CN104513672A - Solvent refining equipment - Google Patents
Solvent refining equipment Download PDFInfo
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- CN104513672A CN104513672A CN201310449656.7A CN201310449656A CN104513672A CN 104513672 A CN104513672 A CN 104513672A CN 201310449656 A CN201310449656 A CN 201310449656A CN 104513672 A CN104513672 A CN 104513672A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
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- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to solvent refining equipment. A first-section extraction tower is connected to a solvent tank, and is connected to a first-section refined solution recovering system. A bottom outlet of the first-section extraction tower is connected to a static mixer. A first-section extracted solution cooler is connected to the static mixer, and is connected to a settling tank. The settling tank is connected to a second-section extraction tower and is connected to an extracted solution heat exchanger. The extracted solution heat exchanger is connected to an extracted solution evaporation tower. The second-section extraction tower is connected to the solvent tank, a second-section refined solution recovering system, and a settling-tank-bottom extracted solution pipeline. The extracted solution evaporation tower is connected to a furfural recovering pipeline through an evaporation-tower-top condenser-cooler, and is connected to an extracted oil solution pump. The extracted oil solution pump is connected to an inlet of the static mixer. The equipment enhances selective dissolution capability of solvents, produces refined oil of lubrication oil and environmental-friendly rubber oil, increases the yield of refined oil products, and increases economic benefit of enterprises.
Description
Technical field:
The present invention relates to a kind of lube oil finishing of production simultaneously oil and the solvent refining unit of environment-friendly rubber oil, relate in particular to a kind of " two-stage extraction+sedimentation " solvent refining unit being used for the oily and environment-friendly rubber oil of production lube oil finishing simultaneously.
Background technology
Two stage extraction utilizes the various combination of two extraction towers and raw material and solvent to improve oil yield and quality and to reduce a kind of two-section extraction treating process of total solvent ratio.At present, domestic have Sinopec Beijing Yanshan Mountain branch office refinery 700,000 tons/year of furfural extraction units about lube oil furfural refining two-stage extraction process application, it adopts stock oil to connect, solvent is connected, the treated oil of one section of extraction tower is the charging of two stage extraction tower, the extraction of two stage extraction is oily after slurry tank is separated, as the solvent of one section of extracting; Sinopec Maoming branch office two overlaps furfural device and adopts " packing tower-combination tower " technique and " slurry tank-combination tower " technique respectively, and it all adopts stock oil to connect, solvent tandem process; Factory of shanghai refinery of Sinopec Gaoqiao Petrochemical Company company lube oil furfural refining unit, CNPC's Taken By Yumen General Petroleum Refining And Petrochemical Works 200,000 tons/year of lube oil furfural refining units all adopt the two-section extraction technique that double tower raw material is connected, solvent is shunted, stock oil enters from first paragraph extraction tower bottom, contact with the circulation furfural entered from tower top is reverse, tower top raffinate enters from second segment extraction tower bottom as raw material after cooling, carries out second segment extraction with reverse contact of the circulation furfural entered from tower top.
The application of above two-stage extraction technique is all used to improve oil yield, and not mentioned as the oil of production lube oil finishing simultaneously and environment-friendly rubber oil.Pertinent literature and patent report is not had to utilize " two-stage extraction+sedimentation " method of solvent refining unit production lube oil finishing simultaneously oil and environment-friendly rubber oil.
Summary of the invention
The object of this invention is to provide a kind of solvent refining unit, a kind of oil of production lube oil finishing simultaneously and " two-stage extraction+sedimentation " solvent refining unit of environment-friendly rubber oil of being used for.Both can improve the yield of lubricating oil solvent oil, again can production lube oil finishing simultaneously oil and environment-friendly rubber oil, comprise process aromatic hydrocarbon oil (TDAE), shallow oil pumping (MES), naphthenic oil (NAP).
