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:
Feb. 10, 2015
Filed:
Apr. 26, 2011
Yupeng Wang, Yan Tai, CN;
Hong Tang, Yan Tai, CN;
Yuwang Miao, Yan Tai, CN;
Wucheng Liu, Yan Tai, CN;
Jingwu Zhang, Yan Tai, CN;
Yubin Zhang, Yan Tai, CN;
Shuweng Sun, Yan Tai, CN;
Xingyuan Cui, Yan Tai, CN;
Xixin Yang, Yan Tai, CN;
Xinguang Wang, Yan Tai, CN;
Zeru Gong, Yan Tai, CN;
Lei Yi, Yan Tai, CN;
Yingtao Wang, Yan Tai, CN;
Yupeng Wang, Yan Tai, CN;
Hong Tang, Yan Tai, CN;
Yuwang Miao, Yan Tai, CN;
Wucheng Liu, Yan Tai, CN;
Jingwu Zhang, Yan Tai, CN;
Yubin Zhang, Yan Tai, CN;
Shuweng Sun, Yan Tai, CN;
Xingyuan Cui, Yan Tai, CN;
Xixin Yang, Yan Tai, CN;
Xinguang Wang, Yan Tai, CN;
Zeru Gong, Yan Tai, CN;
Lei Yi, Yan Tai, CN;
Yingtao Wang, Yan Tai, CN;
Yantai Longyuan Power Technology Co., Ltd., Yan Tai, CN;
Abstract
A pulverized coal burner and a pulverized coal boiler. The coal burner comprises a primary air cylinder () and a pulverized coal concentration device (). The coal concentration device () makes the concentration of the coal flow gradually decrease from inside to outside along the radial direction, with respect to an axis () of the primary air cylinder (). The coal burner further comprises a coal separating cylinder () and a coal guiding cylinder () located downstream of the device (), the rear end of the cylinder () is connected with the front end of the coal guiding cylinder (). The outlet of the cylinder () has a conical expansion portion (). The coal burner further comprises a divergent nozzle () connected with the rear end of the primary air cylinder () and whose cross-sectional area gradually increases along the flow direction of the coal flow.