There are two types of 20 ton coal fired steam boilers. One is a common chain grate boiler, and the other is a circulating fluidized bed boiler with high thermal efficiency. Each of the two furnace types has its advantages. Today, I mainly introduce price of 20 ton coal fired circulating fluidized bed steam boilers and the entire set of operating costs.
The model of 20 ton fluidized bed boiler is SHX type circulating fluidized bed boiler including SHX20-1.25-AⅠ, SHX20-1.60-AⅠ, SHX20-2.50-AⅠ.
The operating cost of a 20-ton coal-fired circulating fluidized bed steam boiler has a lot to do with coal quality, load stability, and boiler efficiency. The relative combustion efficiency of a 20-ton boiler is higher, and under normal circumstances, it consumes about 0.175 tons of second-class bituminous coal (with a calorific value of about 5000 kcal) per ton (0.7MW). It is 3.5 tons per hour and 89 tons a day. Actually, the coal consumption is lower than this because the load cannot reach the full load.
20 tons of coal-fired circulating fluidized bed boiler advantages
1. First, the national environmental protection policy will more support circulating fluidized bed boilers. The papermaking industry itself is a heavily polluting industry. As a highly efficient and energy-saving technology, circulating fluidized bed boilers have high combustion efficiency and save coal. They can effectively desulfurize and denitrify, meet various emission standards, and fully meet the increasingly stringent environmental protection policies.
2. Circulating fluidized bed boiler can burn inferior coal. Chain-fired coal-fired boilers can only burn relatively high-quality coal (such as bituminous coal, anthracite, etc.). Circulating fluidized bed boilers can not only burn bituminous coal, anthracite, lignite, lean coal, coal gangue, but also burn bark and wood chips and common biomass materials. The use of circulating fluidized bed boilers can greatly save fuel costs and thus be more economical.
3. Circulating fluidized bed boiler can operate efficiently for a long time. As a kind of papermaking equipment, circulating fluidized bed boilers are generally non-stop, and circulating fluidized bed boilers are very suitable. The annual operating time can reach more than 360 days.