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GB H Type Tube Exhaust Gas Economizer Stack

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GB H Type Tube Exhaust Gas Economizer Stack

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Brand Name : HDB

Model Number : Boiler Economizer

Certification : ASME,EN,ISO,SGS

Place of Origin : CHINA

MOQ : 5 Ton

Price : Reasonable

Payment Terms : L/C, T/T

Supply Ability : 500 tons/month

Delivery Time : 30 working days

Packaging Details : Seaworthy Packing

Type : Economizer

Application : power plant/WTE/waste incineration

Color : Customer's Requirement

Fuels : Coal;Oil;Biomass

Standard : ASME&GB

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Description

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

In boilers, economizers are heat exchange devices that heat fluids, usually water, up to but not normally beyond the boiling point of that fluid. Economizers are so named because they can make use of the enthalpy in fluid streams that are hot, but not hot enough to be used in a boiler, thereby recovering more useful enthalpy and improving the boiler's efficiency. They are a device fitted to a boiler which saves energy by using the exhaust gases from the boiler to preheat the cold water used to fill it

Function

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.

GB H Type Tube Exhaust Gas Economizer Stack

GB H Type Tube Exhaust Gas Economizer Stack

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.

GB H Type Tube Exhaust Gas Economizer Stack


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