Waste heat recovery from Industrial Ovens, Kilns & Calciners

Corrosion and fouling limit heat recovery. Polymer economisers and air preheaters are corrosion resistant and fouling can be easily cleaned.

Improve efficiency

Easy cleaning

Prevent fouling & corrosion

Your Oven, Kiln or Calciner has additional waste heat recovery potential

Improve oven efficiency

The oven efficiency can be improved  by using a polymer air preheater or economiser.

Lower CO2 emissions

Every 1% efficiency increase of your Oven, Kiln or Calciner results in 1% CO2 emission reduction.

Decrease fuel costs

The additional heat that is recovered is applied to heat up air entering the oven or heating up process water. Therefore, fuel consumption is reduced.

Waste heat recovery on Industrial Ovens, Kilns & Calciners is limited by corrosion and mechanical failures

Waste heat is lost via the stack

The required heat in Ovens, Kilns or Calciners is generated by firing fuels like natural gas, hydrogen rich gas, fuel oil. The heat loss can be significant. Recovering this heat can be challenging due to the fouling and sometimes corrosive character of the exhaust air, product vapours and flue gas. 

Corrosion and fouling problems

Hot exhaust air and flue gas from Ovens, Kilns or Calciners are vented into the atmosphere. The exhaust air or flue gas may contain: combustion products from the fuel, components released from the processed products and dust particles. In general, the exhaust air and flue gas tend to be fouling and/or corrosive due to the components present. When the flue gas is cooled to recover heat, the acids will condensate and fouling accumulates.

How to recover more waste heat from your Oven, Kiln or Calciner

Waste heat recovery systems for Ovens, Kilns and Calciners

HeatMatrix polymer air preheater

Polymer Air Preheater

Heat up circulation air or combustion air by extracting heat from exhaust air or flue gas. The air preheater is corrosion resistant & anti-fouling and is easy to maintain and clean.
HeatMatrix polymer economiser

Stainless steel or Polymer Economiser

Warm up boiler water or process water with waste heat from exhaust air or flue gas. The economiser is corrosion resistant & anti-fouling and is easy to maintain and clean.
HeatMatrix EcoPack

EcoPack

In the EcoPack the exhaust air or flue gas heat is recovered to warm up water. The EcoPack is  a complete  installed solution for smaller flows. You can directly start saving energy.

Industries with Ovens, Kilns and Calciners

Industrial Cookie Bakery

20% gas reduction

Case study Brick manufacturer

591 kW heat recovered

Technical Assessment of heat recovery on your Oven, Kiln or Calciner

Our process engineers assess the technical feasibility of additional heat recovery on your Oven, Kiln or Calciner. The potential reduction in CO2 emissions, energy consumption and costs is determined.
HeatMatrix technical assessment of heat recovery on an oven, kiln or calciner

FAQ's about Industrial ovens

FAQ's about Kilns

FAQ's about Calciners