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Title:
HEAT RECOVERY EQUIPMENT
Document Type and Number:
Japanese Patent JP2012088045
Kind Code:
A
Abstract:

To provide heat recovery equipment capable of improving power generation efficiency in power-generating facilities by effectively utilizing heat of a power generation plant.

This heat recovery equipment includes: the power generation plant 10 driving a steam turbine 13 by superheated steam 12 from a boiler 11, and having a low-pressure feedwater heater 16 applying low-pressure extraction steam from the steam turbine 13 as a heating source, and a high-pressure feedwater heater 18 heating the feedwater superheated by the low-pressure feedwater heater 16 while applying high-pressure extraction steam from the steam turbine 13 as a heating source through a boiler water feed pump 17; an exhaust gas treatment line 20 including an air preheater 21 for recovering heat of the exhaust gas from the boiler 11, and a dry electric dust collector 22 for collecting power dust in the exhaust gas; a heat recovery unit 31 disposed between the air preheater 21 and the dry electric dust collector 22 disposed in the exhaust gas treatment line 20; and a condensed-water heater 32 disposed between a condenser of a condensed-water line and the low-pressure feedwater heater 16 of the power generation plant 10, and heating the condensed water by the heat recovered by the heat recovery unit 31.


Inventors:
TAKEUCHI YASUHIRO
NAKAYAMA YOSHIO
OISHI GOJI
NAKAMURA SOJI
NAKAMURA SHINJI
DOI TAKESHI
NAGATA MASAYUKI
Application Number:
JP2011284569A
Publication Date:
May 10, 2012
Filing Date:
December 26, 2011
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F22D1/18
Domestic Patent References:
JPH09209710A1997-08-12
JPH11179147A1999-07-06
JPS5735202A1982-02-25
JP2001239129A2001-09-04
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura