WO2014027715A1 - 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치 및 그 방법 - Google Patents
동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치 및 그 방법 Download PDFInfo
- Publication number
- WO2014027715A1 WO2014027715A1 PCT/KR2012/007171 KR2012007171W WO2014027715A1 WO 2014027715 A1 WO2014027715 A1 WO 2014027715A1 KR 2012007171 W KR2012007171 W KR 2012007171W WO 2014027715 A1 WO2014027715 A1 WO 2014027715A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ballast water
- discharge pipe
- filter
- filtration
- cage type
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 222
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004140 cleaning Methods 0.000 title claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 32
- 238000011001 backwashing Methods 0.000 claims description 87
- 238000005192 partition Methods 0.000 claims description 47
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 230000004308 accommodation Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 19
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000003973 paint Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- 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
- B01D29/11—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
- B01D29/117—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 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
- B01D29/50—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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0453—Filter tubes connected to plates positioned between at least two plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/081—Regeneration of the filter using nozzles or suction devices
- B01D2201/082—Suction devices placed on the cake side of the filtering element
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Definitions
- the present invention relates to a multi-cage type ballast water filtration apparatus and a method, in which a plurality of filtration units are packaged and connected in a body into which the ballast water flows in and out, and more particularly, to a filter and the filter for filtering the ballast water flowing through the body.
- a multi-cage type ballast water filtration device comprising: a first pressure sensor for measuring a pressure inside the body outside of the filter and a filtration unit of some of the plurality of filtration units. And a second pressure sensor installed to measure the pressure inside the filter of each filtration unit, wherein a difference between the value measured by the second pressure sensor and the value measured by the first pressure sensor exceeds a predetermined range.
- 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.
- Conventional multi-cage type ballast water filtration device is the 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 washing unit 74) And a second pressure sensor 75 installed at each filter unit to measure the pressure inside the filter 71 of each filtration unit, and when foreign matter is attached to the filter 71, the inside of the filter 71 is formed.
- the automatic washing unit 74 is sequentially driven for each filtration unit in which the pressure inside the body 72 and the differential pressure of a predetermined range or more are generated, thereby inverting the filter 71. Washed.
- 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 discharge pipes 76 each protrude from the body 72 to communicate with one connection pipe 77, so that the external configuration of the filtration device is complicated and large.
- the installation and repair of the equipment is difficult, and especially in the special environment of ships, the space in which these filtration devices are installed is also very narrow (a space such as a machine room is designed relatively narrow to secure a large space for the ship's unique purpose).
- the outer space of the filtration device is very narrow, in the structure in which the components are concentrated on the outside of the filtration device as in the prior art, there is a problem that the difficulty of installation and repair of the device is inevitably increased.
- 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 present invention has been made to solve the above problems,
- An object of the present invention is to provide a multi-cage type ballast water filtration apparatus and a method for automatically controlling simultaneous backwashing, by simultaneously backwashing a plurality of filters to improve the filtration efficiency of the filter.
- 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 and method for automatically controlling simultaneous backwashing, which can reduce the amount of water used.
- An object of the present invention is to provide a multi-cage type ballast water filtration apparatus and an apparatus for automatically controlling simultaneous backwashing so that a back pressure that prevents the pressure from being easily formed can be prevented.
- the present invention is that the discharge pipe is detachably connected to the body is applied to each of the paint to prevent corrosion to the inside of the body and the discharge pipe, and then the breakage of the paint does not occur even if the discharge pipe is connected to the inside of the body,
- the discharge pipe is detachably connected to the body is applied to each of the paint to prevent corrosion to the inside of the body and the discharge pipe, and then the breakage of the paint does not occur even if the discharge pipe is connected to the inside of the body.
- the present invention is the discharge pipe is communicated to the back wash chamber formed in the inner bottom of the body and the foreign matter and back wash water formed during the washing process of the filter gathered in the back wash chamber inside the body to the outside through the back washing line communicated to the back wash room Since it is discharged, the configuration for removing and removing foreign matter is located inside the body except the backwashing line, so the external configuration of the body can be simplified and reduced in size, so that the filtration device is easy to install and maintain and the filtration It is an object of the present invention to provide a multi-cage type ballast water filtration device and a method for automatically controlling simultaneous backwashing, which can reduce the area occupied by the device so as to efficiently operate the space of the vessel in which the filtration device is installed.
- the present invention can effectively prevent the discharge pipe is blocked by foreign matter because the discharge pipe does not protrude to the outside of the body, that is, short and not bent, thereby improving the backwashing efficiency of the filter at the same time
- An object of the present invention is to provide a multi-cage type ballast water filtration apparatus and a method for automatically controlling the same.
- the present invention is implemented by the embodiment having the following configuration to achieve the above object.
- a multi-cage type ballast water filtration device for automatically controlling simultaneous backwashing is connected to a multi-cage type ballast water filtration device in which a plurality of filtration units are packaged in a body into which the 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 multi-cage type ballast water filtration device includes the outer body of the filter.
- a first pressure sensor for measuring an internal pressure a second pressure sensor installed at a filtration unit of a part of the plurality of filtration units for measuring a pressure inside the filter of each filtration unit, and measured at the second pressure sensor
- the plurality of filtration units when a difference between a value and a value measured by the first pressure sensor exceeds a predetermined range. It characterized in that it further comprises a control unit for driving all of the automatic washing unit.
- the second pressure sensor is in the order of the high pressure inside the filter of the filtration unit when the filtration device is used. Selecting a certain number of filtration filteret is characterized in that it is installed only in the selected filtration unit.
- the second pressure sensor is characterized in that it is installed in each of two to three filtration units. .
- the automatic washing unit has a discharge unit having a discharge pipe that is a discharge passage of the foreign matter removed from the filter It includes, the discharge pipe is characterized in that detachably attached to the interior of the body.
- the body is a first partition wall detachably coupled to the lower side of the discharge pipe, and the first And a second partition wall formed on an upper side of the partition wall and detachably coupled to an upper side of the discharge pipe, wherein the first partition wall includes a discharge pipe accommodation hole into which the lower side of the discharge pipe is inserted, and the discharge part is below the discharge pipe. It is inserted into the outer surface of the surrounding the discharge pipe and is inserted into the discharge pipe accommodation hole to secure the discharge pipe to the first partition wall and including a connection member for sealing a gap between the outer surface of the discharge pipe and the inner surface of the discharge pipe accommodation hole It features.
- the first partition wall surrounds the discharge pipe receiving hole and protrudes on an upper surface of the first partition wall. It further comprises a protruding jaw, wherein the connecting member is located on the outer surface of the discharge pipe and the discharge pipe receiving hole on the inner surface to seal the discharge pipe receiving hole not occupied by the discharge pipe, and on one side of the sealing portion Protruding to include a support for supporting the 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. It features.
- the body is a first partition wall detachably coupled to the lower side of the discharge pipe, and the first It is formed on the upper side of the partition wall and further comprises a second barrier rib coupled to the upper side of the discharge pipe, the second partition wall includes a ballast inlet for allowing the ballast water to flow into the interior of the filter, the discharge pipe is outside Including a protruding coupling piece protruding from the upper side, the upper side of the discharge pipe is accommodated in the ballast inlet hole, characterized in that 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. It is done.
- the automatic washing unit further includes a suction unit for sucking the foreign matter attached to the filter,
- the suction part has a stopper on one side of the core which is connected to a suction rod that sucks the foreign matter attached to the filter and serves as a rotating shaft for rotating the suction rod, and when the stopper contacts the body, movement of the lower part of the core is performed.
- the suction rod is prevented from being damaged by hitting the body.
- the automatic washing unit has a discharge unit having a discharge pipe that is a discharge passage of the foreign matter removed from the filter
- the body includes a first partition wall connected to a lower side of the discharge pipe and a lower surface formed between the first partition wall and a lower surface of the body to communicate with the discharge pipe to temporarily remove foreign substances removed from the filter.
- a backwashing chamber accommodated in it can be formed so that the length of the discharge pipe is short and not bent is characterized in that it can prevent the discharge pipe is blocked.
- a multi-cage type ballast water filtration device for automatically controlling simultaneous backwashing is connected to the lower surface of the body and communicates with the backwashing chamber to transfer foreign substances to the outside of the body.
- the automatic simultaneous backwashing control method stores the filtered ballast water using a first pressure sensor that measures the pressure inside the body.
- a first pressure measuring step of measuring a pressure inside the body A second pressure measuring step of individually measuring a pressure inside a filter of each filtration unit in which the second pressure sensor is installed by using a second pressure sensor installed in some filtration units of the plurality of filtration units;
- Simultaneous back washing step of driving all the automatic washing part characterized in that to improve the back washing efficiency of the filter.
- the second pressure sensor has a high pressure inside the filter of the filtration unit when the filtration unit is used. Selecting a predetermined number of filtration filters in order is characterized in that only installed on the selected filtration unit.
- the present invention can obtain the following effects by the configuration, combination, and use relationship described above with the present embodiment.
- the present invention has the effect of improving the filtration efficiency of the filter by backwashing 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.
- the present invention even if the automatic washing unit operates all at the same time a large amount of foreign matter and backwash water is discharged through the discharge pipe, the foreign matter and backwash water is collected in the backwash chamber occupying a relatively large area, the movement of the foreign matter and backwash water There is an effect to prevent the back pressure is not easily formed.
