The boiler adopts an environmentally friendly combustion method - full premixed combustion, and the gas and air are precisely adjusted and premixed in advance to ensure more complete combustion.
The boiler adopts a double-drum longitudinal "D" type arrangement structure; water, steam or steam-water mixture flows in the pipe; flame burns and flue gas flows outside the pipe, forming extremely fast steam-water.
· or are carried out at regular intervals due to following reasons: are to maintain the class requirement Regular and external exarninations during such survey constitute the preventive maintenance schedulethe goes through to have a safe working condition
Construction: A steam and drum: this is the main part of the It is supported by a steel structure at a certain height and is independent of brickworks The size of the drum is small as compared with the drum of a fire- of the same capacity
15 to 200 HP Packaged 15 psi Steam or 80 psi 3-pass firetube operates at high efficiencies due to effective heat transfer across all heating surfaces Submerged combustion chamber improves circulation and adds to direct heating surface
In a scotch the furnace is a large diameter within the surrounded by Some older large scotch had two or three furnaces but modern typically have only one Scotch may be two-pass three-pass or four-pass depending upon the arrangement of baffles and
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