CN102977989A - Waste lubricating oil recycling regeneration production process - Google Patents
Waste lubricating oil recycling regeneration production process Download PDFInfo
- Publication number
- CN102977989A CN102977989A CN2012102574124A CN201210257412A CN102977989A CN 102977989 A CN102977989 A CN 102977989A CN 2012102574124 A CN2012102574124 A CN 2012102574124A CN 201210257412 A CN201210257412 A CN 201210257412A CN 102977989 A CN102977989 A CN 102977989A
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- Prior art keywords
- oil
- communicates
- lubricating oil
- waste lubricating
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title abstract 3
- 230000008929 regeneration Effects 0.000 title abstract 3
- 238000011069 regeneration method Methods 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000004821 distillation Methods 0.000 claims abstract description 13
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 13
- 238000005194 fractionation Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 27
- 238000000926 separation method Methods 0.000 claims description 18
- 230000004087 circulation Effects 0.000 claims description 15
- 230000005674 electromagnetic induction Effects 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 238000009510 drug design Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention relates to a waste lubricating oil recycling regeneration production process, which comprises that: A, waste lubricating oil is heated, B, distillation fractionation is performed, C, cooling is performed, and D the gas obtained from fractionation enters a cooling system, and is condensed into a liquid under a nitrogen atmosphere and pressure of -0.07 to -0.09 Mpa, and the liquid enters a finished product tank 6 to be stored. The waste lubricating oil recycling regeneration production process has the following advantages that: 1, the production line has characteristics of scientific and rational design, continuous operation, easy operation and high production efficiency; 2, the production line has characteristics of low evaporation temperature, short heating time and stable product characteristic; 3, acid and alkali are not required to be added, a pure physical manner is adopted to separate, under vacuum and a nitrogen atmosphere, open fire heating is not adopted, safety factor is high, and no secondary pollution is generated; and 4, product quality is good, and product purity is high.
Description
Technical field
The present invention relates to waste lubricating oil circulation reclaiming production line field.
Background technology
It is good not that existing waste lubricating oil loops back the general recovering effect of receiving apparatus, and product purity is not high enough, and it reclaims needs acid adding in the technique, add alkali, has increased processing sequence, has strengthened tooling cost, also can cause environmental pollution.
Summary of the invention
Purpose of the present invention loops back receiving apparatus and the above-mentioned deficiency of technique for waste lubricating oil exactly, and a kind of waste lubricating oil circulation reclaiming production technique is provided.
The present invention is made of waste lubricating oil basin, still kettle, separation column, interchanger, electromagnetic induction heater, cooling system, finished pot, oil-gas separator, vacuum pump; The oil outlet of waste lubricating oil basin communicates by the oil pump still kettle, communicating with the still kettle circulation into and out of hydraulic fluid port of interchanger, electromagnetic induction heater is installed on the interchanger, the vapor outlet port of still kettle communicates with the steam-gas inlet of separation column, the vapor outlet port of separation column communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot, and the venting port of finished pot communicates with the oil-gas separator inlet mouth, and the inlet mouth of vacuum pump communicates with the air outlet of oil-gas separator.
Cooling system is two coolers, two coolers are made of telescoping oil cooler and telescoping water-cooling device, the telescoping oil cooler is made of oil cooling outer tube and oil cooling inner tube, the telescoping water-cooling device is made of water-cooled outer tube and water-cooled inner tube, the oil cooling inner tube is enclosed within the oil cooling outer tube, the import and export of oil cooling outer tube communicates with the circulation of waste lubricating oil basin by pump, the import of oil cooling inner tube communicates with separation column, outlet communicates with the import of the water-cooled inner tube of telescoping water-cooling device, the outlet of water-cooled inner tube communicates with finished pot, and the import and export of water-cooled outer tube communicates with the water tank circulation by pump.
It also has water-sealed tank, and the inlet mouth of water-sealed tank communicates with the oil-gas separator air outlet.
The multi-stage heat exchanger that interchanger is comprised of one group of interchanger, interchanger is made of heat transfer tube and electromagnetic induction heater; The ruhmkorff coil of electromagnetic induction heater is on heat transfer tube, and the heat transfer tube of multi-stage heat exchanger serial connection communicates, the advancing of multi-stage heat exchanger, and outlet circulates with still kettle by pump and communicates.
It also has nitrogen gas generator and nitrogen basin, and the inlet mouth of nitrogen basin communicates with the nitrogen gas generator air outlet, and nitrogen basin air outlet still kettle communicates.
Its processing step is:
A, waste lubricating oil heating: the waste lubricating oil of waste lubricating oil basin is sent by pumping in the still kettle, enters in the interchanger again, the waste lubricating oil in interchanger enters in the still kettle after being heated to 300-400 ℃ by electromagnetic induction heater again;
B, the distillation fractionation: the waste lubricating oil after the heating in still kettle, under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,Distillation, the gas of distillation enters separation column, and the excess oil of distillation is back in the interchanger and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
, carry outFractionation;
Gas after D, the fractionation enters cooling system, under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,After being condensed into liquid, entering finished pot and store.
Advantage of the present invention is:
1, this Design of Production Line is scientific and reasonable, works continuously, and is easy to operate, and production efficiency is high.
2, this production line vaporization temperature is low, heated time short, and product performance is stable.
3, not acid adding, add alkali: adopt pure physics mode to separate, under vacuum and nitrogen atmosphere, flames of anger heating, safety coefficient is high, and non-secondary pollution.
4, good product quality, product purity is high.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is cooling system structure synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of waste lubricating oil circulation reclaiming production line, the present invention is made of waste lubricating oil basin 5, still kettle 1, separation column 2, interchanger 3, electromagnetic induction heater 4, cooling system, finished pot 6, oil-gas separator 11, vacuum pump 12;
The oil outlet of waste lubricating oil basin 5 communicates by oil pump still kettle 1, communicating with still kettle 1 circulation into and out of hydraulic fluid port of interchanger 3, electromagnetic induction heater 4 is installed on the interchanger 3, the vapor outlet port of still kettle 1 communicates with the steam-gas inlet of separation column 2, the vapor outlet port of separation column 2 communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot 6, the venting port of finished pot 6 communicates with oil-gas separator 11 inlet mouths, and the inlet mouth of vacuum pump 12 communicates with the air outlet of oil-gas separator 11.
Cooling system is two coolers, two coolers are made of telescoping oil cooler and telescoping water-cooling device, the telescoping oil cooler is made of oil cooling outer tube 7 and oil cooling inner tube 7-1, the telescoping water-cooling device is made of water-cooled outer tube 8 and water-cooled inner tube 8-1, oil cooling inner tube 7-1 is enclosed within the oil cooling outer tube 7, advancing of oil cooling outer tube 7, outlet communicates with 5 circulations of waste lubricating oil basin by pump, the import of oil cooling inner tube 7-1 communicates with separation column 2, outlet communicates with the import of the water-cooled inner tube 8-1 of telescoping water-cooling device, the outlet of water-cooled inner tube 8-1 communicates with finished pot, the advancing of water-cooled outer tube 8, outlet communicates with the water tank circulation by pump.See accompanying drawing 2.
It also has water-sealed tank 9, and the inlet mouth of water-sealed tank 9 communicates with oil-gas separator 11 air outlets.
The multi-stage heat exchanger that interchanger is comprised of one group of interchanger, interchanger is made of heat transfer tube 2 and electromagnetic induction heater 3; The ruhmkorff coil of electromagnetic induction heater 3 is on heat transfer tube 2, and the heat transfer tube of multi-stage heat exchanger 2 serial connections communicate, the advancing of multi-stage heat exchanger, and outlet circulates with still kettle 1 by pump and communicates.
It also has nitrogen gas generator 10 and nitrogen basin 12, and the inlet mouth of nitrogen basin 12 communicates with nitrogen gas generator 10 air outlets, and nitrogen basin 10 air outlet still kettles 1 communicate.
Its processing step is:
A, waste lubricating oil heating: the waste lubricating oil of waste lubricating oil basin 5 is sent by pumping in the still kettle 1, enters in the interchanger 3 again, the waste lubricating oil in interchanger 3 enters in the still kettle 1 after being heated to 300-400 ℃ by electromagnetic induction heater 4 again;
B, the distillation fractionation: the waste lubricating oil after the heating in still kettle 1, under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,Distillation, the gas of distillation enters separation column, and the excess oil of distillation is back in the interchanger 3 and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
, carry outFractionation;
Gas after D, the fractionation enters cooling system, under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,After being condensed into liquid, entering finished pot 6 and store.
Whole production line moves under nitrogen atmosphere and under the condition of negative pressure.Nitrogen is provided by nitrogen gas generator 10, and negative pressure is provided by vacuum pump 12.
Claims (2)
1. waste lubricating oil circulation reclaiming production technique is characterized in that its processing step is:
A, waste lubricating oil heating: the waste lubricating oil of waste lubricating oil basin (5) is sent by pumping in the still kettle (1), enter again in the interchanger (3), waste lubricating oil in interchanger (3) enters in the still kettle (1) after being heated to 300-400 ℃ by electromagnetic induction heater (4) again;
B, the distillation fractionation: the waste lubricating oil after the heating in still kettle (1), under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,Distillation, the gas of distillation enters separation column, and the excess oil of distillation is back in the interchanger (3) and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
, carry outFractionation;
Gas after D, the fractionation enters cooling system, under nitrogen atmosphere, pressure-0.07--the 0.09Mpa condition under
,After being condensed into liquid, entering finished pot (6) and store.
2. waste lubricating oil circulation reclaiming production technique special production line according to claim 1 is characterized in that it is made of waste lubricating oil basin (5), still kettle (1), separation column (2), interchanger (3), electromagnetic induction heater (4), cooling system, finished pot (6), oil-gas separator (11), vacuum pump (12); The oil outlet of waste lubricating oil basin (5) communicates by oil pump still kettle (1), advancing of interchanger (3), oil outlet communicates with still kettle (1) circulation, electromagnetic induction heater (4) is installed on the interchanger (3), the vapor outlet port of still kettle (1) communicates with the steam-gas inlet of separation column (2), the vapor outlet port of separation column (2) communicates with the steam-gas inlet of cooling system, the liquid exit of cooling system communicates with finished pot (6), the venting port of finished pot (6) communicates with oil-gas separator (11) inlet mouth, and the inlet mouth of vacuum pump (12) communicates with the air outlet of oil-gas separator (11); Cooling system is two coolers, two coolers are made of telescoping oil cooler and telescoping water-cooling device, the telescoping oil cooler is made of oil cooling outer tube (7) and oil cooling inner tube (7-1), the telescoping water-cooling device is made of water-cooled outer tube (8) and water-cooled inner tube (8-1), oil cooling inner tube (7-1) is enclosed within the oil cooling outer tube (7), advancing of oil cooling outer tube (7), outlet communicates with waste lubricating oil basin (5) circulation by pump, the import of oil cooling inner tube (7-1) communicates with separation column (2), outlet communicates with the import of the water-cooled inner tube (8-1) of telescoping water-cooling device, the outlet of water-cooled inner tube (8-1) communicates with finished pot, advancing of water-cooled outer tube (8), outlet communicates with the water tank circulation by pump: it also has water-sealed tank (9), the inlet mouth of water-sealed tank (9) communicates with oil-gas separator (11) air outlet, the multi-stage heat exchanger that interchanger is comprised of one group of interchanger, interchanger is made of heat transfer tube (2) and electromagnetic induction heater (3); The ruhmkorff coil of electromagnetic induction heater (3) is on heat transfer tube (2), and the heat transfer tube of multi-stage heat exchanger (2) serial connection communicates, the advancing of multi-stage heat exchanger, and outlet circulates with still kettle (1) by pump and communicates; It also has nitrogen gas generator (10) and nitrogen basin (12), and the inlet mouth of nitrogen basin (12) communicates with nitrogen gas generator (10) air outlet, and nitrogen basin (10) air outlet still kettle (1) communicates.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257412.4A CN102977989B (en) | 2012-07-25 | 2012-07-25 | Waste lubricating oil recycling regeneration production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257412.4A CN102977989B (en) | 2012-07-25 | 2012-07-25 | Waste lubricating oil recycling regeneration production process |
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| Publication Number | Publication Date |
|---|---|
| CN102977989A true CN102977989A (en) | 2013-03-20 |
| CN102977989B CN102977989B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210257412.4A Expired - Fee Related CN102977989B (en) | 2012-07-25 | 2012-07-25 | Waste lubricating oil recycling regeneration production process |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146423A (en) * | 2013-04-01 | 2013-06-12 | 佛山市和挚承环保科技有限公司 | Method for regenerating and extracting waste mineral oil by filling nitrogen extracting |
| CN104232286A (en) * | 2013-06-13 | 2014-12-24 | 中国石油化工股份有限公司 | Separation method of aluminium drawing waste oil |
| CN109224752A (en) * | 2018-08-27 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of degreasing oil recovery apparatus and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177646A (en) * | 2007-10-26 | 2008-05-14 | 华南理工大学 | Method for deacidizing and regenerating waste used oil by using molecular distillation technology |
| CN101307271A (en) * | 2007-05-18 | 2008-11-19 | 中国石油化工股份有限公司 | Recovering and regenerating method for waste lubrication oil |
| CN101805662A (en) * | 2010-04-20 | 2010-08-18 | 上海通凌新能源科技发展有限公司 | Preparation method for reclaimed lubricating oil fraction |
| CN102373108A (en) * | 2010-08-18 | 2012-03-14 | 北京金隅红树林环保技术有限责任公司 | Process method for producing base oil by regenerating waste lubricating oil |
-
2012
- 2012-07-25 CN CN201210257412.4A patent/CN102977989B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307271A (en) * | 2007-05-18 | 2008-11-19 | 中国石油化工股份有限公司 | Recovering and regenerating method for waste lubrication oil |
| CN101177646A (en) * | 2007-10-26 | 2008-05-14 | 华南理工大学 | Method for deacidizing and regenerating waste used oil by using molecular distillation technology |
| CN101805662A (en) * | 2010-04-20 | 2010-08-18 | 上海通凌新能源科技发展有限公司 | Preparation method for reclaimed lubricating oil fraction |
| CN102373108A (en) * | 2010-08-18 | 2012-03-14 | 北京金隅红树林环保技术有限责任公司 | Process method for producing base oil by regenerating waste lubricating oil |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146423A (en) * | 2013-04-01 | 2013-06-12 | 佛山市和挚承环保科技有限公司 | Method for regenerating and extracting waste mineral oil by filling nitrogen extracting |
| CN104232286A (en) * | 2013-06-13 | 2014-12-24 | 中国石油化工股份有限公司 | Separation method of aluminium drawing waste oil |
| CN104232286B (en) * | 2013-06-13 | 2016-05-11 | 中国石油化工股份有限公司 | A kind of separation method of aluminium wire waste oil |
| CN109224752A (en) * | 2018-08-27 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of degreasing oil recovery apparatus and control method |
| CN109224752B (en) * | 2018-08-27 | 2020-09-01 | 珠海格力电器股份有限公司 | Degreasing oil recovery device and control method |
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| Publication number | Publication date |
|---|---|
| CN102977989B (en) | 2014-03-19 |
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Denomination of invention: Waste lubricating oil recycling regeneration production process Effective date of registration: 20180222 Granted publication date: 20140319 Pledgee: Branch Bank of Industrial Commercial Bank of China Ltd. Jingmen Petrochemical Industrial Zone Pledgor: HUBEI AIGUO PETROCHEMICAL CO.,LTD. Registration number: 2018420000006 |
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Granted publication date: 20140319 |