Zhangjiagang HuaDong Boiler Co., Ltd.
| Supply Ability | 1500 Tons / Month |
| Delivery Time | 50 ~ 100 Days |
| Packaging Details | Iron Frame Package |
| Payment Terms | L/C, T/T, Western Union |
| Material | Carbon / Alloy steel |
| Type | Boiler Heater |
| Trademark | HD BOILER |
| Dimension | Customized |
| HS Code | 3215960855 |
| Surface Treatment | Painted |
| Port | Shanghai , China |
| Manufacturing Level | A |
| Brand Name | HD BOILER |
| Model Number | Heater |
| Certification | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin | China |
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Product Specification
| Supply Ability | 1500 Tons / Month | Delivery Time | 50 ~ 100 Days |
| Packaging Details | Iron Frame Package | Payment Terms | L/C, T/T, Western Union |
| Material | Carbon / Alloy steel | Type | Boiler Heater |
| Trademark | HD BOILER | Dimension | Customized |
| HS Code | 3215960855 | Surface Treatment | Painted |
| Port | Shanghai , China | Manufacturing Level | A |
| Brand Name | HD BOILER | Model Number | Heater |
| Certification | ISO9001 , SGS , TUV , ASME , EN | Place of Origin | China |
| High Light | convection superheater ， reheater in power plant | ||
Product Description
The Steam Superheater is a coil type heat exchanger which is used to produce superheated steam or to convert the wet steam to dry steam, generated by a boiler. It is different from a boiler in a way that, boiler utilizes both sensible heat as well as latent heat to convert water into steam while superheater utilizes only sensible heat to superheat the steam in order to increase its enthalpy.
A super-heater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. It is used in power stations. Super-heaters are used in steam engines or in processes, such as steam reforming. There are three types of super-heaters: radiant, convection, and separately fired. A super-heater can vary in size from a few tens of feet to several hundred feet (a few meters to some hundred meters).
Re-heaters are the same as the super-heaters but as their exit temperature is a little bit less than super-heaters and their pressure is 20%-25% less than the super-heater, they can stand less quality material alloys.
Differences
| Type | Advantages | Disadvantages | Supporting method |
| Pendant-type | 1.Firm structural support | 1. Flow blockage by condensed steam 2. Needs slow restart to purge the water that accumulates in the bottom. | supported from above |
| Inverted-type | 1.Proper drainage of the condensed steam | 1. Lack the structural rigidity, especially in high speed gas flow | Supported from below |
| Horizontal -type | 1. Proper drainage 2. Good structural rigidity. | 1. They do not view the flam directly so they are mainly from the convective type | Usually supported in the vertical gas ducts parallel to the main furnace. |
Details
Material composition
Carbon steel, alloy steel or heat-resistant steel, collection boxes and other supporting material. Tubes are customized types of specifications.
Design pattern
Vertical or horizontal layout.
Advantages
Beautiful appearance, size, accuracy, first-class bending and welding technology, first-class detection equipment.
Manufacturing and acceptance criteria
JB/T1611 " Technical specification for manufacturing of boiler pipes."
JB/T1612 "boiler pressure test technical conditions. "
JB/T1613 "Technical specification for welding of pressure parts of boiler."
JB/T1615"Technical specification for painting and packing of boiler."
JB/T3375 "Rules for receiving acceptance of materials for boiler construction."
Testing Equipment
Company Introduction
Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.
1. Fabrication area of 200,000 square meters
2. 80 Engineers
3. 200 Coded welders
4. 30 Licensed Inspectors(NDT Level-III instructors)
5. Class-A Licenses for Design and Manufacture Boiler
6. ISO 9001:2008 Quality System
7. ASME Certificate of Power Boilers
8. ASME 'S','U' and NB stamp authorization
Shipment
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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