CN102977989B - Waste lubricating oil recycling regeneration production process - Google Patents
Waste lubricating oil recycling regeneration production process Download PDFInfo
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- CN102977989B CN102977989B CN201210257412.4A CN201210257412A CN102977989B CN 102977989 B CN102977989 B CN 102977989B CN 201210257412 A CN201210257412 A CN 201210257412A CN 102977989 B CN102977989 B CN 102977989B
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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, needs acid adding, adds alkali in its recovery process, increased processing sequence, strengthened tooling cost, also can cause environmental pollution.
summary of the invention
Object 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 consists 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 oil pump still kettle, communicating with still kettle circulation into and out of hydraulic fluid port of interchanger, electromagnetic induction heater is arranged on 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 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 consist of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler consists of oil cooling outer tube and oil cooling inner tube, telescoping water-cooling device consists of water-cooled outer tube and water-cooled inner tube, oil cooling inner tube is enclosed within 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 water tank circulation by pump.
It also has water-sealed tank, and the inlet mouth of water-sealed tank communicates with oil-gas separator air outlet.
The multi-stage heat exchanger that interchanger is comprised of one group of interchanger, interchanger consists 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, and entering of multi-stage heat exchanger, exports by pump and communicate with still kettle circulation.
It also has nitrogen gas generator and nitrogen basin, and the inlet mouth of nitrogen basin communicates with 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 still kettle, then enters in interchanger, the waste lubricating oil in interchanger is heated to after 300-400 ℃ by electromagnetic induction heater, then enters in still kettle;
B, distillation fractionation: the waste lubricating oil after heating is in still kettle, under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
,distillation, the gas of distillation enters separation column, and the excess oil of distillation is back in interchanger and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
, carry outfractionation;
Gas after D, fractionation enters cooling system, under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
,be condensed into after liquid, enter finished pot and store.
Advantage of the present invention is:
1, this Design of Production Line is scientific and reasonable, works continuously, easy to operate, and production efficiency is high.
2, this production line vaporization temperature is low, heated time is short, and product performance is stable.
3, not acid adding, add alkali: adopt pure physics mode separated, 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.
accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is the utility model cooling system structure schematic diagram.
Embodiment
As shown in Figure 1, a kind of waste lubricating oil circulation reclaiming production line, the present invention consists 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 arranged on 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 consist of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler consists of oil cooling outer tube 7 and oil cooling inner tube 7-1, telescoping water-cooling device consists of water-cooled outer tube 8 and water-cooled inner tube 8-1, oil cooling inner tube 7-1 is enclosed within oil cooling outer tube 7, entering 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, entering of water-cooled outer tube 8, outlet communicates with 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 consists 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, and entering of multi-stage heat exchanger, exports by pump and communicate with still kettle 1 circulation.
It also has nitrogen gas generator 10 and nitrogen basin, and the inlet mouth of nitrogen basin communicates with nitrogen gas generator 10 air outlets, and nitrogen basin air outlet still kettle 1 communicates.
Its processing step is:
A, waste lubricating oil heating: the waste lubricating oil of waste lubricating oil basin 5 is sent by pumping in still kettle 1, then enters in interchanger 3, the waste lubricating oil in interchanger 3 is heated to after 300-400 ℃ by electromagnetic induction heater 4, then enters in still kettle 1;
B, distillation fractionation: the waste lubricating oil after heating is in still kettle 1, under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
,distillation, the gas of distillation enters separation column, and the excess oil of distillation is back in interchanger 3 and reheats;
C, cooling: enter the gas of separation column under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
, carry outfractionation;
Gas after D, fractionation enters cooling system, under nitrogen atmosphere, under pressure-0.07--0.09Mpa condition
,be condensed into after liquid, enter finished pot 6 and store.
Whole production line moves under nitrogen atmosphere and under condition of negative pressure.Nitrogen is provided by nitrogen gas generator 10, and negative pressure is provided by vacuum pump 12.
Claims (1)
1. waste lubricating oil circulation reclaiming production line, is characterized in that it consists 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), entering of interchanger (3), oil outlet communicates with still kettle (1) circulation, electromagnetic induction heater (4) is arranged on 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, the inlet mouth of vacuum pump (12) communicates with the air outlet of oil-gas separator (11), cooling system is two coolers, two coolers consist of telescoping oil cooler and telescoping water-cooling device, telescoping oil cooler consists of oil cooling outer tube (7) and oil cooling inner tube (7-1), telescoping water-cooling device consists of water-cooled outer tube (8) and water-cooled inner tube (8-1), oil cooling inner tube (7-1) is enclosed within oil cooling outer tube (7), entering 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, entering of water-cooled outer tube (8), outlet communicates with 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 consists 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, and entering of multi-stage heat exchanger, exports by pump and communicate with still kettle (1) circulation, it also has nitrogen gas generator (10) and nitrogen basin, and the inlet mouth of nitrogen basin communicates with nitrogen gas generator (10) air outlet, and nitrogen basin air outlet still kettle (1) communicates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210257412.4A CN102977989B (en) | 2012-07-25 | 2012-07-25 | Waste lubricating oil recycling regeneration production process |
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| CN201210257412.4A CN102977989B (en) | 2012-07-25 | 2012-07-25 | Waste lubricating oil recycling regeneration production process |
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| 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 |
| 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 |
| 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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| CN101307271B (en) * | 2007-05-18 | 2010-12-22 | 中国石油化工股份有限公司 | Recovering and regenerating method for waste lubrication oil |
| CN100567470C (en) * | 2007-10-26 | 2009-12-09 | 华南理工大学 | Utilize the method for molecular distillation technique reduction, regenerating waste used 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 |
| CN102373108B (en) * | 2010-08-18 | 2013-09-25 | 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 |
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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 PATRIOTIC PETROCHEMICAL CO., LTD. Registration number: 2018420000006 |