CN107793171A - 一种镁橄榄石质中间包干式料及生产方法 - Google Patents
一种镁橄榄石质中间包干式料及生产方法 Download PDFInfo
- Publication number
- CN107793171A CN107793171A CN201711170472.1A CN201711170472A CN107793171A CN 107793171 A CN107793171 A CN 107793171A CN 201711170472 A CN201711170472 A CN 201711170472A CN 107793171 A CN107793171 A CN 107793171A
- Authority
- CN
- China
- Prior art keywords
- parts
- particle diameters
- magnesite clinker
- mesh
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 30
- 229910052609 olivine Inorganic materials 0.000 title claims abstract description 19
- 239000010450 olivine Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 235000014380 magnesium carbonate Nutrition 0.000 claims abstract description 47
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 46
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 46
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 46
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 35
- 239000011777 magnesium Substances 0.000 claims abstract description 35
- 240000007817 Olea europaea Species 0.000 claims abstract description 32
- 239000004576 sand Substances 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000005011 phenolic resin Substances 0.000 claims abstract description 10
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229910021538 borax Inorganic materials 0.000 claims abstract description 9
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 9
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 40
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 30
- 239000000395 magnesium oxide Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000009749 continuous casting Methods 0.000 abstract description 2
- 229910052839 forsterite Inorganic materials 0.000 description 5
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
Classifications
-
- 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
- C04B35/76—Fibres, filaments, whiskers, platelets, or the like
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
-
- 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
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- 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
