| 摘要 |
1276054 Spray producers MARLEY CO 20 July 1970 [1 Aug 1969] 35065/70 Heading B2F [Also in Division F4] In an induced draught cross flow cooling tower 22, water to be cooled is uniformly distributed onto the tower packing 28 by a plurality of nozzles 20 located in apertures 42 in the bottom of a water distributor chamber 32. Each nozzle structure 20 comprises an outer cylindrical jacket 46 adapted to receive a metering cylinder insert 56 whose size is selected in accordance with the flow rate requirements of the tower. Below the insert 56 is a water diffusion target 70 supported by means of a member 72 integral with the outer jacket 46. The target 70 comprises a plurality of arcuate petal-shaped segments 82 separated by equally spaced arcuate slots 80. The water column flowing through the metering cylinder 56 impinges on the upper face of the target section 74 and is broken up into an umbrellalike pattern (86, Figs. 2 and 3). Retainers in the form of triangular tabs 68 are provided on the outer face of the jacket 46 for releasably maintaining the nozzle in aperture 42. Slots 60 in flange 54 of metering insert 56 are adapted to receive protuberances 62 projecting upwardly from annular flange 48 of jacket 46. The nozzle structure may be made of synthetic resin.
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