CN106457260B - Magnetic filter and magnetisable material remove method - Google Patents
Magnetic filter and magnetisable material remove method Download PDFInfo
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- CN106457260B CN106457260B CN201580031106.0A CN201580031106A CN106457260B CN 106457260 B CN106457260 B CN 106457260B CN 201580031106 A CN201580031106 A CN 201580031106A CN 106457260 B CN106457260 B CN 106457260B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/032—Matrix cleaning systems
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Abstract
A kind of magnetic filter（W1）, possess outer barrel（1）And inner cylinder（2）, filter chamber（12）With magnet unit rod（3）, foregoing outer barrel（1）And inner cylinder（2）Configure concentrically, foregoing filtration room（12）It is formed at outer barrel（1）With inner cylinder（2）Gap, foregoing magnet unit rod（3）Access is accommodated in inner cylinder freely（2）Cylinder in, to filter chamber（12）The magnetisable material mixed in the filtered fluid of inflow, due to being accommodated in inner cylinder（2）Magnet unit rod（3）Magnetic force and be adsorbed in inner cylinder（2）Circumferential lateral surface, in filter chamber（12）There is provided with scraping portion（9a）Scraper（9）, foregoing scraping portion（9a）It is connected to inner cylinder（2）Circumferential lateral surface, make scraper（9）During action, scraping portion（9a）Along inner cylinder（2）Circumferential lateral surface slide, scraping be adsorbed in inner cylinder（2）Magnetisable material.
Description
Technical field
The present invention relates to the magnetisable material of magnetic filter and magnetic filter to remove method, such as is related to such as magnetic mistake
The magnetisable material of filter and the magnetic filter removes method, makes to be mixed in the ROLLING OIL provided to the cold rolling carried out in iron-smelter
Deng the magnetisable material in liquid, separated and sublimate from liquid.
Background technology
All the time, make to be mixed in the magnetic particle in liquid（Magnetisable material）Used in the processing separated from liquid
Magnetic filter.Here, the magnetic filter on prior art, reference picture 5,6 simultaneously illustrates.
It should be noted that Fig. 5 is the schematic diagram of the structure for the magnetic filter for representing prior art,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of property filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.Also, Fig. 6 is to be used to say
Filtration treatment that bright magnetic filter based on prior art is carried out and the processing of magnetisable material is removed from magnetic filter show
It is intended to,（a）It is the schematic diagram for representing to carry out the magnetic filter of filter progress,（b）It is the magnetic mistake for representing to carry out backwash process
The schematic diagram of filter,（c）Be represent filter progress start before filtering SBR magnetic filter schematic diagram.
First, the structure of the magnetic filter of prior art is illustrated.
As shown in figure 5, the magnetic filter 100 of prior art has outer barrel 1 and inner cylinder 2 and the access configured concentrically
The magnet unit rod 3 being accommodated in freely in the cylinder of inner cylinder 2.It should be noted that outer barrel 1 and inner cylinder 2 are formed by metal etc..
Also, outer barrel 1 is formed as the blocked hollow cylindrical in both ends, it is connected with that " filtered fluid enters in the side surface part of outer barrel 1
Mouth pipe 5 " and " filtrate outlet pipe 6 " and " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 ".
Also, inner cylinder 2 is formed as the diameter hollow cylindrical smaller than outer barrel 1.Also, one end of inner cylinder 2（Under in figure
End）The cylinder inner bottom surface portion 1a of outer barrel 1 is arranged at, the one end is blocked for into the state for being capable of sealing.Also, inner cylinder 2 is another
End（Upper end in figure）The upper surface part 1b of side insertion outer barrel 1 simultaneously protrudes from upper surface part 1b, and the upper end open of inner cylinder 2.
Also, magnet unit rod 3 is formed as the diameter generally a cylindrical shape smaller than inner cylinder 2, the inside of magnet unit rod 3 with
The mode that multistage stacks is assembled with generally cylindrical magnet 4.The other end of the magnet unit rod 3 from inner cylinder 2（It is upper in figure
End）Opening insertion, be accommodated in a manner of it can be moved freely through on the central axis direction of inner cylinder 2 in the cylinder of inner cylinder 2.
It should be noted that magnet unit rod 3 is held in holding unit in its upper end（It is not shown）And its lower end is by guarantor
Hold unit and be configured to the lower end than inner cylinder 2 by the top in the state of given dimensional amount, be accommodated in the cylinder of inner cylinder 2.
Also, in " filtered fluid inlet tube 5 ", " filtrate outlet pipe 6 ", " backwash liquor inlet tube 7 " and " backwash liquor outlet
8 " are respectively equipped with the opening/closing units such as open and close valve.Also, " filtered fluid inlet tube 5 ", " filtrate outlet pipe 6 ", " backwash liquor inlet tube
7 " and " backwash liquor outlet 8 " is free to be set as " open state " and " closed state " by foregoing opening/closing unit.
Also, " filtered fluid inlet tube 5 " is connected to " the filtered fluid confession of the pump of " filtered fluid " with supply filtering object etc.
To equipment ", " filtrate outlet pipe 6 " is connected to storage and eliminates catch basin of filtered fluid of magnetisable material etc..Also, " backwash
Liquid inlet tube 7 " is connected to " the backwash liquor supply arrangement " of the pump with supply backwash liquor etc., and " backwash liquor outlet 8 " is connected to
The catch basin of backwash liquor of discharge comprising magnetisable material etc..
Also, in above-mentioned magnetic filter 100, the clearance portion being formed between outer barrel 1 and inner cylinder 2 turns into " filtering
Room 12 ".Also, it is mixed in from " filtered fluid inlet tube 5 " flows into " magnetic particle in " filtered fluid " of filter chamber 12 ", due to magnetic
The magnetic force of iron unit rod 3 and be adsorbed in the circumferential lateral surface of inner cylinder 2（Outside wall surface）.
Then, " filter progress " of magnetic filter 100 is illustrated.
When magnetic filter 100 is used for into filter progress, filtered filter 100 is set as Fig. 6（a）Shown shape
State.Specifically, be formed as state magnet unit rod 3 being accommodated in the cylinder of inner cylinder 2.Also, it is connected to outer barrel 1
" filtered fluid inlet tube 5 " and " filtrate exit pipe 6 " is " open state ", and makes " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 "
For " closed state ".
Be formed as above-mentioned state and make " filtered fluid " from filtered fluid inlet tube 5 flow into when, " filtered fluid " of inflow passes through
" filter chamber 12 ", flowed out from filtrate outlet pipe 6.Now, the magnetic particle being present in filtered fluid is due to magnet unit rod 3
The magnetic force of magnet 4, to the circumferential lateral surface of inner cylinder 2（Outside wall surface）Absorption, magnetic particle is removed from " filtered fluid ".Also, it will remove
" filtered fluid " of magnetic particle has been gone to be discharged from filtrate outlet pipe 6.
Also, magnetic filter 100 has following speciality in its structure, be adsorbed in inner cylinder 2 magnetic particle amount with
" filtration time " increases together, strainability（The removing performance of magnetisable material）Decline.It is therefore, fixed for magnetic filter 100
Carry out backwash process to phase.
Specifically, in backwash process, such as Fig. 6（b）As shown, the magnet unit rod 3 for being accommodated in inner cylinder 2 is carried
Rise, taken out from inner cylinder 2.Also, it is connected to " the filtered fluid inlet tube 5 " and " filtrate outlet pipe 6 " is " closes shape of outer barrel 1
State ", and make " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 " is " open state ".
Be formed as above-mentioned state and make backwash liquor from backwash liquor inlet tube 7 flow into when, " backwash liquor " of inflow passes through " mistake
Filter chamber 12 " simultaneously flows out from backwash liquor outlet 8.Now, because the magnetic force from magnet unit rod 3 does not have influence on inner cylinder 2, so inhaling
Invest the circumferential lateral surface of inner cylinder 2（Outside wall surface）Magnetic particle flowed from backwash liquor inlet tube 7 towards backwash liquor outlet 8
Backwash liquor washes away.
Also, after backwash process is completed, if such as Fig. 6（c）Make as shown taking-up magnet unit rod 3 return in
Be formed as receiving state in the cylinder of cylinder 2, make filtered fluid inlet tube 5 and filtrate outlet pipe 6 be " open state ", and make backwash liquor
Inlet tube 7 and backwash liquor outlet 8 are " closed state ", then turn into " the filtering SBR " that can start filter progress.
It should be noted that in patent document 1, although not making inner cylinder 2 be worked as filter, disclose
A kind of magnetic particle for magnetizing filter body by magnet and making to be mixed in liquid is adsorbed in the Magnetic filtration device of filter body
Device.
Patent document 1：Japanese Unexamined Patent Publication 7-68109 publications.
However, the magnetic filter 100 of above-mentioned prior art has following technical problem：In backwash process, it is
The magnetic particle for being adsorbed in the circumferential lateral surface of inner tube 2 is washed away, it is necessary to make the backwash liquor that high flow rate is in a ratio of with filter progress
Flow into " filter chamber 12 ", therefore, equipment is changed into extensive, cost raising.
Specifically, in the case where carrying out " filtering " using magnetic filter 100, if with the " " mistake in filter chamber 12 "
The flow velocity of filtrate " is as " 0.1~0.5m/s " mode flows into " filtered fluid ", then obtains desired " strainability ".It is another
Aspect, in the case where carrying out backwash using magnetic filter 100, in order to obtain desired " backwash performance ", it is necessary to " filtering
The flow velocity of " backwash liquor " in room 12 " is as " 3.0~6.0m/s " mode flows into backwash liquor.Therefore, using magnetic mistake
In the case of filter 100, need to set large-scale equipment for backwash, cause the cost of filtration processing equipment to improve.
Also, magnetic filter 100 has following technical problem：Because the circumferential lateral surface remaining in inner cylinder 2 has anti-
The magnetic particle not removed completely in washing, so during filtering and backwash is repeated, remaining magnetic particle gradually increases, mistake
Filter performance（The removing performance of magnetic particle）Decline.
In order to prevent above-mentioned " strainability decline ", at present, regularly enter to be about to magnetic filter 100 and decompose and clean
The maintenance operation of the circumferential lateral surface of inner cylinder 2, maintenance operation need time and cost.
It should be noted that the present application people are in order to understand fully the remaining magnetic grain during filtering and backwash is repeated
The reason for sub gradually increase, determine the size distribution of the magnetic particle of the circumferential lateral surface for remaining in inner cylinder 2 after backwash.
Specifically, after having carried out filtered fluid filtering the process of given time in magnetic filter 100, carry out
The process of backwash magnetic filter 100, then determine the magnetic particle for the circumferential lateral surface for remaining in inner cylinder 2.Filtered fluid uses
" water-soluble rolling oil in the roll mill rolled to steel plate ".Now, the magnetic particle included in water-soluble rolling oil
Size Distribution is in the range of " 1~50 μm ".Also, the granularity of the magnetic particle of the outside wall surface for remaining in inner cylinder 2 after backwash
It is distributed as " 1~10 μm "（It is very trickle）.
It can be seen from said determination result, " the remaining magnetic particle after the backwash of magnetic filter 100（In above-mentioned survey
Size distribution is the magnetic particle of " 1~10 μm " in fixed）", less than assuming that the flow velocity of filter chamber 12 calculates when being " 3.0m/s "
Inner cylinder 2 circumferential lateral surface near sticky low layer thickness（Calculate as " 20 μm "）.
That is, the sticky low layer remained near the circumferential lateral surface of the inner cylinder 2 when the magnetic particle of inner cylinder 2 is less than backwash（Stream
Dynamic extremely slow sticky low layer）Thickness, therefore the power of the flushing based on backwash liquor is not acted on, and this is presumed in inner cylinder 2
The reason for circumferential lateral surface magnetic particle gradually increases.
It should be noted that not only allowing for that magnetic filter 100 is regularly decomposed to the method to be safeguarded, also examine
Consider that " 3.0~6.0m/s " is big and the thickness of sticky low layer is diminished anti-to make by making the velocity ratio of the filter chamber 12 of backwash liquor
The remaining quantity of magnetic particle after washing is reduced, but under this methodology, can cause the further up of equipment cost for backwash.
The content of the invention
The present invention completes in view of the above problems, and its object is to provide a kind of cost that can mitigate filtration processing equipment
And the time of maintenance operation, and the magnetic filter of the decline of filter capacity and the magnetic of the magnetic filter can be prevented
Property material remove method.
In order to which the present invention for solving the above problems and completing is a kind of magnetic filter, possess outer barrel and inner cylinder, filter chamber
With magnet unit rod, concentrically, foregoing filtration room is formed at the gap of the outer barrel and inner cylinder, preceding for foregoing outer barrel and inner cylinder configuration
State the access of magnet unit rod to be accommodated in the cylinder of the inner cylinder freely, it is characterised in that in the filtering flowed into foregoing filter chamber
The magnetisable material mixed in liquid, the outer circumferential side of the inner cylinder is adsorbed in due to the magnetic force for the magnet unit rod for being accommodated in foregoing inner cylinder
Face, the scraper with scraping portion is provided with foregoing filtration room, foregoing scraping portion is sliding freely connected to the outer circumferential side of inner cylinder
Face, when making scraper action, circumferential lateral surface of the scraping portion along the inner cylinder is slided, and scraping is adsorbed in the Magnetic Materials of the inner cylinder
Matter.
In this way, the magnetic filter of the present invention employs the Magnetic Materials for being set in filter chamber and directly scraping and being adsorbed in inner cylinder
The structure of the scraper of matter, therefore the magnetic filter of the prior art with being removed the magnetisable material for being adsorbed in inner cylinder by backwash
（Reference picture 5,6）Compare, can effectively remove the magnetisable material for being adsorbed in magnetic filter（Magnetisable material can not be made remaining
Remove in inner cylinder）.As a result, according to the present invention, there is provided one kind prevents strainability（The removing performance of magnetisable material）'s
The magnetic filter of decline.
Also,, can be straight by scraper without magnetic filter is decomposed according to the structure of the magnetic filter of the present invention
Scraping magnetisable material is connect, therefore can be reduced magnetic filter decomposition the number of maintenance operation that carries out（Or not
Need maintenance operation）, the time of mitigation maintenance operation.
Also, the present invention without necessity provided with scraper due to flowing into the backwash liquor of high flow rate, therefore and prior art
Compare, the cost of filtration processing equipment can be mitigated.
Also, magnetic suction unit is provided with foregoing scraper, it is interior from this in the magnet unit rod that will be accommodated in foregoing inner cylinder
Cylinder take out when, the effect of magnetic force of the foregoing scraper provided with foregoing magnetic suction unit due to the magnet unit rod and act, it is foregoing
Circumferential lateral surface of the scraping portion along the inner cylinder is slided, and scraping is adsorbed in the magnetisable material of the inner cylinder.
In this way, according to the structure of the present invention, if carrying out in prior art（Reference picture 5, Fig. 6）In also carry out " from inner cylinder
The process for taking out magnet unit rod ", then do not have to carry out special operation and scraping portion automatically scrapes the magnetic for being adsorbed in inner cylinder
Material.I.e., in the present invention, the magnetisable material for being adsorbed in inner cylinder can effectively be removed without increasing flow chart.
Also, according to the structure of the present invention, due to provided with magnetic suction unit, so need not be provided for making what scraper acted
A kind of devices such as motor, there is provided filtration processing equipment for inhibiting cost.
Also, the present invention removes method for a kind of magnetisable material of foregoing magnetic filter, it is characterised in that is scraped foregoing
Magnetic suction unit is provided with knife, the magnetisable material of foregoing magnetic filter, which removes method, has scraping process and backwash process,
In foregoing scraping process, the magnet unit rod for being accommodated in foregoing inner cylinder is taken out from foregoing inner cylinder, thus, due to the magnet unit
The effect of the magnetic force of rod and act the foregoing scraper provided with foregoing magnetic suction unit, make foregoing scraping portion along the outer of the inner cylinder
All sides are slided, and scraping is adsorbed in the magnetisable material of the inner cylinder, in foregoing backwash process, backwash liquor is flowed into foregoing filtration
Room, the magnetisable material for making to scrape in foregoing scraping process are discharged together with the backwash liquor from foregoing filter chamber..
In this way, removing method according to the magnetisable material of the magnetic filter of the present invention, employ and directly scraped by scraper
The method of the magnetisable material of inner cylinder is adsorbed in, therefore can effectively remove the magnetisable material for being adsorbed in magnetic filter.
Also, " eliminate the magnetic for being adsorbed in inner cylinder in the scraping process in the present invention, carried out before backwash process
Material ", therefore be not necessarily to as prior art flow into backwash process the backwash liquor of high flow rate.Therefore, according to this
The removing method of the magnetisable material for being attached to magnetic filter of invention, compared with prior art, alleviates filtration processing equipment
Cost.
Also, the present invention removes method for a kind of magnetisable material of foregoing magnetic filter, it is characterised in that is scraped foregoing
Magnetic suction unit is provided with knife, outlet is provided with foregoing filtration room, the magnetisable material of foregoing magnetic filter removes method tool
Have and scrape process and discharge process, in foregoing scraping process, the magnet unit rod of foregoing inner cylinder will be accommodated in from foregoing inner cylinder
Lift and taken out from the inner cylinder, thus, attract foregoing magnetic suction unit due to the magnetic force of the magnet unit rod, make to be provided with the magnetic
Property suction unit scraper acted upward together with the magnet unit rod, slide circumferential lateral surface of the foregoing scraping portion along the inner cylinder
Dynamic, scraping is adsorbed in the magnetisable material of the inner cylinder, in foregoing discharge process, the foregoing magnet unit that will be taken out from foregoing inner cylinder
Rod is left behind and returned in the cylinder of the inner cylinder, thus, is made by the foregoing scraper and the magnet list of the magnetic force attraction of the magnet unit rod
First rod just moves downwardly together, extruding and gravity by the scraper moved downwards, will be scraped in foregoing scraping process
Magnetisable material together with the filtered fluid for residuing in the filter chamber from foregoing outlet discharge.
In this way, in the magnetisable material removing method of the present invention, it is not necessary that backwash process is carried out, there is no need for
The equipment such as the pump of backwash and backwash liquor.That is, method is removed according to the magnetisable material of the magnetic filter of the present invention, be greatly reduced
The cost of filtration processing equipment.
According to the present invention, it is possible to provide the time of a kind of cost that can mitigate filtration processing equipment and maintenance operation,
And the magnetic filter of the decline of filter capacity can be prevented.
Brief description of the drawings
Fig. 1 is the schematic diagram of the structure for the magnetic filter for representing the first embodiment of the present invention,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Fig. 2 is for illustrating filtration treatment that the magnetic filter of the first embodiment based on the present invention carries out and from magnetic
Property filter remove magnetisable material processing schematic diagram,（a）It is the schematic diagram for representing to carry out the magnetic filter of filter progress,
（b）It is the schematic diagram for representing scrape the magnetic filter of process,（c）It is the magnetic filter for representing to carry out backwash process
Schematic diagram,（d）Be represent filter progress start before filtering SBR magnetic filter schematic diagram.
Fig. 3 is the schematic diagram of the structure for the magnetic filter for representing second embodiment of the present invention,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Fig. 4 is for illustrating filtration treatment that magnetic filter based on second embodiment of the present invention carries out and from magnetic
Property filter remove magnetisable material processing schematic diagram,（a）It is the schematic diagram for representing to carry out the magnetic filter of filter progress,
（b）It is the schematic diagram for representing scrape the magnetic filter of process,（c）It is to represent to carry out the magnetic filter for discharging process
Schematic diagram,（d）Be represent filter progress start before filtering SBR magnetic filter schematic diagram.
Fig. 5 is the schematic diagram of the structure for the magnetic filter for representing prior art,（a）It is to represent that the vertical of magnetic filter cuts
The schematic diagram in face,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Fig. 6 is the filtration treatment carried out for magnetic filter of the explanation based on prior art and removed from magnetic filter
The schematic diagram of the processing of magnetisable material,（a）It is the schematic diagram for representing to carry out the magnetic filter of filter progress,（b）Be represent into
The schematic diagram of the magnetic filter of row backwash process,（c）Be represent filter progress start before filtering SBR magnetic mistake
The schematic diagram of filter.
Fig. 7 is the schematic diagram of the structure for the magnetic filter for representing third embodiment of the present invention,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Fig. 8 is the schematic diagram of the structure for the magnetic filter for representing the 4th embodiment of the present invention,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Embodiment
Hereinafter, embodiments of the present invention are illustrated based on accompanying drawing（First, second, third, fourth embodiment）Magnetic
Property filter.
It should be noted that in present embodiment（First, second, third, fourth embodiment）Explanation in, for
The magnetic filter 100 of above-mentioned prior art（Fig. 5, Fig. 6）Identical structure（Or suitable structure）, mark identical accompanying drawing
Mark and simplify explanation.
First, the structure of the magnetic filter of the first embodiment of the present invention is illustrated based on Fig. 1.
Fig. 1 is the schematic diagram of the structure for the magnetic filter for representing the first embodiment of the present invention,（a）It is to represent magnetic
The schematic diagram of the longitudinal section of filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
As illustrated, the magnetic filter W1 of first embodiment has outer barrel 1 and the He of inner cylinder 2 configured concentrically
Access is accommodated in the magnet unit rod 3 in the cylinder of inner cylinder 2 freely.Also, the outer peripheral face of the inner peripheral surface and inner cylinder 2 in outer barrel 1
Between the clearance portion that is formed turn into " filter chamber 12 ".
Also, the scraper 9 with scraping portion 9a is provided with filter chamber 12, foregoing scraping portion 9a is in inner cylinder 2（And outer barrel 1）
Central axis direction（The direction parallel with central shaft）On can act（It is mobile）And sliding freely it is connected to the periphery of inner cylinder 2
Side.Make the scraper 9 when being acted on central axis direction, circumferential lateral surfaces of the scraping portion 9a along inner cylinder 2 is slided, and scraping is adsorbed in
The magnetisable material of the circumferential lateral surface of inner cylinder 2.
