Exhaust Heat Recovery System Boiler Economizer Cooling System For Power Station
Product Details
| Material: | Carbon Steel | Usage: | Power Plant/CFB Boiler |
|---|---|---|---|
| Type: | Natural Circulation | Structure: | Hot / Water Tube |
| Output: | Hot Water/Steam | Fuel: | Coal/Gas/Oil-fired, Water Heat |
| Highlight |
power plant economizer,economizer for boiler |
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Product Description
ASME Standard Boiler Exhaust Heat Recovery System Economizer Cooling System For Power Station
Description
1.In boiler,economizers are heat exchange devices that heat fluids,usually water,up to but not normally beyond the boiling point of that fluid.
2.Economizer are so named because they can make use of the enthalpy in fluid streams that are hot,but not enough to be used in a boiler,thereby recovering more useful enthalpy and improving the boiler's efficiency.
3.They are a device fitted to a boiler which saves energy by using the exhaust gases from the boler to preheat the cold water used the fill it(the feed water)
Characteristics
1.This type of economizer can largely develop the heat exchanging area than the bare economizer to add the heat transfer area, reduce the volume, compact structure and reduce the number of elbow and welding to make less leakage and add the heat transfer efficiency.
2.Not easy to collect dust and the fume pass through the fin tube to form the boundary layer to occur the vortex to make less chance for the fly ash particle to touch the tube wall.
3.Widely temperature range, high pressure limit.
4.Durable strong impact, reliable operation.
5.less fume resistance, reduced abrasion and long working life.
6.Beautiful appearance, simple fabrication process.
7.Diverse layout.
8·Ease of installation, ease of construction.
9·A wide range of working pressure .
Variety
Utility Boiler Economizer
| 1 | HDB produces economizers for utility boilers, which includes boilers fueled by coal, wood, oil, or other solid fuels to produce electricty from the boiler's high pressure steam. |
| 2 | These economizers are usually located in the back pass of the boiler and oriented with the tubes running horizontally.The boiler feedwater runs through the economizer circuits in the opposite direction of the gas flow (called counterflow). |
| 3 | Bare tubes are typically utilized in order to minimize ash fouling, but some boiler OEM's design their economizers with finned tubes, either spiral or long finned. |
| 4 | HDB can produce economizer elements with either bare, spiral finned, or long finned tubes, and if you prefer, re-design your unit to one of the other tube-types. HDB can also fabricate replacement headers for all utility boiler economizers. |
Package Boiler Economizer
| 1 | HDB has unique manufacturing capabilities that the Optimus engineers take full advantage of when designing sulfuric acid plant economizers and superheaters. |
| 2 | Often this allows the Optimus units to be configured for higher heat transfer efficiencies which results in a reduced surface area requirement and, consequently, a lower-priced product. |
| 3 | HDB utilizes its on-site capabilities to fin and bend the tubes, machine and fabricate the headers, drill the tubesheets, cut and prep all casing materials, and perform all of the pressure part and casing welds. |
| 4 | This gives HDB more control of the manufacturing sequence and schedule which has helped us achieve a remarkable record of on-time delivery performance. |
HRSG Economizer
| 1 | Economizers for today's HRSG modules are configured with fintubes that hang vertically. HDB has fabricated economizer coils for virtually all of the HRSG OEM companies and understands the unique features of each. |
| 2 | In many cases, utilities desire to upgrade their economizers from plain carbon steel to an alloy material to help resist flow accelerated corrosion (FAC) inside the headers and tube bends. |
| 3 | HDB is a one-stop shop for economizer fabrication because we prep all the materials and perform all of the pressure part and attachment welding, from finning the fintubes, fabricating the headers, and assembling the coil bundle. |
Technical specifications
1.Material Structure
Consists of a serious of spiral fin tubes, the headers of inlet and outlet, bend, frame and other auxiliaries.
2.Structure Arrangement
In line / staggered arrangement.
Product Highlights
ASME Standard Boiler Exhaust Heat Recovery System Economizer Cooling System For Power Station Description 1.In boiler,economizers are heat exchange devices that heat fluids,usually water,up to but not normally beyond the boiling point of that fluid. 2.Economizer are so named because they can make ...
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