The vacuum multi-purpose furnace utilizes the characteristic of water—specifically its low boiling point under low-pressure conditions—to rapidly heat the heat-transfer water contained within a sealed furnace chamber. As the heat-transfer water boils vaporizes into high-temperature steam, this steam condenses onto heat-exchange tubes, thereby heating the cold water flowing inside the tubes achieving the objective of supplying hot water.
(1) Operates under a vacuum (negative pressure), rendering it truly explosion-proof ensuring exceptional safety.
(2) The successful separation of load-bearing steel plates in the high-temperature high-pressure zones extends the service life by 2 to 3 times, resulting in a designed service life of up to 30 years.
(3) The overall design is scientific, rational, compact, saving 50% to 70% in floor space requirements.
(4) Heat exchange takes place internally within the unit; consequently, the overall machine efficiency exceeds 91%. It can supply hot water at 70–80°C within just 2 to 3 minutes of startup, significantly shortening the preheating period minimizing energy waste.
(5) Features fully automatic control capabilities, allowing for intelligent, unmanned operation remote network-based control.
(6) Equipped with a built-in stainless steel heat exchanger, ensuring absolutely no contamination of the water quality.
(7) Compared to indirect heating systems (typically comprising a boiler, external heat exchanger, circulation pump, materials, installation labor), installation costs are reduced by over 30% to 40%.
(8) High efficiency, rapid heating, superior heat exchange performance result in fuel cost savings of over 20% to 30%.