CN109721221A - Sump oil mud treatment system and method - Google Patents
Sump oil mud treatment system and method Download PDFInfo
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- CN109721221A CN109721221A CN201910091988.XA CN201910091988A CN109721221A CN 109721221 A CN109721221 A CN 109721221A CN 201910091988 A CN201910091988 A CN 201910091988A CN 109721221 A CN109721221 A CN 109721221A
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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
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- 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 discloses a kind of sump oil mud treatment system and method, system includes vacuum distillation apparatus, the first air extractor, decompression pyrolysis installation and the second air extractor；The gaseous phase outlet of the vacuum distillation apparatus is connect with first air extractor, and the pyrolysis gas outlet of the decompression pyrolysis installation is connect with second air extractor, and the feed inlet of the decompression pyrolysis installation is connect with the heavy out of the decompression pyrolysis installation；Wherein, intermittent reduced pressure distillation is carried out to the oil sludge by the vacuum distillation apparatus to handle to obtain lightweight oil and heavy phase component, intermittent reduced pressure thermal decomposition process is carried out to the heavy phase component by the decompression pyrolysis installation again, obtains pyrolysis oil and residue.Sump oil mud treatment system provided by the invention and method, to various oil sludges applicability with higher, and technology stability with higher and safety and higher Oil recovery rate, and it is energy saving, reduce energy consumption.
Description
Technical field
The present invention relates to oil sludge processing technology field more particularly to a kind of sump oil mud treatment system and methods.
Background technique
Contain oil, water, silt and other impurities, complicated component in oil sludge.Oil sludge direct emission will cause effectively
The waste of oil, and ecological environment can be caused seriously to pollute and destroy, therefore, it is necessary to be effectively treated to oil sludge.
Currently, many sump oil sludge treatment technologys are had been carried out both at home and abroad, it, will with the production method of continuous pyrolytic process and batch production
Oil sludge is converted into easily storage, easily transport, energy density height and the products such as oil product easy to use, combustible gas, solid product.But
It is that these techniques be easy to cause gas phase light hydrocarbons component second pyrolysis, increases on-condensible gas yield, high-quality oil returns
The problems such as yield is lower, results in waste of resources, while there is also security risk height and high energy consumptions.
Summary of the invention
The embodiment of the invention provides a kind of sump oil mud treatment system and methods, it is therefore intended that improves to various oil sludges
Applicability improves the stability and safety of technique, and energy-saving；Another purpose is to guarantee that the high efficiency of oil is returned
It receives.
In order to achieve the above object, on the one hand the embodiment of the present invention provides a kind of sump oil mud treatment system, and system includes
Vacuum distillation apparatus, the first air extractor, decompression pyrolysis installation and the second air extractor；Vacuum distillation apparatus include oil sludge into
Mouth, gaseous phase outlet and heavy out are respectively arranged with valve, gaseous phase outlet and the first pumping in oil sludge import and heavy out
Device connection, vacuum distillation apparatus is interior to be equipped with mixing component；Depressurizing pyrolysis installation includes that feed inlet, pyrolysis gas outlet and residue go out
Mouthful, it is respectively arranged with valve in feed inlet and solid discharge, pyrolysis gas outlet is connect with the second air extractor, feed inlet and heavy phase
Outlet connection, decompression pyrolysis installation is interior to be equipped with mixing component；Wherein, intermittent subtract is carried out to oil sludge by vacuum distillation apparatus
Pressure distillation handles to obtain lightweight oil and heavy phase component, then carries out intermittent reduced pressure heat by decompression pyrolysis installation counterweight phase component
Resolution process obtains pyrolysis oil and residue.
On the other hand the embodiment of the present invention provides a kind of Oil sludge treatment method, method is the following steps are included: decompression is steamed
Processing step is evaporated, oil sludge to be processed is subjected to intermittent reduced pressure distillation processing, obtains lightweight oil and heavy phase component；Decompression heat
Heavy phase component is carried out intermittent reduced pressure thermal decomposition process, obtains pyrolysis oil and residue by resolution process step.
The oil sludge of predetermined amount is sent into vacuum distillation apparatus, closed by sump oil mud treatment system provided in an embodiment of the present invention
The valve for closing oil sludge import and heavy out regulates and controls the vacuum degree in vacuum distillation apparatus by the first air extractor, close
It closes, vacuum distillation processing is carried out to oil sludge under conditions of vacuum, by regulating and controlling vapo(u)rizing temperature, to remove moisture and to dirt
Lightweight oil in greasy filth realizes vacuum fractionation, and obtained gas obtains different fractions through condensation, such as gasoline, diesel oil, lubrication
The contour quality product of oil.
Since vacuum distillation apparatus uses intermittent operation, first removes moisture and then oil sludge is evaporated under reduced pressure
It is pyrolyzed with subsequent decompression, the disturbance so as to avoid moisture to technical process, technology stability with higher, therefore to dirt
There is no limit can handle the oil sludge that moisture content is the various sources below 95wt%, improve pair the moisture content of greasy filth supplied materials
The applicability of various oil sludges, and oil quality and the rate of recovery are improved, and energy-saving；And device in operation close
Closing property is good, and distillation procedure temperature substantially reduces, and device internal pressure is balanced, easy to control, prevents and leaks into air, guarantees
Lower oxygen content and higher vacuum degree inside device, thus make vacuum distillation apparatus process safety with higher, with
And make lightweight oil that there is higher quality and the rate of recovery.
Heavy phase group from vacuum distillation apparatus is distributed into decompression pyrolysis installation, closes the valve of feed inlet and solid discharge
Door regulates and controls the vacuum degree in decompression pyrolysis installation by the second air extractor, under conditions of closed, vacuum counterweight phase component into
Row decompression pyrolysis processing, to realize decompression thermal decomposition to the heavy oil in oil sludge, obtained gas obtains height through condensation
Quality is pyrolyzed oil and fixed gas.
Due to being stripped of the moisture in oil sludge in vacuum distillation apparatus and having recycled a large amount of oils in oil sludge, obtain
To heavy phase component in oil content be substantially reduced, and disturbance of the moisture to technical process is avoided, thus technique with higher
Stability, and significantly reduce the energy consumption of decompression pyrolysis installation, therefore, moisture content and oil content of the present invention to oil sludge supplied materials
There is no limit improve the applicability to various source oil sludges.
Since decompression pyrolysis installation uses intermittent operation, the good leak tightness of device in operation makes pyrolysis close
It closes, carried out under conditions of vacuum, pyrolysis operations temperature substantially reduces, and device internal pressure is balanced, easy to control, process stabilizing
Property further increase, be also effectively prevented from light hydrocarbons component second pyrolysis, reduced fixed gas yield, improved high-quality
In addition the rate of recovery of oil prevents and leaks into air, guarantee lower oxygen content and higher vacuum degree inside device, thus
Make to depressurize pyrolysis installation process safety with higher and make high-quality oil that there is the higher rate of recovery, and further
Reduce energy consumption.
