| 摘要 |
<p>1440228 Prilling apparatus NORSK HYDRO AS 12 July 1973 [8 March 1973] 33365/73 Heading B5A [Also in Division B2] A prilling container 1, rotated about its vertical axis, has vertically spaced zones of spraying orifices arranged in its wall, and each zone is fed separately with liquid in an annular stream. The liquid is fed into the container through a series of coaxial tubes 4 and is emitted therefrom as annular streams into spray zones 5-8. The container may be cylindrical and the tubes frusto-conical. Each liquid stream may be separately controlled; one or more of the tubes may be rotated about its axis in the same or opposite direction to that of the container.</p> |
