Distilling unit

Details Distilling unit Distilling unit

1980-05-01

1981-12-01

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

137217, 203DIG2, 422103, B01L 1100

Patent

active

043036147

ABSTRACT:
A distilling unit for distilling a sample wherein the distillate is passed in a closed system into a receiver, comprises a heatable distilling vessel, a spray or splash protection means, a condenser and a distillate discharge pipe which dips into liquid in the receiver. In order to ensure that, when the distilling operation is interrupted after a predetermined period of time, the liquid is not sucked back into the apparatus by the vacuum which is formed, the distillate discharge pipe has a non-return valve which vents the apparatus when there is the slightest reduced pressure. In this way, the conventional support plate no longer has to be lowered by expensive lifting means, as hitherto.

REFERENCES:
patent: 1104869 (1914-07-01), Bowser
patent: 2573807 (1951-11-01), Piros et al.
patent: 2891565 (1959-06-01), Mackey
patent: 3103471 (1963-09-01), Asami
patent: 3219551 (1965-11-01), Carel et al.
patent: 4098581 (1978-07-01), Kraft et al.
Buchi 325/345/430 Kjeldahl Method-Nitrogen Deter. Systems (Product Bulletin).

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