|Place of Origin:||CHINA|
|Model Number:||Boiler Economizer|
|Minimum Order Quantity:||5 Ton|
|Packaging Details:||Seaworthy Packing|
|Delivery Time:||30 working days|
|Payment Terms:||L/C, T/T|
|Supply Ability:||500 tons/month|
|Type:||Economizer||Application:||Power Plant/WTE/waste Incineration|
|Material:||Carbon Steel,Alloy Steel, Stainless Steel, Etc.||Standard:||ASME, GB, ISO|
Fin Tube Power Plant Economizer,
EN10228 Power Plant Economizer,
EN10228 Fin Tube Economizer
Vertical Sprial Fin Tube Economizer In Power Plant Reduce The Thermal Stress
The spiral finned tube is formed by welding the steel strip on the bare tube along the spiral track by high-frequency welding method. The spiral finned tube through fin material winding process and high frequency welding, can make the fin and tube pressure melting as a whole, the contact thermal resistance of approximate 0, and can withstand the alternating thermal stress. No deformation after welding, so as not to weaken the bearing capacity of the base pipe, is conducive to heat transfer from the fin to the inner wall of the base pipe.The serpentine pipe wound by the sprial finned pipe (the elbow part has no finned) is composed of the tube group as the heating surface of the economizer, that is, the sprial finned economizer.
|Material||Alloy steel, Carbon steel, SA210C ,SA213T22, etc.|
|Material standard||ASTM, EN or ISO etc.|
Min: 10 ton
|Smelting Process:||EF+LF + VD|
|Process||Material→Ingot → Hot/Cold-Rolling→ Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2nd Heat treatment →finishing machining →Inspection|
|UT standard||ASTM A388 or EN10228, etc|
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.
Contact Person: Elsie 李晨
Address: Address: N0.1, Dongli Road, Donglai, Zhangjiagang City, Jiangsu Province, China
Factory Address:Address: N0.1, Dongli Road, Donglai, Zhangjiagang City, Jiangsu Province, China