In the power generation industry, precise fuel flow management is crucial to ensuring stable and efficient energy production. For coal-fired power plants, this means maintaining accurate levels in coal storage bins to prevent operational disruptions and inefficient combustion processes. One of the most reliable methods for achieving this is membrane-based level switches, which provide continuous monitoring and control of coal bin fill levels.
Why is Level Measurement in Coal Bins Important?
Coal, one of the most widely used energy sources in fossil-fuel power plants, must be properly stored and dosed to ensure stable and efficient combustion. If the storage bins are too full, blockages and inefficient material transport can occur. Conversely, if the levels are too low, fuel shortages may lead to plant downtime, reducing overall efficiency.
By using membrane-based level switches, which are installed directly in the coal bins, operators can monitor material levels in real time and take action when necessary.
Elniva Membrane Switches for Coal Bin Level Monitoring
Elniva membrane switches are designed to handle dry bulk materials, making them ideal for applications in power plants where coal is stored and transported. These switches operate by using a rubber membrane that presses against a micro switch when the material level in the bin reaches a certain point. As pressure changes, the switch is activated or deactivated, signaling the need to adjust the fuel supply.
Advantages of Elniva Membrane Switches in Power Plants:
✔ Reliable and robust construction – Made from die-cast alloy, ensuring durability in the harsh coal bin environment.
✔ Overload protection – The membrane’s movement is limited to 3–4 mm, preventing internal damage from high material pressure.
✔ Pressure compensation – Equipped with a pressure equalization function to handle changes in air pressure behind the membrane.
✔ Flexible mounting options – Can be installed either inside or outside the bin, depending on operational needs.
Optimizing Coal Handling with Accurate Level Control
By incorporating membrane switches into the coal handling process, power plants can optimize fuel flow, leading to:
🔹 Reduced downtime – Early warnings of low levels minimize the risk of fuel shortages.
🔹 Improved operational efficiency – Optimized fuel supply reduces energy consumption and equipment wear.
🔹 Enhanced safety – Prevents overfilling and blockages in transport and combustion systems.
Conclusion
For power plants handling coal, effective level measurement is essential to maintaining stable and continuous energy production. By using Elniva membrane switches, operators can ensure optimal coal management, leading to increased efficiency, reduced costs, and safer operations.
Want to learn more about how Elniva level switches can improve coal handling at your facility? Contact Level Switch Sweden for more information.