coal fired power plant heater

DZL series 1-20t/h coal /biomass fired steam boiler

1.Designed with horizontal, three passes, all-wet back structure.  

2.Fire tubes are surrounded by water, and these design making efficient up to 78%. 

3.Threaded tube: Strengthen the heat transfer, increase the oil steam boiler heat efficiency 

4.Big combustion room design: increase furnace heating area, decrease oil steam boiler size, and reduce the emission of the Nox Corrugated hearth make the oil steam boiler safer. 

Application of DZL series 1-20t/h coal /biomass fired steam boiler

Widely used in chemical industry, plastics industry, coatings and automotive industries, bitumen industry, construction equipment industry, shipbuilding industry, apparel clothing, washing, ironing, the pharmaceutical industry, biotechnology, food industry, sauna and beauty, hotels, restaurants, sports, fitness and other places where need energy.
Features of DZL series 1-20t/h coal/biomass fired steam boiler
·Horizontal three-pass central symmetry low level layout
·Full wet-back structure
·Corrugated furnace
·Full docking welded structure
·Front and rear smoke box double seal structure
·Furnace exit installation of blast doors
·Automatic intelligent control
DZL series 1-20t/h coal/biomass fired steam boiler controlling and safety systems

1. The controlling and safety systems are interlocked in an electric control cabinet (ECC).

2. The burning and security operation are controlled by ECC. It has the following basic functions :
Protection program of automatic ignition
Locking and protection program of operation
Protection program of extinction
Protection program of completion
Protection program of water pumps (pressure loss)
Protection program of ignition failure
Protection program of combustion engine malfunction
Protection program of combustion engine flameout
Protection program of gas leakage
3. Alarm system
Sound-light alarm of steam pressure and super-high steam pressure 
Sound-light alarm of high and low limit water level
Sound-light alarm of pressure loss in water pumps

DZL series 1-20t/h coal/biomass fired steam boiler working principle 

DZL series coal /biomass fired steam boiler technical parameter

Note: for this company is continuously developing technological parameters can be changed without notice,technical parameters shall prevail to drawings.

DZL series 1-20t/h steam boiler pictures

DZL series 1-20t/h steam boiler auxiliayy machinery :