Title:
BOILER, COMBINED CYCLE PLANT, AND STEAM COOLING METHOD FOR BOILER
Document Type and Number:
WIPO Patent Application WO/2016/047400
Kind Code:
A1
Abstract:
The purpose of the present invention is to minimize the loss of energy from exhaust gas when cooling superheated steam and thereby minimize decreases in efficiency. A boiler is provided with: economizers (a medium-pressure economizer (13) and a high-pressure secondary economizer (18)) for heating water supplied by water supply pumps (a medium-pressure water supply pump (27) and a high-pressure water supply pump (28)); evaporators (a medium-pressure evaporator (16) and a high-pressure evaporator (21)) for evaporating the water that is heated by the economizers; and cooling devices (a medium-pressure system and a high-pressure system) for mixing water that has passed through the economizers via the water supply pumps into steam as a coolant.
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Inventors:
TAGUCHI JUN (JP)
Application Number:
PCT/JP2015/074960
Publication Date:
March 31, 2016
Filing Date:
September 02, 2015
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F22G5/12
Foreign References:
| JPS61256105A | 1986-11-13 | |||
| JPH09329303A | 1997-12-22 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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