Title:
DRY ICE INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2023068916
Kind Code:
A
Abstract:
To provide a dry ice injection device which suppresses blockage of a liquid feeding path of liquefied carbon dioxide gas and can be continuously operated for a long time.SOLUTION: A dry ice injection device comprises: a liquefied carbon dioxide gas supply path L1 for supplying liquefied carbon dioxide gas; an orifice 4a which is positioned in the liquefied carbon dioxide gas supply path L1, and regulates a flow channel of the liquefied carbon dioxide gas; a granulation part 3 which is positioned on a secondary side of the orifice 4a; and an injection nozzle 2 for injecting dry ice. In a liquid feeding path of the liquefied carbon dioxide gas from the liquefied carbon dioxide gas supply path L1 to the orifice 4a, a flow channel area of the liquid feeding path is constant or decreases toward the secondary side from a primary side.SELECTED DRAWING: Figure 2
Inventors:
UENO SHO
Application Number:
JP2021180370A
Publication Date:
May 18, 2023
Filing Date:
November 04, 2021
Export Citation:
Assignee:
TAIYO NIPPON SANSO CORP
NIPPON EKITAN CORP
NIPPON EKITAN CORP
International Classes:
B24C5/04; B01J2/02; B05B7/04; B08B7/00; B24C1/00; B24C11/00
Attorney, Agent or Firm:
Patent Attorney Shiga International Patent Office