CN100554220C - Tunnel lightweight inorganic fireproof composite material - Google Patents
Tunnel lightweight inorganic fireproof composite material Download PDFInfo
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- CN100554220C CN100554220C CNB2007100507459A CN200710050745A CN100554220C CN 100554220 C CN100554220 C CN 100554220C CN B2007100507459 A CNB2007100507459 A CN B2007100507459A CN 200710050745 A CN200710050745 A CN 200710050745A CN 100554220 C CN100554220 C CN 100554220C
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000002344 surface layer Substances 0.000 claims abstract description 10
- 239000011398 Portland cement Substances 0.000 claims abstract description 9
- 239000003063 flame retardant Substances 0.000 claims abstract description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000010455 vermiculite Substances 0.000 claims abstract description 7
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 7
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000010440 gypsum Substances 0.000 claims abstract description 4
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 4
- 239000010445 mica Substances 0.000 claims abstract description 4
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 4
- 239000012784 inorganic fiber Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 3
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical group C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229920000142 Sodium polycarboxylate Polymers 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims description 2
- 239000000176 sodium gluconate Substances 0.000 claims description 2
- 229940005574 sodium gluconate Drugs 0.000 claims description 2
- 235000012207 sodium gluconate Nutrition 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Ceramic Products (AREA)
Abstract
The invention provides a kind of tunnel lightweight inorganic fireproof composite material, be composited by trilaminate material, from inside to outside, the firstth, spray the inorganic fibre fire-retardant material, its component comprises that inorganic fire fiber, expanded vermiculite powder, expanded graphite powder, ordinary Portland cement etc., the second layer are the surface layer fire-retardant materials, its component comprises ordinary Portland cement, mica powder, gypsum, talcum powder etc., and the 3rd layer is the fire-retardant decorative material, is flame retardant type single face clad aluminum foil.This matrix material fire endurance height, thermal conductivity is still extremely low under the high temperature of the hydrocarbon fire scene of a fire, the flameproof effect excellence; Sole mass loss is little in fire, fusing and drippage can not occur; Light weight, good weatherability, sound absorbing is good, and the high frequency noise reduction is obvious; Cost is low, and construction intensity is little, and expense is low; Good decorative property, surfacing, attractive in appearance is mainly used in tunnel inwall flameproof protection.
Description
Technical Field
The invention relates to a fireproof material, in particular to a light inorganic fireproof composite material for a tunnel.
Background
At present, fireproof materials are widely applied to highway and railway tunnel engineering, and particularly, the fireproof protection of highway tunnels is realized. The prior art is used for the fire-proof and heat-insulation protection of tunnels and comprises fire-proof paint and fire-proof plates. The fireproof paint mainly comprises tunnel fireproof paint, and the fireproof plate comprises a gypsum plaster plate, a calcium silicate plate, a hollow strip plate, a glass fiber reinforced cement plate, a composite strip plate, a composite large plate and the like. These materials have advantages and disadvantages. Chinese patent 200610020287X discloses a multifunctional light inorganic fireproof fiber sheath material, which comprises inorganic fireproof fibers, expanded vermiculite powder, ordinary portland cement, a setting accelerator, a water reducing agent, a thickening agent and a purifying bactericide. The material has the advantages of long fire-resistant time, light weight, high temperature resistance, heat insulation, low cost, antibiosis, sterilization and the like, can well meet the requirement of fire protection of a building steel structure, but is not suitable for the fire protection inside a tunnel taking concrete as a base material. The reason is that the light in the tunnel is weak, the purifying bactericide can not effectively play the role of antibiosis and sterilization, the requirement of the hydrocarbon fire test condition with rapid temperature rise on the fire-resistant time can not be met, and the surface is uneven and the decoration is poor.
Disclosure of Invention
The invention aims to overcome the defects and provide a tunnel light inorganic fireproof composite material which can meet various tunnel construction requirements and has an excellent tunnel fireproof protection function.
The invention relates to a light inorganic fireproof composite material for a tunnel, which is formed by compounding three layers of materials, wherein the first layer is a sprayed inorganic fiber fireproof material, the second layer is a surface layer fireproof material, and the third layer is a fireproof decorative material from inside to outside. Wherein,
the inorganic fiber spraying fireproof material comprises the following components in percentage by weight:
20-70% of inorganic fireproof fibers,
10-50 parts of expanded vermiculite powder particles,
0 to 5 parts by weight of expanded graphite particles,
8.5 to 30 parts of ordinary portland cement,
0 to 1 part of a solidification accelerator,
0 to 0.5 parts of a water reducing agent,
the thickening agent is 0-5.
