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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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Check for the orientation of holes in blow down pipe. The importance of this technology has grown recently because of tightened environmental regulations for pollutant emission. Front loose tubes 8 to 10 nos. While lifting the header, use a tag line to control the load movement of header. The work will culminate with the erection of the pedestrian bridge over the rail corridor, to be carried out during a special weekend possession of most of the tracks in the rail corridor, followed by completion of the bridge internal finishes and completion of construction of the access ramps on the North Eveleigh Plaza and the Australian Technology Park The purpose of generating this Method Statement is to define the procedure step by step to implement the correct practices for Installation of Diesel Generator Set through the guide line contained herein so as to ensure that the job execution complies with the requirements and serves the intended function to satisfactory level.

Clean the weld edge preparation and apply weldable primer and fix all end caps. Skip to content Quick inquiry: After completion of front tubes with inlet header erection, rigging arrangement is shifted to rear side-ceiling structure.

The Reheater is normally hydro tested separately at the recommended pressure. Between loose front waterwall tubes above front upper panel and below radiant roof.

cfbc boiler erection method statement – CFBC Boiler

Both the front headers joints are welded simultaneously. Reheater Manjal coils verticality is to be checked by keeping a platform below furnace after completion of Rear Arch Front tubes erection. Our CFB boiler technology allows for a wide range of fuels to be burned efficiently. To enable the inside inspection of the boiler, the interior has to be equipped with suitable scaffolding for inspecting the elements, walls, tubes and welds.


The leveler channel shall be rigidly connected at one end and guided at the other end. Individual piece of ring header is erected over the temporary brackets welded in the columns with the help of 2 Nos.

Electrical Conductivity at 25 deg C Less than 0. Before closing the manhole door, see that manhole door gasket is in perfect condition. 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. Monitoring of construction schedule, daily construction plan, method statement etc.

Erect the Economiser outlet header and support with hanger tubes after checking the header alignment. Stirrup plates are pre-assembled with top and bottom angle as shown in Fig No.

While assembling the panels, ensure that this pitch tolerance is not cumulated. Field to align panel edge bars, not tube centers in wall assembly.

cfbc boiler erection method statement

Fix the lifting and guide pulleys according to site condition. Standard boiler mwerection manual boiler … This manual will help you to technical details required during erection of mw boiler.

The buckstay does not expand. If it is not possible to accomplish this, the hydro test may be conducted twice, once for drainable portion and another full hydro test including non-drainable portion. Method – III Both inlet and outlet header suspension and roof tube suspensions are suspended from ceiling structure. A – Presetting for that particular suspension depends on ‘ 0 ‘ D – Distance from origin of expansion X – Distance of the pressure part component that is suspended from reference structure.

These checks can be made before drum erection also. First pass radiant roof can be erected in there different methods. BHEL is a leading manufacturer of mechanical and electrical Since India’s demand for energy is growing rapidly, coal-fired … Thu, 16 Aug Approach for all pulley blocks and rocker plates shall be ensured. Keep 3mm clearance for the guides to move down without any obstruction for boiler expansion. Header is provided with orifice adopters which are welded at shop.


Cable trench and supports shall be painted and ready for permanent installation of Equipment and properly connected for main earth grid of the system. One-inch wire rope on winch will be connected to both the 6 shieve pulleys through guide pulleys.

Support rods are adjusted to get the proper alignment of tubes. Jun 18, This manual will help you to technical details required during erection of mw boiler. This is to prevent carry over of suspended impurities into the superheater. Temporary binders are removed and support lugs on tubes are welded with the end bars at the location shown in the drawing Radiant roof tubes are erected after the erection of all top headers, suspensions, S H links and end bar assemblies.

This includes low-grade and difficult-to-burn fuels such as anthracite, lignite, petroleum coke, oil shale, discarded coal, and biomass within a wide range of mixing rates.

THERMAL POWER PLANT A-Z: cfbc boiler an introduction

Refer C C pump erection procedure. Sponge test is to be carried out for the Eco coils.

Grinding Plant Erection Manual – patrizia-karda. Once the test pressure is reached the responsible person watching the test gauge shall give orders to stop the test pumps immediately and erecction cut off the electric connections. Fabricate an anti deformation frame as shown in Fig. Pre-assembled stirrup and angle assemblies are inserted over the furnace side flange of the buckstays beam.

Appendix D Construction Method Statement – hbp. Bottom ring header supplies water to various water wall tubes. The Applicant intends to enter into two primary agreements for the construction of the Project including an agreement for the supply, erection and commissioning of the wind turbines as well as an Engineering. Time V s Xfbc graph can be plotted. Si0 PPM 2 Less than 0. All butt joints in Pressure parts are to be done cfcb TIG root welding.

Weld the upper Eco coil terminal tube connection with the header stubs.