ZOZEN is a steam boiler manufacturer in China.

DHL coal fired steam boiler

DHL coal fired steam boiler

Capacity:20-75 t/h

Pressure:1.25-5.4 MPA

Fuel:Bituminous coal, biomass

Temperature: 184-485 ℃

Applications: Power Generation, Heating, Chemicals, Food, Rubber

DHL coal fired steam boiler introduction

  The angle tube boiler uses a piping system as the skeleton of the entire boiler, and bears the full load of the boiler itself, so it also becomes a non-framework boiler. At the same time, this skeleton also serves as the down tube of the boiler and the upper and lower headers. The boiler drum is of an external type, the furnace is a fully enclosed membrane wall structure, the convective heating surface adopts the flag structure, and the angle tube boiler has the advantages of compact structure, low steel consumption, and rapid temperature increase, and thus is widely used. The boiler is a bulk structure.

DHL coal fired steam boiler parameters
  DHL35-1.25-M DHL50-1.25- DHL75-1.25-M ZZ-35/3.82-M
ZZ-65/3.82-M ZZ-75/3.82-M
Boiler capacity (t/h) 35 50 75 35 50 65 75 75
Working pressure(MPA) 1.25 1.25 1.25 3.82 3.82 3.82 3.82 5.3
Outlet temperature(℃) 194 194 194 450 450 450 450 485
Feed water temperature(℃) 105
Applicable coal Bituminous coal, biomass
Design efficiency% 89 89 89 89 89 91 91 91

Notice: As the company's products continue to improve parameters of the above products will be continuously updated page listed for reference only.


DHL coal fired steam boiler advantage

Water cycle safety: With a unique water circulation structure, the drum is free from heat and the heated water flows in a single direction. In the event of a power outage, the water system does not vaporize and the water cycle is safe and reliable.

Structural seismic: Angle tube boiler adopts no skeleton structure, body weight is supported by membrane water wall and down tube, and all membrane walls are welded together, and the shock resistance is good.

Fully sealed structure: All around the boiler body is made of welded membrane-type water-cooled walls, and the steel structure is completely sealed to prevent the occurrence of air leakage. The upper part of the boiler can be divided according to the size of the railway transportation limit. The excess air coefficient after the heating surface of the boiler tail is only less than 1.2, which not only reduces the heat loss of the exhaust fumes, reduces the power consumption of the induced draft fan, but also greatly reduces the environmental pollution of the boiler house.

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