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Monday 4 March 2013

PRESSURE PARTS ( FURNACE AREA) FOR BOILER.

The Economiser outlet connection are made with the furnace inlet headers. The total furnace

system consits of the following system.

a. Furnace wall inlet headers -------------  Front , Rear and sides.

b. Furnace inlet loose tubes  --------------  Front and Rear.

c. Furnace Hopper Spiral wall ------------- Front ,Rear and sides.

d. Furnace Hopper to  Spiral wall  Transition -------------  Front , Rear and sides.

e. Furnace wall Spiral ------------------------ Front , Rear and side attachments.  

f. Furnace wall Transition panels ---------- Front , Rear and sides including  spiral & vertical

   fittings and forged fitting used  for  transition.      

g. Furnace wall intermediate headers ----------------- Front and Rear.



h. Furnace vertical wall ----------------------------------Front and sides.

i. Furnace wall rear arch tube panels and Furnace rear hanger tubes.

j. Furnace vertical wall outlet headers ---------------- Front , rear and sides.

k. Burner Tubes bundles at four corners.

l. Sofa panel on the side walls.

m. Furnace outlet riser pipes to seperator.------------------- Front , rear and sides.

n. Rear Arch Supports  ( Special for once through Boiler)




A picture of pressure erection is added to explain some basic points. This is Sprial panel with

transition header pre-assembled and lifted . You can see the vertical Panel on the top . Vertical

panel got assembled with loose tubes and header .  Also notice the Y shape alloy steel plate for

supports. This plates are fitted during pre -assembly of panel and  keep the continuty of the plate

during susequent panel fitting. Header is 60 + elevation.



Same panels are getting positioned at respective elevation and giving a birds eye view  for furnace

formation.

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1 comment:

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