CN101113385A - Lubricating oil distillation separation regenerating process and equipment - Google Patents

Lubricating oil distillation separation regenerating process and equipment Download PDF

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Publication number
CN101113385A
CN101113385A CNA2007100926486A CN200710092648A CN101113385A CN 101113385 A CN101113385 A CN 101113385A CN A2007100926486 A CNA2007100926486 A CN A2007100926486A CN 200710092648 A CN200710092648 A CN 200710092648A CN 101113385 A CN101113385 A CN 101113385A
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oil
distillation
fractionation
connects
delivery conduit
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CN101113385B (en
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冯文富
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Feng Wenfu
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Abstract

The invention relates to a lube oil distillation, separation and regeneration method and equipment thereof. The method comprises rough filtration, acid-alkali neutralization, heating, separation of oil and water, fine filtration, second time heating, distillation and separation, condensation, oil storage based on classification, absorption reaction, super fine filtration and matching neutralization in sequence. Simplification and improvement of the invention promote the technique process of absolute oil regeneration. Multi-level heating, distillation, separation and regeneration technologies are adopted and chemicals are avoided to be used in the regeneration treatment, so as to solve the pollution problem to the environment caused by the acid residues produced during the production process of various lube oils. A wind cooling technology is adopted so as to save a large amount of water source used in oil-gas condensation of the traditional techniques and fund investment in pool construction. The invention has more perfect structure, strong practicability and simple and easy operation, thereby being applicable to regeneration of various machine lube oils in all industrial and mining enterprises, fully representing the properties of environment protective, energy saving, economy and practicability.

Description

Lubricating oil distillation separation regenerating process and equipment
Technical field
The present invention relates to a kind of reclaiming process and equipment of lubricating oil.
Background technology
Existing lubricant regeneration absolute oil decoloring equipment, its purifying regeneration process is: sump oil carries out pickling through removing to enter into behind the impurity in the pickling tower under the normal temperature negative pressure, remove carbon, carbonizing matter, oxide compound, impurity etc.; Then through water washing and precipitating, behind the sediment exclusion, acid refined oil is pumped into carries out acid-base neutralisation in the neutralizing tower; Heat at last after the decolouring, add additive and be deployed into the recovered oil use.But this kind equipment needs a large amount of bright sulfur acid as chemically treated basis in the pollution lubricating oil flow process of the numerous trades mark of purifying treatment, the oil after purifying treatment, and remaining acid sludge causes certain pollution to environment.
Summary of the invention
The objective of the invention is problem at the existence of existing lubricant regeneration absolute oil decoloring equipment, a kind of lubricating oil distillation separation regeneration method and apparatus is proposed, change scavenging process and structure, adopt multipole heating multi-stage separation process, provide a kind of structure more perfect, practical, simple to operation, be applied to the fractionation by distillation regeneration treating plant of all various machine oils of industrial and mining enterprises, demonstrate fully the feature of environmental protection, energy saving, economy and practicality.
The present invention at first proposes a kind of lubricating oil distillation separation regeneration method, and its step is as follows:
The first step: earlier contaminated oil is sent into neutralizer after coarse filtration is removed impurity, carry out acid-base neutralisation, make the pH value of waste water, waste oil reach 6-7 with bright sulfur acid or edible alkali;
Second step, the contaminated oil after the neutralization is heated, about 40-75 ℃, oily water separation then, isolated steam is collected after condensation, and the fluid after the separation carries out the essence filter again, is discharged in the oil reservoir, waits for fractionation by distillation;
The 3rd step, before fractionation by distillation, first oil with oil reservoir is sent to the Infrared heaters with multipole heating arrangement and heats, Heating temperature is 80-320 ℃, according to the temperature that heats from low to high, the oil of the corresponding trade mark is heated and flashes to oil gas, being admitted to the fractionation by distillation tower with fluid handles, send into condenser system through the oil gas that fractionation by distillation goes out, change fluid into through condensation, be collected in the oil separator, take out vacuum, and determine that according to the temperature of fluid heating evaporation it is admitted to the long-pending oil tank of the corresponding trade mark; The temperature heating of continuing rising of well heater relaying is sent in fluid recirculation after fractionation by distillation simultaneously, further fractionation by distillation goes out the oil gas of other trade mark oil, vacuumize through condensation, collection again, deliver to the long-pending oil tank of corresponding label, so circulation, until fractionation by distillation go out in the waste oil all low in the oil of the high various trades mark;
The 4th step, respectively the fluid in each long-pending oil tank is sent into adsorptive reactor and heat absorption reaction, its objective is absorbing oxide, change oil product colourity; Remove by filter mechanical impurity through super essence again, send at last in the allotment neutralizer, according to the fluid oil brand, add corresponding oil dope, be deployed into all kinds of processed oils, it is standby to send into storage tank at last.
The lubricating oil distillation separation regeneration equipment of realizing aforesaid method includes strainer, secondary filter, super fine filter, water-and-oil separator, acid-base neutralisation device, well heater, adsorptive reactor, allotment neutralizer, storage tank and pipeline road.Wherein, strainer connects the acid-base neutralisation device by pipeline road, toothed gear pump is installed on the pipeline road, the delivery conduit of acid-base neutralisation device connects well heater earlier, insert water-and-oil separator then, the pipeline road of water-and-oil separator inserts secondary filter again, and toothed gear pump is installed on the pipeline road, and exhaust line connects water collector after connecing condenser again; The delivery conduit of secondary filter connects storage tank, and the delivery conduit of storage tank connects another well heater again, and toothed gear pump is installed on the delivery conduit; The delivery conduit of well heater inserts the fractionation by distillation tower, and the oil gas delivery conduit of fractionation by distillation tower connects condenser system, oil circulation access storage tank of its fluid delivery conduit and well heater; The pipeline road of condenser system connects oil separator, oil separator has vacuum pump, pass through magnetic valve a plurality of oil reservoirs in parallel under the oil separator respectively, each oil reservoir passes through the absorption reaction jar of toothed gear pump connecting band heating system respectively, the delivery conduit of absorption reaction jar connects super smart filtration filter by toothed gear pump again, the delivery conduit of super smart filtration filter connects the allotment neutralizer again, and the delivery conduit of allotment neutralizer is connected with storage tank at last.
This lubricating oil distillation separation regeneration method is the multiple function fractionation by distillation renovation process of collection mechanical-physical separation regeneration, its micro the numerous functions of the equipments of refinery, simplification and improvement have promoted the technical process of absolute oil regenerated, multistage heating, fractionation by distillation regeneration techniques in technological process, have been adopted, avoid using the chemical substance manipulation of regeneration, solved the pollution problem of acid sludge that various lubricating oil produce in process of production to environmental protection, the remaining dregs of fat that get off can be done the use of pitch material of construction after the fractionation by distillation simultaneously, help utilization of waste material.Aspect cooling, present method has adopted the air cooling technology, makes to use air-cooledly under 320 ℃ situation through the fluid oil gas that fractionation is come out, and has saved the fund input of using water cooling to build as the great lot of water resources and the pond of oil gas condensation because of traditional technology.Environmental protection, health, conserve water resource have been realized.
Present method is fit to machine oil, the traffic transport industry of the various pollutions after manipulation of regeneration industry is used: the various oil engine wet goods after using as automobile, diesel vehicle, boats and ships, beeliner.
Description of drawings
Fig. 1 is the structural representation of lubricating oil distillation separation regeneration equipment.
Embodiment
The structure of this fractionation by distillation reclaim equiment is referring to Fig. 1, at first strainer 20 connects acid-base neutralisation device 18 by pipeline road, valve and toothed gear pump 26 are installed on the pipeline road, the delivery conduit of acid-base neutralisation device 18 connects well heater 19 earlier, insert water-and-oil separator 21 then, the pipeline road of water-and-oil separator 21 inserts secondary filters 17 by toothed gear pump 26 again, and its exhaust line is given a dinner for a visitor from afar and connect water collector 23 again behind the cold condenser 7.The delivery conduit of secondary filter 17 connects storage tank 2 through toothed gear pump 26, and the delivery conduit of storage tank 2 connects another Infrared heaters 1 by a toothed gear pump 26 again.The delivery conduit of Infrared heaters 1 inserts fractionation by distillation tower 3, and fractionation by distillation is stepped on 3 oil gas delivery conduit connection air-cooled condenser 7, connects another water cooler 6 then, oil circulation access storage tank 2 of its fluid delivery conduit and Infrared heaters 1.The pipeline road of water cooler 6 connects oil separator 5, oil separator 5 has vacuum pump 9, oil separator passes through magnetic valve 8 a plurality of oil reservoirs 22 in parallel respectively 5 times, each oil reservoir 22 connects absorption reaction jar 13 by toothed gear pump 26 respectively, the delivery conduit of absorption reaction jar 13 is again by the super smart filtration filter 14 of toothed gear pump 26 web plate frames, the delivery conduit of the super smart filtration filter 14 of hydraulic plate frame connects allotment neutralizer 25 again, and the delivery conduit of allotment neutralizer 25 is connected with storage tank 24 through toothed gear pump 26 at last.
In this equipment, on the in-line of the super smart filtration filter 14 of secondary filter 17 and plate and frame vacuum pressure gauge 15 and pressure controller 16 are installed all, vacuum pressure gauge 15 is installed on the Infrared heaters 1, on acid-base neutralisation device 18 and the absorption reaction jar 13 blower fan 10 is installed, the super smart filtration filter 14 of plate and frame is connected with hydropress 12, and its oil inlet end is connected with air compressor machine 11.
It is as follows that this equipment of employing is lubricated oily fractionation by distillation regenerative process:
The first step: earlier contaminated oil is sent into strainer 20, after coarse filtration is removed impurity, pump into acid-base neutralisation device 18, carry out acid-base neutralisation, make the pH value of waste water, waste oil reach 6-7 by adding bright sulfur acid or edible alkali.
Second step, contaminated oil after the neutralization is sent into well heater 19, be heated 40-75 ℃, send into water-and-oil separator 21 then and carry out oily water separation, separated liquid oil pumps into secondary filter 17 and carries out the essence filter, is discharged in the oil reservoir 2 again, waits for fractionation by distillation, after isolated steam is sent into air-cooled condenser 7 condensations, deliver to water collector 23 and collect.
The 3rd step, before fractionation by distillation, first oil with oil reservoir 2 is pumped into the Infrared heaters 1 with three grades of heating and heats, improve the capacity of decomposition of oil product, Heating temperature is 80-320 ℃, temperature according to heating, the oil of the corresponding trade mark is heated and flashes to oil gas, being admitted to fractionation by distillation tower 3 with fluid handles, the oil gas that goes out through fractionation by distillation is admitted to air-cooled condenser 7 and carries out condensation earlier, be sent to water cooler 6 again and further cool off,, make temperature in 3 seconds, drop to 15-20 ℃ by multistage cooling, the very fast condensation of oil gas changes fluid into, be collected in the oil separator 5, take out vacuum, and determine that according to the temperature of fluid heating evaporation it is admitted to the long-pending oil tank 22 of the corresponding trade mark.The temperature heating of continuing rising of Infrared heaters 1 relaying is sent in fluid recirculation after fractionation by distillation simultaneously, further fractionation by distillation goes out the oil gas of other trade mark oil, vacuumize through condensation, collection again, deliver to the long-pending oil tank 22 of corresponding label, so circulation is carried out circulating and evaporating step by step to contaminated oil by temperature respectively, as 80 ℃ of evaporations to gasoline, 220 ℃ of oil evaporations to 150 trades mark go out each all in waste oil label oil until fractionation by distillation.
The 4th step, respectively the fluid in each long-pending oil tank 22 is sent into the adsorptive reactor 13 that has well heater and carry out absorption reaction, its objective is that the fluid after the regeneration is deviate from oxide compound changes the processing of oil product colourity, remove mechanical impurity through the super fine filter 14 of plate and frame again, send at last in the allotment neutralizer 25, determine oil brand, add corresponding oil dope according to the kinematic viscosity of fluid, be deployed into all kinds of processed oils, it is standby to send into storage tank 24 at last.
This fractionation by distillation reclaim equiment is by electric apparatus instrument control operation.

Claims (7)

1. lubricating oil distillation separation regeneration method, its step is as follows:
The first step: earlier contaminated oil is sent into neutralizer after coarse filtration is removed impurity, carry out acid-base neutralisation, make the pH value of contaminated oil reach 6-7;
Second step, to the contaminated oil after the neutralization heat, oily water separation, carry out essence filter then, be discharged in the oil reservoir wait fractionation by distillation again;
The 3rd step, before fractionation by distillation, first oil with oil reservoir is sent to well heater and heats, Heating temperature is 80-320 ℃, according to the temperature that heats from low to high, the oil of the corresponding trade mark is heated and flashes to oil gas, be admitted to the fractionation by distillation tower with fluid and carry out separating treatment, send into condenser system through the oil gas that fractionation by distillation goes out, change fluid into through condensation, be collected in the oil separator, take out vacuum, and determine that according to the temperature of fluid heating evaporation it is admitted to the long-pending oil tank of the corresponding trade mark, lightweight oils such as gasoline, kerosene are isolated in evaporation; The temperature heating of continuing rising of well heater relaying is sent in the fluid recirculation that is not evaporated that goes out through fractionation by distillation simultaneously, further fractionation by distillation goes out the oil gas of other trades mark, vacuumize through condensation, collection again, deliver to the long-pending oil tank of the corresponding trade mark, so circulation, until fractionation by distillation go out in the waste oil all low in high various trade mark oil;
The 4th step, respectively the fluid in each long-pending oil tank to be sent into adsorptive reactor and carry out absorption reaction, absorbing oxide changes oil product colourity; Remove by filter mechanical impurity through super essence again, send at last in the allotment neutralizer, determine oil brand according to the kinematic viscosity of fluid, add corresponding oil dope, be deployed into all kinds of processed oils, it is standby to send into storage tank at last.
2. lubricating oil distillation separation regeneration method according to claim 1 is characterized in that: adopt red multistage external heating mode that contaminated oil is heated before fractionation by distillation, the temperature control of single-stage weighing apparatus.
3. lubricating oil distillation separation regeneration method according to claim 1 is characterized in that: described condenser system adopts air-cooled condensation to add the liquid condensation type of cooling.
4. realize the lubricating oil distillation separation regeneration equipment of the described method of claim 1, it includes strainer, secondary filter, super fine filter, water-and-oil separator, acid-base neutralisation device, well heater, adsorptive reactor, allotment neutralizer, storage tank and pipeline road; It is characterized in that: strainer connects the acid-base neutralisation device by pipeline road, toothed gear pump is installed on the pipeline road, the delivery conduit of acid-base neutralisation device connects well heater earlier, insert water-and-oil separator then, the pipeline road of water-and-oil separator inserts secondary filter again, toothed gear pump is installed on the pipeline road, and exhaust line connects water collector after connecing condenser again; The delivery conduit of secondary filter connects storage tank, and the delivery conduit of storage tank connects another well heater again, and toothed gear pump is installed on the delivery conduit; The delivery conduit of well heater inserts the fractionation by distillation tower, and the oil gas delivery conduit of fractionation by distillation tower connects condenser system, oil circulation access storage tank of its fluid delivery conduit and well heater; The pipeline road of condenser system connects oil separator, oil separator has vacuum pump, pass through magnetic valve a plurality of oil reservoirs in parallel under the oil separator respectively, each oil reservoir connects the absorption reaction jar by toothed gear pump respectively, the delivery conduit of absorption reaction jar connects super smart filtration filter by toothed gear pump again, the delivery conduit of super smart filtration filter connects the allotment neutralizer again, and the delivery conduit of allotment neutralizer is connected with storage tank at last.
5. equipment according to claim 4 is characterized in that: the water cooler that described condenser system adopts air-cooled condenser and condenses cooling and freezing unit to constitute is combined.
6. equipment according to claim 4 is characterized in that: the well heater that connects before the fractionation by distillation tower is an Infrared heaters.
7. equipment according to claim 4 is characterized in that: on the pipeline road that inserts before described secondary filter and the super fine filter tensimeter and pressure controller are installed all; On Infrared heaters and fractionation by distillation tower, vacuum meter is installed.
CN2007100926486A 2007-08-31 2007-08-31 Lubricating oil distillation separation regenerating process and equipment Expired - Fee Related CN101113385B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527143A (en) * 2010-12-23 2012-07-04 北京市电力公司 Greasy dirt treatment system
CN104005812A (en) * 2014-05-21 2014-08-27 连云港中再钢铁炉料有限公司 Method for recycling engine oil filter
CN106753507A (en) * 2016-12-26 2017-05-31 沙县盛福环保节能燃料有限公司 A kind of used oil recycling production equipment and its production technology
CN107569901A (en) * 2017-10-10 2018-01-12 杨继新 Reduce oil product carbon residue device
CN107715562A (en) * 2017-10-19 2018-02-23 泉州市天龙环境工程有限公司 The recovery system and its recovery method of caused lubricating oil in a kind of CNC milling machine
CN111154510A (en) * 2020-01-22 2020-05-15 韦祖军 Waste mineral oil treatment system and application method thereof
CN112449453A (en) * 2020-12-08 2021-03-05 莱芜钢铁集团淄博锚链有限公司 Intermediate frequency heating temperature closed-loop control system for bar stock
CN115947507A (en) * 2023-03-10 2023-04-11 广东红海湾发电有限公司 Oily wastewater treatment method based on industrial water recovery

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141628A (en) * 1987-08-19 1992-08-25 Rwe-Entsorgung Aktiengesellschaft Method of cleaning and regenerating used oils
CN1082542C (en) * 1999-07-16 2002-04-10 冯文富 Equipment for cleaning used lubricating oil
CN1132922C (en) * 2001-01-05 2003-12-31 中国石油化工股份有限公司 Waste oil recovering mathod
CN201148419Y (en) * 2007-08-31 2008-11-12 冯文富 Lubricating oil distillation separation and regeneration equipment

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527143A (en) * 2010-12-23 2012-07-04 北京市电力公司 Greasy dirt treatment system
CN102527143B (en) * 2010-12-23 2014-08-20 国家电网公司 Greasy dirt treatment system
CN104005812A (en) * 2014-05-21 2014-08-27 连云港中再钢铁炉料有限公司 Method for recycling engine oil filter
CN104005812B (en) * 2014-05-21 2016-06-29 连云港中再钢铁炉料有限公司 A kind of method of machine oil filter core recycling
CN106753507A (en) * 2016-12-26 2017-05-31 沙县盛福环保节能燃料有限公司 A kind of used oil recycling production equipment and its production technology
CN107569901A (en) * 2017-10-10 2018-01-12 杨继新 Reduce oil product carbon residue device
CN107569901B (en) * 2017-10-10 2023-01-06 杨继新 Reduce oil carbon residue device
CN107715562A (en) * 2017-10-19 2018-02-23 泉州市天龙环境工程有限公司 The recovery system and its recovery method of caused lubricating oil in a kind of CNC milling machine
CN107715562B (en) * 2017-10-19 2023-11-28 泉州市天龙环境工程有限公司 Recovery system and recovery method of lubricating oil generated in numerical control milling machine
CN111154510A (en) * 2020-01-22 2020-05-15 韦祖军 Waste mineral oil treatment system and application method thereof
CN112449453A (en) * 2020-12-08 2021-03-05 莱芜钢铁集团淄博锚链有限公司 Intermediate frequency heating temperature closed-loop control system for bar stock
CN115947507A (en) * 2023-03-10 2023-04-11 广东红海湾发电有限公司 Oily wastewater treatment method based on industrial water recovery

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