Part 1: Understanding Drum Boilers
Drum boilers are pivotal in industrial settings for their efficiency and reliability. These boilers feature a large cylindrical vessel where water and steam circulate, facilitating efficient heat transfer. When compared to once-through boilers, drum boilers offer distinct advantages.
Part 2: Overview of ZOZEN Drum Boilers
ZOZEN, a leading provider of boiler solutions, offers a range of drum boilers tailored to meet industry demands. Supported by ZOZEN’s advanced technology, our factory has many products, and here are a few examples.
The WNS series gas-fired (oil-fired) steam boiler by ZOZEN offers a thermal capacity of 1-20 t/h. These kind of drum boilers ensure fully automatic safe operation through Boiler IoT technology, remote control, and expert management. With a remarkable thermal efficiency of ≥98%, achieved via a corrugated furnace, threaded smoke tube, economizer, and condenser, energy savings are maximized. Maintenance is simplified by the advanced control system, enabling unattended operation. Eco-efficiency is a priority, with a low-nitrogen burner and combustion technology keeping NOx emissions below 30mg/Nm³. ZOZEN’s WNS series combines safety, high efficiency, easy maintenance, and eco-friendly operation in a compact and powerful package.

ZOZEN Drum Boilers
The DZL series coal-fired steam boiler by ZOZEN offers a thermal capacity of 2-10 t/h and boasts broad fuel compatibility, supporting bituminous coal, lean coal, anthracite, and more. With a thermal efficiency exceeding 80%, it utilizes threaded smoke tubes for optimal heat transfer. These kind of drum boilers ensure simple operation through advanced controls that automate fuel supply, ash removal, and slag discharge, streamlining processes and enhancing efficiency. Its compact structure allows for easy on-site installation, reducing installation time, infrastructure investment, and overall project cycle. The DZL series coal-fired steam boiler from ZOZEN combines versatility, efficiency, and ease of operation, making it an ideal choice for a range of industrial applications.
The SZL series biomass-fired steam boiler from ZOZEN features a thermal capacity of 6-35 t/h and offers broad fuel compatibility, accepting biomass pellets, rice husks, wood chips, corn cobs, sawdust, and more. With efficient fuel combustion, ZOZEN’s chain grate and independent air bin ensure thorough burning of diverse fuels. Achieving a thermal efficiency exceeding 86%, the boiler’s densely arranged water-cooled walls in the furnace provide a large radiation area for optimal heat transfer. Simple operation is facilitated through advanced controls that automate fuel supply, ash removal, and slag discharge, streamlining processes and enhancing overall efficiency. These kind of drum boilers by ZOZEN combine versatility, high efficiency, and user-friendly operation, making it an excellent choice for industries seeking sustainable and reliable heating solutions.
In addition to superior product features, ZOZEN’s strength lies in its comprehensive service system. The company’s commitment to quality, innovation, and customer satisfaction ensures that clients receive not just top-of-the-line equipment, but also reliable support throughout the entire lifecycle of their boiler systems.
In conclusion, drum boilers by ZOZEN offer a reliable and efficient solution for industrial and heating needs. With a focus on performance, sustainability, and customer service, ZOZEN continues to be a trusted partner for businesses seeking cutting-edge boiler technology.








