CN105864117A - Oil tank for treating hydraulic oil through magnetization, cyclone centrifugation, adsorption and rotating magnetic field - Google Patents

Abstract

The invention relates to an oil tank for treating hydraulic oil through magnetization, cyclone centrifugation, adsorption and a rotating magnetic field. An air filter is arranged on the top of the outside of an oil tank body, and a filtering tank, a permanent magnet, a partition and a heater are sequentially arranged inside the oil tank body; a first oil returning pipe is inserted into the oil tank body, connected with a U-type pipe and provided with a cooler and a temperature sensor; one end of a second oil returning pipe is connected to the first oil returning pipe, and the other end of the second oil returning pipe extends into the filtering tank; the U-type pipe is sequentially provided with a magnetization device, a cyclone centrifugation device, a first adsorption device, a rotating magnetic field device and a second adsorption device; a downwards-inclined defoaming board is installed on the top of the filtering tank; a layer of magnetic metal net is laid on the surface of the defoaming board; and an oil suction pipe is inserted into the oil tank body and provided with an oil filter, a magnetic eraser and a residual magnetism sensor. The mechanical, electrical, magnetic and other technologies are combined, so that solid particles are gathered to the pipe wall to be adsorbed and separate out or melt through air, the structure is simple, the cost is low, and the oil liquid purification capacity is high.

Description

Magnetization, eddy flow is used to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed

[technical field]

The present invention relates to the fuel tank in a kind of hydraulic system, be specifically related to one and use magnetization, eddy flow to be centrifuged, adsorb and rotary magnetic The fuel tank of field treatment fluid force feed, belongs to hydraulic oil container technical field.

[background technology]

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

Containing the air of about 9% volume under atmospheric pressure and room temperature condition in fluid, portion of air dissolves in fluid In, the mechanical performance of the Air On Hydraulic System of this dissolved state, the volume modulus of fluid and viscosity also will not produce Significantly affect, the most negligible；Another part is free in fluid with the bubble form of 0.05mm～0.5mm diameter, shape Become cavitation, be noise, body corrosion and the main cause of volumetric efficiency reduction.Heat meeting is produced when bubble is drastically compressed Cause oil temperature to raise, accelerate fluid oxidation and sealing member is aging, make oil lubrication hydraulic performance decline.The bubble that adulterates in fluid also can drop The rigidity of low fluid, cause automatically controlling malfunctioning, operating mechanism's intermittent movement, position inaccurate or fix drift etc. bad after Really.

Solid particle is the pollutant the most universal in hydraulic system, damaging effect is maximum.According to statistics, due to solid The hydraulic system fault that grain pollutant cause accounts for the 70% of gross contamination fault.In particulate pollutant in hydraulic system oil liquid, Metal filings occupies certain ratio, and according to different situations, typically between 20% ~ 70%, this part metals abrasive dust is main Come from the abrasion of element.Therefore, the solid grain contamination in degreasing fluid of adopting an effective measure, is hydraulic system pollution control Another importance of system.

The hydraulic means used in the production equipment of factory, construction machinery is made up of hydraulic circuit and fuel tank.Fuel tank stores The hydraulic oil provided to hydraulic circuit and the oil return refluxed from hydraulic circuit.Flow in the hydraulic system oil return of fuel tank and contain Various metals and colloidal particles pollutant, the most also include the air existed with bubble shape, and the existence of these pollutant can be led Cause hydraulic system hydraulic performance decline even to break down.

Eliminating problem for solving above-mentioned granule, Chinese utility model patent (Authorization Notice No. CN 203816790 U) is public Having opened a kind of centrifugal oil purifier, it includes oil pipe before the purification that equipment fuel tank and equipment fuel tank are drawn, and before this purification, oil pipe depends on Secondary connection service tank, self priming pump, centrifugal basket, after this centrifugal basket connects purification, oil pipe is connected to equipment fuel tank, also includes true Empty pump is connected with service tank；In described service tank, wherein it is provided with strong magnetic Magnet.Therefore, when fluid enter centrifugal barrel it Front by the metal impurities absorption in fluid, reduce the metallic particles abrasion to equipment, be 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 centrifugal device, equipment is complicated, and cost is high, can bring secondary pollution to fluid simultaneously.

2. fuel tank volume is relatively big, and the magnetic conductivity of fluid is poor, and strong magnetic Magnet is to the active force of micron particles in fluid relatively Little, cause adsorption time long, the problems such as adsorption effect is poor.

3. part magnetic microparticles enters hydraulic circuit, and absorption causes element fault on Hydraulic Elements and is difficult to cleaning Remove.

