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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Coal Fired Steam Hot Water Boiler Drum In Thermal Power Plant Natural Circulation

Zhangjiagang HuaDong Boiler Co., Ltd.
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Coal Fired Steam Hot Water Boiler Drum In Thermal Power Plant Natural Circulation

Brand Name : HD Boiler
Model Number : Steam drum
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : China
MOQ : 1 set
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 400 Tons per month
Delivery Time : 50~100 Days
Packaging Details : Seaworthy Packing
Condition : New
Type : Natural Circulation / Once Through
Pressure : Low / Intermediate / High Pressure
Output : Hot Water / Steam
Dimension : Customization
Usage : Industry/Power Station
Thickness : 10mm - 100mm
Origin : China
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Modern Marine thermal insulation hot water boiler drum TUV certification Metallurgical Industry


Description


The steam drum is the primary interface between water and steam. In a coal-fired plant, boiler feedwater passes through the economizer and into the drum where the steam separates from the feedwater and is drawn off to the superheater.Maintaining constant liquid level in the upper part of the steam drum is necessary to provide the proper quality of steam. Instrumentation must withstand high temperatures and pressures.


Steam-water separation details


Primary steam-water separation removes nearly all the steam from the water so that very little steam is recirculated from the drum bottom towards the heated tubes through the outlet connection (downcomer).

At secondary separation, steam is passed through a secondary stage of separators or scrubber elements (usually closely spaced corrugated parallel plates) for final water droplet removal. Steam is then exhausted through various ports.


Accessories


The main components in a boiler system are the boiler feedwater heaters, deaerator, boiler, feed pump, economizer, boiler, superheater, attemperator, steam system, condenser and the condensate pump. In addition there are sets of controls to monitor water and steam flow, fuel flow, airflow and chemical treatment additions.



Classification


PressureLowMiddleHighSuperhigh
Inner diameter(mm)

800-1200

1400-1600

1600-1800

1600-1800
Thickness(mm)16-2532-4660-10080-100
MaterialCarbon steelCarbon steel & Alloy steelCarbon steel & Alloy steelAlloy steel

Certificate



Company Introduction


Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.

1. Fabrication area of 200,000 square meters

2. 150 Engineers

3. 600 Coded welders

4. 60 Licensed Inspectors(NDT Level-III instructors)

5. Class-A Licenses for Design and Manufacture Boiler

6. ISO 9001:2008 Quality System

7. ASME Certificate of Power Boilers

8. ASME 'S','U' and NB stamp authorization


Design and Manufacturing capacity


1. Two automatic coiler production lines

2. Hot bending to minimum bending radius 0.6D

3. Membrane wall tube bending , with horizontal and vertical panel bending machines

4. Panel fabrication for up to for 1000MW power plant boilers

5. Fabrication of CFB Boiler Cyclone Separators

6. Fabrication of Header to Chinese standards(GB), US standards (ASME), or EU standard (EN)

7. Broad range of heat treatment equipment including 10 furnaces, offering normalizing and tempering




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