CN104059765A - Waste lubricating oil reclaiming system - Google Patents
Waste lubricating oil reclaiming system Download PDFInfo
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- CN104059765A CN104059765A CN201410277202.0A CN201410277202A CN104059765A CN 104059765 A CN104059765 A CN 104059765A CN 201410277202 A CN201410277202 A CN 201410277202A CN 104059765 A CN104059765 A CN 104059765A
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Abstract
The invention relates to a waste lubricating oil reclaiming system which comprises a waste liquid conveying pipeline, a primary filtering device, a settling device, a plate-to-frame filter machine, a flocculation device, a rectification device, a molecular distillation device and a membrane filter device, wherein the primary filter device is provided with a 150-mesh wire mesh, the liquid outlet end of the waste liquid conveying pipeline is communicated with the liquid inlet end of the primary filter device, the liquid outlet end of the primary filtering device is communicated with the liquid inlet end of the settling device, the liquid outlet end of the settling device is communicated with the liquid inlet end of the plate-to-frame filter machine, the liquid outlet end of the plate-to-frame filter machine is communicated with the liquid inlet end of the flocculation device, the liquid outlet end of the flocculation device is communicated with the liquid inlet end of the rectification device, the liquid outlet end of the rectification device is communicated with the liquid inlet end of the molecular distillation device, and the liquid outlet end of the molecular distillation device is communicated with the liquid inlet end of the membrane filter device. The waste lubricating oil reclaiming system is applied to a waste lubricating oil reclaiming process, is small in investment scale and low in operation cost, can provide high-quality reclaimed base oil and has high recovering rate of the reclaimed base oil.
Description
Technical field
The present invention relates to petroleum chemical industry field, particularly relate to a kind of waste lubricant oil regeneration recovery system.
Background technology
At petrochemical industry, the develop rapidly of economic technology both at home and abroad at any time, is also enhanced for the performance requriements of lube product; And in the harmonic process of lubricating oil, often need to add one or more additives to improve the specified property of lubricating oil, and the object being then in harmonious proportion or in order to improve kind and the quality of lubricating oil, thus the final required lubricating oil of client obtained.
At present, in process for regeneration of waste lubricating oil, all need to add a large amount of carclazytes and hydrofining both at home and abroad; Can produce " secondary pollution " materials such as acid sludge, sulfurous gas, contaminate environment, deals with trouble; Cause cost of investment high, and the oil production bearing is again low.
The Chinese invention patent that for example application number is 201310207519.2 " a kind of method for regenerating waste lubricating oil ", discloses a kind of method for regenerating waste lubricating oil, mainly comprises the following steps: waste lubricating oil is put into slurry tank and carry out simple separation; Get upper strata oil mixture, add Mixer pot, heating flocculation; Mixture after flocculation is proceeded to air distillation column distillation, through flashing tower, decompression evaporator, distill, then enter rectifying tower and carry out rectifying; By rectifying lubricating oil clay treatment out, filter, obtain base oil.But the deficiency of this patent is, need to add a large amount of carclazytes and hydrofining; Can produce " secondary pollution " materials such as acid sludge, sulfurous gas, contaminate environment, deals with trouble; Cause cost of investment high, and the oil production bearing is again low.
Summary of the invention
The object of the invention is to overcome the problems referred to above that prior art exists, propose a kind of waste lubricant oil regeneration recovery system.The present invention is applied in process for regeneration of waste lubricating oil, compared with prior art has that scale of investment is little, running cost is low, the advantages such as good product quality of Reclaimed Base Oil, and the Reclaimed Base Oil rate of recovery is high.
The present invention realizes by the following technical solutions:
Waste lubricant oil regeneration recovery system, comprise waste liquid transport pipe, filtration unit for the first time, sedimentation device, flame filter press, flocculation plant, rectifier unit, molecular distillation apparatus and membrane filter appts, it is characterized in that: described filtration unit is for the first time provided with 150 object wire cloths, the outlet end of described waste liquid transport pipe is communicated with the liquid feeding end of filtration unit for the first time, the outlet end of described filtration unit is for the first time communicated with the liquid feeding end of sedimentation device, the outlet end of sedimentation device is communicated with the liquid feeding end of flame filter press, the outlet end of flame filter press is communicated with the liquid feeding end of flocculation plant, the outlet end of flocculation plant is communicated with the liquid feeding end of rectifier unit, the outlet end of rectifier unit is communicated with the liquid feeding end of molecular distillation apparatus, the outlet end of molecular distillation apparatus is communicated with the liquid feeding end of membrane filter appts.
Also comprise base oil storage tank, the outlet end of described membrane filter appts is communicated with the liquid feeding end of base oil storage tank.
In described membrane filter appts, hollow-fibre membrane is housed, the material of described hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.01-0.5 μ m, and the external diameter of hollow-fibre membrane is 0.5-2.0mm, and the internal diameter of hollow-fibre membrane is 0.3-1.4mm; Express can hold back the molecular weight of material in aperture, and molecular weight cut-off can reach several thousand to hundreds of thousands of, and Reclaimed Base Oil rate is high.
Compared with prior art, its advantage is in the present invention:
1, the present invention is applied in process for regeneration of waste lubricating oil, compared with prior art has that scale of investment is little, running cost is low, the advantages such as good product quality of Reclaimed Base Oil, Reclaimed Base Oil rate of recovery > 90%.
2, the present invention is applied to also have the advantages such as the rate of recovery is high, nothing " secondary pollution " in process for regeneration of waste lubricating oil, save energy, environmental protection simultaneously, and regeneration efficiency is high, safety.
3, the present invention adopts filtration unit to be for the first time provided with 150 object wire cloths, adopts 150 object wire cloths to filter for the first time waste lubricating oil, removes the great machinery impurity in waste lubricating oil; Described flame filter press is physical filtering, and flame filter press filters out a certain size large granular impurity and the suspended substance in waste lubricating oil; Adopt twice filtration the impurity in waste lubricating oil effectively can be removed, guarantee the quality of rerefined oil base oil.
4, the present invention adopts in described membrane filter appts hollow-fibre membrane is housed, and the material of described hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.01-0.5 μ m, and the external diameter of hollow-fibre membrane is 0.5-2.0mm, and the internal diameter of hollow-fibre membrane is 0.3-1.4mm; Express can hold back the molecular weight of material in aperture, and molecular weight cut-off can reach several thousand to hundreds of thousands of, and Reclaimed Base Oil rate is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Reference numeral: 1, waste liquid transport pipe, 2, filtration unit for the first time, 3, sedimentation device, 4, flame filter press, 5, flocculation plant, 6, rectifier unit, 7, molecular distillation apparatus, 8, membrane filter appts, 9, base oil storage tank.
Embodiment
Below the present invention is further detailed:
Embodiment 1:
Waste lubricant oil regeneration recovery system, comprise waste liquid transport pipe 1, filtration unit 2 for the first time, sedimentation device 3, flame filter press 4, flocculation plant 5, rectifier unit 6, molecular distillation apparatus 7 and membrane filter appts 8, described filtration unit for the first time 2 is provided with 150 object wire cloths, the outlet end of described waste liquid transport pipe 1 is communicated with the liquid feeding end of filtration unit 2 for the first time, the outlet end of described filtration unit for the first time 2 is communicated with the liquid feeding end of sedimentation device 3, the outlet end of sedimentation device 3 is communicated with the liquid feeding end of flame filter press 4, the outlet end of flame filter press 4 is communicated with the liquid feeding end of flocculation plant 5, the outlet end of flocculation plant 5 is communicated with the liquid feeding end of rectifier unit 6, the outlet end of rectifier unit 6 is communicated with the liquid feeding end of molecular distillation apparatus 7, the outlet end of molecular distillation apparatus 7 is communicated with the liquid feeding end of membrane filter appts 8.
In the present invention, in described membrane filter appts 8, hollow-fibre membrane is housed, the material of described hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.01 μ m, and the external diameter of hollow-fibre membrane is 0.5mm, and the internal diameter of hollow-fibre membrane is 0.3mm.
Embodiment 2:
Waste lubricant oil regeneration recovery system, comprise waste liquid transport pipe 1, filtration unit 2 for the first time, sedimentation device 3, flame filter press 4, flocculation plant 5, rectifier unit 6, molecular distillation apparatus 7 and membrane filter appts 8, described filtration unit for the first time 2 is provided with 150 object wire cloths, the outlet end of described waste liquid transport pipe 1 is communicated with the liquid feeding end of filtration unit 2 for the first time, the outlet end of described filtration unit for the first time 2 is communicated with the liquid feeding end of sedimentation device 3, the outlet end of sedimentation device 3 is communicated with the liquid feeding end of flame filter press 4, the outlet end of flame filter press 4 is communicated with the liquid feeding end of flocculation plant 5, the outlet end of flocculation plant 5 is communicated with the liquid feeding end of rectifier unit 6, the outlet end of rectifier unit 6 is communicated with the liquid feeding end of molecular distillation apparatus 7, the outlet end of molecular distillation apparatus 7 is communicated with the liquid feeding end of membrane filter appts 8.
Also comprise base oil storage tank 9, the outlet end of described membrane filter appts 8 is communicated with the liquid feeding end of base oil storage tank 9.
In the present invention, in described membrane filter appts 8, hollow-fibre membrane is housed, the material of described hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.2 μ m, and the external diameter of hollow-fibre membrane is 1mm, and the internal diameter of hollow-fibre membrane is 1mm.
The present invention in use, can utilize base oil storage tank 9 that the base oil of regeneration is stored, easy to use.
Embodiment 3:
Waste lubricant oil regeneration recovery system, comprise waste liquid transport pipe 1, filtration unit 2 for the first time, sedimentation device 3, flame filter press 4, flocculation plant 5, rectifier unit 6, molecular distillation apparatus 7 and membrane filter appts 8, described filtration unit for the first time 2 is provided with 150 object wire cloths, the outlet end of described waste liquid transport pipe 1 is communicated with the liquid feeding end of filtration unit 2 for the first time, the outlet end of described filtration unit for the first time 2 is communicated with the liquid feeding end of sedimentation device 3, the outlet end of sedimentation device 3 is communicated with the liquid feeding end of flame filter press 4, the outlet end of flame filter press 4 is communicated with the liquid feeding end of flocculation plant 5, the outlet end of flocculation plant 5 is communicated with the liquid feeding end of rectifier unit 6, the outlet end of rectifier unit 6 is communicated with the liquid feeding end of molecular distillation apparatus 7, the outlet end of molecular distillation apparatus 7 is communicated with the liquid feeding end of membrane filter appts 8.
Also comprise base oil storage tank 9, the outlet end of described membrane filter appts 8 is communicated with the liquid feeding end of base oil storage tank 9.
In the present invention, in described membrane filter appts 8, hollow-fibre membrane is housed, the external diameter of hollow-fibre membrane is 2.0mm, and the internal diameter of hollow-fibre membrane is 1.4mm.
Embodiment 4:
The present invention is applied in the process for regeneration of waste lubricating oil that applicant applies for simultaneously:
Process for regeneration of waste lubricating oil, comprises the following steps successively: wire cloth filtration, sedimentation, Plate Filtration, flocculation, rectifying, molecular distillation and membrane filtration;
Described wire cloth is filtered into and adopts 150 object wire cloths to filter for the first time waste lubricating oil, removes the great machinery impurity in waste lubricating oil;
Described sedimentation is carried out sedimentation for the waste lubricating oil that removes great machinery impurity is put into slurry tank, and the settling time is 20 hours, and settling temperature is 90 ℃;
Described Plate Filtration is that the waste lubricating oil upper strata oil mixture of getting sedimentation is put into flame filter press and filtered for the second time, obtains treatment solution;
Described flocculation is that in heat-processed, treatment solution adds organic floculant after rising to 80 ℃, and stirs by treatment solution heating, and finally controlling temperature is 150 ℃, and be 40 minutes heat-up time, and whole heat-processed passes into nitrogen as shielding gas;
Described rectifying for the treatment solution after flocculation is carried out successively degassed, dry after, proceed to and in rectifying tower, carry out rectifying;
Described molecular distillation is that the lubricating oil that rectifying is gone out carries out multiple-grade molecular distillation again;
Described membrane filtration for after the lubricating oil after molecular distillation is heated through tubular fibre membrane filtration, by cooling, obtain base oil.
In the present invention, in described flocculation step, organic floculant add-on is for processing 8% of liquid measure, 100 ℃ of the temperature of reaction of organic floculant, the 30 minutes reaction times of organic floculant, 200 revs/min of stirring velocitys.
In the present invention, described organic floculant is Poly Dimethyl Diallyl Ammonium Chloride, oxyethane, propylene, thanomin and ethylenediamine copolymer.
In the present invention, described molecular distillation is at least three grades, and it is 150 ℃ that the temperature of the first step is controlled, and it is 120 ℃ that the temperature of residue progression is controlled.
In the present invention, in described PP strainer, the aperture of micropore filtering film is 0.22 micron.
In the present invention, described flame filter press physical filtering, flame filter press filters out a certain size large granular impurity and the suspended substance in waste lubricating oil.
The material of described hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.5 μ m, and the external diameter of hollow-fibre membrane is 2.0mm, and the internal diameter of hollow-fibre membrane is 1.4mm.
Adopt recovery system of the present invention, the Reclaimed Base Oil rate of recovery is 90.26%, and the scope of base oil is 100SN.
The present invention adopts described flocculation for treatment solution is heated, and in heat-processed, treatment solution adds organic floculant after rising to 80 ℃, and stir, final control temperature is 150 ℃, and be 30-40 minute heat-up time, and whole heat-processed passes into nitrogen as shielding gas; Organic floculant add-on is for processing the 5%-10% of liquid measure, 80 ℃-150 ℃ of the temperature of reaction of organic floculant, the 30 minutes reaction times of organic floculant, 200 revs/min of stirring velocitys; Under this composite regenerated condition, the waste oil after manipulation of regeneration has reached the standard of this rank fresh oil substantially, and the Reclaimed Base Oil rate of recovery can arrive 92.88%.
The invention is not restricted to above-described embodiment, other embodiment that technical scheme according to the present invention obtains all should fall within the scope of protection of the present invention.
Claims (5)
1. waste lubricant oil regeneration recovery system, comprise waste liquid transport pipe (1), filtration unit (2) for the first time, sedimentation device (3), flame filter press (4), flocculation plant (5), rectifier unit (6), molecular distillation apparatus (7) and membrane filter appts (8), it is characterized in that: described filtration unit for the first time (2) is provided with 150 object wire cloths, the outlet end of described waste liquid transport pipe (1) is communicated with the liquid feeding end of filtration unit (2) for the first time, the outlet end of described filtration unit for the first time (2) is communicated with the liquid feeding end of sedimentation device (3), the outlet end of sedimentation device (3) is communicated with the liquid feeding end of flame filter press (4), the outlet end of flame filter press (4) is communicated with the liquid feeding end of flocculation plant (5), the outlet end of flocculation plant (5) is communicated with the liquid feeding end of rectifier unit (6), the outlet end of rectifier unit (6) is communicated with the liquid feeding end of molecular distillation apparatus (7), the outlet end of molecular distillation apparatus (7) is communicated with the liquid feeding end of membrane filter appts (8).
2. waste lubricant oil regeneration recovery system according to claim 1, is characterized in that: also comprise base oil storage tank (9), the outlet end of described membrane filter appts (8) is communicated with the liquid feeding end of base oil storage tank (9).
3. waste lubricant oil regeneration recovery system according to claim 1 and 2, is characterized in that: described membrane filter appts is equipped with hollow-fibre membrane in (8).
4. waste lubricant oil regeneration recovery system according to claim 3, it is characterized in that: the material of described hollow-fibre membrane is tetrafluoroethylene, aperture is 0.01-0.5 μ m, and the external diameter of hollow-fibre membrane is 0.5-2.0mm, and the internal diameter of hollow-fibre membrane is 0.3-1.4mm.
5. waste lubricant oil regeneration recovery system according to claim 1, it is characterized in that: described waste lubricant oil regeneration recovery system adopts process for regeneration of waste lubricating oil, and process for regeneration of waste lubricating oil comprises the following steps successively: wire cloth filtration, sedimentation, Plate Filtration, flocculation, rectifying, molecular distillation and membrane filtration;
Described wire cloth is filtered into and adopts 150 object wire cloths to filter for the first time waste lubricating oil, removes the great machinery impurity in waste lubricating oil;
Described sedimentation is carried out sedimentation for the waste lubricating oil that removes great machinery impurity is put into slurry tank, and the settling time is 20 hours, and settling temperature is 90 ℃;
Described Plate Filtration is that the waste lubricating oil upper strata oil mixture of getting sedimentation is put into flame filter press and filtered for the second time, obtains treatment solution;
Described flocculation is that in heat-processed, treatment solution adds organic floculant after rising to 80 ℃, and stirs by treatment solution heating, and finally controlling temperature is 150 ℃, and be 40 minutes heat-up time, and whole heat-processed passes into nitrogen as shielding gas;
Described rectifying for the treatment solution after flocculation is carried out successively degassed, dry after, proceed to and in rectifying tower, carry out rectifying;
Described molecular distillation is that the lubricating oil that rectifying is gone out carries out multiple-grade molecular distillation again;
Described membrane filtration for after the lubricating oil after molecular distillation is heated through tubular fibre membrane filtration, by cooling, obtain base oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277202.0A CN104059765A (en) | 2014-06-20 | 2014-06-20 | Waste lubricating oil reclaiming system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410277202.0A CN104059765A (en) | 2014-06-20 | 2014-06-20 | Waste lubricating oil reclaiming system |
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| CN104059765A true CN104059765A (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410277202.0A Pending CN104059765A (en) | 2014-06-20 | 2014-06-20 | Waste lubricating oil reclaiming system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396366A (en) * | 2015-12-14 | 2016-03-16 | 上海奥达科股份有限公司 | Waste oil recovery device |
| CN108998083A (en) * | 2018-08-14 | 2018-12-14 | 华侨大学 | A kind of waste diesel regeneration method |
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| CN103045342A (en) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | Waste lubricating oil pretreatment method |
| CN103589499A (en) * | 2013-11-19 | 2014-02-19 | 四川省德阳昌盛至轩石油化工厂 | Regeneration technology for molecular distillation treatment of spent lubrication oil |
| CN203947092U (en) * | 2014-06-20 | 2014-11-19 | 中材高新成都能源技术有限公司 | Waste lubricant oil regeneration recovery system |
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2014
- 2014-06-20 CN CN201410277202.0A patent/CN104059765A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103045342A (en) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | Waste lubricating oil pretreatment method |
| CN103589499A (en) * | 2013-11-19 | 2014-02-19 | 四川省德阳昌盛至轩石油化工厂 | Regeneration technology for molecular distillation treatment of spent lubrication oil |
| CN203947092U (en) * | 2014-06-20 | 2014-11-19 | 中材高新成都能源技术有限公司 | Waste lubricant oil regeneration recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396366A (en) * | 2015-12-14 | 2016-03-16 | 上海奥达科股份有限公司 | Waste oil recovery device |
| CN108998083A (en) * | 2018-08-14 | 2018-12-14 | 华侨大学 | A kind of waste diesel regeneration method |
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Application publication date: 20140924 |