CN111875397A - Porous fireproof heat-insulating brick for building and manufacturing method thereof - Google Patents
Porous fireproof heat-insulating brick for building and manufacturing method thereof Download PDFInfo
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- CN111875397A CN111875397A CN202010775684.8A CN202010775684A CN111875397A CN 111875397 A CN111875397 A CN 111875397A CN 202010775684 A CN202010775684 A CN 202010775684A CN 111875397 A CN111875397 A CN 111875397A
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/48—Producing shaped prefabricated articles from the material by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
- E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-like 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The invention discloses a porous fireproof insulating brick for buildings and a manufacturing method thereof, and the technical scheme is as follows: the material comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, china clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution, and the main materials comprise the following components in parts by weight: argil: 30-50 parts of porcelain clay: 20-30 parts of shale: 10-30 parts of porous fireproof insulating brick for buildings and a manufacturing method thereof have the beneficial effects that: by using argil, china clay and shale as main materials, quartz sand, magnesite and dolomite as auxiliary materials and setting tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution as auxiliary materials, the fireproof capability of the fireproof wall is effectively improved, the strength of the fireproof wall is improved, the fireproof wall is guaranteed to be subjected to high temperature for a long time or is not easy to deform and damage, and the building safety is maintained.
Description
Technical Field
The invention relates to the technical field of refractory bricks, in particular to a porous fireproof insulating brick for buildings and a manufacturing method thereof.
Background
Refractory materials are generally divided into two categories, namely unshaped refractory and shaped refractory. The unshaped refractory material, also called as casting material, is a mixed powder granule composed of various aggregates or aggregates and one or more kinds of adhesives, and when in use, the unshaped refractory material must be matched with one or more kinds of liquids to be stirred uniformly, and has stronger fluidity. The shaped refractory material is generally a refractory brick, the shape of which has standard rules and can also be temporarily processed when being built and cut as required.
At present in the building field, in order to alleviate structure weight and promote syllable-dividing effect, often use the resistant firebrick that has porous structure, and traditional resistant firebrick not only leads to its cost higher because of self raw materials reason, and its fire resistance is comparatively general, when the conflagration breaing out, receives the high temperature fire for a long time and bakes the back, can take place to warp the phenomenon of damaging, has greatly influenced construction safety.
Therefore, it is necessary to invent a porous fireproof insulating brick for buildings and a manufacturing method thereof.
Disclosure of Invention
Therefore, the invention provides a porous fireproof heat-insulating brick for buildings and a manufacturing method thereof.
In order to achieve the above purpose, the invention provides the following technical scheme: the porous fireproof heat-insulating brick for the building and the manufacturing method thereof comprise main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution.
Preferably, the main material comprises the following components in parts by weight:
argil: 30-50 parts of
Porcelain clay: 20-30 parts of
Shale: 10-30 parts.
Preferably, the ingredients in the ingredients are respectively in parts by weight:
quartz sand: 10-20 parts of
Magnesite: 5-10 parts of
Dolomite: 10-15 parts.
Preferably, the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 5-10 parts of
Sodium hydroxide solution: 5-10 parts of
Magnesium hydroxide solution: 5-10 parts.
Preferably, the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%.
A manufacturing method of a porous fireproof insulating brick for buildings comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to make the block-shaped slurry have a porous structure;
and S6, placing the punched block-shaped slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out to obtain the brick.
The drying temperature in the S5 is 100-150 ℃, and the drying time is 2 hours.
And when sintering is carried out in S6, the heating temperature is 1000-1200 ℃, and the heating time is 4 hours.
