RU2013130089A - METHOD FOR TWO-COLUMNED PROPANE OIL RESIDUAL DEASPHALTISATION - Google Patents
METHOD FOR TWO-COLUMNED PROPANE OIL RESIDUAL DEASPHALTISATION Download PDFInfo
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- RU2013130089A RU2013130089A RU2013130089/04A RU2013130089A RU2013130089A RU 2013130089 A RU2013130089 A RU 2013130089A RU 2013130089/04 A RU2013130089/04 A RU 2013130089/04A RU 2013130089 A RU2013130089 A RU 2013130089A RU 2013130089 A RU2013130089 A RU 2013130089A
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- propane
- deasphalting
- extractor
- solution
- heating
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
1. Способ двухколонной пропановой деасфальтизации нефтяных остатков в двух последовательно соединенных экстракторах, по которому сырье смешивают с жидким пропаном, смесь охлаждают и вводят в первый экстрактор для разделения на раствор деасфальтизата I и асфальтовую фазу, отличающийся тем, что сырье смешивают с частью пропана, с вводом охлажденной смеси на несколько ступеней выше нижнего ввода оставшегося количества пропана, раствор деасфальтизата I без нагрева наверху первого экстрактора направляют вниз второго экстрактора, в котором за счет повышения температуры верха разделяют на рисайкл и раствор деасфальтизата II, с регенерацией из него пропана путем постепенного нагрева и снижения давления в испарителях пропана до давления в системе конденсации пропана, с дополнительным нагревом раствора деасфальтизата II из последнего испарителя пропана до 240-250°C, с возвратом рисайкла насосом наверх первого экстрактора, с подачей полученных продуктов в отпарные колонны, работающие без подачи в них водяного пара.2. Температура верха второго экстрактора не превышает 55°C.1. The method of two-column propane deasphalting of oil residues in two series-connected extractors, in which the raw material is mixed with liquid propane, the mixture is cooled and introduced into the first extractor for separation into a solution of deasphalting agent I and the asphalt phase, characterized in that the raw material is mixed with a part of propane, with by introducing the cooled mixture several steps above the lower input of the remaining amount of propane, the solution of deasphalting agent I without heating at the top of the first extractor is sent down to the second extractor, in which and due to the increase in the temperature of the top, the deasphalting solution II is divided into a risicl and a solution of deasphalting agent II, with propane regenerating from it by gradually heating and reducing the pressure in the propane evaporators to a pressure in the propane condensation system, with additional heating of the deasphalting solution II from the last propane evaporator to 240-250 ° C , with the return of the risiclele by the pump to the top of the first extractor, with the supply of the products obtained in stripping columns operating without supplying water vapor to them. 2. The top temperature of the second extractor does not exceed 55 ° C.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013130089/04A RU2552419C2 (en) | 2013-07-01 | 2013-07-01 | Method of two column propane deasphalting of oil residues |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013130089/04A RU2552419C2 (en) | 2013-07-01 | 2013-07-01 | Method of two column propane deasphalting of oil residues |
Publications (2)
Publication Number | Publication Date |
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RU2013130089A true RU2013130089A (en) | 2015-01-20 |
RU2552419C2 RU2552419C2 (en) | 2015-06-10 |
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Application Number | Title | Priority Date | Filing Date |
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RU2013130089/04A RU2552419C2 (en) | 2013-07-01 | 2013-07-01 | Method of two column propane deasphalting of oil residues |
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RU (1) | RU2552419C2 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US380732A (en) * | 1888-04-10 | smith | ||
KR940008388B1 (en) * | 1989-02-27 | 1994-09-14 | 케르-맥기 코오포레이숀 | Solvent extraction process |
RU2068869C1 (en) * | 1994-02-14 | 1996-11-10 | Акционерное общество открытого типа "Всероссийский научно-исследовательский и конструкторско-технологический институт оборудования нефтеперерабатывающей и нефтехимической промышленности" | Process of deasphalting tar |
RU2235110C1 (en) * | 2002-11-29 | 2004-08-27 | Нигматуллин Виль Ришатович | Two-step process for propane deasphalting of vacuum residues |
RU2436836C2 (en) * | 2009-12-14 | 2011-12-20 | Феликс Саитович Биктимиров | Procedure for "dry" propane de-asphaltisation of oil residues |
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2013
- 2013-07-01 RU RU2013130089/04A patent/RU2552419C2/en not_active IP Right Cessation
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Publication number | Publication date |
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RU2552419C2 (en) | 2015-06-10 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20190702 |