yarn described in many is added or does not add metal fibre long filament, and close and add and be twisted a branch of metal fibre complex yarn, again described list bundle or multi beam metal fibre complex yarn are woven into fabric, then the isolated material in fabric is partly or entirely removed and obtain fluffy dispersed metal fibre reticulated structure fabric.
Another kind of preparation method is: adopt dip coating or immersion plating or galvanoplastic, ooze between metal fibre long filament and be coated with or plate one deck isolated material, then dry, the obtained metal composite yarn comprising separation layer, metal fibre complex yarn described in many is added or does not add metal fibre long filament, and close and add and be twisted a branch of metal fibre complex yarn, again described list bundle or multi beam metal fibre complex yarn are woven into fabric, then the isolated material in fabric are partly or entirely removed and obtain fluffy dispersed metal fibre reticulated structure fabric.
What the isolated material selected by the present invention adopted is without the need to cementation and the material be easily separated with metal fibre long filament.Therefore, what the isolated material described in the solution of the present invention adopted is can easily remove with metal fibre long filament the material be separated through physics or chemical method, as macromolecular material or metal material (as aluminium, iron or copper etc.).
Described isolation fiber is one or more filaments in chemical fibre, cotton or other macromolecular fibre (as PVA etc.), or is the one in aluminium, iron, copper wire.
One in what the material of described separation layer adopted is macromolecular material or aluminium, iron, copper metal.
Described macromolecular material can be PVA or polyethylene glycol oxide.
Before removal isolated material or afterwards, the method for roll-in or concora crush is preferably adopted to process fabric, to adjust the ventilative value of fabric.
The material of the metal fibre long filament described in the present invention is stainless steel or Aludirome or nichrome or corronil or ferrochrome.
Equally, no matter the isolated material that the present invention selects is adopt isolation fiber or plate separation layer, and the material that physics or chemical method and metal fibre long filament all should be adopted easily to remove is advisable.
Described metal fibre long filament is obtained by single wire drawing or clustered drawing; Metal fibre filament diameter scope is 17 microns to 150 microns.
Metal fibre long filament and continuous print metal fibre, comprise the continuous metal monofilament of single wire drawing acquisition and the continuous metal fibre bundle of clustered drawing acquisition.Metal fibre long filament is the metal fibre product being different from metal fibre short fiber.Metal fibre short fiber is generally obtained through crush cutting or cut-out by metal fibre long filament, and the length of its single piece of metal fiber is generally within 200mm.
The twist of metal fibre yarn and metal fibre complex yarn is 0-400 twist/m.
Often restraint metal fibre complex yarn and add or do not add metal fibre long filament (single or many) by many metal fibre complex yarns, through and close, twist obtained, the twist of twisting is 0-400 twist/m.
The preferred concrete preparation method of fabric of the present invention is:
Adopt dip coating or immersion plating or galvanoplastic, adopt dip coating or immersion plating or galvanoplastic, ooze between metal fibre long filament and be coated with PVA, nonmetallic materials such as polyethylene glycol oxide or plate the metal isolated materials such as one deck copper, then dry, preparation comprises the metal fibre complex yarn of isolated material, metal fibre complex yarn described in many is added or is not added metal fibre long filament (single or many), and close and add and be twisted a branch of metal fibre complex yarn, described list bundle or multi beam metal fibre complex yarn are made fabric by flat weaving method or warp-knitting method or weft-knitting method or other weaving method, pass through chemistry or electrochemistry or physical method again isolated material is partly or entirely removed, fluff type fabric can be obtained.
Or, adopt isolation fiber as isolated material, metal fibre long filament and isolation fiber is first adopted to be twisted by doubling or cored is spun or method for coating obtains the single piece of metal fiber composite yarn comprising isolation fiber, metal fibre composite yarn described in many is added or is not added metal fibre long filament (single or many), and close and add and be twisted a branch of metal fibre complex yarn, again described list bundle or multi beam metal fibre complex yarn are made fabric through flat weaving method or warp-knitting method or weft-knitting method or other weaving method, by chemistry or physical method, isolated material is removed again, fluff type fabric can be obtained.
For preparing metal fibre complex yarn expeditiously, the present invention particularly preferably adopts coated method that isolation fiber is evenly coated to metal fibre filament surface; Meanwhile, for ensureing isolation effect and weaving process feasibility, preferably adopting the technique of 200-600 twist/m to process, namely isolating fiber and be coated on metal fibre filament surface in coated mode by 200-600 twist/m.
As shown in Figure 10, the gaseous fuel such as gas can via the gap between metal fibre long filaments 12 multiple in the metal fibre yarn 11 of this fabric by (as shown by the arrows in fig. 10).Because such path is longer and more complicated, therefore can postpone the loss speed of gaseous fuel, and increase uniform air distribution.The more important thing is, because metal fibre yarn 11 of the present invention forms fluffy dispersed by several metal fibre long filament 12, so the hotlist area that combustion gas can contact increases, significantly promote the probability that it burns completely, be conducive to the cooling of mist to fabric construction simultaneously, decrease the heat transfer of fabric to burner inwall, significantly improve the effect of infra-red radiation, reduce inwall temperature rise during infrared combustion, thus prevent the generation of tempering.
Experience shows, the diameter of metal fibre (monofilament) drastically influence the heatproof life-span of weaving process and fabric, and the present invention selects the diameter of metal monofilament (or fiber) to be generally between 17 microns to 150 microns, preferably between 30 microns to 50 microns.Like this, good fabric service life can be ensured, woven smooth enforcement can be ensured again.Select metal monofilament, stability and the controllability of fibre diameter can be obtained better, make the present invention can obtain more preferably service life.
Fabric of the present invention by singly restraint or multi beam metal fibre complex yarn be made into after to remove in complex yarn isolated material through process after obtain in fluffy dispersed metal fiber yarn, therefore, the infrared property of gained fabric of the present invention and the ability of anti-tempering are optimized.
Through the inventive method preparation and product configurations, the present invention can be made can to have better infrared combustion effect relative to prior art.Be below correction data when product of the present invention and utility model patent zl200820210982.7 fabric are implemented and chart: (referring to Figure 18)
1, infrared quality comparation:
More than that fabric of the present invention (being arranged in above Figure 18 picture A-D) is arranged in the below of Figure 18 picture A-D from utility model patent zl200820210982.7() the comparison diagram of the infrared effect of the surface combustion of fabric under different combustion intensity, wherein, saturate part infra-red radiation effect is poor.
Experimental condition:
Combustion intensity is followed successively by 187,281,375,437 kilowatts/square metre.Control gas supply and ensure contrast test under same combustion intensity, air supply is to reach best infrared effect for standard.
Compare for convenience of test, this contrast test adopts the simple and easy visual method differentiating infrared effect in industry, and professional test instrument can obtain similar test result.
2, the infrared reaction time compares:
| Fabric classification | Reach best infrared state average time (S) |
| Fabric of the present invention | 3-5 |
| Utility model patent zl200820210982.7 fabric | 8-12 |
The test result of these data of variable effect of textile processes, environment temperature and humidity.
3, fabric inner surface maximum temperature compares:
| Fabric classification | Fabric inner surface maximum temperature (DEG C) |
| Fabric of the present invention | 180-240 |
| Utility model patent zl200820210982.7 fabric | 280-350 |
The test result of these data of variable effect of textile processes, combustion intensity, air-fuel ratio and burner structure and burning situation.
Above data and chart are the partial test result of the representative fabric chosen, object is to facilitate those skilled in the art to understand object of the present invention and effect, in view of the many factors of impact test, the data obtained under different tests condition may not in the data area of above-mentioned announcement.
The material of metal fibre of the present invention can be by stainless steel or Aludirome or nichrome or corronil or ferrochrome.
Isolated material of the present invention should adopt the chemical fibre or other macromolecule or metal material easily removed by physics or chemical method, thus is conducive to carrying out smoothly of subsequent technique.According to the ability of environmental protection treatment, the removal process of isolated material of the present invention can adopt chemical method (as isolated material adopts chemical fibre, cotton or other macromolecular material, to remove through solvent soaking; As isolated material adopts aluminium, iron or copper, can remove through sulfuric acid or nitric acid dousing or electrolysis), also can adopt physical method (as isolated material adopts water-soluble material, removing through hot-water soak), not only be conducive to reducing costs, be also conducive to protection of the environment.
Accompanying drawing explanation
Can become apparent to allow object of the present invention, feature and advantage, below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, simultaneously, for ease of the improvement of contrast the present invention relative to utility model patent zl200820210982.7, accompanying drawing illustrates continues to use its original form of presentation as far as possible:
Fig. 1 is the existing housing case schematic diagram being pre-mixed formula burner;
Fig. 2 adopts the schematic diagram of housing case when ignition in Fig. 1;
Fig. 3 is United States Patent (USP) the 7th, the fabric as burner membrane disclosed by 053, No. 014;
Fig. 4 is with the housing case schematic diagram of the burner in fig. 2 of the plastic film covering in Fig. 3;
Fig. 5-Figure 12 is the present invention as the preferred embodiment picture of the fabric construction first kind (employing cross machine knitting) of burner covering and the contrast picture of utility model patent zl200820210982.7 fabric;
Fig. 5 to be fabric one of the present invention be ferrum-chromium-aluminum material 34 core, without rolling post processing positive and negative figure, fabric is relatively more fluffy, and air permeability is relatively large.
Fig. 6 is fabric two of the present invention is ferrum-chromium-aluminum material 46 cores, positive and negative figure after rolling process, Fe-Cr-Al wire is partially filled in the woven gap of fabric, fabric is while remaining many gaps, opposed fabric one is more closely knit, air permeability is relatively little, is particularly suitable for the gas-fired condensing boiler needing vast scale regulating power.
Fig. 7 is the positive and negative figure of fabric three (raw material is with fabric two) of the present invention, and because have employed the seam loop of more big needle distance, fabric air-permeability degree is larger than fabric one, and meanwhile, grain cross stability is better, is applicable to the application demand requiring resistance less.
Fig. 8 is the positive and negative figure of fabric four (raw material is with fabric one) of the present invention, and because have employed the seam loop of more big needle distance, fabric air-permeability degree is larger, and textile-like three is applicable to some special applications demand requiring resistance little especially.
Fig. 9 is the positive and negative figure that utility model patent zl200820210982.7 represents fabric.
Figure 10 is the generalized section of the present invention as a branch of metallic yarn in the fabric construction first kind preferred embodiment of burner covering.
Figure 11 is the partial enlargement picture of the fabric material object of Figure 10;
Figure 12 is the partial enlargement picture of the fabric material object disclosed by utility model patent zl200820210982.7;
Figure 13 is the in kind picture of the present invention as the fabric of the preferred embodiment of the fabric construction Equations of The Second Kind (adopting flat weaving method to weave) of burner covering.
Figure 14 the present invention includes the schematic diagram of the metal fibre complex yarn of separation layer, and wherein separation layer is 13, and metal fibre long filament is 12, and metal fibre complex yarn is 15.
Figure 15 is the schematic diagram that the present invention comprises that the water yield has the metal fibre complex yarn of isolation fiber, and wherein isolating fiber is 14.
Figure 16-1 is in one embodiment of the present invention, comprises the picture of the metal fibre complex yarn of isolated material.Adopt water soluble yarn to be prepared from as isolated material method for coating in figure.
Figure 16-2 is in another embodiment of the invention, comprises the picture of the metal fibre complex yarn of isolated material.Adopt water soluble yarn to be prepared from as the coated then doubling twisting of isolated material in figure.
Figure 17 is the fabric picture be made into by the metal wire combined yarn of Figure 16-1, Figure 16-2.
Figure 18 be fabric of the present invention (being arranged in the top of A-D picture) from the surface combustion infrared effect of fabric (being arranged in the below of A-D picture) under different combustion intensity of utility model patent zl200820210982.7 to contrasting.
Detailed description of the invention
The following examples can make the present invention of professional and technical personnel's comprehend, but do not limit the present invention in any way.
Embodiment 1:
1, adopt the method spun of cored, to be spun into by the iron-chromium-aluminum metal monofilament (namely metal fibre long filament 12, as follows) of 50 microns in the terylene short fiber yarn (i.e. isolation fiber 14) that about 60 English prop up by spinning machine, the twist 400 twists/m, obtains metal fibre composite monofilament.
