CN103807250A - Electronic filter device and method of oil products in hydraulic and lubrication field - Google Patents
Electronic filter device and method of oil products in hydraulic and lubrication field Download PDFInfo
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- CN103807250A CN103807250A CN201410063004.4A CN201410063004A CN103807250A CN 103807250 A CN103807250 A CN 103807250A CN 201410063004 A CN201410063004 A CN 201410063004A CN 103807250 A CN103807250 A CN 103807250A
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Abstract
The invention relates to the technical field of filtration of oil products in the hydraulic and lubrication field, in particular to an electronic filter device and method of oil products in the hydraulic and lubrication field. The electronic filter device comprises a pump, a control system, a high-voltage static generator, an electronic filter element device, a high-density fiber water absorption and filtration device, a pressure sensor and a moisture sensor. An oil discharging outlet pipeline of an oil tank is connected with the inlet end of the high-density fiber water absorption and filtration device through the pump, the high-density fiber water absorption and filtration device is connected with the inlet end on the left side of the high-voltage electronic filter element device through a path of an electromagnetic valve. The outlet end on the right side of the high-voltage electronic filter element device is connected with an oil tank inlet pipe of a hydraulic system, and the high-voltage electronic filter element device generates a high-voltage positive and negative electric field. Compared with the prior art, the electronic filter device has the advantages of reducing oil exchanging frequency, achieving recycling economy because the hydraulic oil products can be recycled, reducing equipment faults and the number of maintenance times, prolonging equipment service life, achieving on-line automatic operation and on-line monitoring, reducing pollutant discharge and building environment-friendly equipment.
Description
[technical field]
The present invention relates to hydraulic pressure and lubricated field oil product filtration art, specifically a kind of electronic filter device and method about hydraulic pressure and lubricated field oil product.
[background technique]
The overwhelming majority action of hydraulic equipment is mainly completed by hydraulic transmission and hydraulic control system, therefore can say that hydraulic system is the heart of hydraulic equipment, and it plays very important effect.Hydraulic Power Transmission System and hydraulic control system are all to complete by the motion of hydraulic oil, and hydraulic oil can be contaminated in long-term work process, and most of pollution is inevitable.The major pollutants of hydraulic oil are: moisture, particulate matter, oxidation greasy filth.The reason that pollutant produces has following several aspect:
1, assembling is polluted: equipment is producing, in installation and adjustment process, the congenital pollution that the particle systems of entering such as burr, sand, metal fragment cause; The pollutant that equipment is sneaked in dismounting, transportation, servicing operations;
2, generative nature pollutes: because production environment is severe, and under high pressure operation for a long time, the pollution causing of wearing and tearing of the equipment movement pair surface that particle causes in the course of the work; It is greasy that oil oxidation produces;
3, imbedibility pollutes: the pollution that dust granule and moisture cause by systems of entering such as hydraulic system air hole, cylinder seal, fresh oil filling;
4, the intrinsic pollution in oil product: the new oil adding, also contain certain particulate matter and moisture according to its grade, definitely totally do not accomplish, and higher grade of oil product its cost is higher.Its turbidity test grade of the oil newly dispatching from the factory, mostly in NAS7-8 level, is greater than every 100 milliliter of 50,000 left and right of particulate matter of 5 microns, and moisture content is at 200ppm.
In order to keep oil product cleaning, most of hydraulic equipment has all been installed filtration device, these filtration devices are mainly tackled filtration by paper filter core, and filter core can solve some problems, but cannot thoroughly solve oil pollution problem, filter element filtering precision is limited on the one hand, most of filter element filtering precision are 10 microns, and the particle of 0.2 micron will impact equipment, if filter core precision is too high except cost height, can produce back pressure, make oil circuit operation not smooth; What filter core can not do on the other hand is too large, and its pollutant holding capability is limited, and filter core cannot be removed moisture in addition.
[summary of the invention]
The object of the invention is to filter by paper filter core in order to solve existing filtration device, filter core precision is limited and cannot solve problem and the back pressure problems of moisture contamination, provide a kind of guarantee hydraulic oil or lubricant oil for a long time in clean state, the electronic filtering apparatus of reduce to change oil frequency, the relevant hydraulic pressure that does not produce back pressure and lubricated field oil product.
To achieve these goals, a kind of electronic filtering apparatus about hydraulic pressure and lubricated field oil product is provided, comprise pump 2, control system 8, high pressure electrostatic generator 9, electronics filter element device 5, high-density fiber water suction filtrating equipment 3, pressure transducer 10, moisture transducer 7, fuel tank oil drain out pipeline 1 connects the entrance point of high-density fiber water suction filter element device 3 by pump 2 one tunnels, high-density fiber absorbed water filter element device 3 by the entrance point in the left side of solenoid valve 4 one tunnels connection high-pressure electronic filter element devices 5, the outlet end on high-pressure electronic filter element device 5 right sides connects hydraulic reservoir inlet tube 6, another road pipeline of solenoid valve 4 is connected on the oil drain out pipeline of pump 2, control system 8 is by signaling line control pump 2, solenoid valve 4, high pressure electrostatic generator 9, moisture transducer 7, pressure transducer 10 control apparatus operations, produce high-pressure electrostatic by high pressure electrostatic generator 9 and send high-pressure electronic filter element device 5 to, make to produce in high-pressure electronic filter element device 5 the positive negative electric field of high pressure.
Fuel tank oil drain out pipeline 1 connects the entrance point of high-density fiber water suction filter element device 3 by pump 2 one tunnels, high-density fiber absorbed water filter element device 3 by solenoid valve 4, in the time that being less than 250ppm, moisture content directly enters the entrance point in the left side that connects high-pressure electronic filter element device 5, the outlet end on high-pressure electronic filter element device 5 right sides connects hydraulic reservoir inlet tube 6, in the time that moisture content is greater than in 250ppm, another road pipeline of solenoid valve 4 is connected to the entrance point of high-density fiber water suction filter element device 3.
High-density fiber water suction filter element device 3 adopts terraced layered structure.
High-density fiber water suction filter element device 3 upper entrance ends are provided with moisture transducer 7.
The electrode trap that high-pressure electronic filter element device 5 tops enter cavity entry end is provided with pressure transducer 10.
A kind of method of the filtrating equipment about hydraulic pressure and lubricated field, the method is: utilize high-voltage electrostatic field, make particulate pollutant polarization in oil and just showing respectively, electronegativity, band just, electronegative particulate matter under the effect of ultrahigh pressure electric field separately to negative, positive electrode direction is moved about, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the electrode trap depending in high-pressure electronic filter element device 5, thoroughly remove the pollutant in oil product, its filter precision can reach 0.02 μ m, more than turbidity test can reach NAS3 level, comprise the following steps:
A. high density water suction filter element device 3: pick out bypass from fuel tank bottom oil drain out, hydraulic oil in fuel tank is pumped into high-density fiber water suction filter core by high pressure oil pump, high-density fiber water suction filter core is converted into by high density water-absorption fiber, there is strongly hydrophilic, water absorption rate reaches more than 50 times, by the high-density fiber filter core that absorbs water, moisture in oil product can be reduced to below 500ppm, through moisture detection, as do not reach below 500ppm, return to water suction entrance drainage again, until reach below 500ppm, enter high-pressure electronic filter element device 5;
B. high-pressure electronic filter element device: Electrostatic Absorption filter core is installed in device, Electrostatic Absorption filter core is the composite material of metal aluminum foil and parchment paper bonding, produce high-pressure electrostatic by high pressure electrostatic generator, high-pressure electrostatic and aluminium foil are connected, make to form high-voltage electrostatic field between filter core space, oil product passes through from filter core space, particulate matter in oil product polarizes and is just showing respectively under high voltage electrostatic field, electronegativity, band just, electronegative particulate matter under the effect of ultrahigh pressure electric field separately to negative, positive electrode direction is moved about, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the parchment paper that depends on foil electrode, the absolute oil of removing particulate matter is back to equipment fuel tank,
C. circulation dialysis: along with equipment constantly moves, high-pressure electronic filter is also in continuous operation, and the pollutant in oil product is constantly adsorbed, it is clean that oil product in fuel tank becomes gradually, finally remain on clean state, as long as there is particulate matter to produce, will soon be adsorbed;
D. oil circuit cleans: be back to the charged particle thing that has fraction not to be adsorbed in the oil product of fuel tank, these particulate matters are with equipment operation access arrangement oil circuit, pollutant in equipment oil circuit can be adsorbed to oil product in running in equipment oil circuit in the middle of, be back to fuel tank, the particulate matter that enters fuel tank repeatedly circulates and rejects gradually through high-pressure electronic filter.
The high-pressure electrostatic that described high pressure electrostatic generator produces is 50000V.
Compared with the existing technology, its advantage is in the present invention:
1, high-density fiber water suction filter element device and high-pressure electronic filter core have been installed, can be directly installed in the bypass of equipment fuel tank, disposable moisture and pollutant of going out in oil product, greatly reduce the frequency of changing oil, save equipment user cost, can reduce by approximately 90% the oil of using, for enterprise reduces cost, increase profit, hydraulic pressure oil product can reuse, and realizes recycling economy;
2, reduce equipment failure rate, save maintenance cost, equipment is for a long time in clean state, and frictional resistance is little, stressed evenly hydraulic pressure components and parts frictional resistance is little, and infringement probability reduces greatly, most of fault is eliminated automatically, and the rate of fault of equipment reduces, and maintenance cost also reduces naturally;
3, reduce maintenance number of times, improve equipment operation rate; Hydraulic system does not need to maintain again, and the original filter core of system can become totally gradually, does not need to change, due to maintenance frequency and the minimizing of maintenance number of times, the corresponding raising of Homes Using TV again; And not needing wastes the extensive work time because of maintenance, the while is stressed evenly, working state is not only steady but also accurate, and working efficiency is high, can improve 20%-30%;
4, extension device working life, not only oil product is processed clean, circulate the pollutant in shield structure is adsorbed by oil product simultaneously, and process totally, equipment is for a long time in clean state, stressed uniform and stable, its core component improves working life greatly, and then the working life of having improved equipment, the equipment of maintenance steady in a long-term is far longer than the working life of equipment under befouling environment its working life, and can extend more than 30% working life;
5, reduce machine utilization, reduce equipment energy consumption; Due to the cleaning of oil product and oil circuit, equipment top layer is smooth smooth, high lubricating effect, and frictional resistance is little, and the load of equipment reduces, the corresponding minimizing of its energy consumption, energy consumption reduces 8%-20%;
6, realize on-line automatic operation, on-line monitoring; Do not need manual operation, in the time of oil pollution, can automatically open, automatic shutdown when oil product is clean, can select to be arranged on line detection facility, implements to understand the use state of oil product;
7, reduce pollutant emission, Green environmental protection equipment; One ton of oil of every saving is equivalent to reduce 0.5 ton of CO2 emission, when a large amount of minimizing fresh oils use, has also reduced the discharge of waste oil.
[accompanying drawing explanation]
The structural drawing of Fig. 1 apparatus of the present invention;
In figure: 1. hydraulic reservoir oil drain out 2. pump 3. high-density fiber water suction filter element device 4. vacuum breaker 5. high-pressure electronic filter element device 6. hydraulic reservoir filler opening 7. moisture transducer 8. control system 9. high pressure electrostatic generator 10. pressure transducers;
[embodiment]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning this professional people.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
Be illustrated in figure 1 structure drawing of device of the present invention, comprise pump 2, control system 8, high pressure electrostatic generator 9, electronics filter element device 5, high-density fiber water suction filtrating equipment 3, pressure transducer 10, moisture transducer 7, fuel tank oil drain out pipeline 1 connects the entrance point of high-density fiber water suction filter element device 3 by pump 2 one tunnels, high-density fiber absorbed water filter element device 3 by the entrance point in the left side of solenoid valve 4 one tunnels connection high-pressure electronic filter element devices 5, the outlet end on high-pressure electronic filter element device 5 right sides connects hydraulic reservoir inlet tube 6, another road pipeline of solenoid valve 4 is connected on the oil drain out pipeline of pump 2, control system 8 is by signaling line control pump 2, solenoid valve 4, high pressure electrostatic generator 9, moisture transducer 7, pressure transducer 10 control apparatus operations, produce high-pressure electrostatic by high pressure electrostatic generator 9 and send high-pressure electronic filter element device 5 to, make to produce in high-pressure electronic filter element device 5 the positive negative electric field of high pressure.Under extra-high voltage field action, particulate pollutant in oil is moved to negative, positive electrode direction separately, thoroughly remove the pollutant in oil product, filter precision reaches 0.02 μ m, more than turbidity test reach NAS3 level.
This device is installed water suction filter core, can effectively draw the moisture in oil product, accumulator pressure sensor has been installed, understand contaminant collector and change the time, the supervisory systems such as oil-feed flow, fuel-displaced flow, oil product temperature, the demonstration of high-pressure electrostatic voltage, the demonstration of high-pressure electrostatic leakage current are also installed simultaneously, can understand the use state of hydraulic oil the moment.
This device is to utilize high-voltage electrostatic field, make particulate pollutant polarization in oil and show respectively positive and negative electrical, move about to negative, positive electrode direction separately under the effect of ultrahigh pressure electric field with positive and negative electrical particulate matter, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the electrode trap depending in high-pressure electronic filter element device 5, thoroughly remove the pollutant in oil product, its filter precision can reach 0.02 μ m, turbidity test comprise the following steps more than can reaching NAS3 level:
A. high density water suction filter element device 3: pick out bypass from fuel tank bottom oil drain out, hydraulic oil in fuel tank is pumped into high-density fiber water suction filter core by high pressure oil pump, high-density fiber water suction filter core is converted into by high density water-absorption fiber, there is strongly hydrophilic, water absorption rate reaches more than 50 times, by the high-density fiber filter core that absorbs water, moisture in oil product can be reduced to below 250ppm, through moisture detection, as do not reach below 250ppm, return to water suction entrance drainage again, until reach below 250ppm, enter high-pressure electronic filter element device 5;
B. high-pressure electronic filter element device: Electrostatic Absorption filter core is installed in device, Electrostatic Absorption filter core is the composite material of metal aluminum foil and parchment paper bonding, produce high-pressure electrostatic by high pressure electrostatic generator, high-pressure electrostatic and aluminium foil are connected, make to form high-voltage electrostatic field between filter core space, oil product passes through from filter core space, particulate matter in oil product polarizes and is just showing respectively under high voltage electrostatic field, electronegativity, band just, electronegative particulate matter under the effect of ultrahigh pressure electric field separately to negative, positive electrode direction is moved about, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the parchment paper that depends on foil electrode, the absolute oil of removing particulate matter is back to equipment fuel tank,
C. circulation dialysis: along with equipment constantly moves, high-pressure electronic filter is also in continuous operation, and the pollutant in oil product is constantly adsorbed, it is clean that oil product in fuel tank becomes gradually, finally remain on clean state, as long as there is particulate matter to produce, will soon be adsorbed;
D. oil circuit cleans: be back to the charged particle thing that has fraction not to be adsorbed in the oil product of fuel tank, these particulate matters are with equipment operation access arrangement oil circuit, pollutant in equipment oil circuit can be adsorbed to oil product in running in equipment oil circuit in the middle of, be back to fuel tank, the particulate matter that enters fuel tank repeatedly circulates and rejects gradually through high-pressure electronic filter.The high-pressure electrostatic that high pressure electrostatic generator produces is 50000V.
Embodiment 2
Shanghai solid foundation company, in June, 2012, its 800 tons of static pressure pile foundations were installed this device, its hydraulic oil is reduced to NAS7 level from NAS10 level, and be stabilized in NAS7 level, originally need the oil product of at once changing to use so far, use hydraulic system one year over not occur any fault, manufacturing efficiency improves greatly, and whole equipment has reached the effect of new equipment.
Claims (6)
1. the electronic filtering apparatus about hydraulic pressure and lubricated field oil product, comprise pump (2), control system (8), high pressure electrostatic generator (9), electronics filter element device (5), high-density fiber water suction filtrating equipment (3), pressure transducer (10), moisture transducer (7), it is characterized in that fuel tank oil drain out pipeline (1) connects the entrance point of high-density fiber water suction filter element device (3) by pump (2) one tunnels, high-density fiber absorbed water filter element device (3) by the entrance point in the left side of solenoid valve (4) one tunnels connection high-pressure electronic filter element devices (5), the outlet end on high-pressure electronic filter element device (5) right side connects hydraulic reservoir inlet tube (6), another road pipeline of solenoid valve (4) is connected on the oil drain out pipeline of pump (2), control system (8) is by signaling line control pump (2), solenoid valve (4), high pressure electrostatic generator (9), moisture transducer (7), the operation of pressure transducer (10) control apparatus, produce high-pressure electrostatic by high pressure electrostatic generator (9) and send high-pressure electronic filter element device (5) to, make the positive negative electric field of generation high pressure in high-pressure electronic filter element device (5).
2. a kind of electronic filtering apparatus about hydraulic pressure and lubricated field oil product as claimed in claim 1, is characterized in that high-density fiber water suction filter element device (3) adopts terraced layered structure.
3. a kind of electronic filtering apparatus about hydraulic pressure and lubricated field oil product as claimed in claim 1, is characterized in that high-density fiber water suction filter element device (3) upper entrance end is provided with moisture transducer (7).
4. a kind of electronic filtering apparatus about hydraulic pressure and lubricated field oil product as claimed in claim 1, is characterized in that the electrode trap that high-pressure electronic filter element device (5) top enters cavity entry end is provided with pressure transducer (10).
5. the method about the filtrating equipment in hydraulic pressure and lubricated field, it is characterized in that the method is: utilize high-voltage electrostatic field, make particulate pollutant polarization in oil and just showing respectively, electronegativity, band just, electronegative particulate matter under the effect of ultrahigh pressure electric field separately to negative, positive electrode direction is moved about, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the electrode trap depending in high-pressure electronic filter element device (5), thoroughly remove the pollutant in oil product, its filter precision can reach 0.02 μ m, more than turbidity test can reach NAS3 level, comprise the following steps:
A. high density water suction filter element device (3): pick out bypass from fuel tank bottom oil drain out, hydraulic oil in fuel tank is pumped into high-density fiber water suction filter core by high pressure oil pump, high-density fiber water suction filter core is converted into by high density water-absorption fiber, there is strongly hydrophilic, water absorption rate reaches more than 50 times, by the high-density fiber filter core that absorbs water, moisture in oil product can be reduced to below 500ppm, through moisture detection, as do not reach below 500ppm, return to water suction entrance drainage again, until reach below 500ppm, enter high-pressure electronic filter element device (5);
B. high-pressure electronic filter element device: Electrostatic Absorption filter core is installed in device, Electrostatic Absorption filter core is the composite material of metal aluminum foil and parchment paper bonding, produce high-pressure electrostatic by high pressure electrostatic generator, high-pressure electrostatic and aluminium foil are connected, make to form high-voltage electrostatic field between filter core space, oil product passes through from filter core space, particulate matter in oil product polarizes and is just showing respectively under high voltage electrostatic field, electronegativity, band just, electronegative particulate matter under the effect of ultrahigh pressure electric field separately to negative, positive electrode direction is moved about, neutrophil granule is being squeezed mobile by charged particle logistics, finally all particulates is all adsorbed on the parchment paper that depends on foil electrode, the absolute oil of removing particulate matter is back to equipment fuel tank,
C. circulation dialysis: along with equipment constantly moves, high-pressure electronic filter is also in continuous operation, and the pollutant in oil product is constantly adsorbed, it is clean that oil product in fuel tank becomes gradually, finally remain on clean state, as long as there is particulate matter to produce, will soon be adsorbed;
D. oil circuit cleans: be back to the charged particle thing that has fraction not to be adsorbed in the oil product of fuel tank, these particulate matters are with equipment operation access arrangement oil circuit, pollutant in equipment oil circuit can be adsorbed to oil product in running in equipment oil circuit in the middle of, be back to fuel tank, the particulate matter that enters fuel tank repeatedly circulates and rejects gradually through high-pressure electronic filter.
6. the method for a kind of filtrating equipment about hydraulic pressure and lubricated field as claimed in claim 5, is characterized in that the high-pressure electrostatic that described high pressure electrostatic generator produces is 50000V.
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| CN201410063004.4A CN103807250B (en) | 2014-02-24 | 2014-02-24 | The electronic filter device and method of a kind of associated hydraulic and lubricating area oil product |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977623A (en) * | 2014-05-23 | 2014-08-13 | 周建伟 | Method for removing particle impurities in lubricating oil, charging device and novel electrostatic lubricating oil filter device |
| CN105757059A (en) * | 2016-05-12 | 2016-07-13 | 陈连萍 | Oil filtering method achieving filtration, magnetization, adsorption, magnetic field rotation and centrifugation with variable structures |
| CN105889186A (en) * | 2016-05-12 | 2016-08-24 | 李�昊 | Filtering method adopting full-frequency-band variable-structure filtering, electrification, adsorption and rotating magnetic field |
| CN105889198A (en) * | 2016-05-12 | 2016-08-24 | 浙江工业职业技术学院 | Filter device adopting filter, electrification, separation, adsorption and centrifugation |
| CN106090590A (en) * | 2016-07-28 | 2016-11-09 | 山东源根化学技术研发有限公司 | Safe efficient type paper machine lubricating circulatory system |
| CN108593369A (en) * | 2018-06-14 | 2018-09-28 | 天津大学 | A kind of device that high-precision oil mist particles measure simultaneously with gaseous pollutant concentration |
| CN113975856A (en) * | 2021-10-26 | 2022-01-28 | 国网山东省电力公司济宁供电公司 | Intelligent purifying device and method for built-in insulating oil and high-voltage cable oil filling terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103977623A (en) * | 2014-05-23 | 2014-08-13 | 周建伟 | Method for removing particle impurities in lubricating oil, charging device and novel electrostatic lubricating oil filter device |
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| CN113975856A (en) * | 2021-10-26 | 2022-01-28 | 国网山东省电力公司济宁供电公司 | Intelligent purifying device and method for built-in insulating oil and high-voltage cable oil filling terminal |
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