CN101747675A - Tunnel fireproof paint - Google Patents
Tunnel fireproof paint Download PDFInfo
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- CN101747675A CN101747675A CN201010034330A CN201010034330A CN101747675A CN 101747675 A CN101747675 A CN 101747675A CN 201010034330 A CN201010034330 A CN 201010034330A CN 201010034330 A CN201010034330 A CN 201010034330A CN 101747675 A CN101747675 A CN 101747675A
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Abstract
The invention relates to fireproof paint, in particular to tunnel fireproof paint, which is prepared from the following ingredients: a major bonding agent (ordinary Portland cement), inorganic heat insulation filling materials (expanded perlite, expanded vermiculite, meerschaum, kaoline and wollastonite powder) and addition agents (calcium formate, starch ether, redispersible latex powder, methyl cellulose ether and polypropylene fiber). Through the unique addition agent combination and the prescription mixture ratio, the tunnel fireproof paint has the advantages that the construction performance is obviously improved, at the same time, the integral overall performance of the tunnel fireproof paint is greatly improved, and the tunnel fireproof paint has the characteristics of stable fireproof performance, high adhesion intensity and stable physicochemical performance. Simultaneously, the product per se generates no toxic substance in the construction and burning processes, has the effects of environment protection and high practicability, and can be widely used for the fireproof protection of buildings such as highways, railways, subway tunnels and the like.
Description
Technical field
The present invention relates to a kind of fire prevention class coating, specifically a kind of fire-proof coating for tunnels.
Background technology
Along with the Chinese Urbanization development is more and more faster, the tunnel becomes a kind of realization distance weak point, saves the area, and does not destroy the transportation building thing of physical environment, therefore, in today that Land values increase day by day, this buildings is a kind of ideal and common modern transportation buildings.By the end of the year 2007, the tunnel total kilometrage of China is 2555.5 kilometers, increases by 38.75% in the past on year-on-year basis, and rising tendency is so fast, has also brought bigger test for our fire-fighting.The tunnel is a kind of airtight relatively buildings, flow of personnel is big, in case presence of fire, evacuating personnel and fire attack difficulty, and tunnel construction is generally skeleton construction, and Steel Concrete does not have resistance to elevated temperatures, and the tunnel masonry at high temperature can lose its intensity gradually, may cause great life and property damage, therefore, will drop to loss minimumly, the fire prevention of tunnel body of wall is handled and is seemed extremely important.
At present, the standard that fire-proof coating for tunnels is carried out is GA98-2005 " a concrete structure frie retardant coating ", and on March 1st, 2006 came into effect, and up to the present, domestic patent achievement is existing multinomial.For example, CN101570422 holds people such as seven English and has developed a kind of novel fireproof coating exclusively for tunnel, by high-alumina cement and silicate cement, expanded vermiculite, pearlstone, mica, sepiolite, wollastonite powder, glass hollow float bead, aluminium hydroxide, magnesium hydroxide, polypropene staple, high efficiency water reducing agent, redispersable latex powder is formed.CN101353489 Cai Wei waits the people to develop the fire-proof coating for tunnels of a kind of environmental protection, sound-absorbing clearly, is made up of refractory cements, perlite, vermiculite, lime carbonate or talcum powder, Natvosol.People such as CN101407649 Liu Jun brightness have developed a kind of binder complex tunnel fire protection coating, by ordinary Portland cement and high-alumina cement, and pearlstone, expanded vermiculite and light calcium carbonate, inorganic mineral fiber, fire retardant, rubber powder, water reducer, air entrapment agent and swelling agent.People such as CN101343430 Xu Zhi victory have developed nanometer, inorganic, expansion type tunnel fire-proof paint, with water glass is main raw material, be equipped with aluminate cement, organic-inorganic whipping agent, filler, auxiliary agent, nanometer TIO2 photocatalyst etc., undercoat is added with aluminate cement during construction, increases cohesive force; Floating coat is added with zeolite, to reduce noise; Finishing coat reduces water glass pH value to 10, adds nanometer TIO2, to prevent the chemical reaction of water glass and nanometer TIO2.CN101085893 Zhu Geyi has developed by expanded vermiculite, pearlstone, Portland blast, carboxymethyl cellulose, Natvosol, glass fibre, and the liquid material is: benzene emulsion, water.Above-mentioned prior art products has good effect on fire-resistant and cohesive strength, but also there are many weak points, for example form unreasonable, need heat batch mixing at the construction field (site), need add two kinds of materials when constructing at the scene respectively and mix, need every layer of different material of spraying etc. when constructing at the scene, these are in abominable relatively working-yard, brought many inconvenience to constructing operation, reduced operating efficiency, made final product quality be subjected to influence.Also have too much use high-alumina cement or organic class fire retardant material etc., bigger increase the final cost of product.In today of different growth of tunnel-like buildings day, the requirement of product is also improved thereupon, under the prerequisite that guarantees the stable product performance, excellent cost performance, splendid workability just can better meet the market requirement, and is easierly used widely.
