CN205439395U - Thermal -insulated felt of whole composite construction aerogel heat preservation - Google Patents
Thermal -insulated felt of whole composite construction aerogel heat preservation Download PDFInfo
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- CN205439395U CN205439395U CN201521097943.7U CN201521097943U CN205439395U CN 205439395 U CN205439395 U CN 205439395U CN 201521097943 U CN201521097943 U CN 201521097943U CN 205439395 U CN205439395 U CN 205439395U
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- aeroge
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- felt
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Abstract
(B, ) the utility model discloses a thermal -insulated felt of whole composite construction aerogel heat preservation, including the aerogel of fibrofelt with the packing fibrofelt, its characterized in that, the fibrofelt is (b) (b) 2.5 (b) (b) dimension reinforcing (b) (b) fibrofelt, it be the planar thin layer fibre web child of a plurality of (b) (b) X -Y (b) (b) after (b) (b) Z (b) (b) is to the stromatolite again acupuncture be formed by connecting. The utility model discloses a thermal -insulated felt that keeps warm has combined fibrofelt and aerogel advantage between them, has strengthened each item mechanical properties of aerogel, has better compliance and good mechanical strength, and it has especially been strengthened the infra red thermal radiation of aerogel under the high temperature condition and stops the ability simultaneously, has reduced the heat -conduction and the heat convection of fibrofelt, thus the bulk phase to insulate against heat the effect than other thermal insulation material's heat preservation more obvious, but the heat preservation field of wide application in, under the high temperature condition. (B, )
Description
Technical field
This utility model belongs to the insulation material technical field under the conditions of medium and high temperature, is specifically related to a kind of overall composite construction aeroge insulation felt.
Background technology
Along with industrial expansions such as new forms of energy, the medium and high temperature smelting furnace such as domestic monocrystaline silicon stove, polycrystalline-silicon furnace, high-temperature atmosphere furnace is widely used.The operating temperature of monocrystaline silicon stove is more than 1500 DEG C, and for the graphitizing furnace operating temperature of high-temperature process at about 2000 DEG C, the operating temperature of these industrial furnaces is high, energy consumption is big, suitable soak material must be selected, improve heat-proof quality as far as possible, put forward high-octane utilization rate.
Traditional high temperature furnace uses carbon fiber felt parcel carbon/carbon compound material or graphite backing material to be incubated mostly, but carbon fiber flexible felt in use can produce more carbon dust and pollute furnace inner environment, affects product quality；And heat insulation effect is limited, causes the parcel number of plies many, inconvenience is installed.Part manufacturer have employed and carbon fiber flexible felt solidified the method making the hard felt of carbon fiber, if publication No. is the patent of CN101948327B, CN103009698A and CN104058777A.This solidification carbon felt has the advantage such as low volatility, excellent support capability than the soft felt of traditional carbon fibres, has obtained certain applications.But in actual production, in the body of heater that especially high-temperature heat flux is more, amount of heat transmits from high-temperature region to low-temperature space (furnace wall) along hard felt with hot-fluid, can not be effectively improved the heat-proof quality of soft felt, reduces energy consumption.
Aeroge is the common name of the mano-porous material to lightweight, porous and bigger serface, and its preparation method is familiar with by this area professional person.Its low-density and substantial amounts of micropore can reduce the thermal loss that conduction brings, and convection current can be minimized by nanometer aperture.But, the mechanical strength that its low-density and high porosity also result in aeroge is the lowest, it is easy to broken, limits its application.And, although aeroge can effectively stop infrared emanation at normal temperatures, but along with the rising of temperature, its infrared emanation transmitance strengthens.Improving its mechanical performance by fiber is a kind of effective and universal received method.
