CN102233943B - Ballast water treatment system - Google Patents
Ballast water treatment system Download PDFInfo
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- CN102233943B CN102233943B CN201110087834.7A CN201110087834A CN102233943B CN 102233943 B CN102233943 B CN 102233943B CN 201110087834 A CN201110087834 A CN 201110087834A CN 102233943 B CN102233943 B CN 102233943B
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- Prior art keywords
- ballast water
- ballast
- water treatment
- flow
- treatment plant
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- 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
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides the method for operation of a kind of ballast water treatment system and ballast water treatment system, the flow exported from ballast pump can always suppress below the processing capacity of ballast water treatment plant by it, thus can reliably eliminate or remove the hydrobiont or bacterium class etc. that are loaded in the ballast water of ballast tank.This ballast water treatment system has: ballast pump (12), and the ballast water introduced from sea water tank (11) outputs in ballast tank (2) by it; Flow control valve (13), it, by changing aperture, makes the flow of the ballast water exported from ballast pump (12) increase and decrease; Flow counter (14), it measures the flow of the ballast water by flow control valve (13); Ballast water treatment plant (15), it processes the ballast water by flow counter (14); And controller (17), it is based on the measured value measured by flow counter (14), the aperture of flow control valve (13) is controlled in specialized range, with the processing capacity making the flow of the ballast water being supplied to ballast water treatment plant (15) be no more than ballast water treatment plant (15).
Description
Technical field
The present invention relates to ballast water treatment system, it can carry out hydrobiont in the ballast water of the ballast tank by being loaded into boats and ships or bacterium class etc. and eliminate or the process of removing, and harmful effect is brought in the marine site can not discharged the ballast water after processed.
Background technology
Boats and ships for transporting ore or crude oil etc. are provided with ballast tank, by storing seawater or fresh water isoballast water in this ballast tank, carrying out the ability of posture control of hull and guaranteeing stability.When clean ship etc., in ballast tank, import ballast water, and along with the carrying out of freighting, discharge ballast water from ballast tank, therefore, ballast water is being discharged from different region of fetching water.Therefore, hydrobiont or bacterium class etc. together shift with ballast water, likely cause these hydrobionts or bacterium class etc. to settle down in a new environment, according to different situations, probably can destroy the ecosystem or bring impact to economic activities such as marine industry.And the pathogen together shifted with ballast water also probably can bring direct impact to health.
So in the international convention involved by the Ballast Management of boats and ships, in February, 2004 have passed " ballast water for ship and sediment monitoring and management international convention ", this pact specifies obligated lift-launch ballast water treatment plant.International Maritime Organization (IMO) (International Maritime Organization:IMO) determined Ballast Management standard is as follows.
Minimum size is that the biology of more than 50 μm is at 1m
3the bion number of middle existence is less than 10.
Minimum size is less than 50 μm and be that the biology of more than the 10 μm bion number of surviving in 1ml is less than 10.
The generation cholera (O-1, O-139) of toxin is less than 1cfu/100 μm.
Coliform is less than 250cfu/100ml.
Enterococcus is less than 100cfu/100ml.
In order to meet standard as above, the various ballast water treatment technology had for purifying ballast water are proposed.Such as, in the past, carrying out coarse filtration (physical treatment) utilizing filter and add the sterilization mode that bactericidal agent carries out sterilization afterwards and become main flow, in patent documentation 1, by adding chlorine class medicament, sterilization being carried out to ballast water.In addition, in patent documentation 2, utilize hydrogen peroxide to carry out sterilization to ballast water, in patent documentation 3, utilize ozone to carry out sterilization to ballast water.
In recent years, substitute sterilization mode, also propose there is agglomeration separation mode.Such as, in patent documentation 4, by adding medicament and magnetic powder in ballast water, the hydrobiont as removing object is made to be involved in and to form magnetic substance block, and use magnet and filter to reclaim this magnetic substance block, thus the hydrobiont as removing object is separated removing.
Patent documentation 1: Japanese Unexamined Patent Publication 4-322788 publication
Patent documentation 2: Japanese Unexamined Patent Publication 5-910 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2006-212494 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2005-218887 publication
At this, in existing ballast water treatment system, relative to the power (rated flow) of ballast pump, the selected ballast water treatment plant with identical with it or larger than it power (installed capacity).
But general ballast pump is centrifugal pump, from the viewpoint of centrifugal pump characteristics, cause the processing capacity flowing exceed ballast water treatment plant exported from ballast pump sometimes.That is, as shown in Figure 5, the processing capacity of ballast water treatment plant is such as Qm
3during/h, according to having and Qm
3the centrifugal pump of the power that/h is corresponding is as ballast pump, then because of based on according to the length of pipe of ballast tank is the longest and pipe resistance is maximum time required discharge pressure and the minimum flow rate obtained of head of water determine the power of ballast pump, therefore, along with the length of pipe to ballast tank shortens and pipe resistance reduction, operation point moves to B along pump performance curve from A, as shown in Figure 6, the processing capacity flowing exceed ballast water treatment plant exported from ballast pump is caused sometimes.
In addition, usually, comprise ballast pump for subsequent use, boats and ships are equipped with two ballast pumps mostly, and it is in fact also possible that two ballast pumps operate simultaneously.When operating at the same time, the direction that the pump performance curve shown in Fig. 5 increases to flow is moved, thus the flow exported from ballast pump is increased further.
In addition, Fig. 6 represents that at use power be 850m
3the centrifugal pump of/h to length of pipe become the shortest and pipe resistance becomes minimum ballast tank (being positioned at by the ballast tank of the hull bottom of stern-side (side, Machine Room)) water filling time, from the flow of ballast water (seawater) and the relation between the time of the actual output of centrifugal pump.
Summary of the invention
The present invention makes in view of above-mentioned condition, its object is to provide a kind of ballast water treatment system, the flow exported from ballast pump can always suppress below the processing capacity of ballast water treatment plant by this ballast water treatment system, thus the hydrobiont be loaded in the ballast water of ballast tank or bacterium class etc. reliably can be eliminated or removing.
The present invention have employed following scheme to solve above-mentioned problem.
Ballast water treatment system of the present invention has: ballast pump, and the ballast water introduced from sea water tank outputs in ballast tank by it; Flow control valve, it, by changing aperture, makes the flow of the ballast water exported from described ballast pump increase and decrease; Flow counter, it measures the flow of the ballast water by described flow control valve; Ballast water treatment plant, it processes the ballast water by described flow counter; And controller, the aperture of described flow control valve controls in specialized range based on the measured value measured by described flow counter by it, with the processing capacity making the flow of the ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant.
In the method for operation of ballast water treatment system of the present invention, this ballast water treatment system has: the ballast water introduced from sea water tank is outputted to the ballast pump in ballast tank, by changing the flow control valve that aperture makes the flow of the ballast water exported from described ballast pump increase and decrease, to the flow counter that the flow of the ballast water by described flow control valve measures, and to the ballast water treatment plant that the ballast water by described flow counter processes, the feature of described method of operation is, based on the measured value measured by described flow counter, the aperture of described flow control valve is controlled in specialized range, with the processing capacity making the flow of the ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant.
According to the method for operation of ballast water treatment system of the present invention and ballast water treatment system, the flow being supplied to the ballast water of ballast water treatment plant is adjusted to the processing capacity making it be no more than ballast water treatment plant.
Thereby, it is possible to the flow exported from ballast pump is always suppressed below the processing capacity of ballast water treatment plant, thus the hydrobiont be loaded in the ballast water of ballast tank or bacterium class etc. reliably can be eliminated or removing.
In above-mentioned ballast water treatment system, be more preferably, when be supplied to described ballast water treatment plant ballast water flow exceed predetermined threshold value time, described flow control valve is fully closed.
In the method for operation of above-mentioned ballast water treatment system, be more preferably, when be supplied to described ballast water treatment plant ballast water flow exceed predetermined threshold value time, described flow control valve is closed completely.
According to the method for operation of ballast water treatment system as above and ballast water treatment system, when be supplied to ballast water treatment plant ballast water flow exceed predetermined threshold value time, stop to ballast water treatment plant supply ballast water.
Thus, the ballast water exceeding the processing capacity of ballast water treatment plant to ballast water treatment plant supply can be prevented, thus can prevent the ballast water not being ballasted water treatment plant process from injecting to ballast tank.
Ballast water treatment system of the present invention has: ballast pump, and the ballast water introduced from sea water tank outputs in ballast tank by it; Flow counter, it measures the flow of the ballast water by described flow control valve; Ballast water treatment plant, it processes the ballast water by described flow counter; And controller, the rotating speed of described ballast pump controls in specialized range based on the measured value measured by described flow counter by it, with the processing capacity making the flow of the ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant.
In the method for operation of ballast water treatment system of the present invention, this ballast water treatment system has: the ballast water introduced from sea water tank is outputted to the ballast pump in ballast tank, to the flow counter that the flow of the ballast water by described flow control valve measures, and to the ballast water treatment plant that the ballast water by described flow counter processes, described method of operation is based on the measured value measured by described flow counter, the rotating speed of described ballast pump is controlled in specialized range, with the processing capacity making the flow of the ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant.
According to the method for operation of ballast water treatment system of the present invention and ballast water treatment system, the flow being supplied to the ballast water of ballast water treatment plant is adjusted to the processing capacity making it be no more than ballast water treatment plant.
Thereby, it is possible to the flow exported from ballast pump is always suppressed below the processing capacity of ballast water treatment plant, thus the hydrobiont be loaded in the ballast water of ballast tank or bacterium class etc. reliably can be eliminated or removing.
In above-mentioned ballast water treatment system, be more preferably, between described ballast pump and described flow counter, there is emergency shutoff valve, when be supplied to described ballast water treatment plant ballast water flow exceed predetermined threshold value time, utilize described controller, described emergency shutoff valve is closed completely.
In the method for operation of above-mentioned ballast water treatment system, be more preferably, when be supplied to described ballast water treatment plant ballast water flow exceed predetermined threshold value time, the emergency shutoff valve be arranged between described ballast pump and described flow counter is closed completely.
According to the method for operation of ballast water treatment system as above and ballast water treatment system, when be supplied to the ballast water in ballast water treatment plant flow exceed predetermined threshold value time, stop to ballast water treatment plant supply ballast water.
Thus, the ballast water exceeding the processing capacity of ballast water treatment plant to ballast water treatment plant supply can be prevented, thus can prevent the ballast water not being ballasted water treatment plant process from injecting to ballast tank.
In above-mentioned ballast water treatment system, be more preferably, there is the mutual interlocking gear after described ballast water treatment plant is in operative condition, described ballast pump being operated.
In the method for operation of above-mentioned ballast water treatment system, be more preferably, be in the state in running at described ballast water treatment plant under, described ballast pump operated.
According to the method for operation of ballast water treatment system as above and ballast water treatment system, ballast pump operates always be in the state in running at ballast water treatment plant under.
Thus, running under the state that ballast pump can be prevented to be in stopping at ballast water treatment plant and operating while can ballast pump being prevented, thus the maloperation of operating personnel can be prevented trouble before it happens.
Boats and ships of the present invention are equipped with above-mentioned any one ballast water treatment system.
According to boats and ships of the present invention, the flow being supplied to the ballast water of ballast water treatment plant is adjusted to the processing capacity making it be no more than ballast water treatment plant.
Thereby, it is possible to the flow exported from ballast pump is always suppressed below the processing capacity of ballast water treatment plant, thus the hydrobiont be loaded in the ballast water of ballast tank or bacterium class etc. reliably can be eliminated or removing.
According to ballast water treatment system of the present invention, there is following effect: the flow exported from ballast pump always can be suppressed below the processing capacity of ballast water treatment plant, thus the hydrobiont be loaded in the ballast water of ballast tank or bacterium class etc. reliably can be eliminated or removing.
Accompanying drawing explanation
Fig. 1 is the figure of the boats and ships seeing the ballast water treatment system being equipped with first embodiment of the invention from top, is the figure of the schematic arrangement of the ballast water treatment system representing first embodiment of the invention.
The main portion of Fig. 1 is amplified the figure represented by Fig. 2.
Fig. 3 is the diagram of circuit for illustration of the sequence of operation of the ballast water treatment system of first embodiment of the invention and the control sequence of controller.
Fig. 4 is the figure of the schematic arrangement of the ballast water treatment system representing second embodiment of the invention, is the figure same with Fig. 2.
Fig. 5 is the chart for illustration of existing issue.
Fig. 6 is the chart for illustration of existing issue.
Description of reference numerals
1 boats and ships
2 ballast tanks
10 ballast water treatment systems
11 sea water tanks
12 ballast pumps
13 flow control valves
13 ' emergency shutoff valve
14 flow counter
15 ballast water treatment plants
17 controllers
40 ballast water treatment systems
42 bypass discs (flow control valve)
Detailed description of the invention
(the first embodiment)
Below, the ballast water treatment system of first embodiment of the invention is described referring to figs. 1 through Fig. 3.Fig. 1 is the figure of the boats and ships of the ballast water treatment system being equipped with present embodiment seen from above, is the figure of the schematic arrangement of the ballast water treatment system representing present embodiment.The main portion of Fig. 1 is amplified the figure represented by Fig. 2.Fig. 3 is the diagram of circuit for illustration of the sequence of operation of the ballast water treatment system of present embodiment and the control sequence of controller.
Ballast water treatment system of the present invention is equipped on boats and ships (box ship, LNG ship, bunker boat etc.) 1 system operated possessing multiple (be 23 in present embodiment) ballast tank 2 at bow portion, hull bottom or board.
The ballast water treatment system 10 of present embodiment has: sea water tank (sea suction) 11, two ballast pumps 12, flow regulating (control) valve 13, flow counter 14, ballast water treatment plant 15, ballast pipeline (note drain hose) 16, controller 17.
In addition, ballast pump 12, flow control valve 13, flow counter 14 and ballast water treatment plant 15 are configured in the Machine Room 3 of boats and ships 1.
Ballast pipeline 16 has: supervisor 16a, and it extends towards the ballast tank 2 arranged in bow portion along ship cephalocaudal direction from quarter of a ship; Arm 16b, its from this supervisor 16a branch and along beam direction (direction orthogonal with ship cephalocaudal direction) towards alow or the ballast tank 2 that arranges of board or sea water tank 11 extend.
Sea water tank 11 is respectively arranged with one at the hull bottom of larboard hull bottom and starboard side, from the seawater that sea water tank 11 is introduced, flows into an end (in FIG for being positioned at the end of the stern-side in left side) of supervisor 16a via arm 16b.
Ballast pump 12 is respectively connected with one respectively in two supervisor 16a, and described two supervisor 16a upstream sides be configured between supervisor one end of 16a and flow control valve 13 are branched off into two and be formed as two streams and converge in its downstream and again form a stream.
Flow control valve 13 is that the control signal (command signal) transported based on self-controller 17 makes its aperture in the scope (specialized range) of 30 ° ~ 90 °, such as automatically be conditioned the electronic butterfly valve of (being opened and closed), and this flow control valve 13 is connected with the midway being responsible for the supervisor 16a between point 18 and flow counter 14 that 16a converges at two that are connected with ballast pump 12.
In addition, refer to the situation of buttoned-up status in this said aperture 0 °, aperture 90 ° refers to the situation of full open position.
Flow counter 14 is the instruments (such as electromagnetic flow meter) for measuring the flow flowing into the ballast water (seawater) of ballast water treatment plant 15 from flow control valve 13, and the data measured by flow counter 14 (flow evaluation q (t): measured value) are transfused to controller 17 and are processed in controller 17.
Ballast water treatment plant 15 is the devices using filtration, electrolysis, ozone sterilization, UV irradiation, condensation separation etc. the ballast water being injected into (being supplied to) ballast tank 2 to be processed to (such as the hydrobiont in ballast water or bacterium class etc. being eliminated or removing), and it is connected with the supervisor 16a being positioned at flow counter 14 downstream.
In the other end (being the end of the bow side on the right side of being positioned in FIG) of the midway of arm 16b extended towards each ballast tank 2 from supervisor 16a and the supervisor 16a be connected with the ballast tank 2 being arranged at bow portion, be connected to automatic on/off valve 19.When injecting ballast water in the ballast tank 2 of correspondence, or self-corresponding ballast tank 2 is when discharging ballast water, these automatic on/off valves 19 are fully opened, when in addition, (when namely not injecting ballast water in the ballast tank 2 of correspondence, or when ballast water discharged by not self-corresponding ballast tank 2) is fully closed.
In the arm 16b that ballast tank 2 extends, be positioned at and lean on the arm 16b of stern-side (upstream side) and supervisor 16a engage and form junction 20 most, in the midway of the supervisor 16a between this junction 20 and ballast water treatment plant 15, be connected with one end of return pipeline (first row water pipe) 21, in the midway of the supervisor 16a between an end and branch point 22 of supervisor 16a, be connected with the other end of return pipeline 21, this branch point 22 is the branch point being branched off into the two supervisor 16a being connected with ballast pump 12 in the stern-side (downstream) of described supervisor 16a mono-end.In addition, in the end (near the branch point 23 of the 16a branch of supervisor certainly of return pipeline 21) being positioned at return pipeline 21 upstream side, automatic on/off valve 24 is connected with.This automatic on/off valve 24 is fully opened when discharging ballast water from ballast tank 2, and in addition (not when ballast water discharged by ballast tank 2) is fully closed.
In the midway of the supervisor 16a between ballast water treatment plant 15 and branch point 23, be connected with the one end of the outboard delivery piping (second row water pipe) 25 extended along beam direction towards larboard board outside plate, the other end of delivery piping 25 overboard, is provided with the overboard vent 26 towards outboard opening.The midway of delivery piping 25 overboard, starts to be provided with automatic on/off valve 27, manual open and close valve 28 from upstream side.Automatic on/off valve 27 is fully opened when discharging ballast water from ballast tank 2, and in addition (not when ballast water discharged by ballast tank 2) is fully closed.On the other hand, manual open and close valve 28 is always fully opened, and when automatic on/off valve 27 can not be closed completely because of fault etc., this manual open and close valve 28 is fully closed.
Be connected with outboard delivery piping 25 one end branch point 29 and be connected with return pipeline 21 one end branch point 23 between the midway of supervisor 16a, be connected with automatic on/off valve 30.This automatic on/off valve 30 is fully opened when injecting ballast water in ballast tank 2, and in addition (when not injecting ballast water in ballast tank 2) is fully closed.
In the midway of the supervisor 16a between branch point 22 and ballast pump 12, be connected to automatic on/off valve (suction valve) 31.Automatic on/off valve 31 is fully opened when injecting ballast water in ballast tank 2 or when discharging ballast water from ballast tank 2, and in addition when ballast water (namely do not inject in ballast tank 2 or not when ballast water discharged by ballast tank 2) is fully closed.
In addition, automatic on/off valve 19,24,27,30,31 be configured to respectively can by being configured at operator platform, the not shown control panel (control panel) of Machine Room or engine control room carries out remote control.
Controller 17 is the control setups according to the diagram of circuit shown in Fig. 3, the control signal of the aperture being used for control flow check adjustable valve 13 being outputted to flow control valve 13.In addition, the corresponding each ballast tank 2 of opening and closing condition (state) that preset, that be configured at flow control valve 13, automatic on/off valve 19,30,31 between ballast pump 12 to ballast tank 2 preserves (storage) in this controller 17 as data bank.Then, selected ballast pump 12 and carry out the ballast tank 2 of water filling, when not conforming to the opening and closing condition of having preserved in a database in the flow control valve 13 of configuration between by the ballast pump 12 selected to this ballast tank 2, the opening and closing condition of automatic on/off valve 19,30,31 and the opening and closing condition of other automatic on/off valves 19,31, do not enter following step.Namely, as long as when from by the ballast pump 12 selected to when being conformed to the opening and closing condition of having preserved in a database by the flow control valve 13 of configuration between the ballast tank 2 selected, the opening and closing condition of automatic on/off valve 19,30,31 and the opening and closing condition of other automatic on/off valves 19,31, can following step be entered.
Below, the diagram of circuit shown in instruction diagram 3.
First, the selected ballast pump 12 that will use and the ballast tank 2 (determining: input) that will carry out water filling.
Then, to be configured at from by the ballast pump 12 selected to by the flow control valve 13 between the ballast tank 2 selected, automatic on/off valve 19, 30, the opening and closing condition of 31, and other automatic on/off valves 19, whether the opening and closing condition of 31 conforms to the opening and closing condition of having preserved in a database and judges, if opening and closing condition does not conform to, then to the open and-shut mode (flow control valve 13 becomes closedown (blocking) state completely) of flow control valve 13, each automatic on/off valve 19, 30, the open and-shut mode of 31 confirms, and correct the open and-shut mode of (correction) valve, conform to the opening and closing condition be stored in data bank to make it.
Next, the source switch being arranged at the ballast water treatment plant 15 of control panel is opened (connection), ballast water treatment plant 15 is carried out operate (starting).
In addition, do not conform to by flow control valve 13, the opening and closing condition of automatic on/off valve 19,30,31 and the opening and closing condition of other automatic on/off valves 19,31 between the ballast tank 2 selected with the opening and closing condition be stored in data bank from by the ballast pump 12 selected if be configured at, then the source switch of ballast water treatment plant 15 is not opened (access failure).
Then, by be arranged at control panel, opened switch open (connection) by the automatic on/off valve (suction valve) 31 of ballast pump 12 side selected, automatic on/off valve 31 is opened completely.
In addition, if the source switch of ballast water treatment plant 15 is not opened (access failure), then do not opened (access failure) by the switch of opening of the automatic on/off valve 31 of ballast pump 12 side selected.
Next, by be arranged at control panel, opened (connection) by the operating switches of ballast pump 12 selected, then make to be operated (starting) by the ballast pump 12 selected.
In addition, if do not opened (access failure) by the switch of opening of the automatic on/off valve 31 of ballast pump 12 side selected, then do not opened (access failure) by the operating switches of the ballast pump 12 selected.
And, if operated by the ballast pump 12 selected, then controller 17 exports to flow control valve 13 flow control valve 13 being in buttoned-up status is opened control signal that aperture is 30 ° (minimum value: minimum aperture), starts to by ballast pump 12 water filling selected.
Then, controller 17 is to the data (flow evaluation q (t)) transported from flow counter 14 moment (successively) and the lower limit Ql preserved in advance in a database, the higher limit Qh larger than lower limit Ql, maxim (threshold value) QM larger than higher limit Qh compares, if data (flow evaluation q (t)) are larger than maxim QM, then this controller exports to flow control valve 13 and makes the aperture of flow control valve 13 be the control signal of 0 °, thus, flow control valve 13 becomes closes (blocking) state completely, stop to by ballast tank 2 water filling selected.
In addition, controller 17 is to the data transported from flow counter 14 moment (flow evaluation q (t)) and the lower limit Ql preserved in advance in a database, higher limit Qh, maxim QM compares, if data (flow evaluation q (t)) are less than lower limit Ql, then this controller exports to flow control valve 13 and makes the data (flow evaluation q (t)) measured by flow counter 14 reach the control signal of more than lower limit Ql, and when data (flow evaluation q (t)) are larger than higher limit Qh, this controller exports to flow control valve 13 and makes the data (flow evaluation q (t)) measured by flow counter 14 reach the control signal of below higher limit Qh, more than lower limit Ql is reached to make the data (flow evaluation q (t)) measured by flow counter 14, below higher limit Qh.
If only had one by the ballast tank 2 selected and completed to this ballast tank 2 water filling, then utilize the closing switch being arranged at control panel, the automatic on/off valve 19 arranged at the arm 16b leading to this ballast tank 2 is made to be in buttoned-up status, and utilize the halt switch being arranged at control panel that ballast pump 12 is stopped, the closing switch being arranged at control panel is utilized to make automatic on/off valve 31 be in buttoned-up status, and disconnect the source switch being arranged at control panel to make ballast water treatment plant 15 stop, thus terminate the water injection work to this ballast tank 2.
On the other hand, when being two or more by the ballast tank 2 selected and switching the ballast tank 2 of water filling object, or be initially one by the ballast tank 2 selected but in this ballast tank 2 the injecting process for water filling object being changed to other ballast tanks 2 time etc., controller 17 exports to flow control valve 13 and makes the aperture of the flow control valve 13 being in 30 ° ~ 90 ° scopes (being conditioned 30 ° ~ 90 ° scopes) be the control signal of 30 °, and operating (adjustment) to flow control valve 13 becomes minimum aperture to make the aperture of flow control valve 13.
Next, change the open and-shut mode of valve, to make to be configured at the opening and closing condition of automatic on/off valve 19 between the ballast pump 12 of current running to the ballast tank 2 after changing and the opening and closing condition of other automatic on/off valves 19 conforms to the opening and closing condition of preserving in a database, and start to ballast tank 2 water filling after change.
Then, controller 17 is to the data (flow evaluation q (t)) transported from flow counter 14 moment (successively) and the lower limit Ql preserved in advance in a database, the higher limit Qh larger than lower limit Ql, maxim (threshold value) QM larger than higher limit Qh compares, if data (flow evaluation q (t)) are larger than maxim QM, then this controller exports to flow control valve 13 and makes the aperture of flow control valve 13 be the control signal of 0 °, thus, flow control valve 13 becomes closes (blocking) state completely, stop to by ballast tank 2 water filling selected.
In addition, controller 17 is to the data transported from flow counter 14 moment (flow evaluation q (t)) and the lower limit Ql preserved in advance in a database, higher limit Qh, maxim QM compares, if data (flow evaluation q (t)) are less than lower limit Ql, then this controller exports to flow control valve 13 and makes the data (flow evaluation q (t)) measured by flow counter 14 reach the control signal of more than lower limit Ql, and when data (flow evaluation q (t)) are larger than higher limit Qh, this controller exports to flow control valve 13 and makes the data (flow evaluation q (t)) measured by flow counter 14 reach the control signal of below higher limit Qh, more than lower limit Ql is reached to make the data (flow evaluation q (t)) measured by flow counter 14, below higher limit Qh.
Below, when the ballast tank 2 of each switching water filling object, repeatedly perform same order.
Ballast water treatment system 10 according to the present embodiment, the flow being fed into the ballast water in ballast water treatment plant 15 is adjusted to the processing capacity making it be no more than ballast water treatment plant 15.
Thus, can the flow exported from ballast pump 12 always be suppressed below the processing capacity of ballast water treatment plant 15, thus the hydrobiont can reliably eliminated or remove in the ballast water being loaded into ballast tank 2 or bacterium class etc.
In addition, ballast water treatment system 10 according to the present embodiment, when be fed into the ballast water in ballast water treatment plant 15 flow exceed predetermined maxim (threshold value) QM time, stop supplying ballast water to ballast water treatment plant 15.
Thus, supply can be prevented in ballast water treatment plant 15 to exceed the ballast water of the processing capacity of ballast water treatment plant 15, thus can prevent from not being ballasted the ballast water that water treatment plant 15 processed and inject to ballast tank 2.
Further, ballast water treatment system 10 according to the present embodiment, ballast pump 12 operates always be in the state in running at ballast water treatment plant 15 under.
Thus, running under the state that ballast pump 12 can be prevented to be in stopping at ballast water treatment plant 15 and cause not processed ballast water to inject to ballast tank 2, thus the maloperation of operating personnel can be prevented trouble before it happens.
(the second embodiment)
Second embodiment of ballast water treatment system of the present invention is described with reference to Fig. 4.Fig. 4 is the figure of the schematic arrangement of the ballast water treatment system representing present embodiment, is the figure identical with Fig. 2.
The ballast water treatment system 40 of present embodiment is with the difference of the ballast water treatment system of above-mentioned first embodiment, substitutes flow control valve 13 and has emergency shutoff valve 13 ', and, possess by passage 41 and bypass disc 42.For other inscapes, due to identical with the inscape of above-mentioned first embodiment, therefore, omit the explanation of these inscapes at this.
In addition, for the parts identical with above-mentioned first embodiment, same Reference numeral is marked.
Emergency shutoff valve 13 ' makes its aperture be the valve of 0 ° when the data measured by flow counter 14 (flow evaluation q (t)) are larger than maxim QM according to the control of controller 17, by making the aperture of emergency shutoff valve 13 ' be 0 ° (closing (blocking) state completely), thus stop to by ballast tank 2 water filling selected.
One end (upstream extremity) of by passage 41 is connected with the midway of the supervisor 16a be positioned between point 18 and emergency shutoff valve 13 ', the other end (downstream end) of by passage 41 is connected with the midway of the supervisor 16a between junction 43 and branch point 22, and this junction 43 is the other end of return pipeline 21 and the junction of supervisor 16a joint.
Bypass disc (flow control valve) 42 is that the control signal (command signal) transported based on self-controller 17 makes its aperture such as automatically regulate the electronic butterfly valve of (opening and closing) 30 ° ~ 90 ° scopes, and this bypass disc is connected to the midway of by passage 41.
In addition, refer to buttoned-up status in this said aperture 0 °, aperture 90 ° refers to full open position.
And bypass disc 42, in the same manner as above-mentioned flow control valve 13, is controlled (operation) according to the diagram of circuit shown in Fig. 3.
The action effect of the ballast water treatment system 40 of present embodiment is identical with the action effect of above-mentioned first embodiment, therefore the description thereof will be omitted at this.
In addition, the present invention is not limited to above-mentioned embodiment, can carry out various change, distortion without departing from the scope of the gist of the present invention.
Such as, in the above-described embodiment, the flow of ballast water (seawater) is regulated by the aperture controlling (adjustment) flow control valve 13 or bypass disc 42, but (omission) flow control valve 13, by passage 41, bypass disc 42 also can not be set to seek the simplification of structure, and, by controlling to make the rotating speed of ballast pump 12 increase or reduce based on the rotating speed of phase inverter, the flow of ballast water (seawater) can be regulated with this.
Claims (18)
1. a ballast water treatment system, is characterized in that, has:
Supervisor, it connects sea water tank and the ballast tank of boats and ships;
Flow control valve, it is arranged on described supervisor, by changing aperture, makes the flow increase and decrease of the ballast water exported from ballast pump;
Flow counter, it is arranged on described supervisor and above measures the flow of described ballast water;
Ballast water treatment plant, it processes the described ballast water flowing through described supervisor;
Described ballast pump, it is centrifugal pump, makes the described ballast water introduced from described sea water tank take into account described ballast water treatment plant by described flow control valve, described flow successively and send to described ballast tank; And
Controller, it is based on the measured value measured by described flow counter, the aperture of described flow control valve is controlled, with the processing capacity making the flow of the described ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant, increase and decrease the delivery volume of the described ballast water supplied to described ballast tank thus.
2. ballast water treatment system as claimed in claim 1, is characterized in that,
When be supplied to described ballast water treatment plant described ballast water flow exceed predetermined threshold value time, described flow control valve is fully closed.
3. a ballast water treatment system, is characterized in that, has:
Supervisor, it connects sea water tank and the ballast tank of boats and ships;
Flow counter, it is arranged on described supervisor and above measures the flow of ballast water;
Ballast water treatment plant, it processes the described ballast water flowing through described supervisor;
Ballast pump, it is centrifugal pump, makes the described ballast water introduced from described sea water tank take into account described ballast water treatment plant by flow control valve, described flow successively and send to described ballast tank; And
Controller, it is based on the measured value measured by described flow counter, the rotating speed of described ballast pump is controlled, with the processing capacity making the flow of the described ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant, increase and decrease the delivery volume of the described ballast water supplied to described ballast tank thus.
4. ballast water treatment system as claimed in claim 3, is characterized in that,
Between described ballast pump and described flow counter, there is emergency shutoff valve, when be supplied to described ballast water treatment plant described ballast water flow exceed predetermined threshold value time, utilize described controller, described emergency shutoff valve closed completely.
5. the ballast water treatment system according to any one of Claims 1 to 4, is characterized in that,
There is the mutual interlocking gear after described ballast water treatment plant is in operative condition, described ballast pump being operated.
6. boats and ships, is characterized in that, have the ballast water treatment system described in claim 1 or 3.
7. the method for operation of a ballast water treatment system, this ballast water treatment system has: connect the sea water tank of boats and ships and the supervisor of ballast tank, be arranged on the flow control valve that described supervisor above and by change aperture makes the flow of the ballast water exported from ballast pump increase and decrease, be arranged on the flow counter that described supervisor above measures the flow of described ballast water, to the ballast water treatment plant that the described ballast water flowing through described supervisor processes, and make the described ballast water introduced from described sea water tank successively by described flow control valve, described flow takes into account described ballast water treatment plant and the described ballast pump as centrifugal pump sent to described ballast tank, the feature of described method of operation is,
Based on the measured value measured by described flow counter, the aperture of described flow control valve is controlled, with the processing capacity making the flow of the described ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant, increase and decrease the delivery volume of the described ballast water supplied to described ballast tank thus.
8. the method for operation of ballast water treatment system as claimed in claim 7, is characterized in that,
When be supplied to described ballast water treatment plant described ballast water flow exceed predetermined threshold value time, described flow control valve is closed completely.
9. the method for operation of a ballast water treatment system, this ballast water treatment system has: connect the supervisor of the sea water tank of boats and ships and ballast tank, be arranged on described supervisor upper and the flow counter, the ballast water treatment plant processed the described ballast water flowing through described supervisor that measure the flow of ballast water and make the described ballast water introduced from described sea water tank take into account described ballast water treatment plant by flow control valve, described flow successively and the ballast pump as centrifugal pump sent to described ballast tank, the feature of described method of operation is
Based on the measured value measured by described flow counter, the rotating speed of described ballast pump is controlled, with the processing capacity making the flow of the described ballast water being supplied to described ballast water treatment plant be no more than described ballast water treatment plant, increase and decrease the delivery volume of the described ballast water supplied to described ballast tank thus.
10. the method for operation of ballast water treatment system as claimed in claim 9, is characterized in that,
When be supplied to described ballast water treatment plant described ballast water flow exceed predetermined threshold value time, the emergency shutoff valve be arranged between described ballast pump and described flow counter is closed completely.
The method of operation of 11. ballast water treatment systems according to any one of claim 7 ~ 10, is characterized in that,
Be in the state in running at described ballast water treatment plant under, described ballast pump is operated.
12. ballast water treatment systems as claimed in claim 1, is characterized in that,
Described flow counter is arranged between described flow control valve and described ballast water treatment plant.
13. ballast water treatment systems as claimed in claim 3, is characterized in that,
Described flow counter is arranged between described flow control valve and described ballast water treatment plant.
The method of operation of 14. ballast water treatment systems as claimed in claim 7, is characterized in that,
Described flow counter is arranged between described flow control valve and described ballast water treatment plant.
The method of operation of 15. ballast water treatment systems as claimed in claim 9, is characterized in that,
Described flow counter is arranged between described flow control valve and described ballast water treatment plant.
The method of operation of 16. ballast water treatment systems as claimed in claim 7, is characterized in that,
When the flow measurements of described flow counter be greater than preset preservation maxim in a database time, described flow control valve is closed completely, stops to described ballast tank water filling.
The method of operation of 17. ballast water treatment systems as claimed in claim 7, is characterized in that,
Each described ballast tank connects automatic on/off valve,
In the controller, preset, be configured at and be saved as data bank to the corresponding each described ballast tank of opening and closing condition of the described flow control valve between described ballast tank and described automatic on/off valve from described ballast pump,
Be configured at from by the described ballast pump selected to by the described flow control valve between the described ballast tank selected and the opening and closing condition of described automatic on/off valve and the opening and closing condition of other automatic on/off valve, when conforming to the described opening and closing condition of having preserved in described data bank, enter the control of next commissioning steps.
The method of operation of 18. ballast water treatment systems as claimed in claim 9, is characterized in that,
In the controller, the corresponding each described ballast tank of rotating speed controlled condition of the described ballast pump preset is saved as data bank,
When being conformed to the described rotating speed controlled condition of having preserved in described data bank by the rotating speed controlled condition of described ballast pump selected, enter the control of next commissioning steps.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP097174/10 | 2010-04-20 | ||
| JP2010097174A JP6021293B2 (en) | 2010-04-20 | 2010-04-20 | Ballast water treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102233943A CN102233943A (en) | 2011-11-09 |
| CN102233943B true CN102233943B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110087834.7A Expired - Fee Related CN102233943B (en) | 2010-04-20 | 2011-04-08 | Ballast water treatment system |
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| Country | Link |
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| JP (1) | JP6021293B2 (en) |
| KR (2) | KR20110116979A (en) |
| CN (1) | CN102233943B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140020817A (en) * | 2012-04-13 | 2014-02-19 | 가부시키가이샤 쇼센 미츠이 | Ship and ballast water treatment system |
| CN102923292A (en) * | 2012-10-23 | 2013-02-13 | 上海船研环保技术有限公司 | Marine organism pollution control and ballast water treatment combined system for ship |
| KR101550019B1 (en) * | 2013-01-10 | 2015-09-07 | 삼성중공업 주식회사 | Ship ballast water treatment device including integrated equipment and flow controlling method |
| KR101489805B1 (en) * | 2013-07-05 | 2015-02-04 | 한국해양과학기술원 | Apparatus and method for submarine positioning measurements |
| KR101603288B1 (en) * | 2013-09-23 | 2016-03-15 | (주)테크로스 | Ballast water management system equiped grinder |
| KR101541333B1 (en) | 2014-05-12 | 2015-08-03 | 한국해양과학기술원 | Apparatus for testing a ballast water treatment device |
| KR101541335B1 (en) | 2014-05-12 | 2015-08-03 | 한국해양과학기술원 | Apparatus for testing a ballast water treatment device |
| CN104386218A (en) * | 2014-11-13 | 2015-03-04 | 青岛厚科信息工程有限公司 | Marine organism attachment prevention system |
| SG11201704322SA (en) * | 2014-11-28 | 2017-06-29 | Bawat As | Ballast water circulation system, control unit, and related method |
| KR101741787B1 (en) * | 2015-08-26 | 2017-05-30 | (주) 테크로스 | Electromagnetic flow meter |
| KR101653666B1 (en) * | 2015-12-10 | 2016-09-02 | (주) 테크로스 | Ballast water treatment system |
| JP2018020671A (en) * | 2016-08-03 | 2018-02-08 | 三浦工業株式会社 | Ballast device and ballast water circulation control method |
| CN107914821A (en) * | 2016-10-08 | 2018-04-17 | 曹兰兰 | Never heavy ship |
| JP2019136639A (en) * | 2018-02-08 | 2019-08-22 | 三浦工業株式会社 | Water treatment system |
| JP7087429B2 (en) * | 2018-02-13 | 2022-06-21 | 三浦工業株式会社 | Water treatment equipment |
| JP7087546B2 (en) * | 2018-03-28 | 2022-06-21 | 三浦工業株式会社 | Water treatment equipment |
| KR101997435B1 (en) * | 2019-02-27 | 2019-07-08 | 한라아이엠에스 주식회사 | A system for controlling the movement of ballast water between tanks |
| CN111620399A (en) * | 2020-06-03 | 2020-09-04 | 浙江天地环保科技股份有限公司 | Automatic wastewater supply adjusting device and method based on spray evaporation wastewater treatment technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807486A (en) * | 1994-11-01 | 1998-09-15 | Joseph B. Busch, Sr. et al. | Process for the treatment of hazardous waste water |
| KR100883444B1 (en) * | 2008-07-24 | 2009-02-17 | (주) 테크윈 | Apparatus and method for ballast water management |
| CN101484389A (en) * | 2006-09-25 | 2009-07-15 | Rwo有限公司 | Ballast water treatment plant having filter, disinfection, instrumentation and control unit |
| CN101522576A (en) * | 2006-09-29 | 2009-09-02 | 三井造船株式会社 | Appartus for treating ship ballast water |
| CN101668706A (en) * | 2006-09-26 | 2010-03-10 | 阿尔法沃尔股份公司 | System of water treatment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938231B (en) * | 2005-01-24 | 2015-09-30 | 纽泰科O3公司 | Ozone injection method and system |
| CN2808886Y (en) * | 2005-07-31 | 2006-08-23 | 大连海事大学 | Ship ballast water treatment plant |
| JP4822875B2 (en) * | 2006-02-28 | 2011-11-24 | 三菱重工環境・化学エンジニアリング株式会社 | Seawater detoxification device and ship equipped with this device |
| JP2010504855A (en) * | 2006-09-26 | 2010-02-18 | アルファウォール アーベー | Water treatment system |
| WO2008093811A1 (en) * | 2007-02-02 | 2008-08-07 | Mitsui Engineering & Shipbuilding Co., Ltd. | Ballast-treated water supply ship, and supply method for ballast-treated water |
| KR100900561B1 (en) * | 2007-10-16 | 2009-06-02 | 주식회사 파나시아 | A control apparatus and control method of ultraviolet-rays disinfector |
| JP5238968B2 (en) * | 2007-11-08 | 2013-07-17 | 三菱重工業株式会社 | Ship |
-
2010
- 2010-04-20 JP JP2010097174A patent/JP6021293B2/en not_active Expired - Fee Related
-
2011
- 2011-04-01 KR KR1020110030222A patent/KR20110116979A/en active Application Filing
- 2011-04-08 CN CN201110087834.7A patent/CN102233943B/en not_active Expired - Fee Related
-
2014
- 2014-02-06 KR KR1020140013662A patent/KR20140021700A/en active Search and Examination
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807486A (en) * | 1994-11-01 | 1998-09-15 | Joseph B. Busch, Sr. et al. | Process for the treatment of hazardous waste water |
| CN101484389A (en) * | 2006-09-25 | 2009-07-15 | Rwo有限公司 | Ballast water treatment plant having filter, disinfection, instrumentation and control unit |
| CN101668706A (en) * | 2006-09-26 | 2010-03-10 | 阿尔法沃尔股份公司 | System of water treatment |
| CN101522576A (en) * | 2006-09-29 | 2009-09-02 | 三井造船株式会社 | Appartus for treating ship ballast water |
| KR100883444B1 (en) * | 2008-07-24 | 2009-02-17 | (주) 테크윈 | Apparatus and method for ballast water management |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102233943A (en) | 2011-11-09 |
| KR20110116979A (en) | 2011-10-26 |
| KR20140021700A (en) | 2014-02-20 |
| JP6021293B2 (en) | 2016-11-09 |
| JP2011224476A (en) | 2011-11-10 |
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