DZL series hot water boiler is horizontal three-pass water-fire tube chain grate boiler. It uses fuel like coal and biomass pellets. The thread smoke tubes inside the drum form the convention heating surface while the drum and two-side water-cooled wall form the furnace radiation heating surface. Its boiler structure is compact. It can be packaged before shipment which can reduce the costs of basic boiler construction. Therefore, it is a kind of popular heating equipment among hotels, schools and hospitals.
