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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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The locations of Pressure part components and assemblies are also indicated in the figures. Complete the erection and welding of waterwall supply tubes with rear waterwall and extended side inlet header.

Check particularly around furnace bottom for interference from movements of boiler. Tightening of the bolts are done as per the procedure given by pump supplier. Remember me on this computer. Extreme S H screen tubes and S H extended steam cooled wall. Connect the hanger rod with the header lug using the erechion.

Complete the erection and welding of Eco outlet header to drum links including permanent support. Bharat Heavy Electricals Limited. Item A has to be welded to item B after pouring castable refractory inside the seal box refer Fig.

After installation of orifice assembly in one Header, Cover plate is provided around section of orifice assembly. For quality of Treated water, Refer T a b l e – 2. Bhel Manuals Boiler – stubvibiri.

This is to accommodate the expansion of wall. Dfbc of wire ropes shall be checked and free movement ensured. Parts vfbc accepted and signed by Boiler Inspector. Impeller is mounted on the extended shaft of motor. No glittering to tyndal effect. Manuql four drum-lifting wire ropes shall be physically checked for any damages. These holes are to be in the direction opposite to chemical dosing pipe.

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boiler erection manual bhel

Radiant roof consists of nos. Each discharges of the pump is provided with the elbow down stop check valve in the discharge lines.

Arrest the header as shown in the fig. Before the erection of Rear waterwall all Reheater coils are cfbcc be erected.

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While dismantling drum internals at site, match marks to be made so drection same sub assembly component is fitted in the same place during re- assembly.

S H front wall inlet header. Preassembled panels are erected with the help of winches. Circulating fluidized bed is a relatively new technology with the ability to achieve lower emission of pollutants. Erection Procedure for Boiler Structures. The capacity, boiper of shieve pulleys, lifting wire rope diameter and guide pulley location are to be decided at site based on the weight of the header and position of the lifting winch. During the period of raising, holding and releasing mabual test pressure, the entry to the boiler house is prohibited for all persons not participating in the pressure test.

cfbc boiler erection method statement

The coil load is to be transferred to crown plate by providing a temporary rest bar as shown in Fig: I need the quotation of -Please select product- Steam Boiler Hot Water Boiler Industrial Autoclavethe fuel is not for autoclavethe pressure isthe capacity isused for.

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For typical “Test pressure gauge range” refer table I. The following method statement is written to provide a safe and efficient system of work for the installation of general working scaffold to all areas of construction sites both internal and external. Crushing Plant Erection Method Statement – manhar. Two winches are used to erect the tubes with header. Pre-assembly of Buckstay Refer: Bottom ring header supplies water to various water wall tubes. Header is provided with orifice adopters which are welded at shop.

One of the winch wire rope is connected to the temporary channel through the pulley blocks connected at ceiling structure and other winch wire rope is connected to the header.

Hose down internally, the pump case, the valves and adjacent piping, to ensure the removal of all loose debris. But the supporting structures to be seal welded to the drier base angle as per arrangement shown in Fig. Ereftion 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.

Alternate power supply shall be kept ready. Header lugs must be used for lifting as shown in the Fig. Caps shall be left on tubes and links until final fit up and welding. Orifice assembly is installed in the ring header after completion of steam blowing activity.