WO1998006474A1 - Appareil de separation et de filtration en continu - Google Patents

Appareil de separation et de filtration en continu Download PDF

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Publication number
WO1998006474A1
WO1998006474A1 PCT/JP1997/002712 JP9702712W WO9806474A1 WO 1998006474 A1 WO1998006474 A1 WO 1998006474A1 JP 9702712 W JP9702712 W JP 9702712W WO 9806474 A1 WO9806474 A1 WO 9806474A1
Authority
WO
WIPO (PCT)
Prior art keywords
screen
rotating
partition
foreign matter
rotary
Prior art date
Application number
PCT/JP1997/002712
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Yokota
Shingo Yokota
Original Assignee
Kabushiki Kaisha Yokota Seisakusho
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kabushiki Kaisha Yokota Seisakusho filed Critical Kabushiki Kaisha Yokota Seisakusho
Priority to AU37088/97A priority Critical patent/AU3708897A/en
Priority to JP50957698A priority patent/JP4003193B2/ja
Publication of WO1998006474A1 publication Critical patent/WO1998006474A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0217—Separation of non-miscible liquids by centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force

Definitions

  • the present invention relates to a filtration / separation device which is installed in a fluid intake or a conduit for transferring a fluid, and separates and removes dust and foreign matter contained in the fluid.
  • the present invention relates to a filtration / separation device ⁇ which has a function of quickly and continuously removing the particles.
  • the term “fluid I” shall generically represent liquid and air-holding.
  • the term “foreign matter” shall refer to various kinds of dust and foreign matter to be separated, for example, when the fluid is liquid. When the fluid is a gas, various kinds of dust, granules, material fragments, etc. shall be generically represented. Background art
  • a general filtration device for example, there are a system in which a screen made of a wire mesh, a perforated plate, a slit plate, and the like is stretched, a cyclone system, a centrifugal separation system, and the like. There are sieving, wiping and backwashing methods to remove them, and it is well known that they have been widely used.
  • the biggest problem with the conventional filtration device is the method of discharging foreign matter deposited on the screen, that is, the method of dealing with clogging.
  • various methods such as a sieving method, a wiping method, and a backwashing method are used. Proposals have been made, but in any case, foreign substances must be discharged and cleaned by closing the pipes before and after the apparatus, and even if it is possible to continuously discharge foreign substances, the discharge is not Because the method is a device that is larger than the original screen and the production cost is high. However, both methods are far from complete clogging countermeasures, and there were still various technical problems.
  • the present invention has a simple and rose-like structure that can drastically solve these unsolved technical problems, and is easy to design and manufacture.
  • the objective is to obtain a high-performance, low-cost filtration / separation device that does not cause problems whether it is downsized or humanized.
  • Invention opening / bottom
  • the continuous filtration / separation apparatus of the present invention comprises a rotating shaft which is mounted transversely on the vessel by a vessel and is rotated by a driving force;
  • a rotating screen composed of concentric screen disks mounted on the rotating shaft at predetermined intervals in a stacked state
  • a second partition and a second partition extending from the inner wall of the container toward the rotating screen
  • the tip of the first partition is formed so as to be slidable with a small gap with the outer peripheral portion of the rotating screen
  • the tip of the second partition wall is formed so as to be slidable with a small gap from the rotating outer peripheral portion of the rotating screen, and from the rotating outer peripheral portion of the rotating screen toward the center of rotation.
  • Comb-shaped projections are formed so as to enter the gap between the screen disks while reducing the diameter so as to be wound in the direction opposite to the turning direction. It is slidable with little gap with each plate surface,
  • a foreign matter discharge port is formed along the rotation direction of the rotating screen in a region of the container from the first partition to the second partition, and a foreign substance discharge port is formed.
  • a fluid outlet is formed in an area reaching the partition.
  • the rotating shaft is driven by an external power device attached to the container. It may be configured to move.
  • the configuration may be such that the rotating shaft is driven by an internal power unit IS that converts a flow force flowing through the container into a rotational force.
  • a configuration may be adopted in which a foreign substance discharging device for sucking and discharging foreign substances from the foreign substance discharge port to the outside is provided.
  • the fluid inlet, the foreign matter outlet, and the force may both be open to the fluid area on the inflow side.
  • irregularities may be formed on the surface of the screen disk to facilitate the capture of foreign matter.
  • a foreign matter moving device for forcibly moving foreign matters staying in the vicinity of the rotation outer peripheral portion of the screen may be additionally provided.
  • the foreign matter that has a size substantially equal to the laminating gap of the rotating screen and is trapped cannot be swirled from the center of rotation to the outer periphery when the rotating screen rotates. Is guided to the outer peripheral portion while being pressed against the comb-shaped projections formed in the shape of a ridge, and is then pushed so as to be pressed against the fluid inlet side surface of the second partition, and then detaches from the rotating screen. Partition wall fluid population Stay on the side.
  • This ⁇ ⁇ screen may be rotated M intermittently or ⁇ ; continuously. As a result, foreign matter that has separated from the rotating screen and has entered the second runaway ⁇ side (or may be appropriately removed from the image non-display u).
  • FIG. 2 is a cross-sectional view of the first embodiment of the present invention.
  • FIG. 3 is a longitudinal sectional view (XX section of the fourth example) of the second embodiment of the present invention.
  • FIG. 4 is a cross-sectional view I (a sectional view of FIG. 3I) of the second embodiment of the present invention.
  • FIG. 5 is a longitudinal sectional view of a third embodiment of the present invention.
  • FIG. 6 is a side view of a third embodiment of the present invention.
  • FIG. 7 is a longitudinal sectional view of the fourth embodiment of the present invention.
  • FIG. 8 is a plan view of a fourth embodiment of the present invention! 3 ⁇ 4. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 and FIG. 2 show a first embodiment of the present invention, which is an application example in which a fluid transfer is installed in a road.
  • 1 is a container in which a rotating shaft 3 is mounted transversely. Mfc (clockwise in the figure
  • a rotary screen 2 is formed on the rotating shaft 3 by mounting a core screen, plates 1, 2, 3... At predetermined intervals in a stack. (The number of this screen [re-plate ⁇ 1; ⁇ 2; hence is not limited to the number shown in FIG. 2 for convenience of explanation. c)
  • first partition 5 and a second partition 6 extend from the inner part of the container 1 toward the recirculation screen 2.
  • the distal end of the first partition wall 5 is formed so as to be able to disappear with a small gap between the opening I and the outer rotating part of the screen 2.
  • the tip of the second section 6 is formed so as to be able to i′ft with a small gap with the outer peripheral portion of the rotating screen 2 and the outer peripheral portion of the rotating screen 2 extends from the outer peripheral portion of the rotating screen 2 toward the center of rotation.
  • ⁇ ] Comb shaped so as to enter the gap between screen disks ⁇ 1 ⁇ 2 ⁇ 3... that is reduced in diameter so that it is wound in the direction opposite to the direction of rotation of rolling screen 2.
  • the toothed projections have Q 1, Q 2, Q 3,..., And are formed to be slidable with little space between the screen surfaces of the screen disk.
  • the fluid that is going to flow from the inlet channel a to the outlet channel c is the-partition wall 5 and the comb-like projection Q 1; Q 2; Q 3 —because it is blocked by the second partition wall 6, the remaining flowable passage, that is, the lamination gap of the rotating screen 2 (the finely divided screens constituting the rotating screen 2)
  • the gap between the discs P 1, P 2, and P 3) is the first distance! 5
  • the part between the tip and the center of rotation is turned in the direction of rotation of the rotating screen 2. Will pass through.
  • This flowable passage is the filtration passage b.
  • the round screen 2 may be rotated intermittently or continuously rotated. As a result, the material that has detached from the fel transfer screen 2 and stayed in the foreign material storage chamber d may be removed by opening the foreign material discharge port 9 as appropriate.
  • ? A fc can structure, it becomes possible to filtration and foreign matter clogging elimination is repeated without question constantly device before and after conduit It has the remarkable feature that continuous operation can be performed without eliminating H clogging by closing.
  • the sliding area between the outer peripheral portion of the rotating screen 2 and the tip portions of the first partition 5 and the second partition 6 is smaller than the original h, and the comb-like projections Q 1; Q 2;
  • the shape of the screen can also be formed so as to reduce the sliding area with the screens P 1, P 2, P 3..., So that even if a small foreign matter is buried in the gap between them, it can be easily separated. It can be rotated with less creaking and sharpness.
  • FIG. 2 shows an example of a driving method using an external power unit 4 attached to the container 1, and the power source is an actuator, an engine, An appropriate power such as a motor may be used, and it operates sufficiently even when the rotation speed of the rotating shaft 3 is extremely low, so that a large reduction ratio can be obtained.
  • the source may be small.
  • the fact that the power source for this drive may be small means that it is possible to drive not only the external power but also the internal power that uses the power of the flow itself, as described later.
  • An impeller or water:: may be provided in the pipeline to reduce the rolling force and use it as power, or external power and partial power may be used in combination. ] Since the rotating screen 2 does not need to be driven at all times, it is possible to even move the foreign matter when the stagnant scene of the foreign matter becomes predetermined.
  • the screen disks P 1, P 2, P 3... May be simple disk-shaped flat plates as shown in the figure, but the surface of the screen disk (peripheral portion or plate surface) is provided with irregularities.
  • the disc may be attached to the rotating shaft 3 by a fixed method, but it is possible to provide a stopper for transmitting the rotational force, and then stack the discs in a laminated manner and screw both ends with screws. Therefore, it is easy and convenient to disassemble and clean during maintenance and inspection.
  • FIG. 3 and FIG. 4 show a second embodiment of the present invention.
  • the power unit 4 for rotating the lfc screen 2 is changed from the external power system in the first embodiment to an internal power system using the power of the fluid flow itself. It is a thing. That is, an example was shown in which an impeller was provided in a pipeline, and its rotational force was reduced to provide a power unit.
  • a suction source different from the above-described pressure reducing device or pump may be biased, or a branch line may be provided from the front device fl or the suction line of the pump.
  • the filter is filtered to the ft. ⁇ ! 4
  • the foreign matter is discharged by the filtering device to avoid entering the flow path.
  • Dress ⁇ 1 It is necessary to add after 0.
  • a regulating valve may be provided on the fluid population 7 side to adjust the momentum of the foreign matter discharge.
  • the method of discharging the foreign matter after shutting off the front and rear of the main body ⁇ may be used. Of course ( .
  • FIG. 5 and FIG. 6 show a third embodiment of the present invention.
  • the fluid inlet 7 and the foreign matter outlet 9 of the first embodiment are used in combination. Both are open to the fluid area on the inflow side.
  • the example used as a suction pipe 1 at the tip of a suction pipe 11 immersed in is reduced.
  • an object moving device 12 as shown in the figure may be provided.
  • the foreign matter moving device 12 may be of various types such as a screw conveyor type, a zircling brush type, a stirring blade type, etc. in addition to the belt conveyor type shown in the figure.
  • a driving force source different from the driving force source of the rotating screen 2 may be provided, or the mechanism driven in conjunction with the ⁇
  • FIG. 7 and FIG. 8 show a fourth embodiment of the present invention.
  • This embodiment is obtained by adding running wheels 13 to that of the third embodiment, and is different from the third embodiment in that, for example, it is used as a suction port that crawls on the bottom of a tank flow passage to perform suction. .
  • the running wheel 1 3 is linked with the rotation axis 3 of the [ ⁇ ] screen 2 as shown in Fig. It may be driven in a manner that does not require driving, or may be a method in which it is possible to achieve a natural rolling without driving.
  • the shape of the wheel 13 is also provided with a tire type and ridges, so that it can be set according to the local furniture.
  • the screen disk forming the rotating screen 2 By minimizing the gap between the first-interval ⁇ 6 with the teeth Q, Q1, Q2, Q3, etc., the risk of foreign matter being caught is extremely small, but the number of times;
  • a foreign substance removing member may be mounted on a sliding portion of these members (not shown).
  • the shape of the foreign substance removing member is as follows.
  • the mounting place RJi is It may be on either side of the identification side, and plays a role of removing and cleaning foreign matter while being in contact with the member to be wrought.
  • the filtration operation and foreign matter discharge process of the apparatus of the present invention can be further automated according to local needs.
  • continuous fel rotation is preferable to maintain high performance, but if it is desired to save the driving energy or there is little foreign matter.
  • the rotating screen may be used to increase the flow resistance due to the accumulation of foreign matter near the screen 2.
  • a differential pressure detecting device that detects an increase in the differential pressure before and after, or a device that mechanically detects the accumulation of foreign matter is provided. Detailed explanations of 1M are omitted), based on detection signals from them.
  • the material discharge ⁇ 9 may be closed at any time, but it may be periodically opened by the evening image. Alternatively, it may be opened based on a detection signal from the detection device.
  • the manual operation and the automatic operation can be similarly performed for the activation / deactivation of the material discharge / concealment 10 and the foreign substance moving device 12.
  • a sequence control function based on various detection signals may be added so that all of the operations described in (a) and (b) are operated.
  • the continuous filtration / separation apparatus has a one-time effect of the ffl effect, and further, according to the constituent elements of the present invention, Various designs can be changed within the scope of the present invention, such as changing the number of components, the positional relationship between the components, or using conventional technology. It is possible to appropriately select one that is suitable for local fixtures, and the present invention is not limited to the above embodiments.
  • the present invention can be applied not only to the so-called “filtration” work for eliminating foreign matter but also to the “separation” work for sorting objects according to their thickness. Furthermore, it is naturally possible to perform a more advanced multi-stage filtration / separation by combining a plurality of the present apparatuses having different sizes of foreign substances that can pass through. It is not limited. Industrial applicability
  • the present invention relates to a rotating screen formed by laminating screen disks as described below.
  • ⁇ ⁇ ⁇ ⁇ Concise and simple based on a new technical concept that allows the fluid to pass through the interstices and the foreign matter of a size that cannot pass through the interstices to the outer periphery of the screen.
  • the structure drastically solves the technical problem of the conventional filter device i (the treatment of the ball in the i-type), ⁇ -production is easy, and the material that has been removed can be discharged easily and easily. It has a high performance and economical filtration / separation device which does not cause any problems even if it is humanized, and it can achieve a wide range of excellent results such as measurement, production and maintenance. The remarkable effect is extremely large compared to the conventional technology

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Cet appareil, très efficace et économique, de séparation et de filtration en continu peut évacuer facilement et en continu des matières étrangères colmatant le tamis, et il comprend un arbre rotatif, mis en rotation par une force d'entraînement et ajusté transversalement dans une gaine, un tamis rotatif comportant des disques tamis concentriques fixés sur l'arbre rotatif, en couches et au niveau d'intervalles déterminés, ainsi qu'une première et une seconde portion séparatrice s'étendant depuis la paroi intérieure de la gaine vers le tamis rotatif. L'extrémité de la première portion séparatrice est conçue de manière à pouvoir coulisser sur un petit espace libre, à partir de la portion périphérique extérieure et rotative du tamis rotatif, et l'extrémité de la seconde portion de paroi séparatrice est conçue de manière à pouvoir coulisser sur un petit espace libre, à partir de la portion périphérique extérieure et rotative du tamis rotatif, et elle présente en même temps des protubérances du type arêtes, lesquelles peuvent pénétrer dans les espaces situés entre les disques, possèdent un diamètre allant en se réduisant de cette portion périphérique du tamis rotatif vers le centre de rotation, de façon à pouvoir être mises en rotation dans le sens opposé au sens de rotation du tamis rotatif, et sont conçues pour pouvoir coulisser sur un petit espace libre à partir des surfaces de ces disques tamis. En outre, cet appareil comprend, dans le sens de rotation du tamis rotatif, un orifice d'entrée de fluide et un orifice d'évacuation de matières étrangères, formés dans une zone située entre la première et la seconde portion de paroi séparatrice, ainsi qu'un orifice d'évacuation de fluide formé dans une zone située entre la seconde et la première portion.
PCT/JP1997/002712 1996-08-13 1997-08-04 Appareil de separation et de filtration en continu WO1998006474A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU37088/97A AU3708897A (en) 1996-08-13 1997-08-04 Continuous filtration and separation apparatus
JP50957698A JP4003193B2 (ja) 1996-08-13 1997-08-04 連続濾過分離装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21349996 1996-08-13
JP8/213499 1996-08-13

Publications (1)

Publication Number Publication Date
WO1998006474A1 true WO1998006474A1 (fr) 1998-02-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/002712 WO1998006474A1 (fr) 1996-08-13 1997-08-04 Appareil de separation et de filtration en continu

Country Status (3)

Country Link
JP (1) JP4003193B2 (fr)
AU (1) AU3708897A (fr)
WO (1) WO1998006474A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013107075A (ja) * 2011-10-28 2013-06-06 Kankyo System Kaihatsu:Kk 廃水処理槽用スクリーン装置及び廃水処理方法
JP2016187760A (ja) * 2015-03-30 2016-11-04 株式会社クボタ 処理装置および有機性排水の処理方法
CN108434866A (zh) * 2017-02-16 2018-08-24 松下知识产权经营株式会社 分离装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4735453U (fr) * 1971-05-13 1972-12-20
JPS4735452U (fr) * 1971-05-13 1972-12-20
JPS4949571U (fr) * 1972-08-04 1974-05-01
JPH04341382A (ja) * 1991-05-17 1992-11-27 Kubota Corp 穀物処理設備における精選処理部

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4735453U (fr) * 1971-05-13 1972-12-20
JPS4735452U (fr) * 1971-05-13 1972-12-20
JPS4949571U (fr) * 1972-08-04 1974-05-01
JPH04341382A (ja) * 1991-05-17 1992-11-27 Kubota Corp 穀物処理設備における精選処理部

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013107075A (ja) * 2011-10-28 2013-06-06 Kankyo System Kaihatsu:Kk 廃水処理槽用スクリーン装置及び廃水処理方法
JP2016187760A (ja) * 2015-03-30 2016-11-04 株式会社クボタ 処理装置および有機性排水の処理方法
CN108434866A (zh) * 2017-02-16 2018-08-24 松下知识产权经营株式会社 分离装置

Also Published As

Publication number Publication date
AU3708897A (en) 1998-03-06
JP4003193B2 (ja) 2007-11-07

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