CN209836119U - Automobile-used useless lubricating oil preprocessing device - Google Patents
Automobile-used useless lubricating oil preprocessing device Download PDFInfo
- Publication number
- CN209836119U CN209836119U CN201920605864.4U CN201920605864U CN209836119U CN 209836119 U CN209836119 U CN 209836119U CN 201920605864 U CN201920605864 U CN 201920605864U CN 209836119 U CN209836119 U CN 209836119U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- electromagnetic valve
- adsorption
- electro
- 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.)
- Active
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 61
- 238000007781 pre-processing Methods 0.000 title description 5
- 239000003921 oil Substances 0.000 claims abstract description 140
- 238000001179 sorption measurement Methods 0.000 claims abstract description 79
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000000746 purification Methods 0.000 claims abstract description 28
- 230000008676 import Effects 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 10
- 238000004062 sedimentation Methods 0.000 abstract description 8
- 238000005189 flocculation Methods 0.000 abstract description 5
- 230000016615 flocculation Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000001704 evaporation Methods 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The utility model discloses a vehicle used lubricating oil pretreatment device, which comprises an oil storage tank, an oil inlet pump, an electromagnetic heater, a negative pressure flash tank, a vacuum pump, an oil discharge pump, an electro-adsorption purification unit and a fine filter unit, wherein the oil storage tank is connected with the oil inlet pump through a first pipeline, the oil inlet pump is connected with the electromagnetic heater through a second pipeline, the electromagnetic heater is connected with the negative pressure flash tank through a third pipeline, a first outlet at the upper end of the side wall of the negative pressure flash tank is connected with a vacuum pump through a fourth pipeline, a second outlet at the bottom of the negative pressure flash tank is connected with an oil discharge pump through a fifth pipeline, the oil discharge pump is connected with an electric adsorption purification unit through a sixth pipeline, the electric adsorption purification unit is connected with a precision filter unit through a seventh pipeline, the device can solve the problems of low sedimentation efficiency, long sedimentation period, low mechanical filtration precision, low flocculation sedimentation yield, equipment corrosion and the like in the pretreatment process of the waste lubricating oil for vehicles.
Description
Technical Field
The utility model relates to the technical field of waste lubricating oil treatment, in particular to a pretreatment device for waste lubricating oil for vehicles,
Background
The yield of lubricating oil in China is about 2 percent of the total amount of petroleum products, the consumption is more than 400 million tons every year, the lubricating oil can cause various faults of a machine after going bad to a certain degree when being used for a period of time, the lubricating oil cannot play a good lubricating role and must be replaced, the amount of waste engine oil replaced in China is about 30 to 40 percent of the total amount of the lubricating oil every year, in addition, the leakage of the machine is added, the amount of the waste engine oil is larger, along with the improvement of the national mechanization, the more lubricating oil is used, and the more waste engine oil is generated.
At present, the well-known pretreatment technology of the waste lubricating oil for the vehicle comprises heating sedimentation, mechanical filtration, flocculation sedimentation and the like, wherein the heating sedimentation process mainly utilizes steam to heat the waste lubricating oil for viscosity reduction, hydrocarbon substances and impurities in the waste lubricating oil realize natural sedimentation separation due to different densities, the hydrocarbon substances are arranged at the upper part, the impurities are arranged at the lower part, but the density difference is smaller, the sedimentation separation period is longer, the efficiency is lower, and oxidized polar organic matters in the oil cannot be separated; the mechanical filtration mainly utilizes a microporous structure of a filter element material to screen and filter particulate impurities in the lubricating oil product, but the mechanical filtration only can filter the mechanical impurities in the oil product, but does not filter fluid impurities such as organic naphthenic acid, alkaline nitrogen, bound water, metal salts and the like generated by oxidizing the lubricating oil in the using process, has low filtration precision, and still has a relatively serious coking tendency in the high-temperature heating process; flocculating settling is mainly to add the flocculating agent to useless lubricating oil, makes the impurity flocculation in the useless lubricating oil be called large granule material or flocculation thing, separates out from useless lubricating oil after settling process, but can extra impurity ion of introducing at the flocculating agent that adds, can produce comparatively serious corrosion to later stage distillation course of working, and the disengaging process is not thorough moreover, contains a large amount of oils in the sediment, and it is low to become regeneration base oil yield.
Disclosure of Invention
An object of the utility model is to provide an automobile-used useless lubricating oil preprocessing device to overcome current automobile-used useless lubricating oil preprocessing in-process subside the efficiency low, subside the cycle length, mechanical filter fineness is low and the flocculation subsides the yield and hangs down and cause the equipment corrosion scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an automobile-used useless lubricating oil preprocessing device, includes batch oil tank, oil feed pump, electromagnetic heater, negative pressure flash tank, vacuum pump, oil extraction pump, electric adsorption purification unit, fine filter unit, the batch oil tank is connected with the import of oil feed pump through first pipeline, the export of oil feed pump is connected with electromagnetic heater's import through the second pipeline, electromagnetic heater's export through the third pipeline with the import of negative pressure flash tank is connected, the first exit of negative pressure flash tank lateral wall upper end has the vacuum pump through fourth pipe connection, the second export of negative pressure flash tank bottom is connected with the import of oil extraction pump through the fifth pipeline, the export of oil extraction pump is through sixth pipe connection electric adsorption purification unit, electric adsorption purification unit passes through seventh pipe connection precision filter unit.
Furthermore, a moisture tester is arranged on the fourth pipeline.
Further, a first electromagnetic valve is arranged at the inlet end of the first pipeline.
Furthermore, a second electromagnetic valve is connected to the inlet end of the fifth pipeline, which is close to the oil discharge pump.
Furthermore, a first loop pipeline is connected between the second outlet end and the inlet end of the oil inlet pump, and a third electromagnetic valve is arranged on the first loop pipeline.
Furthermore, a flow detector is arranged on the sixth pipeline.
Furthermore, the electro-adsorption purification unit comprises a plurality of electro-adsorption filters, each electro-adsorption filter comprises an adsorption cylinder, an oil inlet, an oil outlet, an oil inlet pipeline, an oil outlet pipeline, a first sewage discharge port and an electro-adsorption refined filter element, the oil inlet and the oil outlet are respectively arranged at the side positions of the lower part and the upper part of the adsorption cylinder, the oil inlet is connected with the oil inlet pipeline, the oil outlet is connected with the oil outlet pipeline, the first sewage discharge port is arranged at the bottom of the adsorption cylinder, the electro-adsorption refined filter element is arranged in the middle of the adsorption cylinder, each oil inlet pipeline is respectively connected with a sixth pipeline, each oil outlet pipeline is respectively connected with a seventh pipeline, each oil inlet pipeline is provided with a fourth electromagnetic valve, each oil outlet pipeline is provided with a fifth electromagnetic valve, and a second loop pipeline is arranged between the discharge port of the previous electro-adsorption filter and the feed port of the next electro-adsorption filter, and a sixth electromagnetic valve is arranged on the second loop pipeline.
Furthermore, the precision filter unit comprises a plurality of precision filters which are connected in series in sequence, glass fiber filter elements are arranged in each precision filter respectively, the pore size of each glass fiber filter element is gradually reduced, and the bottom of each precision filter is provided with a second sewage outlet respectively.
The device further comprises a controller, wherein the controller is electrically connected with the electromagnetic heater, the negative pressure flash tank, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the moisture tester and the flow detector.
Compared with the prior art, the beneficial effects of the utility model are that:
the method comprises the steps that an electromagnetic heater, a negative-pressure flash tank, an electric adsorption purification unit and a fine filter unit are arranged in a waste lubricating oil pretreatment device, a combined pretreatment process technology of electromagnetic heating → negative-pressure flash tank → electric adsorption refining → fine filtration is adopted, the electromagnetic heater is used for heating and raising the temperature to reduce the viscosity, the intermolecular force of oil molecules and water molecules is reduced, and free water in the waste lubricating oil and light components generated by the decomposition of the lubricating oil are separated through flash evaporation; the flash-evaporated oil material is used for adsorbing, stripping and separating polar charged substances such as organic naphthenic acid, alkaline nitrogen, bound water, metal salt colloid, asphaltene and the like in the oil product under the action of a three-dimensional electrostatic field of an electro-adsorption filter; the oil product after electro-adsorption purification treatment is filtered and removed by a fine filter through the micropore screening effect of a precise filter element, so that the mechanical impurity content, the metal element content, the ash content, the carbon residue and the like of the oil product are obviously reduced to the surface, and the heating coking tendency of the waste lubricating oil is delayed.
Drawings
Fig. 1 is a schematic plan view of the present invention;
in the figure: the device comprises an oil storage tank 1, an oil inlet pump 2, an electromagnetic heater 3, a negative-pressure flash tank 4, a vacuum pump 5, an oil discharge pump 6, an electric adsorption purification unit 7, a precision filter unit 8, a first pipeline 9, a second pipeline 10, a third pipeline 11, a first outlet 41, a fourth pipeline 42, a second outlet 43, a fifth pipeline 45, a sixth pipeline 61, a flow detector 62, a seventh pipeline 63, a moisture tester 44, a first electromagnetic valve 12, a second electromagnetic valve 13, a first loop pipeline 14, a third electromagnetic valve 15, an electric adsorption filter 71, an adsorption cylinder 711, an oil inlet 712, an oil outlet 713, an oil inlet pipeline 714, an oil outlet pipeline 715, a first drain 716, an electric adsorption refined filter element 717, a fourth electromagnetic valve 718, a fifth electromagnetic valve 719, a second loop pipeline 720, a sixth electromagnetic valve 721, an oil inlet 712, an oil outlet 713, an oil outlet pipeline 714, A precision filter 81, a glass fiber filter element 82 and a second sewage outlet 83.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to the attached drawings, the embodiment of the utility model discloses a pretreatment device for waste lubricating oil for vehicles, which comprises an oil storage tank 1, an oil inlet pump 2, an electromagnetic heater 3 and a negative pressure flash tank 4, vacuum pump 5, oil extraction pump 6, electro-adsorption purification unit 7, precision filter unit 8, oil storage tank 1 is connected with the import of oil feed pump 2 through first pipeline 9, the export of oil feed pump 2 is connected with electromagnetic heater 3's import through second pipeline 10, electromagnetic heater 3's export is connected with negative pressure flash tank 4's import through third pipeline 11, the 41 departments of the first export in negative pressure flash tank 4 lateral wall upper end are connected with vacuum pump 5 through fourth pipeline 42, the second export 43 of negative pressure flash tank 4 bottom is connected with the import of oil extraction pump 6 through fifth pipeline 45, the export of oil extraction pump 6 is connected electro-adsorption purification unit 7 through sixth pipeline 61, electro-adsorption purification unit 7 is connected precision filter unit 8 through seventh pipeline 63.
In the present embodiment, a moisture meter 44 is provided on the fourth duct 42.
In this embodiment, the inlet end of the first conduit 9 is provided with a first solenoid valve 12.
In this embodiment, the fifth pipe 45 is connected to the second electromagnetic valve 13 near the inlet end of the oil drain pump 6.
In this embodiment, a first circuit pipeline 14 is further connected between the second outlet 43 end and the inlet end of the oil feed pump 2, and a third electromagnetic valve 15 is disposed on the first circuit pipeline 14.
The method comprises the steps of arranging an oil storage tank 1 for storing mixed waste lubricating oil, enabling the waste lubricating oil in the oil storage tank 1 to flow through a pretreatment device of the embodiment by opening a first electromagnetic valve 12, arranging an oil inlet pump 2 for extracting the waste lubricating oil from the oil storage tank 1 and conveying the waste lubricating oil to the pretreatment device, arranging an electromagnetic heater 3, setting the heating temperature of the electromagnetic heater 3 through a controller to be 60 ℃ generally, heating the waste lubricating oil to raise the temperature and reduce the viscosity, reducing the intermolecular force of oil molecules and water molecules, enabling the heated waste lubricating oil to separate free water in the waste lubricating oil and light components generated by decomposition of the lubricating oil through flash evaporation by arranging a negative pressure flash evaporation tank 4, wherein the negative pressure flash evaporation separation process is mainly characterized in that the boiling point of a substance is reduced along with the reduction of the pressure, and the boiling point of the free water is reduced by adopting a negative pressure condition, the oxidative condensation reaction of the oil product is avoided, the principle of electrostatic adsorption is mainly adopted by setting an electro-adsorption purification process, polar substances in the oil product are adsorbed and filtered under the action of a three-dimensional electrostatic field, and the separation of organic in-phase and miscible substances is realized; the precise filtering process mainly utilizes a microporous structure to carry out screening and filtering to remove nonpolar particulate mechanical impurities in the oil product.
In this embodiment, the pressure of the negative pressure flash tank 4 may be set by the controller, typically to-0.08 Mpa, wherein water vapour is evacuated from the first outlet 41 via the fourth conduit 42 by the vacuum pump 5. The dehydrated oil is conveyed from the second outlet 43 through the oil discharge pump 6 to enter the electro-adsorption purification unit 7, the moisture content in the waste lubricating oil can be detected by the moisture tester 44 on the fourth pipeline 42, when the moisture content in the waste lubricating oil is higher, a circulating flash evaporation dehydration process needs to be carried out, when the controller receives a high moisture content data signal of the moisture tester 44, the controller can control the first electromagnetic valve 12 and the second electromagnetic valve 13 to be closed, the third electromagnetic valve 15 is opened, the dehydrated oil flowing out from the second outlet 43 can flow into the first pipeline 9 through the first loop pipeline 14, as the first electromagnetic valve 12 and the second electromagnetic valve 13 are both in a closed state, the crude oil in the oil storage tank 1 can not enter the first pipeline 9, and the dehydrated oil from the second outlet 43 can not pass through the oil discharge pump 6, at this time, the dehydrated oil flowing into the first loop pipeline 14 is sucked through the oil feed pump 2, and (3) performing the circulating flash evaporation dehydration process again, when the controller receives the moisture content data signal of the moisture detector, the controller controls the second electromagnetic valve 13 to be closed, and simultaneously opens the first electromagnetic valve 12 and the second electromagnetic valve 13, so that the dehydrated oil is conveyed into the electro-adsorption purification unit 7 through the oil discharge pump 6.
The embodiment of the utility model provides an electric adsorption purification unit 7 includes a plurality of electric adsorption filter 71, electric adsorption filter 71 is including adsorbing a section of thick bamboo 711, oil inlet 712, oil-out 713, oil inlet pipe 714, oil outlet pipeline 715, first drain hole 716, the refined filter core 717 of electric adsorption, oil inlet 712, oil-out 713 is established respectively and is adsorbed a section of thick bamboo 711 lower part and upper portion side position, be connected with into oil pipe 714 on the oil inlet 712, be connected with oil outlet pipeline 715 on the oil-out 713, first drain hole 716 is established at adsorbing a section of thick bamboo 711 bottom position, the refined filter core 717 of electric adsorption is established in the middle of adsorbing a section of thick bamboo 711, each advances oil pipe 714 and connects sixth pipeline 61 respectively, seventh pipeline 63 is connected respectively to each oil pipe 715, each advances and all be provided with fourth solenoid valve 718 on oil pipe 714, all be provided with fifth solenoid valve 719 on each oil pipe 715, in two adjacent electric adsorption filter 71, still be provided with the second solenoid valve 719 between the The circuit pipe 720 and the second circuit pipe 720 are provided with a sixth solenoid valve 721.
In the present embodiment, the flow rate detector 62 is provided on the sixth pipe 61. The device is used for measuring the flow of the oil to be fed into the electro-adsorption purification unit 7.
When the pollution degree of the waste lubricating oil to be pretreated is light, but the flow detector 62 detects that the flow entering the electric adsorption purification unit 7 is large, a plurality of electric adsorption filters 71 can be selected to be connected in parallel for electric adsorption, under the premise of ensuring the adsorption effect, the pretreatment efficiency can be improved, and the specific operation principle is as follows: when the controller receives a large-flow signal transmitted by the flow detector 62, the controller controls the sixth solenoid valves 721 on the second loop pipes 720 between two adjacent electro-adsorption filters 71 to be closed, and simultaneously opens the fourth solenoid valves 718 on the oil inlet pipes 714 and the fifth solenoid valves 719 on the oil outlet pipes 715, so as to ensure that each electro-adsorption filter 71 is in a parallel connection mode between the sixth pipe 61 and the seventh pipe 63.
When the pollution degree of the waste lubricating oil to be pretreated is heavier, but the flow detector 62 detects that the flow to enter the electro-adsorption purification unit 7 is smaller, a plurality of electro-adsorption filters 71 can be selected to be connected in series for electro-adsorption, at this time, although the pretreatment efficiency is reduced, the organic acid, the alkaline nitrogen, the binding water and the additives which are oxidized and deteriorated in the oil product are effectively removed, polar substances such as metal salts and the like are generated by degradation, the technical indexes such as the metal element content, the ash content and the carbon residue of the waste lubricating oil are obviously reduced, and the specific operation principle is as follows: when the controller receives a small flow signal transmitted by the flow detector 62, the controller controls the fourth electromagnetic valve 718 on the oil inlet pipeline of the first electro-adsorption filter 71 to open, the fifth electromagnetic valve 719 on the oil outlet pipeline 715 of the last electro-adsorption filter 71 to open, the sixth electromagnetic valves 721 on the second loop pipelines 720 to open, and the remaining electro-adsorption filters 71 to close, the fifth electromagnetic valve 719 on the oil outlet pipeline 715 and the fourth electromagnetic valve 718 on the oil inlet pipeline 714 to ensure that the electro-adsorption filters 71 are sequentially connected in series and connected with the oil inlet pipeline 714 of the first electro-adsorption filter 71 through the sixth pipeline 61, and the oil outlet pipeline 715 of the last electro-adsorption filter 71 is connected with the seventh pipeline 63 to form a series pipeline.
In this embodiment, the lubricating oil enters the electro-adsorption filter 71 after negative pressure flash evaporation, the electro-adsorption refined filter 717 in the adsorption cylinder 711 generates polarity by an external electric field to form a three-dimensional electrostatic field, when the oil flows through the electro-adsorption tank, the oxidized and deteriorated polar substances in the hydraulic oil generate directional flow under the action of the electric field, and are captured and adsorbed at the same time, and can adsorb, strip and separate polar charged substances (i.e., compounds with non-overlapped centers of positive and negative electron clouds) such as organic naphthenic acid, alkaline nitrogen, binding water, and metal salts in the oil, and the adsorbed particulate matters and polar impurities can be naturally resolved and settled to the bottom of the adsorption cylinder 711, and after a certain period of electro-adsorption, the particulate matters and polar impurities are discharged through the first drain port 716 when the particulate matters and polar impurities are accumulated too much.
The embodiment of the utility model provides an in the precision filter unit 8 including a plurality of precision filter 81 of establishing ties in proper order, be provided with glass fiber filter core 82 in each precision filter 81 respectively, each glass fiber filter core 82's filter core aperture steadilys decrease in proper order, each precision filter 81 bottom is provided with second drain 83 respectively.
Set up a plurality of precision filter 81 through the series connection, and all set up glass fiber filter element 82 in each precision filter 81, the microporous construction who utilizes glass fiber filter element 82 sieves and filters, simultaneously according to the size in different glass filter element apertures, can detach the micron order particulate matter mechanical impurity in the oil step by step, after the filter carries out a period of filtration, the micron order particulate matter mechanical impurity deposit of precision filter 81 bottom is when more, accessible second drain 83 can discharge micron order particulate matter mechanical impurity, filter the desorption to remaining particulate matter mechanical impurity in the oil, the mechanical impurity content of oil is showing to be reduced, metallic element content, the ash content, incomplete charcoal etc. to the epidermis, delay the heating coking tendency of useless lubricating oil.
In this embodiment, the device further includes a controller, and the controller is electrically connected to the first electromagnetic valve 12, the second electromagnetic valve 13, the third electromagnetic valve 15, the fourth electromagnetic valve 718, the fifth electromagnetic valve 719, the sixth electromagnetic valve 721, the moisture meter 44, and the flow detector 62.
The controller can control the opening and closing of the first solenoid valve 12, the second solenoid valve 13, and the third solenoid valve 15 when receiving the signal from the moisture meter 44, and the controller can control the opening and closing of the fourth solenoid valve 718, the fifth solenoid valve 719, and the sixth solenoid valve 721 when receiving the signal from the flow rate detector 62.
The utility model discloses a theory of operation is:
when the vehicle used lubricating oil pretreatment device related to the utility model is used, firstly, the used lubricating oil to be pretreated is poured into the oil storage tank 1, under the initial state, the controller controls the third electromagnetic valve 15 to be closed, the first electromagnetic valve 12 and the second electromagnetic valve 13 are opened, the oil feeding pump 2 pumps the used lubricating oil in the oil storage tank 1 through the first pipeline 9, the used lubricating oil is firstly heated by the electromagnetic heater 3 to raise the temperature and reduce the viscosity, the heating temperature is 60 ℃, the intermolecular force between oil molecules and water molecules is reduced, the heated used lubricating oil enters the negative pressure flash evaporation tank 4 to carry out the negative pressure flash evaporation dehydration process, the negative pressure of the negative pressure flash evaporation tank 4 is set to-0.08 MPa through the controller, the free water in the used lubricating oil and the light components generated by the decomposition of the lubricating oil are separated through flash evaporation, wherein, the water vapor is discharged through the fourth pipeline 42 from the first outlet 41 under the action of the vacuum pump 5, when the moisture tester 44 on the fourth pipeline 42 detects that the content of the moisture in the waste lubricating oil is high, the controller controls the first electromagnetic valve 12 and the second electromagnetic valve 13 to be closed, the third electromagnetic valve 15 to be opened to carry out the circulating flash evaporation dehydration process, when the moisture tester 44 on the fourth pipeline 42 detects that the content of the moisture in the waste lubricating oil is normal, the controller controls the first electromagnetic valve 12 and the second electromagnetic valve 13 to be opened, the third electromagnetic valve 15 is closed, the dehydrated oil is discharged from the second outlet 43 and is conveyed into the electro-adsorption purification unit 7 through the oil discharge pump 6, before the oil enters the electro-adsorption purification unit 7 and passes through the sixth pipeline 61, an oil flow signal detected by the flow detector 62 is transmitted to the controller, the mode that the electro-adsorption purifiers in the electro-adsorption purification unit 7 are judged to be connected in series or in parallel according to the flow size is controlled, the oil after electro-adsorption purification passes through a plurality of precision filters 81 arranged in series, the microporous structure of the glass fiber filter element 82 is utilized for screening and filtering, and simultaneously, according to the sizes of different glass filter element apertures, micron-sized particulate mechanical impurities in the oil product can be removed step by step, the residual particulate mechanical impurities in the oil product are filtered and removed, the mechanical impurity content, the metal element content, the ash content, the carbon residue and the like of the oil product are obviously reduced to the surface skin, and the heating coking tendency of the waste lubricating oil is delayed.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (9)
1. A pretreatment device for waste lubricating oil for vehicles is characterized in that: including batch oil tank, oil feed pump, electromagnetic heater, negative pressure flash tank, vacuum pump, oil extraction pump, electro-adsorption purification unit, secondary filter unit, the batch oil tank is connected with the import of oil feed pump through first pipeline, the export of oil feed pump is connected with electromagnetic heater's import through the second pipeline, electromagnetic heater's export through the third pipeline with the import of negative pressure flash tank is connected, the first exit of negative pressure flash tank lateral wall upper end has the vacuum pump through fourth pipe connection, the second export of negative pressure flash tank bottom is connected with the import of oil extraction pump through the fifth pipeline, the export of oil extraction pump passes through sixth pipe connection electro-adsorption purification unit, electro-adsorption purification unit passes through seventh pipe connection precision filter unit.
2. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: and a moisture tester is arranged on the fourth pipeline.
3. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: the inlet end of the first pipeline is provided with a first electromagnetic valve.
4. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: and a second electromagnetic valve is connected to the inlet end of the fifth pipeline close to the oil discharge pump.
5. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: and a first loop pipeline is also connected between the second outlet end and the inlet end of the oil inlet pump, and a third electromagnetic valve is arranged on the first loop pipeline.
6. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: and a flow detector is arranged on the sixth pipeline.
7. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: the electro-adsorption purification unit comprises a plurality of electro-adsorption filters, each electro-adsorption filter comprises an adsorption cylinder, an oil inlet, an oil outlet, an oil inlet pipeline, an oil outlet pipeline, a first sewage discharge port and an electro-adsorption refined filter element, the oil inlet and the oil outlet are respectively arranged at the side positions of the lower part and the upper part of the adsorption cylinder, the oil inlet is connected with the oil inlet pipeline, the oil outlet is connected with the oil outlet pipeline, the first sewage discharge port is arranged at the bottom of the adsorption cylinder, the electro-adsorption refined filter element is arranged in the middle of the adsorption cylinder, each oil inlet pipeline is respectively connected with a sixth pipeline, each oil outlet pipeline is respectively connected with a seventh pipeline, each oil inlet pipeline is provided with a fourth electromagnetic valve, each oil outlet pipeline is provided with a fifth electromagnetic valve, in the two adjacent electro-adsorption filters, a second loop pipeline is also arranged between the discharge port of the previous electro-adsorption filter, and a sixth electromagnetic valve is arranged on the second loop pipeline.
8. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: the precision filter unit comprises a plurality of precision filters which are connected in series in sequence, glass fiber filter elements are arranged in each precision filter respectively, the pore diameters of the filter elements of the glass fiber filter elements are gradually decreased, and the bottoms of the precision filters are respectively provided with a second sewage draining outlet.
9. The pretreatment device for waste lubricating oil for vehicles according to claim 1, wherein: the device is characterized by further comprising a controller, wherein the controller is electrically connected with the electromagnetic heater, the negative pressure flash tank, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the moisture tester and the flow detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605864.4U CN209836119U (en) | 2019-04-29 | 2019-04-29 | Automobile-used useless lubricating oil preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605864.4U CN209836119U (en) | 2019-04-29 | 2019-04-29 | Automobile-used useless lubricating oil preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209836119U true CN209836119U (en) | 2019-12-24 |
Family
ID=68914742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920605864.4U Active CN209836119U (en) | 2019-04-29 | 2019-04-29 | Automobile-used useless lubricating oil preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209836119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246008A (en) * | 2020-10-19 | 2021-01-22 | 中国能源建设集团东北电力第一工程有限公司 | Precise plate type oil filter |
| CN118217751A (en) * | 2024-04-26 | 2024-06-21 | 广东洁盟净化工程有限公司 | Plasma organic waste gas purifying treatment device |
-
2019
- 2019-04-29 CN CN201920605864.4U patent/CN209836119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246008A (en) * | 2020-10-19 | 2021-01-22 | 中国能源建设集团东北电力第一工程有限公司 | Precise plate type oil filter |
| CN118217751A (en) * | 2024-04-26 | 2024-06-21 | 广东洁盟净化工程有限公司 | Plasma organic waste gas purifying treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102010784B (en) | Waste lubricating oil treatment equipment and treatment method thereof | |
| CN204798975U (en) | Vacuum oil filter of secondary filter and high -efficient dehydration | |
| CN209836119U (en) | Automobile-used useless lubricating oil preprocessing device | |
| CN104944619B (en) | Electric Desalting Wastewater deoiling method in heavy crude process | |
| CN108002635A (en) | A kind of method and device of condensation water coalescence absorption oil removing recycling | |
| CN201670832U (en) | Oil purification treatment equipment | |
| CN104692555B (en) | Method and device for recovery, treatment and reuse of fracturing flowback fluid | |
| CN103285655B (en) | Composite-method oil removing apparatus | |
| CN105600976A (en) | Apparatus and method for recovering petroleum and phenols from oilfield produced wastewater | |
| CN112386952B (en) | Emulsified oil liquid purification device based on super-hydrophobic/super-lipophilic screen net film | |
| CN102583821B (en) | Method and device for removing coal dust and oil by enabling coal to be directly liquefied and generate sulphur-bearing waste water | |
| CN104974775B (en) | A kind of desalination purification method of coal tar | |
| CN115196806B (en) | Deoiling and dedusting method for low-rank coal pyrolysis wastewater | |
| CN203700456U (en) | Separation and recovery system for extracting organic phases through hydrometallurgy | |
| CN216639101U (en) | A remove device that is arranged in organic matter of uranium purification conversion waste water | |
| CN208136008U (en) | A kind of normal pressure electro-desalting sewage pre-treatment device | |
| CN210786488U (en) | Oil purification device suitable for metallurgical system | |
| CN206624722U (en) | A kind of simple oil-contained waste water treatment device | |
| CN213738949U (en) | A preprocessing device for phenol ammonia retrieves | |
| CN104531325A (en) | Purification method and equipment for waste hydraulic oil of extruding machine | |
| CN109266873A (en) | The device and method of oil slick in earth solution is removed in Rare-Earth Extraction Process | |
| CN116081769A (en) | Oil-water separation recovery system of sewage treatment device | |
| CN116036661A (en) | Deep dehydration combined process for phenol oil | |
| CN206814706U (en) | A kind of sump oil integrated processing system | |
| CN105561793A (en) | Filtering and purifying device for heterogeneous materials and method for filtering and purifying heterogeneous materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |