Reducing Furnace Air Consumption

Convection reflow belt furnaces can consume a lot of air. To minimize air usage, you can develop a plan to develop and monitor the cleanliness specification inside the furnace.

For instance:

  • You could use a clean room particle counter and place the probe inside the furnance.

  • Then, reduce the air flow into the furnace (normally this is to keep the positive pressure inside the furnace, like a clean room design, to keep the furnace inside air clean).

  • After that, you can also try to reduce the curtain air flow too. For a Venturi assisted exhaust, you may just need minimum flow.

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