Summary of the invention
The present invention is primarily aimed at the deficiencies in the prior art part, each component of prescription is more rationalized, the more important thing is and adopted the combination of unique auxiliary agent, provide the superior and product of a kind of workability can satisfy the fire-proof coating for tunnels of the every performance requriements of GA98-2005 " concrete structure frie retardant coating ".
The present invention is achieved by following technical solution:
Fire-proof coating for tunnels of the present invention is formed by the former material of dry powder, and its component and parts by weight are as follows:
1～8 part of 50～80 parts of auxiliary agent of 20～40 parts of inorganic thermal insulating fillings of binding agent.
Described binding agent is an ordinary Portland cement, and its strength mark is not higher than 42.5.
Described its component of inorganic thermal insulating filling and parts by weight are as follows:
10～15 parts of 10～15 parts of sepiolites of 15～25 parts of expanded vermiculites of pearlstone
10～25 parts of 15～25 parts of wollastonite powder of potter's clay.
Its component of described auxiliary agent and parts by weight are as follows:
0.8～4 part of 0.005～1 part of redispersable latex powder of 0.1～1 part of starch ethers of calcium formiate
0.05～1 part of 0.05～1 part of polypropylene fibre of methyl cellulose ether.
Fire-proof coating for tunnels dry powder compound acquisition methods of the present invention:
With raw material ordinary Portland cement, pearlstone, expanded vermiculite, sepiolite, potter's clay, wollastonite powder, calcium formiate, starch ethers, redispersable latex powder, methyl cellulose ether, polypropylene fibre drop into respectively to mix in the Forced Mixing machine and can be packaged as finished product in 7～8 minutes.
Fire-proof coating for tunnels preparation method of the present invention:
The dry powder compound of getting required a certain amount of fire-proof coating for tunnels adds fresh water by 70～90% of its weight ratio, mixes 8～10 minutes through forced stirrer, promptly joins promptly and uses.
The present invention compared with prior art has following positive effect and innovative point:
1, the present invention adopts unique auxiliary agent combination, makes workability obtain significant lifting, and this coating workability in cryogenic environment is stable equally, and is not high to environmental requirement; The working-yard is easy to married operation, and dry powder is mixed finished product and added fresh water by proportioning, promptly joins i.e. usefulness, and is easy to use; It is few to fall material in poly-spray process, and the service efficiency height has guaranteed the performance of product better; Fast drying shortens the spraying operational cycle.Make its whole synthesis performance obtain bigger improvement simultaneously, had the advantages that fire performance is stable, cohesive strength is big, physicochemical property is stable.
2, the calcium formiate in the combination of the auxiliary agent of uniqueness of the present invention has been accelerated the rate of drying of main binder cement, has shortened time of drying, in the construction process, avoids dry slow excessively situation under cryogenic environment especially in the winter time, has shortened construction period greatly.
3, the starch ethers in the combination of the auxiliary agent of uniqueness of the present invention, can stop this coating in poly-spray process, to fall the situation of material effectively, thickening effectiveness is obvious, has prevented that effectively layering, isolating phenomenon from appearring in material in mixing process, has improved the operability of construction.
4, the methyl cellulose ether in the auxiliary agent of the uniqueness of the present invention combination, can effectively prevent this coating in early days or hot weather occur dry too fastly and the rimose situation has air-entraining function simultaneously, improved the quantum of output of this coating, reduced construction cost.
5, the redispersable latex powder in the combination of the auxiliary agent of uniqueness of the present invention, can effectively improve this coating in poly-spray process with the cohesiveness of tunnel body of wall basal plane, improve Young's modulus and the snappiness and the force of cohesion of coating, coating antidetonation, the anti-performance that drops are greatly improved, can reduce simultaneously the amount of water of mixture, save water resources.
6, the polypropylene fibre in the auxiliary agent of the uniqueness of the present invention combination can effectively prevent the probability that drops of poly-spray material, can effectively prevent simultaneously behind construction at low temperature coating in early days Yin Wendu cross low and the rimose situation.
7, the present invention has reasonably selected light-weight inorganic thermal insulating fillings such as sepiolite, pearlstone, expanded vermiculite, potter's clay for use, improved the fire-resistant and sound-proofing properties of this coating, dry density is little, simultaneously because of the aggregate of granulated is arranged, make coatingsurface after the spraying be and slightly make shape, thus tool certain absorbing sound and lowering noise effect.
8, its former material of fire-proof coating for tunnels of the present invention and final coating are the asepsis environment-protecting material, produce with construction process and do not have " three wastes " generation.
9, product price ratio height, every performance all meets the requirement of GA98-2005, most materials of recipe ingredient easily purchase and the source of goods many, cheap, practicality is very strong, but widespread use.
Embodiment
Embodiment 1
Be 30 parts of 32.5 ordinary Portland cements successively by weight with label, 12 parts of wollastonite powder, 19 parts in potter's clay, 12 parts of sepiolites, 15 parts of pearlstones, 10 parts of expanded vermiculites, 0.1 part of calcium formiate, 1.4 parts of redispersable latex powders, 0.1 part of polypropylene fibre, 0.3 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 0.1 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 75% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Embodiment 2
Be 27 parts of 42.5 ordinary Portland cements successively by weight with label, 11 parts of wollastonite powder, 20 parts in potter's clay, 11 parts of sepiolites, 17 parts of pearlstones, 12 parts of expanded vermiculites, 0.1 part of calcium formiate, 1.6 parts of redispersable latex powders, 0.1 part of polypropylene fibre, 0.1 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 0.1 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 70% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Embodiment 3
Be 33 parts of 32.5 ordinary Portland cements successively by weight with label, 11 parts of wollastonite powder, 16 parts in potter's clay, 11 parts of sepiolites, 16 parts of pearlstones, 11 parts of expanded vermiculites, 0.1 part of calcium formiate, 1.7 parts of redispersable latex powders, 0.1 part of polypropylene fibre, 0.06 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 0.005 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 80% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Embodiment 4
Be 25 parts of 42.5 ordinary Portland cements successively by weight with label, 10 parts of wollastonite powder, 25 parts in potter's clay, 12 parts of sepiolites, 16 parts of pearlstones, 10 parts of expanded vermiculites, 0.3 part of calcium formiate, 4 parts of redispersable latex powders, 0.1 part of polypropylene fibre, 0.05 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 0.05 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 70% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Embodiment 5
Be 35 parts of 32.5 ordinary Portland cements successively by weight with label, 12 parts of wollastonite powder, 15 parts in potter's clay, 15 parts of sepiolites, 16 parts of pearlstones, 10 parts of expanded vermiculites, 0.1 part of calcium formiate, 1.2 parts of redispersable latex powders, 0.05 part of polypropylene fibre, 0.3 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 1 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 85% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Embodiment 6
Be 38 parts of 42.5 ordinary Portland cements successively by weight with label, 25 parts of wollastonite powder, 15 parts in potter's clay, 10 parts of sepiolites, 25 parts of pearlstones, 15 parts of expanded vermiculites, 1 part of calcium formiate, 0.8 part of redispersable latex powder, 1 part of polypropylene fibre, 1 part of methyl cellulose ether, starch ethers are added in the Forced Mixing machine for 0.5 part and mix 8min, discharging then, with the dry powder compound for preparing, getting a certain amount of 90% fresh water that adds the compound weight ratio is thick pulpous state fire-proof coating for tunnels to Forced Mixing machine mixing 10min, and related detection requires and the result, sees attached list 1.
Subordinate list 1 fire-proof coating for tunnels The performance test results:
| Test item | The GA98-2005 performance index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| State in container | After stirring, be even thick liquid, do not have caking | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| Surface drying time/h | ??≤24 | ??8 | ??9 | ??8 | ??10 | ??9 | ??7 |
| Cohesive strength/Mpa | ??≥0.1 | ??0.32 | ??0.28 | ??0.37 | ??0.26 | ??0.38 | ??0.41 |
| Dry density/(kg/m 3) | ??≤800 | ??546 | ??553 | ??550 | ??480 | ??565 | ??580 |
| Water tolerance/h | After 720h test, coating does not ftracture, aliquation, come off, and allows gently to swell and variable color | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| Alkali resistance/h | After 360h test, coating does not ftracture, aliquation, come off, and allows gently to swell and variable color | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| Acid resistance/h | After 360h test, coating does not ftracture, aliquation, come off, and allows gently to swell and variable color | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| The freeze-thawing resistant round-robin test/time | Through 15 times the test after, coating does not ftracture, aliquation, come off, variable color | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| Humidity resistance/h | After 720h test, coating does not ftracture, aliquation, come off, variable color | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements | Meet the requirements |
| Fire performance/h | Coat-thickness 20mm ± 2, fire-resistant 〉=2h | ??2.8 | ??2.9 | ??2.8 | ??3.1 | ??2.9 | ??2.7 |
Annotate: the detection operative norm is GA98-2005 " a concrete structure frie retardant coating ", and check is with reference to technical requirements regulation number GA98-2005,5.2.2.
Claims (4)
1. fire-proof coating for tunnels, it is characterized in that: its component and parts by weight are as follows:
1～8 part of 50～80 parts of auxiliary agent of 20～40 parts of inorganic thermal insulating fillings of binding agent.
2. fire-proof coating for tunnels according to claim 1 is characterized in that: described binding agent is an ordinary Portland cement, and its strength mark is not higher than 42.5.
3. fire-proof coating for tunnels according to claim 1 is characterized in that: described its component of inorganic thermal insulating filling and parts by weight are as follows:
10～15 parts of 10～15 parts of sepiolites of 15～25 parts of expanded vermiculites of pearlstone
10～25 parts of 15～25 parts of wollastonite powder of potter's clay.
4. fire-proof coating for tunnels according to claim 1 is characterized in that: its component of described auxiliary agent and parts by weight are as follows:
0.8～4 part of 0.005～1 part of redispersable latex powder of 0.1～1 part of starch ethers of calcium formiate
0.05～1 part of 0.05～1 part of polypropylene fibre of methyl cellulose ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010034330A CN101747675A (en) | 2010-01-18 | 2010-01-18 | Tunnel fireproof paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010034330A CN101747675A (en) | 2010-01-18 | 2010-01-18 | Tunnel fireproof paint |
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| Publication Number | Publication Date |
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| CN101747675A true CN101747675A (en) | 2010-06-23 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043971A (en) * | 2013-01-10 | 2013-04-17 | 厦门力嘉诚防水工程有限公司 | Cracking-resistant cement-base waterproof coating |
| CN103232197A (en) * | 2013-04-28 | 2013-08-07 | 长安大学 | Geopolymer tunnel fireproof coating and preparation method thereof |
| CN103627265A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Fireproof coating for tunnels |
| CN103965705A (en) * | 2014-05-21 | 2014-08-06 | 关宏 | Thin type tunnel mildew-resistant fire-proof coating |
| CN104194426A (en) * | 2014-09-16 | 2014-12-10 | 福州大学 | Alkali slag tunnel fireproof coating and use method thereof |
| CN104672960A (en) * | 2015-03-11 | 2015-06-03 | 江苏欣安新材料技术有限公司 | Environment-friendly fire retardant coating for tunnel and preparation method of fire retardant coating |
| CN105017821A (en) * | 2015-08-04 | 2015-11-04 | 常州市鼎日环保科技有限公司 | Preparation method of water-resistant tunnel fire-resistant paint |
