F - Mech Eng,Light,Heat,Weapons – 28 – G
Patent
F - Mech Eng,Light,Heat,Weapons
28
G
F28G 1/16 (2006.01) B05B 1/02 (2006.01) B08B 5/02 (2006.01) F28G 3/16 (2006.01)
Patent
CA 2155764
A nozzle suitable for use with a device for removal of deposits from contaminated surfaces, such as a sootblower in a heat recovery boiler, is designed to avoid normal shock wave formation, and hence energy dissipation, by achieving a condition whereby, the emergent steam pressure (pe) is related to the ambient pressure (p?) by the relationship pe/p? < about 2, preferably about 1. A compact design achieving this result and able to function over a wide range of flow rates comprises a cylindrical body (32) with a downstream convergent outlet (38) and a rounded-head insert (40) located axially in the body with its maximum dimension generally coinciding with the commencement of convergence of the outlet and extending through the outlet.
Cormack Donald E.
Jameel Mohomed Ishaq
Tran Hoc Nghia
Cormack Donald E.
Jameel Mohomed Ishaq
Sim & Mcburney
Tran Hoc Nghia
LandOfFree
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