1)  ash fusion
灰熔融
1.
The characteristics of ash fusion in raw and demineralized chars were observed using the SEM.
采用慢速和快速两种升温速率,在热解温度为950℃~1500℃范围内制得各种神府煤焦,通过酸洗脱灰处理制得相应的脱灰焦,并采用扫描电镜对原煤焦及其脱灰焦表面灰熔融状况进行观察,结果发现:慢速和快速两种热解条件下,随热解温度提高,灰的熔融状况不同;对原焦样酸洗脱灰处理只能除去表面的部分矿物质;同时,采用等温热重分析法,在反应温度为950℃~1400℃条件下,分别考察了灰未熔融热解煤焦(RP950和SP950)和灰熔融热解煤焦(SP1400和RP1400)脱灰前后的CO2气化反应性。
2)  ash fusibility
灰熔融性
1.
Analysed the ash components of 154 coal samples,discussed the influence of the main materials and acid/alkali ratio in the coal ash on ash fusibility in the paper,gained the relationship between acid/alkali ratio and ash fusibility.
通过对154个煤样的灰成分进行分析,探讨了煤灰主要成分及煤灰中酸碱比对灰熔融性的影响,并回归出了酸碱比与灰熔融性的关系式,预测结果与实测值具有较好的一致性。
2.
After the ash fusibility and its chemical composition of 22 Shenfu coal samples have been determined, the relationship between ashfusion temperature and its chemical composition was studied.
以神府煤煤灰化学成分和灰熔融性为研究对象,讨论了煤灰化学成分与熔融性的关系,发现煤灰化学成分中碱性氧化物及SO3含量对煤灰熔融性有较大影响,提出了用熔融指数FI+wFe2O3+wCaO+wMgO+wK2O+wNa2O)来预测煤灰熔融特征温度的回归公式,用FI回归(FI=wSO3公式计算的煤灰熔融特征温度计算值与实测值之差小于国家标准规定的误差值(再现性≤80°C)。
3.
When a high ash fusibility of Huainan coal blends with two low fusibility coals,the ash fusion point of coal blending is reduced.
采用高灰熔融性淮南煤A与2种低灰熔点的煤相配加形成配合煤,其中配以C煤(固定50%)调整B煤或D煤等低灰熔点煤与淮南煤的百分比,进行配煤灰熔点研究。
3)  ash-fusibility
灰熔融性
1.
Study on the influence factors of ash-fusibility of briquette for gasification;
造气型煤灰熔融性影响因素的研究
4)  ash melting
飞灰熔融
5)  ash fusion temperature
灰熔融温度
1.
The mechanism of reducting of ash fusion temperature by adding flux in Huainan coal to reduce the ash fusion temperature,so that the coal can meet the temperature request of the slag-tap technology of Texaco CWM gasification device which has been introduced to Huainan Chemical Group in recent years,and the mechanism was studied in this paper.
添加助熔剂A降低高灰熔融性淮南煤灰熔融温度,使其适合淮化集团近年引入的Texaco水煤浆气化炉的液态排渣工艺温度要求(1 380℃左右),并对其机理进行了初步的探究。
6)  coal ash fusibility
煤灰熔融性
1.
Evaluation of uncertainty about the fixed value of the coal ash fusibility standard substance;
灰熔融性标准物质定值不确定度评定
2.
The composition of coal ash and mineral matters obviously influence coal ash fusibility.
论述了煤灰熔融性温度与测试气氛、煤灰成分、矿物组成等因素之间的关系。
参考词条
补充资料:为再结合熔融石英制品、熔融石英陶瓷制品
分子式:
CAS号:

性质:又称为再结合熔融石英制品、熔融石英陶瓷制品或石英玻璃烧结制品。具有良好的化学稳定性。抗酸性和抗冲刷性强。高温机械强度大。热膨胀系数低。气孔率低。导电率低。但在1100℃以上长期使用时,制品中的石英会向方石英转变,使制品产生裂纹和剥落。以熔融石英为原料,经粉碎、成型、干燥、烧成而制得。制法有泥浆浇注法、蜡注法、捣打法、半干压法和等静压成型等。由于在烧成时收缩小,可以制得尺寸精确的制品。可用于制作耐酸容器、反应罐内衬耐酸部件等。冶金工业中用其制成浸入式水口,使用效果很好。

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