DE1893532U - HEATABLE RETURN DIVIDER FOR RECTIFICATION COLUMNS. - Google Patents

Description

Heatable return flow divider for rectification columns

In the upper part of rectification columns are below the Condenser often built-in return dividers, which allow set the forced return as required. The conventional return dividers are magnetically controlled. With these arrangements In the column there is a biscuit core which is expediently fused in glass or plastic and which can be pivoted onto a Funnel or the like acts. The iron core is activated by a timer located outside the column controlled magnet operated.

In many cases it is desirable to also heat the column at the level of the reflux divider. The strength of the magnet is enough generally not enough to work into a double-walled vessel in the jacket of which there is a heating medium.

The demand made is met in a particularly advantageous manner a heatable return divider in a column tube (1), optionally surrounded by a heating jacket tube (2), consisting of a return head (3), a pivotable funnel (5) and a condensate divider (9), the pivoting movement of the funnel (5) is effected by a two-armed lever (15) controlled from the outside.

The arrangement can be seen in the illustration.

The heating jacket tube (2) is drawn over the column tube (1). The return head is located above the actual return divider (3), which is equipped with steam blowers. To return the condensate is used above the pivotable Funnel (5) ending condensate pipe (4). The swiveling funnel (5) rotates with the axis (7) in the guide eyelets (8), which are attached to the upper edge of the condensate divider (9).

The condensate divider (9) runs into the condensate return pipe at the bottom (11), on the other hand into the condensate removal pipe (10) leading out of the column.

The swiveling funnel (5) contains the short guide tube (6) into which the lever (15) protrudes. The lever (15) is in an opening of the column tube (1) and optionally of the heating jacket pipe (2) rotatably mounted and thus designed as a two-armed lever. By lifting the from the column protruding lever arm (17), the swiveling funnel (5) is tilted so that the backflowing condensate through the Condensate removal pipe (10) is discharged; by lowering the swiveling funnel (5) is placed vertically, and the condensate runs through the condensate return pipe (11) into the column return.

The movement of the lever arm (17) can be done by various devices The figure shows a metal bellows (18) which allows pneumatic actuation.

It has proven expedient to mount the lever (15) in the opening of the column tube (1) and, if necessary, of the heating jacket tube (2) by a corrugated membrane (16), in the plane of which the fulcrum is located. An embodiment is advantageous in which the opening of the column into a nozzle (12) opens, on which a threaded ring (13) is cemented. By means of a union nut (14), the corrugated membrane (16), which is screwed onto the lever (15), is vacuum-tight against the Nozzle (12) pressed.

The corrugated membrane (16) is preferably made of a resistant Plastic, e.g. polytetrafluoroethylene. The corrugated membrane (16) allows larger forces to be transmitted, because the device cannot fail even with the settling of product particles.

The new arrangement of the return divider allows both To equip laboratory columns as well as columns of technical dimensions.

-3-

Claims (2)

W-213 820 * 213.64 protection claims 1) Heatable return divider in one if necessary with one Heating jacket tube (2) surrounded by column tube (1), "consisting of a return head (3)> a pivotable funnel (5) and a condensate divider (9), characterized by a pivoting movement of the funnel (5) two-armed, externally controlled lever (15). 2) Heatable return divider according to protection claim 1, characterized in that the lever (15) supported by a corrugated membrane (16) which closes a connector (12) and in the plane of which the fulcrum is located is.