CN105664586A - Waste engine oil recycling purification system - Google Patents
Waste engine oil recycling purification system Download PDFInfo
- Publication number
- CN105664586A CN105664586A CN201610132164.9A CN201610132164A CN105664586A CN 105664586 A CN105664586 A CN 105664586A CN 201610132164 A CN201610132164 A CN 201610132164A CN 105664586 A CN105664586 A CN 105664586A
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- Prior art keywords
- tank
- oil
- cleaning system
- filter
- micro
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Abstract
The invention relates to the technical field of waste oil purification and particularly discloses a waste engine oil recycling purification system. The purification system comprises a waste oil tank, a centrifugal machine, a transition tank, a micro-filtration membrane device, an oil purification tank, a blowdown drum and a first filter, wherein the blowdown drum is connected to the transition tank via the centrifugal machine, the transition tank is connected to the oil purification tank via the micro-filtration membrane device, the centrifugal machine and the micro-filtration membrane device are connected with the blowdown drum, and the first filter is connected between the waste oil tank and the blowdown drum. After waste engine oil is processed by the purification system, additive elements and basicity are both reduced within 10%, the engine oil can be recycled without adding additive elements again or adjusting the basicity of the engine oil again, and thus the use cost of the engine oil is reduced greatly.
Description
Technical field
The present invention relates to sump oil purification technical field, in particular disclose a kind of used oil cycling and reutilization cleaning system.
Background technology
The electromotor of gasoline engine or diesel engine is in debugging process of dispatching from the factory, it is required for using machine oil, the dispatch from the factory new machine oil of debugging of electromotor uses after once and cannot reuse with regard to blackening, if the machine oil after once being used directly to scrap place and comprehend the use cost being greatly increased machine oil.
Prior art mostly adopt Electrostatic Absorption method or balancing charge method used oil is processed, used oil process after again with, in machine oil after the process of Electrostatic Absorption method, additive element declines about 40%, need to rejoin additive element just can reuse, be unfavorable for the reduction of machine oil use cost. Balancing charge method process after machine oil in additive element decline about 75%, basicity value declines about 90%, it is necessary to rejoin additive element, and need to readjust basicity value and just can reuse, and is unfavorable for the reduction of machine oil use cost equally.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, it is an object of the invention to provide a kind of used oil cycling and reutilization cleaning system, used oil is after treatment without adding additive element, and also the basicity value without adjusting machine oil gets final product cycling and reutilization, is substantially reduced the use cost of machine oil.
For achieving the above object, a kind of used oil cycling and reutilization cleaning system of the present invention, including slop tank, centrifuge, transition tank, micro-filtration membrane device, absolute oil tank, blowdown drum and the first filter, slop tank machine by centrifugation is connected to transition tank, transition tank is connected to absolute oil tank through micro-filtration membrane device, centrifuge, micro-filtration membrane device are all connected with blowdown drum, and the first filter is connected between slop tank and blowdown drum.
Preferably, described cleaning system also includes heater, and heater is connected between slop tank and centrifuge.
Preferably, described cleaning system also includes the second filter, and the second filter is connected between heater and centrifuge.
Preferably, described cleaning system also includes the first loop, and the two ends in the first loop connect transition tank and heater respectively.
Preferably, described cleaning system also includes recoiling device, and recoiling device is connected to micro-filtration membrane device.
Preferably, described recoiling device is air compression tank or recoil oil pump, and recoil oil pump is connected with absolute oil tank.
Preferably, described cleaning system also includes the 3rd filter, and used oil is delivered to slop tank through the 3rd filter.
Preferably, described cleaning system also includes emergency valve, and slop tank is communicated in micro-filtration membrane device through emergency valve.
Preferably, described transition tank is provided with the first overfall, and the first overfall connects with slop tank.
Preferably, described absolute oil tank is provided with the second overfall, and the second overfall connects with transition tank.
Beneficial effects of the present invention: pending used oil is extracted in slop tank through lift suction pump, used oil in slop tank flows in centrifuge, solid particle in machine oil is filtered after processing by machine by centrifugation, then flow in transition tank, machine oil in transition tank flows in micro-filtration membrane device again, filters the absolute oil after totally through micro-filtration membrane device and flows in absolute oil tank; After the cleaning system of the present invention processes, additive element and basicity value in machine oil decline all within 10%, without rejoining additive element, also the basicity value without readjusting machine oil by the absolute oil cycling and reutilization in absolute oil tank, can be substantially reduced the use cost of machine oil.
Accompanying drawing explanation
Fig. 1 is the purification process figure of the present invention.
Accompanying drawing labelling includes:
11 slop tank 12 transition tank 13 absolute oil tanks
14 blowdown drum 2 centrifuge 3 micro-filtration membrane devices
41 first filter 42 second filter 43 the 3rd filters
5 heater 61 first loop 62 second servo loops
71 big pump 72 little pump 81 air compression tank
82 recoil oil pumps.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Refer to Fig. 1, a kind of used oil cycling and reutilization cleaning system of the present invention, including slop tank 11, centrifuge 2, transition tank 12, micro-filtration membrane device 3, absolute oil tank 13, blowdown drum 14 and the first filter 41, slop tank 11 machine 2 by centrifugation connects with transition tank 12, transition tank 12 connects with absolute oil tank 13 through micro-filtration membrane device 3, blowdown drum 14 is connected between centrifuge 2 and micro-filtration membrane device 3, and the first filter 41 is connected between slop tank 11 and blowdown drum 14.
Time actually used, pending used oil is extracted in slop tank 11 through lift suction pump, used oil in slop tank 11 is extracted in centrifuge 2 then through another lift suction pump, solid particle in machine oil is filtered after processing by machine 2 by centrifugation, then flow in transition tank 12, machine oil in transition tank 12 is extracted in micro-filtration membrane device 3 through another lift suction pump, filters the absolute oil after totally through micro-filtration membrane device 3 and flows in absolute oil tank 13; After the cleaning system of the present invention processes, additive element and basicity value in machine oil decline all within 10%, without rejoining additive element, also the basicity value without readjusting machine oil by the absolute oil cycling and reutilization in absolute oil tank 13, can be substantially reduced the use cost of machine oil.
In the present embodiment, centrifuge 2 adopts disk centrifugal separator, disk centrifugal separator is the one of vertical centrifugal machine, by actuating device by motor-driven rotary drum high speed rotating, one group of video disc being nested together mutually is installed in rotary drum, video disc is for shortening the sedimentation interval of solid particle, expand the settling area of rotary drum, only small gap is left between video disc and video disc, used oil is entered into rotary drum by the feed pipe being positioned at rotary drum center, when used oil flows through the gap between video disc, solid particle is deposited to formation sediment on video disc under centrifuge 2 acts on, sediment slides along disc surface and then departs from video disc and accumulate in the position that rotary drum interior diameter is maximum, machine oil after separation discharges rotary drum from liquid outlet.The sediment accumulated in rotary drum takes rotary drum apart by manually removing after centrifuge 2 is shut down, or is automatically drained out from rotary drum in non-stop-machine situation by slagging device, it is preferable that centrifuge 2 adopts slagging device automatic discharge.
In the present embodiment, micro-filtration membrane device 3 is with aluminium oxide, titanium oxide, zirconium oxides etc. are through the secondary filter material with loose structure of high temperature sintering, micro-filtration membrane device 3 generally comprises porous support layer, transition zone and microporous film layers, three layers is asymmetric distribution, in microporous film layers, the aperture of micropore is substantially between 0.1～1 micron, filtering accuracy contains microfiltration, ultrafiltration, nanofiltration, micro-filtrate membrane filtration is the fluid separation process of a kind of " cross flow filter " form, used oil is flow at high speed in membrane tube, under pressure (substantially between 0.7～7kPa) drives, absolute oil containing small molecule component is along vertical with direction of engine oil flow outwardly directed through microporous film layers, and then it is flowed in absolute oil tank 13, muddy concentrated solution containing macromolecular components is retained by microporous film layers, and be flowed in transition tank 12 and again filtered, so that used oil reaches to purify, separate, the purpose of concentration.
Dense residual oil after described centrifuge 2 and micro-filtration membrane device 3 filtration is drained in blowdown drum 14, blowdown drum 14 is provided with liquidometer, after the soiling solution in blowdown drum 14 reaches setting value, dense residual oil in slop tank 11 is pumped in the first filter 41 through lift suction pump and filters, machine oil after first filter 41 filtration is flowed into slop tank 11 filtered process again, as much as possible the machine oil in used oil is all reclaimed, it is to avoid machine oil is wasted.
In the present embodiment, first filter 41 is bag filter, the filtering accuracy of bag filter is set as between 0.5～1.0 micron, as required, single filter, cascade filtration or three-stage filtration etc. can be set as by bag filter, user can regularly clear up the dregs of fat in bag filter, for instance, cleaning one in 10 hours is inferior.
Described cleaning system also includes heater 5, and heater 5 is connected between slop tank 11 and centrifuge 2. Heater 5 is provided with temperature inductor, and heater 5, for used oil is heated to predetermined temperature, such as 60～90 DEG C, increases the mobility of used oil, it is to avoid the pipeline of machine oil blocking conveying machine oil. Additionally, machine oil is different to the sensitivity of temperature from solid particle, by heating machine oil, the separation function for follow-up centrifuge 2 is prepared so that machine oil separates more easily with solid particle, effectively filters out the solid particle in machine oil.
Described cleaning system also includes the second filter 42, and the second filter 42 is connected between heater 5 and centrifuge 2. In the present embodiment, second filter 42 is magnetic filter, the second filter 42 is utilized to be filtered by the magnetic foreign material (particulate matter etc. such as iron content, cobalt or nickel) in used oil, used oil in slop tank 11 extracts heater via the 5, second filter 42 successively through lift suction pump and is flowed in transition tank 12, being additionally provided with the first overfall (not shown) on transition tank 12, the first overfall is connected to slop tank 11 through oil pipe; When the liquid level in transition tank 12 is higher, the machine oil in transition tank 12 is back in slop tank 11 through the first overfall, it is preferable that the first overfall is positioned at the top of slop tank 11. According to actual needs, the dregs of fat in timing cleaning the second filter 42, for instance every cleaning in 6 months once.
In the present embodiment, being provided with two different flow lift suction pumps between slop tank 11 and heater 5, respectively big pump 71 and little pump 72, big pump 71 is connected in parallel to each other with little pump 72, by arranging two lift suction pumps, plays the effect of a preparation and a use;Use safely in order to ensure cleaning system of the present invention, cleaning system is additionally provided with the first loop 61, during actual installation, one end connection transition tank 12 in the first loop 61, the first loop 61 is successively by switch valve, lift suction pump (i.e. big pump 71 or little pump 72) connection heater 5. Big pump 71 is as general service pump (also can using little pump 72 as stand-by pump), when the demand of absolute oil tank 13 is less, liquid level in transition tank 12 rises, when the liquid level in transition tank 12 rises to predetermined fluid level value, big pump 71 quits work, and little pump 72 starts starts working, now, in centrifuge 2 unit interval, oil inlet quantity is less and play the effect of " low load with strong power ", and the processing accuracy of used oil can be higher. In addition; after little pump 72 starts; if the liquid level in transition tank 12 also continues to rise; when the liquid level in transition tank 12 rises to another setting level value; the switch valve connecting slop tank 11 and lift suction pump (big pump 71 and little pump 72) can cut out; and the switch valve connecting transition tank 12 and lift suction pump is opened, the machine oil that little pump 72 extracts in transition tank 12 is circulated process.
In the present embodiment, described absolute oil tank 13 is additionally provided with the second overfall (not shown), second overfall is connected by oil pipe with transition tank 12, when the liquid level in absolute oil tank 13 rises to predetermined fluid level value, absolute oil in absolute oil tank 13 is flowed in transition tank 12 by the second overfall, it is to avoid machine oil overfill in absolute oil tank 13 and overflow; Preferably, the second overfall is positioned at the top of transition tank 12.
Time actually used, absolute oil in described absolute oil tank 13 is delivered directly to use scene and uses, the same lift suction pump being provided with two different flows between transition tank 12 with micro-filtration membrane device 3, it is similarly big pump 71 or little pump 72, cleaning system also includes second servo loop 62, and the two ends of second servo loop 62 connect absolute oil tank 13 and lift suction pump (i.e. big pump 71 or little pump 72) respectively. Big pump 71(or little pump 72) as general service pump, when using on-the-spot machine oil demand less, the engine oil level of absolute oil tank 13 rises, when liquid level reaches to set level value, big pump 71 quits work, and little pump 72 starts and starts working; when little pump 72 works; only part micro-filtration membrane device 3 works, and remainder micro-filtration membrane device 3, through recoiling after totally, is in resting state. When little pump 72 works, if the engine oil level of absolute oil tank 13 continues to rise and reach another setting level value, the switch valve connecting transition tank 12 and lift suction pump (big pump 71 and little pump 72) can cut out, and the switch valve connecting absolute oil tank 13 and lift suction pump is opened; the absolute oil that little pump 72 extracts absolute oil tank 13 is circulated process, it is ensured that cleaning system is used safely.
Described cleaning system also includes recoiling device, recoiling device is connected with micro-filtration membrane device 3, in the present embodiment, recoiling device is air compression tank 81 or recoil oil pump 82, when recoiling device is air compression tank 81, air compression tank 81 is connected directly to the recoil mouth of micro-filtration membrane device 3, now utilizes compression air that micro-filtration membrane device 3 is carried out backwash; When recoiling device is for recoil oil pump 82, absolute oil tank 13 connects the recoil mouth of micro-filtration membrane device 3 through recoil oil pump 82, now utilizes the absolute oil in absolute oil tank 13 that micro-filtration membrane device 3 carries out backwash; Certainly, according to actual needs, compression air also can be adopted with absolute oil to mix the backwashing manner used. Time actually used, set backwash frequency and the backwashing time of micro-filtration membrane device 3 according to specific needs, for instance, micro-filtration membrane device 3 carried out a backwash every 4 hours, and backwashing time is 5 minutes.
Described cleaning system also includes the 3rd filter 43, and used oil is delivered to slop tank 11 through the 3rd filter 43. Time actually used, the 3rd filter 43 is connected with using scene, use the used oil at scene to extract through lift suction pump, filter then through the 3rd filter 43, be then flowed in slop tank 11. Utilize the 3rd filter 43 that used oil is carried out coarse filtration, solid particulate matter larger-size in used oil is tentatively filtered, purify ready for follow-up used oil. In the present embodiment, owing to machine oil is used primarily in the electromotor of iron content material, used oil is often mixed into more iron content particulate matter, preferably, the 3rd filter 43 adopts magnetic filter, certainly, according to specific needs, select the filtering accuracy suited the requirements, for instance, the 3rd filter 43 adopts submicron order superferromagnetism filter. According to actual needs, to the 3rd filter 43 periodic cleaning, for instance, the dregs of fat in cleaning one order three filters 43 at quarterly intervals.
Described cleaning system also includes emergency valve, and slop tank 11 is connected with micro-filtration membrane device 3 by oil pipe through emergency valve. When centrifuge 2 needs scarfing cinder or damage to change, close the lift suction pump between slop tank 11 and heater 5, open emergency valve, used oil in slop tank 11 is directly entered micro-filtration membrane device 3 and is filtered, avoid stopping whole cleaning system because of centrifuge 2 scarfing cinder or replacing, promote the purification efficiency of cleaning system further.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, and this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a used oil cycling and reutilization cleaning system, it is characterized in that: include slop tank, centrifuge, transition tank, micro-filtration membrane device, absolute oil tank, blowdown drum and the first filter, slop tank machine by centrifugation is connected to transition tank, transition tank is connected to absolute oil tank through micro-filtration membrane device, centrifuge, micro-filtration membrane device are all connected with blowdown drum, and the first filter is connected between slop tank and blowdown drum.
2. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described cleaning system also includes heater, and heater is connected between slop tank and centrifuge.
3. used oil cycling and reutilization cleaning system according to claim 2, it is characterised in that: described cleaning system also includes the second filter, and the second filter is connected between heater and centrifuge.
4. used oil cycling and reutilization cleaning system according to claim 2, it is characterised in that: described cleaning system also includes the first loop, and the two ends in the first loop connect transition tank and heater respectively.
5. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described cleaning system also includes recoiling device, and recoiling device is connected to micro-filtration membrane device.
6. used oil cycling and reutilization cleaning system according to claim 5, it is characterised in that: described recoiling device is air compression tank or recoil oil pump, and recoil oil pump is connected with absolute oil tank.
7. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described cleaning system also includes the 3rd filter, and used oil is delivered to slop tank through the 3rd filter.
8. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described cleaning system also includes emergency valve, and slop tank is communicated in micro-filtration membrane device through emergency valve.
9. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described transition tank is provided with the first overfall, and the first overfall connects with slop tank.
10. used oil cycling and reutilization cleaning system according to claim 1, it is characterised in that: described absolute oil tank is provided with the second overfall, and the second overfall connects with transition tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132164.9A CN105664586A (en) | 2016-03-09 | 2016-03-09 | Waste engine oil recycling purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132164.9A CN105664586A (en) | 2016-03-09 | 2016-03-09 | Waste engine oil recycling purification system |
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| CN105664586A true CN105664586A (en) | 2016-06-15 |
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| CN201610132164.9A Pending CN105664586A (en) | 2016-03-09 | 2016-03-09 | Waste engine oil recycling purification system |
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| CN105964049A (en) * | 2016-07-21 | 2016-09-28 | 苏州誉衡兴自动化科技有限公司 | Filtering mechanism for automatic machine tool lubricating oil |
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| CN107626145A (en) * | 2017-09-30 | 2018-01-26 | 东莞安默琳机械制造技术有限公司 | Glass grinding fluid ultra-filtration system and its method |
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN108614599A (en) * | 2016-08-26 | 2018-10-02 | 穆勇华 | From outside purification and thermally equilibrated JP cabinets intelligent constant-temperature device |
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| CN108803716A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | Has the energy saving JP cabinets intelligent constant-temperature device of convenient draining self-purification function |
| CN108803713A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | The cold balanced type refrigerating and heating combined equipment of electrical JP cabinets |
| CN108803720A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | The JP cabinet intelligent constant-temperature devices of internal auto purification and refrigeration safety |
| CN108803718A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | The small JP cabinet intelligent constant-temperature devices of heat differential in energy-saving high heat conduction case |
| CN108803717A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | The small JP cabinet intelligent constant-temperature devices of the high heat conduction temperature difference |
| CN108919852A (en) * | 2016-08-26 | 2018-11-30 | 穆勇华 | The intelligent constant-temperature device of JP electrical cabinet realization oil circuit purifying property |
| CN108803714A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | Electrical JP cabinet thermal equilibrium type refrigerating and heating combined equipments |
| CN108614599A (en) * | 2016-08-26 | 2018-10-02 | 穆勇华 | From outside purification and thermally equilibrated JP cabinets intelligent constant-temperature device |
| CN108803721A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | External repairing purifies equal cold mould JP cabinets intelligent constant-temperature device |
| CN108803715A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | The refrigerating and heating combined equipment of JP cabinets constant temperature even-heating high energy efficiency |
| CN108803719A (en) * | 2016-08-26 | 2018-11-13 | 穆勇华 | Energy-saving high heat conduction JP cabinets intelligent constant-temperature device |
| CN108845597A (en) * | 2016-08-26 | 2018-11-20 | 穆勇华 | Can alarm and in case Low Temperature Difference JP cabinet intelligent constant-temperature device |
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN107626145A (en) * | 2017-09-30 | 2018-01-26 | 东莞安默琳机械制造技术有限公司 | Glass grinding fluid ultra-filtration system and its method |
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Application publication date: 20160615 |