Title:
PULVERIZER, BOILER SYSTEM, AND OPERATION METHOD FOR PULVERIZER
Document Type and Number:
WIPO Patent Application WO/2020/158092
Kind Code:
A1
Abstract:
The purpose of the present invention is to suppress accumulation of a pulverized solid fuel in a carrier gas supply duct. A mill (10) that comprises: a housing (11) that forms a shell; a rotary table (12) that is provided inside the housing (11); a primary air duct (27) that is connected to the housing (11) and supplies, to the inside of the housing (11), primary air (29) that is for carrying solid fuel that has been pulverized on the rotary table (12) to the outside of the housing (11); a first assist gas spraying nozzle (61) that is provided inside the primary air duct (27) and sprays steam toward a duct outlet (28); and a second assist gas spraying nozzle (62) that is provided inside the primary air duct (27) and sprays steam so as to cover a cross-section of the primary air duct (27).
Inventors:
UEDA YUYA (JP)
Application Number:
PCT/JP2019/043648
Publication Date:
August 06, 2020
Filing Date:
November 07, 2019
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
B02C15/04; B02C23/04; B02C23/26; F23K3/02
Foreign References:
| US20160096182A1 | 2016-04-07 | |||
| JP2018051524A | 2018-04-05 | |||
| JP2001246276A | 2001-09-11 | |||
| JPH0717339U | 1995-03-28 | |||
| JP2000140663A | 2000-05-23 | |||
| JP2011104492A | 2011-06-02 | |||
| US5137218A | 1992-08-11 |
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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