And be to solve above-mentioned bubble to eliminate problem, conventional way is to arrange longitudinal baffle in fuel tank, extends fluid and exists The time of staying in fuel tank, should arrange far into and out of hydraulic fluid port as far as possible, and increase the volume of fuel tank.But, owing to mixing oil return Bubble the least and oil viscosity is of a relatively high, therefore there is problems in that bubble rises to pasta and is scattered in air need Long period, hydraulic means cannot be carried out work during this period.

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

Therefore, for solving above-mentioned technical problem, necessary offer one uses magnetization, eddy flow to be centrifuged, adsorb and rotate The fuel tank of magnetic field treatment fluid force feed, to overcome described defect of the prior art.

[summary of the invention]

For the above-mentioned technical problem of solution, it is an object of the invention to provide one and use magnetization, eddy flow to be centrifuged, adsorb and rotary magnetic The fuel tank of field treatment fluid force feed, combines technology such as machinery, electricity, magnetic, makes solid particle gather tube wall absorption, makes air analyse Go 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: use magnetization, eddy flow to be centrifuged, adsorb and rotary magnetic The fuel tank for the treatment of fluid force feed, it include oil box, Rose Box, the first oil return pipe, the second oil return pipe, U-tube, magnetizing assembly, Eddy flow centrifugal device, the first adsorbent equipment, rotating magnetic field device, the second adsorbent equipment, permanent magnet, dividing plate, heater, oil suction Pipe and ECU；Wherein, the top outside described oil box is provided with air filter, is sequentially provided with described Rose Box, forever in oil box Magnet, dividing plate and heater for a long time；Described first oil return pipe inserts in oil box, and and U-tube connect, which is provided with cooler and Temperature sensor；Described second oil return pipe one end is connected to the first oil return pipe, and the other end extends into Rose Box；Described U-tube position In Rose Box, it is sequentially installed with described magnetizing assembly, eddy flow centrifugal device, the first adsorbent equipment, rotating magnetic field device With the second 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 remains Magnetic Sensor；Described eddy flow centrifugal device includes eddy flow tube wall, the first flow deflector, the second flow deflector, motor and flow Sensor；Wherein, described first flow deflector is provided with 3, and these 3 first flow deflectors are uniformly distributed along tube wall inner periphery every 120 °, Its laying angle is set to 18 °；Described second flow deflector and the first flow deflector structure are identical, after it is arranged on the first flow deflector, and and First flow deflector staggers 60 ° and is connected in tube wall, and its laying angle is set to 36 DEG C；Described motor connects and drives the first water conservancy diversion Sheet and the second flow deflector, to regulate laying angle；Described flow transducer is arranged on the central authorities in tube wall；Described ECU is the most electrically Connect cooler, temperature sensor, magnetizing assembly, motor, flow transducer, the first adsorbent equipment, rotating magnetic field device, Second adsorbent equipment, heater, demagnetizer and remanent magnetism sensor.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: The junction of described first oil return pipe and the second oil return pipe is provided with an overflow valve.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: Described magnetizing assembly includes aluminum matter pipeline, some windings, iron shell, flange and some magnetizing current output modules；Wherein, Described some windings are rotating around outside aluminum matter pipeline, and each winding is made up of positive winding and inverse winding；Described iron shell is coated on On aluminum matter pipeline；Described flange welding is at the two ends of aluminum matter pipeline；Each magnetizing current output module is connected to a winding, and by ECU controls.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: The long limit of described first flow deflector is connected with tube wall, and minor face extends along the axis of tube wall；Its leading edge frustrates into obtuse, and trailing edge is processed into Wing, its height is 0.4 times of tube wall diameter, 1.8 times of a length of tube wall diameter.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: Described first adsorbent equipment uses annular permanent magnnet, or homopolarity adjacent type absorbing ring, or the adjacent type of homopolarity of charged hammer is inhaled Follower ring；Described second adsorbent equipment is identical with described first adsorbent equipment structure.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: 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 in opposite direction Electric current so that forward solenoid and reverse solenoid adjacent produce like pole；Described irony magnetic conduction cap is arranged in aluminium ring On the inwall of shape pipeline, it is positioned at forward solenoid and reverse solenoid adjacent and forward solenoid and reverse solenoid The intermediate point of axis.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: 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, 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 electricity 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 pipe Road inwall；Described ECU is electrically connected with and controls forward solenoid, reverse solenoid and electric magnet.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: Described rotating magnetic field device includes aluminum matter pipeline, iron shell, three-phase symmetric winding, flange 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 flange welding is at aluminum The two ends of matter pipeline；Described three-phase symmetrical current module connects described three-phase symmetric winding, and by ECU control.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is further arranged to: The bottom mouth of pipe of described fuel sucking pipe inserts in below minimum level, and it is greater than 2-3 times of its caliber from the bottom of oil box, from oil 3 times that the tank wall distance of casing 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 oil box Tank wall.

Using of the present invention magnetizes, eddy flow is centrifugal, adsorb and the fuel tank of rotating excitation field treatment fluid force feed is also configured to: described Dividing plate is left a blank up and down, leaves a blank more than the highest oil surface level in top；The bottom of described oil box is provided with jettison gear.

Compared with prior art, there is advantages that

1, by controlling temperature and the magnetic field intensity of hydraulic oil, make the force-magnetized bulky grain that is gathered into of the granule in fluid, and promote Make colloidal particles decompose to melt；The magnetized particles that eddy flow centrifugal device makes quality bigger is thrown toward cavity wall；By U-shaped adsorbent equipment Magnetic force, gravity, centrifugal force formed efficient absorption；Rotating excitation field is utilized " to be separated " and gather pipe by the molecule in fluid Near wall, capture molecule with adsorbent equipment；The magnetic metal net on froth breaking plate is utilized to adsorb the little granule not yet adsorbed, After in fuel sucking pipe to residual particles demagnetization, it is to avoid harm Hydraulic Elements integral particle absorption.

2, by controlling temperature and the magnetic field intensity of hydraulic oil, the bubble in fluid is made to melt in magneticaction lower part, Residual bubble is then shifted at the central axis of pipeline under centrifugal action；Utilize rotating excitation field that the microgranule in fluid is lined up pin Shape is spinned and is extended out motion, thus reaches to prick a bubble and eliminate the purpose of bubble；And strengthening bubble is set by what U-tube exported Naturally rise emission efficiency, utilize froth breaking plate to distribute the overall fluid froth breaking of remaining bubble.

3, simple in construction, volume is little, and processing cost is low, has granular absorption and defoaming function, and it is dirty to produce secondary Dye.

[accompanying drawing explanation]

Fig. 1 be the present invention use that magnetization, eddy flow be centrifugal, the structural representation of the fuel tank of absorption and rotating excitation field treatment fluid force feed Figure.

Fig. 2 is the structural representation of the magnetizing assembly in Fig. 1.

Fig. 3 is the structural representation of the winding in Fig. 2.

Fig. 4 is the circuit diagram of the magnetizing current output module in Fig. 3.

Fig. 5 is the horizontal schematic diagram of the eddy flow centrifugal device in Fig. 1.

Fig. 6 is the radial direction schematic diagram of the eddy flow centrifugal device in Fig. 1.

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

Fig. 8 be the adsorbent equipment in Fig. 1 be the structural representation of the homopolarity adjacent type absorbing ring of charged hammer.

Fig. 9 is the structural representation of the rotating magnetic field device in Fig. 1.

Figure 10 is the connection diagram of ECU in Fig. 1.

[detailed description of the invention]

Referring to shown in Figure of description 1 to accompanying drawing 10, the present invention is that a kind of employing magnetizes, eddy flow is centrifugal, adsorbs and rotary magnetic The fuel tank of field treatment fluid force feed, it is by oil box 1, Rose Box the 17, first oil return pipe the 12, second oil return pipe 14, U-tube 20, magnetic Gasifying device 19, eddy flow centrifugal device the 26, first adsorbent equipment 21, rotating magnetic field device the 27, second adsorbent equipment 28, permanent magnet 9, several parts such as dividing plate 8, heater 7, fuel sucking pipe 2 and ECU3 composition.

Wherein, the top outside described oil box 1 is provided with air filter 10, is sequentially provided with described Rose Box in oil box 1 17, permanent magnet 9, dividing plate 8 and heater 7.The bottom of described oil box 1 is provided with jettison gear 11, opens it and put when changing oil Walk greasy dirt.Further, described heater 7 is electric heater, and it uses the lubricating oil of Chongqing gold letter of band temperature detection own Heater.Described dividing plate, for suction, oil return being separated, forces oil circulation to flow, and is beneficial to heat radiation and precipitation, and it is left a blank up and down, 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 Suction with granule.Described permanent magnet 9 is for adsorbing metal granule.Described air filter 10 makes oil box 1 and big gas phase Logical, it can filter the dust foreign material in air, sometimes doubles as oil filler, and it specifically can be selected for specification is EF4 50EF type air Filter, its air filtration precision is 0.105mm², oiling flow and air mass flow are respectively 32L/min and 265L/min.

Described first oil return pipe 12 inserts in oil box 1, and connects with U-tube 20, which is provided with cooler 15 and temperature Sensor 16.Owing to hydraulic medium normal oil temperature typically should control in the range of 15-65 DEG C.High oil temperature, will make fluid rapid Aged deterioration, makes the viscosity of fluid reduce simultaneously, and in causing element, amount of leakage increases, and system effectiveness reduces；Oil temperature is too low, will make The viscosity of fluid is excessive, causes hydraulic oil pump oil suction difficulty.Described cooler 15 can reduce returning-oil temperature, for follow-up magnetization Device 19 provides optimal magnetization temperature, the most also has control panel heat radiation in fluid viscosity reduction, fuel tank concurrently, makes fuel tank trouble free service Deng effect, it can be selected for remover for surface evaporation type air cooling, the advantage having water-cooled and air cooling concurrently, good heat dissipation effect, uses light pipe, fluid Resistance is little；The fin type of air cooler is required to be high wing, and finned tube selects KLM type finned tube, good heat-transfer, and thermal contact resistance is little, wing Sheet and pipe contact area are big, and closely, firmly, it is good to bear cold and hot sudden turn of events ability, and fin root weather-resistant performance is high in laminating； The bank of tubes number of air cooler is 8.Described temperature sensor 16 uses platinum resistance temperature sensor, and ECU3 examines according to temperature sensor 16 The temperature data measured goes to control the rotation speed of the fan in cooler 15, regulates oil return liquid temp with this.

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.Described first The junction of oil return pipe 12 and the second oil return pipe 14 is provided with an overflow valve 13.Described overflow valve 13 is stifled in the first oil return pipe 12 alluvial Opening during plug, make hydraulic system oil return flow back to Rose Box 17 from the second oil return pipe 14, its optional YUKEN Japan oil grinds model and is The EBG type electricity one liquid proportional overflow valve of EBG-03-C-T-50.The highest use operating pressure of this proportional pressure control valve is 25 MPa, Maximum stream flow is 100L/rain, and minimum discharge is 3 L/rain, and pressure regulation spectrum is 0.4～16 MPa, and rated current is 770mA, coil resistance is 10 ohm.

Described U-tube 20 is positioned at Rose Box 17, and it is sequentially installed with described magnetizing assembly 19, eddy flow centrifugal device 26, the first adsorbent equipment 21, rotating magnetic field device 27 and the second adsorbent equipment 28.The outlet of described U-tube 20 is located close to liquid Lower section at face, it is therefore an objective to shorten 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 the froth breaking plate 23 of downward-sloping setting.Described Froth breaking plate 23 surface is equipped with one layer of magnetic metal net 24.In order to avoid Rose Box 17 liquid level causes splashing less than oil return outlet Bubbling, be provided with check-valves 25 at Rose Box 17 at liquid level, the position of this valve is positioned at below minimum level, it is ensured that Rose Box The height of 17 inner fluids 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 occurs diffusion also to mix with the fluid in oil box 1, the least significant end of froth breaking plate 23 will below minimum liquid level, in case Only splash foaming.Described magnetic metal net 24 is for adsorbing the particle object of remaining in fluid so that the bubble that oil return is carried is only Liquid level at Rose Box 17 is assembled, and the distance that bubble distributes naturally is short, and speed is fast；Hydraulic oil in froth breaking plate 23 and fuel tank is also It is to mix at liquid level, 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 sensor 4, and it is with first Distance between oil return pipe the 12, second oil return pipe 14 is as far as possible.The bottom mouth of pipe of this fuel sucking pipe 2 inserts in below minimum level, It is greater than 2-3 times of its caliber from the bottom of oil box 1, in order to avoid the foaming that is emptied and splashes；Tank wall distance from oil box 1 is 3 times of caliber, in order to oil-feed on four sides.Further, the bottom mouth of pipe of described fuel sucking pipe 2 is cut into 45 ° of oblique angles, and makes oblique angle face toward The tank wall of oil box 1, to increase hydraulic fluid port flow area, and makes inclined-plane face toward tank wall, in order to heat radiation and precipitated impurities.Described oil strain Device 6 is used for protecting the gear pump being connected with fuel tank so that it is will not suck bigger solid impurity, and it specifically uses the filtering accuracy to be The model that 180um, the pressure loss≤0.01MPa, flow are 250L/min, latus rectum is 50mm, use flange to couple is WU- The well strainer of 250xlSOF.Described demagnetizer 5 can prevent residual magnetism microgranule from entering hydraulic circuit, to sensitive Hydraulic Elements Cause damage；And ECU3 controls the demagnetization intensity of demagnetizer 5 according to the detected value of remanent magnetism sensor 4.The demagnetization of described demagnetizer 5 Method is electromagnetism demagnetization, and method is the opposing magnetic field by 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 ferromagnetic material After being magnetized into saturation, even if cancelling externally-applied magnetic field, the magnetic induction in material still returns and produces less than the problem of zero point.

Referring to shown in Figure of description 2 to accompanying drawing 4, described magnetizing assembly 19 can realize the force-magnetized of metallic particles, And making micron-sized metallic particles aggregate into bulky grain, it is simple to subsequent adsorbtion separates.Magnetizing assembly 19 it is also required to provide non-simultaneously Uniform magnetic field, carries out magnetization and decomposes, and promote to dissociate the colloidal particles in the hydraulic oil through the suitable oil temperature of subcooler 15 Bubble reduce or melt.

Described magnetizing assembly 19 is by aluminum matter pipeline 191, some windings 192, iron shell 193, flange 194 and some magnetic Galvanic current output module 195 forms.Wherein, described aluminum matter pipeline 191 makes fluid flow there through and by magnetization treatment, and aluminum Pcrmeability the lowest, can make pipeline 191 obtains higher magnetic field intensity.

Described some windings 192, rotating around outside aluminum matter pipeline 191, are coated insulation by the copper wire of a diameter of about 1.0mm Paint is made.Each winding 192 is all separate setting, is controlled by corresponding magnetizing current output module 195 respectively, Qi Zhong electricity Flow and need different according to system.Separate owing to often enclosing winding 192, its exit can cause the electric current that this coil forms Ring is not real " justifying ", but has individual breach, and this can cause the radial distribution of aluminum matter pipeline 191 internal magnetic field uneven, thus Affect magnetic efficiency.For solving this problem, the often circle winding 192 of this creation is all made up of positive winding 196 and inverse winding 197, mesh Be to produce the magnetic field in same polarity direction and to make up the magnetic field that breach causes unbalanced simultaneously.In positive winding and inverse winding Size of current is equal.Aluminum matter pipeline 191 axis direction is arranged with multipair forward and reverse winding, by different electric currents, in order to shape Become the non-uniform magnetic-field of aforementioned claim.

Described iron shell 193 is coated on aluminum matter pipeline 191, and the material of irony can mask most magnetic flux.Institute State flange 194 and be welded on the two ends of aluminum matter pipeline 191, and by flange flange 194 in U-tube 20.

Each magnetizing current output module 195 is connected to a winding 192, and by ECU3 control, it utilizes digital potentiometer Have and ECU3 real-time communication the feature of real time modifying resistance, it is achieved the real-time control of non-uniform magnetic-field.Described magnetizing current The circuit theory diagrams of output module 195 can be found in accompanying drawing 4, and its digital potentiometer used is AD5206, has the defeated of 6 passages Go out, can and ECU between realize single bus data transmission.ECU realizes the polylith magnetizing current to magnetization winding by monobus The current settings of output module and constant output.Amplifier AD8601 and metal-oxide-semiconductor 2N7002 achieve high-precision by negative feedback Voltage follow exports.Constant High-current output have employed amplifier OPA 549 of the high voltage of Texas Instrument (TI), big electric current.

Shown in referred to Figure of description 5 to accompanying drawing 6, described eddy flow centrifugal device 26 makes fluid under the action of the centrifugal, The magnetized particles that quality is bigger is thrown toward cavity wall, and the bubble in fluid then shifts to the central axis of pipeline under centrifugal action Locating, it uses the mode of energy loss, and its design principle is as follows: arrange the water conservancy diversion of the distortion of certain altitude and length in the duct Sheet, and make blade face tangent line angled with axis, fluid can be made to produce spiral flow in pipes, this spiral shell because pipe flow border changes Eddy flow can be analyzed to the circumferential flow around pipe axle and axial straight flowing, and the particulate matter carried in fluid produces off-axis alignment heart spiral shell Rotation motion.This eddy flow centrifugal device 26 is by eddy flow tube wall the 261, first flow deflector the 262, second flow deflector 263, motor 264 And several parts such as flow transducer 265 composition.

