Apparatus for cooling a hot product gas

Details Apparatus for cooling a hot product gas Apparatus for cooling a hot product gas

1985-07-18

1989-10-17

Ford, John

Heat exchange

Structural installation

1651341, 34 13, 34 20, 48 77, 48 87, 48DIG2, 48210, 196140, 196133, 422207, F28F 1900, C10J 368, F28D 2100

Patent

active

048740373

ABSTRACT:
An apparatus for cooling a hot product gas, the latter is passed through a tubular zone. The product gas contains particles which, on entering the tubular zone, are tacky, but lose their tackiness through cooling in said zone. Within said zone a cooling gas flow forms a gas wall, which prevents contact between the product gas or the tacky particles contained therein, and one of the fixed walls in the tubular zone. Thus within an outlet connection (2) forming the tubular zone is provided an anular insert (3), which forms a gap (4) with the outlet connection. A cooling gas is blown into this gap counter to the flow direction of the product gas. At the end of the insert, this cooling gas is deflected by the product gas and flows within the insert in the same direction as the product gas and protects the inner wall of the insert from the latter. This product gas is cooled to such an extent by the action of the cooling gas that the particles in the product gas have lost their tackiness at the outlet-side end of the insert.

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