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Continuous Nitrogen Shielded Brazing Furnace

Description of Continuous Nitrogen Shielded Brazing Furnace

This continuous nitrogen shielded brazing furnace is designed for brazing aluminum heat exchanger cores by using non-corrosive flux (Nocolok Flux) under Nitrogen gas shield protection.

Our design is advanced, state-of-the-act, mature, wear well, and environmentally-friendly.

Production flow: loading workpiece → flux spraying → drying → going through front curtain room (with nitrogen) → brazing (with nitrogen) → slag removing (nitrogen pre-heating) → going through static cooling room → going through rear curtain room (with nitrogen) → going through compulsive air cooling room → manual taking off cores from the belt.

Main Components of Continuous Nitrogen Shielded Brazing Furnace

The complete system mainly includes four sections: round-design flux spraying room, drying oven, brazing furnace, and control system.

  • Degreasing section or separate washing machine
  • Continuous flux spraying section (including flux mixing & feeding)
  • Drying oven and its driving unit
  • Front-curtain room of brazing section
  • Brazing section & its driving unit
  • Slag-removal room
  • Static cooling room
  • Rear-curtain room of brazing section
  • Compulsive cooling room
  • Electric control system
  • Water & nitrogen supplying device
Specifications of Continuous Nitrogen Shielded Brazing Furnace
Model Rated power Rated temp. Suitable workpiece dimension(mm) Length of brazing section Whole line length
NB-450-150 242kW 750ºC 450 x 150 6m 28.5m
NB-450-200 242kW 750ºC 450 x 200 6m 28.5m
NB-600-200 303kW 750ºC 600 x 200 8m 29m
NB-600-300 303kW 750ºC 600 x 300 8m 29m
NB-800-200 515kW 750ºC 800 x 200 11m 37.7m
NB-800-300 515kW 750ºC 800 x 300 11m 37.7m
NB-1000-200 615kW 750ºC 1000 x 200 11m 37.7m
NB-1000-300 615kW 750ºC 1000 x 300 11m 37.7m
NB1100-200 655kW 750ºC 1100 x 200 11m 37.7m
NB-1100-350 685kW 750ºC 1100 x 350 11m 37.7m
NB-1200-200 715kW 750ºC 1200 x 200 11m 37.7m
NB-1200-350 735kW 750ºC 1200 x 350 11m 37.7m
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