Solvent refining unit of the present invention is made up of raw oil pump, one-section abstraction tower, static mixer, one section of Extract water cooler, slurry tank, two stage extraction tower, Extract interchanger, Extract evaporator tower, evaporation tower top condensate cooler, extraction fluid pump and connection line;
Raw oil pump import is connected with material tank, and raw oil pump outlet is connected with the entrance of one-section abstraction tower bottom; The outlet of one-section abstraction top of tower is connected with refined liquid recovery system by one section of refined liquid pipeline, one-section abstraction tower upper entrance is connected with solvent tank by fresh solvent pipeline, and the outlet of one-section abstraction tower bottom is connected with static mixer entrance by one section of Extract pipeline; Static mixer outlet is connected with one section of Extract water cooler shell side inlet, and one section of Extract water cooler shell-side outlet is connected with slurry tank entrance; Slurry tank top exit is connected with two stage extraction tower lower entrances by lye pipeline, slurry tank outlet at bottom is connected with Extract heat exchanger shell pass entrance by Extract pipeline at the bottom of slurry tank, and the outlet of Extract heat exchanger shell pass is connected with Extract evaporator tower entrance; Two stage extraction tower upper entrance is connected with solvent tank by fresh solvent pipeline, the outlet of two stage extraction top of tower is connected with two-section refinement liquid recovery system by two-section refinement liquid pipeline, and the outlet of two stage extraction tower bottom is connected with Extract pipeline at the bottom of slurry tank by two sections of Extract pipelines; Extract evaporator tower top exit is connected with furfural recovery line through evaporation tower top condensate cooler shell side, Extract evaporator tower outlet at bottom is connected with extraction fluid pump by extracting fluid pipeline out, extracts fluid pump out and is connected with static mixer import by returning extraction fluid pipeline.
Solvent enters from the top of one-section abstraction tower, and stock oil enters from extraction tower bottom, the two counter current contact, and refined liquid flows out from top of tower, and desolventizing recovery system recycling design also obtains treated oil, and treated oil can be used as lubricant base after post-refining; Extract at the bottom of one-section abstraction tower is extracted fluid out and is mixed into slurry tank through static mixer with returning, mixed solution is at the saturated aromatic hydrocarbons of slurry tank upper strata cutting out partial, for lye, enter two-stage extraction tower bottom, contact with the solvent counter current entered from extraction tower top, environment-friendly rubber fluid flows out from top of tower, obtains environment-friendly rubber oil after desolventizing recovery system recycling design; The extraction fluid that Extract 11 at the bottom of slurry tank obtains together with the Extract at the bottom of reextraction tower after heating multiple-effect evaporation, a part gets back to slurry tank, and another part obtains extracting oil out after flash distillation stripping.
The solvent recuperation of Extract can adopt the mode of multiple-effect evaporation to carry out, and needs multiple evaporator tower and stripping tower.
Use this device, by stage extraction, improve the selective dissolution ability of solvent, when identical fresh solvent than, can undesirable components more effectively in Selective dissolution extraction feed oil, retain ideal composition, produce a kind of lube oil finishing oil; And the Extract after sedimentation is in extraction process, the ideal composition contained by it part can be separated out and produce environment-friendly rubber oil.This process unit can be produced lube oil finishing oil simultaneously and meet European Union environmental protection bill and will try to achieve environment-friendly rubber oil, meets market demand, improves the competitive power of enterprise, improve refined oil products yield, improve the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is this solvent refining unit structural representation.
