Magnetic-matter removing apparatus and magnetic-matter removing method

Patent metadata

Field	Value
Publication number	US-2016271621-A1
Application number	US-201615061660-A
Country	US
Kind code	A1
Filing date	Mar 4, 2016
Priority date	Mar 19, 2015
Publication date	Sep 22, 2016
Grant date	—

Abstract

A magnetic-matter removing apparatus includes: endless chains arranged to run in circles between inside liquid containing a magnetic matter and above the liquid; magnetic-matter attracting means supported on the endless chains for attracting the magnetic matter in the liquid with a magnetic force; a drum arranged above the liquid, having a magnetic force stronger than the magnetic force of the magnetic-matter attracting means, and configured to detach the magnetic matter attracted to the magnetic-matter attracting means from the magnetic-matter attracting means and attract the magnetic matter; and discharging means for scraping the magnetic matter attracted to the drum and discharging the magnetic matter to outside the apparatus.

First claim

1 . A magnetic-matter removing apparatus for removing a magnetic matter from liquid, which contains the magnetic matter, comprising:
attracting means for attracting the magnetic matter with a magnetic force; transporting means for transporting the attracting means in circles between inside the liquid and above the liquid; a drum arranged above the liquid, having a magnetic force stronger than the magnetic force of the attracting means, and configured to detach the magnetic matter attracted to the attracting means from the attracting means and attract the magnetic matter; discharging means for scraping the magnetic matter attracted to the drum and discharging the magnetic matter to outside the apparatus; and driving means for driving the transporting means and the drum.

2 . The magnetic-matter removing apparatus according to claim 1 , wherein
the transporting means includes two chains, and the attracting means includes a pipe supported on the two chains and a permanent magnet arranged in the pipe.

3 . The magnetic-matter removing apparatus according to claim 2 , wherein the two chains are laid on lower sprockets arranged in the liquid and upper sprockets arranged above the liquid.

4 . The magnetic-matter removing apparatus according to claim 2 , wherein
a plurality of the pipes are provided, and the drum includes a permanent magnet arranged to face each of the pipes when the driving means drives the drum and the two chains and thereby brings the pipe to a vicinity of the drum.

5 . The magnetic-matter removing apparatus according to claim 4 , wherein the upper sprockets are provided on a shaft portion of the drum.

6 . The magnetic-matter removing apparatus according to claim 5 , wherein the plurality of pipes and the drum come into contact with each other on an upper side of the drum.

7 . The magnetic-matter removing apparatus according to claim 3 , wherein
two of the drums are provided, and the two drums are arranged to face each other such that the pipe, supported on the two chains, is interposed between the two drums.

8 . The magnetic-matter removing apparatus according to claim 4 , wherein
a single drum is provided as the drum, the plurality of the pipes are rotatably supported on the two chains, and the magnetic-matter removing apparatus further comprises rotational-force applying means for rotating the plurality of pipes.

9 . The magnetic-matter removing apparatus according to claim 8 , wherein the rotational-force applying means rotates the plurality of pipes in a direction opposite a direction of rotation of the drum.

10 . The magnetic-matter removing apparatus according to claim 9 , wherein the rotational-force applying means includes:
a gear or a sprocket provided on supporting means for supporting the plurality of pipes rotatably on the two chains; and a rack provided with a groove portion or a chain configured to mesh with the gear or the sprocket.

11 . The magnetic-matter removing apparatus according to claim 10 , wherein the groove portion of the rack or the chain is arranged to mesh with the gear or the sprocket before the drum and the plurality of pipes come into contact with each other.

12 . The magnetic-matter removing apparatus according to claim 1 , wherein the discharging means includes:
a scraper configured to scrape the magnetic matter attracted to the drum; a magnetic matter receiver configured to receive the magnetic matter scraped by the scraper; and a screw conveyor configured to discharge the magnetic matter received by the magnetic matter receiver to outside the apparatus, the screw conveyor being driven by the driving means.

13 . The magnetic-matter removing apparatus according to claim 1 , further comprising breaking means for breaking the magnetic matter attracted to the attracting means into pieces.

14 . A magnetic-matter removing method for removing a magnetic matter from liquid, which contains the magnetic matter, comprising:
attracting the magnetic matter with a magnetic force from attracting means; transporting the attracting means in circles between inside the liquid and above the liquid with transporting means; detaching the magnetic matter attracted to the attracting means from the attracting means and attracting the magnetic matter with a drum arranged above the liquid and having a magnetic force stronger than the magnetic force of the attracting means; and scraping the magnetic matter attracted to the drum and discharging the magnetic matter to outside an apparatus with discharging means.

Assignees

• Primetals Tech Japan Ltd

Inventors

• Horiguchi Akira
• Ikenaga Norihiko
• Honda Hirofumi

Classifications

• B03C2201/20

  Magnetic separation of bulk or dry particles in mixtures · CPC title

• B03C1/12 Primary

  with magnets moving during operation; with movable pole pieces · CPC title

• B03C2201/18

  Magnetic separation whereby the particles are suspended in a liquid · CPC title

• Y02P70/10

  Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working · CPC title

• B03C1/0332

  using permanent magnets · CPC title