CN114685150A - 一种中间包挡渣墙浇注料及其制备方法 - Google Patents
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- 239000002893 slag Substances 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 138
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000002245 particle Substances 0.000 claims abstract description 75
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 51
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 48
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 239000004568 cement Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010431 corundum Substances 0.000 claims abstract description 31
- 150000004645 aluminates Chemical class 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 230000000979 retarding effect Effects 0.000 claims abstract description 26
- 239000005350 fused silica glass Substances 0.000 claims abstract description 22
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 20
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 30
- 229910052681 coesite Inorganic materials 0.000 claims description 26
- 229910052906 cristobalite Inorganic materials 0.000 claims description 26
- 235000012239 silicon dioxide Nutrition 0.000 claims description 26
- 229910052682 stishovite Inorganic materials 0.000 claims description 26
- 229910052905 tridymite Inorganic materials 0.000 claims description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 17
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 17
- 239000001095 magnesium carbonate Substances 0.000 claims description 15
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 15
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 15
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 12
- 239000011265 semifinished product Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 1
- 229910001120 nichrome Inorganic materials 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 3
- MGQIWUQTCOJGJU-UHFFFAOYSA-N [AlH3].Cl Chemical compound [AlH3].Cl MGQIWUQTCOJGJU-UHFFFAOYSA-N 0.000 description 5
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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Abstract
本发明公开了一种中间包挡渣墙浇注料,包括主料、辅料以及添加剂,按照重量份数计,所述主料包括板状刚玉颗粒40‑70份、烧结镁砂颗粒20‑50份,所述辅料包括烧结镁砂细粉10‑25份、熔融石英4‑7份、铝酸盐水泥3‑6份以及硅微粉2‑5份,所述添加剂包括缓凝型减水剂1‑4份,防爆剂2‑5份和碳化硼1‑4份。本发明通过使用适量的板状刚玉颗粒、烧结镁砂颗粒、烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂,防爆剂和碳化硼,这些原料经过称重,混合搅拌,倒模,静置,烘烤等工序,就可以得到所需的挡渣墙,在实际生产过程中,此种制备方法极其简单,操作起来省时省力,可以满足大批量生产的需求,从而提高生产效率。
Description
技术领域
本发明涉及耐火材料技术领域,尤其涉及一种中间包挡渣墙浇注料及其制备方法。
背景技术
中间包是短流程炼钢中用到的一个耐火材料容器,首先接受从钢包中浇下来的钢水,然后再由中间包水口分配到各个结晶器中去,为了充分利用中间包的容积,促进杂质的去除,一般会在中间包内设置挡渣墙以消除中间包死区,改善钢水的流向,同时在一定程度上洁净钢水,其中挡渣墙的制备方法多种多样。
现有的挡渣墙在制备过程中,有一部分采用的是将镁砂及其它原料进行固化,烧结,破碎,球磨,筛分,倒模,静置,烘烤等工序制成的挡渣墙,在实际生产过程中,由于这种制备方法的工序极其繁琐,操作起来耗时耗力,并不能满足大批量生产的需求,从而导致生产效率降低。
发明内容
本发明的目的是为了解决现有技术中以下缺点,现有的挡渣墙在制备过程中,有一部分采用的是将镁砂及其它原料进行固化,烧结,破碎,球磨,筛分,倒模,静置,烘烤等工序制成的挡渣墙,在实际生产过程中,由于这种制备方法的工序极其繁琐,操作起来耗时耗力,并不能满足大批量生产的需求,从而导致生产效率降低,而提出的一种中间包挡渣墙浇注料及其制备方法。
为了实现上述目的,本发明采用了如下技术方案:
一种中间包挡渣墙浇注料,包括主料、辅料以及添加剂,按照重量份数计,所述主料包括板状刚玉颗粒40-70份、烧结镁砂颗粒20-50份,所述辅料包括烧结镁砂细粉10-25份、熔融石英4-7份、铝酸盐水泥3-6份以及硅微粉2-5份,所述添加剂包括缓凝型减水剂1-4份,防爆剂2-5份和碳化硼4份。
优选的,所述板状刚玉颗粒中Al2O3的含量≥99%,粒径为1-3mm。
优选的,所述烧结镁砂颗粒中MgO的含量≥90%,所述烧结镁砂颗粒中SiO2的含量≤0.4%,所述烧结镁砂颗粒的粒径为3-8mm。
优选的,所述烧结镁砂细粉中MgO的含量≥94%,所述烧结镁砂细粉中SiO2的含量≤0.4%,粒径为0-3mm。
优选的,所述熔融石英中SiO2的含量≥95%,所述熔融石英的粒径为0-3mm。
优选的,所述铝盐酸水泥中Al2O3的含量≥50%,所述铝酸盐水泥的比表面积≥300m/kg。
优选的,所述硅微粉中SiO2的含量≥90%,所述硅微粉中SiO2的粒径为0-0.00070mm。
优选的,所述缓凝型减水剂为三聚磷酸钠制成,所述缓凝型减水剂的pH为8.0-9.0,所述防爆剂为钢纤维制成,所述防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
一种中间包挡渣墙浇注料的制备方法,包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护8-10小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将所述半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-260℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
与现有技术相比,本发明的有益效果是:
通过使用适量的板状刚玉颗粒、烧结镁砂颗粒、烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂,防爆剂和碳化硼,这些原料经过称重,混合搅拌,倒模,静置,烘烤等工序,就可以得到所需的挡渣墙,在实际生产过程中,此种制备方法极其简单,操作起来省时省力,可以满足大批量生产的需求,从而提高生产效率。
具体实施方式
下面将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。
实施例一
一种中间包挡渣墙浇注料,包括包括板状刚玉颗粒、烧结镁砂颗粒,辅料包括烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂、防爆剂和碳化硼,各物质的重量份数为:板状刚玉颗粒40份、烧结镁砂颗粒20份,辅料包括烧结镁砂细粉10份、熔融石英4份、铝酸盐水泥3份、硅微粉2份,缓凝型减水剂1份、防爆剂2份和碳化硼4份。
板状刚玉颗粒中Al2O3的含量≥99%,板状刚玉颗粒中Al2O3的粒径为1-3mm。
烧结镁砂颗粒中MgO的含量≥90%,烧结镁砂颗粒SiO2的含量≤0.4%,烧结镁砂颗粒的粒径为3-8mm。
烧结镁砂细粉中MgO含量≥94%,烧结镁砂细粉中SiO2的含量≤0.4%,烧结镁砂细粉的粒径为0-3mm。
铝盐酸水泥中Al2O3的含量≥50%,铝酸盐水泥的比表面积≥300m/kg。
硅微粉中SiO2的含量≥90%,硅微粉中SiO2的粒径为0-0.00070mm。
缓凝型减水剂为三聚磷酸钠制成,缓凝型减水剂的pH为8.0-9.0,防爆剂为钢纤维制成,防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
制备方法包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护12-14小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-300℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
实施例二
一种中间包挡渣墙浇注料,包括包括板状刚玉颗粒、烧结镁砂颗粒,辅料包括烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂、防爆剂和碳化硼,各物质的重量份数为:板状刚玉颗粒50份、烧结镁砂颗粒30份,辅料包括烧结镁砂细粉15份、熔融石英5份、铝酸盐水泥4份、硅微粉4份,缓凝型减水剂2份、防爆剂3份和碳化硼4份。
板状刚玉颗粒中Al2O3的含量≥99%,板状刚玉颗粒中Al2O3的粒径为1-3mm。
烧结镁砂颗粒中MgO的含量≥90%,烧结镁砂颗粒SiO2的含量≤0.4%,烧结镁砂颗粒的粒径为3-8mm。
烧结镁砂细粉中MgO含量≥94%,烧结镁砂细粉中SiO2的含量≤0.4%,烧结镁砂细粉的粒径为0-3mm。
铝盐酸水泥中Al2O3的含量≥50%,铝酸盐水泥的比表面积≥300m/kg。
硅微粉中SiO2的含量≥90%,硅微粉中SiO2的粒径为0-0.00070mm。
缓凝型减水剂为三聚磷酸钠制成,缓凝型减水剂的pH为8.0-9.0,防爆剂为钢纤维制成,防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
制备方法包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护12-14小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-300℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
实施例三
一种中间包挡渣墙浇注料,包括包括板状刚玉颗粒、烧结镁砂颗粒,辅料包括烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂、防爆剂和碳化硼,各物质的重量份数为:板状刚玉颗粒60份、烧结镁砂颗粒40份,辅料包括烧结镁砂细粉20份、熔融石英5份、铝酸盐水泥4份、硅微粉4份,缓凝型减水剂3份、防爆剂4份和碳化硼4份。
板状刚玉颗粒中Al2O3的含量≥99%,板状刚玉颗粒中Al2O3的粒径为1-3mm。
烧结镁砂颗粒中MgO的含量≥90%,烧结镁砂颗粒SiO2的含量≤0.4%,烧结镁砂颗粒的粒径为3-8mm。
烧结镁砂细粉中MgO含量≥94%,烧结镁砂细粉中SiO2的含量≤0.4%,烧结镁砂细粉的粒径为0-3mm。
铝盐酸水泥中Al2O3的含量≥50%,铝酸盐水泥的比表面积≥300m/kg。
硅微粉中SiO2的含量≥90%,硅微粉中SiO2的粒径为0-0.00070mm。
缓凝型减水剂为三聚磷酸钠制成,缓凝型减水剂的pH为8.0-9.0,防爆剂为钢纤维制成,防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
制备方法包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护12-14小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-300℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
实施例四
一种中间包挡渣墙浇注料,包括包括板状刚玉颗粒、烧结镁砂颗粒,辅料包括烧结镁砂细粉、熔融石英、铝酸盐水泥、硅微粉、缓凝型减水剂、防爆剂和碳化硼,各物质的重量份数为:板状刚玉颗粒70份、烧结镁砂颗粒50份,辅料包括烧结镁砂细粉25份、熔融石英7份、铝酸盐水泥6份、硅微粉5份,缓凝型减水剂4份、防爆剂5份和碳化硼4份。
板状刚玉颗粒中Al2O3的含量≥99%,板状刚玉颗粒中Al2O3的粒径为1-3mm。
烧结镁砂颗粒中MgO的含量≥90%,烧结镁砂颗粒SiO2的含量≤0.4%,烧结镁砂颗粒的粒径为3-8mm。
烧结镁砂细粉中MgO含量≥94%,烧结镁砂细粉中SiO2的含量≤0.4%,烧结镁砂细粉的粒径为0-3mm。
铝盐酸水泥中Al2O3的含量≥50%,铝酸盐水泥的比表面积≥300m/kg。
硅微粉中SiO2的含量≥90%,硅微粉中SiO2的粒径为0-0.00070mm。
缓凝型减水剂为三聚磷酸钠制成,缓凝型减水剂的pH为8.0-9.0,防爆剂为钢纤维制成,防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
制备方法包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护12-14小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-300℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
综上所述:通过使用板状刚玉颗粒70份、烧结镁砂颗粒50份、烧结镁砂细粉25份、熔融石英7份、铝酸盐水泥6份、硅微粉5份、缓凝型减水剂4份,防爆剂5份和碳化硼4份,经过称重,混合搅拌,倒模,静置,烘烤等工序,就可以得到所需的挡渣墙,在实际生产过程中,此种制备方法极其简单,操作起来省时省力,可以满足大批量生产的需求,从而提高生产效率。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (9)
1.一种中间包挡渣墙浇注料,包括主料、辅料以及添加剂,其特征在于,按照重量份数计,所述主料包括板状刚玉颗粒40-70份、烧结镁砂颗粒20-50份,所述辅料包括烧结镁砂细粉10-25份、熔融石英4-7份、铝酸盐水泥3-6份以及硅微粉2-5份,所述添加剂包括缓凝型减水剂1-4份,防爆剂2-5份和碳化硼4份。
2.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述板状刚玉颗粒中Al2O3的含量≥99%,所述板状刚玉颗粒中Al2O3的粒径为1-3mm。
3.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述烧结镁砂颗粒中MgO的含量≥90%,所述烧结镁砂颗粒SiO2的含量≤0.4%,所述烧结镁砂颗粒的粒径为3-8mm。
4.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述烧结镁砂细粉中MgO含量≥94%,所述烧结镁砂细粉中SiO2的含量≤0.4%,所述烧结镁砂细粉的粒径为0-3mm。
5.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述烧结镁砂细粉中MgO的含量≥94%,所述烧结镁砂细粉中SiO2的含量≤0.4%,粒径为0-3mm。
6.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述铝盐酸水泥中Al2O3的含量≥50%,所述铝酸盐水泥的比表面积≥300m/kg。
7.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述硅微粉中SiO2的含量≥90%,所述硅微粉中SiO2的粒径为0-0.00070mm。
8.根据权利要求1所述的一种中间包挡渣墙浇注料,其特征在于,所述缓凝型减水剂为三聚磷酸钠制成,所述缓凝型减水剂的pH为8.0-9.0,所述防爆剂为钢纤维制成,所述防爆剂中钢纤维为镍铬合金耐热钢,耐火度为1400℃,碳化硼粒径为0.070mm。
9.根据权利要求1-8中任何一项所述的一种中间包挡渣墙浇注料,其制备方法,包括以下步骤:
S1:按照重量份数称取的板状刚玉颗粒、烧结镁砂颗粒,烧结镁砂细粉、熔融石英、铝酸盐水泥加入到混料机内干搅5-10分钟,得到混合料后取出;
S2:按照重量份数称取硅微粉和添加剂,加入到搅拌机内干搅5-10分钟,得到混合物取出;
S3:将上述S1中得到的混合料,倒入到搅拌机内,搅拌3-4分钟,加入上述S2中得到的混合物,继续搅拌4-5分钟;
S4:加入上述S3中物料总重5%-6%的水,搅拌3-5分钟后,得到所需物料;
S5:将所需物料放入到模具中振动成型,排出浇注料内的气泡直至浇注料充分振实,再点振5-10次,最后再静置到成型完毕;
S6:成型完毕后,将成型的挡渣墙和模具一起放置于80℃-120℃的恒温环境下带模养护12-14小时,然后再缓慢脱模,得到挡渣墙的半成品;
S7:将所述半成品放置在烘烤窑中,将烘烤窑快速升温至240℃-300℃,并在此温度区间内烘烤8-10小时,即可得到挡渣墙成品。
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