WO2014027717A1 - Appareil de type multicage pour la filtration d'eau de ballast ayant une chambre de post-lavage à contre-courant - Google Patents

Appareil de type multicage pour la filtration d'eau de ballast ayant une chambre de post-lavage à contre-courant Download PDF

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Publication number
WO2014027717A1
WO2014027717A1 PCT/KR2012/007173 KR2012007173W WO2014027717A1 WO 2014027717 A1 WO2014027717 A1 WO 2014027717A1 KR 2012007173 W KR2012007173 W KR 2012007173W WO 2014027717 A1 WO2014027717 A1 WO 2014027717A1
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WO
WIPO (PCT)
Prior art keywords
ballast water
discharge pipe
filter
filtration
cage type
Prior art date
Application number
PCT/KR2012/007173
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English (en)
Korean (ko)
Inventor
이수태
표태성
이수규
Original Assignee
주식회사 파나시아
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Application filed by 주식회사 파나시아 filed Critical 주식회사 파나시아
Publication of WO2014027717A1 publication Critical patent/WO2014027717A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • B63B13/02—Ports for passing water through vessels' sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
    • B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water

Definitions

  • the present invention relates to a multi-cage type ballast water filtration device packaged in a plurality of filtration units in the body in which the ballast water flows in and out, the filtration unit is a filter for filtering the ballast water flowing through the body and foreign matter attached to the filter It includes an automatic washing unit for backwashing, the automatic washing unit includes an outlet having a discharge pipe which is located in the interior of the body and the discharge passage of the foreign matter removed from the filter, the body is in communication with the discharge pipe therein
  • the backwash chamber is formed to temporarily receive the foreign matter removed from the filter, the external configuration of the body is simple and can be reduced in size, so that the installation and maintenance of the filtration device is easy and the area occupied by the filtration device can be reduced. Efficiently operate the space of the vessel in which the filtration device is installed
  • a multi-cage type ballast water filtration device having an available backwash chamber.
  • Ballast water refers to seawater that fills ballast tanks in ships in order to balance the ships when the ships operate without loading.
  • the rate of maritime transportation is gradually increasing. Accordingly, the number of ships and the size of ships are increasing rapidly, and the amount of ballast used by ships is also greatly increased.
  • the amount of ballast water used by ships increases, the incidence of damage to indigenous marine ecosystems caused by foreign marine species also increases.
  • IMO International Maritime Organization
  • ballast water Conventionally, a method for treating ballast water has been a method of exchanging ballast water at sea or treating it on land.
  • a method of installing a ballast water treatment facility in a ship has been widely used.
  • the filtration method using a filter is mainly used as a treatment method used in a ballast water treatment facility.
  • a multi-cage type ballast water filtration device that can handle the is used.
  • FIG. 1 is a partially cutaway exploded perspective view of a conventional multi-cage type ballast water filtration device
  • FIG. 2 is a plan view of a conventional multi-cage type ballast water filtration device
  • FIG. 3 is a bottom view of a conventional multi-cage type ballast water filtration device. In Figure 1 to 3 to look at the conventional multi-cage type ballast water filtration device.
  • the discharge pipes 76 protrude from the body 72 and communicate with one connection pipe 77, the external configuration of the filtration device is complicated and the size is increased. It is difficult to install and repair, especially in the special environment such as ship, because the space where the filtration device is installed is also very narrow (the space such as the machine room is designed relatively narrow to secure the space for the ship's own purpose). Given that the outer space of the very narrow, as in the conventional structure is concentrated on the outside of the filtration device has a problem that the difficulty of installation and repair of the device will further increase. In addition, since the discharge pipe 76, which occupies a relatively small inner area, is bent with a long length, foreign matter is easily trapped inside the discharge pipe 76, thereby causing a large back pressure to prevent discharge of foreign matter and backwash water.
  • the conventional multi-cage type ballast water filtration device is formed by welding the discharge pipe 76 for discharging foreign matter and backwash water in the body 72, the corrosion of the interior of the body 72 and the discharge pipe 76.
  • the discharge pipe 76 After installing the discharge pipe 76 to the body 72 to prevent the paint to enter the inside of the body 72, the operator has no choice but to apply the coating work to prevent corrosion of the inside of the body is difficult There is a problem that is difficult to install and maintain.
  • the conventional multi-cage type ballast water filtration device has a first pressure sensor 73 for measuring the pressure of the outside of the filter 71, the body 72, and each filtration unit (filter 71 and the automatic cleaning unit ( And a second pressure sensor 75 installed at each filter unit to measure the pressure inside the filter 71 of each filtration unit, and the foreign matter is attached to the filter 71.
  • the automatic cleaning unit 74 is sequentially driven for each filtration unit in which the pressure inside the body 72 and a differential pressure of a predetermined range or more are generated, and thus the filter 71. Backwashed.
  • the present invention has been made to solve the above problems,
  • the discharge pipe is connected to the backwashing chamber formed at the inner bottom of the body so that the foreign matter and backwashing water formed during the washing process of the filter are collected in the backwashing chamber inside the body and then discharged to the outside through the backwashing line communicating with the backwashing chamber.
  • the external structure of the body is simple and can be reduced in size by removing the foreign matter and discharging the body, except for the back washing line, so that the filtration device is easy to install and maintain. It is an object of the present invention to provide a multi-cage type ballast water filtration device having a backwashing chamber capable of reducing the area occupied and efficiently operating a space of a vessel in which the filtration device is installed.
  • the present invention can effectively prevent the discharge pipe is blocked by the foreign matter because the discharge pipe does not protrude to the outside of the body, that is, short and not bent, it is possible to improve the backwashing efficiency of the filter Eggplant has a purpose to provide a multi-cage type ballast water filtration device.
  • the present invention even if the automatic washing unit operates all at the same time a large amount of foreign matter and backwash water through the discharge pipe, because the foreign matter and backwash water is collected in the backwashing chamber occupies a relatively large area, the foreign matter and the backwash water It is an object of the present invention to provide a multi-cage type ballast water filtration device having a backwash chamber in which back pressure to prevent movement is not easily formed.
  • the discharge pipe is detachably connected to the body, and then the paint is applied to the inside of the body and the discharge pipe, respectively, to prevent corrosion, even though the discharge pipe is connected to the inside of the body. It is an object of the present invention to provide a multi-cage type ballast water filtration device having a backwashing chamber that can be easily painted to prevent internal corrosion, thereby reducing the time and cost required for fabricating the filtration device.
  • the present invention is to install a second pressure sensor only in the selected filtration unit by selecting a certain number of filtration filters in the order of the high pressure inside the filter of the filtration unit when using the filtration device, and the value measured by the second pressure sensor When the difference in the value measured by the pressure sensor exceeds a predetermined range, the automatic cleaning parts of the plurality of filtration units are driven to backwash the foreign substances attached to the filter, thereby improving the second foreign substance while improving the efficiency of removing the foreign substances. It is an object of the present invention to provide a multi-cage type ballast water filtration apparatus having a backwashing chamber capable of reducing the amount of used.
  • the present invention is implemented by the embodiment having the following configuration to achieve the above object.
  • a multi-cage type ballast water filtration apparatus having a backwashing chamber is a multi-cage-type ballast water connected to a plurality of filtration units packaged in a body having an inlet and an outlet through which ballast water flows in and out.
  • the filtration unit includes a filter for filtering the ballast water flowing through the body, and an automatic washing unit for backwashing the foreign matter attached to the filter, the automatic washing unit is located inside the body and the And a discharge part having a discharge pipe that is a discharge passage of the foreign matter removed from the filter, wherein the body is provided with a backwashing chamber communicating with the discharge pipe therein to temporarily receive the foreign matter removed from the filter, thereby forming an external configuration of the body. It is characterized in that the simple and reduced size.
  • a multi-cage type ballast water filtration apparatus having a backwashing chamber is connected to a lower surface of the body and communicates with the backwashing chamber to backwash foreign substances to the outside of the body.
  • the body forms a first partition wall connected to the lower side of the discharge pipe and a bottom surface of the body. And a lower surface, wherein the backwashing chamber is formed between the first partition wall and the lower surface.
  • the discharge pipe is detachably attached to the body, and the time and cost used for manufacturing the filtration apparatus are reduced. Characterized in that can be reduced.
  • the body is a first partition wall detachably coupled to the lower side of the discharge pipe, and the upper side of the first partition wall It is formed in and characterized in that it further comprises a second partition wall detachably coupled to the upper side of the discharge pipe.
  • the first partition includes a discharge pipe accommodation hole into which a lower side of the discharge pipe is inserted, and the discharge portion is A second connection that is inserted into an outer surface of a lower side of the discharge pipe and surrounds the discharge pipe and is inserted into the discharge pipe accommodation hole to fix the discharge pipe to the first partition wall and seal a gap between an outer surface of the discharge pipe and an inner surface of the discharge pipe accommodation hole; And a member.
  • the first partition wall surrounds the discharge pipe receiving hole and protrudes from the upper surface of the first partition wall.
  • the second connecting member further includes a sealing part disposed on an outer surface of the discharge pipe and an inner surface of the discharge pipe accommodation hole to seal the discharge pipe accommodation ball that is not occupied by the discharge pipe, and protrudes on one side of the closure part. It is characterized in that it comprises a support for supporting the second connecting member in contact with the upper surface of the protruding jaw.
  • an O-ring is installed between the sealing part and the discharge pipe, and between the protruding jaw and the supporting part.
  • the second partition in the multi-cage type ballast water filtration apparatus having a backwashing chamber according to the present invention, includes a ballast water inlet for introducing ballast water into the filter, and the discharge pipe It includes a protruding coupling piece protruding from the upper side, characterized in that the upper side of the discharge pipe is accommodated in the ballast inlet hole and the protruding coupling piece is seated on the upper surface of the second partition wall.
  • the protruding coupling pieces and the second partition wall are detachably connected by fastening means.
  • the automatic washing unit further includes a suction unit for sucking the foreign matter attached to the filter, the suction unit
  • the suction rod is connected to the suction rod for sucking the foreign matter attached to the filter is provided with a stopper on one side of the core acting as a rotating shaft for rotating the suction rod, and when the stopper contacts the body to limit the movement to the lower side of the core It is characterized in that the suction rod can prevent damage to the body hit.
  • the multi-cage type ballast water filtration apparatus measures a pressure inside the body of the outside of the filter.
  • a second pressure sensor installed in the filtration unit of some of the plurality of filtration units, the pressure sensor measuring the pressure inside the filter of each filtration unit, and the value measured by the second pressure sensor and the first pressure sensor.
  • the second pressure sensor has a predetermined number in order of increasing pressure inside the filter of the filtration unit when the filtration apparatus is used.
  • the second pressure sensor is characterized in that it is installed in each of two to three filtration units.
  • the present invention can obtain the following effects by the configuration, combination, and use relationship described above with the present embodiment.
  • the discharge pipe is connected to the backwashing chamber formed at the inner bottom of the body so that the foreign matter and backwashing water formed during the washing process of the filter are collected in the backwashing chamber inside the body and then discharged to the outside through the backwashing line communicating with the backwashing chamber.
  • the external structure of the body is simple and can be reduced in size by removing the foreign matter and discharging the body, except for the back washing line, so that the filtration device is easy to install and maintain. Since the area occupied can be reduced, the space of the vessel in which the filtration device is installed can be efficiently operated.
  • the present invention can effectively prevent the discharge pipe is blocked by the foreign matter because the discharge pipe is not protruded to the outside of the body, that is, short and not bent, there is an effect that can improve the backwashing efficiency of the filter .
  • the present invention even if the automatic washing unit operates all at the same time a large amount of foreign matter and backwash water through the discharge pipe, because the foreign matter and backwash water is collected in the backwashing chamber occupies a relatively large area, the foreign matter and the backwash water There is an effect that the back pressure to prevent movement is not easily formed.
  • the discharge pipe is detachably connected to the body, and then the paint is applied to the inside of the body and the discharge pipe, respectively, to prevent corrosion, even though the discharge pipe is connected to the inside of the body. Paint can be easily done to prevent internal corrosion, reducing the time and cost required to manufacture the filter.
  • the present invention has the effect of improving the filtration efficiency of the filter by back washing a plurality of filters at the same time.
  • the present invention is to install a second pressure sensor only in the selected filtration unit by selecting a certain number of filtration filters in the order of the high pressure inside the filter of the filtration unit when using the filtration device, and the value measured by the second pressure sensor
  • the automatic cleaning parts of the plurality of filtration units are driven to backwash the foreign substances attached to the filter, thereby improving the second foreign substance while improving the efficiency of removing the foreign substances. It is effective to reduce the amount of used economics.
  • FIG. 1 is an exploded perspective view of a partial cut of a conventional multi-cage type ballast water filtration device.
  • Figure 2 is a plan view of a conventional multi-cage type ballast water filtration device.
  • Figure 3 is a bottom view of a conventional multi-cage type ballast water filtration device.
  • Figure 4 is an exploded perspective view of a partial cut of the multi-cage type ballast water filtration apparatus according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a multi-cage type ballast water filtration apparatus according to an embodiment of the present invention.
  • FIG. 6 is a plan view of a multi-cage type ballast water filtration apparatus according to an embodiment of the present invention.
  • Figure 7 is a bottom view of the multi-cage type ballast water filtration device according to an embodiment of the present invention.
  • FIG. 8 is an enlarged view of a portion A of FIG. 5.
  • FIG. 9 is an enlarged view of a portion B of FIG. 5.
  • Figure 10 is a perspective view of the discharge portion used in the multi-cage type ballast water filtration device according to an embodiment of the present invention.
  • Figure 11 is a flow chart showing a method for automatic simultaneous backwashing control using a multi-cage type ballast water filtration apparatus according to an embodiment of the present invention.
  • body 110 inlet 120: outlet 130: the upper surface
  • first partition 150 second partition 160: lower surface 170: upper cover plate
  • filter inlet hole 141 discharge pipe accommodation ball 142: protruding jaw 151: ballast water inlet hole
  • drive motor 312 drive shaft 321: suction rod 322: core
  • discharge pipe 332 first connecting member 333: second connecting member 3211: suction port
  • stopper 3311 protruding coupling piece 3331: sealing part 3332: support part
  • FIG. 4 is a partially cutaway exploded perspective view of the multi-cage type ballast water filtration apparatus according to an embodiment of the present invention
  • Figure 5 is a cross-sectional view of the multi-cage type ballast water filtration device according to an embodiment of the present invention
  • Figure 6 7 is a plan view of the multi-cage type ballast water filtration apparatus according to an embodiment of the present invention
  • Figure 7 is a bottom view of the multi-cage type ballast water filtration device according to an embodiment of the present invention
  • FIG. 10 is a perspective view of a discharge pipe used in a multi-cage type ballast water filtration apparatus according to an embodiment of the present invention
  • FIG. 1 is a flowchart illustrating a method for controlling automatic simultaneous backwashing using a multi-cage type ballast water filtration device according to an embodiment.
  • the multi-cage type ballast water filtration device includes a body 10 through which the ballast water flows out; A plurality of filtration units installed in the body 10 and comprising a filter 20 and an automatic washing unit 30; A back washing line 40 connected to the body 10 to move foreign substances and back washing water; A first pressure sensor 50 for measuring the pressure inside the body 10; A second pressure sensor 60 for measuring the pressure inside the filter 20; Control unit for controlling the operation of the filtration device (not shown); It includes such a configuration.
  • the filtration unit is not marked with a separate reference number, but this means a unit consisting of the filter 20 and the automatic washing unit 30.
  • the body 10 is a portion forming the outer skeleton of the multi-cage type ballast water filtration device, the ballast water introduced into the interior through the inlet 110 of the body 10 is located in the body 10 Foreign matters are filtered and processed while passing through the filtration unit, and then discharged through the outlet 120 of the body 10.
  • the outlet portion 120 of the body 10 is preferably located above the inlet portion 110, the inside of the body 10 of the body 10 with the inlet portion 110 therebetween Formed by the first partition wall 140 formed on the lower side and the second partition wall 150 formed on the upper side of the first partition wall 140 to temporarily store the ballast water before the filtration process introduced through the inlet 110
  • the filter 20 is formed by the filtration chamber S1 and the upper surface 130 forming the uppermost surface of the second partition wall 150 and the body 10 with the outlet 120 interposed therebetween.
  • a post-filtration chamber S2 in which the ballast water filtered through the filter 20 is stored, and a lower surface 160 forming a lowermost surface of the first partition wall 140 and the body 10.
  • a backwashing chamber S3 is formed in which foreign substances and backwashing water discharged from the backwashing process of the filter 20 are stored.
  • the filter inlet hole 131 is formed through the upper surface 130 to allow the filter 20 to enter the body 10. After the filter 20 is installed, the filter inlet hole 131 is formed. ) Is coupled to the upper cover plate 170 to close it.
  • the discharge pipe receiving hole 141 is formed to penetrate the first partition wall 140 so that the discharge pipe 331 to be described later will be detachably inserted therein, and surrounds the discharge pipe receiving hole 141.
  • a protruding jaw 142 is formed to protrude upward and contact the second connection member 333 to be described later.
  • a ballast water inlet hole 151 is formed in the second partition wall 150 so that the ballast water temporarily stored in the filtration chamber S1 may be introduced into the filter 20, and surrounds the ballast water inlet hole 151. It is formed so that the lower side of the filter 20 can be stably fixed, and a protruding connecting piece 152 that is detachably coupled with the protruding coupling piece 3311 to be described later is formed.
  • the protruding connecting piece 152 is formed to protrude from the upper surface of the second partition wall 150 to surround the ballast inlet hole 151 and is inserted into the lower side of the filter 20 to fix and support the filter 20.
  • the filter 20 is configured to remove the foreign matter by filtering the ballast water introduced into the body 10, the filter 20 is inserted into the body 10 through the filter inlet 131 is the post-filtration chamber (S2 ), The lower side of the filter 20 is fixed to the second partition wall 150, and the upper side is fixed to the upper surface 130, respectively.
  • the ballast water temporarily stored in the filtration chamber (S1) through the inlet 110 is introduced into the filter 20 through the ballast water inlet 151 to the filter 20
  • the foreign matter is filtered through the inner circumferential surface of the filter 20 while moving to the post-filtration chamber (S2) through the filter.
  • the filter 20 may be preferably formed in a cylindrical shape, and foreign substances such as particles and particles are filtered out in the process of filtering the ballast water to the filter 20. If such filtration continues, foreign matters accumulate on the inner circumferential surface of the filter 20 and the filtration function is deteriorated, so that the foreign matter removal operation on the inner circumferential surface of the filter 20 is performed by the automatic washing unit 30 to be described later.
  • the automatic washing unit 30 is configured to backwash the foreign matter attached to the filter 20.
  • the automatic washing unit 30 controls the automatic washing unit 30 by a signal of a controller (not shown).
  • the driving unit 310 provides power for operating the automatic cleaning unit 30, and uses the power to rotate and / or move the suction unit 320, which will be described later, and generally provides driving power.
  • the driving motor 311 and one end is connected to the driving motor 311, the core of the suction unit 320 to be described later that is connected to the other end while being rotated and / or moved by receiving power from the driving motor 311 And a drive shaft 312 that rotates and / or swings in conjunction with 322.
  • the suction part 320 is a part that sucks the foreign matter attached to the filter 20 while being connected to the driving unit 310, the suction rod 321 for sucking the foreign matter attached to the filter 20 and the like.
  • the suction rod 321 is connected to be spaced apart by a predetermined distance along the longitudinal direction, and one end thereof is coupled to the driving shaft 312 of the driving unit 310 to rotate in conjunction with the rotation of the driving shaft 312 and / or the shankdong. And / or a core 322 serving as a rotating shaft for rotating the suction rod 321 while moving.
  • the suction rod 321 has a foreign material and a backwash water attached to the inner circumferential surface of the filter 20 through a suction port 3211 formed at the center thereof while one end thereof is in contact with or very close to the inner circumferential surface of the filter 20.
  • the filtered ballast water outside the filter 20 is sucked together with the foreign matter attached to the inside of the filter 20 through the outside of the filter 20 by the suction pressure at 3211, which is referred to as 'backwashing water'.
  • the suction pressure at 3211 which is referred to as 'backwashing water'.
  • the core 322 in the discharge portion 330 to be described later through the pipe formed in the longitudinal direction and the foreign matter sucked from each suction rod 321, etc. To be discharged.
  • the core 322 includes a stopper 3221 formed at a position lower than the suction rod 321 at one side, that is, attached to the core 322, as shown in FIG. 8. When it hits the first connection member 332 to be described later it is limited to move to the lower side of the core 322.
  • the discharge part 330 is a part to which foreign substances sucked from the suction part 320 move, and includes a discharge pipe 331, a first connection member 332, and a second connection member 333. .
  • the discharge pipe 331 has an upper end in communication with the core 322 and the lower end in communication with the backwashing chamber (S3) to discharge foreign matters and the like from the core 322 to the backwashing chamber (S3), the body Removably connected to (10).
  • the upper side of the discharge pipe 331 is inserted into the ballast inlet hole 151 is detachably connected to the second partition wall 150, the lower side of the discharge pipe 331 is inserted into the discharge pipe receiving hole 141 is the first 1 is detachably connected to the partition 140.
  • the discharge pipe 331 is formed to protrude radially from the outer surface of the discharge pipe 331, the lower surface is in contact with the upper surface of the coupling piece support portion 1522 when connecting the discharge pipe 331 to the second partition wall (150).
  • Protruding engagement piece 3311 is included. As shown in FIG. 8, the protrusion coupling piece 3311 of the discharge pipe 331 is seated on the coupling piece support part 1522 of the second partition wall 150, and then using a fastening means (a) such as a screw. The protrusion coupling piece 3311 and the coupling piece supporting part 1522 may be coupled to each other to detachably connect the discharge pipe 331 to the second partition wall 150.
  • the first connection member 332 is located between the inner surface of the discharge pipe 331 and the outer surface of the core 322 to prevent the ballast water before filtration into the gap between the discharge pipe 331 and the core 322. .
  • the first connection member 332 is in contact with the stow (3221) in accordance with the movement of the core 322 to limit the movement of the lower side of the core 322, non-metallic material, in particular, self-lubricating plastic, polypropylene It is possible to prevent the stopper 3221 or the first connection member 332 from being damaged even by frequent contact and bumping by forming a plastic material such as PP, nylon, or the like.
  • the second connection member 333 is fitted to the outer surface of the lower side of the discharge pipe 331 surrounds the discharge pipe 331, is inserted into the discharge pipe receiving hole 141, the discharge pipe 331 is the first partition wall Fixed in the 140 and the gap between the outer surface of the discharge pipe 331 and the inner surface of the discharge pipe receiving hole 141 is sealed, the ballast water stored in the pre-filtering chamber (S1) is introduced into the backwashing chamber (S3) To prevent them.
  • the second connection member 333 is made of a predetermined material, but preferably made of a material having elasticity.
  • the second connection member 333 is located between the outer side of the lower side of the discharge pipe 331 and the side surface of the protruding jaw 142, the sealing portion 3331 for sealing the discharge pipe accommodation ball 141, and the The support part 3332 protrudes from one surface of the sealing part 3331 to contact the upper surface of the protruding jaw 142 to support the second connection member 333.
  • An o-ring (b) is inserted into the side surface of the sealing part 3331 to seal between the sealing part 3331 and the discharge pipe 331, and an o-ring (b) is inserted into the lower surface of the support part 3332, thereby supporting the support part 3322.
  • the protrusion 142 is watertight.
  • the protruding coupling piece 3311 is seated on the coupling piece supporting portion 1522 of the second partition wall 150 and then the upper side of the discharge pipe 331 is fastened using the fastening means (a). It is possible to detachably connect to the partition wall 150, and the lower side of the discharge pipe 331 by using the second connection member 333 can be detachably connected to the first partition wall 140.
  • the discharge pipe 331 may be easily installed, replaced and dismantled in the body 10.
  • a welding process is not required unlike in the prior art, and each of the paints to prevent corrosion is applied to the inside of the body 10 and the discharge pipe 331. Thereafter, even when the discharge pipe 331 is connected to the inside of the body 10, the paint is not damaged, so that the coating work can be easily performed to prevent corrosion of the inside of the body. Save time and money.
  • the back washing line 40 is configured to be connected to the lower surface of the body 10 so as to communicate with the back washing chamber S3, and discharges foreign substances and back washing water stored in the back washing chamber S3 to the outside.
  • One side of the backwashing line 40 is connected to an egest control valve (not shown), and the egest control valve is a part that provides a suction force for suction / discharge of foreign matter attached to the filter 20.
  • the ballast water in the filtration chamber S2 is sucked into the suction bar 321 having a low air pressure, and foreign matters attached to the inner circumferential surface of the filter 20 are also included.
  • the ballast water of the post-filtration chamber S2 to be sucked functions as a backwash water, and when the exost valve is closed, suction of backwash water and foreign matter is stopped.
  • the multi-cage type ballast water filtration device is a discharge pipe 331 for discharging the foreign matter and the backwash water is in communication with the backwashing chamber (S3) formed in the inner bottom of the body 10 and the foreign matter formed during the cleaning process of the filter 20
  • the backwash water is collected in the backwashing chamber (S3) inside the body and is discharged to the outside through the backwashing line (40) communicating with the backwashing chamber (S3)
  • the configuration for removing and discharging the foreign matter except for the backwashing line Is located inside the body of the body of the outer structure of the body is simple and can be reduced in size, the installation and maintenance of the filtration device is easy to reduce the area occupied by the filtration device space of the vessel in which the filtration device is installed There is a characteristic that can be operated efficiently.
  • the discharge pipe 331 is not protruded to the outside of the body 10, that is, shortly formed and not bent, so that the discharge pipe 331 can be effectively prevented from being blocked by foreign matters, so that the filter The backwashing efficiency of (20) can be improved.
  • the first pressure sensor 50 is a sensor that measures the pressure inside the body 10 and the outside of the filter 20, and the second pressure sensor 60 measures the pressure inside the filter 20.
  • the second pressure sensor 60 is installed in a specific partial filtration unit as shown in FIG. 6 (the second pressure sensor is installed less than the number of filtration units). , And measures the pressure inside the filter 20 of some filtration units.
  • the second pressure sensor 60 is installed by selecting a part of the filtration unit, when using the filtration device selects a certain number of filtration filter in the order of the high pressure inside the filter of the filtration unit second pressure only to the selected filtration unit
  • the sensor is installed, and preferably, the second pressure sensor is installed only in two or three filtration units. For example, as shown in FIG. 6, after filtering the ballast water using a filtration device having 11 filtration units for a predetermined period of time, the pressure inside the filter 20 of each filtration unit is measured, and the pressure is high. Select three filtration units in order. Subsequently, in the case of manufacturing the filtration apparatus as shown in FIG. 6, the second pressure sensor 60 is installed only at the filtration unit at the same position as the filtration unit selected in the process of selecting the filtration unit.
  • the control unit controls the electrical and mechanical operation of the filtration device, and in particular compares the value output from the first pressure sensor 50 and the second pressure sensor 60 and the first pressure sensor 50 and When the difference in the value measured by the second pressure sensor 60 exceeds a predetermined range, all of the automatic washing units 30 of the plurality of filtration units are simultaneously driven to backwash the foreign matter attached to the filter 20. .
  • FIGS. 4 to 6 and 11 a method for controlling automatic simultaneous backwashing in a multi-cage type ballast water filtration device in which the first and second pressure sensors 50 and 60 are installed as described above will be described.
  • a plurality of filtration units are packaged in the body 10 having the inlet 110 and the outlet 120 to be connected, and the pressure inside the body 10 is measured during the filtration process in the multi-cage type ballast water filtration device.
  • the first pressure sensor 50 installed on the upper side of the body 10 (if necessary, the first pressure sensor 50 is connected to the body 10). It is not excluded that the case is installed at the inlet of the outlet 120 of the) and the pressure inside the body 10, more specifically, the interior of the filtration chamber (S2), the filtered ballast water is measured and measured. By transmitting the value to the controller (not shown), the controller (not shown) allows the pressure inside the body 10 to be always managed.
  • a plurality of second pressure sensors 60 (less than the number of filtration units) disposed to measure the pressure inside the filter 20.
  • the controller controls the pressure value inside the body 10 transmitted in the first pressure measuring step S1 and the filter unit filter 20 transmitted in the second pressure measuring step S2.
  • the back washing operation may be performed to remove foreign substances attached to the filter 20 by simultaneously driving the automatic washing unit 30 for all the filtration units. By doing so, it is possible to prevent the malfunction of the backwashing only the filter 20 of the specific filtration unit occurring in the conventional filtration device to improve the efficiency of the backwashing.
  • the filtration device can reduce the amount of use of the second pressure sensor 60 to achieve economic efficiency.
  • the filtration apparatus is the reverse of the foreign matter and back in the back washing room (S3) occupies a relatively large area, even if the automatic washing unit (5) is all operated at the same time a large amount of foreign matter and backwash water is discharged through the discharge pipe 333. Since the washing water is collected, the back pressure that prevents the movement of the foreign matter and backwashing water is not easily formed.

Abstract

La présente invention porte sur un appareil de type multicage pour la filtration d'eau de ballast, dans lequel une pluralité d'unités de filtration sont regroupées et raccordées à l'intérieur d'un corps dans lequel de l'eau de ballast est introduite ou hors duquel de l'eau de ballast est rejetée, l'unité de filtration comprenant un filtre pour la filtration de l'eau de ballast qui circule à l'intérieur du corps et un partie de nettoyage automatique pour le lavage à contre-courant de substances étrangères qui adhèrent au filtre, la partie de nettoyage automatique comprenant une partie de rejet, qui est située à l'intérieur du corps et qui a un tuyau de rejet qui sert de passage de rejet pour les substances étrangères qui sont enlevées du filtre et une chambre de post-lavage à contre-courant, qui communique avec le tuyau de rejet, destinée à contenir temporairement les substances étrangères qui sont enlevées du filtre, étant disposée à l'intérieur du corps, ce qui réduit de cette manière la surface qui est prise par l'appareil de filtration, de sorte que l'espace à l'intérieur d'un navire dans lequel l'appareil de filtration est installé peut être efficacement utilisé.
PCT/KR2012/007173 2012-08-17 2012-09-06 Appareil de type multicage pour la filtration d'eau de ballast ayant une chambre de post-lavage à contre-courant WO2014027717A1 (fr)

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KR1020120089938A KR101381892B1 (ko) 2012-08-17 2012-08-17 역세후실을 가지는 멀티케이지 타입 밸러스트수 여과장치

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