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Title:
VERTICAL ROLLER MILL
Document Type and Number:
WIPO Patent Application WO/2018/016104
Kind Code:
A1
Abstract:
A vertical roller mill (1) comprising a housing (2), a chute (3) for supplying a substance to be crushed into the central section of the housing (2), a crushing section (4) that is provided below the chute (3) and is where the substance to be crushed is crushed, a discharge pipe (9) provided above the crushing section (4), and a transport mechanism (6) for forming a gas stream for transporting the crushed product that has been crushed in the crushing section (4) to the discharge pipe (9). Between the crushing section (4) and the discharge pipe (9), the roller mill has a flow-constricting channel (10) for narrowing the flow channel area for the gas stream. The flow-constricting channel (10) is formed between a first flow-constricting ring (20) provided in the central section of the housing (2) and a second flow-constricting ring (30) provided so as to protrude from the housing (2) toward the central section of the housing (2).

Inventors:
KOZAKI Takahiro (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
KOBAYASHI Akira (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
NARIAI Kentaro (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
OHNO Emi (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
Application Number:
JP2017/003350
Publication Date:
January 25, 2018
Filing Date:
January 31, 2017
Export Citation:
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Assignee:
IHI CORPORATION (1-1 Toyosu 3-chome, Koto-ku Tokyo, 10, 〒1358710, JP)
International Classes:
B02C15/04; B07B7/01; B07B7/083; B07B9/00; B07B11/02; B07B11/04; B07B11/06
Attorney, Agent or Firm:
TERAMOTO Mitsuo et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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