Due to being respectively arranged with mixing component in vacuum distillation apparatus and decompression pyrolysis installation, in operation by stirring
It mixes and effectively improves the heated uniformity of material, be conducive to improve the recovery efficiency to oil in oil sludge, and energy-saving.
Using sump oil mud treatment system provided by the invention and method, the intermittent vacuum distillation of the advanced row of oil sludge is handled
Lightweight oil and heavy phase component are obtained, then counterweight phase component carries out intermittent reduced pressure pyrolysis processing and obtains cracking oil and residue,
To various oil sludges applicability with higher, the harmless treatment of the oil sludge to various sources is realized well, effectively
The impurity such as organic matter and silt are separated, obtained oil superior product quality and the rate of recovery is high, and total hydrocarbon content is in obtained residue
0.3wt% is hereinafter, meet stringent environmental requirement, and process safety is high, energy saving, reduce energy consumption, major pollutants
Discharge index meets " petroleum refining industry pollutant emission standard " (GB31570-2015).
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of flow diagram of Oil sludge treatment method provided in an embodiment of the present invention.
Fig. 2 is a kind of structural schematic diagram of sump oil mud treatment system provided in an embodiment of the present invention.
Fig. 3 is a kind of structural schematic diagram of stirred autoclave provided in an embodiment of the present invention.
Label declaration:
1, vacuum distillation apparatus；101, oil sludge import；102, gaseous phase outlet；103, heavy out；104, the first stirring
Component；
2, pyrolysis installation is depressurized；201, feed inlet；202, pyrolysis gas outlet；203, solid discharge；204, the second stirring group
Part；
3, the first air extractor；301, the first condenser；302, the first vacuum pump；
4, the second air extractor；401, the second condenser；402, the second vacuum pump；
5, valve；
6, stirred autoclave；601, outer housing；602, inner housing；603, heat medium runner；604, material inlet；605,
Gas vent；606, sub-export is recombinated；607, medium entrance；608, media outlet；609, spacer ring；610, heat absorbing sheet；611, it stirs
Mix axis；612, stirring blade；613, motor；614, connector；615, filter；
7, heating furnace；
8, heat recovery heat exchanger；801, air-introduced machine；802, combustion fan；
9, chimney；
10, water collect tank；101, sewage output pump；11, the first oil collecting tank；111, the first oil output pump；12, second
Oil collecting tank；121, the second oil output pump；13, extractant recycling can；131, extractant reuse pumps；
14, third condenser；
151, coolant recirculation pump；152, coolant liquid surge tank；153, air cooler；
16, fixed gas processing unit；
17, pretreatment unit；
18, storage device；181, inlet valve；182, screw conveyor；
19, extractant throwing device；
20, catalyst throwing device；
21, cooling storehouse；211, inner casing；212, shell；213, cooling medium runner；214, helix transporting device；
221, cooling medium circulating pump；222, cooling medium surge tank；223, air cooler.
23, feeder；24, discharging machine.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is further retouched in detail
It states.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting the present invention.
To those skilled in the art, the present invention can be real in the case where not needing some details in these details
It applies.Below the description of embodiment is used for the purpose of better understanding the present invention to provide by showing example of the invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Illustrate Oil sludge treatment method provided in an embodiment of the present invention first.Fig. 1 is please referred to, it is provided in an embodiment of the present invention
A kind of Oil sludge treatment method the following steps are included:
S10 is evaporated under reduced pressure processing step, and oil sludge to be processed is carried out intermittent reduced pressure distillation processing, obtains light oil
Divide and heavy phase component.
S20 depressurizes thermal decomposition process step, and heavy phase component is carried out intermittent reduced pressure thermal decomposition process, obtains pyrolysis oil
Point and residue.
It is evaporated under reduced pressure processing step S10 and uses intermittent operation mode, by the oil sludge of predetermined amount in closed, vacuum item
Vacuum distillation processing is carried out under part, by regulating and controlling vapo(u)rizing temperature, to remove moisture and realize to the lightweight oil in oil sludge
Vacuum fractionation, obtained gas obtain different fractions, such as the high quality product of gasoline, diesel oil, lubricating oil through condensation.
Due to step S10 use intermittent operation, first remove moisture and then to oil sludge carry out vacuum distillation and it is subsequent
Decompression thermal decomposition, the disturbance so as to avoid moisture to technical process, technology stability with higher, therefore to oil sludge
There is no limit can handle the oil sludge that moisture content is the various sources below 95wt%, improve to various the moisture content of supplied materials
The applicability of oil sludge, and oil quality and the rate of recovery are improved, and energy-saving；And be conducive to operating device in operating process
In airtightness with higher, substantially reduce distillation procedure temperature, and make that operating device internal pressure is balanced, controlling party
Just, it prevents and leaks into air, guarantee lower oxygen content and higher vacuum degree inside device, so that step S10 be made to have
Higher process safety and make lightweight oil that there is higher quality and the rate of recovery.
Depressurize in thermal decomposition process step S20, heavy phase component that step S10 is obtained under conditions of closed, vacuum into
Row decompression thermal decomposition process, makes the heavy oil thermally decomposed carbon in oil sludge, obtained low molecular hydrocarbon gas is through condensing
Oil is pyrolyzed to high-quality.
Due to the moisture being stripped of in oil sludge in step slo and a large amount of oils in oil sludge have been recycled, have been obtained
Oil content is substantially reduced in heavy phase component, and avoids disturbance of the moisture to technical process, thus process stabilizing with higher
Property, and the energy consumption of step S20 is significantly reduced, therefore, method of the invention is equal to the moisture content and oil content of oil sludge supplied materials
There is no limit improve the applicability to various source oil sludges.
Since step S20 uses intermittent operation, be conducive to operating device airtightness with higher in operation,
Pyrolysis operations temperature is substantially reduced, and makes device internal pressure balanced, easy to control, effectively prevents light hydrocarbons group
It cracks in two times, reduces fixed gas yield, improve the rate of recovery of high-quality oil, in addition prevent and leak into air, guarantee
Lower oxygen content and higher vacuum degree inside device, to make step S20 process safety with higher and make height
Quality oil has the higher rate of recovery, and further decreases energy consumption.
In step S10 and step S20, material is stirred in operation, can be effectively improved by stirring
The heated uniformity of material, improves the recovery efficiency to oil in oil sludge, and energy-saving.
It is real well to various oil sludges applicability with higher using Oil sludge treatment method provided by the invention
The harmless treatment for having showed the oil sludge to various sources efficiently separates the impurity such as organic matter and silt, obtained oil product
Quality is good and the rate of recovery is high, and total hydrocarbon content is low in obtained residue, and technology stability and it is highly-safe and energy saving,
Reduce energy consumption.
Further, include: in step S10
S101, dehydration, in the case where absolute pressure is 50kPa or less, temperature is 65 DEG C~150 DEG C to oil sludge to be processed
Carry out vacuum distillation dehydration.
S102, fractionating step, absolute pressure be 50kPa hereinafter, by dewatered oil sludge press default temperature program by
100 DEG C~200 DEG C are warming up to 350 DEG C~400 DEG C progress vacuum fractionation processing, obtain a variety of distillates and heavy phase component.
It, can be according to the difference of its composition of the oil sludge of separate sources, really in dehydration S101 and fractionating step S102
The temperature program of fixed suitable vacuum distillation dehydration temperature and vacuum fractionation processing.
It is wherein set according to the difference of oils each component boiling point by the staged to temperature in step S102, with temperature
The continuous raising of degree, lightweight oil, which gradually gasifies, is detached from sludge, and is cut into several boiling ranges, and recycling obtains more after condensation liquefaction
Kind distillate, such as gasoline, diesel oil, lubricating oil etc..
As an example, can be in absolute pressure is 50kPa hereinafter, pre- in 100 DEG C~200 DEG C heat preservations in step S102
If the time, it is warming up to 200 DEG C~350 DEG C later and keeps the temperature preset time, then heat to 350 DEG C~400 DEG C and keeps the temperature default
Time makes the distillates of different boiling ranges gradually gasification separation, recycles after condensation liquefaction.The soaking time in aforementioned each stage can be with
It is determined according to the practical composition of oil sludge.
Further, in step S20, the absolute pressure for depressurizing thermal decomposition process is 5kPa or less, temperature be 400 DEG C~
650℃.Suitable thermal decomposition temperature can be determined according to the difference of its composition of the oil sludge of separate sources.
Oil sludge is from a wealth of sources, complicated component, may contain oil slick, it is also possible to can be big containing metal, stone, brick etc.
The mechanical admixture of size.Further, further include pre-treatment step S30 before step S10, oil sludge to be processed is carried out
Pretreatment, removes oil slick and/or partial size is greater than the mechanical admixture of 30mm.By removing oil slick in advance, oil sludge is made to homogenize, it can
To reduce the energy consumption in subsequent step S10 and step S20；The mechanical admixture for being greater than 30mm by removing partial size in advance, can be to prevent
Only these large scale mechanical admixtures influence and protective device caused by whipping process.
In step S30, separating treatment, separation can be carried out to oil sludge to be processed by the way of filtering or centrifuge separation
It removes oil slick and partial size is greater than the mechanical admixture of 30mm.
Before step S10, extractant can also be added into oil sludge, extracted organic matter from sludge using extractant
It takes out, advantageously reduces the temperature for being evaporated under reduced pressure processing in step S10, shorten the processing time, reduce energy consumption, improve processing effect
Rate.
Optionally, after step S30 and before step S10, extractant is added into oil sludge.
As above-mentioned extractant, e.g. material of organic ethers, such as methyl tertiary butyl ether(MTBE), but it is not limited to this.
Before step S20, catalyst can also be added into oil sludge, under the catalysis of the catalyst, be conducive to drop
The temperature that thermal decomposition process is depressurized in low step S20, improves reaction speed, shortens the processing time, and energy saving improves processing effect
Rate.
Optionally, after step S30 and before step S20, catalyst is added into oil sludge.
Further, after step S30 and before step S10, catalyst is added into oil sludge, makes catalyst and dirt
Greasy filth is stirred jointly and fully in step slo so that before step S20, catalyst with it is real to thermal decomposition material
Show evenly dispersed, has eliminated the operation that catalyst is mixed with heavy phase component.Fill catalyst with to thermal decomposition material in advance
Tap touching, can further shorten the processing time of step S20, reduce energy consumption, improve treatment effeciency.
As above-mentioned catalyst, e.g. small sphere molecule sieve catalyst, but it is not limited to this.
Next Fig. 2 to Fig. 3 is combined to illustrate a kind of sump oil mud treatment system provided in an embodiment of the present invention, through the invention
The sump oil mud treatment system that embodiment provides can be realized above-mentioned Oil sludge treatment method.Fig. 2 schematically shows this hair
A kind of structure chart for sump oil mud treatment system that bright embodiment provides, according to Fig.2, a kind of dirt provided in an embodiment of the present invention
Sludge treatment system includes vacuum distillation apparatus 1, the first air extractor 3, decompression pyrolysis installation 2 and the second air extractor 4.
Wherein, vacuum distillation apparatus 1 includes oil sludge import 101, gaseous phase outlet 102 and heavy out 103, in oil sludge
Import 101 and heavy out 103 are respectively arranged with valve 5, and gaseous phase outlet 102 is connect with the first air extractor 3, vacuum distillation dress
It sets and is equipped with the first mixing component 104 in 1.
Decompression pyrolysis installation includes feed inlet 201, pyrolysis gas outlet 202 and solid discharge 203, in feed inlet 201 and residual
Slag outlet 203 is respectively arranged with valve 5, and pyrolysis gas outlet 202 is connect with the second air extractor 4, feed inlet 201 and heavy out
103 connections, decompression pyrolysis installation 2 is interior to be equipped with the second mixing component 204.
Intermittent reduced pressure distillation is carried out to oil sludge by vacuum distillation apparatus 1 to handle to obtain lightweight oil and heavy phase group
Point, then intermittent reduced pressure thermal decomposition process is carried out by decompression 2 counterweight phase component of pyrolysis installation, obtain pyrolysis oil and residue.
The oil sludge of predetermined amount is sent into vacuum distillation apparatus 1, closed by sump oil mud treatment system provided in an embodiment of the present invention
The valve 5 for closing oil sludge import 101 and heavy out 103 is regulated and controled true in vacuum distillation apparatus 1 by the first air extractor 3
Reciprocal of duty cycle carries out vacuum distillation processing to oil sludge under conditions of closed, vacuum, by regulating and controlling vapo(u)rizing temperature, by sump oil muddy water
Point, the gradually heating vaporization such as lightweight oil, to remove moisture and realize vacuum fractionation to the lightweight oil in oil sludge, by
First air extractor 3 extracts obtained gas out from vacuum distillation apparatus 1, and condenses and obtain different fractions, such as gasoline, bavin
The high quality product such as oil, lubricating oil.
Due to vacuum distillation apparatus 1 use intermittent operation, conveniently realize first remove moisture and then to oil sludge into
Row vacuum distillation and subsequent decompression pyrolysis, the disturbance so as to avoid moisture to technical process, therefore technique with higher
Stability, and there is no limit can handle the dirt that moisture content is the various sources below 95wt% to the moisture content of oil sludge supplied materials
Greasy filth improves the applicability to various oil sludges, and improves oil quality and the rate of recovery, and energy-saving；And device exists
Good leak tightness in operating process, it is therefore prevented that air is leak into, guarantees lower oxygen content and higher vacuum degree inside device, from
And make the process safety with higher of vacuum distillation apparatus 1 and make lightweight oil that there is higher quality and the rate of recovery, also
So that distillation procedure temperature substantially reduces, and device internal pressure is balanced, easy to control, improves treatment effeciency, reduces energy consumption.
Heavy phase group from vacuum distillation apparatus 1 is distributed into decompression pyrolysis installation 2, feed inlet 201 is closed and residue goes out
Mouthfuls 203 valve 5 regulates and controls the vacuum degree in decompression pyrolysis installation 2 by the second air extractor 4, under conditions of closed, vacuum
Counterweight phase component carries out decompression pyrolysis processing, so that decompression thermal decomposition is realized to the heavy oil in oil sludge, by the first pumping
Device 3 will extract obtained gas out from decompression pyrolysis installation 2, and condenses and obtain high-quality pyrolysis oil and fixed gas.
Due to being stripped of the moisture in oil sludge in vacuum distillation apparatus 1 and having recycled a large amount of oils in oil sludge, obtain
To heavy phase component in oil content be substantially reduced, and disturbance of the moisture to technical process is avoided, thus technique with higher
Stability, and significantly reduce the energy consumption of decompression pyrolysis installation 2, therefore, moisture content and oil-containing of the present invention to oil sludge supplied materials
There is no limit improve the applicability to various source oil sludges to rate.
Since decompression pyrolysis installation 2 uses intermittent operation, the good leak tightness of device in operation makes pyrolysis close
It closes, carried out under conditions of vacuum, pyrolysis operations temperature substantially reduces, and device internal pressure is balanced, easy to control, effectively prevents
Light hydrocarbons component second pyrolysis is stopped, has reduced fixed gas yield, improve the rate of recovery of high-quality oil, in addition also prevent
Leak into air, guarantee lower oxygen content and higher vacuum degree inside device, thus make to depressurize pyrolysis installation 2 have it is higher
Process safety and make high-quality oil that there is the higher rate of recovery, and further decrease energy consumption.
Due to being provided with mixing component in vacuum distillation apparatus 1 and decompression pyrolysis installation 2, in operation by stirring
It mixes and effectively improves the heated uniformity of material, be conducive to improve the recovery efficiency to oil in oil sludge, and energy-saving.
It is real well to various oil sludges applicability with higher using sump oil mud treatment system provided by the invention
The harmless treatment for having showed the oil sludge to various sources efficiently separates the impurity such as organic matter and silt, obtained oil product
Quality is good and the rate of recovery is high, and total hydrocarbon content is low in obtained residue, and technology stability and it is highly-safe and energy saving,
Reduce energy consumption.
It is understood that sump oil mud treatment system can be vacuum distillation apparatus 1 and decompression pyrolysis installation 2 corresponds
Connection, is also possible to more than two vacuum distillation apparatus 1 and connect respectively with a decompression pyrolysis installation 2.
It can be with common valve between the heavy out 103 of vacuum distillation apparatus 1 and the feed inlet 201 for depressurizing pyrolysis installation 2
5, to simplify structure.It is of course also possible to not share.
In some embodiments, vacuum distillation apparatus 1 and decompression pyrolysis installation 2 can be all made of stirred autoclave 6.It please join
According to Fig. 3, stirred autoclave 6 includes inner housing 602 and the outer housing 601 for being sheathed on the outside of inner housing 602, inner housing 602 and outer
Heat medium runner 603 is formed between shell 601.Inner housing 602 has hollow chamber, the behaviour as handled oil sludge
Make space.
Stirred autoclave 6 have material inlet 604, gas vent 605 and recombination sub-export 606, respectively with hollow chamber
Connection, wherein material inlet 604 and gas vent 605 can be divided into the top both ends of stirred autoclave 6, recombinate sub-export
606 can be set to the bottom of stirred autoclave 6.Wherein, as the stirred autoclave 6 of vacuum distillation apparatus 1, material inlet
604 be above-mentioned oil sludge import 101, and gas vent 605 is above-mentioned gaseous phase outlet 102, and recombination sub-export 606 is
Above-mentioned heavy out 103.As the stirred autoclave 6 of decompression pyrolysis installation 2, material inlet 604 is above-mentioned charging
Mouth 201, gas vent 605 are above-mentioned pyrolysis gas outlet 202, and recombination sub-export 606 is above-mentioned solid discharge 203.
Heat medium runner 603 has the medium entrance 607 and media outlet 608 of heat medium, and heat medium is sent into
In heat medium runner 603, heat medium transfers heat to the dirt in 602 chamber of inner housing by the wall portion of inner housing 602
In greasy filth, the heating to oil sludge is realized.
It can be arranged at intervals with multiple spacer rings 609 in heat medium runner 603, heat medium runner 603 is divided into
Multiple annular compartments independent of each other, each annular compartment include the medium entrance 607 and media outlet 608 of heat medium.It is logical
It crosses and heat medium is divided into multiply is respectively fed in multiple annular compartments, be uniformly heated stirred autoclave 6 integrally, temperature
It controls more accurate, avoids hot-spot and the big problem of temperature control difficulty, improve treatment effeciency, and energy-saving.
Further, spacer ring 609 is heat insulation loop.
Further, heat absorbing sheet 610 is provided in annular compartment.The quantity of heat absorbing sheet 610 can be one, preferably
It is multiple.By the way that heat absorbing sheet 610 is arranged, the heating surface area of reaction kettle can be increased, preferably absorb the heat of heat medium, and add
Fast heat conduction of velocity, makes heat rapidly be transferred to oil sludge.
There is mixing component, mixing component includes agitating shaft 611 and is connected on agitating shaft 611 in stirred autoclave 6
Stirring blade 612.Specifically, agitating shaft 611 is horizontally disposed in the inner housing 602 of stirred autoclave 6, and both ends are logical
It crosses bearing to be connected on shell wall, and one end is connect with motor 613, drives agitating shaft 611 to rotate by motor 613, thus band
Dynamic stirring blade 612 is stirred oil sludge.
Stirring blade 612 can be straight leaf, hinged joint, helical-blade etc..Preferably, 612 quilt of stirring blade on agitating shaft 611
It is configured to carry out convection current stirring to oil sludge, can realize the high intensity stirring to oil sludge during heating, more efficiently
Heat is transmitted to oil sludge, shortens the process time, improves process efficiency, reduces process energy consumption.
