Cost-effective circulating fluidized bed boiler

Zhengzhou Boiler Group DHX circulating fluidized bed boiler is a product that is improved and improved on the basis of absorbing the advantages of circulating fluidized bed boilers at home and abroad. By reducing the cycle rate and optimizing the structure of key components, the boiler wear and return are effectively solved. The device has coke blockage, high initial dust concentration of the boiler, and difficulty in slagging, which makes the structure of the boiler more reasonable, the performance is better, and the operation is safer and more reliable.


Based on the energy-saving circulating fluidized bed combustion technology of fluid state reconstruction, the DHX circulating fluidized bed boiler overcomes the problems of high power consumption and wear of the conventional circulating fluidized bed boiler plant. The power consumption of the plant can be reduced by at least 30%. At the same time, the reduction of boiler wear increases the availability of the boiler, and the maintenance and repair costs are correspondingly reduced.

High combustion efficiency. Due to the intense mass and heat exchange in the fluidized bed, the unburned coal particles can increase the residence time in the furnace through multiple cycles, which is very beneficial to fuel burnout. The fuel is widely adaptable. DHX type circulating fluidized bed boiler can not only combust flammable coal such as bituminous coal or lignite, but also burn non-combustible coal such as anthracite. The waste slag can be comprehensively used. The carbon content of slag is generally below 2%, and it can also burn trees. Biomass fuel such as skin and garbage. The pollution emissions are low. DHX type circulating fluidized bed boiler can obtain desulfurization rate of up to 80%-90% under appropriate calcium-sulfur ratio and limestone particle size. At the same time, due to lower combustion temperature, graded air supply is used to make this type of boiler burn. The nitrogen oxides produced are also much lower than the pulverized coal fired furnace, so their sulfur dioxide and nitrogen oxide emissions are low.

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