2, use twisting machine, 30 such metal fibre composite monofilaments are twisted, obtains the complex yarn of 30*1, or by the mode of twice twisting, obtain the complex yarn of 15*2; Analogize, can by repeatedly twisting, obtain single thread core number less, the metal fibre complex yarn 15 of more multiply, see Figure 15.Wherein metal fibre complex yarn is in order to keep good dispersion effect and weave stability, and preferred 20-80 twist/m twists, and the first retwist twist can be different.
3, use 5 pin straight-bar machines, this complex yarn is woven into there is certain thickness rock-steady structure fabric.
4, soaked in concentrated sulfuric acid by this composite fabric, partly or entirely remove the isolated material composition in composite fabric, cleaning, drying, obtains the fabric of tool fluff structure feature of the present invention again.
Embodiment 2:
1, adopt coated method, the water-soluble staple fibre yarn that coated about 100 English prop up on the iron-chromium-aluminum metal monofilament of 40 microns, the twist 400 twists/m, obtains metal fibre composite monofilament (see Figure 16-1).
2, by twisting machine, 50 such composite monofilaments are twisted, obtains the complex yarn of 50*1, or by the mode of twice twisting, obtain the complex yarn (see Figure 16-2) of 25*2; Analogize, can by repeatedly twisting, obtain single thread core number less, the metal fibre complex yarn of more multiply.In order to keep good dispersion effect and weave stability, preferred 20-80 twist/m twists, and the first retwist twist can be different.
3, use 7 pin straight-bar machines, this complex yarn is woven into there is certain thickness rock-steady structure fabric (see Figure 17).
4, by rolling, make this composite fabric lower thickness, part yarn is filled in woven gap.
5, again this composite fabric after rolling is immersed in the hot water of 100 degree, partly or entirely removes the isolated material composition in composite fabric, obtain the fabric of tool fluff structure feature of the present invention.Because the reason of rolling, this fabric has lower air permeability, can meet special applications to the requirement preventing tempering stricter.
Embodiment 3:
1, use twisting machine, the iron-chromium-aluminum metal monofilament of 50 microns and the polyester filament of 60 Tekes are twisted, the twist 200 twists/m, obtains metal fibre composite monofilament.
2, by twisting machine, 40 such composite monofilaments are twisted, obtains the complex yarn of 40*1, or by the mode of twice twisting, obtain the complex yarn of 25*2; Analogize, can by repeatedly twisting, obtain single thread core number less, the metal fibre complex yarn of more multiply.In order to keep good dispersion effect and weave stability, preferred 20-80 twist/m twists, and the first retwist twist can be different.
3, use 7 pin straight-bar machines, this complex yarn is woven into there is certain thickness rock-steady structure fabric.
4, this composite fabric is soaked in concentrated sulfuric acid, partly or entirely remove the isolated material composition in composite fabric, cleaning, drying.
5, again by rolling, make the fabric thickness partly or entirely removing isolated material thinning, part yarn is filled in woven gap, obtains the fabric of the lower tool fluff structure feature of air permeability of the present invention.
Embodiment 4:
1, by the iron-chromium-aluminum metal monofilament of 25 50 microns simultaneously by being dissolved with the colloidal liquid pond of isolated material PVA or polyethylene glycol oxide, be coated with microfilament containing isolated material jelly vertically upward past drying oven, this process wire is monofilament dispersity, isolated material jelly, because of Action of Gravity Field, is evenly attached to metal monofilament surface; Change the viscosity of dip-coating jelly or adjust the speed of dip-coating, oven dry, can change the thickness of isolated material, the separation layer of formation is 13.Monofilament boundling after coating being dried, obtains the list bundle metal fibre complex yarn 15 of no twist.See Figure 14.
2, on twisting machine, two single bundle complex yarns are twisted, obtain the complex yarn of 25*2.In order to keep good dispersion effect and weave stability, preferred 0-50 twist/m twists, and the first retwist twist can be different.
3, use 5 pin straight-bar machines, this complex yarn is woven into there is certain thickness rock-steady structure.
4, immerse in hot water by this composite fabric again, partly or entirely remove the isolated material composition in composite fabric, cleaning, drying, namely obtains the fabric of tool fluff structure feature of the present invention.
