CN107353996A - Waste lubricant oil regeneration utilization process and its process units - Google Patents
Waste lubricant oil regeneration utilization process and its process units Download PDFInfo
- Publication number
- CN107353996A CN107353996A CN201710649250.1A CN201710649250A CN107353996A CN 107353996 A CN107353996 A CN 107353996A CN 201710649250 A CN201710649250 A CN 201710649250A CN 107353996 A CN107353996 A CN 107353996A
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- Prior art keywords
- tank
- flocculation
- oil
- hydrofinishing
- alkalization
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0083—Lubricating greases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0008—Working-up used lubricants to recover useful products ; Cleaning with the use of adsorbentia
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
- C10M175/0033—Working-up used lubricants to recover useful products ; Cleaning by thermal processes using distillation processes; devices therefor
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
- C10M175/0041—Working-up used lubricants to recover useful products ; Cleaning by thermal processes by hydrogenation processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/06—Working-up used lubricants to recover useful products ; Cleaning by ultrafiltration or osmosis
Abstract
The invention discloses a kind of waste lubricant oil regeneration utilization process and its process units, technique includes the steps such as plate-frame filtering, alkalization, sedimentation, flocculation, distillation, hydrofinishing and bleaching earth adsorption filtering；Its process units includes flame filter press, alkalization tank, settling tank, flocculation tank, atmospheric distillation tower, flash column, rectifying column, hydrofinishing tank, heating stirring groove and the film filter being sequentially connected；The advantage of the invention is that：Simple production process, Electromagnetic Heating energy consumption is low, without noxious gas emission, pollution-free, environmentally friendly, and product purity is high, and easy to use, cost is low, and yield is high, improves operating efficiency, enhances product quality.
Description
Technical field
The present invention relates to a kind of process for regeneration of waste lubricating oil, specifically a kind of waste lubricant oil regeneration utilization process
And its process units, belong to waste lubricant oil regeneration field.
Background technology
The machinery of most types will use lubricating oil, and this is due to that lubricating oil can reduce rubbing between machinery or between part
Power is wiped, with the surface of protection machinery or part, reduces and wears, the service life of prolonged mechanical.Lubricating oil is Petroleum refining basis
Oily doping is simultaneously refining to obtain, and its yield accounts for 2% or so of oil product total amount.Due to the use of different type machinery
Environmental difference is larger, therefore lubricating oil easily goes bad as useless profit in various complex environments because occurring physically or chemically to change
Lubricating oil.
Processing for waste lubricating oil, it will be used mostly after waste lubricant oil regeneration both at home and abroad at present, its process is：Useless lubrication
Oil reduces its water content after settling, filter, adsorbing and remove most of impurity, then through dehydration, then by treated useless lubrication
Oily hydrofinishing is to remove the oxide in waste oil, sulfur-containing compound, halogen compounds, nitride and heavy metal compound etc.
Material, workable reclaimed oil is most obtained after blending afterwards.But above-mentioned regeneration technology can not thoroughly remove waste lubricating oil
Impurity, reclaimed oil still contains some impurity, and the presence of these impurity reduces the quality of reclaimed oil；It is further, useless
Lubricating oil regeneration process is complicated, and energy consumption is very high, and easily environment is polluted；In addition, the oil product finally given needs extra add
Reclaimed oil could be used as to use after entering the blending of other materials, this make it that process for regeneration of waste lubricating oil is increasingly complex, and cost
It is higher, it is unfavorable for promoting the use of.
The content of the invention
In order to solve the above problems, the present invention devises a kind of waste lubricant oil regeneration utilization process and its production dress
Put, simple production process, Electromagnetic Heating energy consumption is low, without noxious gas emission, pollution-free, environmentally friendly, and product purity is high, user
Just, cost is low, and yield is high, improves operating efficiency, enhances product quality.
The technical scheme is that：
Waste lubricant oil regeneration utilization process, comprises the following steps：
（1）Plate-frame filtering：Waste lubricating oil is put into progress first time filtering in flame filter press；Flame filter press filters out useless profit
A certain size large granular impurity and suspension in lubricating oil；
（2）Alkalization：Waste lubricating oil weight 3.0-5.0% alkali compounds is added in the tank that alkalizes, in room temperature to 100 DEG C of bars
40-60 minutes are stirred under part；
（3）Sedimentation：The waste lubricating oil of alkalization is put into settling tank and settled, the sedimentation time is 18-20 hours, sedimentation temperature
Spend for 80-90 DEG C；
（4）Flocculation：The upper strata oil mixture after sedimentation is taken, flocculation tank is added, is heated to 140-160 DEG C, temperature rises to 50-
Add organic flocculant at 60 DEG C to be flocculated, flocculated pressure 0.8-1.2MPa, and time 0.8-1.2h, whole heating process is led to
Enter nitrogen as protective gas；
Wherein, the organic flocculant be selected from oxirane, propylene and ethylenediamine copolymer or oxyethylene sulfate ester, isopropylamine,
One or more in diethylenetriamines, alkyl quaternary ammonium salt, ring polyamide.
（5）Distillation：Mixture after flocculation is transferred to atmospheric distillation tower, 110 DEG C~150 DEG C of temperature control is steamed
Evaporate, by flash column, part oil gas is directly entered rectifying column and carries out rectifying, and remaining is distilled into decompression evaporator, separation
After going out the dregs of fat, the oil gas distilled out enters back into rectifying column progress rectifying；
（6）Hydrofinishing：Various lube oil base stocks through distilling out respectively enter hydrofinishing tank, are urged in hydrogenation catalyst
Reacted under change, its prevailing operating conditions is：165 DEG C of temperature, hydrogen dividing potential drop 1.5MPa, hydrogen-oil ratio 40m3/m3, air speed 2.0
h-1, thus remove trace impurity and the decolouring in oil product；
Wherein, described Hydrobon catalyst is catalyzed for the hydrofinishing of the type such as iron-Molybdenum catalyst or Cobalt-Molybdenum catalyst
Agent.
（7）Bleaching earth adsorption filters：The fluid of hydrofinishing is squeezed into heating stirring groove with oil pump, added according to fluid color
After entering to account for oil plant gross mass 5-8% carclazyte, be sufficiently stirred and be heated to 80 DEG C, after obtain product after film filter filters.
A kind of process units for above-mentioned waste lubricant oil regeneration utilization process, including the plate-frame filtering being sequentially connected
Machine, alkalization tank, settling tank, flocculation tank, atmospheric distillation tower, flash column, rectifying column, hydrofinishing tank, heating stirring groove and film mistake
Filter.
The alkalization tank is provided with plus alkali mouth and alkalization agitating paddle, adds alkali mouth to be used to add alkali compounds at any time, alkalization is stirred
Mix oar be used for pair plus alkali after material be stirred, make material mixing it is more uniform, alkalization it is more thorough；
The bottom of the settling tank is provided with slag-drip opening, and side wall is provided with oil-out, and the waste residue after sedimentation is discharged by slag-drip opening, after sedimentation
Upper strata oil mixture discharged by oil-out；
The flocculation tank is provided with flocculation heater and flocculation temperature sensor, the flocculation temperature sensor by controller with
The flocculation heater control is connected, and flocculation heating dress is controlled according to the detection temperature of flocculation temperature sensor by controller
The heating work put, keep the temperature in suitable scope；The flocculation tank is additionally provided with nitrogen inlet and nitrogen outlet, Xiang Xu
Nitrogen is passed through in solidifying tank, makes whole heating process with nitrogen as protective gas.
A bypass is additionally provided between described flash column and rectifying column, the bypass is provided with decompression evaporator, passed through
The part oil gas of flash column is directly entered rectifying column and carries out rectifying, and remaining is distilled into decompression evaporator, isolates the dregs of fat
Afterwards, the oil gas distilled out enters back into rectifying column and carries out rectifying.Described atmospheric distillation tower, flash column, decompression evaporator and rectifying
Tower is conventional structure, is repeated no more.
The hydrofinishing tank is provided with refined heater and extraction temperature sensor, the extraction temperature sensor and passed through
Controller is connected with the refined heater control, and essence is controlled according to the detection temperature of extraction temperature sensor by controller
The heating work of refrigerating/heating apparatus, keep the temperature in suitable scope.
The carclazyte adding mouth for being used for adding carclazyte is provided with the heating stirring groove.
The film filter is provided with hollow-fibre membrane, and the material of the hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is
0.3-0.5 μm, the external diameter of hollow-fibre membrane is 1.5-2.0mm, and the internal diameter of hollow-fibre membrane is 1.3-1.5mm.
The advantage of the invention is that：Simple production process, Electromagnetic Heating energy consumption is low, without noxious gas emission, pollution-free, ring
Protect, product purity is high, and easy to use, cost is low, and yield is high, improves operating efficiency, enhances product quality.
With reference to embodiment, the invention will be further described.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Unless otherwise indicated, the percentage employed in the present invention is percetage by weight.
Embodiment 1
Waste lubricant oil regeneration utilization process, comprises the following steps：
（1）Plate-frame filtering：Waste lubricating oil is put into progress first time filtering in flame filter press；Flame filter press filters out useless profit
A certain size large granular impurity and suspension in lubricating oil；
（2）Alkalization：The alkali compounds of waste lubricating oil weight 4.0% is added in the tank that alkalizes, in room temperature under the conditions of 100 DEG C
Stirring 50 minutes；
（3）Sedimentation：The waste lubricating oil of alkalization is put into settling tank and settled, the sedimentation time is 20 hours, and settling temperature is
85℃；
（4）Flocculation：The upper strata oil mixture after sedimentation is taken, flocculation tank is added, is heated to 150 DEG C, temperature adds when rising to 55 DEG C
Enter organic flocculant to be flocculated, flocculate pressure 1MPa, and time 1h, whole heating process is passed through nitrogen as protective gas；
Wherein, the organic flocculant be selected from oxirane, propylene and ethylenediamine copolymer or oxyethylene sulfate ester, isopropylamine,
One or more in diethylenetriamines, alkyl quaternary ammonium salt, ring polyamide.
（5）Distillation：Mixture after flocculation is transferred to atmospheric distillation tower, 110 DEG C~150 DEG C of temperature control is steamed
Evaporate, by flash column, part oil gas is directly entered rectifying column and carries out rectifying, and remaining is distilled into decompression evaporator, separation
After going out the dregs of fat, the oil gas distilled out enters back into rectifying column progress rectifying；
（6）Hydrofinishing：Various lube oil base stocks through distilling out respectively enter hydrofinishing tank, are urged in hydrogenation catalyst
Reacted under change, its prevailing operating conditions is：165 DEG C of temperature, hydrogen dividing potential drop 1.5MPa, hydrogen-oil ratio 40m3/m3, air speed 2.0
h-1, thus remove trace impurity and the decolouring in oil product；
Wherein, described Hydrobon catalyst is catalyzed for the hydrofinishing of the type such as iron-Molybdenum catalyst or Cobalt-Molybdenum catalyst
Agent.
（7）Bleaching earth adsorption filters：The fluid of hydrofinishing is squeezed into heating stirring groove with oil pump, added according to fluid color
After entering to account for oil plant gross mass 5-8% carclazyte, be sufficiently stirred and be heated to 80 DEG C, after obtain product after film filter filters.
A kind of process units for above-mentioned waste lubricant oil regeneration utilization process, including the plate-frame filtering being sequentially connected
Machine, alkalization tank, settling tank, flocculation tank, atmospheric distillation tower, flash column, rectifying column, hydrofinishing tank, heating stirring groove and film mistake
Filter；
The alkalization tank is provided with plus alkali mouth and alkalization agitating paddle, adds alkali mouth to be used to add alkali compounds at any time, alkalize agitating paddle
Add the material after alkali to be stirred for pair, make material mixing more uniform, alkalize more thorough；
The bottom of the settling tank is provided with slag-drip opening, and side wall is provided with oil-out, and the waste residue after sedimentation is discharged by slag-drip opening, after sedimentation
Upper strata oil mixture discharged by oil-out；
The flocculation tank is provided with flocculation heater and flocculation temperature sensor, the flocculation temperature sensor by controller with
The flocculation heater control is connected, and flocculation heating dress is controlled according to the detection temperature of flocculation temperature sensor by controller
The heating work put, keep the temperature in suitable scope；The flocculation tank is additionally provided with nitrogen inlet and nitrogen outlet, Xiang Xu
Nitrogen is passed through in solidifying tank, makes whole heating process with nitrogen as protective gas.
A bypass is additionally provided between described flash column and rectifying column, the bypass is provided with decompression evaporator, passed through
The part oil gas of flash column is directly entered rectifying column and carries out rectifying, and remaining is distilled into decompression evaporator, isolates the dregs of fat
Afterwards, the oil gas distilled out enters back into rectifying column and carries out rectifying.Described atmospheric distillation tower, flash column, decompression evaporator and rectifying
Tower is conventional structure, is repeated no more.
The hydrofinishing tank is provided with refined heater and extraction temperature sensor, the extraction temperature sensor and passed through
Controller is connected with the refined heater control, and essence is controlled according to the detection temperature of extraction temperature sensor by controller
The heating work of refrigerating/heating apparatus, keep the temperature in suitable scope.
The carclazyte adding mouth for being used for adding carclazyte is provided with the heating stirring groove.
The film filter is provided with hollow-fibre membrane, and the material of the hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is
0.3-0.5 μm, the external diameter of hollow-fibre membrane is 1.5-2.0mm, and the internal diameter of hollow-fibre membrane is 1.3-1.5mm.
The controller is PLC or singlechip controller, is conventional structure.
Various equipment employed in the present invention, in addition to the improved structure pointed by the present invention, remaining structure belongs to existing
There is a technology, and the operation of each equipment, parameter etc. are carried out according to routine operation, have no special feature.
Claims (5)
1. waste lubricant oil regeneration utilization process, it is characterised in that comprise the following steps：
（1）Plate-frame filtering：Waste lubricating oil is put into progress first time filtering in flame filter press；
（2）Alkalization：Waste lubricating oil weight 3.0-5.0% alkali compounds is added in the tank that alkalizes, in room temperature to 100 DEG C of bars
40-60 minutes are stirred under part；
（3）Sedimentation：The waste lubricating oil of alkalization is put into settling tank and settled, the sedimentation time is 18-20 hours, sedimentation temperature
Spend for 80-90 DEG C；
（4）Flocculation：The upper strata oil mixture after sedimentation is taken, flocculation tank is added, is heated to 140-160 DEG C, temperature rises to 50-
Add organic flocculant at 60 DEG C to be flocculated, flocculated pressure 0.8-1.2MPa, and time 0.8-1.2h, whole heating process is led to
Enter nitrogen as protective gas；
（5）Distillation：Mixture after flocculation is transferred to atmospheric distillation tower, 110 DEG C~150 DEG C of temperature control is distilled, and is led to
Flash column is crossed, part oil gas is directly entered rectifying column and carries out rectifying, and remaining is distilled into decompression evaporator, isolates the dregs of fat
Afterwards, the oil gas distilled out enters back into rectifying column and carries out rectifying；
（6）Hydrofinishing：Various lube oil base stocks through distilling out respectively enter hydrofinishing tank, are urged in hydrogenation catalyst
Reacted under change, its prevailing operating conditions is：165 DEG C of temperature, hydrogen dividing potential drop 1.5MPa, hydrogen-oil ratio 40m3/m3, air speed 2.0
h-1, thus remove trace impurity and the decolouring in oil product；
（7）Bleaching earth adsorption filters：The fluid of hydrofinishing is squeezed into heating stirring groove with oil pump, is added and accounted for according to fluid color
After oil plant gross mass 5-8% carclazyte, be sufficiently stirred and be heated to 80 DEG C, after obtain product after film filter filters.
2. the film filter is provided with hollow-fibre membrane, the material of the hollow-fibre membrane is polytetrafluoroethylene (PTFE), aperture 0.3-
0.5 μm, the external diameter of hollow-fibre membrane is 1.5-2.0mm, and the internal diameter of hollow-fibre membrane is 1.3-1.5mm.
3. waste lubricant oil regeneration utilization process according to claim 1, it is characterised in that：The organic flocculant choosing
From oxirane, propylene and ethylenediamine copolymer or oxyethylene sulfate ester, isopropylamine, diethylenetriamines, alkyl quaternary ammonium salt, ring
One or more in polyamide.
4. waste lubricant oil regeneration utilization process according to claim 1 or 2, it is characterised in that：Described hydrogenation essence
Catalyst processed is iron-Molybdenum catalyst or Cobalt-Molybdenum catalyst, a kind of useless lubrication being used for as described in claim 1-3 any one
The equipment of oil regeneration utilization process, it is characterised in that：Including flame filter press, alkalization tank, settling tank, the wadding being sequentially connected
Solidifying tank, atmospheric distillation tower, flash column, rectifying column, hydrofinishing tank, heating stirring groove and film filter.
5. the equipment according to claim 4 for waste lubricant oil regeneration utilization process, it is characterised in that：The alkali
Change tank is provided with plus alkali mouth and alkalization agitating paddle；The bottom of the settling tank is provided with slag-drip opening, and side wall is provided with oil-out；The flocculation
Tank is provided with flocculation heater and flocculation temperature sensor, and the flocculation temperature sensor is heated by controller and the flocculation
Device control is connected, and controls the heater of flocculation heater according to the detection temperature of flocculation temperature sensor by controller
Make；The flocculation tank is additionally provided with nitrogen inlet and nitrogen outlet；A bypass is additionally provided between described flash column and rectifying column,
The bypass is provided with decompression evaporator；The hydrofinishing tank is provided with refined heater and extraction temperature sensor, described
Extraction temperature sensor is connected by controller with the refined heater control, by controller according to extraction temperature sensor
Detection temperature control the heating work of refined heater；The carclazyte for being used for adding carclazyte is provided with the heating stirring groove
Adding mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649250.1A CN107353996A (en) | 2017-07-31 | 2017-07-31 | Waste lubricant oil regeneration utilization process and its process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649250.1A CN107353996A (en) | 2017-07-31 | 2017-07-31 | Waste lubricant oil regeneration utilization process and its process units |
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| Publication Number | Publication Date |
|---|---|
| CN107353996A true CN107353996A (en) | 2017-11-17 |
Family
ID=60287416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710649250.1A Pending CN107353996A (en) | 2017-07-31 | 2017-07-31 | Waste lubricant oil regeneration utilization process and its process units |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192716A (en) * | 2018-02-27 | 2018-06-22 | 浙江绿保再生资源科技有限公司 | A kind of waste lubricant oil regeneration all-in-one machine |
| CN108865398A (en) * | 2018-08-01 | 2018-11-23 | 宁波中循环保科技有限公司 | A kind of waste lubricating oil preprocess method |
| CN113214891A (en) * | 2021-05-08 | 2021-08-06 | 吴文杰 | Waste lubricating oil regeneration processing device |
| CN113403133A (en) * | 2021-05-27 | 2021-09-17 | 河南焓晨新能源有限公司 | Method for recycling waste lubricating oil |
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| CN102504933A (en) * | 2011-11-17 | 2012-06-20 | 北京耀锋技术开发中心 | Regeneration method of waste lubricating oil |
| CN103266008A (en) * | 2013-05-30 | 2013-08-28 | 山东信诺润滑油有限公司 | Regenerating method for waste lubricating oil |
| CN104059763A (en) * | 2014-06-20 | 2014-09-24 | 中材高新成都能源技术有限公司 | Waste lubricating oil regeneration system |
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2017
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| CN102504933A (en) * | 2011-11-17 | 2012-06-20 | 北京耀锋技术开发中心 | Regeneration method of waste lubricating oil |
| CN103266008A (en) * | 2013-05-30 | 2013-08-28 | 山东信诺润滑油有限公司 | Regenerating method for waste lubricating oil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192716A (en) * | 2018-02-27 | 2018-06-22 | 浙江绿保再生资源科技有限公司 | A kind of waste lubricant oil regeneration all-in-one machine |
| CN108865398A (en) * | 2018-08-01 | 2018-11-23 | 宁波中循环保科技有限公司 | A kind of waste lubricating oil preprocess method |
| CN113214891A (en) * | 2021-05-08 | 2021-08-06 | 吴文杰 | Waste lubricating oil regeneration processing device |
| CN113403133A (en) * | 2021-05-27 | 2021-09-17 | 河南焓晨新能源有限公司 | Method for recycling waste lubricating oil |
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