Standard Erection Manual (Supporting Structure) CFBC Boiler structure . This section describes mainly on boiler supporting structural erection up to drum. Over the past two decades, CFB technology—including CFB boiler Standard erection manual (pressure parts) – SlideShare Jun 19, Steam soot blowing system in CFB Boiler convective pass complete with soot trip valves, manual valves, flexible hoses and pipe work for the fuel, erection. All mating flanges and connecting materials at terminal points wherever.

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Electrical Conductivity at 25 deg C Less than 0.

method statement power plant erection

Circulating fluidized bed is a relatively new technology with the ability to achieve lower emission of pollutants. Pre-assembled stirrup and angle assemblies are inserted over the furnace side flange of the buckstays beam. Final inspection before drum lifting: Our CFB boiler technology allows for a wide range of fuels to be burned efficiently. Around 4, tonnes of pressure parts components per unit are despatched loose to the job site by road and rail. After erection completion of all steam cooled walls align the following headers.

C C pump volute is blanked with suitable blanks. The capacity, number of shieve pulleys, lifting wire rope diameter and guide pulley location bouler to be decided at site based on the weight of the header and position of the lifting winch.


Standard erection manual pressure parts – SlideShare Standard erection manual pressure parts Extensive research has been conducted on this technology for the past 10 years because pollution in the world is getting more serious by the day cfhc clean practice will be very crucial for the sustainability of the earth. Complete Boiler Inspector’s ground Inspection of Coils.

After site hydraulic test of the boiler no welding shall be performed in pressure parts. The buckstay does not expand. But the supporting structures to be cfnc welded to the drier base angle as per arrangement shown in Fig.

Bharat Heavy Electricals Limited Crushing Plant Erection Method Statement – cffbc. Inlet and Outlet headers are erected on permanent suspensions. It is preferable to erectionn the hydro test at the one stroke at the stipulated hydro test pressure indicated in the pressure part arrangement drawing.

These loose tubes with mark nos. Connect the hanger rod with the header lug using the pin. Inlet and outlet headers of radiant roof are erected on permanent suspensions as per drawing. For quality of Treated water, Refer T a b l e – 2.

Sponge test for open-end header stubs. Furnace water wall system has been provided with bottom ring header of The end caps are to be removed only at the time of final fit up. This is to accommodate the expansion of wall. The discharge lines are connected to the front bottom ring header. Release the boiler and furnace from all temporary supports.


The major components in pressure parts to be erected are boiler drum, headers, water walls and steam cooled walls, superheater, reheater coils, economiser coils and buckstays.

cfbc boiler erection method statement

Clean the weld edge preparation and apply weldable primer and fix all end caps. Front roof tubs are preassembled with front inlet header and rear roof tubes with outlet header in furnace cavity, Ref.

Check the width and depth of second pass. To ensure that the progressing of work is carried out according to the planned program and as per the approved method of statement.

Wooden piece tied with manila rope may be used below the slings to avoid damages due to slinging. All four drum-lifting wire ropes shall be physically checked for any damages.