CN115403394A - 一种锂盐回转窑用特种低铝莫来石砖及其制备方法 - Google Patents
一种锂盐回转窑用特种低铝莫来石砖及其制备方法 Download PDFInfo
- Publication number
- CN115403394A CN115403394A CN202211040028.9A CN202211040028A CN115403394A CN 115403394 A CN115403394 A CN 115403394A CN 202211040028 A CN202211040028 A CN 202211040028A CN 115403394 A CN115403394 A CN 115403394A
- Authority
- CN
- China
- Prior art keywords
- mullite
- converter
- special low
- fused
- brick
- 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
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 229910052863 mullite Inorganic materials 0.000 title claims abstract description 142
- 239000011449 brick Substances 0.000 title claims abstract description 46
- 229910003002 lithium salt Inorganic materials 0.000 title claims abstract description 25
- 159000000002 lithium salts Chemical class 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 64
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 64
- 239000000843 powder Substances 0.000 claims description 35
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 32
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 27
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 22
- 235000019580 granularity Nutrition 0.000 claims description 21
- 238000000227 grinding Methods 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 16
- 239000011265 semifinished product Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 238000007580 dry-mixing Methods 0.000 claims description 5
- 239000011499 joint compound Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000011863 silicon-based powder Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims 1
- 239000011819 refractory material Substances 0.000 abstract description 5
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052644 β-spodumene Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Images
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
- C04B35/66—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
- C04B35/01—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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- 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
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明涉及耐火材料技术领域,且公开了一种锂盐回转窑用特种低铝莫来石砖及其制备方法,所述该特种低铝莫来石砖由下述重量百分比的原料制成:电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、添加剂5~6%,所述电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%。该锂盐回转窑用特种低铝莫来石砖及其制备方法,本发明的特种低铝莫来石砖解决了现有锂盐回转窑用高铝质及硅莫质耐火窑衬的抗锂盐渣侵蚀差、焙烧过程中易与生料反应的问题,该特种低铝莫来石砖砌筑的锂盐回转窑其内衬用耐火衬料熔损速率较低,且在高温下不与生料发生反应,能明显延长窑衬的使用寿命。
Description
技术领域
本发明涉及耐火材料技术领域,具体为一种锂盐回转窑用特种低铝莫来石砖及其制备方法。
背景技术
随着新能源行业的快速发展,新能源行业对锂、钴、镍等矿产资源需求加大,锂、钴、镍等行业所需求的耐火材料存在巨大发展潜力及需求缺口。
目前我们国家制备碳酸锂常见的工艺为石灰烧结法,即是将焙烧好的β锂辉石(一般含氧化锂6%)和石灰石按1:(2.5-3)的重量比配料,混合磨细,在1150℃-1250℃下烧结生成铝酸锂和硅酸钙,经湿磨粉碎,用洗液浸出氢氧化锂,经沉降过滤,浸出液经蒸发浓缩,然后加入碳酸钠生成碳酸锂,再经离心分离、干燥,制得碳酸锂成品。β锂辉石的化学组成具有明显的地缘特性,不同地区的矿石化学成分有明显的区别,且区别集中在Na、Mg、K、Ca、Fe、Cr、Mn、Zn等微量离子上,这些微量离子在高温下对耐火材料使用寿命有较大的影响,出现强碱侵蚀现象导致耐火材料上出现裂纹,因此本发明提供了一种锂盐回转窑用特种低铝莫来石砖及其制备方法。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种锂盐回转窑用特种低铝莫来石砖及其制备方法,解决了上述背景技术中提出的问题。
(二)技术方案
为实现以上目的,本发明提供如下技术方案:一种锂盐回转窑用特种低铝莫来石砖及其制备方法,所述该特种低铝莫来石砖由下述重量百分比的原料制成:电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、添加剂5~6%,所述电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,所述转炉85料的粒度组成为:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%。
优选的,所述添加剂为氯化镁和木质素磺酸钙,所述电熔莫来石的铝含量为65%,广西白泥为200目、碳化硅为120目。
优选的,所述该特种低铝莫来石砖是制备方法包括以下步骤:
S1、取电熔莫来石、转炉85料、广西白泥、碳化硅、氯化镁和木质素磺酸钙备用;
S2、将电熔莫来石磨细,分级成5~3mm、3~1mm、1~0mm和200目五种不同粒度的颗粒原料,备用;
将转炉85料磨细,分级成5~3mm、3~1mm两种不同粒度的颗粒原料,备用;
将广西白泥、氯化镁和木质素磺酸钙均磨成粒度≤200目的细粉,得到金属硅粉和金属铝粉,备用;
S3、按重量百分比取电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、氯化镁2~3%、木质素磺酸钙2~3%;
所述的电熔莫来石由以下重量百分比的不同粒度的电熔莫来石组成:电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,备用;
所述的转炉85料由以下重量百分比的不同粒度的转炉85料组成:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%;
所述氯化镁粉为200目、木质素磺酸钙粉为200目、碳化硅为120目;
所述的添加剂为氯化镁粉2~3%、木质素磺酸钙粉-2~3%;
S4、将步骤S3中电熔莫来石的粒度组成为:5~3mm电熔莫来石、3~1mm电熔莫来石、1~0mm电熔莫来石、5~3mm转炉85料、3~1mm转炉85料加入混碾机中,干混3~5min,然后加入3.3~3.8%水,继续混碾5~10min,最后加入200目的电熔莫来石、氯化镁粉、木质素磺酸钙粉、广西白泥、碳化硅,混碾20min,得到预压料;
S5、将预压料经压机压制成型,得到特种低铝莫来石砖半成品;
S6、特种低铝莫来石砖半成品进过110℃干燥48小时后,进隧道窑1380℃进行烧结得到特种低铝莫来石砖成品。
优选的,所述该特种低铝莫来石砖在南氏锂电4米*60米回转窑上窑试验过程中,使用8个月后内部无侵蚀剥落现象,磨损正常,结构稳定,可满足强碱工况下正常使用。
(三)有益效果
与现有技术相比,本发明提供了一种锂盐回转窑用特种低铝莫来石砖及其制备方法,具备以下有益效果:
该锂盐回转窑用特种低铝莫来石砖及其制备方法,本发明的特种低铝莫来石砖解决了现有锂盐回转窑用高铝质及硅莫质耐火窑衬的抗锂盐渣侵蚀差、焙烧过程中易与生料反应的问题,该特种低铝莫来石砖砌筑的锂盐回转窑其内衬用耐火衬料熔损速率较低,且在高温下不与生料发生反应,能明显延长窑衬的使用寿命。
附图说明
图1为本发明提出的一种锂盐回转窑用特种低铝莫来石砖及其制备方法特种低铝莫来石砖的理化指标示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
