BOILER COILS

Boiler coils are heat exchangers made of metal tubes arranged in a coil pattern, used in boiler systems to transfer heat from combustion gases to water or steam. They are typically made from heat-resistant materials like stainless steel or copper. Boiler coils are essential for generating steam or hot water for heating and industrial processes, and they come in two main types: water-tube and fire-tube boilers. Proper maintenance is crucial for their efficiency and longevity.

Boiler Coils

FUNCTIONS

  • Heat Absorption: The boiler coil absorbs heat from the combustion gases produced by burning fuel. These gases flow over or through the coils, depending on the boiler design.
  • Heat Transfer: The heat absorbed by the coils is transferred to the water or steam circulating within the tubes. This transfer is facilitated by the conductive properties of the coil material, which efficiently conducts heat.
  • Steam Generation: As the water inside the coil absorbs heat, its temperature increases, eventually reaching its boiling point and converting into steam. This steam can then be used for various heating applications or industrial processes.
  • Continuous Circulation: The water or steam circulates continuously through the boiler system, with the coils constantly transferring heat to maintain the desired temperature and pressure.

SPECIFICATIONS

DRAUGHT TYPE/ SHAPE FLOW TYPE MOC CAPACITY (TR) FILL TYPE DRIVE TYPE
Induced / Square Counter Flow FRP (Fiberglass) 10 – 500 Honeycomb Fills Direct
Forced / Round Cross Flow PVC 5 – 200 Splash Fills Belt Drive
Induced / Rectangular Parallel Flow Galvanized Steel 50 – 1000 Film Fills Gear Drive
Forced / Oval Counter Flow Stainless Steel 20 – 300 Cellular Fills Direct
Induced / Circular Cross Flow Aluminum 15 – 400 Splash Fills Belt Drive

ADVANTAGES

  • Efficient Heat Transfer: The design of boiler coils allows for maximum surface contact between the heat source and the fluid, leading to efficient energy use.
  • Compact Design: Boiler coils are designed to fit within a compact space, making them ideal for applications where space is limited.
  • Rapid Response: They can quickly reach the desired temperature and generate steam, which is essential for processes that require immediate heat availability.
  • Durability: Constructed from materials like stainless steel and copper, boiler coils can withstand high temperatures and pressures, ensuring long-term reliability.

TYPES OF BOILER COILS

  • Water-Tube Coils: In these coils, water circulates inside the tubes and is heated by external combustion gases. This type is suitable for high-pressure applications.
  • Fire-Tube Coils: Hot combustion gases pass through the tubes, which are surrounded by water. This configuration is typically used in low to moderate pressure applications.
  • Helical Coils: These coils are wound in a helical shape, providing a compact and efficient heat transfer surface. They are often used in applications requiring high efficiency and compact design.
  • Fin-Tube Coils: Tubes equipped with fins increase the surface area for heat transfer, enhancing efficiency. They are used in applications where maximizing heat transfer is critical.

APPLICATIONS ON BOILER COILS

  1. Industrial Processes
  2. Power Generation
  3. Building Heating Systems
  4. Food and Beverage Industry
  5. Marine Applications