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:
Jun. 07, 2005
Filed:
Feb. 26, 2003
Richard B. Miller, Katy, TX (US);
Eusebius Gbordzoe, Houston, TX (US);
Yong-lin Yang, Katy, TX (US);
Suisheng M. Dou, Baton Rouge, LA (US);
David Lee Johnson, Clifton, VA (US);
Richard B. Miller, Katy, TX (US);
Eusebius Gbordzoe, Houston, TX (US);
Yong-Lin Yang, Katy, TX (US);
Suisheng M. Dou, Baton Rouge, LA (US);
David Lee Johnson, Clifton, VA (US);
Kellogg Brown and Root, Inc., Houston, TX (US);
Abstract
A multi-cyclone gas/solids separator with reduced solids re-entrainment is disclosed. The separator uses a plurality of cyclones spaced horizontally apart from adjacent cyclones to process flue gas containing residual catalyst fines. Each cyclone has a body that has a feed inlet end for admitting gas and entrained solids into an annular space defined by a sidewall of the cyclone body and a cylindrical gas outlet tube axially aligned with the cyclone body. A solids outlet at an opposing end of the cyclone body has a tangential outlet for solids and a minor amount of gas through a sidewall of the cyclone body. A gas reflux opening is axially aligned with the outlet tube. The plurality of cyclones share both a common catch chamber for solids discharged from the solids outlet, and a common manifold for gas and entrained solids. A plurality of shields are positioned in the catch chamber to inhibit discharge of solids from the tangential outlet of the adjacent cyclones into a vicinity of an inlet of the gas reflux opening.