CA2589583A1 - Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes - Google Patents
Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes Download PDFInfo
- Publication number
- CA2589583A1 CA2589583A1 CA002589583A CA2589583A CA2589583A1 CA 2589583 A1 CA2589583 A1 CA 2589583A1 CA 002589583 A CA002589583 A CA 002589583A CA 2589583 A CA2589583 A CA 2589583A CA 2589583 A1 CA2589583 A1 CA 2589583A1
- Authority
- CA
- Canada
- Prior art keywords
- particulate solids
- standpipe
- fluidized bed
- inlet
- petrochemical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007787 solid Substances 0.000 title abstract 6
- 230000002708 enhancing effect Effects 0.000 title 1
- 238000005243 fluidization Methods 0.000 abstract 2
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
Apparatus which has particular utility in the transfer of particulate solids out of a fluidized bed, comprises means for keeping a bed of particulate solids in a fluidized bed mode in a vessel, a conduit for transferring the particulate solids into the resulting fluidized bed and a standpipe, protruding into the fluidized bed, for transferring particulate solids out of the fluidized bed; the upper part of the standpipe comprises an inlet for receiving particulate solids from the fluidized bed, the inlet is located close to the bottom wall of the vessel such that, when in use, the bottom wall induces a local partial de-fluidization, resulting in a local dense fluidization zone thereabove, near the proximity of the inlet of the standpipe; and the inlet in the upper part of the standpipe comprises a plurality of openings cut through the wall of the standpipe below the upper end and above said bottom wall.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/253,859 US6228328B1 (en) | 1999-02-22 | 1999-02-22 | Standpipe inlet enhancing particulate solids circulation for petrochemical and other processes |
| US09/253,859 | 1999-02-22 | ||
| CA002371854A CA2371854C (en) | 1999-02-22 | 2000-02-18 | Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002371854A Division CA2371854C (en) | 1999-02-22 | 2000-02-18 | Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2589583A1 true CA2589583A1 (en) | 2000-08-31 |
| CA2589583C CA2589583C (en) | 2008-11-18 |
Family
ID=38326393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002589583A Expired - Fee Related CA2589583C (en) | 1999-02-22 | 2000-02-18 | Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2589583C (en) |
-
2000
- 2000-02-18 CA CA002589583A patent/CA2589583C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2589583C (en) | 2008-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |