In today’s industrial landscape, energy efficiency and environmental sustainability are two of the most critical factors influencing investment decisions. Among the many technologies available to industrial manufacturers, the biomass boiler system has gained significant attention due to its ability to convert renewable biomass resources into reliable thermal energy. By using agricultural residues, forestry by-products, and other biomass fuels, these systems not only help enterprises reduce their dependency on fossil fuels but also contribute to waste reduction and carbon emission control.

As one of the leading industrial boiler manufacturers in Asia, ZOZEN Boiler has established itself as a trusted supplier of advanced biomass boiler systems. Among its wide product portfolio, the DZL series single-drum biomass steam boiler stands out for its technical innovations, adaptability to different fuels, and long-term operating stability.

DZL Biomass Boiler System: Parameters, Technology, and Advantages

The DZL series single-drum biomass steam boiler from ZOZEN is a horizontal water-fire tube chain grate boiler, designed specifically to handle various types of biomass fuels such as rice husks, wood chips, corn stalks, and sawdust pellets. Its structure and technical features reflect ZOZEN’s commitment to combining efficiency, durability, and environmental performance.

From a technical perspective, the boiler operates with an evaporation capacity ranging from 2 tons per hour up to more than 10 tons per hour, depending on the specific configuration. The working pressure typically reaches 1.0 to 2.5 MPa, ensuring sufficient steam output for diverse industrial applications. The thermal efficiency of the DZL biomass boiler system is usually higher than traditional chain grate boilers in the same category, which directly translates to significant fuel savings and reduced operational costs.

ZOZEN 4 ton DZL biomass-fired boiler

One of the most notable design advantages of the DZL biomass boiler system lies in its heat transfer surface. The furnace is equipped with a large-volume drum, which works in combination with threaded smoke tubes to form an efficient convection heating surface. At the same time, the furnace walls are constructed with membrane-type water walls that create a reliable radiant heating surface. This dual design maximizes heat absorption and ensures that combustion heat is thoroughly transferred to the water-steam system.

Another highlight of the DZL boiler system is its adaptability to different fuel characteristics. Biomass fuels vary widely in calorific value, ash content, and moisture level. To address this challenge, ZOZEN engineers carefully optimized the design of the fuel hopper, chain grate length and width, and air distribution system. The boiler adopts a staged combustion system with primary and secondary air inlets, allowing precise air distribution based on the combustion stage. This not only improves combustion efficiency but also reduces unburned carbon loss, ensuring stable boiler operation even when using mixed fuels such as rice husk blended with coal.

Maintenance and long-term operation are also taken into account in the DZL biomass boiler system. Traditional biomass boilers often face issues such as ash deposition, slagging, and hopper burning, which reduce efficiency and shorten service life. ZOZEN’s solution includes an increased furnace height, faster grate movement, and the installation of soot blowers in the convection section. Moreover, an automatic hydraulic ash removal system is placed at the grate bottom, enabling continuous cleaning without interrupting boiler operation. These features extend the boiler’s running cycle and ensure reliability during intensive industrial production.

Biomass Boiler System in the Edible Mushroom Industry

The versatility of the biomass boiler system is well illustrated by a project completed by ZOZEN Boiler for a customer in the agricultural processing sector. This company specializes in the cultivation and processing of edible fungi, particularly black fungus and mushrooms. Within its production line, one of the most critical stages is the sterilization of mushroom sticks. This process requires a stable supply of high-quality steam to ensure thorough sterilization, prevent contamination, and maintain the high yield and quality of the final product.

As production capacity expanded, the company needed a boiler system that was not only efficient and reliable but also aligned with its commitment to environmental sustainability. After a detailed consultation and technical evaluation, ZOZEN recommended the DZL series single-drum biomass steam boiler to meet the company’s unique production needs.

The biomass boiler system supplied was specifically configured to handle agricultural residues available locally, such as wood chips and crop stalks. To maximize combustion efficiency, ZOZEN engineers optimized the air distribution system, ensuring the perfect balance between primary and secondary airflows. In addition, the fuel hopper and grate were designed to suit the low bulk density of biomass fuels, preventing common issues such as fuel blockage and incomplete combustion.

To further improve operational performance, the boiler was equipped with an automatic soot blowing device and hydraulic ash cleaning system. This design eliminated frequent shutdowns for manual cleaning, ensuring uninterrupted operation throughout the busy production season. The company also benefited from the boiler’s advanced emission control system, which included multi-stage dust removal technology to meet regional environmental regulations.

After installation, the boiler quickly became the backbone of the customer’s sterilization line. With its stable steam supply, the company was able to achieve consistent product quality and improve overall productivity. Moreover, by switching from fossil fuel boilers to a biomass boiler system, the company significantly reduced its fuel costs and carbon footprint, aligning with broader goals of sustainable agricultural development.

Conclusion: Why Choose ZOZEN Biomass Boiler Systems

The example above demonstrates how a well-designed biomass boiler system can create real value for enterprises by combining economic benefits with environmental responsibility. In the case of ZOZEN Boiler, years of experience in boiler design and manufacturing have resulted in systems that are not only technically advanced but also tailored to the specific needs of each customer.

The DZL series single-drum biomass steam boiler embodies this expertise. Its robust structure, optimized heat transfer surfaces, flexible fuel adaptability, and reliable emission control features make it an ideal solution for industries seeking long-term performance. Beyond the product itself, ZOZEN provides customers with a full-service approach, from technical consultation and system design to installation guidance and after-sales maintenance. A team of skilled engineers ensures that each boiler operates at peak efficiency throughout its service life.

For enterprises in food processing, agriculture, pharmaceuticals, textiles, or other sectors requiring continuous and efficient steam supply, choosing a ZOZEN biomass boiler system means gaining a dependable energy partner. With global references and proven case studies, ZOZEN continues to expand its footprint in international markets, providing sustainable and cost-effective solutions to industries worldwide.