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FAQ Content

This video demonstrates how to use a glove box in the chemistry lab.

The HECHT containment drum discharge station with lance type CFE-L
is used for contamination-free discharging of
drums with inner liner up to OEB 5.
To ensure operator and product protection, the
products supplied in drums are additionally
packed in film also referred to as liner.
The product must be packed in at least
one liner.
Discharging of drums using the suction
lance is suitable in the case of limited
space or weight-controlled removal
of product.
In the case of loss-in-weight systems,
the operator takes the drum via the roller
conveyor directly underneath the glove box.
The drum is positioned by means of the lifting
device.
Then the operator fixes the outer liner at the double O-ring port using a
clamping ring. He removes the residues of the previous liner using the
gloves and temporarily stores them in the glove box.
The drum is then pressed against the gasket at the bottom of the glove box
and fixed using the lifting device. The inner liner (product liner) is opened,
stabilized with a ring and sealed by means of an inflatable seal.
In order to stabilize the liner and facilitate discharging, the area between
drum and outer liner is evacuated, preventing the liner from being sucked
in by the suction lance.
The drum is now connected, and the powder can be sucked out of the drum
by means of a lance and vacuum. The linear guiding of the suction lance
supports the easy handling during discharge. After the drum has been
emptied, the residues of the previous liner can be disposed of in the drum.
As soon as the outer liner has been loosened, the drum is closed by means
of the double closing system as already described.
The empty drum can then be removed and a new cycle can be started.