Wherein, described first flow deflector 262 is provided with 3, these 3 first flow deflectors 262 along tube wall 261 inner periphery every 120 ° Being uniformly distributed, its laying angle (angle between the first flow deflector 262 and eddy flow tube wall 261) is set to 18 °, optimal tangential to ensure Flowing.Described second flow deflector 263 is identical with the first flow deflector 262 structure, after it is arranged on the first flow deflector 262, and and the One flow deflector 262 staggers 60 ° and is connected in tube wall 261, and its laying angle is set to 36 DEG C, is used for reducing resistance and strengthening circumferential flow Intensity.It addition, the 3rd or more flow deflector can be arranged the most again according to actual separation effect, laying angle gradually increases.Institute State motor 264 connect and drive the first flow deflector 262 and the second flow deflector 263, to regulate laying angle, thus can obtain more Good centrifugal effect, knows and makes flow deflector 262,263 adapt to different operating modes.Described flow transducer 265 is arranged on tube wall 261 Interior central authorities, the ECU3 numerical analysis cyclonic separation effect by reading flow quantity sensor 265, and control motor accordingly 264, motor 264 regulates the laying angle of each flow deflector 262,263, to obtain more separating effect.

Further, the long limit of described first flow deflector 262 is connected with tube wall 261, and minor face 263 is along the axis of tube wall 261 Extend；For reducing resistance, its leading edge frustrates into obtuse；For avoiding streaming, trailing edge is processed into wing；Its height is tube wall 261 diameter 0.4 times, make the spiral flow of formation have bigger intensity；1.8 times of a length of tube wall 261 diameter, bigger right to ensure The sphere of action of fluid.

Referring to shown in Figure of description 7 to accompanying drawing 8, described first adsorbent equipment 21 is for adsorbing through eddy flow centrifugal device The big microgranule of magnetic polymeric after 26, it can use annular permanent magnnet, or homopolarity adjacent type absorbing ring, or charged hammer is same The most adjacent type absorbing ring.

Further, when described first adsorbent equipment 21 uses homopolarity adjacent type absorbing ring, this homopolarity adjacent type absorbing ring It is made up of parts such as aluminium ring shape pipeline 211, forward solenoid 212, reverse solenoid 213 and irony magnetic conduction caps 214.Its In, described forward solenoid 212 and reverse solenoid 213 are respectively arranged in aluminium ring shape pipeline 211 and by ECU3 control, and two Person is 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 is arranged on the inwall of aluminium ring shape pipeline 211, and it is positioned at forward solenoid 212 and reverse solenoid 213 Adjacent and forward solenoid 212 and the intermediate point of reverse solenoid 213 axis.

The design principle of described homopolarity adjacent type absorbing ring is as follows: energising forward solenoid 212, reverse solenoid 213, phase Adjacent forward solenoid 212, reverse solenoid 213 are connected with electric current in opposite direction so that forward solenoid 212, reverse helical Pipe 213 adjacent produces like pole；Meanwhile, aluminium ring shape pipeline 211 can improve magnetic circuit, strengthens the magnetic field at inner-walls of duct Intensity, strengthens the irony magnetic conduction cap 214 capture absorbability to granule.Each forward solenoid 212, reverse solenoid 213 electric current Directly controlled by ECU3, can be different with concentration and change, to obtain optimal adsorption performance according to the size of granule.

Further, when described first adsorbent equipment 21 may be used without the homopolarity adjacent type absorbing ring of charged hammer, this band The homopolarity adjacent type absorbing ring of electric shock hammer is led by aluminium ring shape pipeline 211, forward solenoid 212, reverse solenoid 213, irony The parts compositions such as magnetic cap 214, dividing plate 215, electric shock hammer 216 and electric magnet 217.Wherein, described forward solenoid 212 is with reverse Solenoid 213 is respectively arranged in aluminium ring shape pipeline 211 and by ECU3 control, and 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 is arranged in aluminium ring On the inwall of shape pipeline 211, it is positioned at forward solenoid 212 and reverse solenoid 213 adjacent and forward solenoid 212 Intermediate point with reverse solenoid 213 axis.Described electric shock hammer 216 and electric magnet 217 are between dividing plate 215.Described electromagnetism Ferrum 217 connects and can promote electric shock hammer 216, makes electric shock hammer 216 percussion aluminium ring shape pipeline 212 inwall.Described ECU3 electrically connects Connect and control 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 spiral shell Spool 213, adjacent forward solenoid 212, reverse solenoid 213 are connected with electric current in opposite direction so that forward solenoid 212, reverse solenoid 213 adjacent produces like pole；Meanwhile, aluminium ring shape pipeline 211 can improve magnetic circuit, strengthens pipeline Magnetic field intensity at inwall, strengthens the irony magnetic conduction cap 214 capture absorbability to granule.Each forward solenoid 212, reverse spiral shell Spool 213 electric current is directly controlled by ECU3, can be different with concentration and change, to obtain optimal adsorption according to the size of granule Performance.And by the setting of electric shock hammer 216, prevent granule bulk deposition at irony magnetic conduction cap 214, affect adsorption effect.This Time, controlled the inwall of electric shock hammer 216 percussion pipeline 211 by electric magnet 217 so that adsorbed granule scatter to both sides. Meanwhile, when cleaning pipeline 211, the percussion of electric shock hammer 216 can also improve cleaning performance.

Referring to shown in Figure of description 9, described rotating magnetic field device 27 utilizes rotating excitation field centrifugal not by the first absorption The small magnetization granule of device 21 absorption, it is by aluminum matter pipeline 271, iron shell 272, three-phase symmetric winding 273, flange 274 And three-phase symmetrical current module 275 forms.Described three-phase symmetric winding 273 is wound on outside aluminum matter pipeline 271.Described iron shell 272 are coated on aluminum matter pipeline 271.Described flange 274 is welded on the two ends of aluminum matter pipeline 271.Described three-phase symmetrical current-mode Block 275 connects described three-phase symmetric winding 273, and by ECU3 control.

The operation principle of described rotating magnetic field device 27 is as follows: small magnetization granule not to be adsorbed enters rotating excitation field dress Putting 27, ECU3 controls three-phase symmetrical current module 275, makes to flow through in three-phase symmetric winding 273 three-phase symmetrical electric current, and this electric current exists Producing rotating excitation field in aluminum matter pipeline 271, magnetized particles is acted on by magnetic field force under rotating excitation field effect, and in this power Spirally advance under effect, simultaneously to vessel wall motion.Therefore, regulation magnetic field intensity can make the granule in fluid from fluid " separate " out, be gathered in aluminum matter pipeline 271 near-wall, it is simple to subsequent adsorbtion captures.

Described second adsorbent equipment 28 is identical with described first adsorbent equipment 21 structure, and function is the most identical with the mechanism of action, It can adsorb the granule not adsorbed by rotating magnetic field device 27 further.

Referring to shown in Figure of description 10, described ECU3 may select the PIC16F877 of Microchip company, and it is respectively It is electrically connected with cooler 15, temperature sensor 16, magnetizing assembly 19, motor 264, flow transducer the 265, first absorption dress Put the parts such as 21, rotating magnetic field device the 27, second adsorbent equipment 28, heater 7, demagnetizer 5 and remanent magnetism sensor 4.

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

1), backflow force feed delivers to magnetizing assembly by the first oil return pipe 12, and is controlled by the cooler on the first oil return pipe Returning-oil temperature, makes hydraulic fluid temperature at 40-50 DEG C；

2), by magnetizing assembly 19, oil return is magnetized, make micron-sized metallic particles aggregate into bulky grain, deliver to afterwards Eddy flow centrifugal device 26；

3), making the magnetic microparticles in fluid be polymerized to the tube wall of pipeline 261 by eddy flow centrifugal device 26, the bubble in oil return is then Shifting at the central axis of pipeline 261 under centrifugal action, the first adsorbent equipment 21 is delivered in oil return afterwards；

4), being adsorbed the magnetic polymeric microgranule in oil return by the first adsorbent equipment 21, rotating magnetic field device 27 is delivered in oil return afterwards；

5), rotating magnetic field device 27 utilizes rotating excitation field to separate unadsorbed magnetic microparticles, and the second absorption dress is delivered in oil return afterwards Put 28；

6), the magnetic polymeric microgranule in the second adsorbent equipment 28 second adsorption oil return, U-tube 20 is delivered in oil return afterwards；

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

8), the oil return of Rose Box 17 spill-over is spread along the surface of froth breaking plate 23, and mixes with the fluid in oil box 1 Close, make the bubble of fluid naturally be dispersed in air；And on froth breaking plate the magnetic metal net 24 of 23 adsorb in fluid remaining Grain object；

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

10), by fuel sucking pipe 2 by the fluid sucking-off of oil box 1, reuse for hydraulic system, and utilize on fuel sucking pipe 2 Demagnetizer 5 eliminates magnetic particle magnetic, prevents residual magnetism microgranule from entering hydraulic circuit, and sensitive Hydraulic Elements are caused damage.

