CN114507057A - High fire-resistant low heat conduction composite material - Google Patents
High fire-resistant low heat conduction composite material Download PDFInfo
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- CN114507057A CN114507057A CN202210194091.1A CN202210194091A CN114507057A CN 114507057 A CN114507057 A CN 114507057A CN 202210194091 A CN202210194091 A CN 202210194091A CN 114507057 A CN114507057 A CN 114507057A
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- Prior art keywords
- silicon
- fire
- volume ratio
- absolute volume
- cementing material
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7028—Door leaves characterised by the filling between two external panels of cementituous type, e.g. concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a high-fire-resistance low-heat-conduction composite material which comprises hollow silicon-aluminum foaming fire-resistant granules, a cementing material and silicon fibers, wherein the absolute volume ratio of the hollow silicon-aluminum foaming fire-resistant granules is 40-72%, the absolute volume ratio of the cementing material is 25-40%, the absolute volume ratio of the silicon fibers is 3-6%, the hollow silicon-aluminum foaming fire-resistant granules, the cementing material and the silicon fibers are subjected to wet blending or dry extrusion molding, and the hollow silicon-aluminum foaming fire-resistant granules and the cementing material silicon fibers form a fire-resistant component. The hollow silicon-aluminum foaming refractory aggregate is formed by the hollow silicon-aluminum foaming refractory aggregate, the cementing material and the silicon fiber according to the absolute volume ratio, after wet mixing or dry extrusion forming, the cementing material cements the hollow silicon-aluminum foaming refractory aggregate and the silicon fiber to form discontinuous porous property and block a heat conduction path, so that the hollow silicon-aluminum foaming refractory aggregate has the characteristics of high temperature resistance and low back temperature, and can effectively block the radiation transmission of accumulated heat in a fire scene.
Description
Technical Field
The invention relates to the field of composite materials, in particular to a high-fire-resistance low-heat-conduction composite material.
Background
When a fire disaster happens, life damage and property loss are often caused, the main reason is that the fire spread is not effectively blocked, people have no enough time to escape, so that huge loss of lives and properties is caused, the fire blocking comprises the channeling of a fire-delaying tongue and high-temperature conduction, the fire-resistant materials used by the prior buildings mainly comprise two types, one type is prepared by mixing a porous mixture such as vermiculite and perlite with some cementing materials, and the other type is made of fiber materials such as rock wool, ceramic wool and the like, most of the materials have low heat conduction property at normal temperature (10-40 ℃), but have poor back temperature effect at the high temperature of 1000 ℃, for example, the asbestos material cannot resist high temperature, and is heated at the high temperature to form continuous porous property, so that heat flow directly penetrates, the defect of poor heat blocking effect at the high temperature is caused, and therefore, the fire-resistant materials and areas cannot be applied to structures and areas which need high temperature resistance, in addition, a high temperature resistant composite material has a disadvantage of high temperature resistance due to its high density and poor heat insulation effect, but a high back temperature due to excessive heat conduction is also a disadvantage, and thus, a high fire resistant low heat conduction composite material is proposed.
Disclosure of Invention
The present invention is directed to a highly fire-resistant low thermal conductivity composite material that solves the problems set forth above in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the high-fire-resistance low-heat-conduction composite material comprises hollow silicon-aluminum foaming fire-resistant granules, a cementing material and silicon fibers, wherein the absolute volume ratio of the hollow silicon-aluminum foaming fire-resistant granules is 40-72%, the absolute volume ratio of the cementing material is 25-40%, the absolute volume ratio of the silicon fibers is 3-6%, the hollow silicon-aluminum foaming fire-resistant granules, the cementing material and the silicon fibers are subjected to wet mixing or dry extrusion forming, and the hollow silicon-aluminum foaming fire-resistant granules and the cementing material silicon fibers form a fire-resistant component.
Preferably, the hollow silicon-aluminum foamed refractory aggregate is composed of silicon oxide, aluminum oxide, calcium oxide and iron oxide, the absolute volume ratio of the silicon oxide is 50-80%, the absolute volume ratio of the aluminum oxide is 10-30%, the absolute volume ratio of the calcium oxide and the iron oxide is 10-25%, and the hollow silicon-aluminum foamed refractory aggregate generates air hole foaming by utilizing the principle of expansion.
Preferably, the cementing material belongs to a hydraulic mineral powder cementing material, the cementing material consists of silicon oxide, aluminum oxide and calcium oxide, the absolute volume ratio of the silicon oxide is 30-40%, the absolute volume ratio of the aluminum oxide is 20-40%, the absolute volume ratio of the calcium oxide is 30-50%, and the cementing material is mixed by adding water to generate a cementing effect.
Preferably, the main component of the silicon fiber is silicon oxide, and the absolute volume ratio of the silicon oxide is 80-90%.
Preferably, the hollow silicon-aluminum foaming refractory aggregate and the cementing material silicon fiber can be re-proportioned according to different fire resistance characteristics and the requirement of adjusting the fire resistance function.
Preferably, the fireproof member can be used as an inner lining material of various fireproof members and arranged on the inner sides of a fireproof door, a fireproof wall, a fireproof pipeline, an air pipe, an elevator partition wall, a ceiling and the like.
The invention has the technical effects and advantages that:
1. the hollow silicon-aluminum foaming refractory aggregate is formed by the hollow silicon-aluminum foaming refractory aggregate, the cementing material and the silicon fiber according to the absolute volume ratio, after wet mixing or dry extrusion forming, the cementing material cements the hollow silicon-aluminum foaming refractory aggregate and the silicon fiber to form discontinuous porous property and block a heat conduction path, so that the hollow silicon-aluminum foaming refractory aggregate has the characteristics of high temperature resistance and low back temperature, and can effectively block the radiation transmission of accumulated heat in a fire scene.
Drawings
FIG. 1 is a schematic view of a hollow silica-alumina foamed refractory pellet of the present invention.
Figure 2 is a schematic view of the cement of the present invention.
FIG. 3 is a schematic representation of a silicon fiber according to the present invention.
FIG. 4 is a schematic view of the composite material with high fire resistance and low thermal conductivity of the present invention.
Fig. 5 is a schematic cross-sectional view of fig. 4.
FIG. 6 is a schematic diagram of the position of the back temperature heating temperature measurement of the fire door of the present invention.
Fig. 7 is a schematic view of the position of the fire door deflection deformation measurement according to the present invention.
In the figure: hollow silicon-aluminum foaming refractory aggregate 1, cementing material 2 and silicon fiber 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Please refer to fig. 1-3, which shows a high-fire-resistance low-thermal-conductivity composite material, comprising a hollow silicon-aluminum foamed refractory aggregate 1, a cementing material 2 and a silicon fiber 3, wherein the absolute volume ratio of the hollow silicon-aluminum foamed refractory aggregate 1 is 40-72%, the absolute volume ratio of the cementing material 2 is 25-40%, the absolute volume ratio of the silicon fiber 3 is 3-6%, the hollow silicon-aluminum foamed refractory aggregate 1, the cementing material 2 and the silicon fiber 3 are mixed by a wet method or extruded by a dry method, the hollow silicon-aluminum foamed refractory aggregate 1 and the cementing material 2 and the silicon fiber 3 form a refractory component, the prepared high-fire-resistance low-thermal-conductivity composite material is a novel composite material with fire-resistance property formed by cementing the cementing material 2 to cement the hollow silicon-aluminum foamed aggregate 1 and the silicon fiber 3, the path through which the heat flow passes is blocked, and the material has high-temperature-resistance property and forms discontinuous porous property, the heat conduction path is blocked, and the heat insulation capability is good;
the hollow silicon-aluminum foamed refractory aggregate 1 consists of silicon oxide, aluminum oxide, calcium oxide and ferric oxide, the absolute volume ratio of the silicon oxide is 50-80%, the absolute volume ratio of the aluminum oxide is 10-30%, the absolute volume ratio of the calcium oxide and the ferric oxide is 10-25%, the hollow silicon-aluminum foamed refractory aggregate 1 generates air hole foaming by utilizing the expansion principle and can effectively block a heat conduction path, the cementing material 2 belongs to hydraulic mineral powder cementing material, the cementing material 2 consists of silicon oxide, the high-temperature-resistant low-temperature-resistant high-temperature-resistant high-temperature-resistant high-temperature high-heat-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature high-resistant high-temperature;
the hollow silicon-aluminum foaming fireproof aggregate 1 and the cementing material 2 are silicon fiber 3, the fireproof function can be adjusted according to different fireproof characteristics, the proportioning needs to be carried out again, the fireproof components can be used as lining materials of various fireproof components and arranged on the inner sides of fireproof doors, fireproof walls, fireproof pipelines, air pipes, elevator partition walls, ceilings and the like, and the adaptability is high.
Example two
Referring to fig. 4 and 5, the hollow silicon-aluminum foamed refractory granules 1, the binder 2 and the silicon fiber 3 can be formed by wet blending or dry extrusion, the manufactured high-fire-resistance low-heat-conduction composite material is formed by binding the hollow silicon-aluminum foamed granules 1 and the silicon fiber 3 by the binder 2, and a novel composite material with fire-proof property is also formed, the combination mode of the composite material is that the composite material is combined by firstly selecting a high-temperature-resistant material and then applying a low-heat-conduction characteristic that the air heat conduction is only 0.023W/mk through a heat-insulation conduction mode to block a path through which heat flows, and meanwhile, the material has the high-temperature-resistant (above 1000 ℃) characteristic and forms a discontinuous porous property to block a heat-conduction path. The heat insulation material is different from the conventional heat insulation material which has good low heat conduction characteristic only at normal temperature of 10-40 ℃, but has poor heat resistance effect at high temperature (above 1000 ℃), so that heat flow is easy to pass through, and the heat insulation material cannot be suitable for high temperature resistant materials and areas.
After the composite material with high fire resistance and low heat conduction is manufactured, the composite material can be used as an inner lining material of a fireproof door, and can meet the standard of A fireproof doors for CNS 11227A3223 buildings, namely in a heating test, the back surface temperature of the fireproof door is lower than 260 ℃, the reverse bending or deflection of each part at the periphery of a fireproof door test body is lower than l2/6000, and the radiation transmission of accumulated heat in a fire scene can be effectively blocked.
The fire resistance and back temperature measurement test (steel door frame size is 120X 210X 4cm) is performed by using the composite material with high fire resistance and low heat conduction as the fire door lining material, and the fire door test, the fire door fire resistance test, the measurement position of the back temperature heating temperature of the fire door lining material (as shown in figure 6), according to CNS regulations, should be below 260 ℃. The deflection deformation measurement position of the fireproof door (as shown in figure 7) is determined by CNS, and the reverse bending or deflection must not exceed l 2/6000.
TABLE 1 relationship table of temperature and time in high-temperature furnace for fire-proof door fire-proof test
Unit: c
TABLE 2 relationship table of back temperature and time for fire-proof door fire-proof test
Unit: c
The test results are shown in table 2, in the fire resistance test of the fire door, the relationship between the back temperature of the fire door and the time shows that the positions of all the points can be controlled below 100 ℃ through the detection positions of 6 points.
From the results in Table 3, it is clear that the material of the present invention does not swell at high temperature, but slightly shrinks in size, so that the dimensional shift of the sample is negative.
TABLE 3 TEST BODY OF FIRE-RESISTANCE TEST FOR FIRE-PROOF DOOR DISPLACEMENT CHANGING TABLE
Unit: mm is
From the above results of the fire resistance test of the fire door, the composite material of the present invention with high fire resistance and low thermal conductivity can effectively control the back temperature below 100 ℃, and is a very suitable fire-proof material.
The working principle of the invention is as follows: when the fireproof member is used, the fireproof function can be adjusted according to different fireproof characteristics, the best fireproof effect is obtained, the fireproof member can be used as an inner lining material of various fireproof members and arranged on the inner sides of a fireproof door, a fireproof wall, a fireproof pipeline, an air pipe, an elevator partition wall, a ceiling and the like, the fireproof member has the characteristics of high temperature resistance and low back temperature, and radiation propagation of accumulated heat in a fire scene can be effectively blocked.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-fire-resistance low-heat-conduction composite material comprises hollow silicon-aluminum foaming refractory granules (1), a cementing material (2) and silicon fibers (3), and is characterized in that the absolute volume ratio of the hollow silicon-aluminum foaming refractory granules (1) is 40-72%, the absolute volume ratio of the cementing material (2) is 25-40%, the absolute volume ratio of the silicon fibers (3) is 3-6%, the hollow silicon-aluminum foaming refractory granules (1), the cementing material (2) and the silicon fibers (3) are formed by wet mixing or dry extrusion, and the hollow silicon-aluminum foaming refractory granules (1) and the cementing material (2) silicon fibers (3) form a refractory component.
2. The composite material according to claim 1, wherein the hollow silica-alumina foamed refractory pellet (1) is composed of silica, alumina, calcium oxide, and iron oxide, wherein the absolute volume ratio of silica is 50 to 80%, the absolute volume ratio of alumina is 10 to 30%, the absolute volume ratio of calcium oxide to iron oxide is 10 to 25%, and the hollow silica-alumina foamed refractory pellet (1) is expanded to generate pore foaming.
3. The composite material with high fire resistance and low heat conduction according to claim 1 is characterized in that the cementing material (2) belongs to hydraulic mineral powder cementing material, the cementing material (2) is composed of silicon oxide, aluminum oxide and calcium oxide, the absolute volume ratio of the silicon oxide is 30-40%, the absolute volume ratio of the aluminum oxide is 20-40%, the absolute volume ratio of the calcium oxide is 30-50%, and the cementing material (2) is cemented by adding water.
4. The composite material of claim 1, wherein the main component of the silicon fiber (3) is silica, and the absolute volume ratio of silica is 80 to 90%.
5. The composite material of claim 1, wherein the hollow silica-alumina foamed refractory aggregate (1) and the binder (2) and the silica fiber (3) are capable of being re-proportioned according to the requirement of adjusting the refractory function according to different refractory characteristics.
6. The composite material of claim 1, wherein the fire-resistant member is used as an inner lining of various fire-resistant members inside fire-resistant doors, fire-resistant walls, fire-resistant ducts, air ducts, elevator partitions, ceilings, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194091.1A CN114507057A (en) | 2022-03-01 | 2022-03-01 | High fire-resistant low heat conduction composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194091.1A CN114507057A (en) | 2022-03-01 | 2022-03-01 | High fire-resistant low heat conduction composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114507057A true CN114507057A (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210194091.1A Withdrawn CN114507057A (en) | 2022-03-01 | 2022-03-01 | High fire-resistant low heat conduction composite material |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097198A (en) * | 1990-12-26 | 1995-01-11 | 埃拉有限公司 | Advanced geopolymer composites |
| TWI293980B (en) * | 2001-07-16 | 2008-03-01 | Ren Jie Ye Industry Co Ltd | |
| CN101148343A (en) * | 2007-08-27 | 2008-03-26 | 浙江工业大学 | Gradient composite heat-insulating layer and manufacturing method thereof |
| CN109562998A (en) * | 2016-07-20 | 2019-04-02 | 西索斯公司 | Application of the geo-polymer additive together with non-brominated fire retardant in foam of polymers |
-
2022
- 2022-03-01 CN CN202210194091.1A patent/CN114507057A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097198A (en) * | 1990-12-26 | 1995-01-11 | 埃拉有限公司 | Advanced geopolymer composites |
| TWI293980B (en) * | 2001-07-16 | 2008-03-01 | Ren Jie Ye Industry Co Ltd | |
| CN101148343A (en) * | 2007-08-27 | 2008-03-26 | 浙江工业大学 | Gradient composite heat-insulating layer and manufacturing method thereof |
| CN109562998A (en) * | 2016-07-20 | 2019-04-02 | 西索斯公司 | Application of the geo-polymer additive together with non-brominated fire retardant in foam of polymers |
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Application publication date: 20220517 |