CN106800838B - Fireproof coating for fireproof dike and construction method thereof - Google Patents

Fireproof coating for fireproof dike and construction method thereof Download PDF

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CN106800838B
CN106800838B CN201710047292.8A CN201710047292A CN106800838B CN 106800838 B CN106800838 B CN 106800838B CN 201710047292 A CN201710047292 A CN 201710047292A CN 106800838 B CN106800838 B CN 106800838B
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parts
fireproof
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weight
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CN106800838A (en
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徐宝惠
朱清革
李志新
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Beijing Haotian Fireproof Material Factory
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Beijing Haotian Fireproof Material Factory
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/08—Oxygen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

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Abstract

The invention relates to a fireproof coating for a fireproof dike and a construction method thereof, wherein the fireproof coating for the fireproof dike is prepared by respectively preparing a component A and a component B during construction by using the component A formed by mixing portland cement, high-alumina cement, expanded perlite, expanded vermiculite and reinforcing fibers and the component B formed by mixing polyethylene-vinyl acetate copolymer emulsion and water as raw materials, and then fully and uniformly mixing the component A and the component B for spraying.

Description

Fireproof coating for fireproof dike and construction method thereof
Technical Field
The invention belongs to the technical field of fireproof coatings, and particularly relates to a fireproof coating for a fireproof dike and a construction method thereof.
Background
The fire dike is a structure used for a normal pressure liquid storage tank group and preventing liquid outflow and fire spreading when leakage accidents happen to an oil tank and other liquid dangerous goods storage tanks. The combustion quality of the fire in the tank area is mainly petroleum products, the combustion temperature can reach over 1000 ℃, and in order to ensure safety, it is necessary to spray a fireproof protective layer on the side surface of the fireproof dike, and GB50351-2005 'design Specification of fireproof dikes in the tank area' is also specifically defined.
In order to provide reliable basis for research and development, popularization and application, and product quality supervision and inspection of the coating, GB28375-2012 concrete structure fireproof coating which is responsible for drafting by the Sichuan fire-fighting scientific research institute of the Ministry of public Security is officially released in 5-11 days of 2012, is implemented in 9-1 days of the same year, and the fireproof dike coating is listed as one type of the concrete structure fireproof coating for the first time, and the related technical requirements are all specified in detail.
In the past, no special fireproof coating for the fire dike is available, and is generally replaced by thick steel structure fireproof coating, tunnel fireproof coating and the like, the fireproof coating has defects in material composition and production process, generally has the problems of low bonding strength, low compressive strength and the like, cannot meet high-temperature impact in hydrocarbon fire, and obviously reduces the compressive strength and the bonding strength after repeated freezing and thawing, however, due to the particularity of the environment where the fire dike is located, the used fireproof coating can not bear the impact of liquid leaked from a tank area on the fire dike, and can effectively protect the fire dike after hazardous chemicals in the fire dike are combusted to prevent the fire from leaking out so that the fire dike cannot meet the fire safety requirement of the fire dike, and the research and development of the special fireproof coating for the fire dike are very urgent.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a fireproof coating for a fire protection dike, which has excellent fire resistance, high bonding strength, high heat exposure resistance and high crack resistance, and a construction method thereof. The fireproof coating of the fireproof dike is a fireproof coating which can be used for indoor and outdoor steel structures, and meets the standard of GB14907-2002 general technical conditions for fireproof coatings for steel structures, and the fire resistance limit reaches 3 h.
The technical scheme adopted by the invention is as follows:
a fire-retardant coating for a fire-protection embankment comprises a component A and a component B;
the component A comprises the following raw material components:
30-70 parts of a mixture of Portland cement and high-alumina cement in a molar ratio of 2:3-3: 2;
20-30 parts of expanded perlite;
20-30 parts of expanded vermiculite;
5-20 parts of reinforcing fiber;
the component B comprises the following raw material components:
45-55 parts of polyethylene-vinyl acetate copolymer emulsion;
40-60 parts of water.
The mass ratio of the component A to the component B is 1:1-1: 1.3.
The high-alumina cement is 625# high-alumina cement or 725# high-alumina cement.
The reinforced fiber is one or a mixture of more of aluminum silicate fiber, brucite fiber and polypropylene engineering fiber.
0.1-10 parts by weight of an auxiliary agent A is also added into the component A.
The auxiliary agent A is one or a mixture of more of sodium bentonite, sodium hexametaphosphate and sodium polyacrylate.
The solid content of the polyethylene-vinyl acetate copolymer emulsion is not less than 54.5555.
And 0.1-5 parts by weight of an auxiliary agent B is also added into the component B.
The auxiliary agent B is a naphthalene series water reducing agent or C12-C16Alkyl sulfates of (2).
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
The invention has the beneficial effects that:
the fireproof coating for the fire dike is prepared by taking a component A formed by mixing portland cement, high-alumina cement, expanded perlite, expanded vermiculite and reinforcing fibers and a component B formed by mixing polyethylene-vinyl acetate copolymer emulsion and water as raw materials, and during construction, the component A and the component B are prepared respectively, and then the component A and the component B are fully and uniformly mixed and sprayed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the following examples 1g is represented by 1 part by weight.
Example 1
This example provides a fire protection coating for a fire protection dam comprising a component a and a component B;
the component A comprises the following raw material components:
30 parts by weight of a mixture of 42.5# Portland cement and 625# high-alumina cement in a molar ratio of 2: 3;
the apparent density is 160kg/m330 parts by weight of expanded perlite;
the particle diameter is 8 meshes, and the apparent density is 240kg/m320 parts by weight of expanded vermiculite;
20 parts by weight of aluminum silicate fiber with the fire resistance temperature being not less than 900 ℃;
the component B comprises the following raw material components:
45 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5555;
55 parts of water.
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
Example 2
This example provides a fire protection coating for a fire protection dam comprising a component a and a component B;
the component A comprises the following raw material components:
70 parts by weight of a mixture consisting of 52.5# Portland cement and 725# high-alumina cement in a molar ratio of 3: 2;
apparent density ≦ 160kg/m320 parts by weight of expanded perlite;
the particle diameter is 10 meshes, and the apparent density is less than or equal to 240kg/m330 parts by weight of expanded vermiculite;
apparent density ≦ 450kg/m35 parts by weight of brucite fiber;
10 parts of sodium bentonite;
the component B comprises the following raw material components:
55 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5555;
0.1 part by weight of naphthalene water reducer;
79.9 parts by weight of water.
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
Example 3
This example provides a fire protection coating for a fire protection dam comprising a component a and a component B;
the component A comprises the following raw material components:
50 parts by weight of a mixture consisting of 62.5# Portland cement and 725# high-alumina cement in a molar ratio of 1: 1;
apparent density ≦ 160kg/m325 parts by weight of the expanded perlite;
the particle diameter is 9 meshes, and the apparent density is less than or equal to 240kg/m325 parts by weight of expanded vermiculite;
alumina silicate fiber with fire resistance temperature of 900 or more and apparent density of 450kg/m or less3Of brucite12.5 parts of a mixture of polypropylene engineering fibers with the fiber length less than or equal to 3mm in a mass ratio of 1:1: 1;
5.5 parts by weight of a mixture of sodium bentonite, sodium hexametaphosphate and a dispersing agent 5040 in a mass ratio of 1:1: 1;
the component B comprises the following raw material components:
50 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5555;
2.5 parts by weight of a mixture of a naphthalene water reducer and sodium hexadecyl sulfonate according to the mass ratio of 1: 1;
water, 65.5 parts by weight.
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
Example 4
This example provides a fire protection coating for a fire protection dam comprising a component a and a component B;
the component A comprises the following raw material components:
50 parts by weight of a mixture consisting of 52.5# Portland cement and 625# high-alumina cement in a molar ratio of 1: 1;
apparent density ≦ 160kg/m325 parts by weight of the expanded perlite;
the particle diameter is 9 meshes, and the apparent density is less than or equal to 240kg/m325 parts by weight of expanded vermiculite;
alumina silicate fiber with fire resistance temperature of 900 or more and apparent density of 450kg/m or less312.5 parts by weight of a mixture of brucite fibers and polypropylene engineering fibers with the fiber length less than or equal to 3mm according to the mass ratio of 1:1: 1;
5.5 parts by weight of a mixture consisting of sodium bentonite, sodium hexametaphosphate and a dispersing agent 5040 according to the mass ratio of 1:1: 1;
the component B comprises the following raw material components:
53 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5555;
5 parts by weight of a mixture of a naphthalene water reducer and sodium dodecyl sulfate in a mass ratio of 1: 1;
60 parts of water.
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
Example 5
This example provides a fire protection coating for a fire protection dam comprising a component a and a component B;
the component A comprises the following raw material components:
40 parts by weight of a mixture consisting of 52.5# Portland cement and 625# high-alumina cement in a molar ratio of 1: 1;
apparent density ≦ 160kg/m325 parts by weight of the expanded perlite;
the particle diameter is 9 meshes, and the apparent density is less than or equal to 240kg/m325 parts by weight of expanded vermiculite;
alumina silicate fiber with fire resistance temperature of 900 or more and apparent density of 450kg/m or less35 parts by weight of a mixture of brucite fibers and polypropylene engineering fibers with the fiber length less than or equal to 3mm in a mass ratio of 1:1: 1;
5 parts by weight of a mixture of sodium bentonite, sodium hexametaphosphate and a dispersing agent 5040 in a mass ratio of 1:1: 1;
the component B comprises the following raw material components:
55 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5555;
5 parts by weight of a mixture of a naphthalene water reducer and sodium tetradecyl sulfonate according to a mass ratio of 1: 1;
40 parts of water.
The construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
When the fireproof coating for the fireproof dike is sprayed, a first layer (the thickness is 3mm) is firstly sprayed, a second layer (the thickness is 5mm) is sprayed after the first layer is dried (the hand is not moved), and construction can be continued until the total thickness is 20mm after the second layer is dried and the finger touch is not sticky. The coating formed by spraying the fireproof coating of the fire dike is maintained for 55 days at the temperature of 3-35 ℃ and the relative humidity of 50-805, the detection fire-resistant time is not less than 3h, and the standard of GB14907-2002 'general technical conditions for steel structure fireproof coatings' is met.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (1)

