For solving the problem of wear and tear of the bended tube of a coal powder boiler in the thermal power plant, the cementite pipe is substituted by the complex steel pipe lined with porcelain.

• 摘要针对热电厂煤粉锅炉弯管存在的磨损问题，采用陶瓷钢铁复合管替换碳钢管，耐磨性提高，寿命延长30倍。