Wherein the inorganic fireproof fiber is basalt continuous fiber chopped yarn, the length of the inorganic fireproof fiber is 0.5-2 cm, and the diameter of the inorganic fireproof fiber is 4-7 mu m. The fiber has a thermal conductivity of 0.031-0.038W/mK and an elastic modulus of 9100-11000 kg/mm2The tensile strength is 1.5 times of that of the glass fiber, the sound absorption coefficient is 0.9-0.99, and the water absorption rate is 1% of that of the glass fiber. The use temperature range is-260-982 ℃, the acid and alkali corrosion resistance is strong, and the material has the functions of reinforcement, fire resistance, sound absorption, durability and the like; the particle size of the expanded vermiculite powder is 20-40 meshes, and the expanded vermiculite powder plays the roles of an air collecting agent and a heat insulating agent in the material; the service temperature of the expanded graphite particles is 300-3000 ℃, the expanded graphite particles play a core role in resisting hydrocarbon fire and have good heat preservation and insulation effects; the ordinary portland cement No. 425 is mainly a bonding component, and forms a base material after hardening, so that the bonding property can be improved, a compact heat-insulating fireproof layer can be generated through glazing at high temperature, and the fireproof performance of the material is enhanced;the solidification accelerator is calcium chloride and mainly plays a role in accelerating solidification, so that the material can be fully solidified within 6-12 hours, and the construction efficiency is improved; the water reducing agent is sodium gluconate, can increase the plasticity and strength of the material, has a retarding effect, delays the initial setting and final setting time, and does not influence the firmness; the thickening agent is one or two of clay and organic bentonite, plays a role in thickening and also has the function of enhancing the bonding performance and the fire resistance.
The surface layer fireproof material comprises the following components in percentage by weight:
10-70 parts of ordinary portland cement,
1-20 parts of mica powder,
9-50 parts of gypsum, namely,
1 to 33 parts of talcum powder,
0-6 of surface layer additive.
The mica powder has the particle size of 80-100 meshes, is a high-temperature-resistant insulating material, has high electrical strength, large volume resistivity and good dielectric loss and electric resistance, and plays a role in fire prevention and heat insulation; the gypsum can adjust the curing time and the curing strength of the material; the talcum powder mainly plays a role in adjusting curing time and increasing strength; the surface layer additive is sodium polycarboxylate and mainly has the functions of adjusting curing time and improving leveling property.
The fireproof decorative layer is made of flame-retardant single-sided composite aluminum foil. The composite flame-retardant adhesive is prepared by pressing the composite flame-retardant adhesive on the inner surface of a composite aluminum foil (produced by Shanghai Ming jin composite aluminum tape aluminum foil factories), has the characteristics of flame retardance, water resistance, high energy conservation and the like, and has the advantages of smooth and flat surface, high light reflectivity, high longitudinal and transverse tensile strength, air impermeability, water impermeability, good sealing property, good decorative effect and good flame-retardant function.
In the light inorganic fireproof composite material for the tunnel, the thickness of the sprayed inorganic fiber fireproof material layer is 10-30 mm, and the thickness of the surface fireproof material layer is 1-4 mm.
The tunnel light inorganic fireproof composite material has the advantages that firstly, the construction requirements of the inner wall surface of a wet tunnel in an arch shape can be completely met; secondly, the fire resistance limit is high, the fireproof effect is excellent, the heat conductivity is still extremely low at high temperature of a hydrocarbon fire scene, the self mass loss in fire is small, melting and dripping cannot occur, and the original shape, thickness and density are maintained; thirdly, the weight is light, the dry density is low, and is only 430kg/m3The extra weight increase of the inner wall of the tunnel is small; fourthly, the weather resistance is good, and the paint can endure air corrosion and humid environment climate invasion for a long time; fifthly, the sound absorption is good, the sound absorption coefficient reaches 0.5, the high-frequency dryness reduction is obvious, and the dryness reduction of automobiles and trains in tunnels is facilitated; sixthly, the cost is low, the construction strength is low, the construction cost is low, the surface is smooth and attractive, and the decorative performance is good. The fireproof protection material is mainly used for fireproof protection of the inner surface of a tunnel and also can be used for fireproof protection of other concrete surfaces.