- C04B2235/50—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
- C04B2235/5212—Organic
-
- 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
- C04B2235/50—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
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明涉及一种镁橄榄石质中间包干式料及生产方法，包括以下重量份的原料：0‑1mm的烧结镁砂5‑15份；1‑3mm的烧结镁砂5‑17份；3‑6mm的烧结镁砂5‑18份；200目的烧结镁砂4‑16份；0‑1mm的镁橄榄砂5‑20份；1‑3mm的镁橄榄砂5‑17份；3‑6mm的镁橄榄砂5‑15份；200目的电熔镁砂21‑23份；200目的硼砂0.1‑0.2份，二氧化硅微粉0.3‑0.5份，酚醛树脂2‑3份，钢纤维0.8‑1份，有机纤维0.08‑0.1份。优点是：具有良好的施工性能，并满足长途运输和吊装的要求；在使用过程中不坍塌、耐冲刷、耐钢水的化学侵蚀，满足多炉连续铸钢的要求。
Description
技术领域
本发明涉及一种镁橄榄石质中间包干式料及生产方法。
背景技术
镁砂被广泛应用于中间包工作衬及其它耐火制品中。但随着我国镁资源的减少，镁砂成本越来越高，因此急需寻求其他替代材料。镁橄榄石在中国的储量极为丰富，利用镁橄榄石替换部分镁砂，在满足使用要求的同时可进一步降低生产成本，节约自然资源。天然镁橄榄石矿中，杂质以及低熔点相较多，可能会对耐火材料性能产生不利的影响，需要对镁橄榄石进行一定的处理。
发明内容
为克服现有技术的不足，本发明的目的是提供一种镁橄榄石质中间包干式料及生产方法，降低生产成本，以镁橄榄砂代替镁砂制备中间包干式料，达到与传统中间包干式料相同的使用效果。
为实现上述目的，本发明通过以下技术方案实现：
一种镁橄榄石质中间包干式料，包括以下重量份的原料：
0＜粒径≤1mm的烧结镁砂5-15份；1mm＜粒径≤3mm的烧结镁砂5-17份；3mm＜粒径≤6mm的烧结镁砂5-18份；200目以下的烧结镁砂4-16份；
0＜粒径≤1mm的镁橄榄砂5-20份；1mm＜粒径≤3mm的镁橄榄砂5-17份；3mm＜粒径≤6mm的镁橄榄砂5-15份；
200目以下的电熔镁砂21-23份；200目以下的硼砂0.1-0.2份，二氧化硅微粉0.3-0.5份，酚醛树脂2-3份，钢纤维0.8-1份，有机纤维0.08-0.1份。
所述得烧结镁砂中MgO的重量百分比含量≥94.0％，镁橄榄砂中Si2O3的重量百分比含量≥40.0％，镁橄榄砂中的MgO的重量百分比含量≥40.0％。
一种镁橄榄石质中间包干式料的生产方法，包括以下步骤：
1)原料粉碎筛分细磨，并按上述粒径及重量份数称取原料；
2)将0＜粒径≤1mm的烧结镁砂、1mm＜粒径≤3mm的烧结镁砂、3mm＜粒径≤6mm的烧结镁砂、0＜粒径≤1mm的镁橄榄砂、1mm＜粒径≤3mm的镁橄榄砂、3mm＜粒径≤6mm的镁橄榄砂、硼砂、二氧化硅微粉、钢纤维、有机纤维预混均匀；
3)混练：将酚醛树脂缓慢倒入行星式混砂机，再分别加入200目以下的烧结镁砂与200目以下的电熔镁砂混合18-20min然后出料；
4)出料后所得干式料的理化指标为：MgO的重量百分比≥80％；Fe2O3的重量百分比≤1.00；SiO2的重量百分比≤8.00；Al2O3的重量百分比≤1.00；灼减量≥6.00；在1500℃×3h条件下耐压强度≥30MPa；在1100℃×3h条件下耐压强度≥10MPa。
与现有技术相比，本发明的有益效果是：
镁橄榄石质中间包干式料产品性能良好，具有良好的施工性能，施工体在养护、烘烤过程中不水化、不开裂，并具有足够高的强度以满足长途运输和吊装的要求；在线烘烤的时候具有良好的抗爆裂性能，在使用过程中不坍塌、耐冲刷、耐钢水和渣的化学侵蚀，能满足多炉连续铸钢的要求。镁橄榄石质中间包干式料采用了镁橄榄石等低成本原料，产品的配方成本大大降低，采用性能优良的结合剂及有机纤维、钢纤维等，使其产品性能有明显的提高，能完全满足钢厂的要求。
具体实施方式
下面对本发明进行详细地描述，但是应该指出本发明的实施不限于以下的实施方式。
镁橄榄石质中间包干式料，包括以下重量份的原料：
0＜粒径≤1mm的烧结镁砂5-15份；1mm＜粒径≤3mm的烧结镁砂5-17份；3mm＜粒径≤6mm的烧结镁砂5-18份；200目以下的烧结镁砂4-16份；
0＜粒径≤1mm的镁橄榄砂5-20份；1mm＜粒径≤3mm的镁橄榄砂5-17份；3mm＜粒径≤6mm的镁橄榄砂5-15份；
200目以下的电熔镁砂21-23份；200目以下的硼砂0.1-0.2份，二氧化硅微粉0.3-0.5份，酚醛树脂2-3份，钢纤维0.8-1份，有机纤维0.08-0.1份。
所述得烧结镁砂中MgO的重量百分比含量≥94.0％，镁橄榄砂中Si2O3的重量百分比含量≥40.0％，镁橄榄砂中的MgO的重量百分比含量≥40.0％。
镁橄榄石质中间包干式料的生产方法，包括以下步骤：
1)原料粉碎筛分细磨，并按上述粒径及重量份数称取原料；
2)将0＜粒径≤1mm的烧结镁砂、1mm＜粒径≤3mm的烧结镁砂、3mm＜粒径≤6mm的烧结镁砂、0＜粒径≤1mm的镁橄榄砂、1mm＜粒径≤3mm的镁橄榄砂、3mm＜粒径≤6mm的镁橄榄砂、硼砂、二氧化硅微粉、钢纤维、有机纤维预混均匀；
3)混练：将酚醛树脂缓慢倒入行星式混砂机，再分别加入200目以下的烧结镁砂与200目以下的电熔镁砂混合18-20min然后出料；
4)出料后所得干式料的理化指标为：MgO的重量百分比≥80％；Fe2O3的重量百分比≤1.00；SiO2的重量百分比≤8.00；Al2O3的重量百分比≤1.00；灼减量≥6.00；在1500℃×3h条件下耐压强度≥30MPa；在1100℃×3h条件下耐压强度≥10MPa。
镁橄榄石质中间包干式料的实施例见表1。
表1实施例1-5一种镁橄榄石质中间包干式料的生产方法的配方(单位：％)
| 配料 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 |
| 3-6mm镁橄榄砂 | 10 | 12 | 15 | 5 | 15 |
| 1-3mm镁橄榄砂 | 9 | 8 | 5 | 7 | 17 |
| 0-1mm镁橄榄砂 | 6 | 5 | 5 | 5 | 20 |
| 3-6mm烧结镁砂 | 20 | 18 | 10 | 7 | 18 |
| 1-3mm烧结镁砂 | 15 | 14 | 16 | 5 | 17 |
| 0-1mm烧结镁砂 | 9 | 10 | 8 | 6 | 15 |
| 200目烧结镁砂 | 8 | 10 | 18 | 4 | 16 |
| 200目电熔镁砂 | 23 | 23 | 23 | 21 | 23 |
| 硼砂 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 |
| 二氧化硅微粉 | 0.5 | 0.5 | 0.5 | 0.3 | 0.5 |
| 酚醛树脂 | 2.0 | 2.0 | 2.0 | 3 | 2 |
| 钢纤维 | 1.0 | 1.0 | 1.0 | 0.8 | 1 |
| 有机纤维 | 0.1 | 0.1 | 0.1 | 0.08 | 0.1 |
上述实施例中的二氧化硅微粉、酚醛树脂、钢纤维、有机纤维粒径最好是200目以下，有机纤维采用玻璃纤维、纸纤维等。
实施例1-5的一种镁橄榄石质中间包干式料的生产方法，包括以下步骤：
1)原料粉碎筛分细磨：将烧结镁砂在破碎机中破碎，分别制成200目、0-1mm、1-3mm、3mm-6mm原料；将镁橄榄石在破碎机中破碎，分别制成3-5mm、1-3mm和200目镁橄榄砂原料；电熔镁砂制成200目。
2)配比：按各实施例所述重量份数称取原料；
3)先将0-1mm、1-3mm、3-5mm的烧结镁砂与0-1mm、1-3mm、3-5mm的镁橄榄石、硼砂、二氧化硅微粉、钢纤维、有机纤维预混均匀；
4)混练：将酚醛树脂缓慢倒入行星式混砂机，再分别加入200目的烧结镁砂与200目的电熔镁砂混合18-20min然后出料；
5)出料后，质检员对该料进行抽检，抽检，达到表2指标为合格品。
表2干式料的理化指标
| 项目 | 干式料 |
| w(MgO)/％ | ≥80 |
| w(Fe2O3)/％ | ≤1.00 |
| w(SiO2)/％ | ≤8.00 |
| w(Al2O3)/％ | ≤1.00 |
| 灼减 | ≥6.00 |
| 耐压强度/MPa(1500℃×3h) | ≥30 |
| 耐压强度/MPa(1100℃×3h) | ≥10 |
6)验收及包装：
1验收：
1.1料的取样、验收按YB 367-75《耐火制品取样、验收、保管和运输规则》进行。
1.2随机取样做化学成分分析。
2包装、运输、贮存及质量证明书：
2.1料的包装、运输和贮存按YB 367-75《耐火制品取样、验收、保管和运输规则》进行。
2.2料出厂时必须附有技术监督部门签发的质量证明书、标明供方名称或厂标、需方名称、发货日期、合同号、标准编号、产品名称、牌号、批号及理化指标，等结果报告。
Claims (3)
1.一种镁橄榄石质中间包干式料，其特征在于，包括以下重量份的原料：
0＜粒径≤1mm的烧结镁砂5-15份；1mm＜粒径≤3mm的烧结镁砂5-17份；3mm＜粒径≤6mm的烧结镁砂5-18份；200目以下的烧结镁砂4-16份；
0＜粒径≤1mm的镁橄榄砂5-20份；1mm＜粒径≤3mm的镁橄榄砂5-17份；3mm＜粒径≤6mm的镁橄榄砂5-15份；
200目以下的电熔镁砂21-23份；200目以下的硼砂0.1-0.2份，二氧化硅微粉0.3-0.5份，酚醛树脂2-3份，钢纤维0.8-1份，有机纤维0.08-0.1份。
2.根据权利要求1所述的一种镁橄榄石质中间包干式料，其特征在于，所述得烧结镁砂中MgO的重量百分比含量≥94.0％，镁橄榄砂中Si2O3的重量百分比含量≥40.0％，镁橄榄砂中的MgO的重量百分比含量≥40.0％。
3.一种根据权利要求1或2所述的镁橄榄石质中间包干式料的生产方法，其特征在于，包括以下步骤：
1)原料粉碎筛分细磨，并按上述粒径及重量份数称取原料；
2)将0＜粒径≤1mm的烧结镁砂、1mm＜粒径≤3mm的烧结镁砂、3mm＜粒径≤6mm的烧结镁砂、0＜粒径≤1mm的镁橄榄砂、1mm＜粒径≤3mm的镁橄榄砂、3mm＜粒径≤6mm的镁橄榄砂、硼砂、二氧化硅微粉、钢纤维、有机纤维预混均匀；
3)混练：将酚醛树脂缓慢倒入行星式混砂机，再分别加入200目以下的烧结镁砂与200目以下的电熔镁砂混合18-20min然后出料；
4)出料后所得干式料的理化指标为：MgO的重量百分比≥80％；Fe2O3的重量百分比≤1.00；SiO2的重量百分比≤8.00；Al2O3的重量百分比≤1.00；灼减量≥6.00；在1500℃×3h条件下耐压强度≥30MPa；在1100℃×3h条件下耐压强度≥10MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170472.1A CN107793171A (zh) | 2017-11-22 | 2017-11-22 | 一种镁橄榄石质中间包干式料及生产方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170472.1A CN107793171A (zh) | 2017-11-22 | 2017-11-22 | 一种镁橄榄石质中间包干式料及生产方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107793171A true CN107793171A (zh) | 2018-03-13 |
Family
ID=61535619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711170472.1A Pending CN107793171A (zh) | 2017-11-22 | 2017-11-22 | 一种镁橄榄石质中间包干式料及生产方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107793171A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655388A (zh) * | 2019-10-25 | 2020-01-07 | 海城利尔麦格西塔材料有限公司 | 一种低成本中包干式料的制备方法 |
| CN111116213A (zh) * | 2019-02-21 | 2020-05-08 | 张家港市恒乐阳方高温材料有限公司 | 耐火用干式料 |
| CN112624749A (zh) * | 2020-12-03 | 2021-04-09 | 海城市中兴镁质合成材料有限公司 | 一种低成本中间包干式料及其制备方法 |
| CN113321492A (zh) * | 2021-05-21 | 2021-08-31 | 泰州市旺鑫耐火材料有限公司 | 一种长寿命中间包渣线干式料 |
| CN114380577A (zh) * | 2022-03-24 | 2022-04-22 | 北京利尔高温材料股份有限公司 | 一种优质钢用低硅中间包干式料 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913888A (zh) * | 2010-08-18 | 2010-12-15 | 武汉钢铁(集团)公司 | 镁橄榄石质中间包挡渣墙用浇注料及其生产工艺 |
| CN102120704A (zh) * | 2011-03-07 | 2011-07-13 | 山东中齐耐火材料有限公司 | 一种环保型中间包干式料 |
| CN103351167A (zh) * | 2012-12-28 | 2013-10-16 | 上海利尔耐火材料有限公司 | 一种环保型中间包干式工作衬的制备方法 |
| CN107117945A (zh) * | 2017-04-17 | 2017-09-01 | 濮阳濮耐高温材料（集团）股份有限公司 | 镁质浇注料及中间包用挡渣部件生产工艺 |
-
2017
- 2017-11-22 CN CN201711170472.1A patent/CN107793171A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913888A (zh) * | 2010-08-18 | 2010-12-15 | 武汉钢铁(集团)公司 | 镁橄榄石质中间包挡渣墙用浇注料及其生产工艺 |
| CN102120704A (zh) * | 2011-03-07 | 2011-07-13 | 山东中齐耐火材料有限公司 | 一种环保型中间包干式料 |
| CN103351167A (zh) * | 2012-12-28 | 2013-10-16 | 上海利尔耐火材料有限公司 | 一种环保型中间包干式工作衬的制备方法 |