Publication No. is the patent of CN10331914A, describe a kind of aerogel composite, it improves the three-dimensional machinery performance of aeroge, the heat-insulating property of retained gas gel simultaneously by selecting the textile fabric grid of suitable X-Y plane and the nonwoven of Z-direction or textile fabric.But its reinforcing fiber is divided into non-woven fibre two parts of independent X-Y plane fiber mesh and Z-direction.So Z-direction reinforcing fiber is combined loosely with X-Y plane reinforcing fiber so that plane shear performance can not get being effectively improved；X-Y plane uses the textile fabric grid of Centimeter Level simultaneously, fiber content is low, reinforced effects is limited, and can not be effectively improved the blocking effect to the infrared emanation under high temperature of aeroge, thus limits the application in monocrystaline silicon stove one type high temp stove of the described aerogel composite.
Summary of the invention
This utility model purpose is: provide a kind of heat insulating effect and infrared emanation blocking effect more preferable, and the adhesion of internal fiber and mechanical performance are more preferably applicable to the overall composite construction aeroge insulation felt under the conditions of medium and high temperature, it can effectively reduce energy consumption in body of heater further.
The technical solution of the utility model is: a kind of overall composite construction aeroge insulation felt, including fiber felt and the aeroge of fiberfill fibers felt, it is characterized in that, described fiber felt is 2.5 dimension reinforcing fiber mats, it be by the thin layer fleece tire of some X-Y planes after Z-direction lamination again acupuncture be formed by connecting.
Further, aeroge described in this utility model is uniformly filled in described 2.5 dimensions fibre gap within reinforcing fiber mats, and aeroge also covers the upper and lower surface of described 2.5 dimension reinforcing fiber mats.
Further, being connected by Z-direction needling fiber between thin layer fleece tire adjacent in this utility model, described Z-direction needling fiber is the fiber belonged to originally on described thin layer fleece tire being brought into needling direction when continuous needle by the barb on pricker syringe needle.It is to say, do not introduce non-woven fibre as prior art in Z-direction in this utility model, its Z-direction is the short fibre coming from thin layer fleece tire itself that acupuncture introduces.
It may be noted that: in this utility model, the concept of 2.5 dimensions is the most accurate three-dimensional, is existing concept in prior art, because the fiber of Z-direction is connected as interlayer connection in this case, but and discontinuous, not as the fiber in X-Y plane connects substantially.Described X, Y and Z i.e. Special composition three-dimensional system of coordinate.
Aeroge in this utility model is prior art, it is the raw material mixing match using solution shape, stir into colloidal sol, be coupled to the gel of solid-state the most under certain conditions, after being volatilized by aging and solvent the most again, form cavernous aeroge solid block structure.Actual when implementing, by being filled in 2.5D reinforcing fiber mats by the sol solution of aeroge, then form that to be embedded at 2.5D reinforcing fiber mats internal and be attached to the aeroge on surface after being volatilized by aging and solvent.Its form class is similar to armored concrete, and 2.5D reinforcing fiber mats is equivalent to bar construction, and aeroge is equivalent to concrete.
Further, the tire of thin layer fleece described in this utility model fiber architecture tend to unordered, and its fiber mesh is grade.
Further, the one during the tire of thin layer fleece described in this utility model is chopped strand carding net tire and air lay net tire.
Preferably, this utility model also includes the feltwork thin layer being arranged on described 2.5 dimension reinforcing fiber mats top layers, for reducing high temperature heat radiation further and strengthening heat shock resistance and decay resistance.Because of the existence of top layer feltwork thin layer, during actual enforcement, after the solidification of described aeroge, cover the surface of the feltwork thin layer of described upper layer.
Further, feltwork thin layer described in this utility model by acupuncture or is bonded and fixed in described 2.5 dimension reinforcing fiber mats.
Further, feltwork thin layer described in this utility model is the one in plain, twill, satin and high areal density non-woven fabrics or two kinds, and when described feltwork thin layer selects the two cloth, both cloth is stacked relationship.
Further, the one in carbon aerogels, aerosil, alumina aerogels, zirconia aerogels and transition metal oxide silica aerogel of the aeroge described in this utility model.
Further, the one in coating carbon fibre net tire, thin layer of glass fleece tire, thin layer oxidization fiber fleece tire, thin layer quartz fibre net tire, thin layer alumina silicate fibre net tire of the thin layer fleece tire in 2.5 dimension reinforcing fiber mats described in this utility model.
The utility model has the advantages that:
Overall composite construction aeroge insulation felt of the present utility model compared with prior art has the advantages that,
(1) described aeroge insulation felt, and upper and lower surface internal in reinforcing fiber mats is uniformly filled with aerogel material, has stopped the carbon fiber flexible felt that wraps up in traditional medium and high temperature stove or carbon dust that other fiber felt in use evaporate or the pollution to furnace inner environment of other inorfil powder.
(2) described aeroge insulation felt, it is compounded with the aerogel material that heat-insulating property is more excellent, compare the hard felt of solidification that present stage applied and there is more preferable heat-proof quality, reduce furnace heat with hot-fluid in felt from high-temperature region to the conduction of heat of low-temperature space, effectively reduce energy loss.
(3) described aeroge insulation felt, the fiber felt of employing 2.5 dimension are as reinforcing material, and described 2.5 dimension reinforcing fiber mats are to be formed by thin layer net tire lamination acupuncture.Thus higher compared to the density of the reinforcement of the non-woven fibre of conventional planar textile fleece associating vertical direction, vertically combine more firm to fiber, reinforced effects is more excellent；And owing to density is higher, the especially grid in plane is less, thus under the high temperature conditions, has more preferably infrared emanation blocking effect, thus has more excellent heat-insulating property.
(4) described aeroge insulation felt, the submissiveest, can be used on the insulation of variously-shaped container and pipeline, it is simple to make the specification of standard, form large-scale production, to reduce production cost, and be easy to storage.By selecting suitable aeroge kind and kinds of fibers and density, the moderate temperature environment such as jet chimney and reactor insulation can be obtained, it is also possible to for the hot environment such as graphitizing furnace of photovoltaic monocrystaline silicon stove, polycrystalline-silicon furnace and high-temperature process.
In summary, the advantage that this entirety composite aerogel felt combines fiber felt and aeroge, enhance every mechanical property of aeroge, strengthen aeroge infrared emanation blocking capability under the high temperature conditions simultaneously, reduce conduction of heat and the thermal convection current of fiber felt.This entirety composite aerogel felt, under the conditions of medium and high temperature, has excellent heat insulating effect and mechanical performance, and the submissiveest, it is simple to installing/dismounting, can be used for the insulation of variously-shaped container and pipeline.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Fig. 1 is the perspective view (part section) of overall composite aerogel insulation felt in this utility model embodiment 1,
Wherein 1, thin layer fleece tire；2, Z-direction needling fiber；3, aeroge.
Fig. 2 is the perspective view (part section, and the aeroge of omission Surface mulch) of overall composite aerogel insulation felt in this utility model embodiment 2,
Wherein 1, thin layer fleece tire；2, Z-direction needling fiber；3, aeroge；4, feltwork thin layer.
Combine accompanying drawing below by detailed description of the invention this utility model is described in further detail, and not limit to so.
Embodiment 1:
As shown in Figure 1, this overall composite construction aeroge insulation felt that the present embodiment provides, it is made up of 2.5 dimension reinforcing fiber mats and aeroge 3, described 2.5 dimension reinforcing fiber mats be by the thin layer fleece tire 1 of some X-Y planes after Z-direction lamination again acupuncture be formed by connecting, described aeroge 3 is uniformly filled in described 2.5 dimensions fibre gap within reinforcing fiber mats, and aeroge also covers the upper and lower surface of described 2.5 dimension reinforcing fiber mats.
It is specifically shown in the part section of Fig. 1, being connected by Z-direction needling fiber 2 between adjacent thin layer fleece tire 1, described Z-direction needling fiber 2 is the chopped fiber belonged to originally on described thin layer fleece tire 1 being brought into needling direction when continuous needle by the barb on pricker syringe needle.
In this example, the mesh-density that above-mentioned 2.5 dimension reinforcing fiber mats use air lay is 30g/cm
2
Thin layer oxidization fiber fleece tire lamination acupuncture form, needling density is 30 pins/cm
2
, the 2.5 dimension reinforcing fiber mats spatial densities obtained are 0.08g/cm
3
.Above-mentioned aeroge uses the aerosil obtained through supercritical drying with tetraethyl orthosilicate for presoma.Oxidization fiber fiber has high flame retardant, has excellent heat stability, is compounded with oxidization fiber fiber because of aerosil, therefore has good compliance in the 2.5 dimension reinforcing fiber mats prepared, and global density is about 0.15g/cm
3
, heatproof is more than 450 DEG C, can serve as high temperature steam pipeline insulation integument, effectively intercepts the heat loss of high temperature steam pipeline, reduce energy consumption.
Embodiment 2:
As shown in Figure 2, this overall composite construction aeroge insulation felt that the present embodiment provides, collectively formed by the feltwork thin layer 4 of 2.5 dimension reinforcing fiber mats, aeroge 3 and 2.5 dimension reinforcing fiber mats upper and lower surface, described 2.5 dimension reinforcing fiber mats be by the thin layer fleece tire 1 of some X-Y planes after Z-direction lamination again acupuncture be formed by connecting, described feltwork thin layer 4 is connected to described 2.5 by acupuncture and ties up the superiors and the surface of undermost thin layer fleece tire 1 in reinforcing fiber mats.Described aeroge 3 is uniformly filled in the fibre gaps within described 2.5 dimension reinforcing fiber mats and feltwork thin layer 4, and aeroge also covers the surface of feltwork thin layer 4 of described upper layer.
It is specifically shown in the part section of Fig. 2, being connected by Z-direction needling fiber 2 between adjacent thin layer fleece tire 1, described Z-direction needling fiber 2 is the chopped fiber belonged to originally on described thin layer fleece tire 1 being brought into needling direction when continuous needle by the barb on pricker syringe needle.
In this example, the mesh-density that above-mentioned 2.5 dimension reinforcing fiber mats use air lay is 50g/cm
2
Coating carbon fibre net tire lamination acupuncture form, needling density is 60 pins/cm
2
, the 2.5 dimension reinforcing fiber mats spatial densities obtained are 0.15g/cm
3
.In this example, the feltwork thin layer 4 of upper layer uses the 3K carbon fiber plain of 200 grammes per square metres, is combined on coating carbon fibre net tire by acupuncture.
Above-mentioned aeroge uses the ZrO_2 aerogel obtained through supercritical drying with two nitric hydrate oxygen zirconiums for presoma.The insulation felt that this example provides combines high temperature tolerance and the low heat conductivity of the high intensity of high-performance carbon fibre, high temperature tolerance and ZrO_2 aerogel, and the dense carbon fiber plain weave layer of cloth combined by reinforcing fiber mats upper and lower surface, the most effectively block insulation felt infrared emanation at high temperature, thus there is excellent soak heat-proof quality.The insulation felt of this example also has preferable compliance simultaneously, and global density is about 0.25g/cm
3
, heatproof is up to more than 1200 DEG C, can be wrapped in outside the heat-preserving container of monocrystaline silicon stove, the most heat insulation, is saving material usage, while convenient handling, is reducing energy consumption.
Certainly above-described embodiment is only for illustrating technology of the present utility model design and feature, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the spirit of this utility model main technical schemes, all should contain within protection domain of the present utility model.
Claims (10)
1. an overall composite construction aeroge insulation felt, aeroge (3) including fiber felt and fiberfill fibers felt, it is characterized in that, described fiber felt is 2.5 dimension reinforcing fiber mats, it be by thin layer fleece tire (1) of some X-Y planes after Z-direction lamination again acupuncture be formed by connecting.
A kind of overall composite construction aeroge insulation felt the most according to claim 1, it is characterized in that described aeroge (3) is uniformly filled in described 2.5 dimensions fibre gap within reinforcing fiber mats, and aeroge (3) also covers the upper and lower surface of described 2.5 dimension reinforcing fiber mats.
A kind of overall composite construction aeroge insulation felt the most according to claim 1, it is characterized in that being connected by Z-direction needling fiber (2) between adjacent thin layer fleece tire (1), described Z-direction needling fiber (2) is the fiber belonged to originally on described thin layer fleece tire (1) being brought into needling direction when continuous needle by the barb on pricker syringe needle.
A kind of overall composite construction aeroge insulation felt the most according to claim 1, it is characterised in that described thin layer fleece tire (1) fiber architecture tend to unordered, and its fiber mesh is grade.
5. according to a kind of overall composite construction aeroge insulation felt described in claim 1 or 4, it is characterised in that described thin layer fleece tire (1) is the one in chopped strand carding net tire and air lay net tire.
A kind of overall composite construction aeroge insulation felt the most according to claim 2, it is characterized in that, also including being arranged on the feltwork thin layer (4) of layer in described 2.5 dimension reinforcing fiber mats, described aeroge (3) covers the surface of the feltwork thin layer (4) of described upper layer.
A kind of overall composite construction aeroge insulation felt the most according to claim 6, it is characterised in that described feltwork thin layer (4) is by acupuncture or is bonded and fixed in described 2.5 dimension reinforcing fiber mats.
A kind of overall composite construction aeroge insulation felt the most according to claim 6, it is characterized in that, described feltwork thin layer (4) is the one in plain, twill, satin and high areal density non-woven fabrics or two kinds, when described feltwork thin layer (4) selects two kinds of cloth, both cloth is stacked relationship.
A kind of overall composite construction aeroge insulation felt the most according to claim 1, it is characterised in that the described aeroge (3) one in carbon aerogels, aerosil, alumina aerogels, zirconia aerogels and transition metal oxide silica aerogel.
A kind of overall composite construction aeroge insulation felt the most according to claim 1, it is characterised in that the one in coating carbon fibre net tire, thin layer of glass fleece tire, thin layer oxidization fiber fleece tire, thin layer quartz fibre net tire, thin layer alumina silicate fibre net tire of thin layer fleece tire (1) in described 2.5 dimension reinforcing fiber mats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097943.7U CN205439395U (en) | 2015-12-24 | 2015-12-24 | Thermal -insulated felt of whole composite construction aerogel heat preservation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521097943.7U CN205439395U (en) | 2015-12-24 | 2015-12-24 | Thermal -insulated felt of whole composite construction aerogel heat preservation |
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| CN205439395U true CN205439395U (en) | 2016-08-10 |
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| CN201521097943.7U Expired - Fee Related CN205439395U (en) | 2015-12-24 | 2015-12-24 | Thermal -insulated felt of whole composite construction aerogel heat preservation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142611A (en) * | 2017-05-24 | 2017-09-08 | 深圳市华创化工有限公司 | A kind of aeroge composite fibre Nomex and preparation method thereof |
| CN107415362A (en) * | 2017-06-30 | 2017-12-01 | 长兴泓矿炉料有限公司 | A kind of heat-insulated strong alumina silicate fibre refractory felt |
| CN107935540A (en) * | 2017-12-19 | 2018-04-20 | 贵州航天乌江机电设备有限责任公司 | A kind of preparation process of oxidization fiber fiber composite type aerosil insulation blanket |
| CN110524962A (en) * | 2019-06-25 | 2019-12-03 | 深圳中凝科技有限公司 | A kind of automobile aeroge thermoplastic material and its preparation method and application |
| CN111086300A (en) * | 2019-11-30 | 2020-05-01 | 常州旭荣针织印染有限公司 | Aerogel laminated fabric and manufacturing method thereof |
| CN111908889A (en) * | 2020-07-11 | 2020-11-10 | 巩义市泛锐熠辉复合材料有限公司 | Composite fiber reinforced aerogel felt and preparation method thereof |
| CN111941965A (en) * | 2020-07-11 | 2020-11-17 | 巩义市泛锐熠辉复合材料有限公司 | Aluminum silicate composite fiber reinforced aerogel felt and preparation method thereof |
| CN112519339A (en) * | 2020-12-30 | 2021-03-19 | 浙江创想节能科技有限公司 | Radiation-proof aerogel felt |
| CN115366499A (en) * | 2018-03-27 | 2022-11-22 | 江苏天鸟高新技术股份有限公司 | Heat insulation piece applied to high-speed or hypersonic aircraft |
| CN116553908A (en) * | 2022-11-29 | 2023-08-08 | 冶赛尔 | SiO 2 Aerogel composite material, composite board containing aerogel composite material, and preparation and application of aerogel composite material |
| CN117966982A (en) * | 2024-03-28 | 2024-05-03 | 四川赛尔科美新材料科技有限公司 | Heat preservation layer based on silicon substrate heat preservation material and laying method thereof |
-
2015
- 2015-12-24 CN CN201521097943.7U patent/CN205439395U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142611A (en) * | 2017-05-24 | 2017-09-08 | 深圳市华创化工有限公司 | A kind of aeroge composite fibre Nomex and preparation method thereof |
| CN107415362A (en) * | 2017-06-30 | 2017-12-01 | 长兴泓矿炉料有限公司 | A kind of heat-insulated strong alumina silicate fibre refractory felt |
| CN107415362B (en) * | 2017-06-30 | 2019-03-19 | 长兴泓矿炉料有限公司 | A kind of heat-insulated strong alumina silicate fibre refractory felt |
| CN107935540A (en) * | 2017-12-19 | 2018-04-20 | 贵州航天乌江机电设备有限责任公司 | A kind of preparation process of oxidization fiber fiber composite type aerosil insulation blanket |
| CN115366499A (en) * | 2018-03-27 | 2022-11-22 | 江苏天鸟高新技术股份有限公司 | Heat insulation piece applied to high-speed or hypersonic aircraft |
| CN110524962A (en) * | 2019-06-25 | 2019-12-03 | 深圳中凝科技有限公司 | A kind of automobile aeroge thermoplastic material and its preparation method and application |
| CN111086300A (en) * | 2019-11-30 | 2020-05-01 | 常州旭荣针织印染有限公司 | Aerogel laminated fabric and manufacturing method thereof |
| CN111908889A (en) * | 2020-07-11 | 2020-11-10 | 巩义市泛锐熠辉复合材料有限公司 | Composite fiber reinforced aerogel felt and preparation method thereof |
| CN111941965A (en) * | 2020-07-11 | 2020-11-17 | 巩义市泛锐熠辉复合材料有限公司 | Aluminum silicate composite fiber reinforced aerogel felt and preparation method thereof |
| CN112519339A (en) * | 2020-12-30 | 2021-03-19 | 浙江创想节能科技有限公司 | Radiation-proof aerogel felt |
| CN116553908A (en) * | 2022-11-29 | 2023-08-08 | 冶赛尔 | SiO 2 Aerogel composite material, composite board containing aerogel composite material, and preparation and application of aerogel composite material |
| CN117966982A (en) * | 2024-03-28 | 2024-05-03 | 四川赛尔科美新材料科技有限公司 | Heat preservation layer based on silicon substrate heat preservation material and laying method thereof |
| CN117966982B (en) * | 2024-03-28 | 2024-06-07 | 四川赛尔科美新材料科技有限公司 | Heat preservation layer based on silicon substrate heat preservation material and laying method thereof |
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Granted publication date: 20160810 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |