H Type Heat Exchanger Module Fin Tube Economiser ASME Standard
Product Details
| Type: | Economizer | Application: | Power Plant/WTE/waste Incineration |
|---|---|---|---|
| Color: | Customer's Requirement | Fuels: | Coal;Oil;Biomass |
| Price: | Reasonable | Standard: | ASME&GB |
| Highlight |
H Type Heat Exchanger Module,H Type Fin Tube Economiser,SGS Fin Tube Economiser |
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Product Description
Heat Exchanger Module H Type Fin Tube Boiler Economiser ASME Standard
Economizer recirculation effect:
In the boiler (drum boiler), in the process of start due to its steaming-water pipe loop is not established, namely the boiler feed water at a standstill, the water inside the economizer is in a state of no flow, with the strengthening of boiler combustion, flue gas temperature rise, prone to vaporization of the water in the economizer, the economizer locally in overtemperature condition in order to avoid this The occurrence of the situation, from the centralized downpipe of the steam drum to connect a pipe to the entrance of the economizer, as a recirculation pipeline, so that the water in the economizer is in a flowing state to avoid its vaporization.
Function
Economizers are commonly used as part of a heat recovery steam generator (HRSG) in a combined cycle power plant. In an HRSG, water passes through an economizer, then a boiler and then a superheater. The economizer also prevents flooding of the boiler with liquid water that is too cold to be boiled given the flow rates and design of the boiler.
1. Absorb the heat of low-temperature flue gas, reduce the smoke exhaust temperature, reduce smoke loss and save fuel.
2. Since the feed water is heated in the economizer before entering the drum, the heat absorption of the feed water on the heating surface is reduced, and the economizer can be used to replace part of the high-cost evaporative heating surface.
3. When the feed water temperature is raised, the wall temperature difference will be reduced and the thermal stress will be correspondingly reduced to extend the service life of the steam drum.
Specification
| Description | Boiler economizer |
| Material | Alloy steel, Carbon steel, SA210C ,SA213T22, etc. |
| Material standard | ASTM, EN or ISO etc. |
| Dimension | Customization |
| Weight |
Min: 10 ton Max.:1000 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 |
Application
Related Industry: Combined cycle power plant,Heat recovery steam generator(HRSG).
Economizers are commonly used as part of a heat recovery steam generator (HRSG) in a combined cycle power plant. In an HRSG, water passes through an economizer, then a boiler and then a superheater. The economizer also prevents flooding of the boiler with liquid water that is too cold to be boiled given the flow rates and design of the boiler.
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 Highlights
Heat Exchanger Module H Type Fin Tube Boiler Economiser ASME Standard Economizer recirculation effect: In the boiler (drum boiler), in the process of start due to its steaming-water pipe loop is not established, namely the boiler feed water at a standstill, the water inside the economizer is in a ...
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