Title:
COAL-FIRED AND NATURAL-GAS DUAL-PURPOSE BOILER SYSTEM AND USE METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/202261
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of boilers, and in particular relates to a coal-fired and natural-gas dual-purpose boiler system and a use method therefor. The technical solution is: a coal-fired and natural-gas dual-purpose boiler system, comprising a boiler main body, the bottom of the boiler main body being connected to a slag remover, an upper portion of the boiler main body being connected to a tail flue, a plurality of natural-gas burners and pulverised-coal burners being arranged on the boiler main body; further comprising a natural-gas pipeline communicating with the plurality of natural-gas burners and a pulverised-coal pipeline communicating with the plurality of pulverised-coal burners, and a coal mill being connected to the pulverised coal pipeline; and further comprising a primary air duct connected to the coal mill, a secondary air duct communicating with the plurality of natural-gas burners and the plurality of pulverised coal burners, and a bypass air duct connected between the primary air duct and the secondary air duct. The present invention provides a coal-fired and natural-gas dual-purpose boiler system capable of independently taking coal or natural gas as fuel and a use method for the coal-fired and natural-gas dual-purpose boiler system.
Inventors:
XIONG PENG (CN)
LI XIAORONG (CN)
LI XIAOBING (CN)
LI JIAQUAN (CN)
RAN SHENMING (CN)
LIU YUGANG (CN)
YANG ZHANGNING (CN)
PAN SHAOCHENG (CN)
LI XIAORONG (CN)
LI XIAOBING (CN)
LI JIAQUAN (CN)
RAN SHENMING (CN)
LIU YUGANG (CN)
YANG ZHANGNING (CN)
PAN SHAOCHENG (CN)
Application Number:
PCT/CN2023/080787
Publication Date:
October 26, 2023
Filing Date:
March 10, 2023
Export Citation:
Assignee:
DONGFANGBOILER GROUP CO LTD (CN)
International Classes:
F23C1/04; F23B10/00; F23C5/08; F23L9/00
Foreign References:
| CN114811575A | 2022-07-29 | |||
| CN212298956U | 2021-01-05 | |||
| CN107327832A | 2017-11-07 | |||
| CN101852428A | 2010-10-06 | |||
| CN105987379A | 2016-10-05 | |||
| DE2846356A1 | 1980-05-08 | |||
| EP2314920A2 | 2011-04-27 | |||
| JPH08110014A | 1996-04-30 | |||
| US5915310A | 1999-06-29 |
Attorney, Agent or Firm:
CHENGDU JIUDING TIANYUAN INTELLECTUAL PROPERTY AGENCY LTD. (CN)
Download PDF: