The ZWNS model ultra-low nitrogen vacuum hot water boiler launched by Zhengzhou Fangkuai Boiler Factory is cheap, high in operating efficiency, and low in pollutant emissions. It is a very cost-effective heating hot water boiler. What is the operating principle of this type of boiler? How to achieve high-efficiency and low-emission operation? Let Zhengzhou Fangkuai Boiler Factory do it for you one by one.
Under normal atmospheric pressure, the boiling point of water is 100°C (1pa); when the pressure is lower than the normal pressure value, the boiling point of water will also be lower than 100°C. Generally speaking, when the atmospheric pressure is 0.7pa, the boiling point of water is 90 degrees, when the pressure is 0.3pa, the boiling point of water is 70 degrees, and when the pressure is 0.1pa, the boiling point of water is 40 degrees.
The ZWNS model ultra-low nitrogen vacuum hot water boiler forms a vacuum chamber after being pumped by vacuum. The combustion makes the heating medium water in the vacuum chamber boil and evaporate to produce negative pressure water vapor. The steam condenses outside the heat exchanger tube and heats the cold water in the tube for heating. Heating provides high-temperature hot water.
The heat medium water inside the ZWNS model ultra-low nitrogen vacuum hot water boiler is high-purity water that has undergone special treatments such as descaling and deoxidation. It is filled before the factory leaves the factory and is closed in the boiler (vaporization, condensation and vaporization) during use. Rather than increase or decrease, corrosion and rust will not occur after 20 years of continuous use.
In addition, the ZWNS model ultra-low nitrogen vacuum hot water boiler is also equipped with an ultra-low nitrogen burner that adopts advanced domestic and foreign technology. It can use oil and gas fuels. After operation, the pollutant emissions (especially nitrogen oxides) are lower than 30 mg/m3, it can still be used normally under my country's strict environmental policy, and it is not troubled by environmental protection issues.
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