초록 ▼

Equipment is provided having a distillation tank with a heater and a vapor offtake, with a condenser receiving the offtake vapor and delivering liquid condensate. A control system provides safety features including pressure and temperature responsive devices operative to shut off the heater and furt

Equipment is provided having a distillation tank with a heater and a vapor offtake, with a condenser receiving the offtake vapor and delivering liquid condensate. A control system provides safety features including pressure and temperature responsive devices operative to shut off the heater and further including means for shut off of the heater when the tank is being filled. Still further provision is made for shutting off the heater under the influence of a float valve associated with the condensate discharge line and operative to shut off the heater under the influence of rise in level of condensate in the receiving vessel.

대표청구항 ▼

Equipment for cleaning solvents comprising a distillation tank having a heater and a vapor offtake, a power circuit for operating said heater, a filling funnel in fluid flow communication with the upper portion of the distillation tank and having a displaceable lid, a vent connection in fluid flow c

Equipment for cleaning solvents comprising a distillation tank having a heater and a vapor offtake, a power circuit for operating said heater, a filling funnel in fluid flow communication with the upper portion of the distillation tank and having a displaceable lid, a vent connection in fluid flow communication with the upper portion of the distillation tank and having a shut-off valve, and means interconnecting the lid and said shut-off valve and providing for opening of the shut-off valve when the lid is displaced to open the filling funnel.