Mongolia customers wanted to order one DZL4-1.25-AII boiler, work for their Animal feeding processing factory. Then they came to visit our factory, located in Xihua,zhoukou,in Henan. After one week, we signed the contract. 

DZL Coal Boiler Features: 

Automatic chain grate three pass fire-water tube boiler

1. It's the single drum longitudinal type horizontal three return fire and water tube boiler, left and right sides of the chamber of a stove or furnace water wall for radiation heating surface.Chamber of a stove or furnace flanks and threaded pipe for convection heating surface. 

2. The series of boiler using arched tube plate, two wings flue, spirally corrugated tube,etc.New technology, to solve the issues like pot shell boiler tube plate cracking, bottom of boiler barrel bulge, water wall tube, thermal efficiency is low, the output is insufficient, the difference of coal quality adaptability, and so on.