Title:
WASTE INCINERATION ASH TREATMENT SYSTEM AND METHOD BASED ON LARGE COAL-FIRED POWER STATION SOLID-STATE SLAG REMOVAL BOILER
Document Type and Number:
WIPO Patent Application WO/2022/105355
Kind Code:
A1
Abstract:
A waste incineration ash treatment system and method based on a large coal-fired power station solid-state slag removal boiler. The system comprises a power station coal-fired boiler system and a cyclone combustor system; the power station coal-fired boiler system comprises a hearth (11) and a high-temperature flue gas nozzle (10) provided on the top of the hearth (11); the cyclone combustor system comprises a cyclone combustor body (5), a waste incineration ash inlet (1), an oil gun (2), pulverized coal primary air inlets (3), a slag falling port (6), a granulating water tank (7), a slag capture screen (8), and a connecting flue (9); the waste incineration ash inlet (1) and the oil gun (2) are provided at an input end of the cyclone combustor body (5), several pulverized coal primary air inlets (3) are respectively provided on both sides of the input end along a tangential direction, the slag falling port (6) is provided at the bottom of an output end of the cyclone combustor body, and the output end is communicated with the high-temperature flue gas nozzle (10) by means of the connecting flue (9); the lower portion of the slag falling port (6) is communicated and provided with the granulating water tank (7); a joint portion of the cyclone combustor body (5) and the connecting flue (9) is obliquely provided, and an outlet of the connecting flue (9) is higher than a flue gas outlet of the cyclone combustor body (5); and the slag capture screen (8) is disposed at the joint portion of the cyclone combustor body (5) and the connecting flue (9).
Inventors:
MA XIANG (CN)
FANG FAN (CN)
WANG HUAJIAN (CN)
WANG YANG (CN)
CHEN YU (CN)
FANG FAN (CN)
WANG HUAJIAN (CN)
WANG YANG (CN)
CHEN YU (CN)
Application Number:
PCT/CN2021/115635
Publication Date:
May 27, 2022
Filing Date:
August 31, 2021
Export Citation:
Assignee:
XIAN THERMAL POWER RES INST CO (CN)
International Classes:
F23G5/00; F23G5/32
Foreign References:
| CN112325292A | 2021-02-05 | |||
| CN108278617A | 2018-07-13 | |||
| CN1632376A | 2005-06-29 | |||
| CN109579014A | 2019-04-05 | |||
| US5022329A | 1991-06-11 | |||
| CN202328277U | 2012-07-11 | |||
| US5052312A | 1991-10-01 |
Attorney, Agent or Firm:
XI'AN TONG DA PATENT AGENCY CO., LTD. (CN)
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