1. A fire-retardant coating for a fire-protection embankment is characterized by being prepared from a component A and a component B;
the component A consists of the following raw material components:
30-70 parts of a mixture of Portland cement and high-alumina cement in a molar ratio of 2:3-3: 2;
20-30 parts of expanded perlite;
20-30 parts of expanded vermiculite;
5-20 parts of reinforcing fiber;
0.1-10 parts of an auxiliary agent A;
the auxiliary agent A is one or a mixture of more of sodium bentonite, sodium hexametaphosphate and sodium polyacrylate;
the component B consists of the following raw material components:
45-55 parts by weight of polyethylene-vinyl acetate copolymer emulsion with the solid content being not less than 54.5 wt%;
40-60 parts of water;
naphthalene series water reducing agent or C12-C160.1 to 5 parts by weight of the alkyl sulfate of (1);
the mass ratio of the component A to the component B is 1:1-1: 1.3;
the high alumina cement is No. 625 high alumina cement or No. 725 high alumina cement;
the reinforced fiber is one or a mixture of more of aluminum silicate fiber, brucite fiber and polypropylene engineering fiber;
the construction method of the fireproof coating for the fireproof dike comprises the following steps:
(1) preparation of component A
Respectively taking each raw material component of the component A, and fully and uniformly mixing to obtain the component A;
(2) preparation of component B
Respectively taking each raw material component of the component B, and fully and uniformly mixing to obtain a component B;
(3) spraying of paint
And (3) fully and uniformly mixing the component A in the step (1) with the component B in the step (2), and spraying.
CN201710047292.8A 2017-01-22 2017-01-22 Fireproof coating for fireproof dike and construction method thereof Active CN106800838B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110183884A (en) * 2019-05-31 2019-08-30 华南理工大学 A kind of thick-thin composite fireproof coating and preparation method thereof
CN110776772A (en) * 2019-11-11 2020-02-11 陇东学院 Loess-based fireproof embankment fireproof coating and preparation method thereof
CN113861734A (en) * 2021-10-01 2021-12-31 广州艾偲尼建材科技有限公司 Exterior wall fireproof coating and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101759407A (en) * 2009-12-01 2010-06-30 山西大学 Fire retardant coating for underground coal seam of coal mine
CN101899243A (en) * 2010-03-22 2010-12-01 苏州市姑苏新型建材有限公司 Self-closing polymer cement waterproof paint and method for preparing same
CN102424731A (en) * 2011-11-28 2012-04-25 福建同利建材科技有限公司 Impervious tunnel fireproof paint and using method thereof
CN105623325A (en) * 2016-03-28 2016-06-01 云南佑琳生科技有限公司 Thick steel-structure fireproof radiation protective paint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101759407A (en) * 2009-12-01 2010-06-30 山西大学 Fire retardant coating for underground coal seam of coal mine
CN101899243A (en) * 2010-03-22 2010-12-01 苏州市姑苏新型建材有限公司 Self-closing polymer cement waterproof paint and method for preparing same
CN102424731A (en) * 2011-11-28 2012-04-25 福建同利建材科技有限公司 Impervious tunnel fireproof paint and using method thereof
CN105623325A (en) * 2016-03-28 2016-06-01 云南佑琳生科技有限公司 Thick steel-structure fireproof radiation protective paint

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