Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | T/T, L/C at sight |
| Supply Ability | About 1,000 tons per month |
| Delivery Time | Within 90 Days after getting the down payment or L/C |
| Packaging Details | Sea worthy Packing for Exporting with Iron Frame |
| Type | Natural Circulation |
| Application | boiler maintaince,Boiler Pipe,Heating element |
| Material | Carbon Steel |
| Usage | Industrial,Power Station,Thermal power plant/station boiler |
| Color | Customized |
| Fuel | Biomass |
| Condition | New |
| Style | Horizontal and Vertical |
| Brand Name | HD Boiler |
| Model Number | Superheater coil 07012 |
| Certification | ASME, SGS, ISO9001, EN |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C at sight | Supply Ability | About 1,000 tons per month |
| Delivery Time | Within 90 Days after getting the down payment or L/C | Packaging Details | Sea worthy Packing for Exporting with Iron Frame |
| Type | Natural Circulation | Application | boiler maintaince,Boiler Pipe,Heating element |
| Material | Carbon Steel | Usage | Industrial,Power Station,Thermal power plant/station boiler |
| Color | Customized | Fuel | Biomass |
| Condition | New | Style | Horizontal and Vertical |
| Brand Name | HD Boiler | Model Number | Superheater coil 07012 |
| Certification | ASME, SGS, ISO9001, EN | Place of Origin | China |
| High Light | A1 Superheater Coil ，ASTM SA210 Superheater Coil ，boiler maintenance Superheater Coil | ||
ASTM SA210 A1 High Safety Level Superheater Coil For Boiler Government Project
Details: Superheater coil
All the raw materials will be firstly made pipeline cutting. It is consisted of a series of bare oil(carbon steel,alloy steel,or durable heat steel) and header and other auxiliaries. TubesΦ32,38,42 and so on,also as the request.
With the artistic apperance and accurate size,the advance process for bending tube and welding,the first rate test equipment and sophisticated technology.
In modern boilers, the heat absorption consumption of the superheaters and reheaters is over half of total heat absorption for the working fluid, thus the heating surfaces of superheaters and reheaters account for a large proportion in total heating surfaces of boilers, and they must be placed in the areas where smoke temperature is higher, the working conditions are the worst among all the heating surfaces.Tube wall temperature of the heating surfaces is close to the max. allowable temperature of steel, so the reasonable arrangement a dnd design of superheaters and reheaters matter so much for economy and reliability to the while boiler. When it comes to their design, on the basis of assurance of safety and reliability of superheater and reheater, it is very necessary to save metal consumption at the best, especially to save usage of alloy steel.
For boilers in large power stations, superheaters and reheaters are necessary parts, to a large extend, they have influced the safety and economy of boilers. Superheaters are the heating surfaces which heat the main steam from the surnatured temperature to the rated superheated temperature, and the reheaters are the heating surfaces which heat the exaust from the steam turbine high pressure cylinder to a certain temperature.When running conditions like boiler loads, coal types change, it is to adjust them to make sure the outlet temperature at the rated level of -10-+5 degrees.
For large boilers in power stations, superheaters and reheaters account for a big proportion in the total heating surfaces, they are to be arranged in the areas where smoke is with higher temperature. To improve the efficiency of thermal circulation in power stations, it is needed to improve the original parameters f steam gradually, the increase of steam pressure requires the corresponding increase of temperature for superheated steam, or the humidity of large stage exhaust of steam turbine will be too high, which will influence its safety. Thus, the steam flowing through superheaters and reheaters are high temperature steam, their heat transfer performance is quite bad, which determines that tube wall temperatures of superheaters and reheaters are high.
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. |
Principle
• Principle of superheater is similar to steam generating tubes of boiler.
• The hot gases at high temperature sweep over superheater tubes and raise the temperature of steam which magnitude depends upon exit gas temperature leaving the superheater and gas velocity.
Application
use for heating saturated steam, steam temperature could be up to 900 degree C.
Superheater Capacity Upgrades to Increase Power Generation
Send us required technical data, such as steam capacity, presure, required temperature etc. We will design accordingly.
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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