Runoff tongue for fluid flow divider

Details Runoff tongue for fluid flow divider Runoff tongue for fluid flow divider

1996-07-08

1998-03-10

Chambers, A. Michael

Fluid handling

Systems

239193, 261 97, 261DIG44, F15B 100, B05B 136

Patent

active

057250200

ABSTRACT:
Packed columns generate fluid flows which must be evenly divided, preferably over a broad range of fluid flow volumes. Runoff tongues are used to divide and distribute such flows. According to the present invention, each runoff tongue (2) is bifurcated in its lower portion to define two dripoff points (5). Mounted parallel to each bifurcated portion is a guide element (6), preferably of woven or perforated material. Each guide element is associated with a particular fluid outlet opening (3) in an end wall (1). An upper portion (6a) of the guide element extends through the opening (3) in end wall (1) into a fluid-containing zone whose bottom is defined by a seal (4). Preferably, at low-fluid-height states (H1), the guide element feeds fluid through the opening (3) by capillary action, while at high-fluid-height states (H2), direct overflow occurs. In a preferred embodiment, each guide element is semi-cylindrical and contacts the end wall (1) along a laterally central portion (6b) and defines wedge-shaped channels (9) between itself and the wall, which channels (9) serve to reliably conduct fluid to the dripoff points (5).

REFERENCES:
patent: 4267978 (1981-05-01), Manteufel
patent: 4479909 (1984-10-01), Streuber

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