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HomeProductsCoal-fired boilersDHL series coal-fired steam boiler

DHL series coal-fired steam boiler

Steam
Product thermal capacity: 20-75 t/h
Working pressure: 1.25-5.4 MPA
Outlet temperature: 184-485 ℃
Available fuel: Bituminous coal,biomass
Available industries: Power generation, heating, chemical, food, rubber
Introduction
 

DHL corner tube boiler is field assembled boiler, it uses a piping system as the frame of the entire boiler, and it bears the full load of the boiler, which makes a non-framework boiler. At the same time, this frame also serves as the down comer of the boiler and upper and lower headers. The boiler drum is an external type drum, the furnace is a fully enclosed membrane wall structure, the convective heat absorbing surface adopts the flag tube structure. The corner tube boiler has the advantages of compact structure, low steel consumption and rapid temperature increase. 

Technical advantages
 
Safe water circulation
  • The boiler adopts a unique water circulation structure; the drum is not heated and the heated water flows in one direction. In the event of power cut, the water does not vaporize in water system and the water circulation is safe and reliable.

Anti-seismic Structure
  • Corner tube boiler adopts non-framework structure, its body weight is supported by membrane wall and down comer, and all membrane walls are welded into one whole piece with good anti-seismicity.

Complete sealed structure
  • The boiler proper is surrounded by welded membrane wall, and the steel structure is completely sealed to prevent air leakage. The upper part of the boiler can be separately transported according to the size of the railway transportation limit. The excess air coefficient at the boiler tail is less than 1.2, which not only reduces the heat loss of the exhaust smoke and power consumption of the induced draft fan, but also greatly reduces the environmental pollution of the boiler house.

Show more
 
Zozen Boioer Co., Ltd. is one of the most powerful industrial boiler manufacturing enterprise in ChinaDHL series coal-fired steam boiler is energy conservation, low emissions, and thermal efficiency is higher than 80%, high level of automationThe structure of DHL series coal-fired steam boilerThe advantage of DHL series coal-fired steam boilerZozen Boiler is largest industrial boiler manufacturer, annual production scale exceeds 2000 sets of boilersZozen Boiler has the most automatical industrial boiler production line in China and a strict quality management system to ensure the qualityThe unique customized steam system solution of Zozen Boiler enables customers to achieve the maximum energy saving and lowest emission

 

Model

Rated thermal

power (t/h) 

Rated working

pressure (MPA)

 Steam

temperature (℃)

Design

efficiency (%)

DHL35-1.25-AⅡ351.2519482
DHL50-1.25-AⅡ501.2519482
DHL75-1.25-AⅡ751.2519482
ZZ-35/3.82-AⅡ353.8245082
ZZ-50/3.82-AⅡ503.8245082
ZZ-65/3.82-AⅡ653.8245082
ZZ-75/3.82-AⅡ753.8245082
ZZ-75/5.3-AⅡ755.348582
DHL series coal-fired steam boiler
DHL series coal-fired steam boiler
Product Thermal Power:20-75 t/h Working pressure:1.25-5.4 MPA
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If you want to learn more about our boilers、solutions & service please contact us now
  • 01
    Understanding you needs

    First, you can communicate with our professional boiler consultant through email, telephone, form or online chat.

    Here are some questions to know about you,eg:
    1. what are your energy types and energy saving requirements?
    2. the use of your boiler environment?
    3. what do you ask for the power of the boiler?
    4. what are you facing at the moment?

  • 02
    Make your solution

    Next, according to your needs and conditions of use, we will provide
    energy saving and reliable boiler system solutions.

    ——“ Let your boiler operate more efficiently and economically”

  • 03
    Keep your business on track

    We will regularly communicate with you to understand your boiler operation and guide according to your needs. If you have other needs, we will provide you with the first time. Include:

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