The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2022
Filed:
May. 12, 2022
Suzhou Tpri Ener & Enviro Tech Co., Ltd., Jiangsu, CN;
Yubao Song, Jiangsu, CN;
Xinhua Xie, Jiangsu, CN;
Xuecheng Zhao, Jiangsu, CN;
Jinliang He, Jiangsu, CN;
Zhenzu Wei, Jiangsu, CN;
SUZHOU TPRI ENER & ENVIRO TECH CO., LTD., Jiangsu, CN;
Abstract
A rotary air preheater is provided, including: a rotor and a steam soot-blowing device arranged in a cold secondary air inlet channel of secondary air section. The steam soot-blowing device includes a steam sootblower, a first pipe communicating with the steam sootblower and extending in a radial direction of the rotor, and nozzle assemblies communicating with the first pipe. The nozzle assembly includes a first nozzle assembly and a second nozzle assembly, and the first nozzle assembly is located upstream of the second nozzle assembly in a rotational direction of the rotor. The first nozzle assembly includes a sprayer, and diameter of an inlet of the sprayer is smaller than diameter of an outlet thereof. The second nozzle assembly includes at least one nozzle, and steam jet velocity at the outlet of the sprayer is greatly smaller than steam jet velocity at an outlet of the nozzle.