Successful Case Of Zhoushan ***automotive interior parts Co., LTD- ZIQI two stage screw air compressor replaces of *** c

An automobile interior parts Co., Ltd. in Zhoushan,the usage situation before the transformation was 2 sets Ingersoll Rand centrifugal air compressor,C70035MX3(80.6m³/min,700HP/10000V,2016) C70041MX3 (110.4m³/min, 750HP/380V, 2015), Due to the high maintenance cost and repair costs of machines and the high energy consumption of machines, after understanding the compressed air demands of customers Finally, it was decided to select 1 set ZIQI Two-stage screw air compressor GAT-250WVFC and 1 set GAT-315WVFC The plan to replace the existing 2 set centrifugal compressor is to carry out energy-saving modifications,and meanwhile upgrade the compressed air pipeline on the using site.

On-site photos of the air compressor room before renovation:

On-site photos of the air compressor room after renovation:

Energy saving calculation:

The flow meter data of November is 4678974.63Nm³

Calculation of electricity saving for this month：

(0.120-0.0819)kW ·h/Nm³*4678974.63Nm³=178268.9kW ·h

After finished the renovation of this project, the energy saved approximately 2.139 million kWh/year.