The invention has the beneficial effects that:
the invention uses argil, china clay and shale as main materials, quartz sand, magnesite and dolomite as auxiliary materials, and tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution as auxiliary materials, wherein the argil and the china clay are main raw materials for manufacturing ceramics, the ceramics have better fire resistance and flame retardant capability, the shale also has flame retardant capability, and the shale is widely distributed in China and has lower cost, the quartz sand in the auxiliary materials is hard, wear-resistant and stable in chemical property, the magnesite has better fire resistance, when the dolomite is calcined at 1500 ℃, the magnesia becomes periclase, the calcium oxide is converted into crystal a-CaO, the structure is compact, the water resistance is strong, the fire resistance is up to 2300 ℃, thereby the fire resistance, the fire resistance and the flame retardant capability of the invention can be effectively improved, the self strength of the invention can be improved, and simultaneously the sodium hydroxide and the magnesium hydroxide belong to the category of inorganic flame retardants, the tricresyl phosphate belongs to an organic phosphorus flame retardant and has an excellent flame retardant effect, so that the flame retardant capability of the flame retardant can be further improved.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1:
the invention provides a porous fireproof heat-insulating brick for buildings and a manufacturing method thereof, wherein the porous fireproof heat-insulating brick comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution;
further, the main material comprises the following components in parts by weight:
argil: 50 portions of
Porcelain clay: 30 portions of
Shale: 30 parts of pottery clay and porcelain clay are main raw materials for manufacturing ceramics, the ceramics have better fire-resistant and flame-retardant capabilities, the shale also has flame-retardant capabilities, and the shale is widely distributed in China and has lower cost;
further, the ingredients in the ingredients are respectively in parts by weight:
quartz sand: 20 portions of
Magnesite: 10 portions of
Dolomite: 15 parts of quartz sand is hard, wear-resistant and stable in chemical performance, magnesite has better fire resistance and is commonly used as a refractory material, dolomite is decomposed into a mixture of carbon dioxide, calcium oxide and magnesium oxide when being heated to 700-900 ℃, the mixture is called caustic magnesium marble and is easy to react with water, when the dolomite is calcined at 1500 ℃, the magnesium oxide becomes periclase, the calcium oxide is converted into crystalline a-CaO, the structure is compact, the water resistance is strong, and the fire resistance reaches 2300 ℃, so that the fire resistance and the flame retardant capability of the invention can be effectively improved by adding ingredients;
further, the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 5 portions of
Sodium hydroxide solution: 5 portions of
Magnesium hydroxide solution: 10 parts of sodium hydroxide and magnesium hydroxide belong to the category of inorganic flame retardants, are nonvolatile, nontoxic and harmless in the using process and safe to use, and tricresyl phosphate belongs to an organic phosphorus flame retardant, has a very good flame retardant effect and further improves the flame retardant capability of the flame retardant;
further, the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%;
a manufacturing method of a porous fireproof insulating brick for buildings comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to enable the block-shaped slurry to have a porous structure, wherein the drying temperature is 150 ℃, and the drying time is 2 hours;
and S6, placing the punched blocky slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out the blocky slurry to obtain the brick, wherein the heating temperature is 1200 ℃ and the heating time is 4 hours during sintering.
Example 2:
the invention provides a porous fireproof heat-insulating brick for buildings and a manufacturing method thereof, wherein the porous fireproof heat-insulating brick comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution;
further, the main material comprises the following components in parts by weight:
argil: 50 portions of
Porcelain clay: 20 portions of
Shale: 30 parts of pottery clay and porcelain clay are main raw materials for manufacturing ceramics, the ceramics have better fire-resistant and flame-retardant capabilities, the shale also has flame-retardant capabilities, and the shale is widely distributed in China and has lower cost;
further, the ingredients in the ingredients are respectively in parts by weight:
quartz sand: 10 portions of
Magnesite: 5 portions of
Dolomite: 15 parts of quartz sand is hard, wear-resistant and stable in chemical performance, magnesite has better fire resistance and is commonly used as a refractory material, dolomite is decomposed into a mixture of carbon dioxide, calcium oxide and magnesium oxide when being heated to 700-900 ℃, the mixture is called caustic magnesium marble and is easy to react with water, when the dolomite is calcined at 1500 ℃, the magnesium oxide becomes periclase, the calcium oxide is converted into crystalline a-CaO, the structure is compact, the water resistance is strong, and the fire resistance reaches 2300 ℃, so that the fire resistance and the flame retardant capability of the invention can be effectively improved by adding ingredients;
further, the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 5 portions of
Sodium hydroxide solution: 5 portions of
Magnesium hydroxide solution: 10 parts of sodium hydroxide and magnesium hydroxide belong to the category of inorganic flame retardants, are nonvolatile, nontoxic and harmless in the using process and safe to use, and tricresyl phosphate belongs to an organic phosphorus flame retardant, has a very good flame retardant effect and further improves the flame retardant capability of the flame retardant;
further, the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%;
a manufacturing method of a porous fireproof insulating brick for buildings comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to enable the block-shaped slurry to have a porous structure, wherein the drying temperature is 130 ℃, and the drying time is 2 hours;
and S6, placing the punched blocky slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out the blocky slurry to obtain the brick, wherein the heating temperature is 1100 ℃ and the heating time is 4 hours during sintering.
