CN106746772B - 利用钛铁渣生产的钛铝酸钙空心球的制备方法 - Google Patents
利用钛铁渣生产的钛铝酸钙空心球的制备方法 Download PDFInfo
- Publication number
- CN106746772B CN106746772B CN201611026838.3A CN201611026838A CN106746772B CN 106746772 B CN106746772 B CN 106746772B CN 201611026838 A CN201611026838 A CN 201611026838A CN 106746772 B CN106746772 B CN 106746772B
- Authority
- CN
- China
- Prior art keywords
- slag
- ferrotitanium
- compressed gas
- calcium
- titanium
- 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.)
- Active
Links
- 239000002893 slag Substances 0.000 title claims abstract description 51
- 229910001200 Ferrotitanium Inorganic materials 0.000 title claims abstract description 33
- -1 calcium titanium aluminate Chemical class 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 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 7
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 7
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 6
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 6
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- IXQWNVPHFNLUGD-UHFFFAOYSA-N iron titanium Chemical compound [Ti].[Fe] IXQWNVPHFNLUGD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 16
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 239000011819 refractory material Substances 0.000 abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052791 calcium Inorganic materials 0.000 abstract description 8
- 239000011575 calcium Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 5
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
- C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
- C04B5/065—Porous slag
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/478—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 titanium oxides or titanates based on titanates based on aluminium titanates
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- 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
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/32—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
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
-
- 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
- C04B2235/95—Products characterised by their size, e.g. microceramics
-
- 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
Abstract
本发明公开了一种利用钛铁渣生产的钛铝酸钙空心球的制备方法，本空心球的材料组分为Al2O3 60.0～80.0wt%、TiO2 8.0～18.0wt%、CaO 5.0～15.0 wt %、MgO 0～2.0 wt %、Fe2O3 0～1.0 wt %、SiO2 0～1.0 wt %，K2O+Na2O 0‑0.3%，其粒度为3～1mm和1～0mm。本方法在冶炼钛铁合金进行生产排渣时，对设置于排渣口的通气管路注入压缩气体，压缩气体将处于熔融状态的钛铁渣吹出排渣口，形成具有封闭气孔及不同粒度的钛铝酸钙空心球。本空心球克服了传统直接由钛铁渣制成的钛铝酸钙耐火材料的缺陷，降低杂质及低熔物含量，有效提高了高温使用性能；本方法操作简便，降低了耐火材料的生产成本。
Description
技术领域
本发明涉及一种利用钛铁渣生产的钛铝酸钙空心球的制备方法。
背景技术
钛铁渣是铝热法冶炼钛铁合金时产生的废渣，通常作为次生矿从中回收钛和铝，或用于建筑材料的配料，利用价值不高。近年，各大高校和耐材企业开始了对钛铁渣在耐火材料行业的应用研究。熔融的钛铁渣经过冷却、破碎及除铁等工艺处理后，可得到成分稳定的钛铝酸钙耐火材料，其主要成分是六铝酸钙、二铝酸钙、钛酸铝、钛酸钙以及金红石相的固溶体，外观为黑色或深褐色固体，硬度大，断面光亮，类似黑SiC，在自然条件下稳定，不与空气及水反应。该钛铝酸钙由于其含有部分金属单质钛和氧化亚铁等杂质，当作为耐火材料直接使用时，在1400℃会造成体积膨胀较大，且会出现增重，从而降低耐火材料的高温使用性能。因此，为解决钛铝酸钙耐火材料这一使用缺陷，有必要在回收钛铁渣时做进一步处理，以降低杂质及低熔物含量。
发明内容
本发明所要解决的技术问题是提供一种利用钛铁渣生产的钛铝酸钙空心球的制备方法，本空心球克服了传统直接由钛铁渣制成的钛铝酸钙耐火材料的缺陷，降低杂质及低熔物含量，有效提高了高温使用性能；本方法操作简便，降低了耐火材料的生产成本。
为解决上述技术问题，本发明利用钛铁渣生产的钛铝酸钙空心球的材料组分为Al2O3 60.0～80.0wt%、TiO2 8.0～18.0wt%、CaO 5.0～15.0 wt %、MgO 0～2.0 wt %、Fe2O30～1.0 wt %、SiO2 0～1.0 wt %，K2O+Na2O 0-0.3%，其粒度为3～1mm和1～0mm。
一种上述空心球的制备方法，在冶炼钛铁合金进行生产排渣时，对设置于排渣口的通气管路注入压缩气体，压缩气体将处于熔融状态的钛铁渣吹出排渣口，形成具有封闭气孔及不同粒度的钛铝酸钙空心球。
进一步，所述使用的原料为钛铁合金冶炼所产生的熔融状态钛铁渣，渣夜温度为开吹1950℃～2100℃，吹球结束时温度为1500℃～1700℃。
进一步，所述压缩气体为空气或氧气，压力为0.8～0.4MPa。
进一步，所述压缩气体的初始吹球压力为0.8MPa，吹球持续时间8-12分钟，后期压缩气体的吹球压力降至0.4MPa，直至钛铁渣全部吹出排渣口。
由于本发明利用钛铁渣生产的钛铝酸钙空心球的制备方法采用了上述技术方案，即本空心球的材料组分为Al2O3 60.0～80.0wt%、TiO2 8.0～18.0wt%、CaO 5.0～15.0 wt%、MgO 0～2.0 wt %、Fe2O3 0～1.0 wt %、SiO2 0～1.0 wt %，K2O+Na2O 0-0.3%，其粒度为3～1mm和1～0mm。本方法在冶炼钛铁合金进行生产排渣时，对设置于排渣口的通气管路注入压缩气体，压缩气体将处于熔融状态的钛铁渣吹出排渣口，形成具有封闭气孔及不同粒度的钛铝酸钙空心球。本空心球克服了传统直接由钛铁渣制成的钛铝酸钙耐火材料的缺陷，降低杂质及低熔物含量，有效提高了高温使用性能；本方法操作简便，降低了耐火材料的生产成本。
具体实施方式
本发明钛铝酸钙空心球的材料组分为Al2O3 60.0～80.0wt%、TiO2 8.0～18.0wt%、CaO 5.0～15.0 wt %、MgO 0～2.0 wt %、Fe2O3 0～1.0 wt %、SiO2 0～1.0 wt %，K2O+Na2O0-0.3%，其粒度为3～1mm和1～0mm。
一种上述空心球的制备方法，在冶炼钛铁合金进行生产排渣时，对设置于排渣口的通气管路注入压缩气体，压缩气体将处于熔融状态的钛铁渣吹出排渣口，形成具有封闭气孔及不同粒度的钛铝酸钙空心球。
优选的，本方法所使用的原料为钛铁合金冶炼所产生的熔融状态钛铁渣，渣夜温度为开吹1950℃～2100℃，吹球结束时温度为1500℃～1700℃。
优选的，所述压缩气体为空气或氧气，压力为0.8～0.4MPa。
优选的，所述压缩气体的初始吹球压力为0.8MPa，吹球持续时间8-12分钟，后期压缩气体的吹球压力降至0.4MPa，直至钛铁渣全部吹出排渣口。
钛铝酸钙原料作为一种新型耐火原料，主要成分为Al2O3和CaO的铝钙化合物，存在的主晶相有钛铝酸钙、六铝酸钙、钛酸钙和钛酸铝等高温相，具有很高的耐火性能，但是钛铝酸钙在从钛铁渣中直接回收时，伴生杂质Fe2O3较多，降低了钛铝酸钙的高温使用性能。本空心球作为一种耐火原料，其杂质成分低，成分稳定，具有强度高、导热低、保温效果好，用于耐火材料可具有良好的抗热震性能、隔热性能，同时本方法操作简单，有效降低耐材的生产制造成本。
作为一个具体实施例，本空心球采用吹球空压机以初始值0.8MPa的压力向排渣口注入压缩空气，吹球时间10分钟，吹至后期压力降至0.4MPa，获得粒度3-1mm和1-0mm的钛铝酸钙空心球，空心球成分如下：（重量百分比）
