The demulsification properties of synthetic silicone oil compressor oil are a key indicator for ensuring stable equipment operation. During compressor operation, moisture in the air condenses into liquid water during the compression process, coming into direct contact with the lubricating oil. If the compressor oil's demulsification properties are insufficient, the oil and water can easily form a stable emulsion after mixing, leading to a sharp decline in oil performance and, in turn, a series of problems such as increased equipment wear, reduced efficiency, and even equipment downtime.
Demulsification can have a detrimental effect on the lubrication function of synthetic silicone oil compressor oil. Under normal circumstances, compressor oil must form a stable oil film between moving parts to reduce friction and wear. However, after emulsification, the viscosity of the oil changes significantly, resulting in uneven oil film thickness, and even in areas where an effective lubricating layer may not form. In this condition, the contact surfaces of key components such as piston rings and bearings can generate high temperatures due to direct friction, leading to fatigue and spalling of the metal surfaces. Long-term operation can cause serious failures such as seizure and fracture.
The oil-water separation efficiency directly affects the life of synthetic silicone oil compressor oil. Oils with excellent demulsification properties can quickly separate water from the oil and drain it out of the system through drainage. Oils with poor demulsibility can trap water in the oil lines for extended periods, accelerating oil oxidation and deterioration, generating acidic substances and precipitates. These substances not only corrode metal components but also clog filters, oil lines, and coolers, leading to abnormal system pressure and elevated temperatures, creating a vicious cycle.
The demulsibility of synthetic silicone oil compressor oil has a significant impact on equipment sealing. Emulsified oil viscosity decreases, potentially leading to unbalanced expansion and contraction of sealing components such as O-rings and gaskets, resulting in seal failure. Gas leakage not only reduces compression efficiency and increases energy consumption, but also allows external impurities to enter the system, further contaminating the oil. Seal failure can pose a safety hazard, especially under high-pressure conditions. Oils with good demulsibility can effectively maintain seal performance and ensure system airtightness.
The demulsibility of synthetic silicone oil compressor oil is also crucial for heat exchange efficiency. Compressor operation generates significant heat that needs to be dissipated through the oil cooler. Emulsified oil, due to the presence of water, reduces thermal conductivity, impairing cooling effectiveness and causing a continuous increase in oil temperature. High temperatures accelerate oil oxidation, shorten oil change intervals, prematurely age rubber seals, and increase maintenance costs. Oils with excellent demulsibility maintain stable thermal conductivity, ensuring system temperatures remain within safe ranges.
Equipment operational stability is highly dependent on the demulsibility of synthetic silicone oil compressor oil. Deterioration in oil performance caused by emulsification can lead to increased compressor vibration and noise, and even trigger protective shutdowns. Frequent starts and stops not only affect production efficiency but also impact components such as motors and couplings. Using synthetic silicone oil compressor oil with outstanding demulsibility can reduce unplanned downtime, extend equipment overhaul cycles, and lower overall lifecycle maintenance costs.
The demulsibility of synthetic silicone oil compressor oil is a core characteristic of its overall performance. By maintaining oil-water separation, stable lubrication, reliable sealing, and efficient heat exchange, it directly ensures compressor operating efficiency, safety, and cost-effectiveness. Demulsibility should be a key consideration when selecting compressor oil, especially in harsh operating conditions such as humidity, high temperatures, or dust, to ensure long-term stable equipment operation.