Arrangement and method in soda recovery boiler
AssigneeValmet Technologies Oy
InventorsPiia Niemi, Markku Isoniemi, Tero Juutilainen, Kari Haaga
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Abstract
An arrangement and a method in a soda recovery boiler, in a furnace (1) of which recovery boiler there are arranged screen tubes (7) and which recovery boiler comprises a second pass (9) in which is arranged at least one superheater (4′). The second pass (9) is arranged for being cooled with cooling medium coming from the screen tubes (7).
Claims17
1-14. (canceled)
An arrangement in a soda recovery boiler, in a furnace of which recovery boiler there are arranged screen tubes and which recovery boiler comprises a second pass,
- in which second pass is arranged at least one superheater,
- the second pass being cooled with cooling medium coming from the screen tubes.
A method in a soda recovery boiler, the soda recovery boiler comprising:
- a second pass,
- screen tubes arranged in a furnace and
- at least one superheater arranged in the second pass,
- the method comprising:
- cooling the second pass with cooling medium conveyed from the screen tubes.
Dependencies are inferred from the claim text.