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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Carbon Steel Coils Superheater And Reheater Nickel Base Process For CFB Boiler ASME

Zhangjiagang HuaDong Boiler Co., Ltd.
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Zhangjiagang HuaDong Boiler Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Tel: 86-512-58666196
Contact Person:
Miss Sandy Chen

Carbon Steel Coils Superheater And Reheater Nickel Base Process For CFB Boiler ASME

Brand Name : HD Boiler
Model Number : Superheater and Reheater
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : China
MOQ : 1Set
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 1500 Tons / Month
Delivery Time : 30 Days
Packaging Details : Seaworthy Packing
Fuel : Coal/Gas/Oil-fired,Water Heat
Type : Coils
Pressure : Low/High Pressure
Range of Applications : Industry/Power Station
Specification : Customized
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Carbon Steel Coils Superheater And Reheater Nickel Base Process For CFB Boiler ASME


Product Function


1.The function of the superheater in the thermal power plant is to remove the last traces of moisture ( 1 to 2%) from the saturated steam coming out of boiler and to increase its temperature sufficiently above saturation temperature.


2.The super-heating heating raises overall overall cycle efficiency efficiency as well as avoids too much condensation in the last stages of the turbine which avoids the blade erosion.


3.The heat of combustion gases from furnace is utilized for the removal of moisture from steam and to superheat the steam.


4.Super-heaters usually have several tube circuits in parallel with one or more return bends, connected between headers.


1.The function of the re-heaters is to resuperheat the partly expanded steam from the turbine.

This is done so that the steam remains dry as far as possible through the last stage of the turbine.


2.Location: Before or after the convective superheater in the convective zone of utility boilers. In modern high pressure boilers, reheaters are generally in two sections.


3.The primary section is placed in the convective zone and secondary section is placed just at the furnace exit hanging from the top.


4.The design consideration for reheaters are similar to those for superheaters.


5.It having same output temperatures but steam pressures are about 20-25% of those in superheaters. Hence lower grade steel alloy can be used for reheaters.


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.


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.


Details


1Material compositionCarbon steel, alloy steel or heat-resistant steel, collection boxes and other supporting material. Tubes are customized types of specifications.
2Design patternVertical or horizontal layout.
3AdvantagesBeautiful appearance, size, accuracy, first-class bending and welding technology, first-class detection equipment.

Design structure

1. heating saturated steam, temperature up to 900 degree C.


2. high efficiency, >90%.


3. high speed heating.


4. design with stainless steel.


5. long design service life, 15 years.



Send us required technical data, such as steam capacity, presure, required temperature etc. We will design accordingly.


HD Boiler offers a best in class facility,including

  • Fabrication area of 200,000 square meters
  • 150 Engineers
  • 600 Coded welders
  • 60 Licensed Inspectors (including NDT level-lll instructors)
  • Grade-ALicenses for Design and Manufacture boiler (issued by the State Administration of Quality Supervision and Inspection)
  • ISO 90001:2008 Quality System
  • ASME Certificate of Utility Boiler
  • ASME‘S’ , ‘U’ and NB stamp authorization


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Carbon Steel Coils Superheater And Reheater Nickel Base Process For CFB Boiler ASME Images

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