CN107151088A - The processing method of oily sludge on offshore platform - Google Patents
The processing method of oily sludge on offshore platform Download PDFInfo
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- CN107151088A CN107151088A CN201710599433.7A CN201710599433A CN107151088A CN 107151088 A CN107151088 A CN 107151088A CN 201710599433 A CN201710599433 A CN 201710599433A CN 107151088 A CN107151088 A CN 107151088A
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- Prior art keywords
- reaction kettle
- desorption reaction
- oily sludge
- pyrolysis
- pyrolysis desorption
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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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- 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
Abstract
The invention belongs to contained Mud Treatment Technology field, the processing method of oily sludge on more particularly to a kind of offshore platform.The processing method of oily sludge includes the processing of pyrolysis desorption, vent gas treatment, wastewater treatment on the offshore platform；The pyrolysis desorption processing is completed in pyrolysis desorption reaction kettle, to being pyrolyzed the inwall of desorption reaction kettle and the inside for being pyrolyzed desorption reaction kettle being heated simultaneously, pyrolysis desorption reaction kettle is vertically arranged, and oily sludge is discharged in pyrolysis desorption reaction kettle after laterally centrifugation and vertical rolling out of pyrolysis desorption reaction kettle；Vent gas treatment is used to handle the tail gas that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation；Wastewater treatment is used to handle the waste water that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation.The processing method of oily sludge can improve the treatment effeciency of oily sludge while occupation area of equipment is reduced on the offshore platform.
Description
Technical field
The invention belongs to contained Mud Treatment Technology field, the processing side of oily sludge on more particularly to a kind of offshore platform
Method.
Background technology
With the exploitation of offshore oil, produced in offshore platform exploitation the pollution that is produced to marine environment of greasy filth increasingly by
To attention.China formulated GB49142008 in 2008《Offshore oil exploration and exploitation Pollutant emission concentration limit value》, to sea
The pollutant process that foreign petroleum exploration and development is produced has carried out specification with equipment.Conventional processing method is according to different principle masters
It is divided into 3 classes：Physico-chemical process, biochemical process and electrolysis.Domestic maturation is to use LRET technologies at present, i.e., oil-based drill cuttings are carried out
Mechanically decoupled --- heating --- is reclaimed desorption medicament and recycled, and has the disadvantage that equipment investment is higher, treatment agent is expensive.
Occupation area of equipment is larger, is difficult realization and is handled with brill.
The offshore drilling platform in certain domestic oil field uses microbiological treatment technical finesse oil-based drill cuttings, is thin using microorganism
Bacterium to oil-based drill cuttings carry out soil can farming formula function repair and improve, utilize the petroleum hydrocarbon in microorganism decomposition oil-based drill cuttings
With other organic matters, but this method has the disadvantage that processing time is long, is difficult to realize large-scale.For many years, the country never has
One technology and economically viable " oily sludge " treating method and apparatus.
Chinese invention patent prospectus CN105084687A discloses a kind of chemical synthesis processing side of polymer-containing oil sludge
Method, including by greasy filth with auxiliary mixed agent mix after, produce destructing reacts, realize the recycling of oil content.The process chemistry medicine
The usage amount of agent can promote after-treatment, a certain amount of heat energy loss.
Chinese invention patent prospectus CN204897694U discloses a kind of processing unit of oil field waste.Including
Feed hopper, heating unit, coagulation device, secondary processor and air processing unit.The device is only suitable for land operation,
Floor space is big.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of processing side of oily sludge on offshore platform
Method, improves the treatment effeciency of oily sludge while occupation area of equipment is reduced.
To achieve these goals, technical scheme is as follows：
The processing method of oily sludge on offshore platform, including the processing of pyrolysis desorption, vent gas treatment, wastewater treatment；
The pyrolysis desorption processing is completed in pyrolysis desorption reaction kettle, to being pyrolyzed the inwall of desorption reaction kettle and pyrolysis being desorbed
The inside of reactor is heated simultaneously, and pyrolysis desorption reaction kettle is vertically arranged, and oily sludge is passed through in pyrolysis desorption reaction kettle
Discharged after crossing laterally centrifugation and vertical rolling out of pyrolysis desorption reaction kettle；
Vent gas treatment is used to handle the tail gas that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation；
Wastewater treatment is used to handle the waste water that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation.
As an improvement, also including pre-treatment step, pre-treatment step includes the sorting of foreign matter and crushed, by containing after sorting
Greasy dirt is delivered in pyrolysis desorption reaction kettle, and foreign matter be delivered to again after crushing in pyrolysis desorption reaction kettle.
As a further improvement, the horizontal centrifugation that the oily sludge contains is entered in the upper space of pyrolysis desorption reaction kettle
OK, the vertical rolling that oily sludge contains pyrolysis desorption reaction kettle lower space carry out, pyrolysis gas from pyrolysis desorption reaction kettle
Top export.
As further improving, the inside of the pyrolysis desorption reaction kettle uses the heating of superheated steam, pyrolysis desorption
The inwall of reactor is electrically heated.
As an improvement, the bottom of the superheated steam from pyrolysis desorption reaction kettle is imported.
As an improvement, the superheated steam from surrounding from the axis of pyrolysis desorption reaction kettle to pyrolysis desorption reaction kettle
Injection.
As an improvement, it is described laterally centrifugation for oily sludge under the influence of centrifugal force along pyrolysis desorption reaction kettle footpath
To motion.
Moved as an improvement, axial direction of the vertical rolling for oily sludge along pyrolysis desorption reaction kettle is upper and lower.
As an improvement, the vent gas treatment is included for the filtering of low-temperature catalyzed and activated carbon.
As an improvement, the wastewater treatment be waste water is sequentially passed through into more medium filter, it is primary activity carbon filter, anti-
Permeability apparatus, ozone mixing column, two-stage activated carbon filter.
Beneficial effects of the present invention have：
（1）Because pyrolysis desorption reaction kettle is vertically arranged, floor space is few, can reduce the occupancy to offshore platform.
（2）Oily sludge, by laterally centrifugation and vertical rolling, makes oily sludge in pyrolysis in pyrolysis desorption reaction kettle
By being laterally sufficiently stirred for vertical in desorption reaction kettle, the efficiency of pyrolysis desorption can be improved.
（3）The inside for being pyrolyzed desorption reaction kettle uses the heating of superheated steam, and superheated steam rapidly can take pyrolysis gas out of
It is pyrolyzed desorption reaction kettle.The inwall of pyrolysis desorption reaction kettle is electrically heated, and electrical heating makes the temperature of inwall be not likely to produce fluctuation,
Superheated steam can be given sustainedly and stably to heat, slow down the temperature loss of superheated steam, it is ensured that have preferably pyrolysis desorption effect.
Particularly in horizontal centrifugal process, due to centrifuging the moisture being thrown out of, superheated steam is easily set to have more temperature in the region
Pyrolysis gas outlet is arranged on the top of pyrolysis desorption reaction kettle by degree loss, this programme so that the moisture energy quilt thrown away by centrifugation
It is rapid to take away pyrolysis desorption reaction kettle, prevent it from excessively reducing the temperature of superheated steam, continue while being given by electric heating system
Stably heat, keep the operating temperature for having relative constancy in pyrolysis desorption reaction kettle.
（4）Superheated steam can prevent " powder is quick-fried " phenomenon occur in pyrolysis desorption reaction kettle as protective gas.
（5）The exhaust gas processing device and wastewater treatment equipment of the application, can make tail gas and wastewater to reach standard row that pyrolysis is produced
Put.
Brief description of the drawings
Fig. 1 is flow chart of the invention.
Embodiment
Embodiment 1
As shown in figure 1, on offshore platform oily sludge processing method, including pre-treatment, pyrolysis desorption processing, vent gas treatment,
Wastewater treatment；
Pre-treatment step includes the sorting of foreign matter and crushed, and the oily sludge after sorting is delivered in pyrolysis desorption reaction kettle,
Foreign matter be delivered to again after crushing in pyrolysis desorption reaction kettle.
The processing of pyrolysis desorption is completed in pyrolysis desorption reaction kettle, to being pyrolyzed the inwall of desorption reaction kettle and pyrolysis being desorbed
Heated simultaneously the inside of reactor.The inside for being pyrolyzed desorption reaction kettle uses the heating of superheated steam, and superheated steam is from warm
The bottom for solving desorption reaction kettle is imported, then the surrounding spray at the axis of pyrolysis desorption reaction kettle to pyrolysis desorption reaction kettle
Penetrate.
The inwall of pyrolysis desorption reaction kettle is electrically heated.Pyrolysis desorption reaction kettle is vertically arranged, and oily sludge is in pyrolysis
Discharged in desorption reaction kettle after laterally centrifugation and vertical rolling out of pyrolysis desorption reaction kettle.Laterally centrifugation is oily sludge
Under the influence of centrifugal force along the radial motion of pyrolysis desorption reaction kettle, laterally centrifugation is completed by tray drier.Vertically turn over
Roll and moved for oily sludge along the axial direction for being pyrolyzed desorption reaction kettle is upper and lower, vertical rolling is completed by single shaft twin-shaft mixer.
The horizontal centrifugation that oily sludge contains is carried out in the upper space of pyrolysis desorption reaction kettle, and the vertical rolling that oily sludge contains is in pyrolysis
The lower space of desorption reaction kettle is carried out, top export of the pyrolysis gas from pyrolysis desorption reaction kettle.
Vent gas treatment is used to handle the tail gas that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation.
Vent gas treatment is included for the filtering of low-temperature catalyzed and activated carbon.
Wastewater treatment is used to handle the waste water that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation.
Wastewater treatment be by waste water sequentially pass through more medium filter, primary activity carbon filter, reverse osmosis unit, ozone mixing column,
Two-stage activated carbon filter.
Claims (10)
1. the processing method of oily sludge on offshore platform, it is characterised in that：Including pyrolysis desorption processing, vent gas treatment, waste water
Processing；
The pyrolysis desorption processing is completed in pyrolysis desorption reaction kettle, to being pyrolyzed the inwall of desorption reaction kettle and pyrolysis being desorbed
The inside of reactor is heated simultaneously, and pyrolysis desorption reaction kettle is vertically arranged, and oily sludge is passed through in pyrolysis desorption reaction kettle
Discharged after crossing laterally centrifugation and vertical rolling out of pyrolysis desorption reaction kettle；
Vent gas treatment is used to handle the tail gas that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation；
Wastewater treatment is used to handle the waste water that the thermal decomposition product produced in pyrolysis desorption reaction kettle is obtained after three phase separation.
2. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：Also include pre-treatment to walk
Suddenly, pre-treatment step includes the sorting of foreign matter and crushed, and the oily sludge after sorting is delivered in pyrolysis desorption reaction kettle, different
Thing be delivered to again after crushing in pyrolysis desorption reaction kettle.
3. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：The oily sludge contains
Horizontal centrifugation carried out in the upper space of pyrolysis desorption reaction kettle, the vertical rolling that oily sludge contains is in pyrolysis desorption reaction kettle
Lower space carry out, pyrolysis gas from pyrolysis desorption reaction kettle top export.
4. the processing method of oily sludge on the offshore platform as described in claim 1 or 3, it is characterised in that：The pyrolysis is de-
The inside of reaction enclosure kettle uses the heating of superheated steam, and the inwall of pyrolysis desorption reaction kettle is electrically heated.
5. the processing method of oily sludge on offshore platform as claimed in claim 4, it is characterised in that：The superheated steam from
The bottom for being pyrolyzed desorption reaction kettle is imported.
6. the processing method of oily sludge on offshore platform as claimed in claim 4, it is characterised in that：The superheated steam by
It is pyrolyzed at the axis of desorption reaction kettle to the surrounding of pyrolysis desorption reaction kettle and sprays.
7. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：The transverse direction, which is centrifuged, is
Oily sludge is under the influence of centrifugal force along the radial motion of pyrolysis desorption reaction kettle.
8. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：It is described it is vertical rolling be
Axial direction of the oily sludge along pyrolysis desorption reaction kettle is upper and lower to move.
9. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：The vent gas treatment bag
Include as the filtering of low-temperature catalyzed and activated carbon.
10. the processing method of oily sludge on offshore platform as claimed in claim 1, it is characterised in that：The wastewater treatment
It is that waste water is sequentially passed through into more medium filter, primary activity carbon filter, reverse osmosis unit, ozone mixing column, second order activity
Carbon filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599433.7A CN107151088B (en) | 2017-07-21 | 2017-07-21 | Treatment method of oily sludge on offshore platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710599433.7A CN107151088B (en) | 2017-07-21 | 2017-07-21 | Treatment method of oily sludge on offshore platform |
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| CN107151088A true CN107151088A (en) | 2017-09-12 |
| CN107151088B CN107151088B (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516595A (en) * | 2018-12-05 | 2019-03-26 | 珠海力新环保有限公司 | A kind of sewage-treatment plant and method |
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| CN109516595A (en) * | 2018-12-05 | 2019-03-26 | 珠海力新环保有限公司 | A kind of sewage-treatment plant and method |
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| CN107151088B (en) | 2020-12-29 |
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