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Technical Paper


www.ireng.org


Catalyst Cooler Vessel Lift-pot Riser


Stand-pipe


-


25 25 25


125 125 125 125


MW 140 (VC) castable with V-anchors ] Dense 120(ER)


] castable with: Speed Cells or ] Speed Hex’s or Hexmesh


Summary of EQUIPMENT


Power Recovery [PRU] Lines


Orifices Two port slide valve Valve disks


CO-line by-pass CO-line to boiler


Lining thickness HW


25 25


25 19/25 CW


100 ~


100 -


100 + 25 100 + 25


H (Hot wall) ] Dense 120(ER)


] castable with Speed Cells or ] Speed Hex’s or Hexmesh. ] ]


-- --


LW110-L + Dense 120 (ER) castable with Speed Cells-on-studs, Hexmesh-on- studs.


Refractory Materials C (Cold wall) Dense 150(VC) castable with V-anchors


CO-Boiler Gas box


Burners Radiant cell


100+25


115 75


--


Group HA58 bricks. Dense 130 castable


Explanation: Material classification in accordance with EN-ISO 1927 and EN-ISO 10081-1; dimensions in mm.


ER = (Extremely) Erosion Resistant castable/mouldable VC = Vibratable castable HA = High Alumina brick (I)FB = (Insulating) firebrick Speed Cell = registered trademark of Silicon, NL Speed Hex = registered trademark of Silicon, NL


The refractory materials, lining thickness and armour systems listed above are based on the practice and experience in operations of [L/R]-FCCU equipment. However, the refractory specification should be tailored to the


requirements for individual parts of [L/R]-FCCU equipment and should therefore be included in the equipment specifications.


Detailed specifications and design requirements of the refractory materials can be found in and shall be in accordance with the relevant Manufacturer’s recommendations.


In general terms distinction is also made in the table between a so-called "Hot wall" and "Cold wall" design. Generally, the figures indicate the lining thickness for those wall constructions. However, the final choice of the thickness shall depend on the specific requirements for operation and shall be supported by calculations and detailed engineering of the individual equipment parts.


V-anchors Description of operation


Break out of 'old' steel parts and refractory material: a.] Regenerator wall


b.] Regenerator cyclones and cat. piping c.] Reactor lift-pot, riser, and cyclones


Transport into position Positioning and marking Forming operations Welding ## Hexmesh


(short, suitable for stud welding)


~16 mh/m2 ~20 mh/m2 ~60 mh/m2


Very difficult Very difficult


Required Difficult


Approx. 12 m'/m2 ## Figures are aggregate weld length in each square metre of applied system 22 ENGINEER THE REFRACTORIES May 2019 Issue


~6 mh/m2 ~8 mh/m2 ~12 mh/m2


Very easy Very easy


Adjusting pre-shaped prongs [moderate]


Approx. 4 m'/m2


Speed CellTM Speed Hex®


# #


~6 mh/m2 ~4 mh/m2 ~8 mh/m2


Very easy Easy None Approx. 4 m'/m2


LW110-L + Dense 120 (ER) castable with Speedcells-on-studs or Hexmesh-on- studs


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