Energy-saving reform project of Shanghai XXX Vacuum Electronics Co., LTD.

The energy-saving reform project of Shanghai XXX Vacuum Electronics Co., LTD.used two sets others brand air compressor before the transformation.,In the later stage, the compressed air consumption was not enough.After learned about the customers air demand, ZIQI company formulated the scheme of using one set double-stage variable speed screw air compressor GAT-110ACFV and one set blower type adsorption air dryer(zero air loss) to replace the 2 sets others brand air compressors.

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

Photos of the customers on-site air compressor room after installation:

Compressor Model：V-90-8A、V-55-8;

Data before renovation（2023.5.10～18）：

Date	Operating time h	Electricity consumptionV-90-8A kW·h	Electricity consumptionV-55-8 kW·h	Data of flow meter Nm³	Air consumption Nm³	Total kW·h
May 10th	4.5	430	11.2	1579.48	1579.48	441.2
May 11th	11	988.8	14.8	5432.98	3853.5	1003.6
May 12th	4.5	414.4	0.4	7128.88	1695.9	414.8
May 15th	10	784.4	31.2	12426.5	5297.62	815.6
May 16th	14	1243.6	82.4	17834.7	5408.2	1326
May 17th	17	1504	133.6	26729.6	8894.9	1637.6
May 18th	14.5	1285.2	259.6	35181.67	8452.07	1544.8

Data after renovation（2023.5.10～18）：

Field data	Baseline total air production	Baseline Total Power Consumption
Field data	35181.67 Nm³	7183.6 kW·h
Energy Benchmark	Baseline power consumption=total power consumption/total air production（unit kW·h/ Nm³）：0.204 kW·h/Nm³

Compressor Model：GAT-110A CFV

Data before renovation（2023.7.24～28）：

Date	Ammeter 1	Flow meter data	Total air consumption	Total power consumption	Baseline power consumption
July 24th	1418.77	316907.68
July 25th	1434.33	322748.07	5840.39	622.40	0.107
July 26th	1445.25	326376.1	3628.03	436.80	0.120
July 27th	1457.88	330027.37	3651.27	505.20	0.138
July 28th	1485.63	338090.77	8063.40	1110.00	0.138

Data before renovation（2023.7.24～28）：

Field data	Baseline total air production	Baseline Total Power Consumption
Field data	21183.09 Nm³	2674.40 kW·h
Energy Benchmark	Baseline power consumption=total power consumption/total air production（unit kW·h/ Nm³）：0.126 kW·h/Nm³

Baseline electricity consumption：

（0.204-0.126）/0.204=38.24%

It can be concluded that the Baseline electricity consumption of GAT-110A CFV is 38.24% higher than V-90-8A、V-55-8’s.

The calculation of energy saving per month：

GAT-110ACFV：110KW×8h/day×30days/month×38.24%=10095 kw/month

After renovation，the data of energy saving is approximately 121,140 kw h per year.

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Energy-saving reform project of Shanghai XXX Vacuum Electronics Co., LTD.

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