1900t/h锅炉掺烧低水澳优煤的可行性研究Feasibility Study on Combustion of Blended Low-water Australian Premium Coal for a 1900 t/h Boiler
李文华,胡卿,童家麟,吕洪坤,蔡洁聪
LI Wenhua,HU Qing,TONG Jialin,LYU Hongkun,CAI Jiecong
摘要(Abstract):
为了扩大锅炉的适烧煤种资源,以某1 900 t/h燃煤锅炉为研究对象,采用分仓掺烧的方式进行不同比例的低水澳优煤掺烧试验。结果表明,掺烧低水澳优煤是可行的,不会对炉内结焦、减温水量、制粉系统和锅炉效率产生明显影响,但全烧低水澳优煤后NO_X生成量大幅增加,较基础工况增加了约50%,故建议以2~3套中下层制粉系统掺烧低水澳优煤,而不建议全烧该煤种。
In order to increase coal types for boilers, 1 900 t/h coal-fired boiler is taken as a study object to carry out combustion test of blended low-water Australian premium coal in different proportions in several bunkers. The result shows that combustion of the blended low-water Australian premium coal is feasible, and the impact on slagging in furnace, quantity of attemperating water, pulverized coal preparation system and boiler efficiency is negligible. However, combustion of low-water Australian premium coal only may lead to 50% NO_X emission increase more than that of basic condition. Therefore, it is suggested using 2 or 3 medium and lower pulverized coal preparation systems for combustion of blended low-water Australian premium coal rather than combustion of the coal only.
关键词(KeyWords):
掺烧;结焦;减温水量;制粉系统;锅炉效率;NO_X排放
blended combustion;slagging;attemperating water quantity;pulverized coal preparation system;boiler efficiency;NO_X emission
基金项目(Foundation):
作者(Author):
李文华,胡卿,童家麟,吕洪坤,蔡洁聪
LI Wenhua,HU Qing,TONG Jialin,LYU Hongkun,CAI Jiecong
DOI: 10.19585/j.zjdl.201707007
参考文献(References):
- [1]林德平.600 MW亚临界机组劣质煤掺烧试验研究[J].广东电力,2015,28(9):37-42.
- [2]陈宝康,陈敏,王小华,等.350 MW机组燃用烟煤锅炉掺烧褐煤的试验研究[J].热力发电,2013,42(6):35-39.
- [3]王春昌,阮士周,宋太妃,等.烟煤锅炉两种方式掺烧褐煤的工程应用[J].中国电力,2010,43(10):35-38.
- [4]应明良,戴成峰,胡伟锋,等.四角切圆锅炉掺烧印尼煤运行特性分析[J].热力发电,2008,37(11):64-67.
- [5]章良利,李敏,赵敏,等.对冲燃烧锅炉低氮燃烧器改造后煤种适应性试验研究[J].浙江电力,2016,35(11):37-41.
- [6]柳宏刚,佘园元.W型火焰锅炉无烟煤掺烧烟煤试验研究[J].热力发电,2013,42(1):36-40.
- [7]朱光明.电站锅炉劣质煤掺烧及优化燃烧技术[M].北京:中国电力出版社,2015.
- [8]寿春晖,祁志福,陈彪,等.某1 000 MW燃煤机组超低排放改造减排NOX的环境效益评价[J].浙江电力,2016,35(12):21-25.
- 掺烧
- 结焦
- 减温水量
- 制粉系统
- 锅炉效率
- NO_X排放
blended combustion - slagging
- attemperating water quantity
- pulverized coal preparation system
- boiler efficiency
- NO_X emission