CN114621018A - Manufacturing process of light acid-resistant anticorrosive castable - Google Patents
Manufacturing process of light acid-resistant anticorrosive castable Download PDFInfo
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- CN114621018A CN114621018A CN202210385379.7A CN202210385379A CN114621018A CN 114621018 A CN114621018 A CN 114621018A CN 202210385379 A CN202210385379 A CN 202210385379A CN 114621018 A CN114621018 A CN 114621018A
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- 239000002253 acid Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 134
- 239000000835 fiber Substances 0.000 claims abstract description 119
- 150000004645 aluminates Chemical class 0.000 claims abstract description 61
- 239000004568 cement Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000004846 water-soluble epoxy resin Substances 0.000 claims abstract description 34
- 239000011325 microbead Substances 0.000 claims abstract description 30
- 244000198134 Agave sisalana Species 0.000 claims abstract description 29
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 20
- 238000012216 screening Methods 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000002791 soaking Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000009941 weaving Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000011268 mixed slurry Substances 0.000 claims description 7
- 238000003892 spreading Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 239000000344 soap Substances 0.000 claims description 3
- 239000004005 microsphere Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
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Abstract
The invention discloses a manufacturing process of a light acid-resistant anticorrosive castable, which comprises the following raw materials: 70-100 parts of high-alumina lightweight aggregate, 1-5 parts of fine aluminate cement particles, 8-30 parts of crude aluminate cement particles, 5-10 parts of ceramsite, 8-15 parts of expanded and vitrified micro-bead particles, 2-5 parts of aluminum silicate fibers, 2-5 parts of sisal fibers, 2-5 parts of basalt fibers and 8-15 parts of liquid water-soluble epoxy resin; the method comprises the following steps: s1, screening out aluminate cement with the granularity of 1-2 μm and 8-20 μm. Has the advantages that: the light casting material is lighter and better in high-temperature resistance effect by matching the aluminum silicate fibers, the sisal fibers, the basalt fibers and the expanded and vitrified micro-bead particles, the basalt fibers have a better anticorrosion effect, and the anticorrosion effect of the light casting material is further improved by matching the liquid water-soluble epoxy resin.
Description
Technical Field
The invention relates to the technical field of light castable, in particular to a manufacturing process of a light acid-resistant anticorrosive castable.
Background
The light castable is a high-temperature-resistant, heat-insulating and heat-preserving material with small volume density, is commonly used as a cementing material for high-temperature flue and air duct linings, and has the advantages of convenient construction, shortened construction period and reduced labor intensity;
although the existing light castable has certain acid resistance, the existing light castable has a great defect in corrosion resistance, and particularly has relatively short service life when used in a high-temperature flue and a duct lining (the gas flowing through the high-temperature flue and the duct lining in the use process is often certain in corrosivity).
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a manufacturing process of a light acid-resistant anticorrosive castable.
In order to achieve the purpose, the invention adopts the following technical scheme:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 70-100 parts of high-aluminum lightweight aggregate, 1-5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 8-30 parts of coarse aluminate cement particles, 8-20 mu m in particle size, 5-10 parts of ceramsite, 5-30 mm in particle size, 8-15 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 2-5 parts of aluminum silicate fibers, 2-5 parts of sisal fibers, 2-5 parts of basalt fibers and 8-15 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 microns and the granularity of 8-20 microns, separately placing the aluminate cement, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 microns;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after paving into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
In the manufacturing process of the light acid-resistant anticorrosive castable, 75-100 parts of high-aluminum lightweight aggregate, 2-5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 10-30 parts of coarse aluminate cement particles, 10-20 mu m in particle size, 6-10 parts of ceramsite, 5-30 mm in particle size, 10-15 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3-5 parts of aluminum silicate fibers, 3-5 parts of sisal fibers, 3-5 parts of basalt fibers and 10-15 parts of liquid water-soluble epoxy resin.
In the manufacturing process of the light acid-resistant anticorrosive castable, 75-95 parts of high-aluminum light aggregate, 2-4.5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 10-26 parts of coarse aluminate cement particles, 10-20 mu m in particle size, 6-9 parts of ceramsite, 5-30 mm in particle size, 10-14 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3-4.5 parts of aluminum silicate fibers, 3-4.5 parts of sisal fibers, 3-4.5 parts of basalt fibers and 10-14 parts of liquid water-soluble epoxy resin.
In the manufacturing process of the light acid-resistant anticorrosive castable, 80-95 parts of high-aluminum light aggregate, 2.5-4.5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 14-26 parts of crude aluminate cement particles, 10-20 mu m in particle size, 7-9 parts of ceramsite, 5-30 mm in particle size, 11-12.5 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3.5-4 parts of aluminum silicate fibers, 3.5-4 parts of sisal fibers, 3.5-4 parts of basalt fibers and 11-13 parts of liquid water-soluble epoxy resin.