Embodiment 5:
1, in the copper facing of diameter 1.0mm soft state Fe-Cr-Al wire material surface electrical, through multi-mould drawing repeatedly, the fibre diameter of 50 microns is obtained; Copper layer thickness requires suitably to adjust according to fabric air-permeability degree.
2, by copper facing iron-chromium-aluminum metal monofilament boundling, twisting on twisting machine that more than 25 methods obtain, and then two single bundle complex yarns are twisted, obtain the complex yarn of 25*2.In order to keep good dispersion effect and weave stability, preferred 0-50 twist/m twists, and the first retwist twist can be different.
3, use 5 pin straight-bar machines, this complex yarn is woven into there is certain thickness rock-steady structure.
4, again this composite fabric is put into titanium basket, be energized electrolysis in dilution heat of sulfuric acid, and partly or entirely remove the copper isolated material in composite fabric, cleaning, drying, namely obtains the fabric of tool fluff structure feature of the present invention.
In actual applications, the twist of the thickness of separation layer, the core number of metal fibre and metal composite yarn all can the air permeability of appreciable impact fabric and the stability of weaving process, therefore must be optimized according to the actual needs of user.
Those skilled in the art can make replacement, distortion according to the present invention, but only otherwise depart from basic thought of the present invention, all within protection scope of the present invention.
Claims (17)
1. the fabric as burner covering, it is characterized in that, described fabric is by singly to restraint or multi beam is removed after weaving containing the metal fibre complex yarn of isolated material again or part removes that isolated material obtains in fluffy dispergated metal fibre reticulated structure fabric; Described metal fibre complex yarn is made up of many metal fibre long filaments and the isolated material separating metal fibre long filament; Described isolated material is coating or immersion plating or the separation layer of plating on metal fibre long filament, or is twisted by doubling or cored is spun or coated mode joins isolation fiber between metal fibre long filament; Described metal fibre long filament is obtained by single wire drawing or clustered drawing.
2. fabric according to claim 1, is characterized in that, described isolation fiber is one or more filaments in macromolecular fibre, or is the one in aluminium, iron, copper wire; One in what described separation layer adopted is macromolecular material or aluminium, iron, copper metal.
3. fabric according to claim 2, is characterized in that, described macromolecular fibre is selected from chemical fibre, cotton.
4. fabric according to claim 1, is characterized in that, the material of described metal fibre long filament is stainless steel or Aludirome or nichrome or corronil or ferrochrome.
5. the fabric according to any one of claim 1-4, is characterized in that, described fabric weaves with flat weaving method or warp-knitting method or weft-knitting method.
6. be used for preparing a fabric for burner covering, it is characterized in that, described fabric is by the reticulated structure of singly restrainting or multi beam metal fibre complex yarn is formed after weaving; Often restraint metal composite yarn be by many metal fibre long filaments with without the need to cementation and the isolated material be easily separated with metal fibre long filament form; Described isolated material is coating or immersion plating or the separation layer of plating on metal fibre long filament, or is twisted by doubling or blending or cored is spun or coated mode joins isolation fiber between metal fibre long filament; Described metal fibre long filament is obtained by single wire drawing or clustered drawing.
7. fabric according to claim 6, is characterized in that, described isolation fiber is one or more filaments without the need to cementation and in the macromolecular fibre be easily separated with metal fibre long filament, or is the one in aluminium, iron, copper wire; What described separation layer adopted is without the need to cementation and the macromolecular material be easily separated with metal fibre long filament or aluminium, iron, one in copper metal.
8. fabric according to claim 7, is characterized in that, described macromolecular fibre is selected from chemical fibre, cotton.
9. fabric according to claim 6, is characterized in that, the material of described metal fibre long filament is stainless steel or Aludirome or nichrome or corronil or ferrochrome.
10. the fabric according to any one of claim 6-9, is characterized in that, described fabric weaves with flat weaving method or warp-knitting method or weft-knitting method.
