CN104845656B - A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method - Google Patents
A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method Download PDFInfo
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Abstract
A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method that the present invention provides, raw material enters drying oven after being broken to carry out being dried except water；Carrying out normal pressure dry distilling from drying oven raw material out normal pressure gas retort of making a gift to someone, the oil gas that normal pressure dry distilling produces separates；The solids product of normal pressure gas retort is sent into decompression gas retort and is carried out dry distilling of reducing pressure, and the oil gas that decompression dry distilling produces separates；Solid product after decompression dry distilling extracts with a small amount of solvent；The oil sands bitumen extracted evaporates recycling design through solvent, and sand is through dried recovered solvent.Present invention process combines the advantage of oil-sand dry distilling and extraction and separation technology, the initial gross separation of oil sands bitumen it is achieved that while separating Colophonium and the grains of sand, facilitate the separation processing that product is follow-up, decompression distillation process effectively prevent the coking loss of pyrolysis, realize the efficient utilization of resource, discharge is few, pollutes little.
Description
Technical field
The present invention relates to petroleum refining and separation technology field, particularly relate to a kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device
And method.
Background technology
Oil-sand is also known as Tar sands, heavy oil sand or tar sand.The main component of oil-sand includes Colophonium, water, the grains of sand, clay.Colophonium
Content account for gross weight 3～20%, moisture account for 3～5%, the grains of sand and clay account for 80～85%.World petroleum resource day is becoming tight, oil
Sand can play an important role in following energy resource supply with the source of hydrocarbon rich resource as very oil rule resource.Oil-sand
Resource reserve enrich, gross reserves estimate be about 4,000,000,000,000 barrels of crude oil, account for the 30% of petroleum reserves, have wide market prospect and
Economic development value.The exploitation in oil-sand ore deposit mainly has two kinds of methods: in-situ method and the method for surface mining.Commercial off-the-shelf at present
Sand oil extracting access method is WATER-WASHING METHOD, but WATER-WASHING METHOD be only suitable for process moisturizing type oil-sand, for glossy type oil-sand treatment effect not
Good, and water consumption is big, produces large amount of sewage and mine tailing.Oil-sand normal pressure cracking process green coke amount is big, less economical.Patent
CN102504850A discloses a kind of oil-sand solid thermal carriers low temperature distillation technique, and this technique is by broken for raw material rear and heat carrier
Entering dry distillation reactor stove HYBRID RETORTING, the oil gas of dry distilling output carries out dedusting separating treatment；From dry distillation reactor stove hot lime-ash out
Being transported to diverter through air conveying tower shunt, a part of hot lime-ash is collected through one cyclonic catcher, the hot lime-ash of collection
It is again introduced into dry distillation reactor stove；The hot lime-ash of another part that diverter separates and one cyclonic catcher dust-laden heat smoke one out
Rising and enter two grades of cyclone collectors, the hot lime-ash of collection enters heat exchanger, and preheating enters the air of air conveying tower.Patent
The oil-sand that CN103289716A is less than or equal to 30mm using granularity carries out dry distilling as charging, obtains carbonization gas and semicoke after reaction,
After more above-mentioned carbonization gas being processed, obtain light oil, miscella and fuel gas, decrease the dustiness of carbonization gas.But above-mentioned specially
Profit all uses normal pressure dry distilling, and green coke amount is big, causes the generation of a large amount of low value coke, and does not carry out preliminary during product collection
Separate, during following process, also need to the purpose that consumed energy reaches to separate.Patent CN102888238A discloses a kind of organic
The method of solvent extraction oil-sand medium pitch oil, this technique is by oil-sand, aqueous solution containing surfactant quaternary ammonium salt and organic molten
Agent Petroleum, toluene, petroleum ether or hexamethylene join in reactor, extract, carry under the temperature conditions of 50～60 DEG C
Removing aqueous phase after taking into and obtain oil phase, oil phase is carried out distillation and obtains Colophonium, organic solvent reclaims and recycles, should
Method solvent-oil ratio is big, and when follow-up separated solvent and Colophonium, energy consumption is high.
Summary of the invention
Instant invention overcomes the deficiency of existing retorting technique existence and propose a kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction work
Skill, solves the green coke loss problem of normal pressure dry distilling, achieves oil sands bitumen simultaneously while separating oil sands bitumen and the grains of sand
Initial gross separation, is of value to later separation and the refining of product.Normal pressure has separated most oil sands bitumen, therefore with decompression dry distilling
Have only to use the post-decompression solid product of a small amount of solvent extraction, reduce the energy consumption of later separation, be simultaneously achieved oil sands bitumen
Step separate.