| CN105694648A (en) * | 2016-02-29 | 2016-06-22 | 公安部四川消防研究所 | Hydrocarbon resistance fire-proof and explosion-proof coating |
| CN106928761A (en) * | 2017-03-23 | 2017-07-07 | 柳州弘天科技有限公司 | A kind of anti-flaming dope |
| CN107522448A (en) * | 2017-08-10 | 2017-12-29 | 广州大学 | A kind of composite fire-proof material and preparation method thereof |
| CN108410352A (en) * | 2018-03-29 | 2018-08-17 | 福建漳平众知防火科技有限公司 | A kind of waterborne thin fire retardant coating for steel structure, fire-proof mud and preparation method thereof |
| CN111019417A (en) * | 2019-12-16 | 2020-04-17 | 青岛环秀涂料有限公司 | Inorganic heat-preservation, heat-insulation, fireproof and hydrophobic coating and preparation method thereof |
| CN113480928A (en) * | 2021-07-26 | 2021-10-08 | 石家庄易辰防火保温材料有限公司 | Fireproof coating |
| CN113530242A (en) * | 2021-07-26 | 2021-10-22 | 湖北淇源新材料科技有限公司 | Environment-friendly waterproof heat-preservation construction method |
| CN113526918A (en) * | 2021-07-29 | 2021-10-22 | 应急管理部天津消防研究所 | Non-combustible fireproof building material and preparation method and application thereof |
| CN115534443A (en) * | 2022-10-08 | 2022-12-30 | 苏州盛达飞智能科技股份有限公司 | Electromagnetic shielding material for hard package |
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2010
- 2010-01-18 CN CN201010034330A patent/CN101747675A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103043971A (en) * | 2013-01-10 | 2013-04-17 | 厦门力嘉诚防水工程有限公司 | Cracking-resistant cement-base waterproof coating |
| CN103043971B (en) * | 2013-01-10 | 2015-02-11 | 厦门力嘉诚防水工程有限公司 | Cracking-resistant cement-base waterproof coating |
| CN103232197B (en) * | 2013-04-28 | 2015-02-25 | 长安大学 | Geopolymer tunnel fireproof coating and preparation method thereof |
| CN103232197A (en) * | 2013-04-28 | 2013-08-07 | 长安大学 | Geopolymer tunnel fireproof coating and preparation method thereof |
| CN103627265A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Fireproof coating for tunnels |
| CN103965705A (en) * | 2014-05-21 | 2014-08-06 | 关宏 | Thin type tunnel mildew-resistant fire-proof coating |
| CN104194426B (en) * | 2014-09-16 | 2016-07-06 | 福州大学 | A kind of alkali-activated slag fire-proof coating for tunnels and using method thereof |
| CN104194426A (en) * | 2014-09-16 | 2014-12-10 | 福州大学 | Alkali slag tunnel fireproof coating and use method thereof |
| CN104672960A (en) * | 2015-03-11 | 2015-06-03 | 江苏欣安新材料技术有限公司 | Environment-friendly fire retardant coating for tunnel and preparation method of fire retardant coating |
| CN105017821A (en) * | 2015-08-04 | 2015-11-04 | 常州市鼎日环保科技有限公司 | Preparation method of water-resistant tunnel fire-resistant paint |
| CN105694648A (en) * | 2016-02-29 | 2016-06-22 | 公安部四川消防研究所 | Hydrocarbon resistance fire-proof and explosion-proof coating |
| CN105694648B (en) * | 2016-02-29 | 2017-10-17 | 公安部四川消防研究所 | The resistance to fire-proof and explosion-proof coating of hydro carbons |
| CN106928761A (en) * | 2017-03-23 | 2017-07-07 | 柳州弘天科技有限公司 | A kind of anti-flaming dope |
| CN107522448A (en) * | 2017-08-10 | 2017-12-29 | 广州大学 | A kind of composite fire-proof material and preparation method thereof |
| CN108410352A (en) * | 2018-03-29 | 2018-08-17 | 福建漳平众知防火科技有限公司 | A kind of waterborne thin fire retardant coating for steel structure, fire-proof mud and preparation method thereof |
| CN108410352B (en) * | 2018-03-29 | 2020-11-13 | 福建漳平众知防火科技有限公司 | Water-based thin steel structure fireproof coating, fireproof mud and preparation method thereof |
| CN111019417A (en) * | 2019-12-16 | 2020-04-17 | 青岛环秀涂料有限公司 | Inorganic heat-preservation, heat-insulation, fireproof and hydrophobic coating and preparation method thereof |
| CN113480928A (en) * | 2021-07-26 | 2021-10-08 | 石家庄易辰防火保温材料有限公司 | Fireproof coating |
| CN113530242A (en) * | 2021-07-26 | 2021-10-22 | 湖北淇源新材料科技有限公司 | Environment-friendly waterproof heat-preservation construction method |
| CN113530242B (en) * | 2021-07-26 | 2022-05-10 | 湖北淇源新材料科技有限公司 | Environment-friendly waterproof heat-preservation construction method |
| CN113526918A (en) * | 2021-07-29 | 2021-10-22 | 应急管理部天津消防研究所 | Non-combustible fireproof building material and preparation method and application thereof |
| CN115534443A (en) * | 2022-10-08 | 2022-12-30 | 苏州盛达飞智能科技股份有限公司 | Electromagnetic shielding material for hard package |
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Open date: 20100623 |