- the present invention is that the discharge pipe is detachably connected to the body is applied to each of the paint to prevent corrosion to the inside of the body and the discharge pipe, and then the breakage of the paint does not occur even if the discharge pipe is connected to the inside of the body,
- the painting can be easily performed to prevent corrosion of the body, thereby reducing the time and cost required to manufacture the filtration device.
- the present invention is the discharge pipe for discharging the foreign matter and the backwash water is communicated to the backwashing chamber installed in the inner bottom of the body and the backwashing body communicating with the body after the foreign matter and backwashing water gathered in the backwashing chamber inside the body gathered in the backwashing chamber Since it is discharged to the outside through the line, the configuration to remove and discharge foreign matter is located inside the body except the backwashing line, the external configuration of the body can be simplified and reduced in size, the installation, maintenance of the filtration device It is easy to reduce the area occupied by the filtration device has an effect that can efficiently operate the space of the 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 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 .
- 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
Description
Claims (14)
- 밸러스트수가 유출입되는 바디 내에 다수의 여과유닛이 패키지화되어 연결된 멀티케이지 타입 밸러스트수 여과장치에 있어서,상기 여과유닛은 상기 바디 내부를 흐르는 밸러스트수를 여과시키는 필터와, 상기 필터에 부착되는 이물질을 역세척하는 자동세척부를 포함하며,상기 멀티케이지 타입 밸러스트수 여과장치는 상기 필터의 외부 상기 바디 내부의 압력을 측정하는 제1압력센서와, 상기 다수의 여과유닛 중 일부의 여과유닛에 설치되어 각 여과유닛의 필터 내부의 압력을 측정하는 제2압력센서와, 상기 제2압력센서에서 측정된 값과 상기 제1압력센서에서 측정된 값의 차이가 일정 범위를 초과하는 경우 상기 다수의 여과유닛의 자동세척부 모두를 구동시키는 제어부를 추가로 포함하는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제2항에 있어서, 상기 제2압력센서는여과장치의 사용시 여과유닛의 필터 내부의 압력이 높은 순서대로 일정 개수의 여과여닛을 선택하여 선택된 여과유닛에만 설치되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제3항에 있어서, 상기 제2압력센서는2 내지 3개의 여과유닛에 각각 설치되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제1항에 있어서, 상기 자동세척부는상기 필터에서 제거된 이물질의 배출통로가 되는 배출관을 가지는 배출부를 포함하고, 상기 배출관은 상기 바디의 내부에 탈착가능하게 부착되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제4항에 있어서,상기 바디는 상기 배출관의 하측과 탈착식으로 결합하는 제1격벽과, 상기 제1격벽의 상측에 형성되며 상기 배출관의 상측과 탈착식으로 결합하는 제2격벽을 포함하며,상기 제1격벽은 상기 배출관의 하측이 삽입되는 배출관수용공을 포함하고, 상기 배출부는 상기 배출관의 하측의 외면에 끼워져 상기 배출관을 에워싸며 상기 배출관수용공에 삽입되어 상기 배출관을 상기 제1격벽에 고정하며 상기 배출관의 외측면과 상기 배출관수용공의 내면 사이의 틈을 밀폐하는 제2연결부재를 포함하는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제5항에 있어서,상기 제1격벽은 상기 배출관수용공을 에워싸며 상기 제1격벽의 상면에 돌출되는 돌출턱을 추가로 포함하며,상기 제2연결부재는 상기 배출관의 외면과 상기 배출관수용공에 내면에 위치하여 상기 배출관에 의해 점유되지 않은 상기 배출관수용공을 밀폐하는 밀폐부와, 상기 밀폐부의 일측에 돌출되어 상기 돌출턱의 상면에 접하여 상기 제2연결부재를 지지하는 지지부를 포함하는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제6항에 있어서,상기 밀폐부와 배출관 사이와, 상기 돌출턱과 지지부 사이에는 오링이 설치되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제4항에 있어서,상기 바디는 상기 배출관의 하측과 탈착식으로 결합하는 제1격벽과, 상기 제1격벽의 상측에 형성되며 상기 배출관의 상측과 탈칙식으로 결합하는 제2격벽을 포함하며,상기 제2격벽은 필터의 내부로 밸러스트수가 유입도록 하는 밸러스트수유입공을 포함하고, 상기 배출관은 외측면 상측에서 돌출되는 돌출결합편을 포함하여, 상기 배출관의 상측이 상기 밸러스트수유입공에 수용되며 상기 돌출결합편이 상기 제2격벽의 상면에 안착되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제8항에 있어서,상기 돌출결합편과 상기 제2격벽은 체결수단에 의해 탈착식으로 연결되는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제4항에 있어서,상기 자동세척부는 상기 필터에 부착된 이물질을 흡입하는 흡입부를 추가로 포함하며, 상기 흡입부는 상기 필터에 부착된 이물질을 흡입하는 흡입봉이 연결되어 흡입봉을 회전시키는 회전축으로 작용하는 코어의 일측에 스토퍼를 구비하고, 상기 스토퍼가 바디에 접촉하는 경우 상기 코어의 하측으로의 이동을 제한하여 상기 흡입봉이 바디에 부딪혀 손상되는 것을 방지할 수 있는 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제1항에 있어서,상기 자동세척부는 상기 필터에서 제거된 이물질의 배출통로가 되는 배출관을 가지는 배출부를 포함하고,상기 바디는 상기 배출관의 하측에 연결되는 제1격벽과, 상기 제1격벽과 상기 바디의 최하부면을 형성하는 하부면 사이에 형성되어 상기 배출관과 연통되어 상기 필터에서 제거된 이물질을 일시적으로 수용하는 역세후실을 포함하여, 상기 배출관의 길이가 짧고 절곡되지 않도록 형성할 수 있어 상기 배출관이 막히는 것을 방지할 수 있는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 제11항에 있어서, 상기 멀티케이지 타입 밸러스트수 여과장치는상기 바디의 하부면에 연결되며 상기 역세후실에 연통되어 이물질을 상기 바디의 외부로 배출하는 역세척라인을 추가로 포함하여, 선박 내 공간효율성을 높이고 간단한 구조를 이룰 수 있는 것을 특징으로 하는 동시 역세척을 자동제어하는 멀티케이지 타입 밸러스트수 여과장치.
- 밸러스트수가 유출입되는 바디 내에 다수의 여과유닛이 패키지화되어 연결된 멀티케이지 타입 밸러스트수 여과장치에서의 여과과정에 있어서,바디 내부의 압력을 측정하는 제1압력센서를 이용하여 여과처리된 밸러스트수가 저장된 바디 내부의 압력을 측정하는 제1압력측정단계와;상기 다수의 여과유닛 중 일부의 여과유닛에 설치되는 제2압력센서를 이용하여 상기 제2압력센서가 설치된 각 여과유닛의 필터 내부의 압력을 개별적으로 측정하는 제2압력측정단계와;상기 제2압력측정단계에서 측정된 각 여과유닛의 필터 내부의 압력과 상기 제1압력측정단계에서 측정된 바디 내부의 압력을 비교하여 일정 범위를 초과하는 차압이 발생하는 경우 상기 다수의 여과유닛의 모든 자동세척부를 구동시키는 동시 역세척단계;를 포함하여, 상기 필터의 역세척효율을 향상시킬 수 있는 것을 특징으로 하는 멀티케이지 타입 밸러스트수 여과장치에서의 동시 역세척 자동제어방법.
- 제13항에 있어서, 상기 제2압력센서는여과장치의 사용시 높은 필터 내부의 압력을 가지는 여과유닛순으로 일정 개의 여과유닛을 선택하고, 선택된 상기 여과유닛에만 설치되는 것을 특징으로 하는 멀티케이지 타입 밸러스트수 여과장치에서의 동시 역세척 자동제어방법.
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CN201280075183.2A CN104602781B (zh) | 2012-08-17 | 2012-09-06 | 对同时反洗进行自动控制的多笼式压载水过滤装置及其方法 |
EP12882912.4A EP2886180B1 (en) | 2012-08-17 | 2012-09-06 | Multicage-type apparatus for filtering ballast water for automatically controlling simultaneous reverse cleaning and method for same |
US14/421,201 US10632403B2 (en) | 2012-08-17 | 2012-09-06 | Multicage-type apparatus for filtering ballast water for automatically controlling simultaneous reverse cleaning and method for same |
JP2015525309A JP5923664B2 (ja) | 2012-08-17 | 2012-09-06 | 同時逆洗浄を自動制御するマルチケージ型バラスト水濾過装置およびその方法 |
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EP2886180A1 (en) | 2015-06-24 |
US20160067636A1 (en) | 2016-03-10 |
JP5923664B2 (ja) | 2016-05-24 |
JP2015524744A (ja) | 2015-08-27 |
CN104602781A (zh) | 2015-05-06 |
EP2886180B1 (en) | 2019-11-06 |
KR101394227B1 (ko) | 2014-05-27 |
KR20140023680A (ko) | 2014-02-27 |
CN104602781B (zh) | 2016-08-24 |
US10632403B2 (en) | 2020-04-28 |
EP2886180A4 (en) | 2016-06-15 |
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