Title:
SLAG DISCHARGE SYSTEM, GASIFIER PROVIDED WITH SAME, AND METHOD FOR OPERATING SLAG DISCHARGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/217345
Kind Code:
A1
Abstract:
The present invention is provided with: a slag hopper (5) that retains slag cooling water (W) in the bottom portion of a gasifier (2) and receives slag (S); a slag cooling water feed line (7A) and a slag pump outlet (7p) via which the slag (S) and the slag cooling water (W) from the bottom portion of the slag hopper (5) are pumped and fed to a slag separation device (10); a circulation pump (20) that forms a water flow for pumping out the slag (S); a slag cooling water circulation line (7B) linking from the slag separation device (10) to the slag hopper (5); a reverse flow line (7R) that causes the slag cooling water (W) dispensed from the circulation pump (20) to flow in reverse in the slag cooling water feed line (7A); a selective supply unit (DA) capable of selectively supplying the slag cooling water (W) dispensed from the circulation pump (20) to the slag cooling water circulation line (7B) and the reverse flow line (7R); and a water supply line (23), one end of which is connected to the slag cooling water feed line (7A).
Inventors:
HAYASHI TOMOYA (JP)
MURAYAMA MASATO (JP)
KOYAMA YOSHINORI (JP)
YOSHIDA NAOSHIGE (JP)
MIYATA YASUYUKI (JP)
MURAYAMA MASATO (JP)
KOYAMA YOSHINORI (JP)
YOSHIDA NAOSHIGE (JP)
MIYATA YASUYUKI (JP)
Application Number:
PCT/JP2017/021551
Publication Date:
December 21, 2017
Filing Date:
June 09, 2017
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
C10J3/52; C10J3/46
Foreign References:
| JP2013056972A | 2013-03-28 | |||
| JP2002080864A | 2002-03-22 | |||
| JP2013082830A | 2013-05-09 | |||
| JPH07109471A | 1995-04-25 | |||
| JPH09125076A | 1997-05-13 |
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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