Draw-off device for use in a vacuum distillation column comprising a layer of horizontal gutters (17) provided with heat-insulating means in the form of a second wall (25) arranged in the gutters (17) to reduce condensation of vapour passing along the outer walls of the gutters (17).
申请公布号
EP0382317(A2)
申请公布日期
1990.08.16
申请号
EP19900200281
申请日期
1990.02.07
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
HAMER, JOHANNES ALBERTUS;VAN DER HEIJDEN, PIETER;HOEK, PIETER JAN
