CN109185599A - Lightening fire resistant heat-insulating material and its foam process - Google Patents
Lightening fire resistant heat-insulating material and its foam process Download PDFInfo
- Publication number
- CN109185599A CN109185599A CN201811008917.0A CN201811008917A CN109185599A CN 109185599 A CN109185599 A CN 109185599A CN 201811008917 A CN201811008917 A CN 201811008917A CN 109185599 A CN109185599 A CN 109185599A
- Authority
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- Prior art keywords
- insulating material
- core plate
- heat
- insulation layer
- fire resistant
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- 239000011810 insulating material Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 13
- 239000006260 foam Substances 0.000 title claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 21
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000292 calcium oxide Substances 0.000 claims abstract description 8
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 8
- 239000003605 opacifier Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims abstract description 6
- 239000010881 fly ash Substances 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000005187 foaming Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000005439 thermosphere Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 6
- 239000002956 ash Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of lightening fire resistant heat-insulating material and its foam process, are made of the inorganic heat insulation layer core plate to foam and overcoating protective layer；Contain flyash, short glass fiber, quick lime, inducing agent in the raw material of inorganic heat insulation layer core plate, or contain opacifier, the protective layer is aluminum-plastic composite membrane or nonwoven cloth material.The present invention has many advantages, such as that light, high temperature resistant, structural integrity are good, cost is cheap.
Description
Technical field
The present invention relates to a kind of heat-insulating materials of interlayer structure.
Background technique
In the production of the high temperature industries such as metallurgy, casting processing, in order to achieve energy-saving and emission reduction purposes, preferably make equipment
Heat-insulation and heat-preservation is needed to install heat-insulating material between resistance to material and steel shell, to reduce the loss of thermal energy during production run, be mentioned
High equipment stable type.With improving to energy-efficient requirement, traditional heat preservation is not able to satisfy efficient, low-carbon, energy-efficient requirement.
The common core material of heat-insulating material has at present: the fiber-like materials such as alumina silicate fibre, ceramic fibre and a kind of technology
Content is higher using fumed silica powdery as the poromerics of major ingredient, energy consumption when being produced due to fiber-like material itself
Greatly, the reasons such as cost is high, service life is short are mostly used for the heat preservation of the operating condition within 500 DEG C, and silica powdery material is as core
Material is preferable using heat-insulating property, but 800 DEG C or more of temperature causes silicon-dioxide powdery to be sintered to bring safety to industrial equipment
Hidden danger, 1000 DEG C or the more advanced heat-insulating material of higher temperature operating condition needs.
The heat-insulating material made using silicon dioxide powder, it is many insufficient that there are material resources scarcity, cost height etc.
Place need improved.
Summary of the invention
Goal of the invention: the cheap lightening fire resistant heat-insulating material of light one kind, high temperature resistant, raw material and its foaming work are provided
Skill.
Technical solution:
The heat-insulating material of lightening fire resistant of the invention, the structure by the inorganic heat insulation layer core plate to foam and overcoating protective layer
At；It (meets water containing flyash, short glass fiber, quick lime in the raw material of inorganic heat insulation layer core plate and becomes white lime, have good
Good adhesive property), inducing agent (or foaming agent), or contain opacifier.
The present invention is added a small amount of staple glass fibre, quick lime, nanometer using the ashes that firepower electrical plant or metallurgy high furnace recycle and lures
It is pressed into the low-density heat-insulating material high with rate of closed hole, aperture is small after the mixing such as hair agent, opacifier, then conserved, dried
Processing, heat-insulating material that lightening fire resistant (the equal high temperature resistant of main material) is made is wrapped up it with non-woven fabrics.
Used foaming agent and its foam process guarantee to obtain the inorganic heat insulation layer core plate of closed-cell foam low-density.
The protective layer is aluminum-plastic composite membrane or nonwoven cloth material.
The protective layer is continuous sealing, and the inorganic heat insulation layer core plate is filled with entire protective layer inner space
's.
