DISPOSITIF DE MESURE DE DISTRIBUTION DE COURANT D'ANODE DE CELLULE ELECTROLYTIQUE D'ALUMINIUM EN LIGNE

DEVICE FOR ON-LINE MEASURING ANODE CURRENT DISTRIBUTION OF ALUMINUM ELECTROLYTIC CELL

Abrégé français

L'invention concerne un dispositif de mesure de distribution de courant d'anode de cellule électrolytique d'aluminium en ligne comprenant un connecteur d'isolation. Un contact de mesure, qui est un conducteur métallique, est disposé sur le côté intérieur du connecteur d'isolation, le côté extérieur du connecteur d'isolation étant fixé sur un dispositif de fixation. Une extrémité du contact de mesure est pourvue d'un fil, et le contact de mesure est fixé au connecteur d'isolation via l'extrémité pourvue du fil. Du fait qu'un écrou de réglage, qui peut être fixé avec une tension réglable, est monté sur une ouverture de bande d'acier concave à l'état complètement ouvert, un côté du dispositif de fixation est complètement ouvert, ce qui assure le montage rapide et réussi du dispositif sur une tige de guidage ; tandis qu'à l'état verrouillé, un espace peut être réglé, ce qui assure un contact étroit entre le contact de mesure et une tige de guidage d'anode. Le dispositif est facilement montable et démontable, ce qui permet de réduire le coefficient d'effet de cellule et de mettre en uvre des économies d'énergie et une réduction de consommation pour le fabricant d'aluminium.

Abrégé anglais

The present invention relates to a device for on-line measuring anode current
distribution of an aluminum electrolytic cell. The device comprises the
following
structures: an insulating connector body which inside is provided with a
measuring
contact and which outside is fixed on a fastening means. The measuring contact
is a
metal conductor, one end of the measuring contact is threaded, and the
measuring contact
is fixed with the insulating connector body via the threaded end. Advantages
of the
present invention are as follows: the present invention is advantages in a
simple structure,
safe operations, a long service life, easy installation and removal, lower
manpower costs,
a reduced cell effect coefficient, and reduced energy consumption of the
aluminum
factory. Since the adjusting nut for fastening and adjusting looseness is
installed at the
opening of the concave-shaped steel strip, in a completely open state the
fastening means
is completely open on one side so that the means can be smoothly and quickly
installed
on the guide rod; a gap can be adjusted in the locked state so as to ensure
close contact
between the measuring contact and the anode guide rod.

Revendications

CLAIMS:
1. A device for on-line measuring anode current distribution of an aluminum
electrolytic cell, comprising the following structures: an insulating
connector body which
inside is provided with measuring contacts and which outside is fixed on a
fastening means,
wherein each of the measuring contacts is a metal conductor, one end of the
measuring
contact is threaded, and the measuring contact is fixed with the insulating
connector body via
the threaded end, the fastening means comprises the following structures: a
concave-shaped
steel strip, and a latch support disposed at an end of one edge of an opening
of the concave-
shaped steel strip, an outside end of the latch support is fixed with an end
of a handle via a pin
shaft, a middle portion of the handle is fixed with one end of a connecting
rod, the other end
of the connecting rod is fixed with one end of a latch ring, and the other end
of the latch ring
is disposed around the other edge of the opening of the concave-shaped steel
strip.
2. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 1, wherein another end of the measuring
contact is of a
truncated conical or elongated shape.
3. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 1, wherein another end of the measuring
contact is of a
conical or spherical shape.
4. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to any one of claims 2-3, wherein the measuring
contacts are
fixedly arranged on the insulating connector body one by one in a direction of
current of an
anode guide rod.
5. A device for on-line measuring anode current distribution of an aluminum
electrolytic cell, comprising the following structures: an insulating
connector body which
inside is provided with measuring contacts and which outside is fixed on a
fastening means,
wherein each of the measuring contacts is a metal conductor, and one end of
the measuring
contact is fixed on the insulating connector body via rivets disposed thereon,
the fastening
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means comprises the following structures: a concave-shaped steel strip, and a
latch support
disposed at an end of one edge of an opening of the concave-shaped steel
strip, an outside end
of the latch support is fixed with an end of a handle via a pin shaft, a
middle portion of the
handle is fixed with one end of a connecting rod, the other end of the
connecting rod is fixed
with one end of a latch ring, and the other end of the latch ring is disposed
around the other
edge of the opening of the concave-shaped steel strip.
6. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 5, wherein another end of the measuring
contact is of a
truncated conical or elongated shape.
7. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 5, wherein another end of the measuring
contact is of a
conical or spherical shape.
8. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to any one of claims 6-7, wherein the measuring
contacts are
fixedly arranged on the insulating connector body one by one in a direction of
current of an
anode guide rod.
9. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to any one of claims 1 or 5, wherein the
insulating connector body
is fixed inside the fastening means via bolts.
10. A device for on-line measuring anode current distribution of an
aluminum
electrolytic cell, comprising the following structures: an insulating
connector body which
inside is provided with measuring contacts and which outside is fixed on a
fastening means,
wherein the fastening means comprises the following structures: a concave-
shaped steel strip,
and a latch support disposed at an end of one edge of an opening of the
concave-shaped steel
strip, an outside end of the latch support is fixed with an end of a handle
via a pin shaft, a
middle portion of the handle is fixed with one end of a connecting rod, the
other end of the
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connecting rod is fixed with one end of a latch ring, and the other end of the
latch ring is
disposed around the other edge of the opening of the concave-shaped steel
strip.
11. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 10, wherein an end of the other edge of
the opening of the
concave-shaped steel strip is bent outwardly.
12. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 11, wherein the handle is H-shaped.
13. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to any one of claims 10-12, wherein an adjusting
means is provided
on the connecting rod running through the handle.
14. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 13, wherein the adjusting means is an
adjusting bolt, an
adjusting pin or an adjustable bearing.
15. The device for on-line measuring anode current distribution of an
aluminum
electrolytic cell according to claim 10, wherein the latch ring is connected
to the connecting
rod in a pin manner.
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Description

CA 02834446 2013-10-28
FPME12140002P
DEVICE FOR ON-LINE MEASURING ANODE CURRENT DISTRIBUTION OF
ALUMINUM ELECTROLYTIC CELL
Field of the Invention
The present invention relates to a current measuring device, and particularly
to a
device for on-line measuring anode current distribution of an aluminum
electrolytic cell.
Background of the Invention
In the past years, on-line monitoring of the process parameters modern large-
sized
aluminum electrolytic cell with a pre-baked anode is a big challenging problem
harassing
the development of worldwide aluminum industry, and it is particular with the
measurement of anode current distribution.
At present, a relatively universal method is that a worker uses an anode
current
distribution fork to periodically detect equidistant millivolt drop on an
anode guide rod to
understand the anode current distribution in the electrolytic cell and thereby
analyze and
judge whether anodes of the electrolytic cell operate normally and adjust the
anodes
operating abnormally. Data acquired by this method are intermittent and cannot
meet
requirements for real-time monitoring of the electrolytic cell. Meanwhile,
this method
is time-consuming, labor-consuming and unsafe in operation.
Summary of the Invention
In order to address the above technical problems, the present invention
provides a
device for on-line measuring anode current distribution of an aluminum
electrolytic cell,
to perform real-time monitoring and accurate control of the anode current of
the
electrolytic cell.
To achieve the above object, the present invention is implemented in a way
that the
device for on-line measuring the anode current distribution of the aluminum
electrolytic
cell comprises: an insulating connector body which inside is provided with a
measuring
contact and which outside is fixed on a fastening means.
The measuring contact is a metal conductor, one end of the measuring contact
is
threaded, the measuring contact is fixed with the insulating connector body
via the
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threaded end, and the other end of the measuring contact is of a conical or
spherical shape.
The measuring contacts are fixedly arranged on the insulating connector body
one by one in a direction of current of an anode guide rod.
The insulating connector body is fixed inside the fastening means via bolts.
The fastening means comprises the following structures: a concave-shaped
steel strip, a latch support is disposed at an end of one edge of an opening
of the concave-
shaped steel strip, an outside end of the latch support is fixed with an end
of a handle via a pin
shaft, a middle portion of the handle is fixed with one end of a connecting
rod, the other end
of the connecting rod is fixed with one end of a latch ring, and the other end
of the latch ring
is disposed around the other edge of the opening of the concave-shaped steel
strip.
An end of the other edge of the opening of the concave-shaped steel strip is
bent outwardly.
The handle is H-shaped.
An adjusting nut is provided on the connecting rod running through the handle.
The latch ring is connected to the connecting rod in a pin manner.
According to one aspect of the present invention, there is provided a device
for
= on-line measuring anode current distribution of an aluminum electrolytic
cell, comprising the
following structures: an insulating connector body which inside is provided
with measuring
contacts and which outside is fixed on a fastening means, wherein each of the
measuring
contacts is a metal conductor, one end of the measuring contact is threaded,
and the measuring
contact is fixed with the insulating connector body via the threaded end, the
fastening means
comprises the following structures: a concave-shaped steel strip, and a latch
support disposed
= at an end of one edge of an opening of the concave-shaped steel strip, an
outside end of the
latch support is fixed with an end of a handle via a pin shaft, a middle
portion of the handle is
fixed with one end of a connecting rod, the other end of the connecting rod is
fixed with one
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end of a latch ring, and the other end of the latch ring is disposed around
the other edge of the
opening of the concave-shaped steel strip.
According to another aspect of the present invention, there is provided a
device
for on-line measuring anode current distribution of an aluminum electrolytic
cell, comprising
the following structures: an insulating connector body which inside is
provided with
measuring contacts and which outside is fixed on a fastening means, wherein
each of the
measuring contacts is a metal conductor, and one end of the measuring contact
is fixed on the
insulating connector body via rivets disposed thereon, the fastening means
comprises the
following structures: a concave-shaped steel strip, and a latch support
disposed at an end of
one edge of an opening of the concave-shaped steel strip, an outside end of
the latch support is
fixed with an end of a handle via a pin shaft, a middle portion of the handle
is fixed with one
end of a connecting rod, the other end of the connecting rod is fixed with one
end of a latch
ring, and the other end of the latch ring is disposed around the other edge of
the opening of the
concave-shaped steel strip.
According to still another aspect of the present invention, there is provided
a
device for on-line measuring anode current distribution of an aluminum
electrolytic cell,
comprising the following structures: an insulating connector body which inside
is provided
with measuring contacts and which outside is fixed on a fastening means,
wherein the
fastening means comprises the following structures: a concave-shaped steel
strip, and a latch
support disposed at an end of one edge of an opening of the concave-shaped
steel strip, an
outside end of the latch support is fixed with an end of a handle via a pin
shaft, a middle
portion of the handle is fixed with one end of a connecting rod, the other end
of the
connecting rod is fixed with one end of a latch ring, and the other end of the
latch ring is
disposed around the other edge of the opening of the concave-shaped steel
strip.
Advantages of the present invention are as follows: the present invention has
advantages in a simple structure, safe operations, a long service life, easy
installation and
removal, lower manpower costs, a reduced cell effect coefficient, and reduced
energy
consumption of the aluminum factory. Since the adjusting nut for fastening and
adjusting
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73 140-4 1
looseness is installed at the opening of the concave-shaped steel strip, in a
completely open
state the fastening means is completely open on one side so that the means can
be smoothly
and quickly installed on the guide rod; a gap can be adjusted in the locked
state so as to ensure
close contact between the measuring contact and the anode guide rod.
Brief Description of Drawings
Fig.1 is a front view of a device for on-line measuring anode current
distribution of an aluminum electrolytic cell according to the present
invention.
Fig.2 is a side view of the device of Fig.l.
Fig.3 is a top view of the device for on-line measuring anode current
distribution of
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CA 02834446 2013-10-28
an aluminum electrolytic cell according to the present invention in a closed
state.
Fig.4 is a top view of the device for on-line measuring anode current
distribution of
an aluminum electrolytic cell according to the present invention in an open
state.
In the figures, the reference number 1 designates measuring contact; 2
insulating
connector body; 3 bolt; 4 handle; 5 concave-shaped steel strip; 6 latch ring;
7 connecting
rod; 8 adjusting nut; 9 latch support; 10 anode guide rod.
Detailed Description of the Preferred Embodiments
The present invention will be further described with reference to figures. In
practical application, a device for on-line measuring anode current
distribution of an
aluminum electrolytic cell according to the present invention may be directly
fixed on an
aluminum electrolytic cell guide rod, and electrical signal may be transmitted
to a cell
controller through a measurement conductor wire.
As shown in the figures, the device for on-line measuring anode current
distribution
of an aluminum electrolytic cell according to the present invention consists
of the
following structures: an insulating connector body 2 which inside is provided
with a
measuring contact 1 and which outside is fixed on a fastening means; the
measuring
contact 1 is a metal conductor, one end of the measuring contact 1 is
threaded, the
measuring contact 1 is fixed with the insulating connector body 2 via the
threaded end,
the other end of the measuring contact 1 is of a conical or spherical shape,
the measuring
contacts 1 are fixedly arranged on the insulating connector body 2 one by one
in a
direction of current of an anode guide rod 10; the insulating connector body 1
is fixed
inside the fastening means via bolts 3. Besides the threaded connection
manner, one
end of the measuring contact 1 may also be fixed on the insulating connector
body 2 via
rivets (not shown) disposed thereon.
The fastening means consists of the following structures: a concave-shaped
steel
strip 5, a latch support 9 is disposed at an end of one edge of an opening of
the
concave-shaped steel strip 5, an outside end of the latch support 9 is fixed
with an end of
a handle 4 via a pin shaft, a middle portion of the handle 4 is fixed with one
end of a
connecting rod 7, the other end of the connecting rod 7 is fixed with one end
of a latch
ring 6, the other end of the latch ring 6 is disposed around the other edge of
the opening
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CA 02834446 2015-09-14
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of the concave-shaped steel strip 5, an end of the other edge of the opening
of the
concave-shaped steel strip 5 is bent outwardly, the handle 4 is H-shaped, and
an adjusting
nut 8 is provided on the connecting rod 7 running through the handle 4.
However, those
skilled in the art can appreciate that besides the adjusting nut 8 disposed on
the
connecting rod 7 running through the handle 4, other types of adjusting means
for
adjusting the fastening means, such as an adjusting bolt, an adjusting pin
(which may
perform adjustment in cooperation with pin holes disposed on the connecting
rod at an
interval), or an adjustable bearing. The adjusting means employed by the
present
invention is compact, flexible, conveniently mountable and conducive to
improve
sampling accuracy.
The latch ring 6 is connected to the connecting rod 7 in a pin manner, the
connecting rod 7 is rotatable in the latch ring 6 to ensure adjustment of
looseness of the
device for on-line measuring anode current distribution of the aluminum
electrolytic cell
via the adjusting nut 8 when the fastening means is in a locked state.
Additionally, to enhance stability of contact between the measuring contact
and the
anode guide rod in the locked state, the measuring contact 1 is fixed with the
insulating
connector body 2 through the threaded end, the other end of the measuring
contact 1 may
also be in other shapes such as a truncated conical shape or an elongated
shape so that the
said the other end of the measuring contact 1 can form a small plane contact
or linear
contact with the anode guide rod in the locked state.
Although the preceding text describes specific embodiments of the device for
on-line measuring anode current distribution of the aluminum electrolytic cell
according
to the present invention, it should be appreciated that those skilled in the
art may make
any variations and improvements to the present invention without departure
from the
scope of the present invention.
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Dessin représentatif