Energy Efficiency and Performance Analysis of Industrial (Textile Sector) Fans based on the Associated Systems

G3 - Fan Efficiency

Fans are extensively used in commercial and industrial applications. Most manufacturing plants use fans for industrial processes that need air change. Fan systems consist of a fan, a drive system, ducts, trenches, electric motor and air conditioning equipments (i.e. filters, heat exchangers, cooling coils, etc) which are essential to keep manufacturing processes smooth. In manufacturing processes, fan reliability is significant and its failure or low performance can lead to energy and production losses. Therefore, efficiency of fan is of high importance. To analyze efficiency of industrial fan systems Energy Audits of textile Industries of Pakistan were conducted.
During energy audits it was observed that the air flow of supply and return fans was mostly lower as compared to that showed in case studies. The case studies done during audits indicate that the system is not supporting the fans performance i.e. generation of air flow, due to which more fans were added to get required air changes which lead to higher energy input. Hence, to increase the performance of fan and to reduce energy losses there is a need to develop a proper fan system.
A detailed analysis of fan system is done in this paper and options to reduce energy losses by improving system performance are proposed.