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Double H-Type Self-Cleaning Spiral Finned Tube for High Heat Transfer in Boiler Systems

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ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD

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Double H-Type Self-Cleaning Spiral Finned Tube for High Heat Transfer in Boiler Systems

Place of Origin : China

Brand Name : HDB

MOQ : 10

Price : $3,600

Weight : 18 kg

Base Tube Material : Carbon Steel, Stainless Steel

Fin Type : Spiral

Main Process : H fin welding

Tube Material Options : Alloy steel, Carbon steel, SA210C, SA213T22

Heat Transfer Coefficient : Improved

Ash Handling : Self-cleaning dust

Structural Design : Double H-type

Rib Structure : Cantilever beam

Vibration Feature : Rib vibration for ash removal

Service Life : Extended

Wear Resistance : Improved

Heat Recovery : Flue gas exhaust

Fuel Utilization : Improved

Energy Efficiency : High

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Product Description

H type finned tube is used to recover waster heat from flue gas exhaust of power plant boilers, industrial boilers, industrial
kilns and marine power plant, make full use of waste heat, save energy and reduce emission to protect environment, improve fuel utilization rate, and they are the strengthened heat exchange elements arranged at the tail of the fuel duct of the system.

Finned tube is used to recover heat from gas flue exhaust of power plant boilers, industrial boilers, industrial kilns, marine
power plants, and to effectively improve fuel utilization, and they are the strengthened heat exchange elements arranged at the tail of the flue duct of the system.

In the structure design of double H-type finned tube, a separate structure is adopted for the easy ash-setting part of the tube, which overcomes the shortcomings of easy ash accumulation, ash plugging and gas resistance of the spiral finned tube, and is an improved product of the spiral finned tube. In addition, the finned tube ribs are cantilever beam structure, under the action of pulsed air flow, rib vibration is more conducive to ash removal treatment.

Double H-type finned tube, on the one hand, expanding the heating surface can increase the heat transfer coefficient, on the other hand, expanding the heating surface unit has the function of self-cleaning dust, can slow down the deposition, blockage and wear of smoke and dust on the heating surface, especially to slow down the wear and tear can ensure the reasonable service life of the heating surface, which is the basis of safe and economical operation of waster heat boilers.

Double H-Type Self-Cleaning Spiral Finned Tube for High Heat Transfer in Boiler Systems

Specification

Description	Heat boiler economizer, steam boiler economizer, oil boiler economizer, coal steam boiler economizer, Gas boiler economizer,etc
Material	Alloy steel, Carbon steel, SA210C ,SA213T22, etc.
Standard	ASME, GB, EN, etc
Main Process	H fin welding

Company Profile

Zhangjiagang Hua Dong Boiler Co., Ltd.，

founded in 1985, is an enterprise specializing in manufacturing power station boilers, industrial boilers, HRSGs, waste incineration boilers, biomass boilers and related heating surface components in China. Hua Dong Boiler provides clients with integrated services from
design, manufacturing to installation and maintenance.

Our Advantages

38 years experience in industry research, development and manufacturing with sufficient production capacity.

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 (welding seam): to ensure the quality of the entire boiler
4. Hydraulic test report: ensure the standard working pressure and safety

Complete quality assurance and control system which certified according to the International Quality Standard.

Establish a quality assurance system faithfully in compliance with the national regulations, standards and other technical requirements. The quality of process and products is 100% under control. Ensured all the products are manufactured faithfully in accordance with the contract requirements, national regulations and standards by stringent inspection and test over materials and products during manufacturing.

Certifications

Owns verification certificates:

ISO 9001: 2015; CE certificate; EN ISO 3834-2; ASME certificate with "S", "U" and "NB" stamps, etc.

Global Sales

FAQ

Q1: How long is the warranty period?

We provide 18 months warranty for all spare parts(exclude fragile parts).

Q2: How can we guarantee quality?
1) All machines are in strict accordance with the ISO quality and CE system requirements.
2) Each procedure is crafted by professional Skilled labour, followed by particular QC
3) All information of our products can be checked in efficient management system.

Q3: What can you buy from us?
CFB Boiler, HRSG Boiler, Boiler Economizer, Boiler Fin tube, Boiler Air preheater, Boiler superheater, Boiler membrane wall,
Boiler manifold headers and other pressure spare parts.

Q4: What kind of service do you provide?
Before sales:
Provide productinformations, market research forecasting, product customization,product processing,consultation and other services for your convenience.

After sales:
1. Technical training on according to customer requirements;
2. We promise replacement under warranty;
3. We promise to supply the maintenance spare parts;
4. Regular call back or visit customers;
5. On time response to mail and phone calls of your complaints or consultation.

Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA；
Accepted Payment Currency: USD, CNY;
Accepted Payment Type: T/T, L/C, MoneyGram, Western Union, Cash;
Language Spoken:English,Chinese

Q5: Are you a factory or trading company, where are you located？
We are a factory, just 130km(2 hours by car) away from Shanghai Airport.

We offer pickup service at Shanghai for your visit.

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