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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Boiler Steam Economizer Low Loss Headers Collector , Power Plant Distributor Pipes Boiler Parts

Zhangjiagang HuaDong Boiler Co., Ltd.
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Boiler Steam Economizer Low Loss Headers Collector , Power Plant Distributor Pipes Boiler Parts

Brand Name : HD BOILER
Model Number : Collector & Distributor Pipes
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : China
MOQ : 1 Set / Sets 10tons
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 800 Tons / Year
Delivery Time : 50 Days
Packaging Details : Iron Frame Package
Condition : New
Usage : Industry, Power Station
Pressure : High/Low Pressure
Type : Pressure Part
Dimension : Customization
Weight : 10~1000 tons
Output : Hot Water / Steam
Port : Shanghai
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Boiler Component parts economizer headers collector and distributor pipes Power Plant


Product Description


Headers are as big pipes that transfer water from the downcomers to the risers through a combustion zone where the water gets partially heated to steam from the heat of fuel combustion.The headers of boilers include water-cooling hinders of boilers proper, economizer hinders, superheater hinders, etc. They function for gathering, mixing and redistribution in boiler systems. In structure, they include end cover hinders or necking hinders.


Product process

In manufacturing, the key of end cover hinder is welding. Since by manual arc welding, the weld joint is single-side welding without quality guarantee at the ends. In addition, due to large welding workload, frequent return for repair and long working period, it became the throat process of the whole hinder production. When making hinders of the style, we adopt advanced production technique, complete large equipment and mature technology, especially automatic submerged arc welding between hinders and end covers. Such welding methods have high manufacturing efficiency, good quality, beautiful welding shape, safety, reliability, etc.


Test standard


JB/T3375 Boiler Material Instocking Acceptance Rules.
JB/T1610Technical Conditions of Boiler Hinders Manufacturing.
JB/T1613Technical Conditions of Boiler Pressure Parts Welding.
JB/T1612Technical Conditions of Boiler Water Pressure Test.


Product Category


The boiler headers have water wall header,superheater header,economizer header and so on. It acts action of gathering, mixing and redistribution in boiler systems. In structure, they include end cover hinders or necking hinders.


Construction


Header construction is basically a miniature version of a simple steam drum (diameters are smaller than the ones of steam drums). However, in headers there are usually no internals except the orifices in forced circulation and once-through principle boilers. Small diameter headers are constructed from a tube with welded front and end plates, whereas the big headers are made of bent steel plates in the same way as steam drums.


Quality Control


1. Impact test and Strength calculation report with applied materials information.

2. 100%NDT(non-destructive inspection) report of steel plate, tube and electrode.

3. X-ray, γ-ray and liquid penetrant test inspection report to ensure the quality of the entire boiler.

4. Hydraulic test report: ensure the standard working pressure and safety.

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.



Product Tags:

headers and manifolds

      

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