Industrial Power Station Boiler Economizer Heat Exchange Fin Tube ASME Standard
Brand Name:HD BOILER
Certification:ISO9001 , SGS , TUV , ASME , EN
Model Number:Economizer
Minimum Order Quantity:1 Set / Sets 10tons
Delivery Time:30 days
Payment Terms:Western Union, L/C, T/T
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Product Details
Industrial Power Station Boiler Economizer Heat Exchange Fin Tube ASME Standard
Product Introduce
HDB grade A industrial boiler spiral finned tube economizer is A heat exchanger, used to capture the boiler hot chimney gas "lost or residual heat."Cheap and fine spiral finned tube economizers usually transfer waste heat to boiler feed water or return water loop, but can also be used to heat domestic water or other processing fluids.
Capturing the heat that is normally lost can reduce the boiler's overall demand for fuel.Less fuel equals less money and less emissions - because boilers now operate at higher efficiency.This is possible because the boiler feed or return water is preheated by the economizer, so the main heating loop of the boiler does not need to provide enough heat to produce a given steam or hot water output.
Again, fuel savings are the result.Spiral finned tube boiler economizer improves boiler efficiency by extracting heat from the flue gas discharged by the boiler.
Material composition
It is made of spiral finned tubes, inlet header, outlet header,
elbow and other supporting material.
Structural arrangement
Spiral finned tubes are in-line arrangement or staggered layout,
water in the pipe.
Specifications
| 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 |
Technical specifications
Material Structure
Consists of a serious of spiral fin tubes, the headers of inlet and
outlet, bend, frame and other auxiliaries.
Structure Arrangement
In line / staggered arrangement.
Function
1.The economizer is a steam generation system as like a boiler. when the exhaust gas discharge from the engine cylinder through the exhaust valve it goes to the boiler for generate steam by heating of water.
2. After those gas it goes through the economizer the remaining exhaust gas temperature is heated the water in economiser. it help to generate steam, and it is improving the efficiency and save the fuel consumption
3.An economizer uses the waste heat from the boiler exhaust, that would otherwise be lost to atmosphere to (in most cases) preheat the feed water into the boiler.This improves the boiler efficiency and reduces fuel costs.
Manufacturing and acceptance criteria
| · | JB/T6512 "boiler with a high-frequency resistance welding spiral fin tube manufacturing technology conditions" |
| · | HG/T3181 "high-frequency resistance welding spiral fin tube" |
| · | JB/T6511 "spiral finned tube test technical conditions." |
| · | JB1611 "boiler tube mane box assembly conditions" |
| · | JB/T1612 "boiler pressurufacturing conditions." |
| · | JB16I3 "boiler pressure parts welding conditions." |
Test
| 1 | Latest type of 'U' bending machine is used for precision cold bending of tubes. |
| 2 | Bending is done for all kind of heat exchanger, condenser, economizer, boiler tubes in Stainless Steel Seamless as well as welded. |
| 3 | Subsequent to 'U' bending tubes are hydro tested & stress relieved if asked for. |
| 4 | Also mock-up pieces are prepared for determining thickness reduction on the bend portion. |
| 5 | Dye penetrant testing on the bend portion is done ro detect cracks, flaws or any type of defect. |
| 6 | Special packing is provided to prevent any damages during transit. |
Industrial Power Station Boiler Economizer Heat Exchange Fin Tube ASME Standard
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