Water Heat Carbon Steel Boiler Tube Heat Exchanger Replacement For Industrial Plant
Product Details
| Structure: | Electric Elements | Pressure: | Low/High Pressure |
|---|---|---|---|
| Fuel: | Coal/Gas/Coal-fired/Water Heat | Condition: | New |
| Materials: | Carbon Steel / Stainless Steel | Color: | Red / Blue / Grey |
| Port: | Shang Hai | Packing: | Iron Frame Package |
| Highlight |
superheater in boiler,reheater in power plant |
||
Product Description
Water Heat Carbon Steel Superheater And Reheater Energy Saving Heat Exchanger For Industrial Plant
Product Description
Summary
For power plant boiler, it is a crutial way to increase thermal economy of thermal power station by improving parameter of superheated steam. The increase of superheated steam parameters are limited by metal materials. The design of superheaters must make sure that the temperature of outer wall of heating surface pipes is lower than allowable temperature of oxidation resistance of steel, and meanwhile make sure its mechanical strength. with the development of metal material used in boilers, pwoer station boilers in our country already generally apply high pressure, high temperature(9.8MPa, 540 degrees) and superhigh pressure parameters(13.7 MPa, 540 and 555 degrees), and have developed subcritical pressure parameters(16.7MPa, 540 and 555 degrees). Now lots of boilers apply supercritical pressure parameters(24.5MPa, 540-570 degrees), and even very few units apply higher pressure and temperture parameters.
With the increase of steam pressure, in order to reduce the steam humidity of steam turbine tail as well as further improve the thermal economy of power station, middle reheating system is widely used in high parameters power station, e.g. sending the exhaust of the high pressure cylinder in steam turbine again back to be re-heated in the boiler to high temperature, and then re-sending them back to the medium-pressure and low-pressure cylinder of the steam turbine, expanding and working. The element for reheating is called reheater.
Details
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
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. |
Application
use for heating saturated steam, steam temperature could be up to 900 degree C.
Superheater Capacity Upgrades to Increase Power Generation
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
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Water Heat Carbon Steel Superheater And Reheater Energy Saving Heat Exchanger For Industrial Plant Product Description Summary For power plant boiler, it is a crutial way to increase thermal economy of thermal power station by improving parameter of superheated steam. The increase of superheated ...
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