CN108277045A - A kind of sewage from oil refinery processing method - Google Patents
A kind of sewage from oil refinery processing method Download PDFInfo
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- CN108277045A CN108277045A CN201711408533.3A CN201711408533A CN108277045A CN 108277045 A CN108277045 A CN 108277045A CN 201711408533 A CN201711408533 A CN 201711408533A CN 108277045 A CN108277045 A CN 108277045A
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- Prior art keywords
- oil
- waste water
- water
- sewage
- oily
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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
- C10G69/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process
- C10G69/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only
- C10G69/04—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of catalytic cracking in the absence of hydrogen
-
- 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
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
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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)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of sewage from oil refinery processing methods, include the following steps：S1, under normal pressure and decompression, crude oil in atmospheric and vacuum distillation unit is added to using the method processing of distillation；S2, catalysis heat treatment is carried out to distillate and residue oil；S3, using reformer, platiniferous material catalyst continuous heating 60min is added, it is 490 DEG C 525 DEG C to keep temperature；S4, it is passed through hydrogen in hydrogenation plant as catalyst, the processing of oil product poor quality ingredient is carried out to carrying out the oil product that reformer unit is handled；S5, by Deasphalting Unit, solvent is made with propane, removes colloid and pitch in the dregs of fat；S6, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off paraffin and ceresine in the heavy oil of pitch；S7, water-oil separating processing is carried out to oily waste water.Ingredient improvement inferior is preferably in invention lightweight oil recovery rate height, the oil product and the performance of the lubricating oil of recycling is high.
Description
Technical field
Invention is related to sewage water treatment method technical field, specially a kind of sewage from oil refinery processing method.
Background technology
Refinery(waste) water is one kind of industrial wastewater, by a large amount of oily wastewaters and mechanical processing and metal of petroleum refining discharge
The emulsifiable oil waste water composition that cleaning generates, and waste component is complicated, the organic matter often containing a variety of bio-refractories, it is therefore desirable to
These waste water are handled using sewage from oil refinery processing method, but current sewage from oil refinery processing method, exist light
Matter oil recovery rate is low, the ingredient improvement difference inferior problem low with the performance of lubricating oil of recycling in oil product.
Invention content
Invention is designed to provide a kind of sewage from oil refinery processing method, current to solve to propose in above-mentioned background technology
Sewage from oil refinery processing method, that there are lightweight oil recovery rates is low, in oil product ingredient improvement difference and recycling inferior lubrication
The low problem of oily performance.
To achieve the above object, invention provides the following technical solutions：A kind of sewage from oil refinery processing method, including following step
Suddenly：
S1, Atmospheric vacuum is added to using the method processing of distillation and is steamed in normal pressure under decompression using atmospheric and vacuum distillation unit
Crude oil in distillation unit realizes crude oil being separated into distillate and residue oil, discharge is useless containing waste water, sulfur-containing waste water and containing alkali
Water；
S2, catalysis heat treatment being carried out to distillate and residue oil using catalytic cracking unit, heating temperature is 80 DEG C-
120 DEG C, continue 120min, oily waste water, sulfur-containing waste water is discharged and contains alkali waste water；
S3, using reformer, platiniferous material catalyst continuous heating 60min is added, it is 490 DEG C -525 to keep temperature
DEG C, it realizes readjusting for the molecular structure of oil product, oily waste water and sulfur-containing waste water is discharged；
S4, using hydrogenation plant, and be passed through hydrogen as catalyst in hydrogenation plant, handle carrying out reformer unit
The oil product arrived carries out the processing of oil product poor quality ingredient, and sulphur, oxygen, nitrogen and the metal impurities removed in oil product are handled, and is discharged
Oily waste water and sulfur-containing waste water；
S5, by Deasphalting Unit, solvent is made with propane, colloid and pitch in the dregs of fat is removed, obtains high viscosity
Lubricating oil and cracked stock oil, while obtaining pitch, water and oily waste water be finally discharged out of Deasphalting Unit；
S6, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off pitch
Paraffin and ceresine in heavy oil, effectively reduce the solidification point of oil product, improve the performance of lubricating oil, and the waste water of discharge only has oily waste water
Water；
S7, water-oil separating processing is carried out to oily waste water using oily-water seperating equipment, oil component and water constituent is individually discharged.
Preferably, the oily-water seperating equipment is compressed air oil water separator, the use of pressure is 0.1Mpa-2.5Mpa.
Preferably, the hydrogenation plant includes hydrofinishing, is hydrocracked, hydro dewaxing and hydroisomerization unit.
Preferably, the reformer include pretreatment of raw material and reform two processes, by pretreated raw material into
Enter to reform workshop section, reactor is entered at 1~2MPa, reactor is connected by 3~4, heating furnace is equipped with therebetween, with compensatory reactionBu Changfanying
The heat absorbed.
Compared with prior art, advantageous effect of the invention is：
1, sewage from oil refinery processing method, by under normal pressure and decompression, with the method for distillation, crude oil being separated into more
A distillate and residue oil, such as gasoline, kerosene, diesel oil, carrying out the device of the process becomes atmospheric and vacuum distillation unit, realizes former
The first step of oil processing, discharge is containing waste water, sulfur-containing waste water and containing alkali waste water from atmospheric and vacuum distillation unit.
2, the sewage from oil refinery processing method, the heavy still bottoms left after part or all of atmospheric and vacuum distillation unit is distilled
It is processed with the dregs of fat, is heated under the effect of the catalyst as raw material later, heating temperature is 80 DEG C -120 DEG C, is continued
120min, this process are mainly completed by catalytic cracking reaction process, help to improve the rate of recovery of light oil in this way.
3, sewage from oil refinery processing method, by the way that platiniferous material catalyst continuous heating is added in reformer
60min, it is 490 DEG C -525 DEG C to keep temperature, readjusting for the molecular structure of oil product is realized, in order to produce high-octane rating vapour
Oil, aromatic hydrocarbons, benzene and dimethylbenzene etc..
4, the sewage from oil refinery processing method is used as catalyst by being passed through hydrogen in hydrogenation plant, and dress is reformed to coming from
The processing that the oil product that processing obtains carries out oil product poor quality ingredient is set, is removed at sulphur, oxygen, nitrogen and the metal impurities in oil product
Reason so that ingredient improvement inferior is preferable in oil product.
5, the sewage from oil refinery processing method makees solvent with propane, removes the glue in the dregs of fat by Deasphalting Unit
Matter and pitch obtain highly viscous lubricating oil and cracked stock oil, while obtaining pitch, are finally arranged out of Deasphalting Unit
Water outlet and oily waste water, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off drip
Paraffin and ceresine in green heavy oil, effectively reduce the solidification point of oil product, improve the performance of lubricating oil.
Description of the drawings
Fig. 1 is the flow diagram of invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, invention provides a kind of technical solution：A kind of sewage from oil refinery processing method, includes the following steps：
S1, Atmospheric vacuum is added to using the method processing of distillation and is steamed in normal pressure under decompression using atmospheric and vacuum distillation unit
Crude oil in distillation unit realizes crude oil being separated into distillate and residue oil, discharge is useless containing waste water, sulfur-containing waste water and containing alkali
Water；
S2, catalysis heat treatment being carried out to distillate and residue oil using catalytic cracking unit, heating temperature is 80 DEG C-
120 DEG C, continue 120min, oily waste water, sulfur-containing waste water is discharged and contains alkali waste water；
S3, using reformer, platiniferous material catalyst continuous heating 60min is added, it is 490 DEG C -525 to keep temperature
DEG C, it realizes readjusting for the molecular structure of oil product, oily waste water and sulfur-containing waste water is discharged；
S4, using hydrogenation plant, and be passed through hydrogen as catalyst in hydrogenation plant, handle carrying out reformer unit
The oil product arrived carries out the processing of oil product poor quality ingredient, and sulphur, oxygen, nitrogen and the metal impurities removed in oil product are handled, and is discharged
Oily waste water and sulfur-containing waste water；
S5, by Deasphalting Unit, solvent is made with propane, colloid and pitch in the dregs of fat is removed, obtains high viscosity
Lubricating oil and cracked stock oil, while obtaining pitch, water and oily waste water be finally discharged out of Deasphalting Unit；
S6, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off pitch
Paraffin and ceresine in heavy oil, effectively reduce the solidification point of oil product, improve the performance of lubricating oil, and the waste water of discharge only has oily waste water
Water；
S7, water-oil separating processing is carried out to oily waste water using oily-water seperating equipment, oil component and water constituent is individually discharged.
The oily-water seperating equipment is compressed air oil water separator, the use of pressure is 0.1Mpa-2.5Mpa.
The hydrogenation plant includes hydrofinishing, be hydrocracked, hydro dewaxing and hydroisomerization unit.
The reformer includes pretreatment of raw material and reforms two processes, enters reformation work by pretreated raw material
Section enters reactor at 1~2MPa, and reactor is connected by 3~4, is equipped with heating furnace therebetween, is absorbed with compensatory reactionBu Changfanying
Heat.
Operation principle：The sewage from oil refinery processing method, by under normal pressure and decompression, with the method for distillation, crude oil
It is separated into multiple distillates and residue oil, such as gasoline, kerosene, diesel oil, the device of the process is carried out and is filled as atmospheric and vacuum distillation
It sets, realizes the first step of crude oil processing, discharge is containing waste water, sulfur-containing waste water and containing alkali waste water from atmospheric and vacuum distillation unit.
The sewage from oil refinery processing method, the heavy still bottoms and the dregs of fat left after part or all of atmospheric and vacuum distillation unit is distilled carry out
Processing, is heated as raw material under the effect of the catalyst later, and heating temperature is 80 DEG C -120 DEG C, continues 120min, this mistake
Journey is mainly completed by catalytic cracking reaction process, helps to improve the rate of recovery of light oil in this way.The sewage from oil refinery processing side
Method, by the way that platiniferous material catalyst continuous heating 60min is added in reformer, it is 490 DEG C -525 DEG C to keep temperature, is realized
The molecular structure of oil product is readjusted, in order to produce high-knock rating gasoline, aromatic hydrocarbons, benzene and dimethylbenzene etc..The sewage from oil refinery
Processing method is used as catalyst by being passed through hydrogen in hydrogenation plant, and oil is carried out to carrying out the oil product that reformer unit is handled
The processing of product poor quality ingredient, sulphur, oxygen, nitrogen and the metal impurities removed in oil product are handled so that ingredient inferior in oil product
Improvement is preferable.The sewage from oil refinery processing method is made solvent with propane, is removed in the dregs of fat by Deasphalting Unit
Colloid and pitch, obtain highly viscous lubricating oil and cracked stock oil, while pitch obtained, finally from Deasphalting Unit
Interior discharge water and oily waste water, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off
Fall paraffin and ceresine in the heavy oil of pitch, effectively reduce the solidification point of oil product, improves the performance of lubricating oil.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. a kind of sewage from oil refinery processing method, it is characterised in that：Include the following steps：
S1, atmospheric and vacuum distillation dress is added to using the method processing of distillation in normal pressure under decompression using atmospheric and vacuum distillation unit
Interior crude oil is set, realizes and crude oil is separated into distillate and residue oil, discharge is containing waste water, sulfur-containing waste water and contains alkali waste water；
S2, catalysis heat treatment being carried out to distillate and residue oil using catalytic cracking unit, heating temperature is 80 DEG C -120 DEG C,
Continue 120min, oily waste water, sulfur-containing waste water is discharged and contains alkali waste water；
S3, using reformer, platiniferous material catalyst continuous heating 60min is added, it is 490 DEG C -525 DEG C to keep temperature, real
Readjusting for the molecular structure of existing oil product, is discharged oily waste water and sulfur-containing waste water；
S4, using hydrogenation plant, and be passed through in hydrogenation plant hydrogen as catalyst, handle to carrying out reformer unit
Oil product carries out the processing of oil product poor quality ingredient, and sulphur, oxygen, nitrogen and the metal impurities removed in oil product are handled, and oil-containing is discharged
Waste water and sulfur-containing waste water；
S5, by Deasphalting Unit, solvent is made with propane, colloid and pitch in the dregs of fat is removed, obtains highly viscous profit
Lubricating oil and cracked stock oil, while pitch is obtained, water and oily waste water are finally discharged out of Deasphalting Unit；
S6, using dewaxing device, it is solvent that first diyl ketone and toluene, which is added, detaches heavy distillate and takes off the heavy oil of pitch
Middle paraffin and ceresine effectively reduce the solidification point of oil product, improve the performance of lubricating oil, and the waste water of discharge only has oily waste water；
S7, water-oil separating processing is carried out to oily waste water using oily-water seperating equipment, oil component and water constituent is individually discharged.
2. a kind of sewage from oil refinery processing method as described in claim 1, it is characterised in that：The oily-water seperating equipment is pressure
Contracting air oil water separator is 0.1Mpa-2.5Mpa using pressure.
3. a kind of sewage from oil refinery processing method as described in claim 1, it is characterised in that：The hydrogenation plant includes adding hydrogen
It refines, be hydrocracked, hydro dewaxing and hydroisomerization unit.
4. a kind of sewage from oil refinery processing method as described in claim 1, it is characterised in that：The reformer includes raw material
Two processes of pretreatment and reformation, enter by pretreated raw material and reform workshop section, reactor is entered at 1~2MPa, instead
It answers device to be connected by 3~4, is equipped with heating furnace, the heat absorbed with compensatory reactionBu Changfanying therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711408533.3A CN108277045A (en) | 2017-12-22 | 2017-12-22 | A kind of sewage from oil refinery processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711408533.3A CN108277045A (en) | 2017-12-22 | 2017-12-22 | A kind of sewage from oil refinery processing method |
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| Publication Number | Publication Date |
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| CN108277045A true CN108277045A (en) | 2018-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048350A (en) * | 2020-09-03 | 2020-12-08 | 南京沿江资源生态科学研究院有限公司 | Emulsified oil produced by taking high-concentration wastewater as raw material and preparation method and application thereof |
-
2017
- 2017-12-22 CN CN201711408533.3A patent/CN108277045A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048350A (en) * | 2020-09-03 | 2020-12-08 | 南京沿江资源生态科学研究院有限公司 | Emulsified oil produced by taking high-concentration wastewater as raw material and preparation method and application thereof |
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Application publication date: 20180713 |