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Vacuum hot water boiler

  • thermal capacity: 0.7-4.2MW
  • Rated thermal efficiency: ≥100%
  • Pressure: Vacuum (negative pressure)
  • Available fuel: natural gas LPG heavy oil diesel dual fuel etc
  • Available industries: food beverage feed mill textile mill paper mill packaged refinery chemical pharmaceutical etc.

Product introduction

 Vacuum hot water boilers also named vacuum phase change hot water boiler. There is a vacuum condition inside, fill heat medium water in furnace and heat these water through oil/gas. Through heat exchange, the heat inside the boiler is transfered to outside water.

widely used greenhouse, mining, building heating, hotel, school, hospital, lumber,  plating, construction,  food, beverage, slaughthouse and so on. 

 

Production advantage:

• High efficiency and energy saving, flexible and multi-purpose

There is no need to set plate heat exchanger, volumetric heat exchanger, primary circulation pump, soft water treatment equipment and other auxiliary equipment in the boiler room, the system is simple, the boiler room covers an area of small, low investment cost.

• The operation is simple

No need for security procedures, can realize multiple water supply, simultaneously meet the needs of heating and bathing, one machine multi-purpose, and furnace water using high pure water, to ensure that the furnace body will never scale, corrosion.

• Helium mass spectrometry detection, not a trace of omission

The key technology of vacuum boiler is that the vacuum degree should be maintained for a long time and the leakage rate is very small. The helium mass spectrometer leak detector is used for detection to ensure the long-term maintenance of the vacuum degree of the boiler.

• Multiple protection functions, safe and stable

When the power supply voltage exceeds the normal range, it will automatically cut off the boiler power supply and alarm.When the water level of the boiler is lower than the safety water level of the boiler, the power supply will be automatically cut off and the alarm will be given

• Chinese large screen control, simple operation

PLC control system;Real-time dynamic display of boiler operation picture and related parameters, intuitive and convenient;Display furnace heat medium water temperature, vacuum degree, inlet and outlet water temperature and other operating parameters;Fault record and operation curve, according to the data analysis of economic operation.

 


Technical parameter

Model Rated thermal power(MW) Hot water production(t/h) Rated working pressure(Mpa)
ZWNSL0.7 0.7 12 Vacuum (negative pressure)
ZWNSL1.4 1.4 24 Vacuum (negative pressure)
ZWNSL2.8 2.8 48 Vacuum (negative pressure)
ZWNSL4.2 4.2 72 Vacuum (negative pressure)


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