Example 3:
the invention provides a porous fireproof heat-insulating brick for buildings and a manufacturing method thereof, wherein the porous fireproof heat-insulating brick comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution;
further, the main material comprises the following components in parts by weight:
argil: 50 portions of
Porcelain clay: 20 portions of
Shale: 10 parts of pottery clay and porcelain clay are main raw materials for manufacturing ceramics, the ceramics have better fire-resistant and flame-retardant capabilities, the shale also has flame-retardant capabilities, and the shale is widely distributed in China and has lower cost;
further, the ingredients in the ingredients are respectively in parts by weight:
quartz sand: 10 portions of
Magnesite: 10 portions of
Dolomite: 15 parts of quartz sand is hard, wear-resistant and stable in chemical performance, magnesite has better fire resistance and is commonly used as a refractory material, dolomite is decomposed into a mixture of carbon dioxide, calcium oxide and magnesium oxide when being heated to 700-900 ℃, the mixture is called caustic magnesium marble and is easy to react with water, when the dolomite is calcined at 1500 ℃, the magnesium oxide becomes periclase, the calcium oxide is converted into crystalline a-CaO, the structure is compact, the water resistance is strong, and the fire resistance reaches 2300 ℃, so that the fire resistance and the flame retardant capability of the invention can be effectively improved by adding ingredients;
further, the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 10 portions of
Sodium hydroxide solution: 5 portions of
Magnesium hydroxide solution: 5 parts of sodium hydroxide and magnesium hydroxide belong to the category of inorganic flame retardants, are nonvolatile, nontoxic and harmless in the using process and safe to use, and tricresyl phosphate belongs to an organic phosphorus flame retardant, has a very good flame retardant effect and further improves the flame retardant capability of the flame retardant;
further, the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%;
a manufacturing method of a porous fireproof insulating brick for buildings comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to enable the block-shaped slurry to have a porous structure, wherein the drying temperature is 100 ℃, and the drying time is 2 hours;
and S6, placing the punched blocky slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out the blocky slurry to obtain the brick, wherein the heating temperature is 1000 ℃ and the heating time is 4 hours during sintering.
Example 4:
the invention provides a porous fireproof heat-insulating brick for buildings and a manufacturing method thereof, wherein the porous fireproof heat-insulating brick comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise argil, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution;
further, the main material comprises the following components in parts by weight:
argil: 40 portions of
Porcelain clay: 30 portions of
Shale: 20 parts of pottery clay and porcelain clay are main raw materials for manufacturing ceramics, the ceramics have better fire-resistant and flame-retardant capabilities, the shale also has flame-retardant capabilities, and the shale is widely distributed in China and has lower cost;
further, the ingredients in the ingredients are respectively in parts by weight:
quartz sand: 10 portions of
Magnesite: 5 portions of
Dolomite: 15 parts of quartz sand is hard, wear-resistant and stable in chemical performance, magnesite has better fire resistance and is commonly used as a refractory material, dolomite is decomposed into a mixture of carbon dioxide, calcium oxide and magnesium oxide when being heated to 700-900 ℃, the mixture is called caustic magnesium marble and is easy to react with water, when the dolomite is calcined at 1500 ℃, the magnesium oxide becomes periclase, the calcium oxide is converted into crystalline a-CaO, the structure is compact, the water resistance is strong, and the fire resistance reaches 2300 ℃, so that the fire resistance and the flame retardant capability of the invention can be effectively improved by adding ingredients;
further, the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 5 portions of
Sodium hydroxide solution: 5 portions of
Magnesium hydroxide solution: 10 parts of sodium hydroxide and magnesium hydroxide belong to the category of inorganic flame retardants, are nonvolatile, nontoxic and harmless in the using process and safe to use, and tricresyl phosphate belongs to an organic phosphorus flame retardant, has a very good flame retardant effect and further improves the flame retardant capability of the flame retardant;
further, the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%;
a manufacturing method of a porous fireproof insulating brick for buildings comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to enable the block-shaped slurry to have a porous structure, wherein the drying temperature is 150 ℃, and the drying time is 2 hours;
and S6, placing the punched blocky slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out the blocky slurry to obtain the brick, wherein the heating temperature is 1200 ℃ and the heating time is 4 hours during sintering.
