CN104560151A - Method for refining gasoline and diesel from waste lubricating oil - Google Patents
Method for refining gasoline and diesel from waste lubricating oil Download PDFInfo
- Publication number
- CN104560151A CN104560151A CN201410773996.XA CN201410773996A CN104560151A CN 104560151 A CN104560151 A CN 104560151A CN 201410773996 A CN201410773996 A CN 201410773996A CN 104560151 A CN104560151 A CN 104560151A
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- China
- Prior art keywords
- oil
- gas
- lubricating oil
- waste lubricating
- salt
- 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.)
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Classifications
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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
- C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
- C10M175/0033—Working-up used lubricants to recover useful products ; Cleaning by thermal processes using distillation processes; devices therefor
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
- C10G2300/1007—Used oils
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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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
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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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to the technical field of chemical engineering and particularly relates to a method for refining gasoline and diesel from waste lubricating oil. The method comprises the following steps of dehydrating and distilling the waste lubricating oil to obtain light oil by virtue of a flash tank, carrying out catalytic thermal cracking on the waste lubricating oil by virtue of a sealed vaporization kettle to obtain oil gas, extruding powder carbon black residues in the oil gas out, cooling to be used as a chemical raw material, removing hydrogen sulfide and hydrogen chloride gas in the oil gas by virtue of a desulfurization-dechlorination tower, carrying out catalytic cracking on the oil gas by virtue of one side of a fixed bed catalytic tower to obtain high-quality oil gas, separating gasoline from diesel in the high-quality oil gas by virtue of a rectifying tower and recovering non-condensable gas in the oil gas as thermal energy for heating the waste lubricating oil. The method has the advantages of no pollution, zero energy consumption, environmental friendliness, low consumption and easiness in operation and is full-automatic and the completely harmless, non-polluting and optimal resource utilization of the lubricating oil can be achieved.
Description
Technical field
The present invention relates to chemical technology field, especially a kind of method adopting waste lubricating oil to refine petrol and diesel oil.
Background technology
Along with the development that petroleum industry is advanced by leaps and bounds, be that raw-material lube product is used widely in national economy every field with oil, lubricant products is while bringing convenience to the life of people, also day by day serious pollution is created, but seldom recycling is had, the waste lubricating oil overwhelming majority changed is outwelled on the spot or burns, and not only wastes ample resources but also cause Heavy environmental pollution;
At present, the oil refining method of domestic much waste lubricating oil equipment, can not continuous seepage, and energy consumption is high, poor stability, often occurs explosion issues, and fails to solve in process and discharge poisonous fume, waste water and waste residue problem, thus produces secondary pollution.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of method adopting waste lubricating oil to refine petrol and diesel oil, this oil refining method is environment friendly and pollution-free, decreases the discharge of waste gas, and energy continuous seepage, reduces energy consumption, easy to operate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method adopting waste lubricating oil to refine petrol and diesel oil, and the method is: 1) first waste lubricating oil enters slurry tank, and waste lubricating oil is carried out sampling observation separating treatment, reduces water content and removing impurity by means of precipitation; Send into flash tank through high temperature oil pump, in the flash tank of band whipping appts, the hot melt salt through Salt heater heats, and realizes waste lubricating oil processed and light for waste lubricating oil group is distillated directly passing into watercooler.
2) by high temperature oil pump, the waste lubricating oil after dehydration is sent into vaporization still, hot melt salt through Salt heater heats, at the processing requirement temperature of vaporization still, waste lubricating oil gasifies as the powdery carbon black residue in oil vapour and oil gas body, complete waste lubricating oil thermo-cracking, the slag off apparatus that powdery carbon black residue is arranged by still of vaporizing is discharged.
3) oil gas through the cracking of overflash still enters vaporization still filtration tank, filters the carbon dust in oil gas.
