Industrial Coal Fired Boiler: Advanced Solutions by ZOZEN Boiler

Introduction to Industrial Coal Fired Boilers
An industrial coal fired boiler is a critical energy conversion system that generates steam or hot water through coal combustion, widely used in power plants, chemical processing, and heavy industries. Modern industrial coal fired boilers incorporate advanced water tube boiler design principles to achieve higher efficiency, better safety, and lower emissions compared to traditional fire tube models. These systems are particularly valued for their ability to handle high-pressure steam demands while maintaining fuel flexibility across various coal grades.
Key Features of Industrial Coal Fired Boilers
High Efficiency : Optimized combustion chambers and heat recovery systems maximize thermal transfer.
Fuel Flexibility: Compatible with bituminous, anthracite, and lignite coals.
High-Pressure Capacity: Suitable for industrial processes requiring high pressure steam output.

Part 2: ZOZEN’s Industrial Coal Fired Boiler Series & Features
ZOZEN Boiler specializes in high-performance industrial coal fired boilers . Our product range includes:
1.DHL Series (Corner Tube Chain Grate Boilers)
The corner tube boiler is a compact and efficient boiler that utilizes a pipe system as its skeleton. It features a fully enclosed membrane wall structure, flag tube design for the convective heating surface, and is widely used due to its compact structure and rapid temperature rise. It is a bulk-structured boiler.

Capacity: 20–75 t/h (steam)
Pressure: 1.25–5.4 MPa
Available fuel：Bituminous coal, lean coal, anthracite etc.
Available industries：Power generation, heating, chemical, food, rubber

Key Features:
Compact & Modular Design: Reduces installation time and space requirements.
Membrane Wall Construction: Enhances heat transfer and durability.
Automatic Coal Feeding: Ensures stable combustion with minimal manual intervention.
2.SZL Series (Double-Drum Chain Grate Boilers)
The SZL series coal-fired boiler is a chain grate water tube boiler designed by ZOZEN Boiler based on advanced international technology and experience. It features a horizontal double-drum and vertical layout structure. The boiler consists of two major parts: the upper part is the heating surface and the lower part is the combustion equipment. The front of the boiler body is surrounded by water-cooled walls. The upper part is connected with drum and the lower part is connected with the header to form the combustion chamber, absorbing the radiation heat of the furnace. At the rear end, a convection tube bundle is arranged between the upper and lower drums. After the fuel is burned in the furnace, the high-temperature flue gas is swept across the convection tube bundle for the secondary return, then guided to a separately arranged economizer and finally enters the dust collector before being discharged through the chimney.

Capacity: 6–35 t/h (steam)
Pressure: 1.0–2.5 MPa
Available fuel：Bituminous coal, lean coal, anthracite
Available industries：Heating, chemical, food, tobacco, textile, print and dyeing, feed, medicine, building materials, wine, hospital
Key Features:
Split Assembly: Facilitates easy transportation and installation.
Eco-Friendly Combustion: Integrated dust removal systems reduce particulate emissions.

3.DHX coal-fired CFB (circulating fluidized bed) steam boiler
CFBC technology is a new, efficient, and low-pollution clean coal method. This low-temperature combustion significantly reduces Nitrogen Oxide emissions and enables direct, high-efficiency desulfurization. Economically straightforward, CFBC lowers costs compared to other methods and accommodates various fuels, including low-calorific, low-quality coal. The resulting ash is reusable, eliminating secondary pollution. Moreover, CFBC supports wide load adjustments, operating down to about 30% of full load.
Thermal capacity：20-75 t/h
Working pressure：1.25-1.6 MPa
Outlet temperature：194-400 ℃
Available fuel：Coal, rock refuse, biomass, sludge
Available industries：Chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital

Key Features:
Low-temperature combustion reduces NOx formation
Fuel flexibility including coal slurry and biomass blends
Higher efficiency than conventional designs

All ZOZEN industrial coal fired boilers feature:
✔ Intelligent PLC control systems
✔ Energy-saving economizers
✔ Customizable design for specific coal types

Conclusion
ZOZEN’s industrial coal fired boilers with optimized design deliver unmatched performance for heavy industries requiring reliable, high-efficiency steam generation. Our solutions combine cutting-edge engineering with practical operational benefits, ensuring compliance with both performance and environmental requirements.
Why Choose ZOZEN?
✔ Industry-leading efficiency through advanced design
✔ Custom solutions for specific coal types and process requirements
✔ Comprehensive global support network
Contact ZOZEN today to discuss your industrial coal fired boiler needs with our experts.