With following process steps: the raw material of inorganic heat insulation layer core plate being put into 150-200 DEG C of curing kilns and is passed through low pressure
Steam to kiln inner pressure 0.05-0.2MPa, microwave heating to 200 DEG C or so stop 20-40 minutes, pressure release is dried 10-20 minutes
Into inorganic heat insulation layer core plate.
The raw material of inorganic heat insulation layer core plate is placed in inside ready-made protective layer first, using protective layer as a kind of maintenance
Kiln realized by foaming technique and foams and complete type-approval process, obtain protective film and inorganic heat insulation layer core plate be bonded as one it is whole
The structure of body.
Venthole is reserved on protective film, thus the excessive gas generated in foaming process emits, and sending out
Bubble later period automatic adhesive blocks the venthole and (controls the technical process such as pressure time, such as steam and titanium dioxide in outlet
The concentration of carbon guarantees that quick lime is met aqueous vapor and generated with caking property, then meets carbon dioxide, reacts into calcium carbonate solid, blocks out
Stomata).
Not only unit mass is light for the heat-insulating material, and insulation effect is good, and abandons resource using benefit, has performance stabilization, resistance
Fire the features such as performance is good, easy to use.
Material explanation:
Ashes: the ashes that firepower electrical plant and metallurgy high furnace generate, small 50% or more the 0.1-10 μm of granule content of partial size, honeycomb
Structure.
Opacifier: 1-3 μm of partial size, bulk density is in 100g/cm3, including appointing in titanium dioxide, iron oxide or silicon carbide
It anticipates one kind, guarantees opaque.
Staple fiber: diameter is at 10-20 μm, length 6-15mm, high silica fiber or aluminosilicate glass fiber or carbon fiber
In any one.
Nanometer inducing agent: 10-30 nanometers of partial size, bulk density is in 40-60g/cm3, be a kind of high-activity nano metal and
The complex of its oxide.
Quick lime: 5-10 μm of partial size, bulk density is in 40-60g/cm3。
Non-woven fabrics: Mei ㎡ grammes per square metre 40-70g.
The utility model has the advantages that
Heat-insulating material is that vacuum bag or fine and close nonwoven cloth material and internal micropore core material are made of the high-barrier vacuum diaphragm on surface layer
It constitutes, playing the protection in carrying and work progress, this is used.By the nano-space of the nanometer grade powder inside heat-insulating material come
The opacifier of radiated wave reaches when limitation gas molecule motion, the microsize of nano-powder reduce contact surface and 1000 DEG C of reflection
To Heat Transfer Control approach, heat-insulated, heat preservation and energy-efficient effect are got.
Specifically have the advantage that
1. lightweight mitigates industrial equipment loading, transportation cost reduction, carries convenient, the plate weight per square meter of 10mm thickness
Within 3Kg；
2. using sharp waste materials: ashes have the characteristics that environmental protection, green, temperature tolerance are good as core material major ingredient；
3. material is easily purchased, is inexpensive: power plant, steel enterprise generate a large amount of ashes, cheap；
4. having high thermal insulation: 1000 DEG C of thermal coefficient w/ (mK) are within 0.03；
5. having high temperature tolerance energy: 1000 DEG C of 24 hours linear shrinkage ratio≤2%；
6. thermal stability is stablized, with the resistance to material same service life；
7. non-combustible, fire prevention can reach A grades.
Detailed description of the invention
Fig. 1 is a kind of product the schematic diagram of the section structure of the invention.
In figure, 1- core plate；2- protective layer；3- venthole.
Specific embodiment
The heat-insulating material of lightening fire resistant as shown in Figure 1 has protective layer and the inside it entire internal sky of filling
Between core plate, protective layer side wall have venthole.
Ashes (flyash) and staple glass fibre, quick lime, nanometer inducing agent, opacifier etc. are sufficiently mixed into composition powder
Material ratio are as follows: 45-55:1-3:25-35:2-5:10-20, such ratio can obtain heat resistance, thermal insulation, flexibility, low close
The almost best combination of degree.
Mixed powder is poured into mold to suppress, size specification is adjusted according to the size of mold, and thickness is according to pouring into
The adjustment of powder quantity.
Pressure control is pressed into required specification and thickness at 20 tons/every square metre or so and the insulation of plate low-density is made
Layer.
