Title:
POLLUTED SAND REMOVING DEVICE
Document Type and Number:
Japanese Patent JP2021046758
Kind Code:
A
Abstract:
To provide a novel polluted sand removing device capable of decreasing human labor in a removing work of polluted sand existing on a sand layer surface of a slow filter basin and the like.SOLUTION: A polluted sand removing device 1 is constituted of: a travel device 2 for making the device travel in a progress direction; a scraping device 3 gathering while scraping polluted sand with a rotor 31; a feeder 4 feeding the polluted sand gathered by the scraping device 3 in a predetermined direction; and a transportation conveyer 5 transporting the polluted sand fed by the feeder 4. The feeder 4 comprises: a sand thrower 41 giving kinetic energy to the polluted sand by rotation of a rotary blade 40; and a conduit 42 guiding the polluted sand to which the kinetic energy is given to an upstream end of the transportation conveyer 5.SELECTED DRAWING: Figure 1
Inventors:
HIROSE TAKEMI
Application Number:
JP2019171430A
Publication Date:
March 25, 2021
Filing Date:
September 20, 2019
Export Citation:
Assignee:
TAKEMI CORP CO LTD
International Classes:
E02F7/04; B01D24/02; E02F7/06
Attorney, Agent or Firm:
Ogawa Taizhou
Kiyoji Sawa
Kiyoji Sawa