Air compressor is one of the general equipment in manufacturing industry. It is necessary to do a good job in energy saving management of air compressor to realize power saving in enterprises. In order to save the production cost of enterprises, it is urgent for enterprises to equip with high energy efficiency air compressors. So how to make the air compressor energy saving? For the high energy consumption equipment that has been listed in the national elimination catalog and the air compressor with low energy efficiency, we should consider the overall renewal of the new air compressor with high energy efficiency.
1. Control leakage
According to the calculation, a 1mm2 small hole, under the pressure of 7 bar, the leakage amount is 1.5L/S, check all the transmission network and gas points, especially joints, valves and other places, timely treatment of the leakage point.
2, Pressure drop management
Set up pressure gauge to measure pressure by pipeline section, check the pressure drop of each section in detail, and check and maintain the pipeline section in time if there is a problem. General air compressor export to the gas point, the pressure drop is not more than 1 bar, strict or even not more than 10%, that is, 0.7Bar, the pressure drop of the cold dry filter section is generally 0.2bar. Workers try to arrange annular pipe network to balance the gas pressure at each point.
3. Adjust the pressure matching of gas equipment
Evaluate the pressure demand of the gas equipment, and try to lower the exhaust pressure of the air compressor under the condition of ensuring production. When the exhaust pressure of the air compressor is reduced by 1 bar, the energy saving is about 7-10%.
4. Adjust unreasonable gas consumption behavior
According to authoritative data, the power utilization rate of air compressor is only about 10%, and about 90% is converted into heat energy and lost. It is necessary to evaluate the plant gas equipment and whether it can be solved by electric way. At the same time, we should resolutely put an end to routine cleaning work with compressors.
5. Adopt centralized control mode
If the number of air compressors is small, a frequency conversion air compressor can be used to regulate the pressure. If the number is large, centralized linkage control can be used to avoid the step exhaust pressure rise caused by the parameter setting of multiple air compressors.
6. Maintain and clean the equipment
Increase the heat dissipation effect of air compressor, the exchange effect of water cooling and air cooling heat exchangers, and keep the oil clean.
7. Waste heat recovery of air compressor
The heat of air compressor oil is recovered to prepare hot water for use in other processes or assisted living facilities.
8, Drying system transformation or replacement
The new drying equipment uses air pressure air waste heat to dry and dehydrate the compressed air, saving more than 80% energy.
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