It should be noted that for accessing the means of magnet unit rod 3 from inner cylinder 2, and be not particularly limited.For example, can be with
By possessing the drive mechanism of the power sources such as motor（It is not shown）, magnet unit rod 3 is accessed from inner cylinder 2, can also be configured to make
Dealer oneself can manually access magnet unit rod 3.
Also, outer barrel 1 is formed as hollow cylindrical, " filtered fluid inlet tube 5 ", " filtering are connected with the side surface part of outer barrel 1
Liquid outlet 6 ", " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 ".
Also, inner cylinder 2 is formed as the diameter hollow cylindrical smaller than outer barrel 1, one end of inner cylinder 2（Lower end in figure）Set
In the cylinder inner bottom surface portion 1a of outer barrel 1, the one end is blocked for into the state for being capable of sealing.Also, the other end insertion of inner cylinder 2 is outer
The upper surface part 1b of cylinder 1, protruded from upper surface part 1b（Another end opening of inner cylinder 2）.
Also, magnet unit rod 3 is formed as the diameter generally a cylindrical shape smaller than inner cylinder 2, the inside of magnet unit rod 3 with
The mode that multistage stacks is assembled with generally cylindrical magnet 4.
Also, scraper 9 has the scraping portion 9a in the ring-type of centrally disposed through hole（Scraped in the example of diagram for 10
Take portion 9a）With the support column 9b that supporting and fixing is carried out to scraping portion 9a（It is 4 support column 9b in the example of diagram）, at each
Platen 9b upper end is provided with magnetic and attracts block（Magnetic suction unit）11, scraper 9 and magnetic attract block 11 to be integrally formed.
It should be noted that the length dimension h1 untill the upper end that support column 9b lower end to magnetic attracts block 11 is less than
The length dimension h2 of " central axis direction " of outer barrel 1（H1 ＜ h2）.
Also, above-mentioned scraping portion 9a is formed by metal or synthetic resin etc..It should be noted that scraping portion 9a can be
Banding ring-shaped or so-called Deep-fried doughnut with given thickness size（doughnut）Shape ring-shaped.
Also, scraping portion 9a is configured to, the inner peripheral portion of through hole is sliding freely connected to the circumferential lateral surface of inner cylinder 2, and
Scraping portion 9a is parallel with the bottom surface sections 1a of outer barrel 1, and scraping portion 9a peripheral edge portion is supported by being fixed on support column 9b side
Portion.It should be noted that in the example of diagram, scraping portion 9a is being propped up by making scraping portion 9a peripheral edge portion insert to be embedded in
" the otch that platen 9b side surface part is set（Groove）" and be supported by being fixed on support column 9b, but it is not particularly limited to this.Will
The method that scraping portion 9a is fixed on support column 9b is adapted to welding, deposition, bonding etc..
Also, the example provided with multiple scraping portion 9a in the first embodiment, is shown, but scraping portion 9a number can
Appropriate setting.For example, scraping portion 9a can be with only 1.
Above-mentioned support column 9b is formed by metal or synthetic resin etc..Also, in the example of diagram, support column 9b is formed as
Prism-shaped, but can also be the shape in addition to prism-shaped（It is for example, cylindric）.Also, in the example of diagram, 4 support columns
9b by separate it is equally spaced in a manner of configure circlewise, but support column 9b number is one.
Also, magnetic attracts block 11 by magnetic（Such as ferrite-group stainless steel steel, general construction rolled steel
Deng）Formed, the methods of by insertion, welding, deposition, bonding, be installed on support column 9b upper end.
Also, in the first embodiment, magnetic attracts block 11 to be installed on support column 9b upper end, but and is not particularly limited
In this.Magnetic attracts block 11 to be arranged at the position in addition to support column 9b upper end.It should be noted that magnetic attracts
The set location of block 11 is desired for not hindering in the position of the flowing of " filtered fluid " or " backwash liquor " of the internal flow of filter chamber 12
Put.It should be noted that magnetic attracts block 11 to be formed as example so-called Deep-fried doughnut（doughnut）Shape ring-shaped or banding annular
Shape.
According to above-mentioned structure, scraper 9 and magnetic attract block 11 can be in the model of " length of central axis direction " of outer barrel 1
Interior edge central axis direction is enclosed to move back and forth.
Also, magnetic attracts block 11 due to attracting attraction caused by the magnetic force between block 11 as magnet unit rod 3 and magnetic
Power, moved together to the identical direction of magnet unit rod 3 with the movement of magnet unit rod 3.
That is, make magnet unit rod 3 when being moved on central axis direction, be magnetic suction by the installation that magnet unit rod 3 attracts
Draw the scraper 9 of block 11, acted to the identical direction of magnet unit rod 3.Now, the scraping portion 9a of scraper 9 is along the outer of inner cylinder 2
All sides are slided, therefore the magnetisable material for being adsorbed in inner cylinder 2 is scraped.
Then, the magnetic filter W1 of first embodiment " filtration treatment and " and " magnetisable material are illustrated using Fig. 2
Removing is handled ".
It should be noted that Fig. 2 is for illustrating that the magnetic filter of the first embodiment based on the present invention is carried out
Filtration treatment and from magnetic filter remove magnetisable material processing schematic diagram,（a）It is the magnetic for representing to carry out filter progress
The schematic diagram of filter,（b）It is the schematic diagram for representing scrape the magnetic filter of process,（c）It is to represent to carry out backwash work
The schematic diagram of the magnetic filter of sequence,（d）Be represent filter progress start before the magnetic filter of filtering SBR show
It is intended to.
First, the process by magnetic filter W1 " filtration treatments " carried out is illustrated（Filter progress）.
When magnetic filter W1 is used in into filter progress, filtered filter W1 is set to Fig. 2（a）Shown shape
State.Specifically, be formed as state magnet unit rod 3 being accommodated in the cylinder of inner cylinder 2.Also, make what is be connected with outer barrel 1
" filtered fluid inlet tube 5 " and " filtrate outlet pipe 6 " is open state, and makes " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 "
For closed state.
Be formed as the state and make " filtered fluid " from " when filtered fluid inlet tube 5 " flows into, " filtered fluid " of inflow passes through " mistake
Filter chamber 12 ", from " filtrate outlet pipe 6 " flows out.Now, the magnetic particle being present in filtered fluid is due to magnet unit rod 3
The magnetic force of magnet 4, to the circumferential lateral surface of inner cylinder 2（Outside wall surface）Absorption, eliminates " filtered fluid " of magnetic particle from " filtered fluid goes out
Mouth pipe 6 " flows out.
Then, the process of magnetic filter W1 " magnetisable material removing processing " is illustrated.
In " the magnetisable material removing processing ", on the basis of it stopped filtration treatment, carry out scraping process and backwash
Process, the foregoing magnetisable material for scraping process directly scraping and being adsorbed in inner cylinder 2, foregoing backwash process make to scrape in process is scraped
Magnetisable material from " filter chamber 12 " discharge.
In process is scraped, such as Fig. 2（b）It is shown, make " filtered fluid inlet tube 5 ", " filtrate outlet being connected with outer barrel 1
Pipe 6 ", " backwash liquor inlet tube 7 " and " 8 " all closed states of backwash liquor outlet.
Be formed as above-mentioned state, the magnet unit rod 3 for being accommodated in inner cylinder 2 is moved on the central axis direction of inner cylinder 2
（Magnet unit rod 3 is lifted upward）, so as to be taken out from inner cylinder 2.Now, " the installation attracted by the magnetic force of magnet unit rod 3
It is magnetic and attracts the scraper 9 " of block 11 to be acted to the identical direction of magnet unit rod 3（It is mobile）.That is, by by magnet unit rod
3 lift, and can make that " scraper 9 " is moved upward.Also, acted upward together with magnet unit rod 3 in scraper 9（It is mobile）
When, the circumferential lateral surface of the scraping portion 9a of scraper 9 along inner cylinder 2 is slided, and scraping is adsorbed in the Magnetic Materials of the circumferential lateral surface of inner cylinder 2
Matter, the magnetisable material for being adsorbed in circumferential lateral surface are peeled off from circumferential lateral surface.
Complete to carry out backwash process after above-mentioned scraping process, make from the magnetisable material that inner cylinder 2 is peeled off from " filter chamber 12 "
Discharge.
Specifically, such as Fig. 2（c）It is shown, make " filtered fluid inlet tube 5 " and " the filtrate outlet pipe 6 " being connected with outer barrel 1
For closed state, and make " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 " is open state.It should be noted that in backwash process
When, magnet unit rod 3 is pre-formed into the state taken out from inner cylinder 2（Fig. 2（c）Shown state）.
Be formed as above-mentioned state and make backwash liquor from backwash liquor inlet tube 7 flow into when, " backwash liquor " of inflow passes through " mistake
Filter chamber 12 ", from the outflow of backwash liquor outlet 8.Now, the magnetisable material scraped in process is scraped is together with backwash liquor from " filtering
Discharge room 12 ".
It should be noted that complete magnetisable material removing processing（Scrape process and backwash process）Afterwards, make to take out from inner cylinder 2
Magnet unit rod 3 return inner cylinder 2 cylinder in, be formed as receiving state.It should be noted that make magnet unit rod 3 in inner cylinder 2
Central axis direction on move（Move downwards）And when returning in the cylinder of inner cylinder 2, scraper 9 also together with magnet unit rod 3 to
Lower section is moved, and pillar 9b turns into the state for the bottom surface sections 1a for being placed in outer barrel 1.Also, make filtered fluid inlet tube 5 and filtered fluid
Outlet 6 is open state and makes backwash liquor inlet tube 7 and backwash liquor outlet 8 when being closed state, such as Fig. 2（d）It is shown, it is set as
" the filtering SBR " of filter progress can be started.
In this way, removing processing method according to the magnetisable material of first embodiment, make magnet unit rod 3 at the center of inner cylinder 2
Moved on direction of principal axis and from inner cylinder 2 take out magnet unit rod 3 when, scraper 9 also automatically to the identical direction of magnet unit rod 3
Mobile, scraping portion 9a scrapes the magnetisable material for being adsorbed in inner cylinder 2, therefore without carrying out the special work for scraping magnetisable material
Industry, it can effectively remove the magnetisable material for being adsorbed in inner cylinder.That is, according to first embodiment, if carrying out in prior art
Magnetic filter（Reference picture 5, Fig. 6）In " process that magnet unit rod 3 is taken out from inner cylinder " that also carries out, then scraping portion 9a is automatic
Ground scrapes the magnetisable material for being adsorbed in inner cylinder 2.
Also, the magnetisable material of inner cylinder 2 in the first embodiment, is adsorbed in by the directly scraping of scraper 9, makes Magnetic Materials
Matter is peeled off from inner cylinder 2, therefore compared with making the method that magnetisable material is peeled off by the backwash of prior art（Reference picture 6）, energy
It is enough effectively to remove magnetisable material.As a result, according to first embodiment, " the strainability of magnetic filter can be prevented（Magnetic
The removing performance of property material）" decline.
Also, according to first embodiment, without magnetic filter W1 is decomposed, it can directly scrape magnetic by scraper 9
Property material, therefore the number of maintenance operation decomposed magnetic filter W1 to carry out can be reduced（Or it need not protect
Support upkeep operation）, the time of mitigation maintenance operation.
Also, as a result of the method for the magnetisable material that inner cylinder 2 is adsorbed in by the directly scraping of scraper 9, so being not required to
As prior art flow into backwash process the backwash liquor of high flow rate.As a result, according to first embodiment, with
Prior art is compared, and alleviates the equipment cost for filtration treatment.
Also, make magnetisable material in scraping process on the basis of the stripping of inner cylinder 2, can by carrying out backwash process
Magnetisable material is set easily and substantially complete to be discharged from filter chamber 12.
As described above, according to first embodiment, it is possible to provide it is a kind of can mitigate filtration processing equipment into
Sheet and the time of maintenance operation, and the magnetic filter W1 of the decline of filter capacity can be prevented.
Then, the magnetic filter of second embodiment of the present invention is illustrated.
It should be noted that second embodiment is that the embodiment of local deformation has been carried out to first embodiment.For
This, illustrates the part different from first embodiment below, omits the explanation with first embodiment identical structure.Also,
In this second embodiment, for the magnetic filter W1 with first embodiment（Fig. 1, Fig. 2）Identical structure（Or suitable
Structure）, mark identical reference.
First, the magnetic filter W2 of second embodiment structure is illustrated based on Fig. 3.
It should be noted that Fig. 3 is the schematic diagram of the structure for the magnetic filter for representing second embodiment of the present invention,
（a）It is the schematic diagram for the longitudinal section for representing magnetic filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
As illustrated, in the magnetic filter W2 of second embodiment, discharged in the bottom of outer barrel 1 provided with iron powder
Portion 13, and have " backwash liquor inlet tube 7 " and " backwash liquor outlet 8 ", and under the support column 9b of scraper 9 outer barrel 1 is not connected
End is substantially L-shaped under section view, and these above-mentioned points are different from first embodiment, but structure in addition is identical.
Specifically, the iron powder discharge unit 13 of the hollow cylindrical connected with filter chamber 12 is provided with the lower end of outer barrel 1.Iron
It is smaller than outer barrel 1 and bigger than inner cylinder 2 that powder discharge unit 13 is formed as diameter, is provided with the bottom of iron powder discharge unit 13 and possesses open and close valve
Deng the iron powder outlet 13a of opening/closing unit.
It should be noted that in the example of diagram, inner cylinder 2 penetrates the bottom surface sections 1a of outer barrel 1, is extended to iron powder and discharges
Mouth 13a position, but it is not particularly limited to this.The bottom of inner cylinder 2 can also be arranged at outer as first embodiment
The cylinder inner bottom surface portion 1a of cylinder 1.
Also, in this second embodiment, make iron powder outlet in the case where carrying out filter progress and scraping process
13a is closed state, and in the case where carrying out " discharge process " described later, it is open state to make iron powder outlet 13a.
Also, in this second embodiment, as one, the bottom for making the support column 9b of prism-shaped is big under section view
Cause L-shaped.The bottom for so making support column 9b is that substantially L-shaped is in discharge process described later, discharge iron powder
Mouth 13a opening becomes big, easily carries out the discharge of magnetisable material.
Then, using Fig. 4 come the magnetic filter W2 " filtration treatment " and " magnetic that illustrate to have used second embodiment
Material removing is handled ".
It should be noted that Fig. 4 is for illustrating that the magnetic filter based on second embodiment of the present invention is carried out
Filtration treatment and from magnetic filter remove magnetisable material processing schematic diagram,（a）It is the magnetic for representing to carry out filter progress
The schematic diagram of filter,（b）It is the schematic diagram for representing scrape the magnetic filter of process,（c）It is to represent to carry out discharge work
The schematic diagram of the magnetic filter of sequence,（d）Be represent filter progress start before the magnetic filter of filtering SBR show
It is intended to.
First, the process of " filtration treatment " for having used magnetic filter W2 is illustrated（Filter progress）.
When magnetic filter W2 is used in into filter progress, magnetic filter W2 is set as Fig. 4（a）Shown shape
State.Specifically, be formed as state magnet unit rod 3 being accommodated in the cylinder of inner cylinder 2.Also, make what is be connected with outer barrel 1
" filtered fluid inlet tube 5 " and " filtrate outlet pipe 6 " is open state, makes the iron powder outlet 13a located at the lower end of outer barrel 1 to close
State.
Be formed as the state and make " filtered fluid " from filtered fluid inlet tube 5 flow into when, as first embodiment, exist
Magnetic particle in filtered fluid is due to the magnetic force of the magnet 4 of magnet unit rod 3, to the circumferential lateral surface of inner cylinder 2（Outside wall surface）Inhale
Attached, " filtered fluid " for eliminating magnetic particle flows out from filtrate outlet pipe 6.
Then, the process of magnetic filter W2 " magnetisable material removing processing " is illustrated.
In " the magnetisable material removing processing ", on the basis of it stopped filtration treatment, carry out scraping process and discharge
Process, the foregoing magnetisable material for scraping process directly scraping and being adsorbed in inner cylinder 2, foregoing discharge process make to scrape in process is scraped
Magnetisable material from " filter chamber 12 " discharge.
In process is scraped, such as Fig. 4（b）It is shown, make " filtered fluid inlet tube 5 ", " filtrate outlet being connected with outer barrel 1
Pipe 6 " is closed state.Also, it is closed state to make the iron powder outlet 13a located at the lower end of outer barrel 1.Also, carry out with first in fact
The same process of mode is applied, removes the magnetisable material for the circumferential lateral surface for being adsorbed in inner cylinder 2.
Specifically, as first embodiment, by the way that the magnet unit rod 3 for being accommodated in inner cylinder 2 is lifted, from inner cylinder
2 are taken out, and scraper 9 is acted upward due to the magnetic force of magnet unit rod 3 together with magnet unit rod 3（It is mobile）.Also, scraping
When knife 9 acts upward together with magnet unit rod 3, the circumferential lateral surface of the scraping portion 9a of scraper 9 along inner cylinder 2 is slided, scraping
The magnetisable material of the circumferential lateral surface of inner cylinder 2 is adsorbed in, the magnetisable material for being adsorbed in the circumferential lateral surface of inner cylinder 2 is shelled from circumferential lateral surface
From.
Then, the discharge process carried out after above-mentioned scraping process is illustrated.
Specifically, such as Fig. 4（c）It is shown, make " filtered fluid inlet tube 5 " and " the filtrate outlet pipe 6 " being connected with outer barrel 1
For closed state（It is pre-formed into scraping process identical state）.
Also, it is open state to make the iron powder outlet 13a located at the lower end of outer barrel 1, the magnetic that will lift and take out from inner cylinder 2
Iron unit rod 3 is left behind and returned in the cylinder of inner cylinder 2.It should be noted that return to inner cylinder 2 magnet unit rod 3 is left behind
When in cylinder, also side is mobile downwardly together with magnet unit rod 3 for scraper 9, and pillar 9b is as the bottom surface sections 1a's for being placed in outer barrel 1
State.
In the discharge process, the magnetisable material of process scraping is being scraped due to acting downwards（It is mobile）Scraper 9
Extruding and gravity, extruded towards iron powder outlet 13a sides together with " filtered fluid " that residues in filter chamber 12, arranged from iron powder
Export 13a discharges.
It should be noted that complete magnetisable material removing processing（Scrape process and discharge process）Afterwards, if such as Fig. 4（d）Institute
" the filtered fluid inlet tube 5 " and " filtrate outlet pipe 6 " is open state and makes to be located at outer barrel 1 for making to be connected with outer barrel 1 as showing
The iron powder outlet 13a of lower end be closed state, then be set as starting " the filtering SBR " of filter progress.
In this way, in this second embodiment, also use by the scraping process same with first embodiment and direct
Scraping is adsorbed in the method for the magnetisable material of inner cylinder 2, therefore can obtain the action effect same with first embodiment.Also,
Second embodiment is not carried out " backwash process ", therefore the equipment for not needing backwash（Supply pump of backwash water etc.）, with first
The magnetic filter W1 of embodiment, which is compared, can mitigate equipment cost.
Then, reference picture 7 and the magnetic filter of third embodiment of the present invention is illustrated.
It should be noted that Fig. 7 is the schematic diagram of the structure for the magnetic filter for representing third embodiment of the present invention,
（a）It is the schematic diagram for the longitudinal section for representing magnetic filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
Also, the scraper 9 that the 3rd embodiment will use in above-mentioned first embodiment（Reference picture 1）It is altered to
The scraper 19 spirally formed, the structure in addition to scraper 19 are identical with first embodiment.Therefore, following explanation and first
The different part of embodiment, the explanation with first embodiment identical structure is omitted or simplified.Also, in the 3rd embodiment party
In formula, for the magnetic filter W1 identical structures with first embodiment（Or suitable structure）, mark identical accompanying drawing
Mark.
As illustrated, the magnetic filter W3 of the 3rd embodiment is as first embodiment, has outer barrel 1 and interior
Cylinder 2 and access are accommodated in the magnet unit rod 3 in the cylinder of inner cylinder 2 freely.Also, be formed at the inner peripheral surface of outer barrel 1 with it is interior
Filter chamber 12 between the outer peripheral face of cylinder 2 is provided with scraper 19, and the scraper 19 is in inner cylinder 2（And outer barrel 1）Central axis direction（With
The parallel direction of central shaft）On can act（It is mobile）And sliding freely it is connected to the circumferential lateral surface of inner cylinder 2.
Scraper 19 is formed as having and the diameter identical internal diameter of inner cylinder 2 or the spiral shell of the internal diameter more slightly larger than the diameter of inner cylinder 2
Shape is revolved, is configured in a manner of being wound in the outer peripheral face of inner cylinder 2 from a side to the another side of inner cylinder 2.Also, scraper 19 is in spiral shell
The inner peripheral edge portion of rotation shape turns into the state that scraping portion 19a and scraping portion 19a are sliding freely connected to the outer peripheral face of inner cylinder 2
Under, it is embedded in the outer peripheral face of inner cylinder 2.It should be noted that scraper 19 is formed by metal or synthetic resin etc..
Also, in the one end of scraper 19（Upper end in figure）Attract block provided with magnetic（Magnetic suction unit）11（Scraping
The one end installation of knife 19, which is magnetic, attracts block 11）.Also, from the other end of scraper 19（Bottom in figure）Inhaled to magnetic
Length dimension h10 untill drawing the upper end of block 11 is less than the length dimension h2 of " central axis direction " of outer barrel 1（H10 ＜ h2）.
It should be noted that in the example of diagram, the other end of scraper 19（Bottom in figure）It is configured at and outer barrel 1
Cylinder inner bottom surface portion 1a separation position（The other end is configured at the position higher than bottom surface 1a）, but be not particularly limited to
This.The other end of scraper 19（Bottom in figure）It can be extended to the cylinder inner bottom surface portion 1a of outer barrel 1, the other end
Portion can be configured to be connected to the cylinder inner bottom surface portion 1a of outer barrel 1.
Also, according to the 3rd embodiment, as first embodiment, make magnet unit rod 3 in central axis direction
When upper mobile, the installation that is attracted by magnet unit rod 3 be magnetic attract the scraper 19 of block 11 to the identical side of magnet unit rod 3
To action.Now, circumferential lateral surfaces of the scraping portion 19a of scraper 19 along inner cylinder 2 is slided, therefore is adsorbed in the Magnetic Materials of inner cylinder 2
Matter is scraped.
In this way, according to the 3rd embodiment, magnet unit rod 3 is set to move on the central axis direction of inner cylinder 2 and be taken from inner cylinder 2
When going out magnet unit rod 3, scraper 19 also automatically moves to the identical direction of magnet unit rod 3, scraping portion 19a scraping absorption
In the magnetisable material of inner cylinder 2, therefore obtain the action effect same with above-mentioned first embodiment.
It is not such as first embodiment also, the scraper 19 of the 3rd embodiment is formed by spiral single part
What scraper 9 like that formed multiple assembling parts（Scraping portion 9a is fitted together to and is installed on what scraping support column 9b was formed）Structure,
Therefore compared with the scraper 9 of first embodiment, the higher structure of persistence is turned into.
And then the 3rd embodiment scraper 19 compared with the scraper 9 of first embodiment, number of components is less, and is not required to
" scraping portion 9a to be fitted together to and is installed on scraping support column 9b operation ", therefore obtain action effect as cost reduction.
Then, reference picture 8 and illustrate the present invention the 4th embodiment magnetic filter.
It should be noted that Fig. 8 is the schematic diagram of the structure for the magnetic filter for representing the 4th embodiment of the present invention,
（a）It is the schematic diagram for the longitudinal section for representing magnetic filter,（b）It is the schematic diagram for the cross section for representing magnetic filter.
The scraper 9 that 4th embodiment will use in above-mentioned first embodiment（Reference picture 1）It has been altered to band
The cylindric scraper 29 formed of window, the structure in addition to scraper 29 are identical with first embodiment.Therefore, following explanation with
The different part of first embodiment, the explanation with first embodiment identical structure is omitted or simplified.It is also, real the 4th
Apply in mode, for the magnetic filter W1 identical structures with first embodiment（Or suitable structure）, mark identical
Reference.
As illustrated, the magnetic filter W4 of the 4th embodiment has outer barrel 1 and interior as first embodiment
Cylinder 2 and access are accommodated in the magnet unit rod 3 in the cylinder of inner cylinder 2 freely.Also, be formed at the inner peripheral surface of outer barrel 1 with it is interior
Filter chamber 12 between the outer peripheral face of cylinder 2 is provided with scraper 29, and the scraper 29 is in inner cylinder 2（And outer barrel 1）Central axis direction（With
The parallel direction of central shaft）On can act（It is mobile）, and sliding freely it is connected to the circumferential lateral surface of inner cylinder 2.
Scraper 29 be formed as have with the diameter identical internal diameter of inner cylinder 2 or the internal diameter more slightly larger than the diameter of inner cylinder 2
Hollow cylinder shape（The hollow cylindrical of both ends insertion）, scraper 29 side surface part along " circumference and central axis direction（It is vertical in figure
To）" the two directions, multiple fenestra 29a are formed with predetermined distance, side surface part turns into clathrate due to fenestra 29a.
Also, scraper 29 turns into scraping portion 29a1 in the inside portion of the side formed with clathrate and scraping portion 29a1 is slided
It is connected to freely in the state of the outer peripheral face of inner cylinder 2, is embedded in the outer peripheral face of inner cylinder 2.It should be noted that scraper 29 is by gold
Category or synthetic resin etc. are formed.
Also, in the one end of scraper 29（Upper end in figure）Attract block provided with magnetic（Magnetic suction unit）11（Scraping
The one end installation of knife 29, which is magnetic, attracts block 11）.Also, from the other end of scraper 29（Bottom in figure）Inhaled to magnetic
Length dimension h10 untill drawing the upper end of block 11 is less than the length dimension h2 of " central axis direction " of outer barrel 1（H10 ＜ h2）.
It should be noted that in the example of diagram, the other end of scraper 29（Bottom in figure）It is configured at and outer barrel 1
Cylinder inner bottom surface portion 1a separation position（The other end is configured at the position higher than bottom surface 1a）, but be not particularly limited to
This.The other end of scraper 29（Bottom in figure）It can be extended to the cylinder inner bottom surface portion 1a of outer barrel 1, the other end
Portion can be configured to be connected to the cylinder inner bottom surface portion 1a of outer barrel 1.
Also, according to the 4th embodiment, as first embodiment, make magnet unit rod 3 in central axis direction
When upper mobile, the installation that is attracted by magnet unit rod 3 be magnetic attract the scraper 29 of block 11 to the identical side of magnet unit rod 3
To action.Now, circumferential lateral surfaces of the scraping portion 29a1 of scraper 19 along inner cylinder 2 is slided, therefore is adsorbed in the Magnetic Materials of inner cylinder 2
Matter is scraped.
In this way, according to the 4th embodiment, magnet unit rod 3 is set to move on the central axis direction of inner cylinder 2 and be taken from inner cylinder 2
When going out magnet unit rod 3, scraper 29 is also automatically moved to the identical direction of magnet unit rod 3, and 29a1 scrapings in scraping portion are inhaled
The magnetisable material of inner cylinder 2 is invested, therefore obtains the action effect same with above-mentioned first embodiment.
Also, the scraper 29 of the 4th embodiment is formed by single part of cylindrical shape, is not scraping such as first embodiment
What knife 9 like that formed multiple assembling parts（Scraping portion 9a is fitted together to and is installed on what scraping support column 9b was formed）Structure, because
This turns into the higher structure of persistence compared with the scraper 9 of first embodiment.
And then the 4th embodiment scraper 19 compared with the scraper 9 of first embodiment, reduce number of components, and
" scraping portion 9a need not be fitted together to and be installed on scraping support column 9b operation ", therefore obtain cost to reduce such effect effect
Fruit.
It should be noted that the present invention is not limited to above-mentioned embodiment（First, second, third, fourth embodiment party
Formula）, various changes can be carried out in the range of the purport of the present invention.
For example, in above-mentioned first embodiment, be connected with " filtered fluid inlet tube 5 " and " filtrate outlet pipe 6 " and
" backwash liquor inlet tube 7 " and " backwash liquor outlet 8 ", but be not particularly limited to this.Profit can also be set in the outside of outer barrel 1
With the construction of switching valve Deng Shi pipe arrangements branch, so as to using the construction that inlet tube and outlet are only connected in outer barrel 1.
Also, in above-mentioned embodiment（First, second, third, fourth embodiment）In the magnetic that shows attract block
11 be one.As long as scraper 9 can be made to be acted to the identical direction of magnet unit rod 3, without for bulk.
Also, in first, second above-mentioned embodiment, scraping portion 9a is formed as ring-shaped, but and is not particularly limited
In this.Scraping portion 9a may not be ring-shaped, but set the structure of multiple " semicircle shapes " or " 1/3 round shape " object.
Also, in the scraping process of first, second above-mentioned embodiment, the direction of action of scraper 9 turns into and magnet
The identical direction of unit rod 3, but the direction of action of magnet unit rod 3 is one.As long as by magnet unit rod 3 from inner cylinder 2
During taking-up, because the effect of the magnetic force of magnet unit rod 3 causes scraper 9 to act, so as to outer circumferential sides of the scraping portion 9a along inner cylinder 2
Slide in face.
