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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Force Resistant Steel Boiler Economizer Spiral Fin Tubes For Hot Water Boiler

Zhangjiagang HuaDong Boiler Co., Ltd.
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Force Resistant Steel Boiler Economizer Spiral Fin Tubes For Hot Water Boiler

Brand Name : HD Boiler
Model Number : Economizer
Certification : ISO9001 ASME GradeA SGS EN TUV
Place of Origin : China
MOQ : 1 set
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 500 Tons/Month
Delivery Time : 30 Days
Packaging Details : Seaworthy Packing
Model : Boiler part
Structure : Fire/Water Tube
Type : Energy Saving
Fuel : Coal/Gas/Coal-fire/Water heat
Specification : Customized
Surface Treat : Painted
Port : Shanghai
Trademark : HDB
HS Code : 3215960855
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Best impact force resistant and work reliability boiler economizer spiral fin tubes


Specification:

Best impact force resistant and work reliability boiler economizer spiral fin tube is the most widely used of the spiral finned tube, widely used in electric power, metallurgy, cement industry preheating collection and petrochemical industries. Boiler economizer spiral fin tube is welded steel strip coil pipe at the same time, using high-frequency currents of the skin effect and proximity effect of steel tube, and surface heat until melted in the plastic state or steel strip coil, the complete welding under certain pressure. This kind of high frequency welding as a solidphase welding. It with Mosaic, brazing (or whole galvanized) method, whether in product quality (fin of weld rate is high, of 95%), or the productivity and automation degree, are more advanced.


Introduction:

1. Add the heat exchange area and reduce the number of tubes, also increase the fume flow section area to reduce the fume speed and abrasion.

2. H type fin economizer arranged in line to make the space into many small zones, averaged air flow to reduce the abrasion.

3. With straight channel to gain the best ash-blowing effect.

4. The compact structure to reduce the weight and reduce the manufacturing cost.


Technical Parameter

DescriptionHeat boiler economizer, steam boiler economizer, oil boiler economizer, coal steam boiler economizer, Gas boiler economizer,etc
MaterialAlloy steel, Carbon steel, SA210C ,SA213T22, etc.
Material standardASTM, EN or ISO etc.
DimensionCustomization
Weight

Min: 10 ton

Max.:1000 ton

Smelting ProcessEF+LF + VD
ProcessMaterial→Ingot → Hot/Cold-Rolling→ Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2nd Heat treatment →finishing machining →Inspection
UT standardASTM A388 or EN10228, etc


Quality Control:

1. Strength calculation report with applied materials information;

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

3. 100%X-ray inspection report (welding seam): 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), is a

professional industrial manufacturer, producing utility boiler,industrial boiler,HRSG boiler and all

kinds of boiler parts, such as waterwall panels, economizers, air preheaters, superheaters,

headers, spiral fin tubes, H-fin tubes, heat pipes etc.

We are the qualified supplier for the following large boiler manufacturers in China:

  • Shanghai Boiler Works Ltd.
  • Hang Zhou Boiler Group Co. Ltd.
  • Harbin Boiler Co., Ltd.
  • Dong Fang Boiler Group Co., Ltd.
  • Wuxi Huaguang Industrial Boiler Co., Ltd.
  • Jiangxi Jianglian Energy & Environment Co., Ltd.
  • Dalian Boiler Works
  • Suzhou Hailu Heavy Industry Co., Ltd.


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