CN105441122A - Waste mineral oil cycle flash evaporation catalytic cracking recovery process - Google Patents
Waste mineral oil cycle flash evaporation catalytic cracking recovery process Download PDFInfo
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- CN105441122A CN105441122A CN201510948985.5A CN201510948985A CN105441122A CN 105441122 A CN105441122 A CN 105441122A CN 201510948985 A CN201510948985 A CN 201510948985A CN 105441122 A CN105441122 A CN 105441122A
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- Prior art keywords
- water
- oil
- mineral oil
- condensable gas
- waste
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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
- C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
- C10G55/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
-
- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
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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)
- Mechanical Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to a waste mineral oil recovery process, and especially relates to a waste mineral oil cycle flash evaporation catalytic cracking recovery process comprising the following steps: A, filtering precipitation; B, intermediate storage; C, cycle flash evaporation; D, catalytic distillation; and E, cooling recovery. The process recycles waste water and waste gas, makes full use of the waste water and the waste gas, and has the advantages of environmental protection, energy saving, safe storage, low cycle flash evaporation and catalytic cracking temperatures, full separation of light components, small amount of a catalyst, reduction of cracking loss of the light components, high recovery rate, and low production cost.
Description
Technical field
The present invention relates to a kind of waste mineral oil recovery process, especially relate to a kind of waste mineral oil circulation flash distillation catalytic pyrolysis recovery process.
Background technology
Taking waste mineral oil as raw material, during the waste oil remanufacture of processing oil fuel, because containing impurity and the moisture such as metal filings, dust, sand grains, fibrous matter in waste mineral oil, impurity is removed after filtration after precipitation, remove moisture through pre-treatment, through flash distillation catalytic pyrolysis, fractionate out gasoline, diesel oil and reduced fuel oil according to different gasification points.But also containing moisture in the waste mineral oil after filtering-depositing, the reason such as Yin Wendu in storage process, the moisture in waste mineral oil can evaporate, and has the lightweight inflammable gas after cracking and produce, and the pressure of material storaging tank can increase, and easily security incident occurs.Before flash distillation during dehydration, because also having moisture in the waste mineral oil after filtering-depositing, often produce a large amount of gas, cause equipment installation pressure comparatively large, charging resistance is comparatively large, and affect production efficiency, water vapor discharges arbitrarily, waste water resource.Waste mineral oil can produce inflammable gas when storage, catalysis flash distillation, and any discharge can cause the waste of environmental pollution and the energy.And flash distillation will consume a large amount of combustion gas, energy consumption is large, and production cost is higher.
Summary of the invention
The present invention is directed to the deficiencies in the prior art; provide a kind of reclaim waste water and gas and make full use of, protection of the environment, save energy, storage safety, circulation flash distillation is low with catalytic pyrolysis temperature, light component is fully separated, catalyst levels is little, reduce the cracking loss of light component, the rate of recovery is high, production cost is low waste mineral oil circulation flash distillation catalytic pyrolysis recovery process, effectively solve that waste mineral oil remanufacture Raw storage safety is dangerous, organic efficiency is low, cost is high, waste energy and water resources, pollution emission environment problem.
For achieving the above object, the technology used in the present invention solution is:
Waste mineral oil circulation flash distillation catalytic pyrolysis recovery process, comprises the following steps:
A, filtering-depositing: waste mineral oil puts into filtering-depositing groove through 80-100 object filter screen filtration postprecipitation 2-7 days, and then filtering-depositing groove oil is at the middle and upper levels put into storage tanker and store, the water of lower floor delivers to water treating equipment.
B, intermediate storage: vacuumize storage tanker, vacuum tightness is-0.01 ~-0.02MPa, and carries out oily water separation to the gas extracted out, and isolated oil returns storage tanker, and water delivers to water treating equipment, and flammable non-condensable gas is delivered in flammable non-condensable gas holding tank.
C, circulation flash distillation: the waste mineral oil in storage tanker is put into flash tank, mineral waste oil mass is to time a certain amount of, run recycle pump, gas-fired heater and vacuum pump and circulation flash distillation is carried out 0.5 ~ 1 hour to the waste mineral oil in flash tank, feeding temperature during flash distillation is 350 DEG C ~ 420 DEG C, and pressure is 0.8 ~ 1.2MPa; The light component flashed off that circulates carries out fractional condensation in fractional condensation tank, and the temperature of diesel oil drainer is 220 DEG C ~ 280 DEG C, and the temperature of gasoline drainer is 120 DEG C ~ 180 DEG C; The water vapour flashed off that circulates delivers to water treating equipment after water seal condensation; The flammable non-condensable gas flashed off that circulates is delivered in flammable non-condensable gas holding tank.
D, catalytic distillation: oil at the bottom of the sudden strain of a muscle after circulation flash distillation process is put into still pot and added catalyzer, be heated to 400 DEG C ~ 500 DEG C catalytic distillations 2 ~ 3 hours, the light component that catalytic distillation goes out carries out fractional condensation in fractional condensation tank; The flammable non-condensable gas that catalytic distillation goes out is delivered in flammable non-condensable gas holding tank; To the heating installation air feed of circulation flash distillation and catalytic distillation after flammable non-condensable gas holding tank voltage stabilizing in flammable non-condensable gas holding tank.
E, cooling are reclaimed: the oil stayed after catalytic distillation obtains reduced fuel oil after recirculated cooling water cooling is reclaimed; Waste water is recirculated cooling water after water treating equipment reclaim.
Described catalyzer is non-hydrogen condensation point reducing catalyst.
beneficial effect of the present invention:
1, the present invention adopts the Water Sproading that water treating equipment produce filtering-depositing, intermediate storage and circulation flash process, supplements the water coolant of cooling recovery process, achieves making full use of and without efflux wastewater, protecting environment again of water resources.。
2, the present invention adopts flammable non-condensable gas holding tank to reclaim the flammable non-condensable gas that intermediate storage, circulation flash distillation and catalytic distillation operation produce; again to the heating installation air feed of circulation flash distillation and catalytic distillation operation after voltage stabilizing; namely reclaimed waste gas, again saved the energy, protect environment.
3, intermediate storage operation of the present invention is by vacuumizing storage tanker, and the gas of extraction, through oily water separation, namely ensure that the air pressure of storage tanker maintains in safe scope, has reclaimed again the water in the gas extracted out and flammable non-condensable gas.
4, the present invention circulate flash process time adopt circulation flash distillation the moisture in waste mineral oil and light component removing, the dehydration procedure in former technique can be decreased; Adopt vacuum pump evacuation, temperature during flash distillation can be reduced; Adopt fractional condensation, fully can be separated light component.
Temperature when 5, reducing reaction with non-hydrogen condensation point reducing catalyst catalytic cracking during catalytic distillation of the present invention, and premenstrual operation eliminates waste water and original light component, makes the usage quantity of non-hydrogen condensation point reducing catalyst little, and reduce the cracking loss of light component.
6, the rate of recovery of the present invention when circulation flash distillation and catalytic distillation operation can make waste mineral oil recycle improves, and reduces production cost.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Specific embodiment
embodiment 1
As shown in Figure 1, waste mineral oil circulation flash distillation catalytic pyrolysis recovery process, comprises the following steps:
A, filtering-depositing: waste mineral oil puts into filtering-depositing groove through 80-100 object filter screen filtration postprecipitation 2-7 days, and then filtering-depositing groove oil is at the middle and upper levels put into storage tanker and store, the water of lower floor delivers to water treating equipment.
B, intermediate storage: vacuumize storage tanker, vacuum tightness is-0.01MPa, and carries out oily water separation to the gas extracted out, and isolated oil returns storage tanker, and water delivers to water treating equipment, and flammable non-condensable gas is delivered in flammable non-condensable gas holding tank.
C, circulation flash distillation: the waste mineral oil in storage tanker is put into flash tank, mineral waste oil mass is to time a certain amount of, run recycle pump, gas-fired heater and vacuum pump and circulation flash distillation is carried out 0.5 ~ 1 hour to the waste mineral oil in flash tank, feeding temperature during flash distillation is 350 DEG C ~ 420 DEG C, and pressure is 0.8MPa; The light component flashed off that circulates carries out fractional condensation in fractional condensation tank, and the temperature of diesel oil drainer is 220 DEG C, and the temperature of gasoline drainer is 120 DEG C; The water vapour flashed off that circulates delivers to water treating equipment after water seal condensation; The flammable non-condensable gas flashed off that circulates is delivered in flammable non-condensable gas holding tank.
D, catalytic distillation: oil at the bottom of the sudden strain of a muscle after circulation flash distillation process is put into still pot and added catalyzer, be heated to 400 DEG C ~ 500 DEG C catalytic distillations 2 ~ 3 hours, the light component that catalytic distillation goes out carries out fractional condensation in fractional condensation tank; The flammable non-condensable gas that catalytic distillation goes out is delivered in flammable non-condensable gas holding tank; To the heating installation air feed of circulation flash distillation and catalytic distillation after flammable non-condensable gas holding tank voltage stabilizing in flammable non-condensable gas holding tank.
E, cooling are reclaimed: the oil stayed after catalytic distillation obtains reduced fuel oil after recirculated cooling water cooling is reclaimed; Waste water is recirculated cooling water after water treating equipment reclaim.
Described catalyzer is non-hydrogen condensation point reducing catalyst.
embodiment 2
Waste mineral oil circulation flash distillation catalytic pyrolysis recovery process, comprises the following steps:
A, filtering-depositing: waste mineral oil puts into filtering-depositing groove through 80-100 object filter screen filtration postprecipitation 2-7 days, and then filtering-depositing groove oil is at the middle and upper levels put into storage tanker and store, the water of lower floor delivers to water treating equipment.
B, intermediate storage: vacuumize storage tanker, vacuum tightness is-0.02MPa, and carries out oily water separation to the gas extracted out, and isolated oil returns storage tanker, and water delivers to water treating equipment, and flammable non-condensable gas is delivered in flammable non-condensable gas holding tank.
C, circulation flash distillation: the waste mineral oil in storage tanker is put into flash tank, mineral waste oil mass is to time a certain amount of, run recycle pump, gas-fired heater and vacuum pump and circulation flash distillation is carried out 0.5 ~ 1 hour to the waste mineral oil in flash tank, feeding temperature during flash distillation is 350 DEG C ~ 420 DEG C, and pressure is 1.2MPa; The light component flashed off that circulates carries out fractional condensation in fractional condensation tank, and the temperature of diesel oil drainer is 280 DEG C, and the temperature of gasoline drainer is 180 DEG C; The water vapour flashed off that circulates delivers to water treating equipment after water seal condensation; The flammable non-condensable gas flashed off that circulates is delivered in flammable non-condensable gas holding tank.
D, catalytic distillation: oil at the bottom of the sudden strain of a muscle after circulation flash distillation process is put into still pot and added catalyzer, be heated to 400 DEG C ~ 500 DEG C catalytic distillations 2 ~ 3 hours, the light component that catalytic distillation goes out carries out fractional condensation in fractional condensation tank; The flammable non-condensable gas that catalytic distillation goes out is delivered in flammable non-condensable gas holding tank; To the heating installation air feed of circulation flash distillation and catalytic distillation after flammable non-condensable gas holding tank voltage stabilizing in flammable non-condensable gas holding tank.
E, cooling are reclaimed: the oil stayed after catalytic distillation obtains reduced fuel oil after recirculated cooling water cooling is reclaimed; Waste water is recirculated cooling water after water treating equipment reclaim.
Described catalyzer is non-hydrogen condensation point reducing catalyst.
Claims (2)
1. waste mineral oil circulation flash distillation catalytic pyrolysis recovery process, is characterized in that, comprise the following steps:
A, filtering-depositing: waste mineral oil puts into filtering-depositing groove through 80-100 object filter screen filtration postprecipitation 2-7 days, and then filtering-depositing groove oil is at the middle and upper levels put into storage tanker and store, the water of lower floor delivers to water treating equipment;
B, intermediate storage: storage tanker is vacuumized, vacuum tightness is-0.01 ~-0.02MPa, and carries out oily water separation to the gas extracted out, and isolated oil returns storage tanker, and water delivers to water treating equipment, and flammable non-condensable gas is delivered in flammable non-condensable gas holding tank;
C, circulation flash distillation: the waste mineral oil in storage tanker is put into flash tank, mineral waste oil mass is to time a certain amount of, run recycle pump, gas-fired heater and vacuum pump and circulation flash distillation is carried out 0.5 ~ 1 hour to the waste mineral oil in flash tank, feeding temperature during flash distillation is 350 DEG C ~ 420 DEG C, and pressure is 0.8 ~ 1.2MPa; The light component flashed off that circulates carries out fractional condensation in fractional condensation tank, and the temperature of diesel oil drainer is 220 DEG C ~ 280 DEG C, and the temperature of gasoline drainer is 120 DEG C ~ 180 DEG C; The water vapour flashed off that circulates delivers to water treating equipment after water seal condensation; The flammable non-condensable gas flashed off that circulates is delivered in flammable non-condensable gas holding tank;
D, catalytic distillation: oil at the bottom of the sudden strain of a muscle after circulation flash distillation process is put into still pot and added catalyzer, be heated to 400 DEG C ~ 500 DEG C catalytic distillations 2 ~ 3 hours, the light component that catalytic distillation goes out carries out fractional condensation in fractional condensation tank; The flammable non-condensable gas that catalytic distillation goes out is delivered in flammable non-condensable gas holding tank; To the heating installation air feed of circulation flash distillation and catalytic distillation after flammable non-condensable gas holding tank voltage stabilizing in flammable non-condensable gas holding tank;
E, cooling are reclaimed: the oil stayed after catalytic distillation obtains reduced fuel oil after recirculated cooling water cooling is reclaimed; Waste water is recirculated cooling water after water treating equipment reclaim.
2. waste mineral oil circulation flash distillation catalytic pyrolysis recovery process according to claim 1, it is characterized in that, described catalyzer is non-hydrogen condensation point reducing catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948985.5A CN105441122A (en) | 2015-12-18 | 2015-12-18 | Waste mineral oil cycle flash evaporation catalytic cracking recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948985.5A CN105441122A (en) | 2015-12-18 | 2015-12-18 | Waste mineral oil cycle flash evaporation catalytic cracking recovery process |
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| Publication Number | Publication Date |
|---|---|
| CN105441122A true CN105441122A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948985.5A Pending CN105441122A (en) | 2015-12-18 | 2015-12-18 | Waste mineral oil cycle flash evaporation catalytic cracking recovery process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229773A (en) * | 2019-05-05 | 2020-06-05 | 云南新昊环保科技有限公司 | Oil contamination disposal system and process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510118A (en) * | 2002-12-25 | 2004-07-07 | 高国宏 | Method for producing diesel fuel component from waste machine oil |
| CN101307272A (en) * | 2008-07-04 | 2008-11-19 | 剧长生 | Regeneration process for waste lubrication oil |
| CN202610189U (en) * | 2012-03-13 | 2012-12-19 | 杭州绿洲能源科技有限公司 | Automatic continuous production equipment for regenerated diesel oil from waste oil through catalytic cracking |
| CN103509597A (en) * | 2013-07-17 | 2014-01-15 | 上海顶丰能源科技有限公司 | Recycling processing method and processing system for waste oil |
| CN104560151A (en) * | 2014-12-16 | 2015-04-29 | 烟台荣盛压力容器制造有限公司 | Method for refining gasoline and diesel from waste lubricating oil |
-
2015
- 2015-12-18 CN CN201510948985.5A patent/CN105441122A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510118A (en) * | 2002-12-25 | 2004-07-07 | 高国宏 | Method for producing diesel fuel component from waste machine oil |
| CN101307272A (en) * | 2008-07-04 | 2008-11-19 | 剧长生 | Regeneration process for waste lubrication oil |
| CN202610189U (en) * | 2012-03-13 | 2012-12-19 | 杭州绿洲能源科技有限公司 | Automatic continuous production equipment for regenerated diesel oil from waste oil through catalytic cracking |
| CN103509597A (en) * | 2013-07-17 | 2014-01-15 | 上海顶丰能源科技有限公司 | Recycling processing method and processing system for waste oil |
| CN104560151A (en) * | 2014-12-16 | 2015-04-29 | 烟台荣盛压力容器制造有限公司 | Method for refining gasoline and diesel from waste lubricating oil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229773A (en) * | 2019-05-05 | 2020-06-05 | 云南新昊环保科技有限公司 | Oil contamination disposal system and process |
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Application publication date: 20160330 |
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