The Zhengguo SZL Series chain grate boiler is a compact, high‑efficiency water‑tube boiler with flexible fuel options and integrated monitoring.
The SZL series chain grate boiler, developed by Zhengguo, combines water‑tube assembly with large chain grate and membrane water‑cooled wall technology. This design delivers high efficiency, strong overload capacity, and the ability to burn a wide range of fuels, including various biomass and coal types.
The boiler features a compact structure, simple installation, and a comprehensive monitoring system that continuously tracks water level and steam pressure. It is suited for power‑plant generation, city heating, and large‑scale centralized heating applications, and is supported by a nationwide service network offering spare parts and technical assistance. This manual is written in Chinese.
| Boiler capacity | 4.2–17.5 MW |
|---|---|
| Design thermal efficiency | 76–82 % |
It combines water‑tube assembly with large chain grate and membrane water‑cooled wall technology, providing high efficiency and flexible fuel use.
The boiler is equipped with a monitoring system that continuously monitors water level and steam pressure for safe and reliable operation.
It is used for power‑plant generation, city heating, and large‑scale centralized heating projects.