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JP2021053549A |
To provide a ballast water treatment device that electrolyzes ballast water to kill microorganisms, and safely treats generated hydrogen gas.There is provided a ballast water treatment device, including: an electrolytic cell that has a b...
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JP2021030176A |
To solve problems such as environmental problems arising from sea water being the ballast water loaded in a ballast tank of a hull, and complication of a filtration apparatus for removing removal objects like plant microorganisms and ani...
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JP6832545B2 |
To provide a bell-mouth for a ship capable of suppressing an increased discharge time by reducing pressure loss and improving suction capacity while reducing the amount of liquid remaining in a tank by reducing a gap between the bell-mou...
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JP6814347B2 |
To provide a litter process device for a small sized river channel and river bed with a simple structure, convenient operation and maintenance, capable of recovering litter in the channel inside at high speed, capable of sorting the rive...
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JP6780306B2 |
The present invention provides a ballast water treatment apparatus and a method of cooling the ultraviolet treatment apparatus, in which the ballast water that has not been sterilized is not left in the piping even when the ultraviolet l...
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JP6769588B2 |
To provide a vessel capable of installing an emergency fire pump in a low position while maintaining a slender shape in a hull in a stern portion.An installation zone 7 for installing an emergency fire pump 6 in a vessel 1 installing the...
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JP6765532B2 |
An electrolytic treatment apparatus is provided. The electrolytic treatment apparatus includes: an electrolytic tank having a cathode and an anode: an injecting portion that injects a liquid into the electrolytic tank; at least one diaph...
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JP6759731B2 |
A ballast water treatment device capable of suppressing damage to a filter is provided. The ballast water treatment device is provided with: a filtering device including a filter for filtering ballast water; a plurality of lines for a fl...
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JP6756298B2 |
To provide a ballast water treatment apparatus and method for suppressing or preventing the occurrence of operational defects in ballast water treatment using an aqueous solution prepared by dissolving a chlorine type chemical in water a...
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JP2020114578A |
To provide a water treatment device capable of preventing scale adhesion to metal filters.A water treatment device includes a metal filter 2 inside a casing 1, a DC power supply unit 7, an insoluble electrode 6 and control means 8. The D...
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JP2020114577A |
To provide a liquid treatment device capable of suppressing the reduction of washability.A liquid treatment device is provided with a filter 2 within a casing 1 and a discharge means 4. The discharge means 4 is provided with nozzles 41, ...
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JP6730263B2 |
A ballast water treatment device 1 includes a ballast tank 60, a main pipe 2, a circulation pipe 80, and a sterilizing component-introducing unit 40. The circulation pipe 80 returns ballast water stored in the ballast tank 60 to the main...
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JP6726414B2 |
To provide a ballast water treatment apparatus that can eliminate the possibility that the sterilizing agent supply device, and the like, may be adversely affected by the reduction reaction heat that is generated in the detoxication of t...
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JP6720883B2 |
To restrain or prevent the occurrence of inconvenience on ballast water treatment caused by a chlorine disinfectant of remaining without being used for the ballast water treatment of a ship.A ship VSL comprises a ballast pump PM having a...
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JP6720912B2 |
To provide a ship including a ballast water treatment device draining ballast water without any environmental hygiene problem.A ballast pump 5 can be switched between a ballast water flooding operation mode for flowing ballast water outs...
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JP2020100216A |
To provide a ballast tank capable of obtaining lighter weight hull structure while maintaining drainage function.A ballast tank 17 has drainage openings 60 provided on both side edges 50a, 50b of a side stringer 50 existing within a rang...
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JP2020081999A |
To provide a liquid treatment apparatus which can suppress corrosion of a filter and adhesion of scales.A liquid treatment apparatus 100 is provided with a filter 2 inside a casing 1. The liquid treatment apparatus 100 includes compresse...
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JPWO2017179742A1 |
A ballast water system (2) that can improve safety. According to a typical embodiment, the ballast water system (2) sucks ballast water from the sea chest (6) by a pump (7). Subsequently, the water treatment device (3) treats the sucked ...
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JP6699346B2 |
To provide a ballast water treatment apparatus which can effectively eliminate clogging of a filter.A ballast water treatment apparatus includes: a filter 52 for filtering ballast water W1; a drainage line L32 of which one end is communi...
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JP6693775B2 |
To provide a filtration device capable of continuing filtration treatment while suppressing the clogging of a filter, a filtration method using the filtration device and a water treatment system.A filtration device 101 includes: a cylind...
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JP6686424B2 |
Provided is a ballast water control device having a chemical liquid feed device 2 connected partway along a ballast water feed line 1, a mixing part 4 provided at a location at which a chemical liquid feed line 3 is connected, and a TRO ...
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JP6686818B2 |
To provide a sterilizer supply device capable of retaining any rise of content in a tank storing sterilizer solution to be injected into a ballast water pipe at a preset standard.A sterilizer supply device comprises a hopper 11 for stori...
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JP6673691B2 |
To provide a tank structure of a floating body, a ship, a floating body facility, a tank installation method on a floating body, and a tank maintenance method on a floating body in which a fluid in a tank does not directly contact a ship...
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JP6666867B2 |
This drain nozzle fixation device is used for fixing a drain nozzle for mixing desulfurization wastewater discharged from a desulfurization device disposed in a hull with seawater by agitation and is provided with: a hull outer wall havi...
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JP6653337B2 |
An online antifouling ship ballast water treatment system comprises a ballast water main pipeline (11), a ballast water branch pipeline (18), a chemicals feeding pipeline (13), a filter (2) located on the ballast water main pipeline (11)...
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JP6652958B2 |
A ballast water production method includes a filtering step of passing raw water supplied into a housing (20) through a filter (21) from a primary side that is upstream of the filter (21) to a secondary side that is downstream of the fil...
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JP6652971B2 |
A ballast water treatment device 1 is provided with a dissolution means 30 for dissolving a fungicide 3 in ship water that is stored inside a ship and an infusion means 40 for infusing a fungicide solution S obtained by the dissolution m...
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JP6651516B2 |
The invention relates to an electrode suitable for electrolytic treatments of dilute solutions of sodium chloride even at low temperatures. The electrode can be used in the generation of active chlorine-based biocidal agents in ballast w...
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JP6645152B2 |
To provide a filter washing head capable of suppressing difference of easiness of flow of back wash water between a part of a long hole near a center part in the longer direction on an abutting surface and a part of the long hole near an...
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JP6645144B2 |
To provide a ballast water treatment device capable of preventing reverse cleaning wastewater generated when performing reverse cleaning of a filter from being accumulated in a reverse cleaning wastewater line and thereby keeping microor...
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JP6631850B2 |
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JP6599293B2 |
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JP6593814B2 |
A dehydrogenation tank (6). An atomization spray head (7) is disposed at the center of the upper part of the dehydrogenation tank (6), and a flow stirring module (8) used for stirring a flowing solution is respectively disposed at each o...
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JP6582934B2 |
To provide a ballast water treatment apparatus capable of irradiating ballast water with sufficient ultraviolet rays for sterilization when switching a ballast water destination from a ballast tank to another ballast tank.A ballast water...
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JP2019150804A |
To suppress discharge of water more than necessary, while guaranteeing washability, even when having a high pressure at a secondary side of a filter, in reverse washing.There is provided water treatment equipment 10 including a filter 2 ...
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JP6572224B2 |
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JP2019142435A |
To provide a ballast water treatment apparatus capable of preventing foreign objects from passing through a filter by preventing corrosion of the filter.A ballast water treatment apparatus 10 in which a filter 2 for filtering ballast wat...
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JP2019136639A |
To provide a water treatment system in which cavitation is suppressed and loss of flow control and damage to system are prevented.According to the present invention, provided is a water treatment system 10 for purification-processing wat...
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JP6561068B2 |
A subsea storage unit (15; 15'; 15") comprises a pressure hull (1) having a cargo hold (5) configured for storing cargo (3, 7). The pressure hull has a movable hatch (4), providing access to the cargo hold; and a base (2; 8) configured f...
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JP2019126773A |
To provide a method of ordering or delivering neutralizer for water treatment equipment of ship ballast capable of supplying a neutralizer so that the neutralizer of the ballast water treatment device of the target ship is not left over ...
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JP2019122952A |
To provide a liquid treatment apparatus capable of suppressing generation of vibration.A water treatment apparatus 1 includes a filter 20 formed cylindrically, a drain pipe part 42 arranged inside the filter 20, a nozzle part 41 in which...
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JP2019116183A |
To provide a water quality management system of a ship capable of accessing to a water quality management compartment provided inside or under a top side tank regardless of the water level of the top side tank, without changing capacity ...
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JP6529706B1 |
The ballast water treatment method includes a step of supplying the bactericidal component to the ballast pipe while taking the ballast water into the ballast tank through the ballast pipe, and a first measurement step of measuring the c...
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JP6521519B2 |
The present invention provides an electrolysis product mixing apparatus capable of easily changing a flow rate of raw water, an electrolysis product mixing method, a ballast water processing apparatus, a ship, and a sucking and mixing ap...
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JP6512694B2 |
An amphibious vehicle according to the present invention includes a vehicle body, a traveling portion which causes the vehicle body to travel on land, a propulsion portion which causes the vehicle body to travel on water, a power portion...
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JP2019064409A |
To provide a monitoring/ordering system of the ballast water treatment chemicals of a ship capable of timely receiving the germicide delivery of the required amount at an appropriate port of call.The monitoring/ordering system of ballast...
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JP6504888B2 |
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JP6505238B2 |
Provided is a ship in which fuel efficiency is improved while a reduction in the propulsion efficiency of a propeller is suppressed. Also provided is a ship cleaning method. The ship (100) equipped with ballast tanks (10) for storing bal...
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JP2019058858A |
To provide accurately injecting ballast water treatment chemicals into ship's ballast water and reducing the size and cost of dosing equipment.A flowmeter 2 for measuring the flow rate of ballast water flowing in the ballast piping 1, a ...
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JP6469934B2 |
A vessel has a compartment (34) for containing water, which compartment (34) has at least one opening (31) in a wall (30) thereof for allowing water to pass therethrough. The compartment (34) comprises an assembly (1) of a grating (10) a...
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