CN108046815A - 一种耐腐蚀的碳化硅砖 - Google Patents

一种耐腐蚀的碳化硅砖 Download PDF

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CN108046815A
CN108046815A CN201711412035.6A CN201711412035A CN108046815A CN 108046815 A CN108046815 A CN 108046815A CN 201711412035 A CN201711412035 A CN 201711412035A CN 108046815 A CN108046815 A CN 108046815A
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parts
silicon carbide
powder
corrosion resistant
brick
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周军州
袁波
韩建乐
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Luoyang Mingli Science and Technology Development Co Ltd
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Luoyang Mingli Science and Technology Development Co Ltd
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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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/565—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 carbides or oxycarbides based on silicon carbide
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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
    • C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
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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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    • 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
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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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
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Abstract

一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉70‑90份，碳化硅微粉100‑150份，金刚石微粉20‑24份，云母粉1‑2份，氧化铜粉1‑5份，矿化剂5‑8份，复合添加剂5‑8份。本发明提出的碳化硅砖，不但具有高温强度大、热震稳定性好、导热率高、热膨胀系数小的特点，而且具有优异的耐腐蚀性能。

Description

一种耐腐蚀的碳化硅砖
技术领域
本发明属于耐火材料技术领域，特别是涉及一种耐腐蚀的碳化硅砖。
背景技术
酸性耐火材料以氧化硅为主要成分，常用的有硅砖和粘土砖。硅砖是含氧化硅93％以上的硅质制品，使用的原料有硅石、废硅砖等，其抗酸性炉渣侵蚀能力强，荷重软化温度高，重复煅烧后体积不收缩，甚至略有膨胀，但是其易受碱性渣的侵蚀，抗热振性差。耐火材料行业不断寻求硅砖的生产方法，开辟新的技术解决措施，优质硅砖应运而生，得到了极大的重视和广泛应用，但优质硅砖仍处在不成熟的阶段。现有的优质硅砖热震性能差、易变形、不耐腐蚀，使用寿命短，不适合大批量生产。
发明内容
针对现有硅砖存在的缺陷，本发明的目的在于提出一种具有优异耐腐蚀性能的碳化硅砖。
本发明的目的是采用以下技术方案来实现。依据本发明提出的一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉70-90份，碳化硅微粉100-150份，金刚石微粉20-24份，云母粉1-2份，氧化铜粉1-5份，矿化剂5-8份，复合添加剂5-8份。
本发明的目的还采用以下技术措施来进一步实现。
所述耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉76份，碳化硅微粉120份，金刚石微粉22份，云母粉1.3份，氧化铜粉2份，矿化剂6份，复合添加剂6份。
所述耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉85份，碳化硅微粉140份，金刚石微粉23份，云母粉1.7份，氧化铜粉4份，矿化剂7份，复合添加剂7份。
本发明提出的碳化硅砖，不但具有高温强度大、热震稳定性好、导热率高、热膨胀系数小的特点，而且具有优异的耐腐蚀性能。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例详细说明。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实施例，对本发明进一步详细说明。
实施例一
一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉70份，碳化硅微粉100份，金刚石微粉20份，云母粉1份，氧化铜粉1份，矿化剂5份，复合添加剂5份。
实施例二
一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉76份，碳化硅微粉120份，金刚石微粉22份，云母粉1.3份，氧化铜粉2份，矿化剂6份，复合添加剂6份。
实施例三
一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉85份，碳化硅微粉140份，金刚石微粉23份，云母粉1.7份，氧化铜粉4份，矿化剂7份，复合添加剂7份。
实施例四
一种耐腐蚀的碳化硅砖，包含以下重量份数的组分：硅石细粉90份，碳化硅微150份，金刚石微粉24份，云母粉2份，氧化铜粉5份，矿化剂 8份，复合添加剂8份。
以上所述，仅是本发明专利的较佳实施例而已，任何熟悉本专业的技术人员，在不脱离本专利技术方案范围内，依据本专利的技术实质对以上实施例所做的任何简单修改、等同变化与修饰，均仍属于本专利技术方案的范围内。

Claims (3)

1.一种耐腐蚀的碳化硅砖，其特征在于包含以下重量份数的组分：硅石细粉70-90份，碳化硅微粉100-150份，金刚石微粉20-24份，云母粉1-2份，氧化铜粉1-5份，矿化剂5-8份，复合添加剂5-8份。
2.根据权利要求1所述的碳化硅砖，其特征在于包含以下重量份数的组分：硅石细粉76份，碳化硅微粉120份，金刚石微粉22份，云母粉1.3份，氧化铜粉2份，矿化剂6份，复合添加剂6份。
3.根据权利要求1所述的碳化硅砖，其特征在于包含以下重量份数的组分：硅石细粉85份，碳化硅微粉140份，金刚石微粉23份，云母粉1.7份，氧化铜粉4份，矿化剂7份，复合添加剂7份。
CN201711412035.6A 2017-12-23 2017-12-23 一种耐腐蚀的碳化硅砖 Pending CN108046815A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105198463A (zh) * 2015-10-21 2015-12-30 长兴中建耐火材料科技有限公司 一种耐腐蚀的碳化硅砖
CN105924205A (zh) * 2016-06-18 2016-09-07 河南黄河旋风股份有限公司 一种具有蜂窝状结构的金刚石复合片的制作方法
CN106220193A (zh) * 2016-07-11 2016-12-14 青岛燕园海洋生物科技有限公司 一种碳化硅砖

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105198463A (zh) * 2015-10-21 2015-12-30 长兴中建耐火材料科技有限公司 一种耐腐蚀的碳化硅砖
CN105924205A (zh) * 2016-06-18 2016-09-07 河南黄河旋风股份有限公司 一种具有蜂窝状结构的金刚石复合片的制作方法
CN106220193A (zh) * 2016-07-11 2016-12-14 青岛燕园海洋生物科技有限公司 一种碳化硅砖

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