11. 1 kinds of preparation methods as the fabric of burner covering, it is characterized in that, adopt isolation fiber as isolated material, metal fibre long filament and isolation fiber is first adopted to be twisted by doubling or cored is spun or method for coating obtains the single piece of metal fiber composite yarn comprising and isolate fiber, metal fibre complex yarn described in many is added or does not add metal fibre long filament, and close and add and be twisted a branch of metal fibre complex yarn, again described list bundle or multi beam metal fibre complex yarn are woven into fabric, then the isolated material in fabric is partly or entirely removed and obtain fluffy dispersed metal fibre reticulated structure fabric, what described isolation fiber was selected is without the need to cementation and the isolated material be easily separated with metal fibre long filament, described metal fibre long filament is obtained by single wire drawing or clustered drawing.
12. preparation methods according to claim 11, is characterized in that, described isolation fiber is one or more filaments without the need to cementation and in the macromolecular fibre be easily separated with metal fibre long filament, or is the one in aluminium, iron, copper wire.
13. preparation methods according to claim 12, is characterized in that, described macromolecular fibre is selected from chemical fibre, cotton.
14. preparation methods according to claim 11 or 12 or 13, before removal isolated material or afterwards, adopt the method for roll-in or concora crush to process fabric.
15. 1 kinds of preparation methods as the fabric of burner covering, it is characterized in that, adopt dip coating or immersion plating or galvanoplastic, ooze between metal fibre long filament and be coated with or plate one deck isolated material, then dry, the obtained metal composite yarn comprising separation layer, metal fibre complex yarn described in many is added or does not add metal fibre long filament, and close and add and be twisted a branch of metal fibre complex yarn, again described list bundle or multi beam metal fibre complex yarn are woven into fabric, then the isolated material in fabric is partly or entirely removed and obtain fluffy dispersed metal fibre reticulated structure fabric, described isolated material is without the need to cementation and the macromolecular material be easily separated with metal fibre long filament or metal material, described metal fibre long filament is obtained by single wire drawing or clustered drawing.
16. preparation methods according to claim 15, is characterized in that, described macromolecular material is PVA or polyethylene glycol oxide; Described metal material is aluminium, iron or copper.
17. preparation methods according to claim 15, before removal isolated material or afterwards, adopt the method for roll-in or concora crush to process fabric.
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| CN201310063660.XA CN103132346B (en) | 2013-02-28 | 2013-02-28 | Fabric as combustor covering, and its making method |
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| CN201310063660.XA CN103132346B (en) | 2013-02-28 | 2013-02-28 | Fabric as combustor covering, and its making method |
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| CN103132346A CN103132346A (en) | 2013-06-05 |
| CN103132346B true CN103132346B (en) | 2015-07-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120126A (en) * | 2016-07-07 | 2016-11-16 | 西安菲尔特金属过滤材料有限公司 | A kind of preparation method of gas burner metal fibre interlacement |
| CN108978026A (en) * | 2017-10-18 | 2018-12-11 | 上海钜荷热力技术有限公司 | A kind of braiding apparatus of the metal fibre interlacement for all-premixing burner |
| CN111849428B (en) * | 2020-06-18 | 2021-11-05 | 上海大陆天瑞激光表面工程有限公司 | Thermal interface material |
| CN111961447B (en) * | 2020-06-18 | 2021-11-05 | 上海大陆天瑞激光表面工程有限公司 | Method for manufacturing compressible metal thermal interface material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191001A (en) * | 1995-07-14 | 1998-08-19 | 贝克特股份有限公司 | Textile fabric comprising bundles of machined metal filaments |
| CN201317846Y (en) * | 2008-12-17 | 2009-09-30 | 吴晓晖 | Fabric as burner covering |
| CN203247441U (en) * | 2013-02-28 | 2013-10-23 | 湖南惠同新材料股份有限公司麓谷分公司 | Fabric serving as combustor cover |
-
2013
- 2013-02-28 CN CN201310063660.XA patent/CN103132346B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191001A (en) * | 1995-07-14 | 1998-08-19 | 贝克特股份有限公司 | Textile fabric comprising bundles of machined metal filaments |
| CN201317846Y (en) * | 2008-12-17 | 2009-09-30 | 吴晓晖 | Fabric as burner covering |
| CN203247441U (en) * | 2013-02-28 | 2013-10-23 | 湖南惠同新材料股份有限公司麓谷分公司 | Fabric serving as combustor cover |
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