CN107200455A - The processing method of oil-based drill cuttings and oily sludge - Google Patents
The processing method of oil-based drill cuttings and oily sludge Download PDFInfo
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- CN107200455A CN107200455A CN201710474230.5A CN201710474230A CN107200455A CN 107200455 A CN107200455 A CN 107200455A CN 201710474230 A CN201710474230 A CN 201710474230A CN 107200455 A CN107200455 A CN 107200455A
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- oil
- high temperature
- drill cuttings
- oily sludge
- temperature pyrolysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of processing method of oil-based drill cuttings and oily sludge, is made up of following steps：1) oil-based drill cuttings and oily sludge, are delivered to centrifugation de-oiling system and carry out de-oiling；The well drilling detritus and oily sludge handled by centrifugation de-oiling system enters high temperature pyrolysis stove, more than 80% oil-base mud recycling by feeding system；2), treated oil-containing well drilling detritus carries out thermal decomposition vaporization in high temperature pyrolysis stove；Biomass burner produces high-temperature hot-air supply high temperature pyrolysis stove heat；The well drilling detritus treated by high temperature pyrolysis stove is discharged by discharge system, waste gas enters dust pelletizing system and oil plant recovery system is further processed；3), the waste gas by dust pelletizing system, the processing of oil plant recovery system enters the final dedusting deodorizing process of deodoration system progress；The present invention has a wide range of application, and can promote the processing suitable for various types of oily sludges and oil-based drill cuttings.
Description
Technical field
The invention belongs to the processing unit of water, waste water, sewage or sludge or method and technology field, and in particular to a kind of oil
The processing method of base drilling cuttings and oily sludge.
Background technology
With the development of high temperature high pressure deep well, high-inclination directional well, horizontal well and various complex stratigraphic drilling technologies, commonly use
Water-base drilling fluid can not fully meet the demand of high-leveled and difficult technology drilling well, oil base drilling fluid due to its excellent inhibition and
Temperature resistance, making it, advantage becomes apparent from particularly in high temperature deep well and water-sensitive strata is bored in brill Holes of Complicated Wells.Raw brill with it
The discarded oil-base mud of well is more and more, and it is a kind of complicated heterogeneous system containing mineral oil, phenolic compound and heavy metal, its
Leachate has compared with high toxicity.Oil drilling production will produce daily in substantial amounts of oil-based drill cuttings, drilling cuttings oil content 15~
20% or so, every mouthful of well will produce 400~500 tons of oil-based drill cuttings, and oil-based drill cuttings are countries《Danger wastes register》Middle demarcation
HW08 class danger wastes.The domestic oil-base mud used mainly has diesel oil oil-base mud and white oil oil-base mud two at present
Kind, oil-based drill cuttings directly discharge influences whether the nutrient environment condition and its quality of plant growth, and long-term accumulation can cause earth's surface
The heavy damage of vegetation, contaminated soil and water source, jeopardize the existence of the mankind.
At present, the processing method of domestic oil-based drill cuttings mainly has following several：
1st, hot water washing：
Implement separation of solid and liquid by thermokalite aqueous solution cyclic washing oily sludge, then by air supporting.It is primarily adapted for use in landing
Greasy filth, advantage is that technique is easily realized, investment cost is low, recyclable most of oil product, and shortcoming is difficult to serious to handle emulsification
Oily sludge, it is possible to create secondary pollution.
2nd, burning method：
Burning method is a kind of high-temperature heat treatment technology, i.e., burnt with certain excess air with processed debirs
Burn the harmful and noxious substance carried out in stove in oxidizing fire reaction, waste to aoxidize at high temperature, be pyrolyzed and be destroyed, be that one kind can
Realize innoxious waste, minimizing, the treatment technology of recycling simultaneously.Its principle utilizes the fuel such as fuel oil, combustion gas, fire coal
Burning, object to be processed progress high temperature is destroyed by fire carbonization to reach innoxious purpose.
3rd, Thermal desorption method：
Greasy filth is heated to certain temperature under anoxic condition desorbs hydro carbons and organic matter, the remaining body refuse after hydrocarbon pyrolysis suction
Energy meet the requirement of environmental protection, hydro carbons can be recycled, and advantage is that medium is completely inorganization, hydro carbons recoverable；Have the disadvantage anti-
Answer condition to require higher, operate more complicated.
4th, solvent extraction：
Oils is extracted from sludge by solvent, then solvent separated from mixture by distilling lubricating oil
Out recycle.Advantage is efficiency high, and processing is thorough, and most of petroleum substance is extracted recovery；Have the disadvantage extractant valency
Lattice are expensive, during there is partial loss, processing cost is high.
5th, it is desorbed facture；
Oil-contained drilling cuttings treatment technology is recommended using desorption processing (such as thermal desorption processing, solvent desorbing processing) technology.
Before desorption processing, separation of solid and liquid should be carried out using equipment such as driers, reduce the oil content of oil-contained drilling cuttings, thermal desorption processing
Before, the liquid content of oil-contained drilling cuttings should be not higher than 10%.
Therefore, economic, the harmless processing of oil-based drill cuttings be not only it is extremely urgent, while also contain the very big energy return
Receive potentiality.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of the above method, provide a kind of recovery utilization rate it is high,
The oil-based drill cuttings for reduce in environmental pollution, processing procedure and do not need chemical agent, having a wide range of application and the processing side of oily sludge
Method.
The technical scheme for solving above-mentioned technical problem use is the steps of composition：
1) oil-based drill cuttings and oily sludge, are delivered to centrifugation de-oiling system and carry out de-oiling；At centrifugation de-oiling system
The well drilling detritus and oily sludge of reason enter high temperature pyrolysis stove, more than 80% oil-base mud recycling by feeding system；
2), treated oil-containing well drilling detritus carries out thermal decomposition vaporization in high temperature pyrolysis stove；Biomass burner is produced
High-temperature hot-air supplies high temperature pyrolysis stove heat；The well drilling detritus treated by high temperature pyrolysis stove is discharged by discharge system, waste gas
It is further processed into dust pelletizing system and oil plant recovery system；
3), the waste gas by dust pelletizing system, the processing of oil plant recovery system enters deodoration system and carried out at final dedusting deodorization
Reason；
Above-mentioned step 2) in well drilling detritus condition of thermal decomposition vaporization in high temperature pyrolysis stove include：Temperature is 800 DEG C 260
~1150 DEG C, anaerobic negative pressure value is 7MPa~35MPa, and the time is 2~48h.
2nd, the processing method of oil-based drill cuttings and oily sludge according to claim 1, it is characterised in that：Described step
It is rapid 2) in well drilling detritus condition of thermal decomposition vaporization in high temperature pyrolysis stove include：Temperature is 800 DEG C, anaerobic negative pressure 20MPa, time
For 25h.
The centrifugation de-oiling system of the present invention is centrifugation de-oiling machine.
The dust pelletizing system of the present invention includes two-tube cyclone dust collectors and pulsed jet cloth filter；Described oil plant recovery system
Including cooling tower；Step 2) in the waste gas that is treated by high temperature pyrolysis stove enter two-tube cyclone dust collectors and carry out barite and powder
The collection of dirt, carries out oil plant recovery into cooling tower, dust collection is further carried out into pulsed jet cloth filter.
The deodoration system of the present invention includes Multi-functional spray tower and active carbon deodorization device；Returned by dust pelletizing system, oil plant
The waste gas of receipts system processing enters active carbon deodorization device and carries out preliminary deodorization, and water smoke is further carried out into Multi-functional spray tower
Dedusting deodorization.
The feeding system of the present invention uses circulating exhaust feed-type.
The present invention has advantages below compared to prior art：
1st, heavy component in oil-base mud drilling cuttings is converted into light components by way of high temperature pyrolysis is vaporized, solves mesh
The problem of preceding domestic oil-based drill cuttings processing method is produced, wherein volatile organic matter and semi-volatile organic matter component is returned
Receive and utilize, with higher recycling efficiency, while reducing environmental pollution；
2nd, feed-type uses circulating exhaust feed-type, it can be ensured that lock gas effect and the continuity, uniform for ensureing charging
Property；
3rd, any chemical agent need not be added in processing procedure, secondary pollution is not resulted in；
4th, have a wide range of application, the processing suitable for various types of oily sludges and oil-based drill cuttings can be promoted.
