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Stainless Steel Exhaust Gas Economizer In Boiler Gilled Tube With Coal Fired

Categories Boiler Economizer
Brand Name: HD BOILER
Model Number: Heated area
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: 500 Tons per month
Delivery Time: 30 Days
Packaging Details: Seaworthy Packing
Type: Finned Tube, Gilled tube
Material: Carbon steel, alloy steel or equivalent
Size: Customized
Function: Heat exchange
Application: Boiler System
Surface treatment: Painted
Fuel: Coal
Style: Horizontal / Vertical
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Stainless Steel Exhaust Gas Economizer In Boiler Gilled Tube With Coal Fired

Utility Boiler accessories gilled tube economizer coal fired Stainless steel seamless pipe

Product Description

Boiler economizers reuse exhausted flue gas to pre-heat the feedwater entering the boiler. Essentially a mini-heat exchanger, economizers improve boiler performance while increasing fuel efficiency. By rapidly increasing feedwater temperature through captured flue gas, economizers also provide a significant improvement in steam generation and response time.

Technical specifications

Material Structure
Consists of a serious of spiral fin tubes, the headers of inlet and outlet, bend, frame and other auxiliaries.

Structure Arrangement
In line / staggered arrangement.


Characteristics
1. This type of economizer can largely develop the heat exchanging area than the bare economizer to add the heat transfer area, reduce the volume, compact structure and reduce the number of elbow and welding to make less leakage and add the heat transfer efficiency.
2. Not easy to collect dust and the fume pass through the fin tube to form the boundary layer to occur the vortex to make less chance for the fly ash particle to touch the tube wall.
3. Widely temperature range, high pressure limit.
4. Durable strong impact, reliable operation.
5. less fume resistance, reduced abrasion and long working life.

6. Beautiful appearance, simple fabrication process.
7. Diverse layout.
8. Ease of installation, ease of construction.
9. A wide range of working pressure .

Manufacturing and acceptance criteria
• JB/T6512 "boiler with a high-frequency resistance welding spiral fin tube manufacturing technology conditions";
HG/T3181 "high-frequency resistance welding spiral fin tube";
JB/T6511 "spiral finned tube test technical conditions."
JB1611 "boiler tube mane box assembly conditions";
JB/T1612 "boiler pressurufacturing conditions."
JB16I3 "boiler pressure parts welding conditions."

Parameters

NameEconomizer
specifications of finned tubeunit(mm)
Bare pipe(od)25-165
bare pipe(thick)2-8
finned thicks0.6-3.0
finned height5-30
finned tube thread pitch5-30
finned tube length12000

*Note:HD BOILER can bespoke special type of economizer according to customer's requirement.

Testing




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 400,000 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



















































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