CN105889150A - Method for treating hydraulic oil through electrification, separation and adsorption - Google Patents
Method for treating hydraulic oil through electrification, separation and adsorption Download PDFInfo
- Publication number
- CN105889150A CN105889150A CN201610313154.5A CN201610313154A CN105889150A CN 105889150 A CN105889150 A CN 105889150A CN 201610313154 A CN201610313154 A CN 201610313154A CN 105889150 A CN105889150 A CN 105889150A
- Authority
- CN
- China
- Prior art keywords
- oil
- solenoid
- magnetic
- pipe
- oil return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/047—Preventing foaming, churning or cavitation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
Abstract
The invention relates to a method for treating hydraulic oil through electrification, separation and adsorption. During treatment, the hydraulic oil sequentially passes through a first return oil pipe, an electrification device, a separation device, an adsorption device, a U-shaped pipe, a filtering box, a defoaming plate, a permanent magnet, a partition plate and an oil suction pipe to be treated, and therefore free bubbles in return oil are molten or separated out, and micron-grade particles in the return oil are adsorbed or molten. 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, the treatment cost is low, the treatment effect is good, the oil purification capacity is high, and secondary pollution is not prone to being caused.
Description
[technical field]
The present invention relates to a kind of hydraulic pressure oil treatment process, be specifically related to a kind of use electrification,
Separate and the method for adsorption treatment hydraulic oil, belong to hydraulic oil container technical field.
[background technology]
Statistics both domestic and external illustrate, the fault of hydraulic system about 70%～85%
Owing to oil contamination causes.Therefore Pollution Control in Hydraulic System has become domestic and international liquid
Pressure industry and each industrial department question of common concern.And solid pollution, gaseous contamination are
Two kinds of major ways of hydraulic contamination.
Fluid contains under atmospheric pressure and room temperature condition the air of about 9% volume,
Portion of air is dissolved in fluid, the machinery of the Air On Hydraulic System of this dissolved state
Performance, the volume modulus of fluid and viscosity also will not produce and significantly affect, and typically may be used
Ignore；Another part is free in oil with the bubble form of 0.05mm～0.5mm diameter
In liquid, form cavitation, be the main of noise, body corrosion and volumetric efficiency reduction
Reason.Producing heat when bubble is drastically compressed can cause oil temperature to raise, and accelerates fluid oxygen
Change 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, causes automatically controlling malfunctioning, operating mechanism's intermittent movement, location not
Accurately or the adverse consequences such as fix drift.
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 gross contamination event
The 70% of barrier.In particulate pollutant in hydraulic system oil liquid, metal filings occupies one
Fixed ratio, according to different situations, typically between 20%～70%, this part gold
Belong to abrasive dust and mostly come from the abrasion of element.Therefore, adopt an effective measure in degreasing fluid
Solid grain contamination, be another importance of Pollution Control in Hydraulic System.
The hydraulic means that the producing of factory uses in equipment, construction machinery by hydraulic circuit and
Fuel tank is constituted.Fuel tank stores the hydraulic oil provided to hydraulic circuit and returns from hydraulic circuit
The oil return of stream.Flow in the hydraulic system oil return of fuel tank and contain various metal and colloid
Grain pollutant, the most also include the air existed with bubble shape, depositing of these pollutant
Even break down hydraulic system hydraulic performance decline can be caused.
Problem, Chinese invention patent (Authorization Notice No. CN is eliminated for solving above-mentioned granule
203816790U) disclosing a kind of centrifugal oil purifier, it includes equipment fuel tank and equipment
Oil pipe before the purification that fuel tank is drawn, before this purification, oil pipe is sequentially connected with service tank, self-priming
Pump, centrifugal basket, after this centrifugal basket connects purification, oil pipe is connected to equipment fuel tank, also wraps
Include vacuum pump to be connected with service tank；In described service tank, wherein it is provided with strong magnetic Magnet.
Therefore, before entering centrifugal barrel at fluid, the metal impurities in fluid are adsorbed, reduce
The metallic particles abrasion to equipment, is 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 give fluid simultaneously
Bring secondary pollution.
2. fuel tank volume is relatively big, and the magnetic conductivity of fluid is poor, and strong magnetic Magnet is to micro-in fluid
The problems such as the active force of scale particles is less, causes adsorption time long, adsorption effect difference.
3. part magnetic microparticles enters hydraulic circuit, and absorption causes element on Hydraulic Elements
Fault and be difficult to clean remove.
And be to solve above-mentioned bubble to eliminate problem, conventional way be arrange in fuel tank vertical
To dividing plate, extend the fluid time of staying in fuel tank, should arrange into and out of hydraulic fluid port as far as possible
Obtain far, and increases the volume of fuel tank.But, due to mix the bubble of oil return the least and
Oil viscosity is of a relatively high, therefore there is problems in that bubble rises to pasta and is scattered to
Needing the long period in air, hydraulic means cannot be carried out work during this period.
The practical application for a patent for invention (application publication number CN 102762874A) of China is public
Having opened a kind of fuel tank, this fuel tank is prolonged by incorporating section and the rectifying wings being arranged in fuel tank
Long oil return fluid, in the time of staying of liquid level, reaches eliminate bubble and avoid inlet port to suck
The purpose of bubble.Then, the defaoming mechanisms of above-mentioned fuel tank is nature froth breaking, still exists
The problems such as foam time is long, and efficiency is low, especially for the operating mode effect that changes in flow rate is violent
Fruit is the best.
Therefore, for solving above-mentioned technical problem, the employing electrification of necessary offer one,
Separate and the method for adsorption treatment hydraulic oil, 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 a kind of use electrification,
Separate and the method for adsorption treatment hydraulic oil, the technology such as machinery, electricity, magnetic combined,
Make 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 employing electrification,
Separating and the method for adsorption treatment hydraulic oil, it utilizes a kind of fuel tank to process, this oil
Case and bag oil scraper casing, Rose Box, the first oil return pipe, the second oil return pipe, U-tube, point
From device, adsorbent equipment, permanent magnet, dividing plate, fuel sucking pipe and ECU；Wherein,
Top outside described oil box is provided with air filter, is sequentially provided with described filter in oil box
Case, permanent magnet and dividing plate；Described first oil return pipe inserts in oil box, and and U-shaped
Pipe connects, and which is provided with electric ignitor；Described second oil return pipe one end is connected to first time
Oil pipe, the other end extends into Rose Box；Described first oil return pipe and the company of the second oil return pipe
The place of connecing 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；It is 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
Magnetic metal net；Described fuel sucking pipe inserts oil box, which is provided with oil filter, demagnetizer
With remanent magnetism sensor；Described ECU is electrically connected with electric ignitor, segregation apparatus, suction
Adsorption device, demagnetizer and remanent magnetism sensor.It comprises the technical steps that:
1), backflow force feed delivers to electric ignitor by the first oil return pipe, by electrode control
Device processed applies voltage to electrode, makes the particulate matter in fluid charged, delivers to afterwards separate
Device；
2), make the charged corpuscle in fluid to pipe under the effect of external force by segregation apparatus
Wall is polymerized, and adsorbent equipment is delivered in oil return afterwards；
3), by the magnetic polymeric microgranule in adsorbent equipment absorption oil return, oil return afterwards is sent
To U-tube；
4), oil return is entered Rose Box by its outlet by U-tube；
5), the oil return of Rose Box spill-over is spread along the surface of froth breaking plate, and with oil
Fluid in casing mixes, and makes the bubble of fluid naturally be dispersed in air；And disappear
The particle object of remaining in magnetic metal net absorption fluid on bubble plate；
6) air when, utilizing the dividing plate in oil box and permanent magnet to remove oil-feed and
Grain；
7), by fuel sucking pipe by the fluid sucking-off of oil box, and disappearing on fuel sucking pipe is utilized
Chinaware eliminates magnetic particle magnetic.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
Described Denso is made and is included some electrodes and an electrode controller；Described some electrodes are pacified
Being loaded on the first oil return pipe, it is respectively connecting to electrode controller；Described electrode controller
It is electrically connected to ECU, and by ECU control.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
Described segregation apparatus uses uniform magnetic field segregation apparatus, rotating excitation field segregation apparatus or spiral
Pipeline magnetic field separator.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
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 polarity of these two magnetic poles
On the contrary, and in being oppositely arranged；Said two magnetic pole is respectively and electrically connected to magnetic pole controller
On；Described magnetic pole controller is electrically connected to ECU, and by ECU control.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
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；Institute
State iron shell to be coated on aluminum matter pipeline；Described three-phase symmetrical current module connects described
Three-phase symmetric winding, and by ECU control.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
Described helical pipe magnetic field separator includes aluminum matter helical pipe, solenoid and helical
Pipe control circuit；Wherein, described aluminum matter helical pipe is arranged in solenoid；Described spiral shell
Spool and solenoid control circuit are electrically connected with；Described solenoid control circuit is electrically connected with
To ECU, and by ECU control.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
Described adsorbent equipment uses annular permanent magnnet, or homopolarity adjacent type absorbing ring, or charged
The homopolarity adjacent type absorbing ring of hammer.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
Described homopolarity adjacent type absorbing ring includes aluminium ring shape pipeline, forward solenoid, reverse spiral shell
Spool and irony magnetic conduction cap；Described forward solenoid and reverse solenoid be respectively arranged in
In aluminium ring shape pipeline and by ECU control, 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
Being arranged on the inwall of aluminium ring shape pipeline, it is positioned at forward solenoid and reverse solenoid
Adjacent and forward solenoid and the intermediate point of reverse solenoid axis.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is further:
The homopolarity adjacent type absorbing ring of described charged hammer includes aluminium ring shape pipeline, forward helical
Pipe, 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 the same sex
Magnetic pole；Described irony magnetic conduction cap is arranged on the inwall of aluminium ring shape pipeline, and it is just positioned at
To solenoid and reverse solenoid adjacent and forward solenoid and reverse solenoid axle
The intermediate point of line；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,
Electric shock hammer is made to tap aluminium ring shape inner-walls of duct；Described ECU is electrically connected with and controls forward
Solenoid, reverse solenoid and electric magnet.
The method using electrification, separation and adsorption treatment hydraulic oil of the present invention is also: institute
The bottom mouth of pipe stating fuel sucking pipe inserts in below minimum level, and it wants big from the bottom of oil box
In 2-3 times of its caliber, 3 times that the tank wall distance from oil box is caliber；Described suction
The bottom mouth of pipe of oil pipe is cut into 45 ° of oblique angles, and makes oblique angle face toward the tank wall of oil box；Institute
Stating dividing plate to leave a blank up and down, leaves a blank more than the highest oil surface level in top；Described oil box is adopted
With cube structure, bottom it, it is provided with jettison gear.
Compared with prior art, there is advantages that
1., by making the particulate matter charged polymeric in fluid to electrode applying voltage, pass through
The charged particle that segregation apparatus makes quality bigger is gathered in near-wall, is adsorbed by U-shaped
The magnetic force of device, gravity, centrifugal force form efficient absorption, utilize the magnetic on froth breaking plate
Wire netting adsorbs the little granule not yet adsorbed, finally to residual particles demagnetization in fuel sucking pipe
Avoid endangering Hydraulic Elements.
2. utilizing uniform magnetic field to separate makes charged corpuscle in fluid be polymerized and be separated to tube wall；
Or utilize rotating excitation field that the microgranule in fluid is lined up needle-like to spin and extend out motion, thus
Reach to prick a bubble and eliminate the purpose of bubble；Utilize fluid to carry bubble fortune upwards simultaneously
Dynamic speed and the U-tube oil-out close to liquid level make the distance contracting that bubble moves to liquid level
Short, speed is accelerated, thus improves the rising release efficiency naturally of bubble, finally utilizes and disappears
Bubble plate distributes remaining bubble；Or by helical pipe design and the Loulun magnetism of externally-applied magnetic field
Effect makes poly-being incorporated under centrifugal action of particle charge that quality is bigger get rid of to cavity wall, and
Bubble in fluid is then shifted at the central axis of pipeline under centrifugal action.
3, processing cost is low, has granular absorption and defoaming function, and will not produce secondary
Pollute.
[accompanying drawing explanation]
Fig. 1 is that using of the present invention is electrified, separated and the fuel tank of adsorption treatment hydraulic oil
Structural representation.
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 that the structure of helical pipe magnetic field separator is shown
It is intended to.
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 homopolarity adjacent type absorbing ring of charged hammer
Structural representation.
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 that in Fig. 1, connection for the ECU of helical pipe magnetic field separator is shown
It is intended to.
[detailed description of the invention]
Refer to shown in Figure of description 1 to accompanying drawing 10, the present invention be a kind of use electrification,
Separating and the fuel tank of adsorption treatment hydraulic oil, it is by oil box 1, Rose Box 17, first
Oil return pipe the 12, second oil return pipe 14, U-tube 20, segregation apparatus 26, adsorbent equipment
21, several parts such as permanent magnet 9, dividing plate 8, fuel sucking pipe 2 and ECU3 composition.
