CN108752020A - 一种高温钢材耐火涂层及其制备方法、用途 - Google Patents
一种高温钢材耐火涂层及其制备方法、用途 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000000576 coating method Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N Silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229940067573 BROWN IRON OXIDE Drugs 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headache Diseases 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Stearin Chemical group CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium(0) Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 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
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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- C—CHEMISTRY; METALLURGY
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- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
- C04B2235/34—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
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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
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
Abstract
本发明提供了一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅50～80%，粘结剂15～45%，PVA1～10%，流平剂0.1～0.5%，分散剂0.1～0.5%，消泡剂0.1～0.5%。同时，本发明还公开了上述高温钢材耐火涂层的制备方法及用途。本发明采用氮化硅作为主要材料的高温钢材耐火涂层具有耐磨、抗剥落、抗腐蚀的特点，并且导热好、附着力好、成本低的优点；同时二种粘结剂辅助粘土作为连续强度作用于钢材，使附着力大大提高。
Description
技术领域
本发明涉及耐火涂层，尤其涉及一种高温钢材耐火涂层及其制备方法和用途。
背景技术
电厂循环流化床已经是主流，我国已达到了国际先进水平，但是其水冷壁管涂料一直是个头痛问题，其工作环境恶劣、情况复杂、高温、温度变化大的问题始终没有得到有效解决。
发明内容
发明目的：本发明的目的在于针对现有技术的不足，提供一种高温钢材耐火涂层。
本发明的另一目的在于提供上述高温钢材耐火涂层的制备方法。
本发明的另一目的在于提供上述高温钢材耐火涂层的用途。
技术方案：为了达到上述发明目的，本发明具体是这样来实现的：一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅50～80%，粘结剂15～45% ，PVA1～10%，流平剂0.1～0.5%，分散剂0.1～0.5%，消泡剂0.1～0.5%。
其中，所述粘结剂为硅溶胶和氧化铁粉。
其中，所述硅溶胶和氧化铁粉的质量比为5：8～60：1。
其中，还包括质量分数3～20%的云母。
其中，所述流平剂为丙烯酸类流平剂或氟碳化合物类流平剂；所述分散剂为硬脂酸钡；所述消泡剂为聚氧乙烯聚氧丙烯季戊四醇醚。
一种高温钢材耐火涂层的制备方法，包括按配方取料，将原料混合后搅拌4~8小时。
一种高温钢材耐火涂层，用于电厂水冷壁管或船舶烟囱内壁涂覆。
有益效果：本发明与传统技术相比，具有如下优点：
1、采用氮化硅作为主要材料的高温钢材耐火涂层具有耐磨、抗剥落、抗腐蚀的特点，并且导热好、附着力好、成本低的优点。
2、采用二种粘结剂辅助粘土作为连续强度作用于钢材，使附着力大大提高。
具体实施方式
实施例1：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅50%，粘结剂45% ，PVA4.7%，流平剂0.1%，分散剂0.1%，消泡剂0.1%。
实施例2：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅60%，粘结剂35% ，PVA3.5%，流平剂0.5%，分散剂0.5%，消泡剂0.5%。
实施例3：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅70%，粘结剂25% ，PVA4%，流平剂0.2%，分散剂0.3%，消泡剂0.5%。
实施例4：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅80%，粘结剂15% ，PVA4%，流平剂0.4%，分散剂0.4%，消泡剂0.2%。
实施例5：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅70%，粘结剂19% ，PVA10%，流平剂0.5%，分散剂0.2%，消泡剂0.3%。
实施例6：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅50%，粘结剂20% ，PVA8.5%，流平剂0.5%，分散剂0.5%，消泡剂0.5%，20%的云母。
实施例7：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅60%，粘结剂30% ，PVA4%，流平剂0.4%，分散剂0.2%，消泡剂0.4%，5%的云母。
实施例8：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅70%，粘结剂15% ，PVA10%，流平剂0.3%，分散剂0.5%，消泡剂0.2%，4%的云母。
实施例9：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅80%，粘结剂15% ，PVA1%，流平剂0.5%，分散剂0.1%，消泡剂0.4%，3%的云母。
实施例10：
一种高温钢材耐火涂层，包括以下质量百分比的组份：氮化硅50%，粘结剂45% ，PVA1%，流平剂0.2%，分散剂0.3%，消泡剂0.5%，3%的云母。
实施例11：
一种高温钢材耐火涂层的制备方法：按配方取料，将原料混合后搅拌4~8小时。
实施例12：
一种高温钢材耐火涂层，用于电厂水冷壁管或船舶烟囱内壁涂覆。
Claims (6)
1.一种高温钢材耐火涂层，其特征在于，包括以下质量百分比的组份：氮化硅50～80%，粘结剂15～45% ，PVA1～10%，流平剂0.1～0.5%，分散剂0.1～0.5%，消泡剂0.1～0.5%。
2.根据权利要求1所述的高温钢材耐火涂层，其特征在于，所述粘结剂为硅溶胶和氧化铁粉。
3.根据权利要求2所述的高温钢材耐火涂层，其特征在于，所述硅溶胶和氧化铁粉的质量比为5：8～60：1。
4.根据权利要求1-3任一所述的高温钢材耐火涂层，其特征在于，还包括质量分数3～20%的云母。
5.一种高温钢材耐火涂层的制备方法，其特征在于，按配方取料，将原料混合后搅拌4~8小时。
6.一种高温钢材耐火涂层，其特征在于，用于电厂水冷壁管或船舶烟囱内壁涂覆。
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Application publication date: 20181106 |