|
| MOQ: | 1 Set |
| Price: | Negociable |
| Delivery Period: | 30 days after deposit |
| Payment Method: | L/C, T/T |
| Supply Capacity: | 500 Tons per Month |
Boiler Spare Parts Superheater And Reheater For Utility / Industrial Station Boiler
Superheater
Superheater is a part of boiler that further heats steam from saturated temperature to superheat temperature, also known as steam superheater. The superheater can be divided into convection type, radiation type and half radiation type according to the heat transfer mode. According to the structural features can be divided into serpentine tube type, screen type, wall type and package wall type. They are made up of a number of parallel pipes and an inlet and outlet header.
Reheater
Reheater is essentially a kind of steam superheater which reheats the low-pressure steam which has been overdone and reaches a certain temperature. The reheater further improves the heat efficiency of power plant circulation and controls the steam temperature of the final stage blade of steam turbine within the allowable range. A reheater is a heater that converts steam from a steam turbine into superheated steam. There are two functions of reheater. One is to reduce the humidity of water vapor, which is helpful to protect turbine blade. Second, the relative internal efficiency and absolute internal efficiency can be improved.
In power station boilers, the effect of superheaters is to heat the steam to certain temperature for higher efficiency of the power station. Reheaters are steam superheaters to reheat the over-worked long-pressure or middle-pressure steam to certain temperature.
The use of rehearters can further improve heat power of the power station circulating and control the steam temperature of the end blades of the steam turbine within allowed range. Zigzag superheaters and reheaters of the Company are also unique with rigorous production technique, first-class production flow line and complete test methods.
Advantage
Surperheater
1.Superheater is a device for heating saturated steam into superheated steam at a certain temperature.
2. After the saturated steam is heated into superheated steam, the work capacity of steam in the steam turbine is improved, that is, the useful enthalpy of steam in the steam turbine is increased, thus improving the cycle efficiency of the heat engine.
3. In addition, the adoption of hot steam can also reduce steam exhaust humidity of steam turbine, avoid corrosion of steam turbine blade, and create favorable conditions for further reduction of steam exhaust pressure and safe operation of steam turbine.
Reheater
1. Reduce the humidity of water vapor, which is conducive to the protection of turbine blades.
2. The relative and absolute internal efficiency of steam turbine can be improved.
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
Workshop
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. 150 Engineers
3. 600 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
|
|
| MOQ: | 1 Set |
| Price: | Negociable |
| Delivery Period: | 30 days after deposit |
| Payment Method: | L/C, T/T |
| Supply Capacity: | 500 Tons per Month |
Boiler Spare Parts Superheater And Reheater For Utility / Industrial Station Boiler
Superheater
Superheater is a part of boiler that further heats steam from saturated temperature to superheat temperature, also known as steam superheater. The superheater can be divided into convection type, radiation type and half radiation type according to the heat transfer mode. According to the structural features can be divided into serpentine tube type, screen type, wall type and package wall type. They are made up of a number of parallel pipes and an inlet and outlet header.
Reheater
Reheater is essentially a kind of steam superheater which reheats the low-pressure steam which has been overdone and reaches a certain temperature. The reheater further improves the heat efficiency of power plant circulation and controls the steam temperature of the final stage blade of steam turbine within the allowable range. A reheater is a heater that converts steam from a steam turbine into superheated steam. There are two functions of reheater. One is to reduce the humidity of water vapor, which is helpful to protect turbine blade. Second, the relative internal efficiency and absolute internal efficiency can be improved.
In power station boilers, the effect of superheaters is to heat the steam to certain temperature for higher efficiency of the power station. Reheaters are steam superheaters to reheat the over-worked long-pressure or middle-pressure steam to certain temperature.
The use of rehearters can further improve heat power of the power station circulating and control the steam temperature of the end blades of the steam turbine within allowed range. Zigzag superheaters and reheaters of the Company are also unique with rigorous production technique, first-class production flow line and complete test methods.
Advantage
Surperheater
1.Superheater is a device for heating saturated steam into superheated steam at a certain temperature.
2. After the saturated steam is heated into superheated steam, the work capacity of steam in the steam turbine is improved, that is, the useful enthalpy of steam in the steam turbine is increased, thus improving the cycle efficiency of the heat engine.
3. In addition, the adoption of hot steam can also reduce steam exhaust humidity of steam turbine, avoid corrosion of steam turbine blade, and create favorable conditions for further reduction of steam exhaust pressure and safe operation of steam turbine.
Reheater
1. Reduce the humidity of water vapor, which is conducive to the protection of turbine blades.
2. The relative and absolute internal efficiency of steam turbine can be improved.
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
Workshop
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. 150 Engineers
3. 600 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
