TITLE:
An Experimental Study on the Performance of Storage Pulverizing System after Renovation of Importing Hot Air
AUTHORS:
Guoqing Han, Hongqi Wei, Chang-zheng He, Ying-hui Li
KEYWORDS:
Storage Pulverizing System; Importing Hot Air Renovation; Performance Test; Operation Optimization
JOURNAL NAME:
Energy and Power Engineering,
Vol.5 No.4B,
October
16,
2013
ABSTRACT: A thermal power plant of Sinopec has 9 boilers, which generally have problems of high exhaust gas temperature and high flying ash carbon content. In order to improve the adaptability of coals, the stability of coal powder ignition, the burn-off rate of pulverized coals and the boiler efficiency, a series of renovation projects about importing hot air into mill exhauster are proposed. For the sake of verifying the renovation effects, an efficiency performance test is conducted on the renovated #5 boiler. The test result shows that the boiler heat efficiency has improved by 0.4% and it operates more safely and reliably after the renovation. At last, this paper recommends an optimized operation mode.