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The CFB Hot Water Boiler developed by Taiyuan Boiler Group is a purpose-built heating boiler designed specifically for the district heating demands of northern cities and towns. With rated heating capacity spanning 58 MW to 168 MW corresponding to approximately 80 to 240 t/h equivalent steam capacity, this CFB hot water boiler delivers supply water temperatures up to 130 degrees Celsius with return water temperatures of 70 to 90 degrees Celsius. The CFB hot water boiler fully leverages the inherent advantages of circulating fluidized bed combustion technology including exceptional fuel adaptability and high combustion efficiency, making it the optimal hot water boiler solution for utilizing locally available low-cost fuels such as coal gangue, washed middling coal, and biomass briquettes, substantially reducing heating operational costs. Each CFB hot water boiler is tailored to the specific district heating network characteristics and seasonal load profile of its installation site.
The CFB Hot Water Boiler developed by Taiyuan Boiler Group is a purpose-built heating boiler designed specifically for the district heating demands of northern cities and towns. With rated heating capacity spanning 58 MW to 168 MW corresponding to approximately 80 to 240 t/h equivalent steam capacity, this CFB hot water boiler delivers supply water temperatures up to 130 degrees Celsius with return water temperatures of 70 to 90 degrees Celsius. The CFB hot water boiler fully leverages the inherent advantages of circulating fluidized bed combustion technology including exceptional fuel adaptability and high combustion efficiency, making it the optimal hot water boiler solution for utilizing locally available low-cost fuels such as coal gangue, washed middling coal, and biomass briquettes, substantially reducing heating operational costs. Each CFB hot water boiler is tailored to the specific district heating network characteristics and seasonal load profile of its installation site.
The design philosophy of the CFB hot water boiler is to bring the reliability and fuel flexibility of utility-scale circulating fluidized bed technology to the district heating sector. Unlike conventional hot water boiler designs that are limited to high-quality coal or natural gas, the CFB hot water boiler is engineered to accept a wide range of fuels while maintaining stable supply water temperatures across long heating seasons. The hot water boiler furnace and convection pass are optimized for the lower temperature and pressure conditions of district heating, while retaining the robust circulating fluidized bed combustion environment that enables clean and efficient fuel conversion. The CFB hot water boiler design emphasizes seasonal part-load efficiency, because most district heating systems operate below peak capacity for the majority of the heating season. This design focus makes the hot water boiler exceptionally economical over its annual operating cycle.
The CFB hot water boiler features an optimized circulation loop design with rationally arranged heating surfaces that improve heat transfer efficiency by 8% compared to conventional hot water boiler designs. The circulating fluidized bed combustion system within the CFB hot water boiler ensures uniform temperature distribution and stable combustion across all load conditions. Each CFB hot water boiler unit is engineered for the specific heating load profile and network characteristics of its intended application, ensuring optimal seasonal performance throughout the entire heating season. The CFB hot water boiler can deliver supply water temperatures up to 130 degrees Celsius, making it suitable for long-distance transmission heating networks that require large temperature differentials between supply and return water. This high-temperature capability of the hot water boiler enables heat transport over distances exceeding 20 kilometers with minimal thermal losses.
The CFB hot water boiler demonstrates excellent variable-load performance, capable of smooth output regulation between 40% and 100% of rated capacity. As outdoor temperatures fluctuate throughout the heating season, the CFB hot water boiler automatically adjusts its output to match the varying heat demand, maintaining stable supply water temperatures and network pressures. The hot water boiler accepts a wide range of fuel types including Class II bituminous coal, lean coal, and various biomass fuels. The CFB hot water boiler combustion environment ensures clean and complete combustion regardless of fuel type, allowing heating operators to select the most economical fuel source available locally. This fuel versatility of the hot water boiler provides a critical cost advantage, particularly in regions where fuel prices fluctuate seasonally. The district heating utility benefits from both stable service and reduced fuel procurement risk.
The CFB hot water boiler is installed using a proven methodology that minimizes disruption to existing heating networks. The hot water boiler modules are designed for compatibility with standard civil foundations and pipe connections commonly found in municipal heating plants. During commissioning, the CFB hot water boiler undergoes hydraulic tests, circulation verification, fuel ignition, and network integration tests to confirm safe and reliable operation. The district heating integration team ensures the CFB hot water boiler communicates properly with network pumps, valves, and heat exchange stations. Operator training covers the unique aspects of circulating fluidized bed hot water boiler operation, including bed temperature management, fuel switching, and seasonal load following. The structured installation and commissioning process enables the CFB hot water boiler to begin serving district heating customers on schedule.
The CFB hot water boiler is ideally suited for northern city centralized heating plants, county and township centralized heating stations, large residential community independent heating systems, and industrial park winter heating applications. Multiple prefecture-level cities in northern China have selected the CFB hot water boiler to replace traditional chain-grate boilers in heating plant renovation projects. Following retrofit with the CFB hot water boiler, heating efficiency improved by over 10%, pollutant emissions decreased by more than 50%, and fuel cost savings exceeded tens of millions of yuan per heating season. The proven performance of the CFB hot water boiler in these demanding district heating applications establishes it as the leading circulating fluidized bed hot water boiler for large-scale urban heating networks. The hot water boiler success in these projects demonstrates its suitability for clean heating transformation at scale.
The CFB hot water boiler is manufactured in full compliance with applicable heating boiler standards and environmental regulations. The hot water boiler satisfies GB/T 3166 hot water boiler parameter series, JB/T 7985 industrial boiler technical conditions, and local clean heating emission standards. The CFB hot water boiler emission performance meets the stringent limits for SO2, NOx, and particulate matter required in many urban district heating applications, thanks to the intrinsic advantages of circulating fluidized bed combustion. Inspection and testing of the hot water boiler include hydrostatic tests, thermal performance verification, and safety interlock validation. By meeting these standards, the CFB hot water boiler provides municipal heating operators with certified, efficient, and environmentally compliant district heating equipment.
Taiyuan Boiler Group Co., Ltd., established in 1958 and headquartered in Taiyuan, Shanxi Province, China, is a nationally designated Class A boiler and environmental protection equipment manufacturing enterprise. The company holds the National Class A Boiler Manufacturing License, D1/D2 Pressure Vessel Design License, A1/A2 Pressure Vessel Manufacturing License, ASME "S" and "U" Code Stamp Authorizations, and has been certified under the ISO 9001 International Quality Management System. In strategic partnership with Tsinghua University, the company co-founded the Low-Carbon Energy Technology Research Institute, and has led the research and development of Circulating Fluidized Bed (CFB) boiler technology for decades, establishing a complete product spectrum ranging from 35 t/h to 1,000 t/h.
Taiyuan Boiler Group, with over 30 years of deep industry engagement and technological accumulation, has obtained the most comprehensive qualification certifications in the boiler manufacturing industry:
√ National Class A Boiler Manufacturing License (Highest Grade)
√ A1, A2 Class Pressure Vessel Manufacturing License
√ D1, D2 Class Pressure Vessel Design License
√ ASME "S" (Power Boiler) and "U" (Pressure Vessel) Code Stamp Authorization
√ ISO 9001 International Quality Management System Certification
Tsinghua University — Taiyuan Boiler Group Low-Carbon Energy Technology Research Institute (Jointly Established)
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