Detailed Description
The formulations of examples 1 to 6 of the present invention are shown in Table 1. The manufacturing process comprises the steps of firstly carrying out waterproof treatment on the surface of the inner wall of the tunnel, then uniformly mixing all components of the inorganic fiber spraying fireproof material, mixing the inorganic fiber spraying fireproof material and water according to the weight ratio of 1: 1.2, spraying the inorganic fiber spraying fireproof material and water to the surface of the inner wall of the tunnel by using a special spraying machine to ensure that the thickness of the inorganic fiber spraying fireproof material reaches 18mm +/-2 mm, and standing for 10 days until the inorganic fiber spraying fireproof material is basically dried; then evenly mixing the surface layer fireproof material and water according to the weight ratio of 1: 6, and flatly smearing the surface layer fireproof material with the thickness of 1mm on the surface; and finally, uniformly and flatly sticking a flame-retardant single-sided composite aluminum foil on the surface of the tunnel immediately, and manufacturing the tunnel light inorganic fireproof composite material on the inner surface of the tunnel. The performance index is shown in Table 2.
Table 1: examples 1 to 6 formulations (kg) of the present invention
Table 2: performance index tables of examples 1 to 3 of the present invention
Claims (3)
1. A tunnel light inorganic fireproof composite material is characterized by being formed by compounding three layers of materials, wherein from inside to outside, a first layer is a sprayed inorganic fiber fireproof material, a second layer is a surface layer fireproof material, and a third layer is a fireproof decorative material; wherein,
the inorganic fiber spraying fireproof material comprises the following components in percentage by weight:
20-70% of inorganic fireproof fibers,
10-50 parts of expanded vermiculite powder particles,
0 to 5 parts by weight of expanded graphite particles,
8.5 to 30 parts of ordinary portland cement,
0 to 1 part of a solidification accelerator,
0 to 0.5 parts of a water reducing agent,
0-5 parts of a thickening agent;
the surface layer fireproof material comprises the following components in percentage by weight:
10-70 parts of ordinary portland cement,
1-20 parts of mica powder,
9-50 parts of gypsum, namely,
1 to 33 parts of talcum powder,
0-6 parts of surface layer additives;
the fireproof decorative layer is made of a flame-retardant single-sided composite aluminum foil;
wherein the setting accelerator is calcium chloride, and the surface additive is sodium polycarboxylate.
2. The tunnel lightweight inorganic fireproof composite material of claim 1, wherein the inorganic fireproof fibers in the sprayed inorganic fiber fireproof material are basalt continuous fiber chopped yarns, the length of which is 0.5-2 cm, and the diameter of which is 4-7 μm; the particle size of the expanded vermiculite powder is 20-40 meshes; ordinary portland cement 425 #; the water reducing agent is sodium gluconate; the thickener is one or two of clay and organic bentonite.
3. The tunnel lightweight inorganic fireproof composite material of claim 1, wherein the thickness of the sprayed inorganic fiber fireproof material layer is 10 to 30mm, and the thickness of the surface fireproof material layer is 1 to 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100507459A CN100554220C (en) | 2007-12-11 | 2007-12-11 | Tunnel lightweight inorganic fireproof composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100507459A CN100554220C (en) | 2007-12-11 | 2007-12-11 | Tunnel lightweight inorganic fireproof composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101200380A CN101200380A (en) | 2008-06-18 |
| CN100554220C true CN100554220C (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100507459A Active CN100554220C (en) | 2007-12-11 | 2007-12-11 | Tunnel lightweight inorganic fireproof composite material |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880146B (en) * | 2010-06-18 | 2012-10-31 | 北京工业大学 | Cement composite shaping phase change material mortar and preparation method thereof |
| CN102030549B (en) * | 2010-11-08 | 2013-02-20 | 宁波市胜源技术转移有限公司 | Method for manufacturing composite tunnel fireproof board |
| CN102153360B (en) * | 2011-05-10 | 2013-02-20 | 山东钢铁股份有限公司 | Gunning refractory for heating furnace |
| CN103848609B (en) * | 2012-11-29 | 2015-08-12 | 刘平 | A kind of complex sound insulation sheet material |
| CN105152594A (en) * | 2015-07-03 | 2015-12-16 | 枞阳县天筑新型建筑材料有限公司 | Energy-saving and environmental protection inorganic thermal insulation mortar special for buildings and preparation method thereof |
| CN110683815A (en) * | 2019-11-22 | 2020-01-14 | 河南东风电力工程有限公司 | Inorganic fireproof blocking material |
-
2007
- 2007-12-11 CN CNB2007100507459A patent/CN100554220C/en active Active
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| CN101200380A (en) | 2008-06-18 |
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Assignee: Sichuan Tianfu Fireproof Material Co., Ltd. Assignor: Sichuan Fire Fighting Inst., Ministry of Public Safety Contract record no.: 2011510000332 Denomination of invention: Tunnel lightweight inorganic fireproof composite material Granted publication date: 20091028 License type: Exclusive License Open date: 20080618 Record date: 20111227 |