Wherein: 1. raw oil pump; 2. fresh solvent pipeline; 3. one-section abstraction tower; 5. one section of refined liquid pipeline; 6. one section of Extract pipeline; 7. static mixer; 8. one section of Extract water cooler; 9. slurry tank; 10. lye pipeline; Extract pipeline at the bottom of 11. slurry tanks; 12. two-section refinement liquid pipelines; 13. two stage extraction towers; 14. 2 sections of Extract pipelines; 15. Extract interchanger; 16. Extract evaporator towers; 17. evaporation tower top condensate coolers; 18. extract fluid pump out; 19. return extraction fluid pipeline; 20. extract fluid pipeline out; 21. furfural recovery line
Embodiment
Solvent refining unit of the present invention is made up of raw oil pump 1, one-section abstraction tower 3, static mixer 7, one section of Extract water cooler 8, slurry tank 9, two stage extraction tower 13, Extract interchanger 15, Extract evaporator tower 16, evaporation tower top condensate cooler 17, extraction fluid pump 18 and connection line;
Raw oil pump 1 import is connected with material tank 4, and raw oil pump 1 outlet is connected with the entrance bottom one-section abstraction tower 3; One-section abstraction tower 3 top exit is connected with refined liquid recovery system by one section of refined liquid pipeline 5, one-section abstraction tower 3 upper entrance is connected with solvent tank by fresh solvent pipeline, and one-section abstraction tower 3 outlet at bottom is connected with static mixer 7 entrance by one section of Extract pipeline 6; Static mixer 7 outlet is connected with one section of Extract water cooler 8 shell side inlet, and one section of Extract water cooler 8 shell-side outlet is connected with slurry tank 9 entrance; Slurry tank 9 top exit is connected with two stage extraction tower 13 lower entrances by lye pipeline 10, slurry tank 9 outlet at bottom is connected with Extract interchanger 15 shell side inlet by Extract pipeline 11 at the bottom of slurry tank, and Extract interchanger 15 shell-side outlet is connected with Extract evaporator tower 16 entrance; Two stage extraction tower 13 upper entrance is connected with solvent tank by fresh solvent pipeline, two stage extraction tower 13 top exit is connected with two-section refinement liquid recovery system by two-section refinement liquid pipeline 12, and two stage extraction tower 13 outlet at bottom is connected with Extract pipeline 11 at the bottom of slurry tank by two sections of Extract pipelines 14; Extract evaporator tower 16 top exit is connected with furfural recovery line 21 through evaporation tower top condensate cooler 17 shell side, Extract evaporator tower 16 outlet at bottom is connected with extraction fluid pump 18 by extracting fluid pipeline 20 out, extracts fluid pump 18 out and is connected with static mixer 7 import by returning extraction fluid pipeline 19.
Claims (1)
1. a solvent refining unit, is made up of raw oil pump, one-section abstraction tower, static mixer, one section of Extract water cooler, slurry tank, two stage extraction tower, Extract interchanger, Extract evaporator tower, evaporation tower top condensate cooler, extraction fluid pump and connection line; It is characterized in that:
Raw oil pump import is connected with material tank, and raw oil pump outlet is connected with the entrance of one-section abstraction tower bottom; The outlet of one-section abstraction top of tower is connected with refined liquid recovery system by one section of refined liquid pipeline, one-section abstraction tower upper entrance is connected with solvent tank by fresh solvent pipeline, and the outlet of one-section abstraction tower bottom is connected with static mixer entrance by one section of Extract pipeline; Static mixer outlet is connected with one section of Extract water cooler shell side inlet, and one section of Extract water cooler shell-side outlet is connected with slurry tank entrance; Slurry tank top exit is connected with two stage extraction tower lower entrances by lye pipeline, slurry tank outlet at bottom is connected with Extract heat exchanger shell pass entrance by Extract pipeline at the bottom of slurry tank, and the outlet of Extract heat exchanger shell pass is connected with Extract evaporator tower entrance; Two stage extraction tower upper entrance is connected with solvent tank by fresh solvent pipeline, the outlet of two stage extraction top of tower is connected with two-section refinement liquid recovery system by two-section refinement liquid pipeline, and the outlet of two stage extraction tower bottom is connected with Extract pipeline at the bottom of slurry tank by two sections of Extract pipelines; Extract evaporator tower top exit is connected with furfural recovery line through evaporation tower top condensate cooler shell side, Extract evaporator tower outlet at bottom is connected with extraction fluid pump by extracting fluid pipeline out, extracts fluid pump out and is connected with static mixer import by returning extraction fluid pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449656.7A CN104513672B (en) | 2013-09-27 | 2013-09-27 | A kind of solvent refining unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310449656.7A CN104513672B (en) | 2013-09-27 | 2013-09-27 | A kind of solvent refining unit |
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| CN104513672A true CN104513672A (en) | 2015-04-15 |
| CN104513672B CN104513672B (en) | 2016-10-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923051A (en) * | 2019-12-06 | 2020-03-27 | 烟台立衡环保科技有限公司 | Regeneration refining process for waste lubricating oil |
| CN114317093A (en) * | 2021-12-23 | 2022-04-12 | 安徽国孚凤凰科技有限公司 | Extraction device and method for distillation distillate oil of waste lubricating oil |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB466730A (en) * | 1935-05-14 | 1937-06-03 | Bataafsche Petroleum | A process for extracting a liquid mixture with the aid of a selective solvent |
| US3205167A (en) * | 1961-04-24 | 1965-09-07 | British Petroleum Co | Solvent extraction of hydrocarbon mixtures |
| CN102191082A (en) * | 2010-03-11 | 2011-09-21 | 中国石油化工股份有限公司 | Distillate Aromatic Extract and preparation method thereof |
| RU2450045C1 (en) * | 2010-09-29 | 2012-05-10 | Общество с ограниченной ответственностью "Инпрогресс" | Method of producing base oil having low content of sulphur and ecologically clean aromatic filler materials and caoutchouc and rubber plasticisers |
| CN102559248A (en) * | 2012-02-16 | 2012-07-11 | 中国石油大学(华东) | Method for increasing yield of lubricating base oil |
| CN202595050U (en) * | 2012-05-28 | 2012-12-12 | 中国石油天然气股份有限公司 | Production device of high-performance environmental protection rubber oil |
| CN203513595U (en) * | 2013-09-27 | 2014-04-02 | 中国石油天然气集团公司 | Solvent refining device |
-
2013
- 2013-09-27 CN CN201310449656.7A patent/CN104513672B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB466730A (en) * | 1935-05-14 | 1937-06-03 | Bataafsche Petroleum | A process for extracting a liquid mixture with the aid of a selective solvent |
| US3205167A (en) * | 1961-04-24 | 1965-09-07 | British Petroleum Co | Solvent extraction of hydrocarbon mixtures |
| CN102191082A (en) * | 2010-03-11 | 2011-09-21 | 中国石油化工股份有限公司 | Distillate Aromatic Extract and preparation method thereof |
| RU2450045C1 (en) * | 2010-09-29 | 2012-05-10 | Общество с ограниченной ответственностью "Инпрогресс" | Method of producing base oil having low content of sulphur and ecologically clean aromatic filler materials and caoutchouc and rubber plasticisers |
| CN102559248A (en) * | 2012-02-16 | 2012-07-11 | 中国石油大学(华东) | Method for increasing yield of lubricating base oil |
| CN202595050U (en) * | 2012-05-28 | 2012-12-12 | 中国石油天然气股份有限公司 | Production device of high-performance environmental protection rubber oil |
| CN203513595U (en) * | 2013-09-27 | 2014-04-02 | 中国石油天然气集团公司 | Solvent refining device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923051A (en) * | 2019-12-06 | 2020-03-27 | 烟台立衡环保科技有限公司 | Regeneration refining process for waste lubricating oil |
| CN114317093A (en) * | 2021-12-23 | 2022-04-12 | 安徽国孚凤凰科技有限公司 | Extraction device and method for distillation distillate oil of waste lubricating oil |
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| Publication number | Publication date |
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| CN104513672B (en) | 2016-10-19 |
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