CN108728160A - A kind of waste mineral oil treatment process - Google Patents
A kind of waste mineral oil treatment process Download PDFInfo
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- CN108728160A CN108728160A CN201810488336.5A CN201810488336A CN108728160A CN 108728160 A CN108728160 A CN 108728160A CN 201810488336 A CN201810488336 A CN 201810488336A CN 108728160 A CN108728160 A CN 108728160A
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- oil
- mineral oil
- waste
- treatment process
- waste mineral
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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
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
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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)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of waste mineral oil treatment process of the present invention, diamond heating is carried out after standing dehydration, tube furnace is heated using pipe with small pipe diameter boiler tube, increase heating surface area, it improves linear velocity and reduces residence time of the feedstock oil in boiler tube, the distillation stage is using drive-type membrane structure destilling tower in hydraulic pressure, under negative pressure condition, the volatility coefficient for increasing impurity, is conducive to impurities removal, and the product purity fractionated out is high, avoid the problem of being easy oxidation stain because of temperature height, fuel-displaced stay in grade, processing procedure is simple, at low cost.
Description
Technical field
The present invention relates to the processing technology field of waste mineral oil, specially a kind of waste mineral oil treatment process.
Background technology
Waste mineral oil is a kind of extremely stable suspension emulsion system, containing a large amount of emulsified crude oils and solid suspension,
It is mainly derived from two processes：One is derived from oil extraction process, and the oily waste generated during oil extraction mainly comes
The oily waste generated during Ground Processing System, oil recovery treatment, this kind of waste mineral oil generally have oil content
Height, viscosity is big, particle is thin, is dehydrated the features such as difficult；Two are derived from oil product storage tank cleaning process, and oil product storage tank is in storage oil product
When, the weight oily components such as a small amount of mechanical admixture, the grains of sand, soil, heavy metal salt and paraffin, pitch in oil product are deposited on oil
Pot bottom forms not only black but also thick colloid substance layer, and tank bottom oily waste feature is that hydrocarbons content is high；Wherein, I
What the waste mineral oil that company collects was mainly derived from the equipment such as machinery, power, transport more changes oil and cleans oil；Metal rolled, machine
The waste oil generated in tool process；The waste oil generated during oiliness sewage treatment；It is generated during oil processing and oil regeneration
The dregs of fat.Since substance of this kind degradation speed is slow, but also there are a large amount of poisonous and harmful substances, arbitrarily disposition can be to big gas and water
Source, soil pollute, and destroy ecological environment, seriously threaten health safety；China is in short supply as a petroleum resources
Country carries out the recycling of recyclable waste of waste mineral oil, not only with environmental protection but also can create huge economic and social profit.
Currently, the processing mode of waste mineral oil mainly with traditional burning, land-fill method and passes through the solvent refining of science, washing, micro-
Breast washing, pyrolysis and biologic treating technique handle waste mineral oil using traditional burning and land-fill method, not only cause mineral waste
The wasting of resources of oil, and a large amount of soils are occupied, while environment can be caused seriously to pollute；Using solvent refining, washing and micro-
Newborn washing technology handles waste mineral oil, high treating effect, but treating capacity is small and processing procedure is more complex；Using biological treatment
Technical finesse waste mineral oil, treating capacity is big, at low cost, but poor processing effect, and affected by environment larger, and processing is caused to imitate
Rate is low；Waste mineral oil is handled using pyrolytic technique, although can realize it is completely innoxious, it is poor processing effect, of high cost.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to propose to a kind of waste mineral oil treatment process.
The technical solution that the present invention is taken to solve the above-mentioned problems is：A kind of waste mineral oil treatment process, feature
It is, the technique includes the following steps：
Step 1: standing dehydration：Waste mineral oil is stood to grease after being layered, lower layer's sewage is expelled to sewage storage pond, upper layer
Mineral oil is discharged into heating furnace；
Step 2: heat treatment：After being warming up to 120-270 DEG C in heating furnace, constant temperature is kept；
Step 3: vacuum distillation：Pressure in heating furnace is down to -0.1-0.02MPa to be evaporated under reduced pressure, respectively obtains heavy constituent
With oil gas；
Step 4: condensation：The oil gas obtained in step 3 is sent into condenser system, oil, fixed gas based on condensed oil gas
Body recycling is discharged into the heating furnace in step 2；
Step 5: finished product is processed：The base oil that step 4 is obtained is filling, obtains finished product.
In the present invention, reprocessed in the heavy constituent merging roasting system obtained in the step 3.
In the present invention, in the step 1, PE2040 is added into waste mineral oil；Steam heating is passed through under stirring to rise
Temperature is up to 55~65 DEG C；Stop stirring, be continuously heating to 70 DEG C, and within the temperature range of maintaining 70~75 DEG C, it is heavy to be then allowed to stand
Drop forms upper layer waste oil, lower layer's sewage and bottom slag.
In the present invention, in the step 3, vapo(u)rizing temperature is controlled at 180-250 DEG C.
Compared with prior art, the invention has the advantages that：
A kind of waste mineral oil treatment process of the present invention carries out diamond heating after standing dehydration, and tube furnace uses tubule
Diameter boiler tube heats, and increases heating surface area, improves linear velocity and reduces residence time of the feedstock oil in boiler tube, the distillation stage uses liquid
Drive-type membrane structure destilling tower increases the volatility coefficient of impurity, is conducive to impurities removal, fractionate out under negative pressure condition in pressure
Product purity is high, avoids the problem of being easy oxidation stain because of temperature height, and fuel-displaced stay in grade, processing procedure is simple, at
This is low.
Description of the drawings
Fig. 1 is the process flow chart of the present invention.
Specific implementation mode
Elaborate to the present invention with reference to specific embodiment, the present embodiment based on the technical solution of the present invention,
Give detailed embodiment and specific operating process.
Embodiment 1
As shown, the present invention is a kind of waste mineral oil treatment process, the technique includes the following steps：
Step 1: standing dehydration：Waste mineral oil is stood to grease after being layered, lower layer's sewage is expelled to sewage storage pond, upper layer
Mineral oil is discharged into heating furnace；
Step 2: heat treatment：After being warming up to 120 DEG C in heating furnace, constant temperature is kept；
Step 3: vacuum distillation：Pressure in heating furnace is down to -0.1MPa to be evaporated under reduced pressure, respectively obtains heavy constituent and oil
Gas；
Step 4: condensation：The oil gas obtained in step 3 is sent into condenser system, oil, fixed gas based on condensed oil gas
Body recycling is discharged into the heating furnace in step 2；
Step 5: finished product is processed：The base oil that step 4 is obtained is filling, obtains finished product.
Further, it is reprocessed in the heavy constituent merging roasting system obtained in the step 3.
Further, in the step 1, PE2040 is added into waste mineral oil；Steam heating is passed through under stirring to rise
Temperature is up to 55 DEG C；Stop stirring, be continuously heating to 70 DEG C, and within the temperature range of maintaining 70 DEG C, be then allowed to stand sedimentation, in formation
Layer waste oil, lower layer's sewage and bottom slag.
Further, in the step 3, vapo(u)rizing temperature is controlled at 180 DEG C.
Embodiment 2
A kind of waste mineral oil treatment process, the technique include the following steps：
Step 1: standing dehydration：Waste mineral oil is stood to grease after being layered, lower layer's sewage is expelled to sewage storage pond, upper layer
Mineral oil is discharged into heating furnace；
Step 2: heat treatment：After being warming up to 270 DEG C in heating furnace, constant temperature is kept；
Step 3: vacuum distillation：Pressure in heating furnace is down to 0.02MPa to be evaporated under reduced pressure, respectively obtains heavy constituent and oil
Gas；
Step 4: condensation：The oil gas obtained in step 3 is sent into condenser system, oil, fixed gas based on condensed oil gas
Body recycling is discharged into the heating furnace in step 2；
Step 5: finished product is processed：The base oil that step 4 is obtained is filling, obtains finished product.
Further, it is reprocessed in the heavy constituent merging roasting system obtained in the step 3.
Further, in the step 1, PE2040 is added into waste mineral oil；Steam heating is passed through under stirring to rise
Temperature is up to 65 DEG C；Stop stirring, be continuously heating to 70 DEG C, and within the temperature range of maintaining 75 DEG C, be then allowed to stand sedimentation, in formation
Layer waste oil, lower layer's sewage and bottom slag.
Further, in the step 3, vapo(u)rizing temperature is controlled at 250 DEG C.
Embodiment 3
A kind of waste mineral oil treatment process, the technique include the following steps：
Step 1: standing dehydration：Waste mineral oil is stood to grease after being layered, lower layer's sewage is expelled to sewage storage pond, upper layer
Mineral oil is discharged into heating furnace；
Step 2: heat treatment：After being warming up to 195 DEG C in heating furnace, constant temperature is kept；
Step 3: vacuum distillation：Pressure in heating furnace is down to 0.01MPa to be evaporated under reduced pressure, respectively obtains heavy constituent and oil
Gas；
Step 4: condensation：The oil gas obtained in step 3 is sent into condenser system, oil, fixed gas based on condensed oil gas
Body recycling is discharged into the heating furnace in step 2；
Step 5: finished product is processed：The base oil that step 4 is obtained is filling, obtains finished product.
Further, it is reprocessed in the heavy constituent merging roasting system obtained in the step 3.
Further, in the step 1, PE2040 is added into waste mineral oil；Steam heating is passed through under stirring to rise
Temperature is up to 60 DEG C；Stop stirring, be continuously heating to 70 DEG C, and within the temperature range of maintaining 72 DEG C, be then allowed to stand sedimentation, in formation
Layer waste oil, lower layer's sewage and bottom slag.
Further, in the step 3, vapo(u)rizing temperature is controlled at 210 DEG C.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention is as above with preferred embodiment description, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when a little change or modification made using technology contents described above
It is the equivalent embodiment of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical essence of the invention
To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (4)
1. a kind of waste mineral oil treatment process, which is characterized in that the technique includes the following steps：
Step 1: standing dehydration：Waste mineral oil is stood to grease after being layered, lower layer's sewage is expelled to sewage storage pond, upper layer
Mineral oil is discharged into heating furnace；
Step 2: heat treatment：After being warming up to 120-270 DEG C in heating furnace, constant temperature is kept；
Step 3: vacuum distillation：Pressure in heating furnace is down to -0.1-0.02MPa to be evaporated under reduced pressure, respectively obtains heavy constituent
With oil gas；
Step 4: condensation：The oil gas obtained in step 3 is sent into condenser system, oil, fixed gas based on condensed oil gas
Body recycling is discharged into the heating furnace in step 2；
Step 5: finished product is processed：The base oil that step 4 is obtained is filling, obtains finished product.
2. a kind of waste mineral oil treatment process as described in claim 1, it is characterised in that：The recombination obtained in the step 3
It splits in roasting system and reprocesses.
3. a kind of waste mineral oil treatment process as described in claim 1, it is characterised in that：In the step 1, to mineral waste
Demulsifier PE2040 is added in oil；Steam heat temperature raising is passed through under stirring up to 55~65 DEG C；Stop stirring, is continuously heating to
70 DEG C, and within the temperature range of maintaining 70~75 DEG C, it is then allowed to stand sedimentation, form upper layer waste oil, lower layer's sewage and bottom
Slag.
4. a kind of waste mineral oil treatment process as described in claim 1, it is characterised in that：In the step 3, vapo(u)rizing temperature
Control is at 180-250 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488336.5A CN108728160A (en) | 2018-05-21 | 2018-05-21 | A kind of waste mineral oil treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488336.5A CN108728160A (en) | 2018-05-21 | 2018-05-21 | A kind of waste mineral oil treatment process |
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| CN108728160A true CN108728160A (en) | 2018-11-02 |
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ID=63937708
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| CN201810488336.5A Pending CN108728160A (en) | 2018-05-21 | 2018-05-21 | A kind of waste mineral oil treatment process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203256246U (en) * | 2013-05-10 | 2013-10-30 | 福建龙岩力浩新能源有限公司 | Energy-saving waste lubricating oil regeneration processing device |
| CN105296134A (en) * | 2015-10-22 | 2016-02-03 | 河北伦特石油化工有限公司 | Regeneration method of waste engine oil |
| CN106929095A (en) * | 2017-01-24 | 2017-07-07 | 玉门市润泽环保再生能源新技术有限公司 | A kind of waste mineral oil processing method |
-
2018
- 2018-05-21 CN CN201810488336.5A patent/CN108728160A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203256246U (en) * | 2013-05-10 | 2013-10-30 | 福建龙岩力浩新能源有限公司 | Energy-saving waste lubricating oil regeneration processing device |
| CN105296134A (en) * | 2015-10-22 | 2016-02-03 | 河北伦特石油化工有限公司 | Regeneration method of waste engine oil |
| CN106929095A (en) * | 2017-01-24 | 2017-07-07 | 玉门市润泽环保再生能源新技术有限公司 | A kind of waste mineral oil processing method |
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Application publication date: 20181102 |