CN105885940A - System using waste engine oil to extract diesel oil - Google Patents
System using waste engine oil to extract diesel oil Download PDFInfo
- Publication number
- CN105885940A CN105885940A CN201610478963.1A CN201610478963A CN105885940A CN 105885940 A CN105885940 A CN 105885940A CN 201610478963 A CN201610478963 A CN 201610478963A CN 105885940 A CN105885940 A CN 105885940A
- Authority
- CN
- China
- Prior art keywords
- oil
- tail gas
- condenser
- water seal
- diesel oil
- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
- C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
- C10G55/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
- C10G2300/1007—Used oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a system using waste engine oil to extract diesel oil. The system comprises a distillation tower for heating and distilling the engine oil, a reaction kettle for catalytic cracking reaction, a condenser and tail gas recycling device, wherein the recycling kettle is arranged above the distillation tower and communicated with the same, the reaction kettle is connected with the condenser, the condenser is connected with the tail gas recycling device through an oil guide pipe, the tail gas recycling device guides noncondensable oil gas into the distillation tower for combustion through a tail gas recycling pipe, and the prepared diesel oil is conveyed to an oil storage tank for storage. The system has the advantages that the production process of the whole system is performed under a sealed state, tail gas is conveyed to a hearth for combustion through the recycling system, and environment protection and energy conservation are achieved; double water seal is provided, a square water tank structure is used, and dangers such as explosion caused by backfire can be avoided effectively; the whole system is high in safety coefficient and long in service life.
Description
Technical field
The invention belongs to diesel oil and refine FIELD OF THE INVENTIONThe, particularly relate to a kind of system utilizing used oil refining diesel oil.
Background technology
Machine oil, i.e. engine lubricating oil, can play the effects such as lubrication anti-attrition, auxiliary cooling, sealing and anti-leakage, antirust corrosion protection, damping, buffering, be described as " blood " of automobile electromotor.Machine oil is made up of base oil and additive two parts.Machine oil in use, owing to the consumption of additive and the generation of impurity can make its quality gradually be deteriorated, is even changed so that supplement in time.The used oil changed at present is burnt usually used as fuel, wastes resource；Some is the most arbitrarily outwelled, and result causes the severe contamination of soil, water quality.For recycling used oil, there is now some used oil refining equipments, can be used for refining diesel oil or gasoline, but its service life is short, only 1-2；Blast can be produced during gas circuit tempering, the safest.
Summary of the invention
The present invention is directed to above-mentioned technical problem, propose a kind of rational in infrastructure, service life is long, and the environment-friendly type diesel oil that can make full use of the energy refines system.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of system utilizing used oil refining diesel oil, including the distillation column for heating and distill machine oil, carry out the reactor of catalytic cracking reaction, condenser and tail gas recycle device, reactor is arranged on above distillation column and in communication, reactor connects condenser, condenser is connected with tail gas recycle device through oil guide pipe, and non-congealable oil conductance is entered distillation column by tail gas recycle pipe and burns by tail gas recycle device.Described distillation column includes that oil refining cauldron, described pot bottom part cave inward, and the bottom of a pan is provided centrally with hanging column, and hanging column is fixed above in shell upper；The back side, the described the bottom of a pan is welded with reinforcement, forms soldering-tin layer by scolding tin spot welding between reinforcement.Tail gas recycle device includes the first water seal and the second water seal being sequentially connected with, and described water seal includes the cubic water tank filling water.
As preferably, between described hanging column and the bottom of a pan, it is provided with triangle reinforcement.
As preferably, distillation column cover top portion arranges catch basin.
As preferably, in described condenser, it is provided with many vertically arranged condensing tubes.
As preferably, described distillation column also includes that shell, burner hearth, described burner hearth are arranged on outer casing bottom, and oil refining cauldron is arranged on above burner hearth, is provided with heat-insulation layer in described shell.
As preferably, the first water seal is connected with the water tank upper of the second water seal muffler, and middle part connects to be had and turn oil pipe, and the first water tank upper is additionally provided with the tail gas recycle pipe delivering the gas to hearth combustion.
As preferably, in described reactor, it is placed with decomposition agent, pour-point depressant and decolouring and deodorizing agent.
As preferably, described condenser oil guide pipe inserts 5-15cm under the first water seal water.
Compared with prior art, advantages of the present invention and having the active effect that
1. the production process of a whole set of distillation system is carried out under air-tight state, and the recovered system of tail gas is delivered to hearth combustion, environmental protection and energy saving.
2. double seal is set, and uses cubic water tank structure, be prevented effectively from the danger such as the blast that causes of tempering.
3. condenser uses vertical condensing tube, effectively prevents condensing tube from blocking, it is to avoid system pressure increases and causes blast.
4. arranging the oil refining cauldron of special construction in distillation column, service life is long, and maintenance rate is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of refining diesel oil system of the present invention；
Fig. 2 is the oil refining cauldron structure chart of refining diesel oil system of the present invention；
In the most each figure: 1, distillation column；11, oil refining cauldron；111, hanging column；112, soldering-tin layer；12, shell；121, charging aperture；13, burner hearth；14, cinder chamber；15, catch basin；2, reactor；21, catalyst；3, condenser；31, condenser casing；32, condensing tube；33, air inlet pipe；34, oil guide pipe；4, tail gas recycle device；41, the first water seal；411, water tank；412, oil pipe is turned；413, tail gas recycle pipe；414, slag notch；42, the second water seal；421, muffler；422, flowline；5, oil storage tank.
Detailed description of the invention
In order to be better understood from the present invention, illustrate with embodiment below in conjunction with the accompanying drawings.
Embodiment: as shown in Figure 1 and Figure 2, a kind of system utilizing used oil refining diesel oil, including the distillation column 1 for heating and distill machine oil, carry out the reactor 2 of catalytic cracking reaction, condenser 3 and tail gas recycle device 4, reactor 2 is arranged on above distillation column 1 and in communication, reactor 2 connects condenser 3, condenser 3 is connected with tail gas recycle device 4 through oil guide pipe 34, non-congealable oil conductance is entered distillation column 1 by tail gas recycle pipe 413 and burns by tail gas recycle device 4, and the diesel oil of final preparation is delivered to oil storage tank 5 and stores.
Described distillation column 1 includes shell 12, burner hearth 13 and oil refining cauldron 11.Shell 12 includes cylindrical shape Stainless Steel Shell, arranges heat-insulation layer in housing.Burner hearth 13 is arranged on bottom shell 12, burner hearth 13 incendivity coal or firewood, it is possible to use gas heating.It is additionally provided with aerator, to increase combustion air in burner hearth 13.Being provided with separation net bottom burner hearth 13, be cinder chamber 14 below separation net, the lime-ash of remaining after combustion falls directly in cinder chamber 14, easy cleaning.Be additionally provided with charging aperture 121 and slag-drip opening on distillation column 1, by pump and petroleum pipeline, used oil added to oil refining cauldron 11, refine complete after discharge the dregs of fat through slag-drip opening.
Burner hearth 13 is arranged above oil refining cauldron 11.Oil refining cauldron 11 includes that pot, pot include top pot wall and the bottom of a pan of bottom.Described pot bottom part is inwardly protruding, and bottom can be beaten by the back side by common circle of sharp end oil refining iron pan and be formed by this type of pot inwards, and common iron pan is prone to buy；Can also die sinking manufacture bottom gently or slightly inward protruding dedicated pot.The bottom of a pan is mild or inwardly protruding, and more common circular arc type oil refining cauldron 11 bottom area increases, and during oil refining, the dregs of fat are laid in the bottom of a pan, and dregs of fat thickness is little, effectively weaken the heat-blocking action of dregs of fat layer, make the used oil in pot be heated fully.For increasing the service life of oil refining cauldron 11, usual employing increases pot thickness approach, but oil refining cauldron 11 easy fall in flakes, especially the bottom of a pan part after long-term heating.For avoiding oil refining cauldron 11 flaking, reinforcement is welded in the back side, the bottom of a pan by the oil refining cauldron 11 described in the present embodiment, is then coated from level to level by soldering-tin layer 112 between reinforcement, forms soldering-tin layer 112.Reinforcement is reinforcing bar or strip steel disc, if steel disc, the vertical the bottom of a pan of steel disc is arranged.Reinforcement is M shape arrangement, and scolding tin spot welding is passed through in the space between reinforcement, until forming the soldering-tin layer 112 after 5-15cm.Reinforcement not only can reinforce pot itself, it is possible to increases the contact area of soldering-tin layer 112 and pot, prevents soldering-tin layer 112 entirety from coming off.Soldering-tin layer 112 heat conductivity is good, and will not peel off as iron and steel, and long-term heating does not comes off yet.Bottom of pot body has the protection of soldering-tin layer 112, and pot itself, without thickening, makes pot overall weight alleviate, and facilitates the operations such as installation, maintenance.
For the most fixing oil refining cauldron 11, in its pot, center is provided with hanging column 111.Hanging column 111 upper end is arranged on shell 12 roof, and bottom support and mid-mounting make oil refining cauldron 11 to be firmly fixed.
Place catalyst 21 in described reactor 2, mainly have decomposition agent, pour-point depressant and decolouring and deodorizing agent.Machine oil is after preliminary catalytic cracks, and dye more black and frowziness.Adding decolouring and deodorizing agent in reactor 2, can integrate remove impurity de-flavored discolored, production efficiency is high.
Described condenser 3 includes the air inlet pipe 33 of coupled reaction still, condenser casing 31 and the condensing tube 32 of the internal many vertical arrangements arranged, and has the condensed water of flowing between condensing tube 32 and condenser casing 31.Traditional condenser 3 internal condensation pipe 32 is helical form arrangement from top to bottom, and diesel oil forms floccule at the condensing tube 32 Nei Yiyin dregs of fat etc., blocks condensing tube 32.After condensing tube 32 blocking, system pressure increases severely, and will cause blast time serious.The present embodiment condensing tube 32 is set to vertically, even if forming floccule, floccule, in internal pressure and action of gravity, can automatically fall and avoid blocking pipeline.
Tail gas recycle device 4 includes the first water seal 41 and the second water seal 42 being sequentially connected with, and the second water seal 42 setting height(from bottom) is less than the first water seal 41.First, second water seal all includes rectangle water tank 411, fills a certain amount of water in water tank 411.Described condenser 3 oil guide pipe 34 inserts the first water seal 41 20cm under water.First water seal 41 is connected with water tank 411 top of the second water seal 42 muffler 421, and middle part connects to be had and turn oil pipe 412, turns the oil pipe one end water surface higher than the first water seal, and the other end is positioned at the 20cm under water of the second water seal.First water seal 41 top is additionally provided with the tail gas recycle pipe 413 delivering the gas to burner hearth 13 burning.The oil gas after answering still to react is put through catalysis, in condenser 3, liquefaction is liquid diesel, liquid diesel enters the first water seal 41 under water through oil guide pipe 34, hereafter oil floats up to the water surface and flows into the second water seal 42 under water through turning oil pipe 412, and the oil gas that can not coagulate is delivered to burner hearth 13 through tail gas recycle pipe 413 and burns.If the diesel oil in the second water seal 42 still has the oil gas that can not coagulate, cooled via return air pipe 421 to enter the top of the first water seal 41, burn by tail gas recycle pipe 413.Being provided with oil-out on the water tank 411 of the second water seal 42, diesel oil flow to oil storage tank 5 from oil-out through flowline 422 and stores.Be provided with slag notch 414 on the water tank 411 of first, second water seal, after life-time service, in water tank 411, the dregs of fat can be accumulated, can every one section time after clear up the dregs of fat from slag notch 414.Water seal makes whole cracking still-process carry out under anaerobic, and prevents combustible exhaust gas from blocking in water seal when flashing back during burning, increases safety coefficient.Water tank 411 is set to rectangle, and when there is tempering, water tank 411 tank wall expands, and absorbs expansive force, will not burst as cylindrical shape water tank 411.First, second water seal increases bilayer and ensures, safer.Combustible exhaust gas is delivered to burner hearth 13 by tail gas recycle pipe 413 and burns, it is to avoid directly discharge pollutes, and can save again a part of fuel.
For increasing the fastness of hanging column 111 and oil refining cauldron 11, described hanging column 111 bottom is set to horn-like, is welded with triangle reinforcement between hanging column 111 and the bottom of a pan.
Distillation column 1 shell 12 top arranges catch basin 15, during refining diesel oil, loads water by catch basin 15, rises relatively low with distillation column 1 roof temperature after the oil-gas heating in distillation column 1, and steam condensation falls after rise, enters reactor 2 after evaporation again.It was verified that the diesel quality arranging catch basin 15 refining is more preferable.
Described reactor 2 is additionally provided with secondary duct, is provided with the valve of switching on off state between secondary duct and former pipeline.When final stage refined by the machine oil in distillation column 1, the best referred to as wax oil of oil quality, now by valve transfer to secondary duct, the oil gas of evaporation is got rid of through secondary duct, does not reacts with the catalyst 21 in former pipeline, again refines after collection.Wax oil does not reacts with catalyst 21, can increase the use time of catalyst 21.
The production process of a whole set of distillation system is carried out under air-tight state, and the recovered system of tail gas is delivered to burner hearth 13 and burns, environmental protection and energy saving.Double seal is set, and uses cubic water tank 411 structure, be prevented effectively from the danger such as the blast that causes of tempering.Complete equipment safety coefficient is high, and service life is long.
The above; it it is only presently preferred embodiments of the present invention; it it is not the restriction that the present invention is made other form; any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as the Equivalent embodiments of equivalent variations is applied to other field; but it is every without departing from technical solution of the present invention content; any simple modification, equivalent variations and the remodeling made above example according to the technical spirit of the present invention, still falls within the protection domain of technical solution of the present invention.
Claims (8)
1. the system utilizing used oil refining diesel oil, it is characterized in that: include the distillation column for heating and distill machine oil, carry out the reactor of catalytic cracking reaction, condenser and tail gas recycle device, reactor is arranged on above distillation column and in communication, reactor connects condenser, condenser is connected with tail gas recycle device through oil guide pipe, and non-congealable oil conductance is entered distillation column by tail gas recycle pipe and burns by tail gas recycle device；
Described distillation column includes that oil refining cauldron, described pot bottom part cave inward, and the bottom of a pan is provided centrally with hanging column, and hanging column is fixed above in shell upper；The back side, the described the bottom of a pan is welded with reinforcement, forms soldering-tin layer by scolding tin spot welding between reinforcement；
Tail gas recycle device includes the first water seal and the second water seal being sequentially connected with, and described water seal includes the cubic water tank filling water.
The system utilizing used oil refining diesel oil the most according to claim 1, it is characterised in that: it is provided with triangle reinforcement between described hanging column and the bottom of a pan.
The system utilizing used oil refining diesel oil the most according to claim 1, it is characterised in that: distillation column cover top portion arranges catch basin.
4. according to the system utilizing used oil refining diesel oil described in Claims 2 or 3, it is characterised in that: it is provided with many vertically arranged condensing tubes in described condenser.
The system utilizing used oil refining diesel oil the most according to claim 4, it is characterised in that: described distillation column also includes that shell, burner hearth, described burner hearth are arranged on outer casing bottom, and oil refining cauldron is arranged on above burner hearth, is provided with heat-insulation layer in described shell.
The system utilizing used oil refining diesel oil the most according to claim 5, it is characterized in that: the first water seal is connected with the water tank upper of the second water seal muffler, middle part connects to be had and turns oil pipe, and the first water tank upper is additionally provided with the tail gas recycle pipe delivering the gas to hearth combustion.
The system utilizing used oil refining diesel oil the most according to claim 6, it is characterised in that: it is placed with decomposition agent, pour-point depressant and decolouring and deodorizing agent in described reactor.
The system utilizing used oil refining diesel oil the most according to claim 7, it is characterised in that: described condenser oil guide pipe inserts 15-25cm under the first water seal water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478963.1A CN105885940B (en) | 2016-06-28 | 2016-06-28 | A kind of system using used oil refining diesel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478963.1A CN105885940B (en) | 2016-06-28 | 2016-06-28 | A kind of system using used oil refining diesel oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105885940A true CN105885940A (en) | 2016-08-24 |
| CN105885940B CN105885940B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610478963.1A Expired - Fee Related CN105885940B (en) | 2016-06-28 | 2016-06-28 | A kind of system using used oil refining diesel oil |
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| Country | Link |
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| CN (1) | CN105885940B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957679A (en) * | 2017-04-14 | 2017-07-18 | 海南巨澜新能源有限公司 | A kind of Electromagnetic Heating processing waste oil system and its technique |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854272A (en) * | 2005-04-26 | 2006-11-01 | 李平 | Method for reducing finished product mobile oil and refining gasoline and diesel from waste mobile oil and its apparatus thereof |
| CN103013554A (en) * | 2012-12-18 | 2013-04-03 | 青岛福瑞斯生物能源科技开发有限公司 | Device and method for producing biodiesel with illegal cooking oil and waste engine oil |
-
2016
- 2016-06-28 CN CN201610478963.1A patent/CN105885940B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854272A (en) * | 2005-04-26 | 2006-11-01 | 李平 | Method for reducing finished product mobile oil and refining gasoline and diesel from waste mobile oil and its apparatus thereof |
| CN103013554A (en) * | 2012-12-18 | 2013-04-03 | 青岛福瑞斯生物能源科技开发有限公司 | Device and method for producing biodiesel with illegal cooking oil and waste engine oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957679A (en) * | 2017-04-14 | 2017-07-18 | 海南巨澜新能源有限公司 | A kind of Electromagnetic Heating processing waste oil system and its technique |
| CN106957679B (en) * | 2017-04-14 | 2019-09-03 | 海南巨澜新能源有限公司 | A kind of electromagnetic heating processing waste oil system and its technique |
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| Publication number | Publication date |
|---|---|
| CN105885940B (en) | 2017-12-22 |
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Granted publication date: 20171222 Termination date: 20200628 |