Zhangjiagang HuaDong Boiler Co., Ltd.
| Type | Natural Circulation |
| Structure | Fire Tube/Water Tube |
| Pressure | High Pressure/Middle Pressure/Low Pressure |
| Steam production | Max. 200t/h |
| Style | Horizontal |
| Fuel | Gas-fired, Coal-fired, Oil-fired, Biomass |
| Output | Steam |
| Operation | Natural Circulation/Force Circulation |
| Material | Stainless steel, Alloy steel, Carbon steel |
| Material standard | ASTM, EN or ISO |
| Weight range | Min: 10 ton, Max: 1000 ton |
| Smelting process | EF+LF+VD |
| Manufacturing process | Material->Ingot->Hot/Cold-Rolling->Heat treatment->Inspection->rough machining->UT->2nd Heat treatment->finishing machining->Inspection |
| UT standard | ASTM A388 or EN10228 |
| Flue gas temperature | Decreased |
| Place of Origin | Jiangsu, China |
| Brand Name | HDB |
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Product Specification
| Type | Natural Circulation | Structure | Fire Tube/Water Tube |
| Pressure | High Pressure/Middle Pressure/Low Pressure | Steam production | Max. 200t/h |
| Style | Horizontal | Fuel | Gas-fired, Coal-fired, Oil-fired, Biomass |
| Output | Steam | Operation | Natural Circulation/Force Circulation |
| Material | Stainless steel, Alloy steel, Carbon steel | Material standard | ASTM, EN or ISO |
| Weight range | Min: 10 ton, Max: 1000 ton | Smelting process | EF+LF+VD |
| Manufacturing process | Material->Ingot->Hot/Cold-Rolling->Heat treatment->Inspection->rough machining->UT->2nd Heat treatment->finishing machining->Inspection | UT standard | ASTM A388 or EN10228 |
| Flue gas temperature | Decreased | Place of Origin | Jiangsu, China |
| Brand Name | HDB | ||
| High Light | Carbon Steel Boiler Economizer ，ASME A179 Economizer ，Power Station Flue Gas Economizer | ||
The economizers typically consist of a series of pipes arranged in parallel, often in a curved shape to increase the contact area between the flue gas and the incoming water. The flue gas passes through the boiler combustion chamber and enters the economizer, where it flows in the pipe. At the same time, the inlet water of the boiler also passes through the pipes of the economizer and exchanges heat with the flue gas. The heat in the flue gas is transferred to the inlet water, which lowers the flue gas temperature and increases the inlet water temperature. In this way, the heat in the flue gas is recovered and the thermal efficiency of the boiler is improved.
1. Fuel saving: the economizers are placed at the rear part of boilers. This way can decrease the smoke and gas temperatures, thus to save fuels.
2.Improve the working conditions of steam drums: due to economizers, the feed water temperature is increased when entering the steam drum. It reduces the temperature difference between the feed water and steam drum wall as well as steam drum thermal stress, so that it improve the working conditions of steam drums and increase the service life.
3.Reduce the boiler manufacturing cost: for the feed water is heated in the boiler economizers. The use of low temperature spare parts as boiler economizers to replace some of high-priced high temperature water wall panels reduces the cost to manufacture boilers.
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. ...
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