In the manufacturing process of the light acid-resistant anticorrosive castable, 85 parts of high-aluminum light aggregate, 3 parts of fine aluminate cement particles, 1-2 mu m in particle size, 19 parts of coarse aluminate cement particles, 8-20 mu m in particle size, 7.5 parts of ceramsite, 5-30 mm in particle size, 11.5 parts of expanded and vitrified microsphere particles, 4-8 mu m in particle size, 3.5 parts of aluminum silicate fibers, 3.5 parts of sisal fibers, 3.5 parts of basalt fibers and 11.5 parts of liquid water-soluble epoxy resin.
In the above-mentioned manufacturing process of the lightweight acid-resistant anticorrosive castable, in the step S3, the cylindrical multilayer fiber is soaked in the liquid water-soluble epoxy resin for 16-25 min.
In the manufacturing process of the light acid-resistant anticorrosive castable, the sisal fibers in the step S2 are soaked in soap water for 3-5min before being woven into a net shape, and then are used after being dried.
In the above-mentioned manufacturing process of a lightweight acid-resistant anticorrosive castable, the length of the fiber segment obtained in the step S4 is specifically 15 um.
Compared with the prior art, the invention has the advantages that: the pouring material is light and better in high-temperature resistance effect by matching the aluminum silicate fibers, the sisal fibers, the basalt fibers and the expanded and vitrified micro-bead particles, the basalt fibers have a certain anticorrosion effect, and the anticorrosion effect of the light pouring material is further improved by matching the liquid water-soluble epoxy resin.
Detailed Description
The technical solutions in the following embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The first embodiment is as follows:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 70-100 parts of high-aluminum lightweight aggregate, 1-5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 8-30 parts of coarse aluminate cement particles, 8-20 mu m in particle size, 5-10 parts of ceramsite, 5-30 mm in particle size, 8-15 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 2-5 parts of aluminum silicate fibers, 2-5 parts of sisal fibers, 2-5 parts of basalt fibers and 8-15 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after paving into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
Example two:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 75-100 parts of high-aluminum lightweight aggregate, 2-5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 10-30 parts of coarse aluminate cement particles, 10-20 mu m in particle size, 6-10 parts of ceramsite, 5-30 mm in particle size, 10-15 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3-5 parts of aluminum silicate fibers, 3-5 parts of sisal fibers, 3-5 parts of basalt fibers and 10-15 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between the layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after paving into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
Example three:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 75-95 parts of high-alumina lightweight aggregate, 2-4.5 parts of fine aluminate cement particles, 1-2 mu m in granularity, 10-26 parts of coarse aluminate cement particles, 10-20 mu m in granularity, 6-9 parts of ceramsite, 5-30 mm in granularity, 10-14 parts of expanded and vitrified micro-bead particles, 4-8 mu m in granularity, 3-4.5 parts of aluminum silicate fibers, 3-4.5 parts of sisal fibers, 3-4.5 parts of basalt fibers and 10-14 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after being paved into a cylinder, fixing the cylinder and placing the cylinder in liquid water-soluble epoxy resin for soaking for 16-25 min;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber section obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
Example four:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 80-95 parts of high-aluminum lightweight aggregate, 2.5-4.5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 14-26 parts of crude aluminate cement particles, 10-20 mu m in particle size, 7-9 parts of ceramsite, 5-30 mm in particle size, 11-12.5 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3.5-4 parts of aluminum silicate fibers, 3.5-4 parts of sisal fibers, 3.5-4 parts of basalt fibers and 11-13 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, soaking sisal fibers in soap water for 3-5min before weaving into a net shape, then drying the sisal fibers, then weaving the aluminosilicate fibers, the sisal fibers and the basalt into the net shape, then sequentially paving the net shape from top to bottom, and spreading expanded vitrified micro-bead particles between the layers to obtain a plurality of net-shaped multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after paving into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
Example five:
a manufacturing process of a light acid-resistant anticorrosive castable comprises the following raw materials: 85 parts of high-alumina lightweight aggregate, 3 parts of fine aluminate cement particles, 1-2 mu m in particle size, 19 parts of crude aluminate cement particles, 8-20 mu m in particle size, 7.5 parts of ceramsite, 5-30 mm in particle size, 11.5 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 3.5 parts of aluminum silicate fiber, 3.5 parts of sisal fiber, 3.5 parts of basalt fiber and 11.5 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 after paving into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the twisted fiber rope obtained in the step S4 to obtain a fiber section with the length of 15 um;
