wood charcoal steam boiler, ZOZEN hot water boiler guarantees clean heating


The SZL series biomass-fired chain grate boiler is safe and efficient with a capacity of 4-35 tph (hot water boiler: 2.8-29MW) and a thermal efficiency of over 88%. By extending the furnace arch, increasing the furnace height and adjusting the width and length of grate, ZOZEN takes the lead in solving the problems that easily occur in biomass-fired boilers such as furnace arch collapse, furnace door burnout, hopper tempering and tube wall coking. It has the characteristics of wide fuel adaptability, small covering area, convenient installation and high thermal efficiency.
In the production process of starch from cassava as raw material, the steps of bleaching, concentration, dehydration, and drying all need the support of heat provided by steam boilers. General Starch CO.,LTD is one of Thailand's leading modified tapioca starch manufacturers, it selected ZOZEN SZS series condensing gas-fired steam boilers, which feature high efficiency, eco-friendly and energy-saving. The chamber is larger so that the radiation heating surface is more sufficient to improve the heat efficiency to 98%. And the automatic operation makes the boilers easy and safe to operate.
ZOZEN boilers adopt the ultra-low nitrogen burner with flue gas recirculation method to realize low NOx emission. Adding flue gas to the combustion air to reduce the oxygen content in the combustion air and lower the flame temperature at the combustion center, so as to greatly reduce the generation of NOx. At the same time, superimposed use of world advanced technologies such as staged combustion of ultra-low nitrogen burner and internal flue gas circulation realizes the stable and low emission of NOx.
At present, the blanking rate of ZOZEN's sheet metal has reached more than 80%, and a large-scale welding and assembly process revolution has been performed. Mechanical automatic welding is used to realize the assembly mold, and gradually reduce the traditional processing methods of scribing assembly and eliminating scribing errors. Meanwhile, the company's use of advanced measurement and testing equipment also provides a strong guarantee for manufacturing high-quality products, wood charcoal steam boiler.
ZOZEN has proved its competitive advantage with its high product quality. In the future, ZOZEN will spend more time and energy on the innovation of gas-fired boilers, and capture more market share.
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Against the backdrop of accelerated global carbon reduction and increasingly stringent safety and environmental supervision, internationally recognized compliance qualifications have become an important foundation for industrial equipment manufacturers to expand into overseas markets. With ASME (American Society of Mechanical Engineers) certification as a core cornerstone, ZOZEN Boiler continues to advance the international upgrade of product compliance and engineering service capabilities, driv...13 Jan 2026 -
On January 6, Wuxi ZOZEN Boiler Co., Ltd. held its 2026 Annual Conference and the 2025 Commendation Ceremony for Advanced Teams and Outstanding Employees under the theme “United to Set Out — Uphold Integrity, Advance with Intelligence.” General Manager Zhang Guoping gathered with all employees to review the company’s journey, honor annual contributions, and chart the path forward. Looking back: Steady progress through perseverance and breakthroughsThe conference opened w...07 Jan 2026 -
In 2025, ZOZEN Boiler is leveraging a series of international exhibitions to continue cultivating overseas markets. From Asia’s Pakistan Textile Expo to Europe’s Russian HVAC and Boiler Exhibition and Industrial Boiler & Heat Exchange Exhibition, and onward to Serbia’s TOPS Scientific Seminar, ZOZEN showcased its high-efficiency, eco-friendly boiler products and customized energy solutions to global customers—demonstrating strong technological capability and market co...30 Dec 2025
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