Title:
竪型ローラミル
Document Type and Number:
Japanese Patent JP6743891
Kind Code:
B2
Abstract:
A vertical roller mill (1) includes a housing (2), a chute (3) that supplies materials to be grinded to a center portion of the housing (2), a grinder (4) that is provided below the chute (3) and grinds the materials to be grinded, an exhaust pipe (9) that is provided above the grinder (4), a transport mechanism (6) that forms an air flow for transporting, to the exhaust pipe (9), grinded materials grinded by the grinder (4), and a flow-constricting flow path (10) provided between the grinder (4) and the exhaust pipe (9) and narrows a flow path area for the air flow, in which the flow-constricting flow path (10) is formed between a first flow-constricting ring (20) provided in the center portion of the housing (2) and a second flow-constricting ring (30) provided to protrude from the housing (2) toward the center portion of the housing (2).
Inventors:
Narita Kentaro
Emi Ohno
Kazuhiro Watanabe
Takahiro Kozaki
Teru Kobayashi
Emi Ohno
Kazuhiro Watanabe
Takahiro Kozaki
Teru Kobayashi
Application Number:
JP2018528463A
Publication Date:
August 19, 2020
Filing Date:
June 23, 2017
Export Citation:
Assignee:
Ihi Co., Ltd.
International Classes:
B02C15/04; B02C23/10; B07B7/01; B07B7/083; B07B9/00; B07B11/02; B07B11/06
Domestic Patent References:
| JP2013180239A | ||||
| JP2013184115A | ||||
| JP2012217920A | ||||
| JP2012024652A | ||||
| JP2016087544A |
Attorney, Agent or Firm:
Nishizawa Kazumi
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi