CN110117140A - Microwave method oily sludge break milk separation-drying viscosity reduction-pyrolysis returning charge integral process system - Google Patents
Microwave method oily sludge break milk separation-drying viscosity reduction-pyrolysis returning charge integral process system Download PDFInfo
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- CN110117140A CN110117140A CN201910144136.2A CN201910144136A CN110117140A CN 110117140 A CN110117140 A CN 110117140A CN 201910144136 A CN201910144136 A CN 201910144136A CN 110117140 A CN110117140 A CN 110117140A
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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
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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
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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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
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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
- 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
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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
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- Wood Science & Technology (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of microwave method oily sludge break milk separation-drying viscosity reduction-pyrolysis returning charge integral process systems, and wherein break milk separation system includes microwave demulsifier, horizontal decanter greasy filth water three-phase separator etc.；Dry viscosity reduction system includes microwaves drying unit, microwave viscosity reduction unit etc.；Pyrolysis revert system includes microwave continuous pyrolysis oven, the burnt returning charge unit of pyrolysis etc..Oily sludge enters microwave demulsifying separation system, after demulsification of emulsions under microwave radiation, greasy filth water three phase separation, bottom oily sludge is through Pulp pump, it is delivered to dry viscosity reduction system, oily sludge after drying, viscosity reduction is delivered to microwave continuous pyrolysis oven by screw conveyor and is pyrolyzed, while recycling petroleum resources, the burnt coke returning charge unit that is pyrolyzed of pyrolysis participates in demulsification and pyrolytic process.The technique not only realizes high viscosity, High water cut, high oil-containing and emulsifies serious oily sludge minimizing, recycling and innoxious, and it is whole use microwave treatment, energy conservation and environmental protection, controllability are strong, are readily produced automation and industrialization promotion.
Description
Technical field
The invention belongs to microwave treatment oily sludge technical fields, specifically, being related to a kind of microwave method oily sludge demulsification
Separation-drying viscosity reduction-pyrolysis returning charge integral process system.
Background technique
Oily sludge refers mainly to during crude oil extraction, institute during the pipeline transportation of crude oil and in sewage treatment
Ground sludge, petroleum tank bed mud, oil separator bed mud and dross of floation tank of generation etc..Oily sludge complicated component, harm are tight
Weight, but value height is recycled, carrying out resource utilization to oily sludge has good environmental value and higher economy
Income.Currently, China major part oil field has entered secondary oil recovery, tertiary oil recovery development phase, water content is increasing in crude oil,
And in order to improve the recovery ratio of crude oil, emulsifier is added again in recovery process, therefore during crude oil extraction, sewage
A large amount of high viscositys, High water cut, high oil-containing are produced in treatment process and emulsify serious oily sludge, this part oily sludge
Processing difficulty is big, processing cost is high, is still difficult to realize minimizing, innoxious and recycling processing at present.
Currently, oil field at home is for high viscosity, High water cut, high oil-containing and emulsifies serious oily sludge, generally use
Method be by simple air storage, landfill disposal, after part oil field uses mechanical dehydration minimizing, then carry out landfill or
Burning disposal, these methods not only waste of resource, there is no economic benefit, and larger pollution is caused to local environment.With
Environmental regulation it is further perfect, the minimizing of oily sludge, innoxious, resource technology will become its development necessarily become
Gesture, therefore there is an urgent need to a kind of economic, efficient, clean methods to handle this part containing greasy dirt for oil field and oil refining industry
Mud.
Oil Containing Sludge Treatment mainly has physical chemistry processing technique, innoxious process for treating, biodegradable skill at present
Art, thermal treatment technology, novel process technology etc..Wherein, the pyrolytic technique in thermal treatment technology can recycle big portion in oily sludge
Point petroleum resources, the minimizing of oily sludge, innoxious, recycling may be implemented, have preferable direct economic benefit and
Social benefit.But traditional mechanical dehydration-pyrolysis group technology handles this part high viscosity, High water cut, high oil-containing and cream
When changing serious oily sludge, High water cut can be made, the water-oil emulsion of high oil-containing enters effluent treatment plant, increase wastewater treatment
Shopwork load, the oily sludge through dehydration pre-process has dehydration cost and dehydration rate to be difficult to balance again, dehydration rate is low, pyrolysis
The big problem of system energy consumption, and dewatered oily sludge viscosity is big, is difficult to continuous pyrolysis etc. in practical application at the scene asks
Topic, in view of the above problems, this patent proposes and a kind of carries out break milk separation-drying drop to this part oily sludge using microwave
The new process of viscous-pyrolysis returning charge integrated treatment, not only realizes minimizing, the nothing that serialization is carried out to this part oily sludge
The processing of evilization and recycling, and whole process uses microwave treatment, and energy conservation and environmental protection, whole economic efficiency is high, is readily produced automatic
Change and industrialization promotion.
Summary of the invention
To high viscosity, High water cut, high oil-containing and serious contain is emulsified using microwave the object of the present invention is to provide a kind of
Greasy dirt carries out break milk separation-drying viscosity reduction-pyrolysis returning charge integrated treatment new process, not only realizes oily sludge decrement
Change, innoxious and recycling processing, and whole using microwave treatment, energy conservation and environmental protection, whole economic efficiency are high, are readily produced
Automation and industrialization promotion.
A kind of microwave method oily sludge break milk separation-drying viscosity reduction provided by the invention-pyrolysis returning charge integral process system
System, it is characterised in that the system includes break milk separation system, dry viscosity reduction system, pyrolysis revert system.Wherein, break milk separation system
System includes feed pump, microwave demulsifier, horizontal decanter greasy filth water three-phase separator, waste water pump, Pulp pump, low aqueous oil tank
Deng；Dry viscosity reduction system includes microwaves drying unit, microwave viscosity reduction unit, oily sludge screw conveyor etc.；It is pyrolyzed returning charge system
System includes microwave continuous pyrolysis oven, the burnt returning charge unit of pyrolysis, pyrolysis gas condensing unit, pyrolysis oil tank, pyrolysis gas tank etc..
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: the power of microwave generator in control microwave demulsifier makes microwave demulsifier include greasy dirt
The temperature of mud is 50~70 DEG C, while improving demulsification efficiency, replaces demulsifier using microwave, alleviates between subsequent water treatment vehicle
Workload, whole economic efficiency are preferable.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: control oily sludge feed rate makes oily sludge residence time in microwave demulsifier
For 30~60min, guarantee that oily sludge has enough time to be demulsified in microwave action.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: microwave demulsifier and horizontal decanter greasy filth water three-phase separator connecting pipe are using guarantor
Adiabator package, horizontal decanter greasy filth water three-phase separator import use vane type inlet component, can mitigate oily sludge
The degree emulsified again during transportation.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: dry viscosity reduction system includes the intracorporal front half section microwaves drying unit of a furnace and later half
Duan Weibo viscosity reduction unit, furnace is interior to convey material by shaftless screw formula blade.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: the power of microwave generator in control microwaves drying unit keeps oily sludge dry in microwave
Temperature is 95~105 DEG C in dry unit.While dry oily sludge may be implemented, the volatilization of light components is reduced
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: the power of microwave generator in control microwave viscosity reduction unit drops oily sludge in microwave
Temperature is 140~160 DEG C in allonge member.The cracking of the heavy constituents such as colloid in oily sludge, asphalitine may be implemented, improve oil-containing
The mobility of sludge is conducive to the subsequent conveying of oily sludge and continuous pyrolysis.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: the power of microwave generator in control microwave continuous pyrolysis oven makes microwave continuous pyrolysis oven
The temperature of interior oily sludge is 700~1000 DEG C, realizes the recycling of petroleum resources in oily sludge.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: convey material, pyrolysis gas outlet using shaftless screw formula blade in microwave continuous pyrolysis oven
Connect pyrolysis gas condensing unit, the burnt outlet connection of pyrolysis is pyrolyzed burnt returning charge unit.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: shaftless screw formula blade rotational speed in control microwave continuous pyrolysis oven makes oily sludge micro-
Wave continuous pyrolysis residing time in furnace is 30~90min, realizes the abundant pyrolysis of oily sludge.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
A bit in embodiments, it is characterised in that: the burnt returning charge unit of pyrolysis is including being pyrolyzed coke holding vessel, the burnt conveyer of pyrolysis, being pyrolyzed burnt break
Broken machine etc..
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: pyrolysis is burnt after being delivered to the burnt broken crusher machine of pyrolysis by the burnt screw conveyor of pyrolysis,
Microwave demulsifier is delivered to, in microwave continuous pyrolysis oven with certain mixing proportion into being pyrolyzed burnt holding vessel, then with oily sludge.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: be delivered to microwave demulsifier, the pyrolysis coke in microwave continuous pyrolysis oven and oily sludge and mix
Mixed ratio is respectively as follows: 0.5~1.5wt%, 0.5~5wt%.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that the treatment process includes the following steps:
(1) oily sludge enters microwave demulsifier progress microwave demulsifying through feed pump, adjusts microwave hair in microwave demulsifier
Raw device power and oily sludge feed rate, make 50~70 DEG C of temperature in microwave demulsifier, make oily sludge in microwave demulsifying
The residence time is 30~60min in device, and the warm pipeline of oily sludge after demulsification enters horizontal decanter greasy filth water three-phase separate
From three phase separation is carried out in device, upper layer Oil Recovery to low aqueous oil tank, middle part waste water introduce refinery's water treatment vehicle by waste water pump
Between carry out subsequent processing, bottom oily sludge and enter in microwave drying viscosity reduction system through Pulp pump.
(2), oily sludge enters microwave drying viscosity reduction system by Pulp pump, successively drops by microwaves drying unit and microwave
Allonge member, adjusts microwave generator power in microwaves drying unit, makes 95~105 DEG C of temperature in microwaves drying unit, and water steams
Gas is discharged by the steam outlet of microwaves drying unit, between entering refinery's water treatment vehicle after the condensation of vapor heat exchanger, oil-containing
Sludge is delivered to microwave viscosity reduction unit after microwaves drying unit is dry, by internal shaftless screw formula blade, controls microwave viscosity reduction
Microwave generator power in unit makes 140~160 DEG C of oily sludge temperature.The revolving speed of internal shaftless screw formula blade is adjusted,
It is temporary into oily sludge holding vessel after making the sufficiently dry viscosity reduction of oily sludge, it is delivered to through oily sludge screw conveyor micro-
Wave continuous pyrolysis furnace.
(3), during transportation, the nitrogen air valve for opening microwave continuous pyrolysis oven carries out gas washing to oily sludge, when gas washing
Between be greater than 40min after, open inlet valve, adjust microwave continuous pyrolysis oven in microwave generator power, make microwave continuous pyrolysis oven
Interior oily sludge temperature is 700~1000 DEG C, adjusts internal shaftless screw formula blade rotational speed, makes oily sludge in microwave continuous heat
Solution residing time in furnace is 30~90min.
(4), the pyrolysis gas that oily sludge is pyrolyzed generation in microwave continuous pyrolysis oven enters heat through pyrolysis gas condensing unit
Oil tank and pyrolysis gas tank are solved, pyrolysis coke is pyrolyzed burnt screw conveyor and entered in the burnt destroyer of pyrolysis, broken by the burnt destroyer of pyrolysis
After broken, into being pyrolyzed, burnt holding vessel is temporary, and a part pyrolysis coke is with the oil-containing before the ratio and feed pump of 0.5~1.5wt%
Sludge blending is delivered in microwave demulsifier through feed pump and improves demulsification efficiency, a part pyrolysis Jiaozhuo is absorbing material with 0.5
The ratio of~5wt% and the oily sludge blending of continuous pyrolysis stokehold improve pyrolysis efficiency.Residue pyrolysis coke can be modified conduct
Adsorbent material, roadbed material, construction material carry out the subsequent processing such as burning.
Microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system one
In a little embodiments, it is characterised in that: the microwave-heating furnace atmosphere is nitrogen or other inert gases.
Detailed description of the invention
Fig. 1 is microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system
Schematic diagram.
It is respectively marked in figure as follows:
1- feed pump；2- microwave demulsifier；3- horizontal decanter greasy filth water three-phase separator；The low aqueous oil pump of 4-；5- is useless
Water pump；6- Pulp pump；The low aqueous oil tank of 7-；Between the refinery 8- water treatment vehicle；9- microwaves drying unit；10- vapor heat exchanger；
11- microwave viscosity reduction unit；12- oily sludge holding vessel；13- oily sludge screw conveyor；14- microwave continuous pyrolysis oven；15-
Pyrolysis gas condensing unit；16- is pyrolyzed oil tank；17- is pyrolyzed gas tank；18- is pyrolyzed burnt screw conveyor；19- is pyrolyzed burnt crusher；
20- is pyrolyzed burnt holding vessel；
Specific embodiment
Further illustrate device and method provided by the present invention with reference to the accompanying drawing, but the present invention not therefore and by
Any restrictions.
Fig. 1 is microwave method oily sludge break milk separation of the present invention-drying viscosity reduction-pyrolysis returning charge integral process system signal
Figure.
As shown in Figure 1, microwave method oily sludge break milk separation-drying viscosity reduction-pyrolysis returning charge integral process system includes
Break milk separation system, dry viscosity reduction system, pyrolysis revert system.Wherein, break milk separation system includes feed pump 1, microwave demulsifying
Device 2, horizontal decanter greasy filth water three-phase separator 3, low aqueous oil pump 4, waste water pump 5, Pulp pump 6, low aqueous oil tank 7 etc.；It is dry
Dry viscosity reduction system includes microwaves drying unit 9, vapor heat exchanger 10, microwave viscosity reduction unit 11, oily sludge holding vessel 12 etc.；
Pyrolysis system includes oily sludge screw conveyor 13, microwave continuous pyrolysis oven 14, pyrolysis gas condensing unit 15, pyrolysis oil tank
16, be pyrolyzed gas tank 17, be pyrolyzed burnt screw conveyor 18, be pyrolyzed burnt crusher 19, be pyrolyzed burnt holding vessel 20 etc..
Oily sludge enters microwave demulsifier 2 through feed pump 1 and carries out microwave demulsifying, adjusts microwave in microwave demulsifier and occurs
Device power and oily sludge feed rate make 50~70 DEG C of temperature in microwave demulsifier 2, make oily sludge in microwave demulsifier
The residence time is 30~60min in 2, and the warm pipeline of oily sludge after demulsification enters horizontal decanter greasy filth water three phase separation
Three phase separation is carried out in device 3, upper layer Oil Recovery to low aqueous oil tank 7, middle part waste water introduce refinery's water treatment vehicle by waste water pump 5
Between 8 carry out subsequent processings, bottom oily sludge through Pulp pump 6 enter microwave drying viscosity reduction system in, successively pass through microwave drying
Unit 9 and microwave viscosity reduction unit 10 adjust microwave generator power in microwaves drying unit 9, make temperature in microwaves drying unit 9
It is 95~105 DEG C, vapor is discharged by the steam outlet of microwaves drying unit, enters refinery Shui Chu through vapor heat exchanger 10
It manages workshop 8 and microwave viscosity reduction unit 11 is delivered to by internal shaftless screw formula blade after oily sludge heated by microwave is dry, control
Microwave generator power in microwave viscosity reduction unit 11 processed, makes 140~160 DEG C of oily sludge temperature.Adjust internal shaftless screw
The revolving speed of formula blade is kept in after making the sufficiently dry viscosity reduction of oily sludge into oily sludge holding vessel 12, through oily sludge spiral
Conveyer 13 is delivered to microwave continuous pyrolysis oven 14, and oily sludge during transportation, opens the nitrogen of microwave continuous pyrolysis oven
Air valve carries out gas washing, after the gas washing time is greater than 40min, opens inlet valve, adjusts microwave generator in microwave continuous pyrolysis oven 14
Power makes 700~1000 DEG C of oily sludge temperature in microwave continuous pyrolysis oven 14, adjusts internal shaftless screw formula blade and turns
Speed makes oily sludge 30~90min of residence time in microwave continuous pyrolysis oven 14, and oily sludge is in microwave continuous pyrolysis oven
The pyrolysis gas that pyrolysis generates in 14 enters pyrolysis oil tank 16 and pyrolysis gas tank 17 through pyrolysis gas condensing unit 15, and pyrolysis coke is through being pyrolyzed
Burnt screw conveyor enters in the burnt destroyer 19 of pyrolysis, and after being crushed by the burnt destroyer 19 of pyrolysis, into being pyrolyzed, burnt holding vessel 20 is temporary
It deposits, the burnt oily sludge with before the ratio of 0.5~1.5wt% and feed pump 1 of a part pyrolysis blends, and conveys through feed pump 1
Demulsification efficiency is improved in microwave demulsifier 2, a part pyrolysis Jiaozhuo is absorbing material with the ratio of 0.5~5wt% and continuous
Oily sludge blending before pyrolysis oven 14 improves pyrolysis efficiency.Residue pyrolysis coke can be modified as adsorbent material, roadbed material,
Construction material carries out the subsequent processing such as burning.