As an example, in stirred autoclave 6, there are two paddles for horizontally spaced setting on agitating shaft 611
Piece group, and two stirring blade groups are divided into the two sides of heavy constituent outlet 606.Each stirring blade group includes arranging in the shape of a spiral
Multiple stirring blades 612, each stirring blade 612 is connected to agitating shaft 611 and opposite by connector 614 (such as connecting rod)
It is obliquely installed in agitating shaft 611, tilt angle is, for example, 30 DEG C~50 DEG C, and the stirring blade 612 in each stirring blade group
Mixing surface towards another stirring blade group be arranged.
In whipping process, two stirring blade groups push oil sludge heavy from the both ends of stirred autoclave 6 to corresponding to respectively
The regional movement of group sub-export 606, and the both ends by flowing to stirred autoclave 6 at the top of the region of corresponding recombination sub-export 606, then
The region of corresponding recombination sub-export 606 is pushed back from both ends by two stirring blade groups, this is a convection current agitation cycle, by not
The convection current stirring of disconnected ground, realizes to the efficient process of oil sludge, heavy constituent is discharged by recombination sub-export 606 later.
The tilt angle of above-mentioned stirring blade 612, i.e. setting angle refer to the mixing surface and stirring of stirring blade 612
Acute angle folded by 611 axis of axis.The mixing surface of stirring blade 612 is that material fortune is pushed in stirring blade 612 in whipping process
Dynamic surface.
In this example, stirring blade 612 can be straight type structure, be also possible to curved structure；Stirring blade 612 can be with
It is polygon, curl shape etc..As an example, stirring blade 612 is rectangle, and mixing surface is plane.
Further, there is spacing, the size of spacing is 20mm between stirring blade 612 and the inner wall of inner housing 602
~40mm, for example, 25mm~35mm, then for example, 30mm.By making between stirring blade 612 and the inner wall of inner housing 602
With above-mentioned spacing, it can satisfy expanding needs of the shell in thermal histories, to guarantee that stirred autoclave 6 works reliable
Property.
Preferably, recombination sub-export 606 is located at the bottom center of stirred autoclave 6.
Further, the gas vent of stirred autoclave 6 is provided with filter 615, to be filtered to gas, removes degassing
The dust carried in body, to avoid influence of the dust to subsequent process steps and device.
Of course, it is possible to be that vacuum distillation apparatus 1 is stirred to react with any one in decompression pyrolysis installation 2 using above-mentioned
Kettle or vacuum distillation apparatus 1 and decompression pyrolysis installation 2 are all made of other reaction units with stirring, as long as vacuum distillation dress
Setting 1 and can be realized intermittent reduced pressure distillation processing to oil sludge and decompression pyrolysis installation 2 can be realized between counterweight phase component
Formula of having a rest depressurizes pyrolysis processing.
Further, sump oil mud treatment system can also include heating furnace 7.The hot-blast outlet of heating furnace 7 and decompression are pyrolyzed
The import of the heat medium runner of device 2 connects, and depressurizes outlet and the vacuum distillation apparatus of the heat medium runner of pyrolysis installation 2
The import of 1 heat medium runner connects.The hot wind that heating furnace 7 generates is orderly used to decompression pyrolysis installation 2 and vacuum distillation dress
The heating for setting 1 improves heat utilization rate, energy saving, reduction energy consumption.
When depressurizing pyrolysis installation 2 and vacuum distillation apparatus 1 is all made of above-mentioned stirred autoclave 6, what heating furnace 7 was sent out
Hot wind is divided into multiply and is respectively fed in multiple annular compartments of decompression pyrolysis installation 2, carries out exchanging heat it in decompression pyrolysis installation 2
Afterwards, multiply hot wind is respectively fed to carry out heat exchange in multiple annular compartments of vacuum distillation apparatus 1 again.
It preferably, can also include heat recovery heat exchanger 8.The heat source side-entrance and decompression of heat recovery heat exchanger 8 are steamed
The outlet connection of the heat medium runner of distillation unit 1, heat source side outlet are connect with chimney 9, the cold source side of heat recovery heat exchanger 8
Import is communicated with the atmosphere, cold source side outlet with heating furnace 7 helps fuel gas inlet to connect.Wherein, the heat source of heat recovery heat exchanger 8
Side outlet can be connect by air-introduced machine 801 with chimney 9, and cold source side-entrance can be communicated with the atmosphere by combustion fan 802.
By the hot wind after being heated to vacuum distillation apparatus 1 and decompression pyrolysis installation 2, waste heat is introduced by air-introduced machine 801 and is returned
Heat exchanger 8 is received, heat exchange is carried out with the air that combustion fan 802 introduces, forms high temperature combustion supporting air, realize heat recovery,
Improve heat recovery rate.Air is re-introduced into heating furnace 7 after being preheated, and plays the energy-conserving action in heating furnace 7.It changes
Low temperature hot wind after heat is sent into chimney 9 by air-introduced machine 801 and is discharged.
In some embodiments, the first air extractor 3 includes the first condenser 301 and the first vacuum pump 302, the first condensation
The import of device 301 is connect with the gaseous phase outlet 102 of vacuum distillation apparatus 1, the gas vent and the first vacuum of the first condenser 301
302 connection of pump.In vacuum distillation process, vacuum distillation apparatus 1 is vacuumized by the first vacuum pump 302, so that in device
Portion keeps higher vacuum degree, and the gas of the first vacuum pump 302 extraction enters 301 condensation liquefaction of the first condenser.First condensation
The liquid-phase outlet of device 301 is respectively connected to water collect tank 10, the first oil collecting tank 11, the second oil collecting tank 12 and extractant and returns
Closed cans 13 carries out classification recycling.Wherein, the outlet of water collect tank 10 is connect with sewage output pump 101, and sewage is externally conveyed；
The outlet of first oil collecting tank 11 is connect with the first oil output pump 111, and the first oil is externally conveyed；Second oil is received
The outlet of collection tank 12 is connect with the second oil output pump 121, and the second oil is externally conveyed；The outlet of extractant recycling can 13
It connect, will be extracted with the extractant import of extractant throwing device 19 (being described in detail below) through extractant reuse pump 131
Agent recycles, and economizes on resources.
Above-mentioned first oil is, for example, gasoline, and the second oil is, for example, diesel oil.It is understood that can also include third
The liquid-phase outlet of oil collecting tank, the first condenser 301 is connect with third oil collecting tank, recycles third oil, such as lubricate
Oil.The outlet of third oil collecting tank is connect with third oil output pump, and third oil is externally conveyed.Similarly, may be used also
To further comprise other oil collecting tanks, to collect other oils.
Second air extractor 4 include the second condenser 401 and the second vacuum pump 402, the import of the second condenser 401 with subtract
The pyrolysis gas outlet 202 of pyrolysis installation 2 is pressed to connect, the gas vent of the second condenser 401 is connect with the second vacuum pump 402.?
