Title:
EFFICIENT-CLEANING HIGH-VARIABLE-LOAD-RATE COAL-FIRED POWER GENERATION SYSTEM AND OPERATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/238278
Kind Code:
A1
Abstract:
An efficient-cleaning high-variable-load-rate coal-fired power generation system. An internal hot source type SCR denitration catalyst unit (4) is adopted and is coupled to a heat storage system consisting of a high-temperature storage tank (41) and a low-temperature storage tank (42); working temperature of an SCR catalyst of a unit can be kept between 300°C-400°C within a full working condition range; it is ensured that the SCR catalyst has high activity within the full working condition range; and the SCR denitration efficiency is improved. The high-temperature storage tank (41) and the low-temperature storage tank (42) are coupled to a steam turbine regenerative system high-pressure heater, so that when the coal-fired power generation system needs to increase a variable load rate, heat storage energy can be rapidly converted into power to be output, and a ramp rate of the unit is improved; moreover, operation flexibility of the unit can be effectively improved by means of peak shaving of heat energy under various loads of a coal-fired boiler, and the full working condition boiler operation efficiency of the unit is improved. Further disclosed is an operation method for the efficient-cleaning high-variable-load-rate coal-fired power generation system.
Inventors:
YAN JUNJIE (CN)
LIU MING (CN)
LIU JIPING (CN)
CHONG DAOTONG (CN)
XING QINAN (CN)
WANG CHAOYANG (CN)
LIU MING (CN)
LIU JIPING (CN)
CHONG DAOTONG (CN)
XING QINAN (CN)
WANG CHAOYANG (CN)
Application Number:
PCT/CN2021/073590
Publication Date:
December 02, 2021
Filing Date:
January 25, 2021
Export Citation:
Assignee:
UNIV XI AN JIAOTONG (CN)
International Classes:
F01K13/02; B01D53/56; B01D53/86; F01K17/02; F01K21/00; F22D1/00; F23J15/06; F24H7/02; F24H9/18
Foreign References:
| CN111636934A | 2020-09-08 | |||
| CN109945223A | 2019-06-28 | |||
| CN203829919U | 2014-09-17 | |||
| CN106642177A | 2017-05-10 | |||
| JP2012239970A | 2012-12-10 | |||
| JPH09159140A | 1997-06-20 | |||
| US20080299016A1 | 2008-12-04 |
Attorney, Agent or Firm:
XI'AN CYDA INTELLECTUAL PROPERTY AGENCY (CN)
Download PDF: