Behind the efficient and stable operation of electrically heated thermal fluid systemshttps://8ruiyan.com/en/all-organic-heat-carrier-boilers/ stands a crucial yet often overlooked “guardian” – the Oil-Gas Separator (also known as the Expansion Tank, Deaerator, or Decarbonization Tank). While it doesn’t directly participate in heating, it is a core component ensuring the system’s safe, smooth, and long-term operation. Today, we unveil the mystery of this “invisible guardian.”
Why You Need This Tank:
When thermal oil gets hot (over 300°C), three things happen:
- Gases form (from water, air, or oil breaking down)
- Trapped air bubbles escape
- Oil expands and contracts
If gases stay in the system:
- Pumps get damaged (bubbles “explode” inside them)
- Heat doesn’t transfer well (gas blocks heat)
- Pressure jumps up and down
- Oil breaks down faster
- Safety risks increase
What the Separator Does:
- Catches bubbles: Slows down oil so gases can rise to the top
- Vents gases: Auto-valve releases gases safely
- Stores extra oil: Holds oil when it expands with heat
- Protects pumps: Sends bubble-free oil to pumps
- Blocks air: Keeps fresh air out to protect oil
- Filling point: Where you add new oil
How It Works (Simple Steps):
- Hot oil enters: Used oil (with bubbles) flows into the tank
- Bubbles rise: Tank is big – oil slows down, bubbles float up
- Gases escape: Valve at top opens to release gas
- Clean oil leaves: Bubble-free oil flows out from the bottom
- Pumps get clean oil: Protected oil goes back to the system
- Level & temp check: Gauges watch oil level and temperature
Remember This:
The oil-gas separator is your system’s invisible bodyguard. It quietly:
- Removes dangerous gases
- Keeps pressure steady
- Saves your pumps
- Makes your oil last longer
Check it often:
✔️ Oil level
✔️ Vent valve working
✔️ Temperature (keep below 70°C)
✔️ Clean inside
Taking care of this tank means a safer, more efficient heating system!
For technical support, consult professional suppliers or manufacturer service teams!
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