工业节能

This paper presents the technical principles, typical engineering solutions, and actual energy-saving performance of waste-heat recovery from air compressors in cigarette factories. By employing oil‑gas heat exchange to recover compression‑generated thermal energy for domestic hot‑water supply and auxiliary…

This article provides a detailed comparison of oil-lubricated and oil-free air compressors, highlighting their key differences in operating principles, air quality, maintenance costs, and application scenarios, to help users make an informed equipment selection based on their specific…

After the air compressor reduces its discharge pressure, the change in air delivery is not linear: positive‑displacement units at constant speed may experience a slight increase in output, while variable‑frequency models typically reduce speed and thus decrease output…

This paper analyzes the core causes of compressed air waste, introduces the leakage estimation method based on pressure attenuation, flow difference and ultrasonic detection, and emphasizes the key role of energy saving audit of air compressor in improving…

This paper explains the design principle of air compression system in detail, covering the core links such as compressor selection, aftercooling, gas storage and pressure stabilization, drying and filtration, etc., emphasizing the three design criteria of energy efficiency,…

Compressed air utilization rate and demand coefficient are often mistaken for the same concept, but in fact they are essentially different: the former reflects the proportion of actual effective gas usage and is used for energy efficiency evaluation;…

This paper analyzes the core relationship between power consumption and gas production of air compressor-specific power (kW/m³ · min), and explains its calculation method, key points of measurement and key influencing factors such as temperature, pressure, leakage, etc,…

The calculation of compressed gas consumption shall integrate the rated gas consumption, simultaneous use coefficient, leakage rate and environmental parameters of the equipment. This paper introduces the theoretical and practical gas consumption formula, the standard state conversion method…