Title:
MULTI-COAL-TYPE ADAPTIVE COMBUSTION SYSTEM AND METHOD SUITABLE FOR W FLAME BOILER
Document Type and Number:
WIPO Patent Application WO/2021/174979
Kind Code:
A1
Abstract:
Disclosed are a multi-coal-type adaptive combustion system and method suitable for a W flame boiler. The system comprises a downward-injection secondary air nozzle (3), downward-inclination secondary air nozzles (4) and burn-out air nozzles (5) which are respectively in communication with a secondary air bellows of a W flame boiler (1); the downward-injection secondary air nozzle (3) is vertically arranged on an arch of the W flame boiler (1) and is positioned behind a side of a main pulverized coal nozzle (7) of a burner (6); the downward-inclination secondary air nozzles (4) are obliquely arranged at the lower part of front and rear walls of a lower furnace of the W flame boiler (1); and the burn-out air nozzles (5) are horizontally arranged at the upper part of throats of front and rear walls of an upper furnace of the W flame boiler (1), and can swing up and down.
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Inventors:
FANG FAN (CN)
YAN WANJUN (CN)
ZHANG WEI (CN)
CHEN YU (CN)
ZHANG PENGFEI (CN)
MA XIANG (CN)
WU QINGLONG (CN)
BAI PENG (CN)
YAN XIANGLIN (CN)
ZHOU HONGGUANG (CN)
YAN WANJUN (CN)
ZHANG WEI (CN)
CHEN YU (CN)
ZHANG PENGFEI (CN)
MA XIANG (CN)
WU QINGLONG (CN)
BAI PENG (CN)
YAN XIANGLIN (CN)
ZHOU HONGGUANG (CN)
Application Number:
PCT/CN2020/140971
Publication Date:
September 10, 2021
Filing Date:
December 29, 2020
Export Citation:
Assignee:
XIAN THERMAL POWER RES INST CO (CN)
XI’AN TPRI BOILER & ENVIRONMENTAL PROT ENGINEERING CO LTD (CN)
XI’AN TPRI BOILER & ENVIRONMENTAL PROT ENGINEERING CO LTD (CN)
International Classes:
F23C7/02; F23D1/02; F23L9/00
Foreign References:
| CN111189042A | 2020-05-22 | |||
| CN106524137A | 2017-03-22 | |||
| CN107543148A | 2018-01-05 |
Attorney, Agent or Firm:
XI'AN TONG DA PATENT AGENCY CO., LTD. (CN)
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