Zhangjiagang HuaDong Boiler Co., Ltd.
| Type | Natural Circulation |
| Structure | fire tube and water tube |
| Pressure | Low / High Pressure |
| Style | VERTICAL |
| Fuel | Coal-fired |
| Output | Hot Water / Steam |
| Surface Treatment | Painted |
| Bare pipe OD | 25-1650 mm |
| Bare pipe thickness | 2-40 mm |
| Fin thickness | 0.6-3.0 mm |
| Fin height | 5-30 mm |
| Fin tube pitch | 5-30 mm |
| Fin tube length | ≤12000 mm |
| Material | Carbon Steel, Alloy, Austenitic Steel |
| Hydraulic test | Standard working pressure |
| Place of Origin | Zhangjiagang,China |
| Brand Name | HD Boiler |
| Model Number | Bare type Economizer |
| Certification | ISO9001,ASME,Grade A,SGS,EN |
View Detail Information
Explore similar products
Alloy Customized Heat Recovery Steam Generator For Power Plant With ASME
EN3834 SA210 A1 Membrane Boiler Water Wall Panels For Power Station long life
TUV Certificated Carbon Steel Boiler Membrane Wall Tubes High Efficiency
SA -210 High Performance Water Wall Panels Efficient Heat Exchange Boiler Part
Product Specification
| Type | Natural Circulation | Structure | fire tube and water tube |
| Pressure | Low / High Pressure | Style | VERTICAL |
| Fuel | Coal-fired | Output | Hot Water / Steam |
| Surface Treatment | Painted | Bare pipe OD | 25-1650 mm |
| Bare pipe thickness | 2-40 mm | Fin thickness | 0.6-3.0 mm |
| Fin height | 5-30 mm | Fin tube pitch | 5-30 mm |
| Fin tube length | ≤12000 mm | Material | Carbon Steel, Alloy, Austenitic Steel |
| Hydraulic test | Standard working pressure | Place of Origin | Zhangjiagang,China |
| Brand Name | HD Boiler | Model Number | Bare type Economizer |
| Certification | ISO9001,ASME,Grade A,SGS,EN | ||
| High Light | Industrial Usage Boiler Economizer ，Natural Circulation Boiler Economizer ，1 Year Warranty Boiler Economizer | ||
Boiler Economizer
Wood fired generators boiler economizer for portable steam boiler
Introduction
Economiser performs a key function in providing high overall boiler thermal efficiency by recovering the low level energy from the flue gas before it is exhausted to the atmosphere. Economiser recovers the energy by heating the boiler feedwater.Economiser are basically tubular heat transfer surfaces used to preheat boiler feed water before it enters the steam drum or furnace surfaces. Economiser reduces operating costs or economise on fuel by recovering extra energy from the flue gas.
Procedure
Economisers also reduce the potential of thermal shock and strong water temperature fluctuations as the feed water enters the drum or waterwalls. Increasingly stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emission can also affect economizer design. The gas-side heat transfer coefficient is much less than water side heat transfer coefficient. To compensate this, outer surface of the tubes may be finned to increase the surface area of heat transfer. The ultimate goal of economizer design is to achieve the necessary heat transfer at minimum cost. A key design criterion for economizer is maximum allowable flue gas velocity. Higher velocity provide better heat transfer and reduce capital cost.
Specifications
Name(unit) | Specification(mm) |
Bare pipe(OD) | 25-1650 |
Bare pipe(Thickness) | 2-40 |
Fin (Thickness) | 0.6-3.0 |
Fin (Height) | 5-30 |
Fin tube thread pitch | 5-30 |
Fin tube length | ≤12000 |
Material:Carbon Steel,Alloy,Austenitic Steel(Nickel and Chromium or Manganese)
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.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1985
Total Annual:
100,000,000-120,000,000
Employee Number:
1000~1100
Ecer Certification：
Verified Supplier
Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ... Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ...
Get in touch with us
Leave a Message, we will call you back quickly!