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Circulating Fluidized Bed Combustion (CFB) Boiler

  • CFB
  • EPCB
  • 8402111000

I. Production Description:

Circulating fluidized bed is of low-temperature combustion, therefore, nitrogen oxides emissions of such boiler is much lower than that of coal-powder boiler, and such boiler could directly desulfurized during combustion process. Circulating fluidized bed boiler with high desulfurization rate is economical. 

Circulating fluidized bed boiler could adopt various coal types and has high combustion efficiency, which is especially suitable for low quality, low calorific value coal. 

The ash of circulating fluidized bed boiler is of high activity, thus it is easy to realized comprehensive utilization without secondary pollution. 

Circulating fluidized bed boiler could adjust its load in a wide range. Lowest load can be reduced t 30% of full capacity.

II. Brief introduction of strength: 

1. Quality: 

A grade boiler A1, A2 grade pressure vessel manufacturing company. All products have passed ISO9001: 2008 & ASME International Quality Management System Certification, also can provide CE, AS, ASME, GB certification. 

2. Management: 

In order to ensure the quality, we strictly monitor the comprehensive quality system from raw material procurement & re-testing & process to storage. All the steels and pipes are purchased from developed countries & the well-known large domestic enterprises. 

3. Welding: 

Welding mainly uses advanced automatic welding, gas protected welding, TIG welding. Drum and other main pressure parts adopt CNC automatic welding, all of the welding 100% passed penetrant inspection. 

4. Market: 

Our products have been exported to more than 40 countries, such as Australia, USA, Japan, Canada, Russia, Thailand, Mexico, Cyprus, Pakistan, Angola, Mongolia, etc. 
And supply parts for many Power Plant Projects. 

Circulating Fluidized Bed boiler technique parameter
Item\Model EPG-35/3.82-A 
Rated capacity t/h 35 75 130 220
Rated working pressure MPa 3.82/5.3 3.82/5.3 3.82/5.3 9.81
Rated steam temperature  450/500 450/500 450/500 540
Rated feed water temperature  150 150 150 215
Boiler heated area  radiation heating surface 188 380.3 777.39 858
Mixes-heating surface - - - 242
Superheater 345.5 633 1089.5 2840
Economizer 663 1448 2721.98 4303
Air preheater 746 1743 2514.5 8746
Fluidized bed area  4.43 7.7 15.2 24.556
Available coal  Soft coal, Lean coal, Anthracite
Design thermal efficiency % 88.3 90 90 89.2
Available size of coal mm ≤10 ≤10 ≤8 0~10
Grain size of desulfurizer mm ≤2 ≤2 ≤1.5 0~1.5
Desulfurization efficiency % ≥80 ≥80 ≥90 ≥90
Ca/S Ratio 2.5 2.5 2.5 2.5
Hot air temperature (primary/secondary air)  130/120 145/135 207/201 231/235
Exhaust smoke temperature  150 150 ~140 135
Transportation weight of Max. parts (kg) 10488 15538 18485 61718
Outside dimension of after-installed (LxWxH) m 2.7x9.2x14.9 33.85x12x16.25 43.2x11.85x20.93 24.7x23x48.9
Notes: This form only for your reference, if any changed, please refer to factory technical documents.

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 Fax: +86-532-66717006
 E-mail: sale@cn-eastpower.com
 Add: No. 5, Gaoping Road, Qingdao, Shandong, China (Factory) 
 Add: No. 39 Shiling Road, Laoshan District, Qingdao, Shandong, China (Office)


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