4) oil gas after vaporization still filtration tank filters enters fixed-bed catalytic tower and carries out catalytic reforming, the hot gas of Salt heater is utilized to heat, have gas phase catalyst in fixed-bed catalytic tower, impel the further cracking of oil gas, oil gas is catalyzed further resolves into the better oil product of quality.A part in fixed-bed catalytic tower is toxic gas and HS gas, is passed into smoke eliminator with induced draft fan, realizes treating processes without blowdown.
5) oil gas of the better oil product of quality enters separation column, petrol and diesel oil in oil gas is separated by the feature different according to oil gas each component boiling point, diesel component enters diesel oil tundish buffering and temporary storage through watercooler cooling, then through geared oil pump suction diesel storing, the diesel oil in diesel storing is production through advanced treatment can apply diesel oil resource.
6) gasoline component in separation column and the gasoline component distillated by flash tank enter catch pot after watercooler cooling; Gasoline and noncondensable gas are separated by catch pot, and the gasoline in gasoline basin is through advanced treatment and produces available gasoline resource, and the gasoline in gasoline basin is extracted out through reflux pump, for controlling fractionator overhead temperature; The gas that can not become oil product in catch pot is separated from catch pot, do surge tank through the suction of vacuum pump group after cooling and collect buffering, then enter dry gas desulfurization dechlorination refining plant and carry out desulfurization dechlorination, enter dry gas cabinet subsequently and carry out dry gas distribution, as the fuel of Salt heater combustion engine.
7) fused salt in fused salt tank passes through electrically heated, reach liquefaction, Salt heater is got to by high-temperature melting salt pump, Salt heater is heated to technological temperature by combustion engine, hot melt salt in Salt heater is to flash tank and the heat supply of vaporization still, and the hot gas in Salt heater is heated to fixed-bed catalytic tower by Cemented filling.Flash tank and the fused salt of vaporizing in still are back to fused salt tank and carry out recycle.
The invention has the beneficial effects as follows, a kind of method adopting waste lubricating oil to refine petrol and diesel oil, vaporization still utilizes Salt heater to heat, and thermo-efficiency can reach 80% ~ 90%, improves the efficiency of 50% ~ 60% than traditional type of heating; Heating source initialization is heated for oil product (diesel oil) by means of outer.Until waste lubricating oil after cracking generation enough can not become oily inflammable gas in vaporization still, then there is self to produce and oily inflammable gas can not be become as heating source; The residue produced after waste lubricating oil cracking, main component is powdered carbon black, is industrial chemicals, turns waste into wealth, protection of the environment after the cooling of powdery carbon black; This waste lubricating oil becomes oily rate to reach 80-95% according to waste lubricating oil character; The disposable standard that can reach nonstandard petrol and diesel oil of waste lubricating oil cracking, do not have a time in traditional technology, two times, three times point, centre province three process, reduces energy consumption, improves profit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is schematic flow sheet of the present invention.
Embodiment
With reference to accompanying drawing, a kind of method adopting waste lubricating oil to refine petrol and diesel oil, the method is: 1) first waste lubricating oil enters slurry tank, and waste lubricating oil is carried out sampling observation separating treatment, reduces water content and removing impurity by means of precipitation; Send into flash tank through high temperature oil pump, in the flash tank of band whipping appts, the hot melt salt through Salt heater heats, and realizes waste lubricating oil processed and light for waste lubricating oil group is distillated directly passing into watercooler.
2) by high temperature oil pump, the waste lubricating oil after dehydration is sent into vaporization still, hot melt salt through Salt heater heats, at the processing requirement temperature of vaporization still, waste lubricating oil gasifies as the powdery carbon black residue in oil vapour and oil gas body, complete waste lubricating oil thermo-cracking, the slag off apparatus that powdery carbon black residue is arranged by still of vaporizing is discharged.
3) oil gas through the cracking of overflash still enters vaporization still filtration tank, filters the carbon dust in oil gas.
4) oil gas after vaporization still filtration tank filters enters fixed-bed catalytic tower and carries out catalytic reforming, the hot gas of Salt heater is utilized to heat, have gas phase catalyst in fixed-bed catalytic tower, impel the further cracking of oil gas, oil gas is catalyzed further resolves into the better oil product of quality.A part in fixed-bed catalytic tower is toxic gas and HS gas, is passed into smoke eliminator with induced draft fan, realizes treating processes without blowdown.
5) oil gas of the better oil product of quality enters separation column, petrol and diesel oil in oil gas is separated by the feature different according to oil gas each component boiling point, diesel component enters diesel oil tundish buffering and temporary storage through watercooler cooling, then through geared oil pump suction diesel storing, the diesel oil in diesel storing is production through advanced treatment can apply diesel oil resource.
6) gasoline component in separation column and the gasoline component distillated by flash tank enter catch pot after watercooler cooling; Gasoline and noncondensable gas are separated by catch pot, and the gasoline in gasoline basin is through advanced treatment and produces available gasoline resource, and the gasoline in gasoline basin is extracted out through reflux pump, for controlling fractionator overhead temperature; The gas that can not become oil product in catch pot is separated from catch pot, do surge tank through the suction of vacuum pump group after cooling and collect buffering, then enter dry gas desulfurization dechlorination refining plant and carry out desulfurization dechlorination, enter dry gas cabinet subsequently and carry out dry gas distribution, as the fuel of Salt heater combustion engine.
7) fused salt in fused salt tank is by being electrically heated to liquefaction, Salt heater is got to by high-temperature melting salt pump, Salt heater is heated to technological temperature by combustion engine, hot melt salt in Salt heater is to flash tank and the heat supply of vaporization still, and the hot gas in Salt heater is heated to fixed-bed catalytic tower by Cemented filling.Flash tank and the fused salt of vaporizing in still are back to fused salt tank and carry out recycle.
Claims (1)
1. adopt waste lubricating oil to refine a method for petrol and diesel oil, it is characterized in that:
1) first waste lubricating oil enters slurry tank, and waste lubricating oil is carried out sampling observation separating treatment, reduces water content and removing impurity by means of precipitation; Send into flash tank through high temperature oil pump, in the flash tank of band whipping appts, the hot melt salt through Salt heater heats, and realizes waste lubricating oil processed and light for waste lubricating oil group is distillated directly passing into watercooler;
2) by high temperature oil pump, the waste lubricating oil after dehydration is sent into vaporization still, hot melt salt through Salt heater heats, at the processing requirement temperature of vaporization still, waste lubricating oil gasifies as the powdery carbon black residue in oil vapour and oil gas body, complete waste lubricating oil thermo-cracking, the slag off apparatus that powdery carbon black residue is arranged by still of vaporizing is discharged;
3) oil gas through the cracking of overflash still enters vaporization still filtration tank, filters the carbon dust in oil gas;
4) oil gas after vaporization still filtration tank filters enters fixed-bed catalytic tower and carries out catalytic reforming, the hot gas of Salt heater is utilized to heat, have gas phase catalyst in fixed-bed catalytic tower, impel the further cracking of oil gas, oil gas is catalyzed further resolves into the better oil product of quality;
A part in fixed-bed catalytic tower is toxic gas and HS gas, is passed into smoke eliminator with induced draft fan, realizes treating processes without blowdown;
5) oil gas of the better oil product of quality enters separation column, petrol and diesel oil in oil gas is separated by the feature different according to oil gas each component boiling point, diesel component enters diesel oil tundish buffering and temporary storage through watercooler cooling, then through geared oil pump suction diesel storing, the diesel oil in diesel storing is production through advanced treatment can apply diesel oil resource;
6) gasoline component in separation column and the gasoline component distillated by flash tank enter catch pot after watercooler cooling; Gasoline and noncondensable gas are separated by catch pot, and the gasoline in gasoline basin is through advanced treatment and produces available gasoline resource, and the gasoline in gasoline basin is extracted out through reflux pump, for controlling fractionator overhead temperature; The gas that can not become oil product in catch pot is separated from catch pot, do surge tank through the suction of vacuum pump group after cooling and collect buffering, then enter dry gas desulfurization dechlorination refining plant and carry out desulfurization dechlorination, enter dry gas cabinet subsequently and carry out dry gas distribution, as the fuel of Salt heater combustion engine;
7) fused salt in fused salt tank is by being electrically heated to liquefaction, Salt heater is got to by high-temperature melting salt pump, Salt heater is heated to technological temperature by combustion engine, hot melt salt in Salt heater is to flash tank and the heat supply of vaporization still, and the hot gas in Salt heater is heated to fixed-bed catalytic tower by Cemented filling; Flash tank and the fused salt of vaporizing in still are back to fused salt tank and carry out recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773996.XA CN104560151B (en) | 2014-12-16 | 2014-12-16 | A kind of method that employing waste lubricating oil refines petrol and diesel oil |
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|---|---|---|---|
| CN201410773996.XA CN104560151B (en) | 2014-12-16 | 2014-12-16 | A kind of method that employing waste lubricating oil refines petrol and diesel oil |
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| CN104560151A true CN104560151A (en) | 2015-04-29 |
| CN104560151B CN104560151B (en) | 2017-03-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316033A (en) * | 2015-12-03 | 2016-02-10 | 南京绿帝环保能源科技有限公司 | Thermal cracking device for waste oil and waste engine oil |
| CN105441122A (en) * | 2015-12-18 | 2016-03-30 | 云南新昊环保科技有限公司 | Waste mineral oil cycle flash evaporation catalytic cracking recovery process |
| CN105567309A (en) * | 2015-12-18 | 2016-05-11 | 云南新昊环保科技有限公司 | Waste mineral oil circulating flash-evaporation catalytic cracking recovery plant |
| CN107858195A (en) * | 2017-12-15 | 2018-03-30 | 重庆方盛净化设备有限公司 | Waste oil regeneration multi-stage heating device |
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| CN200999241Y (en) * | 2007-01-11 | 2008-01-02 | 李文瑞 | Equipment for refining waste engine oil into gasoline, diesel oil and engine oil |
| CN102304414B (en) * | 2011-08-03 | 2013-01-02 | 江苏雕皇石化科技有限公司 | Method for regenerating waste lubricating oil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316033A (en) * | 2015-12-03 | 2016-02-10 | 南京绿帝环保能源科技有限公司 | Thermal cracking device for waste oil and waste engine oil |
| CN105441122A (en) * | 2015-12-18 | 2016-03-30 | 云南新昊环保科技有限公司 | Waste mineral oil cycle flash evaporation catalytic cracking recovery process |
| CN105567309A (en) * | 2015-12-18 | 2016-05-11 | 云南新昊环保科技有限公司 | Waste mineral oil circulating flash-evaporation catalytic cracking recovery plant |
| CN105567309B (en) * | 2015-12-18 | 2018-01-09 | 云南新昊环保科技有限公司 | Waste mineral oil circulation flash distillation catalytic pyrolysis reclaimer |
| CN107858195A (en) * | 2017-12-15 | 2018-03-30 | 重庆方盛净化设备有限公司 | Waste oil regeneration multi-stage heating device |
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| Publication number | Publication date |
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| CN104560151B (en) | 2017-03-08 |
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Address after: 265700 Shandong province Yantai Longkou City Xu Fu Street official Qu Village Patentee after: Shandong Fuxing epoxy pressure Holding Co., Ltd. Address before: 265502 Shandong province Fushan District of Yantai city Pu Wan Street No. 159 Patentee before: YANTAI RONGSHENG PRESSURE VESSEL MANUFACTURING CO., LTD. |