CN108679370A - A kind of spun-glass insulation felt and preparation method thereof - Google Patents
A kind of spun-glass insulation felt and preparation method thereof Download PDFInfo
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- CN108679370A CN108679370A CN201810948698.8A CN201810948698A CN108679370A CN 108679370 A CN108679370 A CN 108679370A CN 201810948698 A CN201810948698 A CN 201810948698A CN 108679370 A CN108679370 A CN 108679370A
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- Prior art keywords
- spun
- glass
- insulation felt
- fiber mat
- fibre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention provides a kind of spun-glass insulation felt, which is formed by stacking by least 10 layers of fiber mat, and the thickness of every layer of fiber mat is 0.1 1mm, and the grid of fiber mat is 1 200 μm.It is entirely capable of reaching non-ignitable A1 grades of requirement, is heat preservation, adiabatic, fireproof preferred material.Such material also has softness simultaneously, foldable, the features such as can coating, easily construct.
Description
Technical field
The invention belongs to thermal insulation material technical fields, and in particular to a kind of spun-glass insulation felt.
Background technology
Mainly there is insulating energy-saving material used in industry both at home and abroad and building：1. rock mineral wool, mineral wool, high-performance fiber
And its product, 2. aeroge and its product, 3. organic foam class heat-insulating material and its product, 4. hard class heat-insulating material and its system
Product, 5. asbestos heat-insulating material and its product.
Any of the above thermal insulation material all existing defects：
1. there are many problems in application process in rock mineral wool：Such as insufficient strength, in use due to itself weight
Power causes material sagging, damaged, insulation failure；Excessive to the irritation of skin, worker is reluctant to construct；The toughness of material and rebound
Not enough, the fibrous fracture after compression or rubbing, dust from flying, it cannot be guaranteed that effective insulation thickness, is not achieved due effect；
Heatproof is inadequate, used above at 200 DEG C, rock mineral wool and simple glass cotton embrittlement easy to aging, well damage.
2. only having silica aerogel to realize large-scale production and be promoted in aeroge and its product, other types
Aeroge all be small-scale production or be used for specific purposes.Due to its fancy price, popularization is relatively difficult, total
Possession share of the market scale in insulating energy-saving material market is small.
3. public security fire-fighting department requires that designing institute uses non-ignitable A grades of material in design, organic foam is made to be used for thermal insulation
The rapid atrophy in market of energy-saving material.
4. hard class insulating product is used at specific occasion (such as foam concrete block), cannot since its is frangible
Surface cladding construction, market scale is little, and market development is slow.
5. asbestos insulating energy-saving material and its product suspected carcinogens matter are classified as taboo by many countries and regions in the world
Use substance.
Therefore, higher and higher to the cry of high performance insulating energy-saving material in the market.
Invention content
In order to solve the above technical problem, the present invention provides a kind of spun-glass insulation felt, which is entirely capable of reaching
It is heat preservation to non-ignitable A1 grades of requirement, adiabatic, fireproof preferred material.Such material also has softness simultaneously, foldable, can
The features such as cladding, easily construction.
In order to achieve the object of the present invention, the technical solution adopted by the present invention is：
A kind of spun-glass insulation felt, the fibrofelt are formed by stacking by least 10 layers of fiber mat, every layer of fiber mat
Thickness be 0.1-1mm, the grid of fiber mat is 1-200 μm.
Fiber includes glass fibre and basalt fibre in fiber mat of the present invention.
Ultra-fine fibre glass is a kind of inorganic fibre, has small bulk density, thermal conductivity Go-to-and-fro, heat preservation thermal insulation, sound absorption properties
Can good, corrosion-resistant and stable chemical performance the advantages that.
Basalt fibre is will to be crushed to the natural basalt ore of certain grain size to be added special melting furnaces, after high-temperature fusion,
The continuous fiber produced by bushing.Basalt fibre raw material is pure natural, fluorine-containing raw material and effumability without high harmfulness
Boron raw material, production process are generated without pernicious gas, the noxious materials such as no industrial refuse, are that really environmentally protective high-performance is fine
Dimension has excellent tensile strength, acid-alkali-corrosive-resisting, heat insulating ability, weatherability and fire line, is ideal Novel ring safeguarding grades fire prevention
Thermal insulation material.
