JP2010189742A5

JP2010189742A5 -

Info

Publication number: JP2010189742A5
Application number: JP2009037608A
Authority: JP
Filing date: 2009-02-20
Publication date: 2010-12-16
Anticipated expiration: 2029-02-20

Claims

A cleaning tank in which metal scraps with foreign substances attached to the surface are put inside and the cleaning liquid is stored,
A stirring unit having a rotating part provided inside the cleaning tank, and stirring the metal scrap by rotating the rotating part;
Air bubbles are supplied to the cleaning liquid stored in the cleaning tank, the air bubbles are adsorbed to the foreign matter, the foreign matter is separated from the metal scrap by the collision of the air bubbles, and the air bubbles are directed toward the surface of the cleaning liquid. Bubble supply means for floating the foreign object as it floats;
Foreign matter discharging means for overflowing the cleaning liquid from the cleaning tank and discharging the foreign matter floating to the outside of the cleaning tank,
The bubble supply means is a bubble generator that jets the bubbles together with the cleaning liquid,
An apparatus for cleaning metal scraps, wherein an outlet of the bubble generator is directed to the metal scraps stirred by the stirring means.

A cleaning tank in which metal scraps with foreign substances attached to the surface are put inside and the cleaning liquid is stored,
Stirring means for stirring the metal scrap;
Air bubbles are supplied to the cleaning liquid stored in the cleaning tank, the air bubbles are adsorbed to the foreign matter, the foreign matter is separated from the metal scrap by the collision of the air bubbles, and the air bubbles are directed toward the surface of the cleaning liquid. Bubble supply means for floating the foreign object as it floats;
Foreign matter discharging means for overflowing the cleaning liquid from the cleaning tank and discharging the foreign matter floating to the outside of the cleaning tank,
The metal bubble cleaning device, wherein the bubble supply means also serves as the stirring means.

Rotating a rotating part provided inside the cleaning tank in which the cleaning liquid is stored, and a stirring step that is placed inside the cleaning tank and stirs the metal scraps with foreign matters attached to the surface;
The bubbles are jetted together with the cleaning liquid from the bubble generator toward the agitated metal scrap, the bubbles are supplied to the cleaning liquid stored in the cleaning tank, the bubbles are adsorbed to the foreign matter, and the bubbles A bubble supplying step of separating the foreign matter from the metal scrap by collision, and causing the foreign matter to rise as the bubbles rise toward the liquid surface of the cleaning liquid;
A foreign matter discharging step of overflowing the cleaning liquid from the cleaning bath and discharging the floated foreign matter to the outside of the cleaning bath.

A stirring step in which bubbles are jetted together with the cleaning liquid from the bubble supply means into the cleaning tank in which the cleaning liquid is stored, and the metal scraps, which are placed inside the cleaning tank, are agitated on the metal scraps adhered to the surface;
The bubbles are jetted together with the cleaning liquid from the bubble supply means toward the stirred metal scrap, the bubbles are supplied to the cleaning liquid stored in the cleaning tank, and the bubbles are adsorbed to the foreign matter, A bubble supplying step of separating the foreign matter from the metal scrap by the collision of bubbles, and causing the foreign matter to rise as the bubbles rise toward the liquid surface of the cleaning liquid;
A foreign matter discharging step of overflowing the cleaning liquid from the cleaning bath and discharging the floated foreign matter to the outside of the cleaning bath.

The bubble supply means jets the bubbles upward from the bottom surface of the cleaning tank to float the metal scrap, and jets the bubbles from the side surfaces of the cleaning tank toward the opposite directions. The metal scrap cleaning method according to claim 4 , wherein the floating metal scrap is sandwiched between the bubbles.

A columnar column extending upward is provided on the bottom surface inside the cleaning tank,
The bubble supply means sprays the cleaning liquid and the bubbles from the side surface of the cleaning tank so that the bubbles rotate along the side surface of the cleaning tank, and rotates the metal scrap along the side surface of the cleaning tank. The method for cleaning metal scraps according to claim 4 , wherein:

In the upper part of the washing tank, a first mesh that collides with the metal scrap that has floated is provided,
The metal scrap cleaning according to any one of claims 3 to 6 , wherein the metal scrap that has floated collides with the first mesh to separate the metal scrap and the bubbles. Method.

The first mesh is composed of a magnet,
The metal scrap cleaning method according to claim 7 , wherein the metal scrap that has collided with the first mesh and separated from the bubbles is sucked into the first mesh.

Wherein the cleaning liquid stored in the cleaning tank by supplying the ultrasound to claims 3, characterized in that the foreign matter adhering to the metal scrap further comprising an ultrasound supplying step of separating from the metal scrap claims Item 9. The method for cleaning metal scraps according to any one of Items8.

Metal scraps cleaned by the metal scrap cleaning method according to any one of claims 3 to 9 .