bed coil afbc boiler leakage reason

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :bed coil afbc boiler leakage reason
  • Supply Capacity : 10 units/month :bed coil afbc boiler leakage reason
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

Leave Your Message And Get Price!

I need the quotation of , the fuel is , this capacity is , use for . My Name is , my Email is , my WhatsApp is , Please Send the detail information for me!

Popular products

HOT

θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

consult
HOT

Gas(oil) Fired Integrated Hot Water Boiler

Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

consult
HOT

H6 Gas Fired Hot Water Boiler

Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.

consult
HOT

T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.

consult
HOT

V6 Gas Fired Hot Water Boiler

Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

consult
HOT

Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy

consult

Leave us a message

We will send out plans and quotations within five minutes

Name (optional)

Email

Whatsapp

Choose product type

Message

boilermanufactory

Get display discount

boiler
Contact us

Global Sales Hotline:
0086-371-60922096

Email: [email protected]

Voicemail
  • Co-Generation Using Rice Husk in ABC Paper Punjab

    At present the Project for the installation of 2x3 MW TG with 2 Nos. AFBC Boiler. capacity SlIper-heater coil leakage Too much-Nil Scaling inTurbine ,duetowhich super-Yes, PRDS heated steam temp- 525°C Super heater coil Yes Removed Againputincircuitwith modification Mix Bed--New M.B.installed for better quality of DM water Si0 2 & P0 4 Get Price

  • boiler bed coil erosion - sr-plomberie.fr

    Sep 14, 2016· • Expand bed height for AFBC boiler is to be maintained 500 to 600 mmwc. • FD air discharge pressure is to be maintained 600 to 650mmwc • Wind box or air box pressure is to be maintained 500 to 600mmwc High W.B. pressure increases the erosion of bed coils & low WBP affect fluidization. 4. 4 2.Get Price

  • boiler bed coil erosion - sr-plomberie.fr

    Sep 14, 2016· • Expand bed height for AFBC boiler is to be maintained 500 to 600 mmwc. • FD air discharge pressure is to be maintained 600 to 650mmwc • Wind box or air box pressure is to be maintained 500 to 600mmwc High W.B. pressure increases the erosion of bed coils & low WBP affect fluidization. 4. 4 2.Get Price

  • Preventing Tube Failures In Fluidised Bed Boiler

    Failure Analysis of Bed Coil Tube in an Atmospheric Fluidized Bed … 2013/11/13 · The bed coil tube of AFBC boiler operated for about 1,000 h has the dimensions of 51.0 mm OD and 7.0 mm thickness. The fuel used in the boiler is coal of size 6 mm. In the AFBC system, the water from the boiler drum is made to run through six down comers.Get Price

  • Regn No: Name

    In an FBC boiler with low ash fusion coal, if the bed temperature exceeds 950°C, the result is: a) Low steam temperature b) clinker formation c) Melting of lime stones d) Ash carry over 47. Electrical energy consumption for coal sizing will be maximum for …Get Price

  • An overview of problems and solutions for components

    Dec 21, 2017 · In Atmospheric Fluidized Bed Combustion Boiler (AFBC), crushed coal of size 1–10 mm is supplied to the fluidization media. As the temperature of furnace becomes equal to the ignition temperature of the coal it starts burning. Coal supply is also controlled so that the temperature of the fluidized bed can be kept between 750 and 850 °C.Get Price

  • AFBC ( Atmospheric Fluidized Bed Combustion ) BOILER …

    The leakage developed through a pin hole in the groove portion where the material is continuously removed by the caustic action. A recall of the past CORROSION FAILURE DUE TO CAUSTIC TOP OF TUBE IDLE COMPARTMENT Caustic gouging is related to loss of metal by caustic concentration mechanisms or by gross deviation in water chemistry.Get Price

  • BOILER QUESTION AND ANSWER: What is the logic behind tha

    Aug 28, 2014 · if id trip it is nssry that all equipment should be trip like pa & fd coz if they didnt trip they may be reason of furnace blasting..just because of air pressure inside the furnace which will increse by pa & fd & if this pressuse didnt release than it is the reason of furnace blasting so this is important interlock of boiler.Get Price