Low-density heat insulation layer is put into 150-200 DEG C of curing kilns and is passed through low-pressure steam to kiln inner pressure 0.1MPa, microwave
It is heated to 200 DEG C to stop 30 minutes, pressure release is dried 10-20 minutes.
Plate low-density insulating layer is wrapped up with non-woven fabrics, non-woven fabrics is 40-80 Ke/㎡, obtains protection low-density
The effect of heat insulation layer.
The weight of the thermal insulation material by taking 10mm thickness as an example≤3kg/ ㎡, obtain heat-insulating material and led at 1000 DEG C
Hot coefficient≤0.03W/m.K, linear shrinkage ratio≤2%.
Claims (8)
1. a kind of heat-insulating material of lightening fire resistant, it is characterised in that: by the inorganic heat insulation layer core plate to foam and overcoating guarantor
Sheath and constitute；Contain flyash, short glass fiber, quick lime, inducing agent in the raw material of inorganic heat insulation layer core plate, or contains
Opacifier.
2. the heat-insulating material of lightening fire resistant according to claim 1, it is characterised in that: used foaming agent and its hair
Technique is steeped to guarantee to obtain the inorganic heat insulation layer core plate of closed-cell foam low-density.
3. the heat-insulating material of lightening fire resistant according to claim 1, it is characterised in that: the protective layer is plastic-aluminum combined
Film or nonwoven cloth material.
4. the heat-insulating material of lightening fire resistant according to claim 2 or 3, it is characterised in that: the protective layer is to connect
Continuous sealing, the inorganic heat insulation layer core plate is filled with entire protective layer inner space.
5. a kind of foam process of the heat-insulating material of lightening fire resistant, it is characterised in that: have following process steps: will be inorganic exhausted
The raw material of thermosphere core plate, which is put into 150-200 DEG C of curing kilns, is passed through low-pressure steam to kiln inner pressure 0.05-0.2MPa, microwave heating
To 200 DEG C or so stop 20-40 minutes, pressure release dries 10-20 minute into inorganic heat insulation layer core plate.
6. the foam process of heat-insulating material according to claim 5, it is characterised in that: first by inorganic heat insulation layer core plate
Raw material is placed in inside ready-made protective layer, using protective layer as a kind of curing kilns, realizes foaming simultaneously by foaming technique
Type-approval process is completed, protective film is obtained and inorganic heat insulation layer core plate is bonded as the structure of an entirety.
7. the foam process of heat-insulating material according to claim 6, it is characterised in that: be reserved with outlet on protective film
Hole, thus the excessive gas generated in foaming process emits, and phase automatic adhesive blocks the venthole after expanding.
8. the heat-insulating material of lightening fire resistant according to claim 1, it is characterised in that: the flyash, be chopped glass
Glass fiber, quick lime, inducing agent, opacifier weight ratio are as follows: 45-55:1-3:25-35:2-5:10-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008917.0A CN109185599A (en) | 2018-08-31 | 2018-08-31 | Lightening fire resistant heat-insulating material and its foam process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008917.0A CN109185599A (en) | 2018-08-31 | 2018-08-31 | Lightening fire resistant heat-insulating material and its foam process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185599A true CN109185599A (en) | 2019-01-11 |
Family
ID=64917623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008917.0A Pending CN109185599A (en) | 2018-08-31 | 2018-08-31 | Lightening fire resistant heat-insulating material and its foam process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185599A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439960A (en) * | 2020-04-07 | 2020-07-24 | 南通根博新材料科技有限公司 | Environment-friendly light heat-insulating material and preparation method thereof |
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2018
- 2018-08-31 CN CN201811008917.0A patent/CN109185599A/en active Pending
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| CN101713236A (en) * | 2009-11-30 | 2010-05-26 | 陈兆平 | Light and high-strength wallboard made from fiber reinforced concrete and preparation method thereof |
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| CN111439960A (en) * | 2020-04-07 | 2020-07-24 | 南通根博新材料科技有限公司 | Environment-friendly light heat-insulating material and preparation method thereof |
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Application publication date: 20190111 |