CN105688441A - Waste engine oil propane extraction tower - Google Patents

Waste engine oil propane extraction tower Download PDF

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Publication number
CN105688441A
CN105688441A CN201610206947.7A CN201610206947A CN105688441A CN 105688441 A CN105688441 A CN 105688441A CN 201610206947 A CN201610206947 A CN 201610206947A CN 105688441 A CN105688441 A CN 105688441A
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CN
China
Prior art keywords
tower
extraction tower
heat
oil
propane
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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.)
Pending
Application number
CN201610206947.7A
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Chinese (zh)
Inventor
张海清
Original Assignee
张海清
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN2015206606369 priority Critical
Priority to CN201520660636 priority
Application filed by 张海清 filed Critical 张海清
Publication of CN105688441A publication Critical patent/CN105688441A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D11/00Solvent extraction
    • B01D11/04Solvent extraction of solutions which are liquid
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/005Working-up used lubricants to recover useful products ; Cleaning using extraction processes; apparatus therefor

Abstract

The invention relates to a waste engine oil propane extraction tower. In the extraction tower, a stable top-high and bottom-low temperature gradient is formed by heat exchange pipe bundles, which are located at the upper part of the tower, are used for raising water temperature and heating, are vertical to the ground and have the lengths of 3m-12m, in a temperature range of 10 DEG C to 100 DEG C and a pressure range of 4.0MPaG and 5.0MPaG; grid fillers at the lower part of the tower are used for enhancing mass transfer; the heat exchange pipe bundles are electromagnetically vibrated to remove pipe bundle scales; the grid fillers are electromagnetically vibrated to remove filler scales; the heat exchange pipe bundles are matched with a spiral baffle so as to enhance heat transfer and prevent scales; and bitumen is prevented from high-temperature metamorphic hardening or low-temperature condensation by water temperature rising and heat tracing of a bituminous section of a tower kettle.

Description

A kind of used oil propane extraction tower
Technical field
The present invention relates to a kind of used oil propane extraction tower。The method belongs to petrochemical industry and environmental protection technical field。
Background technology
Used oil belongs to hazardous waste, containing a large amount of carcinogen, topples over and natural environment will cause serious harm, burning can produce the harmful substance such as a large amount of dioxin, sulfur phosphorus organic compound。In used oil, only some hydrocarbon (about 10%~25%) goes bad, all the other major part hydrocarbon compositions are still the main viscosity carrier of lubricating oil, after removing rotten thing and impurity, get final product the lube base oil that regeneration conforms to quality requirements, and the response rate can reach about 70%。2012, China's lubricating oil real consumption amount reached 8,500,000 tons, and the proportion of goods damageds and the response rate of 50% according to 20% calculate, at least recyclable used oil 3,400,000 tons every year, renewable lube base oil more than 200 ten thousand tons。
The regenerating waste oil industry of China starts development the sixties in last century, but backward in technique, with low quality。In the later stage eighties in last century, regenerating waste oil industry starts fast development, and particularly since 2000, regenerating waste oil scope of the enterprise has very big lifting, but, however it remains the problems such as manufacturing process is simple, contaminated environment is serious。Given this, the National Development and Reform Commission have issued " about printing and distributing " 12 " comprehensive utilization of resources instruction and the notice of large solid waste comprehensive utilization embodiment ", notification waste used oil reclaims and recycling is the key industry encouraging development, from on October 31,1 day to 2018 November in 2013, to the used oil to reclaim be raw material production lube base oil, gasoline, the industrial oil exempt from consumption tax such as diesel oil。Support regenerating waste oil enterprise development by preferential tax revenue, both can alleviate the pressure of China's oil resource scarcity, regular distributors can be helped again to spend hard time, promote the sector industrialized development, improve the technical merit of the sector, reduce environmental pollution。
To sum up, find used oil processing method simply effective, free of contamination, to enterprise, society is had great meaning。
Summary of the invention
It is an object of the invention to utilize propane to extract, remove the undesirable components in used oil and mechanical admixture, obtain qualified lube base oil or be available for the lube base oil of follow-up deep processing。
Summary of the invention
Technical solution of the present invention: the present invention utilizes propane that lubricating oil ideal composition is dissolved, and to the undissolved characteristic of undesirable components, in extraction tower, in 10 DEG C to 100 DEG C temperature ranges, in 4.0MPaG to 5.0MPaG pressure limit, with tower top hot water mild heat be perpendicular to ground and thermograde that stable upper height that heat-exchanging tube bundle that length is between 3 meters to 12 meters is formed bends down, mass transfer is being strengthened with the grid packing of tower bottom, tube bank dirty is being removed with heat-exchanging tube bundle electromagnetic rapping, filler dirty is being removed with grid packing electromagnetic rapping, with the supporting spiral baffle augmentation of heat transfer of heat-exchanging tube bundle and prevent dirty, with tower reactor Colophonium section hot water gentleness heat tracing prevent asphalt high-temperature go bad hardening or low temperature solidification when realize。It is described as follows:
A) extraction tower top is provided with that be perpendicular to ground and that length is between 3 meters to 12 meters heat-exchanging tube bundle, and extraction tower bottom is provided with grid packing;
B) used oil is from middle part (namely between heat-exchanging tube bundle and the grid packing) charging of tower, and propane is from bottom (namely below the grid packing) charging of tower;
C) passing into the hot water of 100 DEG C ~ 150 DEG C in heat-exchanging tube bundle, form the thermograde that stable upper height bends down on the top of tower, the undesirable components in extract raises dissolubility reduction along with temperature and precipitates out;
D) heat-exchanging tube bundle sets electromagnetic rapping mechanism, and the periodicity magnetic force produced by the magnetic field generator on tower outer wall triggers the elastic component that can clash on the inner wall of tower of tube bank, to remove the undesirable components of the precipitation being attached in tube bank (and spiral baffle);
E) the supporting spiral baffle plate of heat-exchanging tube bundle, namely can enhanced heat exchange, the undesirable components of precipitation can be made again to be not easily detained on baffle plate;
F) used oil and propane counter current contacting in grid packing, extract;
G) grid packing sets electromagnetic rapping mechanism, and the periodicity magnetic force produced by the magnetic field generator on tower outer wall triggers the elastic component that can clash on the inner wall of tower of filler, to remove the undesirable components being attached on filler;
H) tower reactor Colophonium section arranges heat tracing coil pipe, passes into the hot water of 100 DEG C ~ 150 DEG C in heat tracing coil pipe, it is prevented that the rotten hardening of asphalt high-temperature or low temperature solidification;
I) magnetic field generator on the tower outer wall in electromagnetic rapping mechanism is solenoid, produce magnetic field when an electric current passes through it, produce magnetic force simultaneously, the spring being fixed on inner wall of tower is attracted by magnetic force, make spring-compressed, magnetic field disappears when the current is switched off, and magnetic force disappears simultaneously, and the spring compressed because of magnetic force restores;
J) elastic component on the inner wall of tower in electromagnetic rapping mechanism is the spring being fixed on inner wall of tower, and as described in " i " bar, it relies on the generation of electromagnetic force and disappearance periodically to be compressed and restore, thus playing the effect of rapping tube bank and filler。
Advantages of the present invention:
The first, the present invention sets up the thermograde that stable upper height bends down on the top of tower by being perpendicular to the length on the ground heat-exchanging tube bundle between 3 meters to 12 meters, makes the undesirable components in extract be precipitated out fully, it is possible to obtain high-quality lube base oil;
Second, the supporting spiral baffle plate of heat-exchanging tube bundle of the present invention, namely can enhanced heat exchange, the undesirable components of precipitation can be made again to be not easily detained on baffle plate;
3rd, heat-exchanging tube bundle of the present invention sets electromagnetic rapping mechanism, the periodicity magnetic force produced by the magnetic field generator on tower outer wall triggers the elastic component that can clash on the inner wall of tower of tube bank, to remove the undesirable components of the precipitation being attached in tube bank (and spiral baffle);
4th, grid packing of the present invention sets electromagnetic rapping mechanism, and the periodicity magnetic force produced by the magnetic field generator on tower outer wall triggers the elastic component that can clash on the inner wall of tower of filler, to remove the undesirable components being attached on filler;
5th, heat-exchanging tube bundle of the present invention and heat tracing coil pipe adopt the hot water mild heat of 100 DEG C ~ 150 DEG C, can slow down the heat-exchanging tube bundle dirty because high temperature causes or the rotten hardening of Colophonium;
6th, propane of the present invention contacts with used oil reverse flow in grid packing, and extraction efficiency is high。
Accompanying drawing explanation
Fig. 1 is the system process schematic diagram of the present invention。
In figure: 1 be hot water inlet pipe bundle, 2 be hot water out pipe bundle, 3 be that extract goes out tower, 4 is used oil charging, 5 is propane feed, 6 is that hot water enters coil pipe, 7 is that hot water goes out coil pipe, 8 is Colophonium discharging, 9 is heat-exchanging tube bundle, 10 is helical baffle, 11 is electromagnetic rapping mechanism, 12 is grid packing, 13 is coil pipe。
Detailed description of the invention
Hot water 1 enters the upper bundle 9 of extraction tower, and media for heat exchange in tower, forms the temperature field that stable upper height bends down on the top of tower, and the hot water 2 after heat exchange leaves tube bank;
Used oil 4 enters the middle part of tower, heats up with hot water heat exchange through heat-exchanging tube bundle 9 and helical baffle 10 together with propane after being extracted by propane, precipitates out the extract 3 after a small amount of Colophonium dissolved from the upper outlet of tower;
Propane 5, in the bottom charging of tower, is extracted at grid packing 12 counter current contacting, lubricating oil component and a small amount of Colophonium with used oil, and major part Colophonium flows to tower reactor;
Hot water 6 enters tower reactor heat tracing coil pipe 13, and hot water 7 goes out tower reactor heat tracing coil pipe;
Colophonium 8 is in discharging at the bottom of tower;
Tube bank and filler are clashed into suitable frequency in electromagnetic rapping mechanism 11, it is to avoid Colophonium and solid impurity deposition on tube bank, spiral tube sheet and filler。
Embodiment one:
4.6MPaG, 85 DEG C, the used oil 4 of 36t/h, enter in the middle part of extraction tower;
4.6MPaG, 60 DEG C, the propane 5 of 110t/h, enter extraction tower bottom;
Propane and used oil are in grid packing 12 counter current contacting, and the lubricating oil component in used oil is dissolved by propane, and a small amount of Colophonium also can be dissolved by propane, form extract;
0.4MPaG, 110 DEG C, the hot water 1 of 125t/h, enter the heat-exchanging tube bundle 9 on extraction tower top, forms the temperature field that the upper height of 87 DEG C to 62 DEG C bends down on the top of tower, and hot water 2 temperature after heat exchange drops to 94 DEG C, flows out from heat-exchanging tube bundle;
Extract heats up with hot water heat exchange through heat-exchanging tube bundle 9 and helical baffle 10, precipitates out the Colophonium dissolved, finally about 4.5MPaG, extract 3(propane 108t/h, the lubricating oil component 34t/h of 87 DEG C) from the upper outlet of tower;
The Colophonium carrying propane flows into tower reactor;
0.4MPaG, 110 DEG C, the hot water 6 of 8t/h, enter the heat tracing coil pipe 13 of tower reactor, maintains bottom temperature at 102 DEG C, and the hot water 7 after heat tracing flows out from heat tracing coil pipe;
Final about 4.6MPaG, Colophonium 8(Colophonium 2t/h, the propane 2t/h of 102 DEG C) from discharging at the bottom of tower;
Electromagnetic rapping mechanism 11, solenoid by being arranged on tower outer wall produces magnetic field with the frequency of 10 beats/min, drive Elastic Impact element rapping tube bank and the filler of inner wall of tower, it is to avoid Colophonium and solid impurity deposition on tube bank, spiral tube sheet and filler, also function to the effect of strengthening mass transfer simultaneously。

Claims (4)

1. a used oil propane extraction tower, it is characterised in that specific as follows:
A) propane extraction tower top is the heat-exchanging tube bundle being perpendicular to ground;
B) propane extraction tower upper vertical in the length of the heat-exchanging tube bundle on ground between 3 meters to 12 meters;
C) propane extraction tower upper vertical is furnished with spiral baffle in the heat-exchanging tube bundle on ground;
D) propane extraction tower bottom is grid packing;
E) used oil is from middle part (namely between heat-exchanging tube bundle and the grid packing) charging of tower, and propane is from bottom (namely below the grid packing) charging of tower。
2. a kind of used oil propane extraction tower according to claim 1, it is characterised in that propane extraction tower outer wall is provided with magnetic field generator。
3. a kind of used oil propane extraction tower according to claim 1, it is characterised in that propane extraction tower inwall is provided with the elastic component of energy induced field generator。
4. a kind of used oil propane extraction tower according to claim 1, it is characterised in that the magnetic field generator on propane extraction tower outer wall drives the elastic component on propane extraction tower inwall to come rapping heat-exchanging tube bundle and grid packing。
CN201610206947.7A 2015-08-30 2016-04-06 Waste engine oil propane extraction tower Pending CN105688441A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2015206606369 2015-08-30
CN201520660636 2015-08-30

Publications (1)

Publication Number Publication Date
CN105688441A true CN105688441A (en) 2016-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610206947.7A Pending CN105688441A (en) 2015-08-30 2016-04-06 Waste engine oil propane extraction tower

Country Status (1)

Country Link
CN (1) CN105688441A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106987714A (en) * 2017-04-10 2017-07-28 赣州科源甬致科技有限公司 One kind extracts the nickel sulfate energy-saving extraction equipment of vibration from old and useless battery
CN107216908A (en) * 2017-07-23 2017-09-29 张家彬 A kind of used oil extraction tower pitch discharge technique
CN107287018A (en) * 2017-08-06 2017-10-24 张家彬 A kind of process for regeneration of waste lubricating oil
CN107699332A (en) * 2017-08-16 2018-02-16 张家彬 A kind of waste lubricating oil extraction tower pitch discharge method
CN108003914A (en) * 2017-11-30 2018-05-08 广东电网有限责任公司电力科学研究院 A kind of purification method of the benzyldithio toluene of insulating oil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040007499A1 (en) * 2002-07-15 2004-01-15 Jeronimo Angulo Aramburu Process for re-refining used oils by solvent extraction
CN101045882A (en) * 2006-03-31 2007-10-03 中国石油化工股份有限公司 Heating method for extruction column top in solvent de-asphalting apparatus
CN101963623A (en) * 2009-07-22 2011-02-02 于向东 Electromagnetic pulse double-hammer rapping ash-removal type pulverized-coal flow velocity measuring device
CN103341314A (en) * 2013-07-29 2013-10-09 新疆宜化化工有限公司 Synthesis ammonia pre-reaction device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040007499A1 (en) * 2002-07-15 2004-01-15 Jeronimo Angulo Aramburu Process for re-refining used oils by solvent extraction
CN101045882A (en) * 2006-03-31 2007-10-03 中国石油化工股份有限公司 Heating method for extruction column top in solvent de-asphalting apparatus
CN101963623A (en) * 2009-07-22 2011-02-02 于向东 Electromagnetic pulse double-hammer rapping ash-removal type pulverized-coal flow velocity measuring device
CN103341314A (en) * 2013-07-29 2013-10-09 新疆宜化化工有限公司 Synthesis ammonia pre-reaction device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106987714A (en) * 2017-04-10 2017-07-28 赣州科源甬致科技有限公司 One kind extracts the nickel sulfate energy-saving extraction equipment of vibration from old and useless battery
CN107216908A (en) * 2017-07-23 2017-09-29 张家彬 A kind of used oil extraction tower pitch discharge technique
CN107287018A (en) * 2017-08-06 2017-10-24 张家彬 A kind of process for regeneration of waste lubricating oil
CN107699332A (en) * 2017-08-16 2018-02-16 张家彬 A kind of waste lubricating oil extraction tower pitch discharge method
CN108003914A (en) * 2017-11-30 2018-05-08 广东电网有限责任公司电力科学研究院 A kind of purification method of the benzyldithio toluene of insulating oil
CN108003914B (en) * 2017-11-30 2020-05-01 广东电网有限责任公司电力科学研究院 Method for purifying dibenzyl disulfide of insulating oil

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Application publication date: 20160622