The bricks prepared in examples 1-4 above were subjected to practical testing tests to obtain the following results:
| example 1 | Example 2 | Example 3 | Example 4 | |
| Fire resistance and flame retardant ability | Is preferably used | Is very good | Good taste | Is preferably used |
| Strength of itself | Good taste | Is very good | Is preferably used | Good taste |
As can be seen from the above table, the bricks prepared in examples 1-4 all have better fire-resistant and flame-retardant capabilities and better strength, wherein the brick prepared in example 2 has the most excellent performance, and both the fire-resistant and flame-retardant capabilities and the self-strength are maximized.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a porous fire prevention insulating brick for building which characterized in that: the porcelain clay brick comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise pottery clay, porcelain clay and shale, the auxiliary materials comprise quartz sand, magnesite and dolomite, and the auxiliary materials comprise tricresyl phosphate solution, sodium hydroxide solution and magnesium hydroxide solution.
2. The porous fireproof insulating brick for buildings according to claim 1, characterized in that: the main material comprises the following components in parts by weight:
argil: 30-50 parts of
Porcelain clay: 20-30 parts of
Shale: 10-30 parts.
3. The porous fireproof insulating brick for buildings according to claim 1, characterized in that: the ingredients in the ingredients are respectively as follows in parts by weight:
quartz sand: 10-20 parts of
Magnesite: 5-10 parts of
Dolomite: 10-15 parts.
4. The porous fireproof insulating brick for buildings according to claim 1, characterized in that: the auxiliary materials comprise the following components in parts by weight:
tricresyl phosphate solution: 5-10 parts of
Sodium hydroxide solution: 5-10 parts of
Magnesium hydroxide solution: 5-10 parts.
5. The porous fireproof insulating brick for buildings according to claim 4, wherein: the concentration of the tricresyl phosphate solution is 80%, the concentration of the sodium hydroxide solution is 85%, and the concentration of the magnesium hydroxide solution is 85%.
6. A manufacturing method of porous fireproof insulating bricks for buildings is characterized in that: the method comprises the following steps:
s1, beating argil, china clay and shale in the main materials into powder, mixing the powders together, and stirring the mixture to be uniformly and fully mixed to obtain main material mixed powder;
s2, beating the quartz sand, the magnesite and the dolomite into powder in the ingredients, mixing the powder together, and stirring the mixture to ensure that the mixture is uniformly and fully mixed to obtain ingredient mixed powder;
s3, uniformly and fully mixing a tricresyl phosphate solution, a sodium hydroxide solution and a magnesium hydroxide solution in the auxiliary materials to obtain a mixed solvent;
s4, mixing and stirring the main material mixed powder, the auxiliary material mixed powder and the mixed solvent uniformly to obtain slurry, and then placing the slurry into a die;
s5, drying the die, taking out the formed block-shaped slurry, and punching the block-shaped slurry to make the block-shaped slurry have a porous structure;
and S6, placing the punched block-shaped slurry into a hot-pressing sintering furnace for sintering and molding, and finally taking out to obtain the brick.
7. The manufacturing method of the porous fireproof insulating brick for the building according to claim 6, characterized in that: the drying temperature in the S5 is 100-150 ℃, and the drying time is 2 hours.
8. The manufacturing method of the porous fireproof insulating brick for the building according to claim 6, characterized in that: and when sintering is carried out in S6, the heating temperature is 1000-1200 ℃, and the heating time is 4 hours.
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