Do you know how to save energy in several ways for air compressors?
Air compressors are one of the general equipment in the manufacturing industry. Air compressors are also extremely power-consuming equipment. Doing a good job in the energy-saving management of air compressors is an essential work for enterprises to save energy and reduce consumption. In order to save costs, it is imminent for manufacturers to equip high-efficiency air compressors. It is equally important to save energy and reduce consumption of existing air compressors. So how to make the air compressor save energy?
This article summarizes several common ways to save energy in air compressors, hoping to bring inspiration to help companies with large energy consumption to save electricity and reduce consumption.
1. Prevent leakage
It is estimated that a small hole of 1mm2 will leak about 1.5L/S under the pressure of 7bar. Check all the pipeline network and gas consumption points, especially the joints, valves, etc., and deal with the leakage points in time. As the pressure rises, the leakage volume increases geometrically.
2. Pressure drop management
Set up pressure gauges through pipeline sections to detect pressure, check the pressure drop of each section in detail, and check and maintain the pipeline network section in question in time. Generally, the pressure drop from the outlet of the air compressor to the point of use should not exceed 1 bar, or even not more than 10%, which is 0.7 bar, and the pressure drop of the cold-drying filter section is generally 0.2 bar. Air pressure.
3. Adjust the pressure matching of the gas equipment
Evaluate the pressure requirements of the gas-using 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 use behaviour
According to authoritative data, the electric energy utilization rate of the air compressor is only about 10%, and about 90% is converted into heat energy and lost.
5. Adopt centralized control mode
If the number of air compressors is small, a variable frequency air compressor can be used to adjust the pressure. If the number is large, centralized linkage control can be used to avoid the stepped exhaust pressure rise caused by the parameter setting of multiple air compressors.
6. Do equipment maintenance and cleaning
Increase the heat dissipation effect of the air compressor, the exchange effect of the heat exchangers such as water cooling and air cooling, and keep the oil quality clean.
7. Air compressor waste heat recovery
Recover air compressor oil system heat to prepare hot water for use in other processes or assisted living facilities.
8. Modification or replacement of drying system
The new drying equipment uses the residual heat of compressed air to dry and dehydrate the compressed air, and the energy saving rate is over 80%.
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