Brief description of the drawings
Fig. 1 is the process chart of one embodiment of the invention.
Embodiment
The present invention is described in further details with reference to the accompanying drawings and examples, but the invention is not restricted to these implementations
Example.
Embodiment 1
In Fig. 1, the processing method of oil-based drill cuttings and oily sludge of the present invention, is made up of following steps：
1) oil-based drill cuttings and oily sludge, are delivered to centrifugation de-oiling system and carry out de-oiling；At centrifugation de-oiling system
The well drilling detritus and oily sludge of reason enter high temperature pyrolysis stove, more than 80% oil-base mud recycling by feeding system；
Centrifugation de-oiling system described in the present embodiment is centrifugation de-oiling machine, and feeding system feed-type uses circulating exhaust feed-type,
It can ensure that lock gas effect and ensure the continuity of charging, uniformity.
2), treated oil-containing well drilling detritus carries out thermal decomposition vaporization in high temperature pyrolysis stove；Biomass burner is produced
High-temperature hot-air supplies high temperature pyrolysis stove heat；Well drilling detritus condition of thermal decomposition vaporization in high temperature pyrolysis stove includes：Temperature is 800
DEG C, anaerobic negative pressure value is 20MPa, and the time is 25h.High temperature pyrolysis stove has good seal, using high temperature resistant, high voltage bearing
Material is fabricated to.
Thermal decomposition vaporization process mainly has following two stages：
Evaporation stage：When temperature is less than 450 DEG C, lower boiling light hydrocarbon is evaporated from oily sludge；
The stage of reaction：When temperature is more than 350 DEG C, mink cell focus starts cracking, and 500 DEG C or so molecules can be due to thermal activation
Free radical is generated, occurs a series of radical reactions, on the one hand the cracking direction towards generation small molecule hydro carbons is carried out, the opposing party
The condensation direction for giving birth to charcoal towards coking is carried out, and ultimately generates oil, water, fixed gas and burnt matter four kinds of products of grit.
The three-phase product solid product that oil-based drill cuttings are carried out after thermal decomposition vaporization processing is substantially all more than 70%, liquid production
Thing is that 15% or so, gaseous product is less than 15%；Wherein volatile organic matter and semi-volatile organic matter component is reclaimed
Utilize, with higher recycling efficiency, while reducing environmental pollution.
The well drilling detritus treated by high temperature pyrolysis stove is discharged by discharge system, waste gas enters dust pelletizing system and oil plant is returned
Receipts system is further processed；The dust pelletizing system of the present embodiment includes two-tube cyclone dust collectors and pulsed jet cloth filter；Institute
The oil plant recovery system stated includes cooling tower；Step 2) in the waste gas that is treated by high temperature pyrolysis stove be introduced into two-tube whirlwind and remove
Dirt device carries out the collection of barite and dust, carries out oil plant recovery into cooling tower, further enters into pulsed jet cloth filter
Row dust collection.
3), the waste gas by dust pelletizing system, the processing of oil plant recovery system enters deodoration system and carried out at final dedusting deodorization
Reason；The deodoration system of the present embodiment includes Multi-functional spray tower and active carbon deodorization device；System is reclaimed by dust pelletizing system, oil plant
The waste gas of system processing enters active carbon deodorization device and carries out preliminary deodorization, and water mist dust-removing is further carried out into Multi-functional spray tower
Deodorization.
Embodiment 2
In embodiment 1, the step 2 of the present embodiment), treated oil-containing well drilling detritus carries out in high temperature pyrolysis stove
Thermal decomposition vaporization；Biomass burner produces high-temperature hot-air supply high temperature pyrolysis stove heat；Well drilling detritus is warm in high temperature pyrolysis stove
The condition of solution vaporization includes：Temperature is 260 DEG C, and anaerobic negative pressure value is 7MPa, and the time is 2h.Remaining each step and embodiment 1 are complete
It is exactly the same.
Embodiment 3
In embodiment 1, the step 2 of the present embodiment), treated oil-containing well drilling detritus carries out in high temperature pyrolysis stove
Thermal decomposition vaporization；Biomass burner produces high-temperature hot-air supply high temperature pyrolysis stove heat；Well drilling detritus is warm in high temperature pyrolysis stove
The condition of solution vaporization includes：Temperature is 1150 DEG C, and anaerobic negative pressure value is 35MPa, and the time is 48h.Remaining each step and embodiment 1
It is identical.
Table 1,2,3 is the data of each monitoring project of the aiutage waste gas handled by processing method of the present invention, table 4~8
It is mud, the data of each detection project of mud cake handled by processing method of the present invention.
The aiutage waste gas of table 1
The aiutage waste gas of table 2
The aiutage waste gas of table 3
The mud cake of table 4, mud
The mud cake of table 5, mud
The mud cake of table 6, mud
The mud cake of table 7, mud
The mud cake of table 8, mud
As seen from the above table, the waste gas and mud that are produced using the treated oil-based drill cuttings of the method for the present invention, mud cake it is each
Item data all meets environmental emission standard and national agricultural soil index.
Claims (6)
1. the processing method of a kind of oil-based drill cuttings and oily sludge, it is characterised in that be made up of following steps：
1) oil-based drill cuttings and oily sludge, are delivered to centrifugation de-oiling system and carry out de-oiling；Handled by centrifugation de-oiling system
Well drilling detritus and oily sludge enter high temperature pyrolysis stove, more than 80% oil-base mud recycling by feeding system；
2), treated oil-containing well drilling detritus carries out thermal decomposition vaporization in high temperature pyrolysis stove；Biomass burner produces high temperature
Warm-air supply high temperature pyrolysis stove heat；The well drilling detritus treated by high temperature pyrolysis stove is discharged by discharge system, waste gas enters
Dust pelletizing system and oil plant recovery system are further processed；
3), the waste gas by dust pelletizing system, the processing of oil plant recovery system enters the final dedusting deodorizing process of deodoration system progress；
Above-mentioned step 2) in well drilling detritus condition of thermal decomposition vaporization in high temperature pyrolysis stove include：Temperature be 800 DEG C 260~
1150 DEG C, anaerobic negative pressure value is 7MPa~35MPa, and the time is 2~48h.
2. the processing method of oil-based drill cuttings according to claim 1 and oily sludge, it is characterised in that：Described step 2)
Middle well drilling detritus condition of thermal decomposition vaporization in high temperature pyrolysis stove includes：Temperature is 800 DEG C, anaerobic negative pressure 20MPa, and the time is
25h。
3. the processing method of oil-based drill cuttings according to claim 1 and oily sludge, it is characterised in that：Described centrifugation takes off
Oil system is centrifugation de-oiling machine.
4. the processing method of oil-based drill cuttings according to claim 1 and oily sludge, it is characterised in that：Described dedusting system
System includes two-tube cyclone dust collectors and pulsed jet cloth filter；Described oil plant recovery system includes cooling tower；Step 2) middle warp
Cross the treated waste gas of high temperature pyrolysis stove and enter the collection that two-tube cyclone dust collectors carry out barite and dust, enter into cooling tower
Row oil plant is reclaimed, and dust collection is further carried out into pulsed jet cloth filter.
5. the processing method of oil-based drill cuttings according to claim 1 and oily sludge, it is characterised in that：Described deodorization system
System includes Multi-functional spray tower and active carbon deodorization device；Waste gas by dust pelletizing system, the processing of oil plant recovery system, which enters, lives
Property charcoal odor removal carry out preliminary deodorization, further carry out water mist dust-removing deodorization into Multi-functional spray tower.
6. the processing method of oil-based drill cuttings according to claim 1 and oily sludge, it is characterised in that：Described feed system
System uses circulating exhaust feed-type.
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| CN201710474230.5A CN107200455A (en) | 2017-06-21 | 2017-06-21 | The processing method of oil-based drill cuttings and oily sludge |
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| CN201710474230.5A CN107200455A (en) | 2017-06-21 | 2017-06-21 | The processing method of oil-based drill cuttings and oily sludge |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941838A (en) * | 2017-11-14 | 2018-04-20 | 西安石油大学 | The quantitative evaluation method that a kind of carbon dioxide drive process studies on asphaltene precipitation device to hole larynx distribution influences |
| CN108192645A (en) * | 2018-01-05 | 2018-06-22 | 中石化重庆涪陵页岩气勘探开发有限公司 | The method of oil-based drill cuttings and biomass copyrolysis recycling oily ingredient |
| CN108587669A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | A kind of shale gas oil-based drill cuttings resource utilization method |
| CN108625821A (en) * | 2018-06-20 | 2018-10-09 | 二重（德阳）重型装备有限公司 | Oil-based drill cuttings processing method |
| CN109265028A (en) * | 2018-11-12 | 2019-01-25 | 乐山华宇欣和石油科技有限公司 | The device and method of processing drilling wastes are cooperateed with using cement kiln |
| CN110079287A (en) * | 2019-06-12 | 2019-08-02 | 西南石油大学 | A kind of oil well cement paste high temperature suspension stabilizer prepared using oil base shale drilling cuttings |
| CN110628450A (en) * | 2019-08-27 | 2019-12-31 | 河北迪运化工科技有限公司 | Improved treatment process for oil-containing mixtures produced during oil drilling and production |
| CN111155949A (en) * | 2020-01-04 | 2020-05-15 | 重庆环科源博达环保科技有限公司 | Oil-based drilling cutting treatment method and gas purification device applied to same |
| CN111534318A (en) * | 2020-05-27 | 2020-08-14 | 中国工程物理研究院应用电子学研究所 | White oil-based rock debris composite treatment method and device based on ultrasonic microwaves |
-
2017
- 2017-06-21 CN CN201710474230.5A patent/CN107200455A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941838A (en) * | 2017-11-14 | 2018-04-20 | 西安石油大学 | The quantitative evaluation method that a kind of carbon dioxide drive process studies on asphaltene precipitation device to hole larynx distribution influences |
| CN108192645A (en) * | 2018-01-05 | 2018-06-22 | 中石化重庆涪陵页岩气勘探开发有限公司 | The method of oil-based drill cuttings and biomass copyrolysis recycling oily ingredient |
| CN108587669A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | A kind of shale gas oil-based drill cuttings resource utilization method |
| CN108625821A (en) * | 2018-06-20 | 2018-10-09 | 二重（德阳）重型装备有限公司 | Oil-based drill cuttings processing method |
| CN109265028A (en) * | 2018-11-12 | 2019-01-25 | 乐山华宇欣和石油科技有限公司 | The device and method of processing drilling wastes are cooperateed with using cement kiln |
| CN110079287A (en) * | 2019-06-12 | 2019-08-02 | 西南石油大学 | A kind of oil well cement paste high temperature suspension stabilizer prepared using oil base shale drilling cuttings |
| CN110628450A (en) * | 2019-08-27 | 2019-12-31 | 河北迪运化工科技有限公司 | Improved treatment process for oil-containing mixtures produced during oil drilling and production |
| CN110628450B (en) * | 2019-08-27 | 2021-09-07 | 河北迪运化工科技有限公司 | Improved treatment process for oil-containing mixtures produced during oil drilling and production |
| CN111155949A (en) * | 2020-01-04 | 2020-05-15 | 重庆环科源博达环保科技有限公司 | Oil-based drilling cutting treatment method and gas purification device applied to same |
| CN111155949B (en) * | 2020-01-04 | 2021-09-24 | 重庆环科源博达环保科技有限公司 | Oil-based drilling cutting treatment method and gas purification device applied to same |
| CN111534318A (en) * | 2020-05-27 | 2020-08-14 | 中国工程物理研究院应用电子学研究所 | White oil-based rock debris composite treatment method and device based on ultrasonic microwaves |
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