a、取电熔莫来石、转炉85料、广西白泥、碳化硅、氯化镁和木质素磺酸钙备用;
b、将电熔莫来石磨细,分级成5~3mm、3~1mm、1~0mm和200目五种不同粒度的颗粒原料,备用;
将转炉85料磨细,分级成5~3mm、3~1mm两种不同粒度的颗粒原料,备用;
将广西白泥、氯化镁和木质素磺酸钙均磨成粒度≤200目的细粉,得到金属硅粉和金属铝粉,备用;
c、按重量百分比取电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、氯化镁2~3%、木质素磺酸钙2~3%;
所述的电熔莫来石由以下重量百分比的不同粒度的电熔莫来石组成:电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,备用;
所述的转炉85料由以下重量百分比的不同粒度的转炉85料组成:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%,
所述氯化镁粉为200目、木质素磺酸钙粉为200目、碳化硅为120目
所述的添加剂为氯化镁粉2~3%、木质素磺酸钙粉-2~3%;
d、将步骤c中电熔莫来石的粒度组成为:5~3mm电熔莫来石、3~1mm电熔莫来石、1~0mm电熔莫来石、5~3mm转炉85料、3~1mm转炉85料加入混碾机中,干混3~5min,然后加入3.3~3.8%水,继续混碾5~10min,最后加入200目的电熔莫来石、氯化镁粉、木质素磺酸钙粉、广西白泥、碳化硅,混碾20min,得到预压料;
e、将预压料经压机压制成型,得到特种低铝莫来石砖半成品;
f、特种低铝莫来石砖半成品进过110℃干燥48小时后,进隧道窑1380℃进行烧结得到特种低铝莫来石砖成品。
实施例2
a、取电熔莫来石、转炉85料、广西白泥、碳化硅、氯化镁和木质素磺酸钙备用;
b、将电熔莫来石磨细,分级成5~3mm、3~1mm、1~0mm和200目五种不同粒度的颗粒原料,备用;
将转炉85料磨细,分级成5~3mm、3~1mm两种不同粒度的颗粒原料,备用;
将广西白泥、氯化镁和木质素磺酸钙均磨成粒度≤200目的细粉,得到金属硅粉和金属铝粉,备用;
c、按重量百分比取电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、氯化镁2~3%、木质素磺酸钙2~3%;
所述的电熔莫来石由以下重量百分比的不同粒度的电熔莫来石组成:电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,备用;
所述的转炉85料由以下重量百分比的不同粒度的转炉85料组成:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%,
所述氯化镁粉为200目、木质素磺酸钙粉为200目、碳化硅为120目
所述的添加剂为氯化镁粉2~3%、木质素磺酸钙粉-2~3%;
d、将步骤c中电熔莫来石的粒度组成为:5~3mm电熔莫来石、3~1mm电熔莫来石、1~0mm电熔莫来石、5~3mm转炉85料、3~1mm转炉85料加入混碾机中,干混3~5min,然后加入3.3~3.8%水,继续混碾5~10min,最后加入200目的电熔莫来石、氯化镁粉、木质素磺酸钙粉、广西白泥、碳化硅,混碾20min,得到预压料;
e、将预压料经压机压制成型,得到特种低铝莫来石砖半成品。
f、特种低铝莫来石砖半成品进过110℃干燥48小时后,进隧道窑1380℃进行烧结得到特种低铝莫来石砖成品。
工作步骤;S1、取电熔莫来石、转炉85料、广西白泥、碳化硅、氯化镁和木质素磺酸钙备用;
S2、将电熔莫来石磨细,分级成5~3mm、3~1mm、1~0mm和200目五种不同粒度的颗粒原料,备用;
将转炉85料磨细,分级成5~3mm、3~1mm两种不同粒度的颗粒原料,备用;
将广西白泥、氯化镁和木质素磺酸钙均磨成粒度≤200目的细粉,得到金属硅粉和金属铝粉,备用;
S3、按重量百分比取电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、氯化镁2~3%、木质素磺酸钙2~3%;
所述的电熔莫来石由以下重量百分比的不同粒度的电熔莫来石组成:电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,备用;
所述的转炉85料由以下重量百分比的不同粒度的转炉85料组成:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%;
所述氯化镁粉为200目、木质素磺酸钙粉为200目、碳化硅为120目;
所述的添加剂为氯化镁粉2~3%、木质素磺酸钙粉-2~3%;
S4、将步骤S3中电熔莫来石的粒度组成为:5~3mm电熔莫来石、3~1mm电熔莫来石、1~0mm电熔莫来石、5~3mm转炉85料、3~1mm转炉85料加入混碾机中,干混3~5min,然后加入3.3~3.8%水,继续混碾5~10min,最后加入200目的电熔莫来石、氯化镁粉、木质素磺酸钙粉、广西白泥、碳化硅,混碾20min,得到预压料;
S5、将预压料经压机压制成型,得到特种低铝莫来石砖半成品;
S6、特种低铝莫来石砖半成品进过110℃干燥48小时后,进隧道窑1380℃进行烧结得到特种低铝莫来石砖成品。
综上所述,该锂盐回转窑用特种低铝莫来石砖及其制备方法,本发明的特种低铝莫来石砖解决了现有锂盐回转窑用高铝质及硅莫质耐火窑衬的抗锂盐渣侵蚀差、焙烧过程中易与生料反应的问题,该特种低铝莫来石砖砌筑的锂盐回转窑其内衬用耐火衬料熔损速率较低,且在高温下不与生料发生反应,能明显延长窑衬的使用寿命。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种锂盐回转窑用特种低铝莫来石砖及其制备方法,其特征在于:所述该特种低铝莫来石砖由下述重量百分比的原料制成:电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、添加剂5~6%,所述电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,所述转炉85料的粒度组成为:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%。
2.根据权利要求1所述的一种锂盐回转窑用特种低铝莫来石砖及其制备方法,其特征在于:所述添加剂为氯化镁和木质素磺酸钙,所述电熔莫来石的铝含量为65%,广西白泥为200目、碳化硅为120目。
3.根据权利要求1所述的一种锂盐回转窑用特种低铝莫来石砖及其制备方法,其特征在于:所述该特种低铝莫来石砖是制备方法包括以下步骤:
S1、取电熔莫来石、转炉85料、广西白泥、碳化硅、氯化镁和木质素磺酸钙备用;
S2、将电熔莫来石磨细,分级成5~3mm、3~1mm、1~0mm和200目五种不同粒度的颗粒原料,备用;
将转炉85料磨细,分级成5~3mm、3~1mm两种不同粒度的颗粒原料,备用;
将广西白泥、氯化镁和木质素磺酸钙均磨成粒度≤200目的细粉,得到金属硅粉和金属铝粉,备用;
S3、按重量百分比取电熔莫来石50~60%、转炉85料18~20%、广西白泥6~8%、碳化硅10~14%、氯化镁2~3%、木质素磺酸钙2~3%;
所述的电熔莫来石由以下重量百分比的不同粒度的电熔莫来石组成:电熔莫来石的粒度组成为:5~3mm电熔莫来石10~15%、3~1mm电熔莫来石14~17%、1~0mm电熔莫来石8~12%、200目电熔莫来石15~17%,备用;
所述的转炉85料由以下重量百分比的不同粒度的转炉85料组成:5~3mm转炉85料8~10%、3~1mm转炉85料10~12%;
所述氯化镁粉为200目、木质素磺酸钙粉为200目、碳化硅为120目;
所述的添加剂为氯化镁粉2~3%、木质素磺酸钙粉-2~3%;
S4、将步骤S3中电熔莫来石的粒度组成为:5~3mm电熔莫来石、3~1mm电熔莫来石、1~0mm电熔莫来石、5~3mm转炉85料、3~1mm转炉85料加入混碾机中,干混3~5min,然后加入3.3~3.8%水,继续混碾5~10min,最后加入200目的电熔莫来石、氯化镁粉、木质素磺酸钙粉、广西白泥、碳化硅,混碾20min,得到预压料;
S5、将预压料经压机压制成型,得到特种低铝莫来石砖半成品;
S6、特种低铝莫来石砖半成品进过110℃干燥48小时后,进隧道窑1380℃进行烧结得到特种低铝莫来石砖成品。
4.根据权利要求1所述的一种锂盐回转窑用特种低铝莫来石砖及其制备方法,其特征在于:所述该特种低铝莫来石砖在南氏锂电4米*60米回转窑上窑试验过程中,使用8个月后内部无侵蚀剥落现象,磨损正常,结构稳定,可满足强碱工况下正常使用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211040028.9A CN115403394A (zh) | 2022-08-29 | 2022-08-29 | 一种锂盐回转窑用特种低铝莫来石砖及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211040028.9A CN115403394A (zh) | 2022-08-29 | 2022-08-29 | 一种锂盐回转窑用特种低铝莫来石砖及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115403394A true CN115403394A (zh) | 2022-11-29 |
Family
ID=84161945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211040028.9A Pending CN115403394A (zh) | 2022-08-29 | 2022-08-29 | 一种锂盐回转窑用特种低铝莫来石砖及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115403394A (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040157725A1 (en) * | 2003-02-07 | 2004-08-12 | Doza Douglas K. | Crack-resistant dry refractory |
CN101817676A (zh) * | 2010-05-06 | 2010-09-01 | 广州市白云区石井特种耐火材料厂 | 一种低蠕变电熔莫来石砖及其制造方法 |