Wherein, described oil box 1 uses cube structure, makes to obtain under identical capacity
Bigger area of dissipation.Top outside described oil box 1 is provided with air filter 10, oil
Described Rose Box 17, permanent magnet 9 and dividing plate 8 it is sequentially provided with in casing 1.Described oil
The bottom of casing 1 is provided with jettison gear 11, opens it and release greasy dirt when changing oil.Described
Dividing plate, for suction, oil return being separated, forces oil circulation to flow, and is 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 processed；And bottom is left a blank in order to oil suction, reduce air and the suction of granule.Described forever
Magnet 9 is for adsorbing metal granule for a long time.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 is concrete
Can be selected for specification is EF4 50EF type air filter, and 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,
Electric ignitor 25 on it.Described electric ignitor 25 as shown in Figure of description 2, its by
Some electrodes 251 and an electrode controller 252 form.Described some electrodes 251 are pacified
Being loaded on the first oil return pipe 12, it is respectively connecting to electrode controller 252.Described electrode
Controller 252 is electrically connected to ECU3, and by ECU3 control.ECU3 passes through electrode
Controller 252 applies voltage to electrode 251, makes the particulate matter in fluid charged.
Described second oil return pipe 14 one end is connected to the first oil return pipe 12, and the other end extends
Enter Rose Box 17.The junction of described first oil return pipe 12 and the second oil return pipe 14 is provided with
One overflow valve 13.Described overflow valve 13 is opened when the first oil return pipe 12 alluvial blocking,
Making hydraulic system oil return flow back to Rose Box 17 from the second oil return pipe 14, it may select
YUKEN Japan oil grinds EBG type electricity one liquid proportional that model is EBG-03-C-T-50 and overflows
Stream valve.The highest use operating pressure of this proportional pressure control valve is 25MPa, and maximum stream flow is
100L/rain, minimum discharge is 3L/rain, and pressure regulation spectrum is 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 separation
Device 26 and adsorbent equipment 21.The outlet of described U-tube 20 is located close at liquid level
Lower section, it is therefore an objective to shorten bubble floating distance, in quickening fluid, bubble distributes speed naturally
Degree.
Being provided with every magnetic leg 18 bottom described Rose Box 17, top is provided with downward-sloping
The froth breaking plate 23 arranged.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 to bubble, at Rose Box less than oil return outlet
17 are provided with check-valves 30 at liquid level, and the position of this valve is positioned at below minimum level, protect
The height having demonstrate,proved Rose Box 17 inner fluid is not less than external fuel tank.U-tube 20 outlet
Fluid from Rose Box 17 overflow, and occur along the surface of froth breaking plate 23 diffusion and with oil
Fluid in casing 1 mixes, the least significant end of froth breaking plate 23 will below minimum liquid level,
Bubble to prevent from splashing.Described magnetic metal net 24 is for adsorbing the granule of remaining in fluid
Object so that the bubble that oil return is carried only is assembled at the liquid level of Rose Box 17, and bubble is natural
The distance distributed is short, and speed is fast；Hydraulic oil in froth breaking plate 23 and fuel tank is also at liquid
Face mixes, 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
With remanent magnetism sensor 4, the distance between itself and first oil return pipe the 12, second oil return pipe 14
As far as possible.The bottom mouth of pipe of this fuel sucking pipe 2 inserts in below minimum level, and it is from fuel tank
The bottom of body 1 is greater than 2-3 times of its caliber, in order to avoid the foaming that is emptied and splashes；From oil
3 times that the tank wall distance of casing 1 is caliber, in order to oil-feed on four sides.Further, institute
The bottom mouth of pipe stating fuel sucking pipe 2 is cut into 45 ° of oblique angles, and makes oblique angle face toward oil box 1
Tank wall, to increase hydraulic fluid port flow area, and makes inclined-plane face toward tank wall, in order to dispelling the heat and heavy
Shallow lake impurity.Described oil filter 6 is used for protecting the gear pump being connected with fuel tank so that it is will not
Sucking bigger solid impurity, it specifically uses filtering accuracy to be 180um, the pressure loss
≤ 0.01MPa, flow are 250L/min, latus rectum is 50mm, use flange to couple
Model is the well strainer of WU-250xlSOF.Described demagnetizer 5 can prevent remaining magnetic
Property microgranule enter hydraulic circuit, sensitive Hydraulic Elements are caused damage；And ECU3 according to
The detected value of remanent magnetism sensor 4 controls the demagnetization intensity of demagnetizer 5.Described demagnetizer 5
Demagnetization method be electromagnetism demagnetization, method is the opposing magnetic field by add suitable so that
Magnetic induction in material comes back to zero point, and magnetic field intensity or electric current must be by suitable
Sequence inverts and gradually reduces, it is to avoid due to the existence of hysteresis, when ferromagnetic material magnetizes
After saturation, even if cancelling externally-applied magnetic field, the magnetic induction in material still returns not
Problem to zero point produces.
Described segregation apparatus 26 makes the particle charge that quality is bigger gather and is incorporated in centrifugal masterpiece
Get rid of the bubble in cavity wall, fluid under with then to shift in pipeline under centrifugal action
At mandrel line, it can use uniform magnetic field segregation apparatus, rotating excitation field segregation apparatus or spiral shell
Coil road magnetic field separator.
Referring to shown in Figure of description 3, described segregation apparatus 26 uses uniform magnetic field to divide
When device, it is by 261, two magnetic poles 262 of aluminum matter pipeline and magnetic pole controller 263
Composition.Wherein, said two magnetic pole 262 is separately positioned on aluminum matter pipeline 261, should
The opposite polarity of two magnetic poles 262, and in being oppositely arranged.Said two magnetic pole 262 points
It is not electrically connected on magnetic pole controller 263.Described magnetic pole controller 263 is electrically connected with
To ECU3, and by ECU3 control.
The design principle of described uniform magnetic field segregation apparatus 26 is as follows: charged particle is with speed
V flows into uniform magnetic field segregation apparatus 26, two magnetic poles of uniform magnetic field segregation apparatus 26
262 are controlled to produce the uniform magnetic field vertical with speed V direction, according to left hand by ECU3
Rule, then charged particle is perpendicular to velocity attitude in uniform magnetic field segregation apparatus 26
With the effect of the Loulun magnetism of magnetic direction, this power does not change the speed of charged particle, it
Only change the direction of motion of charged particle, make charged particle under this force to aluminum matter
The vessel wall motion of pipeline 261, so that the granule in fluid " separates " from fluid
Come, assemble to tube wall, it is simple to subsequent adsorbtion captures.Owing to fluid has certain viscosity,
Granule is also acted on by viscous drag during vessel wall motion.In order to ensure separating effect
Really, need regulate magnetic field intensity B make distance tube wall farthest granule can be at segregation apparatus
Action time in move 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,
A diameter of D of segregation apparatus, a length of L, then:
Acting on the Loulun magnetism on charged particle is
Fl=qvB
The viscous drag that charged particle is subject to is
Fd=6 π η r v
The radius v band of η hydraulic pressure oil viscosity r charged particle
Electricity particle velocity
It not general, it is assumed that the granule in fluid has reached stable state when entering segregation apparatus,
Then charged particle can be approximated by the time of segregation apparatus and represent with following formula
The charged particle of distance tube wall farthest moves to the time t at tube wall2Can be by following formula
Solve
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 to divide
When device, it is by aluminum matter pipeline 261, iron shell 264, three-phase symmetric winding 265
And the parts such as three-phase symmetrical current module 266 composition.Described three-phase symmetric winding 265
It 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 connects described three-phase symmetric winding 265, and by
ECU3 controls.
The design principle of described rotating excitation field segregation apparatus 26 is as follows: charged particle is with speed
V flows into rotating excitation field segregation apparatus 26, and ECU3 controls three-phase symmetrical current module 266,
Making to flow through in three-phase symmetric winding 265 three-phase symmetrical electric current, this electric current is at aluminum matter pipeline 261
Interior generation rotating excitation field, charged particle is perpendicular to speed side under rotating excitation field effect
To the effect of the Loulun magnetism with magnetic direction, this power does not change the speed of charged particle,
It only changes the direction of motion of charged particle, makes charged particle under this force with spiral shell
Rotation shape advances, and to vessel wall motion.Reasonable adjusting magnetic field intensity can make in fluid
Grain " separates " out from fluid, is gathered in near-wall, it is simple to subsequent adsorbtion captures.
Owing to fluid has certain viscosity, granule is also hindered by viscosity during vessel wall motion
The effect of power.In order to ensure separating effect, need to make on aluminum matter pipeline 261 axis is micro-
Grain can move at tube wall within the action time of segregation apparatus, and 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,
A diameter of D of segregation apparatus, a length of L, then:
Acting on the Loulun magnetism on charged particle is
Fl=qvB
The viscous drag that charged particle is subject to is
Fd=6 π η r v
The radius v band of η hydraulic pressure oil viscosity r charged particle
Electricity particle velocity
Assuming that the granule in fluid has reached stable state, then charged particle when entering segregation apparatus
Can be approximated by the time of segregation apparatus and represent with following formula
Charged particle on conduit axis moves to the time t at tube wall2Can be solved by following formula
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
During the segregation apparatus of field, it is by aluminum matter helical pipe 268, solenoid 269 and solenoid
Control circuit 266 forms.Wherein, described aluminum matter helical pipe 268 is arranged on solenoid
In 269.Described solenoid 269 and solenoid control circuit 266 are electrically connected with.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 charged
The fluid of grain advances along aluminum matter helical pipe 268, thus produces at pipeline exit and have
The eddy flow of certain spin direction, the charged particle of heavier mass rotates along with fluid, from
The effect of mental and physical efforts is lower produces the radial motion to tube wall；Simultaneously as aluminum matter helical pipe
The Way in of 268 is vertical, with speed v with the axial magnetic field direction of energization solenoid 269
The charged particle entering aluminum matter helical pipe 268 is acted on by Loulun magnetism, hangs down in direction
Straight in magnetic direction and the Way in of aluminum matter helical pipe 268.Loulun magnetism makes charged
Granule is spinned forward travel in pipeline, due to the entrance side of aluminum matter helical pipe 268
To with magnetic direction close to vertical, charged particle mainly rotates in a circumferential direction motion, and fluid
The most unaffected, thus realize granule " separation " from fluid, in order to realize granule
Absorption.For ensureing " separation " effect, need to make the microgranule energy on aluminum matter conduit axis
Moving within the action time of segregation apparatus at tube wall, quantitative analysis is as follows:
Assuming that particle mass is m, speed is v, and carried charge is q, aluminum matter helical pipe
A diameter of D, the number of turn of aluminum matter helical pipe is n, the Way in of aluminum matter helical pipe
Being θ with the angle in the axial magnetic field direction of energization solenoid, the solenoid number of turn is N, electricity
Stream is I, and magnetic field intensity is B, and permeability of vacuum is μ0, then:
Acting on the Loulun magnetism on charged particle is
Fl=qvB
The viscous drag that charged particle is subject to is
Fd=6 π η r v
The radius v band of η hydraulic pressure oil viscosity r charged particle
Electricity particle velocity
Charged particle can be approximated by the time of segregation apparatus and represent with following formula
Charged particle on conduit axis moves to the time t at tube wall2Can be solved by following formula
Magnetic field intensity within solenoid can be approximately constant
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 inhaling
The big microgranule of magnetic polymeric after attached separated device 26, it can use annular permanent magnetic
Ferrum, or homopolarity 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 is same
The most adjacent type absorbing ring is by aluminium ring shape pipeline 211, forward solenoid 212, reverse helical
The parts compositions such as pipe 213 and irony magnetic conduction cap 214.Wherein, described forward solenoid
212 and reverse solenoid 213 be respectively arranged in aluminium ring shape pipeline 211 and by ECU3
Controlling, both are connected with electric current in opposite direction so that forward solenoid 212 and reverse spiral shell
Spool 213 adjacent produces like pole.Described irony magnetic conduction cap 214 is arranged in aluminum matter
On the inwall of circulating line 211, 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, adjacent forward solenoid 212, reverse solenoid 213
It is connected with electric current in opposite direction so that forward solenoid 212, reverse solenoid 213 phase
Like pole is produced at Lin；Meanwhile, aluminium ring shape pipeline 211 can improve magnetic circuit, adds
Magnetic field intensity at big inner-walls of duct, strengthens irony magnetic conduction cap 214 and inhales the capture of granule
Attached ability.Each forward solenoid 212, reverse solenoid 213 electric current are direct by ECU3
Control, can be different with concentration and change according to the size of granule, to obtain optimal suction
Attached performance.
Further, the adjacent type of homopolarity that described adsorbent equipment 21 may be used without charged hammer
During absorbing ring, 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,
The parts compositions such as electric shock hammer 216 and electric magnet 217.Wherein, described forward solenoid
212 and reverse solenoid 213 be respectively arranged in aluminium ring shape pipeline 211 and by ECU3
Controlling, both are connected with electric current in opposite direction so that forward solenoid 212 and reverse spiral shell
Spool 213 adjacent produces like pole.Described irony magnetic conduction cap 214 is arranged in aluminum matter
On the inwall of circulating line 211, 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.
Described electric shock hammer 216 and electric magnet 217 are between dividing plate 215.Described electric magnet 217
Connect and electric shock hammer 216 can be promoted, making electric shock hammer 216 percussion aluminium ring shape pipeline 212
Inwall.Described ECU3 is electrically connected with 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 is just
To solenoid 212, reverse solenoid 213, adjacent forward solenoid 212, reverse spiral shell
Spool 213 is 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 intensity at inner-walls of duct, strengthens irony magnetic conduction cap 214 to granule
Capture absorbability.Each forward solenoid 212, reverse solenoid 213 electric current are by ECU3
Directly control, can be different with concentration and change according to the size of granule, with acquisition
Good absorption property.And by the setting of electric shock hammer 216, prevent granule at irony magnetic conduction cap
Bulk deposition at 214, affects adsorption effect.Now, electricity is controlled by electric magnet 217
Hammer 216 taps the inwall of pipeline 211 so that adsorbed granule scatter to both sides.
Meanwhile, when cleaning pipeline 211, the percussion of electric shock hammer 216 can also improve cleaning effect
Really.
Referring to shown in Figure of description 8 to 10, described ECU3 may select Microchip
The PIC16F877 of company, its be electrically connected with electric ignitor 25, segregation apparatus 26,
The parts such as adsorbent equipment 21, demagnetizer 5 and remanent magnetism sensor 4.Described ECU3 can root
It is replaced according to different types of segregation apparatus 26.
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 the first oil return pipe 12, passes through
Electrode controller 252 applies voltage to electrode 251, makes the particulate matter in fluid charged,
Deliver to segregation apparatus 26 afterwards；
2), by segregation apparatus 26 make the charged corpuscle in fluid under the effect of external force to
Tube wall is polymerized, and adsorbent equipment 21 is delivered in oil return afterwards；
3), the magnetic polymeric microgranule in oil return, oil return afterwards are adsorbed by adsorbent equipment 21
Deliver to U-tube 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 mix with the fluid in oil box 1, make the bubble of fluid naturally be dispersed into air
In；And the magnetic metal net 24 on froth breaking plate 23 adsorbs the particle object of remaining in fluid；
6) sky when, utilizing the dividing plate 8 in oil box 1 and permanent magnet 9 to remove oil-feed
Gas and granule；
7), by fuel sucking pipe 2 by the fluid sucking-off of oil box 1, and fuel sucking pipe 2 is utilized
On demagnetizer 5 eliminate magnetic particle magnetic, prevent residual magnetism microgranule enter hydraulic pressure return
Sensitive Hydraulic Elements are caused damage by road.
Above detailed description of the invention is only the preferred embodiment of this creation, not in order to limit
Make this creation, all made within this spirit created and principle any amendment, equivalent
Replacement, improvement etc., within should be included in the protection domain of this creation.
Claims (10)
1. one kind uses electrification, separation and the method for adsorption treatment hydraulic oil, it is characterized in that: utilizing a kind of fuel tank to process, this fuel tank includes 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；
It comprises the technical steps that:
1), backflow force feed delivers to electric ignitor by the first oil return pipe, applies voltage by electrode controller to electrode, makes the particulate matter in fluid charged, delivers to segregation apparatus afterwards；
2), making the charged corpuscle in fluid be polymerized to tube wall under the effect of external force by segregation apparatus, adsorbent equipment is delivered in oil return afterwards；
3), by the magnetic polymeric microgranule in adsorbent equipment absorption oil return, U-tube is delivered in oil return afterwards；
4), oil return is entered Rose Box by its outlet by U-tube；
5), the oil return of Rose Box spill-over is spread along the surface of froth breaking plate, and mixes with the fluid in oil box, makes the bubble of fluid naturally be dispersed in air；And the particle object of remaining in the magnetic metal net absorption fluid on froth breaking plate；
6) air when, utilizing the dividing plate in oil box and permanent magnet to remove oil-feed and granule；
7), by fuel sucking pipe by the fluid sucking-off of oil box, and the demagnetizer on fuel sucking pipe is utilized to eliminate magnetic particle magnetic.