It depressurizes in pyrolytic process, is vacuumized by 402 pairs of decompression pyrolysis installations 2 of the second vacuum pump, keep higher true with device inside
The gas of reciprocal of duty cycle, the extraction of the second vacuum pump 402 enters 401 condensation liquefaction of the second condenser.The liquid-phase outlet of second condenser 401
It is respectively connected to the first oil collecting tank 11 and the second oil collecting tank 12, and optional third oil collecting tank and other oil
Divide collecting tank, carries out classification recycling.
It further, further include third condenser 14.The fixed gas outlet of first vacuum pump 302 and the second vacuum pump 402
Fixed gas outlet connect with the import of third condenser 14, the combustion gas of the gas vent of third condenser 14 and heating furnace 7 into
Mouth connection.Gas that first condenser 301 and the second condenser 401 failed to condensation is carried out by third condenser 14 secondary cold
Lime set obtains oil product and fixed gas, improves Oil Recovery rate.Fixed gas is mainly made of C4 following components, as ethane,
Obtained fixed gas is sent into heating furnace 7 as auxiliary by ethylene and portion of methane, hydrogen, butane etc., calorific value with higher
Fuel realizes that calorific value makes full use of, energy saving.It is used fixed gas as auxiliary fuel, also makes the exhaust gas finally discharged
Body is more safe and environment-friendly.
The liquid-phase outlet of third condenser 14 is respectively connected to the first oil collecting tank 11 and the second oil collecting tank 12, with
And optional third oil collecting tank and other oil collecting tanks, carry out classification recycling.
First condenser 301, the second condenser 401 and the respective cooling liquid inlet of third condenser 14 are respectively and via cold
But liquid circulating pump 151 is connect with the cooling liquid outlet of coolant liquid surge tank 152, the first condenser 301, the second condenser 401 and
The respective cooling liquid outlet of third condenser 14 is connect with the cooling liquid inlet of air cooler 153 respectively, the coolant liquid of air cooler 153
Outlet is connect with the cooling liquid inlet of coolant liquid surge tank 152, forms the circulation loop of coolant liquid.Using coolant liquid circulation temperature lowering
Mode, by high-temperature gas condensation liquefaction.
Further, further include fixed gas processing unit 16, be connected between third condenser 14 and heating furnace 7, be used for
Purified treatment is carried out to fixed gas.Desulfurization process is carried out to fixed gas by fixed gas processing unit 16 or desulphurization denitration is handled,
It can be used as in the hot wind that fuel obtains to avoid fixed gas containing sulfide (such as sulfur dioxide, sulfur trioxide, hydrogen sulfide) etc.
Harmful substance makes the gas safety finally discharged by chimney 9, environmental protection.
Fixed gas processing unit 16 can use wet desulphurization (desulphurization denitration) device, such as spray column.In spray column, by
Under it is supreme successively include gas distributor, packing layer, spray assemblies and demister.Fixed gas is entered in spray column by tower bottom, with
The cleaning solution counter current contacting sprayed by spray assemblies, to absorb sulfide (sulfide and the nitridation in fixed gas with cleaning solution
Object), fixed gas and cleaning solution can be made more fully to contact by the way that packing layer is arranged, improve purification efficiency.It is purified not
Solidifying gas is sent to the burning of heating furnace 7 and is utilized after demister carries out demisting.
Above-mentioned cleaning solution can not do specific limit using the known cleaning solution for being used for desulfurization (desulphurization denitration), the present invention
System.As an example, desulfurization cleaning solution can be lye, such as NaOH lye.
Further, sump oil mud treatment system can also include pretreatment unit 17.Pretreatment unit 17 and vacuum distillation
The oil sludge import 101 of device 1 connects, miscellaneous greater than the machinery of 30mm for pre-processing removing oil slick and/or partial size to oil sludge
Matter.Pretreatment unit 17 can use one of filter plant and centrifugation apparatus or a variety of.
Further, sump oil mud treatment system can also include storage device 18.Storage device 18 is connected to pretreatment
Between device 17 and vacuum distillation apparatus 1, it can be used for caching the pretreated oil sludge of preprocessed device 17.As an example,
Storage device 18 has inlet and outlet, and import can be connect by feeder 23 with pretreatment unit 17, and be set in entrance
There is inlet valve 181, i.e., the oil sludge from pretreatment unit 17 is sent into via inlet valve 181 by storage device using feeder 23
It is cached in 18.The outlet of storage device 18 can pass through the oil sludge entrance of screw conveyor 182 and vacuum distillation apparatus 1
101 connections, are pushed to oil sludge in vacuum distillation apparatus 1 by screw conveyor 182.
Further, sump oil mud treatment system can also include extractant throwing device 19.Extractant throwing device 19 connects
It is connected on the access before vacuum distillation apparatus 1, such as is connected between pretreatment unit 17 and vacuum distillation apparatus 1, be used for
Extractant is added in the forward direction oil sludge that oil sludge enters vacuum distillation apparatus 1.In vacuum distillation apparatus 1, in the first stirring
Under the stirring of component 104, extractant comes into full contact with oil sludge, and the lightweight oil in oil sludge is fully extracted, from
And can reduce the operation temperature of vacuum distillation apparatus 1, shorten the processing time, reduce energy consumption, improves treatment effeciency.
Further, sump oil mud treatment system can also include catalyst throwing device 20.Catalyst throwing device 20 connects
It is connected on the access before depressurizing pyrolysis installation 2, for being added in the forward direction oil sludge that oil sludge enters decompression pyrolysis installation 2
Catalyst.Under the catalytic action of catalyst, the operation temperature of decompression pyrolysis installation 2 is advantageously reduced, improves reaction speed, contracting
Weakness manages the time, reduces energy consumption, improves treatment effeciency.
Optionally, catalyst throwing device 20 is connected between pretreatment unit 17 and vacuum distillation apparatus 1, in oil sludge
Into adding catalyst in the forward direction oil sludge of vacuum distillation apparatus 1.
As an example, there is storage device 18 catalyst to add mouth, the catalyst outlet of catalyst throwing device 20 with urge
Agent adds mouth connection, to add catalyst into the oil sludge for being cached in storage device 18.
Sump oil mud treatment system also optionally includes cooling storehouse 21, and the import of cooling storehouse 21 is residual with decompression pyrolysis installation 2
203 connection of slag outlet, the outlet of cooling storehouse 21, which can be, to be connect through helix transporting device 214 with discharging machine 24.Decompression pyrolysis dress
Set the residue after 2 counterweight phase component thermal decomposition process be sent into cooling storehouse 21 carry out it is cooling after, pass through helix transporting device 214
It is externally exported with discharging machine 24.
As an example, cooling storehouse 21 may include inner casing 211 and the shell 212 for being sheathed on 211 outside of inner casing, inner casing 211
Cooling medium runner 213 is formed between shell 212.Cooling medium runner 213 has the inlet and outlet of cooling medium, will be cold
But medium is sent into cooling medium runner 213, realizes the cooling of residue.