| Al<sub>2</sub>O<sub>3</sub> | TiO<sub>2</sub> | CaO | MgO | Fe<sub>2</sub>O<sub>3</sub> | SiO<sub>2</sub> |
| 71.66% | 14.47% | 11.42% | 0.26% | 0.36% | 0.37% |
该空心球经测试，其耐火度>1790℃，容重1.60～1.80g/cm3；经XRD（X射线衍射）分析，此空心球以钛铝酸钙为主，同时存在钛酸铝、六铝酸钙和钛酸钙等少量物相；具有较低的导热系数，采用激光闪射法测定空心球的常温导热系数仅为1.8W/(m.k)。
该空心球作为一种厚壁空心球，球体强度高，不易碎裂，用于保温材料具有较好的保温效果，作为一种新型耐火材料，可极大降低生产制造成本，应用前景广阔。
Claims (4)
1.一种利用钛铁渣生产的钛铝酸钙空心球的制备方法，所述空心球的材料组分为Al2O360.0～80.0wt%、TiO2 8.0～18.0wt%、CaO 5.0～15.0 wt %、MgO 0～2.0 wt %、Fe2O3 0～1.0 wt %、SiO2 0～1.0 wt %，K2O+Na2O 0～0.3%，其粒度为3～1mm和1～0mm，其特征在于：在冶炼钛铁合金进行生产排渣时，对设置于排渣口的通气管路注入压缩气体，压缩气体将处于熔融状态的钛铁渣吹出排渣口，形成具有封闭气孔及不同粒度的钛铝酸钙空心球。
2.根据权利要求1所述的制备方法，其特征在于：所述的钛铁渣为钛铁合金冶炼所产生的熔融状态钛铁渣，渣液温度为开吹1950℃～2100℃，吹球结束时温度为1500℃～1700℃。
3.根据权利要求1或2所述的制备方法，其特征在于：所述压缩气体为空气或氧气，压力为0.8～0.4MPa。
4.根据权利要求3所述的制备方法，其特征在于：所述压缩气体的初始吹球压力为0.8MPa，吹球持续时间8～12分钟，后期压缩气体的吹球压力降至0.4MPa，直至钛铁渣全部吹出排渣口。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026838.3A CN106746772B (zh) | 2016-11-22 | 2016-11-22 | 利用钛铁渣生产的钛铝酸钙空心球的制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026838.3A CN106746772B (zh) | 2016-11-22 | 2016-11-22 | 利用钛铁渣生产的钛铝酸钙空心球的制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106746772A CN106746772A (zh) | 2017-05-31 |
| CN106746772B true CN106746772B (zh) | 2021-06-25 |
Family
ID=58971488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611026838.3A Active CN106746772B (zh) | 2016-11-22 | 2016-11-22 | 利用钛铁渣生产的钛铝酸钙空心球的制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106746772B (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963898B (zh) * | 2017-12-05 | 2020-10-13 | 武汉科技大学 | 莫来石结合钛铝酸钙空心球隔热耐火材料及其制备方法 |
| CN108069721A (zh) * | 2017-12-31 | 2018-05-25 | 张静芬 | 一种高性能低热导预制砖 |
| CN108752018A (zh) * | 2018-05-08 | 2018-11-06 | 武汉科技大学 | 一种钛铝酸钙-钛酸铝复相陶瓷及其制备方法 |
| CN111362708B (zh) * | 2020-03-13 | 2022-05-24 | 武汉科技大学 | 一种钛铝合金熔炼用耐火材料及其制备方法 |
| CN113620720B (zh) * | 2021-08-09 | 2022-07-19 | 武汉科技大学 | 一种六铝酸钙-钛酸钙复相耐火原料及其制备方法 |
| CN113666733B (zh) * | 2021-08-09 | 2022-07-19 | 武汉科技大学 | 一种复层型钛酸钙增强六铝酸钙复相材料及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3423303B2 (ja) * | 2001-05-31 | 2003-07-07 | ティーディーケイ株式会社 | 単結晶セラミックス粉末の製造方法 |
| CN102249714A (zh) * | 2011-05-31 | 2011-11-23 | 浙江大学 | 一种铝钛空心球及其制备方法 |
| CN102491761A (zh) * | 2011-11-16 | 2012-06-13 | 中钢集团洛阳耐火材料研究院有限公司 | 一种氧化铝空心球隔热耐火材料的制备方法 |
| CN104609872A (zh) * | 2015-01-12 | 2015-05-13 | 马鞍山利尔开元新材料有限公司 | 一种钛铝酸钙-高铝矾土改性耐火材料及其制备方法和应用 |
