Metal collector and use of it
A metal collector for a pipeline disclosed herein includes: a first magnet arranged on an outer surface of a pipeline in a state where a N pole is directed toward an inner side of the pipeline and a S pole is directed toward an outer side; a second magnet arranged on another part of the outer surface of the pipeline in a state where a S pole is directed toward the inner side and a N pole is directed toward the outer side; a magnetic circuit forming member that is a ferromagnetic material connected to the S pole of the first magnet and the N pole of the second magnet. The metal collector can remove the metal foreign substance from the fluid inside the pipeline.
1 . A manufacturing apparatus of an electric storage device, the manufacturing apparatus comprising:
a backup roller configured to carry an electrode core body formed in a foil shape; and
a tank configured to store a slurry containing an electrode active material;
a die head configured to discharge the slurry toward the electrode core body on the backup roller;
a pipeline configured to transfer the slurry from the tank to the die head;
a metal collecting apparatus attached to the pipeline from the tank to the die head; and
a valve attached between the die head and the metal collecting apparatus, wherein
the metal collecting apparatus includes a plurality of metal collectors, at least one of the plurality of metal collectors comprising:
a first magnet arranged on a part of an outer periphery surface of the pipeline in a state where a N pole of the first magnet is directed toward a diameter direction inner side of the pipeline and a S pole of the first magnet is directed toward a diameter direction outer side of the pipeline;
a second magnet arranged on another part of the outer periphery surface of the pipeline in a state where a S pole of the second magnet is directed toward the diameter direction inner side and a N pole of the second magnet is directed toward the diameter direction outer side; and
a magnetic circuit forming member that is a ferromagnetic material connected to the S pole of the first magnet and the N pole of the second magnet, and
the manufacturing apparatus further comprises a filling member that is a magnetically permeable material having a curved surface along the outer periphery surface of the pipeline and arranged between the N pole of the first magnet and the pipeline or between the S pole of the second magnet and the pipeline.
2 . The manufacturing apparatus according to claim 1 , further comprising:
a fixing tool for fixing the first magnet and the second magnet on the pipeline in a state where the N pole of the first magnet and the S pole of the second magnet are directed toward the diameter direction inner side.
3 . The manufacturing apparatus according to claim 1 , wherein
a cross angle θ 1 defined by a straight line L 1 and a straight line L 2 is equal to or more than 45° and not more than 180°,
the straight line L 1 connects the first magnet and a center of the pipeline, and
the straight line L 2 connects the second magnet and the center of the pipeline.
4 . The manufacturing apparatus according to claim 1 , wherein
even numbers of the plurality of metal collectors are arranged on a virtual flat surface crossing an axis line of the pipeline, and
the first magnet of one metal collector of the even numbers of the plurality of metal collectors and the first magnet of another metal collector of the even numbers of the plurality of metal collectors are adjacent to each other in a circumferential direction of the pipeline, and
the second magnet of the one metal collector and the second magnet of the another metal collector are adjacent to each other in the circumferential direction of the pipeline.
5 . The manufacturing apparatus according to claim 4 , wherein
an absolute value of a cross angle θ 2 defined by a straight line L 3 and a straight line L 4 is equal to or less than 45°,
the straight line L 3 connects the first magnet of the one metal collector and a center of the pipeline,
the straight line L 4 connects the second magnet of the another metal collector and the center of the pipeline.
6 . The manufacturing apparatus according to claim 4 , further comprising:
a fixing tool for fixing the first magnet and the second magnet of each of the even numbers of the plurality of metal collectors onto the pipeline, in a state where the N pole of the first magnet and the S pole of the second magnet are directed toward the diameter direction inner side, wherein
a plurality of coupling points exists between the metal collectors adjacent to each other in the circumferential direction among the plurality of metal collectors, and
the fixing tool comprises:
a rotationally moving member coupling the metal collectors being adjacent to each other in a rotatable manner along the virtual flat surface at the coupling points excluding at least one coupling point among the plurality of coupling points; and
a locking member configured to engage and disengage the adjacent metal collectors at the coupling point being not coupled by the rotationally moving member.
7 . The manufacturing apparatus according to claim 1 , wherein
the plurality of metal collectors is arranged to be spaced away from each other by a gap along a length direction of the pipeline.
8 . The manufacturing apparatus according to claim 7 , wherein
arrangement positions of the first magnet and the second magnet are different in a circumferential direction of the pipeline, between one metal collector of the plurality of metal collectors arranged at an upstream side of the length direction and another metal collector of the plurality of metal collectors arranged at a downstream side more than an arbitrary metal collector of the plurality of metal collectors.
9 . The manufacturing apparatus according to claim 1 , wherein
an axis body through which a fluid does not pass is provided at an inside of the pipeline to overlap with a center of the pipeline.
10 . A manufacturing apparatus of an electric storage device, the manufacturing apparatus comprising:
a backup roller configured to carry an electrode core body formed in a foil shape; and
a tank configured to store a slurry containing an electrode active material;
a die head configured to discharge the slurry toward the electrode core body on the backup roller;
a pipeline configured to transfer the slurry from the tank to the die head;
a metal collecting apparatus attached to the pipeline from the tank to the die head; and
a valve attached between the die head and the metal collecting apparatus, wherein
the metal collecting apparatus includes a plurality of metal collectors, at least one of the plurality of metal collectors comprising:
a first magnet arranged on a part of an outer periphery surface of the pipeline in a state where a N pole of the first magnet is directed toward a diameter direction inner side of the pipeline and a S pole of the first magnet is directed toward a diameter direction outer side of the pipeline;
a second magnet arranged on another part of the outer periphery surface of the pipeline in a state where a S pole of the second magnet is directed toward the diameter direction inner side and a N pole of the second magnet is directed toward the diameter direction outer side; and
a magnetic circuit forming member that is a ferromagnetic material connected to the S pole of the first magnet and the N pole of the second magnet,
even numbers of the plurality of metal collectors are arranged on a virtual flat surface crossing an axis line of the pipeline,
the first magnet of one metal collector of the even numbers of the plurality of metal collectors and the first magnet of another metal collector of the even numbers of the plurality of metal collectors are adjacent to each other in a circumferential direction of the pipeline,
the second magnet of the one metal collector and the second magnet of the another metal collector are adjacent to each other in the circumferential direction of the pipeline,
the manufacturing apparatus further comprises a fixing tool for fixing the first magnet and the second magnet of each of the even numbers of the plurality of metal collectors onto the pipeline, in a state where the N pole of the first magnet and the S pole of the second magnet are directed toward the diameter direction inner side,
a plurality of coupling points exists between the metal collectors adjacent to each other in the circumferential direction among the plurality of metal collectors, and
the fixing tool comprises:
a rotationally moving member coupling the metal collectors being adjacent to each other in a rotatable manner along the virtual flat surface at the coupling points excluding at least one coupling point among the plurality of coupling points; and
a locking member configured to engage and disengage the adjacent metal collectors at the coupling point being not coupled by the rotationally moving member.
11 . A manufacturing apparatus of an electric storage device, the manufacturing apparatus comprising:
a backup roller configured to carry an electrode core body formed in a foil shape; and
a tank configured to store a slurry containing an electrode active material;
a die head configured to discharge the slurry toward the electrode core body on the backup roller;
a pipeline configured to transfer the slurry from the tank to the die head;
a metal collecting apparatus attached to the pipeline from the tank to the die head; and
a valve attached between the die head and the metal collecting apparatus, wherein
the metal collecting apparatus includes a plurality of metal collectors, at least one of the plurality of metal collectors comprising:
a first magnet arranged on a part of an outer periphery surface of the pipeline in a state where a N pole of the first magnet is directed toward a diameter direction inner side of the pipeline and a S pole of the first magnet is directed toward a diameter direction outer side of the pipeline;
a second magnet arranged on another part of the outer periphery surface of the pipeline in a state where a S pole of the second magnet is directed toward the diameter direction inner side and a N pole of the second magnet is directed toward the diameter direction outer side; and
a magnetic circuit forming member that is a ferromagnetic material connected to the S pole of the first magnet and the N pole of the second magnet,
the plurality of metal collectors is arranged to be spaced away from each other by a gap along a length direction of the pipeline, and
arrangement positions of the first magnet and the second magnet are different in a circumferential direction of the pipeline, between one metal collector of the plurality of metal collectors arranged at an upstream side of the length direction and another metal collector of the plurality of metal collectors arranged at a downstream side more than an arbitrary metal collector of the plurality of metal collectors.