Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 500 Tons per Month |
| Delivery Time | 30 Days |
| Packaging Details | Seaworthy Packing |
| Fuel | Coal |
| Type | Pressure parts |
| Surface Treatment | Painted |
| Range of Applications | Power Station |
| Specification | Customized |
| HS Code | 3215960855 |
| Style | Horizontal and Vertical |
| Manufacturing Level | A |
| Brand Name | HD BOILER |
| Model Number | APH |
| Certification | ISO9001,ASME,Grade A,SGS,EN |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 500 Tons per Month |
| Delivery Time | 30 Days | Packaging Details | Seaworthy Packing |
| Fuel | Coal | Type | Pressure parts |
| Surface Treatment | Painted | Range of Applications | Power Station |
| Specification | Customized | HS Code | 3215960855 |
| Style | Horizontal and Vertical | Manufacturing Level | A |
| Brand Name | HD BOILER | Model Number | APH |
| Certification | ISO9001,ASME,Grade A,SGS,EN | Place of Origin | China |
| High Light | air preheater for boiler ，tubular type air preheater | ||
Tubular Type Recuperative Air Preheater Pre Heating For Thermal Power Plant
Introduction
An air preheater (APH) is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be used alone or to replace a recuperative heat system or to replace a steam coil.
In particular, this article describes the combustion air preheaters used in large boilers found in thermal power stations producing electric power from e.g. fossil fuels, biomasses or waste.
Purpose of Preheaters
The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance system and the flue gas stack. It also allows control over the temperature of gases leaving the stack (to meet emissions regulations, for example).
Specifications
| Name | APH |
| Material | Carbon steel, Alloyor equivalent |
| Structure | Vertical or Horizontal |
| Tubes | Enameled seam or seamless tubes |
| Tube OD | customers required |
| Thickness | 0.34+/-0.06 mm |
| Size | Customized design |
Advantages of Using Air Heater
The recovery of waste heat from the flue gas and heating the air required for Boiler In an air heater gives the following advantages.
a) The Boiler efficiency is increased.
b) More stable combustion in furnace.
c) The combustion is intensified with the use of hot air.
d) Lower grades of coals can be burnt efficiently with hot-air.
e) The use of hot air, improves the heat transfer rate and so less heat transfer area will be required.
f) The combustion is made complete with negligible amount of carbon in ash.
g) Faster load variations are possible.
h) The coal can be dried effectively for easy pulverization and combustion.
Quality Control
1. Fabrication area of 200,000 square meters
2. 150 Engineers
3. 400 Coded welders
4. 60 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
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.
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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