Title:
METHOD FOR OBTAINING SLAGGING STATE OF WATER-COOLED WALL OF BOILER
Document Type and Number:
WIPO Patent Application WO/2023/015703
Kind Code:
A1
Abstract:
A method for obtaining the slagging state of a water-cooled wall of a boiler: the distance from various parts of a water-cooled wall is accurately measured, and is compared to the distance when the water-cooled wall is not slagging so as to determine whether various parts of the water-cooled wall are slagging and the thickness of a slagging layer. The method comprises: forming a hole in a water-cooled wall of a boiler, and mounting a millimeter-wave radar (3), the millimeter-wave radar (3) measuring the distance (d) from the other side of the boiler in the direction of the water-cooled wall and an included angle (α) between a measurement direction and a horizontal direction so as to determine whether a current measurement point is slagging and the thickness of a slagging layer; and adjusting the included angle (α) between the measurement direction of the millimeter-wave radar (3) and the horizontal direction, and an included angle between the measurement direction and a vertical direction, until the millimeter-wave radar (3) measures the distance in the direction of the water-cooled wall within a left-right range and an up-down range. In the steps above, the measurement direction of the millimeter-wave radar (3) may swing up-down and left-right so as to obtain distances from different measurement angles. The described method has the advantages of low costs, fast measurement, high measurement accuracy, etc.
Inventors:
FANG SHUNLI (CN)
YAO WEI (CN)
LIU JIALI (CN)
LI RENYI (CN)
ZHANG SEN (CN)
ZHOU GUANGQIN (CN)
JIA ZIXIU (CN)
YANG ZHONGCAN (CN)
HAO ZHENBIAO (CN)
ZHANG XILAI (CN)
WANG ZHICHAO (CN)
YAO WEI (CN)
LIU JIALI (CN)
LI RENYI (CN)
ZHANG SEN (CN)
ZHOU GUANGQIN (CN)
JIA ZIXIU (CN)
YANG ZHONGCAN (CN)
HAO ZHENBIAO (CN)
ZHANG XILAI (CN)
WANG ZHICHAO (CN)
Application Number:
PCT/CN2021/122706
Publication Date:
February 16, 2023
Filing Date:
October 08, 2021
Export Citation:
Assignee:
XIAN THERMAL POWER RES INST CO (CN)
International Classes:
G01S13/88; F23M5/08; F23M11/00
Domestic Patent References:
| WO2018097568A1 | 2018-05-31 |
Foreign References:
| US20150369549A1 | 2015-12-24 | |||
| CN111562589A | 2020-08-21 | |||
| US20150285620A1 | 2015-10-08 | |||
| CN112629453A | 2021-04-09 | |||
| CN102252334A | 2011-11-23 |
Attorney, Agent or Firm:
XI'AN TONG DA PATENT AGENCY CO., LTD. (CN)
Download PDF: