ZOZEN’s Circulated Fluidized Bed Boiler: Efficiency and Sustainability

May 16, 2024

Circulated fluidized bed boiler refers to boiler equipment that adopts fluidized combustion method for fuel. Its structure includes two parts: combustion chamber and circulating furnace. As a leading supplier of circulated fluidized bed boilers, ZOZEN offers a range of products that excel in performance and versatility. These boilers exhibit high combustion efficiency, wide fuel adaptability, low pollutant emissions, and stable controllability.

ZOZEN’s product line includes four series of circulated fluidized bed boilers: the SHX series steam boilers, SHX series hot water boilers, DHX series steam boilers, and QXX series hot water boilers. These boilers are designed to accommodate various fuels such as coal, gangue, biomass, waste, and sludge, making them particularly suitable for biomass and low-quality coal applications. Let’s explore some of the key features of ZOZEN’s circulated fluidized bed boiler series:

SHX Series Steam Circulated Fluidized Bed Boiler:

  • Thermal capacity: 10 – 100 t/h
  • Operating pressure: 1.25 – 2.5 MPa
  • Operating temperature: 194 – 225℃
  • Large furnace design and low flow velocity to reduce wear
  • Hooded air distributor for uniform air distribution and prevention of material backflow
  • Unique air chamber design allows for both top and bottom ignition options

SHX Series Hot Water Circulated Fluidized Bed Boiler:

  • Capacity: 7 – 58 MW
  • Operating pressure: 1 – 1.6 MPa
  • Operating temperature: 130/70℃, 115/70℃
  • Multiple convective heat exchange surfaces and ash blowers to prevent ash accumulation
  • Advanced control system for automated fuel supply, ash removal, and slag discharge operations

DHX Series Steam Circulated Fluidized Bed Boiler:

  • Thermal capacity: 35 – 100 t/h
  • Operating pressure: 1.25 – 5.3 MPa
  • Operating temperature: 194 – 485℃
  • Equipped with serpentine-shaped economizers to increase heat absorption and boiler efficiency
  • High-temperature cyclone separator for efficient separation (≥98%) and improved combustion efficiency
  • Well-designed return pipes and valves to ensure smooth circulation and prevent blockage or disturbance

QXX Series Hot Water Circulated Fluidized Bed Boiler:

  • Capacity: 58 – 116 MW
  • Operating pressure: 1.25 – 1.6 MPa
  • Operating temperature: 150/130℃, 90/70℃
  • Air preheater for enhanced furnace air temperature, reduced flue gas temperature, and improved boiler efficiency
  • Excellent environmental performance with low sulfur and nitrogen oxide emissions (NOx ≤ 100 mg/Nm³)
  • Customizable boiler systems for tailored feed, slag discharge, and flue gas treatment solutions
Circulated fluidized bed boiler
Circulated fluidized bed boiler case

One satisfied customer in the construction materials industry shared their experience with a 40-ton DHX series biomass circulated fluidized bed boiler provided by ZOZEN. Energy efficiency and environmental friendliness are major concerns in this industry, and circulated fluidized bed combustion technology offers several advantages. ZOZEN’s DHX series biomass boiler, with its low-temperature combustion control technology and simple dust removal and denitrification methods, meets ultra-low emission requirements at a low cost. The customer praised ZOZEN for its high energy efficiency, outstanding environmental performance, and compliance with environmental policies. They also appreciated the professionalism and attentive service of the ZOZEN team, making the collaboration a pleasant experience.

ZOZEN ensures product quality through the implementation of advanced production equipment and proprietary manufacturing processes. With state-of-the-art automated production lines and patented technologies for material handling, welding, and assembly, ZOZEN guarantees the highest standards at every stage. Each ZOZEN boiler is a testament to meticulous craftsmanship and unwavering commitment to quality.

Choose ZOZEN’s circulated fluidized bed boilers for enhanced efficiency, reduced emissions, and a sustainable future. Experience the excellence of ZOZEN’s products and join the ranks of satisfied customers who have made their operations more energy-efficient and environmentally friendly.


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