CN103803992A (zh) * | 2013-12-27 | 2014-05-21 | 郑州汇特耐火材料有限公司 | 一种垃圾焚烧炉用石砖及其制备方法 |
CN104744059A (zh) * | 2015-03-20 | 2015-07-01 | 湖南湘钢瑞泰科技有限公司 | 一种干熄焦莫来石砖及其制备方法 |
CN108059473A (zh) * | 2017-12-29 | 2018-05-22 | 江苏苏嘉集团新材料有限公司 | 莫来石碳砖及其制备方法 |
CN109111215A (zh) * | 2018-08-29 | 2019-01-01 | 通达耐火技术股份有限公司 | 一种水泥回转窑用低铝硅莫砖及其制备方法 |
CN110452004A (zh) * | 2019-09-04 | 2019-11-15 | 郑州瑞泰耐火科技有限公司 | 一种水泥回转窑过渡带用新型耐火衬砖及其制备方法 |
-
2022
- 2022-08-29 CN CN202211040028.9A patent/CN115403394A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040157725A1 (en) * | 2003-02-07 | 2004-08-12 | Doza Douglas K. | Crack-resistant dry refractory |
CN101817676A (zh) * | 2010-05-06 | 2010-09-01 | 广州市白云区石井特种耐火材料厂 | 一种低蠕变电熔莫来石砖及其制造方法 |
CN103803992A (zh) * | 2013-12-27 | 2014-05-21 | 郑州汇特耐火材料有限公司 | 一种垃圾焚烧炉用石砖及其制备方法 |
CN104744059A (zh) * | 2015-03-20 | 2015-07-01 | 湖南湘钢瑞泰科技有限公司 | 一种干熄焦莫来石砖及其制备方法 |
CN108059473A (zh) * | 2017-12-29 | 2018-05-22 | 江苏苏嘉集团新材料有限公司 | 莫来石碳砖及其制备方法 |
CN109111215A (zh) * | 2018-08-29 | 2019-01-01 | 通达耐火技术股份有限公司 | 一种水泥回转窑用低铝硅莫砖及其制备方法 |
CN110452004A (zh) * | 2019-09-04 | 2019-11-15 | 郑州瑞泰耐火科技有限公司 | 一种水泥回转窑过渡带用新型耐火衬砖及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101831520B (zh) | 一种利用拜耳法赤泥生产海绵铁联产铝酸钠溶液的方法 | |
CN103274711B (zh) | 一种高强低导镁铝尖晶石砖 | |
CN113372105B (zh) | 一种锂电池正极材料用双层结构匣钵及其制备方法 | |
CN111809045B (zh) | 一种转炉用冷压块及其制备方法 | |
CN104261848A (zh) | 一种含氧化铬的莫来石砖及其制备方法 | |
CN110668831A (zh) | 一种用于钢包包沿部位的再生铝镁碳砖制备方法 | |
CN112194471A (zh) | 一种超低气孔高铝砖及其制备工艺 | |
CN103664208A (zh) | 一种铁铝尖晶石的湿法烧结生产方法 | |
CN115403394A (zh) | 一种锂盐回转窑用特种低铝莫来石砖及其制备方法 | |
CN103896606A (zh) | 一种高炉陶瓷杯用耐火材料 | |
CN111304453A (zh) | 一种含钒废耐火砖的利用方法 | |
CN115650621A (zh) | 一种用于建筑材料的复合活性掺合料及其制备方法、建筑材料 | |
CN105236899A (zh) | 一种电解锌酸浸渣资源化无害化利用方法 | |
CN110950640A (zh) | 一种镍铁渣多孔烧结砖及其制备方法 | |
CN113416838B (zh) | 一种用大粒度铁矿粉制备熔剂性含碳低钛球团的方法 | |
CN110550960B (zh) | 一种利用冶炼铬渣生产锌冶炼窑炉衬砖的方法 | |
CN110407564B (zh) | 微晶耐磨球砖 | |
CN204281816U (zh) | 提高冶金渣球团金属化率的系统 | |
CN112250305A (zh) | 一种基于硼泥的抗菌陶瓷釉料及其制备方法和应用 | |
CN110479955B (zh) | 一种铜阳极板浇铸用脱模剂及其制备方法和使用方法 | |
JP2020054990A (ja) | ヒ素除去材料及びヒ素の分離・回収方法 | |
CN115679127B (zh) | 一种利用酸性气体焙烧分解钨精矿的方法 | |
CN116462522B (zh) | 一种制备匣钵的方法 | |
CN110846497B (zh) | 一种含镁熔剂性球团用粘结剂及其制备方法 | |
JP6960817B2 (ja) | 有価金属回収のための金属捕集材、その製造方法及び有価金属回収方法 |
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 |