JPS57174386A - Decoking apparatus in cracked heavy oil gas plant - Google Patents
Decoking apparatus in cracked heavy oil gas plantInfo
- Publication number
- JPS57174386A JPS57174386A JP6025981A JP6025981A JPS57174386A JP S57174386 A JPS57174386 A JP S57174386A JP 6025981 A JP6025981 A JP 6025981A JP 6025981 A JP6025981 A JP 6025981A JP S57174386 A JPS57174386 A JP S57174386A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- coke
- cooling
- introduction zone
- conical
- 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
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
PURPOSE: To localize deposition of coke formed during cooling of a cracked heavy oil gas on a specified place and to cut and remove the coke deposition using no purging gas and causing no obstruction to operation, by raising a conical rotary edge provided at the bottom at a proper time.
CONSTITUTION: At the bottom of an inner cylinder 1, a cracked gas introduction zone 2 having a conical horny opening is constituted. Coke 8 is deposited exclusively on the surface of the introduction zone 2 by providing the inner cylinder 1 at the top of a cooling chamber 3, and keeping a neck portion 4 of the introduction zone 2 at a temp. ≥600°C and a periphery 5 at a temp. ≤300°C. At the bottom of the cooling chamber 3, an oil sump 6 is provided, in which a conical cutting edge 7 engaging with the introduction zone 2 is placed. The purpose operation is effected by raising the cutting edge 7 and removing the coke by rotary cutting without using any purging gas. A cooling oil for a wet wall is introduced via an inlet 10 and a cooling oil for washing the cutting edge is introduced via a washing oil atomization zone 9. The both oil are discharged together with a coke lump via an oil outlet 11.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6025981A JPS57174386A (en) | 1981-04-21 | 1981-04-21 | Decoking apparatus in cracked heavy oil gas plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6025981A JPS57174386A (en) | 1981-04-21 | 1981-04-21 | Decoking apparatus in cracked heavy oil gas plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57174386A true JPS57174386A (en) | 1982-10-27 |
| JPS6256918B2 JPS6256918B2 (en) | 1987-11-27 |
Family
ID=13136982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6025981A Granted JPS57174386A (en) | 1981-04-21 | 1981-04-21 | Decoking apparatus in cracked heavy oil gas plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57174386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419851A (en) * | 2014-09-16 | 2016-03-23 | 中国石油天然气股份有限公司 | Coke cleaning device and coke cleaning method |
| JP2016055209A (en) * | 2014-09-05 | 2016-04-21 | 株式会社Ihi | Pyrolysis apparatus |
-
1981
- 1981-04-21 JP JP6025981A patent/JPS57174386A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016055209A (en) * | 2014-09-05 | 2016-04-21 | 株式会社Ihi | Pyrolysis apparatus |
| CN105419851A (en) * | 2014-09-16 | 2016-03-23 | 中国石油天然气股份有限公司 | Coke cleaning device and coke cleaning method |
| CN105419851B (en) * | 2014-09-16 | 2017-02-08 | 中国石油天然气股份有限公司 | Coke cleaning device and coke cleaning method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6256918B2 (en) | 1987-11-27 |
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