Technical scheme is as follows:
The device of a kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction technique, including raw material destroyer (1), drying oven (2), often
Press dry furnace (3), decompression gas retort (4), solvent extraction contactor (5), solvent evaporator (6), sand exsiccator (7), molten
Agent recycling can (8), solvent recovery condenser (9), dry husky solvent recovery condenser (10) and relevant feedstocks pipeline and connection
The pipeline of above equipment；Destroyer (1) connects drying oven (2) through pipeline (14)；Drying oven is by atmospheric pipe (15) even
Receiving normal pressure gas retort (3), the gas-phase product of normal pressure dry distilling connects dedusting and gas and oil separating plant through pipeline (12)；Normal pressure
Gas retort connects decompression gas retort (4) by reduced pressure line (16), and the gas-phase product that decompression dry distilling produces is through pipeline (13)
Connecting dedusting and gas and oil separating plant, decompression gas retort is by pipeline (11) evacuation；Decompression gas retort is by pipeline (17)
Connect solvent extraction contactor (5)；The liquid phase discharging opening of solvent extraction contactor is connected with solvent evaporator (6) by pipeline (18), molten
Agent vaporizer top exit is connected with condenser (9) by pipeline (19), and condensator outlet is through pipeline (20) and solvent recovery
Tank (8) connects；The solid phase discharging opening of solvent extraction agent is connected to sand exsiccator (7) through pipeline (21), sand exsiccator
Top exit is connected with condenser (10) through pipeline (22), and condensator outlet is through pipeline (23) with solvent recovery tank (8) even
Connect；Solvent recovery tank (8) outlet at bottom is connected to solvent extraction contactor (5) top entry through pipeline (24)；Sand exsiccator
(7) bottom arranges pipeline (25), for solid sand discharge pipe.
Raw material of the present invention first passes through normal pressure dry distilling after being broken, isolate the light component of oil sands bitumen, then by decompression dry distilling,
Isolate the heavy constituent in oil sands bitumen, finally by solvent extraction, reach effectively to prevent being pyrolyzed coking loss and product tentatively divides
From purpose, to realize the efficient and rational utilization of resource.It is characterized in that sending into raw material raw material destroyer (1) to carry out raw material and crush,
Raw material after Po Sui enters drying oven (2) by feed line (14) to carry out being dried except water；Pass through from drying oven raw material out
Atmospheric pipe (15) enters normal pressure gas retort (3) and carries out normal pressure dry distilling, and the gas-phase product of normal pressure dry distilling is through normal pressure discharging pipeline
(12) dedusting and gas and oil separating plant are removed；The solids product of normal pressure gas retort sends into decompression gas retort by reduced pressure line (16)
(4) carrying out dry distilling of reducing pressure, the gas-phase product that decompression dry distilling produces goes dedusting and Oil-gas Separation dress through decompression discharging pipeline (13)
Putting, decompression gas retort is by vacuum pipeline (11) evacuation；Solid product after decompression dry distilling is sent by the pipeline that shakes out (17)
Enter solvent extraction contactor (5) to extract with a small amount of solvent, extract residual bitumen；The Colophonium extracted passes through solvent recovery pipeline
(18) entering solvent evaporator (6) evaporation solvent, the solvent of evaporation goes solvent recovery to condense by solvent condensate line (19)
Solvent recovery tank (8) is entered through solvent pipeloop (20) after device (9) condensation；Sand drying pipeline (21) after extraction
Entering sand exsiccator (7) to be dried and recycling design, the solvent of evaporation enters dry husky solvent through dry sand solvent recovery pipeline (22)
Solvent recovery tank (8) is entered through dry sand solvent pipeloop (23) after reclaiming condenser (10) condensation；Solvent recovery tank (8)
In solvent in return line (24) returns to solvent extraction contactor (5), carry out solvent circulation；Dried sand is by drain
Line (25) is discharged.
Drying oven (2) baking temperature is 100～180 DEG C.
The temperature of normal pressure gas retort (3) is 300～400 DEG C.
The temperature of decompression gas retort (4) is 320～480 DEG C.
The pressure of decompression gas retort (4) is 0.1～90kPa (absolute pressure).
Extraction temperature in solvent extraction contactor (5) is 10～150 DEG C.
A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method that the present invention provides, raw material enters drying oven after being broken
Carry out being dried except water；Carrying out normal pressure dry distilling from drying oven raw material out normal pressure gas retort of making a gift to someone, the oil gas that normal pressure dry distilling produces enters
Row separates；The solids product of normal pressure gas retort is sent into decompression gas retort and is carried out dry distilling of reducing pressure, and the oil gas that decompression dry distilling produces is carried out point
From；Solid product after decompression dry distilling extracts with a small amount of solvent；The oil sands bitumen extracted evaporates recycling design through solvent,
Sand is through dried recovered solvent.Present invention process combines the advantage of oil-sand dry distilling and extraction and separation technology, separate Colophonium and
Being achieved that the initial gross separation of oil sands bitumen while the grains of sand, facilitate the separation processing that product is follow-up, decompression distillation process is effective
The coking preventing pyrolysis is lost, it is achieved the efficient utilization of resource, discharge is few, pollutes little.
Accompanying drawing explanation
Accompanying drawing is a kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction process flow diagram, and accompanying drawing drawing is described as follows:
1. raw material destroyer 2. drying oven 3. normal pressure gas retort 4. reduce pressure gas retort 5. solvent extraction contactor 6. solvent steam
Send out the dry husky solvent recovery condenser 11. of device 7. sand exsiccator 8. solvent recovery tank 9. solvent recovery condenser 10.
Vacuum lines 12. normal pressure goes cleaner unit and gs-oil separator pipeline 13. decompression to remove cleaner unit and gs-oil separator pipeline
14. feed line 15. go normal pressure gas retort pipeline 16. to go decompression gas retort pipeline 17. to remove solvent extraction contactor pipeline 18.
Solvent evaporator pipeline 19. is gone to go condenser pipeline 20. to go solvent recovery tank pipeline 21. to remove sand exsiccator pipeline
22. go condenser pipeline 23. to go solvent recovery tank pipeline 24. to go solvent pipeloop 25. dry sand of solvent extraction contactor to arrange
Go out pipeline
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings:
The present invention uses device as shown in Figure 1: destroyer (1) connects drying oven (2) through pipeline (14)；Drying oven passes through normal pressure
Pipeline (15) is connected to normal pressure gas retort (3), and the gas-phase product of normal pressure dry distilling divides through pipeline (12) connection dedusting and oil gas
From device；Normal pressure gas retort connects decompression gas retort (4), the gas-phase product warp that decompression dry distilling produces by reduced pressure line (16)
Crossing pipeline (13) and connect dedusting and gas and oil separating plant, decompression gas retort is by pipeline (11) evacuation；Decompression gas retort leads to
Cross pipeline (17) and connect solvent extraction contactor (5)；The liquid phase discharging opening of solvent extraction contactor passes through pipeline (18) and solvent evaporator
(6) connecting, solvent evaporator top exit is connected with condenser (9) by pipeline (19), and condensator outlet is through pipeline (20)
It is connected with solvent recovery tank (8)；The solid phase discharging opening of solvent extraction agent is connected to sand exsiccator (7), sand through pipeline (21)
The top exit of sub-exsiccator is connected with condenser (10) through pipeline (22), and condensator outlet returns with solvent through pipeline (23)
Closed cans (8) connects；Solvent recovery tank (8) outlet at bottom is connected to solvent extraction contactor (5) top entry through pipeline (24)；
Pipeline (25) is solid sand discharge pipe.
Operating process is described as follows:
Embodiment 1
The oil-sand Atmospheric vacuum dry distilling complex solvent extraction technique of the present embodiment comprises the steps:
Oil-sand raw material enters drying oven after crushing, is dried at 100 DEG C；Dried raw material enters normal pressure gas retort, 300
Carry out normal pressure dry distilling at DEG C, carry out Oil-gas Separation after the gas-phase product removing dust system of dry distilling, isolate light oil and dry gas；Normal pressure
The solid product of dry distilling enters decompression gas retort, carries out dry distilling of reducing pressure at 320 DEG C under the conditions of 0.1kPa (absolute pressure), and decompression is dry
The condensation carrying out oil product after the gas-phase product removing dust system evaporated is collected；The solid product of decompression dry distilling enters molten after heat exchange cools down
Agent extraction equipment carries out solvent extraction, and the solvent used is Reformed Gasoline, and extraction temperature is 10 DEG C, by solvent and oil sands bitumen
Mixture carries out separated recycling design, and grains of sand drying condensation reclaims the solvent baked out and mixes with the solvent distilled out, solvent
For cycling extraction again.
Embodiment 2
Oil-sand raw material enters drying oven after crushing, is dried at 140 DEG C；Dried raw material enters normal pressure gas retort, 350
Carry out normal pressure dry distilling at DEG C, carry out Oil-gas Separation after the gas-phase product removing dust system of dry distilling, isolate light oil and dry gas；Normal pressure
The solid product of dry distilling enters decompression gas retort, carries out dry distilling of reducing pressure at 400 DEG C under the conditions of 45kPa (absolute pressure), dry distilling of reducing pressure
Gas-phase product removing dust system after carry out oil product condensation collect；The solid product of decompression dry distilling enters solvent after heat exchange cools down
Extraction equipment carries out solvent extraction, and the solvent used is Reformed Gasoline, and extraction temperature is 80 DEG C, is mixed with oil sands bitumen by solvent
Compound carries out separated recycling design, and grains of sand drying condensation reclaims the solvent baked out and mixes with the solvent distilled out, and solvent is used
In cycling extraction again.
Embodiment 3
Oil-sand raw material enters drying oven after crushing, is dried at 180 DEG C；Dried raw material enters normal pressure gas retort, 400
Carry out normal pressure dry distilling at DEG C, carry out Oil-gas Separation after the gas-phase product removing dust system of dry distilling, isolate light oil and dry gas；Normal pressure
The solid product of dry distilling enters decompression gas retort, carries out dry distilling of reducing pressure at 480 DEG C under the conditions of 90kPa (absolute pressure), dry distilling of reducing pressure
Gas-phase product removing dust system after carry out oil product condensation collect；The solid product of decompression dry distilling enters solvent after heat exchange cools down
Extraction equipment carries out solvent extraction, and the solvent used is Reformed Gasoline, and extraction temperature is 150 DEG C, by solvent and oil sands bitumen
Mixture carries out separated recycling design, and grains of sand drying condensation reclaims the solvent baked out and mixes with the solvent distilled out, solvent
For cycling extraction again.
Present invention process proposes a kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction technique, is described by preferred embodiments,
Person skilled substantially in without departing from present invention, spirit and scope, process as described herein flow process can be modified or
Suitably change and combination, realize the technology of the present invention.Special needs to be pointed out is, all similar replacements and change are to ability
Being apparent from for field technique personnel, they are considered as being included in present invention spirit, scope and content.
Claims (7)
1. an oil-sand Atmospheric vacuum dry distilling complex solvent extraction device, does including raw material destroyer (1), drying oven (2), normal pressure
Furnace (3), decompression gas retort (4), solvent extraction contactor (5), solvent evaporator (6), sand exsiccator (7),
Solvent recovery tank (8), solvent recovery condenser (9), dry husky solvent recovery condenser (10) and relevant feedstocks pipe
Line and the pipeline of the above equipment of connection；Destroyer (1) connects drying oven (2) through pipeline (14)；Drying oven is by often
Pressure pipeline (15) is connected to normal pressure gas retort (3), and the gas-phase product of normal pressure dry distilling connects dedusting through pipeline (12)
And gas and oil separating plant；Normal pressure gas retort connects decompression gas retort (4) by reduced pressure line (16), and decompression dry distilling is produced
Raw gas-phase product connects dedusting and gas and oil separating plant through pipeline (13), and decompression gas retort is taken out by pipeline (11)
Vacuum；Decompression gas retort connects solvent extraction contactor (5) by pipeline (17)；The liquid phase discharging opening of solvent extraction contactor leads to
Crossing pipeline (18) to be connected with solvent evaporator (6), solvent evaporator top exit is returned with solvent by pipeline (19)
Receiving condenser (9) to connect, condensator outlet is connected with solvent recovery tank (8) through pipeline (20)；Solvent extraction agent
Solid phase discharging opening be connected to sand exsiccator (7) through pipeline (21), the top exit of sand exsiccator is through pipeline (22)
Being connected with dry husky solvent recovery condenser (10), condensator outlet is connected with solvent recovery tank (8) through pipeline (23)；
Solvent recovery tank (8) outlet at bottom is connected to solvent extraction contactor (5) top entry through pipeline (24)；Sand is dried
Device (7) bottom arranges pipeline (25), for solid sand discharge pipe.
2. use the device of claim 1 to carry out oil-sand Atmospheric vacuum dry distilling complex solvent extraction method, it is characterized in that raw material is sent into former
Material destroyer (1) carries out raw material and crushes, and the raw material after crushing enters drying oven (2) by feed line (14) and enters
Row is dried except water；Enter normal pressure gas retort (3) from drying oven raw material out by atmospheric pipe (15) and carry out normal pressure
Dry distilling, the gas-phase product of normal pressure dry distilling removes dedusting and gas and oil separating plant through normal pressure discharging pipeline (12)；Normal pressure is done
The solids product of furnace is sent into decompression gas retort (4) by reduced pressure line (16) and is carried out dry distilling of reducing pressure, and decompression dry distilling is produced
Raw gas-phase product goes dedusting and gas and oil separating plant, decompression gas retort to pass through vacuum through decompression discharging pipeline (13)
Pipeline (11) evacuation；Solid product after decompression dry distilling sends into solvent extraction contactor (5) by the pipeline that shakes out (17)
Extract with a small amount of solvent, extract residual bitumen；The Colophonium extracted is entered by solvent recovery pipeline (18)
Solvent evaporator (6) evaporation solvent, the solvent of evaporation removes solvent recovery condenser (9) by solvent condensate line (19)
Solvent recovery tank (8) is entered through solvent pipeloop (20) after condensation；Sand drying pipeline (21) after extraction
Entering sand exsiccator (7) to be dried and recycling design, the solvent of evaporation enters dry through dry sand solvent recovery pipeline (22)
Solvent recovery tank (8) is entered through dry sand solvent pipeloop (23) after husky solvent recovery condenser (10) condensation；Molten
Solvent in agent recycling can (8) carries out solvent circulation in return line (24) returns to solvent extraction contactor (5)；
Dried sand is discharged by getting rid of pipeline (25).
3. method as claimed in claim 2, is characterized in that drying oven (2) baking temperature is 100～180 DEG C.
4. method as claimed in claim 2, is characterized in that the temperature of normal pressure gas retort (3) is 300～400 DEG C.
5. method as claimed in claim 2, is characterized in that the temperature of decompression gas retort (4) is 320～480 DEG C.
6. method as claimed in claim 2, is characterized in that the absolute pressure of decompression gas retort (4) is 0.1～90kPa.
7. method as claimed in claim 2, is characterized in that the extraction temperature in solvent extraction contactor (5) is 10～150 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510245619.3A CN104845656B (en) | 2015-05-14 | 2015-05-14 | A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method |
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| CN201510245619.3A CN104845656B (en) | 2015-05-14 | 2015-05-14 | A kind of oil-sand Atmospheric vacuum dry distilling complex solvent extraction device and method |
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| CN104845656B true CN104845656B (en) | 2016-11-16 |
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| JPS58141286A (en) * | 1982-02-18 | 1983-08-22 | Japan Steel Works Ltd:The | Multiple heat supply-type fluidizing dry distillation of oil shale and apparatus therefor |
| US4563264A (en) * | 1983-02-22 | 1986-01-07 | Metallgesellschaft Aktiengesellschaft | Method of dry distillation of volatile substances from mineral matter containing same |
| CN102433144A (en) * | 2011-10-29 | 2012-05-02 | 大连天润能源技术开发有限公司 | Oil sand and oil shale comprehensive utilization method and device thereof |
| CN104087329A (en) * | 2014-07-25 | 2014-10-08 | 樊金鑫 | Linkage spiral return stroke type oil sand dry distillation system |
| CN204714753U (en) * | 2015-05-14 | 2015-10-21 | 天津大学 | A kind of oil-sand Atmospheric vacuum destructive distillation complex solvent extraction device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2714236A1 (en) * | 2010-09-01 | 2012-03-01 | Syncrude Canada Ltd. | Extraction of oil sand bitumen with two solvents |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58141286A (en) * | 1982-02-18 | 1983-08-22 | Japan Steel Works Ltd:The | Multiple heat supply-type fluidizing dry distillation of oil shale and apparatus therefor |
| US4563264A (en) * | 1983-02-22 | 1986-01-07 | Metallgesellschaft Aktiengesellschaft | Method of dry distillation of volatile substances from mineral matter containing same |
| CN102433144A (en) * | 2011-10-29 | 2012-05-02 | 大连天润能源技术开发有限公司 | Oil sand and oil shale comprehensive utilization method and device thereof |
| CN104087329A (en) * | 2014-07-25 | 2014-10-08 | 樊金鑫 | Linkage spiral return stroke type oil sand dry distillation system |
| CN204714753U (en) * | 2015-05-14 | 2015-10-21 | 天津大学 | A kind of oil-sand Atmospheric vacuum destructive distillation complex solvent extraction device |
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| "油砂干馏热解实验研究";吴兴明;《烟台职业学院学报》;20120630;第18卷(第2期);第88-92页 * |
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