Swirl Heat Exchanger

SPIRAL Heat Exchangers

AIC Spiral Heat Exchangers are custom crafted solutions for challenging, high-viscosity media. The unique circular chamber design, with two spiral channels, is ideal for sludges, slurries, waste water, wood pulps, high viscosity hydrocarbons, and fouling liquids containing fibers and solids.


  • Dairy/food/beverage industry
  • Biogas industry
  • Wastewater industry
  • Pulp and paper industry
  • Heavy industry
  • Petrochemical industry
  • Chemical industry

Maximum Working Parameters

  • Standard Working temperature up to 200 °C (392 °F)
  • Standard Working pressure up to 10 bar (145 psi) – higher pressure rating optional

Standard Materials

  • Shell : Carbon Steel
  • Spiral Components : Carbon Steel , Stainless Steel

Concentric Spiral Plate Coils

The ingenuity of AIC’s Spiral Heat Exchangers lies in the concentric spiral plate coils nested within the shell.  The coils form two distinct channels, with a counter current flow arrangement, which allow the spiral heat exchangers to achieve very close temperature approaches.

Quality & Unique Fabrication
Sprial Heat Exchanger
  • A. Standard spacing channels option for clean fluids – Enhances heat transfer rate
  • B. Free flow channels option for dirty media – Prevents clogging
Features and Benefits
  • Single-channel design generates high shear rates, which contribute to a self-cleaning effect, preventing clogging of the unit.  The perfect solution for challenging, high-viscosity media.
  • The channel size is selected to fit the flow and qualities of the media. The many variations in diameters and widths of the spiral coil allow for many different combinations, creating the optimal solution for every duty.
  • Designed to handle a very aggressive temperature program, and with a wide range of materials and plate thicknesses available, each spiral heat exchanger is customized to match the requirements of any application.
  • Low product maintenance ensures extended operational uptime. Should the need arise, the hinged covers provide easy access to the entire heat transfer surface.
  • Compact spiral design requires minimal operating space. The long, curved flow paths allow for heat transfer coefficients up to double that of a shell and tube equivalent.