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DZL Horizontal Coal Steam Boiler DZL Horizontal Coal Steam Boiler
DZL Horizontal Coal Steam Boiler DZL Horizontal Coal Steam Boiler
DZL Horizontal Coal Steam Boiler DZL Horizontal Coal Steam Boiler

DZL Horizontal Coal Steam Boiler

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  • DZL
  • 1t/h
  • 20t/h



1.The boiler adopts the latest research results,such as:arched tube plate,screw thread smoke tube,hot water boiler backwater ejection technology,solves the pot type boiler tube plate crack at the lower part of the drum,drum kits,water wall tube broken ,low  thermal efficiency,low output,poor adaptability of coal.

2.Combustion:fuel from coal scuttle fall  in front of the stove grate,during operation ,after coal  preheating and dry distillation,ignition,combustion,the slag drop  into the slag bucket,then been removed out furnace by by slagging machine at any time.Furnace arch uses herringbone arch,improving the conditions of ignition.Flue gas  forms vortex between the throat of  the front,rear arch  mixed with air.After combustion ,flue gas enters  the two wings flue,through the front smoke box into the thread smoke tube,then go through cast iron economizer(hot water boiler no need )dust collextor,finally discharged by lead fan to  chimney.

3.Boiler water circulation  progresses on natural circulation and ejection. The radiation heating surface is  left and right side cold water  wall  .The two wings of boiler furnace are main  convection heating surface.The thread smoke tube in boiler furnace are  convection heating surface.The boiler furance is seperated by  fold smoke wall-firebox and reburning chamber .Boiler main body is covered by  three-dimensional shape plate shell . 

coal gas steam boiler



The main technical parameters of DZL series coal fired steam boiler

Type DZL1 DZL2 DZL3 DZL4 DZL6 DZL8 DZL10
Project Unit
The rated capacity T/h 1 2 3 4 6 8 10
The rated steam pressure Mpa 0.7、1.0、1.25、1.6、2.5
The rated steam temperature(℃) 170、184、194、203、226
Feed temperature 20、60、105
Avaible fuel AⅡ
Design the thermal efficiency 80.2 80.1 80.3 80.6 80.3 80.5 80.6
The fuel consumption  Kg/h 181 378.4 493 723 1089 1509 1750
The  transport dimension
L*W*H(mm)
mm 5200*2100*3000 5525*2440*3400 6300*2650*3400 6081*2575*3400 8000*2900*3550 7526*3340*4300 8980*3200*3550
Boiler installation structure The  fast                                 The   assembly

According to customer order requirements,the company can provide customized products for specific power supply in the world.


production processing


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Address: No5, Nanyuan Road Economic Development Zone, Zhangjiagang
Tel: +86-512-5817 0166
Fax: +86-512-5869 8850
Email: manager@wilfordboiler.com
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WeChat: 136 0156 8070

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