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Stainless Steel Economizer Tubes CFB Boiler Economizer In Thermal Power Plant High Corrosion

Zhangjiagang HuaDong Boiler Co., Ltd.
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Zhangjiagang HuaDong Boiler Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Tel: 86-512-58666196
Contact Person:
Miss Sandy Chen

Stainless Steel Economizer Tubes CFB Boiler Economizer In Thermal Power Plant High Corrosion

Brand Name : HD BOILER
Model Number : Energy saving economizer
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : China
MOQ : 1 Set / Sets 10tons
Price : Negotiable
Payment Terms : Western Union, L/C, T/T
Supply Ability : 500 Tons per month
Delivery Time : 60 days
Packaging Details : Seaworthy Packing
Material : Stainless Steel
Usage : Power Plant/CFB Boiler
Type : Natural Circulation / Once Through
Structure : Hot / Water Tube
Dimension : Customization
Port : Shanghai
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Stainless steel economizer tubes CFB boiler economizer In thermal power plant high corrosion


Product Description


1.Economizers are mechanical devices intended to reduce energy consumption, or to perform useful function such as preheating a fluid.

2.The term economizer is used for other purposes as well. Boiler, power plant, heating, Refrigeration, ventilating, and air conditioning (HVAC) uses are discussed in this article.

3.In simple terms, an economizer is a heat exchanger.

4.The economizer has advanced manufacturing technology, strict production technology, detection means, with high-tech snake-like tube production lines.


Parameter


Name(unit)Specification(mm)
Bare pipe(OD)25-165
Bare pipe(Thickness)2-8
Fin (Thickness)0.6-3.0
Fin (Height)5-30
Fin tube thread pitch5-30
Fin tube length≤12000

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


Details


1.Economizers must be sized for the volume of flue gas, its temperature, the maximum pressure drop allowed through the stack, what kind of fuel is used in the boiler, and how much energy needs to be recovered.

2.Economizers designed for natural gas only, would likely plug-up if installed on a coal boiler and would face increased risk of corrosion if installed on an oil-fired boiler.

3.Some units are designed to keep the flue gases above condensation temperature, and others are made of materials that resist the corrosive effect of condensed flue gases.


Application


During boiler operation in typical commercial and industrial applications, approximately 10-20% of the heating value of fuel is expelled with the stack gases to the atmosphere. Stack economizers are designed to recover significant amounts of this stack gas energy loss, thereby vastly improving boiler system efficiency. There are several considerations when selecting an economizer:

• Gas-side Pressure Drop. Added back-pressure on the boiler stack affects the combustion air fan throughput capability. The economizer and combustion air fan(s) must be sized properly in order to assure a suitable system operation and capacity.

• Feedwater Temperature. The feedwater to the economizer must be deaerated and the temperature setpoint minimally at 220oF to prevent tube corrosion.

• Water-side Pressure Drop. Feedwater pumps must be sized to accommodate the economizer pressure drop. Additionally, a continuous modulating feedwater system is required to ensure proper flow rates through the economizer.



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.



Product Tags:

power plant economizer

      

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