Claims (10)
1. microwave method oily sludge break milk separation-drying viscosity reduction-pyrolysis returning charge integral process system, including break milk separation system
System, dry viscosity reduction system, pyrolysis revert system.Wherein, wherein break milk separation system include feed pump, it is microwave demulsifier, horizontal
Decanter type greasy filth water three-phase separator, waste water pump, Pulp pump, low aqueous oil tank etc.；Dry viscosity reduction system includes microwave drying list
Member, microwave viscosity reduction unit, oily sludge screw conveyor etc.；Pyrolysis revert system includes microwave continuous pyrolysis oven, pyrolysis air cooling
Solidifying device, pyrolysis oil tank, pyrolysis gas tank, be pyrolyzed burnt returning charge unit etc..
2. microwave demulsifier described in accordance with the claim 1, it is characterised in that: the function of microwave generator in control microwave demulsifier
Rate and oily sludge feed rate, make oily sludge 50~70 DEG C of temperature in microwave demulsifier, and the residence time is 30~
60min。
3. dry viscosity reduction system described in accordance with the claim 1, it is characterised in that: dry viscosity reduction system includes that a furnace is intracorporal
The microwaves drying unit of front half section and the microwave viscosity reduction unit of second half section, furnace is interior to convey material by shaftless screw formula blade.
4. dry viscosity reduction system described in accordance with the claim 1, it is characterised in that: microwave generator in control microwaves drying unit
Power and microwave viscosity reduction unit in microwave generator power, make oily sludge in microwaves drying unit and microwave viscosity reduction unit
Interior temperature is 95~105 DEG C and 140~160 DEG C.
5. microwave continuous pyrolysis oven described in accordance with the claim 1, it is characterised in that: microwave hair in control microwave continuous pyrolysis oven
Shaftless screw formula blade rotational speed in the power and microwave continuous pyrolysis oven of raw device, makes oily sludge in microwave continuous pyrolysis oven
Temperature is 700~1000 DEG C, and the residence time is 30~90min.
6. microwave continuous pyrolysis oven described in accordance with the claim 1, it is characterised in that: use shaftless spiral shell in microwave continuous pyrolysis oven
Rotating blade conveying material, pyrolysis gas outlet connection pyrolysis gas condensing unit, the burnt outlet connection of pyrolysis are pyrolyzed burnt returning charge unit.
7. the burnt returning charge unit of pyrolysis described in accordance with the claim 1, it is characterised in that: being pyrolyzed burnt returning charge unit includes the burnt storage of pyrolysis
Deposit tank, be pyrolyzed burnt conveyer, be pyrolyzed burnt crusher etc..
8. the burnt returning charge unit of pyrolysis described in accordance with the claim 1, it is characterised in that: pyrolysis is burnt through by being pyrolyzed burnt helical feed
After machine is delivered to the burnt broken crusher machine of pyrolysis, it is delivered into the burnt holding vessel of pyrolysis, then with oily sludge with certain mixing proportion
In microwave demulsifier, microwave continuous pyrolysis oven.
9. the burnt returning charge unit of pyrolysis described in accordance with the claim 1, it is characterised in that: be delivered to microwave demulsifier, microwave continuous
Pyrolysis coke and oily sludge mixing proportion in pyrolysis oven are respectively as follows: 0.5~1.5wt%, 0.5~5wt%.
10. microwave method oily sludge break milk separation described in accordance with the claim 1-drying viscosity reduction-pyrolysis returning charge integral process
System, it is characterised in that the treatment process includes the following steps:
(1) oily sludge enters microwave demulsifier progress microwave demulsifying through feed pump, adjusts microwave generator in microwave demulsifier
Power and oily sludge feed rate make 50~70 DEG C of temperature in microwave demulsifier, make oily sludge in microwave demulsifier
Residence time is 30~60min, and the warm pipeline of oily sludge after demulsification enters horizontal decanter greasy filth water three-phase separator
Middle carry out three phase separation, upper layer Oil Recovery to low aqueous oil tank, middle part waste water by waste water pump introduce refinery's water treatment vehicle between into
Row subsequent processing, bottom oily sludge enter in microwave drying viscosity reduction system through Pulp pump.
(2), oily sludge enters microwave drying viscosity reduction system by Pulp pump, successively passes through microwaves drying unit and microwave viscosity reduction list
Member adjusts microwave generator power in microwaves drying unit, makes 95~105 DEG C of temperature in microwaves drying unit, vapor by
The steam outlet of microwaves drying unit is discharged, between entering refinery's water treatment vehicle after the condensation of vapor heat exchanger, oily sludge
After microwaves drying unit is dry, microwave viscosity reduction unit is delivered to by internal shaftless screw formula blade, controls microwave viscosity reduction unit
Interior microwave generator power makes 140~160 DEG C of oily sludge temperature.The revolving speed for adjusting internal shaftless screw formula blade, makes to contain
It is temporary into oily sludge holding vessel after the sufficiently dry viscosity reduction of greasy dirt, microwave, which is delivered to, through oily sludge screw conveyor connects
Continuous pyrolysis oven.
(3), during transportation, the nitrogen air valve for opening microwave continuous pyrolysis oven carries out gas washing to oily sludge, and the gas washing time is big
After 40min, inlet valve is opened, microwave generator power in microwave continuous pyrolysis oven is adjusted, includes microwave continuous pyrolysis oven
Greasy dirt temperature is 700~1000 DEG C, adjusts internal shaftless screw formula blade rotational speed, makes oily sludge in microwave continuous pyrolysis oven
The interior residence time is 30~90min.
(4), the pyrolysis gas that oily sludge is pyrolyzed generation in microwave continuous pyrolysis oven enters pyrolysis oil through pyrolysis gas condensing unit
Tank and pyrolysis gas tank, pyrolysis coke is pyrolyzed coke screw conveyor and is entered in the burnt destroyer of pyrolysis, after being crushed by the burnt destroyer of pyrolysis,
Into being pyrolyzed, burnt holding vessel is temporary, and a part pyrolysis coke is mixed with the oily sludge before the ratio and feed pump of 0.5~1.5wt%
It is mixed, be delivered in microwave demulsifier through feed pump and improve demulsification efficiency, a part pyrolysis Jiaozhuo be absorbing material with 0.5~
The ratio of 5wt% and the oily sludge blending of continuous pyrolysis stokehold improve pyrolysis efficiency.Residue pyrolysis coke can be modified as suction
Enclosure material, roadbed material, construction material carry out the subsequent processing such as burning.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860695A (en) * | 2021-10-27 | 2021-12-31 | 北京新风航天装备有限公司 | Harmless treatment method for oil stain solid waste |
| CN114702219A (en) * | 2022-04-02 | 2022-07-05 | 国能龙源环保有限公司 | Treatment system and treatment method for oily sludge |
| CN115432893A (en) * | 2021-06-03 | 2022-12-06 | 陕西青朗万城环保科技有限公司 | Treatment process of greasy dirt |
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| CN115432893A (en) * | 2021-06-03 | 2022-12-06 | 陕西青朗万城环保科技有限公司 | Treatment process of greasy dirt |
| CN113860695A (en) * | 2021-10-27 | 2021-12-31 | 北京新风航天装备有限公司 | Harmless treatment method for oil stain solid waste |
| CN114702219A (en) * | 2022-04-02 | 2022-07-05 | 国能龙源环保有限公司 | Treatment system and treatment method for oily sludge |
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