The cooling medium inlet of cooling medium runner 213 is via cooling medium circulating pump 221 and coolant liquid surge tank 222
The cooling medium outlet of cooling medium outlet connection, cooling medium runner 213 is connect with the cooling medium inlet of air cooler 223,
The cooling medium outlet of air cooler 223 is connect with the cooling medium inlet of cooling medium surge tank 222, forms following for cooling medium
Loop back path.Cooling medium can be coolant liquid, and by the way of cooling medium circulation temperature lowering, residue is cooled.
Further, sump oil mud treatment system can also include center DCS intelligence control system, be set in Central Control Room,
Entire technical process is controlled for unified adjust, and adjusts the techniques such as revolving speed, temperature, pressure, flow in real time according to the actual situation
Parameter.
Sump oil mud treatment system provided by the invention and process adopt various oil sludges applicability with higher
With closed, anoxybiotic technology, is realized well to the harmless treatment of the oil sludge in various sources and resource utilization utilization, had
The effect separation impurity such as organic matter and silt, obtained oil superior product quality and the rate of recovery is high, total hydrocarbon content in obtained residue
For 0.3wt% hereinafter, meeting stringent environmental requirement, discharge of major pollutant index meets " petroleum refining industry pollutant row
Put standard " (GB31570-2015), and technology stability and highly-safe, energy saving, reduction energy consumption.
Flash back due to additionally using fixed gas, hot wind waste heat recycling etc., improve energy utilization rate, heat recovery rate
It is 90% or more, 50% or more energy saving.
Sump oil mud treatment system provided by the invention and process are widely used in oil field, petroleum and petrochemical industry, accident greasy filth
Etc. the environmentally protective processing of various oily sludge objects.
It is illustrated the present invention below by embodiment, but these embodiments are never construed as limiting the invention.
Embodiment 1
The present embodiment uses sump oil mud treatment system shown in Fig. 2.The raw material oil sludge of the present embodiment processing comes from refinery
Three mud, after pretreatment removes the mechanical admixture of oil slick and partial size greater than 30mm, obtained oil sludge oil content 50wt% is aqueous
Rate 90wt%.
Vacuum distillation apparatus, absolute pressure 50kPa, temperature program are divided into dewatering period and distillation stage, in the temperature of dewatering period
About 80 DEG C of degree, be to be warming up to about 250 DEG C later in about 150 DEG C of heat preservation enough times and keep the temperature in the temperature program of distillation stage
Enough time then heats to about 350 DEG C and keeps the temperature enough time.
Pyrolysis installation, absolute pressure 5kPa are depressurized, temperature is 600 DEG C.
Quality based on oil sludge contained oil is calculated, and the rate of recovery of oil is 95% or more, and fixed gas yield greatly reduces,
Only 5% or so, residue obtained middle total hydrocarbon content is 0.3wt%.Heat recovery rate is 90% or more, energy-saving 50%
More than.
Comparative example 1
Using continous way sump oil mud treatment system, the pyrolysis dress of destilling tower and continous way operation including continous way operation
It sets.Handled raw material is same as Example 1.
The distillation column distillation processing of continous way operation is first passed through, absolute pressure 100kPa, temperature is 400 DEG C, right later
Heavy phase component carries out normal pressure pyrolysis processing using the pyrolysis installation of continous way operation, and temperature is 650 DEG C.
Quality based on oil sludge contained oil is calculated, and the rate of recovery of oil is about 85%, and fixed gas yield is larger, is 15% left
The right side, residue obtained middle total hydrocarbon content are 1wt%.Energy consumption is the 2 times or more of 1 energy consumption of embodiment.
The above description is merely a specific embodiment, it should be appreciated that protection scope of the present invention not office
It is limited to this, anyone skilled in the art in the technical scope disclosed by the present invention, can readily occur in various etc.
The modifications or substitutions of effect, these modifications or substitutions should be covered by the protection scope of the present invention.
Claims (20)
1. a kind of sump oil mud treatment system, which is characterized in that including vacuum distillation apparatus, the first air extractor, decompression pyrolysis dress
It sets and the second air extractor；
The vacuum distillation apparatus includes oil sludge import, gaseous phase outlet and heavy out, in the oil sludge import and heavy phase
Outlet is respectively arranged with valve, and the gaseous phase outlet connect with first air extractor, is equipped in the vacuum distillation apparatus
First mixing component；
The decompression pyrolysis installation includes feed inlet, pyrolysis gas outlet and solid discharge, in the feed inlet and solid discharge point
It is not provided with valve, the pyrolysis gas outlet is connect with second air extractor, and the feed inlet and the heavy out connect
It connects, the second mixing component is equipped in the decompression pyrolysis installation；
Wherein, intermittent reduced pressure distillation is carried out to oil sludge by the vacuum distillation apparatus to handle to obtain lightweight oil and heavy phase
Component, then intermittent reduced pressure thermal decomposition process is carried out to the heavy phase component by the decompression pyrolysis installation, obtain pyrolysis oil
Point and residue.
2. system according to claim 1, which is characterized in that it further include pretreatment unit, the pretreatment unit and institute
Oil sludge import connection is stated, removes the mechanical admixture of oil slick and/or partial size greater than 30mm for pre-processing to oil sludge.
3. system according to claim 2, which is characterized in that further include storage device, the storage device is connected to institute
It states between pretreatment unit and the vacuum distillation apparatus, for caching through the pretreated oil sludge of the pretreatment unit.
4. system according to claim 3, which is characterized in that further include extractant throwing device, be connected to the decompression
On access before distilling apparatus, for adding extractant into oil sludge；
Preferably, the extractant throwing device is connected between the pretreatment unit and the vacuum distillation apparatus.
5. system according to claim 4, which is characterized in that it further include extractant recycling can, the extractant recycling can
Import and first air extractor extractant outlet connection, outlet connect with the import of the extractant throwing device.
6. system according to claim 3, which is characterized in that further include catalyst throwing device, be connected to the decompression
On access before pyrolysis installation, for adding catalyst into oil sludge；
Preferably, the catalyst throwing device is connected between the pretreatment unit and the vacuum distillation apparatus.
7. system according to claim 1, which is characterized in that the vacuum distillation apparatus and the decompression pyrolysis installation are equal
For stirred autoclave, the stirred autoclave includes inner housing and the outer housing that is sheathed on the outside of the inner housing, the inner casing
Heat medium runner is formed between body and the outer housing.
8. system according to claim 7, which is characterized in that further include heating furnace, the hot-blast outlet of the heating furnace with
The import connection of the heat medium runner of the decompression pyrolysis installation, the outlet of the heat medium runner of the decompression pyrolysis installation
It is connect with the import of the heat medium runner of the vacuum distillation apparatus；
It preferably, further include heat recovery heat exchanger, the heat source side-entrance and the vacuum distillation of the heat recovery heat exchanger
The outlet connection of the heat medium runner of device, heat source side outlet are connect with chimney, the cold source side of the heat recovery heat exchanger
Import is communicated with the atmosphere, cold source side outlet with the heating furnace helps fuel gas inlet to connect.
