优质煤 meaning in English
high rank coal
rich coal
Examples
- The allowed coal - burning boilers of 14 mw or larger should comply with stringent emission limits through use of low sulfur coal , highly effective technology for desulfurization and dust removal and on - line monitoring instruments
规划保留的20吨以上燃煤锅炉，通过使用低硫优质煤、应用高效脱硫和除尘技术以及采取其它节能控污措施，并安装在线监测仪，达到严格的排放标准。 - An introduction was made to the dry distillation process of coal , anti - metal penetration mechanism of coal dust and influences of various physical - chemical properties of coal dust on its anti - metal penetration ability , view points on coal dust choice and choice methods
摘要介绍煤的干馏过程、煤粉在型砂中的防粘砂机理和煤粉的各项理化指标对其防粘砂能力的影响，以及选择优质煤粉的观点和方法。 - The burners of 220 t / h boiler in henan shenhuolv power plant were retrofitted by using the pulverized coal burners with stabilized - firing cavity and cutting down the distance between up - primary air and down - primary air etc . technologies , thus the boiler was successfully converted from originally designed burning high calorific value coal to low calorific value coal , the boiler could operate stably at 50 % load without oil - firing aid and the thermal efficiency of boiler reached 89 %
摘要采用稳燃腔煤粉燃烧器并集中布置上、下一次风等技术对河南神火铝电厂220t / h锅炉燃烧器进行改造，成功地将该炉原设计燃用优质煤改燃为普通煤，并取得了改造后50 %负荷可无油稳定运行，锅炉热效率达到89 %的良好效果。