Importance

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Abstract

The invention relates to a venturi scrubber for dust-laden gases, includes an intake portion (1) whose duct (8) through which the gas flows progressively reduces in size in the direction of flow (5, 6), and a ring duct (13) for a fluid, which is disposed at the largest-diameter end (12) of the intake portion (1) and which is connected over its entire periphery to the duct (13) of the intake portion (1), through which the gas flows, wherein at least one feed conduit (17) for the fluid opens substantially tangentially into the ring duct (13). The duct (13) which is under an increased pressure is connected by way of a through-flow gap (27) to the duct (8) of the intake portion (1), through which the gas flows. The flow gap (27) is so formed and arranged that the fluid issues substantially parallel to the adjoining region of the wall (7) of the duct (8), along said wall. That provides that a thin, uniform film of fluid flows over the wall (7) of the duct (8), and prevents any deposited solid particles from sticking to and caking on the wall (7).

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First Claim