  • INTRODUCTION TO BOILER - 123seminarsonly.com

    agricultural wastes. The fluidized bed boilers have a wide capacity range- 0.5 T/hr to over 100 T/hr Atmospheric Fluidized Bed Combustion (AFBC) Boiler : Most operational boiler of this type is of the Atmospheric Fluidized Bed Combustion. (AFBC). This involves little more than adding a fluidized bed combustor to a conventional shell boiler.Get Price

  • Atmospheric Fluidised Bed Combustion Boilers for …

    The reason for the inner coil to fail is the heat flux and its outlet arrangement. The outer tube gets little more heat. The inner coil length is 1516 mm and the outer coil length is 2162 mm. The steam generation in the outer coil is more. This can obstruct the flow rate in the inner coil due to arrangement of stubs in the bed coil outlet header.Get Price

  • Boiler Operation - SlideShare

    Sep 14, 2016 · • Expand bed height for AFBC boiler is to be maintained 500 to 600 mmwc. • FD air discharge pressure is to be maintained 600 to 650mmwc • Wind box or air box pressure is to be maintained 500 to 600mmwc High W.B. pressure increases the erosion of bed coils & low WBP affect fluidization. 4. 4 2.Get Price

  • Preventing Tube Failures In Fluidised Bed Boiler

    Failure Analysis of Bed Coil Tube in an Atmospheric Fluidized Bed … 2013/11/13 · The bed coil tube of AFBC boiler operated for about 1,000 h has the dimensions of 51.0 mm OD and 7.0 mm thickness. The fuel used in the boiler is coal of size 6 mm. In the AFBC system, the water from the boiler drum is made to run through six down comers.Get Price

  • Boiler trouble shooting guide- K.K.Parthiban by K.K

    Dec 16, 2010 · Art of Bed Management in AFBC Boilers. 27. Thermal Expansion of Boiler. 28. Visit to Penthouse. 29. Troubleshooting water carry over in …Get Price

  • Safe Operation and Explosions in Boilers

    Dec 11, 2015 · PRIMARY AIR PRESSURE P.A. fan air header pressure for AFBC boiler is to be maintained 1000 to 1150 mmwc. Difference of primary air pressure & F.D. wind box pressure is to be maintained approximately 500 mmwc. NOTE: High P.A. pressure increases the bed coil erosion and carryover to enhance secondary combustion. 6.Get Price

  • Power plant maintenance: 2017

    Jul 17, 2017 · After the water is converted into steam in the boiler it passes through the superheater coil, more tubes are exposed to the flue gases to increase the temperature of steam. secondary seal will protect the leakage.The secondary seal is used only for additional protection AFBC and Fire tube boilersGet Price

  • Caustic gouging in bed tubes of high pressure AFBC boilers

    AFBC ( Atmospheric Fluidized Bed Combustion ) BOILER COLD START …Get Price

  • reason for tube failure in fbc boiler

    Thermal fatigue failure in a FBC boiler. Aug 09, 2019· Thermal fatigue failure in a FBC boiler 1. THERMAL FATIGUE FAILURE IN BED EVAPORATOR TUBE OF AN AFBC BOILER By K.K.Parthiban, B. Tech(IIT-Madras), M.E Thermal Engineering- RECT Trichy This paper is about a repetitive evaporator tube failure experienced in …Get Price

  • NATIONAL CERTIFICATION EXAMINATION 2005

    In an FBC boiler with low ash fusion coal, if the bed temperature exceeds 950°C, the result is: a) Low steam temperature b) clinker formation stoker fired boiler b) AFBC boiler c) CFBC boiler d) pulverised coal boiler . Paper 2 6 41. Run Around Coil type 44. Corrosion in stack, Air Pre-Heater, Economizer is mainly influenced by _____ Get Price

  • AFBC Boiler O&M | Ph | Titration

    Almost, all Atmospheric Bubbling FluidIsed Bed Combustion Boilers (AFBC) use the bed evaporator (Bed coil) tubes as the mode of extracting heat from the bed to maintain the bed temperature. The Boiler components are categorised mentioned below. 1.0 BOILER PRESSURE PARTS The complete system of boiler pressure parts covers - Steam drum / Mud drum.Get Price

  • INDIAN PULP & PAPER TECHNICAL ASSOCIATION

    Boiler House –New screw Air compressors in place of reciprocating Air compressors 1.17 26.0 - Primary ETP Washer drives 1 & 2 – Replacement of Dyno drives with VFD 0.163 3.629 - Boiler –11 TA Fan –Replacement of DOL starter with VFD 0.432 9.6 - PRDS –1 leak off steam diverted for RO water heating 3.256 - 486 Project with minimum Get Price

  • Boiler Efficiency - an overview | ScienceDirect Topics

    Boiler efficiency is a measure of the goodness of the chosen process and equipment to transfer combustion heat to the heat in steam. Boiler efficiency can be defined as the ratio of the useful heat output to the total energy input. (3.1) η = Q abs Q in. where. η is boiler efficiency.Get Price

  • (PDF) A Review paper on Erosion and Corrosion behavior of

    Fig. 1: Corrosion of Bed Coil of Boiler Introduction atmospheric fluidized bed combustion (afbc) boiler Atmospheric fluidized-bed combustion (AFBC) boilers offer efficient, cost effective and reliable steam generation. AFBC technology promises to provide a viable alternative to conventional coal-fired and other solid fuel-fired boilers.Get Price

  • What is the function of cyclone in cfbc boiler? - Answers

    Feb 27, 2012 · The boiler in which fluidisation and combustion is done in the bed with the help of (pa,sa&ta)air and ash(un burnt particle) is re-used through …Get Price

  • A case study on shut down audit of AFBC Boiler

    About the boiler The fluidized bed boiler parameters are 50 TPH, 66 kg/cm2 g, 490 deg C and feed water temperature is 140 deg C. The boiler is of single drum design with bed SH, radiant SH, convection SH, economiser, air preheater and ESP. The boiler is supposed to have been designed for many load combinations as below.Get Price

  • Challenging situations & troubleshooting during Boiler

    Jan 19, 2021 · 10-Main steam line hammering. Steam line hammering is the phenomenon when steam & water mix at high pressure. Water hammer is a pressure surge or wave caused when a fluid (usually a liquid but sometimes also a gas) in motion is forced to stop or change direction suddenly (momentum change).Get Price

  • THERMAL FATIGUE FAILURE IN BED EVAPORATOR TUBE …

    Oct 12, 2013 · The major reason is caustic gouging in bed tubes of these high pressure AFBC Boilers. Corroision in the boiler is prevented by maintaining the boiler water condition in such a way that the magnetic layer is maintained.Boiler water has to be at Ph 9 to 10.2 in order to preserve the magnetic layer of steel.Get Price

  • Purpose Of Bed Coil In Boilers

    4.8 Bed coil immersion area Fluidised bed without bed coil makes the start up easier. This is due to the fact that during start up, the heat released by the charcoal partly goes to bed coils. Depending on the fuel to be fired the bed coil area is provided. In agro waste fired boiler the bed coil required would be less as compared to coal firing.Get Price

  • Preventing Tube Failures In Fluidised Bed Boiler

    Failure Analysis of Bed Coil Tube in an Atmospheric Fluidized Bed … 2013/11/13 · The bed coil tube of AFBC boiler operated for about 1,000 h has the dimensions of 51.0 mm OD and 7.0 mm thickness. The fuel used in the boiler is coal of size 6 mm. In the AFBC system, the water from the boiler drum is made to run through six down comers.Get Price

  • THERMAL FATIGUE FAILURE IN BED EVAPORATOR TUBE OF …

    Up to10%cash back · Nov 13, 2013 · To summarize, the bed coil tube of AFBC boiler had failed due to internal corrosion specifically by caustic gouging nature due to the presence of sodium compounds in the internal deposits and material wastage from internal surface.Get Price

  • Boilers and Boiler Components – Boilers | Economisers

    Atmospheric Fluidised Bed (AFBC) Boilers These boilers are efficient, flexible with regards to fuels, easy to operate and maintain, and involve low initial and maintenance costs. They comprise of membrane panels, studded inbed coils, watertube shell …Get Price

Discount
7X24 Online