Zhangjiagang Dehai Boiler Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 800 Tons / Month |
| Delivery Time | 45 Days |
| Packaging Details | Seaworthy packing |
| Fuel | Coal-fired |
| Thermal efficiency | 92.4%--94.5% |
| Structure | Water Tube |
| Material | Special Boiler Steel Plate |
| Situation | Brand New |
| Warranty | 1 Year |
| Brand Name | Dehai Boiler |
| Model Number | Reheater |
| Certification | ISO9001 , SGS , ABS , ASME |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 800 Tons / Month |
| Delivery Time | 45 Days | Packaging Details | Seaworthy packing |
| Fuel | Coal-fired | Thermal efficiency | 92.4%--94.5% |
| Structure | Water Tube | Material | Special Boiler Steel Plate |
| Situation | Brand New | Warranty | 1 Year |
| Brand Name | Dehai Boiler | Model Number | Reheater |
| Certification | ISO9001 , SGS , ABS , ASME | Place of Origin | China |
| High Light | reheater in power plant ，water reheater | ||
Thermal Power Station superheater and reheater coil energy saving ISO 3834 Certificate
Boiler Superheater and Reheater in Thermal power plant
1. A thermal power station is a power station in which heat energy is converted to electric power. In most of the places in the world the turbine is steam-driven.
2. Water is heated,turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; this is known as a rankine cycle.
3. The greatest variation in the design of thermal power stations is due to the different heat sources; fossil fuel dominates here, although nuclear heat enery; solar heat energy, biofuels and waste incineration are also use.
4. Some prefer to use the term energy center because such facilities convert forms of heat energy into electrical energy.
5. Certain thermal power stations are also designed to produce heat energy for industrial purpose, or district heating, or desalination of water, inaddition to generating electrical power.
Superheater and reheater Description
1. Superheaters and reheaters in utility boilers increase the temperature of saturated or near-saturated steam in order to increase the thermodynamic efficiency of the power cycle or to provide the desired process conditions.
2. In general terms, they are simple single-phase heat exchangers with steam flowing inside the tubes and flue gas passing outside the tubes, generally in crossflow.
3.The key criteria in the design of these heat exchangers are:
What is use of a reheater in a thermal power plant?
1. High pressure steam is expanded in turbine, moisture content of exhaust steam increases, which creates problem at exit end blades.
2. So reheat type turbine is most commonly used for large capacity turbine using high pressure steam. Steam after expanding at HP Turbine is sent to boiler for further heat addition or reheat.
3. This steam is called as cold reheat. Cold reheat is heated at reheat is then sent to IP/LP Turbine where it expands further.
4. Single and double reheat turbines are commonly used for power generation.
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. |
Tube connection
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
30,000,000.00-50,000,000.00
Employee Number:
300~500
Ecer Certification：
Active Member
Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is... Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is...
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