| CN107117945A (zh) * | 2017-04-17 | 2017-09-01 | 濮阳濮耐高温材料（集团）股份有限公司 | 镁质浇注料及中间包用挡渣部件生产工艺 |
Non-Patent Citations (1)
| Title |
|---|
| 陈勇 等: ""镁橄榄石对中间包镁质干式料性能的影响"", 《耐火材料》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116213A (zh) * | 2019-02-21 | 2020-05-08 | 张家港市恒乐阳方高温材料有限公司 | 耐火用干式料 |
| CN110655388A (zh) * | 2019-10-25 | 2020-01-07 | 海城利尔麦格西塔材料有限公司 | 一种低成本中包干式料的制备方法 |
| CN112624749A (zh) * | 2020-12-03 | 2021-04-09 | 海城市中兴镁质合成材料有限公司 | 一种低成本中间包干式料及其制备方法 |
| CN113321492A (zh) * | 2021-05-21 | 2021-08-31 | 泰州市旺鑫耐火材料有限公司 | 一种长寿命中间包渣线干式料 |
| CN114380577A (zh) * | 2022-03-24 | 2022-04-22 | 北京利尔高温材料股份有限公司 | 一种优质钢用低硅中间包干式料 |
| CN114380577B (zh) * | 2022-03-24 | 2022-06-28 | 北京利尔高温材料股份有限公司 | 一种优质钢用低硅中间包干式料 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107793171A (zh) | 一种镁橄榄石质中间包干式料及生产方法 | |
| Chen et al. | Preparation and characterization of red porcelain tiles with hematite tailings | |
| CN104045354B (zh) | 再生刚玉尖晶石不烧钢包砖 | |
| CN104193373A (zh) | 废旧三氧化二铝-碳化硅-碳质耐火材料的再生利用方法 | |
| CN105622069A (zh) | 一种锆复合镁钙铁质捣打料及其制备方法 | |
| CN103253947A (zh) | 一种冶金中频炉炉衬的制备方法 | |
| CN102659421A (zh) | 一种莫来石浇钢砖的生产方法 | |
| CN105541352A (zh) | 一种铬铝碳砖及其制备方法 | |
| CN111675544A (zh) | 一种超高温环境用酸性炉衬料及其制备方法 | |
| CN102161590B (zh) | 干熄焦装置关键部位用莫来石-红柱石制品及其制法 | |
| CN107903040A (zh) | 一种用于钢水精炼炉炉底的镁铬质捣打料及生产方法 | |
| CN100577331C (zh) | 一种钢渣免烧砖的制作方法 | |
| CN101851107B (zh) | 低碱、低熔洞率、低应力的致密锆英石砖及其制造方法 | |
| CN102010159B (zh) | 一种节能型透气砖及其制备方法 | |
| CN101475383B (zh) | 一种用于生产钒氮合金的窑用碱性砖及其制作方法 | |
| CN103224387A (zh) | AL2O3-Fe基陶瓷复合材料及制作方法 | |
| Xu et al. | Improvement in microstructure and thermo-mechanical properties of MgO-based dry vibratable material by addition of Fe | |
| CN107434404B (zh) | 一种锆复合高性能电熔镁钙锆砖及其制造方法 | |
| CN103183516A (zh) | 一种钢包用机压无碳衬砖 | |
| CN106431037A (zh) | 一种改善碱矿渣胶凝材料收缩的方法 | |
| CN101603360A (zh) | 一种增韧莫来石无缝弧形瓷衬砖 | |
| CN115650739B (zh) | 一种长寿命氧化锆定径水口及其制备方法 | |
| CN106977182A (zh) | 一种rh炉用浸盐烧成镁铝尖晶石砖及其生产方法 | |
| CN103253948B (zh) | 一种冶金中频炉用干式捣打料的制备方法 | |
| CN108911721A (zh) | 骨料型氧化铬耐火材料及其制备方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180313 |
|
| RJ01 | Rejection of invention patent application after publication |