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SHX coal-fired CFB (circulating fluidized bed) steam boiler

SHX coal-fired CFB (circulating fluidized bed) steam boiler

Product thermal capacity:10 - 75 t/h

Working pressure:1.25-2.45MPA

Available fuel:Bituminous coal, anthracite, meagre coal, lignite, gangue, waste, sludge

Available industries:Chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital

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Introduction to SHX coal-fired CFB (circulating fluidized bed) steam boiler

As a new mature high-efficiency and low-pollution clean coal technology, circulating fluidized bed combustion (CFBC) technology has many advantages that other combustion methods do not have. Circulating fluidized bed combustion is low-temperature combustion, so the NOx emission is much lower than that of pulverized coal furnace, only 200ppm. CFBC can desulfurize directly during the combustion process, and the desulfurization efficiency is high. The technology and equipment are simple and economic, and the costs of its initial investment and operation are much lower than those of dry pulverized coal furnace and flue gas desulfurization (PC+FCD). The discharged ash residue has good activity and is easy to be comprehensive utilized without secondary ash residue pollution. The load adjustment range is large, and the low load can be reduced to about 30% of the full load.

Technical Features

High temperature cyclone separator
  • High efficiency, wear resistance, separation efficiency ≥ 98%, effectively improve the combustion efficiency of the boiler thermal efficiency.

Large furnace design
  • Large furnace, low velocity design; the application of wearproof tube technology, reducing erosive abrasion.

  • Extend the residence time of coal particles in the furnace so that the coal can be fully burned.

Bell jar type hood

  • Adopt bell type hood to distribute air averagely and avoid fuel reverse to wind chamber.

Low bed pressure operation

  • By particle optimization, the operating bed pressure can be decreased to 3500Pa, which effectively saves operating costs and greatly reduces the oxynitride generated.

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Technical data

Model Rated Thermal Power (t/h) Working Pressure (MPA) Rated Output Water Temperature (℃) Thermal Efficiency (%)
SHX10-1.25-AⅠ 10 1.25 194 89
SHX10-1.60-AⅠ 10 1.6 204 89
SHX10-2.50-AⅠ 10 2.5 225 89
SHX15-1.25-AⅠ 15 1.25 194 89
SHX15-1.60-AⅠ 15 1.6 204 89
SHX15-2.50-AⅠ 15 2.5 225 89
SHX20-1.25-AⅠ 20 1.25 194 89
SHX20-1.60-AⅠ 20 1.6 204 89
SHX20-2.50-AⅠ 20 2.5 225 89
SHX25-1.25-AⅠ 25 1.25 194 89
SHX25-1.60-AⅠ 25 1.6 204 89
SHX25-2.50-AⅠ 25 2.5 225 89
SHX30-1.25-AⅠ 30 1.25 194 89
SHX30-1.60-AⅠ 30 1.6 204 89
SHX30-2.50-AⅠ 30 2.5 225 89
SHX35-1.25-AⅠ 35 1.25 194 89
SHX35-1.60-AⅠ 35 1.6 204 89
SHX35-2.50-AⅠ 35 2.5 225 89
SHX50-1.25-AⅠ 50 1.25 194 89
SHX50-1.60-AⅠ 50 1.6 204 89
SHX50-2.50-AⅠ 50 2.5 225 89
SHX65-1.25-AⅠ 65 1.25 194 89
SHX65-1.60-AⅠ 65 1.6 204 89
SHX65-2.50-AⅠ 65 2.5 225 89
SHX75-1.25-AⅠ 75 1.25 194 89
SHX75-1.60-AⅠ 75 1.6 204 89
SHX75-2.50-AⅠ 75 2.5 225 89


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