| CN105036774A (zh) * | 2015-08-04 | 2015-11-11 | 武汉科技大学 | 一种炼钒反射炉内衬用钛铝酸钙预制件及其制备方法 |
-
2016
- 2016-11-22 CN CN201611026838.3A patent/CN106746772B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3423303B2 (ja) * | 2001-05-31 | 2003-07-07 | ティーディーケイ株式会社 | 単結晶セラミックス粉末の製造方法 |
| CN102249714A (zh) * | 2011-05-31 | 2011-11-23 | 浙江大学 | 一种铝钛空心球及其制备方法 |
| CN102491761A (zh) * | 2011-11-16 | 2012-06-13 | 中钢集团洛阳耐火材料研究院有限公司 | 一种氧化铝空心球隔热耐火材料的制备方法 |
| CN104609872A (zh) * | 2015-01-12 | 2015-05-13 | 马鞍山利尔开元新材料有限公司 | 一种钛铝酸钙-高铝矾土改性耐火材料及其制备方法和应用 |
| CN105036774A (zh) * | 2015-08-04 | 2015-11-11 | 武汉科技大学 | 一种炼钒反射炉内衬用钛铝酸钙预制件及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106746772A (zh) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106746772B (zh) | 利用钛铁渣生产的钛铝酸钙空心球的制备方法 | |
| CN110981202A (zh) | 一种微晶玻璃及其制备方法 | |
| WO2011150771A1 (zh) | 一种矾土基刚玉空心球的制备方法 | |
| CN108503371B (zh) | 一种利用高炉渣和高铝粉煤灰制备发泡陶瓷材料的方法 | |
| CN106866117B (zh) | 一种不烧改性高纯镁铝尖晶石复合砖及制备方法 | |
| WO2016101327A1 (zh) | 一种高硫石油焦的煅烧方法及专用罐式煅烧炉和罐壁砖 | |
| RU2013140479A (ru) | Рафинирование концентратов металлов платиновой группы | |
| CN106587633B (zh) | 一种利用烧结法处理废弃含铅玻璃并制备微晶玻璃的方法 | |
| CN106045529A (zh) | 一种含80%以上废旧耐材的铁沟浇注料 | |
| CN112142447B (zh) | 一种高性能节能型镁基原料及其制备方法 | |
| AU2011307777B2 (en) | Method for manufacturing planar inorganic non-metallic material using molten slag | |
| CN105819879B (zh) | 赤泥铝矾土耐火隔热砖 | |
| CN103553651A (zh) | 一种耐热混凝土 | |
| CN102603318B (zh) | 大中型高炉热风炉用长寿命整体管道内衬材料 | |
| CN106007742A (zh) | 一种红土镍矿回转窑用钛铝酸钙砖及其制备方法 | |
| CN114213049B (zh) | 一种油井水泥用抗二氧化碳腐蚀材料及其制备方法与应用 | |
| CN103880441A (zh) | 一种微孔轻量刚玉耐火骨料及其制备方法 | |
| CN105152536A (zh) | 一种利用铬铁合金渣合成微晶玻璃材料的方法 | |
| CN107200595A (zh) | 一种免烘烤修补料 | |
| CN105130457A (zh) | 一种镁钙碳耐火材料及其制备方法 | |
| CN110606733A (zh) | 一种改性镁碳砖及其制备方法 | |
| CN103693849A (zh) | 搪玻璃涂层的制备方法 | |
| CN104046772B (zh) | 一种用转炉煤气干法电除尘灰制造冷固球团的方法 | |
| CN112876214A (zh) | 一种微晶发泡陶瓷及其制备方法与应用 | |
| CN110526693A (zh) | 一种耐侵蚀炉衬材料的制备方法 |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 3520 Tongji Road, Baoshan District, Shanghai 201900 Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Patentee after: JINZHOU GUOTAI INDUSTRIAL Co.,Ltd. Address before: 201900, 335, Pu Pu Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. Patentee before: JINZHOU GUOTAI INDUSTRIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |