CN105889226A - Oil storage device for treating hydraulic oil through electrification, separation and adsorption - Google Patents

Abstract

The invention relates to an oil storage device for treating hydraulic oil through electrification, separation and adsorption. An air filter is arranged at the top of the outer side of an oil tank. A filtering box, a permanent magnet and a partition plate are sequentially arranged in the oil tank. A first return oil pipe is inserted into the oil tank and connected with a U-shaped pipe and is provided with an electrification device. One end of a second return oil pipe is connected to the first return oil pipe, and the other end of the second return oil pipe extends into the filtering box. The U-shaped pipe is located in the filtering box and sequentially provided with a separation device and an adsorption device. A downwards inclined defoaming plate is mounted at the top of the filtering box. A layer of magnetic metal net is laid on the surface of the defoaming plate. An oil suction pipe is inserted into the oil tank and provided with an oil filter, a demagnetizer and a residual magnetism sensor. The mechanical technology, the electric technology, the magnetic technology and the like are combined, and therefore solid particles are gathered to the pipe wall to be adsorbed, air is separated out or molten, and the oil storage device is simple in structure, low in cost and high in oil purification capacity.

Description

A kind of use electrification, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil

[technical field]

The present invention relates to the fuel tank in a kind of hydraulic system, be specifically related to a kind of use electrification, separate and The Fuel Tanking Unit of adsorption treatment hydraulic oil, belongs to hydraulic oil container technical field.

[background technology]

Statistics both domestic and external illustrate, the fault of hydraulic system about 70%～85% is due to oil Liquid pollution causes.Therefore Pollution Control in Hydraulic System has become domestic and international Hydraulic Industry and each Ministry of Industry Door question of common concern.And solid pollution, gaseous contamination are two kinds of major ways of hydraulic contamination.

Containing the air of about 9% volume under atmospheric pressure and room temperature condition in fluid, a part is empty Gas dissolves in fluid, the mechanical performance of the Air On Hydraulic System of this dissolved state, the volume of fluid Coefficient of elasticity and viscosity also will not produce and significantly affect, the most negligible；Another part with The bubble form of 0.05mm～0.5mm diameter is free in fluid, formed cavitation, be noise, The main cause that body corrosion and volumetric efficiency reduce.Produce heat when bubble is drastically compressed can cause Oil temperature raises, and accelerates fluid oxidation and sealing member is aging, make oil lubrication hydraulic performance decline.Fluid is mixed Miscellaneous QI bubble also can reduce the rigidity of fluid, causes automatically controlling malfunctioning, operating mechanism's intermittent movement, fixed The adverse consequencess such as the inaccurate or fix drift in position.

Solid particle is the pollutant the most universal in hydraulic system, damaging effect is maximum.According to statistics, The hydraulic system fault caused due to solid grain contamination accounts for the 70% of gross contamination fault.At hydraulic pressure system In particulate pollutant in system fluid, metal filings occupies certain ratio, according to different situations, General between 20%～70%, this part metals abrasive dust mostlys come from the abrasion of element.Therefore, Adopt an effective measure the solid grain contamination in degreasing fluid, be another of Pollution Control in Hydraulic System Individual importance.

Factory produces the hydraulic means used in equipment, construction machinery by hydraulic circuit and fuel tank structure Become.Fuel tank stores the hydraulic oil provided to hydraulic circuit and the oil return from hydraulic circuit backflow.Flow into The hydraulic system oil return of fuel tank contains various metal and colloidal particles pollutant, the most also include with The air that bubble shape exists, the existence of these pollutant can cause hydraulic system hydraulic performance decline even to be sent out Raw fault.

Problem, Chinese invention patent (Authorization Notice No. CN 203816790 is eliminated for solving above-mentioned granule U) a kind of centrifugal oil purifier is disclosed, before it includes the purification that equipment fuel tank and equipment fuel tank are drawn Oil pipe, before this purification, oil pipe is sequentially connected with service tank, self priming pump, centrifugal basket, this centrifugal basket Connect oil pipe after purifying and be connected to equipment fuel tank, also include that vacuum pump is connected with service tank；Wherein in institute Strong magnetic Magnet it is provided with in stating service tank.Therefore, by fluid before entering centrifugal barrel at fluid Metal impurities adsorb, and reduce the metallic particles abrasion to equipment, are effectively increased the service life of equipment.

Then, there is following several respects problem in above-mentioned oil conditioner:

1. need to add a whole set of segregation apparatus, equipment is complicated, and cost is high, can bring secondary to fluid simultaneously Pollute.

2. fuel tank volume is relatively big, and the magnetic conductivity of fluid is poor, and strong magnetic Magnet is to micron particles in fluid Active force less, cause adsorption time long, adsorption effect difference etc. problem.

3. part magnetic microparticles enters hydraulic circuit, and absorption causes element fault and difficulty on Hydraulic Elements To clean removal.

And be to solve above-mentioned bubble to eliminate problem, conventional way is to arrange longitudinal baffle in fuel tank, Extend the fluid time of staying in fuel tank, should arrange far into and out of hydraulic fluid port as far as possible, and increase oil The volume of case.But, owing to mixing, the bubble of oil return is the least and oil viscosity is of a relatively high, therefore deposits In problems with: bubble rises to pasta and is scattered in air need long period, during this period hydraulic pressure Device cannot be carried out work.

The practical application for a patent for invention (application publication number CN 102762874 A) of China discloses one Fuel tank, this fuel tank extends oil return fluid at liquid level by the incorporating section being arranged in fuel tank and rectifying wings The time of staying, reach eliminate bubble and avoid inlet port suck bubble purpose.Then, above-mentioned oil The defaoming mechanisms of case is nature froth breaking, still there is foam time long, the problems such as efficiency is low, particularly For the operating mode poor effect that changes in flow rate is violent.

Therefore, for solving above-mentioned technical problem, necessary offer one uses electrification, separates and inhale The Fuel Tanking Unit of attached treatment fluid force feed, to overcome described defect of the prior art.

[summary of the invention]

For solving above-mentioned technical problem, it is an object of the invention to provide and a kind of use electrification, separate and The Fuel Tanking Unit of adsorption treatment hydraulic oil, combines technology such as machinery, electricity, magnetic, makes solid particle Gather tube wall absorption, make air separate out or melt, its simple in construction, low cost, and lube purification Ability is strong.

For achieving the above object, the technical scheme that the present invention takes is: a kind of use electrification, separate and The Fuel Tanking Unit of adsorption treatment hydraulic oil, it include oil box, Rose Box, the first oil return pipe, second Oil return pipe, U-tube, segregation apparatus, adsorbent equipment, permanent magnet, dividing plate, fuel sucking pipe and ECU； Wherein, the top outside described oil box is provided with air filter, be sequentially provided with in oil box described filter box, Permanent magnet and dividing plate；Described first oil return pipe inserts in oil box, and connects with U-tube, on it It is provided with electric ignitor；Described second oil return pipe one end is connected to the first oil return pipe, and the other end extended into Filter box；The junction of described first oil return pipe and the second oil return pipe is provided with an overflow valve；Described U-tube It is positioned at Rose Box, it is sequentially installed with described segregation apparatus and the first adsorbent equipment；Described filtration Bottom portion is provided with every magnetic leg, and top is provided with the froth breaking plate of downward-sloping setting；Described froth breaking plate table Face is equipped with one layer of magnetic metal net；Described fuel sucking pipe inserts oil box, which is provided with oil filter, disappears Chinaware and remanent magnetism sensor；Described ECU is electrically connected with electric ignitor, segregation apparatus, absorption dress Put, demagnetizer and remanent magnetism sensor.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described Denso is made and is included some electrodes and an electrode controller；Described some electrodes are installed on On first oil return pipe, it is respectively connecting to electrode controller；Described electrode controller is electrically connected to ECU, and by ECU control.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described segregation apparatus uses uniform magnetic field segregation apparatus, rotating excitation field segregation apparatus or helical pipe Magnetic field separator.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described uniform magnetic field segregation apparatus includes aluminum matter pipeline, two magnetic poles and magnetic pole controller；Its In, said two magnetic pole is separately positioned on aluminum matter pipeline, the opposite polarity of these two magnetic poles, and in It is oppositely arranged；Said two magnetic pole is respectively and electrically connected on magnetic pole controller；Described magnetic pole controller It is electrically connected to ECU, and by ECU control.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described rotating excitation field segregation apparatus include aluminum matter pipeline, iron shell, three-phase symmetric winding and Three-phase symmetrical current module；Described three-phase symmetric winding is wound on outside aluminum matter pipeline；Described iron shell bag It is overlying on aluminum matter pipeline；The described three-phase symmetrical current module described three-phase symmetric winding of connection, and by ECU controls.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described helical pipe magnetic field separator includes aluminum matter helical pipe, solenoid and helical management and control Circuit processed；Wherein, described aluminum matter helical pipe is arranged in solenoid；Described solenoid and solenoid Control circuit is electrically connected with；Described solenoid control circuit is electrically connected to ECU, and is controlled by ECU System.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described adsorbent equipment uses annular permanent magnnet, or homopolarity adjacent type absorbing ring, or charged hammer Homopolarity adjacent type absorbing ring.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: described homopolarity adjacent type absorbing ring includes aluminium ring shape pipeline, forward solenoid, reverse solenoid And irony magnetic conduction cap；Described forward solenoid and reverse solenoid are respectively arranged in aluminium ring shape pipeline In and by ECU control, both are connected with electric current in opposite direction so that forward solenoid and reverse helical Pipe adjacent produces like pole；Described irony magnetic conduction cap is arranged on the inwall of aluminium ring shape pipeline, It is positioned at forward solenoid and reverse solenoid adjacent and forward solenoid and reverse solenoid axle The intermediate point of line.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is arranged further For: the homopolarity adjacent type absorbing ring of described charged hammer include aluminium ring shape pipeline, forward solenoid, Reverse solenoid, irony magnetic conduction cap, dividing plate, electric shock hammer and electric magnet；Described forward solenoid and Reverse solenoid is respectively arranged in aluminium ring shape pipeline, and both are connected with electric current in opposite direction so that Forward solenoid and reverse solenoid adjacent produce like pole；Described irony magnetic conduction cap is arranged in aluminum On the inwall of matter circulating line, it is positioned at forward solenoid and reverse solenoid adjacent and forward Solenoid and the intermediate point of reverse solenoid axis；Described dividing plate is positioned at forward solenoid and reverse helical Between pipe；Described electric shock hammer and electric magnet are between dividing plate；Described electric magnet connects and can promote electricity Hammer, makes electric shock hammer tap aluminium ring shape inner-walls of duct；Described ECU is electrically connected with and controls forward spiral shell Spool, reverse solenoid and electric magnet.

The Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention is also configured to: institute The bottom mouth of pipe stating fuel sucking pipe inserts in below minimum level, and it is greater than its caliber from the bottom of oil box 2-3 times, 3 times that the tank wall distance from oil box is caliber；The bottom mouth of pipe of described fuel sucking pipe cuts Oblique angle at 45 °, and make oblique angle face toward the tank wall of oil box；Described dividing plate is left a blank up and down, leaves a blank in top More than the highest oil surface level；Described oil box uses cube structure, is provided with jettison gear bottom it.

Compared with prior art, there is advantages that

1., by making the particulate matter charged polymeric in fluid to electrode applying voltage, pass through segregation apparatus The charged particle making quality bigger is gathered in near-wall, by the magnetic force of U-shaped adsorbent equipment, gravity, Centrifugal force forms efficient absorption, utilizes the magnetic metal net on froth breaking plate to adsorb little not yet adsorbed Grain, finally avoids residual particles demagnetization endangering Hydraulic Elements in fuel sucking pipe.

2. utilizing uniform magnetic field to separate makes charged corpuscle in fluid be polymerized and be separated to tube wall；Or utilize rotation Turn magnetic field the microgranule in fluid is lined up needle-like to spin and extend out motion, thus reach the elimination that pricks a bubble The purpose of bubble；Utilize fluid to carry bubble movement velocity upwards and the U-tube close to liquid level simultaneously Oil-out makes bubble move to the Distance Shortened of liquid level, and speed is accelerated, thus improves the nature of bubble Rise release efficiency, finally utilize froth breaking plate to distribute remaining bubble；Or by helical pipe design with outer The Loulun magnetism effect adding magnetic field makes poly-being incorporated under centrifugal action of particle charge that quality is bigger get rid of Bubble in cavity wall, fluid is then shifted at the central axis of pipeline under centrifugal action.

3, simple in construction, volume is little, and processing cost is low, has granular absorption and defoaming function, and Secondary pollution will not be produced.

[accompanying drawing explanation]

Fig. 1 is the structure of the Fuel Tanking Unit using electrification, separation and adsorption treatment hydraulic oil of the present invention Schematic diagram.

Fig. 2 is the structural representation of the electric ignitor in Fig. 1.

Fig. 3 be the segregation apparatus in Fig. 1 be the structural representation of uniform magnetic field segregation apparatus.

Fig. 4 be the segregation apparatus in Fig. 1 be the structural representation of rotating excitation field segregation apparatus.

Fig. 5 be the segregation apparatus in Fig. 1 be the structural representation of helical pipe magnetic field separator.

Fig. 6 be the adsorbent equipment in Fig. 1 be the structural representation of homopolarity adjacent type absorbing ring.

Fig. 7 be the adsorbent equipment in Fig. 1 be the structural representation of the homopolarity adjacent type absorbing ring of charged hammer Figure.

Fig. 8 is the connection diagram of ECU in Fig. 1 for uniform magnetic field segregation apparatus.

Fig. 9 is the connection diagram of ECU in Fig. 1 for rotating excitation field segregation apparatus.

Figure 10 is the connection diagram of ECU in Fig. 1 for helical pipe magnetic field separator.

[detailed description of the invention]

Referring to shown in Figure of description 1 to accompanying drawing 10, the present invention is a kind of employing electrification, separates With the Fuel Tanking Unit of adsorption treatment hydraulic oil, its by oil box 1, Rose Box the 17, first oil return pipe 12, Second oil return pipe 14, U-tube 20, segregation apparatus 26, adsorbent equipment 21, permanent magnet 9, every Several parts compositions such as plate 8, fuel sucking pipe 2 and ECU3.

Wherein, described oil box 1 uses cube structure, makes to obtain bigger dissipating under identical capacity Hot side amasss.Top outside described oil box 1 is provided with air filter 10, is sequentially provided with in oil box 1 Described Rose Box 17, permanent magnet 9 and dividing plate 8.The bottom of described oil box 1 is provided with jettison gear 11, open it when changing oil and release greasy dirt.Described dividing plate, for suction, oil return being separated, forces fluid Circulating, be beneficial to heat radiation and precipitation, it is left a blank up and down, and top is left a blank more than the highest oil surface level, In order to air circulation and control cabling；And bottom is left a blank in order to oil suction, reduce air and the suction of granule. Described permanent magnet 9 is for adsorbing metal granule.Described air filter 10 makes oil box 1 with big Gas phase is led to, and it can filter the dust foreign material in air, sometimes doubles as oil filler, and it specifically can be selected for rule Lattice are EF4 50EF type air filter, and its air filtration precision is 0.105mm², oiling flow It is respectively 32L/min and 265L/min with air mass flow.

Described first oil return pipe 12 inserts in oil box 1, and connects with U-tube 20, and it electrifies Device 25.Described electric ignitor 25 as shown in Figure of description 2, its by some electrodes 251 and One electrode controller 252 forms.Described some electrodes 251 are installed on the first oil return pipe 12, its It is respectively connecting to electrode controller 252.Described electrode controller 252 is electrically connected to ECU3, and by ECU3 controls.ECU3 applies voltage by electrode controller 252 to electrode 251, makes in fluid Particulate matter is charged.

Described second oil return pipe 14 one end is connected to the first oil return pipe 12, and the other end extends into Rose Box 17.The junction of described first oil return pipe 12 and the second oil return pipe 14 is provided with an overflow valve 13.Described Overflow valve 13 is opened when the first oil return pipe 12 alluvial blocking, makes hydraulic system oil return from the second oil return Pipe 14 flows back to Rose Box 17, and it is EBG-03-C-T-50 that its optional YUKEN Japan oil grinds model EBG type electricity one liquid proportional overflow valve.The highest use operating pressure of this proportional pressure control valve is 25 MPa, maximum stream flow is 100L/rain, and minimum discharge is 3L/rain, pressure regulation spectrum be 0.4～ 16MPa, rated current is 770mA, and coil resistance is 10 ohm.

Described U-tube 20 is positioned at Rose Box 17, and it is sequentially installed with described segregation apparatus 26 With adsorbent equipment 21.The outlet of described U-tube 20 is located close to the lower section at liquid level, it is therefore an objective to contracting Short bubble floating distance, in quickening fluid, bubble distributes speed naturally.

Being provided with bottom described Rose Box 17 every magnetic leg 18, top is provided with disappearing of downward-sloping setting Bubble plate 23.Described froth breaking plate 23 surface is equipped with one layer of magnetic metal net 24.In order to avoid Rose Box 17 liquid levels cause splashing to bubble less than oil return outlet, are provided with non-return at Rose Box 17 at liquid level Valve 30, the position of this valve is positioned at below minimum level, it is ensured that the height of Rose Box 17 inner fluid is not Less than external fuel tank.The fluid of U-tube 20 outlet is from Rose Box 17 overflow, and along froth breaking plate 23 Surface occur diffusion and mix with the fluid in oil box 1, the least significant end of froth breaking plate 23 want Below minimum liquid level, bubble to prevent from splashing.Described magnetic metal net 24 is used for adsorbing in fluid The particle object of remaining so that the bubble that oil return is carried only is assembled at the liquid level of Rose Box 17, bubble Naturally the distance distributed is short, and speed is fast；Hydraulic oil in froth breaking plate 23 and fuel tank is also at liquid level Mixing, it is to avoid the inlet port of tank bottoms sucks these bubbles.

Described fuel sucking pipe 2 inserts oil box 1, which is provided with oil filter 6, demagnetizer 5 and remanent magnetism and passes Sensor 4, the distance between itself and first oil return pipe the 12, second oil return pipe 14 is as far as possible.This suction The bottom mouth of pipe of oil pipe 2 inserts in below minimum level, and it is greater than its caliber from the bottom of oil box 1 2-3 times, in order to avoid the foaming that is emptied and splashes；3 times that tank wall distance from oil box 1 is caliber, So as four sides oil-feed.Further, the bottom mouth of pipe of described fuel sucking pipe 2 is cut into 45 ° of oblique angles, and makes Oblique angle, facing to the tank wall of oil box 1, to increase hydraulic fluid port flow area, and makes inclined-plane face toward tank wall, with Profit heat radiation and precipitated impurities.Described oil filter 6 is used for protecting the gear pump being connected with fuel tank so that it is no Causing to suck bigger solid impurity, it specifically uses filtering accuracy to be 180um, the pressure loss≤ The model that 0.01MPa, flow are 250L/min, latus rectum is 50mm, use flange to couple is The well strainer of WU-250xlSOF.Described demagnetizer 5 can prevent residual magnetism microgranule from entering hydraulic pressure Sensitive Hydraulic Elements are caused damage by loop；And ECU3 is according to the detected value control of remanent magnetism sensor 4 The demagnetization intensity of demagnetizer 5 processed.The demagnetization method of described demagnetizer 5 is electromagnetism demagnetization, and method is logical Cross the opposing magnetic field that to add suitable so that the magnetic induction in material comes back to zero point, and magnetic field Intensity or electric current must invert in order and gradually reduce, it is to avoid due to the existence of hysteresis, work as ferrum Magnetic material magnetization is to after saturation, even if cancelling externally-applied magnetic field, the magnetic induction in material still returns Produce less than the problem of zero point.

Described segregation apparatus 26 make particle charge that quality is bigger poly-be incorporated under centrifugal action get rid of to Cavity wall, the bubble in fluid then shifts at the central axis of pipeline under centrifugal action, and it can be adopted With uniform magnetic field segregation apparatus, rotating excitation field segregation apparatus or helical pipe magnetic field separator.

Referring to shown in Figure of description 3, described segregation apparatus 26 uses uniform magnetic field segregation apparatus Time, it is made up of 261, two magnetic poles 262 of aluminum matter pipeline and magnetic pole controller 263.Wherein, Said two magnetic pole 262 is separately positioned on aluminum matter pipeline 261, the polarity phase of these two magnetic poles 262 Instead, and in being oppositely arranged.Said two magnetic pole 262 is respectively and electrically connected on magnetic pole controller 263. Described magnetic pole controller 263 is electrically connected to ECU3, and by ECU3 control.

The design principle of described uniform magnetic field segregation apparatus 26 is as follows: charged particle flows into speed V Uniform magnetic field segregation apparatus 26, two magnetic poles 262 of uniform magnetic field segregation apparatus 26 are controlled by ECU3 System produces the uniform magnetic field vertical with speed V direction, and according to left hand rule, then charged particle is uniformly By being perpendicular to acting on of the Loulun magnetism of velocity attitude and magnetic direction in magnetic field separator 26, This power does not change the speed of charged particle, and it only changes the direction of motion of charged particle, makes charged particle Under this force to the vessel wall motion of aluminum matter pipeline 261, so that the granule in fluid is from fluid In " separation " out, to tube wall assemble, it is simple to subsequent adsorbtion capture.Owing to fluid has certain Viscosity, granule is also acted on by viscous drag during vessel wall motion.In order to ensure separating effect, Need regulate magnetic field intensity B make distance tube wall farthest granule can be within the action time of segregation apparatus Moving at tube wall, quantitative analysis is as follows:

Assuming that particle mass is m, speed is v, and magnetic field intensity is B, and carried charge is q, segregation apparatus A diameter of D, a length of L, then:

Acting on the Loulun magnetism on charged particle is

F_l=qvB

The viscous drag that charged particle is subject to is

F_d=6 π η r v

Charged of the radius v of η hydraulic pressure oil viscosity r charged particle Grain movement velocity

It not general, it is assumed that the granule in fluid has reached stable state when entering segregation apparatus, the most charged Granule can be approximated by the time of segregation apparatus and represent with following formula

$t_1=\frac{L}{v}$

The charged particle of distance tube wall farthest moves to the time t at tube wall₂Can be solved by following formula

$D=\frac{mg}{qB-6\mathrm{\π}\mathrm{\η}r}t-{\left(\frac{mg}{qB-6\mathrm{\π}\mathrm{\η}r}\right)}^2(1-e^{-\frac{qB-6\mathrm{\π}\mathrm{\η}r}{m}t})$

Regulation B so that t₁>t₂, i.e. can reach separating effect.

Referring to shown in Figure of description 4, described segregation apparatus 26 uses rotating excitation field segregation apparatus Time, it is by aluminum matter pipeline 261, iron shell 264, three-phase symmetric winding 265 and three-phase symmetrical Current module 266 parts such as grade form.Described three-phase symmetric winding 265 is wound on outside aluminum matter pipeline 261. Described iron shell 264 is coated on aluminum matter pipeline 265.Described three-phase symmetrical current module 266 is even Connect described three-phase symmetric winding 265, and by ECU3 control.

The design principle of described rotating excitation field segregation apparatus 26 is as follows: charged particle flows into speed V Rotating excitation field segregation apparatus 26, ECU3 controls three-phase symmetrical current module 266, make three-phase symmetrical around Flowing through three-phase symmetrical electric current in group 265, this electric current produces rotating excitation field in aluminum matter pipeline 261, band Electricity granule under rotating excitation field effect by being perpendicular to the Loulun magnetism of velocity attitude and magnetic direction Effect, this power does not change the speed of charged particle, and it only changes the direction of motion of charged particle, makes band Electricity granule the most spirally advances, and to vessel wall motion.Reasonable adjusting magnetic field intensity The granule in fluid can be made " to separate " out from fluid, be gathered in near-wall, it is simple to follow-up Absorption capture.Owing to fluid has certain viscosity, granule during vessel wall motion also by viscosity The effect of resistance.In order to ensure separating effect, need to make the microgranule on aluminum matter pipeline 261 axis can be Moving in the action time of segregation apparatus at tube wall, quantitative analysis is as follows:

Assuming that particle mass is m, speed is v, and magnetic field intensity is B, and carried charge is q, segregation apparatus A diameter of D, a length of L, then:

Acting on the Loulun magnetism on charged particle is

F_l=qvB

The viscous drag that charged particle is subject to is

F_d=6 π η r v

Charged of the radius v of η hydraulic pressure oil viscosity r charged particle Grain movement velocity

Assuming that the granule in fluid has reached stable state when entering segregation apparatus, then charged particle is by separating The time of device can approximate and represent with following formula

$t_1=\frac{L}{v}$

Charged particle on conduit axis moves to the time t at tube wall₂Can be solved by following formula

$\frac{D}{2}=\frac{mg}{qB-6\mathrm{\π}\mathrm{\η}r}t-{\left(\frac{mg}{qB-6\mathrm{\π}\mathrm{\η}r}\right)}^2(1-e^{-\frac{qB-6\mathrm{\π}\mathrm{\η}r}{m}t})$

Regulation B so that t₁>t₂, i.e. can reach separating effect.

Referring to shown in Figure of description 5, described segregation apparatus 26 uses helical pipe magnetic field separation During device, it is by aluminum matter helical pipe 268, solenoid 269 and solenoid control circuit 266 groups Become.Wherein, described aluminum matter helical pipe 268 is arranged in solenoid 269.Described solenoid 269 It is electrically connected with solenoid control circuit 266.Described solenoid control circuit 266 is electrically connected to ECU3, and by ECU3 control.

The design principle of described helical pipe magnetic field separator 26 is as follows: carry the oil of charged particle Liquid advances along aluminum matter helical pipe 268, thus produces at pipeline exit and have certain spin direction Eddy flow, the charged particle of heavier mass rotates along with fluid, produces under the influence of centrifugal force to tube wall Radial motion；Simultaneously as the Way in of aluminum matter helical pipe 268 and energization solenoid 269 Axial magnetic field direction vertical, enter the charged particle of aluminum matter helical pipe 268 by Lip river with speed v The effect of logical sequence magnetic force, direction is perpendicular to magnetic direction and the Way in of aluminum matter helical pipe 268.Lip river Logical sequence magnetic force makes charged particle spin in pipeline forward travel, due to entering of aluminum matter helical pipe 268 Mouthful direction and magnetic direction are close to vertical, and charged particle mainly rotates in a circumferential direction motion, and fluid is the most not Impacted, thus realize granule " separation " from fluid, in order to realize the absorption to granule.For Ensure " separation " effect, need to make the microgranule on aluminum matter conduit axis can be when the effect of segregation apparatus In move at tube wall, quantitative analysis is as follows:

Assuming that particle mass is m, speed is v, and carried charge is q, a diameter of D of aluminum matter helical pipe, The number of turn of aluminum matter helical pipe is n, the Way in of aluminum matter helical pipe and energization solenoid axial The angle of magnetic direction is θ, and the solenoid number of turn is N, and electric current is I, and magnetic field intensity is B, Vacuum Magnetic Conductance is μ₀, then:

Acting on the Loulun magnetism on charged particle is

F_l=qvB

The viscous drag that charged particle is subject to is

F_d=6 π η r v

Charged of the radius v of η hydraulic pressure oil viscosity r charged particle Grain movement velocity

Charged particle can be approximated by the time of segregation apparatus and represent with following formula

$t_1=\frac{qBnD}{2\mathrm{\π}mvcos\mathrm{\θ}}$

Charged particle on conduit axis moves to the time t at tube wall₂Can be solved by following formula

$\frac{D}{2}=vsin\mathrm{\θ}\frac{m}{qB+6\mathrm{\π}\mathrm{\η}r}(1-e^{-\frac{qB+6\mathrm{\π}\mathrm{\η}r}{m}t})$

Magnetic field intensity within solenoid can be approximately constant

$I=\frac{B}{\mathrm{\μ}N}$

Regulation I so that t₁>t₂, i.e. can reach separating effect.

Referring to shown in Figure of description 6 to accompanying drawing 7, described adsorbent equipment 21 is used for adsorbing through dividing The big microgranule of magnetic polymeric after device 26, it can use annular permanent magnnet, or homopolarity is adjacent Type absorbing ring, or the homopolarity adjacent type absorbing ring of charged hammer.

Further, when described adsorbent equipment 21 uses homopolarity adjacent type absorbing ring, this homopolarity is adjacent Type absorbing ring is by aluminium ring shape pipeline 211, forward solenoid 212, reverse solenoid 213 and irony Magnetic conduction cap 214 parts such as grade form.Wherein, described forward solenoid 212 and reverse solenoid 213 points In not being arranged in aluminium ring shape pipeline 211 and by ECU3 control, both are connected with electric current in opposite direction, Forward solenoid 212 and reverse solenoid 213 adjacent is made to produce like pole.Described irony is led Magnetic cap 214 is arranged on the inwall of aluminium ring shape pipeline 211, and it is positioned at forward solenoid 212 with anti- To solenoid 213 adjacent and forward solenoid 212 and the centre of reverse solenoid 213 axis Point.

The design principle of described homopolarity adjacent type absorbing ring is as follows: energising forward solenoid 212, reversely Solenoid 213, adjacent forward solenoid 212, reverse solenoid 213 are connected with electricity in opposite direction Stream so that forward solenoid 212, reverse solenoid 213 adjacent produce like pole；Meanwhile, Aluminium ring shape pipeline 211 can improve magnetic circuit, strengthens the magnetic field intensity at inner-walls of duct, strengthens irony The magnetic conduction cap 214 capture absorbability to granule.Each forward solenoid 212, reverse solenoid 213 Electric current is directly controlled by ECU3, can be different with concentration and change, to obtain according to the size of granule Obtain optimal adsorption performance.

Further, the homopolarity adjacent type absorbing ring that described adsorbent equipment 21 may be used without charged hammer Time, the homopolarity adjacent type absorbing ring of this charged hammer by aluminium ring shape pipeline 211, forward solenoid 212, Reverse solenoid 213, irony magnetic conduction cap 214, dividing plate 215, electric shock hammer 216 and electric magnet 217 Form Deng parts.Wherein, described forward solenoid 212 and reverse solenoid 213 are respectively arranged in aluminum In matter circulating line 211 and by ECU3 control, both are connected with electric current in opposite direction so that forward Solenoid 212 and reverse solenoid 213 adjacent produce like pole.Described irony magnetic conduction cap 214 Being arranged on the inwall of aluminium ring shape pipeline 211, it is positioned at forward solenoid 212 and reverse solenoid 213 adjacents and forward solenoid 212 and the intermediate point of reverse solenoid 213 axis.Described Electric shock hammer 216 and electric magnet 217 are between dividing plate 215.Described electric magnet 217 connects and can push away Galvanic electricity hammer 216, makes electric shock hammer 216 percussion aluminium ring shape pipeline 212 inwall.Described ECU3 electricity Property connects and controls forward solenoid 212, reverse solenoid 213 and electric magnet 217.

The design principle of the homopolarity adjacent type absorbing ring of described charged hammer is as follows: energising forward solenoid 212, reverse solenoid 213, adjacent forward solenoid 212, reverse solenoid 213 are connected with direction Contrary electric current so that forward solenoid 212, reverse solenoid 213 adjacent produce like pole； Meanwhile, aluminium ring shape pipeline 211 can improve magnetic circuit, strengthens the magnetic field intensity at inner-walls of duct, increases The strong irony magnetic conduction cap 214 capture absorbability to granule.Each forward solenoid 212, reverse helical Pipe 213 electric current is directly controlled by ECU3, can be different with concentration and change according to the size of granule, To obtain optimal adsorption performance.And by the setting of electric shock hammer 216, prevent granule at irony magnetic conduction cap Bulk deposition at 214, affects adsorption effect.Now, electric shock hammer 216 is controlled by electric magnet 217 Tap the inwall of pipeline 211 so that adsorbed granule scatter to both sides.Meanwhile, pipe is being cleaned During road 211, the percussion of electric shock hammer 216 can also improve cleaning performance.

Referring to shown in Figure of description 8 to 10, described ECU3 may select Microchip company PIC16F877, it is electrically connected with electric ignitor 25, segregation apparatus 26, adsorbent equipment 21, disappears The parts such as chinaware 5 and remanent magnetism sensor 4.Described ECU3 can be according to different types of segregation apparatus 26 And be replaced.

The processing step using above-mentioned fuel tank to process backflow force feed is as follows:

1), backflow force feed delivers to electric ignitor 25, by electrode control by the first oil return pipe 12 Device 252 applies voltage to electrode 251, makes the particulate matter in fluid charged, delivers to afterwards separate dress Put 26；

2), the charged corpuscle in fluid is made to gather to tube wall under the effect of external force by segregation apparatus 26 Closing, adsorbent equipment 21 is delivered in oil return afterwards；

3), being adsorbed the magnetic polymeric microgranule in oil return by adsorbent equipment 21, U is delivered in oil return afterwards Type pipe 20；

4), U-tube 20 is exported by it and oil return enters Rose Box 17；

5), the oil return of Rose Box 17 spill-over is spread along the surface of froth breaking plate 23, and and fuel tank Fluid in body 1 mixes, and makes the bubble of fluid naturally be dispersed in air；And froth breaking plate 23 On magnetic metal net 24 adsorb in fluid the particle object of remaining；

6) air when, utilizing the dividing plate 8 in oil box 1 and permanent magnet 9 to remove oil-feed and granule；

7), by fuel sucking pipe 2 by the fluid sucking-off of oil box 1, and the demagnetization on fuel sucking pipe 2 is utilized Device 5 eliminates magnetic particle magnetic, prevents residual magnetism microgranule from entering hydraulic circuit, to sensitive hydraulic pressure unit Part causes damage.

Above detailed description of the invention is only the preferred embodiment of this creation, not in order to limit this wound Make, all any modification, equivalent substitution and improvement etc. done within this spirit created and principle, Within should be included in the protection domain of this creation.

Claims (10)

1. one kind uses electrification, separation and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: include oil box, Rose Box, the first oil return pipe, the second oil return pipe, U-tube, segregation apparatus, adsorbent equipment, permanent magnet, dividing plate, fuel sucking pipe and ECU；Wherein, the top outside described oil box is provided with air filter, is sequentially provided with described filter box, permanent magnet and dividing plate in oil box；Described first oil return pipe inserts in oil box, and connects with U-tube, which is provided with electric ignitor；Described second oil return pipe one end is connected to the first oil return pipe, and the other end extends into Rose Box；The junction of described first oil return pipe and the second oil return pipe is provided with an overflow valve；Described U-tube is positioned at Rose Box, and it is sequentially installed with described segregation apparatus and the first adsorbent equipment；Being provided with bottom described Rose Box every magnetic leg, top is provided with the froth breaking plate of downward-sloping setting；Described froth breaking plate surface is equipped with one layer of magnetic metal net；Described fuel sucking pipe inserts oil box, which is provided with oil filter, demagnetizer and remanent magnetism sensor；Described ECU is electrically connected with electric ignitor, segregation apparatus, adsorbent equipment, demagnetizer and remanent magnetism sensor.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described Denso is made and is included some electrodes and an electrode controller；Described some electrodes are installed on the first oil return pipe, and it is respectively connecting to electrode controller；Described electrode controller is electrically connected to ECU, and by ECU control.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described segregation apparatus uses uniform magnetic field segregation apparatus, rotating excitation field segregation apparatus or helical pipe magnetic field separator.

Use electrification the most as claimed in claim 3, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described uniform magnetic field segregation apparatus includes aluminum matter pipeline, two magnetic poles and magnetic pole controller；Wherein, said two magnetic pole is separately positioned on aluminum matter pipeline, the opposite polarity of these two magnetic poles, and in being oppositely arranged；Said two magnetic pole is respectively and electrically connected on magnetic pole controller；Described magnetic pole controller is electrically connected to ECU, and by ECU control.

Use electrification the most as claimed in claim 3, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described rotating excitation field segregation apparatus includes aluminum matter pipeline, iron shell, three-phase symmetric winding and three-phase symmetrical current module；Described three-phase symmetric winding is wound on outside aluminum matter pipeline；Described iron shell is coated on aluminum matter pipeline；Described three-phase symmetrical current module connects described three-phase symmetric winding, and by ECU control.

Use electrification the most as claimed in claim 3, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described helical pipe magnetic field separator includes aluminum matter helical pipe, solenoid and solenoid control circuit；Wherein, described aluminum matter helical pipe is arranged in solenoid；Described solenoid and solenoid control circuit are electrically connected with；Described solenoid control circuit is electrically connected to ECU, and by ECU control.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described adsorbent equipment uses annular permanent magnnet, or homopolarity adjacent type absorbing ring, or the homopolarity adjacent type absorbing ring of charged hammer.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: described homopolarity adjacent type absorbing ring includes aluminium ring shape pipeline, forward solenoid, reverse solenoid and irony magnetic conduction cap；Described forward solenoid and reverse solenoid are respectively arranged in aluminium ring shape pipeline and by ECU control, and both are connected with electric current in opposite direction so that forward solenoid and reverse solenoid adjacent produce like pole；Described irony magnetic conduction cap is arranged on the inwall of aluminium ring shape pipeline, and it is positioned at forward solenoid and reverse solenoid adjacent and forward solenoid and the intermediate point of reverse solenoid axis.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterised in that: the homopolarity adjacent type absorbing ring of described charged hammer includes aluminium ring shape pipeline, forward solenoid, reverse solenoid, irony magnetic conduction cap, dividing plate, electric shock hammer and electric magnet；Described forward solenoid and reverse solenoid are respectively arranged in aluminium ring shape pipeline, and both are connected with electric current in opposite direction so that forward solenoid and reverse solenoid adjacent produce like pole；Described irony magnetic conduction cap is arranged on the inwall of aluminium ring shape pipeline, and it is positioned at forward solenoid and reverse solenoid adjacent and forward solenoid and the intermediate point of reverse solenoid axis；Described dividing plate is between forward solenoid and reverse solenoid；Described electric shock hammer and electric magnet are between dividing plate；Described electric magnet connects and can promote electric shock hammer, makes electric shock hammer tap aluminium ring shape inner-walls of duct；Described ECU is electrically connected with and controls forward solenoid, reverse solenoid and electric magnet.

Use electrification the most as claimed in claim 1, separate and the Fuel Tanking Unit of adsorption treatment hydraulic oil, it is characterized in that: the bottom mouth of pipe of described fuel sucking pipe inserts in below minimum level, it is greater than 2-3 times of its caliber from the bottom of oil box, 3 times that the tank wall distance from oil box is caliber；The bottom mouth of pipe of described fuel sucking pipe is cut into 45 ° of oblique angles, and makes oblique angle face toward the tank wall of oil box；Described dividing plate is left a blank up and down, leaves a blank more than the highest oil surface level in top；Described oil box uses cube structure, is provided with jettison gear bottom it.