The straight trip motion of scraper 9 is converted into the mechanism of rotary motion for example, can set, by magnet unit rod 3 from
When inner cylinder 2 takes out, due to the effect of magnetic force, scraper 9 carries out spinning movement.Also, can also set make scraper 9 to magnet list
The reversing device of the opposite direction action of the direction of action of first rod 3, scraper 9 act to the direction opposite with magnet unit rod 3.
Also, in the magnetic filter W2 of second embodiment, scraper 9 can be substituted and carry the 3rd embodiment
Scraper 19（Or the 4th embodiment scraper 29）.
Description of reference numerals
W1, W2, W3, W4 ... magnetic filter；
1 ... outer barrel；
1a ... bottom surface sections（Outer barrel）；
1b ... upper surface parts（Outer barrel）；
2 ... inner cylinders；
3 ... magnet unit rods；
4 ... magnet；
5 ... filtered fluid inlet tubes；
6 ... filtrate outlet pipes；
7 ... backwash liquor inlet tubes；
8 ... backwash liquor outlets；
9 ... scrapers；
9a ... scrapings portion（Scraper）；
9b ... support columns（Scraper）；
9b1 ... legs（Support column）；
11 ... magnetic attract block；
12 ... filter chambers；
13 ... iron powder discharge units；
13a ... iron powder outlets（Iron powder discharge unit）；
19 ... scrapers；
19a ... scrapings portion（Scraper）；
29 ... scrapers；
29a ... fenestras（Scraper）；
29a1 ... scrapings portion（Scraper）.
Claims (3)
1. a kind of magnetic filter, possesses outer barrel and inner cylinder, filter chamber and magnet unit rod, foregoing outer barrel and inner cylinder are configured to together
Heart shaped, foregoing filtration room are formed at the gap of the outer barrel and inner cylinder, and foregoing magnet unit rod access is accommodated in the inner cylinder freely
Cylinder in, it is characterised in that
The magnetisable material mixed in the filtered fluid flowed into foregoing filter chamber, due to being accommodated in the magnet unit rod of foregoing inner cylinder
Magnetic force and be adsorbed in the circumferential lateral surface of the inner cylinder,
The scraper with scraping portion is provided with foregoing filtration room, foregoing scraping portion is sliding freely connected to the outer circumferential side of inner cylinder
Face, when making scraper action, circumferential lateral surface of the scraping portion along the inner cylinder is slided, and scraping is adsorbed in the Magnetic Materials of the inner cylinder
Matter,
Magnetic suction unit is provided with foregoing scraper,
When the magnet unit rod for being accommodated in foregoing inner cylinder is taken out from the inner cylinder, the foregoing scraper provided with foregoing magnetic suction unit
Acted due to the effect of the magnetic force of the magnet unit rod, circumferential lateral surface of the foregoing scraping portion along the inner cylinder is slided, and scraping is inhaled
Invest the magnetisable material of the inner cylinder.
2. a kind of magnetisable material of the magnetic filter described in claim 1 removes method, it is characterised in that
Magnetic suction unit is provided with foregoing scraper,
The magnetisable material of magnetic filter described in preceding claims 1, which removes method, has scraping process and backwash process,
In foregoing scraping process, the magnet unit rod for being accommodated in foregoing inner cylinder is taken out from foregoing inner cylinder, thus, due to the magnetic
The effect of the magnetic force of iron unit rod and make provided with foregoing magnetic suction unit foregoing scraper act, make foregoing scraping portion interior along this
The circumferential lateral surface of cylinder is slided, and scraping is adsorbed in the magnetisable material of the inner cylinder,
In foregoing backwash process, backwash liquor is flowed into foregoing filtration room, make the magnetisable material scraped in foregoing scraping process
Discharged with together with the backwash liquor from foregoing filter chamber.
3. a kind of magnetisable material of the magnetic filter described in claim 1 removes method, it is characterised in that
Magnetic suction unit is provided with foregoing scraper,
Outlet is provided with foregoing filtration room,
The magnetisable material of magnetic filter described in preceding claims 1, which removes method, has scraping process and discharge process,
In foregoing scraping process, the magnet unit rod for being accommodated in foregoing inner cylinder is lifted from foregoing inner cylinder and taken from the inner cylinder
Go out, thus, attract foregoing magnetic suction unit due to the magnetic force of the magnet unit rod, make scraper provided with the magnetic suction unit with
The magnet unit rod acts upward together, slides circumferential lateral surface of the foregoing scraping portion along the inner cylinder, scraping is adsorbed in this
The magnetisable material of inner cylinder,
In foregoing discharge process, the foregoing magnet unit rod taken out from foregoing inner cylinder is left behind and returned in the cylinder of the inner cylinder,
Thus, make by the magnet unit rod magnetic force attraction foregoing scraper just moved downwardly together with the magnet unit rod, by
The extruding of the scraper of lower section movement and gravity, by the magnetisable material scraped in foregoing scraping process and residue in the filter chamber
Filtered fluid together from foregoing outlet discharge.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014118494 | 2014-06-09 | ||
| JP2014-118494 | 2014-06-09 | ||
| PCT/JP2015/062530 WO2015190179A1 (en) | 2014-06-09 | 2015-04-24 | Magnetic filter and magnetic substance removal method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106457260A CN106457260A (en) | 2017-02-22 |
| CN106457260B true CN106457260B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580031106.0A Active CN106457260B (en) | 2014-06-09 | 2015-04-24 | Magnetic filter and magnetisable material remove method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6308698B2 (en) |
| KR (1) | KR20170016337A (en) |
| CN (1) | CN106457260B (en) |
| WO (1) | WO2015190179A1 (en) |
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| JP4463654B2 (en) * | 2004-10-05 | 2010-05-19 | トヨタ自動車株式会社 | Magnetic separation device and liquid cleaning device |
| JP2006341212A (en) * | 2005-06-10 | 2006-12-21 | Magnetec Japan Ltd | Apparatus for removing and sweeping magnetic foreign substance |
| JP5230980B2 (en) * | 2007-08-31 | 2013-07-10 | Ｓｕｍｃｏ Ｔｅｃｈｘｉｖ株式会社 | Wire foreign material removal device |
| JP2011011205A (en) * | 2009-06-02 | 2011-01-20 | Nisshin Seisakusho:Kk | Magnetic filter device and coolant purifying device for machine tool |
| CN101864525A (en) * | 2010-04-27 | 2010-10-20 | 中国神华能源股份有限公司 | Method for extracting gallium from fly ash |
| CN101838738A (en) * | 2010-04-27 | 2010-09-22 | 中国神华能源股份有限公司 | Method for extracting gallium from flyash |
| JP5454825B1 (en) * | 2013-09-18 | 2014-03-26 | 株式会社ヤリステ | Magnetic powder separator |
-
2015
- 2015-04-24 KR KR1020167032780A patent/KR20170016337A/en unknown
- 2015-04-24 WO PCT/JP2015/062530 patent/WO2015190179A1/en active Application Filing
- 2015-04-24 CN CN201580031106.0A patent/CN106457260B/en active Active
- 2015-04-24 JP JP2016527682A patent/JP6308698B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2015190179A1 (en) | 2017-04-20 |
| CN106457260A (en) | 2017-02-22 |
| WO2015190179A1 (en) | 2015-12-17 |
| KR20170016337A (en) | 2017-02-13 |
| JP6308698B2 (en) | 2018-04-11 |
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