s6, adding 70-100 parts of high-alumina lightweight aggregate into water, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition are carried out;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
Claims (8)
1. The manufacturing process of the light acid-resistant anticorrosive castable is characterized by comprising the following raw materials: 70-100 parts of high-aluminum lightweight aggregate, 1-5 parts of fine aluminate cement particles, 1-2 mu m in particle size, 8-30 parts of coarse aluminate cement particles, 8-20 mu m in particle size, 5-10 parts of ceramsite, 5-30 mm in particle size, 8-15 parts of expanded and vitrified micro-bead particles, 4-8 mu m in particle size, 2-5 parts of aluminum silicate fibers, 2-5 parts of sisal fibers, 2-5 parts of basalt fibers and 8-15 parts of liquid water-soluble epoxy resin;
the method comprises the following steps:
s1, screening aluminate cement with the granularity of 1-2 mu m and the granularity of 8-20 mu m, placing the aluminate cement separately, and screening ceramsite with the granularity of 5-30 mm and expanded and vitrified micro-bead particles with the granularity of 4-8 mu m;
s2, weaving the aluminum silicate fibers, the sisal fibers and the basalt into meshes, then sequentially laying the meshes from top to bottom, and spreading expanded and vitrified micro-bead particles between layers to obtain a plurality of meshed multilayer fibers;
s3, winding the multilayer fiber obtained in the S2 into a cylinder, fixing the cylinder multilayer fiber, and placing the cylinder multilayer fiber into liquid water-soluble epoxy resin for soaking;
s4, after soaking for 30-50min, directly twisting two corresponding cylindrical multilayer fibers in liquid water-soluble epoxy resin to form a fiber twisted rope;
s5, cutting the fiber twisted rope obtained in the step S4 to obtain a fiber section with the length of 10-20 um;
s6, adding water into 70-100 parts of high-alumina lightweight aggregate, mixing and stirring, after stirring for 10-15min, sequentially adding 1-5 parts of fine aluminate cement particles and 8-30 parts of coarse aluminate cement particles, wherein the time interval between the two times of addition is 10-15min, and adding a proper amount of water while the two times of addition;
s7, adding 5-10 parts of ceramsite and the fiber segment obtained in the step S4 into the mixed slurry obtained in the step S5, and continuously mixing and stirring for 30-50 min.
2. The manufacturing process of the light acid-resistant anticorrosive castable according to claim 1, characterized in that 75-100 parts of high-alumina lightweight aggregate, 2-5 parts of fine aluminate cement particles, 1-2 μm in particle size, 10-30 parts of coarse aluminate cement particles, 10-20 μm in particle size, 6-10 parts of ceramsite, 5-30 mm in particle size, 10-15 parts of expanded vitrified micro-bead particles, 4-8 μm in particle size, 3-5 parts of aluminum silicate fiber, 3-5 parts of sisal fiber, 3-5 parts of basalt fiber and 10-15 parts of liquid water-soluble epoxy resin.
3. The manufacturing process of the light acid-resistant anticorrosive castable according to claim 1, characterized in that 75-95 parts of high-alumina lightweight aggregate, 2-4.5 parts of fine aluminate cement particles, 1-2 μm in particle size, 10-26 parts of coarse aluminate cement particles, 10-20 μm in particle size, 6-9 parts of ceramsite, 5-30 mm in particle size, 10-14 parts of expanded vitrified microbead particles, 4-8 μm in particle size, 3-4.5 parts of aluminum silicate fibers, 3-4.5 parts of sisal fibers, 3-4.5 parts of basalt fibers and 10-14 parts of liquid water-soluble epoxy resin.
4. The manufacturing process of the light acid-resistant anticorrosive castable according to claim 1, characterized in that the high-alumina lightweight aggregate is 80-95 parts, the fine aluminate cement particles are 2.5-4.5 parts, the particle size is 1-2 μm, the coarse aluminate cement particles are 14-26 parts, the particle size is 10-20 μm, the ceramsite is 7-9 parts, the particle size is 5-30 mm, the expanded vitrified microsphere particles are 11-12.5 parts, the particle size is 4-8 μm, the aluminum silicate fiber is 3.5-4 parts, the sisal fiber is 3.5-4 parts, the basalt fiber is 3.5-4 parts, and the liquid water-soluble epoxy resin is 11-13 parts.
5. The manufacturing process of the light acid-resistant anticorrosive castable according to claim 1, characterized in that 85 parts of high-alumina lightweight aggregate, 3 parts of fine aluminate cement particles, 1-2 μm in particle size, 19 parts of crude aluminate cement particles, 8-20 μm in particle size, 7.5 parts of ceramsite, 5-30 mm in particle size, 11.5 parts of expanded and vitrified micro-bead particles, 4-8 μm in particle size, 3.5 parts of aluminum silicate fibers, 3.5 parts of sisal fibers, 3.5 parts of basalt fibers and 11.5 parts of liquid water-soluble epoxy resin.
6. The manufacturing process of a lightweight acid-resistant anticorrosive castable material according to claim 3, wherein the soaking time of the cylindrical multilayer fiber in the liquid water-soluble epoxy resin is 16-25min in the step of S3.
7. The process for preparing a light-weight acid-resistant anti-corrosive castable material according to claim 4, wherein the sisal fibers in the step S2 are soaked in soap water for 3-5min before being woven into a net shape, and then are used after being dried.
8. The process for manufacturing a lightweight acid-resistant castable refractory according to claim 5, wherein the length of the fiber section obtained in said S4 step is specifically 15 um.
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