Preferably, by mass, raw material composition is as follows：
Ultra-fine fibre glass：40-90%
Basalt fibre：10-60%
Auxiliary material：0-15%.
Auxiliary material of the present invention includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber, is generated
Synergistic effect, can further decrease the thermal coefficient of material.
It is further preferred that basalt fibre of the raw material group as the ultra-fine fibre glass and 20-50% of 50-80%.
The present invention arranges in pairs or groups ultra-fine fibre glass a small amount of basalt fibre, and fiber dispersion is more preferable, and material thermal conductivity is high,
Up to the thermal coefficient for being less than 0.03.
At into one preferably, the fineness of the ultra-fine fibre glass is 3-9 μm, and the fineness of basalt fibre is 5-13 μm.
It is further preferred that the ultra-fine fibre glass is made of two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness.
The fiber of single layer fibre mat disordered arrangements in two-dimensional space, by length, thickness it is reasonably combined, between fiber
Hole blocked, gas by resistance it is very big, reduce the thermal coefficient of material.
It is further preferred that filametntary length is 50-100mm.The mechanical property of materials is good, is not easy to be torn.
It is intertwined mutually between filament and filament as crossings on different level state, thus is showed perhaps in fibrofelt
Air insulated is all had low thermal conductivity, layer stereo by mostly tiny hole at unit cell small one by one, air and glass
Staggeredly filament limits the quick flowing and diffusion of air, that is, reduces the thermal convection current of air, thus it is good so that fibrofelt is had
Good heat-insulating property.
The fiber mat density is 20-200 grams/m, closely knit stuffy.
The present invention also provides a kind of preparation methods of spun-glass insulation felt, include the following steps：
A, the raw material of formula rate is weighed, is uniformly mixed；
B, equipment is aligned by combing to carry out being arranged in mat；
C, mat is squeezed into the fiber mat of 0.1-1mm thickness again；
D, by fiber mat, laying is then compressed to 3-30mm at fibrofelt layer by layer, and needle thorn obtains finished product.
Preferably, fibrous raw material have passed through cleaning pretreatment.Reduce the chlorine content of fluoride ion in finished product.
The beneficial effects of the present invention are：
1, for the present invention using high-quality rich in aluminium oxide, magnesia, silica etc. meets the height that environmental protection is required with health
Quality glass fiber and basalt fibre, product are entirely capable of reaching non-ignitable A1 grades of requirement, are heat preservations, and adiabatic, fireproof is preferred
Material.Also there is softness simultaneously, it is foldable, the features such as can coating, easily construct.Grey obtained rolls up felt material, thoroughly solves current
The variety of problems that thermal insulation material is faced.Have：
1. flexibility and resilience are good, not easy to break, durable, can Reusability.
2. high temperature resistant reaches non-ignitable A1 grades of requirement.
3. radiation hardness has passed through radiation hardness test, can be used for nuclear power field.
4. without the unauthorized substances such as asbestos, heavy metal, pernicious gas, passed through ROHS tests and VOC tests, to environment and
Animals and plants are safe from harm.
5. safe to use, fibre length does not have tiny dust during 30-100 millimeters, use and generates.
6. this product has extremely low chlorine content of fluoride ion, completely non-corrosive to metal equipment and pipeline；It is soaked through boiling water
Steep the 96 hours heat insulation effects and performance for not influencing thermal insulation material；It is able to take lasting vibration and keeps the properties of material
Index ensures that the heat insulation effect of material is for a long time constant.
2, fibrofelt of the invention is formed by stacking by layer fiber mat, and the size of stringent control grid, and grid is small, air
It not easily passs through, thermal coefficient is small, and material heat insulation effect is good.
3, using two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness, by length, thickness it is reasonably combined, it is interfibrous
Hole is blocked, gas by resistance it is very big, reduce the thermal coefficient of material.Filler in fiber mat gap is adopted
It with subtleer fiber, is filled better than powder, powder is easy to be precipitated from material, and microfibre then steadily has material
In, it will not be precipitated.
4, filametntary length control is intertwined mutually between 50-100mm, filament and filament hands over for solid
Forked state, thus show in fibrofelt many tiny holes air insulated into unit cell small one by one, air and
Glass all have low thermal conductivity, layer stereo interlock filament limit air it is quick flowing and spread, that is, reduce sky
The thermal convection current of gas, thus make fibrofelt that there is good heat-insulating property.
5, existing insulation quilt mostly uses bonding agent, and the use of bonding agent can reduce material heat insulation effect, and reduce material
Fire protecting performance, and existing many bonding agents all use phenolic resin, release formaldehyde, unhealthy environmental protection.The present invention is using super
Thin glass fiber, after compression fiber thermal insulation felt be free of bonding agent, overcome disadvantage mentioned above.
6, fiber alignment is first arranged in mat by preparation method of the invention, then mat is squeezed into the fibre of 0.1-1mm thickness
Mat is tieed up, after laying is at fibrofelt layer by layer, then compressed, needle thorn, obtain finished product.Fine fibre can be to hole in second of compression process
Automatic plugging is carried out, realizes the closely knit stuffy of fibrofelt, gas is difficult to pass through, and the heat-conducting system of material is down to 0.02.
Specific implementation mode
In order to it is clearer, explain purpose of the present invention technical solution in detail, below by related embodiment to this hair
It is bright to be described further.Following embodiment is only to illustrate the implementation of the present invention, does not limit the protection of the present invention
Range.
Embodiment 1
A kind of spun-glass insulation felt, the fibrofelt are formed by stacking by 10 layers of fiber mat, the thickness of every layer of fiber mat
Degree is 0.3mm, and the grid of fiber mat is 120 μm.
Embodiment 2
A kind of spun-glass insulation felt, the fibrofelt are formed by stacking by 50 layers of fiber mat, the thickness of every layer of fiber mat
Degree is 0.1mm, and the grid of fiber mat is 1 μm.
The fiber mat density is 200 grams/m.
Embodiment 3
A kind of spun-glass insulation felt, the fibrofelt are formed by stacking by 80 layers of fiber mat, the thickness of every layer of fiber mat
Degree is 1mm, and the grid of fiber mat is 200 μm.
The fiber mat density is 1 gram/m.
Embodiment 4
A kind of spun-glass insulation felt, the fibrofelt are formed by stacking by 100 layers of fiber mat, the thickness of every layer of fiber mat
Degree is 0.5mm, and the grid of fiber mat is 100 μm.
The fiber mat density is 100 grams/m.
Embodiment 5
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：75%
Basalt fibre：10%
Auxiliary material：15%.
Embodiment 6
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：55%
Basalt fibre：40%
Auxiliary material：5%.
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
Embodiment 7
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：40%
Basalt fibre：60%
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
The fineness of the ultra-fine fibre glass is 3-9 μm, and the fineness of basalt fibre is 5-13 μm.
Embodiment 8
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：90%
Basalt fibre：10%
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
The ultra-fine fibre glass is made of two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness.The fineness of basalt fibre
It is 5-13 μm.
Fibre length is 50-100mm.
Embodiment 9
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：50%
Basalt fibre：50%
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
The ultra-fine fibre glass is made of two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness.The fineness of basalt fibre
It is 5-13 μm.
Fibre length is 50-100mm.
Embodiment 10
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：80%
Basalt fibre：20%
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
The ultra-fine fibre glass is made of two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness.The fineness of basalt fibre
It is 5-13 μm.
Fibre length is 50-100mm.
Embodiment 11
The spun-glass insulation felt of the present invention, by mass, the raw material composition of fiber mat are as follows：
Ultra-fine fibre glass：70%
Basalt fibre：30%
The auxiliary material includes silicon oxide powder, alumina powder, silicon carbide fibre and carbon fiber.
The ultra-fine fibre glass is made of two kinds of fibers of 7-9 μm of 3-5 μm of fineness and fineness.The fineness of basalt fibre
It is 5-13 μm.
Fibre length is 50-100mm.
Embodiment 12
The preparation method of spun-glass insulation felt of the present invention, includes the following steps：
A, the raw material of formula rate is weighed, is uniformly mixed；
B, equipment is aligned by combing to carry out being arranged in mat；
C, fiber mat of the mat at 0.1mm thickness is squeezed using pressure roll；
D, by fiber mat, laying is then compressed to 8mm at fibrofelt layer by layer, and needle thorn obtains finished product.
Embodiment 13
The preparation method of spun-glass insulation felt of the present invention, includes the following steps：
A, the raw material of formula rate is weighed, is uniformly mixed；
B, equipment is aligned by combing to carry out being arranged in mat；
C, fiber mat of the mat at 1mm thickness is squeezed using pressure roll；
D, by fiber mat, laying is then compressed to 30mm at fibrofelt layer by layer, and needle thorn obtains finished product.
Embodiment 14
The preparation method of spun-glass insulation felt of the present invention, includes the following steps：
A, the raw material of formula rate is weighed, is uniformly mixed；
B, equipment is aligned by combing to carry out being arranged in mat；
C, fiber mat of the mat at 0.2mm thickness is squeezed using pressure roll；
D, by fiber mat, laying is then compressed to 3mm at fibrofelt layer by layer, and needle thorn obtains finished product.
Fibrous raw material have passed through cleaning pretreatment.Reduce the chlorine content of fluoride ion in finished product.
The present invention is compressed using pressure roller, last needle thorn sizing.
Table 1 is the performance detection contrast table of product of the present invention and Conventional insulation.
| Product of the present invention | Conventional insulation | |
| Thermal coefficient | 0.025W/(m.k) | 0.045W/(m.k) |
| Compression rebound rate | 95% | 50% |
| Flexibility | Vibration does not destroy | Flutter failure |
It can be seen that the insulation quilt thermal coefficient of the present invention is small, compression rebound rate is high, and flexibility is good, especially suitable for pipe
The package in road is kept the temperature.
Specific implementation mode of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Claims (10)
1. a kind of spun-glass insulation felt, it is characterised in that：The fibrofelt is formed by stacking by least 10 layers of fiber mat, every layer
The thickness of fiber mat is 0.1-1mm, and the grid of fiber mat is 1-200 μm.
2. spun-glass insulation felt according to claim 1, it is characterised in that：The fiber mat density is 20-200
Gram/m.
3. spun-glass insulation felt according to claim 1, it is characterised in that：By mass, the original of the fiber mat
Material composition is as follows：
Ultra-fine fibre glass：40-90%
Basalt fibre：10-60%
Auxiliary material：0-15%.
4. spun-glass insulation felt according to claim 3, it is characterised in that：The auxiliary material includes silica powder
End, alumina powder, silicon carbide fibre and carbon fiber.
5. spun-glass insulation felt according to claim 3, it is characterised in that：Raw material group becomes the ultra-fine glass of 50-80%
The basalt fibre of glass fiber and 20-50%.
6. spun-glass insulation felt according to claim 3, it is characterised in that：The fineness of the ultra-fine fibre glass is 3-
9 μm, the fineness of basalt fibre is 5-13 μm.
7. spun-glass insulation felt according to claim 6, it is characterised in that：The ultra-fine fibre glass is by fineness 3-5 μ
M and two kinds of fibers of 7-9 μm of fineness composition.
8. spun-glass insulation felt according to claim 3, it is characterised in that：Fibre length is 50-100mm.
9. the preparation method of spun-glass insulation felt according to claim 3, it is characterised in that：Include the following steps：
A, the raw material of formula rate is weighed, is uniformly mixed；
B, equipment is aligned by combing to carry out being arranged in mat；
C, fiber mat of the mat at 0.1-1mm thickness is squeezed using pressure roll；
D, by fiber mat, laying is then compressed to 3-30mm at fibrofelt layer by layer, and needle thorn obtains finished product.
10. the preparation method of spun-glass insulation felt according to claim 9, it is characterised in that：Fibrous raw material have passed through
Cleaning pretreatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948698.8A CN108679370B (en) | 2018-08-20 | 2018-08-20 | Glass fiber insulation felt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948698.8A CN108679370B (en) | 2018-08-20 | 2018-08-20 | Glass fiber insulation felt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108679370A true CN108679370A (en) | 2018-10-19 |
| CN108679370B CN108679370B (en) | 2023-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534921A (en) * | 2020-05-15 | 2020-08-14 | 成都硕屋科技有限公司 | Production process of nano microporous composite material |
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