9. system according to claim 7, which is characterized in that be arranged at intervals in the heat medium runner it is multiple every
The heat medium runner is divided into multiple annular compartments independent of each other by ring, and each annular compartment includes heating
The inlet and outlet of medium；
Preferably, heat absorbing sheet is provided in the annular compartment.
10. system according to claim 7, which is characterized in that horizontally disposed in the stirred autoclave to stir
Axis is mixed, stirring blade is connected on the agitating shaft, the stirring blade is configured as carrying out convection current stirring to oil sludge.
11. system according to claim 10, which is characterized in that the recombination sub-export of the stirred autoclave is located at described
The bottom of stirred autoclave is arranged at intervals with two stirring blade groups, and two institutes along the horizontal direction on the agitating shaft
State the two sides that stirring blade group is divided into the recombination sub-export；
Each stirring blade group includes the multiple stirring blades arranged in the shape of a spiral, and the stirring blade passes through connection
Part is connected to the agitating shaft and is obliquely installed relative to the agitating shaft, the paddle in each stirring blade group
The mixing surface of piece is arranged towards stirring blade group described in another；
Preferably, the recombination sub-export is located at the bottom center of the stirred autoclave.
12. system according to claim 1, which is characterized in that the gaseous phase outlet and the pyrolysis gas outlet are set respectively
It is equipped with filter, to be filtered to gas.
13. system according to claim 8, which is characterized in that first air extractor includes the first condenser and the
The import of one vacuum pump, first condenser is connect with the gaseous phase outlet, the gas vent of first condenser and institute
State the connection of the first vacuum pump；
Second air extractor includes the second condenser and the second vacuum pump, the import and the pyrolysis of second condenser
Gas outlet connection, the gas vent of second condenser are connect with first vacuum pump.
14. system according to claim 13, which is characterized in that it further include third condenser, first vacuum pump
Fixed gas outlet and the fixed gas outlet of second vacuum pump are connect with the import of the third condenser, the third condensation
The gas vent of device is connect with the fuel gas inlet of the heating furnace.
Preferably, further include fixed gas processing unit, be connected between the third condenser and the heating furnace, for not
Solidifying gas carries out purified treatment.
15. system according to claim 1, which is characterized in that further include cooling storehouse, the import of the cooling storehouse with it is described
Solid discharge connection；
The cooling storehouse includes inner casing and the shell that is sheathed on the outside of the inner casing, is formed between the inner casing and the shell cold
But medium runner.
16. system according to claim 1, which is characterized in that common valve between the heavy out and the feed inlet
Door.
17. a kind of Oil sludge treatment method, which comprises the following steps:
It is evaporated under reduced pressure processing step, oil sludge to be processed is subjected to intermittent reduced pressure distillation processing, obtains lightweight oil and heavy phase
Component；
Depressurize thermal decomposition process step, by the heavy phase component carry out intermittent reduced pressure thermal decomposition process, obtain pyrolysis oil and
Residue.
18. according to the method for claim 17, which is characterized in that the vacuum distillation processing step includes:
Dehydration carries out the oil sludge to be processed in the case where absolute pressure is 50kPa or less, temperature is 65 DEG C~150 DEG C
Vacuum distillation dehydration；
Fractionating step is 50kPa hereinafter, dewatered oil sludge is pressed default temperature program by 100 DEG C~200 in absolute pressure
DEG C 350 DEG C~400 DEG C progress vacuum fractionation processing are warming up to, obtain a variety of distillates and heavy phase component.
19. according to the method for claim 17, which is characterized in that in the decompression thermal decomposition process step, the decompression
The absolute pressure of thermal decomposition process is 5kPa or less, temperature is 400 DEG C~650 DEG C.
20. according to the method for claim 17, which is characterized in that before the vacuum distillation processing step, further includes:
Pre-treatment step pre-processes the oil sludge to be processed, and it is miscellaneous greater than the machinery of 30mm to remove oil slick and/or partial size
Matter.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398152A (en) * | 2019-08-20 | 2019-11-01 | 四川众友联合实业有限公司 | Energy-efficient melting furnace |
| CN111574006A (en) * | 2020-05-31 | 2020-08-25 | 佛山经纬纳科环境科技有限公司 | Method for recovering catalytic pyrolysis resources of oily sludge |
| CN112696684A (en) * | 2020-12-25 | 2021-04-23 | 河北风华环保科技股份有限公司 | Device and method for removing residual chlorine-containing substances in incineration materials through high negative pressure distillation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342446A (en) * | 2013-05-26 | 2013-10-09 | 哈尔滨理工大学 | Oil shale retorting oil refining system and retorted greasy filth recycling process |
| CN108101335A (en) * | 2018-01-23 | 2018-06-01 | 北京化工大学 | A kind of oily sludge continuous processing technique and processing unit |
| CN108328898A (en) * | 2017-01-18 | 2018-07-27 | 中国石油化工股份有限公司 | A kind of recycling processing method and device of oily sludge |
| CN209974594U (en) * | 2019-01-30 | 2020-01-21 | 大庆百世环保科技开发有限公司 | Dirty fatlute processing system |
-
2019
- 2019-01-30 CN CN201910091988.XA patent/CN109721221A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342446A (en) * | 2013-05-26 | 2013-10-09 | 哈尔滨理工大学 | Oil shale retorting oil refining system and retorted greasy filth recycling process |
| CN108328898A (en) * | 2017-01-18 | 2018-07-27 | 中国石油化工股份有限公司 | A kind of recycling processing method and device of oily sludge |
| CN108101335A (en) * | 2018-01-23 | 2018-06-01 | 北京化工大学 | A kind of oily sludge continuous processing technique and processing unit |
| CN209974594U (en) * | 2019-01-30 | 2020-01-21 | 大庆百世环保科技开发有限公司 | Dirty fatlute processing system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398152A (en) * | 2019-08-20 | 2019-11-01 | 四川众友联合实业有限公司 | Energy-efficient melting furnace |
| CN111574006A (en) * | 2020-05-31 | 2020-08-25 | 佛山经纬纳科环境科技有限公司 | Method for recovering catalytic pyrolysis resources of oily sludge |
| CN112696684A (en) * | 2020-12-25 | 2021-04-23 | 河北风华环保科技股份有限公司 | Device and method for removing residual chlorine-containing substances in incineration materials through high negative pressure distillation |
| CN112696684B (en) * | 2020-12-25 | 2022-11-15 | 河北风华环保科技股份有限公司 | Device and method for removing residual chlorine-containing substances in incineration materials through high negative pressure distillation |
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