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

Claims (10)

1. use that magnetization, eddy flow be centrifugal, absorption and the fuel tank of rotating excitation field treatment fluid force feed, it is characterised in that: include oil box, Rose Box, the first oil return pipe, the second oil return pipe, U-tube, magnetizing assembly, eddy flow centrifugal device, the first adsorbent equipment, rotary magnetic Field device, the second adsorbent equipment, permanent magnet, dividing plate, heater, fuel sucking pipe and ECU；Wherein, the top outside described oil box Portion is provided with air filter, is sequentially provided with described Rose Box, permanent magnet, dividing plate and heater in casing；Described first oil return Pipe inserts in oil box, and connects with U-tube, which is provided with cooler and temperature sensor；Described second oil return pipe one end is even Being connected to the first oil return pipe, the other end extends into Rose Box；Described U-tube is positioned at Rose Box, and it is sequentially installed with described magnetic Gasifying device, eddy flow centrifugal device, the first adsorbent equipment, rotating magnetic field device and the second adsorbent equipment；Set bottom described Rose Box Having 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 eddy flow centrifugal device includes rotation Flow tube wall, the first flow deflector, the second flow deflector, motor and flow transducer；Wherein, described first flow deflector is provided with 3 Sheet, these 3 first flow deflectors are uniformly distributed along tube wall inner periphery every 120 °, and its laying angle is set to 18 °；Described second flow deflector and First flow deflector structure is identical, after it is arranged on the first flow deflector, and and the first flow deflector stagger 60 ° and be connected in tube wall, its Laying angle is set to 36 DEG C；Described motor connects and drives the first flow deflector and the second flow deflector, to regulate laying angle；Described Flow transducer is arranged on the central authorities in tube wall；Described ECU is electrically connected with cooler, temperature sensor, magnetizing assembly, step Enter motor, flow transducer, the first adsorbent equipment, rotating magnetic field device, the second adsorbent equipment, heater, demagnetizer and remanent magnetism Sensor.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levy and be: the junction of described first oil return pipe and the second oil return is provided with an overflow valve.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levy and be: described magnetizing assembly includes aluminum matter pipeline, some windings, iron shell, flange and some magnetizing currents output mould Block；Wherein, described some windings are rotating around outside aluminum matter pipeline, and each winding is made up of positive winding and inverse winding；Outside described irony Shell is coated on aluminum matter pipeline；Described flange welding is at the two ends of aluminum matter pipeline；Each magnetizing current output module is connected to one Winding, and by ECU control.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levying and be: the long limit of described first flow deflector is connected with tube wall, minor face extends along the axis of tube wall；Its leading edge frustrates into obtuse, after Edge is processed into wing, and its height is 0.4 times of tube wall diameter, 1.8 times of a length of tube wall diameter.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levy and be: described first adsorbent equipment uses annular permanent magnnet, or homopolarity adjacent type absorbing ring, or the homopolarity phase of charged hammer Adjacent type absorbing ring；Described second adsorbent equipment is identical with described first adsorbent equipment structure.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 5, it is special Levy and be: 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 direction Contrary electric current so that forward solenoid and reverse solenoid adjacent produce like pole；Described irony magnetic conduction cap is arranged in On the inwall of aluminium ring shape pipeline, it is positioned at forward solenoid and reverse solenoid adjacent and forward solenoid and reversely The intermediate point of solenoid axis.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 5, it is special Levy and be: 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 are respectively arranged in aluminium ring shape In pipeline, both are connected with electric current in opposite direction so that forward solenoid and reverse solenoid adjacent produce like pole；Institute State irony magnetic conduction cap to be arranged on the inwall of aluminium ring shape pipeline, its be positioned at forward solenoid and reverse solenoid adjacent, with 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 aluminum matter Circulating line inwall；Described ECU is electrically connected with and controls forward solenoid, reverse solenoid and electric magnet.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levy and be: described rotating magnetic field device includes aluminum matter pipeline, iron shell, three-phase symmetric winding, flange and three-phase symmetrical electricity Flow module；Described three-phase symmetric winding is wound on outside aluminum matter pipeline；Described iron shell is coated on aluminum matter pipeline；Described flange welds It is connected on the two ends of aluminum matter pipeline；Described three-phase symmetrical current module connects described three-phase symmetric winding, and by ECU control.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levy and be: the bottom mouth of pipe of described fuel sucking pipe inserts in below minimum level, and it is greater than the 2-3 of its caliber from the bottom of oil box Times, 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.

Using magnetization, eddy flow to be centrifuged, adsorb and the fuel tank of rotating excitation field treatment fluid force feed the most as claimed in claim 1, it is special Levying and be: described dividing plate is left a blank up and down, leaves a blank more than the highest oil surface level in top；The bottom of described oil box is provided with dress of draining the oil Put.