Pit heating

Requirements:

  • Modernization of an existing pit heating
  • At a depth of 60 meters, a minimum temperature of 8 ° C is desired
  • Use of three heat generators, which are used in cascade, to realize the heat capacity

nordluft's solution:

Usage of three warm air heater with a heat capacity of 860 kW each. The combustion chamber is made of chromium-alloyed, high heat-resistant stainless steel. The shell-and-tube heat exchanger, also made of alloyed stainless steel, is equipped with flue gas turbulators and a condensate drain. 

Technical data for each device:

  • Rated air flow: 43.000 m³/h
  • Warm air capacity: 50.800 m³/h
  • Heat capacity: 860 kW
  • Temperature increase: 50 K