I believe that whether you are purchasing a hot water boiler or a steam boiler, the technicians will repeatedly emphasize that the water entering the boiler must be soft water after water treatment. Why do you say this? Let the technical engineers of Zhengzhou Fangkuai Boiler Factory answer for you.
If you put hard water, that is, ordinary water into the boiler, it is very easy to scale. Because the steam is constantly evaporating, it will cause the calcium, magnesium, and impurity concentration in the boiler water to be very high, which is 30-50 times that of natural water. The rate of scaling is very alarming. It may not take half a year to a year. There can be 1-2mm scaling. For boiler equipment, scale is extremely harmful, and in severe cases, it can also threaten the safe operation of the boiler.
After the appearance of scale, the thermal conductivity is only less than 0.5% of metal. After the appearance of boiler scaling, if the thermal efficiency is to be achieved without scale, the only way to increase the temperature of the heating surface inside the boiler, for example: when the furnace wall temperature is 250℃, When the scale is 1mm, if you want to achieve the same thermal efficiency, the wall temperature must be increased to 650°C. At this time, the heat absorption rate is extremely low, the energy consumption increases, and the fuel cost doubles.
It can be seen that, no matter from a safety or economic point of view, boiler water must be used in accordance with the use specifications and can only be used after water treatment.


Recently, Zhengzhou Fangkuai Boiler Sales Co., Ltd. traveled to Dhaka, the capital of Bangladesh, to attend the Bangladesh International Textile, Knitwear & Garment Industry Exhibition (BTKG 2026). It showcased industrial thermal equipment and system solutions adapted to the whole process of textile printing and dyeing, actively expanding the South Asian market.
Bangladesh is an important global producer and exporter of textiles and garments. As a pillar local industry, the textile sector has long-term and strong demand for high-efficiency, stable and energy-saving industrial boilers and thermal equipment, with broad market potential. This exhibition participation is an important measure for Zhengzhou Fangkuai Boiler Sales Co., Ltd. to advance its internationalization strategy and further explore overseas markets.

Relying on its technological accumulation and manufacturing advantages in the field of thermal energy equipment, the company provides targeted thermal energy solutions for local textile, printing and dyeing, garment manufacturing and other industries, helping enterprises improve production efficiency and reduce operating costs. In the future, Zhengzhou Fangkuai Boiler Sales Co., Ltd. will continue to focus on overseas market demands, continuously optimize its product and service system, facilitate the high-quality development of the global textile industry with professional and reliable products, and steadily enhance the brand’s competitiveness and influence in overseas markets.

Trust stems from quality
At the beginning of the new year, Fangkuai Boiler and a leading domestic new energy company have reached another important cooperation, successfully signing an order for a total of 500 steam tons.