Use electrification the most as claimed in claim 1, separate and the method for 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 method for 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 method for 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 method for 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 method for 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 method for 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 method for 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 method for 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 method for 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313154.5A CN105889150A (en) | 2016-05-12 | 2016-05-12 | Method for treating hydraulic oil through electrification, separation and adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313154.5A CN105889150A (en) | 2016-05-12 | 2016-05-12 | Method for treating hydraulic oil through electrification, separation and adsorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889150A true CN105889150A (en) | 2016-08-24 |
Family
ID=56703624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610313154.5A Withdrawn CN105889150A (en) | 2016-05-12 | 2016-05-12 | Method for treating hydraulic oil through electrification, separation and adsorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889150A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05329311A (en) * | 1992-05-27 | 1993-12-14 | Hitachi Constr Mach Co Ltd | Iron-powder adsorption filter |
| CN1546198A (en) * | 2003-11-28 | 2004-11-17 | 邝念曾 | Method and system for purifying hydraulic-oil |
| CN102762874A (en) * | 2010-02-03 | 2012-10-31 | 优铁工有限公司 | Oil tank |
| CN104373394A (en) * | 2014-11-24 | 2015-02-25 | 常州市威玛泰精密工具有限公司 | Hydraulic oil tank |
| CN105041736A (en) * | 2015-06-25 | 2015-11-11 | 苏州市大力电器有限公司 | Improved hydraulic oil tank |
-
2016
- 2016-05-12 CN CN201610313154.5A patent/CN105889150A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05329311A (en) * | 1992-05-27 | 1993-12-14 | Hitachi Constr Mach Co Ltd | Iron-powder adsorption filter |
| CN1546198A (en) * | 2003-11-28 | 2004-11-17 | 邝念曾 | Method and system for purifying hydraulic-oil |
| CN102762874A (en) * | 2010-02-03 | 2012-10-31 | 优铁工有限公司 | Oil tank |
| CN104373394A (en) * | 2014-11-24 | 2015-02-25 | 常州市威玛泰精密工具有限公司 | Hydraulic oil tank |
| CN105041736A (en) * | 2015-06-25 | 2015-11-11 | 苏州市大力电器有限公司 | Improved hydraulic oil tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105889194A (en) | Method for treating hydraulic oil by adopting electrification, separation, electric loop adsorption and rotating magnetic fields | |
| CN105909569A (en) | Oil tank for treating hydraulic oil through electrification, separation, electric-control ring adsorption and rotating magnetic field | |
| CN105864116A (en) | Oil tank for treating hydraulic oil through electrification, separation and adsorption of electric control loop | |
| CN105889185A (en) | Device for processing hydraulic oil through electrification, separation and electric shock hammer adsorption | |
| CN105864118A (en) | Method for treating hydraulic oil by electrification, rotating magnetic field separation and adsorption | |
| CN105889150A (en) | Method for treating hydraulic oil through electrification, separation and adsorption | |
| CN105864171A (en) | Method for processing hydraulic oil through electrification, separation and electric control ring adsorption | |
| CN105864115A (en) | Method for treating hydraulic oil through magnetization, centrifugation and electric control loop adsorption | |
| CN105889195A (en) | Method for treating hydraulic oil by adopting electrification, separation, electric hammer adsorption and rotating magnetic fields | |
| CN105889149A (en) | Equipment for treating hydraulic oil by electrifying, separating, electric shock hammer adsorption and rotating magnetic field | |
| CN105889147A (en) | Oil tank for treating hydraulic oil by adopting electrification, spiral tube magnetic field separation and adsorption | |
| CN105889227A (en) | System for treating hydraulic oil through electrification, spiral tube magnetic field separation and rotating magnetic field | |
| CN105864195A (en) | Method for treating hydraulic oil by means of electrification, spiral tube magnetic field separation and adsorption | |
| CN105889226A (en) | Oil storage device for treating hydraulic oil through electrification, separation and adsorption | |
| CN105971988A (en) | Oil storing device adopting magnetization and adsorption to treat hydraulic oil | |
| CN105909602A (en) | Method for treating hydraulic oil through electrification, uniform magnetic field separation and adsorption | |
| CN105889197A (en) | Oil tank for treating hydraulic oil by adopting electrification, uniform magnetic field separation and adsorption | |
| CN105864162A (en) | Oil tank for treating hydraulic oil through electrification, uniform magnetic field separation and rotating magnetic field | |
| CN105889191A (en) | System for separating and adsorbing hydraulic oil by adopting electrification and rotating magnetic fields | |
| CN105909570A (en) | Method for treating hydraulic oil through electrification, separation and electric shock hammer adsorption | |
| CN105889221A (en) | Method for processing hydraulic oil through electrification, separation, adsorption and rotating magnetic field | |
| CN105864165A (en) | Device for treating hydraulic oil through electrification, rotating magnetic field separation and rotating magnetic field | |
| CN105864216A (en) | Device for treating hydraulic oil through electrification, separation, adsorption and rotating magnetic field | |
| CN105909600A (en) | Method for treating hydraulic oil through electrification, uniform magnetic field separation and rotating magnetic field | |
| CN105864167A (en) | Method for processing hydraulic oil through electrification, spiral pipe magnetic field separation and rotation magnetic field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160824 |