A company of Zambia purchased one set of 2 ton chain grate boiler from our company in 2010. It was a single-drum, water-fire tube, horizontal layout, packaged chain grate steam boiler, burning class II bituminous coal. The boiler has the advantages of convenient installation, short installation period and less basic construction investment.
Rated steam capacity：2t/h
Rated working pressure：1.0MPa
Rated steam temperature：184℃
Feed water temperature：20℃
Exhaust gas temperature：168.5℃
Exhaust gas excess air ratio：1.65
Design fuel：class II bituminous coal
The two sides of DZL2-1.0-AII coal steam boiler is equipped with water cooling wall, forming the boiler's furnace and convection gas flue and the inner boiler drum is equipped with single-return corrugated tube. The coverage rate of the front arch and back arch reach 77.3%, beneficial for combustion of fuel with low volatile matter. And large-size chain grate is adopted in order to realize automatic combustion. Packaged steam boiler has compact structure and small volume and leave the factory in packaged form. When the boiler arrives at the site, the boiler can start running just after the feeding machine, slag remover, valves, pipes are installed. In December 2014, we had a packaged 4 ton coal fired boiler to Korea.
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